From preprensa@tecnografica.cl Tue Apr 1 00:25:48 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=HTML_MESSAGE autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id C14BF7F54 for ; Tue, 1 Apr 2014 00:25:48 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id 7AC1AAC004 for ; Mon, 31 Mar 2014 22:25:45 -0700 (PDT) X-ASG-Debug-ID: 1396329937-04bdf076f08e0040001-NocioJ Received: from srv57.publiweb.cl (srv57.publiweb.cl [190.215.113.57]) by cuda.sgi.com with ESMTP id ISJ8WmAYb3vxA2VV (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Mon, 31 Mar 2014 22:25:39 -0700 (PDT) X-Barracuda-Envelope-From: preprensa@tecnografica.cl X-Barracuda-Apparent-Source-IP: 190.215.113.57 Received: from [117.194.89.129] (port=4430 helo=zbspszts) by srv57.publiweb.cl with esmtpa (Exim 4.82) (envelope-from ) id 1WUrCW-0001co-3D for xfs@oss.sgi.com; Tue, 01 Apr 2014 02:25:33 -0300 Message-ID: <1D523330AC034E059C2EBA4C766C8ABB@zrqdf> From: "Leon Borneman" To: "xfs" Subject: =?windows-1251?B?eGZzQG9zcy5zZ2kuY29tLCDP8OXv4PDg8iDk?= =?windows-1251?B?6/8g7+7i+/jl7ej/IO/u8uXt9ujoLCB6cnlX?= =?windows-1251?B?d0o=?= Date: Tue, 1 Apr 2014 07:25:30 +0200 X-ASG-Orig-Subj: =?windows-1251?B?eGZzQG9zcy5zZ2kuY29tLCDP8OXv4PDg8iDk?= =?windows-1251?B?6/8g7+7i+/jl7ej/IO/u8uXt9ujoLCB6cnlX?= =?windows-1251?B?d0o=?= MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_080A_01CF4D7B.8FF55590" X-Priority: 3 X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - srv57.publiweb.cl X-AntiAbuse: Original Domain - oss.sgi.com X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - tecnografica.cl X-Get-Message-Sender-Via: srv57.publiweb.cl: authenticated_id: preprensa@tecnografica.cl X-Barracuda-Connect: srv57.publiweb.cl[190.215.113.57] X-Barracuda-Start-Time: 1396329938 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.20 X-Barracuda-Spam-Status: No, SCORE=0.20 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_TG035a, HTML_MESSAGE, PR0N_SUBJECT X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4477 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 HTML_MESSAGE BODY: HTML included in message 0.20 PR0N_SUBJECT Subject has letters around special characters (pr0n) 0.00 BSF_SC0_TG035a Message contains invalid style definition This is a multi-part message in MIME format. ------=_NextPart_000_080A_01CF4D7B.8FF55590 Content-Type: text/plain; charset="windows-1251" Content-Transfer-Encoding: quoted-printable =CF=F0=EE=E4=EE=EB=E6=E8=F2=E5=EB=FC=ED=FB=E9 =FD=F4=F4=E5=EA=F2 =DD=F4=F4=E5=EA=F2 =EE=F2 Menergizer =EE=F9=F3=F9=E0=E5=F2=F1=FF, =EA=E0=EA= =EF=F0=E0=E2=E8=EB=EE, =EE=F2 2-3 =E4=ED=E5=E9 =E4=EE 5 =F1=F3=F2=EE=EA!= =DD=F2=EE =E7=ED=E0=F7=E8=F2=E5=EB=FC=ED=EE =EF=F0=E5=E2=EE=F1=F5=EE=E4=E8= =F2 =EC=ED=EE=E3=E8=E5 =E0=ED=E0=EB=EE=E3=E8=F7=ED=FB=E5 =EF=F0=E5=EF=E0=F0= =E0=F2=FB. =CC=FB =EE=F2=EF=F0=E0=E2=E8=EB=E8 =E1=EE=EB=E5=E5 8 000 =F3=EF= =E0=EA=EE=E2=EE=EA =E8 =E8=EC=E5=E5=EC =E1=EE=EB=E5=E5 6 500 =EE=F2=E7=FB= =E2=EE=E2. =CC=FB =EC=EE=E6=E5=EC =E3=E0=F0=E0=ED=F2=E8=F0=EE=E2=E0=F2=FC =F0=E5=E7=F3= =EB=FC=F2=E0=F2 =E8=EB=E8 =E2=E5=F0=ED=E5=EC =C2=E0=EC =E4=E5=ED=FC=E3=E8= ! 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------=_NextPart_000_080A_01CF4D7B.8FF55590-- From promotion1000promo@gmail.com Tue Apr 1 03:22:24 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=FREEMAIL_FROM autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id C487A7F50 for ; Tue, 1 Apr 2014 03:22:24 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id B026130405F for ; Tue, 1 Apr 2014 01:22:21 -0700 (PDT) X-ASG-Debug-ID: 1396340537-04cbb054b89aaf90001-NocioJ Received: from [139.170.10.103] ([139.170.10.103]) by cuda.sgi.com with SMTP id 2BACsmPRHPsPuP4L for ; Tue, 01 Apr 2014 01:22:18 -0700 (PDT) X-Barracuda-Envelope-From: promotion1000promo@gmail.com X-Barracuda-Apparent-Source-IP: 139.170.10.103 Reply-To: promotion1000promo@gmail.com From: promotion1000promo@gmail.com To: xfs@oss.sgi.com Subject: Chalets et studios dans les Laurentided Sender: promotion1000promo@gmail.com X-ASG-Orig-Subj: Chalets et studios dans les Laurentided Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Date: Tue, 1 Apr 2014 16:18:04 +0800 X-Barracuda-Connect: UNKNOWN[139.170.10.103] X-Barracuda-Start-Time: 1396340537 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.74 X-Barracuda-Spam-Status: No, SCORE=0.74 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC5_MJ1963, MISSING_MID, NO_REAL_NAME, RDNS_NONE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4480 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.14 MISSING_MID Missing Message-Id: header 0.00 NO_REAL_NAME From: does not include a real name 0.10 RDNS_NONE Delivered to trusted network by a host with no rDNS 0.50 BSF_SC5_MJ1963 Custom Rule MJ1963 Message-Id: <20140401082221.9ABBB106C6A5@cuda.sgi.com> Chalets et Studios Le Vent Du Nord Offre pour un temps limité: Le printemps est enfin arrivé dans les Laurentides. 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Jean et Géraldine Tel.: 819.688-6140 Site web: leventdunord From bfoster@redhat.com Tue Apr 1 06:54:15 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id A30C97F4E for ; Tue, 1 Apr 2014 06:54:15 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 8E7B2304051 for ; Tue, 1 Apr 2014 04:54:12 -0700 (PDT) X-ASG-Debug-ID: 1396353251-04cb6c5678b9fee0001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id KsciK53ZErrA9imn for ; Tue, 01 Apr 2014 04:54:11 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx02.intmail.prod.int.phx2.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s31Bs9tl009893 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Tue, 1 Apr 2014 07:54:09 -0400 Received: from bfoster.bfoster ([10.18.41.237]) by int-mx02.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id s31Bs9qn030503; Tue, 1 Apr 2014 07:54:09 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id A147B123C1C; Tue, 1 Apr 2014 07:54:08 -0400 (EDT) Date: Tue, 1 Apr 2014 07:54:08 -0400 From: Brian Foster To: Dave Chinner Cc: Al@disappointment.disaster, Viro@disappointment.disaster, viro@ZenIV.linux.org.uk, xfs@oss.sgi.com Subject: Re: [RFC, PATCH 0/6] xfs: delalloc, DIO and corruption.... Message-ID: <20140401115408.GA21540@bfoster.bfoster> X-ASG-Orig-Subj: Re: [RFC, PATCH 0/6] xfs: delalloc, DIO and corruption.... References: <1395396710-3824-1-git-send-email-david@fromorbit.com> <20140331172243.GB63718@bfoster.bfoster> <20140331201757.GC17603@dastard> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140331201757.GC17603@dastard> User-Agent: Mutt/1.5.21 (2010-09-15) X-Scanned-By: MIMEDefang 2.67 on 10.5.11.12 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1396353251 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Tue, Apr 01, 2014 at 07:17:57AM +1100, Dave Chinner wrote: > On Mon, Mar 31, 2014 at 01:22:43PM -0400, Brian Foster wrote: > > On Fri, Mar 21, 2014 at 09:11:44PM +1100, Dave Chinner wrote: > > > Hi folks, > > > > > > This patch series mostly shuts a can of worms that Al opened when he > > > found the cause of the generic/263 fsx failures. The fix for that is > > > patch 6 of this series, but, well, there are a bunch of other > > > problems that need to be fixed before making that change. > > > > > > Basically, the direct Io block mapping behaviour was covering up a > > > bunch of other bugs in the delayed allocation extent/page cache > > > state coherency mappings. Essentially, we punch out the page cache > > > in quite a few places without first cleaning up delayed allocation > > > extents over that range and that exposes all sorts of nasty issues > > > once the direct IO mapping changes are made. All of these are > > > existing problems, most of them are very unlikely to be seen in the > > > wild. > > > > > > This patch set passes xfstests on a 4k block size/4k page size > > > config with out problems. However, there is still a fsx failure in > > > generic/127 on 1k block size/4k page size configurations that I > > > haven't yet tracked down. That test was failing occasionally before > > > this patch set as well, so it may be a completely unrelated problem. > > > > > > The sad fact of this patchset is it is mostly playing whack-a-mole > > > with visible symptoms of bugs. It drives home the fact that > > > bufferheads and the keeping of internal filesystem state attached to > > > the page cache simply isn't a verifiable architecture. After > > > spending several days of doing nothing else but tracking down these > > > inconsistencies i can only conclude that the code is complex, > > > fragile and extremely difficult to verify that behaviour is correct. > > > As such, I doubt that the fixes are entirely correct, so I'm left > > > with using fsx and fsstress to tell me if I've broken anything. > > > > > > Eyeballs appreciated, as is test results. > > > > > > > I had an xfstests running against this (on for-next) over the weekend > > and it hit the following bug on xfs/297: > > > > [ 6408.168767] kernel BUG at fs/xfs/xfs_aops.c:1336! > > [ 6408.169542] invalid opcode: 0000 [#1] SMP > > Ok, so that's found another stale delalloc range where there > shouldn't be. I know there were still problems when I left because > generic/127 was failing on 1k block size filesystems, but I haven't > yet had a chance to get back to determine if the bug was the broken > code in xfs_check_page_types() that Dan Carpenter noticed. Were you > running with that fix? > Ah, good point. I was running with the check_page_type() rework, but not the most recent fix. I'll plan to test again with that included. Brian > Cheers, > > Dave. > -- > Dave Chinner > david@fromorbit.com > > _______________________________________________ > xfs mailing list > xfs@oss.sgi.com > http://oss.sgi.com/mailman/listinfo/xfs From bfoster@redhat.com Tue Apr 1 08:48:19 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 7DD2B7F56 for ; Tue, 1 Apr 2014 08:48:19 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 614AF30405F for ; Tue, 1 Apr 2014 06:48:19 -0700 (PDT) X-ASG-Debug-ID: 1396360095-04cb6c5675ba70c0001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id iEvLtgWBshbsZ8E6 for ; Tue, 01 Apr 2014 06:48:15 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx12.intmail.prod.int.phx2.redhat.com (int-mx12.intmail.prod.int.phx2.redhat.com [10.5.11.25]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s31DmDXl016554 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Tue, 1 Apr 2014 09:48:13 -0400 Received: from bfoster.bfoster ([10.18.41.237]) by int-mx12.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s31DmD4S003612; Tue, 1 Apr 2014 09:48:13 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id 51470123C1C; Tue, 1 Apr 2014 09:48:12 -0400 (EDT) Date: Tue, 1 Apr 2014 09:48:12 -0400 From: Brian Foster To: Dave Chinner Cc: xfs@oss.sgi.com Subject: Re: [PATCH 2/5] xfs: add flush flag to xfs_eofblocks Message-ID: <20140401134810.GB21540@bfoster.bfoster> X-ASG-Orig-Subj: Re: [PATCH 2/5] xfs: add flush flag to xfs_eofblocks References: <1396012563-60973-1-git-send-email-bfoster@redhat.com> <1396012563-60973-3-git-send-email-bfoster@redhat.com> <20140331214754.GE17603@dastard> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140331214754.GE17603@dastard> User-Agent: Mutt/1.5.21 (2010-09-15) X-Scanned-By: MIMEDefang 2.68 on 10.5.11.25 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1396360095 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Tue, Apr 01, 2014 at 08:47:54AM +1100, Dave Chinner wrote: > On Fri, Mar 28, 2014 at 09:16:00AM -0400, Brian Foster wrote: > > The flush flag allows the caller to issue a flush for scanned inodes. In > > ENOSPC conditions caused by project quotas, a flush is required to free > > up reserved metadata allocations. > > > > Signed-off-by: Brian Foster > > --- > > fs/xfs/xfs_fs.h | 4 +++- > > fs/xfs/xfs_icache.c | 3 +++ > > 2 files changed, 6 insertions(+), 1 deletion(-) > > > > diff --git a/fs/xfs/xfs_fs.h b/fs/xfs/xfs_fs.h > > index c5fc116..fa3a58e 100644 > > --- a/fs/xfs/xfs_fs.h > > +++ b/fs/xfs/xfs_fs.h > > @@ -374,12 +374,14 @@ struct xfs_fs_eofblocks { > > #define XFS_EOF_FLAGS_GID (1 << 2) /* filter by gid */ > > #define XFS_EOF_FLAGS_PRID (1 << 3) /* filter by project id */ > > #define XFS_EOF_FLAGS_MINFILESIZE (1 << 4) /* filter by min file size */ > > +#define XFS_EOF_FLAGS_FLUSH (1 << 5) /* issue a flush */ > > #define XFS_EOF_FLAGS_VALID \ > > (XFS_EOF_FLAGS_SYNC | \ > > XFS_EOF_FLAGS_UID | \ > > XFS_EOF_FLAGS_GID | \ > > XFS_EOF_FLAGS_PRID | \ > > - XFS_EOF_FLAGS_MINFILESIZE) > > + XFS_EOF_FLAGS_MINFILESIZE | \ > > + XFS_EOF_FLAGS_FLUSH) > > > > > > /* > > diff --git a/fs/xfs/xfs_icache.c b/fs/xfs/xfs_icache.c > > index 7ff59c9..d4e15db 100644 > > --- a/fs/xfs/xfs_icache.c > > +++ b/fs/xfs/xfs_icache.c > > @@ -1231,6 +1231,9 @@ xfs_inode_free_eofblocks( > > if (eofb->eof_flags & XFS_EOF_FLAGS_MINFILESIZE && > > XFS_ISIZE(ip) < eofb->eof_min_file_size) > > return 0; > > + > > + if (eofb->eof_flags & XFS_EOF_FLAGS_FLUSH) > > + filemap_flush(VFS_I(ip)->i_mapping); > > So this does WB_SYNC_NONE writeback, which means the filesystem is > free to ignore it when we get to .writepage. Given that we are are > ENOSPC here, wouldn't it be better to guarantee that writeback will > occur (i.e. use filemap_fdatawrite())? > Yeah, I didn't catch that. That makes sense, thanks. Brian > Cheers, > > Dave. > -- > Dave Chinner > david@fromorbit.com From bfoster@redhat.com Tue Apr 1 08:55:23 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 571967F59 for ; Tue, 1 Apr 2014 08:55:23 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id 27547304043 for ; Tue, 1 Apr 2014 06:55:22 -0700 (PDT) X-ASG-Debug-ID: 1396360521-04bdf076f08f8d00001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id wQH91d0smKo7BoDr for ; Tue, 01 Apr 2014 06:55:21 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx01.intmail.prod.int.phx2.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s31DtKmp020954 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Tue, 1 Apr 2014 09:55:20 -0400 Received: from bfoster.bfoster ([10.18.41.237]) by int-mx01.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id s31DtJBD003040; Tue, 1 Apr 2014 09:55:19 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id B5E33123C1C; Tue, 1 Apr 2014 09:55:18 -0400 (EDT) Date: Tue, 1 Apr 2014 09:55:18 -0400 From: Brian Foster To: Dave Chinner Cc: xfs@oss.sgi.com Subject: Re: [PATCH 4/5] xfs: run an eofblocks scan on ENOSPC/EDQUOT Message-ID: <20140401135518.GC21540@bfoster.bfoster> X-ASG-Orig-Subj: Re: [PATCH 4/5] xfs: run an eofblocks scan on ENOSPC/EDQUOT References: <1396012563-60973-1-git-send-email-bfoster@redhat.com> <1396012563-60973-5-git-send-email-bfoster@redhat.com> <20140331222246.GF17603@dastard> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140331222246.GF17603@dastard> User-Agent: Mutt/1.5.21 (2010-09-15) X-Scanned-By: MIMEDefang 2.67 on 10.5.11.11 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1396360521 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Tue, Apr 01, 2014 at 09:22:47AM +1100, Dave Chinner wrote: > On Fri, Mar 28, 2014 at 09:16:02AM -0400, Brian Foster wrote: ... > > /* > > - * If we just got an ENOSPC, try to write back all dirty inodes to > > - * convert delalloc space to free up some of the excess reserved > > - * metadata space. > > + * If we hit ENOSPC or a quota limit, use the selective nature of the > > + * eofblocks scan to try and free up some lingering speculative > > + * preallocation delalloc blocks. > > + * > > + * If we hit a quota limit, only scan for files covered by the quota. We > > + * also consider ENOSPC here because project quota failure can return > > + * ENOSPC instead of EDQUOT. The quota scanning only sets 'scanned' if > > + * the inode is covered by a quota with low free space. This should > > + * minimize interference with global ENOSPC handling. > > + * > > + * If a scan does not free enough space, resort to the inode flush big > > + * hammer to convert delalloc space to free up some of the excess > > + * reserved metadata space. > > */ > > + if ((ret == -EDQUOT || ret == -ENOSPC) && !scanned) { > > + scanned = xfs_inode_free_quota_eofblocks(ip); > > + if (scanned) > > + goto write_retry; > > + } > > + if (ret == -ENOSPC && !scanned) { > > + struct xfs_eofblocks eofb = {0,}; > > IIRC, you can just use "{ 0 }" for initialisation, no "," needed. > > > + > > + eofb.eof_scan_owner = ip->i_ino; /* for locking */ > > + eofb.eof_flags = XFS_EOF_FLAGS_SYNC | XFS_EOF_FLAGS_FLUSH; > > + xfs_icache_free_eofblocks(ip->i_mount, &eofb); > > + scanned = 1; > > + goto write_retry; > > + } > > if (ret == -ENOSPC && !enospc) { > > enospc = 1; > > xfs_flush_inodes(ip->i_mount); > > This seems overly complex and fragile. I'd much prefer that we don't > bury data writeback deep in the EOF block freeing code - we've done > a lot of work in the past to remove exactly that sort of behaviour > from XFS inode scanners. > I think the fragility comes from the fact that we can't detect a particular quota failure or a project quota failure from a global failure. IIRC from looking at this way back when, there wasn't a clear solution to that problem. It didn't seem worth getting too far into for the purpose of this little bit of functionality. In that sense, the fragility will be there regardless. It would be nice to simplify this, however. It took a little bit of staring at this to try and make it effective and somewhat succinct. > I'd prefer to see something like this: > > if (ret == -EDQUOT && !enospc) { > enospc = 1; > xfs_inode_free_quota_eofblocks(ip); > goto retry; > else if (ret == -ENOSPC && !enospc) { > enospc = 1; > xfs_flush_inodes(ip->i_mount); > .... > xfs_icache_free_eofblocks(ip->i_mount, &eofb); > goto retry; > } > What I don't like about this, in particular, is xfs_flush_inodes() could be unnecessary. We have a max preallocation size of 8GB, so the eofblocks scan alone can free up gigabytes of space. Now that I think of it, this is kind of a flaw in the proposed logic as well. > This way has specific behaviours for EDQUOT vs ENOSPC, and we treat > them appropriately with a minimum of differences. And ENOSPC is > global, because we can't tell the difference here between a project > quota ENOSPC and a global ENOSPC at this point. > The main difference I see is that the original logic is centered around figuring out how to do an eofblocks scan vs. xfs_flush_inodes() only when necessary. In other words, we always attempt to do an eofblocks scan first then fall back to the inode flush. Where it gets a bit ugly is where we try to determine what kind of scan to run due to lack of information. The flush aspect of things is a little confused as well I suppose. Alternatively, the logic above is designed around categorization of the possible error conditions. I agree that it is more simple, but not quite as effective as noted above. We would continue to run a global inode flush when eofblocks can clean up effectively for the time being or due to a project quota failure that should ideally not impact the wider fs. I wonder if something like the following would simplify this enough, yet still provide nicer behavior: /* * If this is an allocation failure, attempt an eofblocks scan * before we resort to an inode flush... */ if ((ret == -EDQUOT || ret == -ENOSPC) && !scanned) { scanned = xfs_inode_enospc_eofblocks(ip); if (scanned) goto retry; scanned = 1; /* try this once */ } if (ret == -ENOSPC && !enospc) { enospc = 1; xfs_flush_inodes(); goto retry; } This consolidates the eofblocks scan logic to a separate helper to simplify things. The helper can run the quota scan and/or the global scan based on the data regarding the situation (i.e., the inode and associated quota characteristics). This allows us to preserve the notion of attempting a lightweight recovery first and a heavyweight recovery second, reserving the inode flush for when space is truly tight. Thoughts? > > diff --git a/fs/xfs/xfs_icache.c b/fs/xfs/xfs_icache.c > > index bd0ab7d..471ccfa 100644 > > --- a/fs/xfs/xfs_icache.c > > +++ b/fs/xfs/xfs_icache.c > > @@ -33,6 +33,9 @@ ... > > + > > + if (XFS_IS_PQUOTA_ENFORCED(ip->i_mount)) { > > + dq = xfs_inode_dquot(ip, XFS_DQ_PROJ); > > + if (dq && xfs_dquot_lowsp(dq)) { > > + eofb.eof_prid = xfs_get_projid(ip); > > + eofb.eof_flags = XFS_EOF_FLAGS_SYNC| > > + XFS_EOF_FLAGS_PRID| > > + XFS_EOF_FLAGS_FLUSH; > > + xfs_icache_free_eofblocks(ip->i_mount, &eofb); > > + scanned = 1; > > + } > > + } > > I really don't like the fact that project quota is hiding a data > flush in the "free_quota_eofblocks" logic. It just strikes me a the > wrong thing to do because if it's a real ENOSPC we're just going to > have to do this anyway... > I was under the impression that a flush was important for project quotas based on freeing up reserved metadata space (from our past discussions on the original eofblocks work). I could have just misunderstood the point at the time. If so, I can just remove the flush flag on the eofblocks scan in the logic proposed above and let the inode flush handle this for both cases. If we go that route, any preference as to whether to keep the support for doing a flush in eofblocks at all? I included it primarily for the project quota case. With that dropped, I could just drop the first couple of patches here. Thanks for the review. Brian > Cheers, > > Dave. > -- > Dave Chinner > david@fromorbit.com From hannes@stressinduktion.org Tue Apr 1 13:49:14 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 413767F58 for ; Tue, 1 Apr 2014 13:49:14 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id C687AAC005 for ; Tue, 1 Apr 2014 11:49:10 -0700 (PDT) X-ASG-Debug-ID: 1396378144-04cbb054b79d02c0001-NocioJ Received: from order.stressinduktion.org (order.stressinduktion.org [87.106.68.36]) by cuda.sgi.com with ESMTP id 2ZyfBKAIdyCIr9ym (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Tue, 01 Apr 2014 11:49:05 -0700 (PDT) X-Barracuda-Envelope-From: hannes@stressinduktion.org X-Barracuda-Apparent-Source-IP: 87.106.68.36 Received: by order.stressinduktion.org (Postfix, from userid 500) id E726D1A0C2A6; Tue, 1 Apr 2014 20:49:03 +0200 (CEST) Date: Tue, 1 Apr 2014 20:49:03 +0200 From: Hannes Frederic Sowa To: xfs@oss.sgi.com Subject: [PATCH xfstests] tests for file hash collisions on xfs filesystems Message-ID: <20140401184903.GA13434@order.stressinduktion.org> X-ASG-Orig-Subj: [PATCH xfstests] tests for file hash collisions on xfs filesystems References: <20140327074156.GJ29498@order.stressinduktion.org> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20140327074156.GJ29498@order.stressinduktion.org> X-Barracuda-Connect: order.stressinduktion.org[87.106.68.36] X-Barracuda-Start-Time: 1396378145 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4495 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- This patch adds a new check for xfstests, which generates directories with 64 distinct hash values and afterwards tries to delete the directory. This caused a hash ordering issue. The file-hash-tool can also generate files (this should result in the same original problem as with directories) and generate only filenames with one hash (this can be very well optimized in future). This is just a preview. Dave Chiner seems to want this as soon as possible, thus please review and suggest changes so I can adapt this patch ASAP. Thanks! Signed-off-by: Hannes Frederic Sowa --- .gitignore | 1 + ltp/Makefile | 2 +- ltp/file-hash-test.c | 189 +++++++++++++++++++++++++++++++++++++++++++++++++++ tests/xfs/307 | 61 +++++++++++++++++ tests/xfs/307.out | 2 + tests/xfs/group | 1 + 6 files changed, 255 insertions(+), 1 deletion(-) create mode 100644 ltp/file-hash-test.c create mode 100755 tests/xfs/307 create mode 100644 tests/xfs/307.out diff --git a/.gitignore b/.gitignore index b6f2463..c023afc 100644 --- a/.gitignore +++ b/.gitignore @@ -26,6 +26,7 @@ /ltp/fsstress /ltp/fsx /ltp/growfiles +/ltp/file-hash-test /ltp/iogen # src/ binaries diff --git a/ltp/Makefile b/ltp/Makefile index 5bea492..c1ec489 100644 --- a/ltp/Makefile +++ b/ltp/Makefile @@ -5,7 +5,7 @@ TOPDIR = .. include $(TOPDIR)/include/builddefs -TARGETS = doio fsstress fsx growfiles iogen +TARGETS = doio fsstress fsx growfiles iogen file-hash-test SCRIPTS = rwtest.sh CFILES = $(TARGETS:=.c) HFILES = doio.h diff --git a/ltp/file-hash-test.c b/ltp/file-hash-test.c new file mode 100644 index 0000000..c297034 --- /dev/null +++ b/ltp/file-hash-test.c @@ -0,0 +1,189 @@ +/* + * creates files or directories with similar hashes + * + * If used without option 64 different hash values are possible If + * '-s' is specified as command line option, it does reduce the number + * of hashes to just one. + * + * '-f' creates files - this is the default + * '-d' creates directories + * '-n 200000' specified the number of file names to generate + */ + +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include + +static enum { + DIRECTORY, + FILENAME, +} touch_mode = FILENAME; + +static bool one_hash = false; + +static uint32_t rol32(uint32_t word, unsigned int shift) +{ + return (word << shift) | (word >> (32 - shift)); +} + +static uint32_t xfs_hash(const uint8_t *name, int namelen) +{ + uint32_t hash; + + for (hash = 0; namelen >= 4; namelen -= 4, name += 4) + hash = (name[0] << 21) ^ (name[1] << 14) ^ (name[2] << 7) ^ + (name[3] << 0) ^ rol32(hash, 7 * 4); + + if (namelen) { + fprintf(stderr, + "internal error: " + "misbalanced input buffer to xfs_hash - " + "overlapping %d bytes\n", namelen); + exit(1); + } + + return hash; +} + +static uint8_t gen_rand(void) +{ + uint8_t r; + while (!(r = rand())); + return r; +} + +static uint8_t buffer[252+1] = {0}; + +static void gen_name(void) +{ + int idx; + uint32_t hash, last; + +again: + for (idx = 0; idx < 252-4; idx+=4) { + buffer[idx + 0] = gen_rand(); + buffer[idx + 1] = gen_rand(); + buffer[idx + 2] = gen_rand(); + buffer[idx + 3] = gen_rand(); + } + + hash = rol32(xfs_hash(buffer, 248), 7 * 4); + last = hash ^ ~0U; + + if (last == 0) + goto again; + + buffer[idx + 0] = (last >> 21) & 0xff; + buffer[idx + 1] = (last >> 14) & 0xff; + buffer[idx + 2] = (last >> 7) & 0xff; + buffer[idx + 3] = last & 0xff; + + if (memchr(buffer, '.', sizeof(buffer)) || + memchr(buffer, '/', sizeof(buffer))) + goto again; + + if (one_hash) { + /* very poor - can be improved later */ + static bool done = false; + static uint32_t filter; + + if (!done) { + filter = xfs_hash(buffer, 252); + done = true; + return; + } + + if (filter != xfs_hash(buffer, 252)) + goto again; + } +} + +static int touch(const char *buffer) +{ + if (touch_mode == DIRECTORY) { + if (mkdir(buffer, S_IRWXU)) { + /* ignore if directory is already present */ + if (errno == EEXIST) + return 0; + perror("mkdir with random directory name"); + return 1; + } + } else if (touch_mode == FILENAME) { + int fd = creat(buffer, S_IRWXU); + if (fd == -1) { + /* ignore duplicate files */ + if (errno == EEXIST) + return 0; + perror("creat with random directory name"); + return 1; + } + if (close(fd)) { + perror("close is leaking a file descriptor"); + return 1; + } + return 0; + } + return 0; +} + +static void do_seed(void) +{ + struct timeval tv; + if (gettimeofday(&tv, NULL)) { + perror("gettimeofday"); + exit(1); + } + srand(tv.tv_sec ^ tv.tv_usec ^ getpid()); +} + +int main(int argc, char **argv) +{ + const char allopts[] = "vsdfn:"; + int c, orig_cycles, errors = 0, cycles = 200000; + + while ((c = getopt(argc, argv, allopts)) != -1) { + switch (c) { + case 'd': + touch_mode = DIRECTORY; + break; + case 'f': + touch_mode = FILENAME; + break; + case 'n': + errno = 0; + if (sscanf(optarg, "%d", &cycles) != 1 || + errno == ERANGE) { + fputs("could not parse number of iterations", stderr); + exit(1); + } + break; + case 's': + one_hash = true; + break; + } + } + + orig_cycles = cycles; + + do_seed(); + + while (cycles--) { + gen_name(); + errors += touch((char *)buffer); + } + + if (errors) + fprintf(stderr, "creating %d %s caused %d errors\n", + orig_cycles, touch_mode == FILENAME ? "files" : "directories", + errors); + + return 0; +} diff --git a/tests/xfs/307 b/tests/xfs/307 new file mode 100755 index 0000000..12a322a --- /dev/null +++ b/tests/xfs/307 @@ -0,0 +1,61 @@ +#! /bin/bash +# FS QA Test No. 001 +# +# what am I here for? +# +#----------------------------------------------------------------------- +# Copyright (c) 2014 YOUR NAME HERE. All Rights Reserved. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it would be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write the Free Software Foundation, +# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +#----------------------------------------------------------------------- +# + +seq=`basename $0` +seqres=$RESULT_DIR/$seq +echo "QA output created by $seq" + +here=`pwd` +tmp=/tmp/$$ +status=1 # failure is the default! +trap "_cleanup; exit \$status" 0 1 2 3 15 + +_cleanup() +{ + cd / + rm -f $tmp.* +} + +# get standard environment, filters and checks +. ./common/rc +. ./common/filter + +# real QA test starts here + +# Modify as appropriate. +_supported_fs generic +_supported_os IRIX Linux + +mkdir $TEST_DIR/x +cd $TEST_DIR/x + +$here/ltp/file-hash-test -d -n 200000 +cd $here +# kernel should oops here +rm -rf $TEST_DIR/x + +echo "If we got here, everything seems fine at first." + +# success, all done +status=0 +exit diff --git a/tests/xfs/307.out b/tests/xfs/307.out new file mode 100644 index 0000000..6cd3cd6 --- /dev/null +++ b/tests/xfs/307.out @@ -0,0 +1,2 @@ +QA output created by 307 +If we got here, everything seems fine at first. diff --git a/tests/xfs/group b/tests/xfs/group index ba34650..b5695d3 100644 --- a/tests/xfs/group +++ b/tests/xfs/group @@ -189,3 +189,4 @@ 304 auto quick quota 305 auto quota 306 auto stress log metadata repair +307 auto stress -- 1.9.0 From tinguely@sgi.com Tue Apr 1 13:56:57 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=RP_MATCHES_RCVD autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 039D17F5D for ; Tue, 1 Apr 2014 13:56:57 -0500 (CDT) Received: from eagdhcp-232-178.americas.sgi.com (eagdhcp-232-178.americas.sgi.com [128.162.232.178]) by relay1.corp.sgi.com (Postfix) with ESMTP id BB9AA8F8065; Tue, 1 Apr 2014 11:56:53 -0700 (PDT) Message-ID: <533B0BF5.5000404@sgi.com> Date: Tue, 01 Apr 2014 13:56:53 -0500 From: Mark Tinguely User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:9.0) Gecko/20120122 Thunderbird/9.0 MIME-Version: 1.0 To: Hannes Frederic Sowa CC: xfs@oss.sgi.com Subject: Re: [PATCH xfstests] tests for file hash collisions on xfs filesystems References: <20140327074156.GJ29498@order.stressinduktion.org> <20140401184903.GA13434@order.stressinduktion.org> In-Reply-To: <20140401184903.GA13434@order.stressinduktion.org> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit On 04/01/14 13:49, Hannes Frederic Sowa wrote: > This patch adds a new check for xfstests, which generates directories with 64 > distinct hash values and afterwards tries to delete the directory. This caused > a hash ordering issue. > > The file-hash-tool can also generate files (this should result in the same > original problem as with directories) and generate only filenames with one > hash (this can be very well optimized in future). > > This is just a preview. Dave Chiner seems to want this as soon as possible, > thus please review and suggest changes so I can adapt this patch ASAP. > > Thanks! > > Signed-off-by: Hannes Frederic Sowa > --- I had some suggestions for the C and xfstests that cross paths with this post. --Mark. From pocas.jamie@gmail.com Tue Apr 1 15:16:45 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=FREEMAIL_FROM,HTML_MESSAGE, LOCALPART_IN_SUBJECT,T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 7CDBB7F56 for ; Tue, 1 Apr 2014 15:16:45 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id 6467D304053 for ; Tue, 1 Apr 2014 13:16:42 -0700 (PDT) X-ASG-Debug-ID: 1396383399-04cbb054b69d4f40001-NocioJ Received: from mail-lb0-f172.google.com (mail-lb0-f172.google.com [209.85.217.172]) by cuda.sgi.com with ESMTP id 8LW06qSHACH7sw6S (version=TLSv1 cipher=RC4-SHA bits=128 verify=NO) for ; Tue, 01 Apr 2014 13:16:40 -0700 (PDT) X-Barracuda-Envelope-From: pocas.jamie@gmail.com X-Barracuda-Apparent-Source-IP: 209.85.217.172 X-Barracuda-IPDD: Level1 [gmail.com/209.85.217.172] Received: by mail-lb0-f172.google.com with SMTP id c11so7509736lbj.3 for ; Tue, 01 Apr 2014 13:16:39 -0700 (PDT) X-Barracuda-IPDD: Level1 [gmail.com/209.85.217.172] X-Barracuda-IPDD: Level1 [gmail.com/209.85.217.172] DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:date:message-id:subject:from:to:content-type; bh=iyeBIkT9qgmBEOQeFkI+JhH0MKLeT75b21q7WUUY6Mg=; b=mEnpn9Jn4sNhAgeH+6DKWrf8Wy3+sBt8wvjeHq3l7HUh9i7Gj19TYhxuMubVxv12jQ gIwZHb7oVdNDS0RPrf2PsjJZclHOHikawWx/zamjriWd9LN7B98BPasPaMmiyG1leOn8 nCrQB6t7MVmgJg9PeOVoXtVE0HkyhSZ+zuNxijkyShIbNrqv2FOOzkiFwEXY2P4YiPGb rbChdfv9G9XHzz8Sl076OQpNFsBJ5EFSZ9cL7rAqtYAXWnSWl7pAEmswWj3fZJTmqW1/ rNn6nkRA/foCWEEH7B0h0m3igm7GD48yuypWgqSUO+vcu4nBYMvNcwnplmz9hOW5IvtT cMMw== MIME-Version: 1.0 X-Received: by 10.153.7.200 with SMTP id de8mr24019615lad.19.1396383399132; Tue, 01 Apr 2014 13:16:39 -0700 (PDT) Received: by 10.114.188.129 with HTTP; Tue, 1 Apr 2014 13:16:39 -0700 (PDT) Date: Tue, 1 Apr 2014 16:16:39 -0400 Message-ID: Subject: xfs: invalid requests to request_fn from xfs_repair From: Jamie Pocas X-ASG-Orig-Subj: xfs: invalid requests to request_fn from xfs_repair To: xfs@oss.sgi.com Content-Type: multipart/alternative; boundary=001a1137e98679c1ed04f600d880 X-Barracuda-Connect: mail-lb0-f172.google.com[209.85.217.172] X-Barracuda-Start-Time: 1396383400 X-Barracuda-Encrypted: RC4-SHA X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 1.00 X-Barracuda-Spam-Status: No, SCORE=1.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=DKIM_SIGNED, DKIM_VERIFIED, HTML_MESSAGE, LOCALPART_IN_SUBJECT, LOCALPART_IN_SUBJECT_2 X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4495 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 LOCALPART_IN_SUBJECT Local part of To: address appears in Subject -0.00 DKIM_VERIFIED Domain Keys Identified Mail: signature passes verification 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature 0.00 HTML_MESSAGE BODY: HTML included in message 1.00 LOCALPART_IN_SUBJECT_2 Local part of To: address appears in Subject --001a1137e98679c1ed04f600d880 Content-Type: text/plain; charset=ISO-8859-1 Hi folks, I have a very simple block device driver that uses the request_fn style of processing instead of the older bio handling or newer multiqueue approach. I have been using this with ext3 and ext4 for years with no issues, but scalability requirements have dictated that I move to xfs to better support larger devices. I'm observing something weird in my request_fn. It seems like the block layer is issuing invalid requests to my request function, and it really manifests when I use xfs_repair. Here's some info: blk_queue_physical_block_size(q, 512) // should be no surprise blk_queue_logical_block_size(q, 512) // should be no surprise blk_queue_max_segments(q, 128); /* 128 memory segments (page + offset/length pairs) per request! */ blk_queue_max_hw_sectors(q, CA_MAX_REQUEST_SECTORS); /* Up to 1024 sectors (512k) per request hard limit in the kernel */ blk_queue_max_segment_size(q, CA_MAX_REQUEST_BYTES); /* 512k (1024 sectors) is the hard limit in the kernel */ While iterating through segments in rq_for_each_segment(), for some requests I am seeing some odd behavior. segment 0: iter.bio->bi_sector = 0, blk_rq_cur_sectors(rq) = 903 // Ok, this looks normal segment 1: iter.bio->bi_sector = 1023, blk_rq_cur_sectors(rq) = 7 // Whoah... this doesn't look right to me ... You can see with segment 1, that the start sector is *NOT* adjacent to the the previous segment's sectors (there's a gap from sector 903 through 1022) and that the "sparse" request, for lack of a better term, extends beyond the max I/O boundary of 512k. Furthermore, this doesn't seem to jibe with what userspace is doing, which is a simple 512k read all in one chunk with a single userspace address. But when you look at the strace of what xfs_repair is doing, it's just an innocuous read of 512k from sector 0. write(2, "Phase 1 - find and verify superb"..., 40Phase 1 - find and verify superblock... ) = 40 mmap(NULL, 528384, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f00e2f42000 mmap(NULL, 528384, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f00e2ec1000 lseek(4, 0, SEEK_SET) = 0 read(4, 0x7f00e2ec1200, 524288) = -1 EIO (Input/output error) write(2, "superblock read failed, offset 0"..., 61superblock read failed, offset 0, size 524288, ag 0, rval -1 ) = 61 The reason you see the EIO is because I am failing a request in the driver since it violates the restrictions I set earlier, is non-adjacent, and so I am unable to satisfy it. *Point 1:* Shouldn't requests contain all segments that are adjacent on disk e.g. if initially before the rq_for_each_segment() loop blk_rq_pos(rq) is 10, and blk_rq_cur_sectors is 10, then on the next iteration (if any) iter.bio->bi_sector should be 10+10-1=20? Is my understanding correct? Are these some kind of special requests that should be handled differently (e.g. I know that DISCARD requests have to be handled differently and shouldn't be run through rq_for_each_segment, and that FLUSH requests are often empty). The cmd_flags say that they are normal REQ_TYPE_FS requests. *Point 2:* If I ignore the incorrect iter.bio->bi_sector, and just read/write the request out as if it were adjacent, I xfs_repair reports corruption, and sure enough there are inodes which are zeroed out instead of having the inode magic 0x494e ( "IN") as expected. So mkfs.xfs, while not sending what appear to be illegal requests, is still resulting in corruption. *Point 3:* Interestingly this goes away when I set blk_queue_max_segments(q, 1), but this obviously cuts down on clustering, and this of course kills performance. Is this indicative of anything in particular that I could be doing wrong? Please cut me some slack when I say something like xfs_repair is "sending" invalid requests. I know that there is the C library, system call interface, block layer, etc.. in between, but I just mean to say simply that using this tool results in this unexpected behavior. I don't mean to point blame at xfs or xfsprogs. If this turns out to be a block layer issue, and this posting needs to be sent elsewhere, I apologize and would appreciate being pointed in the right direction. It almost feels like the block layer is splitting the bios up wrongly, is corrupting the bvecs, or is introducing a race. What's strange again, is that I have only seen this behavior with xfs tools, but not ext3, or ext4 and e2fsprogs which has been working for years. It really shouldn't matter though, because mkfs.xfs and xfs_repair are user space tools, so this shouldn't cause the block layer in the kernel to send down invalid requests. I have been grappling with this for a few weeks, and I am tempted to go to the old bio handling function instead just to see if that would work out for me better, but that would be a big rewrite of the LLD. I am using an older Ubuntu 12.04 kernel 3.2.x so I am not able to go to the newer multiqueue implementation. Any ideas/suggestions? Need more information? Thanks and Regards, Jamie Pocas --001a1137e98679c1ed04f600d880 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable
Hi folks,

I have a very= simple block device driver that uses the request_fn style of processing in= stead of the older bio handling or newer multiqueue approach. I have been u= sing this with ext3 and ext4 for years with no issues, but scalability requ= irements have dictated that I move to xfs to better support larger devices.=

I'm observing something weird in my request_f= n. It seems like the block layer is issuing invalid requests to my request = function, and it really manifests when I use xfs_repair. Here's some in= fo:

blk_queue_physical_block_size(q, 512) // should be no s= urprise
blk_queue_logical_block_size(q, 512) // should b= e no surprise
blk_queue_max_segments(q, 128); /* 128 m= emory segments (page + offset/length pairs) per request! */
blk_queue_max_hw_sectors(q, CA_MAX_REQUEST_SECTORS); /* Up to 1024 sec= tors (512k) per request hard limit in the kernel */
blk_queue= _max_segment_size(q, CA_MAX_REQUEST_BYTES); /* 512k (1024 sectors) is the h= ard limit in the kernel */

While iterating through segments in rq_for_each_s= egment(), for some requests I am seeing some odd behavior.

segmen= t 0: iter.bio->bi_sector =3D 0, blk_rq_cur_sectors(rq) =3D 903 =A0 // Ok= , this looks normal
segm= ent 1: iter.bio->bi_sector =3D 1023, blk_rq_cur_sectors(rq) =3D 7 // Who= ah... this doesn't look right to me
...=A0

You can see with segment 1, that the start sect= or is *NOT* adjacent to the the previous segment's sectors (there's= a gap from sector 903 through 1022) and that the "sparse" reques= t, for lack of a better term, extends beyond the max I/O boundary of 512k. = Furthermore, this doesn't seem to jibe with what userspace is doing, wh= ich is a simple 512k read all in one chunk with a single userspace address.=

But when you look at the strace of what xfs_repair is d= oing, it's just an innocuous read of 512k from sector 0.

=
write(2, "Phase 1 - find and verify superb"..., 40Phas= e 1 - find and verify superblock...
) =3D 40
mmap(NULL, 528384, PROT_READ|PROT_WRITE, MAP_PRIVAT= E|MAP_ANONYMOUS, -1, 0) =3D 0x7f00e2f42000
mmap(NULL, 528384, PRO= T_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =3D 0x7f00e2ec1000
lseek(4, 0, SEEK_SET) =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =3D 0
<= div>read(4, 0x7f00e2ec1200, 524288) =A0 =A0 =A0 =A0 =3D -1 EIO (Input/outpu= t error)
write(2, "superblock read failed, offset 0"...= , 61superblock read failed, offset 0, size 524288, ag 0, rval -1
) =3D 61

The reason you see the EIO is becaus= e I am failing a request in the driver since it violates the restrictions I= set earlier, is non-adjacent, and so I am unable to satisfy it.

Point 1: Shouldn't requests contain all segments = that are adjacent on disk e.g. if initially before the rq_for_each_segment(= ) loop blk_rq_pos(rq) is 10, and blk_rq_cur_sectors is 10, then on the next= iteration (if any) iter.bio->bi_sector should be 10+10-1=3D20? Is my un= derstanding correct? Are these some kind of special requests that should be= handled differently (e.g. I know that DISCARD requests have to be handled = differently and shouldn't be run through rq_for_each_segment, and that = FLUSH requests are often empty). The cmd_flags say that they are normal REQ= _TYPE_FS requests.

Point 2:=A0If I ignore the incorrect=A0iter.bio->bi_sector, = and just read/write the request out as if it were adjacent, I xfs_repair re= ports corruption, and sure enough there are inodes which are zeroed out ins= tead of having the inode magic=A00x= 494e (= =A0"IN") as expected. So mkfs.xfs, while not sending what appear = to be illegal requests, is still resulting in corruption.

Point 3:=A0Interestingly this goes away whe= n I set blk_queue_max_segments(q, 1), but this obviously cuts down on clust= ering, and this of course kills performance. Is this indicative of anything= in particular that I could be doing wrong?

Please cut me some slack when I say something lik= e xfs_repair is "sending" invalid requests. I know that there is = the C library, system call interface, block layer, etc.. in between, but I = just mean to say simply that using this tool results in this unexpected beh= avior. I don't mean to point blame at xfs or xfsprogs. If this turns ou= t to be a block layer issue, and this posting needs to be sent elsewhere, I= apologize and would appreciate being pointed in the right direction.

It almost feels like the block layer is splitting the b= ios up wrongly, is corrupting the bvecs, or is introducing a race. What'= ;s strange again, is that I have only seen this behavior with xfs tools, bu= t not ext3, or ext4 and e2fsprogs which has been working for years. It real= ly shouldn't matter though, because mkfs.xfs and xfs_repair are user sp= ace tools, so this shouldn't cause the block layer in the kernel to sen= d down invalid requests. I have been grappling with this for a few weeks, a= nd I am tempted to go to the old bio handling function instead just to see = if that would work out for me better, but that would be a big rewrite of th= e LLD. I am using an older Ubuntu 12.04 kernel 3.2.x so I am not able to go= to the newer multiqueue implementation.


Any ideas/suggestions?
Need mo= re information?


Thanks and Regards,=
Jamie Pocas

--001a1137e98679c1ed04f600d880-- From david@fromorbit.com Tue Apr 1 15:42:38 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 5D81F7F56 for ; Tue, 1 Apr 2014 15:42:38 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id C1C1EAC005 for ; Tue, 1 Apr 2014 13:42:34 -0700 (PDT) X-ASG-Debug-ID: 1396384950-04cb6c5677bc2e80001-NocioJ Received: from ipmail07.adl2.internode.on.net (ipmail07.adl2.internode.on.net [150.101.137.131]) by cuda.sgi.com with ESMTP id 9BPGOszaejF3VDwK for ; Tue, 01 Apr 2014 13:42:31 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.131 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AloGAPEjO1N5LEcv/2dsb2JhbABZgwa/A4VdgRwXdIIlAQEBAwEnExwjBQsIAxgJJQ8FJQMhE4dxB9EJFxaOA1cHhDgEmFWKX4dbg0QpgS0 Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail07.adl2.internode.on.net with ESMTP; 02 Apr 2014 07:12:28 +1030 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WV5Vf-0004sc-J9; Wed, 02 Apr 2014 07:42:15 +1100 Date: Wed, 2 Apr 2014 07:42:15 +1100 From: Dave Chinner To: Jamie Pocas Cc: xfs@oss.sgi.com Subject: Re: xfs: invalid requests to request_fn from xfs_repair Message-ID: <20140401204215.GG17603@dastard> X-ASG-Orig-Subj: Re: xfs: invalid requests to request_fn from xfs_repair References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail07.adl2.internode.on.net[150.101.137.131] X-Barracuda-Start-Time: 1396384951 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4496 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Tue, Apr 01, 2014 at 04:16:39PM -0400, Jamie Pocas wrote: > Hi folks, > > I have a very simple block device driver that uses the request_fn style of > processing instead of the older bio handling or newer multiqueue approach. > I have been using this with ext3 and ext4 for years with no issues, but > scalability requirements have dictated that I move to xfs to better support > larger devices. > > I'm observing something weird in my request_fn. It seems like the block > layer is issuing invalid requests to my request function, and it really > manifests when I use xfs_repair. Here's some info: > > blk_queue_physical_block_size(q, 512) // should be no surprise > blk_queue_logical_block_size(q, 512) // should be no surprise 512 byte sectors. > blk_queue_max_segments(q, 128); /* 128 memory segments (page + > offset/length pairs) per request! */ > blk_queue_max_hw_sectors(q, CA_MAX_REQUEST_SECTORS); /* Up to 1024 sectors > (512k) per request hard limit in the kernel */ > blk_queue_max_segment_size(q, CA_MAX_REQUEST_BYTES); /* 512k (1024 sectors) > is the hard limit in the kernel */ And up to 512KB per IO. > While iterating through segments in rq_for_each_segment(), for some > requests I am seeing some odd behavior. > > segment 0: iter.bio->bi_sector = 0, blk_rq_cur_sectors(rq) = 903 // Ok, > this looks normal > segment 1: iter.bio->bi_sector = 1023, blk_rq_cur_sectors(rq) = 7 // > Whoah... this doesn't look right to me Seems fine to me. There's absolutely no reason two separate IOs can't be sub-page sector aligned or discontiguous given the above configuration. If that's what the getblocks callback returned to the DIO layer, then that's what you're going to see in the bios... > You can see with segment 1, that the start sector is *NOT* > adjacent to the the previous segment's sectors (there's a gap from > sector 903 through 1022) and that the "sparse" request, for lack > of a better term, extends beyond the max I/O boundary of 512k. > Furthermore, this doesn't seem to jibe with what userspace is > doing, which is a simple 512k read all in one chunk with a single > userspace address. The read syscall is for a byte offset (from the fd, set by lseek) and a length, not a range of contiguous sectors on the device. That off/len tuple gets mapped by the underlying filesystem or device into an sector/len via a getblocks callback in the dio code and the bios are then built according to the mappings that are returned. So in many cases the IO that hits the block device looks nothing at all like the IO that came from userspace. > But when you look at the strace of what xfs_repair is doing, it's just an > innocuous read of 512k from sector 0. > > write(2, "Phase 1 - find and verify superb"..., 40Phase 1 - find and verify > superblock... > ) = 40 > mmap(NULL, 528384, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) > = 0x7f00e2f42000 > mmap(NULL, 528384, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) > = 0x7f00e2ec1000 > lseek(4, 0, SEEK_SET) = 0 > read(4, 0x7f00e2ec1200, 524288) = -1 EIO (Input/output error) > write(2, "superblock read failed, offset 0"..., 61superblock read failed, > offset 0, size 524288, ag 0, rval -1 > ) = 61 This is mostly meaningless without the command line you used for xfs_repair and the trace from the open() syscall parameters that returned fd 4 because we have no idea what the IO context actually is. > The reason you see the EIO is because I am failing a request in the driver > since it violates the restrictions I set earlier, is non-adjacent, and so I > am unable to satisfy it. > > *Point 1:* Shouldn't requests contain all segments that are adjacent on > disk Not necessarily, see above. > *Point 2:* If I ignore the incorrect iter.bio->bi_sector, and just > read/write the request out as if it were adjacent, I xfs_repair reports > corruption, Of course, because you read data from different sectors than was asked for by the higher layers. > and sure enough there are inodes which are zeroed out instead > of having the inode magic 0x494e ( "IN") as expected. So mkfs.xfs, while > not sending what appear to be illegal requests, is still resulting in > corruption. > > *Point 3:* Interestingly this goes away when I set > blk_queue_max_segments(q, 1), but this obviously cuts down on clustering, > and this of course kills performance. Is this indicative of anything in > particular that I could be doing wrong? Probably does, but I can't tell you what it may be... > Please cut me some slack when I say something like xfs_repair is "sending" > invalid requests. I know that there is the C library, system call > interface, block layer, etc.. in between, but I just mean to say simply > that using this tool results in this unexpected behavior. I don't mean to > point blame at xfs or xfsprogs. If this turns out to be a block layer > issue, and this posting needs to be sent elsewhere, I apologize and would > appreciate being pointed in the right direction. > > It almost feels like the block layer is splitting the bios up wrongly, is > corrupting the bvecs, or is introducing a race. What's strange again, is > that I have only seen this behavior with xfs tools, but not ext3, or ext4 > and e2fsprogs which has been working for years. It really shouldn't matter Because the XFS tools use direct IO, and the ext tools don't. Therefore the IO that the different tools pass through are completely different code paths in the kernel that have different constraints. e.g. buffered IO will always be page aligned, direct IO can be sector aligned.... Cheers, Dave. -- Dave Chinner david@fromorbit.com From david@fromorbit.com Tue Apr 1 16:19:50 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 757007F58 for ; Tue, 1 Apr 2014 16:19:50 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id E6A6BAC005 for ; Tue, 1 Apr 2014 14:19:46 -0700 (PDT) X-ASG-Debug-ID: 1396387180-04bdf05dabbf0340001-NocioJ Received: from ipmail07.adl2.internode.on.net (ipmail07.adl2.internode.on.net [150.101.137.131]) by cuda.sgi.com with ESMTP id gvuutkTXVtbGz10S for ; Tue, 01 Apr 2014 14:19:40 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.131 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AlsGABUsO1N5LEcv/2dsb2JhbABZgwa/BIVdgRwXdIIlAQEBAwEnExwjBQsIAw4KCSUPBSUDIRMbh1YH0GAXFokwhFMKBEkHhDgElCaEL5I6g0QpgS0 Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail07.adl2.internode.on.net with ESMTP; 02 Apr 2014 07:49:39 +1030 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WV65e-0004yS-HK; Wed, 02 Apr 2014 08:19:26 +1100 Date: Wed, 2 Apr 2014 08:19:26 +1100 From: Dave Chinner To: Brian Foster Cc: xfs@oss.sgi.com Subject: Re: [PATCH 4/5] xfs: run an eofblocks scan on ENOSPC/EDQUOT Message-ID: <20140401211926.GH17603@dastard> X-ASG-Orig-Subj: Re: [PATCH 4/5] xfs: run an eofblocks scan on ENOSPC/EDQUOT References: <1396012563-60973-1-git-send-email-bfoster@redhat.com> <1396012563-60973-5-git-send-email-bfoster@redhat.com> <20140331222246.GF17603@dastard> <20140401135518.GC21540@bfoster.bfoster> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140401135518.GC21540@bfoster.bfoster> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail07.adl2.internode.on.net[150.101.137.131] X-Barracuda-Start-Time: 1396387180 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4497 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Tue, Apr 01, 2014 at 09:55:18AM -0400, Brian Foster wrote: > On Tue, Apr 01, 2014 at 09:22:47AM +1100, Dave Chinner wrote: > > On Fri, Mar 28, 2014 at 09:16:02AM -0400, Brian Foster wrote: > ... > > > /* > > > - * If we just got an ENOSPC, try to write back all dirty inodes to > > > - * convert delalloc space to free up some of the excess reserved > > > - * metadata space. > > > + * If we hit ENOSPC or a quota limit, use the selective nature of the > > > + * eofblocks scan to try and free up some lingering speculative > > > + * preallocation delalloc blocks. > > > + * > > > + * If we hit a quota limit, only scan for files covered by the quota. We > > > + * also consider ENOSPC here because project quota failure can return > > > + * ENOSPC instead of EDQUOT. The quota scanning only sets 'scanned' if > > > + * the inode is covered by a quota with low free space. This should > > > + * minimize interference with global ENOSPC handling. > > > + * > > > + * If a scan does not free enough space, resort to the inode flush big > > > + * hammer to convert delalloc space to free up some of the excess > > > + * reserved metadata space. > > > */ > > > + if ((ret == -EDQUOT || ret == -ENOSPC) && !scanned) { > > > + scanned = xfs_inode_free_quota_eofblocks(ip); > > > + if (scanned) > > > + goto write_retry; > > > + } > > > + if (ret == -ENOSPC && !scanned) { > > > + struct xfs_eofblocks eofb = {0,}; > > > > IIRC, you can just use "{ 0 }" for initialisation, no "," needed. > > > > > + > > > + eofb.eof_scan_owner = ip->i_ino; /* for locking */ > > > + eofb.eof_flags = XFS_EOF_FLAGS_SYNC | XFS_EOF_FLAGS_FLUSH; > > > + xfs_icache_free_eofblocks(ip->i_mount, &eofb); > > > + scanned = 1; > > > + goto write_retry; > > > + } > > > if (ret == -ENOSPC && !enospc) { > > > enospc = 1; > > > xfs_flush_inodes(ip->i_mount); > > > > This seems overly complex and fragile. I'd much prefer that we don't > > bury data writeback deep in the EOF block freeing code - we've done > > a lot of work in the past to remove exactly that sort of behaviour > > from XFS inode scanners. > > I think the fragility comes from the fact that we can't detect a > particular quota failure or a project quota failure from a global > failure. IIRC from looking at this way back when, there wasn't a clear > solution to that problem. It didn't seem worth getting too far into for > the purpose of this little bit of functionality. In that sense, the > fragility will be there regardless. > > It would be nice to simplify this, however. It took a little bit of > staring at this to try and make it effective and somewhat succinct. > > > I'd prefer to see something like this: > > > > if (ret == -EDQUOT && !enospc) { > > enospc = 1; > > xfs_inode_free_quota_eofblocks(ip); > > goto retry; > > else if (ret == -ENOSPC && !enospc) { > > enospc = 1; > > xfs_flush_inodes(ip->i_mount); > > .... > > xfs_icache_free_eofblocks(ip->i_mount, &eofb); > > goto retry; > > } > > > > What I don't like about this, in particular, is xfs_flush_inodes() could > be unnecessary. We have a max preallocation size of 8GB, so the > eofblocks scan alone can free up gigabytes of space. Now that I think of > it, this is kind of a flaw in the proposed logic as well. The issue is that an eofblock scan is expensive, and there's no limiting on how many inodes can have the EOF tag set and there's no limiting on the number of concurrent scans that can be run. i.e. when an active project that has many processes writing to it runs out of space, every process will enter xfs_icache_free_eofblocks() function and start issuing data flush requests on dirty inodes. It causes unbound writeback concurrency, and we know that this is a bad thing to do to your storage... xfs_flush_inodes() only runs one scan of the currently dirty inodes at a time because it serialises on the flusher thread. We get optimised writeback patterns rather than random data writeback from as many threads hitting the eofblocks scanner at once. History has shown that this is the most efficient way to clean dirty data - optimise once and in the correct place, then use it everywhere. Yes, it means that there is a global flush when a project quota runs out of space, but it means that we only do it once and we don't burn excessive CPU walking radix trees scanning inodes needlessly every time we get a storm of processes hammering project quota ENOSPC. FWIW, if we want to filter the list of dirty inodes to writeback, we should look at providing a filter callback to the generic inode code that gets called on each dirty inode. That way we can use the optimised writeback code to quickly find and dispatch only the dirty inodes that match the quota id we are having problems with.... > > This way has specific behaviours for EDQUOT vs ENOSPC, and we treat > > them appropriately with a minimum of differences. And ENOSPC is > > global, because we can't tell the difference here between a project > > quota ENOSPC and a global ENOSPC at this point. > > > > The main difference I see is that the original logic is centered around > figuring out how to do an eofblocks scan vs. xfs_flush_inodes() only > when necessary. In other words, we always attempt to do an eofblocks > scan first then fall back to the inode flush. Where it gets a bit ugly > is where we try to determine what kind of scan to run due to lack of > information. The flush aspect of things is a little confused as well I > suppose. > > Alternatively, the logic above is designed around categorization of the > possible error conditions. I agree that it is more simple, but not quite > as effective as noted above. We would continue to run a global inode > flush when eofblocks can clean up effectively for the time being or due > to a project quota failure that should ideally not impact the wider fs. Sure, but we've found in the past that just issuing a global flush is far better from both the CPU and IO efficiency POV than concurrent inode cache scans to find matching dirty inodes and flushing them. > I wonder if something like the following would simplify this enough, yet > still provide nicer behavior: > > /* > * If this is an allocation failure, attempt an eofblocks scan > * before we resort to an inode flush... > */ > if ((ret == -EDQUOT || ret == -ENOSPC) && !scanned) { > scanned = xfs_inode_enospc_eofblocks(ip); > if (scanned) > goto retry; > scanned = 1; /* try this once */ > } > if (ret == -ENOSPC && !enospc) { > enospc = 1; > xfs_flush_inodes(); > goto retry; > } > > This consolidates the eofblocks scan logic to a separate helper to > simplify things. The helper can run the quota scan and/or the global > scan based on the data regarding the situation (i.e., the inode and > associated quota characteristics). This allows us to preserve the notion > of attempting a lightweight recovery first and a heavyweight recovery > second, reserving the inode flush for when space is truly tight. > Thoughts? It's still damn clunky, IMO. It's still trying to work around the fact that project quotas use ENOSPC rather than EDQUOT, and that makes the logic rather twisted. And it still has that hidden data flush in it so it can't really be called lightweight... > > > diff --git a/fs/xfs/xfs_icache.c b/fs/xfs/xfs_icache.c > > > index bd0ab7d..471ccfa 100644 > > > --- a/fs/xfs/xfs_icache.c > > > +++ b/fs/xfs/xfs_icache.c > > > @@ -33,6 +33,9 @@ > ... > > > + > > > + if (XFS_IS_PQUOTA_ENFORCED(ip->i_mount)) { > > > + dq = xfs_inode_dquot(ip, XFS_DQ_PROJ); > > > + if (dq && xfs_dquot_lowsp(dq)) { > > > + eofb.eof_prid = xfs_get_projid(ip); > > > + eofb.eof_flags = XFS_EOF_FLAGS_SYNC| > > > + XFS_EOF_FLAGS_PRID| > > > + XFS_EOF_FLAGS_FLUSH; > > > + xfs_icache_free_eofblocks(ip->i_mount, &eofb); > > > + scanned = 1; > > > + } > > > + } > > > > I really don't like the fact that project quota is hiding a data > > flush in the "free_quota_eofblocks" logic. It just strikes me a the > > wrong thing to do because if it's a real ENOSPC we're just going to > > have to do this anyway... > > > > I was under the impression that a flush was important for project quotas > based on freeing up reserved metadata space (from our past discussions > on the original eofblocks work). I could have just misunderstood the > point at the time. It is important - I'm not saying that we should not flush dirty data. What I am disagreeing with is the implementation of data flushing in the patch.... > If so, I can just remove the flush flag on the > eofblocks scan in the logic proposed above and let the inode flush > handle this for both cases. > > If we go that route, any preference as to whether to keep the support > for doing a flush in eofblocks at all? I included it primarily for the > project quota case. With that dropped, I could just drop the first > couple of patches here. Yes, you could do that. Cheers, Dave. -- Dave Chinner david@fromorbit.com From david@fromorbit.com Tue Apr 1 17:04:05 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 8AAB37F54 for ; Tue, 1 Apr 2014 17:04:05 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id 316D930405F for ; Tue, 1 Apr 2014 15:04:02 -0700 (PDT) X-ASG-Debug-ID: 1396389837-04bdf05daabf23c0001-NocioJ Received: from ipmail07.adl2.internode.on.net (ipmail07.adl2.internode.on.net [150.101.137.131]) by cuda.sgi.com with ESMTP id xGFikzPXs7kJPQbS for ; Tue, 01 Apr 2014 15:03:57 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.131 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AlsGAKU2O1N5LEcv/2dsb2JhbABYgwa/C4VdgR0XdIIlAQEBAwE6HBUOBQsIAxgJEAITDwUlAyETFIddB9BaFxaOWgcnAoQPBJhVkjqDRCmBEB4 Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail07.adl2.internode.on.net with ESMTP; 02 Apr 2014 08:33:57 +1030 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WV6mV-00055Q-Lp; Wed, 02 Apr 2014 09:03:43 +1100 Date: Wed, 2 Apr 2014 09:03:43 +1100 From: Dave Chinner To: Mark Tinguely Cc: XFS Mailing List Subject: Re: [PATCH] xfs: fix bad hash ordering Message-ID: <20140401220343.GI17603@dastard> X-ASG-Orig-Subj: Re: [PATCH] xfs: fix bad hash ordering References: <20140328173430.622616177@sgi.com> <20140331001055.GD16336@dastard> <53399B06.5010400@sgi.com> <20140331214016.GD17603@dastard> <533A22DB.2030608@sgi.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <533A22DB.2030608@sgi.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail07.adl2.internode.on.net[150.101.137.131] X-Barracuda-Start-Time: 1396389837 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4498 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Mon, Mar 31, 2014 at 09:22:19PM -0500, Mark Tinguely wrote: > >Well, it's been over a week now and you're asking me to trust that > >someone I don't know and who has never submitted an xfstests before > >to do something in a timely manner so we can test a critical bug fix > >during a merge window. I'm willing to be pleasently surprised, but > >history tells me that people that report bugs rarely follow up with > >xfstest cases and it's usually the developer that fixes the bug that > >generates the xfstests patch. > > > >So if the xfstests patch doesn't arrive in the next few hours, can > >you please do that for us so I can get this sorted out for the merge > >window? > > > >Cheers, > > > >Dave. > > Dave, > > I think we need to take a step back and clear a little confusion here. > There are 2 different directory bugs. > > 1) Freeing of a already free extent. It presents with the error: > XFS: Internal error XFS_WANT_CORRUPTED_GOTO at line 16XX of file > fs/xfs/xfs_alloc.c. > Could be a right or a left edge (or both) that is free. > > Morgan Meyers sent the latest occurrence on > March 12, but others have been seeing it in the community code in the > last few mounts. SGI has been seeing it lately with big customers and > it has occurred off and on for 7-8 years according to our bug > database. I fail to see what this has to do with someone providing an xfstests case for the directory hash regression that was under discussion. Regardless, I'll take issue with your sweeping generalisation: not every XFS_WANT_CORRUPTED_GOTO error has the same cause. Indeed, most of the ones we've seen in the past 7-8 years we've found some kind of problem with hardware or fixed other bugs that have made it go away. The above issue that was reported is - so far - a one of a kind. I haven't seen any other reports that are even vaguely similar. If SGI has more customers hitting this problem, then it would be really nice if SGI could provide that information to the community rather than complain that they've been seeing it for 8 years. All that tells us in the community is that you aren't fixing bugs your customers are hitting and youren't passing them on to people who might be able to help... IOWs, if a vendor doesn't have the expertise to find the underlying problem and they need help tracking down such problems, then they should report the bugs to the list like end users do. > 2) Hannes Frederic Sowa found a different directory bug on Thursday, > March 27. He included a replicator. I bisected the source of the this > bug on Thursday. Walked the bisected patch on Friday and posted the > patch. The idea to make a xfstest from the replicator was also made > on March 28. > > This bug has been only known for 3 business days. I already promised > that a xfstest will be made. If you need to verify the problem and > the patch, there already is a replicator. The xfstest is *not for me* - it's for every distro and vendor out there that ships XFS in their product to realise that there's a serious bug they need fixing, and for them to be able to confirm that they've fixed it. I don't ask people to do stuff for my benefit - I'm perfectly capable of doing random special stuff for myself - but I will ask for things that are needed for the greater community. That's why I asked you to rewrite the commit message to explain what the cause and impact of problem being fixed was, and why I'm asking for the regression test to be provided quickly. Both of these things greatly benefit downstream users of XFS and xfstests, so upstream processes need to reflect this. Fixing the bug in the upstream tree is only half the job we need to do... It's a moot discussion now that the xfstest case has been posted.... Cheers, Dave. -- Dave Chinner david@fromorbit.com From pocas.jamie@gmail.com Tue Apr 1 17:28:25 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=FREEMAIL_FROM,HTML_MESSAGE, T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id B94F37F58 for ; Tue, 1 Apr 2014 17:28:24 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 0E745AC009 for ; Tue, 1 Apr 2014 15:28:23 -0700 (PDT) X-ASG-Debug-ID: 1396391300-04cb6c5677bc8490001-NocioJ Received: from mail-lb0-f179.google.com (mail-lb0-f179.google.com [209.85.217.179]) by cuda.sgi.com with ESMTP id 0hM3vBrWDGRmKfH8 (version=TLSv1 cipher=RC4-SHA bits=128 verify=NO) for ; Tue, 01 Apr 2014 15:28:21 -0700 (PDT) X-Barracuda-Envelope-From: pocas.jamie@gmail.com X-Barracuda-Apparent-Source-IP: 209.85.217.179 X-Barracuda-IPDD: Level1 [gmail.com/209.85.217.179] Received: by mail-lb0-f179.google.com with SMTP id p9so7617647lbv.10 for ; Tue, 01 Apr 2014 15:28:19 -0700 (PDT) X-Barracuda-IPDD: Level1 [gmail.com/209.85.217.179] X-Barracuda-IPDD: Level1 [gmail.com/209.85.217.179] DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=g0rUuf3puMDLkN7m+tTWglebMn4mZ23jPMURhYvZbgM=; b=aLVzu/l1IpZdgRtQc+Kzlq3YRLwJN1tSio6WaSVk2uJr8ZqF88MMPQH78XsFRqCvEh egyFrXu3P5hD0EsqAPScmyp+CjgsdkuQwIsPP783WziIiX+akCHhFSgPGsXhKm21iYt1 FpNbzmYGveFATU8yQf0LMvg8lhwZRlgB6yyHMwqX2cznZW+fORoVeGKkiTjtbdb7L/RG wsGgULD4WsmldPN4Oj+d7tKd4iar/fFL3WhP+UAYnQCxMaVlhZgUCdBJ4nvIELHPPyy1 7/tfDLigBDmAdC8SaRkdHikUqceV8WHiCE44REwprV8KtKegvzMOxrGMDUAZf5XYVJe2 XKpg== MIME-Version: 1.0 X-Received: by 10.152.209.70 with SMTP id mk6mr24644663lac.13.1396391299428; Tue, 01 Apr 2014 15:28:19 -0700 (PDT) Received: by 10.114.188.129 with HTTP; Tue, 1 Apr 2014 15:28:19 -0700 (PDT) In-Reply-To: <20140401204215.GG17603@dastard> References: <20140401204215.GG17603@dastard> Date: Tue, 1 Apr 2014 18:28:19 -0400 Message-ID: Subject: Re: xfs: invalid requests to request_fn from xfs_repair From: Jamie Pocas X-ASG-Orig-Subj: Re: xfs: invalid requests to request_fn from xfs_repair To: Dave Chinner Cc: xfs@oss.sgi.com Content-Type: multipart/alternative; boundary=001a113802465eb67c04f602affb X-Barracuda-Connect: mail-lb0-f179.google.com[209.85.217.179] X-Barracuda-Start-Time: 1396391300 X-Barracuda-Encrypted: RC4-SHA X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=DKIM_SIGNED, DKIM_VERIFIED, HTML_MESSAGE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4499 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- -0.00 DKIM_VERIFIED Domain Keys Identified Mail: signature passes verification 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature 0.00 HTML_MESSAGE BODY: HTML included in message --001a113802465eb67c04f602affb Content-Type: text/plain; charset=ISO-8859-1 I have to say, thanks very much for the lightning fast response. Comments are inline. I think the punchline is going to end up being that I probably need to learn some more about the effects of O_DIRECT on the I/O path and how it ends up in the request_queue. It's tempting now to regress back to a bio-handling function, do my own merging, and see if I can avoid the problem, but I am stubborn so I will probably stick it out for as long as I can. On Tue, Apr 1, 2014 at 4:42 PM, Dave Chinner wrote: > On Tue, Apr 01, 2014 at 04:16:39PM -0400, Jamie Pocas wrote: > > blk_queue_physical_block_size(q, 512) // should be no surprise > > blk_queue_logical_block_size(q, 512) // should be no surprise > > 512 byte sectors. > > > blk_queue_max_segments(q, 128); /* 128 memory segments (page + > > offset/length pairs) per request! */ > > blk_queue_max_hw_sectors(q, CA_MAX_REQUEST_SECTORS); /* Up to 1024 > sectors > > (512k) per request hard limit in the kernel */ > > blk_queue_max_segment_size(q, CA_MAX_REQUEST_BYTES); /* 512k (1024 > sectors) > > is the hard limit in the kernel */ > > And up to 512KB per IO. > > > While iterating through segments in rq_for_each_segment(), for some > > requests I am seeing some odd behavior. > > > > segment 0: iter.bio->bi_sector = 0, blk_rq_cur_sectors(rq) = 903 // Ok, > > this looks normal > > segment 1: iter.bio->bi_sector = 1023, blk_rq_cur_sectors(rq) = 7 // > > Whoah... this doesn't look right to me > > Seems fine to me. There's absolutely no reason two separate IOs > can't be sub-page sector aligned or discontiguous given the above > configuration. If that's what the getblocks callback returned to the > DIO layer, then that's what you're going to see in the bios... > > I guess my assumption that sectors would be adjacent was invalid, but this is what I have read in ldd3 and other books and seen in some driver examples. So I apologize for my folly and it's another lesson in not believing everything you see on the net. The back half of my driver is really optimized for transferring a single contiguous lba & transfer length pair (ala SCSI WRITE 16 for example). However in desperation, I had changed the driver to support requests like this (with disjoint sector ranges) but it still seemed odd to me that occasionally some requests would even have multiple segments that would *write* the same sectors/lengths. For example I also see requests like the following. Given: rq_data_dir(rq) == 1 (i.e. a write) segment 0: iter.bio->bi_sector = 0, blk_rq_cur_sectors(rq) = 7 // Ok segment 1: iter.bio->bi_sector = 0, blk_rq_cur_sectors(rq) = 7 // Again? segment 2: iter.bio->bi_sector = 0, blk_rq_cur_sectors(rq) = 7 // Yet again? segment 3: iter.bio->bi_sector = 0, blk_rq_cur_sectors(rq) = 7 // Really? ... segment 126: iter.bio->bi_sector = 0, blk_rq_cur_sectors(rq) = 7 // What's going on? // Reminder: segment limit is 128 segment 127: iter.bio->bi_sector = 1023, blk_rq_cur_sectors(rq) = 1 // Haha, bet you though I was going to say sector = 0! This makes sense for reads, since maybe multiple user buffers wanted to read the same sectors at [around] the same time so it batched them in one request (temporal + spatial locality), but it doesn't make a lot of sense to me for writes. That seems inefficient at best. Wouldn't the last write win? Even still, I occasionally see requests with more segments than the max (perhaps I am counting segments wrong too). This was commented on by Jens Axboe years ago here, but still seems to happen on my Ubuntu 12.04 w/ 3.2 kernel occasionally: https://lkml.org/lkml/2009/2/4/465 > You can see with segment 1, that the start sector is *NOT* > > adjacent to the the previous segment's sectors (there's a gap from > > sector 903 through 1022) and that the "sparse" request, for lack > > of a better term, extends beyond the max I/O boundary of 512k. > > Furthermore, this doesn't seem to jibe with what userspace is > > doing, which is a simple 512k read all in one chunk with a single > > userspace address. > > The read syscall is for a byte offset (from the fd, set by lseek) > and a length, not a range of contiguous sectors on the device. That > off/len tuple gets mapped by the underlying filesystem or device > into an sector/len via a getblocks callback in the dio code and the > bios are then built according to the mappings that are returned. So > in many cases the IO that hits the block device looks nothing at all > like the IO that came from userspace. > > In general if I were reading a file I agree 100%, but this was the read call issued by xfs_repair to read the superblock directly from a block device. So I, perhaps wrongly, anticipated straightforward requests or maybe even a single 512k request coming down to the request_fn. I should have mentioned that this was observed while using xfs_repair earlier in the email though, so no offense intended. There's more of the xfs_repair strace in my response to your next comment below. It fails very early as you can imagine when xfs_repair can't read the superblock. > > But when you look at the strace of what xfs_repair is doing, it's just an > > innocuous read of 512k from sector 0. > > > > write(2, "Phase 1 - find and verify superb"..., 40Phase 1 - find and > verify > > superblock... > > ) = 40 > > mmap(NULL, 528384, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, > 0) > > = 0x7f00e2f42000 > > mmap(NULL, 528384, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, > 0) > > = 0x7f00e2ec1000 > > lseek(4, 0, SEEK_SET) = 0 > > read(4, 0x7f00e2ec1200, 524288) = -1 EIO (Input/output error) > > write(2, "superblock read failed, offset 0"..., 61superblock read failed, > > offset 0, size 524288, ag 0, rval -1 > > ) = 61 > > This is mostly meaningless without the command line you used for > xfs_repair and the trace from the open() syscall parameters that > returned fd 4 because we have no idea what the IO context actually > is. > > Yes, sorry about that I was trying to not bloat the thread with all the localizations loading noise. I'm going to try to strip some of those out and post more of the strace below. I *do* see the O_DIRECT flag as expected. Here's the block device being opened. All I did was "xfs_repair -n /dev/tsca0", hence the O_RDONLY flag. open("/dev/tsca0", O_RDONLY|O_DIRECT) = 4 fstat(4, {st_mode=S_IFBLK|0660, st_rdev=makedev(251, 0), ...}) = 0 fstat(4, {st_mode=S_IFBLK|0660, st_rdev=makedev(251, 0), ...}) = 0 ioctl(4, BLKGETSIZE64, 0x7fff8f759270) = 0 ioctl(4, BLKSSZGET, 0x6732e0) = 0 chdir("/home/jpocas/source/xfs/drivers") = 0 brk(0x23f9000) = 0x23f9000 close(3) = 0 getrlimit(RLIMIT_FSIZE, {rlim_cur=RLIM_INFINITY, rlim_max=RLIM_INFINITY}) = 0 open("/usr/share/locale/locale.alias", O_RDONLY|O_CLOEXEC) = 3 fstat(3, {st_mode=S_IFREG|0644, st_size=2570, ...}) = 0 mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f00e2fc2000 read(3, "# Locale name alias data base.\n#"..., 4096) = 2570 read(3, "", 4096) = 0 close(3) = 0 munmap(0x7f00e2fc2000, 4096) = 0 write(2, "Phase 1 - find and verify superb"..., 40Phase 1 - find and verify superblock... ) = 40 mmap(NULL, 528384, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f00e2f42000 mmap(NULL, 528384, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f00e2ec1000 lseek(4, 0, SEEK_SET) = 0 read(4, 0x7f00e2ec1200, 524288) = -1 EIO (Input/output error) write(2, "superblock read failed, offset 0"..., 61superblock read failed, offset 0, size 524288, ag 0, rval -1 ) = 61 write(2, "\nfatal error -- ", 16 fatal error -- ) = 16 write(2, "Input/output error\n", 19Input/output error ) = 19 exit_group(1) = ? > > The reason you see the EIO is because I am failing a request in the > driver > > since it violates the restrictions I set earlier, is non-adjacent, and > so I > > am unable to satisfy it. > > > > *Point 1:* Shouldn't requests contain all segments that are adjacent on > > disk > > Not necessarily, see above. > > Got it. I need to look at the DIO code path in the kernel. > > *Point 2:* If I ignore the incorrect iter.bio->bi_sector, and just > > read/write the request out as if it were adjacent, I xfs_repair reports > > corruption, > > Of course, because you read data from different sectors than was > asked for by the higher layers. > > Sorry, this was just out of desperation and another data point, ridiculous as it may sound. I have been looking at this for a couple weeks now so I am taking wild shots in the dark. > > and sure enough there are inodes which are zeroed out instead > > of having the inode magic 0x494e ( "IN") as expected. So mkfs.xfs, while > > not sending what appear to be illegal requests, is still resulting in > > corruption. > > > > *Point 3:* Interestingly this goes away when I set > > blk_queue_max_segments(q, 1), but this obviously cuts down on clustering, > > and this of course kills performance. Is this indicative of anything in > > particular that I could be doing wrong? > > Probably does, but I can't tell you what it may be... > > > Please cut me some slack when I say something like xfs_repair is > "sending" > > invalid requests. I know that there is the C library, system call > > interface, block layer, etc.. in between, but I just mean to say simply > > that using this tool results in this unexpected behavior. I don't mean to > > point blame at xfs or xfsprogs. If this turns out to be a block layer > > issue, and this posting needs to be sent elsewhere, I apologize and would > > appreciate being pointed in the right direction. > > > > It almost feels like the block layer is splitting the bios up wrongly, is > > corrupting the bvecs, or is introducing a race. What's strange again, is > > that I have only seen this behavior with xfs tools, but not ext3, or ext4 > > and e2fsprogs which has been working for years. It really shouldn't > matter > > Because the XFS tools use direct IO, and the ext tools don't. > Therefore the IO that the different tools pass through are completely > different code paths in the kernel that have different constraints. > e.g. buffered IO will always be page aligned, direct IO can be > sector aligned.... > > That makes sense and I do see that O_DIRECT is being used by both mkfs.xfs and xfs_repair. I guess I am off to investigate the O_DIRECT code path. --001a113802465eb67c04f602affb Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable
I have to say, thanks very much for the lightning fast res= ponse. Comments are inline. I think the punchline is going to end up being = that I probably need to learn some more about the effects of O_DIRECT on th= e I/O path and how it ends up in the request_queue. It's tempting now t= o regress back to a bio-handling function, do my own merging, and see if I = can avoid the problem, but I am stubborn so I will probably stick it out fo= r as long as I can.

On Tue, Apr 1, 2014 at 4:42 PM, Dave Chinner= <david@fromorbit.com> wrote:
On Tue, Apr 01, 2014 at 04:16:39PM -0400, Jamie Pocas wrote= :
> blk_queue_physical_block_size(q, 512) // should be no surprise > blk_queue_logical_block_size(q, 512) // should be no surprise

512 byte sectors.

> blk_queue_max_segments(q, 128); /* 128 memory segments (page +
> offset/length pairs) per request! */
> blk_queue_max_hw_sectors(q, CA_MAX_REQUEST_SECTORS); /* Up to 1024 sec= tors
> (512k) per request hard limit in the kernel */
> blk_queue_max_segment_size(q, CA_MAX_REQUEST_BYTES); /* 512k (1024 sec= tors)
> is the hard limit in the kernel */

And up to 512KB per IO.

> While iterating through segments in rq_for_each_segment(), for some > requests I am seeing some odd behavior.
>
> segment 0: iter.bio->bi_sector =3D 0, blk_rq_cur_sectors(rq) =3D 90= 3 =A0 // Ok,
> this looks normal
> segment 1: iter.bio->bi_sector =3D 1023, blk_rq_cur_sectors(rq) =3D= 7 //
> Whoah... this doesn't look right to me

Seems fine to me. There's absolutely no reason two separate IOs can't be sub-page sector aligned or discontiguous given the above
configuration. If that's what the getblocks callback returned to the DIO layer, then that's what you're going to see in the bios...


I guess my assum= ption that sectors would be adjacent was invalid, but this is what I have r= ead in ldd3 and other books and seen in some driver examples. So I apologiz= e for my folly and it's another lesson in not believing everything you = see on the net. The back half of my driver is really optimized for transfer= ring a single contiguous lba & transfer length pair (ala SCSI WRITE 16 = for example). However in desperation, I had changed the driver to support r= equests like this (with disjoint sector ranges) but it still seemed odd to = me that occasionally some requests would even have multiple segments that w= ould *write* the same sectors/lengths. For example I also see requests like= the following.

Given: rq_data_dir(rq) =3D=3D 1 (i.e. a write)
segment =A0 0: iter.bio->bi_sector =3D 0, blk_rq_cur_sectors(rq) = =3D 7 =A0 =A0// Ok
segment =A0 1: iter.bio->bi_sector =3D 0, b= lk_rq_cur_sectors(rq) =3D 7 =A0 =A0// Again?
segment =A0 2: iter.bio->bi_sector =3D 0, blk_rq_cur_sectors(rq) = =3D 7 =A0 =A0// Yet again?
segment =A0 3: iter.bio->bi_sector = =3D 0, blk_rq_cur_sectors(rq) =3D 7 =A0 =A0// Really?
...
segment 126: iter.bio->bi_sector =3D 0, blk_rq_cur_sectors(rq) =3D 7 = =A0 =A0// What's going on?
// Reminder: segment limit is 128
segment 127: iter.bio->= bi_sector =3D 1023, blk_rq_cur_sectors(rq) =3D 1 // Haha, bet you though I = was going to say sector =3D 0!

This makes se= nse for reads, since maybe multiple user buffers wanted to read the same se= ctors at [around] the same time so it batched them in one request (temporal= + spatial locality), but it doesn't make a lot of sense to me for writ= es. That seems inefficient at best. Wouldn't the last write win?

Even still, I occasionally see requests with more segme= nts than the max (perhaps I am counting segments wrong too). This was comme= nted on by Jens Axboe years ago here, but still seems to happen on my Ubunt= u 12.04 w/ 3.2 kernel occasionally:=A0https://lkml.org/lkml/2009/2/4/465

> You can see with segment 1, that the start sector is *NOT*
> adjacent to the the previous segment's sectors (there's a gap = from
> sector 903 through 1022) and that the "sparse" request, for = lack
> of a better term, extends beyond the max I/O boundary of 512k.
> Furthermore, this doesn't seem to jibe with what userspace is
> doing, which is a simple 512k read all in one chunk with a single
> userspace address.

The read syscall is for a byte offset (from the fd, set by lseek)
and a length, not a range of contiguous sectors on the device. That
off/len tuple gets mapped by the underlying filesystem or device
into an sector/len via a getblocks callback in the dio code and the
bios are then built according to the mappings that are returned. So
in many cases the IO that hits the block device looks nothing at all
like the IO that came from userspace.


In general if I = were reading a file I agree 100%, but this was the read call issued by xfs_= repair to read the superblock directly from a block device. So I, perhaps w= rongly, anticipated straightforward requests or maybe even a single 512k re= quest coming down to the request_fn. I should have mentioned that this was = observed while using xfs_repair earlier in the email though, so no offense = intended. There's more of the xfs_repair strace in my response to your = next comment below. It fails very early as you can imagine when xfs_repair = can't read the superblock.


> But when you look at the strace of what xfs_repair is doing, it's = just an
> innocuous read of 512k from sector 0.
>
> write(2, "Phase 1 - find and verify superb"..., 40Phase 1 - = find and verify
> superblock...
> ) =3D 40
> mmap(NULL, 528384, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1= , 0)
> =3D 0x7f00e2f42000
> mmap(NULL, 528384, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1= , 0)
> =3D 0x7f00e2ec1000
> lseek(4, 0, SEEK_SET) =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =3D 0
> read(4, 0x7f00e2ec1200, 524288) =A0 =A0 =A0 =A0 =3D -1 EIO (Input/outp= ut error)
> write(2, "superblock read failed, offset 0"..., 61superblock= read failed,
> offset 0, size 524288, ag 0, rval -1
> ) =3D 61

This is mostly meaningless without the command line you used for
xfs_repair and the trace from the open() syscall parameters that
returned fd 4 because we have no idea what the IO context actually
is.


Yes, sorry about= that I was trying to not bloat the thread with all the localizations loadi= ng noise. I'm going to try to strip some of those out and post more of = the strace below. I *do* see the O_DIRECT flag as expected. Here's the = block device being opened. All I did was "xfs_repair -n /dev/tsca0&quo= t;, hence the O_RDONLY flag.

open("/dev/tsca0", O_RDONLY|O_DIRECT) = =A0 =3D 4
fstat(4, {st_mode=3DS_IFBLK|0660, st_rdev=3Dmakedev(251= , 0), ...}) =3D 0
fstat(4, {st_mode=3DS_IFBLK|0660, st_rdev=3Dmak= edev(251, 0), ...}) =3D 0
ioctl(4, BLKGETSIZE64, 0x7fff8f759270) =A0=3D 0
ioctl(4, BLK= SSZGET, 0x6732e0) =A0 =A0 =A0 =A0 =A0 =3D 0
chdir("/home/jpo= cas/source/xfs/drivers") =3D 0
brk(0x23f9000) =A0 =A0 =A0 = =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0=3D 0x23f9000
close(3) =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 = =A0=3D 0
getrlimit(RLIMIT_FSIZE, {rlim_cur=3DRLIM_INFINITY, rlim_= max=3DRLIM_INFINITY}) =3D 0
open("/usr/share/locale/locale.a= lias", O_RDONLY|O_CLOEXEC) =3D 3
fstat(3, {st_mode=3DS_IFREG|0644, st_size=3D2570, ...}) =3D 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = =3D 0x7f00e2fc2000
read(3, "# Locale name alias data base.\n= #"..., 4096) =3D 2570
read(3, "", 4096) =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 = =A0 =3D 0
close(3) =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 = =A0 =A0 =A0 =A0 =A0=3D 0
munmap(0x7f00e2fc2000, 4096) =A0 =A0 =A0= =A0 =A0 =A0=3D 0
write(2, "Phase 1 - find and verify superb= "..., 40Phase 1 - find and verify superblock...
) =3D 40
mmap(NULL, 528384, PROT_READ|PROT_WRITE, MAP_= PRIVATE|MAP_ANONYMOUS, -1, 0) =3D 0x7f00e2f42000
mmap(NULL, 52838= 4, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =3D 0x7f00e2ec10= 00
lseek(4, 0, SEEK_SET) =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =3D 0
<= div>read(4, 0x7f00e2ec1200, 524288) =A0 =A0 =A0 =A0 =3D -1 EIO (Input/outpu= t error)
write(2, "superblock read failed, offset 0"...= , 61superblock read failed, offset 0, size 524288, ag 0, rval -1
) =3D 61
write(2, "\nfatal error -- ", 16
fatal error -- ) =A0 =A0 =A0 =3D 16
write(2, "Input/ou= tput error\n", 19Input/output error
) =A0 =A0=3D 19
exit_group(1) =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =3D ?

=A0
> The reason you see the EIO is because I am failing a request in the dr= iver
> since it violates the restrictions I set earlier, is non-adjacent, and= so I
> am unable to satisfy it.
>
> *Point 1:* Shouldn't requests contain all segments that are = adjacent on
> disk

Not necessarily, see above.


Got it. I need to look at the DIO code= path in the kernel.
=A0
> *Point 2:* If I ignore the incorrect iter.bio->bi_sector, and just<= br>
> read/write the request out as if it were adjacent, I x= fs_repair reports
> corruption,

Of course, because you read data from different sectors than was
asked for by the higher layers.


Sorry, this was = just out of desperation and another data point, ridiculous as it may sound.= I have been looking at this for a couple weeks now so I am taking wild sho= ts in the dark.
=A0
> and sure enough there are inodes which are zeroed out instead
> of having the inode magic 0x494e ( "IN") as expected. So mkf= s.xfs, while
> not sending what appear to be illegal requests, is still resulting in<= br> > corruption.
>
> *Point 3:* Interestingly this goes away when I set
> blk_queue_max_segments(q, 1), but this obviously cuts = down on clustering,
> and this of course kills performance. Is this indicative of anything i= n
> particular that I could be doing wrong?

Probably does, but I can't tell you what it may be...

> Please cut me some slack when I say something like xfs_repair is "= ;sending"
> invalid requests. I know that there is the C library, system call
> interface, block layer, etc.. in between, but I just mean to say simpl= y
> that using this tool results in this unexpected behavior. I don't = mean to
> point blame at xfs or xfsprogs. If this turns out to be a block layer<= br> > issue, and this posting needs to be sent elsewhere, I apologize and wo= uld
> appreciate being pointed in the right direction.
>
> It almost feels like the block layer is splitting the bios up wrongly,= is
> corrupting the bvecs, or is introducing a race. What's strange aga= in, is
> that I have only seen this behavior with xfs tools, but not ext3, or e= xt4
> and e2fsprogs which has been working for years. It really shouldn'= t matter

Because the XFS tools use direct IO, and the ext tools don't.
Therefore the IO that the different tools pass through are completely
different code paths in the kernel that have different constraints.
e.g. buffered IO will always be page aligned, direct IO can be
sector aligned....


That makes sense and I do see that O_D= IRECT is being used by both mkfs.xfs and xfs_repair. I guess I am off to in= vestigate the O_DIRECT code path.
--001a113802465eb67c04f602affb-- From david@fromorbit.com Tue Apr 1 17:28:40 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 9F9B37F58 for ; Tue, 1 Apr 2014 17:28:40 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 88EEE30405F for ; Tue, 1 Apr 2014 15:28:40 -0700 (PDT) X-ASG-Debug-ID: 1396391318-04cb6c5677bc84f0001-NocioJ Received: from ipmail07.adl2.internode.on.net (ipmail07.adl2.internode.on.net [150.101.137.131]) by cuda.sgi.com with ESMTP id 4F8a5bRN5krUwvte for ; Tue, 01 Apr 2014 15:28:38 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.131 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AlsGAJM8O1N5LEcv/2dsb2JhbABZDoJ4vxCFXYEdF3SCJQEBAQMBOhweBQULCAMYCSUPBSUDIRMbh1YH0F0XFo14EQFQB4Q4BJRqg2uSOoFxf1QpgTU Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail07.adl2.internode.on.net with ESMTP; 02 Apr 2014 08:58:37 +1030 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WV7AN-000598-RI; Wed, 02 Apr 2014 09:28:23 +1100 Date: Wed, 2 Apr 2014 09:28:23 +1100 From: Dave Chinner To: Theodore Ts'o Cc: Sedat Dilek , lsf@lists.linux-foundation.org, linux-ext4@vger.kernel.org, linux-fsdevel@vger.kernel.org, xfs@oss.sgi.com Subject: Re: [Lsf] [PATCH] xfstests-bld: Simplify determination of number of CPUs in build-all Message-ID: <20140401222823.GJ17603@dastard> X-ASG-Orig-Subj: Re: [Lsf] [PATCH] xfstests-bld: Simplify determination of number of CPUs in build-all References: <1395997399-3000-1-git-send-email-sedat.dilek@gmail.com> <20140328161806.GA31772@thunk.org> <20140331025148.GF16336@dastard> <20140401023711.GE4911@thunk.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140401023711.GE4911@thunk.org> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail07.adl2.internode.on.net[150.101.137.131] X-Barracuda-Start-Time: 1396391318 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4499 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Mon, Mar 31, 2014 at 10:37:11PM -0400, Theodore Ts'o wrote: > On Mon, Mar 31, 2014 at 01:51:48PM +1100, Dave Chinner wrote: > > > especially given that based on a challenge which > > > Greg K-H gave us at the kernel pannel at Collab Summit, > > ^^^^ > > > > Hmmmm. Not the way I remember it. Perhaps I should go look at the > > video and check that Greg was addressing me directly as the xfstests > > maintainer with those comments. After all, those lights on stage can > > be blinding..... > > Sorry, I thought in the discussions we had afterwards you agreed with > me that *some* way of running xfststs easily was going to be a > requirement, as it is somewhat doubtful that most non-file system > developers will have the patience to deal with the "some assembly > required" in order to actually run xfstests, and actually putting > xfstests into the kernel sources wasn't going to be particularly > useful unless we have some way of making it possible to run the tests > in a semi-automated fashion. Right, there was follup discussion about how we could potentially acheive what Greg wanted, but it was more of a "we've got pieces that we might be able to leverage" discussion than anything else. > Whether that method is based on what I have in xfstests-bld, or some > other way is I agree certainly up for discussion. At the moment the > system I have is only set up for ext4, although I will happily accept > patches and work with other file system developers to enhance it so it > can work with other file systems. Right, that's pretty much where we finished the discussion at the collab summit ;) But that this is why I responded to your previous email - while you likely had the best of intentions, you gave the impression that xfstests-bld type of solution was fait accompli, when in fact we haven't even really started defining the problem space and gathering requirements yet... > And of course, whether changes in the mainline kernel tree are > manually propagated changes from the xfstests.git tree, or whether > primary development happens in the kernel tree, is ultimately going to > be up to you and the XFS developers who have stewardship of xfstests. > I'm not sure I would be that excited about manual propagation of > changes from one git tree to another, but that is of course, up to > you. And this is exactly my point, Ted. Again, you are presuming that the implementation is going to require syncing commits across disparate git trees and other such games will be needed to maintain separate packages. Nothing could be further from the truth: we already have this problem with the shared XFS kernel/userspace code and it's a royal PITA keeping them in sync. Hence introducing the same maintenance problem with new code and infrastructure is highly undesirable and something we'll try to avoid at all costs. Basically, we need to start with a proposal that outlines what we need in the kernel tree for testing filesystems in place and go from there. Once we've agreed on the big picture stuff and solved the maintenance, packaging and "how do we run in place" architectural issues, then we can start working on the implementation. I'm hoping to write something up in the next week or two to being the process and discussions, because I'm sure the -stable folk will have some input on what they would like to be able to do.... :) Cheers, Dave. -- Dave Chinner david@fromorbit.com From hannes@stressinduktion.org Tue Apr 1 18:03:15 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id B35B97F61 for ; Tue, 1 Apr 2014 18:03:15 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id 876A830405F for ; Tue, 1 Apr 2014 16:03:12 -0700 (PDT) X-ASG-Debug-ID: 1396393390-04cbb054b99dfd60001-NocioJ Received: from order.stressinduktion.org (order.stressinduktion.org [87.106.68.36]) by cuda.sgi.com with ESMTP id uGIiV0rlZwSOWCeu (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Tue, 01 Apr 2014 16:03:10 -0700 (PDT) X-Barracuda-Envelope-From: hannes@stressinduktion.org X-Barracuda-Apparent-Source-IP: 87.106.68.36 Received: by order.stressinduktion.org (Postfix, from userid 500) id 92E131A0C25C; Wed, 2 Apr 2014 01:03:09 +0200 (CEST) Date: Wed, 2 Apr 2014 01:03:09 +0200 From: Hannes Frederic Sowa To: xfs@oss.sgi.com Cc: david@fromorbit.com, tinguely@sgi.com Subject: [PATCH v2 xfstests] add tests for unlinking directories with hash collisions Message-ID: <20140401230309.GC16157@order.stressinduktion.org> X-ASG-Orig-Subj: [PATCH v2 xfstests] add tests for unlinking directories with hash collisions References: <20140327074156.GJ29498@order.stressinduktion.org> <20140401184903.GA13434@order.stressinduktion.org> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20140401184903.GA13434@order.stressinduktion.org> X-Barracuda-Connect: order.stressinduktion.org[87.106.68.36] X-Barracuda-Start-Time: 1396393390 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4500 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- Mark Tinguely says: This tests use the XFS hash routine to create several directories that all have the same small (64) group of hashes. Commit f5ea110 ("xfs: add CRCs to dir2/da node) added a hash ordering regression and this test make sure the directory name hash order is preserved. Sample backtrace this test tries to prevent in future: [ 3856.245843] XFS (vda1): Internal error xfs_trans_cancel at line 966 of file fs/xfs/xfs_trans.c. Caller 0xffffffffa01186bc [ 3856.249049] CPU: 1 PID: 866 Comm: rm Not tainted 3.13.6-200.fc20.x86_64 #1 [ 3856.250966] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3856.252615] 000000000000000c ffff8800d23a7d68 ffffffff8168730c ffff8800cf5462b8 [ 3856.254823] ffff8800d23a7d80 ffffffffa00d00cb ffffffffa01186bc ffff8800d23a7da8 [ 3856.257241] ffffffffa00e5459 ffff8800d9ac3400 ffff8800d23a7e30 ffff8800371b6800 [ 3856.259420] Call Trace: [ 3856.260172] [] dump_stack+0x45/0x56 [ 3856.261717] [] xfs_error_report+0x3b/0x40 [xfs] [ 3856.263472] [] ? xfs_remove+0x1ac/0x370 [xfs] [ 3856.270838] [] xfs_trans_cancel+0xd9/0x100 [xfs] [ 3856.272783] [] xfs_remove+0x1ac/0x370 [xfs] [ 3856.274531] [] xfs_vn_unlink+0x4b/0x90 [xfs] [ 3856.276286] [] vfs_rmdir+0xa8/0x100 [ 3856.277821] [] do_rmdir+0x17d/0x1d0 [ 3856.281021] [] ? ____fput+0xe/0x10 [ 3856.285261] [] ? task_work_run+0xac/0xe0 [ 3856.286952] [] ? do_notify_resume+0x61/0xa0 [ 3856.288693] [] SyS_unlinkat+0x25/0x40 [ 3856.290407] [] system_call_fastpath+0x16/0x1b [ 3856.292685] XFS (vda1): xfs_do_force_shutdown(0x8) called from line 967 of file fs/xfs/xfs_trans.c. Return address = 0xffffffffa00e5472 [ 3856.627330] XFS (vda1): Corruption of in-memory data detected. Shutting down filesystem [ 3856.627332] XFS (vda1): Please umount the filesystem and rectify the problem(s) With help from Mark Tinguely, thanks very much! Cc: Dave Chinner Cc: Mark Tinguely Signed-off-by: Hannes Frederic Sowa --- .gitignore | 1 + src/Makefile | 2 +- src/generate-hash-collision.c | 223 ++++++++++++++++++++++++++++++++++++++++++ tests/xfs/307 | 63 ++++++++++++ tests/xfs/307.out | 28 ++++++ tests/xfs/group | 1 + 6 files changed, 317 insertions(+), 1 deletion(-) create mode 100644 src/generate-hash-collision.c create mode 100755 tests/xfs/307 create mode 100644 tests/xfs/307.out diff --git a/.gitignore b/.gitignore index b6f2463..049f2e0 100644 --- a/.gitignore +++ b/.gitignore @@ -50,6 +50,7 @@ /src/fsync-tester /src/ftrunc /src/genhashnames +/src/generate-hash-collision /src/getdevicesize /src/getpagesize /src/godown diff --git a/src/Makefile b/src/Makefile index 6509f2d..1e9ec61 100644 --- a/src/Makefile +++ b/src/Makefile @@ -11,7 +11,7 @@ TARGETS = dirstress fill fill2 getpagesize holes lstat64 \ devzero feature alloc fault fstest t_access_root \ godown resvtest writemod makeextents itrash rename \ multi_open_unlink dmiperf unwritten_sync genhashnames t_holes \ - t_mmap_writev t_truncate_cmtime + t_mmap_writev t_truncate_cmtime generate-hash-collision LINUX_TARGETS = xfsctl bstat t_mtab getdevicesize preallo_rw_pattern_reader \ preallo_rw_pattern_writer ftrunc trunc fs_perms testx looptest \ diff --git a/src/generate-hash-collision.c b/src/generate-hash-collision.c new file mode 100644 index 0000000..76c7b3e --- /dev/null +++ b/src/generate-hash-collision.c @@ -0,0 +1,223 @@ +/* + * Generates files or directories with hash collisions on a XFS filesystem + * Copyright (C) 2014 Hannes Frederic Sowa + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + */ + +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include + +static enum { + ILLEGAL, + DIRECTORY, + FILENAME, +} touch_mode = ILLEGAL; + +static bool one_hash = false; + +static uint32_t rol32(uint32_t word, unsigned int shift) +{ + return (word << shift) | (word >> (32 - shift)); +} + +static uint32_t xfs_da_hashname(const uint8_t *name, int namelen) +{ + uint32_t hash; + + for (hash = 0; namelen >= 4; namelen -= 4, name += 4) + hash = (name[0] << 21) ^ (name[1] << 14) ^ (name[2] << 7) ^ + (name[3] << 0) ^ rol32(hash, 7 * 4); + + if (namelen) { + fprintf(stderr, + "internal error: " + "misbalanced input buffer to xfs_da_hashname - " + "overlapping %d bytes\n", namelen); + exit(1); + } + + return hash; +} + +static uint8_t gen_rand(void) +{ + uint8_t r; + while (!(r = rand())); + return r; +} + +static uint8_t buffer[252+1] = {0}; + +static void gen_name(void) +{ + int idx; + uint32_t hash, last; + +again: + for (idx = 0; idx < 252-4; idx+=4) { + buffer[idx + 0] = gen_rand(); + buffer[idx + 1] = gen_rand(); + buffer[idx + 2] = gen_rand(); + buffer[idx + 3] = gen_rand(); + } + + hash = rol32(xfs_da_hashname(buffer, 248), 7 * 4); + last = hash ^ ~0U; + + if (last == 0) + goto again; + + buffer[idx + 0] = (last >> 21) & 0xff; + buffer[idx + 1] = (last >> 14) & 0xff; + buffer[idx + 2] = (last >> 7) & 0xff; + buffer[idx + 3] = last & 0xff; + + if (memchr(buffer, '.', sizeof(buffer)) || + memchr(buffer, '/', sizeof(buffer))) + goto again; + + if (one_hash) { + /* very poor - can be improved later */ + static bool done = false; + static uint32_t filter; + + if (!done) { + filter = xfs_da_hashname(buffer, 252); + done = true; + return; + } + + if (filter != xfs_da_hashname(buffer, 252)) + goto again; + } +} + +static int touch(const char *buffer) +{ + if (touch_mode == DIRECTORY) { + if (mkdir(buffer, S_IRWXU)) { + /* ignore if directory is already present */ + if (errno == EEXIST) + return 0; + perror("mkdir with random directory name"); + return 1; + } + } else if (touch_mode == FILENAME) { + int fd = creat(buffer, S_IRWXU); + if (fd == -1) { + /* ignore duplicate files */ + if (errno == EEXIST) + return 0; + perror("creat with random directory name"); + return 1; + } + if (close(fd)) { + perror("close is leaking a file descriptor"); + return 1; + } + return 0; + } + return 0; +} + +static void do_seed(void) +{ + struct timeval tv; + if (gettimeofday(&tv, NULL)) { + perror("gettimeofday"); + exit(1); + } + srand(tv.tv_sec ^ tv.tv_usec ^ getpid()); +} + +static void usage_and_exit(const char *pname) +{ + fprintf(stderr, "usage: %s [-d] [-f] [-n num] [-s] directory\n" + "\t-f\tcreate files (the default)\n" + "\t-d\tcreate directories\n" + "\t-n num\tcreate num directories or files (default 200000)\n" + "\t-s\tonly generate one hash\n" + "\tdirectory\tthe directory to chdir() to\n", + pname); + exit(1); +} + +int main(int argc, char **argv) +{ + const char allopts[] = "hsdfn:"; + int c, orig_cycles, errors = 0, cycles = 200000; + + while ((c = getopt(argc, argv, allopts)) != -1) { + switch (c) { + case 'd': + if (touch_mode != ILLEGAL) + usage_and_exit(argv[0]); + touch_mode = DIRECTORY; + break; + case 'f': + if (touch_mode != ILLEGAL) + usage_and_exit(argv[0]); + touch_mode = FILENAME; + break; + case 'n': + errno = 0; + if (sscanf(optarg, "%d", &cycles) != 1 || + errno == ERANGE) { + fputs("could not parse number of iterations", stderr); + exit(1); + } + break; + case 's': + one_hash = true; + break; + default: + usage_and_exit(argv[0]); + break; + } + } + + if (argc <= optind || touch_mode == ILLEGAL) + usage_and_exit(argv[0]); + + if (chdir(argv[optind])) { + perror("chdir"); + exit(1); + } + + orig_cycles = cycles; + + do_seed(); + + while (cycles--) { + gen_name(); + errors += touch((char *)buffer); + } + + if (errors) + fprintf(stderr, "creating %d %s caused %d errors\n", + orig_cycles, touch_mode == FILENAME ? "files" : "directories", + errors); + + return 0; +} diff --git a/tests/xfs/307 b/tests/xfs/307 new file mode 100755 index 0000000..b31cc13 --- /dev/null +++ b/tests/xfs/307 @@ -0,0 +1,63 @@ +#! /bin/bash +# FS QA Test No. 307 +# +# Test that directory hash entries are place in the correct order. +# commit f5ea110 ("xfs: add CRCs to dir2/da node blocks") left the +# directory with incorrect hash ordering. +# +#----------------------------------------------------------------------- +# Copyright (c) 2014 Hannes Frederic Sowa. All Rights Reserved. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it would be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write the Free Software Foundation, +# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +#----------------------------------------------------------------------- +# + +seq=`basename $0` +seqres=$RESULT_DIR/$seq +echo "QA output created by $seq" + +here=`pwd` +tmp=/tmp/$$ +status=1 # failure is the default! +trap "_cleanup; exit \$status" 0 1 2 3 15 + +_cleanup() +{ + cd / + rm -f $tmp.* +} + +# get standard environment, filters and checks +. ./common/rc +. ./common/filter +. ./common/repair + +# real QA test starts here + +_supported_fs xfs +_supported_os Linux +_require_scratch + +_scratch_mkfs_xfs | _filter_mkfs 2>$tmp.mkfs +_scratch_mount | _filter_scratch + +mkdir $SCRATCH_MNT/x +$here/src/generate-hash-collision -d -n 200000 $SCRATCH_MNT/x +umount $SCRATCH_MNT 2>&1 | _filter_scratch + +_scratch_xfs_repair 2>&1 | _filter_repair + +# success, all done +status=0 +exit diff --git a/tests/xfs/307.out b/tests/xfs/307.out new file mode 100644 index 0000000..eaf5716 --- /dev/null +++ b/tests/xfs/307.out @@ -0,0 +1,28 @@ +QA output created by 307 +meta-data=DDEV isize=XXX agcount=N, agsize=XXX blks +data = bsize=XXX blocks=XXX, imaxpct=PCT + = sunit=XXX swidth=XXX, unwritten=X +naming =VERN bsize=XXX +log =LDEV bsize=XXX blocks=XXX +realtime =RDEV extsz=XXX blocks=XXX, rtextents=XXX +Phase 1 - find and verify superblock... +Phase 2 - using log + - zero log... + - scan filesystem freespace and inode maps... + - found root inode chunk +Phase 3 - for each AG... + - scan and clear agi unlinked lists... + - process known inodes and perform inode discovery... + - process newly discovered inodes... +Phase 4 - check for duplicate blocks... + - setting up duplicate extent list... + - check for inodes claiming duplicate blocks... +Phase 5 - rebuild AG headers and trees... + - reset superblock... +Phase 6 - check inode connectivity... + - resetting contents of realtime bitmap and summary inodes + - traversing filesystem ... + - traversal finished ... + - moving disconnected inodes to lost+found ... +Phase 7 - verify and correct link counts... +done diff --git a/tests/xfs/group b/tests/xfs/group index ba34650..a1ef7f9 100644 --- a/tests/xfs/group +++ b/tests/xfs/group @@ -189,3 +189,4 @@ 304 auto quick quota 305 auto quota 306 auto stress log metadata repair +307 auto dir -- 1.9.0 From bfoster@redhat.com Tue Apr 1 19:02:57 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id E2B8F7F63 for ; Tue, 1 Apr 2014 19:02:57 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id 9010B8F8065 for ; Tue, 1 Apr 2014 17:02:54 -0700 (PDT) X-ASG-Debug-ID: 1396396972-04bdf05dabbf7d10001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id Dh2y2E3O7YzZrWs4 for ; Tue, 01 Apr 2014 17:02:52 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx02.intmail.prod.int.phx2.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s31NKP6x026051 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Tue, 1 Apr 2014 19:20:26 -0400 Received: from bfoster.bfoster ([10.18.41.237]) by int-mx02.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id s31NKPEL016900; Tue, 1 Apr 2014 19:20:25 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id 8E2ED123C1C; Tue, 1 Apr 2014 19:20:23 -0400 (EDT) Date: Tue, 1 Apr 2014 19:20:23 -0400 From: Brian Foster To: Dave Chinner Cc: xfs@oss.sgi.com Subject: Re: [PATCH 4/5] xfs: run an eofblocks scan on ENOSPC/EDQUOT Message-ID: <20140401232022.GA15934@bfoster.bfoster> X-ASG-Orig-Subj: Re: [PATCH 4/5] xfs: run an eofblocks scan on ENOSPC/EDQUOT References: <1396012563-60973-1-git-send-email-bfoster@redhat.com> <1396012563-60973-5-git-send-email-bfoster@redhat.com> <20140331222246.GF17603@dastard> <20140401135518.GC21540@bfoster.bfoster> <20140401211926.GH17603@dastard> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140401211926.GH17603@dastard> User-Agent: Mutt/1.5.21 (2010-09-15) X-Scanned-By: MIMEDefang 2.67 on 10.5.11.12 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1396396972 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Wed, Apr 02, 2014 at 08:19:26AM +1100, Dave Chinner wrote: > On Tue, Apr 01, 2014 at 09:55:18AM -0400, Brian Foster wrote: > > On Tue, Apr 01, 2014 at 09:22:47AM +1100, Dave Chinner wrote: > > > On Fri, Mar 28, 2014 at 09:16:02AM -0400, Brian Foster wrote: > > ... > > > > /* > > > > - * If we just got an ENOSPC, try to write back all dirty inodes to > > > > - * convert delalloc space to free up some of the excess reserved > > > > - * metadata space. > > > > + * If we hit ENOSPC or a quota limit, use the selective nature of the > > > > + * eofblocks scan to try and free up some lingering speculative > > > > + * preallocation delalloc blocks. > > > > + * > > > > + * If we hit a quota limit, only scan for files covered by the quota. We > > > > + * also consider ENOSPC here because project quota failure can return > > > > + * ENOSPC instead of EDQUOT. The quota scanning only sets 'scanned' if > > > > + * the inode is covered by a quota with low free space. This should > > > > + * minimize interference with global ENOSPC handling. > > > > + * > > > > + * If a scan does not free enough space, resort to the inode flush big > > > > + * hammer to convert delalloc space to free up some of the excess > > > > + * reserved metadata space. > > > > */ > > > > + if ((ret == -EDQUOT || ret == -ENOSPC) && !scanned) { > > > > + scanned = xfs_inode_free_quota_eofblocks(ip); > > > > + if (scanned) > > > > + goto write_retry; > > > > + } > > > > + if (ret == -ENOSPC && !scanned) { > > > > + struct xfs_eofblocks eofb = {0,}; > > > > > > IIRC, you can just use "{ 0 }" for initialisation, no "," needed. > > > > > > > + > > > > + eofb.eof_scan_owner = ip->i_ino; /* for locking */ > > > > + eofb.eof_flags = XFS_EOF_FLAGS_SYNC | XFS_EOF_FLAGS_FLUSH; > > > > + xfs_icache_free_eofblocks(ip->i_mount, &eofb); > > > > + scanned = 1; > > > > + goto write_retry; > > > > + } > > > > if (ret == -ENOSPC && !enospc) { > > > > enospc = 1; > > > > xfs_flush_inodes(ip->i_mount); > > > > > > This seems overly complex and fragile. I'd much prefer that we don't > > > bury data writeback deep in the EOF block freeing code - we've done > > > a lot of work in the past to remove exactly that sort of behaviour > > > from XFS inode scanners. > > > > I think the fragility comes from the fact that we can't detect a > > particular quota failure or a project quota failure from a global > > failure. IIRC from looking at this way back when, there wasn't a clear > > solution to that problem. It didn't seem worth getting too far into for > > the purpose of this little bit of functionality. In that sense, the > > fragility will be there regardless. > > > > It would be nice to simplify this, however. It took a little bit of > > staring at this to try and make it effective and somewhat succinct. > > > > > I'd prefer to see something like this: > > > > > > if (ret == -EDQUOT && !enospc) { > > > enospc = 1; > > > xfs_inode_free_quota_eofblocks(ip); > > > goto retry; > > > else if (ret == -ENOSPC && !enospc) { > > > enospc = 1; > > > xfs_flush_inodes(ip->i_mount); > > > .... > > > xfs_icache_free_eofblocks(ip->i_mount, &eofb); > > > goto retry; > > > } > > > > > > > What I don't like about this, in particular, is xfs_flush_inodes() could > > be unnecessary. We have a max preallocation size of 8GB, so the > > eofblocks scan alone can free up gigabytes of space. Now that I think of > > it, this is kind of a flaw in the proposed logic as well. > > The issue is that an eofblock scan is expensive, and there's no > limiting on how many inodes can have the EOF tag set and there's no > limiting on the number of concurrent scans that can be run. i.e. > when an active project that has many processes writing to it runs > out of space, every process will enter xfs_icache_free_eofblocks() > function and start issuing data flush requests on dirty inodes. It > causes unbound writeback concurrency, and we know that this is a bad > thing to do to your storage... > > xfs_flush_inodes() only runs one scan of the currently dirty > inodes at a time because it serialises on the flusher thread. We get > optimised writeback patterns rather than random data writeback from > as many threads hitting the eofblocks scanner at once. History has > shown that this is the most efficient way to clean dirty data - > optimise once and in the correct place, then use it everywhere. > Ok. I've been waffling on whether the eofblocks scan does/needs to do the flush, including whether there is any value of it being "selective." This suggests otherwise. In particular, that one big flush is better than many smaller/selective flushes. So we can just toss the project quota eofblocks flush. I'll drop the first couple patches for the flush mechanism. > Yes, it means that there is a global flush when a project quota runs > out of space, but it means that we only do it once and we don't burn > excessive CPU walking radix trees scanning inodes needlessly every > time we get a storm of processes hammering project quota ENOSPC. > It's not clear to me that excess scanning is an issue, but it seems orthogonal to how we organize the enospc logic (at least once the flush is out of the equation). IOW, we'll invoke the scanner with the same frequency either way. Or maybe you are just referring to scanning specifically for the purpose of doing flushes as a waste..? That said, I'll do some testing in this area to try and detect any potential issues. > FWIW, if we want to filter the list of dirty inodes to writeback, we > should look at providing a filter callback to the generic inode code > that gets called on each dirty inode. That way we can use the > optimised writeback code to quickly find and dispatch only the dirty > inodes that match the quota id we are having problems with.... > > > > This way has specific behaviours for EDQUOT vs ENOSPC, and we treat > > > them appropriately with a minimum of differences. And ENOSPC is > > > global, because we can't tell the difference here between a project > > > quota ENOSPC and a global ENOSPC at this point. > > > > > > > The main difference I see is that the original logic is centered around > > figuring out how to do an eofblocks scan vs. xfs_flush_inodes() only > > when necessary. In other words, we always attempt to do an eofblocks > > scan first then fall back to the inode flush. Where it gets a bit ugly > > is where we try to determine what kind of scan to run due to lack of > > information. The flush aspect of things is a little confused as well I > > suppose. > > > > Alternatively, the logic above is designed around categorization of the > > possible error conditions. I agree that it is more simple, but not quite > > as effective as noted above. We would continue to run a global inode > > flush when eofblocks can clean up effectively for the time being or due > > to a project quota failure that should ideally not impact the wider fs. > > Sure, but we've found in the past that just issuing a global flush > is far better from both the CPU and IO efficiency POV than > concurrent inode cache scans to find matching dirty inodes and > flushing them. > Makes sense... > > I wonder if something like the following would simplify this enough, yet > > still provide nicer behavior: > > > > /* > > * If this is an allocation failure, attempt an eofblocks scan > > * before we resort to an inode flush... > > */ > > if ((ret == -EDQUOT || ret == -ENOSPC) && !scanned) { > > scanned = xfs_inode_enospc_eofblocks(ip); > > if (scanned) > > goto retry; > > scanned = 1; /* try this once */ > > } > > if (ret == -ENOSPC && !enospc) { > > enospc = 1; > > xfs_flush_inodes(); > > goto retry; > > } > > > > This consolidates the eofblocks scan logic to a separate helper to > > simplify things. The helper can run the quota scan and/or the global > > scan based on the data regarding the situation (i.e., the inode and > > associated quota characteristics). This allows us to preserve the notion > > of attempting a lightweight recovery first and a heavyweight recovery > > second, reserving the inode flush for when space is truly tight. > > Thoughts? > > It's still damn clunky, IMO. It's still trying to work around the > fact that project quotas use ENOSPC rather than EDQUOT, and that > makes the logic rather twisted. And it still has that hidden data > flush in it so it can't really be called lightweight... > Ok. Well if the high level logic is the issue, we could still turn that inside out a bit to use your EDQUOT/ENOSPC logic, yet still preserve the standalone eofblocks scan. It might be a few more lines, but perhaps more clear. E.g.: if (ret == -EDQUOT && !enospc) { enospc = 1; xfs_inode_free_quota_eofblocks(ip); goto retry; else if (ret == -ENOSPC && !enospc) { if (!scanned) { struct xfs_eofblocks eofb = {0}; ... scanned = 1; xfs_icache_free_eofblocks(ip->i_mount, &eofb); goto retry; } enospc = 1; xfs_flush_inodes(ip->i_mount); goto retry; } Thoughts on that? We'll handle project quota ENOSPC just as we handle global ENOSPC with respect to the scan and the flush, but we'll still have the opportunity to free up a decent amount of space without initiating I/O. The project quota scan down in free_quota_eofblocks() might be rendered pointless as well. Brian > > > > > diff --git a/fs/xfs/xfs_icache.c b/fs/xfs/xfs_icache.c > > > > index bd0ab7d..471ccfa 100644 > > > > --- a/fs/xfs/xfs_icache.c > > > > +++ b/fs/xfs/xfs_icache.c > > > > @@ -33,6 +33,9 @@ > > ... > > > > + > > > > + if (XFS_IS_PQUOTA_ENFORCED(ip->i_mount)) { > > > > + dq = xfs_inode_dquot(ip, XFS_DQ_PROJ); > > > > + if (dq && xfs_dquot_lowsp(dq)) { > > > > + eofb.eof_prid = xfs_get_projid(ip); > > > > + eofb.eof_flags = XFS_EOF_FLAGS_SYNC| > > > > + XFS_EOF_FLAGS_PRID| > > > > + XFS_EOF_FLAGS_FLUSH; > > > > + xfs_icache_free_eofblocks(ip->i_mount, &eofb); > > > > + scanned = 1; > > > > + } > > > > + } > > > > > > I really don't like the fact that project quota is hiding a data > > > flush in the "free_quota_eofblocks" logic. It just strikes me a the > > > wrong thing to do because if it's a real ENOSPC we're just going to > > > have to do this anyway... > > > > > > > I was under the impression that a flush was important for project quotas > > based on freeing up reserved metadata space (from our past discussions > > on the original eofblocks work). I could have just misunderstood the > > point at the time. > > It is important - I'm not saying that we should not flush dirty > data. What I am disagreeing with is the implementation of data > flushing in the patch.... > > > If so, I can just remove the flush flag on the > > eofblocks scan in the logic proposed above and let the inode flush > > handle this for both cases. > > > > If we go that route, any preference as to whether to keep the support > > for doing a flush in eofblocks at all? I included it primarily for the > > project quota case. With that dropped, I could just drop the first > > couple of patches here. > > Yes, you could do that. > > Cheers, > > Dave. > -- > Dave Chinner > david@fromorbit.com From david@fromorbit.com Tue Apr 1 23:47:55 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id E0C947F54 for ; Tue, 1 Apr 2014 23:47:55 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id CA1DE304053 for ; Tue, 1 Apr 2014 21:47:55 -0700 (PDT) X-ASG-Debug-ID: 1396414072-04cb6c5675bdd8c0001-NocioJ Received: from ipmail04.adl6.internode.on.net (ipmail04.adl6.internode.on.net [150.101.137.141]) by cuda.sgi.com with ESMTP id yDHoowRxwBcDz03l for ; Tue, 01 Apr 2014 21:47:52 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.141 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AidUAF2VO1N5LEcvPGdsb2JhbABZgwaDSoULtkWFXYEZFwMBAQEBODWCJQEBAQMBJxMcIwULCAMYCSUPBSUDBxoKCYdxB9AkFxaNeAsGAVAHhDgEmFWKX4sfKYEtCBc Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail04.adl6.internode.on.net with ESMTP; 02 Apr 2014 15:17:51 +1030 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WVD5Z-0005t4-L5; Wed, 02 Apr 2014 15:47:49 +1100 Date: Wed, 2 Apr 2014 15:47:49 +1100 From: Dave Chinner To: Jamie Pocas Cc: xfs@oss.sgi.com Subject: Re: xfs: invalid requests to request_fn from xfs_repair Message-ID: <20140402044749.GK17603@dastard> X-ASG-Orig-Subj: Re: xfs: invalid requests to request_fn from xfs_repair References: <20140401204215.GG17603@dastard> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail04.adl6.internode.on.net[150.101.137.141] X-Barracuda-Start-Time: 1396414072 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4507 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Tue, Apr 01, 2014 at 06:28:19PM -0400, Jamie Pocas wrote: > I have to say, thanks very much for the lightning fast response. Comments > are inline. I think the punchline is going to end up being that I probably > need to learn some more about the effects of O_DIRECT on the I/O path and > how it ends up in the request_queue. It's tempting now to regress back to a > bio-handling function, do my own merging, and see if I can avoid the > problem, but I am stubborn so I will probably stick it out for as long as I > can. > > On Tue, Apr 1, 2014 at 4:42 PM, Dave Chinner wrote: > > > On Tue, Apr 01, 2014 at 04:16:39PM -0400, Jamie Pocas wrote: > > > blk_queue_physical_block_size(q, 512) // should be no surprise > > > blk_queue_logical_block_size(q, 512) // should be no surprise > > > > 512 byte sectors. > > > > > blk_queue_max_segments(q, 128); /* 128 memory segments (page + > > > offset/length pairs) per request! */ > > > blk_queue_max_hw_sectors(q, CA_MAX_REQUEST_SECTORS); /* Up to 1024 > > sectors > > > (512k) per request hard limit in the kernel */ > > > blk_queue_max_segment_size(q, CA_MAX_REQUEST_BYTES); /* 512k (1024 > > sectors) > > > is the hard limit in the kernel */ > > > > And up to 512KB per IO. > > > > > While iterating through segments in rq_for_each_segment(), for some > > > requests I am seeing some odd behavior. > > > > > > segment 0: iter.bio->bi_sector = 0, blk_rq_cur_sectors(rq) = 903 // Ok, > > > this looks normal > > > segment 1: iter.bio->bi_sector = 1023, blk_rq_cur_sectors(rq) = 7 // > > > Whoah... this doesn't look right to me > > > > Seems fine to me. There's absolutely no reason two separate IOs > > can't be sub-page sector aligned or discontiguous given the above > > configuration. If that's what the getblocks callback returned to the > > DIO layer, then that's what you're going to see in the bios... > > > > > I guess my assumption that sectors would be adjacent was invalid, but this > is what I have read in ldd3 and other books and seen in some driver > examples. So I apologize for my folly and it's another lesson in not > believing everything you see on the net. The back half of my driver is > really optimized for transferring a single contiguous lba & transfer length > pair (ala SCSI WRITE 16 for example). However in desperation, I had changed > the driver to support requests like this (with disjoint sector ranges) but > it still seemed odd to me that occasionally some requests would even have > multiple segments that would *write* the same sectors/lengths. For example > I also see requests like the following. > > Given: rq_data_dir(rq) == 1 (i.e. a write) > segment 0: iter.bio->bi_sector = 0, blk_rq_cur_sectors(rq) = 7 // Ok > segment 1: iter.bio->bi_sector = 0, blk_rq_cur_sectors(rq) = 7 // > Again? > segment 2: iter.bio->bi_sector = 0, blk_rq_cur_sectors(rq) = 7 // Yet > again? > segment 3: iter.bio->bi_sector = 0, blk_rq_cur_sectors(rq) = 7 // > Really? > ... > segment 126: iter.bio->bi_sector = 0, blk_rq_cur_sectors(rq) = 7 // > What's going on? > // Reminder: segment limit is 128 > segment 127: iter.bio->bi_sector = 1023, blk_rq_cur_sectors(rq) = 1 // > Haha, bet you though I was going to say sector = 0! That really looks to me like a bug in whatever is building that iter structure. It looks like there's an off-by-one on each page (should be 8 sectors not 7) and the bi_sector is not being set correctly to the sector offset of the bio within the IO. i.e. for a contiguous IO it should look something like: segment 0: iter.bio->bi_sector = 0, blk_rq_cur_sectors(rq) = 8 segment 1: iter.bio->bi_sector = 8, blk_rq_cur_sectors(rq) = 8 segment 2: iter.bio->bi_sector = 16, blk_rq_cur_sectors(rq) = 8 .... segment 127: iter.bio->bi_sector = 1016, blk_rq_cur_sectors(rq) = 8 I highly doubt the direct IO code is doing something wrong, because a mapping bug like that would show up everywhere and not just in your special driver.... > > The read syscall is for a byte offset (from the fd, set by lseek) > > and a length, not a range of contiguous sectors on the device. That > > off/len tuple gets mapped by the underlying filesystem or device > > into an sector/len via a getblocks callback in the dio code and the > > bios are then built according to the mappings that are returned. So > > in many cases the IO that hits the block device looks nothing at all > > like the IO that came from userspace. > > > > > In general if I were reading a file I agree 100%, but this was the read > call issued by xfs_repair to read the superblock directly from a block > device. So I, perhaps wrongly, anticipated straightforward requests or > maybe even a single 512k request coming down to the request_fn. I should > have mentioned that this was observed while using xfs_repair earlier in the > email though, so no offense intended. There's more of the xfs_repair strace > in my response to your next comment below. It fails very early as you can > imagine when xfs_repair can't read the superblock. I figured that this is what you were talking about, but remember that the block device also does it's own offset->sector mapping in the direct IO layer. So it's entirely possible that the mapping function (i.e the getblocks callback) is broken and that is why you are seeing weird mappings in the bios being built by the direct Io code. > and post more of the strace below. I *do* see the O_DIRECT flag as > expected. Here's the block device being opened. All I did was "xfs_repair > -n /dev/tsca0", hence the O_RDONLY flag. That all seems ok from what I'd expect from xfsrepair.... Cheers, Dave. -- Dave Chinner david@fromorbit.com From david@fromorbit.com Wed Apr 2 00:11:10 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 4A0D77F58 for ; Wed, 2 Apr 2014 00:11:09 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id C49C5AC005 for ; Tue, 1 Apr 2014 22:11:08 -0700 (PDT) X-ASG-Debug-ID: 1396415465-04cb6c5675bdf060001-NocioJ Received: from ipmail04.adl6.internode.on.net (ipmail04.adl6.internode.on.net [150.101.137.141]) by cuda.sgi.com with ESMTP id BsHYzYIdmLJjTEf7 for ; Tue, 01 Apr 2014 22:11:06 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.141 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AihUAP+aO1N5LEcvPGdsb2JhbABZgwaDSoULtkWFXYEZFwMBAQEBODWCJQEBAQMBJxMcIwULCAMOCgklDwUlAwcaExuHVgfQKBcWjgILTQeEOASYVZV+KYEsAR8 Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail04.adl6.internode.on.net with ESMTP; 02 Apr 2014 15:41:05 +1030 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WVDS3-0005wE-Hz; Wed, 02 Apr 2014 16:11:03 +1100 Date: Wed, 2 Apr 2014 16:11:03 +1100 From: Dave Chinner To: Brian Foster Cc: xfs@oss.sgi.com Subject: Re: [PATCH 4/5] xfs: run an eofblocks scan on ENOSPC/EDQUOT Message-ID: <20140402051103.GL17603@dastard> X-ASG-Orig-Subj: Re: [PATCH 4/5] xfs: run an eofblocks scan on ENOSPC/EDQUOT References: <1396012563-60973-1-git-send-email-bfoster@redhat.com> <1396012563-60973-5-git-send-email-bfoster@redhat.com> <20140331222246.GF17603@dastard> <20140401135518.GC21540@bfoster.bfoster> <20140401211926.GH17603@dastard> <20140401232022.GA15934@bfoster.bfoster> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140401232022.GA15934@bfoster.bfoster> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail04.adl6.internode.on.net[150.101.137.141] X-Barracuda-Start-Time: 1396415465 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4507 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Tue, Apr 01, 2014 at 07:20:23PM -0400, Brian Foster wrote: > On Wed, Apr 02, 2014 at 08:19:26AM +1100, Dave Chinner wrote: > > On Tue, Apr 01, 2014 at 09:55:18AM -0400, Brian Foster wrote: > > Yes, it means that there is a global flush when a project quota runs > > out of space, but it means that we only do it once and we don't burn > > excessive CPU walking radix trees scanning inodes needlessly every > > time we get a storm of processes hammering project quota ENOSPC. > > > > It's not clear to me that excess scanning is an issue, but it seems Have 100 threads hit ENOSPC on the same project quota at the same time on a filesystem with a couple of thousand AGs with a few million cached inode, and then you'll see the problem.... > orthogonal to how we organize the enospc logic (at least once the flush > is out of the equation). IOW, we'll invoke the scanner with the same > frequency either way. Or maybe you are just referring to scanning > specifically for the purpose of doing flushes as a waste..? Well, lots of concurrent scanning for the same purpose is highly inefficient - look at the amount of additional serialisation in the inode recalim walker that is aimed at reducing concurrency to one reclaim thread per AG at a time... I expect that if the serialisation on xfs_flush_inodes() isn't sufficient to throttle eofblock scanning concurrency in case like the above then we'll know about it pretty quickly. > > > simplify things. The helper can run the quota scan and/or the global > > > scan based on the data regarding the situation (i.e., the inode and > > > associated quota characteristics). This allows us to preserve the notion > > > of attempting a lightweight recovery first and a heavyweight recovery > > > second, reserving the inode flush for when space is truly tight. > > > Thoughts? > > > > It's still damn clunky, IMO. It's still trying to work around the > > fact that project quotas use ENOSPC rather than EDQUOT, and that > > makes the logic rather twisted. And it still has that hidden data > > flush in it so it can't really be called lightweight... > > > > Ok. Well if the high level logic is the issue, we could still turn that > inside out a bit to use your EDQUOT/ENOSPC logic, yet still preserve the > standalone eofblocks scan. It might be a few more lines, but perhaps > more clear. E.g.: > > if (ret == -EDQUOT && !enospc) { > enospc = 1; > xfs_inode_free_quota_eofblocks(ip); > goto retry; > else if (ret == -ENOSPC && !enospc) { > if (!scanned) { > struct xfs_eofblocks eofb = {0}; > ... > scanned = 1; > xfs_icache_free_eofblocks(ip->i_mount, &eofb); > goto retry; > } > > enospc = 1; > xfs_flush_inodes(ip->i_mount); > goto retry; > } > > Thoughts on that? Even more convoluted. :/ Look at it this way - I've never been a fan of this "retry write on enospc once" code. It's a necessary evil due to the reality of locking orders and having to back out of the write far enough to safely trigger dirty inode writeback so we *might* be able to write this data. Making this code more finicky and tricky is the last thing I think we should be doing. I don't have any better ideas at this point - I'm still tired and jetlagged and need to sort out everything for a merge window pull of the current tree, so time for me to think up a creative solution is limited. I'm hoping that you might be able to think of a different way entirely of doing this "write retry on ENOSPC" that dolves all these problems simply and easily ;) > We'll handle project quota ENOSPC just as we handle > global ENOSPC with respect to the scan and the flush, but we'll still > have the opportunity to free up a decent amount of space without > initiating I/O. The project quota scan down in free_quota_eofblocks() > might be rendered pointless as well. Well, therein lies an avenue of investigation: for EOF block trimming, why would we need to do a flush first, even for project quotas? And if we aren't going to flush data, why does it need to be done at this level? Can it be done deep in the quota code where we know exactly what quota ran out of space? Cheers, Dave. -- Dave Chinner david@fromorbit.com From hupin467@163.com Wed Apr 2 00:31:28 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=HTML_MESSAGE,T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 1AF507F59 for ; Wed, 2 Apr 2014 00:31:28 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id E2E8C8F804C for ; Tue, 1 Apr 2014 22:31:24 -0700 (PDT) X-ASG-Debug-ID: 1396416682-04bdf0743a1b040001-NocioJ Received: from mail1.dsv-gruppe.de (mail1.dsv-gruppe.de [194.55.112.66]) by cuda.sgi.com with ESMTP id pr9NTQABPd1qvBts for ; Tue, 01 Apr 2014 22:31:22 -0700 (PDT) X-Barracuda-Envelope-From: hupin467@163.com X-Barracuda-Apparent-Source-IP: 194.55.112.66 Received: from m13-77.163.com ([220.181.13.77]) by mail1.dsv-gruppe.de (Lotus Domino Release 8.5.3FP5) with ESMTP id 2014040207311246-303869 ; 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Henderson Reply-To: X-ASG-Orig-Subj: CEO/ Jim W. Henderson Mail-Reply-To: Message-ID: <6e9c709449b11dc8f0c10b133948edb7@dalokay.com.tr> X-Sender: gizem@dalokay.com.tr User-Agent: Webmail/0.6 X-Virus-Scanned: Clean X-Barracuda-Connect: smtp-02-9775.kriter.com.tr[81.22.97.75] X-Barracuda-Start-Time: 1396437201 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.50 X-Barracuda-Spam-Status: No, SCORE=0.50 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_SA620a X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4513 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.50 BSF_SC0_SA620a Custom Rule SA620a -- Hello// I am CEO/ Jim W. Henderson certify private loan lender at 2%. Are you looking for urgent loan to finance your project and pay off your bills? 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Henderson From hannes@stressinduktion.org Wed Apr 2 07:34:51 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id BFE6E7F6C for ; Wed, 2 Apr 2014 07:34:50 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id 505BAAC008 for ; Wed, 2 Apr 2014 05:34:46 -0700 (PDT) X-ASG-Debug-ID: 1396442083-04bdf0743a33dc0001-NocioJ Received: from order.stressinduktion.org (order.stressinduktion.org [87.106.68.36]) by cuda.sgi.com with ESMTP id NwKIz96LyHGXEyEL (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Wed, 02 Apr 2014 05:34:44 -0700 (PDT) X-Barracuda-Envelope-From: hannes@stressinduktion.org X-Barracuda-Apparent-Source-IP: 87.106.68.36 Received: by order.stressinduktion.org (Postfix, from userid 500) id 080781A0C28F; Wed, 2 Apr 2014 14:34:42 +0200 (CEST) Date: Wed, 2 Apr 2014 14:34:42 +0200 From: Hannes Frederic Sowa To: xfs@oss.sgi.com Cc: tinguely@sgi.com, david@fromorbit.com Subject: [PATCH v3 xfstests] add tests for unlinking directories with hash collisions Message-ID: <20140402123442.GF16157@order.stressinduktion.org> X-ASG-Orig-Subj: [PATCH v3 xfstests] add tests for unlinking directories with hash collisions References: <20140327074156.GJ29498@order.stressinduktion.org> <20140401184903.GA13434@order.stressinduktion.org> <20140401230309.GC16157@order.stressinduktion.org> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20140401230309.GC16157@order.stressinduktion.org> X-Barracuda-Connect: order.stressinduktion.org[87.106.68.36] X-Barracuda-Start-Time: 1396442084 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4515 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- This tests creates several directories that have the same small (8) group of hashes to ensure the hash ordering of file and directories are preserved. Sample backtrace this test tries to prevent in future: [ 3856.245843] XFS (vda1): Internal error xfs_trans_cancel at line 966 of file fs/xfs/xfs_trans.c. Caller 0xffffffffa01186bc [ 3856.249049] CPU: 1 PID: 866 Comm: rm Not tainted 3.13.6-200.fc20.x86_64 #1 [ 3856.250966] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3856.252615] 000000000000000c ffff8800d23a7d68 ffffffff8168730c ffff8800cf5462b8 [ 3856.254823] ffff8800d23a7d80 ffffffffa00d00cb ffffffffa01186bc ffff8800d23a7da8 [ 3856.257241] ffffffffa00e5459 ffff8800d9ac3400 ffff8800d23a7e30 ffff8800371b6800 [ 3856.259420] Call Trace: [ 3856.260172] [] dump_stack+0x45/0x56 [ 3856.261717] [] xfs_error_report+0x3b/0x40 [xfs] [ 3856.263472] [] ? xfs_remove+0x1ac/0x370 [xfs] [ 3856.270838] [] xfs_trans_cancel+0xd9/0x100 [xfs] [ 3856.272783] [] xfs_remove+0x1ac/0x370 [xfs] [ 3856.274531] [] xfs_vn_unlink+0x4b/0x90 [xfs] [ 3856.276286] [] vfs_rmdir+0xa8/0x100 [ 3856.277821] [] do_rmdir+0x17d/0x1d0 [ 3856.281021] [] ? ____fput+0xe/0x10 [ 3856.285261] [] ? task_work_run+0xac/0xe0 [ 3856.286952] [] ? do_notify_resume+0x61/0xa0 [ 3856.288693] [] SyS_unlinkat+0x25/0x40 [ 3856.290407] [] system_call_fastpath+0x16/0x1b [ 3856.292685] XFS (vda1): xfs_do_force_shutdown(0x8) called from line 967 of file fs/xfs/xfs_trans.c. Return address = 0xffffffffa00e5472 [ 3856.627330] XFS (vda1): Corruption of in-memory data detected. Shutting down filesystem [ 3856.627332] XFS (vda1): Please umount the filesystem and rectify the problem(s) With help from Mark Tinguely, thanks very much! Cc: Dave Chinner Cc: Mark Tinguely Signed-off-by: Hannes Frederic Sowa --- Changelog: v2) * first serious proposal v3) * reduced number of possible generated hashes to 8 and thus lowered the number of generated files to 10_000 which still generate the corruption in all of my 10 tests. This speeds up the test considerable. Maybe we can add quick to the group description now? * updated changelog Also: When testing this program with reduced number of generated hashes and huge amount of test files, xfs_repair needs a considerable amount of time to check the directory (I aborted it). I guess this is because the hash tables get flattened to linked lists. I don't know if there are other runtime explosions in other parts of the code (maybe in the kernel). I suggest to add a random perturbation to the hash function, which unluckily seems to be included into the superblock then, too. Please have a look! Thanks, Hannes .gitignore | 1 + src/Makefile | 2 +- src/generate-hash-collision.c | 223 ++++++++++++++++++++++++++++++++++++++++++ tests/xfs/307 | 63 ++++++++++++ tests/xfs/307.out | 28 ++++++ tests/xfs/group | 1 + 6 files changed, 317 insertions(+), 1 deletion(-) create mode 100644 src/generate-hash-collision.c create mode 100755 tests/xfs/307 create mode 100644 tests/xfs/307.out diff --git a/.gitignore b/.gitignore index b6f2463..049f2e0 100644 --- a/.gitignore +++ b/.gitignore @@ -50,6 +50,7 @@ /src/fsync-tester /src/ftrunc /src/genhashnames +/src/generate-hash-collision /src/getdevicesize /src/getpagesize /src/godown diff --git a/src/Makefile b/src/Makefile index 6509f2d..1e9ec61 100644 --- a/src/Makefile +++ b/src/Makefile @@ -11,7 +11,7 @@ TARGETS = dirstress fill fill2 getpagesize holes lstat64 \ devzero feature alloc fault fstest t_access_root \ godown resvtest writemod makeextents itrash rename \ multi_open_unlink dmiperf unwritten_sync genhashnames t_holes \ - t_mmap_writev t_truncate_cmtime + t_mmap_writev t_truncate_cmtime generate-hash-collision LINUX_TARGETS = xfsctl bstat t_mtab getdevicesize preallo_rw_pattern_reader \ preallo_rw_pattern_writer ftrunc trunc fs_perms testx looptest \ diff --git a/src/generate-hash-collision.c b/src/generate-hash-collision.c new file mode 100644 index 0000000..55cec87 --- /dev/null +++ b/src/generate-hash-collision.c @@ -0,0 +1,223 @@ +/* + * Generates files or directories with hash collisions on a XFS filesystem + * Copyright (C) 2014 Hannes Frederic Sowa + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + */ + +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include + +static enum { + ILLEGAL, + DIRECTORY, + FILENAME, +} touch_mode = ILLEGAL; + +static bool one_hash = false; + +static uint32_t rol32(uint32_t word, unsigned int shift) +{ + return (word << shift) | (word >> (32 - shift)); +} + +static uint32_t xfs_da_hashname(const uint8_t *name, int namelen) +{ + uint32_t hash; + + for (hash = 0; namelen >= 4; namelen -= 4, name += 4) + hash = (name[0] << 21) ^ (name[1] << 14) ^ (name[2] << 7) ^ + (name[3] << 0) ^ rol32(hash, 7 * 4); + + if (namelen) { + fprintf(stderr, + "internal error: " + "misbalanced input buffer to xfs_da_hashname - " + "overlapping %d bytes\n", namelen); + exit(1); + } + + return hash; +} + +static uint8_t gen_rand(void) +{ + uint8_t r; + while (!(r = rand())); + return r; +} + +static uint8_t buffer[252+1] = {0}; + +static void gen_name(void) +{ + int idx; + uint32_t hash, last; + +again: + for (idx = 0; idx < 252-4; idx+=4) { + buffer[idx + 0] = gen_rand(); + buffer[idx + 1] = gen_rand(); + buffer[idx + 2] = gen_rand(); + buffer[idx + 3] = gen_rand(); + } + + hash = rol32(xfs_da_hashname(buffer, 248), 7 * 4); + last = hash ^ ~0U; + + if (last == 0) + goto again; + + buffer[idx + 3] = last & 0x7fU; + buffer[idx + 2] = (last >> 7) & 0x7fU; + buffer[idx + 1] = (last >> 14) & 0x7fU; + buffer[idx + 0] = ((last >> 21) & 0xffU); + + if (memchr(buffer, '.', sizeof(buffer)) || + memchr(buffer, '/', sizeof(buffer))) + goto again; + + if (one_hash) { + /* very poor - can be improved later */ + static bool done = false; + static uint32_t filter; + + if (!done) { + filter = xfs_da_hashname(buffer, 252); + done = true; + return; + } + + if (filter != xfs_da_hashname(buffer, 252)) + goto again; + } +} + +static int touch(const char *buffer) +{ + if (touch_mode == DIRECTORY) { + if (mkdir(buffer, S_IRWXU)) { + /* ignore if directory is already present */ + if (errno == EEXIST) + return 0; + perror("mkdir with random directory name"); + return 1; + } + } else if (touch_mode == FILENAME) { + int fd = creat(buffer, S_IRWXU); + if (fd == -1) { + /* ignore duplicate files */ + if (errno == EEXIST) + return 0; + perror("creat with random directory name"); + return 1; + } + if (close(fd)) { + perror("close is leaking a file descriptor"); + return 1; + } + return 0; + } + return 0; +} + +static void do_seed(void) +{ + struct timeval tv; + if (gettimeofday(&tv, NULL)) { + perror("gettimeofday"); + exit(1); + } + srand(tv.tv_sec ^ tv.tv_usec ^ getpid()); +} + +static void usage_and_exit(const char *pname) +{ + fprintf(stderr, "usage: %s [-d] [-f] [-n num] [-s] directory\n" + "\t-f\tcreate files (the default)\n" + "\t-d\tcreate directories\n" + "\t-n num\tcreate num directories or files (default 200000)\n" + "\t-s\tonly generate one hash\n" + "\tdirectory\tthe directory to chdir() to\n", + pname); + exit(1); +} + +int main(int argc, char **argv) +{ + const char allopts[] = "hsdfn:"; + int c, orig_cycles, errors = 0, cycles = 200000; + + while ((c = getopt(argc, argv, allopts)) != -1) { + switch (c) { + case 'd': + if (touch_mode != ILLEGAL) + usage_and_exit(argv[0]); + touch_mode = DIRECTORY; + break; + case 'f': + if (touch_mode != ILLEGAL) + usage_and_exit(argv[0]); + touch_mode = FILENAME; + break; + case 'n': + errno = 0; + if (sscanf(optarg, "%d", &cycles) != 1 || + errno == ERANGE) { + fputs("could not parse number of iterations", stderr); + exit(1); + } + break; + case 's': + one_hash = true; + break; + default: + usage_and_exit(argv[0]); + break; + } + } + + if (argc <= optind || touch_mode == ILLEGAL) + usage_and_exit(argv[0]); + + if (chdir(argv[optind])) { + perror("chdir"); + exit(1); + } + + orig_cycles = cycles; + + do_seed(); + + while (cycles--) { + gen_name(); + errors += touch((char *)buffer); + } + + if (errors) + fprintf(stderr, "creating %d %s caused %d errors\n", + orig_cycles, touch_mode == FILENAME ? "files" : "directories", + errors); + + return 0; +} diff --git a/tests/xfs/307 b/tests/xfs/307 new file mode 100755 index 0000000..9ff1bf7 --- /dev/null +++ b/tests/xfs/307 @@ -0,0 +1,63 @@ +#! /bin/bash +# FS QA Test No. 307 +# +# Test that directory hash entries are place in the correct order. +# commit f5ea110 ("xfs: add CRCs to dir2/da node blocks") left the +# directory with incorrect hash ordering. +# +#----------------------------------------------------------------------- +# Copyright (c) 2014 Hannes Frederic Sowa. All Rights Reserved. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it would be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write the Free Software Foundation, +# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +#----------------------------------------------------------------------- +# + +seq=`basename $0` +seqres=$RESULT_DIR/$seq +echo "QA output created by $seq" + +here=`pwd` +tmp=/tmp/$$ +status=1 # failure is the default! +trap "_cleanup; exit \$status" 0 1 2 3 15 + +_cleanup() +{ + cd / + rm -f $tmp.* +} + +# get standard environment, filters and checks +. ./common/rc +. ./common/filter +. ./common/repair + +# real QA test starts here + +_supported_fs xfs +_supported_os Linux +_require_scratch + +_scratch_mkfs_xfs | _filter_mkfs 2>$tmp.mkfs +_scratch_mount | _filter_scratch + +mkdir $SCRATCH_MNT/x +$here/src/generate-hash-collision -d -n 10000 $SCRATCH_MNT/x +umount $SCRATCH_MNT 2>&1 | _filter_scratch + +_scratch_xfs_repair 2>&1 | _filter_repair + +# success, all done +status=0 +exit diff --git a/tests/xfs/307.out b/tests/xfs/307.out new file mode 100644 index 0000000..eaf5716 --- /dev/null +++ b/tests/xfs/307.out @@ -0,0 +1,28 @@ +QA output created by 307 +meta-data=DDEV isize=XXX agcount=N, agsize=XXX blks +data = bsize=XXX blocks=XXX, imaxpct=PCT + = sunit=XXX swidth=XXX, unwritten=X +naming =VERN bsize=XXX +log =LDEV bsize=XXX blocks=XXX +realtime =RDEV extsz=XXX blocks=XXX, rtextents=XXX +Phase 1 - find and verify superblock... +Phase 2 - using log + - zero log... + - scan filesystem freespace and inode maps... + - found root inode chunk +Phase 3 - for each AG... + - scan and clear agi unlinked lists... + - process known inodes and perform inode discovery... + - process newly discovered inodes... +Phase 4 - check for duplicate blocks... + - setting up duplicate extent list... + - check for inodes claiming duplicate blocks... +Phase 5 - rebuild AG headers and trees... + - reset superblock... +Phase 6 - check inode connectivity... + - resetting contents of realtime bitmap and summary inodes + - traversing filesystem ... + - traversal finished ... + - moving disconnected inodes to lost+found ... +Phase 7 - verify and correct link counts... +done diff --git a/tests/xfs/group b/tests/xfs/group index ba34650..a1ef7f9 100644 --- a/tests/xfs/group +++ b/tests/xfs/group @@ -189,3 +189,4 @@ 304 auto quick quota 305 auto quota 306 auto stress log metadata repair +307 auto dir -- 1.9.0 From tinguely@sgi.com Wed Apr 2 08:07:43 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=RP_MATCHES_RCVD autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 9F1CA29DF7 for ; Wed, 2 Apr 2014 08:07:43 -0500 (CDT) Received: from eagdhcp-232-178.americas.sgi.com (eagdhcp-232-178.americas.sgi.com [128.162.232.178]) by relay1.corp.sgi.com (Postfix) with ESMTP id 7C3038F8066; Wed, 2 Apr 2014 06:07:40 -0700 (PDT) Message-ID: <533C0B9D.4070307@sgi.com> Date: Wed, 02 Apr 2014 08:07:41 -0500 From: Mark Tinguely User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:9.0) Gecko/20120122 Thunderbird/9.0 MIME-Version: 1.0 To: Hannes Frederic Sowa CC: xfs@oss.sgi.com Subject: Re: [PATCH v3 xfstests] add tests for unlinking directories with hash collisions References: <20140327074156.GJ29498@order.stressinduktion.org> <20140401184903.GA13434@order.stressinduktion.org> <20140401230309.GC16157@order.stressinduktion.org> <20140402123442.GF16157@order.stressinduktion.org> In-Reply-To: <20140402123442.GF16157@order.stressinduktion.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 04/02/14 07:34, Hannes Frederic Sowa wrote: > This tests creates several directories that have the same small (8) > group of hashes to ensure the hash ordering of file and directories > are preserved. > > Sample backtrace this test tries to prevent in future: > > [ 3856.245843] XFS (vda1): Internal error xfs_trans_cancel at line 966 of file fs/xfs/xfs_trans.c. Caller 0xffffffffa01186bc > [ 3856.249049] CPU: 1 PID: 866 Comm: rm Not tainted 3.13.6-200.fc20.x86_64 #1 > [ 3856.250966] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 > [ 3856.252615] 000000000000000c ffff8800d23a7d68 ffffffff8168730c ffff8800cf5462b8 > [ 3856.254823] ffff8800d23a7d80 ffffffffa00d00cb ffffffffa01186bc ffff8800d23a7da8 > [ 3856.257241] ffffffffa00e5459 ffff8800d9ac3400 ffff8800d23a7e30 ffff8800371b6800 > [ 3856.259420] Call Trace: > [ 3856.260172] [] dump_stack+0x45/0x56 > [ 3856.261717] [] xfs_error_report+0x3b/0x40 [xfs] > [ 3856.263472] [] ? xfs_remove+0x1ac/0x370 [xfs] > [ 3856.270838] [] xfs_trans_cancel+0xd9/0x100 [xfs] > [ 3856.272783] [] xfs_remove+0x1ac/0x370 [xfs] > [ 3856.274531] [] xfs_vn_unlink+0x4b/0x90 [xfs] > [ 3856.276286] [] vfs_rmdir+0xa8/0x100 > [ 3856.277821] [] do_rmdir+0x17d/0x1d0 > [ 3856.281021] [] ? ____fput+0xe/0x10 > [ 3856.285261] [] ? task_work_run+0xac/0xe0 > [ 3856.286952] [] ? do_notify_resume+0x61/0xa0 > [ 3856.288693] [] SyS_unlinkat+0x25/0x40 > [ 3856.290407] [] system_call_fastpath+0x16/0x1b > [ 3856.292685] XFS (vda1): xfs_do_force_shutdown(0x8) called from line 967 of file fs/xfs/xfs_trans.c. Return address = 0xffffffffa00e5472 > [ 3856.627330] XFS (vda1): Corruption of in-memory data detected. Shutting down filesystem > [ 3856.627332] XFS (vda1): Please umount the filesystem and rectify the problem(s) > > With help from Mark Tinguely, thanks very much! > > Cc: Dave Chinner > Cc: Mark Tinguely > Signed-off-by: Hannes Frederic Sowa > --- > Changelog: > > v2) > * first serious proposal > > v3) > * reduced number of possible generated hashes to 8 and thus lowered the number of > generated files to 10_000 which still generate the corruption in all of my > 10 tests. This speeds up the test considerable. Maybe we can add > quick to the group description now? > * updated changelog > > Also: > When testing this program with reduced number of generated hashes and > huge amount of test files, xfs_repair needs a considerable amount of > time to check the directory (I aborted it). I guess this is because the > hash tables get flattened to linked lists. > > I don't know if there are other runtime explosions in other parts of > the code (maybe in the kernel). I suggest to add a random perturbation > to the hash function, which unluckily seems to be included into the > superblock then, too. > > Please have a look! > > Thanks, > > Hannes Tested-by: Mark Tinguely From apache@vps.com Wed Apr 2 08:37:34 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: *** X-Spam-Status: No, score=3.3 required=5.0 tests=HTML_MESSAGE,MIME_HTML_ONLY, SUBJECT_NEEDS_ENCODING,SUBJ_ILLEGAL_CHARS,T_FRT_CLICK,T_FRT_CONTACT autolearn=no version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id ECA8D7F69 for ; Wed, 2 Apr 2014 08:37:33 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 75CCBAC006 for ; Wed, 2 Apr 2014 06:37:30 -0700 (PDT) X-ASG-Debug-ID: 1396445848-04cbb054b9a0fb40001-NocioJ Received: from mail.vps.com ([168.61.8.253]) by cuda.sgi.com with ESMTP id gLk1bHuoqgRwbPB6 for ; Wed, 02 Apr 2014 06:37:28 -0700 (PDT) X-Barracuda-Envelope-From: apache@vps.com X-Barracuda-Apparent-Source-IP: 168.61.8.253 Received: by mail.vps.com (Postfix, from userid 48) id E4CD52C932; Wed, 2 Apr 2014 13:35:38 +0000 (UTC) To: xfs@oss.sgi.com Subject: Benachrichtigung von Sparkasse†X-PHP-Originating-Script: 0:mailer.php X-ASG-Orig-Subj: Benachrichtigung von Sparkasse†From: © SPARKASSE 2014 Reply-To: noreply@sparkasse.de MIME-Version: 1.0 Content-Type: text/html Content-Transfer-Encoding: 8bit Message-Id: <20140402133538.E4CD52C932@mail.vps.com> Date: Wed, 2 Apr 2014 13:35:38 +0000 (UTC) X-Barracuda-Connect: UNKNOWN[168.61.8.253] X-Barracuda-Start-Time: 1396445848 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 1.88 X-Barracuda-Spam-Status: No, SCORE=1.88 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC5_MJ1963, HTML_MESSAGE, MIME_HTML_ONLY, RDNS_NONE, SUBJECT_NEEDS_ENCODING X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4516 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 MIME_HTML_ONLY BODY: Message only has text/html MIME parts 0.00 HTML_MESSAGE BODY: HTML included in message 1.28 SUBJECT_NEEDS_ENCODING SUBJECT_NEEDS_ENCODING 0.10 RDNS_NONE Delivered to trusted network by a host with no rDNS 0.50 BSF_SC5_MJ1963 Custom Rule MJ1963 This is HTML source of message you composed. 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 From tytso@thunk.org Wed Apr 2 09:27:11 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 465D77F74 for ; Wed, 2 Apr 2014 09:27:11 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 41082304053 for ; Wed, 2 Apr 2014 07:27:10 -0700 (PDT) X-ASG-Debug-ID: 1396448825-04cb6c5678c03210001-NocioJ Received: from imap.thunk.org (imap.thunk.org [74.207.234.97]) by cuda.sgi.com with ESMTP id TEqrA97YU8eSpROJ (version=TLSv1 cipher=AES128-SHA bits=128 verify=NO) for ; Wed, 02 Apr 2014 07:27:06 -0700 (PDT) X-Barracuda-Envelope-From: tytso@thunk.org X-Barracuda-Apparent-Source-IP: 74.207.234.97 Received: from root (helo=closure.thunk.org) by imap.thunk.org with local-esmtp (Exim 4.80) (envelope-from ) id 1WVM7T-00017S-Fd; Wed, 02 Apr 2014 14:26:23 +0000 Received: by closure.thunk.org (Postfix, from userid 15806) id C865B580386; Wed, 2 Apr 2014 10:26:20 -0400 (EDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=thunk.org; s=mail; t=1396448780; bh=kTxTcZhEkaMkb//WbxXWziaIoOVazHBP+ZIVNmpUgik=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=qd78RwztqFakaZJQPtNzeLoD1RiRHjKy7FtcQhAAcBpgDcRUIb/kq0Q7BBdmi2Z5A cUWmAx9/10MEWNu2XwWOsrAQ/laGLxexVnV3YnQQddtQiPNKq9hKb43VYe3le+njog zVKAAkezd9n+J5sIhjemw1NsJmbJ4lhqw+uIwRxY= Date: Wed, 2 Apr 2014 10:26:20 -0400 From: Theodore Ts'o To: Dave Chinner Cc: Sedat Dilek , lsf@lists.linux-foundation.org, linux-ext4@vger.kernel.org, linux-fsdevel@vger.kernel.org, xfs@oss.sgi.com Subject: Re: [Lsf] [PATCH] xfstests-bld: Simplify determination of number of CPUs in build-all Message-ID: <20140402142620.GA6901@thunk.org> X-ASG-Orig-Subj: Re: [Lsf] [PATCH] xfstests-bld: Simplify determination of number of CPUs in build-all References: <1395997399-3000-1-git-send-email-sedat.dilek@gmail.com> <20140328161806.GA31772@thunk.org> <20140331025148.GF16336@dastard> <20140401023711.GE4911@thunk.org> <20140401222823.GJ17603@dastard> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140401222823.GJ17603@dastard> User-Agent: Mutt/1.5.23 (2014-03-12) X-SA-Exim-Connect-IP: X-SA-Exim-Mail-From: tytso@thunk.org X-SA-Exim-Scanned: No (on imap.thunk.org); SAEximRunCond expanded to false X-Barracuda-Connect: imap.thunk.org[74.207.234.97] X-Barracuda-Start-Time: 1396448826 X-Barracuda-Encrypted: AES128-SHA X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=DKIM_SIGNED X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4517 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature On Wed, Apr 02, 2014 at 09:28:23AM +1100, Dave Chinner wrote: > > And of course, whether changes in the mainline kernel tree are > > manually propagated changes from the xfstests.git tree, or whether > > primary development happens in the kernel tree, is ultimately going to > > be up to you and the XFS developers who have stewardship of xfstests. > > I'm not sure I would be that excited about manual propagation of > > changes from one git tree to another, but that is of course, up to > > you. > > And this is exactly my point, Ted. Again, you are presuming that the > implementation is going to require syncing commits across disparate > git trees and other such games will be needed to maintain separate > packages. Nothing could be further from the truth: we already have > this problem with the shared XFS kernel/userspace code and it's a > royal PITA keeping them in sync. Hence introducing the same > maintenance problem with new code and infrastructure is highly > undesirable and something we'll try to avoid at all costs. Actually, I was presuming that the thing that makes the most sense was to move all or most of the tests in xfstests into the kernel tests tree. And then you complained that I was making a presumption that this was the only sane thing to do. That's why I said, "if you want to do something insane, be my guest". I have nothing against doing a formal requirements process, that's fine, but I think there are certain things about what the final solution of "test in the kernel git tree" will look like that are pretty obvious. Cheers, - Ted From lczerner@redhat.com Wed Apr 2 10:33:32 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 4EB0329DF9 for ; Wed, 2 Apr 2014 10:33:32 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id 2380F304032 for ; Wed, 2 Apr 2014 08:33:28 -0700 (PDT) X-ASG-Debug-ID: 1396452808-04cbb054b9a187c0001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id YNAGcqA0bKRyC2Nm for ; Wed, 02 Apr 2014 08:33:28 -0700 (PDT) X-Barracuda-Envelope-From: lczerner@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx13.intmail.prod.int.phx2.redhat.com (int-mx13.intmail.prod.int.phx2.redhat.com [10.5.11.26]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s32FXR1o031314 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Wed, 2 Apr 2014 11:33:27 -0400 Received: from localhost.localdomain.com (dhcp-1-214.brq.redhat.com [10.34.1.214]) by int-mx13.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s32FXO0v006903; Wed, 2 Apr 2014 11:33:26 -0400 From: Lukas Czerner To: xfs@oss.sgi.com Cc: linux-ext4@vger.kernel.org, linux-fsdevel@vger.kernel.org, Lukas Czerner Subject: [PATCH 2/2] fsstress: Add fallocate collapse range operation Date: Wed, 2 Apr 2014 17:33:20 +0200 X-ASG-Orig-Subj: [PATCH 2/2] fsstress: Add fallocate collapse range operation Message-Id: <1396452800-25775-2-git-send-email-lczerner@redhat.com> In-Reply-To: <1396452800-25775-1-git-send-email-lczerner@redhat.com> References: <1396452800-25775-1-git-send-email-lczerner@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.26 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1396452808 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 This commit adds collapse operation support for fsstress, which is meant to exercise fallocate FALLOC_FL_COLLAPSE_RANGE support. Signed-off-by: Lukas Czerner --- ltp/fsstress.c | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/ltp/fsstress.c b/ltp/fsstress.c index fd258bf..1eec11a 100644 --- a/ltp/fsstress.c +++ b/ltp/fsstress.c @@ -71,6 +71,7 @@ typedef enum { OP_MKNOD, OP_PUNCH, OP_ZERO, + OP_COLLAPSE, OP_READ, OP_READLINK, OP_RENAME, @@ -168,6 +169,7 @@ void mkdir_f(int, long); void mknod_f(int, long); void punch_f(int, long); void zero_f(int, long); +void collapse_f(int, long); void read_f(int, long); void readlink_f(int, long); void rename_f(int, long); @@ -206,6 +208,7 @@ opdesc_t ops[] = { { OP_MKNOD, "mknod", mknod_f, 2, 1 }, { OP_PUNCH, "punch", punch_f, 1, 1 }, { OP_ZERO, "zero", zero_f, 1, 1 }, + { OP_COLLAPSE, "collapse", collapse_f, 1, 1 }, { OP_READ, "read", read_f, 1, 0 }, { OP_READLINK, "readlink", readlink_f, 1, 0 }, { OP_RENAME, "rename", rename_f, 2, 1 }, @@ -2173,6 +2176,7 @@ struct print_flags falloc_flags [] = { { FALLOC_FL_NO_HIDE_STALE, "NO_HIDE_STALE"}, { FALLOC_FL_COLLAPSE_RANGE, "COLLAPSE_RANGE"}, { FALLOC_FL_ZERO_RANGE, "ZERO_RANGE"}, + { FALLOC_FL_COLLAPSE_RANGE, "COLLAPSE_RANGE"}, { -1, NULL} }; @@ -2223,6 +2227,14 @@ do_fallocate(int opno, long r, int mode) off = (off64_t)(lr % MIN(stb.st_size + (1024 * 1024), MAXFSIZE)); off %= maxfsize; len = (off64_t)(random() % (1024 * 1024)); + /* + * Collapse range requires off and len to be block aligned, make it + * more likely to be the case. + */ + if (FALLOC_FL_COLLAPSE_RANGE && (opno % 2)) { + off = ((off + stb.st_blksize - 1) & ~(stb.st_blksize - 1)); + len = ((len + stb.st_blksize - 1) & ~(stb.st_blksize - 1)); + } mode |= FALLOC_FL_KEEP_SIZE & random(); e = fallocate(fd, mode, (loff_t)off, (loff_t)len) < 0 ? errno : 0; if (v) @@ -2637,6 +2649,14 @@ zero_f(int opno, long r) } void +collapse_f(int opno, long r) +{ +#ifdef HAVE_LINUX_FALLOC_H + do_fallocate(opno, r, FALLOC_FL_COLLAPSE_RANGE); +#endif +} + +void read_f(int opno, long r) { char *buf; -- 1.8.3.1 From lczerner@redhat.com Wed Apr 2 10:33:32 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 187D729DF7 for ; Wed, 2 Apr 2014 10:33:32 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 85FEFAC006 for ; Wed, 2 Apr 2014 08:33:28 -0700 (PDT) X-ASG-Debug-ID: 1396452806-04cb6c5675c08270001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id fzgSP6h8uIPKos0l for ; Wed, 02 Apr 2014 08:33:27 -0700 (PDT) X-Barracuda-Envelope-From: lczerner@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx13.intmail.prod.int.phx2.redhat.com (int-mx13.intmail.prod.int.phx2.redhat.com [10.5.11.26]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s32FXPRP000700 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Wed, 2 Apr 2014 11:33:26 -0400 Received: from localhost.localdomain.com (dhcp-1-214.brq.redhat.com [10.34.1.214]) by int-mx13.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s32FXO0u006903; Wed, 2 Apr 2014 11:33:24 -0400 From: Lukas Czerner To: xfs@oss.sgi.com Cc: linux-ext4@vger.kernel.org, linux-fsdevel@vger.kernel.org, Lukas Czerner Subject: [PATCH 1/2] fsx: Add fallocate collapse range operation Date: Wed, 2 Apr 2014 17:33:19 +0200 X-ASG-Orig-Subj: [PATCH 1/2] fsx: Add fallocate collapse range operation Message-Id: <1396452800-25775-1-git-send-email-lczerner@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.26 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1396452807 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 This commit adds fallocate FALLOC_FL_COLLAPSE_RANGE support for fsx. Signed-off-by: Lukas Czerner --- ltp/fsx.c | 107 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++---- 1 file changed, 100 insertions(+), 7 deletions(-) diff --git a/ltp/fsx.c b/ltp/fsx.c index bd1ed76..47d3ee8 100644 --- a/ltp/fsx.c +++ b/ltp/fsx.c @@ -90,11 +90,12 @@ int logcount = 0; /* total ops */ #define OP_MAX_LITE 4 /* !lite operations */ -#define OP_TRUNCATE 4 -#define OP_FALLOCATE 5 -#define OP_PUNCH_HOLE 6 -#define OP_ZERO_RANGE 7 -#define OP_MAX_FULL 8 +#define OP_TRUNCATE 4 +#define OP_FALLOCATE 5 +#define OP_PUNCH_HOLE 6 +#define OP_ZERO_RANGE 7 +#define OP_COLLAPSE_RANGE 8 +#define OP_MAX_FULL 9 /* operation modifiers */ #define OP_CLOSEOPEN 100 @@ -111,6 +112,7 @@ char *temp_buf; /* a pointer to the current data */ char *fname; /* name of our test file */ int fd; /* fd for our test file */ +blksize_t block_size = 0; off_t file_size = 0; off_t biggest = 0; char state[256]; @@ -142,6 +144,7 @@ int mapped_writes = 1; /* -W flag disables */ int fallocate_calls = 1; /* -F flag disables */ int punch_hole_calls = 1; /* -H flag disables */ int zero_range_calls = 1; /* -z flag disables */ +int collapse_range_calls = 1; /* -C flag disables */ int mapped_reads = 1; /* -R flag disables it */ int fsxgoodfd = 0; int o_direct; /* -Z */ @@ -321,13 +324,21 @@ logdump(void) prt("\t******PPPP"); break; case OP_ZERO_RANGE: - prt("ZERO 0x%x thru 0x%x\t(0x%x bytes)", + prt("ZERO 0x%x thru 0x%x\t(0x%x bytes)", lp->args[0], lp->args[0] + lp->args[1] - 1, lp->args[1]); if (badoff >= lp->args[0] && badoff < lp->args[0] + lp->args[1]) prt("\t******ZZZZ"); break; + case OP_COLLAPSE_RANGE: + prt("COLLAPSE 0x%x thru 0x%x\t(0x%x bytes)", + lp->args[0], lp->args[0] + lp->args[1] - 1, + lp->args[1]); + if (badoff >= lp->args[0] && badoff < + lp->args[0] + lp->args[1]) + prt("\t******CCCC"); + break; case OP_SKIPPED: prt("SKIPPED (no operation)"); break; @@ -949,6 +960,58 @@ do_zero_range(unsigned offset, unsigned length) } #endif +#ifdef FALLOC_FL_COLLAPSE_RANGE +void +do_collapse_range(unsigned offset, unsigned length) +{ + unsigned end_offset; + int mode = FALLOC_FL_COLLAPSE_RANGE; + + if (length == 0) { + if (!quiet && testcalls > simulatedopcount) + prt("skipping zero length collapse range\n"); + log4(OP_SKIPPED, OP_COLLAPSE_RANGE, offset, length); + return; + } + + end_offset = offset + length; + if ((loff_t)end_offset >= file_size) { + if (!quiet && testcalls > simulatedopcount) + prt("skipping collapse range behind EOF\n"); + log4(OP_SKIPPED, OP_COLLAPSE_RANGE, offset, length); + return; + } + + log4(OP_COLLAPSE_RANGE, offset, length, 0); + + if (testcalls <= simulatedopcount) + return; + + if ((progressinterval && testcalls % progressinterval == 0) || + (debug && (monitorstart == -1 || monitorend == -1 || + end_offset <= monitorend))) { + prt("%lu collapse\tfrom 0x%x to 0x%x, (0x%x bytes)\n", testcalls, + offset, offset+length, length); + } + if (fallocate(fd, mode, (loff_t)offset, (loff_t)length) == -1) { + prt("collapse range: %x to %x\n", offset, length); + prterr("do_collapse_range: fallocate"); + report_failure(161); + } + + memmove(good_buf + offset, good_buf + end_offset, + file_size - end_offset); + file_size -= length; +} + +#else +void +do_collapse_range(unsigned offset, unsigned length) +{ + return; +} +#endif + #ifdef HAVE_LINUX_FALLOC_H /* fallocate is basically a no-op unless extending, then a lot like a truncate */ void @@ -1123,6 +1186,12 @@ test(void) goto out; } break; + case OP_COLLAPSE_RANGE: + if (!collapse_range_calls) { + log4(OP_SKIPPED, OP_COLLAPSE_RANGE, offset, size); + goto out; + } + break; } switch (op) { @@ -1165,6 +1234,16 @@ test(void) TRIM_OFF_LEN(offset, size, file_size); do_zero_range(offset, size); break; + case OP_COLLAPSE_RANGE: + TRIM_OFF_LEN(offset, size, file_size - 1); + offset = offset & ~(block_size - 1); + size = size & ~(block_size - 1); + if (size == 0) { + log4(OP_SKIPPED, OP_COLLAPSE_RANGE, offset, size); + goto out; + } + do_collapse_range(offset, size); + break; default: prterr("test: unknown operation"); report_failure(42); @@ -1225,6 +1304,9 @@ usage(void) #ifdef FALLOC_FL_ZERO_RANGE " -z: Do not use zero range calls\n" #endif +#ifdef FALLOC_FL_COLLAPSE_RANGE +" -C: Do not use collapse range calls\n" +#endif " -L: fsxLite - no file creations & no file size changes\n\ -N numops: total # operations to do (default infinity)\n\ -O: use oplen (see -o flag) for every op (default random)\n\ @@ -1399,6 +1481,7 @@ main(int argc, char **argv) char *endp; char goodfile[1024]; char logfile[1024]; + struct stat statbuf; goodfile[0] = 0; logfile[0] = 0; @@ -1410,7 +1493,7 @@ main(int argc, char **argv) setvbuf(stdout, (char *)0, _IOLBF, 0); /* line buffered stdout */ - while ((ch = getopt(argc, argv, "b:c:dfl:m:no:p:qr:s:t:w:xyAD:FHzLN:OP:RS:WZ")) + while ((ch = getopt(argc, argv, "b:c:dfl:m:no:p:qr:s:t:w:xyAD:FHzCLN:OP:RS:WZ")) != EOF) switch (ch) { case 'b': @@ -1513,6 +1596,9 @@ main(int argc, char **argv) case 'z': zero_range_calls = 0; break; + case 'C': + collapse_range_calls = 0; + break; case 'L': lite = 1; break; @@ -1579,6 +1665,11 @@ main(int argc, char **argv) prterr(fname); exit(91); } + if (fstat(fd, &statbuf)) { + prterr("check_size: fstat"); + exit(91); + } + block_size = statbuf.st_blksize; #ifdef XFS if (prealloc) { xfs_flock64_t resv = { 0 }; @@ -1665,6 +1756,8 @@ main(int argc, char **argv) FALLOC_FL_KEEP_SIZE); if (zero_range_calls) zero_range_calls = test_fallocate(FALLOC_FL_ZERO_RANGE); + if (collapse_range_calls) + collapse_range_calls = test_fallocate(FALLOC_FL_COLLAPSE_RANGE); while (numops == -1 || numops--) test(); -- 1.8.3.1 From lczerner@redhat.com Wed Apr 2 10:55:16 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 54B5229DF7 for ; Wed, 2 Apr 2014 10:55:16 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 486FA8F8066 for ; Wed, 2 Apr 2014 08:55:12 -0700 (PDT) X-ASG-Debug-ID: 1396454111-04cb6c5678c09b50001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id cJ0QTG1CdHJTpxl2 for ; Wed, 02 Apr 2014 08:55:12 -0700 (PDT) X-Barracuda-Envelope-From: lczerner@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx13.intmail.prod.int.phx2.redhat.com (int-mx13.intmail.prod.int.phx2.redhat.com [10.5.11.26]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s32FtA4q009985 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Wed, 2 Apr 2014 11:55:10 -0400 Received: from dhcp-1-214.brq.redhat.com (dhcp-1-214.brq.redhat.com [10.34.1.214]) by int-mx13.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s32Ft7Xk016692 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Wed, 2 Apr 2014 11:55:09 -0400 Date: Wed, 2 Apr 2014 17:55:07 +0200 (CEST) From: =?ISO-8859-15?Q?Luk=E1=A8_Czerner?= X-X-Sender: lczerner@localhost.localdomain To: xfs@oss.sgi.com cc: linux-ext4@vger.kernel.org, linux-fsdevel@vger.kernel.org Subject: Re: [PATCH 1/2] fsx: Add fallocate collapse range operation In-Reply-To: <1396452800-25775-1-git-send-email-lczerner@redhat.com> X-ASG-Orig-Subj: Re: [PATCH 1/2] fsx: Add fallocate collapse range operation Message-ID: References: <1396452800-25775-1-git-send-email-lczerner@redhat.com> User-Agent: Alpine 2.00 (LFD 1167 2008-08-23) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII X-Scanned-By: MIMEDefang 2.68 on 10.5.11.26 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1396454111 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Wed, 2 Apr 2014, Lukas Czerner wrote: > Date: Wed, 2 Apr 2014 17:33:19 +0200 > From: Lukas Czerner > To: xfs@oss.sgi.com > Cc: linux-ext4@vger.kernel.org, linux-fsdevel@vger.kernel.org, > Lukas Czerner > Subject: [PATCH 1/2] fsx: Add fallocate collapse range operation > > This commit adds fallocate FALLOC_FL_COLLAPSE_RANGE support for fsx. Btw, this actually makes the fsx fail on ext4 and xfs after a while. I was trying to find a problem in fsx itself but I think it is actually ok. That means that we could possibly have bugs in ext4 and xfs collapse range implementation. More eyes are needed on this! Thanks! -Lukas > > Signed-off-by: Lukas Czerner > --- > ltp/fsx.c | 107 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++---- > 1 file changed, 100 insertions(+), 7 deletions(-) > > diff --git a/ltp/fsx.c b/ltp/fsx.c > index bd1ed76..47d3ee8 100644 > --- a/ltp/fsx.c > +++ b/ltp/fsx.c > @@ -90,11 +90,12 @@ int logcount = 0; /* total ops */ > #define OP_MAX_LITE 4 > > /* !lite operations */ > -#define OP_TRUNCATE 4 > -#define OP_FALLOCATE 5 > -#define OP_PUNCH_HOLE 6 > -#define OP_ZERO_RANGE 7 > -#define OP_MAX_FULL 8 > +#define OP_TRUNCATE 4 > +#define OP_FALLOCATE 5 > +#define OP_PUNCH_HOLE 6 > +#define OP_ZERO_RANGE 7 > +#define OP_COLLAPSE_RANGE 8 > +#define OP_MAX_FULL 9 > > /* operation modifiers */ > #define OP_CLOSEOPEN 100 > @@ -111,6 +112,7 @@ char *temp_buf; /* a pointer to the current data */ > char *fname; /* name of our test file */ > int fd; /* fd for our test file */ > > +blksize_t block_size = 0; > off_t file_size = 0; > off_t biggest = 0; > char state[256]; > @@ -142,6 +144,7 @@ int mapped_writes = 1; /* -W flag disables */ > int fallocate_calls = 1; /* -F flag disables */ > int punch_hole_calls = 1; /* -H flag disables */ > int zero_range_calls = 1; /* -z flag disables */ > +int collapse_range_calls = 1; /* -C flag disables */ > int mapped_reads = 1; /* -R flag disables it */ > int fsxgoodfd = 0; > int o_direct; /* -Z */ > @@ -321,13 +324,21 @@ logdump(void) > prt("\t******PPPP"); > break; > case OP_ZERO_RANGE: > - prt("ZERO 0x%x thru 0x%x\t(0x%x bytes)", > + prt("ZERO 0x%x thru 0x%x\t(0x%x bytes)", > lp->args[0], lp->args[0] + lp->args[1] - 1, > lp->args[1]); > if (badoff >= lp->args[0] && badoff < > lp->args[0] + lp->args[1]) > prt("\t******ZZZZ"); > break; > + case OP_COLLAPSE_RANGE: > + prt("COLLAPSE 0x%x thru 0x%x\t(0x%x bytes)", > + lp->args[0], lp->args[0] + lp->args[1] - 1, > + lp->args[1]); > + if (badoff >= lp->args[0] && badoff < > + lp->args[0] + lp->args[1]) > + prt("\t******CCCC"); > + break; > case OP_SKIPPED: > prt("SKIPPED (no operation)"); > break; > @@ -949,6 +960,58 @@ do_zero_range(unsigned offset, unsigned length) > } > #endif > > +#ifdef FALLOC_FL_COLLAPSE_RANGE > +void > +do_collapse_range(unsigned offset, unsigned length) > +{ > + unsigned end_offset; > + int mode = FALLOC_FL_COLLAPSE_RANGE; > + > + if (length == 0) { > + if (!quiet && testcalls > simulatedopcount) > + prt("skipping zero length collapse range\n"); > + log4(OP_SKIPPED, OP_COLLAPSE_RANGE, offset, length); > + return; > + } > + > + end_offset = offset + length; > + if ((loff_t)end_offset >= file_size) { > + if (!quiet && testcalls > simulatedopcount) > + prt("skipping collapse range behind EOF\n"); > + log4(OP_SKIPPED, OP_COLLAPSE_RANGE, offset, length); > + return; > + } > + > + log4(OP_COLLAPSE_RANGE, offset, length, 0); > + > + if (testcalls <= simulatedopcount) > + return; > + > + if ((progressinterval && testcalls % progressinterval == 0) || > + (debug && (monitorstart == -1 || monitorend == -1 || > + end_offset <= monitorend))) { > + prt("%lu collapse\tfrom 0x%x to 0x%x, (0x%x bytes)\n", testcalls, > + offset, offset+length, length); > + } > + if (fallocate(fd, mode, (loff_t)offset, (loff_t)length) == -1) { > + prt("collapse range: %x to %x\n", offset, length); > + prterr("do_collapse_range: fallocate"); > + report_failure(161); > + } > + > + memmove(good_buf + offset, good_buf + end_offset, > + file_size - end_offset); > + file_size -= length; > +} > + > +#else > +void > +do_collapse_range(unsigned offset, unsigned length) > +{ > + return; > +} > +#endif > + > #ifdef HAVE_LINUX_FALLOC_H > /* fallocate is basically a no-op unless extending, then a lot like a truncate */ > void > @@ -1123,6 +1186,12 @@ test(void) > goto out; > } > break; > + case OP_COLLAPSE_RANGE: > + if (!collapse_range_calls) { > + log4(OP_SKIPPED, OP_COLLAPSE_RANGE, offset, size); > + goto out; > + } > + break; > } > > switch (op) { > @@ -1165,6 +1234,16 @@ test(void) > TRIM_OFF_LEN(offset, size, file_size); > do_zero_range(offset, size); > break; > + case OP_COLLAPSE_RANGE: > + TRIM_OFF_LEN(offset, size, file_size - 1); > + offset = offset & ~(block_size - 1); > + size = size & ~(block_size - 1); > + if (size == 0) { > + log4(OP_SKIPPED, OP_COLLAPSE_RANGE, offset, size); > + goto out; > + } > + do_collapse_range(offset, size); > + break; > default: > prterr("test: unknown operation"); > report_failure(42); > @@ -1225,6 +1304,9 @@ usage(void) > #ifdef FALLOC_FL_ZERO_RANGE > " -z: Do not use zero range calls\n" > #endif > +#ifdef FALLOC_FL_COLLAPSE_RANGE > +" -C: Do not use collapse range calls\n" > +#endif > " -L: fsxLite - no file creations & no file size changes\n\ > -N numops: total # operations to do (default infinity)\n\ > -O: use oplen (see -o flag) for every op (default random)\n\ > @@ -1399,6 +1481,7 @@ main(int argc, char **argv) > char *endp; > char goodfile[1024]; > char logfile[1024]; > + struct stat statbuf; > > goodfile[0] = 0; > logfile[0] = 0; > @@ -1410,7 +1493,7 @@ main(int argc, char **argv) > > setvbuf(stdout, (char *)0, _IOLBF, 0); /* line buffered stdout */ > > - while ((ch = getopt(argc, argv, "b:c:dfl:m:no:p:qr:s:t:w:xyAD:FHzLN:OP:RS:WZ")) > + while ((ch = getopt(argc, argv, "b:c:dfl:m:no:p:qr:s:t:w:xyAD:FHzCLN:OP:RS:WZ")) > != EOF) > switch (ch) { > case 'b': > @@ -1513,6 +1596,9 @@ main(int argc, char **argv) > case 'z': > zero_range_calls = 0; > break; > + case 'C': > + collapse_range_calls = 0; > + break; > case 'L': > lite = 1; > break; > @@ -1579,6 +1665,11 @@ main(int argc, char **argv) > prterr(fname); > exit(91); > } > + if (fstat(fd, &statbuf)) { > + prterr("check_size: fstat"); > + exit(91); > + } > + block_size = statbuf.st_blksize; > #ifdef XFS > if (prealloc) { > xfs_flock64_t resv = { 0 }; > @@ -1665,6 +1756,8 @@ main(int argc, char **argv) > FALLOC_FL_KEEP_SIZE); > if (zero_range_calls) > zero_range_calls = test_fallocate(FALLOC_FL_ZERO_RANGE); > + if (collapse_range_calls) > + collapse_range_calls = test_fallocate(FALLOC_FL_COLLAPSE_RANGE); > > while (numops == -1 || numops--) > test(); > From bfoster@redhat.com Wed Apr 2 15:11:22 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 0657B7F78 for ; Wed, 2 Apr 2014 15:11:22 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id DC0F7304053 for ; Wed, 2 Apr 2014 13:11:18 -0700 (PDT) X-ASG-Debug-ID: 1396469476-04bdf05dabc43680001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id CFrj8aCIjpaa2rJ4 for ; Wed, 02 Apr 2014 13:11:17 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx09.intmail.prod.int.phx2.redhat.com (int-mx09.intmail.prod.int.phx2.redhat.com [10.5.11.22]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s32KBDHx027733 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Wed, 2 Apr 2014 16:11:14 -0400 Received: from laptop.bfoster (vpn-59-88.rdu2.redhat.com [10.10.59.88]) by int-mx09.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s32KBCGL031492; Wed, 2 Apr 2014 16:11:12 -0400 Received: from laptop.bfoster (localhost.localdomain [127.0.0.1]) by laptop.bfoster (Postfix) with ESMTP id 03E61120ADC; Wed, 2 Apr 2014 16:11:12 -0400 (EDT) Received: (from bfoster@localhost) by laptop.bfoster (8.14.7/8.14.7/Submit) id s32KBAOX006755; Wed, 2 Apr 2014 16:11:10 -0400 X-Authentication-Warning: laptop.bfoster: bfoster set sender to bfoster@redhat.com using -f Date: Wed, 2 Apr 2014 16:11:10 -0400 From: Brian Foster To: Dave Chinner Cc: xfs@oss.sgi.com Subject: Re: [PATCH 4/5] xfs: run an eofblocks scan on ENOSPC/EDQUOT Message-ID: <20140402201110.GC3043@laptop.bfoster> X-ASG-Orig-Subj: Re: [PATCH 4/5] xfs: run an eofblocks scan on ENOSPC/EDQUOT References: <1396012563-60973-1-git-send-email-bfoster@redhat.com> <1396012563-60973-5-git-send-email-bfoster@redhat.com> <20140331222246.GF17603@dastard> <20140401135518.GC21540@bfoster.bfoster> <20140401211926.GH17603@dastard> <20140401232022.GA15934@bfoster.bfoster> <20140402051103.GL17603@dastard> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140402051103.GL17603@dastard> User-Agent: Mutt/1.5.21 (2010-09-15) X-Scanned-By: MIMEDefang 2.68 on 10.5.11.22 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1396469477 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Wed, Apr 02, 2014 at 04:11:03PM +1100, Dave Chinner wrote: > On Tue, Apr 01, 2014 at 07:20:23PM -0400, Brian Foster wrote: > > On Wed, Apr 02, 2014 at 08:19:26AM +1100, Dave Chinner wrote: > > > On Tue, Apr 01, 2014 at 09:55:18AM -0400, Brian Foster wrote: > > > Yes, it means that there is a global flush when a project quota runs > > > out of space, but it means that we only do it once and we don't burn > > > excessive CPU walking radix trees scanning inodes needlessly every > > > time we get a storm of processes hammering project quota ENOSPC. > > > > > > > It's not clear to me that excess scanning is an issue, but it seems > > Have 100 threads hit ENOSPC on the same project quota at the same > time on a filesystem with a couple of thousand AGs with a few > million cached inode, and then you'll see the problem.... > Right, that certainly sounds like a mess if we kicked off a bunch of the mini-flush scans. I'm curious how much overhead there would be with the flush out of the picture and a scan can actually go ahead and free up some space (hopefully) quickly. That's something I'll have to test. > > orthogonal to how we organize the enospc logic (at least once the flush > > is out of the equation). IOW, we'll invoke the scanner with the same > > frequency either way. Or maybe you are just referring to scanning > > specifically for the purpose of doing flushes as a waste..? > > Well, lots of concurrent scanning for the same purpose is highly > inefficient - look at the amount of additional serialisation in the > inode recalim walker that is aimed at reducing concurrency to one > reclaim thread per AG at a time... > Interesting, and I think this touches a bit on what I mean by the scanning being somewhat orthogonal to the purpose of this patch. If the scanning does turn out to be a real problem in this particular context, why not try to improve the efficiency of the scan? We could include this kind of per-ag locking for internal scans, or perhaps create a new scan mode that exits after freeing a specified amount of space, etc. > I expect that if the serialisation on xfs_flush_inodes() isn't > sufficient to throttle eofblock scanning concurrency in case like > the above then we'll know about it pretty quickly. > How much space should we expect xfs_flush_inodes() to free up? Using your example of the unconditional flush followed by the global scan - it seems like it could throttle things temporarily by allowing some set of writers to serialize on a flush and hopefully soon after that other writers can allocate space again. Once we're past that, those flushing threads head into the scan just the same. So I guess the question is, will the flush satisfy concurrent writers long enough for one of the flush inducing threads to get into the scan and prevent others from queuing further? If so, it seems like a potential positive if the overhead of the flush is less than the overhead of the "unbounded" scan in the same scenario. If not, it seems like it could also be a potential net negative because we'll effectively queue more threads on the flush that could have avoided allocation failure were a scan already running and freeing space. I guess that all depends on how long the flush takes, how much data is in cache, storage hardware, etc. Something else I'll have to experiment with a little more I suppose... :) > > > > simplify things. The helper can run the quota scan and/or the global > > > > scan based on the data regarding the situation (i.e., the inode and > > > > associated quota characteristics). This allows us to preserve the notion > > > > of attempting a lightweight recovery first and a heavyweight recovery > > > > second, reserving the inode flush for when space is truly tight. > > > > Thoughts? > > > > > > It's still damn clunky, IMO. It's still trying to work around the > > > fact that project quotas use ENOSPC rather than EDQUOT, and that > > > makes the logic rather twisted. And it still has that hidden data > > > flush in it so it can't really be called lightweight... > > > > > > > Ok. Well if the high level logic is the issue, we could still turn that > > inside out a bit to use your EDQUOT/ENOSPC logic, yet still preserve the > > standalone eofblocks scan. It might be a few more lines, but perhaps > > more clear. E.g.: > > > > if (ret == -EDQUOT && !enospc) { > > enospc = 1; > > xfs_inode_free_quota_eofblocks(ip); > > goto retry; > > else if (ret == -ENOSPC && !enospc) { > > if (!scanned) { > > struct xfs_eofblocks eofb = {0}; > > ... > > scanned = 1; > > xfs_icache_free_eofblocks(ip->i_mount, &eofb); > > goto retry; > > } > > > > enospc = 1; > > xfs_flush_inodes(ip->i_mount); > > goto retry; > > } > > > > Thoughts on that? > > Even more convoluted. :/ > That's pretty close to your example with the exception of adding the retry after the scan and the scan/flush order. It loses the EDQUT/ENOSPC confusion. > Look at it this way - I've never been a fan of this "retry write on > enospc once" code. It's a necessary evil due to the reality of > locking orders and having to back out of the write far enough to > safely trigger dirty inode writeback so we *might* be able to write > this data. Making this code more finicky and tricky is the last > thing I think we should be doing. > > I don't have any better ideas at this point - I'm still tired and > jetlagged and need to sort out everything for a merge window pull of > the current tree, so time for me to think up a creative solution is > limited. I'm hoping that you might be able to think of a different > way entirely of doing this "write retry on ENOSPC" that dolves all > these problems simply and easily ;) > Fair enough, that's certainly more helpful. ;) We're probably closer on this than I thought. I'm not arguing because I think this code is great, but rather because the behavior we have seems kind of obtuse in particular situations and can be improved with some reasonably small changes. > > We'll handle project quota ENOSPC just as we handle > > global ENOSPC with respect to the scan and the flush, but we'll still > > have the opportunity to free up a decent amount of space without > > initiating I/O. The project quota scan down in free_quota_eofblocks() > > might be rendered pointless as well. > > Well, therein lies an avenue of investigation: for EOF block > trimming, why would we need to do a flush first, even for project > quotas? And if we aren't going to flush data, why does it need to be > done at this level? Can it be done deep in the quota code where we > know exactly what quota ran out of space? > This is something I considered way back when first looking at this (http://oss.sgi.com/archives/xfs/2012-12/msg00112.html). I don't recall specifically what made that difficult, perhaps lack of enough information to run a scan in a single context. I'll reset and have another look at it. Brian > Cheers, > > Dave. > -- > Dave Chinner > david@fromorbit.com From david@fromorbit.com Wed Apr 2 20:14:31 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id CB8CD29E05 for ; Wed, 2 Apr 2014 20:14:31 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id B842B8F8092 for ; Wed, 2 Apr 2014 18:14:28 -0700 (PDT) X-ASG-Debug-ID: 1396487665-04cb6c5675c2a010001-NocioJ Received: from ipmail06.adl6.internode.on.net (ipmail06.adl6.internode.on.net [150.101.137.145]) by cuda.sgi.com with ESMTP id GRuCH1H5uNp5BSCq for ; Wed, 02 Apr 2014 18:14:26 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.145 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: Ap1PAHW1PFN5LEcvPGdsb2JhbABZDoJ4iFW8JYEbFwMBAQEBODWCJQEBAQMBOhwREgULCAMYCSUPBSUDBxoTG4dWB89bFxaOWgeEOASYV5Qrf1Qp Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail06.adl6.internode.on.net with ESMTP; 03 Apr 2014 11:44:15 +1030 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WVWEN-0000Gh-V4; Thu, 03 Apr 2014 12:14:11 +1100 Date: Thu, 3 Apr 2014 12:14:11 +1100 From: Dave Chinner To: Theodore Ts'o Cc: Sedat Dilek , lsf@lists.linux-foundation.org, linux-ext4@vger.kernel.org, linux-fsdevel@vger.kernel.org, xfs@oss.sgi.com Subject: Re: [Lsf] [PATCH] xfstests-bld: Simplify determination of number of CPUs in build-all Message-ID: <20140403011411.GL16336@dastard> X-ASG-Orig-Subj: Re: [Lsf] [PATCH] xfstests-bld: Simplify determination of number of CPUs in build-all References: <1395997399-3000-1-git-send-email-sedat.dilek@gmail.com> <20140328161806.GA31772@thunk.org> <20140331025148.GF16336@dastard> <20140401023711.GE4911@thunk.org> <20140401222823.GJ17603@dastard> <20140402142620.GA6901@thunk.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140402142620.GA6901@thunk.org> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail06.adl6.internode.on.net[150.101.137.145] X-Barracuda-Start-Time: 1396487665 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC5_SA210e X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4531 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC5_SA210e Custom Rule SA210e On Wed, Apr 02, 2014 at 10:26:20AM -0400, Theodore Ts'o wrote: > On Wed, Apr 02, 2014 at 09:28:23AM +1100, Dave Chinner wrote: > > > And of course, whether changes in the mainline kernel tree are > > > manually propagated changes from the xfstests.git tree, or whether > > > primary development happens in the kernel tree, is ultimately going to > > > be up to you and the XFS developers who have stewardship of xfstests. > > > I'm not sure I would be that excited about manual propagation of > > > changes from one git tree to another, but that is of course, up to > > > you. > > > > And this is exactly my point, Ted. Again, you are presuming that the > > implementation is going to require syncing commits across disparate > > git trees and other such games will be needed to maintain separate > > packages. Nothing could be further from the truth: we already have > > this problem with the shared XFS kernel/userspace code and it's a > > royal PITA keeping them in sync. Hence introducing the same > > maintenance problem with new code and infrastructure is highly > > undesirable and something we'll try to avoid at all costs. > > Actually, I was presuming that the thing that makes the most sense was > to move all or most of the tests in xfstests into the kernel tests > tree. And then you complained that I was making a presumption that > this was the only sane thing to do. That's why I said, "if you want > to do something insane, be my guest". So, you think there's only one "sane" solution. That's a massive assumption, and that's what I'm pointing out. It's perfectly sane to treat the kernel tree as just another downstream consumer of xfstests, and simple add infrastructure to the kernel tree to source and build xfstests from the upstream repo. Indeed, this is the existing model that seems to work for just about everyone, so I see no reason why we should treat Greg's request any differently. IOWs, you're assumming that the only thing that makes sense is that "kernel tree == upstream". We don't push code into the kernel tree just because it's the Kernel Tree. We push code there if it makes sense to do so - either from a commercial or technical PO. We have no commercial motive to move xfstests into the kernel tree, and I see a lot technical downsides to moving xfstests in it's entirity to the kernel tree. So, really, putting some infrastructure into the kernel tree to use xfstests (i.e. a downstream consumer) makes a lot more sense from a technical point of view than making the kernel tree the xfstests upstream. It's a sane way to solve the problem that Greg wanted solved - the kernel tree carries the infrastructure needed to solve the "test in place" use case that -stable maintainers want, but it doesn't turn test development nor filesystem developer work flows on their head nor make xfstests less useful to existing users. > I have nothing against doing a formal requirements process, that's I'm not doing anything formal, just doing the right thing to make sure we don't do all the work and then be told "not acceptable".... > fine, but I think there are certain things about what the final > solution of "test in the kernel git tree" will look like that are > pretty obvious. Certain things, yes. Like using kvm to run the tests in a container. Just what form that takes is not clear right now... Cheers, Dave. -- Dave Chinner david@fromorbit.com From rickie@olivedrabgs.com Wed Apr 2 22:34:15 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=HTML_MESSAGE,RCVD_NUMERIC_HELO autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 5B3417F59 for ; Wed, 2 Apr 2014 22:34:15 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id 164C5304053 for ; Wed, 2 Apr 2014 20:34:11 -0700 (PDT) X-ASG-Debug-ID: 1396496047-04bdf05dacc58960001-NocioJ Received: from smtp311.phy.lolipop.jp (smtp311.phy.lolipop.jp [210.157.22.79]) by cuda.sgi.com with ESMTP id E2FTQhwik1OjKX1D for ; Wed, 02 Apr 2014 20:34:08 -0700 (PDT) X-Barracuda-Envelope-From: rickie@olivedrabgs.com X-Barracuda-Apparent-Source-IP: 210.157.22.79 Received: from smtp311.phy.lolipop.lan (HELO smtp311.phy.lolipop.jp) (172.17.1.11) (smtp-auth username rickie@olivedrabgs.com, mechanism plain) by smtp311.phy.lolipop.jp (qpsmtpd/0.82) with ESMTPA; Thu, 03 Apr 2014 12:34:07 +0900 Received: from 49.144.77.32 (49.144.77.32) by smtp311.phy.lolipop.jp (LOLIPOP-Fsecure); Thu, 03 Apr 2014 12:33:43 +0900 (JST) X-Virus-Status: clean(LOLIPOP-Fsecure) Message-ID: <533CD6B7.1060809@olivedrabgs.com> Date: Thu, 03 Apr 2014 11:34:15 +0800 From: "Rickie Amado (PersuasiveSVC)" User-Agent: Mozilla/5.0 (Windows NT 6.1; rv:24.0) Gecko/20100101 Thunderbird/24.4.0 MIME-Version: 1.0 To: undisclosed-recipients:; Subject: ODGS, Inc. | Software Development Service Content-Type: multipart/alternative; boundary="------------000700020403030505020106" X-ASG-Orig-Subj: ODGS, Inc. | Software Development Service X-Barracuda-Connect: smtp311.phy.lolipop.jp[210.157.22.79] X-Barracuda-Start-Time: 1396496048 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 1.75 X-Barracuda-Spam-Status: No, SCORE=1.75 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MV0224, HTML_MESSAGE, RCVD_NUMERIC_HELO, RCVD_NUMERIC_HELO_2 X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4534 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 RCVD_NUMERIC_HELO Received: contains an IP address used for HELO 0.00 HTML_MESSAGE BODY: HTML included in message 0.50 BSF_SC0_MV0224 FULL: Custom rule MV0224 1.25 RCVD_NUMERIC_HELO_2 Received: contains an IP address used for HELO This is a multi-part message in MIME format. --------------000700020403030505020106 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Dear Customer, good day ! For more than 2 years now, ODGS, Inc. provided *Quality IT-related Services* to various industries like Restaurants, Manufacturing, BPO, Real Estate, as well as fellow IT companies, and more, with *Reasonable Cost*. We provide *Inventory* System, *HR* System, *Billing* System, and other *Custom**ized**Software* solutions you may require. Our company is composed of *Skilled Software Developers* who will help you build your required IT solutions. We have teams of developers using *.NET* (C#, VB, ASP), *PHP* (CodeIgniter, Wordpress), as well as *Java* (Struts, Spring/Hibernate). I would like to request a *5-minute call* to discuss how we can support you with your IT concerns. Thank you and looking forward to hearing from you soon ! -- Regards, ----+----1----+----2----+----3----+----4----+----5----+----6----+----7-- Roderick Amado Olive Drab Global Services, Inc. (http://www.olivedrabgs.com) Suite 22, Zeta Building, 191 Salcedo Street, Legaspi Village, Makati City 1229, Philippines Cellphone : +63-918-933-7301 Landline : +63-2-553-7405 (Reception) +63-2-553-7406 (President's Office) "Storms make trees take deeper roots." --------------000700020403030505020106 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit
Dear Customer, good day !

For more than 2 years now, ODGS, Inc. provided Quality IT-related Services to various industries like Restaurants, Manufacturing, BPO, Real Estate, as well as fellow IT companies, and more, with Reasonable Cost.  We provide Inventory System, HR System, Billing System, and other Customized Software solutions you may require.

Our company is composed of Skilled Software Developers who will help you build your required IT solutions.
We have teams of developers using .NET (C#, VB, ASP), PHP (CodeIgniter, Wordpress), as well as Java (Struts, Spring/Hibernate).

I would like to request a 5-minute call to discuss how we can support you with your IT concerns.

Thank you and looking forward to hearing from you soon !


 
-- 
Regards,
----+----1----+----2----+----3----+----4----+----5----+----6----+----7--
Roderick Amado
Olive Drab Global Services, Inc. (http://www.olivedrabgs.com)
Suite 22, Zeta Building, 191 Salcedo Street, Legaspi Village,
Makati City 1229, Philippines
Cellphone : +63-918-933-7301
Landline  : +63-2-553-7405 (Reception)
            +63-2-553-7406 (President's Office)

"Storms make trees take deeper roots."
 
--------------000700020403030505020106-- From lczerner@redhat.com Thu Apr 3 05:27:05 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 61F137F60 for ; Thu, 3 Apr 2014 05:27:05 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 369988F80B8 for ; Thu, 3 Apr 2014 03:27:01 -0700 (PDT) X-ASG-Debug-ID: 1396520820-04cb6c5677c42ff0001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id 49ADkVwOQtfiBHz6 for ; Thu, 03 Apr 2014 03:27:01 -0700 (PDT) X-Barracuda-Envelope-From: lczerner@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s33AQmBJ010462 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Thu, 3 Apr 2014 06:26:48 -0400 Received: from dhcp-1-214.brq.redhat.com (dhcp-1-214.brq.redhat.com [10.34.1.214]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s33AQj7w018407 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Thu, 3 Apr 2014 06:26:46 -0400 Date: Thu, 3 Apr 2014 12:26:44 +0200 (CEST) From: =?ISO-8859-15?Q?Luk=E1=A8_Czerner?= X-X-Sender: lczerner@localhost.localdomain To: Dave Chinner cc: "Theodore Ts'o" , Sedat Dilek , lsf@lists.linux-foundation.org, linux-ext4@vger.kernel.org, linux-fsdevel@vger.kernel.org, xfs@oss.sgi.com Subject: Re: [Lsf] [PATCH] xfstests-bld: Simplify determination of number of CPUs in build-all In-Reply-To: <20140403011411.GL16336@dastard> X-ASG-Orig-Subj: Re: [Lsf] [PATCH] xfstests-bld: Simplify determination of number of CPUs in build-all Message-ID: References: <1395997399-3000-1-git-send-email-sedat.dilek@gmail.com> <20140328161806.GA31772@thunk.org> <20140331025148.GF16336@dastard> <20140401023711.GE4911@thunk.org> <20140401222823.GJ17603@dastard> <20140402142620.GA6901@thunk.org> <20140403011411.GL16336@dastard> User-Agent: Alpine 2.00 (LFD 1167 2008-08-23) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1396520820 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Thu, 3 Apr 2014, Dave Chinner wrote: > Date: Thu, 3 Apr 2014 12:14:11 +1100 > From: Dave Chinner > To: Theodore Ts'o > Cc: Sedat Dilek , lsf@lists.linux-foundation.org, > linux-ext4@vger.kernel.org, linux-fsdevel@vger.kernel.org, xfs@oss.sgi.com > Subject: Re: [Lsf] [PATCH] xfstests-bld: Simplify determination of number of > CPUs in build-all > > On Wed, Apr 02, 2014 at 10:26:20AM -0400, Theodore Ts'o wrote: > > On Wed, Apr 02, 2014 at 09:28:23AM +1100, Dave Chinner wrote: > > > > And of course, whether changes in the mainline kernel tree are > > > > manually propagated changes from the xfstests.git tree, or whether > > > > primary development happens in the kernel tree, is ultimately going to > > > > be up to you and the XFS developers who have stewardship of xfstests. > > > > I'm not sure I would be that excited about manual propagation of > > > > changes from one git tree to another, but that is of course, up to > > > > you. > > > > > > And this is exactly my point, Ted. Again, you are presuming that the > > > implementation is going to require syncing commits across disparate > > > git trees and other such games will be needed to maintain separate > > > packages. Nothing could be further from the truth: we already have > > > this problem with the shared XFS kernel/userspace code and it's a > > > royal PITA keeping them in sync. Hence introducing the same > > > maintenance problem with new code and infrastructure is highly > > > undesirable and something we'll try to avoid at all costs. > > > > Actually, I was presuming that the thing that makes the most sense was > > to move all or most of the tests in xfstests into the kernel tests > > tree. And then you complained that I was making a presumption that > > this was the only sane thing to do. That's why I said, "if you want > > to do something insane, be my guest". > > So, you think there's only one "sane" solution. That's a massive > assumption, and that's what I'm pointing out. > > It's perfectly sane to treat the kernel tree as just another > downstream consumer of xfstests, and simple add infrastructure to > the kernel tree to source and build xfstests from the upstream repo. That's what I think is the best approach as well. We'll still have separate tree for the xfstests which works for everyone and infrastructure in kernel tree which will simply use it. Looking at rcutorture tests in kernel tree, they are indeed using qemu and it looks like that they are running those tests directly from init script - we really need an image to boot from. We could use virtme https://git.kernel.org/cgit/utils/kernel/virtme/virtme.git/ which seems like a best option. Alternatively we could allow users passing their own image as well. Then we would need init script which would download and build xfstests, xfsprogs and possible other dependencies (such as fio) and finally run xfstests itself. Colnsole output from the qemu can be redirected to the file in the host, so that's ok, but we still need a way to retrieve 'retults' directory from the test. We'd also need a devices to test on (at least TEST_DEV and SCRATCH_DEV). Those could be files a of set size exported to qemu as block devices. I think that looking at rcutorture test infrastructure is a good start and we can possibly reuse parts of it for actually running the qemu and then reuse parts of Ted's solution to run xfstests in the virtual guest. Thanks! -Lukas > Indeed, this is the existing model that seems to work for just about > everyone, so I see no reason why we should treat Greg's request any > differently. > > IOWs, you're assumming that the only thing that makes sense is that > "kernel tree == upstream". We don't push code into the kernel tree > just because it's the Kernel Tree. We push code there if it makes > sense to do so - either from a commercial or technical PO. We have > no commercial motive to move xfstests into the kernel tree, and I > see a lot technical downsides to moving xfstests in it's entirity to the > kernel tree. > > So, really, putting some infrastructure into the kernel tree to use > xfstests (i.e. a downstream consumer) makes a lot more sense from a > technical point of view than making the kernel tree the xfstests > upstream. > > It's a sane way to solve the problem that Greg wanted solved - the > kernel tree carries the infrastructure needed to solve the "test in > place" use case that -stable maintainers want, but it doesn't turn > test development nor filesystem developer work flows on their head > nor make xfstests less useful to existing users. > > > I have nothing against doing a formal requirements process, that's > > I'm not doing anything formal, just doing the right thing to make > sure we don't do all the work and then be told "not acceptable".... > > > fine, but I think there are certain things about what the final > > solution of "test in the kernel git tree" will look like that are > > pretty obvious. > > Certain things, yes. Like using kvm to run the tests in a container. > Just what form that takes is not clear right now... > > Cheers, > > Dave. > From BATV+541636404dd8f7fa9db7+3875+infradead.org+hch@bombadil.srs.infradead.org Thu Apr 3 06:07:34 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id B2EE57F51 for ; Thu, 3 Apr 2014 06:07:34 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id 85BA9304048 for ; Thu, 3 Apr 2014 04:07:31 -0700 (PDT) X-ASG-Debug-ID: 1396523250-04bdf05dabc6d890001-NocioJ Received: from bombadil.infradead.org ([198.137.202.9]) by cuda.sgi.com with ESMTP id i9coGY6LgHhPnqw6 (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Thu, 03 Apr 2014 04:07:30 -0700 (PDT) X-Barracuda-Envelope-From: BATV+541636404dd8f7fa9db7+3875+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.80.1 #2 (Red Hat Linux)) id 1WVfUY-00082W-4Q; Thu, 03 Apr 2014 11:07:30 +0000 Date: Thu, 3 Apr 2014 04:07:30 -0700 From: Christoph Hellwig To: Dave Chinner Cc: Christoph Hellwig , xfs@oss.sgi.com Subject: Re: [PATCH 3/3] xfs: add a test for unlinked inodes due to O_TMPFILE Message-ID: <20140403110730.GB26244@infradead.org> X-ASG-Orig-Subj: Re: [PATCH 3/3] xfs: add a test for unlinked inodes due to O_TMPFILE References: <20140313101302.996355155@bombadil.infradead.org> <20140313101433.608283621@bombadil.infradead.org> <20140313112907.GJ4263@dastard> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140313112907.GJ4263@dastard> User-Agent: Mutt/1.5.21 (2010-09-15) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html X-Barracuda-Connect: UNKNOWN[198.137.202.9] X-Barracuda-Start-Time: 1396523250 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.10 X-Barracuda-Spam-Status: No, SCORE=0.10 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=RDNS_NONE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4542 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.10 RDNS_NONE Delivered to trusted network by a host with no rDNS Skipping this for now, filtering the repair output properly is going to be a lot of work, and I'd rather do a generic unlinked inode list recovery test instead of tying it to O_TMPFILE. With the first patch already reviewed and the second updated those should be ready to apply now. From contact@theyiffgallery.com Thu Apr 3 08:06:03 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=FREEMAIL_FROM autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 1CE9C7F63 for ; Thu, 3 Apr 2014 08:06:03 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id E0AEB8F8033 for ; Thu, 3 Apr 2014 06:05:59 -0700 (PDT) X-ASG-Debug-ID: 1396530356-04bdf05dacc74cf0001-NocioJ Received: from triton123.server4you.net (triton123.server4you.de [85.25.111.155]) by cuda.sgi.com with ESMTP id JyDj4iRqR7DsLaYE (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Thu, 03 Apr 2014 06:05:57 -0700 (PDT) X-Barracuda-Envelope-From: contact@theyiffgallery.com X-Barracuda-Apparent-Source-IP: 85.25.111.155 Received: by triton123.server4you.net (Postfix, from userid 10000) id 2EF5A25EF07B; Thu, 3 Apr 2014 15:05:23 +0200 (CEST) To: xfs@oss.sgi.com Subject: Order questions. 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Sales, How are you doing today! I'm very much interested in purchasing some of your products but firstly i want to make an inquiry if you can ship directly to us here in Tortola, British Virgin Islands, 1. Do you accept credit card Yes / No ( Answer ) 2. What type of card do you accept 3. Do you ship to British Virgin Islands Yes / No ( Answer ) 3) Can you work hand in hand with my freight forwarder personal shipping agent? so they can Pickup the products directly from your location down to us here in the British Virgin Islands Yes / No ( Answer ) I'll be looking forward to hearing from you. Thank you, President, Owner. Andrea Roberto. From mgorman@suse.de Thu Apr 3 08:16:18 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 621637F76 for ; Thu, 3 Apr 2014 08:16:18 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id DA146AC002 for ; Thu, 3 Apr 2014 06:16:17 -0700 (PDT) X-ASG-Debug-ID: 1396530975-04cbb054b8a5d2f0001-NocioJ Received: from mx2.suse.de (cantor2.suse.de [195.135.220.15]) by cuda.sgi.com with ESMTP id MJ3AZa3eTmbcPynj (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Thu, 03 Apr 2014 06:16:16 -0700 (PDT) X-Barracuda-Envelope-From: mgorman@suse.de X-Barracuda-Apparent-Source-IP: 195.135.220.15 Received: from relay1.suse.de (charybdis-ext.suse.de [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id 7B3F0AB0E; Thu, 3 Apr 2014 13:16:14 +0000 (UTC) Date: Thu, 3 Apr 2014 14:16:10 +0100 From: Mel Gorman To: Theodore Ts'o Cc: Dave Chinner , Sedat Dilek , lsf@lists.linux-foundation.org, linux-ext4@vger.kernel.org, linux-fsdevel@vger.kernel.org, xfs@oss.sgi.com Subject: Re: [Lsf] [PATCH] xfstests-bld: Simplify determination of number of CPUs in build-all Message-ID: <20140403131610.GB7292@suse.de> X-ASG-Orig-Subj: Re: [Lsf] [PATCH] xfstests-bld: Simplify determination of number of CPUs in build-all References: <1395997399-3000-1-git-send-email-sedat.dilek@gmail.com> <20140328161806.GA31772@thunk.org> <20140331025148.GF16336@dastard> <20140401023711.GE4911@thunk.org> <20140401222823.GJ17603@dastard> <20140402142620.GA6901@thunk.org> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-15 Content-Disposition: inline In-Reply-To: <20140402142620.GA6901@thunk.org> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: cantor2.suse.de[195.135.220.15] X-Barracuda-Start-Time: 1396530975 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC5_SA210e X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4544 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC5_SA210e Custom Rule SA210e On Wed, Apr 02, 2014 at 10:26:20AM -0400, Theodore Ts'o wrote: > On Wed, Apr 02, 2014 at 09:28:23AM +1100, Dave Chinner wrote: > > > And of course, whether changes in the mainline kernel tree are > > > manually propagated changes from the xfstests.git tree, or whether > > > primary development happens in the kernel tree, is ultimately going to > > > be up to you and the XFS developers who have stewardship of xfstests. > > > I'm not sure I would be that excited about manual propagation of > > > changes from one git tree to another, but that is of course, up to > > > you. > > > > And this is exactly my point, Ted. Again, you are presuming that the > > implementation is going to require syncing commits across disparate > > git trees and other such games will be needed to maintain separate > > packages. Nothing could be further from the truth: we already have > > this problem with the shared XFS kernel/userspace code and it's a > > royal PITA keeping them in sync. Hence introducing the same > > maintenance problem with new code and infrastructure is highly > > undesirable and something we'll try to avoid at all costs. > > Actually, I was presuming that the thing that makes the most sense was > to move all or most of the tests in xfstests into the kernel tests > tree. And then you complained that I was making a presumption that > this was the only sane thing to do. That's why I said, "if you want > to do something insane, be my guest". > FWIW, I also don't think that xfstests or a framework should go into the kernel tree for the following reasons 1. Tests can be created during the release cycle and it does not make sense to tie the availabilty of tests to the availability of a kernel. If someone is running tests against historical tests, they must first checkout the most recent kernel tree, build xfstests and then checkout the old tree. Yes, users can be given a patch against the kernel tree to add a new test but they still have this awkward switching back and forth between the branch that has the test and the kernel they are running the test against. Recent example -- trinity 1.3 does not trigger MM bugs. Until recently, the latest git version of trinity caused massive damage. If trinity had been in the tree someone might have accidentally concluded that 3.13 was "fine" 2. It would be relatively easy for someone to mistakenly bisect xfstests instead of bisecting the kernel although my understanding is that tests do not change per-se, only new ones are added. There may be exceptions to this rule 3. With testing automation, it's not that hard to download the requirements for it. mmtests prefers to use a local mirror but falls back to downloading tarballs, checking out git trees or mercurcial trees as appropriate. It's just a few lines of code (most of which is auto-generated from a template). 4. Testing monoculture. Sometimes the value of a benchmark is because different people run it differently for whatever reason. My IO tests for example all tune the benchmark to at least 2*RAM but that misses the cases where there are regressions in IO to a file that fits in memory. xfstests might have similar problems but minimally it would be a shame if the framework always used the same mount options for example. FWIW I've had bugs reported that were real bugs and only revealed because the benchmark parameters made no sense but still found a bug by accident. Overall I have little motivation to having all the tests in the kernel tree. That said, I already have an automated framework I can use so I would not feel as strongly about the problem. The point is that putting tests in tree or out of tree is neither sane nor insane. It's simply different approaches so people on the thread should be wary of trying to label the other person as being mental just because of where they want to stick a test. -- Mel Gorman SUSE Labs From luto@amacapital.net Thu Apr 3 12:05:56 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 37CB37F81 for ; Thu, 3 Apr 2014 12:05:56 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id 0436F304067 for ; Thu, 3 Apr 2014 10:05:52 -0700 (PDT) X-ASG-Debug-ID: 1396544747-04bdf05daac81020001-NocioJ Received: from mail-qc0-f182.google.com (mail-qc0-f182.google.com [209.85.216.182]) by cuda.sgi.com with ESMTP id SX62ZZGDbvxmJHfH (version=TLSv1 cipher=RC4-SHA bits=128 verify=NO) for ; Thu, 03 Apr 2014 10:05:47 -0700 (PDT) X-Barracuda-Envelope-From: luto@amacapital.net X-Barracuda-Apparent-Source-IP: 209.85.216.182 Received: by mail-qc0-f182.google.com with SMTP id e16so2217941qcx.27 for ; Thu, 03 Apr 2014 10:05:46 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc:content-type:content-transfer-encoding; bh=5JBC9458MIVmlo9byECFbs42Hg8+PrTQ4bw7M9feCHk=; b=mIbQ7jIcfu7Y43lA8sNIatE8Fz2GRw2M0kwdW53KHsaRnhdmVVeq+EGTGl7SkFfaXY cXczwELMs1MpqhEwLnQ0o7fGmqKWJnmxo+wkpWJfPI+zNItjDBd0FNxQij8cTOLt0pK+ CUsMcxbvrQh+DLw3G3ukqDM2CTtKZqpOK/GP5UrqJyiP9wbvXxE1Dxg6BiaSIRt20gI+ EgL69ZyShY5/cdoD/Lm+zXVbziemn03a5BXCZS8HRpGm5ZlETpCfDU76Xqs1p2HAo2Ar oviG3qRyEOPlOH8nYWLGY58ayx5SN7hc9tHgoHczJXzRVVRR80Ovre1KohHBpRuZ2amH QUIg== X-Gm-Message-State: ALoCoQmGBM1qf3qkMy90UggLtSIkIsiKK4tvx/BfHGdM/+Si6iumbATyfIeWZbdhp4kB7E74CMiy X-Received: by 10.224.160.142 with SMTP id n14mr8797252qax.17.1396544746863; Thu, 03 Apr 2014 10:05:46 -0700 (PDT) MIME-Version: 1.0 Received: by 10.229.126.66 with HTTP; Thu, 3 Apr 2014 10:05:26 -0700 (PDT) In-Reply-To: References: <1395997399-3000-1-git-send-email-sedat.dilek@gmail.com> <20140328161806.GA31772@thunk.org> <20140331025148.GF16336@dastard> <20140401023711.GE4911@thunk.org> <20140401222823.GJ17603@dastard> <20140402142620.GA6901@thunk.org> <20140403011411.GL16336@dastard> From: Andy Lutomirski Date: Thu, 3 Apr 2014 10:05:26 -0700 Message-ID: Subject: Re: [Lsf] [PATCH] xfstests-bld: Simplify determination of number of CPUs in build-all To: =?ISO-8859-2?Q?Luk=E1=B9_Czerner?= X-ASG-Orig-Subj: Re: [Lsf] [PATCH] xfstests-bld: Simplify determination of number of CPUs in build-all Cc: Dave Chinner , "Theodore Ts'o" , xfs@oss.sgi.com, lsf@lists.linux-foundation.org, Linux FS Devel , Sedat Dilek , "linux-ext4@vger.kernel.org" Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-Barracuda-Connect: mail-qc0-f182.google.com[209.85.216.182] X-Barracuda-Start-Time: 1396544747 X-Barracuda-Encrypted: RC4-SHA X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC5_SA210e X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4548 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC5_SA210e Custom Rule SA210e On Thu, Apr 3, 2014 at 3:26 AM, Luk=C3=A1=C5=A1 Czerner wrote: > On Thu, 3 Apr 2014, Dave Chinner wrote: > >> Date: Thu, 3 Apr 2014 12:14:11 +1100 >> From: Dave Chinner >> To: Theodore Ts'o >> Cc: Sedat Dilek , lsf@lists.linux-foundation.org, >> linux-ext4@vger.kernel.org, linux-fsdevel@vger.kernel.org, xfs@oss.s= gi.com >> Subject: Re: [Lsf] [PATCH] xfstests-bld: Simplify determination of numbe= r of >> CPUs in build-all >> >> On Wed, Apr 02, 2014 at 10:26:20AM -0400, Theodore Ts'o wrote: >> > On Wed, Apr 02, 2014 at 09:28:23AM +1100, Dave Chinner wrote: >> > > > And of course, whether changes in the mainline kernel tree are >> > > > manually propagated changes from the xfstests.git tree, or whether >> > > > primary development happens in the kernel tree, is ultimately goin= g to >> > > > be up to you and the XFS developers who have stewardship of xfstes= ts. >> > > > I'm not sure I would be that excited about manual propagation of >> > > > changes from one git tree to another, but that is of course, up to >> > > > you. >> > > >> > > And this is exactly my point, Ted. Again, you are presuming that the >> > > implementation is going to require syncing commits across disparate >> > > git trees and other such games will be needed to maintain separate >> > > packages. Nothing could be further from the truth: we already have >> > > this problem with the shared XFS kernel/userspace code and it's a >> > > royal PITA keeping them in sync. Hence introducing the same >> > > maintenance problem with new code and infrastructure is highly >> > > undesirable and something we'll try to avoid at all costs. >> > >> > Actually, I was presuming that the thing that makes the most sense was >> > to move all or most of the tests in xfstests into the kernel tests >> > tree. And then you complained that I was making a presumption that >> > this was the only sane thing to do. That's why I said, "if you want >> > to do something insane, be my guest". >> >> So, you think there's only one "sane" solution. That's a massive >> assumption, and that's what I'm pointing out. >> >> It's perfectly sane to treat the kernel tree as just another >> downstream consumer of xfstests, and simple add infrastructure to >> the kernel tree to source and build xfstests from the upstream repo. > > That's what I think is the best approach as well. We'll still have > separate tree for the xfstests which works for everyone and > infrastructure in kernel tree which will simply use it. > > Looking at rcutorture tests in kernel tree, they are indeed using > qemu and it looks like that they are running those tests directly > from init script - we really need an image to boot from. > > We could use virtme > > https://git.kernel.org/cgit/utils/kernel/virtme/virtme.git/ virtme will eventually be able to use a separate OS image, probably in the form of a directory with appropriate xattrs set. I could support images on a block device too, but that's boring :) > > which seems like a best option. Alternatively we could allow users > passing their own image as well. > > Then we would need init script which would download and build > xfstests, xfsprogs and possible other dependencies (such as fio) > and finally run xfstests itself. Colnsole output from the qemu can > be redirected to the file in the host, so that's ok, but we still > need a way to retrieve 'retults' directory from the test. > > We'd also need a devices to test on (at least TEST_DEV and > SCRATCH_DEV). Those could be files a of set size exported to qemu as > block devices. I just pushed a pair of sample scripts that invokes xfstests inside virtme. They're a total of 42 lines, including comments and instructions. You can now do: PATH=3D.:$PATH samples/xfstests test.img scratch.img ~/apps/xfstests/ from inside a virtme checkout. You'll have to compile xfstests first, thou= gh. They will be considerably more useful once I add read-write host windows to virtme. If anyone wants to use virtme for something other than experimentation, let me know and we can talk about interface stability. Some xfstests thoughts: - There's an undocumented way to write results outside the source tree called RESULT_BASE. It would be great if it were documented and spelled consistently. - xfstests does not appreciate using symlinks to device nodes. - SCRATCH_MNT needs to be in /etc/fstab. I think that this should be changed or documented. If the latter, then SCRATCH_DEV seems redundant. Some virtme thoughts: - --script-sh is awkward. Suggestions for a better interface are welcome. - It would be great if the virtconsole driver were less buggy. Even the virtualized ttyS0 is slow enough to account for a significant fraction of boot time. It would also be great if the connection between virtio ports and hvc devices were exposed in sysfs and through /dev symlinks. - earlyprintk=3Dvirtconsole would be awesome. This might need help from qemu, though. Or maybe there's a way to get the debug port to work for that. - I should probably add simple way to use forcibly cached disks. --Andy From tytso@thunk.org Thu Apr 3 12:35:24 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id DA3D97F7E for ; Thu, 3 Apr 2014 12:35:23 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 57ADDAC001 for ; Thu, 3 Apr 2014 10:35:22 -0700 (PDT) X-ASG-Debug-ID: 1396546520-04cbb054b6a69940001-NocioJ Received: from imap.thunk.org (imap.thunk.org [74.207.234.97]) by cuda.sgi.com with ESMTP id T35sdehIfetv4Gyq (version=TLSv1 cipher=AES128-SHA bits=128 verify=NO) for ; Thu, 03 Apr 2014 10:35:20 -0700 (PDT) X-Barracuda-Envelope-From: tytso@thunk.org X-Barracuda-Apparent-Source-IP: 74.207.234.97 Received: from root (helo=closure.thunk.org) by imap.thunk.org with local-esmtp (Exim 4.80) (envelope-from ) id 1WVlXk-0000sL-Rv; Thu, 03 Apr 2014 17:35:12 +0000 Received: by closure.thunk.org (Postfix, from userid 15806) id A5A15580C37; Thu, 3 Apr 2014 13:35:04 -0400 (EDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=thunk.org; s=mail; t=1396546504; bh=dzEyQ+Bo838DDxT+jjTKu6/gnYpgKgyydiVPZPRWYDM=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=Mb0hQcBpTKKaXRoBSUuyuj6RfWlpUBLL0GK2gQ+Qm4bPqCYt/LaPQ57K0QLOSOA4Z 7jlugpbi27qp+nGkwL9/glyyK+Qj8kG6UoK19zvQwH/Ji75llB/E1tR+nbvCYLOR9c +iGjysugXu29DM99IgTn2FZSb74LOj1R5MrP5pCU= Date: Thu, 3 Apr 2014 13:35:04 -0400 From: Theodore Ts'o To: Andy Lutomirski Cc: =?utf-8?B?THVrw6HFoQ==?= Czerner , Dave Chinner , xfs@oss.sgi.com, lsf@lists.linux-foundation.org, Linux FS Devel , Sedat Dilek , "linux-ext4@vger.kernel.org" Subject: Re: [Lsf] [PATCH] xfstests-bld: Simplify determination of number of CPUs in build-all Message-ID: <20140403173504.GB23737@thunk.org> X-ASG-Orig-Subj: Re: [Lsf] [PATCH] xfstests-bld: Simplify determination of number of CPUs in build-all References: <1395997399-3000-1-git-send-email-sedat.dilek@gmail.com> <20140328161806.GA31772@thunk.org> <20140331025148.GF16336@dastard> <20140401023711.GE4911@thunk.org> <20140401222823.GJ17603@dastard> <20140402142620.GA6901@thunk.org> <20140403011411.GL16336@dastard> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.23 (2014-03-12) X-SA-Exim-Connect-IP: X-SA-Exim-Mail-From: tytso@thunk.org X-SA-Exim-Scanned: No (on imap.thunk.org); SAEximRunCond expanded to false X-Barracuda-Connect: imap.thunk.org[74.207.234.97] X-Barracuda-Start-Time: 1396546520 X-Barracuda-Encrypted: AES128-SHA X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=DKIM_SIGNED X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4548 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature On Thu, Apr 03, 2014 at 10:05:26AM -0700, Andy Lutomirski wrote: > > virtme will eventually be able to use a separate OS image, probably in > the form of a directory with appropriate xattrs set. I could support > images on a block device too, but that's boring :) When you say OS image, you mean "root file system, right"? One of the reasons why I'm actually build an actual root-file system image, and didn't try the virtme approach was that I wanted to boot 32-bit kernels on my development machine, which is 64-bit. Having a 32-bit chroot environment would certainly work, though, and would save the effort of creating the root file system image.... (and of course having a 32-bit userspace also is a great way of exercising the ioctl compatibility code paths :-). > from inside a virtme checkout. You'll have to compile xfstests first, though. Fortunately, xfstests-bld will handle do this for you, since it grabs and builds all of the depedencies automatically. More importantly, it allows the dependencies to be saved as part of the test output since that's important when trying to have other people understand how to reproduce a particular test result (since sometimes the latest xfstests requires the latest xfs_io from xfsprogs, so it's a bad idea to depend on the version of xfsprogs shipped by your distribution). For example, for this merge window, I've been using the following to do my tests: fio fio-2.1-19-g0b14f0a (Thu, 23 May 2013 21:27:54 +0200) quota 0d0a674 (Tue, 26 Mar 2013 17:13:33 +0100) xfsprogs v3.2.0-alpha2-60-gaa210c4 (Thu, 13 Mar 2014 21:23:50 +1100) xfstests-bld 1efde7a (Tue, 1 Apr 2014 14:42:07 -0400) xfstests linux-v3.8-336-g3948694 (Thu, 13 Mar 2014 15:20:54 +1100) > They will be considerably more useful once I add read-write host > windows to virtme. Yes, you definitely want that for the results directories. > - There's an undocumented way to write results outside the source > tree called RESULT_BASE. It would be great if it were documented and > spelled consistently. There are a bunch of inconsistencies, which I've chalked up to historical accidents and a desire to not break compatibility with developers' test runners. You mount the $SCRATCH_DIR on SCRATCH_MNT but you mount $TEST_DEV on $TEST_DIR, for example. I've just learned to live with it.... > - SCRATCH_MNT needs to be in /etc/fstab. I think that this should be > changed or documented. If the latter, then SCRATCH_DEV seems > redundant. The various test scripts do need to be able to find the device where the file system lives, and parsing /etc/fstab would be awkward. So if your comment is that either the /etc/fstab entry shouldn't be required, or the xfstests runtime environment should be able to derive $SCRATCH_DEV automatically from $SCRATCH_MNT, or vice versa, instead of having the user specify both, I'd agree that would be nice, but that's why I put together scripts like the ones I have in xfstests-bld --- to make life easier. :-) Cheers, - Ted From luto@amacapital.net Thu Apr 3 12:43:19 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 727D87F90 for ; Thu, 3 Apr 2014 12:43:19 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 5F0378F80B6 for ; Thu, 3 Apr 2014 10:43:19 -0700 (PDT) X-ASG-Debug-ID: 1396546994-04cbb054b9a69df0001-NocioJ Received: from mail-qa0-f43.google.com (mail-qa0-f43.google.com [209.85.216.43]) by cuda.sgi.com with ESMTP id ToRS30Z6k8gGT76x (version=TLSv1 cipher=RC4-SHA bits=128 verify=NO) for ; Thu, 03 Apr 2014 10:43:15 -0700 (PDT) X-Barracuda-Envelope-From: luto@amacapital.net X-Barracuda-Apparent-Source-IP: 209.85.216.43 Received: by mail-qa0-f43.google.com with SMTP id j15so1974228qaq.2 for ; Thu, 03 Apr 2014 10:43:14 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc:content-type; bh=wEwA5xV+i5f33esNl4ClnM58K4E6m6xMCEBI2tBViiA=; b=bmrEXQUgkjQujpSSMNV/y8Uqxileqg39qzmKQWqnIhu2x2sR8ipV9p9bFt/gb0hzxw 0neUQBSfx4cxxIDaKgKXOIZlRvWr7cO+P5nCGuZ5gfHb3G/dAEv698YUGuuBtlqrYDSq lxInNpugyYctGzW7lR9fFGkWDsWXZfNYBD36zbJNEqJhATQqVtySzjrxaIh6Qureb4pK Dv5a2loSl5ColnbtPcEGb6+wAqhOhiN1dE0N8kM/bbwLLb8jyLw6SlZMDJdBXHYGbUW9 8lF24Mp92t07skWZiJaWm+5Q3eDeHEzHaEwi2MEbZkeQrr1v/92K7/rM4Sy4Yg0P4nBv p4Fw== X-Gm-Message-State: ALoCoQnEx9H39PX5h7hV+nGmONTM2YyWLlu+qDpOGdMYFefrorCzI/BfiPy+gjoEm+TjIgu3Yht5 X-Received: by 10.140.23.148 with SMTP id 20mr3883424qgp.89.1396546994467; Thu, 03 Apr 2014 10:43:14 -0700 (PDT) MIME-Version: 1.0 Received: by 10.229.126.66 with HTTP; Thu, 3 Apr 2014 10:42:54 -0700 (PDT) In-Reply-To: <20140403173504.GB23737@thunk.org> References: <1395997399-3000-1-git-send-email-sedat.dilek@gmail.com> <20140328161806.GA31772@thunk.org> <20140331025148.GF16336@dastard> <20140401023711.GE4911@thunk.org> <20140401222823.GJ17603@dastard> <20140402142620.GA6901@thunk.org> <20140403011411.GL16336@dastard> <20140403173504.GB23737@thunk.org> From: Andy Lutomirski Date: Thu, 3 Apr 2014 10:42:54 -0700 Message-ID: Subject: Re: [Lsf] [PATCH] xfstests-bld: Simplify determination of number of CPUs in build-all To: "Theodore Ts'o" X-ASG-Orig-Subj: Re: [Lsf] [PATCH] xfstests-bld: Simplify determination of number of CPUs in build-all Cc: =?ISO-8859-2?Q?Luk=E1=B9_Czerner?= , Dave Chinner , xfs@oss.sgi.com, lsf@lists.linux-foundation.org, Linux FS Devel , Sedat Dilek , "linux-ext4@vger.kernel.org" Content-Type: text/plain; charset=ISO-8859-1 X-Barracuda-Connect: mail-qa0-f43.google.com[209.85.216.43] X-Barracuda-Start-Time: 1396546995 X-Barracuda-Encrypted: RC4-SHA X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4548 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header On Thu, Apr 3, 2014 at 10:35 AM, Theodore Ts'o wrote: > On Thu, Apr 03, 2014 at 10:05:26AM -0700, Andy Lutomirski wrote: >> >> virtme will eventually be able to use a separate OS image, probably in >> the form of a directory with appropriate xattrs set. I could support >> images on a block device too, but that's boring :) > > When you say OS image, you mean "root file system, right"? One of the > reasons why I'm actually build an actual root-file system image, and > didn't try the virtme approach was that I wanted to boot 32-bit > kernels on my development machine, which is 64-bit. > Yes. I've actually done this to test some vdso stuff. > Having a 32-bit chroot environment would certainly work, though, and > would save the effort of creating the root file system image.... (and > of course having a 32-bit userspace also is a great way of exercising > the ioctl compatibility code paths :-). I agree, as long as there are giant quote marks around chroot. No actual chroot would be involved. I'd like to support non-x86 architectures, too. Last time I tried to convince a modern kernel to boot on a released QEMU on ARM was painful, though. Maybe -M virt is the way to go here. The tricky part here is that virtme currently relies on finding a statically-linked busybox binary in $PATH. It'll need to learn how to find one that will run on the guest, or it will need to learn how to live without busybox. > >> from inside a virtme checkout. You'll have to compile xfstests first, though. > > Fortunately, xfstests-bld will handle do this for you, since it grabs > and builds all of the depedencies automatically. More importantly, it > allows the dependencies to be saved as part of the test output since > that's important when trying to have other people understand how to > reproduce a particular test result (since sometimes the latest > xfstests requires the latest xfs_io from xfsprogs, so it's a bad idea > to depend on the version of xfsprogs shipped by your distribution). > For example, for this merge window, I've been using the following to > do my tests: > > fio fio-2.1-19-g0b14f0a (Thu, 23 May 2013 21:27:54 +0200) > quota 0d0a674 (Tue, 26 Mar 2013 17:13:33 +0100) > xfsprogs v3.2.0-alpha2-60-gaa210c4 (Thu, 13 Mar 2014 21:23:50 +1100) > xfstests-bld 1efde7a (Tue, 1 Apr 2014 14:42:07 -0400) > xfstests linux-v3.8-336-g3948694 (Thu, 13 Mar 2014 15:20:54 +1100) I haven't actually looked at xfstests-bld yet. I suspect it could be made to work with virtme fairly easily. My current hack uses assumes you'll use distro packages for all the dependencies. > >> They will be considerably more useful once I add read-write host >> windows to virtme. > > Yes, you definitely want that for the results directories. > >> - There's an undocumented way to write results outside the source >> tree called RESULT_BASE. It would be great if it were documented and >> spelled consistently. > > There are a bunch of inconsistencies, which I've chalked up to > historical accidents and a desire to not break compatibility with > developers' test runners. You mount the $SCRATCH_DIR on SCRATCH_MNT > but you mount $TEST_DEV on $TEST_DIR, for example. I've just learned > to live with it.... Given that RESULTS_BASE only occurs in an error message, I think it could be fixed without breaking compatibility. > >> - SCRATCH_MNT needs to be in /etc/fstab. I think that this should be >> changed or documented. If the latter, then SCRATCH_DEV seems >> redundant. > > The various test scripts do need to be able to find the device where > the file system lives, and parsing /etc/fstab would be awkward. So if > your comment is that either the /etc/fstab entry shouldn't be > required, or the xfstests runtime environment should be able to derive > $SCRATCH_DEV automatically from $SCRATCH_MNT, or vice versa, instead > of having the user specify both, I'd agree that would be nice, but > that's why I put together scripts like the ones I have in xfstests-bld > --- to make life easier. :-) > > Cheers, > > - Ted -- Andy Lutomirski AMA Capital Management, LLC From sandeen@sandeen.net Thu Apr 3 14:01:39 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id CED947F91 for ; Thu, 3 Apr 2014 14:01:39 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id C837B8F8039 for ; Thu, 3 Apr 2014 12:01:36 -0700 (PDT) X-ASG-Debug-ID: 1396551694-04cbb054b7a6d310001-NocioJ Received: from sandeen.net (sandeen.net [63.231.237.45]) by cuda.sgi.com with ESMTP id VHE68HhcKqet7l7B for ; Thu, 03 Apr 2014 12:01:35 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@sandeen.net X-Barracuda-Apparent-Source-IP: 63.231.237.45 Received: from Liberator-2.local (unknown [187.157.176.2]) (using TLSv1 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (No client certificate requested) by sandeen.net (Postfix) with ESMTPSA id 7B42D61ACB6C for ; Thu, 3 Apr 2014 14:01:33 -0500 (CDT) Message-ID: <533DB01C.8020300@sandeen.net> Date: Thu, 03 Apr 2014 13:01:48 -0600 From: Eric Sandeen User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:24.0) Gecko/20100101 Thunderbird/24.4.0 MIME-Version: 1.0 To: xfs-oss Subject: [PATCH] xfstests: fix RESULT_BASE typo in check script X-Enigmail-Version: 1.6 X-ASG-Orig-Subj: [PATCH] xfstests: fix RESULT_BASE typo in check script Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Barracuda-Connect: sandeen.net[63.231.237.45] X-Barracuda-Start-Time: 1396551695 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4550 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- RESULT_BASE is what's set & tested, but RESULTS_BASE was being used in an error message. Signed-off-by: Eric Sandeen --- diff --git a/check b/check index 268417c..a384cb2 100755 --- a/check +++ b/check @@ -358,7 +358,7 @@ trap "_wrapup; exit \$status" 0 1 2 3 15 mkdir -p $RESULT_BASE if [ ! -d $RESULT_BASE ]; then - echo "failed to create results directory $RESULTS_BASE" + echo "failed to create results directory $RESULT_BASE" exit 1; fi From sandeen@redhat.com Thu Apr 3 14:06:40 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id EA23C7F9A for ; Thu, 3 Apr 2014 14:06:39 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id E15B6304059 for ; Thu, 3 Apr 2014 12:06:36 -0700 (PDT) X-ASG-Debug-ID: 1396551995-04cb6c5676c5d480001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id ysCkjBWLpTyJE5vT for ; Thu, 03 Apr 2014 12:06:35 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx13.intmail.prod.int.phx2.redhat.com (int-mx13.intmail.prod.int.phx2.redhat.com [10.5.11.26]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s33J6OwI010859 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Thu, 3 Apr 2014 15:06:24 -0400 Received: from Liberator-2.local (ovpn01.gateway.prod.ext.phx2.redhat.com [10.5.9.1]) by int-mx13.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s33J6LUv011431 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES128-SHA bits=128 verify=NO); Thu, 3 Apr 2014 15:06:22 -0400 Message-ID: <533DB140.8010103@redhat.com> Date: Thu, 03 Apr 2014 13:06:40 -0600 From: Eric Sandeen User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:24.0) Gecko/20100101 Thunderbird/24.4.0 MIME-Version: 1.0 To: "Theodore Ts'o" , Andy Lutomirski CC: =?UTF-8?B?THVrw6HFoSBDemVybmVy?= , Dave Chinner , xfs@oss.sgi.com, lsf@lists.linux-foundation.org, Linux FS Devel , Sedat Dilek , "linux-ext4@vger.kernel.org" Subject: Re: [Lsf] [PATCH] xfstests-bld: Simplify determination of number of CPUs in build-all References: <1395997399-3000-1-git-send-email-sedat.dilek@gmail.com> <20140328161806.GA31772@thunk.org> <20140331025148.GF16336@dastard> <20140401023711.GE4911@thunk.org> <20140401222823.GJ17603@dastard> <20140402142620.GA6901@thunk.org> <20140403011411.GL16336@dastard> <20140403173504.GB23737@thunk.org> X-ASG-Orig-Subj: Re: [Lsf] [PATCH] xfstests-bld: Simplify determination of number of CPUs in build-all In-Reply-To: <20140403173504.GB23737@thunk.org> X-Enigmail-Version: 1.6 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Scanned-By: MIMEDefang 2.68 on 10.5.11.26 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1396551995 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On 4/3/14, 11:35 AM, Theodore Ts'o wrote: >> - There's an undocumented way to write results outside the source >> tree called RESULT_BASE. It would be great if it were documented and >> spelled consistently. I'm not actually certain that it was intended to be used this way. See 1686f9ab "xfstests: Introduce a results directory" which explains just where this variable came from and what it's for... So that's probably why it's undocumented; I don't think it was envisioned as a configurable. As for consistency... patch sent for the typo. If the functionality is needed, just make sure it works right if you set it manually, update the user docs, & send a patch. > There are a bunch of inconsistencies, which I've chalked up to > historical accidents and a desire to not break compatibility with > developers' test runners. You mount the $SCRATCH_DIR on SCRATCH_MNT $SCRATCH_DEV you mean. ;) I don't think there's any real resistance to fixing things that really need to be fixed, but this one doesn't seem too critical. OTOH, adding an alias from SCRATCH_MNT to SCRATCH_DIR for consistency could surely be done if anyone cared enough to send the patch. > but you mount $TEST_DEV on $TEST_DIR, for example. I've just learned > to live with it.... > >> - SCRATCH_MNT needs to be in /etc/fstab. I think that this should be >> changed or documented. If the latter, then SCRATCH_DEV seems >> redundant. Hm, I've never needed SCRATCH_MNT in /etc/fstab... > The various test scripts do need to be able to find the device where > the file system lives, and parsing /etc/fstab would be awkward. So if > your comment is that either the /etc/fstab entry shouldn't be > required, or the xfstests runtime environment should be able to derive > $SCRATCH_DEV automatically from $SCRATCH_MNT, or vice versa, instead I guess I don't know why you'd expect to derive one from the other... > of having the user specify both, I'd agree that would be nice, but > that's why I put together scripts like the ones I have in xfstests-bld > --- to make life easier. :-) All I've ever had to do is set up the 4 variables in local.config.example (by copying to local.config & editing appropriately) and it all just works AFAIK. (No doubt docs could be improved, but we can do that by sending patches.) :) -Eric From david@fromorbit.com Thu Apr 3 14:07:10 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 3FE7A7F9F for ; Thu, 3 Apr 2014 14:07:10 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id C7BACAC001 for ; Thu, 3 Apr 2014 12:07:06 -0700 (PDT) X-ASG-Debug-ID: 1396552023-04cbb054b9a6d790001-NocioJ Received: from ipmail06.adl6.internode.on.net (ipmail06.adl6.internode.on.net [150.101.137.145]) by cuda.sgi.com with ESMTP id gUWlUHo42bywGNAU for ; Thu, 03 Apr 2014 12:07:04 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.145 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: As9KAGmwPVN5LEcvPGdsb2JhbABYgwaDSoULtlqFX4EeFwMBAQEBODWCJQEBAQQnExwjEAgDGAklDwUlAwcaE4d4zzgXFo5bB4Q4BJRvg2uWAyk Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail06.adl6.internode.on.net with ESMTP; 04 Apr 2014 05:37:02 +1030 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WVmya-0002VO-DT; Fri, 04 Apr 2014 06:07:00 +1100 Date: Fri, 4 Apr 2014 06:07:00 +1100 From: Dave Chinner To: Mark Tinguely Cc: xfs@oss.sgi.com Subject: Re: [PATCH v2 1/2] xfs: remove efi from AIL in log recovery Message-ID: <20140403190700.GM16336@dastard> X-ASG-Orig-Subj: Re: [PATCH v2 1/2] xfs: remove efi from AIL in log recovery References: <20140325195819.638326569@sgi.com> <20140331202615.264666182@sgi.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140331202615.264666182@sgi.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail06.adl6.internode.on.net[150.101.137.145] X-Barracuda-Start-Time: 1396552023 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4550 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Mon, Mar 31, 2014 at 03:25:56PM -0500, Mark Tinguely wrote: > xlog_recover_process_efi{s}() functions are completing the > second half of xfs_bmap_finish() which frees extents. If this > operation fails, the EFI will stay on the AIL and prevents > the xfs_ail_push all_sync() from completing and the mount will > fail to unmount. > > Rather than have a special log recovery flag XFS_EFI_RECOVERED > to decrement the EFI/EFD counter, call the same decrement function > from the log recovery routine that is called then the EFI is added > to the AIL from a log write. .... > =================================================================== > --- a/fs/xfs/xfs_log_recover.c > +++ b/fs/xfs/xfs_log_recover.c > @@ -3634,6 +3634,7 @@ xlog_recover_process_data( > /* > * Process an extent free intent item that was recovered from > * the log. We need to free the extents that it describes. > + * The caller will release this and any following EFIs upon error. > */ > STATIC int > xlog_recover_process_efi( > @@ -3648,6 +3649,13 @@ xlog_recover_process_efi( > xfs_fsblock_t startblock_fsb; > > ASSERT(!test_bit(XFS_EFI_RECOVERED, &efip->efi_flags)); > + set_bit(XFS_EFI_RECOVERED, &efip->efi_flags); > + > + /* > + * Decrement the EFI/EFD counter so the EFI is removed after > + * processing the EFD or error handling in the caller. > + */ > + xfs_efi_item_unpin(&efip->efi_item, 0); This should be done where the EFI is inserted into the AIL during recovery, not where it is removed. That means "committed" EFIs in the AIL have the same reference count values for both the normal transaction case and the log recovery case. Brian already caught a bug in your original patch because of this, so lets not leave landmines if we can avoid it. Also, the comment needs to explain why we don't need the reference count (i.e. because it's a committed EFI and hence only the active EFD can hold a reference against it now) and that on error the caller is responsible for removing the EFI from the AIL and freeing it. Finally, I don't think there's any need for the XFS_EFI_RECOVERED bit anymore, because we either process it (and remove it from the AIL) or free it after removing it from the AIL on error and so it won't ever get found in the AIL with that flag set.... > @@ -3750,13 +3751,23 @@ xlog_recover_process_efis( > } > > spin_unlock(&ailp->xa_lock); > - error = xlog_recover_process_efi(log->l_mp, efip); > - spin_lock(&ailp->xa_lock); > + if (error) { > + /* > + * An error happened while processing a previous > + * EFI entry. Since the extents are freed in order, > + * skip the remaining unprocessed EFIs. To do this > + * the EFI entry counter must be decremented once > + * here and the entry will be decremented and removed > + * with the following xfs_efi_release(). > + */ > + xfs_efi_item_unpin(&efip->efi_item, 0); > + } else > + error = xlog_recover_process_efi(log->l_mp, efip); > if (error) > - goto out; > + xfs_efi_release(efip, efip->efi_format.efi_nextents); > + spin_lock(&ailp->xa_lock); > lip = xfs_trans_ail_cursor_next(ailp, &cur); OK, so this now relies on xfs_efi_release() to remove the EFI from the AIL. But the reason the unpin ugliness needs to be done here is that we left a stale AIL reference on the EFI when we inserted it into the AIL. That's another reason for moving that xfs_efi_item_unpin() to the insert code. Also, I'd prefer the large comment decribing the logic flow goes at the head of the function (i.e. describing the overall logic flow of the function) and that call should clean up this logic a lot. Cheers, Dave. -- Dave Chinner david@fromorbit.com From luto@amacapital.net Thu Apr 3 14:21:47 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id DF5C17F9C for ; Thu, 3 Apr 2014 14:21:47 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id CC75A8F8039 for ; Thu, 3 Apr 2014 12:21:47 -0700 (PDT) X-ASG-Debug-ID: 1396552906-04cb6c5678c5dd30001-NocioJ Received: from mail-qa0-f45.google.com (mail-qa0-f45.google.com [209.85.216.45]) by cuda.sgi.com with ESMTP id 6wNgWKH6tdvKVFf0 (version=TLSv1 cipher=RC4-SHA bits=128 verify=NO) for ; Thu, 03 Apr 2014 12:21:46 -0700 (PDT) X-Barracuda-Envelope-From: luto@amacapital.net X-Barracuda-Apparent-Source-IP: 209.85.216.45 Received: by mail-qa0-f45.google.com with SMTP id cm18so683758qab.32 for ; Thu, 03 Apr 2014 12:21:46 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc:content-type; bh=ib3VzulY/+gl3AMCeeHQujMk0g70avI5FVFm2i24Mm0=; b=E834jhQfXdTlaagCKZUOyGKOcSP85XJUIejOo93sv1/GMoGN2c1KIHb5DAeZJpWBEO dIQ4PjpHn7y1RC81Dmleap+QHYwO9UOrSkjj2SO1kCSqYjmUMsQBsks2hIUuRylqUgW+ VFVH+rA3IkNBeInyKaK5LztXfxfgq5fEIJYAim/N8Qq7AeRusVuSNFvW6ljlQim7eeQg rmOIAprQzSuAXcPdsPFS199WPcDBVvKGrnFVgDy+S8eG+v+ye4td+yRiR5n6AUg2gr9q VZxLGt0wVugfYXAyxCXo46kKrpBHvO0z3i4FDs2aOZWY/iOpGxXngERCD3Qtw2pkLqjJ Qm+Q== X-Gm-Message-State: ALoCoQklfHSk26DoPUhm4Mhr8E/6BkNywc5NnH4zZm8tKbKx0T/TUIOmSPJ9dojfvIC4voAh5SB0 X-Received: by 10.224.127.129 with SMTP id g1mr9474925qas.22.1396552906005; Thu, 03 Apr 2014 12:21:46 -0700 (PDT) MIME-Version: 1.0 Received: by 10.229.126.66 with HTTP; Thu, 3 Apr 2014 12:21:25 -0700 (PDT) In-Reply-To: <533DB140.8010103@redhat.com> References: <1395997399-3000-1-git-send-email-sedat.dilek@gmail.com> <20140328161806.GA31772@thunk.org> <20140331025148.GF16336@dastard> <20140401023711.GE4911@thunk.org> <20140401222823.GJ17603@dastard> <20140402142620.GA6901@thunk.org> <20140403011411.GL16336@dastard> <20140403173504.GB23737@thunk.org> <533DB140.8010103@redhat.com> From: Andy Lutomirski Date: Thu, 3 Apr 2014 12:21:25 -0700 Message-ID: Subject: Re: [Lsf] [PATCH] xfstests-bld: Simplify determination of number of CPUs in build-all To: Eric Sandeen X-ASG-Orig-Subj: Re: [Lsf] [PATCH] xfstests-bld: Simplify determination of number of CPUs in build-all Cc: "Theodore Ts'o" , =?ISO-8859-2?Q?Luk=E1=B9_Czerner?= , Dave Chinner , xfs@oss.sgi.com, lsf@lists.linux-foundation.org, Linux FS Devel , Sedat Dilek , "linux-ext4@vger.kernel.org" Content-Type: text/plain; charset=ISO-8859-1 X-Barracuda-Connect: mail-qa0-f45.google.com[209.85.216.45] X-Barracuda-Start-Time: 1396552906 X-Barracuda-Encrypted: RC4-SHA X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4550 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Thu, Apr 3, 2014 at 12:06 PM, Eric Sandeen wrote: > On 4/3/14, 11:35 AM, Theodore Ts'o wrote: > >>> - There's an undocumented way to write results outside the source >>> tree called RESULT_BASE. It would be great if it were documented and >>> spelled consistently. > > I'm not actually certain that it was intended to be used this way. > See 1686f9ab "xfstests: Introduce a results directory" > which explains just where this variable came from and what it's > for... Yeah. A real solution should just create and overmount results. Unfortunately, AFAICT it's currently impossible to create a mountpoint with no underlying dentry or to overmount a symlink, so this can be a bit awkward. >>> - SCRATCH_MNT needs to be in /etc/fstab. I think that this should be >>> changed or documented. If the latter, then SCRATCH_DEV seems >>> redundant. > > Hm, I've never needed SCRATCH_MNT in /etc/fstab... > >> The various test scripts do need to be able to find the device where >> the file system lives, and parsing /etc/fstab would be awkward. So if >> your comment is that either the /etc/fstab entry shouldn't be >> required, or the xfstests runtime environment should be able to derive >> $SCRATCH_DEV automatically from $SCRATCH_MNT, or vice versa, instead > > I guess I don't know why you'd expect to derive one from the other... Sigh. If $SCRATCH_MNT is specified, then the line in /etc/fstab is unnecessary. If $SCRATCH_MNT is not specified, then /etc/fstab will do the trick. What does not work is specifying $SCRATCH_DIR [sic] but not adding an fstab entry. Oops. --Andy From tytso@thunk.org Thu Apr 3 14:30:49 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id F340629DF7 for ; Thu, 3 Apr 2014 14:30:48 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id DE0FF304059 for ; Thu, 3 Apr 2014 12:30:48 -0700 (PDT) X-ASG-Debug-ID: 1396553446-04cbb054b9a6e3a0001-NocioJ Received: from imap.thunk.org (imap.thunk.org [74.207.234.97]) by cuda.sgi.com with ESMTP id 5q7YUe2XOSoRwr4o (version=TLSv1 cipher=AES128-SHA bits=128 verify=NO) for ; Thu, 03 Apr 2014 12:30:47 -0700 (PDT) X-Barracuda-Envelope-From: tytso@thunk.org X-Barracuda-Apparent-Source-IP: 74.207.234.97 Received: from root (helo=closure.thunk.org) by imap.thunk.org with local-esmtp (Exim 4.80) (envelope-from ) id 1WVnLW-0001ZO-UE; Thu, 03 Apr 2014 19:30:42 +0000 Received: by closure.thunk.org (Postfix, from userid 15806) id 1B2A6580C37; Thu, 3 Apr 2014 15:30:40 -0400 (EDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=thunk.org; s=mail; t=1396553440; bh=w5NsyIio3ZcL24j5kEfU9d9W2Vh/HWT7VIdunQ5o0qs=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=SLXN/0sWKgKxVimoR6AOgcI94IJSs0esLxYshLGIfl6aIgkQKN8ANusgXohqaLSgd RjZ1sWNwYaH37c0YIQYrcd+j1tiwj3YdIQWRCsAFQXKwWiaku+3E3qJ078ygi5YxbT uCmrwZ/jpeM+L6I8kTiEALGF/ozcGIAHNH0K2wTQ= Date: Thu, 3 Apr 2014 15:30:40 -0400 From: Theodore Ts'o To: Eric Sandeen Cc: Andy Lutomirski , =?utf-8?B?THVrw6HFoQ==?= Czerner , Dave Chinner , xfs@oss.sgi.com, lsf@lists.linux-foundation.org, Linux FS Devel , Sedat Dilek , "linux-ext4@vger.kernel.org" Subject: Re: [Lsf] [PATCH] xfstests-bld: Simplify determination of number of CPUs in build-all Message-ID: <20140403193039.GD32323@thunk.org> X-ASG-Orig-Subj: Re: [Lsf] [PATCH] xfstests-bld: Simplify determination of number of CPUs in build-all References: <20140328161806.GA31772@thunk.org> <20140331025148.GF16336@dastard> <20140401023711.GE4911@thunk.org> <20140401222823.GJ17603@dastard> <20140402142620.GA6901@thunk.org> <20140403011411.GL16336@dastard> <20140403173504.GB23737@thunk.org> <533DB140.8010103@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <533DB140.8010103@redhat.com> User-Agent: Mutt/1.5.23 (2014-03-12) X-SA-Exim-Connect-IP: X-SA-Exim-Mail-From: tytso@thunk.org X-SA-Exim-Scanned: No (on imap.thunk.org); SAEximRunCond expanded to false X-Barracuda-Connect: imap.thunk.org[74.207.234.97] X-Barracuda-Start-Time: 1396553447 X-Barracuda-Encrypted: AES128-SHA X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=DKIM_SIGNED X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4551 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature On Thu, Apr 03, 2014 at 01:06:40PM -0600, Eric Sandeen wrote: > On 4/3/14, 11:35 AM, Theodore Ts'o wrote: > > >> - There's an undocumented way to write results outside the source > >> tree called RESULT_BASE. It would be great if it were documented and > >> spelled consistently. > > I'm not actually certain that it was intended to be used this way. > See 1686f9ab "xfstests: Introduce a results directory" > which explains just where this variable came from and what it's > for... The last paragraph states of the git description states: This is the first (small) step in being able to store test results in an external location for archival/data mining purposes. The question I suppose is whether storing the results in an external location is something that should be xfstests' responsibility, or of the test harnesses that call xfstests. I suspect that since there are so many different ways people might want to archive the results, it does make sense for the test harnesses to handle this job, but I wouldn't want to "presume" on anything that the xfstests developers might choose to do.... - Ted From david@fromorbit.com Thu Apr 3 14:34:39 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id BA2567F94 for ; Thu, 3 Apr 2014 14:34:39 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 3D4D6AC002 for ; Thu, 3 Apr 2014 12:34:38 -0700 (PDT) X-ASG-Debug-ID: 1396553676-04cb6c5675c5e3b0001-NocioJ Received: from ipmail06.adl6.internode.on.net (ipmail06.adl6.internode.on.net [150.101.137.145]) by cuda.sgi.com with ESMTP id UDrAu1UuZQnqtAcy for ; Thu, 03 Apr 2014 12:34:36 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.145 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AtFKAHW3PVN5LEcvPGdsb2JhbABYgwaDSoULtlqFX4EfFwMBAQEBODWCJQEBAQMBJxMcIwULCAMYCSUPBSUDBxoTh3EHzzkXFo5bB4Q4BIx+i1yHU44wKYEsBA Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail06.adl6.internode.on.net with ESMTP; 04 Apr 2014 06:04:16 +1030 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WVnOx-0002Z2-3A; Fri, 04 Apr 2014 06:34:15 +1100 Date: Fri, 4 Apr 2014 06:34:15 +1100 From: Dave Chinner To: Mark Tinguely Cc: xfs@oss.sgi.com Subject: Re: [PATCH 2/2] xfs: free the EFI entries from AIL on forced shutdown Message-ID: <20140403193414.GN16336@dastard> X-ASG-Orig-Subj: Re: [PATCH 2/2] xfs: free the EFI entries from AIL on forced shutdown References: <20140325195733.510384972@sgi.com> <20140325195819.740387237@sgi.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140325195819.740387237@sgi.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail06.adl6.internode.on.net[150.101.137.145] X-Barracuda-Start-Time: 1396553676 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.60 X-Barracuda-Spam-Status: No, SCORE=0.60 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=MARKETING_SUBJECT X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4550 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.60 MARKETING_SUBJECT Subject contains popular marketing words On Tue, Mar 25, 2014 at 03:06:35PM -0500, Mark Tinguely wrote: > The extent free intention (EFI) and extent free done (EFD) > log items are in separate transactions. It is possible that > the EFI can be pushed to the AIL before a forced shutdown > where it gets stuck for following reasons: > > No complete EFD in the transaction. This can happen if the > transaction fails to reserve space or the freeing the extent > fails in xfs_bmap_finish(). > > EFD IOP Abort processing. If xfs_trans_cancel() is called with > an abort flag, or if the xfs_trans_commit() is called when the > file system is in forced shutdown or if the log buffer write fails, > then the EFD iop commands will not remove the EFI from the AIL. > > If the EFI entry is left on the AIL, xfs_ail_push all_sync() will > fail to complete, the unmount will hang, and a reboot is required > to get the complete the unmount. > > Do not free the EFI structure immediately on forced shutdowns, but > instead use the IOP calls to match the EFI/EFD entries. A small > wrinkle in the mix is the EFI is not automatically placed on the > AIL by the IOP routines in the cases but may have made it to the > AIL before the abort. We now have to check if the EFI is on the AIL > in the abort IOP cases. > > Signed-off-by: Mark Tinguely > --- > Dave, as I tried to explain, if the error in extent free happen early > enough, the EFD is not usable and is not in the transaction to cause > IOP commands to clean up the EFI. It too must be done manually. > > The "in the AIL" test must be done in the abort IOP commands. I still don't see the reason behind these assertions. It just doesn't make any sense to me that it can't be handled once the EFI has been attached to the EFD, nor why checking AIL status in __xfs_efi_release() does not work correctly... > fs/xfs/xfs_bmap_util.c | 21 +++++++++++++++---- > fs/xfs/xfs_extfree_item.c | 49 +++++++++++++++++++++++++++++++++------------- > fs/xfs/xfs_log_recover.c | 3 +- > fs/xfs/xfs_trans.h | 2 - > 4 files changed, 56 insertions(+), 19 deletions(-) > > Index: b/fs/xfs/xfs_bmap_util.c > =================================================================== > --- a/fs/xfs/xfs_bmap_util.c > +++ b/fs/xfs/xfs_bmap_util.c > @@ -116,12 +116,14 @@ xfs_bmap_finish( > > error = xfs_trans_reserve(ntp, &tres, 0, 0); > if (error) > - return error; > + goto error_return; > + > efd = xfs_trans_get_efd(ntp, efi, flist->xbf_count); > for (free = flist->xbf_first; free != NULL; free = next) { > next = free->xbfi_next; > - if ((error = xfs_free_extent(ntp, free->xbfi_startblock, > - free->xbfi_blockcount))) { > + error = xfs_free_extent(ntp, free->xbfi_startblock, > + free->xbfi_blockcount); > + if (error) { > /* > * The bmap free list will be cleaned up at a > * higher level. The EFI will be canceled when > @@ -136,13 +138,24 @@ xfs_bmap_finish( > (error == EFSCORRUPTED) ? > SHUTDOWN_CORRUPT_INCORE : > SHUTDOWN_META_IO_ERROR); > - return error; > + goto error_return; > } > xfs_trans_log_efd_extent(ntp, efd, free->xbfi_startblock, > free->xbfi_blockcount); > xfs_bmap_del_free(flist, NULL, free); > } > return 0; > + > + error_return: > + /* > + * No EFD in the transaction matching the EFI can be used at this > + * point Manually release the EFI and remove from AIL if necessary. > + * If the EFI did not make it into the AIL, then the transaction > + * cancel of the EFI will decrement the EFI/EFD counter and will not > + * attempt to remove itself from the AIL. > + */ > + xfs_efi_release(efi, efi->efi_format.efi_nextents, 0); > + return error; This is inconsistent from a high level logic point of view. The EFI is attached to the EFD after a call to xfs_trans_get_efd() and so cleanup on failure should always occur through the IOP* interfaces (specifically xfs_efd_item_unlock() with an aborted log item). The only case where a xfs_efi_release() call is required is the xfs_trans_reserve() failure case, where nothing in the current transaction context owns the reference on the EFI we are going to pass to the EFD. > } > > int > Index: b/fs/xfs/xfs_extfree_item.c > =================================================================== > --- a/fs/xfs/xfs_extfree_item.c > +++ b/fs/xfs/xfs_extfree_item.c > @@ -56,15 +56,22 @@ xfs_efi_item_free( > */ > STATIC void > __xfs_efi_release( > - struct xfs_efi_log_item *efip) > + struct xfs_efi_log_item *efip, > + int abort) > { > struct xfs_ail *ailp = efip->efi_item.li_ailp; > > if (atomic_dec_and_test(&efip->efi_refcount)) { > spin_lock(&ailp->xa_lock); > - /* xfs_trans_ail_delete() drops the AIL lock. */ > - xfs_trans_ail_delete(ailp, &efip->efi_item, > - SHUTDOWN_LOG_IO_ERROR); > + /* > + * The EFI may not be on the AIL on abort. > + * xfs_trans_ail_delete() drops the AIL lock. > + */ > + if (abort) > + spin_unlock(&ailp->xa_lock); > + else > + xfs_trans_ail_delete(ailp, &efip->efi_item, > + SHUTDOWN_LOG_IO_ERROR); > xfs_efi_item_free(efip); > } > } "Abort" is not necessary. If it's the last reference, and the EFI is in the AIL, then it needs to be removed. i.e. the check shoul dbe against XFS_LI_IN_AIL, not against a flag passed in by the caller. > @@ -148,10 +155,10 @@ xfs_efi_item_unpin( > ASSERT(!(lip->li_flags & XFS_LI_IN_AIL)); > if (lip->li_desc) > xfs_trans_del_item(lip); > - xfs_efi_item_free(efip); > + __xfs_efi_release(efip, 1); > return; > } > - __xfs_efi_release(efip); > + __xfs_efi_release(efip, 0); > } > > /* > @@ -173,8 +180,9 @@ STATIC void > xfs_efi_item_unlock( > struct xfs_log_item *lip) > { > + /* EFI will not be on the AIL if called on abort */ If that is true, then ASSERT() it rather than comment about it. > if (lip->li_flags & XFS_LI_ABORTED) > - xfs_efi_item_free(EFI_ITEM(lip)); > + __xfs_efi_release(EFI_ITEM(lip), 1); > } > > /* > @@ -310,11 +318,12 @@ xfs_efi_copy_format(xfs_log_iovec_t *buf > */ > void > xfs_efi_release(xfs_efi_log_item_t *efip, > - uint nextents) > + uint nextents, > + int abort) > { > ASSERT(atomic_read(&efip->efi_next_extent) >= nextents); > if (atomic_sub_and_test(nextents, &efip->efi_next_extent)) { > - __xfs_efi_release(efip); > + __xfs_efi_release(efip, abort); > /* efip may now have been freed, do not reference it again. */ > } > } > @@ -417,8 +426,19 @@ STATIC void > xfs_efd_item_unlock( > struct xfs_log_item *lip) > { > - if (lip->li_flags & XFS_LI_ABORTED) > - xfs_efd_item_free(EFD_ITEM(lip)); > + struct xfs_efd_log_item *efdp = EFD_ITEM(lip); > + > + if (!(lip->li_flags & XFS_LI_ABORTED)) > + return; > + > + /* Free the EFI when aborting a commit. The EFI will be either > + * added to the AIL in a CIL push before this abort or unlocked > + * before the EFD unlock. In either case we can check the AIL > + * status now. > + */ We are not freeing the EFI here - we are simply releasing the reference the EFD holds on it because we are about to free the EFD. Nothing else actually matters here - we don't care whether the EFI is in the AIL or not, because that can be handled internally to the xfs_efi_release() code.... > + xfs_efi_release(efdp->efd_efip, efdp->efd_format.efd_nextents, > + !(efdp->efd_efip->efi_item.li_flags & XFS_LI_IN_AIL)); > + xfs_efd_item_free(efdp); > } > > /* > @@ -434,14 +454,17 @@ xfs_efd_item_committed( > xfs_lsn_t lsn) > { > struct xfs_efd_log_item *efdp = EFD_ITEM(lip); > + int abort = 0; > > /* > * If we got a log I/O error, it's always the case that the LR with the > * EFI got unpinned and freed before the EFD got aborted. > */ > - if (!(lip->li_flags & XFS_LI_ABORTED)) > - xfs_efi_release(efdp->efd_efip, efdp->efd_format.efd_nextents); > + if (lip->li_flags & XFS_LI_ABORTED && > + !(efdp->efd_efip->efi_item.li_flags & XFS_LI_IN_AIL)) > + abort = 1; > > + xfs_efi_release(efdp->efd_efip, efdp->efd_format.efd_nextents, abort); All this abort logic can go away if __xfs_efi_release() handles the AIL state internally and all the EFD does is drop the reference to the EFI it owns. This function simply becomes: { struct xfs_efd_log_item *efdp = EFD_ITEM(lip); xfs_efi_release(efdp->efd_efip, efdp->efd_format.efd_nextents); xfs_efd_item_free(efdp); return (xfs_lsn_t)-1; } No conditional behaviour, always does the same thing regardless of caller context. > } > Index: b/fs/xfs/xfs_log_recover.c > =================================================================== > --- a/fs/xfs/xfs_log_recover.c > +++ b/fs/xfs/xfs_log_recover.c > @@ -3754,8 +3754,9 @@ xlog_recover_process_efis( > /* Skip all EFIs after first EFI in error. */ > if (!error) > error = xlog_recover_process_efi(log->l_mp, efip); > + /* EFI will be on the AIL, so abort == 0 */ > if (error) > - xfs_efi_release(efip, efip->efi_format.efi_nextents); > + xfs_efi_release(efip, efip->efi_format.efi_nextents, 0); Yet another place that has to know what the state of the EFI is to handle it correctly.... Cheers, Dave. -- Dave Chinner david@fromorbit.com From david@fromorbit.com Thu Apr 3 14:36:42 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 4CEE57FA1 for ; Thu, 3 Apr 2014 14:36:42 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id DCF79AC003 for ; Thu, 3 Apr 2014 12:36:41 -0700 (PDT) X-ASG-Debug-ID: 1396553799-04bdf0743a987f0001-NocioJ Received: from ipmail06.adl6.internode.on.net (ipmail06.adl6.internode.on.net [150.101.137.145]) by cuda.sgi.com with ESMTP id 8015V46BpSSLX618 for ; Thu, 03 Apr 2014 12:36:40 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.145 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: As5KAHW3PVN5LEcvPGdsb2JhbABYgwaDSoULtlqFX4EfFwMBAQEBODWCJQEBAQQ6HCMQCAMYCSUPBSUDBxoTh3jPORcWjlsHhDgBA5halgMp Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail06.adl6.internode.on.net with ESMTP; 04 Apr 2014 06:06:39 +1030 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WVnRG-0002Zb-EK; Fri, 04 Apr 2014 06:36:38 +1100 Date: Fri, 4 Apr 2014 06:36:38 +1100 From: Dave Chinner To: Dan Carpenter Cc: xfs@oss.sgi.com, kernel-janitors@vger.kernel.org Subject: Re: [patch] xfs: extra semi-colon breaks a condition Message-ID: <20140403193638.GO16336@dastard> X-ASG-Orig-Subj: Re: [patch] xfs: extra semi-colon breaks a condition References: <20140328080313.GA25192@mwanda> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140328080313.GA25192@mwanda> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail06.adl6.internode.on.net[150.101.137.145] X-Barracuda-Start-Time: 1396553799 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4551 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Fri, Mar 28, 2014 at 11:03:13AM +0300, Dan Carpenter wrote: > There were some extra semi-colons here which mean that we return true > unintentionally. > > Fixes: a49935f200e2 ('xfs: xfs_check_page_type buffer checks need help') > Signed-off-by: Dan Carpenter Dan, $BEVVIE_OF_CHOICE is on me next time we are in the same place. And bring a handful brown paper bags as well because there's a few people here that need to wear them for a while. :/ Reviewed-by: Dave Chinner -- Dave Chinner david@fromorbit.com From tinguely@sgi.com Thu Apr 3 15:48:41 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=RP_MATCHES_RCVD autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 8E4E47F93 for ; Thu, 3 Apr 2014 15:48:41 -0500 (CDT) Received: from eagdhcp-232-178.americas.sgi.com (eagdhcp-232-178.americas.sgi.com [128.162.232.178]) by relay2.corp.sgi.com (Postfix) with ESMTP id 66DA3304043; Thu, 3 Apr 2014 13:48:41 -0700 (PDT) Message-ID: <533DC928.7080306@sgi.com> Date: Thu, 03 Apr 2014 15:48:40 -0500 From: Mark Tinguely User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:9.0) Gecko/20120122 Thunderbird/9.0 MIME-Version: 1.0 To: Dave Chinner CC: xfs@oss.sgi.com Subject: Re: [PATCH 2/2] xfs: free the EFI entries from AIL on forced shutdown References: <20140325195733.510384972@sgi.com> <20140325195819.740387237@sgi.com> <20140403193414.GN16336@dastard> In-Reply-To: <20140403193414.GN16336@dastard> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit On 04/03/14 14:34, Dave Chinner wrote: > On Tue, Mar 25, 2014 at 03:06:35PM -0500, Mark Tinguely wrote: >> The extent free intention (EFI) and extent free done (EFD) >> log items are in separate transactions. It is possible that >> the EFI can be pushed to the AIL before a forced shutdown >> where it gets stuck for following reasons: >> >> No complete EFD in the transaction. This can happen if the >> transaction fails to reserve space or the freeing the extent >> fails in xfs_bmap_finish(). >> >> EFD IOP Abort processing. If xfs_trans_cancel() is called with >> an abort flag, or if the xfs_trans_commit() is called when the >> file system is in forced shutdown or if the log buffer write fails, >> then the EFD iop commands will not remove the EFI from the AIL. >> >> If the EFI entry is left on the AIL, xfs_ail_push all_sync() will >> fail to complete, the unmount will hang, and a reboot is required >> to get the complete the unmount. >> >> Do not free the EFI structure immediately on forced shutdowns, but >> instead use the IOP calls to match the EFI/EFD entries. A small >> wrinkle in the mix is the EFI is not automatically placed on the >> AIL by the IOP routines in the cases but may have made it to the >> AIL before the abort. We now have to check if the EFI is on the AIL >> in the abort IOP cases. >> >> Signed-off-by: Mark Tinguely >> --- >> Dave, as I tried to explain, if the error in extent free happen early >> enough, the EFD is not usable and is not in the transaction to cause >> IOP commands to clean up the EFI. It too must be done manually. >> >> The "in the AIL" test must be done in the abort IOP commands. > > I still don't see the reason behind these assertions. It just > doesn't make any sense to me that it can't be handled once the EFI > has been attached to the EFD, nor why checking AIL status in > __xfs_efi_release() does not work correctly... > >> fs/xfs/xfs_bmap_util.c | 21 +++++++++++++++---- >> fs/xfs/xfs_extfree_item.c | 49 +++++++++++++++++++++++++++++++++------------- >> fs/xfs/xfs_log_recover.c | 3 +- >> fs/xfs/xfs_trans.h | 2 - >> 4 files changed, 56 insertions(+), 19 deletions(-) >> >> Index: b/fs/xfs/xfs_bmap_util.c >> =================================================================== >> --- a/fs/xfs/xfs_bmap_util.c >> +++ b/fs/xfs/xfs_bmap_util.c >> @@ -116,12 +116,14 @@ xfs_bmap_finish( >> >> error = xfs_trans_reserve(ntp,&tres, 0, 0); >> if (error) >> - return error; >> + goto error_return; >> + >> efd = xfs_trans_get_efd(ntp, efi, flist->xbf_count); >> for (free = flist->xbf_first; free != NULL; free = next) { >> next = free->xbfi_next; >> - if ((error = xfs_free_extent(ntp, free->xbfi_startblock, >> - free->xbfi_blockcount))) { >> + error = xfs_free_extent(ntp, free->xbfi_startblock, >> + free->xbfi_blockcount); >> + if (error) { >> /* >> * The bmap free list will be cleaned up at a >> * higher level. The EFI will be canceled when >> @@ -136,13 +138,24 @@ xfs_bmap_finish( >> (error == EFSCORRUPTED) ? >> SHUTDOWN_CORRUPT_INCORE : >> SHUTDOWN_META_IO_ERROR); >> - return error; >> + goto error_return; >> } >> xfs_trans_log_efd_extent(ntp, efd, free->xbfi_startblock, >> free->xbfi_blockcount); ^^^^^^ here is where the EFD is placed in the transaction. It cannot be placed in the transaction earlier because it is not complete. >> xfs_bmap_del_free(flist, NULL, free); >> } >> return 0; >> + >> + error_return: >> + /* >> + * No EFD in the transaction matching the EFI can be used at this >> + * point Manually release the EFI and remove from AIL if necessary. >> + * If the EFI did not make it into the AIL, then the transaction >> + * cancel of the EFI will decrement the EFI/EFD counter and will not >> + * attempt to remove itself from the AIL. >> + */ >> + xfs_efi_release(efi, efi->efi_format.efi_nextents, 0); >> + return error; > > This is inconsistent from a high level logic point of view. The EFI > is attached to the EFD after a call to xfs_trans_get_efd() and so > cleanup on failure should always occur through the IOP* interfaces > (specifically xfs_efd_item_unlock() with an aborted log item). > > The only case where a xfs_efi_release() call is required is the > xfs_trans_reserve() failure case, where nothing in the current > transaction context owns the reference on the EFI we are going to > pass to the EFD. The EFD is not in the transaction in the failed xfs_extent_free failure case and there is not efd IOP call. > >> } >> >> int >> Index: b/fs/xfs/xfs_extfree_item.c >> =================================================================== >> --- a/fs/xfs/xfs_extfree_item.c >> +++ b/fs/xfs/xfs_extfree_item.c >> @@ -56,15 +56,22 @@ xfs_efi_item_free( >> */ >> STATIC void >> __xfs_efi_release( >> - struct xfs_efi_log_item *efip) >> + struct xfs_efi_log_item *efip, >> + int abort) >> { >> struct xfs_ail *ailp = efip->efi_item.li_ailp; >> >> if (atomic_dec_and_test(&efip->efi_refcount)) { >> spin_lock(&ailp->xa_lock); >> - /* xfs_trans_ail_delete() drops the AIL lock. */ >> - xfs_trans_ail_delete(ailp,&efip->efi_item, >> - SHUTDOWN_LOG_IO_ERROR); >> + /* >> + * The EFI may not be on the AIL on abort. >> + * xfs_trans_ail_delete() drops the AIL lock. >> + */ >> + if (abort) >> + spin_unlock(&ailp->xa_lock); >> + else >> + xfs_trans_ail_delete(ailp,&efip->efi_item, >> + SHUTDOWN_LOG_IO_ERROR); >> xfs_efi_item_free(efip); >> } >> } > > "Abort" is not necessary. If it's the last reference, and the EFI is > in the AIL, then it needs to be removed. i.e. the check shoul dbe > against XFS_LI_IN_AIL, not against a flag passed in by the caller. You are mistaken. It may or may not be in the AIL. > >> @@ -148,10 +155,10 @@ xfs_efi_item_unpin( >> ASSERT(!(lip->li_flags& XFS_LI_IN_AIL)); >> if (lip->li_desc) >> xfs_trans_del_item(lip); >> - xfs_efi_item_free(efip); >> + __xfs_efi_release(efip, 1); >> return; >> } >> - __xfs_efi_release(efip); >> + __xfs_efi_release(efip, 0); >> } >> >> /* >> @@ -173,8 +180,9 @@ STATIC void >> xfs_efi_item_unlock( >> struct xfs_log_item *lip) >> { >> + /* EFI will not be on the AIL if called on abort */ > > If that is true, then ASSERT() it rather than comment about it. > >> if (lip->li_flags& XFS_LI_ABORTED) >> - xfs_efi_item_free(EFI_ITEM(lip)); >> + __xfs_efi_release(EFI_ITEM(lip), 1); >> } >> >> /* >> @@ -310,11 +318,12 @@ xfs_efi_copy_format(xfs_log_iovec_t *buf >> */ >> void >> xfs_efi_release(xfs_efi_log_item_t *efip, >> - uint nextents) >> + uint nextents, >> + int abort) >> { >> ASSERT(atomic_read(&efip->efi_next_extent)>= nextents); >> if (atomic_sub_and_test(nextents,&efip->efi_next_extent)) { >> - __xfs_efi_release(efip); >> + __xfs_efi_release(efip, abort); >> /* efip may now have been freed, do not reference it again. */ >> } >> } >> @@ -417,8 +426,19 @@ STATIC void >> xfs_efd_item_unlock( >> struct xfs_log_item *lip) >> { >> - if (lip->li_flags& XFS_LI_ABORTED) >> - xfs_efd_item_free(EFD_ITEM(lip)); >> + struct xfs_efd_log_item *efdp = EFD_ITEM(lip); >> + >> + if (!(lip->li_flags& XFS_LI_ABORTED)) >> + return; >> + >> + /* Free the EFI when aborting a commit. The EFI will be either >> + * added to the AIL in a CIL push before this abort or unlocked >> + * before the EFD unlock. In either case we can check the AIL >> + * status now. >> + */ > > We are not freeing the EFI here - we are simply releasing the > reference the EFD holds on it because we are about to free the EFD. > Nothing else actually matters here - we don't care whether the EFI > is in the AIL or not, because that can be handled internally to > the xfs_efi_release() code.... Again. The EFI is in the previous commit. It could have made it to the AIL or is in the same abort. > >> + xfs_efi_release(efdp->efd_efip, efdp->efd_format.efd_nextents, >> + !(efdp->efd_efip->efi_item.li_flags& XFS_LI_IN_AIL)); >> + xfs_efd_item_free(efdp); >> } >> /* >> @@ -434,14 +454,17 @@ xfs_efd_item_committed( >> xfs_lsn_t lsn) >> { >> struct xfs_efd_log_item *efdp = EFD_ITEM(lip); >> + int abort = 0; >> >> /* >> * If we got a log I/O error, it's always the case that the LR with the >> * EFI got unpinned and freed before the EFD got aborted. >> */ >> - if (!(lip->li_flags& XFS_LI_ABORTED)) >> - xfs_efi_release(efdp->efd_efip, efdp->efd_format.efd_nextents); >> + if (lip->li_flags & XFS_LI_ABORTED && >> + !(efdp->efd_efip->efi_item.li_flags& XFS_LI_IN_AIL)) >> + abort = 1; >> >> + xfs_efi_release(efdp->efd_efip, efdp->efd_format.efd_nextents, abort); > > All this abort logic can go away if __xfs_efi_release() > handles the AIL state internally and all the EFD does is drop the > reference to the EFI it owns. This function simply becomes: The EFI in the previous commit could have made it to the AIL or not. > { > struct xfs_efd_log_item *efdp = EFD_ITEM(lip); > > xfs_efi_release(efdp->efd_efip, efdp->efd_format.efd_nextents); > xfs_efd_item_free(efdp); > return (xfs_lsn_t)-1; > } > > No conditional behaviour, always does the same thing regardless of > caller context. I disagree. It may or may not be in the AIL at this point. > >> } >> Index: b/fs/xfs/xfs_log_recover.c >> =================================================================== >> --- a/fs/xfs/xfs_log_recover.c >> +++ b/fs/xfs/xfs_log_recover.c >> @@ -3754,8 +3754,9 @@ xlog_recover_process_efis( >> /* Skip all EFIs after first EFI in error. */ >> if (!error) >> error = xlog_recover_process_efi(log->l_mp, efip); >> + /* EFI will be on the AIL, so abort == 0 */ >> if (error) >> - xfs_efi_release(efip, efip->efi_format.efi_nextents); >> + xfs_efi_release(efip, efip->efi_format.efi_nextents, 0); > > Yet another place that has to know what the state of the EFI is to > handle it correctly.... We know the EFI is in the AIL here. --Mark. From dgc@oss.sgi.com Thu Apr 3 16:16:18 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=-0.0 required=5.0 tests=NO_RELAYS autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: by oss.sgi.com (Postfix, from userid 10266) id B49477FB3; Thu, 3 Apr 2014 16:16:18 -0500 (CDT) From: xfs@oss.sgi.com To: xfs@oss.sgi.com Subject: [XFS updates] XFS development tree branch, xfs-bug-fixes-for-3.15-3, created. xfs-for-linus-v3.14-rc1-2-12927-gc88547a X-Git-Refname: refs/heads/xfs-bug-fixes-for-3.15-3 X-Git-Reftype: branch X-Git-Oldrev: 0000000000000000000000000000000000000000 X-Git-Newrev: c88547a8119e3b581318ab65e9b72f27f23e641d Message-Id: <20140403211618.B49477FB3@oss.sgi.com> Date: Thu, 3 Apr 2014 16:16:17 -0500 (CDT) This is an automated email from the git hooks/post-receive script. It was generated because a ref change was pushed to the repository containing the project "XFS development tree". The branch, xfs-bug-fixes-for-3.15-3 has been created at c88547a8119e3b581318ab65e9b72f27f23e641d (commit) - Log ----------------------------------------------------------------- commit c88547a8119e3b581318ab65e9b72f27f23e641d Author: Mark Tinguely Date: Fri Apr 4 07:10:49 2014 +1100 xfs: fix directory hash ordering bug Commit f5ea1100 ("xfs: add CRCs to dir2/da node blocks") introduced in 3.10 incorrectly converted the btree hash index array pointer in xfs_da3_fixhashpath(). It resulted in the the current hash always being compared against the first entry in the btree rather than the current block index into the btree block's hash entry array. As a result, it was comparing the wrong hashes, and so could misorder the entries in the btree. For most cases, this doesn't cause any problems as it requires hash collisions to expose the ordering problem. However, when there are hash collisions within a directory there is a very good probability that the entries will be ordered incorrectly and that actually matters when duplicate hashes are placed into or removed from the btree block hash entry array. This bug results in an on-disk directory corruption and that results in directory verifier functions throwing corruption warnings into the logs. While no data or directory entries are lost, access to them may be compromised, and attempts to remove entries from a directory that has suffered from this corruption may result in a filesystem shutdown. xfs_repair will fix the directory hash ordering without data loss occuring. [dchinner: wrote useful a commit message] cc: Reported-by: Hannes Frederic Sowa Signed-off-by: Mark Tinguely Reviewed-by: Ben Myers Signed-off-by: Dave Chinner commit 805eeb8e04706a16cb0b23fd4c4abbb0bc7df82d Author: Dan Carpenter Date: Fri Apr 4 06:56:30 2014 +1100 xfs: extra semi-colon breaks a condition There were some extra semi-colons here which mean that we return true unintentionally. Fixes: a49935f200e2 ('xfs: xfs_check_page_type buffer checks need help') Signed-off-by: Dan Carpenter Reviewed-by: Brian Foster Reviewed-by: Eric Sandeen Signed-off-by: Dave Chinner ----------------------------------------------------------------------- hooks/post-receive -- XFS development tree From dgc@oss.sgi.com Thu Apr 3 16:16:43 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=-0.0 required=5.0 tests=NO_RELAYS autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: by oss.sgi.com (Postfix, from userid 10266) id 00BE629DF9; Thu, 3 Apr 2014 16:16:42 -0500 (CDT) From: xfs@oss.sgi.com To: xfs@oss.sgi.com Subject: [XFS updates] XFS development tree branch, for-next, updated. xfs-for-linus-v3.14-rc1-2-12968-ga6cf33b X-Git-Refname: refs/heads/for-next X-Git-Reftype: branch X-Git-Oldrev: fe986f9d88ab8079c91669b7f175081f15491a80 X-Git-Newrev: a6cf33bc566c5fe888bfa9cf6448037c90661f67 Message-Id: <20140403211643.00BE629DF9@oss.sgi.com> Date: Thu, 3 Apr 2014 16:16:41 -0500 (CDT) This is an automated email from the git hooks/post-receive script. It was generated because a ref change was pushed to the repository containing the project "XFS development tree". The branch, for-next has been updated a6cf33b Merge branch 'xfs-bug-fixes-for-3.15-3' into for-next c88547a xfs: fix directory hash ordering bug 805eeb8 xfs: extra semi-colon breaks a condition from fe986f9d88ab8079c91669b7f175081f15491a80 (commit) Those revisions listed above that are new to this repository have not appeared on any other notification email; so we list those revisions in full, below. - Log ----------------------------------------------------------------- commit a6cf33bc566c5fe888bfa9cf6448037c90661f67 Merge: fe986f9 c88547a Author: Dave Chinner Date: Fri Apr 4 08:07:35 2014 +1100 Merge branch 'xfs-bug-fixes-for-3.15-3' into for-next ----------------------------------------------------------------------- Summary of changes: fs/xfs/xfs_aops.c | 4 ++-- fs/xfs/xfs_da_btree.c | 2 +- 2 files changed, 3 insertions(+), 3 deletions(-) hooks/post-receive -- XFS development tree From david@fromorbit.com Thu Apr 3 16:20:12 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id EF6D629E0B for ; Thu, 3 Apr 2014 16:20:11 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id D6EDE8F80A3 for ; Thu, 3 Apr 2014 14:20:07 -0700 (PDT) X-ASG-Debug-ID: 1396560004-04cbb054b8a71be0001-NocioJ Received: from ipmail06.adl6.internode.on.net (ipmail06.adl6.internode.on.net [150.101.137.145]) by cuda.sgi.com with ESMTP id tCZm7I5wKzk1PCXw for ; Thu, 03 Apr 2014 14:20:05 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.145 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AtFKAJDIPVN5LEcvPGdsb2JhbABYDoJ4g0qFC7ZahV+BHxcDAQEBATg1giUBAQEDATocIwULCAMYCSUPBSUDBxoTh3EHz0MXFo5bB4Q4BJhalDB/VCk Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail06.adl6.internode.on.net with ESMTP; 04 Apr 2014 07:50:03 +1030 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WVp3K-0002ti-5B; Fri, 04 Apr 2014 08:20:02 +1100 Date: Fri, 4 Apr 2014 08:20:02 +1100 From: Dave Chinner To: Theodore Ts'o Cc: Eric Sandeen , Andy Lutomirski , =?utf-8?B?THVrw6HFoQ==?= Czerner , xfs@oss.sgi.com, lsf@lists.linux-foundation.org, Linux FS Devel , Sedat Dilek , "linux-ext4@vger.kernel.org" Subject: Re: [Lsf] [PATCH] xfstests-bld: Simplify determination of number of CPUs in build-all Message-ID: <20140403212001.GN17603@dastard> X-ASG-Orig-Subj: Re: [Lsf] [PATCH] xfstests-bld: Simplify determination of number of CPUs in build-all References: <20140331025148.GF16336@dastard> <20140401023711.GE4911@thunk.org> <20140401222823.GJ17603@dastard> <20140402142620.GA6901@thunk.org> <20140403011411.GL16336@dastard> <20140403173504.GB23737@thunk.org> <533DB140.8010103@redhat.com> <20140403193039.GD32323@thunk.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140403193039.GD32323@thunk.org> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail06.adl6.internode.on.net[150.101.137.145] X-Barracuda-Start-Time: 1396560004 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4553 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Thu, Apr 03, 2014 at 03:30:40PM -0400, Theodore Ts'o wrote: > On Thu, Apr 03, 2014 at 01:06:40PM -0600, Eric Sandeen wrote: > > On 4/3/14, 11:35 AM, Theodore Ts'o wrote: > > > > >> - There's an undocumented way to write results outside the source > > >> tree called RESULT_BASE. It would be great if it were documented and > > >> spelled consistently. > > > > I'm not actually certain that it was intended to be used this way. > > See 1686f9ab "xfstests: Introduce a results directory" > > which explains just where this variable came from and what it's > > for... > > The last paragraph states of the git description states: > > This is the first (small) step in being able to store test results > in an external location for archival/data mining purposes. > > The question I suppose is whether storing the results in an external > location is something that should be xfstests' responsibility, or of > the test harnesses that call xfstests. The idea is that the external test harnesses can set up a destination directory for the results (i.e. RESULT_BASE) and xfstests will write all results into that directory. i.e. setting up a results store and managing it is something that is currently done external to xfstests. Managing a results store is complex and nobody has sent patches to do this in a generic way, so all we currently have is a mechanism to enable such functionality. Patches welcome! > I suspect that since there are > so many different ways people might want to archive the results, it > does make sense for the test harnesses to handle this job, but I > wouldn't want to "presume" on anything that the xfstests developers > might choose to do.... ROWR! :) Cheers, Dave. -- Dave Chinner david@fromorbit.com From david@fromorbit.com Thu Apr 3 16:23:26 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 268F47FB6 for ; Thu, 3 Apr 2014 16:23:26 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id 0AEFC8F80B5 for ; Thu, 3 Apr 2014 14:23:26 -0700 (PDT) X-ASG-Debug-ID: 1396560204-04bdf0743a9c150001-NocioJ Received: from ipmail06.adl6.internode.on.net (ipmail06.adl6.internode.on.net [150.101.137.145]) by cuda.sgi.com with ESMTP id p3lD35eSLc4wMleS for ; Thu, 03 Apr 2014 14:23:24 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.145 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: As1KAJDIPVN5LEcvPGdsb2JhbABYgwaDSoULtlqFX4EfFwMBAQEBODWCJQEBAQQ6HDMIAxgJGgsPBSUDBy2HeM9DFxaNeREBVxaEIgSYWpQwgVMpgTU Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail06.adl6.internode.on.net with ESMTP; 04 Apr 2014 07:53:23 +1030 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WVp6Y-0002uH-L0 for xfs@oss.sgi.com; Fri, 04 Apr 2014 08:23:22 +1100 Date: Fri, 4 Apr 2014 08:23:22 +1100 From: Dave Chinner To: xfs@oss.sgi.com Subject: Re: [XFS updates] XFS development tree branch, for-next, updated. xfs-for-linus-v3.14-rc1-2-12968-ga6cf33b Message-ID: <20140403212322.GO17603@dastard> X-ASG-Orig-Subj: Re: [XFS updates] XFS development tree branch, for-next, updated. xfs-for-linus-v3.14-rc1-2-12968-ga6cf33b References: <20140403211643.00BE629DF9@oss.sgi.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140403211643.00BE629DF9@oss.sgi.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail06.adl6.internode.on.net[150.101.137.145] X-Barracuda-Start-Time: 1396560204 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4553 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Thu, Apr 03, 2014 at 04:16:41PM -0500, xfs@oss.sgi.com wrote: > This is an automated email from the git hooks/post-receive script. It was > generated because a ref change was pushed to the repository containing > the project "XFS development tree". > > The branch, for-next has been updated > a6cf33b Merge branch 'xfs-bug-fixes-for-3.15-3' into for-next > c88547a xfs: fix directory hash ordering bug > 805eeb8 xfs: extra semi-colon breaks a condition > from fe986f9d88ab8079c91669b7f175081f15491a80 (commit) > > Those revisions listed above that are new to this repository have > not appeared on any other notification email; so we list those > revisions in full, below. Folks, this is the branch I plan to tag and send to Linus to pull tomorrow morning. It would be appreciated if people can run eyes over it and test it before I do that. FWIW, I plan to get all the other DIO/getblocks data corruption issues sorted out and send them as a separate pull request (possibly for -rc2) once they have had further testing. Cheers, Dave. -- Dave Chinner david@fromorbit.com From david@fromorbit.com Thu Apr 3 16:26:45 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 64DB87FB4 for ; Thu, 3 Apr 2014 16:26:45 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 5643F304066 for ; Thu, 3 Apr 2014 14:26:45 -0700 (PDT) X-ASG-Debug-ID: 1396560398-04cb6c5676c61a70001-NocioJ Received: from ipmail06.adl6.internode.on.net (ipmail06.adl6.internode.on.net [150.101.137.145]) by cuda.sgi.com with ESMTP id tcKFnmEnxTCxsHiU for ; Thu, 03 Apr 2014 14:26:39 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.145 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AuZKAJDIPVN5LEcvPGdsb2JhbABYgwaDSlKEObZahV+BHxcDAQEBATg1giUBAQEEIw8BIyMQCAECEQMBAgECAgUhAgIPBSUDBwwOE4d4kEqcGKJhFxaBE41IB4JvgUkEmFqWAyk Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail06.adl6.internode.on.net with ESMTP; 04 Apr 2014 07:56:38 +1030 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WVp9h-0002uZ-7I; Fri, 04 Apr 2014 08:26:37 +1100 Date: Fri, 4 Apr 2014 08:26:37 +1100 From: Dave Chinner To: =?utf-8?B?THVrw6HFoQ==?= Czerner Cc: xfs@oss.sgi.com, linux-ext4@vger.kernel.org, linux-fsdevel@vger.kernel.org Subject: Re: [PATCH 1/2] fsx: Add fallocate collapse range operation Message-ID: <20140403212637.GP17603@dastard> X-ASG-Orig-Subj: Re: [PATCH 1/2] fsx: Add fallocate collapse range operation References: <1396452800-25775-1-git-send-email-lczerner@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail06.adl6.internode.on.net[150.101.137.145] X-Barracuda-Start-Time: 1396560398 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4553 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Wed, Apr 02, 2014 at 05:55:07PM +0200, Lukáš Czerner wrote: > On Wed, 2 Apr 2014, Lukas Czerner wrote: > > > Date: Wed, 2 Apr 2014 17:33:19 +0200 > > From: Lukas Czerner > > To: xfs@oss.sgi.com > > Cc: linux-ext4@vger.kernel.org, linux-fsdevel@vger.kernel.org, > > Lukas Czerner > > Subject: [PATCH 1/2] fsx: Add fallocate collapse range operation > > > > This commit adds fallocate FALLOC_FL_COLLAPSE_RANGE support for fsx. > > Btw, this actually makes the fsx fail on ext4 and xfs after a while. > I was trying to find a problem in fsx itself but I think it is > actually ok. That means that we could possibly have bugs in ext4 and > xfs collapse range implementation. More eyes are needed on this! No surprise, really. As it is, your previous ZERO_RANGE additions caused problems for XFS, and those are mostly fixed in the 6 patch series I sent before LSFMM. Hence I wouldn't be surprised if that's what you are seeing (on XFs, at least) and it's not actually COLLAPSE_RANGE that is causing problems... Cheers, Dave. -- Dave Chinner david@fromorbit.com From david@fromorbit.com Thu Apr 3 16:32:14 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id D62BA7F98 for ; Thu, 3 Apr 2014 16:32:14 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id C7965304053 for ; Thu, 3 Apr 2014 14:32:14 -0700 (PDT) X-ASG-Debug-ID: 1396560732-04cb6c5678c61c90001-NocioJ Received: from ipmail06.adl6.internode.on.net (ipmail06.adl6.internode.on.net [150.101.137.145]) by cuda.sgi.com with ESMTP id mzfDpm3NcX7w1DjL for ; Thu, 03 Apr 2014 14:32:12 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.145 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: As9KAKvSPVN5LEcvPGdsb2JhbABYgwaDSoULtlqFX4EfFwMBAQEBODWCJQEBAQQ6HCMQCAMOCgklDwUlAwcaE4d4z1AXFo5bB4Q4AQOYWophiyIp Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail06.adl6.internode.on.net with ESMTP; 04 Apr 2014 08:02:11 +1030 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WVpF4-0002vL-L1; Fri, 04 Apr 2014 08:32:10 +1100 Date: Fri, 4 Apr 2014 08:32:10 +1100 From: Dave Chinner To: Christoph Hellwig Cc: xfs@oss.sgi.com Subject: Re: [PATCH 3/3] xfs: add a test for unlinked inodes due to O_TMPFILE Message-ID: <20140403213210.GQ17603@dastard> X-ASG-Orig-Subj: Re: [PATCH 3/3] xfs: add a test for unlinked inodes due to O_TMPFILE References: <20140313101302.996355155@bombadil.infradead.org> <20140313101433.608283621@bombadil.infradead.org> <20140313112907.GJ4263@dastard> <20140403110730.GB26244@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140403110730.GB26244@infradead.org> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail06.adl6.internode.on.net[150.101.137.145] X-Barracuda-Start-Time: 1396560732 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4553 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Thu, Apr 03, 2014 at 04:07:30AM -0700, Christoph Hellwig wrote: > Skipping this for now, filtering the repair output properly is going to > be a lot of work, and I'd rather do a generic unlinked inode list > recovery test instead of tying it to O_TMPFILE. > > With the first patch already reviewed and the second updated those > should be ready to apply now. OK, Thanks for the update. Cheers, Dave. -- Dave Chinner david@fromorbit.com From sandeen@sandeen.net Thu Apr 3 16:46:31 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 0035729E06 for ; Thu, 3 Apr 2014 16:46:30 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id E22B6304053 for ; Thu, 3 Apr 2014 14:46:30 -0700 (PDT) X-ASG-Debug-ID: 1396561589-04cb6c5675c620e0001-NocioJ Received: from sandeen.net (sandeen.net [63.231.237.45]) by cuda.sgi.com with ESMTP id scahqKrg7CnPn5iA for ; Thu, 03 Apr 2014 14:46:29 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@sandeen.net X-Barracuda-Apparent-Source-IP: 63.231.237.45 Received: from Liberator-2.local (unknown [187.157.176.2]) (using TLSv1 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (No client certificate requested) by sandeen.net (Postfix) with ESMTPSA id 6F5EA602CFD9; Thu, 3 Apr 2014 16:46:13 -0500 (CDT) Message-ID: <533DD6B0.6010102@sandeen.net> Date: Thu, 03 Apr 2014 15:46:24 -0600 From: Eric Sandeen User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:24.0) Gecko/20100101 Thunderbird/24.4.0 MIME-Version: 1.0 To: Andy Lutomirski , Eric Sandeen CC: Theodore Ts'o , xfs@oss.sgi.com, lsf@lists.linux-foundation.org, Sedat Dilek , Linux FS Devel , =?windows-1252?Q?Luk=E1=9A_Czerner?= , "linux-ext4@vger.kernel.org" Subject: Re: [Lsf] [PATCH] xfstests-bld: Simplify determination of number of CPUs in build-all References: <1395997399-3000-1-git-send-email-sedat.dilek@gmail.com> <20140328161806.GA31772@thunk.org> <20140331025148.GF16336@dastard> <20140401023711.GE4911@thunk.org> <20140401222823.GJ17603@dastard> <20140402142620.GA6901@thunk.org> <20140403011411.GL16336@dastard> <20140403173504.GB23737@thunk.org> <533DB140.8010103@redhat.com> X-ASG-Orig-Subj: Re: [Lsf] [PATCH] xfstests-bld: Simplify determination of number of CPUs in build-all In-Reply-To: X-Enigmail-Version: 1.6 Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit X-Barracuda-Connect: sandeen.net[63.231.237.45] X-Barracuda-Start-Time: 1396561589 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4553 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On 4/3/14, 1:21 PM, Andy Lutomirski wrote: > On Thu, Apr 3, 2014 at 12:06 PM, Eric Sandeen wrote: ... >>> The various test scripts do need to be able to find the device where >>> the file system lives, and parsing /etc/fstab would be awkward. So if >>> your comment is that either the /etc/fstab entry shouldn't be >>> required, or the xfstests runtime environment should be able to derive >>> $SCRATCH_DEV automatically from $SCRATCH_MNT, or vice versa, instead >> >> I guess I don't know why you'd expect to derive one from the other... > > Sigh. > > If $SCRATCH_MNT is specified, then the line in /etc/fstab is > unnecessary. If $SCRATCH_MNT is not specified, then /etc/fstab will > do the trick. > > What does not work is specifying $SCRATCH_DIR [sic] but not adding an > fstab entry. Oops. Oh, I see. I'd never really thought about xfstests devices as "part of the system" - since they're constantly scribbled on, re-made, etc, and managed wholly by xfstests (at least the scratch device) - so the notion of using fstab was just outside my realm of expected behaviors. :) -Eric From david@fromorbit.com Thu Apr 3 16:53:36 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 2FBFF7FAA for ; Thu, 3 Apr 2014 16:53:36 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 1D4DE304064 for ; Thu, 3 Apr 2014 14:53:35 -0700 (PDT) X-ASG-Debug-ID: 1396562013-04cb6c5678c62300001-NocioJ Received: from ipmail06.adl6.internode.on.net (ipmail06.adl6.internode.on.net [150.101.137.145]) by cuda.sgi.com with ESMTP id 4TvHzdxoo6bfhu7z for ; Thu, 03 Apr 2014 14:53:33 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.145 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AtBKABHXPVN5LEcvPGdsb2JhbABYgwaDSoULtlqFX4EfFwMBAQEBODWCJQEBAQMBJxMcIxAIAxgJJQ8FJQMHGhOHcQfPThcWjXkRAVAHhDgEmFqWAymBLAQFFw Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail06.adl6.internode.on.net with ESMTP; 04 Apr 2014 08:23:32 +1030 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WVpZh-0002yt-PO; Fri, 04 Apr 2014 08:53:29 +1100 Date: Fri, 4 Apr 2014 08:53:29 +1100 From: Dave Chinner To: Mark Tinguely Cc: xfs@oss.sgi.com Subject: Re: [PATCH 2/2] xfs: free the EFI entries from AIL on forced shutdown Message-ID: <20140403215329.GR17603@dastard> X-ASG-Orig-Subj: Re: [PATCH 2/2] xfs: free the EFI entries from AIL on forced shutdown References: <20140325195733.510384972@sgi.com> <20140325195819.740387237@sgi.com> <20140403193414.GN16336@dastard> <533DC928.7080306@sgi.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <533DC928.7080306@sgi.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail06.adl6.internode.on.net[150.101.137.145] X-Barracuda-Start-Time: 1396562013 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.60 X-Barracuda-Spam-Status: No, SCORE=0.60 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=MARKETING_SUBJECT X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4554 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.60 MARKETING_SUBJECT Subject contains popular marketing words On Thu, Apr 03, 2014 at 03:48:40PM -0500, Mark Tinguely wrote: > On 04/03/14 14:34, Dave Chinner wrote: > >On Tue, Mar 25, 2014 at 03:06:35PM -0500, Mark Tinguely wrote: > >>The extent free intention (EFI) and extent free done (EFD) > >>log items are in separate transactions. It is possible that > >>the EFI can be pushed to the AIL before a forced shutdown > >>where it gets stuck for following reasons: > >> > >> No complete EFD in the transaction. This can happen if the > >> transaction fails to reserve space or the freeing the extent > >> fails in xfs_bmap_finish(). > >> > >> EFD IOP Abort processing. If xfs_trans_cancel() is called with > >> an abort flag, or if the xfs_trans_commit() is called when the > >> file system is in forced shutdown or if the log buffer write fails, > >> then the EFD iop commands will not remove the EFI from the AIL. > >> > >>If the EFI entry is left on the AIL, xfs_ail_push all_sync() will > >>fail to complete, the unmount will hang, and a reboot is required > >>to get the complete the unmount. > >> > >>Do not free the EFI structure immediately on forced shutdowns, but > >>instead use the IOP calls to match the EFI/EFD entries. A small > >>wrinkle in the mix is the EFI is not automatically placed on the > >>AIL by the IOP routines in the cases but may have made it to the > >>AIL before the abort. We now have to check if the EFI is on the AIL > >>in the abort IOP cases. > >> > >>Signed-off-by: Mark Tinguely > >>--- > >>Dave, as I tried to explain, if the error in extent free happen early > >>enough, the EFD is not usable and is not in the transaction to cause > >>IOP commands to clean up the EFI. It too must be done manually. > >> > >>The "in the AIL" test must be done in the abort IOP commands. > > > >I still don't see the reason behind these assertions. It just > >doesn't make any sense to me that it can't be handled once the EFI > >has been attached to the EFD, nor why checking AIL status in > >__xfs_efi_release() does not work correctly... > > > >> fs/xfs/xfs_bmap_util.c | 21 +++++++++++++++---- > >> fs/xfs/xfs_extfree_item.c | 49 +++++++++++++++++++++++++++++++++------------- > >> fs/xfs/xfs_log_recover.c | 3 +- > >> fs/xfs/xfs_trans.h | 2 - > >> 4 files changed, 56 insertions(+), 19 deletions(-) > >> > >>Index: b/fs/xfs/xfs_bmap_util.c > >>=================================================================== > >>--- a/fs/xfs/xfs_bmap_util.c > >>+++ b/fs/xfs/xfs_bmap_util.c > >>@@ -116,12 +116,14 @@ xfs_bmap_finish( > >> > >> error = xfs_trans_reserve(ntp,&tres, 0, 0); > >> if (error) > >>- return error; > >>+ goto error_return; > >>+ > >> efd = xfs_trans_get_efd(ntp, efi, flist->xbf_count); > >> for (free = flist->xbf_first; free != NULL; free = next) { > >> next = free->xbfi_next; > >>- if ((error = xfs_free_extent(ntp, free->xbfi_startblock, > >>- free->xbfi_blockcount))) { > >>+ error = xfs_free_extent(ntp, free->xbfi_startblock, > >>+ free->xbfi_blockcount); > >>+ if (error) { > >> /* > >> * The bmap free list will be cleaned up at a > >> * higher level. The EFI will be canceled when > >>@@ -136,13 +138,24 @@ xfs_bmap_finish( > >> (error == EFSCORRUPTED) ? > >> SHUTDOWN_CORRUPT_INCORE : > >> SHUTDOWN_META_IO_ERROR); > >>- return error; > >>+ goto error_return; > >> } > >> xfs_trans_log_efd_extent(ntp, efd, free->xbfi_startblock, > >> free->xbfi_blockcount); > > ^^^^^^ > here is where the EFD is placed in the transaction. It cannot be placed > in the transaction earlier because it is not complete. No, that's wrong. The EFD is linked to the transaction in xfs_trans_get_efd() where it calls xfs_trans_add_item(). The above call is where it is logged (i.e. marked dirty), not where it is added to the transaction. > >This is inconsistent from a high level logic point of view. The EFI > >is attached to the EFD after a call to xfs_trans_get_efd() and so > >cleanup on failure should always occur through the IOP* interfaces > >(specifically xfs_efd_item_unlock() with an aborted log item). > > > >The only case where a xfs_efi_release() call is required is the > >xfs_trans_reserve() failure case, where nothing in the current > >transaction context owns the reference on the EFI we are going to > >pass to the EFD. > > The EFD is not in the transaction in the failed xfs_extent_free > failure case and there is not efd IOP call. Yes it is. It may no be dirty, though. > >>--- a/fs/xfs/xfs_extfree_item.c > >>+++ b/fs/xfs/xfs_extfree_item.c > >>@@ -56,15 +56,22 @@ xfs_efi_item_free( > >> */ > >> STATIC void > >> __xfs_efi_release( > >>- struct xfs_efi_log_item *efip) > >>+ struct xfs_efi_log_item *efip, > >>+ int abort) > >> { > >> struct xfs_ail *ailp = efip->efi_item.li_ailp; > >> > >> if (atomic_dec_and_test(&efip->efi_refcount)) { > >> spin_lock(&ailp->xa_lock); > >>- /* xfs_trans_ail_delete() drops the AIL lock. */ > >>- xfs_trans_ail_delete(ailp,&efip->efi_item, > >>- SHUTDOWN_LOG_IO_ERROR); > >>+ /* > >>+ * The EFI may not be on the AIL on abort. > >>+ * xfs_trans_ail_delete() drops the AIL lock. > >>+ */ > >>+ if (abort) > >>+ spin_unlock(&ailp->xa_lock); > >>+ else > >>+ xfs_trans_ail_delete(ailp,&efip->efi_item, > >>+ SHUTDOWN_LOG_IO_ERROR); > >> xfs_efi_item_free(efip); > >> } > >> } > > > >"Abort" is not necessary. If it's the last reference, and the EFI is > >in the AIL, then it needs to be removed. i.e. the check shoul dbe > >against XFS_LI_IN_AIL, not against a flag passed in by the caller. > > You are mistaken. It may or may not be in the AIL. No, I'm not mistaken - I'm talking about using a different techinique to determine whether we need to remove the EFI from the AIL or not. That is, we have a flag on *every log item* that tells us whether the item is in the AIL. It is guaranteed to be correct, and we use it in many places to determine if the object we are about to free is in the AIL and hence needs to be removed first. IOWs, we can use introspection to remove the EFI from the AIL when the last reference goes away. The code is simply: if (atomic_dec_and_test(&efip->efi_refcount)) { spin_lock(&ailp->xa_lock); if (efip->efi_item.li_flags & XFS_LI_IN_AIL) { xfs_trans_ail_delete(ailp,&efip->efi_item, SHUTDOWN_LOG_IO_ERROR); } spin_unlock(&ailp->xa_lock); xfs_efi_item_free(efip); } No abort flag is needed. Other examples of this exact same check being done in error handling paths for various log item are xfs_iflush_abort(), xfs_buf_item_unlock() and xfs_qm_dqflush(). > >> if (atomic_sub_and_test(nextents,&efip->efi_next_extent)) { > >>- __xfs_efi_release(efip); > >>+ __xfs_efi_release(efip, abort); > >> /* efip may now have been freed, do not reference it again. */ > >> } > >> } > >>@@ -417,8 +426,19 @@ STATIC void > >> xfs_efd_item_unlock( > >> struct xfs_log_item *lip) > >> { > >>- if (lip->li_flags& XFS_LI_ABORTED) > >>- xfs_efd_item_free(EFD_ITEM(lip)); > >>+ struct xfs_efd_log_item *efdp = EFD_ITEM(lip); > >>+ > >>+ if (!(lip->li_flags& XFS_LI_ABORTED)) > >>+ return; BTW, your email program is still mangling quoted whitespace in the code. Can you please fix it? > >>+ > >>+ /* Free the EFI when aborting a commit. The EFI will be either > >>+ * added to the AIL in a CIL push before this abort or unlocked > >>+ * before the EFD unlock. In either case we can check the AIL > >>+ * status now. > >>+ */ > > > >We are not freeing the EFI here - we are simply releasing the > >reference the EFD holds on it because we are about to free the EFD. > >Nothing else actually matters here - we don't care whether the EFI > >is in the AIL or not, because that can be handled internally to > >the xfs_efi_release() code.... > > Again. The EFI is in the previous commit. It could have made it to > the AIL or is in the same abort. You're still missing the point. It doesn't matter where the EFI is - what matters is that we are freeing the object that holds a reference to the EFI and so we have to drop it. The point of using reference counting and introspection that no caller needs to care about the internal state of the EFI, just that they hold a reference that needs to be dropped. And that means simpler code and that future modifications are much less likely to screw up the EFI error handling. Cheers, Dave. -- Dave Chinner david@fromorbit.com From david@fromorbit.com Thu Apr 3 17:18:34 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 738327F66 for ; Thu, 3 Apr 2014 17:18:34 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 5C83F304053 for ; Thu, 3 Apr 2014 15:18:31 -0700 (PDT) X-ASG-Debug-ID: 1396563508-04cb6c5678c62c00001-NocioJ Received: from ipmail06.adl6.internode.on.net (ipmail06.adl6.internode.on.net [150.101.137.145]) by cuda.sgi.com with ESMTP id 5DMAHo3b88QQO0uA for ; Thu, 03 Apr 2014 15:18:28 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.145 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AtFKACvdPVN5LEcvPGdsb2JhbABYgwaDSoULtlqFX4EfFwMBAQEBODWCJQEBAQMBOhwjBQsIAw4KCSUPBSUDBxoTh3EHz1EXFo4ECgRJB4Q4BJhalgMpgSwBHwQ Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail06.adl6.internode.on.net with ESMTP; 04 Apr 2014 08:48:27 +1030 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WVpxq-00032W-Em; Fri, 04 Apr 2014 09:18:26 +1100 Date: Fri, 4 Apr 2014 09:18:26 +1100 From: Dave Chinner To: Brian Foster Cc: xfs@oss.sgi.com Subject: Re: [PATCH 4/5] xfs: run an eofblocks scan on ENOSPC/EDQUOT Message-ID: <20140403221826.GS17603@dastard> X-ASG-Orig-Subj: Re: [PATCH 4/5] xfs: run an eofblocks scan on ENOSPC/EDQUOT References: <1396012563-60973-1-git-send-email-bfoster@redhat.com> <1396012563-60973-5-git-send-email-bfoster@redhat.com> <20140331222246.GF17603@dastard> <20140401135518.GC21540@bfoster.bfoster> <20140401211926.GH17603@dastard> <20140401232022.GA15934@bfoster.bfoster> <20140402051103.GL17603@dastard> <20140402201110.GC3043@laptop.bfoster> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140402201110.GC3043@laptop.bfoster> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail06.adl6.internode.on.net[150.101.137.145] X-Barracuda-Start-Time: 1396563508 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4555 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Wed, Apr 02, 2014 at 04:11:10PM -0400, Brian Foster wrote: > On Wed, Apr 02, 2014 at 04:11:03PM +1100, Dave Chinner wrote: > > On Tue, Apr 01, 2014 at 07:20:23PM -0400, Brian Foster wrote: > > > On Wed, Apr 02, 2014 at 08:19:26AM +1100, Dave Chinner wrote: > > > > On Tue, Apr 01, 2014 at 09:55:18AM -0400, Brian Foster wrote: > > > > Yes, it means that there is a global flush when a project quota runs > > > > out of space, but it means that we only do it once and we don't burn > > > > excessive CPU walking radix trees scanning inodes needlessly every > > > > time we get a storm of processes hammering project quota ENOSPC. > > > > > > > > > > It's not clear to me that excess scanning is an issue, but it seems > > > > Have 100 threads hit ENOSPC on the same project quota at the same > > time on a filesystem with a couple of thousand AGs with a few > > million cached inode, and then you'll see the problem.... > > > > Right, that certainly sounds like a mess if we kicked off a bunch of the > mini-flush scans. I'm curious how much overhead there would be with the > flush out of the picture and a scan can actually go ahead and free up > some space (hopefully) quickly. That's something I'll have to test. > > > > orthogonal to how we organize the enospc logic (at least once the flush > > > is out of the equation). IOW, we'll invoke the scanner with the same > > > frequency either way. Or maybe you are just referring to scanning > > > specifically for the purpose of doing flushes as a waste..? > > > > Well, lots of concurrent scanning for the same purpose is highly > > inefficient - look at the amount of additional serialisation in the > > inode recalim walker that is aimed at reducing concurrency to one > > reclaim thread per AG at a time... > > > > Interesting, and I think this touches a bit on what I mean by the > scanning being somewhat orthogonal to the purpose of this patch. If the > scanning does turn out to be a real problem in this particular context, > why not try to improve the efficiency of the scan? We could include this > kind of per-ag locking for internal scans, or perhaps create a new scan > mode that exits after freeing a specified amount of space, etc. Well, xfs_flush_inodes() serialises callers, so if we flush before scan we already effectively have a method of throttling the EOF block scans ;) The idea of the generic scan code, however, is not to do any serialisation at all. i.e. to be as fast and concurrent as possible. If a caller needs throttling, then we do that at the caller. The reclaim code has /interesting/ serialisation requirements - it has to be as concurrent as possible (because shrinkers can be called concurrently) but not waste CPU scanning the same inodes unnecesarily (hence the cursors). But it also needs to throttle inode allocation to the rate at which we can clean and free them, and hence the mutexes and synchronous inode writeback to throttle and back up excessive reclaim concurrency without wasting CPU. > > I expect that if the serialisation on xfs_flush_inodes() isn't > > sufficient to throttle eofblock scanning concurrency in case like > > the above then we'll know about it pretty quickly. > > > > How much space should we expect xfs_flush_inodes() to free up? Using Depends on the amount of delalloc space. Assume and average indirect block reservation of 4 blocks per delalloc region that is flushed. > your example of the unconditional flush followed by the global scan - it > seems like it could throttle things temporarily by allowing some set of > writers to serialize on a flush and hopefully soon after that other > writers can allocate space again. Once we're past that, those flushing > threads head into the scan just the same. > > So I guess the question is, will the flush satisfy concurrent writers > long enough for one of the flush inducing threads to get into the scan > and prevent others from queuing further? If so, it seems like a > potential positive if the overhead of the flush is less than the > overhead of the "unbounded" scan in the same scenario. If not, it seems > like it could also be a potential net negative because we'll effectively > queue more threads on the flush that could have avoided allocation > failure were a scan already running and freeing space. I guess that all > depends on how long the flush takes, how much data is in cache, storage > hardware, etc. Something else I'll have to experiment with a little > more I suppose... :) Right, but in general I think that the FIFO serialisation behaviour of xfs_flush_inodes() will be sufficent to limit the scanning concurrency, especially if each flush causes a few IOs to be done and so metres out the start of each new scan to a 10-20 new scans per second.... Cheers, Dave. -- Dave Chinner david@fromorbit.com From sandeen@sandeen.net Thu Apr 3 17:19:23 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id C38A27FC5 for ; Thu, 3 Apr 2014 17:19:23 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id B70C2304066 for ; Thu, 3 Apr 2014 15:19:23 -0700 (PDT) X-ASG-Debug-ID: 1396563562-04cbb054b6a73270001-NocioJ Received: from sandeen.net (sandeen.net [63.231.237.45]) by cuda.sgi.com with ESMTP id eWpWrGAONWTkakey for ; Thu, 03 Apr 2014 15:19:22 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@sandeen.net X-Barracuda-Apparent-Source-IP: 63.231.237.45 Received: from Liberator-2.local (unknown [187.157.176.2]) (using TLSv1 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (No client certificate requested) by sandeen.net (Postfix) with ESMTPSA id D7A6A63D105D; Thu, 3 Apr 2014 17:19:20 -0500 (CDT) Message-ID: <533DDE79.9050207@sandeen.net> Date: Thu, 03 Apr 2014 16:19:37 -0600 From: Eric Sandeen User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:24.0) Gecko/20100101 Thunderbird/24.4.0 MIME-Version: 1.0 To: Brian Foster CC: xfs-oss Subject: Re: [PATCH] xfs: remove unused transaction pointer args References: <53362976.3060101@sandeen.net> <20140331130932.GA63718@bfoster.bfoster> X-ASG-Orig-Subj: Re: [PATCH] xfs: remove unused transaction pointer args In-Reply-To: <20140331130932.GA63718@bfoster.bfoster> X-Enigmail-Version: 1.6 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Barracuda-Connect: sandeen.net[63.231.237.45] X-Barracuda-Start-Time: 1396563562 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4556 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On 3/31/14, 7:09 AM, Brian Foster wrote: > On Fri, Mar 28, 2014 at 09:01:26PM -0500, Eric Sandeen wrote: >> Several functions pass a transaction pointer around, >> but it's never used in those callchains. Remove it. >> >> Signed-off-by: Eric Sandeen >> --- >> >> diff --git a/fs/xfs/xfs_bmap.c b/fs/xfs/xfs_bmap.c >> index 152543c..b308097 100644 >> --- a/fs/xfs/xfs_bmap.c >> +++ b/fs/xfs/xfs_bmap.c >> @@ -1675,7 +1675,6 @@ xfs_bmap_isaeof( >> */ >> int >> xfs_bmap_last_offset( >> - struct xfs_trans *tp, >> struct xfs_inode *ip, >> xfs_fileoff_t *last_block, >> int whichfork) > > Seems Ok to me, but it looks like you could also kill the tp param for > xfs_bmap_last_extent(). I don't see any callers that don't pass NULL... > > Brian Actually I think that'd be a separate change, and not totally obvious that it's one we should make - I'm (lazily) not sure if someone might need to pass in a tp to be used in xfs_iread_extents() some time in the future... -Eric From dx-wl@163.com Fri Apr 4 02:26:30 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id DFAEE7FD3 for ; Fri, 4 Apr 2014 02:26:30 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id C918F304062 for ; Fri, 4 Apr 2014 00:26:30 -0700 (PDT) X-ASG-Debug-ID: 1396596386-04cb6c5677c6f200001-NocioJ Received: from sam.nabble.com (sam.nabble.com [216.139.236.26]) by cuda.sgi.com with ESMTP id 6oe6FqbNfm2LWwOm (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Fri, 04 Apr 2014 00:26:26 -0700 (PDT) X-Barracuda-Envelope-From: dx-wl@163.com X-Barracuda-Apparent-Source-IP: 216.139.236.26 Received: from tom.nabble.com ([192.168.236.105]) by sam.nabble.com with esmtp (Exim 4.72) (envelope-from ) id 1WVyWA-0001ci-86 for xfs@oss.sgi.com; Fri, 04 Apr 2014 00:26:26 -0700 Date: Fri, 4 Apr 2014 00:26:26 -0700 (PDT) From: daiguochao To: xfs@oss.sgi.com Message-ID: <1396596386220-35015.post@n7.nabble.com> Subject: 10GB memorys occupied by XFS MIME-Version: 1.0 X-ASG-Orig-Subj: 10GB memorys occupied by XFS Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Barracuda-Connect: sam.nabble.com[216.139.236.26] X-Barracuda-Start-Time: 1396596386 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4561 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- Hello folks, I used xfs file system in kernel-2.6.32-220.13.1.el6.x86_64 for store pictures. About 100 days system memorys is lost and some nginx process is killed by oom-killer.So,I looked /proc/meminfo and find memorys is lost.Finally, I try to umount xfs system and 10GB memorys is coming back. l look xfs bugzilla no such BUG.I have no idea for it. Cheers, Guochao. some memorys info: 0> free -m total used free shared buffers cached Mem: 11887 11668 219 0 0 2 -/+ buffers/cache: 11665 222 Swap: 0 0 0 130> cat /proc/meminfo MemTotal: 12173268 kB MemFree: 223044 kB Buffers: 244 kB Cached: 4540 kB SwapCached: 0 kB Active: 1700 kB Inactive: 5312 kB Active(anon): 1616 kB Inactive(anon): 1128 kB Active(file): 84 kB Inactive(file): 4184 kB Unevictable: 0 kB Mlocked: 0 kB SwapTotal: 0 kB SwapFree: 0 kB Dirty: 0 kB Writeback: 0 kB AnonPages: 2556 kB Mapped: 1088 kB Shmem: 196 kB Slab: 509708 kB SReclaimable: 7596 kB SUnreclaim: 502112 kB KernelStack: 1096 kB PageTables: 748 kB NFS_Unstable: 0 kB Bounce: 0 kB WritebackTmp: 0 kB CommitLimit: 6086632 kB Committed_AS: 9440 kB VmallocTotal: 34359738367 kB VmallocUsed: 303488 kB VmallocChunk: 34359426132 kB HardwareCorrupted: 0 kB AnonHugePages: 0 kB HugePages_Total: 0 HugePages_Free: 0 HugePages_Rsvd: 0 HugePages_Surp: 0 Hugepagesize: 2048 kB DirectMap4k: 6152 kB DirectMap2M: 2070528 kB DirectMap1G: 10485760 kB -- View this message in context: http://xfs.9218.n7.nabble.com/10GB-memorys-occupied-by-XFS-tp35015.html Sent from the Xfs - General mailing list archive at Nabble.com. From david@fromorbit.com Fri Apr 4 04:04:06 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id EAB527FD0 for ; Fri, 4 Apr 2014 04:04:06 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id D352A304062 for ; Fri, 4 Apr 2014 02:04:03 -0700 (PDT) X-ASG-Debug-ID: 1396602240-04cbb054b7a81ab0001-NocioJ Received: from ipmail05.adl6.internode.on.net (ipmail05.adl6.internode.on.net [150.101.137.143]) by cuda.sgi.com with ESMTP id 4LnISQUjjsTBP4Fr for ; Fri, 04 Apr 2014 02:04:01 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.143 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: Av5YAFt0PlN5LEcvPGdsb2JhbABXgwY7iBqjCAIGkXeBWIVfgR8XAwEBAQE4NYJmHCMYJDQFJQMHLYd4z2kWjluCNQ+BewSYWpN/ggUp Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail05.adl6.internode.on.net with ESMTP; 04 Apr 2014 19:33:59 +1030 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WW02X-0004MY-I8; Fri, 04 Apr 2014 20:03:57 +1100 Date: Fri, 4 Apr 2014 20:03:57 +1100 From: Dave Chinner To: xfs@oss.sgi.com Cc: linux-btrfs@vger.kernel.org, linux-ext4@vger.kernel.org Subject: [ANNOUNCE] xfstests: updated to cf1ed54 Message-ID: <20140404090357.GW17603@dastard> X-ASG-Orig-Subj: [ANNOUNCE] xfstests: updated to cf1ed54 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail05.adl6.internode.on.net[150.101.137.143] X-Barracuda-Start-Time: 1396602240 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.20 X-Barracuda-Spam-Status: No, SCORE=0.20 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=PR0N_SUBJECT X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4561 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.20 PR0N_SUBJECT Subject has letters around special characters (pr0n) Hi folks, The xfstests repository at git://oss.sgi.com/xfs/cmds/xfstests has just been updated. Patches often get missed, so please check if your outstanding patches were in this update. If they have not been in this update, please resubmit them to xfs@oss.sgi.com so they can be picked up in the next update. The new head of the master branch is commit: cf1ed54 check: fix RESULT_BASE typo in check script The major new functionality worth mentioning in this update is the new config file format from Lukas. The existing format config files should continue to work without change, but the new format is much richer and allows specification of multiple different configurations to run test under. Hence testing multiple mount an dmkfs configurations becomes as simple as iterating the configurations in the config file. New Commits: Christoph Hellwig (2): [feb7da1] common: add flink support to _require_xfs_io_command [3bbbc25] generic: add a basic O_TMPFILE test Eric Sandeen (1): [cf1ed54] check: fix RESULT_BASE typo in check script Eryu Guan (1): [dadfd3c] shared: new test to use up free inodes Filipe David Borba Manana (3): [bb2499e] btrfs: add test for btrfs send issuing premature rmdir operations [c99c847] btrfs: add test for btrfs incremental send [e0ff31a] btrfs: add test for btrfs incremental send data corruption Filipe Manana (1): [1a87439] btrfs: add test for btrfs send directory moves/renames Hannes Frederic Sowa (1): [947ee8b] fs: add directories hash collision test Lukas Czerner (10): [4d18f5a] generic: add generic test for fallocate zero range [bf44459] check: Prepare for config section [667308d] check: Add support for sections in config file [f8e4f53] check: Allow to recreate TEST_DEV [b1ffb05] check: Remount file system if MOUNT_OPTIONS changed [7baa3e2] check: unmount TEST_DEV and SCRATCH_DEV after test run [21723cd] generic: Make some shared tests generic [259d680] ext4: Make shared/243 ext4 specific [5f8c711] fsx: Add fallocate collapse range operation [f98d930] fsstress: Add fallocate collapse range operation Code Diffstat: .gitignore | 1 + README.config-sections | 87 +++++++ check | 404 ++++++++++++++++++------------ common/config | 155 +++++++++++- common/rc | 30 ++- ltp/fsstress.c | 20 ++ ltp/fsx.c | 107 +++++++- src/Makefile | 2 +- src/dirhash_collide.c | 223 +++++++++++++++++ tests/btrfs/043 | 149 +++++++++++ tests/btrfs/043.out | 1 + tests/btrfs/044 | 129 ++++++++++ tests/btrfs/044.out | 1 + tests/btrfs/045 | 376 +++++++++++++++++++++++++++ tests/btrfs/045.out | 1 + tests/btrfs/046 | 304 ++++++++++++++++++++++ tests/btrfs/046.out | 213 ++++++++++++++++ tests/btrfs/group | 4 + tests/{shared/243 => ext4/002} | 4 +- tests/{shared/243.out => ext4/002.out} | 2 +- tests/ext4/group | 1 + tests/generic/004 | 65 +++++ tests/generic/004.out | 6 + tests/generic/009 | 78 ++++++ tests/generic/009.out | 333 ++++++++++++++++++++++++ tests/{shared/003 => generic/012} | 6 +- tests/{shared/003.out => generic/012.out} | 2 +- tests/{shared/004 => generic/016} | 6 +- tests/{shared/004.out => generic/016.out} | 2 +- tests/{shared/005 => generic/017} | 4 +- tests/generic/017.out | 4 + tests/{shared/218 => generic/018} | 4 +- tests/{shared/218.out => generic/018.out} | 2 +- tests/{shared/305 => generic/019} | 4 +- tests/{shared/305.out => generic/019.out} | 2 +- tests/{shared/001 => generic/021} | 6 +- tests/{shared/001.out => generic/021.out} | 2 +- tests/{shared/002 => generic/022} | 6 +- tests/{shared/002.out => generic/022.out} | 2 +- tests/generic/group | 9 + tests/shared/005.out | 4 - tests/shared/006 | 97 +++++++ tests/shared/006.out | 2 + tests/shared/group | 10 +- tests/xfs/006 | 63 +++++ tests/xfs/006.out | 28 +++ tests/xfs/group | 1 + 47 files changed, 2746 insertions(+), 216 deletions(-) create mode 100644 README.config-sections create mode 100644 src/dirhash_collide.c create mode 100644 tests/btrfs/043 create mode 100644 tests/btrfs/043.out create mode 100644 tests/btrfs/044 create mode 100644 tests/btrfs/044.out create mode 100755 tests/btrfs/045 create mode 100644 tests/btrfs/045.out create mode 100644 tests/btrfs/046 create mode 100644 tests/btrfs/046.out rename tests/{shared/243 => ext4/002} (99%) rename tests/{shared/243.out => ext4/002.out} (95%) create mode 100755 tests/generic/004 create mode 100644 tests/generic/004.out create mode 100644 tests/generic/009 create mode 100644 tests/generic/009.out rename tests/{shared/003 => generic/012} (93%) mode change 100644 => 100755 rename tests/{shared/003.out => generic/012.out} (97%) rename tests/{shared/004 => generic/016} (93%) mode change 100644 => 100755 rename tests/{shared/004.out => generic/016.out} (97%) rename tests/{shared/005 => generic/017} (97%) mode change 100644 => 100755 create mode 100644 tests/generic/017.out rename tests/{shared/218 => generic/018} (98%) rename tests/{shared/218.out => generic/018.out} (93%) rename tests/{shared/305 => generic/019} (98%) rename tests/{shared/305.out => generic/019.out} (88%) rename tests/{shared/001 => generic/021} (93%) rename tests/{shared/001.out => generic/021.out} (97%) rename tests/{shared/002 => generic/022} (93%) mode change 100644 => 100755 rename tests/{shared/002.out => generic/022.out} (97%) delete mode 100644 tests/shared/005.out create mode 100755 tests/shared/006 create mode 100644 tests/shared/006.out create mode 100755 tests/xfs/006 create mode 100644 tests/xfs/006.out -- Dave Chinner david@fromorbit.com From fdmanana@gmail.com Fri Apr 4 08:07:23 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=FREEMAIL_FROM,T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id C0C317FCD for ; Fri, 4 Apr 2014 08:07:23 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id 699B7AC00E for ; Fri, 4 Apr 2014 06:07:20 -0700 (PDT) X-ASG-Debug-ID: 1396616836-04bdf0743ab2a80001-NocioJ Received: from mail-lb0-f169.google.com (mail-lb0-f169.google.com [209.85.217.169]) by cuda.sgi.com with ESMTP id f9nx9KQzZnPMWQet (version=TLSv1 cipher=RC4-SHA bits=128 verify=NO) for ; Fri, 04 Apr 2014 06:07:18 -0700 (PDT) X-Barracuda-Envelope-From: fdmanana@gmail.com X-Barracuda-Apparent-Source-IP: 209.85.217.169 X-Barracuda-IPDD: Level1 [gmail.com/209.85.217.169] Received: by mail-lb0-f169.google.com with SMTP id q8so2488313lbi.0 for ; Fri, 04 Apr 2014 06:07:16 -0700 (PDT) X-Barracuda-IPDD: Level1 [gmail.com/209.85.217.169] X-Barracuda-IPDD: Level1 [gmail.com/209.85.217.169] DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:reply-to:in-reply-to:references:date:message-id :subject:from:to:cc:content-type; bh=FTKOAkdQ5NN2cOtxn4Q0iO3UE3+e9oq8jCMPJ5RCUOA=; b=gbXs/RbL2s7g37+RGH9gbf6F29E+qNMJhwApJ6WyJRvJJFmZwHVWhiwTwkzLTj010q 5/Dd6fJreL47Jq4uUmgoVwZOHr0gfDtWPAQx5+mnn8SOLxxfLXJlfhJxFTLbbxvz/Ha6 ztUSoCNfvYB7yXttAHcsjBHwR4mGN6vdZE0bjLkZBDh+8oJs4Y3AjRV/dy5budBcAHzG e32il3kzLll6j3V4tPHpnaVhxTtHDj12BDOm2VhltoE4pdPVVD2LCnZBjesZSssxYSKZ LPAKy6z30MmQA342CwhLpTO1AA4IhxJmXxavG0ZFCnRYOV3y64VfKsDEt4cFBZAl0rPC zs8g== MIME-Version: 1.0 X-Received: by 10.112.134.230 with SMTP id pn6mr1713283lbb.37.1396616836302; Fri, 04 Apr 2014 06:07:16 -0700 (PDT) Received: by 10.112.164.231 with HTTP; Fri, 4 Apr 2014 06:07:16 -0700 (PDT) Reply-To: fdmanana@gmail.com In-Reply-To: <20140404090357.GW17603@dastard> References: <20140404090357.GW17603@dastard> Date: Fri, 4 Apr 2014 14:07:16 +0100 Message-ID: Subject: Re: [ANNOUNCE] xfstests: updated to cf1ed54 From: Filipe David Manana X-ASG-Orig-Subj: Re: [ANNOUNCE] xfstests: updated to cf1ed54 To: Dave Chinner Cc: "xfs@oss.sgi.com" , "linux-btrfs@vger.kernel.org" , linux-ext4@vger.kernel.org Content-Type: text/plain; charset=UTF-8 X-Barracuda-Connect: mail-lb0-f169.google.com[209.85.217.169] X-Barracuda-Start-Time: 1396616837 X-Barracuda-Encrypted: RC4-SHA X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.20 X-Barracuda-Spam-Status: No, SCORE=0.20 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=DKIM_SIGNED, DKIM_VERIFIED, PR0N_SUBJECT X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4561 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- -0.00 DKIM_VERIFIED Domain Keys Identified Mail: signature passes verification 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature 0.20 PR0N_SUBJECT Subject has letters around special characters (pr0n) On Fri, Apr 4, 2014 at 10:03 AM, Dave Chinner wrote: > Hi folks, > > The xfstests repository at git://oss.sgi.com/xfs/cmds/xfstests has > just been updated. Patches often get missed, so please check if your > outstanding patches were in this update. If they have not been in > this update, please resubmit them to xfs@oss.sgi.com so they can be > picked up in the next update. > > The new head of the master branch is commit: > > cf1ed54 check: fix RESULT_BASE typo in check script > > The major new functionality worth mentioning in this update is the > new config file format from Lukas. The existing format config files > should continue to work without change, but the new format is much > richer and allows specification of multiple different configurations > to run test under. Hence testing multiple mount an dmkfs > configurations becomes as simple as iterating the configurations > in the config file. Hi, I might be missing something, but after checking out these changes, I am no longer able to run btrfs tests. Example: $ ./check btrfs/041 common/config: Error: $SCRATCH_DEV should be unset when $SCRATCH_DEV_POOL is set Passed all 0 tests $ cat local.config export TEST_DEV=/dev/sdb export TEST_DIR=/home/fdmanana/btrfs-tests/dev export SCRATCH_MNT="/home/fdmanana/btrfs-tests/scratch_1" export SCRATCH_DEV_POOL="/dev/sdc /dev/sdd" I did check too that my shell environment didn't define/export SCRATCH_DEV. Going back to revision 3948694eb12e9699f558fab5e8169a8b090780d1, using the same exact config, it works. Do I need to adjust something in my config or is it a regression? thanks > > New Commits: > > Christoph Hellwig (2): > [feb7da1] common: add flink support to _require_xfs_io_command > [3bbbc25] generic: add a basic O_TMPFILE test > > Eric Sandeen (1): > [cf1ed54] check: fix RESULT_BASE typo in check script > > Eryu Guan (1): > [dadfd3c] shared: new test to use up free inodes > > Filipe David Borba Manana (3): > [bb2499e] btrfs: add test for btrfs send issuing premature rmdir operations > [c99c847] btrfs: add test for btrfs incremental send > [e0ff31a] btrfs: add test for btrfs incremental send data corruption > > Filipe Manana (1): > [1a87439] btrfs: add test for btrfs send directory moves/renames > > Hannes Frederic Sowa (1): > [947ee8b] fs: add directories hash collision test > > Lukas Czerner (10): > [4d18f5a] generic: add generic test for fallocate zero range > [bf44459] check: Prepare for config section > [667308d] check: Add support for sections in config file > [f8e4f53] check: Allow to recreate TEST_DEV > [b1ffb05] check: Remount file system if MOUNT_OPTIONS changed > [7baa3e2] check: unmount TEST_DEV and SCRATCH_DEV after test run > [21723cd] generic: Make some shared tests generic > [259d680] ext4: Make shared/243 ext4 specific > [5f8c711] fsx: Add fallocate collapse range operation > [f98d930] fsstress: Add fallocate collapse range operation > > > Code Diffstat: > > .gitignore | 1 + > README.config-sections | 87 +++++++ > check | 404 ++++++++++++++++++------------ > common/config | 155 +++++++++++- > common/rc | 30 ++- > ltp/fsstress.c | 20 ++ > ltp/fsx.c | 107 +++++++- > src/Makefile | 2 +- > src/dirhash_collide.c | 223 +++++++++++++++++ > tests/btrfs/043 | 149 +++++++++++ > tests/btrfs/043.out | 1 + > tests/btrfs/044 | 129 ++++++++++ > tests/btrfs/044.out | 1 + > tests/btrfs/045 | 376 +++++++++++++++++++++++++++ > tests/btrfs/045.out | 1 + > tests/btrfs/046 | 304 ++++++++++++++++++++++ > tests/btrfs/046.out | 213 ++++++++++++++++ > tests/btrfs/group | 4 + > tests/{shared/243 => ext4/002} | 4 +- > tests/{shared/243.out => ext4/002.out} | 2 +- > tests/ext4/group | 1 + > tests/generic/004 | 65 +++++ > tests/generic/004.out | 6 + > tests/generic/009 | 78 ++++++ > tests/generic/009.out | 333 ++++++++++++++++++++++++ > tests/{shared/003 => generic/012} | 6 +- > tests/{shared/003.out => generic/012.out} | 2 +- > tests/{shared/004 => generic/016} | 6 +- > tests/{shared/004.out => generic/016.out} | 2 +- > tests/{shared/005 => generic/017} | 4 +- > tests/generic/017.out | 4 + > tests/{shared/218 => generic/018} | 4 +- > tests/{shared/218.out => generic/018.out} | 2 +- > tests/{shared/305 => generic/019} | 4 +- > tests/{shared/305.out => generic/019.out} | 2 +- > tests/{shared/001 => generic/021} | 6 +- > tests/{shared/001.out => generic/021.out} | 2 +- > tests/{shared/002 => generic/022} | 6 +- > tests/{shared/002.out => generic/022.out} | 2 +- > tests/generic/group | 9 + > tests/shared/005.out | 4 - > tests/shared/006 | 97 +++++++ > tests/shared/006.out | 2 + > tests/shared/group | 10 +- > tests/xfs/006 | 63 +++++ > tests/xfs/006.out | 28 +++ > tests/xfs/group | 1 + > 47 files changed, 2746 insertions(+), 216 deletions(-) > create mode 100644 README.config-sections > create mode 100644 src/dirhash_collide.c > create mode 100644 tests/btrfs/043 > create mode 100644 tests/btrfs/043.out > create mode 100644 tests/btrfs/044 > create mode 100644 tests/btrfs/044.out > create mode 100755 tests/btrfs/045 > create mode 100644 tests/btrfs/045.out > create mode 100644 tests/btrfs/046 > create mode 100644 tests/btrfs/046.out > rename tests/{shared/243 => ext4/002} (99%) > rename tests/{shared/243.out => ext4/002.out} (95%) > create mode 100755 tests/generic/004 > create mode 100644 tests/generic/004.out > create mode 100644 tests/generic/009 > create mode 100644 tests/generic/009.out > rename tests/{shared/003 => generic/012} (93%) > mode change 100644 => 100755 > rename tests/{shared/003.out => generic/012.out} (97%) > rename tests/{shared/004 => generic/016} (93%) > mode change 100644 => 100755 > rename tests/{shared/004.out => generic/016.out} (97%) > rename tests/{shared/005 => generic/017} (97%) > mode change 100644 => 100755 > create mode 100644 tests/generic/017.out > rename tests/{shared/218 => generic/018} (98%) > rename tests/{shared/218.out => generic/018.out} (93%) > rename tests/{shared/305 => generic/019} (98%) > rename tests/{shared/305.out => generic/019.out} (88%) > rename tests/{shared/001 => generic/021} (93%) > rename tests/{shared/001.out => generic/021.out} (97%) > rename tests/{shared/002 => generic/022} (93%) > mode change 100644 => 100755 > rename tests/{shared/002.out => generic/022.out} (97%) > delete mode 100644 tests/shared/005.out > create mode 100755 tests/shared/006 > create mode 100644 tests/shared/006.out > create mode 100755 tests/xfs/006 > create mode 100644 tests/xfs/006.out > -- > Dave Chinner > david@fromorbit.com > -- > To unsubscribe from this list: send the line "unsubscribe linux-ext4" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html -- Filipe David Manana, "Reasonable men adapt themselves to the world. Unreasonable men adapt the world to themselves. That's why all progress depends on unreasonable men." From bfoster@redhat.com Fri Apr 4 08:37:17 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id D25D67FE0 for ; Fri, 4 Apr 2014 08:37:15 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id BE1D7304064 for ; Fri, 4 Apr 2014 06:37:12 -0700 (PDT) X-ASG-Debug-ID: 1396618631-04cb6c5678c78bb0001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id fSf42GDEUHeo7kTG for ; Fri, 04 Apr 2014 06:37:11 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s34Db4jS019423 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 4 Apr 2014 09:37:04 -0400 Received: from laptop.bfoster (vpn-63-111.rdu2.redhat.com [10.10.63.111]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s34Db3NM002091; Fri, 4 Apr 2014 09:37:03 -0400 Received: from laptop.bfoster (localhost.localdomain [127.0.0.1]) by laptop.bfoster (Postfix) with ESMTP id E9340120ADC; Fri, 4 Apr 2014 09:37:02 -0400 (EDT) Received: (from bfoster@localhost) by laptop.bfoster (8.14.7/8.14.7/Submit) id s34Db1uo013509; Fri, 4 Apr 2014 09:37:01 -0400 X-Authentication-Warning: laptop.bfoster: bfoster set sender to bfoster@redhat.com using -f Date: Fri, 4 Apr 2014 09:37:01 -0400 From: Brian Foster To: Dave Chinner Cc: xfs@oss.sgi.com, Viro@disappointment.disaster, viro@ZenIV.linux.org.uk, Al@disappointment.disaster Subject: Re: [PATCH 5/6] xfs: splitting delalloc extents can run out of reservation Message-ID: <20140404133700.GA12961@laptop.bfoster> X-ASG-Orig-Subj: Re: [PATCH 5/6] xfs: splitting delalloc extents can run out of reservation References: <1395396710-3824-1-git-send-email-david@fromorbit.com> <1395396710-3824-6-git-send-email-david@fromorbit.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1395396710-3824-6-git-send-email-david@fromorbit.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1396618631 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Fri, Mar 21, 2014 at 09:11:49PM +1100, Dave Chinner wrote: > From: Dave Chinner > > When we punch a hole in a delalloc extent, we split the indirect > block reservation between the two new extents. If we repeatedly > punch holes in a large delalloc extent, that reservation will > eventually run out and we'll assert fail in xfs_bunmapi() because > the indirect block reservation for the delalloc extent is zero. This > is caused by doing a large delalloc write, then zeroing multiple > ranges of that write using fallocate to punch lots of holes in the > delayed allocation range. > > To avoid this problem, if we split the reservation and require more > indirect blocks for the two new extents than we had for the old > reservation, steal the additional blocks from the hole we punched in > the extent. In most cases we only need a single extra block, so even > if we punch only single block holes we can still retain sufficient > indirect block reservations to avoid problems. > > In doing this "stealing", we need to change where we account for the > delalloc blocks being freed. The block count held on the inode does > not take into account the indirect block reservation, so we still > need to do that before we free the extent. However, the accounting > ofr free space in the superblock need to be done after we've stolen > the blocks fro the freed extent so that they are accounted for > correctly. > > Signed-off-by: Dave Chinner > --- > fs/xfs/xfs_bmap.c | 65 ++++++++++++++++++++++++++++++++++++++++--------------- > 1 file changed, 47 insertions(+), 18 deletions(-) > > diff --git a/fs/xfs/xfs_bmap.c b/fs/xfs/xfs_bmap.c > index 5b6092e..4bf6a0e 100644 > --- a/fs/xfs/xfs_bmap.c > +++ b/fs/xfs/xfs_bmap.c > @@ -4945,7 +4945,27 @@ xfs_bmap_del_extent( > temp2 = xfs_bmap_worst_indlen(ip, temp2); > new.br_startblock = nullstartblock((int)temp2); > da_new = temp + temp2; > + > + /* > + * Note: if we have an odd number of blocks reserved, > + * then if we keep splitting the delalloc extent like > + * this we end up with a delalloc indlen reservation of > + * zero for one of the two extents. Hence if we end > + * up with the new indlen reservations being larger than > + * the old one, steal blocks from the data reservation > + * we just punched out. Otherwise, just reduce the > + * remaining indlen reservations alternately and hope > + * next time we come here the range getting removed is > + * large enough to fix this all up. > + */ > while (da_new > da_old) { > + if (del->br_blockcount) { > + /* steal a block */ > + da_new--; > + del->br_blockcount--; > + continue; > + } > + > if (temp) { > temp--; > da_new--; > @@ -5255,24 +5275,6 @@ xfs_bunmapi( > } > if (wasdel) { > ASSERT(startblockval(del.br_startblock) > 0); > - /* Update realtime/data freespace, unreserve quota */ > - if (isrt) { > - xfs_filblks_t rtexts; > - > - rtexts = XFS_FSB_TO_B(mp, del.br_blockcount); > - do_div(rtexts, mp->m_sb.sb_rextsize); > - xfs_mod_incore_sb(mp, XFS_SBS_FREXTENTS, > - (int64_t)rtexts, 0); > - (void)xfs_trans_reserve_quota_nblks(NULL, > - ip, -((long)del.br_blockcount), 0, > - XFS_QMOPT_RES_RTBLKS); > - } else { > - xfs_icsb_modify_counters(mp, XFS_SBS_FDBLOCKS, > - (int64_t)del.br_blockcount, 0); > - (void)xfs_trans_reserve_quota_nblks(NULL, > - ip, -((long)del.br_blockcount), 0, > - XFS_QMOPT_RES_REGBLKS); > - } > ip->i_delayed_blks -= del.br_blockcount; > if (cur) > cur->bc_private.b.flags |= > @@ -5302,6 +5304,33 @@ xfs_bunmapi( > } > error = xfs_bmap_del_extent(ip, tp, &lastx, flist, cur, &del, > &tmp_logflags, whichfork); > + /* > + * xfs_bmap_del_extent may hand delayed alloc blocks back to the > + * indirect block reservations to keep extent split reservations > + * sane. Hence we should only decrement the delayed block count > + * on the inode once we know exactly the amount of delalloc > + * space we actually removed from the inode. > + */ > + if (wasdel && del.br_blockcount) { > + /* Update realtime/data freespace, unreserve quota */ > + if (isrt) { > + xfs_filblks_t rtexts; > + > + rtexts = XFS_FSB_TO_B(mp, del.br_blockcount); > + do_div(rtexts, mp->m_sb.sb_rextsize); > + xfs_mod_incore_sb(mp, XFS_SBS_FREXTENTS, > + (int64_t)rtexts, 0); > + (void)xfs_trans_reserve_quota_nblks(NULL, > + ip, -((long)del.br_blockcount), 0, > + XFS_QMOPT_RES_RTBLKS); > + } else { > + xfs_icsb_modify_counters(mp, XFS_SBS_FDBLOCKS, > + (int64_t)del.br_blockcount, 0); > + (void)xfs_trans_reserve_quota_nblks(NULL, > + ip, -((long)del.br_blockcount), 0, > + XFS_QMOPT_RES_REGBLKS); > + } > + } In xfs_bmapi_reserve_delalloc(), we account alen against the quota, calculate indlen, account both against the sb counters, add alen to i_delayed_blks and continue on... In xfs_bunmap(), we remove br_blockcount from the sb counters and unreserve from the quota then call into xfs_bmap_del_extent(). The latter takes care of removing the indlen blocks from the sb counters if necessary. With these changes, we move the accounting after the del_extent() call and allow the latter to steal from br_blockcount for indlen. This seems like it works for the sb counters. We also adjust i_delayed_blks against the original extent length before it can be modified. The quota reservation looks like it could become inconsistent, however. E.g., some blocks previously accounted against the quota (alen) are now moved over to indlen. If those indlen blocks happen to be cleaned up through del_extent(), they'd only be replenished to the sb counters (near the end of del_extent()). Perhaps we should leave the quota unreserve prior to the del_extent() call or sample the original br_blockcount and use it post del_extent()..? Brian > logflags |= tmp_logflags; > if (error) > goto error0; > -- > 1.9.0 > > _______________________________________________ > xfs mailing list > xfs@oss.sgi.com > http://oss.sgi.com/mailman/listinfo/xfs From zwu.kernel@gmail.com Fri Apr 4 10:09:23 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=FREEMAIL_FROM,T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id E54987FCE for ; Fri, 4 Apr 2014 10:09:23 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id B87338F80B7 for ; Fri, 4 Apr 2014 08:09:20 -0700 (PDT) X-ASG-Debug-ID: 1396624158-04bdf05dabca5850001-NocioJ Received: from mail-yh0-f54.google.com (mail-yh0-f54.google.com [209.85.213.54]) by cuda.sgi.com with ESMTP id AcXnig3SQnqVS7lD (version=TLSv1 cipher=RC4-SHA bits=128 verify=NO) for ; Fri, 04 Apr 2014 08:09:18 -0700 (PDT) X-Barracuda-Envelope-From: zwu.kernel@gmail.com X-Barracuda-Apparent-Source-IP: 209.85.213.54 X-Barracuda-IPDD: Level1 [gmail.com/209.85.213.54] Received: by mail-yh0-f54.google.com with SMTP id f73so3239596yha.13 for ; Fri, 04 Apr 2014 08:09:18 -0700 (PDT) X-Barracuda-IPDD: Level1 [gmail.com/209.85.213.54] X-Barracuda-IPDD: Level1 [gmail.com/209.85.213.54] DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:date:message-id:subject:from:to:cc:content-type; bh=CY7Y7eqIhI7lpH82+M3UL/gNzw++EpAQZwNuBt+r+AM=; b=Oc5RiAiuTX65WBHvhHfCuNCZjzKXVZ8dngtLZgz3+w0vO064VxkGBcsly2et/96U2s wdOVtxRLbc36nP98xRMOdWFu61LD/ijJ+guzlCBbyFLH13kZwYuIfd+YiBkTWMFLhtTs LbfW3pHwK6qdjW30410L0OsgphF0hFIzPptjmT8X0jBW4Y+buw8319PljBO6QW0qzvc6 F9Gkw7u7nb64U4OlCZxMqHjFl2luPR0onqCqePWlj2Ang3JV/vGZ2Q45uJ3AjKTOEoye ZlSRuVkyxhddI3II3H1XJ6EzHpgd6gVqJOgHVYMSQ4HQQJHtH3EOaM7AHlgjwgmiCSW/ liMw== MIME-Version: 1.0 X-Received: by 10.236.61.45 with SMTP id v33mr17864744yhc.20.1396624150545; Fri, 04 Apr 2014 08:09:10 -0700 (PDT) Received: by 10.170.207.71 with HTTP; Fri, 4 Apr 2014 08:09:10 -0700 (PDT) Date: Fri, 4 Apr 2014 23:09:10 +0800 Message-ID: Subject: [Bug] XFS: DIO random write + BufferIO read From: Zhi Yong Wu X-ASG-Orig-Subj: [Bug] XFS: DIO random write + BufferIO read To: xfstests Cc: Dave Chinner , jack@suse.cz, "linux-fsdevel@vger.kernel.org" , "Theodore Ts'o" Content-Type: text/plain; charset=ISO-8859-1 X-Barracuda-Connect: mail-yh0-f54.google.com[209.85.213.54] X-Barracuda-Start-Time: 1396624158 X-Barracuda-Encrypted: RC4-SHA X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=DKIM_SIGNED, DKIM_VERIFIED X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4562 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- -0.00 DKIM_VERIFIED Domain Keys Identified Mail: signature passes verification 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature HI When i try something on XFS filesytem, i hit one issue as below: One main task create multiple threads at first, Then it will dio random write some files with random offset and length for each thread. When those files get ready, those multiple threads will bufferio read them and check if the data are same as their corresponding buffer. In theory, they should be same, but the actual result isn't what we expect By the way, i did the same try on ext3 filesystem, but didn't get any such issue. Below is the test code: #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include using namespace std; #define AIO_BLKSIZE 4096 #define AIO_MAXIO 64 static long gettid() { return static_cast(pthread_self()); } static void* aioThreadWrapper(void* arg); class DioTest; struct cbParam { cbParam(DioTest* p, int fileseq) :p_(p), fileseq_(fileseq) {} DioTest* p_; int fileseq_; }; class DioTest { public: DioTest(const char* name) { filename = name; memset(&myctx, 0, sizeof(myctx)); io_queue_init(AIO_MAXIO, &myctx); pthread_t tid; pthread_create(&tid, NULL, aioThreadWrapper, this); } void wr_done(int fileseq, struct iocb *iocb, long res, long res2) { close(iocb->aio_fildes); if (res2 != 0) { printf("aio write error n"); abort(); } if (res != iocb->u.c.nbytes) { printf("write missed bytes expect %ld got %ld n", iocb->u.c.nbytes, res); abort(); } size_t length = iocb->u.c.nbytes; size_t offset = iocb->u.c.offset; char path[1024]; snprintf(path, sizeof(path), "%s%d", filename, fileseq); int fd = open(path, O_RDONLY); assert(fd >= 0); char* readbuf = (char*)malloc(length); assert(readbuf); memset(readbuf, 0, length); ssize_t ret = pread(fd, readbuf, length, offset); assert (ret == length); close(fd); int cmp = memcmp(readbuf, iocb->u.c.buf, length); if (cmp != 0) { printf("tid=%ld data dismatch.cmp=%d file=%s offset=%lu length=%lu!\n", gettid(), cmp, path, offset, length); abort(); } printf("tid=%ld check=success file=%s offset=%lu length=%lu\n", gettid(), path, offset, length); free(iocb->u.c.buf); free(iocb); free(readbuf); } bool writeRequest(int fileseq, size_t offset, size_t length) { struct iocb *io = (struct iocb *)malloc(sizeof(struct iocb)); assert (io); char path[1024]; snprintf(path, sizeof(path), "%s%d", filename, fileseq); int fd = open(path, O_RDWR|O_DIRECT|O_CREAT, S_IWUSR | S_IRUSR); assert (fd >= 0); void* buf=NULL; int ret = posix_memalign(&buf, getpagesize(), length); assert(ret == 0); memset(buf, 'a', length); io_prep_pwrite(io, fd, buf, length, offset); io->data = new cbParam(this, fileseq); int rc = io_submit(myctx, 1, &io); if (rc < 0){ printf("tid=%ld io_submit fail.file=%s offset=%lu length=%lu ret=%d errno=%s\n", gettid(), path, offset, length, ret, strerror(errno)); close(fd); free(buf); delete (cbParam*)(io->data); free(io); return false; } assert (rc != 0); printf("tid=%ld file=%s offset=%lu length=%lu\n",gettid(), path, offset, length); return true; } void aioThread() { while (true) { struct io_event events[AIO_MAXIO]; io_callback_t cb; int ret = io_getevents(myctx, 1, AIO_MAXIO, events, NULL); printf("tid=%ld %d io_request completed \n", gettid(), ret); for (int i = 0; i < ret; i++) { struct iocb *io = events[i].obj; printf("tid=%ld events[%d]res = %ld, res2 = %ld\n", gettid(), i, events[i].res, events[i].res2); cbParam* param = (cbParam*)io->data; DioTest* p = param->p_; p->wr_done(param->fileseq_, io, events[i].res, events[i].res2); delete param; } } } private: io_context_t myctx; const char* filename; }; static void* aioThreadWrapper(void* arg) { DioTest* p = (DioTest*)arg; p->aioThread(); return NULL; } int main(int args, char *argv[]) { if (args < 2) { printf("./%s filename", argv[0]); exit(1); } const char* filename = argv[1]; srand(time(NULL)); vector dioTests; const int threadNumber = 9; for (int i = 0; i < threadNumber; ++i) { dioTests.push_back(new DioTest(filename)); } while (true) { size_t offset = (rand() % (64*1024*1024/AIO_BLKSIZE)) * AIO_BLKSIZE; size_t length = 0; while (length == 0) { length = abs(static_cast(rand()*1.0/RAND_MAX*16))*AIO_BLKSIZE; } int seq = rand() % 100; DioTest* p = dioTests[rand() % threadNumber]; for (int i = 0; i < 4; ++i){ p->writeRequest(seq, offset, length); offset += (length + 4096); } usleep(rand() % 10000); } return 0; } -- Regards, Zhi Yong Wu From bfoster@redhat.com Fri Apr 4 10:26:45 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 6428B7FEE for ; Fri, 4 Apr 2014 10:26:45 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id 44F7A304062 for ; Fri, 4 Apr 2014 08:26:42 -0700 (PDT) X-ASG-Debug-ID: 1396625200-04cbb054b8a8c780001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id bOqpeMU0fE7MZBzg for ; Fri, 04 Apr 2014 08:26:41 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx13.intmail.prod.int.phx2.redhat.com (int-mx13.intmail.prod.int.phx2.redhat.com [10.5.11.26]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s34FQcxN028408 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 4 Apr 2014 11:26:38 -0400 Received: from bfoster.bfoster ([10.18.41.237]) by int-mx13.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s34FQc2G012575; Fri, 4 Apr 2014 11:26:38 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id EFB121256CC; Fri, 4 Apr 2014 11:26:36 -0400 (EDT) Date: Fri, 4 Apr 2014 11:26:36 -0400 From: Brian Foster To: Dave Chinner Cc: Al@disappointment.disaster, Viro@disappointment.disaster, viro@ZenIV.linux.org.uk, xfs@oss.sgi.com Subject: Re: [PATCH 2/6] xfs: write failure beyond EOF truncates too much data Message-ID: <20140404152636.GA40629@bfoster.bfoster> X-ASG-Orig-Subj: Re: [PATCH 2/6] xfs: write failure beyond EOF truncates too much data References: <1395396710-3824-1-git-send-email-david@fromorbit.com> <1395396710-3824-3-git-send-email-david@fromorbit.com> <20140329151419.GA33827@bfoster.bfoster> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140329151419.GA33827@bfoster.bfoster> User-Agent: Mutt/1.5.21 (2010-09-15) X-Scanned-By: MIMEDefang 2.68 on 10.5.11.26 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1396625201 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Sat, Mar 29, 2014 at 11:14:19AM -0400, Brian Foster wrote: > On Fri, Mar 21, 2014 at 09:11:46PM +1100, Dave Chinner wrote: > > From: Dave Chinner > > > > If we fail a write beyond EOF and have to handle it in > > xfs_vm_write_begin(), we truncate the inode back to the current inode > > size. This doesn't take into account the fact that we may have > > already made successful writes to the same page (in the case of block > > size < page size) and hence we can truncate the page cache away from > > blocks with valid data in them. If these blocks are delayed > > allocation blocks, we now have a mismatch between the page cache and > > the extent tree, and this will trigger - at minimum - a delayed > > block count mismatch assert when the inode is evicted from the cache. > > We can also trip over it when block mapping for direct IO - this is > > the most common symptom seen from fsx and fsstress when run from > > xfstests. > > > > Fix it by only truncating away the exact range we are updating state > > for in this write_begin call. > > > > Signed-off-by: Dave Chinner > > --- > > fs/xfs/xfs_aops.c | 10 ++++++++-- > > 1 file changed, 8 insertions(+), 2 deletions(-) > > > > diff --git a/fs/xfs/xfs_aops.c b/fs/xfs/xfs_aops.c > > index e810243..6b4ecc8 100644 > > --- a/fs/xfs/xfs_aops.c > > +++ b/fs/xfs/xfs_aops.c > > @@ -1609,12 +1609,18 @@ xfs_vm_write_begin( > > status = __block_write_begin(page, pos, len, xfs_get_blocks); > > if (unlikely(status)) { > > struct inode *inode = mapping->host; > > + size_t isize = i_size_read(inode); > > > > xfs_vm_write_failed(inode, page, pos, len); > > unlock_page(page); > > > > - if (pos + len > i_size_read(inode)) > > - truncate_pagecache(inode, i_size_read(inode)); > > From what I can see, we have a write_begin/copy/write_end sequence per > page and the inode size is updated down in the write_end path. If the > write fails at write_begin time, then we haven't copied any data and the > inode size hasn't changed. > > The intent of the original code looks like it wants to break off any > blocks that might have been set up beyond EOF before the write happened > to fail. Could you elaborate on how this can kill blocks that might have > been written successfully? Doesn't this only affect post-EOF metadata? > > > + /* > > + * If the write is beyond EOF, we only want to kill blocks > > + * allocated in this write, not blocks that were previously > > + * written successfully. > > + */ > > + if (pos + len > isize) > > + truncate_pagecache_range(inode, pos, pos + len); > > So the cache truncate now covers the range of the write. What happens if > the part of the write is an overwrite? This seems similar to the problem > you've described above... should the truncate start at isize instead? > I ran an experiment on this to confirm my suspicion here. I added a quick little hack to fail any write_begin (set status=-1) for which pos != 0. With that in place: xfs_io -fc "pwrite -b 2k 0 2k" /mnt/file # hexdump /mnt/file 0000000 cdcd cdcd cdcd cdcd cdcd cdcd cdcd cdcd * 0000800 xfs_io -c "pwrite -b 2k 1k 2k" /mnt/file (fails) # hexdump /mnt/file 0000000 cdcd cdcd cdcd cdcd cdcd cdcd cdcd cdcd * 0000400 0000 0000 0000 0000 0000 0000 0000 0000 * 0000800 The failed extending write trashes the data over the previously valid region. Brian > Brian > > > > > page_cache_release(page); > > page = NULL; > > -- > > 1.9.0 > > > > _______________________________________________ > > xfs mailing list > > xfs@oss.sgi.com > > http://oss.sgi.com/mailman/listinfo/xfs > > _______________________________________________ > xfs mailing list > xfs@oss.sgi.com > http://oss.sgi.com/mailman/listinfo/xfs From bob.mastors@solidfire.com Fri Apr 4 13:15:29 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=HTML_MESSAGE autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 2A11E7FDA for ; Fri, 4 Apr 2014 13:15:29 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 0F3BD8F8054 for ; Fri, 4 Apr 2014 11:15:25 -0700 (PDT) X-ASG-Debug-ID: 1396635323-04cb6c5675c82500001-NocioJ Received: from mail-vc0-f169.google.com (mail-vc0-f169.google.com [209.85.220.169]) by cuda.sgi.com with ESMTP id AisVtTE6qQrJnW6Z (version=TLSv1 cipher=RC4-SHA bits=128 verify=NO) for ; Fri, 04 Apr 2014 11:15:24 -0700 (PDT) X-Barracuda-Envelope-From: bob.mastors@solidfire.com X-Barracuda-Apparent-Source-IP: 209.85.220.169 Received: by mail-vc0-f169.google.com with SMTP id ik5so3523362vcb.28 for ; Fri, 04 Apr 2014 11:15:23 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:date:message-id:subject:from:to :content-type; bh=r8XYTMIq2GPEgkqZx+cYwBzocnVFkXiL2SSOy4Mtd/Q=; b=IzVH74TtlkUg3z0mde6fWnwFPlxiJsXyRLnL37YoUe0e5UyZW+N1hilXU9gz+GeUG/ tGJQaqM+HYFhMQrQOkmsa4hkQDxdHin7JNccmzQO59Fdx5jQcaaw47OKBbGafSSpJPb0 P5cgJQWUySL+nCDcx2lBadrRCHduvYjJ1xZdl/lKXWyuCpmRrTRi4td1oYN9ruMrGRAa xqgKRgCjnZaetQACpD006dC4XBpHxDOWOnO4yic+1VDvPWcwk8VqlU/fToQTbDLlhvDN Zh4LIFtE5lYeAydFi3Iq0i+zbuexUjebQSkJsVeK8/rKAmzzsZzZgK4SUn/3MR6Y23G2 Yvjg== X-Gm-Message-State: ALoCoQk01H3TQulGfiMR2R0ZSp/62vpIgtp3T7VPhr3Srcom2JV49Sf/ftsgVXBqamdyr1roZCJ/ MIME-Version: 1.0 X-Received: by 10.52.166.18 with SMTP id zc18mr356059vdb.65.1396635323248; Fri, 04 Apr 2014 11:15:23 -0700 (PDT) Received: by 10.52.30.52 with HTTP; Fri, 4 Apr 2014 11:15:23 -0700 (PDT) Date: Fri, 4 Apr 2014 12:15:23 -0600 Message-ID: Subject: xfs umount with i/o error hang/memory corruption From: Bob Mastors X-ASG-Orig-Subj: xfs umount with i/o error hang/memory corruption To: xfs@oss.sgi.com Content-Type: multipart/alternative; boundary=001a11c20232530cc004f63b809f X-Barracuda-Connect: mail-vc0-f169.google.com[209.85.220.169] X-Barracuda-Start-Time: 1396635324 X-Barracuda-Encrypted: RC4-SHA X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=FRT_VALIUM2, FUZZY_VLIUM, HTML_MESSAGE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4569 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 FRT_VALIUM2 BODY: ReplaceTags: Valium (2) 0.00 FUZZY_VLIUM BODY: Attempt to obfuscate words in spam 0.00 HTML_MESSAGE BODY: HTML included in message --001a11c20232530cc004f63b809f Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Greetings, I am new to xfs and am running into a problem and would appreciate any guidance on how to proceed. After an i/o error from the block device that xfs is using, an umount results in a message like: [ 370.636473] XFS (sdx): Log I/O Error Detected. Shutting down filesystem [ 370.644073] XFS (h =EF=BF=BD=EF=BF=BD=EF=BF=BDh"h =EF= =BF=BD=EF=BF=BD=EF=BF=BDH#h =EF=BF=BD=EF=BF=BD=EF=BF=BDbsg): Please umount the filesystem and rectify the problem(s) Note the garbage on the previous line which suggests memory corruption. About half the time I get the garbled log message. About half the time umount hangs. And then I get this kind of error and the system is unresponsive: Message from syslogd@debian at Apr 4 09:27:40 ... kernel:[ 680.080022] BUG: soft lockup - CPU#2 stuck for 22s! [umount:2849= ] The problem appears to be similar to this issue: http://www.spinics.net/lists/linux-xfs/msg00061.html I can reproduce the problem easily using open-iscsi to create the block device with an iscsi initiator. I use lio to create an iscsi target. The problem is triggered by doing an iscsi logout which causes the block device to return i/o errors to xfs. Steps to reproduce the problem are below. Using VirtualBox, I can reproduce it with two processors but not one. I first saw this on a 3.8 kernel and most recently reproduced it with 3.14+= . Thanks, Bob virtual box setup ----------------- 1 GB ram 8 GB disk 2 processors Operating System: Linux Version: Debian (64 bit) Bridged networking iso: debian-7.4.0-amd64-netinst.iso Software selection select SSH server select Standard system utilities deselect everything else dhcp ip address: 172.17.5.129 upgrade linux to 3.14.0+ ------------------------ ssh 172.17.5.129 su cd /mnt/ksrc/linux make modules_install make install reboot install tools ------------- ssh 172.17.5.129 su apt-get install xfsprogs apt-get install open-iscsi apt-get install --no-install-recommends targetcli python-urwid reboot reproduce bug ------------- ssh 172.17.5.129 su targetcli cd backstores fileio/ create name=3Dfile_backend file_or_dev=3Dmy_disk size=3D100M /iscsi create portals/ create 172.17.5.129 cd < luns/ create /backstores/fileio/file_backend cd < set attribute authentication=3D0 demo_mode_write_protect=3D0 generate_node_acls=3D1 cache_dynamic_acls=3D1 exit iscsiadm -m discovery -t sendtargets -p 172.17.5.129 iscsiadm -m node --login --target iqn.from_previous_iscsiadm_cmd_output fdisk -l mkfs -t xfs -f /dev/sdXX mkdir /mnt/vola mount -t xfs /dev/sdXX /mnt/vola iscsiadm -m node -U all umount /mnt/vola --001a11c20232530cc004f63b809f Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
Greetings,

I am new to xfs a= nd am running into a problem
and would appreciate any guidance on= how to proceed.

After an i/o error from the block= device that xfs is using,
an umount results in a message like:
[ =C2=A0370.636473] XFS= (sdx): Log I/O Error Detected. =C2=A0Shutting down filesystem
[ = =C2=A0370.644073] XFS (h =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =EF=BF=BD=EF=BF= =BD=EF=BF=BDh"h =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0=EF=BF=BD=EF=BF=BD= =EF=BF=BDH#h =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0=EF=BF=BD=EF=BF=BD=EF=BF=BDb= sg): Please umount the filesystem and rectify the problem(s)
Note the garbage on the previous line which suggests memory corruption= .
About half the time I get the garbled log message. About half t= he time umount hangs.

And then I get this kind of = error and the system is unresponsive:
Message from syslogd@debian at Apr =C2=A04 09:27:40 ...
=C2= =A0kernel:[ =C2=A0680.080022] BUG: soft lockup - CPU#2 stuck for 22s! [umou= nt:2849]

The problem appears to be similar to this= issue:

I can reproduce the problem easily using open-iscsi to create
the block device with an iscsi initiator.
I use lio to create an = iscsi target.

The problem is triggered by doing an= iscsi logout which causes
the block device to return i/o errors = to xfs.
Steps to reproduce the problem are below.

Usi= ng VirtualBox, I can reproduce it with two processors but not one.
I first saw this on a 3.8 kernel and most recently reproduced it with 3.1= 4+.

Thanks,
Bob

vir= tual box setup
-----------------
1 GB ram
8 G= B disk
2 processors
Operating System: Linux
Version: Debian (64 bit)
Bridged networking
iso: debian= -7.4.0-amd64-netinst.iso
Software selection
=C2=A0 =C2= =A0 select SSH server
=C2=A0 =C2=A0 select Standard system utilit= ies
=C2=A0 =C2=A0 deselect everything else
=C2=A0 =C2=A0=C2=A0
dhcp ip address: 172.17.5.129
=
upgrade linux to 3.14.0+
------------------------<= /div>
ssh 172.17.5.129
su
cd /mnt/ksrc/linux
<= div>make modules_install
make install
reboot

install tools
-------------
ssh 172.17.5.129
su
ap= t-get install xfsprogs
apt-get install open-iscsi
apt-g= et install --no-install-recommends targetcli python-urwid
reboot

reproduce bug
-------------<= /div>
ssh 172.17.5.129
su
targetcli
=C2= =A0 =C2=A0 cd backstores
=C2=A0 =C2=A0 fileio/ create name=3Dfile= _backend file_or_dev=3Dmy_disk size=3D100M
=C2=A0 =C2=A0 /iscsi create
=C2=A0 =C2=A0 portals/ create 17= 2.17.5.129
=C2=A0 =C2=A0 cd <
=C2=A0 =C2=A0 luns/ cr= eate /backstores/fileio/file_backend
=C2=A0 =C2=A0 cd <
<= div>=C2=A0 =C2=A0 set attribute authentication=3D0 demo_mode_write_protect= =3D0 generate_node_acls=3D1 cache_dynamic_acls=3D1
=C2=A0 =C2=A0 exit

iscsiadm -m discovery -t s= endtargets -p 172.17.5.129
iscsiadm -m node --login --target iqn.= from_previous_iscsiadm_cmd_output
fdisk -l
mkfs -t xfs = -f /dev/sdXX
mkdir /mnt/vola
mount -t xfs /dev/sdXX /mnt/vola
i= scsiadm -m node -U all
umount /mnt/vola
--001a11c20232530cc004f63b809f-- From stan@hardwarefreak.com Fri Apr 4 13:50:55 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 234637FF0 for ; Fri, 4 Apr 2014 13:50:55 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id B0D00AC003 for ; Fri, 4 Apr 2014 11:50:51 -0700 (PDT) X-ASG-Debug-ID: 1396637450-04bdf0743ac0590001-NocioJ Received: from greer.hardwarefreak.com (mo-65-41-216-221.sta.embarqhsd.net [65.41.216.221]) by cuda.sgi.com with ESMTP id j0gWP50KiAaVlCxb for ; Fri, 04 Apr 2014 11:50:50 -0700 (PDT) X-Barracuda-Envelope-From: stan@hardwarefreak.com X-Barracuda-Apparent-Source-IP: 65.41.216.221 X-Barracuda-User-Whitelist: xfs@oss.sgi.com Received: from [192.168.100.53] (gffx.hardwarefreak.com [192.168.100.53]) by greer.hardwarefreak.com (Postfix) with ESMTP id 18D106C1AF; Fri, 4 Apr 2014 13:50:50 -0500 (CDT) Message-ID: <533EFF07.6050308@hardwarefreak.com> Date: Fri, 04 Apr 2014 13:50:47 -0500 From: Stan Hoeppner Reply-To: stan@hardwarefreak.com User-Agent: Mozilla/5.0 (Windows NT 5.1; rv:24.0) Gecko/20100101 Thunderbird/24.4.0 MIME-Version: 1.0 To: Bob Mastors , xfs@oss.sgi.com Subject: Re: xfs umount with i/o error hang/memory corruption References: X-ASG-Orig-Subj: Re: xfs umount with i/o error hang/memory corruption In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Barracuda-Connect: mo-65-41-216-221.sta.embarqhsd.net[65.41.216.221] X-Barracuda-Start-Time: 1396637450 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On 4/4/2014 1:15 PM, Bob Mastors wrote: > Greetings, > > I am new to xfs and am running into a problem > and would appreciate any guidance on how to proceed. > > After an i/o error from the block device that xfs is using, > an umount results in a message like: > [ 370.636473] XFS (sdx): Log I/O Error Detected. Shutting down filesystem > [ 370.644073] XFS (h ���h"h ���H#h ���bsg): > Please umount the filesystem and rectify the problem(s) > Note the garbage on the previous line which suggests memory corruption. > About half the time I get the garbled log message. About half the time > umount hangs. > > And then I get this kind of error and the system is unresponsive: > Message from syslogd@debian at Apr 4 09:27:40 ... > kernel:[ 680.080022] BUG: soft lockup - CPU#2 stuck for 22s! [umount:2849] > > The problem appears to be similar to this issue: > http://www.spinics.net/lists/linux-xfs/msg00061.html > > I can reproduce the problem easily using open-iscsi to create > the block device with an iscsi initiator. > I use lio to create an iscsi target. > > The problem is triggered by doing an iscsi logout which causes > the block device to return i/o errors to xfs. > Steps to reproduce the problem are below. This is not a problem but the expected behavior. XFS is designed to do this to prevent filesystem corruption. Logging out of a LUN is no different than pulling the power plug on a direct attached disk drive. Surely you would not do that to a running filesystem. > Using VirtualBox, I can reproduce it with two processors but not one. > I first saw this on a 3.8 kernel and most recently reproduced it with 3.14+. ... The only problem I see here is that XFS should be shutting down every time the disk device disappears. Which means in your test cases where it does not, your VM environment isn't passing the IO errors up the stack, and it should be. Which means your VM environment is broken. Cheers, Stan From bob.mastors@solidfire.com Fri Apr 4 14:47:35 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=HTML_MESSAGE autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id BC2D87FF8 for ; Fri, 4 Apr 2014 14:47:35 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id 51700AC012 for ; Fri, 4 Apr 2014 12:47:32 -0700 (PDT) X-ASG-Debug-ID: 1396640849-04bdf05daccb0f60001-NocioJ Received: from mail-vc0-f175.google.com (mail-vc0-f175.google.com [209.85.220.175]) by cuda.sgi.com with ESMTP id esplIrFApjn4o1VQ (version=TLSv1 cipher=RC4-SHA bits=128 verify=NO) for ; Fri, 04 Apr 2014 12:47:30 -0700 (PDT) X-Barracuda-Envelope-From: bob.mastors@solidfire.com X-Barracuda-Apparent-Source-IP: 209.85.220.175 Received: by mail-vc0-f175.google.com with SMTP id lh14so3455567vcb.6 for ; Fri, 04 Apr 2014 12:47:29 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:date :message-id:subject:from:to:cc:content-type; bh=4yzdpAfEwdEZjUpNqoo1Hpc8cOZ5g/8GQrOWIxfFhSM=; b=IFH9IfEhP4xNPE86a0S68Qsx7gU+dpil5DJulY3/K/Ojlf/fGwC8Ca4DpCz/HmwyIn xxv2weVmGnHVxkphA5uAoavNnEp6hcJyQvxRHVgANr6pkHRvzT6QPJdcPydU8++ANrW+ L93J87mQcOUSZ0MqgdFJ1cS89Mka12IVUI7ty3jjIaNTkeDTDPbL12ZBhWqd5yc8IW/n Qa+55BbFe2zbY/agvly7FdrJa7QWvYPuFttbjaDUAeyB6vddz4XMdR2kvRb/iBXAH7de XkHo/ZOTuUskx9/n1D+sfxHJsB/4HDwvXbsCxUPgzPADAvBkWZ4YjUKcKT5e4zB/7EIo No9g== X-Gm-Message-State: ALoCoQksa7ZLtPDWyIUSy/c0sml4xUmz6BJk0ORNk2qxrrLeqmVlMFIyJTYYUBLyj9qXazcq3JEw MIME-Version: 1.0 X-Received: by 10.58.207.74 with SMTP id lu10mr6493697vec.15.1396640848940; Fri, 04 Apr 2014 12:47:28 -0700 (PDT) Received: by 10.52.30.52 with HTTP; Fri, 4 Apr 2014 12:47:28 -0700 (PDT) In-Reply-To: <533EFF07.6050308@hardwarefreak.com> References: <533EFF07.6050308@hardwarefreak.com> Date: Fri, 4 Apr 2014 13:47:28 -0600 Message-ID: Subject: Re: xfs umount with i/o error hang/memory corruption From: Bob Mastors X-ASG-Orig-Subj: Re: xfs umount with i/o error hang/memory corruption To: stan@hardwarefreak.com Cc: xfs@oss.sgi.com Content-Type: multipart/alternative; boundary=047d7b6783ceae22de04f63cc9de X-Barracuda-Connect: mail-vc0-f175.google.com[209.85.220.175] X-Barracuda-Start-Time: 1396640849 X-Barracuda-Encrypted: RC4-SHA X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, HTML_MESSAGE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4571 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 HTML_MESSAGE BODY: HTML included in message --047d7b6783ceae22de04f63cc9de Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable On Fri, Apr 4, 2014 at 12:50 PM, Stan Hoeppner wrot= e: > On 4/4/2014 1:15 PM, Bob Mastors wrote: > > Greetings, > > > > I am new to xfs and am running into a problem > > and would appreciate any guidance on how to proceed. > > > > After an i/o error from the block device that xfs is using, > > an umount results in a message like: > > [ 370.636473] XFS (sdx): Log I/O Error Detected. Shutting down > filesystem > > [ 370.644073] XFS (h =EF=BF=BD=EF=BF=BD=EF=BF=BDh"h = =EF=BF=BD=EF=BF=BD=EF=BF=BDH#h =EF=BF=BD=EF=BF=BD=EF=BF=BDbsg): > > Please umount the filesystem and rectify the problem(s) > > Note the garbage on the previous line which suggests memory corruption. > > About half the time I get the garbled log message. About half the time > > umount hangs. > > > > And then I get this kind of error and the system is unresponsive: > > Message from syslogd@debian at Apr 4 09:27:40 ... > > kernel:[ 680.080022] BUG: soft lockup - CPU#2 stuck for 22s! > [umount:2849] > > > > The problem appears to be similar to this issue: > > http://www.spinics.net/lists/linux-xfs/msg00061.html > > > > I can reproduce the problem easily using open-iscsi to create > > the block device with an iscsi initiator. > > I use lio to create an iscsi target. > > > > The problem is triggered by doing an iscsi logout which causes > > the block device to return i/o errors to xfs. > > Steps to reproduce the problem are below. > > This is not a problem but the expected behavior. XFS is designed to do > this to prevent filesystem corruption. Logging out of a LUN is no > different than pulling the power plug on a direct attached disk drive. > Surely you would not do that to a running filesystem. > Sorry, I don't think I was clear on the nature of the problem and it's wide ranging effects. Using iscsi to access block storage on another server is the goal. A failure on the other server is possible which could result in the iscsi initiator returning i/o errors to xfs. The behavior that I would like from xfs is to put the filesystem in some kind of offline state on an i/o error from the block device. Today xfs usually has this desirable behavior. But there is a corner case were instead xfs hangs the entire server, forcing a hard reboot. On a large file server with many filesystems using iscsi to talk to block storage on multiple block servers, I would like the failure of a single block server to only impact the filesystems that are dependent on the block server, and to not impact the other filesystems. Bob > Using VirtualBox, I can reproduce it with two processors but not one. > > I first saw this on a 3.8 kernel and most recently reproduced it with > 3.14+. > ... > > The only problem I see here is that XFS should be shutting down every > time the disk device disappears. Which means in your test cases where > it does not, your VM environment isn't passing the IO errors up the > stack, and it should be. Which means your VM environment is broken. > > Cheers, > > Stan > > > --047d7b6783ceae22de04f63cc9de Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
On F= ri, Apr 4, 2014 at 12:50 PM, Stan Hoeppner <stan@hardwarefreak.com> wrote:
On 4/4/2014 1:15 PM, Bob Mas= tors wrote:
> Greetings,
>
> I am new to xfs and am running into a problem
> and would appreciate any guidance on how to proceed.
>
> After an i/o error from the block device that xfs is using,
> an umount results in a message like:
> [ =C2=A0370.636473] XFS (sdx): Log I/O Error Detected. =C2=A0Shutting = down filesystem
> [ =C2=A0370.644073] XFS (h =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =EF=BF= =BD=EF=BF=BD=EF=BF=BDh"h =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0=EF=BF=BD= =EF=BF=BD=EF=BF=BDH#h =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0=EF=BF=BD=EF=BF=BD= =EF=BF=BDbsg):
> Please umount the filesystem and rectify the problem(s)
> Note the garbage on the previous line which suggests memory corruption= .
> About half the time I get the garbled log message. About half the time=
> umount hangs.
>
> And then I get this kind of error and the system is unresponsive:
> Message from syslogd@debian at Apr =C2=A04 09:27:40 ...
> =C2=A0kernel:[ =C2=A0680.080022] BUG: soft lockup - CPU#2 stuck for 22= s! [umount:2849]
>
> The problem appears to be similar to this issue:
> http://www.spinics.net/lists/linux-xfs/msg00061.html
>
> I can reproduce the problem easily using open-iscsi to create
> the block device with an iscsi initiator.
> I use lio to create an iscsi target.
>
> The problem is triggered by doing an iscsi logout which causes
> the block device to return i/o errors to xfs.
> Steps to reproduce the problem are below.

This is not a problem but the expected behavior. =C2=A0XFS is designe= d to do
this to prevent filesystem corruption. =C2=A0Logging out of a LUN is no
different than pulling the power plug on a direct attached disk drive.
Surely you would not do that to a running filesystem.
= Sorry, I don't think I was clear on the nature of the problem and it= 9;s wide ranging effects.
Using iscsi to access block storage on = another server is the goal.
A failure on the other server is possible which could result in the is= csi initiator returning i/o errors to xfs.

The beh= avior that I would like from xfs is to put the filesystem in some kind of o= ffline state
on an i/o error from the block device. Today xfs usually has this desi= rable behavior.
But there is a corner case were instead xfs hangs= the entire server, forcing a hard reboot.

On a la= rge file server with many filesystems using iscsi to talk to block storage = on multiple
block servers, I would like the failure of a single block server to on= ly impact the filesystems
that are dependent on the block server,= and to not impact the other filesystems.

Bob

> Using VirtualBox, I can reproduce it with two processors but not one.<= br> > I first saw this on a 3.8 kernel and most recently reproduced it with = 3.14+.
...

The only problem I see here is that XFS should be shutting down every
time the disk device disappears. =C2=A0Which means in your test cases where=
it does not, your VM environment isn't passing the IO errors up the
stack, and it should be. =C2=A0Which means your VM environment is broken.
Cheers,

Stan



--047d7b6783ceae22de04f63cc9de-- From stan@hardwarefreak.com Fri Apr 4 15:24:18 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 430307FF5 for ; Fri, 4 Apr 2014 15:24:18 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id 33BB0304064 for ; Fri, 4 Apr 2014 13:24:15 -0700 (PDT) X-ASG-Debug-ID: 1396643054-04cbb054b8a973d0001-NocioJ Received: from greer.hardwarefreak.com (mo-65-41-216-221.sta.embarqhsd.net [65.41.216.221]) by cuda.sgi.com with ESMTP id 4DC4MBBGOdIswrKh for ; Fri, 04 Apr 2014 13:24:14 -0700 (PDT) X-Barracuda-Envelope-From: stan@hardwarefreak.com X-Barracuda-Apparent-Source-IP: 65.41.216.221 X-Barracuda-User-Whitelist: xfs@oss.sgi.com Received: from [192.168.100.53] (gffx.hardwarefreak.com [192.168.100.53]) by greer.hardwarefreak.com (Postfix) with ESMTP id 338A96C184; Fri, 4 Apr 2014 15:24:14 -0500 (CDT) Message-ID: <533F14EC.6040705@hardwarefreak.com> Date: Fri, 04 Apr 2014 15:24:12 -0500 From: Stan Hoeppner Reply-To: stan@hardwarefreak.com User-Agent: Mozilla/5.0 (Windows NT 5.1; rv:24.0) Gecko/20100101 Thunderbird/24.4.0 MIME-Version: 1.0 To: daiguochao , xfs@oss.sgi.com Subject: Re: 10GB memorys occupied by XFS References: <1396596386220-35015.post@n7.nabble.com> X-ASG-Orig-Subj: Re: 10GB memorys occupied by XFS In-Reply-To: <1396596386220-35015.post@n7.nabble.com> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Barracuda-Connect: mo-65-41-216-221.sta.embarqhsd.net[65.41.216.221] X-Barracuda-Start-Time: 1396643054 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On 4/4/2014 2:26 AM, daiguochao wrote: > Hello folks, Hello, Note that your problems are not XFS specific, but can occur with any Linux filesystem. > I used xfs file system in kernel-2.6.32-220.13.1.el6.x86_64 for store > pictures. About 100 days system memorys is lost and some nginx process is > killed by oom-killer.So,I looked /proc/meminfo and find memorys is > lost.Finally, I try to umount xfs system and 10GB memorys is coming back. l > look xfs bugzilla no such BUG.I have no idea for it. > > Cheers, > > Guochao. > > some memorys info: > > 0> free -m > total used free shared buffers cached > Mem: 11887 11668 219 0 0 2 > -/+ buffers/cache: 11665 222 > Swap: 0 0 0 First problem: no swap Second problem: cache is not being reclaimed Read vfs_cache_pressure at: https://www.kernel.org/doc/Documentation/sysctl/vm.txt You've likely set this value to zero. Changing it to 200 should prompt the kernel to reclaim dentries and inodes aggressively, preventing the oom-killer from kicking in. Cheers, Stan From bfoster@redhat.com Fri Apr 4 15:36:08 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id CDC6E7FFE for ; Fri, 4 Apr 2014 15:36:08 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id B010B8F8066 for ; Fri, 4 Apr 2014 13:36:05 -0700 (PDT) X-ASG-Debug-ID: 1396643764-04cbb054b8a97880001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id x0pOHWEGmc682kTW for ; Fri, 04 Apr 2014 13:36:04 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx09.intmail.prod.int.phx2.redhat.com (int-mx09.intmail.prod.int.phx2.redhat.com [10.5.11.22]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s34KZSYV017629 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 4 Apr 2014 16:35:28 -0400 Received: from laptop.bfoster (vpn-63-111.rdu2.redhat.com [10.10.63.111]) by int-mx09.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s34KZQpt010916; Fri, 4 Apr 2014 16:35:27 -0400 Received: from laptop.bfoster (localhost.localdomain [127.0.0.1]) by laptop.bfoster (Postfix) with ESMTP id 77696120ADC; Fri, 4 Apr 2014 16:35:26 -0400 (EDT) Received: (from bfoster@localhost) by laptop.bfoster (8.14.7/8.14.7/Submit) id s34KZNt0016480; Fri, 4 Apr 2014 16:35:23 -0400 X-Authentication-Warning: laptop.bfoster: bfoster set sender to bfoster@redhat.com using -f Date: Fri, 4 Apr 2014 16:35:22 -0400 From: Brian Foster To: Namjae Jeon Cc: viro@zeniv.linux.org.uk, david@fromorbit.com, hch@infradead.org, tytso@mit.edu, adilger.kernel@dilger.ca, jack@suse.cz, lczerner@redhat.com, Namjae Jeon , linux-kernel@vger.kernel.org, xfs@oss.sgi.com, Ashish Sangwan , linux-fsdevel@vger.kernel.org, linux-ext4@vger.kernel.org Subject: Re: [PATCH 2/3] xfs: Add support FALLOC_FL_INSERT_RANGE for fallocate Message-ID: <20140404203521.GA15122@laptop.bfoster> X-ASG-Orig-Subj: Re: [PATCH 2/3] xfs: Add support FALLOC_FL_INSERT_RANGE for fallocate References: <1396277668-10861-1-git-send-email-linkinjeon@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1396277668-10861-1-git-send-email-linkinjeon@gmail.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-Scanned-By: MIMEDefang 2.68 on 10.5.11.22 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1396643764 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Mon, Mar 31, 2014 at 11:54:28PM +0900, Namjae Jeon wrote: > From: Namjae Jeon > > This patch implements fallocate's FALLOC_FL_INSERT_RANGE for XFS. > > 1) Make sure that both offset and len are block size aligned. > 2) Compute the file's logical block number against offset. If the computed > block number is not the starting block of the extent, split the extent > such that the block number is the starting block of the extent. > 3) Shift all the extents which are lying bewteen [offset, last allocated extent] > towards right by len bytes. This step will make a hole of len bytes > at offset. > 4) Allocate unwritten extents for the hole created in step 3. > 5) Update the i_size of inode by len bytes. > > Signed-off-by: Namjae Jeon > Signed-off-by: Ashish Sangwan > --- > fs/xfs/xfs_bmap.c | 371 ++++++++++++++++++++++++++++++++++++++++++++++++- > fs/xfs/xfs_bmap.h | 9 +- > fs/xfs/xfs_bmap_util.c | 123 +++++++++++++++- > fs/xfs/xfs_bmap_util.h | 2 + > fs/xfs/xfs_file.c | 17 ++- > fs/xfs/xfs_trace.h | 1 + > 6 files changed, 518 insertions(+), 5 deletions(-) > > diff --git a/fs/xfs/xfs_bmap.c b/fs/xfs/xfs_bmap.c > index 5b6092e..66635a5 100644 > --- a/fs/xfs/xfs_bmap.c > +++ b/fs/xfs/xfs_bmap.c > @@ -5389,7 +5389,7 @@ error0: > * into, this will be considered invalid operation and we abort immediately. > */ > int > -xfs_bmap_shift_extents( > +xfs_bmap_shift_extents_left( > struct xfs_trans *tp, > struct xfs_inode *ip, > int *done, > @@ -5418,7 +5418,7 @@ xfs_bmap_shift_extents( > (XFS_IFORK_FORMAT(ip, whichfork) != XFS_DINODE_FMT_EXTENTS && > XFS_IFORK_FORMAT(ip, whichfork) != XFS_DINODE_FMT_BTREE), > mp, XFS_ERRTAG_BMAPIFORMAT, XFS_RANDOM_BMAPIFORMAT))) { > - XFS_ERROR_REPORT("xfs_bmap_shift_extents", > + XFS_ERROR_REPORT("xfs_bmap_shift_extents_left", > XFS_ERRLEVEL_LOW, mp); > return XFS_ERROR(EFSCORRUPTED); > } > @@ -5571,3 +5571,370 @@ del_cursor: > > return error; > } > + > +/* > + * Splits an extent into two extents at split_fsb block that it is > + * the first block of the current_ext. @current_ext is a target extent > + * to be splitted. @split_fsb is a block where the extents is spliited. > + * If split_fsb lies in a hole or the first block of extents, just return 0. > + */ > +STATIC int > +xfs_bmap_split_extent_at( > + struct xfs_trans *tp, > + struct xfs_inode *ip, > + xfs_fileoff_t split_fsb, > + xfs_extnum_t *current_ext, > + xfs_fsblock_t *firstfsb, > + struct xfs_bmap_free *free_list) > +{ > + int whichfork = XFS_DATA_FORK; > + struct xfs_btree_cur *cur; > + struct xfs_bmbt_rec_host *gotp; > + struct xfs_bmbt_irec got; > + struct xfs_bmbt_irec new; /* splitted extent */ > + struct xfs_mount *mp = ip->i_mount; > + struct xfs_ifork *ifp; > + xfs_fsblock_t gotblkcnt; /* new block count for got */ > + int error = 0; > + int logflags; > + int i = 0; > + > + if (unlikely(XFS_TEST_ERROR( > + (XFS_IFORK_FORMAT(ip, whichfork) != XFS_DINODE_FMT_EXTENTS && > + XFS_IFORK_FORMAT(ip, whichfork) != XFS_DINODE_FMT_BTREE), > + mp, XFS_ERRTAG_BMAPIFORMAT, XFS_RANDOM_BMAPIFORMAT))) { > + XFS_ERROR_REPORT("xfs_bmap_split_extent_at", > + XFS_ERRLEVEL_LOW, mp); > + return XFS_ERROR(EFSCORRUPTED); > + } > + > + if (XFS_FORCED_SHUTDOWN(mp)) > + return XFS_ERROR(EIO); > + > + ASSERT(current_ext != NULL); > + > + ifp = XFS_IFORK_PTR(ip, whichfork); > + if (!(ifp->if_flags & XFS_IFEXTENTS)) { > + /* Read in all the extents */ > + error = xfs_iread_extents(tp, ip, whichfork); > + if (error) > + return error; > + } > + > + gotp = xfs_iext_bno_to_ext(ifp, split_fsb, current_ext); > + /* > + * gotp can be null in 2 cases: 1) if there are no extents > + * or 2) split_fsb lies in a hole beyond which there are > + * no extents. Either way, we are done. > + */ > + if (!gotp) > + return 0; > + > + xfs_bmbt_get_all(gotp, &got); > + > + /* > + * Check split_fsb lies in a hole or the start boundary offset > + * of the extent. > + */ > + if (got.br_startoff >= split_fsb) > + return 0; > + > + gotblkcnt = split_fsb - got.br_startoff; > + new.br_startoff = split_fsb; > + new.br_startblock = got.br_startblock + gotblkcnt; > + new.br_blockcount = got.br_blockcount - gotblkcnt; > + new.br_state = got.br_state; > + > + /* We are going to change core inode */ > + logflags = XFS_ILOG_CORE; > + > + if (ifp->if_flags & XFS_IFBROOT) { > + cur = xfs_bmbt_init_cursor(mp, tp, ip, whichfork); > + cur->bc_private.b.firstblock = *firstfsb; > + cur->bc_private.b.flist = free_list; > + cur->bc_private.b.flags = 0; > + } else { > + cur = NULL; > + logflags |= XFS_ILOG_DEXT; > + } > + > + if (cur) { > + error = xfs_bmbt_lookup_eq(cur, got.br_startoff, > + got.br_startblock, > + got.br_blockcount, > + &i); > + if (error) > + goto del_cursor; > + XFS_WANT_CORRUPTED_GOTO(i == 1, del_cursor); > + } > + > + xfs_bmbt_set_blockcount(gotp, gotblkcnt); > + got.br_blockcount = gotblkcnt; > + if (cur) { > + error = xfs_bmbt_update(cur, got.br_startoff, > + got.br_startblock, > + got.br_blockcount, > + got.br_state); > + if (error) > + goto del_cursor; > + } > + > + /* Add new extent */ > + (*current_ext)++; > + xfs_iext_insert(ip, *current_ext, 1, &new, 0); > + XFS_IFORK_NEXT_SET(ip, whichfork, > + XFS_IFORK_NEXTENTS(ip, whichfork) + 1); > + > + if (cur) { > + error = xfs_bmbt_lookup_eq(cur, new.br_startoff, > + new.br_startblock, new.br_blockcount, > + &i); > + if (error) > + goto del_cursor; > + XFS_WANT_CORRUPTED_GOTO(i == 0, del_cursor); > + cur->bc_rec.b.br_state = new.br_state; > + > + error = xfs_btree_insert(cur, &i); > + if (error) > + goto del_cursor; > + XFS_WANT_CORRUPTED_GOTO(i == 1, del_cursor); > + } > + > + /* > + * Convert to a btree if necessary. > + */ > + if (xfs_bmap_needs_btree(ip, whichfork)) { > + int tmp_logflags; /* partial log flag return val */ > + ASSERT(cur == NULL); > + error = xfs_bmap_extents_to_btree(tp, ip, firstfsb, free_list, > + &cur, 0, &tmp_logflags, whichfork); > + logflags |= tmp_logflags; > + } > + > +del_cursor: > + if (cur) > + xfs_btree_del_cursor(cur, > + error ? XFS_BTREE_ERROR : XFS_BTREE_NOERROR); > + xfs_trans_log_inode(tp, ip, logflags); > + return error; > +} > + > +int > +xfs_bmap_split_extent( > + struct xfs_inode *ip, > + xfs_fileoff_t split_fsb, > + xfs_extnum_t *split_ext) > +{ > + struct xfs_mount *mp = ip->i_mount; > + struct xfs_trans *tp; > + struct xfs_bmap_free free_list; > + xfs_fsblock_t firstfsb; > + int committed; > + int error; > + > + tp = xfs_trans_alloc(mp, XFS_TRANS_DIOSTRAT); > + tp->t_flags |= XFS_TRANS_RESERVE; Any reason this (or the other cases) has to be reserve enabled? > + error = xfs_trans_reserve(tp, &M_RES(mp)->tr_write, > + XFS_DIOSTRAT_SPACE_RES(mp, 0), 0); > + > + /* > + * check for running out of space > + */ > + if (error) { > + /* > + * Free the transaction structure. > + */ > + ASSERT(error == ENOSPC || XFS_FORCED_SHUTDOWN(mp)); > + xfs_trans_cancel(tp, 0); > + return error; > + } > + > + xfs_ilock(ip, XFS_ILOCK_EXCL); > + error = xfs_trans_reserve_quota(tp, mp, ip->i_udquot, > + ip->i_gdquot, ip->i_pdquot, > + XFS_DIOSTRAT_SPACE_RES(mp, 0), 0, > + XFS_QMOPT_RES_REGBLKS); > + if (error) > + goto error1; We should probably have an xfs_qm_dqattach() call before we get here. As it is, it looks like the first one is in xfs_alloc_file_space(). > + > + xfs_trans_ijoin(tp, ip, 0); > + xfs_bmap_init(&free_list, &firstfsb); > + > + error = xfs_bmap_split_extent_at(tp, ip, split_fsb, split_ext, > + &firstfsb, &free_list); > + if (error) > + goto error0; > + > + error = xfs_bmap_finish(&tp, &free_list, &committed); > + if (error) > + goto error0; > + > + error = xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES); > + xfs_iunlock(ip, XFS_ILOCK_EXCL); > + > + return error; > +error0: > + xfs_bmap_cancel(&free_list); > +error1: > + xfs_trans_cancel(tp, XFS_TRANS_RELEASE_LOG_RES | XFS_TRANS_ABORT); > + xfs_iunlock(ip, XFS_ILOCK_EXCL); > + return error; > +} > + > +/* > + * Shift extent records to the right to make a hole. > + * The maximum number of extents to be shifted in a single operation > + * is @num_exts, and @current_ext keeps track of the current extent > + * index we have shifted. @offset_shift_fsb is the length by which each > + * extent is shifted. @end_ext is the last extent to be shifted. > + */ > +int > +xfs_bmap_shift_extents_right( > + struct xfs_trans *tp, > + struct xfs_inode *ip, > + int *done, > + xfs_fileoff_t offset_shift_fsb, > + xfs_extnum_t *current_ext, > + xfs_extnum_t end_ext, > + xfs_fsblock_t *firstblock, > + struct xfs_bmap_free *flist, > + int num_exts) > +{ > + struct xfs_mount *mp = ip->i_mount; > + struct xfs_btree_cur *cur; > + struct xfs_bmbt_rec_host *gotp; > + struct xfs_bmbt_irec got; > + struct xfs_bmbt_irec right; > + xfs_ifork_t *ifp; > + xfs_fileoff_t startoff; > + xfs_filblks_t blockcount = 0; > + int error = 0; > + int i; > + int whichfork = XFS_DATA_FORK; > + int logflags; > + > + if (unlikely(XFS_TEST_ERROR( > + (XFS_IFORK_FORMAT(ip, whichfork) != XFS_DINODE_FMT_EXTENTS && > + XFS_IFORK_FORMAT(ip, whichfork) != XFS_DINODE_FMT_BTREE), > + mp, XFS_ERRTAG_BMAPIFORMAT, XFS_RANDOM_BMAPIFORMAT))) { > + XFS_ERROR_REPORT("xfs_bmap_shift_extents_right", > + XFS_ERRLEVEL_LOW, mp); > + return XFS_ERROR(EFSCORRUPTED); > + } > + > + if (XFS_FORCED_SHUTDOWN(mp)) > + return XFS_ERROR(EIO); > + > + ASSERT(current_ext != NULL); > + > + /* We are going to change core inode */ > + logflags = XFS_ILOG_CORE; > + ifp = XFS_IFORK_PTR(ip, whichfork); > + > + if (ifp->if_flags & XFS_IFBROOT) { > + cur = xfs_bmbt_init_cursor(mp, tp, ip, whichfork); > + cur->bc_private.b.firstblock = *firstblock; > + cur->bc_private.b.flist = flist; > + cur->bc_private.b.flags = 0; > + } else { > + cur = NULL; > + logflags |= XFS_ILOG_DEXT; > + } > + > + /* start shifting extents to right */ > + while (num_exts-- > 0) { > + if (*current_ext < end_ext) { > + *done = 1; > + break; > + } > + > + gotp = xfs_iext_get_ext(ifp, *current_ext); > + xfs_bmbt_get_all(gotp, &got); > + startoff = got.br_startoff + offset_shift_fsb; > + > + /* > + * Before shifting extent into hole, make sure that the hole > + * is large enough to accomodate the shift. This checking has > + * to be performed for all except the last extent. > + */ > + if ((XFS_IFORK_NEXTENTS(ip, whichfork) - 1) != *current_ext) { > + xfs_bmbt_get_all(xfs_iext_get_ext(ifp, > + *current_ext + 1), &right); > + if (startoff + got.br_blockcount > right.br_startoff) { > + error = XFS_ERROR(EINVAL); > + if (error) > + goto del_cursor; > + } > + } > + > + /* Check if we can merge 2 adjacent extents */ > + if ((XFS_IFORK_NEXTENTS(ip, whichfork) - 1) != *current_ext && > + right.br_startoff == startoff + got.br_blockcount && > + right.br_startblock == > + got.br_startblock + got.br_blockcount && > + right.br_state == got.br_state && > + right.br_blockcount + got.br_blockcount <= MAXEXTLEN) { > + blockcount = right.br_blockcount + got.br_blockcount; > + > + /* Make cursor point to the extent we will update */ > + if (cur) { > + error = xfs_bmbt_lookup_eq(cur, > + right.br_startoff, > + right.br_startblock, > + right.br_blockcount, > + &i); > + if (error) > + goto del_cursor; > + XFS_WANT_CORRUPTED_GOTO(i == 1, del_cursor); > + } > + > + xfs_iext_remove(ip, *current_ext + 1, 1, 0); > + if (cur) { > + error = xfs_btree_delete(cur, &i); > + if (error) > + goto del_cursor; > + XFS_WANT_CORRUPTED_GOTO(i == 1, del_cursor); > + } > + XFS_IFORK_NEXT_SET(ip, whichfork, > + XFS_IFORK_NEXTENTS(ip, whichfork) - 1); > + > + } > + > + if (cur) { > + error = xfs_bmbt_lookup_eq(cur, got.br_startoff, > + got.br_startblock, > + got.br_blockcount, > + &i); > + if (error) > + goto del_cursor; > + XFS_WANT_CORRUPTED_GOTO(i == 1, del_cursor); > + } > + > + if (got.br_blockcount < blockcount) { > + xfs_bmbt_set_blockcount(gotp, blockcount); > + got.br_blockcount = blockcount; > + } A comment would be nice here for this bit that fixes up the blockcount in the extent merge case. You also probably want to reset blockcount. ;) > + > + > + xfs_bmbt_set_startoff(gotp, startoff); > + got.br_startoff = startoff; > + > + if (cur) { > + error = xfs_bmbt_update(cur, got.br_startoff, > + got.br_startblock, > + got.br_blockcount, > + got.br_state); > + if (error) > + goto del_cursor; > + } > + > + (*current_ext)--; > + } > + > +del_cursor: > + if (cur) > + xfs_btree_del_cursor(cur, > + error ? XFS_BTREE_ERROR : XFS_BTREE_NOERROR); > + xfs_trans_log_inode(tp, ip, logflags); > + return error; > +} > diff --git a/fs/xfs/xfs_bmap.h b/fs/xfs/xfs_bmap.h > index f84bd7a..91ca1a7 100644 > --- a/fs/xfs/xfs_bmap.h > +++ b/fs/xfs/xfs_bmap.h > @@ -179,10 +179,17 @@ int xfs_bunmapi(struct xfs_trans *tp, struct xfs_inode *ip, > int xfs_check_nostate_extents(struct xfs_ifork *ifp, xfs_extnum_t idx, > xfs_extnum_t num); > uint xfs_default_attroffset(struct xfs_inode *ip); > -int xfs_bmap_shift_extents(struct xfs_trans *tp, struct xfs_inode *ip, > +int xfs_bmap_shift_extents_left(struct xfs_trans *tp, struct xfs_inode *ip, > int *done, xfs_fileoff_t start_fsb, > xfs_fileoff_t offset_shift_fsb, xfs_extnum_t *current_ext, > xfs_fsblock_t *firstblock, struct xfs_bmap_free *flist, > int num_exts); > +int xfs_bmap_split_extent(struct xfs_inode *ip, xfs_fileoff_t split_offset, > + xfs_extnum_t *split_ext); > +int xfs_bmap_shift_extents_right(struct xfs_trans *tp, struct xfs_inode *ip, > + int *done, xfs_fsblock_t offset_shift_fsb, > + xfs_extnum_t *current_ext, xfs_extnum_t end_ext, > + xfs_fsblock_t *firstblock, struct xfs_bmap_free *flist, > + int num_exts); > > #endif /* __XFS_BMAP_H__ */ > diff --git a/fs/xfs/xfs_bmap_util.c b/fs/xfs/xfs_bmap_util.c > index 01f6a64..8b10d6d 100644 > --- a/fs/xfs/xfs_bmap_util.c > +++ b/fs/xfs/xfs_bmap_util.c > @@ -1539,7 +1539,7 @@ xfs_collapse_file_space( > * We are using the write transaction in which max 2 bmbt > * updates are allowed > */ > - error = xfs_bmap_shift_extents(tp, ip, &done, start_fsb, > + error = xfs_bmap_shift_extents_left(tp, ip, &done, start_fsb, > shift_fsb, ¤t_ext, > &first_block, &free_list, > XFS_BMAP_MAX_SHIFT_EXTENTS); > @@ -1563,6 +1563,127 @@ out: > } > > /* > + * xfs_insert_file_space() > + * This routine allocate disk space and shift extent for the given file. > + * The first thing we do is to sync dirty data and invalidate page cache > + * over the region on which insert range is working. And split an extent > + * to two extents at given offset by calling xfs_bmap_split_extent. > + * And shift all extent records which are laying between [offset, > + * last allocated extent] to the right to reserve hole range. Lastly > + * allocate an unwritten extent in hole range created by shifting extents. > + * > + * RETURNS: > + * 0 on success > + * errno on error > + * > + */ > +int > +xfs_insert_file_space( > + struct xfs_inode *ip, > + loff_t offset, > + loff_t len) > +{ > + struct xfs_mount *mp = ip->i_mount; > + struct xfs_trans *tp; > + struct xfs_bmap_free free_list; > + xfs_fsblock_t first_block; > + int done = 0; > + int committed; > + int error; > + uint rounding; > + xfs_fileoff_t start_fsb; > + xfs_fileoff_t shift_fsb; > + xfs_extnum_t split_ext; > + xfs_extnum_t current_ext = 0; > + xfs_off_t ioffset; > + > + ASSERT(xfs_isilocked(ip, XFS_IOLOCK_EXCL)); > + trace_xfs_insert_file_space(ip); > + > + /* wait for the completion of any pending DIOs */ > + inode_dio_wait(VFS_I(ip)); > + > + rounding = max_t(uint, 1 << mp->m_sb.sb_blocklog, PAGE_CACHE_SIZE); > + ioffset = offset & ~(rounding - 1); > + error = -filemap_write_and_wait_range(VFS_I(ip)->i_mapping, > + ioffset, -1); > + if (error) > + return error; > + truncate_pagecache_range(VFS_I(ip), ioffset, -1); > + > + start_fsb = XFS_B_TO_FSB(mp, offset); > + shift_fsb = XFS_B_TO_FSB(mp, len); > + > + error = xfs_bmap_split_extent(ip, start_fsb, &split_ext); > + if (error) > + return error; > + > + current_ext = XFS_IFORK_NEXTENTS(ip, XFS_DATA_FORK) - 1; > + while (!error && !done) { > + tp = xfs_trans_alloc(mp, XFS_TRANS_DIOSTRAT); > + tp->t_flags |= XFS_TRANS_RESERVE; > + /* > + * We would need to reserve permanent block for transaction. > + * This will come into picture when after shifting extent into > + * hole we found that adjacent extents can be merged which > + * may lead to freeing of a block during record update. > + */ > + error = xfs_trans_reserve(tp, &M_RES(mp)->tr_write, > + XFS_DIOSTRAT_SPACE_RES(mp, 0), 0); > + if (error) { > + ASSERT(error == ENOSPC || XFS_FORCED_SHUTDOWN(mp)); > + xfs_trans_cancel(tp, 0); > + break; > + } > + > + xfs_ilock(ip, XFS_ILOCK_EXCL); > + error = xfs_trans_reserve_quota(tp, mp, ip->i_udquot, > + ip->i_gdquot, ip->i_pdquot, > + XFS_DIOSTRAT_SPACE_RES(mp, 0), 0, > + XFS_QMOPT_RES_REGBLKS); > + if (error) > + goto error1; > + > + xfs_trans_ijoin(tp, ip, 0); > + > + xfs_bmap_init(&free_list, &first_block); > + > + /* > + * We are using the write transaction in which max 2 bmbt > + * updates are allowed > + */ > + error = xfs_bmap_shift_extents_right(tp, ip, &done, shift_fsb, > + ¤t_ext, split_ext, > + &first_block, &free_list, > + XFS_BMAP_MAX_SHIFT_EXTENTS); > + if (error) > + goto error0; > + > + error = xfs_bmap_finish(&tp, &free_list, &committed); > + if (error) > + goto error0; > + > + error = xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES); > + xfs_iunlock(ip, XFS_ILOCK_EXCL); > + if (error) > + goto out; > + } > + > + /* make unwritten extent in a hole range. */ > + error = xfs_alloc_file_space(ip, offset, len, XFS_BMAPI_PREALLOC); There is potential for this to fail with ENOSPC or due to quota after we've already inserted the address range in the file and moved the extent over. Are we Ok with that behavior? Even if so, what is the caller left with? Even though I think it would be nicer if we were to fail in that scenario sooner, I could understand if we completed the extent shift and just left a hole in the inserted region. As it is, it looks like the caller will skip updating the file size and thus some file data might fall after EOF, which is probably not what we want. I don't know if it's worth worrying about the same thing if we happen to fail earlier in the middle of shifting extents over..? Brian > + > +out: > + return error; > + > +error0: > + xfs_bmap_cancel(&free_list); > +error1: > + xfs_trans_cancel(tp, XFS_TRANS_RELEASE_LOG_RES | XFS_TRANS_ABORT); > + xfs_iunlock(ip, XFS_ILOCK_EXCL); > + return error; > +} > + > +/* > * We need to check that the format of the data fork in the temporary inode is > * valid for the target inode before doing the swap. This is not a problem with > * attr1 because of the fixed fork offset, but attr2 has a dynamically sized > diff --git a/fs/xfs/xfs_bmap_util.h b/fs/xfs/xfs_bmap_util.h > index 935ed2b..d62ab4b 100644 > --- a/fs/xfs/xfs_bmap_util.h > +++ b/fs/xfs/xfs_bmap_util.h > @@ -101,6 +101,8 @@ int xfs_zero_file_space(struct xfs_inode *ip, xfs_off_t offset, > xfs_off_t len); > int xfs_collapse_file_space(struct xfs_inode *, xfs_off_t offset, > xfs_off_t len); > +int xfs_insert_file_space(struct xfs_inode *, xfs_off_t offset, > + xfs_off_t len); > > /* EOF block manipulation functions */ > bool xfs_can_free_eofblocks(struct xfs_inode *ip, bool force); > diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c > index 003c005..6603b36 100644 > --- a/fs/xfs/xfs_file.c > +++ b/fs/xfs/xfs_file.c > @@ -824,7 +824,8 @@ xfs_file_fallocate( > if (!S_ISREG(inode->i_mode)) > return -EINVAL; > if (mode & ~(FALLOC_FL_KEEP_SIZE | FALLOC_FL_PUNCH_HOLE | > - FALLOC_FL_COLLAPSE_RANGE | FALLOC_FL_ZERO_RANGE)) > + FALLOC_FL_COLLAPSE_RANGE | FALLOC_FL_ZERO_RANGE | > + FALLOC_FL_INSERT_RANGE)) > return -EOPNOTSUPP; > > xfs_ilock(ip, XFS_IOLOCK_EXCL); > @@ -846,6 +847,20 @@ xfs_file_fallocate( > error = xfs_collapse_file_space(ip, offset, len); > if (error) > goto out_unlock; > + } else if (mode & FALLOC_FL_INSERT_RANGE) { > + unsigned blksize_mask = (1 << inode->i_blkbits) - 1; > + > + if (offset & blksize_mask || len & blksize_mask) { > + error = -EINVAL; > + goto out_unlock; > + } > + > + ASSERT(offset < i_size_read(inode)); > + new_size = i_size_read(inode) + len; > + > + error = xfs_insert_file_space(ip, offset, len); > + if (error) > + goto out_unlock; > } else { > if (!(mode & FALLOC_FL_KEEP_SIZE) && > offset + len > i_size_read(inode)) { > diff --git a/fs/xfs/xfs_trace.h b/fs/xfs/xfs_trace.h > index a4ae41c..c870288 100644 > --- a/fs/xfs/xfs_trace.h > +++ b/fs/xfs/xfs_trace.h > @@ -604,6 +604,7 @@ DEFINE_INODE_EVENT(xfs_inactive_symlink); > DEFINE_INODE_EVENT(xfs_alloc_file_space); > DEFINE_INODE_EVENT(xfs_free_file_space); > DEFINE_INODE_EVENT(xfs_collapse_file_space); > +DEFINE_INODE_EVENT(xfs_insert_file_space); > DEFINE_INODE_EVENT(xfs_readdir); > #ifdef CONFIG_XFS_POSIX_ACL > DEFINE_INODE_EVENT(xfs_get_acl); > -- > 1.7.11-rc0 > > _______________________________________________ > xfs mailing list > xfs@oss.sgi.com > http://oss.sgi.com/mailman/listinfo/xfs From david@fromorbit.com Fri Apr 4 16:12:45 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 17FF77FB8 for ; Fri, 4 Apr 2014 16:12:45 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id 0863C304062 for ; Fri, 4 Apr 2014 14:12:41 -0700 (PDT) X-ASG-Debug-ID: 1396645959-04cbb054b9a986f0001-NocioJ Received: from ipmail07.adl2.internode.on.net (ipmail07.adl2.internode.on.net [150.101.137.131]) by cuda.sgi.com with ESMTP id 8iBCHPl8ZFhZtzMO for ; Fri, 04 Apr 2014 14:12:40 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.131 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: Ak0HAKkfP1N5LEcv/2dsb2JhbABZgwY7gw+oIAiZLoEjF3SCJQEBAQQ6HCMQCAMYCSUPBSUDIROHeNBCFo5bB4Q4BJhakkCDRCk Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail07.adl2.internode.on.net with ESMTP; 05 Apr 2014 07:42:38 +1030 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WWBPV-00063S-4O; Sat, 05 Apr 2014 08:12:25 +1100 Date: Sat, 5 Apr 2014 08:12:25 +1100 From: Dave Chinner To: Filipe David Manana Cc: "xfs@oss.sgi.com" , "linux-btrfs@vger.kernel.org" , linux-ext4@vger.kernel.org, lczerner@redhat.com Subject: Re: [ANNOUNCE] xfstests: updated to cf1ed54 Message-ID: <20140404211224.GX17603@dastard> X-ASG-Orig-Subj: Re: [ANNOUNCE] xfstests: updated to cf1ed54 References: <20140404090357.GW17603@dastard> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail07.adl2.internode.on.net[150.101.137.131] X-Barracuda-Start-Time: 1396645959 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.20 X-Barracuda-Spam-Status: No, SCORE=0.20 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=PR0N_SUBJECT X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4573 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.20 PR0N_SUBJECT Subject has letters around special characters (pr0n) On Fri, Apr 04, 2014 at 02:07:16PM +0100, Filipe David Manana wrote: > On Fri, Apr 4, 2014 at 10:03 AM, Dave Chinner wrote: > > Hi folks, > > > > The xfstests repository at git://oss.sgi.com/xfs/cmds/xfstests has > > just been updated. Patches often get missed, so please check if your > > outstanding patches were in this update. If they have not been in > > this update, please resubmit them to xfs@oss.sgi.com so they can be > > picked up in the next update. > > > > The new head of the master branch is commit: > > > > cf1ed54 check: fix RESULT_BASE typo in check script > > > > The major new functionality worth mentioning in this update is the > > new config file format from Lukas. The existing format config files > > should continue to work without change, but the new format is much > > richer and allows specification of multiple different configurations > > to run test under. Hence testing multiple mount an dmkfs > > configurations becomes as simple as iterating the configurations > > in the config file. > > Hi, > > I might be missing something, but after checking out these changes, I > am no longer able to run btrfs tests. Example: > > $ ./check btrfs/041 > common/config: Error: $SCRATCH_DEV should be unset when $SCRATCH_DEV_POOL is set > Passed all 0 tests > > $ cat local.config > export TEST_DEV=/dev/sdb > export TEST_DIR=/home/fdmanana/btrfs-tests/dev > export SCRATCH_MNT="/home/fdmanana/btrfs-tests/scratch_1" > export SCRATCH_DEV_POOL="/dev/sdc /dev/sdd" OK, that'll be a bug in the new config file parsing code. Lukas, can you have a look at this? Cheers, Dave. -- Dave Chinner david@fromorbit.com From david@fromorbit.com Fri Apr 4 16:20:35 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id A1E517F78 for ; Fri, 4 Apr 2014 16:20:35 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 1CAC8AC003 for ; Fri, 4 Apr 2014 14:20:31 -0700 (PDT) X-ASG-Debug-ID: 1396646429-04cbb054b6a98b10001-NocioJ Received: from ipmail07.adl2.internode.on.net (ipmail07.adl2.internode.on.net [150.101.137.131]) by cuda.sgi.com with ESMTP id rhSLx9pIsC6MVEs4 for ; Fri, 04 Apr 2014 14:20:29 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.131 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AlIHAOAgP1N5LEcv/2dsb2JhbABZgwY7gw9Sp04IkXeHN4EjF3SCJQEBAQMBAQIgDwEjIwULCAECGAICBSECAg8FFBEDIROHcQcOkTecGKJiFoETjGYRAVAHgm+BSQSWBIJWkkCDRCmBNQ Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail07.adl2.internode.on.net with ESMTP; 05 Apr 2014 07:50:28 +1030 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WWBX6-00064j-4f; Sat, 05 Apr 2014 08:20:16 +1100 Date: Sat, 5 Apr 2014 08:20:16 +1100 From: Dave Chinner To: Bob Mastors Cc: xfs@oss.sgi.com Subject: Re: xfs umount with i/o error hang/memory corruption Message-ID: <20140404212016.GY17603@dastard> X-ASG-Orig-Subj: Re: xfs umount with i/o error hang/memory corruption References: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail07.adl2.internode.on.net[150.101.137.131] X-Barracuda-Start-Time: 1396646429 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4574 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Fri, Apr 04, 2014 at 12:15:23PM -0600, Bob Mastors wrote: > Greetings, > > I am new to xfs and am running into a problem > and would appreciate any guidance on how to proceed. > > After an i/o error from the block device that xfs is using, > an umount results in a message like: > [ 370.636473] XFS (sdx): Log I/O Error Detected. Shutting down filesystem > [ 370.644073] XFS (h ���h"h ���H#h ���bsg): > Please umount the filesystem and rectify the problem(s) > Note the garbage on the previous line which suggests memory corruption. > About half the time I get the garbled log message. About half the time > umount hangs. I got an email about this last night with a different trigger - thin provisioning failing log IO in the unmount path. I know what the problem is, I just don't have a fix for it yet. To confirm it's the same problem, can you post the entirity of the dmesg where the error occurs? In essence, the log IO failure is triggering a shutdown, and as part of the shutdown process it wakes anyone waiting on a log force. The log quiesce code that waits for log completion during unmount uses a log force to ensure the log is idle before tearing down all the log structures and finishing the unmount. Unfortunatey, the log force the unmount blocks on is woken prematurely by the shutdown, and hence it runs before the log IO processing is completed. Hence the use after free. > And then I get this kind of error and the system is unresponsive: > Message from syslogd@debian at Apr 4 09:27:40 ... > kernel:[ 680.080022] BUG: soft lockup - CPU#2 stuck for 22s! [umount:2849] > > The problem appears to be similar to this issue: > http://www.spinics.net/lists/linux-xfs/msg00061.html Similar symptoms, but not the same bug. > The problem is triggered by doing an iscsi logout which causes > the block device to return i/o errors to xfs. > Steps to reproduce the problem are below. Seems similar to the thinp ENOSPC issue I mentioned above - data IO errors occur, then you do an unmount, which causes a log IO error writing the superblock, and then this happens.... Cheers, Dave. -- Dave Chinner david@fromorbit.com From david@fromorbit.com Fri Apr 4 16:26:59 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id C24D48007 for ; Fri, 4 Apr 2014 16:26:59 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id 88D868F8035 for ; Fri, 4 Apr 2014 14:26:56 -0700 (PDT) X-ASG-Debug-ID: 1396646813-04bdf05dabcb46b0001-NocioJ Received: from ipmail07.adl2.internode.on.net (ipmail07.adl2.internode.on.net [150.101.137.131]) by cuda.sgi.com with ESMTP id uizSvD7GGsgf8mA1 for ; Fri, 04 Apr 2014 14:26:54 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.131 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AnAGAC4jP1N5LEcv/2dsb2JhbABZgwaDSsFWgSMXdIIlAQEBBCcTHCMQCAMOBwMJDBkPBSUDIROHeNApFxaOWwcKhC4EmFqSQINEKQ Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail07.adl2.internode.on.net with ESMTP; 05 Apr 2014 07:56:52 +1030 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WWBdI-00065V-At; Sat, 05 Apr 2014 08:26:40 +1100 Date: Sat, 5 Apr 2014 08:26:40 +1100 From: Dave Chinner To: Brian Foster Cc: Al@disappointment.disaster, Viro@disappointment.disaster, viro@ZenIV.linux.org.uk, xfs@oss.sgi.com Subject: Re: [PATCH 2/6] xfs: write failure beyond EOF truncates too much data Message-ID: <20140404212640.GZ17603@dastard> X-ASG-Orig-Subj: Re: [PATCH 2/6] xfs: write failure beyond EOF truncates too much data References: <1395396710-3824-1-git-send-email-david@fromorbit.com> <1395396710-3824-3-git-send-email-david@fromorbit.com> <20140329151419.GA33827@bfoster.bfoster> <20140404152636.GA40629@bfoster.bfoster> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140404152636.GA40629@bfoster.bfoster> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail07.adl2.internode.on.net[150.101.137.131] X-Barracuda-Start-Time: 1396646813 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4574 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Fri, Apr 04, 2014 at 11:26:36AM -0400, Brian Foster wrote: > On Sat, Mar 29, 2014 at 11:14:19AM -0400, Brian Foster wrote: > > On Fri, Mar 21, 2014 at 09:11:46PM +1100, Dave Chinner wrote: > > > From: Dave Chinner > > > > > > If we fail a write beyond EOF and have to handle it in > > > xfs_vm_write_begin(), we truncate the inode back to the current inode > > > size. This doesn't take into account the fact that we may have > > > already made successful writes to the same page (in the case of block > > > size < page size) and hence we can truncate the page cache away from > > > blocks with valid data in them. If these blocks are delayed > > > allocation blocks, we now have a mismatch between the page cache and > > > the extent tree, and this will trigger - at minimum - a delayed > > > block count mismatch assert when the inode is evicted from the cache. > > > We can also trip over it when block mapping for direct IO - this is > > > the most common symptom seen from fsx and fsstress when run from > > > xfstests. > > > > > > Fix it by only truncating away the exact range we are updating state > > > for in this write_begin call. > > > > > > Signed-off-by: Dave Chinner > > > --- > > > fs/xfs/xfs_aops.c | 10 ++++++++-- > > > 1 file changed, 8 insertions(+), 2 deletions(-) > > > > > > diff --git a/fs/xfs/xfs_aops.c b/fs/xfs/xfs_aops.c > > > index e810243..6b4ecc8 100644 > > > --- a/fs/xfs/xfs_aops.c > > > +++ b/fs/xfs/xfs_aops.c > > > @@ -1609,12 +1609,18 @@ xfs_vm_write_begin( > > > status = __block_write_begin(page, pos, len, xfs_get_blocks); > > > if (unlikely(status)) { > > > struct inode *inode = mapping->host; > > > + size_t isize = i_size_read(inode); > > > > > > xfs_vm_write_failed(inode, page, pos, len); > > > unlock_page(page); > > > > > > - if (pos + len > i_size_read(inode)) > > > - truncate_pagecache(inode, i_size_read(inode)); > > > > From what I can see, we have a write_begin/copy/write_end sequence per > > page and the inode size is updated down in the write_end path. If the > > write fails at write_begin time, then we haven't copied any data and the > > inode size hasn't changed. > > > > The intent of the original code looks like it wants to break off any > > blocks that might have been set up beyond EOF before the write happened > > to fail. Could you elaborate on how this can kill blocks that might have > > been written successfully? Doesn't this only affect post-EOF metadata? > > > > > + /* > > > + * If the write is beyond EOF, we only want to kill blocks > > > + * allocated in this write, not blocks that were previously > > > + * written successfully. > > > + */ > > > + if (pos + len > isize) > > > + truncate_pagecache_range(inode, pos, pos + len); > > > > So the cache truncate now covers the range of the write. What happens if > > the part of the write is an overwrite? This seems similar to the problem > > you've described above... should the truncate start at isize instead? > > > > I ran an experiment on this to confirm my suspicion here. I added a > quick little hack to fail any write_begin (set status=-1) for which pos > != 0. With that in place: > > xfs_io -fc "pwrite -b 2k 0 2k" /mnt/file > > # hexdump /mnt/file > 0000000 cdcd cdcd cdcd cdcd cdcd cdcd cdcd cdcd > * > 0000800 > > xfs_io -c "pwrite -b 2k 1k 2k" /mnt/file > (fails) > > # hexdump /mnt/file > 0000000 cdcd cdcd cdcd cdcd cdcd cdcd cdcd cdcd > * > 0000400 0000 0000 0000 0000 0000 0000 0000 0000 > * > 0000800 > > The failed extending write trashes the data over the previously valid > region. Good catch, Brian! That is indeed a problem with the fix I made. Not intentional, as the comment probably lead you to beleive. I did say I wasn't entirely sure all the fixes were correct, and I greatly appreciate your diligence here. The fix should probably be: /* * If the write is beyond EOF, we only want to kill blocks * allocated in this write, not blocks that were previously * written successfully. */ if (pos + len > isize) { ssize_t start = max_t(ssize_t, pos, isize); truncate_pagecache_range(inode, start, pos + len); } So if the write overlaps EOF we don't truncate away data from before EOF. It also has the effect of not truncating data in previous writes between isize and pos, which was the bug I was trying to fix... Cheers, Dave. -- Dave Chinner david@fromorbit.com From david@fromorbit.com Fri Apr 4 16:32:25 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 7A99F8014 for ; Fri, 4 Apr 2014 16:32:25 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id 52C55304066 for ; Fri, 4 Apr 2014 14:32:25 -0700 (PDT) X-ASG-Debug-ID: 1396647142-04cbb054b6a99020001-NocioJ Received: from ipmail07.adl2.internode.on.net (ipmail07.adl2.internode.on.net [150.101.137.131]) by cuda.sgi.com with ESMTP id E8asEmFqnYPgnxov for ; Fri, 04 Apr 2014 14:32:22 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.131 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AnAGAHIkP1N5LEcv/2dsb2JhbABZgwaDSsFWgSMXdIIlAQEBAwEnExwjBQsIAw4HAwkMGQ8FJQMhE4dxB9AnFxaODk0HCoMagRQEjH6LXIdPinGDRCmBLQ Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail07.adl2.internode.on.net with ESMTP; 05 Apr 2014 08:02:05 +1030 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WWBiK-00066H-Mz; Sat, 05 Apr 2014 08:31:52 +1100 Date: Sat, 5 Apr 2014 08:31:52 +1100 From: Dave Chinner To: Brian Foster Cc: xfs@oss.sgi.com, Viro@disappointment.disaster, viro@ZenIV.linux.org.uk, Al@disappointment.disaster Subject: Re: [PATCH 5/6] xfs: splitting delalloc extents can run out of reservation Message-ID: <20140404213152.GA17603@dastard> X-ASG-Orig-Subj: Re: [PATCH 5/6] xfs: splitting delalloc extents can run out of reservation References: <1395396710-3824-1-git-send-email-david@fromorbit.com> <1395396710-3824-6-git-send-email-david@fromorbit.com> <20140404133700.GA12961@laptop.bfoster> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140404133700.GA12961@laptop.bfoster> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail07.adl2.internode.on.net[150.101.137.131] X-Barracuda-Start-Time: 1396647142 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4574 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Fri, Apr 04, 2014 at 09:37:01AM -0400, Brian Foster wrote: > On Fri, Mar 21, 2014 at 09:11:49PM +1100, Dave Chinner wrote: > > From: Dave Chinner > > > > When we punch a hole in a delalloc extent, we split the indirect > > block reservation between the two new extents. If we repeatedly > > punch holes in a large delalloc extent, that reservation will > > eventually run out and we'll assert fail in xfs_bunmapi() because > > the indirect block reservation for the delalloc extent is zero. This > > is caused by doing a large delalloc write, then zeroing multiple > > ranges of that write using fallocate to punch lots of holes in the > > delayed allocation range. > > > > To avoid this problem, if we split the reservation and require more > > indirect blocks for the two new extents than we had for the old > > reservation, steal the additional blocks from the hole we punched in > > the extent. In most cases we only need a single extra block, so even > > if we punch only single block holes we can still retain sufficient > > indirect block reservations to avoid problems. > > > > In doing this "stealing", we need to change where we account for the > > delalloc blocks being freed. The block count held on the inode does > > not take into account the indirect block reservation, so we still > > need to do that before we free the extent. However, the accounting > > ofr free space in the superblock need to be done after we've stolen > > the blocks fro the freed extent so that they are accounted for > > correctly. > > > > Signed-off-by: Dave Chinner > > --- > > fs/xfs/xfs_bmap.c | 65 ++++++++++++++++++++++++++++++++++++++++--------------- > > 1 file changed, 47 insertions(+), 18 deletions(-) > > > > diff --git a/fs/xfs/xfs_bmap.c b/fs/xfs/xfs_bmap.c > > index 5b6092e..4bf6a0e 100644 > > --- a/fs/xfs/xfs_bmap.c > > +++ b/fs/xfs/xfs_bmap.c > > @@ -4945,7 +4945,27 @@ xfs_bmap_del_extent( > > temp2 = xfs_bmap_worst_indlen(ip, temp2); > > new.br_startblock = nullstartblock((int)temp2); > > da_new = temp + temp2; > > + > > + /* > > + * Note: if we have an odd number of blocks reserved, > > + * then if we keep splitting the delalloc extent like > > + * this we end up with a delalloc indlen reservation of > > + * zero for one of the two extents. Hence if we end > > + * up with the new indlen reservations being larger than > > + * the old one, steal blocks from the data reservation > > + * we just punched out. Otherwise, just reduce the > > + * remaining indlen reservations alternately and hope > > + * next time we come here the range getting removed is > > + * large enough to fix this all up. > > + */ > > while (da_new > da_old) { > > + if (del->br_blockcount) { > > + /* steal a block */ > > + da_new--; > > + del->br_blockcount--; > > + continue; > > + } > > + > > if (temp) { > > temp--; > > da_new--; > > @@ -5255,24 +5275,6 @@ xfs_bunmapi( > > } > > if (wasdel) { > > ASSERT(startblockval(del.br_startblock) > 0); > > - /* Update realtime/data freespace, unreserve quota */ > > - if (isrt) { > > - xfs_filblks_t rtexts; > > - > > - rtexts = XFS_FSB_TO_B(mp, del.br_blockcount); > > - do_div(rtexts, mp->m_sb.sb_rextsize); > > - xfs_mod_incore_sb(mp, XFS_SBS_FREXTENTS, > > - (int64_t)rtexts, 0); > > - (void)xfs_trans_reserve_quota_nblks(NULL, > > - ip, -((long)del.br_blockcount), 0, > > - XFS_QMOPT_RES_RTBLKS); > > - } else { > > - xfs_icsb_modify_counters(mp, XFS_SBS_FDBLOCKS, > > - (int64_t)del.br_blockcount, 0); > > - (void)xfs_trans_reserve_quota_nblks(NULL, > > - ip, -((long)del.br_blockcount), 0, > > - XFS_QMOPT_RES_REGBLKS); > > - } > > ip->i_delayed_blks -= del.br_blockcount; > > if (cur) > > cur->bc_private.b.flags |= > > @@ -5302,6 +5304,33 @@ xfs_bunmapi( > > } > > error = xfs_bmap_del_extent(ip, tp, &lastx, flist, cur, &del, > > &tmp_logflags, whichfork); > > + /* > > + * xfs_bmap_del_extent may hand delayed alloc blocks back to the > > + * indirect block reservations to keep extent split reservations > > + * sane. Hence we should only decrement the delayed block count > > + * on the inode once we know exactly the amount of delalloc > > + * space we actually removed from the inode. > > + */ > > + if (wasdel && del.br_blockcount) { > > + /* Update realtime/data freespace, unreserve quota */ > > + if (isrt) { > > + xfs_filblks_t rtexts; > > + > > + rtexts = XFS_FSB_TO_B(mp, del.br_blockcount); > > + do_div(rtexts, mp->m_sb.sb_rextsize); > > + xfs_mod_incore_sb(mp, XFS_SBS_FREXTENTS, > > + (int64_t)rtexts, 0); > > + (void)xfs_trans_reserve_quota_nblks(NULL, > > + ip, -((long)del.br_blockcount), 0, > > + XFS_QMOPT_RES_RTBLKS); > > + } else { > > + xfs_icsb_modify_counters(mp, XFS_SBS_FDBLOCKS, > > + (int64_t)del.br_blockcount, 0); > > + (void)xfs_trans_reserve_quota_nblks(NULL, > > + ip, -((long)del.br_blockcount), 0, > > + XFS_QMOPT_RES_REGBLKS); > > + } > > + } > > In xfs_bmapi_reserve_delalloc(), we account alen against the quota, > calculate indlen, account both against the sb counters, add alen to > i_delayed_blks and continue on... *nod* > In xfs_bunmap(), we remove br_blockcount from the sb counters and > unreserve from the quota then call into xfs_bmap_del_extent(). The > latter takes care of removing the indlen blocks from the sb counters if > necessary. *nod* > With these changes, we move the accounting after the del_extent() call > and allow the latter to steal from br_blockcount for indlen. This seems > like it works for the sb counters. *nod* > We also adjust i_delayed_blks against > the original extent length before it can be modified. The quota > reservation looks like it could become inconsistent, however. E.g., some > blocks previously accounted against the quota (alen) are now moved over > to indlen. Yes, you are right - it will cause inconsistency. That's a lesser evil than not having a reservation at all, but I can probably fix that up. > If those indlen blocks happen to be cleaned up through > del_extent(), they'd only be replenished to the sb counters (near the > end of del_extent()). Perhaps we should leave the quota unreserve prior > to the del_extent() call or sample the original br_blockcount and use it > post del_extent()..? That's a possibility. I really only looked at fixing the reservation issue and keeping the sb counters correct, not the quota aspect of it. I'll go back and see what I can come up with that solves this problem, too. Thanks! Cheers, Dave. -- Dave Chinner david@fromorbit.com From bob.mastors@solidfire.com Fri Apr 4 16:40:43 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=HTML_MESSAGE autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id C59DA7FFF for ; Fri, 4 Apr 2014 16:40:42 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 38398AC00F for ; Fri, 4 Apr 2014 14:40:42 -0700 (PDT) X-ASG-Debug-ID: 1396647639-04cb6c5675c88f60001-NocioJ Received: from mail-vc0-f175.google.com (mail-vc0-f175.google.com [209.85.220.175]) by cuda.sgi.com with ESMTP id DsLUsckxNxiDFUhf (version=TLSv1 cipher=RC4-SHA bits=128 verify=NO) for ; Fri, 04 Apr 2014 14:40:39 -0700 (PDT) X-Barracuda-Envelope-From: bob.mastors@solidfire.com X-Barracuda-Apparent-Source-IP: 209.85.220.175 Received: by mail-vc0-f175.google.com with SMTP id lh14so3549862vcb.6 for ; Fri, 04 Apr 2014 14:40:38 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:date :message-id:subject:from:to:cc:content-type; bh=lfN8LAIm5hBiUNdaAeCxD3FJCMlFQ0YW1cO6rRismJg=; b=cBFguDr2cWjx0vploy5DsvesZK0cX27phiONiU8fFPvaJByPWzRrYpOnbcUU4UjsGo iir7z2LtQ4QuxCHWg9gygNYjPGmhfcpEaN58xg1coaiOlWSq+ztGtk06LEmMQ6ZtU7wC hse6pADVhdbbk/JvDZiQ+8sKSiWmAqOr6EwV8X6PVLwJktKowqswqe6rLo/10vfhErC2 oQcTv0KiqhAL9NxxPzxYIkIJdOyksfGUAGGlO5MENl0phFIfjj7LQdbyL8w29L8cKJFn 2cLsh2tHN5ZhwNNTaPQ52B74uWgT7Jgz5SelGBlT4pf0b+B8qjo0eNYUaU6VYPrSSz9Z pWYQ== X-Gm-Message-State: ALoCoQnKzSU2gq/o5iqm9pxU762jfQNP8BE9cntu2mUVBkouMIuHWqK/YLlehCcf+XROYqs2JAo+ MIME-Version: 1.0 X-Received: by 10.58.211.69 with SMTP id na5mr2068001vec.30.1396647638867; Fri, 04 Apr 2014 14:40:38 -0700 (PDT) Received: by 10.52.30.52 with HTTP; Fri, 4 Apr 2014 14:40:38 -0700 (PDT) In-Reply-To: <20140404212016.GY17603@dastard> References: <20140404212016.GY17603@dastard> Date: Fri, 4 Apr 2014 15:40:38 -0600 Message-ID: Subject: Re: xfs umount with i/o error hang/memory corruption From: Bob Mastors X-ASG-Orig-Subj: Re: xfs umount with i/o error hang/memory corruption To: Dave Chinner Cc: xfs@oss.sgi.com Content-Type: multipart/alternative; boundary=047d7bd6c21a6436c404f63e5edd X-Barracuda-Connect: mail-vc0-f175.google.com[209.85.220.175] X-Barracuda-Start-Time: 1396647639 X-Barracuda-Encrypted: RC4-SHA X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=HTML_MESSAGE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4574 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 HTML_MESSAGE BODY: HTML included in message --047d7bd6c21a6436c404f63e5edd Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable On Fri, Apr 4, 2014 at 3:20 PM, Dave Chinner wrote: > On Fri, Apr 04, 2014 at 12:15:23PM -0600, Bob Mastors wrote: > > Greetings, > > > > I am new to xfs and am running into a problem > > and would appreciate any guidance on how to proceed. > > > > After an i/o error from the block device that xfs is using, > > an umount results in a message like: > > [ 370.636473] XFS (sdx): Log I/O Error Detected. Shutting down > filesystem > > [ 370.644073] XFS (h =EF=BF=BD=EF=BF=BD=EF=BF=BDh"h = =EF=BF=BD=EF=BF=BD=EF=BF=BDH#h =EF=BF=BD=EF=BF=BD=EF=BF=BDbsg): > > Please umount the filesystem and rectify the problem(s) > > Note the garbage on the previous line which suggests memory corruption. > > About half the time I get the garbled log message. About half the time > > umount hangs. > > I got an email about this last night with a different trigger - thin > provisioning failing log IO in the unmount path. I know what the > problem is, I just don't have a fix for it yet. > > To confirm it's the same problem, can you post the entirity of the > dmesg where the error occurs? > Here is the console output from putting a BUG() call in xfs_do_force_shutdown after the "Please umount ..." message. Let me know if want something else. I don't know how much help I can be on this, but I can run more tests or try out fixes. Thanks, Bob [ 111.004665] XFS (sdb): Mounting Filesystem [ 111.099442] XFS (sdb): Ending clean mount [ 129.548644] XFS (sdb): metadata I/O error: block 0x19022 ("xlog_iodone") error 19 numblks 64 [ 129.618739] XFS (sdb): xfs_do_force_shutdown(0x2) called from line 1170 of file fs/xfs/xfs_log.c. Return address =3D 0xffffffffa04c8001 [ 129.699768] XFS (sdb): Log I/O Error Detected. Shutting down filesystem [ 129.699924] XFS (sdb): Unable to update superblock counters. Freespace may not be correct on next mount. [ 129.699927] XFS (sdb): xfs_log_force: error 5 returned. [ 129.716031] XFS (P=E5=B0=82/): Please umount the filesystem and rectify = the problem(s) [ 129.718411] ------------[ cut here ]------------ [ 129.719120] Kernel BUG at ffffffffa04726ac [verbose debug info unavailable] [ 129.720016] invalid opcode: 0000 [#1] SMP [ 129.720016] Modules linked in: xfs(F) libcrc32c ib_srpt tcm_qla2xxx qla2xxx tcm_loop tcm_fc libfc scsi_transport_fc scsi_tgt iscsi_target_mod target_core_pscsi target_core_file target_core_iblock target_core_mod configfs ib_iser rdma_cm iw_cm ib_cm ib_sa ib_mad ib_core ib_addr iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi nfsd nfs_acl nfs lockd fscac\ he sunrpc snd_intel8x0 snd_ac97_codec parport_pc parport ac97_bus snd_pcm psmouse snd_timer serio_raw snd joydev evbug mac_hid pcspkr i2c_piix4 soundcore hid_generic usbhid hid e1000 ahci libahci [ 129.720016] CPU: 1 PID: 234 Comm: kworker/1:1H Tainted: GF 3.14.0+ #1 [ 129.720016] Hardware name: innotek GmbH VirtualBox, BIOS VirtualBox 12/01/2006 [ 129.720016] Workqueue: xfslogd xfs_buf_iodone_work [xfs] [ 129.720016] task: ffff88002f598000 ti: ffff88002fecc000 task.ti: ffff88002fecc000 [ 129.720016] RIP: 0010:[] [] xfs_do_force_shutdown+0x9c/0x170 [xfs] [ 129.720016] RSP: 0018:ffff88002fecdd68 EFLAGS: 00010296 [ 129.720016] RAX: 0000000000000043 RBX: 0000000000000002 RCX: 0000000000000000 [ 129.720016] RDX: ffff88003fd0efb0 RSI: ffff88003fd0d3d8 RDI: ffff88003fd0d3d8 [ 129.720016] RBP: ffff88002fecdd98 R08: 0000000000000000 R09: 0000000000000000 [ 129.720016] R10: 00000000000001cf R11: 00000000000001ce R12: ffff880028865000 [ 129.720016] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000000 [ 129.720016] FS: 0000000000000000(0000) GS:ffff88003fd00000(0000) knlGS:0000000000000000 [ 129.720016] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b [ 129.720016] CR2: 00000000006105e8 CR3: 0000000001c0e000 CR4: 00000000000006e0 [ 129.720016] Stack: [ 129.720016] ffffffffa04c8001 0000000000000000 ffff880030140300 ffff88003026dc00 [ 129.720016] ffff88002fa13980 0000000000000000 ffff88002fecddc8 ffffffffa04c8001 [ 129.720016] ffff88003653cf48 ffff88002fa13a20 ffff88002fa13980 ffffe8ffffd01e00 [ 129.720016] Call Trace: [ 129.720016] [] ? xlog_iodone+0x91/0xa0 [xfs] [ 129.720016] [] xlog_iodone+0x91/0xa0 [xfs] [ 129.720016] [] xfs_buf_iodone_work+0x5e/0xc0 [xfs] [ 129.720016] [] process_one_work+0x174/0x4a0 [ 129.720016] [] worker_thread+0x11b/0x370 [ 129.720016] [] ? manage_workers.isra.20+0x2d0/0x2d0 [ 129.720016] [] kthread+0xc9/0xe0 [ 129.720016] [] ? flush_kthread_worker+0xb0/0xb0 [ 129.720016] [] ret_from_fork+0x7c/0xb0 [ 129.720016] [] ? flush_kthread_worker+0xb0/0xb0 [ 129.720016] Code: d0 45 85 ed 0f 85 a5 00 00 00 f6 c3 20 66 90 75 7e 83 e3 10 0f 84 b5 00 00 00 48 c7 c6 18 8c 4e a0 4c 89 e7 31 c0 e8 54 92 00 00 <0f> 0b 66 90 48 8b 45 08 49 89 d1 41 89 c8 48 c7 c2 d0 4f 4e a0 [ 129.720016] RIP [] xfs_do_force_shutdown+0x9c/0x170 [xfs] [ 129.720016] RSP [ 129.777164] ---[ end trace d335180e3c345156 ]--- [ 129.777953] BUG: unable to handle kernel paging request at ffffffffffffffd8 [ 129.779087] IP: [] kthread_data+0x10/0x20 [ 129.779960] PGD 1c0f067 PUD 1c11067 PMD 0 [ 129.780900] Oops: 0000 [#2] SMP [ 129.781150] Modules linked in: xfs(F) libcrc32c ib_srpt tcm_qla2xxx qla2xxx tcm_loop tcm_fc libfc scsi_transport_fc scsi_tgt iscsi_target_mod target_core_pscsi target_core_file target_core_iblock target_core_mod configfs ib_iser rdma_cm iw_cm ib_cm ib_sa ib_mad ib_core ib_addr iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi nfsd nfs_acl nfs lockd fscac\ he sunrpc snd_intel8x0 snd_ac97_codec parport_pc parport ac97_bus snd_pcm psmouse snd_timer serio_raw snd joydev evbug mac_hid pcspkr i2c_piix4 soundcore hid_generic usbhid hid e1000 ahci libahci [ 129.781150] CPU: 1 PID: 234 Comm: kworker/1:1H Tainted: GF D 3.14.0+ #1 [ 129.781150] Hardware name: innotek GmbH VirtualBox, BIOS VirtualBox 12/01/2006 [ 129.781150] task: ffff88002f598000 ti: ffff88002fecc000 task.ti: ffff88002fecc000 [ 129.781150] RIP: 0010:[] [] kthread_data+0x10/0x20 [ 129.781150] RSP: 0018:ffff88002fecd9f8 EFLAGS: 00010046 [ 129.781150] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff81e75380 [ 129.781150] RDX: 0000000000000001 RSI: 0000000000000001 RDI: ffff88002f598000 [ 129.781150] RBP: ffff88002fecd9f8 R08: 0000000000000000 R09: 0000000000000164 [ 129.781150] R10: ffffffff8104c8b4 R11: 0000000000000000 R12: 0000000000000001 [ 129.781150] R13: ffff88002f5984e0 R14: ffff88003d9f8000 R15: ffff88002f5983d8 [ 129.781150] FS: 0000000000000000(0000) GS:ffff88003fd00000(0000) knlGS:0000000000000000 [ 129.781150] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b [ 129.781150] CR2: 0000000000000028 CR3: 0000000001c0e000 CR4: 00000000000006e0 [ 129.781150] Stack: [ 129.781150] ffff88002fecda18 ffffffff8106c526 ffff88003fd13140 0000000000000001 [ 129.781150] ffff88002fecda98 ffffffff816ca7cf 0000000000000001 ffff88002f598000 [ 129.781150] ffff88002f598000 0000000000013140 ffff88002fecdfd8 0000000000013140 [ 129.781150] Call Trace: [ 129.781150] [] wq_worker_sleeping+0x16/0xa0 [ 129.781150] [] __schedule+0x56f/0x7c0 [ 129.781150] [] schedule+0x29/0x70 [ 129.781150] [] do_exit+0x6e5/0xa70 [ 129.781150] [] ? printk+0x4d/0x4f [ 129.781150] [] oops_end+0xa1/0xf0 [ 129.781150] [] die+0x58/0x90 [ 129.781150] [] do_trap+0xcb/0x170 [ 129.781150] [] do_invalid_op+0xad/0x100 [ 129.781150] [] ? xfs_do_force_shutdown+0x9c/0x170 [xfs] [ 129.781150] [] ? printk+0x4d/0x4f [ 129.781150] [] invalid_op+0x18/0x20 [ 129.781150] [] ? xfs_do_force_shutdown+0x9c/0x170 [xfs] [ 129.781150] [] ? xfs_do_force_shutdown+0x9c/0x170 [xfs] [ 129.781150] [] ? xlog_iodone+0x91/0xa0 [xfs] [ 129.781150] [] xlog_iodone+0x91/0xa0 [xfs] [ 129.781150] [] xfs_buf_iodone_work+0x5e/0xc0 [xfs] [ 129.781150] [] process_one_work+0x174/0x4a0 [ 129.781150] [] worker_thread+0x11b/0x370 [ 129.781150] [] ? manage_workers.isra.20+0x2d0/0x2d0 [ 129.781150] [] kthread+0xc9/0xe0 [ 129.781150] [] ? flush_kthread_worker+0xb0/0xb0 [ 129.781150] [] ret_from_fork+0x7c/0xb0 [ 129.781150] [] ? flush_kthread_worker+0xb0/0xb0 [ 129.781150] Code: 00 48 89 e5 5d 48 8b 40 c8 48 c1 e8 02 83 e0 01 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 8b 87 88 04 00 00 55 48 89 e5 <48> 8b 40 d8 5d c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 [ 129.781150] RIP [] kthread_data+0x10/0x20 [ 129.781150] RSP [ 129.781150] CR2: ffffffffffffffd8 [ 129.781150] ---[ end trace d335180e3c345157 ]--- [ 129.781150] Fixing recursive fault but reboot is needed! > In essence, the log IO failure is triggering a shutdown, and as part > of the shutdown process it wakes anyone waiting on a log force. > The log quiesce code that waits for log completion during unmount > uses a log force to ensure the log is idle before tearing down all > the log structures and finishing the unmount. Unfortunatey, the log > force the unmount blocks on is woken prematurely by the shutdown, > and hence it runs before the log IO processing is completed. Hence > the use after free. > > > And then I get this kind of error and the system is unresponsive: > > Message from syslogd@debian at Apr 4 09:27:40 ... > > kernel:[ 680.080022] BUG: soft lockup - CPU#2 stuck for 22s! > [umount:2849] > > > > The problem appears to be similar to this issue: > > http://www.spinics.net/lists/linux-xfs/msg00061.html > > Similar symptoms, but not the same bug. > > > The problem is triggered by doing an iscsi logout which causes > > the block device to return i/o errors to xfs. > > Steps to reproduce the problem are below. > > Seems similar to the thinp ENOSPC issue I mentioned above - data IO > errors occur, then you do an unmount, which causes a log IO error > writing the superblock, and then this happens.... > > Cheers, > > Dave. > -- > Dave Chinner > david@fromorbit.com > --047d7bd6c21a6436c404f63e5edd Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
On F= ri, Apr 4, 2014 at 3:20 PM, Dave Chinner <david@fromorbit.com> wrote:
On Fri, Apr 04, 2014 at 12:15:23PM -0600, = Bob Mastors wrote:
> Greetings,
>
> I am new to xfs and am running into a problem
> and would appreciate any guidance on how to proceed.
>
> After an i/o error from the block device that xfs is using,
> an umount results in a message like:
> [ =C2=A0370.636473] XFS (sdx): Log I/O Error Detected. =C2=A0Shutting = down filesystem
> [ =C2=A0370.644073] XFS (h =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =EF=BF= =BD=EF=BF=BD=EF=BF=BDh"h =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0=EF=BF=BD= =EF=BF=BD=EF=BF=BDH#h =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0=EF=BF=BD=EF=BF=BD= =EF=BF=BDbsg):
> Please umount the filesystem and rectify the problem(s)
> Note the garbage on the previous line which suggests memory corruption= .
> About half the time I get the garbled log message. About half the time=
> umount hangs.

I got an email about this last night with a different trigger - thin<= br> provisioning failing log IO in the unmount path. I know what the
problem is, I just don't have a fix for it yet.

To confirm it's the same problem, can you post the entirity of the
dmesg where the error occurs?
Here is the console outp= ut from putting a BUG() call =C2=A0in xfs_do_force_shutdown
after= the "Please umount ..." message.
Let me know if want s= omething else.

I don't know how much help I can be on this, but I = can run more tests
or try out fixes.

Tha= nks,
Bob

[ =C2=A0111.004665] XFS (s= db): Mounting Filesystem
[ =C2=A0111.099442] XFS (sdb): Ending clean mount
[ =C2=A012= 9.548644] XFS (sdb): metadata I/O error: block 0x19022 ("xlog_iodone&q= uot;) error 19 numblks 64
[ =C2=A0129.618739] XFS (sdb): xfs_do_f= orce_shutdown(0x2) called from line 1170 of file fs/xfs/xfs_log.c. =C2=A0Re= turn address =3D 0xffffffffa04c8001
[ =C2=A0129.699768] XFS (sdb): Log I/O Error Detected. =C2=A0Shutting = down filesystem
[ =C2=A0129.699924] XFS (sdb): Unable to update s= uperblock counters. Freespace may not be correct on next mount.
[= =C2=A0129.699927] XFS (sdb): xfs_log_force: error 5 returned.
[ =C2=A0129.716031] XFS (P=E5=B0=82/): Please umount the filesystem an= d rectify the problem(s)
[ =C2=A0129.718411] ------------[ cut he= re ]------------
[ =C2=A0129.719120] Kernel BUG at ffffffffa04726= ac [verbose debug info unavailable]
[ =C2=A0129.720016] invalid opcode: 0000 [#1] SMP
[ =C2=A012= 9.720016] Modules linked in: xfs(F) libcrc32c ib_srpt tcm_qla2xxx qla2xxx t= cm_loop tcm_fc libfc scsi_transport_fc scsi_tgt iscsi_target_mod target_cor= e_pscsi target_core_file target_core_iblock target_core_mod configfs ib_ise= r rdma_cm iw_cm ib_cm ib_sa ib_mad ib_core ib_addr iscsi_tcp libiscsi_tcp l= ibiscsi scsi_transport_iscsi nfsd nfs_acl nfs lockd fscac\
he sunrpc snd_intel8x0 snd_ac97_codec parport_pc parport ac97_bus snd_= pcm psmouse snd_timer serio_raw snd joydev evbug mac_hid pcspkr i2c_piix4 s= oundcore hid_generic usbhid hid e1000 ahci libahci
[ =C2=A0129.72= 0016] CPU: 1 PID: 234 Comm: kworker/1:1H Tainted: GF =C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A03.14.0+ #1
[ =C2=A0129.720016] Hardware name: innotek GmbH VirtualBox, BIOS Virtu= alBox 12/01/2006
[ =C2=A0129.720016] Workqueue: xfslogd xfs_buf_i= odone_work [xfs]
[ =C2=A0129.720016] task: ffff88002f598000 ti: f= fff88002fecc000 task.ti: ffff88002fecc000
[ =C2=A0129.720016] RIP: 0010:[<ffffffffa04726ac>] =C2=A0[<ff= ffffffa04726ac>] xfs_do_force_shutdown+0x9c/0x170 [xfs]
[ =C2= =A0129.720016] RSP: 0018:ffff88002fecdd68 =C2=A0EFLAGS: 00010296
= [ =C2=A0129.720016] RAX: 0000000000000043 RBX: 0000000000000002 RCX: 000000= 0000000000
[ =C2=A0129.720016] RDX: ffff88003fd0efb0 RSI: ffff88003fd0d3d8 RDI: f= fff88003fd0d3d8
[ =C2=A0129.720016] RBP: ffff88002fecdd98 R08: 00= 00000000000000 R09: 0000000000000000
[ =C2=A0129.720016] R10: 000= 00000000001cf R11: 00000000000001ce R12: ffff880028865000
[ =C2=A0129.720016] R13: 0000000000000002 R14: 0000000000000000 R15: 0= 000000000000000
[ =C2=A0129.720016] FS: =C2=A00000000000000000(00= 00) GS:ffff88003fd00000(0000) knlGS:0000000000000000
[ =C2=A0129.= 720016] CS: =C2=A00010 DS: 0000 ES: 0000 CR0: 000000008005003b
[ =C2=A0129.720016] CR2: 00000000006105e8 CR3: 0000000001c0e000 CR4: 0= 0000000000006e0
[ =C2=A0129.720016] Stack:
[ =C2=A0129.= 720016] =C2=A0ffffffffa04c8001 0000000000000000 ffff880030140300 ffff880030= 26dc00
[ =C2=A0129.720016] =C2=A0ffff88002fa13980 0000000000000000 ffff88002fecddc= 8 ffffffffa04c8001
[ =C2=A0129.720016] =C2=A0ffff88003653cf48 fff= f88002fa13a20 ffff88002fa13980 ffffe8ffffd01e00
[ =C2=A0129.72001= 6] Call Trace:
[ =C2=A0129.720016] =C2=A0[<ffffffffa04c8001>] ? xlog_iodone+0x91/0xa= 0 [xfs]
[ =C2=A0129.720016] =C2=A0[<ffffffffa04c8001>] xlog= _iodone+0x91/0xa0 [xfs]
[ =C2=A0129.720016] =C2=A0[<ffffffffa0= 46ac3e>] xfs_buf_iodone_work+0x5e/0xc0 [xfs]
[ =C2=A0129.720016] =C2=A0[<ffffffff8106ad04>] process_one_work+= 0x174/0x4a0
[ =C2=A0129.720016] =C2=A0[<ffffffff8106c0ab>] = worker_thread+0x11b/0x370
[ =C2=A0129.720016] =C2=A0[<ffffffff= 8106bf90>] ? manage_workers.isra.20+0x2d0/0x2d0
[ =C2=A0129.720016] =C2=A0[<ffffffff81072c29>] kthread+0xc9/0xe0=
[ =C2=A0129.720016] =C2=A0[<ffffffff81072b60>] ? flush_kth= read_worker+0xb0/0xb0
[ =C2=A0129.720016] =C2=A0[<ffffffff816d= 6aec>] ret_from_fork+0x7c/0xb0
[ =C2=A0129.720016] =C2=A0[<ffffffff81072b60>] ? flush_kthread_w= orker+0xb0/0xb0
[ =C2=A0129.720016] Code: d0 45 85 ed 0f 85 a5 00= 00 00 f6 c3 20 66 90 75 7e 83 e3 10 0f 84 b5 00 00 00 48 c7 c6 18 8c 4e a0= 4c 89 e7 31 c0 e8 54 92 00 00 <0f> 0b 66 90 48 8b 45 08 49 89 d1 41 = 89 c8 48 c7 c2 d0 4f 4e a0
[ =C2=A0129.720016] RIP =C2=A0[<ffffffffa04726ac>] xfs_do_force_= shutdown+0x9c/0x170 [xfs]
[ =C2=A0129.720016] =C2=A0RSP <ffff8= 8002fecdd68>
[ =C2=A0129.777164] ---[ end trace d335180e3c3451= 56 ]---
[ =C2=A0129.777953] BUG: unable to handle kernel paging r= equest at ffffffffffffffd8
[ =C2=A0129.779087] IP: [<ffffffff81072c80>] kthread_data+0x10/0= x20
[ =C2=A0129.779960] PGD 1c0f067 PUD 1c11067 PMD 0
[= =C2=A0129.780900] Oops: 0000 [#2] SMP
[ =C2=A0129.781150] Module= s linked in: xfs(F) libcrc32c ib_srpt tcm_qla2xxx qla2xxx tcm_loop tcm_fc l= ibfc scsi_transport_fc scsi_tgt iscsi_target_mod target_core_pscsi target_c= ore_file target_core_iblock target_core_mod configfs ib_iser rdma_cm iw_cm = ib_cm ib_sa ib_mad ib_core ib_addr iscsi_tcp libiscsi_tcp libiscsi scsi_tra= nsport_iscsi nfsd nfs_acl nfs lockd fscac\
he sunrpc snd_intel8x0 snd_ac97_codec parport_pc parport ac97_bus snd_= pcm psmouse snd_timer serio_raw snd joydev evbug mac_hid pcspkr i2c_piix4 s= oundcore hid_generic usbhid hid e1000 ahci libahci
[ =C2=A0129.78= 1150] CPU: 1 PID: 234 Comm: kworker/1:1H Tainted: GF =C2=A0 =C2=A0 D =C2=A0= =C2=A0 =C2=A03.14.0+ #1
[ =C2=A0129.781150] Hardware name: innotek GmbH VirtualBox, BIOS Virtu= alBox 12/01/2006
[ =C2=A0129.781150] task: ffff88002f598000 ti: f= fff88002fecc000 task.ti: ffff88002fecc000
[ =C2=A0129.781150] RIP= : 0010:[<ffffffff81072c80>] =C2=A0[<ffffffff81072c80>] kthread_= data+0x10/0x20
[ =C2=A0129.781150] RSP: 0018:ffff88002fecd9f8 =C2=A0EFLAGS: 00010046<= /div>
[ =C2=A0129.781150] RAX: 0000000000000000 RBX: 0000000000000000 R= CX: ffffffff81e75380
[ =C2=A0129.781150] RDX: 0000000000000001 RS= I: 0000000000000001 RDI: ffff88002f598000
[ =C2=A0129.781150] RBP: ffff88002fecd9f8 R08: 0000000000000000 R09: 0= 000000000000164
[ =C2=A0129.781150] R10: ffffffff8104c8b4 R11: 00= 00000000000000 R12: 0000000000000001
[ =C2=A0129.781150] R13: fff= f88002f5984e0 R14: ffff88003d9f8000 R15: ffff88002f5983d8
[ =C2=A0129.781150] FS: =C2=A00000000000000000(0000) GS:ffff88003fd000= 00(0000) knlGS:0000000000000000
[ =C2=A0129.781150] CS: =C2=A0001= 0 DS: 0000 ES: 0000 CR0: 000000008005003b
[ =C2=A0129.781150] CR2= : 0000000000000028 CR3: 0000000001c0e000 CR4: 00000000000006e0
[ =C2=A0129.781150] Stack:
[ =C2=A0129.781150] =C2=A0ffff880= 02fecda18 ffffffff8106c526 ffff88003fd13140 0000000000000001
[ = =C2=A0129.781150] =C2=A0ffff88002fecda98 ffffffff816ca7cf 0000000000000001 = ffff88002f598000
[ =C2=A0129.781150] =C2=A0ffff88002f598000 0000000000013140 ffff88002fecdfd= 8 0000000000013140
[ =C2=A0129.781150] Call Trace:
[ =C2=A0129.781150] =C2=A0[<ffffffff8106c526>] wq_worker_sleep= ing+0x16/0xa0
[ =C2=A0129.781150] =C2=A0[<ffffffff816ca7cf>] __schedule+0x56f/0x7c0=
[ =C2=A0129.781150] =C2=A0[<ffffffff816caaf9>] schedule+0x= 29/0x70
[ =C2=A0129.781150] =C2=A0[<ffffffff81052075>] do_e= xit+0x6e5/0xa70
[ =C2=A0129.781150] =C2=A0[<ffffffff816c2303>] ? printk+0x4d/0x4f
[ =C2=A0129.781150] =C2=A0[<ffffffff816cf0e1>] oops_end+0xa1/0= xf0
[ =C2=A0129.781150] =C2=A0[<ffffffff81006208>] die+0x58= /0x90
[ =C2=A0129.781150] =C2=A0[<ffffffff816ce93b>] do_tra= p+0xcb/0x170
[ =C2=A0129.781150] =C2=A0[<ffffffff8100308d>] do_invalid_op+0xa= d/0x100
[ =C2=A0129.781150] =C2=A0[<ffffffffa04726ac>] ? xf= s_do_force_shutdown+0x9c/0x170 [xfs]
[ =C2=A0129.781150] =C2=A0[&= lt;ffffffff816c2303>] ? printk+0x4d/0x4f
[ =C2=A0129.781150] =C2=A0[<ffffffff816d8088>] invalid_op+0x18/0= x20
[ =C2=A0129.781150] =C2=A0[<ffffffffa04726ac>] ? xfs_do= _force_shutdown+0x9c/0x170 [xfs]
[ =C2=A0129.781150] =C2=A0[<f= fffffffa04726ac>] ? xfs_do_force_shutdown+0x9c/0x170 [xfs]
[ =C2=A0129.781150] =C2=A0[<ffffffffa04c8001>] ? xlog_iodone+0x9= 1/0xa0 [xfs]
[ =C2=A0129.781150] =C2=A0[<ffffffffa04c8001>]= xlog_iodone+0x91/0xa0 [xfs]
[ =C2=A0129.781150] =C2=A0[<fffff= fffa046ac3e>] xfs_buf_iodone_work+0x5e/0xc0 [xfs]
[ =C2=A0129.781150] =C2=A0[<ffffffff8106ad04>] process_one_work+= 0x174/0x4a0
[ =C2=A0129.781150] =C2=A0[<ffffffff8106c0ab>] = worker_thread+0x11b/0x370
[ =C2=A0129.781150] =C2=A0[<ffffffff= 8106bf90>] ? manage_workers.isra.20+0x2d0/0x2d0
[ =C2=A0129.781150] =C2=A0[<ffffffff81072c29>] kthread+0xc9/0xe0=
[ =C2=A0129.781150] =C2=A0[<ffffffff81072b60>] ? flush_kth= read_worker+0xb0/0xb0
[ =C2=A0129.781150] =C2=A0[<ffffffff816d= 6aec>] ret_from_fork+0x7c/0xb0
[ =C2=A0129.781150] =C2=A0[<ffffffff81072b60>] ? flush_kthread_w= orker+0xb0/0xb0
[ =C2=A0129.781150] Code: 00 48 89 e5 5d 48 8b 40= c8 48 c1 e8 02 83 e0 01 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48= 8b 87 88 04 00 00 55 48 89 e5 <48> 8b 40 d8 5d c3 66 2e 0f 1f 84 00 = 00 00 00 00 0f 1f 44 00 00
[ =C2=A0129.781150] RIP =C2=A0[<ffffffff81072c80>] kthread_data+= 0x10/0x20
[ =C2=A0129.781150] =C2=A0RSP <ffff88002fecd9f8><= /div>
[ =C2=A0129.781150] CR2: ffffffffffffffd8
[ =C2=A0129.7= 81150] ---[ end trace d335180e3c345157 ]---
[ =C2=A0129.781150] Fixing recursive fault but reboot is needed!
=


In essence, the log IO failure is triggering a shutdown, and as part
of the shutdown process it wakes anyone waiting on a log force.
The log quiesce code that waits for log completion during unmount
uses a log force to ensure the log is idle before tearing down all
the log structures and finishing the unmount. Unfortunatey, the log
force the unmount blocks on is woken prematurely by the shutdown,
and hence it runs before the log IO processing is completed. Hence
the use after free.

> And then I get this kind of error and the system is unresponsive:
> Message from syslogd@debian at Apr =C2=A04 09:27:40 ...
> =C2=A0kernel:[ =C2=A0680.080022] BUG: soft lockup - CPU#2 stuck for 22= s! [umount:2849]
>
> The problem appears to be similar to this issue:
> http://www.spinics.net/lists/linux-xfs/msg00061.html

Similar symptoms, but not the same bug.

> The problem is triggered by doing an iscsi logout which causes
> the block device to return i/o errors to xfs.
> Steps to reproduce the problem are below.

Seems similar to the thinp ENOSPC issue I mentioned above - data IO errors occur, then you do an unmount, which causes a log IO error
writing the superblock, and then this happens....

Cheers,

Dave.
--
Dave Chinner
david@fromorbit.com

--047d7bd6c21a6436c404f63e5edd-- From david@fromorbit.com Fri Apr 4 16:57:29 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 83C3A7FC4 for ; Fri, 4 Apr 2014 16:57:29 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id F10DFAC003 for ; Fri, 4 Apr 2014 14:57:28 -0700 (PDT) X-ASG-Debug-ID: 1396648646-04cb6c5675c89560001-NocioJ Received: from ipmail07.adl2.internode.on.net (ipmail07.adl2.internode.on.net [150.101.137.131]) by cuda.sgi.com with ESMTP id NXS3QzIFh7fqjpL3 for ; Fri, 04 Apr 2014 14:57:26 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.131 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AnYGAF0qP1N5LEcv/2dsb2JhbABZgwaDSlLBBYEiF3SCJQEBAQQjDwEjIxAIAQIYAgIFIQICDwUlAyETh3iROZwYomQXFoETjGYRAVAHgm+BSQSYWpJAg0QpgTU Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail07.adl2.internode.on.net with ESMTP; 05 Apr 2014 08:27:25 +1030 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WWC6q-0006Cv-LN; Sat, 05 Apr 2014 08:57:12 +1100 Date: Sat, 5 Apr 2014 08:57:12 +1100 From: Dave Chinner To: Bob Mastors Cc: xfs@oss.sgi.com Subject: Re: xfs umount with i/o error hang/memory corruption Message-ID: <20140404215712.GP16336@dastard> X-ASG-Orig-Subj: Re: xfs umount with i/o error hang/memory corruption References: <20140404212016.GY17603@dastard> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail07.adl2.internode.on.net[150.101.137.131] X-Barracuda-Start-Time: 1396648646 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4575 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Fri, Apr 04, 2014 at 03:40:38PM -0600, Bob Mastors wrote: > On Fri, Apr 4, 2014 at 3:20 PM, Dave Chinner wrote: > > > On Fri, Apr 04, 2014 at 12:15:23PM -0600, Bob Mastors wrote: > > > Greetings, > > > > > > I am new to xfs and am running into a problem > > > and would appreciate any guidance on how to proceed. > > > > > > After an i/o error from the block device that xfs is using, > > > an umount results in a message like: > > > [ 370.636473] XFS (sdx): Log I/O Error Detected. Shutting down > > filesystem > > > [ 370.644073] XFS (h ���h"h ���H#h ���bsg): > > > Please umount the filesystem and rectify the problem(s) > > > Note the garbage on the previous line which suggests memory corruption. > > > About half the time I get the garbled log message. About half the time > > > umount hangs. > > > > I got an email about this last night with a different trigger - thin > > provisioning failing log IO in the unmount path. I know what the > > problem is, I just don't have a fix for it yet. > > > > To confirm it's the same problem, can you post the entirity of the > > dmesg where the error occurs? > > > Here is the console output from putting a BUG() call in > xfs_do_force_shutdown > after the "Please umount ..." message. > Let me know if want something else. > > I don't know how much help I can be on this, but I can run more tests > or try out fixes. I'll let you know when I have a fix for you to try - probably early next week as it's Saturday morning right now... > [ 129.548644] XFS (sdb): metadata I/O error: block 0x19022 ("xlog_iodone") > error 19 numblks 64 > [ 129.618739] XFS (sdb): xfs_do_force_shutdown(0x2) called from line 1170 > of file fs/xfs/xfs_log.c. Return address = 0xffffffffa04c8001 > [ 129.699768] XFS (sdb): Log I/O Error Detected. Shutting down filesystem > [ 129.699924] XFS (sdb): Unable to update superblock counters. Freespace > may not be correct on next mount. > [ 129.699927] XFS (sdb): xfs_log_force: error 5 returned. > [ 129.716031] XFS (P専/): Please umount the filesystem and rectify the Yup, that is identical to the bug report I got from the dm-thinp folks. Thanks for the quick followup! Cheers, Dave. -- Dave Chinner david@fromorbit.com From david@fromorbit.com Fri Apr 4 17:06:04 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 9AFEF7FFA for ; Fri, 4 Apr 2014 17:06:04 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id 600A38F8039 for ; Fri, 4 Apr 2014 15:06:01 -0700 (PDT) X-ASG-Debug-ID: 1396649158-04bdf05daacb5700001-NocioJ Received: from ipmail07.adl2.internode.on.net (ipmail07.adl2.internode.on.net [150.101.137.131]) by cuda.sgi.com with ESMTP id lAH1kITAfZEKHLRU for ; Fri, 04 Apr 2014 15:05:58 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.131 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AtMGAHArP1N5LEcv/2dsb2JhbABZgwY7gw+oIQKZNIEiF3SCZhwjGCQ0BSUDiCzQThaOBFeEPwSYWpJAg0QpgS0 Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail07.adl2.internode.on.net with ESMTP; 05 Apr 2014 08:35:58 +1030 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WWCF7-0006FB-5z; Sat, 05 Apr 2014 09:05:45 +1100 Date: Sat, 5 Apr 2014 09:05:45 +1100 From: Dave Chinner To: torvalds@linux-foundation.org Cc: akpm@linux-foundation.org, linux-kernel@vger.kernel.org, xfs@oss.sgi.com Subject: [GIT PULL] XFS updates for 3.15-rc1 Message-ID: <20140404220545.GQ16336@dastard> X-ASG-Orig-Subj: [GIT PULL] XFS updates for 3.15-rc1 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail07.adl2.internode.on.net[150.101.137.131] X-Barracuda-Start-Time: 1396649158 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4575 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header Hi Linus, Please pull the following XFS updates for 3.15-rc1. There are a couple of new fallocate features in this request - it was decided that it was easiest to push them through the XFS tree using topic branches and have the ext4 support be based on those branches. Hence you may see some overlap with the ext4 tree merge depending on how they including those topic branches into their tree. Other than that, there is O_TMPFILE support, some cleanups and bug fixes. I've used a signed tag for this pull like you wanted me to do. I think a few people signed my new gpg key last week at LSFMM so it shouldn't be completely bare. Hopefully I haven't screwed anything up - let me know if there's anything you'd like me to do differently in future. Cheers, Dave. The following changes since commit 38dbfb59d1175ef458d006556061adeaa8751b72: Linus 3.14-rc1 (2014-02-02 16:42:13 -0800) are available in the git repository at: git://oss.sgi.com/xfs/xfs.git tags/xfs-for-linus-3.15-rc1 for you to fetch changes up to a6cf33bc566c5fe888bfa9cf6448037c90661f67: Merge branch 'xfs-bug-fixes-for-3.15-3' into for-next (2014-04-04 08:07:35 +1100) ---------------------------------------------------------------- xfs: update for 3.15-rc1 The main changes in the XFS tree for 3.15-rc1 are: - O_TMPFILE support - allowing AIO+DIO writes beyond EOF - FALLOC_FL_COLLAPSE_RANGE support for fallocate syscall and XFS implementation - FALLOC_FL_ZERO_RANGE support for fallocate syscall and XFS implementation - IO verifier cleanup and rework - stack usage reduction changes - vm_map_ram NOIO context fixes to remove lockdep warings - various bug fixes and cleanups ---------------------------------------------------------------- Ben Myers (1): MAINTAINERS: SGI no longer maintaining XFS Brian Foster (3): xfs: use tr_growrtalloc for growing rt files xfs: use tr_qm_dqalloc log reservation for dquot alloc xfs: avoid AGI/AGF deadlock scenario for inode chunk allocation Christoph Hellwig (4): direct-io: add flag to allow aio writes beyond i_size xfs: always use unwritten extents for direct I/O writes xfs: allow appending aio writes xfs: ensure correct timestamp updates from truncate Dan Carpenter (1): xfs: extra semi-colon breaks a condition Dave Chinner (16): xfs: ensure correct log item buffer alignment Merge branch 'xfs-fixes-for-3.15' into for-next Merge remote-tracking branch 'xfs-async-aio-extend' into for-next xfs: always do log forces via the workqueue xfs: allocate xfs_da_args to reduce stack footprint xfs: fix directory inode iolock lockdep false positive xfs: don't leak EFSBADCRC to userspace xfs: use NOIO contexts for vm_map_ram xfs: xfs_check_page_type buffer checks need help xfs: inode log reservations are still too small Merge branch 'xfs-collapse-range' into for-next Merge branch 'xfs-stack-fixes' into for-next Merge branch 'xfs-verifier-cleanup' into for-next Merge branch 'xfs-bug-fixes-for-3.15-2' into for-next Merge branch 'xfs-O_TMPFILE-support' into for-next Merge branch 'xfs-bug-fixes-for-3.15-3' into for-next Eric Sandeen (12): xfs: remove unused tr_swrite xfs: sanitize sb_inopblock in xfs_mount_validate_sb xfs: xfs_sb_read_verify() doesn't flag bad crcs on primary sb xfs: skip verification on initial "guess" superblock read xfs: limit superblock corruption errors to actual corruption xfs: skip pointless CRC updates after verifier failures xfs: Use defines for CRC offsets in all cases xfs: add helper for verifying checksums on xfs_bufs xfs: add helper for updating checksums on xfs_bufs xfs: add xfs_verifier_error() xfs: print useful caller information in xfs_error_report xfs: modify verifiers to differentiate CRC from other errors Jie Liu (3): xfs: convert xfs_log_commit_cil() to void xfs: return -E2BIG if hit the maximum size limits of ACLs xfs: remove XFS_TRANS_DEBUG dead code Lukas Czerner (2): fs: Introduce FALLOC_FL_ZERO_RANGE flag for fallocate xfs: Add support for FALLOC_FL_ZERO_RANGE Mark Tinguely (1): xfs: fix directory hash ordering bug Namjae Jeon (2): fs: Add new flag(FALLOC_FL_COLLAPSE_RANGE) for fallocate xfs: Add support FALLOC_FL_COLLAPSE_RANGE for fallocate Zhi Yong Wu (3): xfs: factor prid related codes into xfs_get_initial_prid() xfs: add O_TMPFILE support xfs: allow linkat() on O_TMPFILE files MAINTAINERS | 1 - fs/direct-io.c | 18 ++- fs/open.c | 29 +++- fs/xfs/kmem.c | 21 ++- fs/xfs/xfs_acl.c | 2 +- fs/xfs/xfs_ag.h | 6 + fs/xfs/xfs_alloc.c | 45 +++--- fs/xfs/xfs_alloc_btree.c | 16 +- fs/xfs/xfs_aops.c | 84 +++++++---- fs/xfs/xfs_attr_leaf.c | 17 ++- fs/xfs/xfs_attr_remote.c | 15 +- fs/xfs/xfs_bmap.c | 193 ++++++++++++++++++++++++ fs/xfs/xfs_bmap.h | 15 ++ fs/xfs/xfs_bmap_btree.c | 16 +- fs/xfs/xfs_bmap_util.c | 97 +++++++++++- fs/xfs/xfs_bmap_util.h | 2 + fs/xfs/xfs_btree.c | 14 +- fs/xfs/xfs_buf.c | 11 ++ fs/xfs/xfs_buf.h | 14 ++ fs/xfs/xfs_buf_item.c | 19 --- fs/xfs/xfs_da_btree.c | 19 +-- fs/xfs/xfs_dinode.h | 2 + fs/xfs/xfs_dir2.c | 342 +++++++++++++++++++++++++++---------------- fs/xfs/xfs_dir2_block.c | 17 ++- fs/xfs/xfs_dir2_data.c | 20 +-- fs/xfs/xfs_dir2_leaf.c | 17 ++- fs/xfs/xfs_dir2_node.c | 17 ++- fs/xfs/xfs_dquot.c | 2 +- fs/xfs/xfs_dquot_buf.c | 11 +- fs/xfs/xfs_error.c | 27 +++- fs/xfs/xfs_error.h | 1 + fs/xfs/xfs_file.c | 26 +++- fs/xfs/xfs_format.h | 2 + fs/xfs/xfs_ialloc.c | 36 +++-- fs/xfs/xfs_ialloc_btree.c | 16 +- fs/xfs/xfs_inode.c | 123 +++++++++++++++- fs/xfs/xfs_inode.h | 12 ++ fs/xfs/xfs_inode_buf.c | 7 +- fs/xfs/xfs_iomap.c | 10 +- fs/xfs/xfs_iops.c | 46 +++++- fs/xfs/xfs_linux.h | 2 + fs/xfs/xfs_log.h | 2 +- fs/xfs/xfs_log_cil.c | 74 +++++++--- fs/xfs/xfs_mount.c | 27 +++- fs/xfs/xfs_rtalloc.c | 2 +- fs/xfs/xfs_sb.c | 23 ++- fs/xfs/xfs_sb.h | 2 + fs/xfs/xfs_shared.h | 4 +- fs/xfs/xfs_symlink.c | 9 +- fs/xfs/xfs_symlink_remote.c | 16 +- fs/xfs/xfs_trace.h | 1 + fs/xfs/xfs_trans.c | 12 +- fs/xfs/xfs_trans_buf.c | 11 ++ fs/xfs/xfs_trans_resv.c | 82 +++++++++-- fs/xfs/xfs_trans_resv.h | 3 +- include/linux/fs.h | 3 + include/uapi/linux/falloc.h | 35 +++++ 57 files changed, 1256 insertions(+), 440 deletions(-) From v.mingchen@gmail.com Sat Apr 5 00:52:48 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=FREEMAIL_FROM,T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id B700A7F5D for ; Sat, 5 Apr 2014 00:52:48 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id A198C304053 for ; Fri, 4 Apr 2014 22:52:48 -0700 (PDT) X-ASG-Debug-ID: 1396677164-04cb6c5676c94060001-NocioJ Received: from mail-ig0-f171.google.com (mail-ig0-f171.google.com [209.85.213.171]) by cuda.sgi.com with ESMTP id MLVDBdukjTwvFuzT (version=TLSv1 cipher=RC4-SHA bits=128 verify=NO) for ; Fri, 04 Apr 2014 22:52:44 -0700 (PDT) X-Barracuda-Envelope-From: v.mingchen@gmail.com X-Barracuda-Apparent-Source-IP: 209.85.213.171 X-Barracuda-IPDD: Level1 [gmail.com/209.85.213.171] Received: by mail-ig0-f171.google.com with SMTP id c1so1797399igq.10 for ; Fri, 04 Apr 2014 22:52:43 -0700 (PDT) X-Barracuda-IPDD: Level1 [gmail.com/209.85.213.171] X-Barracuda-IPDD: Level1 [gmail.com/209.85.213.171] DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:date:message-id:subject:from:to:cc:content-type; bh=AoQaZ9hPqNrUA43l5bpHXVnZYUfvDFOmDu/vCmv0TPU=; b=s2lOgS7xG/42HG72Wunp8m9esOVPiDjVXILkWdKuE1sNSEPkQguqavL73pyCFg15eP 8EiPNzXMWdjck106lECSAgamf6aSJZV/tyXMmVOo6rX4i3E5DV9tACA/oI9xDQcCoo/+ g/8IK0KfvsPCH4jRUY3Y/JWnBVpv7xr9I8KfCD8ScNbofSebR8w4mddLYAHA5trRimCk WbsGU3ZpY/1w6bNEGFaLzwf0t2g6S67dpk9gmzsY0lvQEudSkMUYyyyxEfg5oINQTXAO byKh5VcEpK7NdOHpzTj+oK+X7Gjnh07gcdxSfNW4QWJSyUgt4dPMRTZWxTYKewoFd071 p9qA== MIME-Version: 1.0 X-Received: by 10.50.253.130 with SMTP id aa2mr7567236igd.39.1396677163898; Fri, 04 Apr 2014 22:52:43 -0700 (PDT) Received: by 10.64.159.5 with HTTP; Fri, 4 Apr 2014 22:52:43 -0700 (PDT) Date: Sat, 5 Apr 2014 01:52:43 -0400 Message-ID: Subject: [PATCH] xfstest: log operations properly to generic/001.full From: Ming Chen X-ASG-Orig-Subj: [PATCH] xfstest: log operations properly to generic/001.full To: xfs@oss.sgi.com Cc: Erez Zadok , david@fromorbit.com Content-Type: text/plain; charset=ISO-8859-1 X-Barracuda-Connect: mail-ig0-f171.google.com[209.85.213.171] X-Barracuda-Start-Time: 1396677164 X-Barracuda-Encrypted: RC4-SHA X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.60 X-Barracuda-Spam-Status: No, SCORE=0.60 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=DKIM_SIGNED, DKIM_VERIFIED, MARKETING_SUBJECT X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4585 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.60 MARKETING_SUBJECT Subject contains popular marketing words -0.00 DKIM_VERIFIED Domain Keys Identified Mail: signature passes verification 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature Part of the operations were written to 001.full from the awk script, while the rest were piped to 001.full using tee. The resultant 001.full did not reflect what are really performed. This makes debugging difficult. Signed-off-by: Ming Chen --- tests/generic/001 | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/tests/generic/001 b/tests/generic/001 index 6e5f3dd..e1142ed 100755 --- a/tests/generic/001 +++ b/tests/generic/001 @@ -190,7 +190,7 @@ _mark_iteration() # _chain() { - $AWK_PROG -v full_file=$seqres.full -v verify=$verify <$tmp.config ' + $AWK_PROG -v verify=$verify <$tmp.config ' BEGIN { nfile = 0 } /^\#/ { next } { file[nfile] = $1 @@ -210,7 +210,7 @@ END { srand('$iter') printf "if [ ! -f %s ]; then echo \"%s missing!\"; exit; fi\n",file[j],file[j] printf "if [ -f %s.0 ]; then echo \"%s.0 already present!\"; exit; fi\n",file[j],file[j] printf "cp %s %s.0 || exit 1\n",file[j],file[j] - printf "ls -i %s.0\n", file[j] >full_file; + printf "ls -i %s.0\n", file[j]; total_size += size[j] printf "# total size = %d\n", total_size } @@ -219,7 +219,7 @@ END { srand('$iter') printf "if [ ! -f %s.%d ]; then echo \"%s.%d missing!\"; exit; fi\n",file[j],link[j]-1,file[j],link[j]-1 printf "if [ -f %s.%d ]; then echo \"%s.%d already present!\"; exit; fi\n",file[j],link[j],file[j],link[j] printf "cp %s.%d %s.%d || exit 1\n",file[j],link[j]-1,file[j],link[j] - printf "ls -i %s.%d\n", file[j], link[j] >full_file; + printf "ls -i %s.%d\n", file[j], link[j]; total_size += size[j] printf "# total size = %d\n", total_size } @@ -231,7 +231,7 @@ END { srand('$iter') for (j=0; j 0) { printf "mv %s.%d %s.last\n",file[j],link[j]-1,file[j] - printf "ls -i %s.last\n", file[j] >full_file; + printf "ls -i %s.last\n", file[j]; } for (i=0; i X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.3 required=5.0 tests=FREEMAIL_ENVFROM_END_DIGIT, FREEMAIL_FROM,HTML_MESSAGE,T_DKIM_INVALID autolearn=no version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 98032800E 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(CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id 7CE758F804C for ; Sat, 5 Apr 2014 11:19:57 -0700 (PDT) X-ASG-Debug-ID: 1396721993-04bdf0743a104040001-NocioJ Received: from mail-lb0-f181.google.com (mail-lb0-f181.google.com [209.85.217.181]) by cuda.sgi.com with ESMTP id LnSDGo0S4hBtjKUw (version=TLSv1 cipher=RC4-SHA bits=128 verify=NO) for ; Sat, 05 Apr 2014 11:19:54 -0700 (PDT) X-Barracuda-Envelope-From: pocas.jamie@gmail.com X-Barracuda-Apparent-Source-IP: 209.85.217.181 X-Barracuda-IPDD: Level1 [gmail.com/209.85.217.181] Received: by mail-lb0-f181.google.com with SMTP id c11so3400599lbj.26 for ; Sat, 05 Apr 2014 11:19:53 -0700 (PDT) X-Barracuda-IPDD: Level1 [gmail.com/209.85.217.181] X-Barracuda-IPDD: Level1 [gmail.com/209.85.217.181] DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=XOkzy03+onV2iuYfA3q1O0M4WQGd/t8DYxTnMYkI7t0=; b=f7tpJDoQVouk6MxrmqNJLH9FgJoRrUanRKks7EEA2H8JQ0kGRnjxbBlyVyCka4jrGg 3lkJAdfrBtN4QbW8tiGkpVV4WyUeZ9aCPZ56Ds6/e4wkX6dUrQyf2DfkVfyuUQb/BUnx DoIvqjoBKWITIPUH3ZG3vLsX/QuDu002J2E0EcrnanQXWIgir5x4zmHljaMALXG+OFcJ 1/+5M4dDDME1Wgc839NTSaLD5vd3/TVERcRYD5c4gd5J3F83TkMmHrW6CM6zfJeQmO7C iDmZ+cvKldj0CPRiKVKqlVoda0pBraBTWV13YgmcRI90tjQwtNedbthI9Lyp2Am45AcK lL3g== MIME-Version: 1.0 X-Received: by 10.112.24.9 with SMTP id q9mr13012322lbf.23.1396721993290; Sat, 05 Apr 2014 11:19:53 -0700 (PDT) Received: by 10.114.200.71 with HTTP; Sat, 5 Apr 2014 11:19:53 -0700 (PDT) In-Reply-To: <20140402044749.GK17603@dastard> References: <20140401204215.GG17603@dastard> <20140402044749.GK17603@dastard> Date: Sat, 5 Apr 2014 14:19:53 -0400 Message-ID: Subject: Re: xfs: invalid requests to request_fn from xfs_repair From: Jamie Pocas X-ASG-Orig-Subj: Re: xfs: invalid requests to request_fn from xfs_repair To: Dave Chinner Cc: xfs@oss.sgi.com Content-Type: multipart/alternative; boundary=001a113437fc42962b04f64fae87 X-Barracuda-Connect: mail-lb0-f181.google.com[209.85.217.181] X-Barracuda-Start-Time: 1396721994 X-Barracuda-Encrypted: RC4-SHA X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=DKIM_SIGNED, DKIM_VERIFIED, HTML_MESSAGE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4597 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- -0.00 DKIM_VERIFIED Domain Keys Identified Mail: signature passes verification 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature 0.00 HTML_MESSAGE BODY: HTML included in message --001a113437fc42962b04f64fae87 Content-Type: text/plain; charset=ISO-8859-1 On Wed, Apr 2, 2014 at 12:47 AM, Dave Chinner wrote: > > > > While iterating through segments in rq_for_each_segment(), for some > > > > requests I am seeing some odd behavior. > > > > > > > > segment 0: iter.bio->bi_sector = 0, blk_rq_cur_sectors(rq) = 903 > // Ok, > > > > this looks normal > > > > segment 1: iter.bio->bi_sector = 1023, blk_rq_cur_sectors(rq) = 7 // > > > > Whoah... this doesn't look right to me > > > > > > Seems fine to me. There's absolutely no reason two separate IOs > > > can't be sub-page sector aligned or discontiguous given the above > > > configuration. If that's what the getblocks callback returned to the > > > DIO layer, then that's what you're going to see in the bios... > > > > > > > > I guess my assumption that sectors would be adjacent was invalid, but > this > > is what I have read in ldd3 and other books and seen in some driver > > examples. So I apologize for my folly and it's another lesson in not > > believing everything you see on the net. The back half of my driver is > > really optimized for transferring a single contiguous lba & transfer > length > > pair (ala SCSI WRITE 16 for example). However in desperation, I had > changed > > the driver to support requests like this (with disjoint sector ranges) > but > > it still seemed odd to me that occasionally some requests would even have > > multiple segments that would *write* the same sectors/lengths. For > example > > I also see requests like the following. > > > > Given: rq_data_dir(rq) == 1 (i.e. a write) > > segment 0: iter.bio->bi_sector = 0, blk_rq_cur_sectors(rq) = 7 // Ok > > segment 1: iter.bio->bi_sector = 0, blk_rq_cur_sectors(rq) = 7 // > > Again? > > segment 2: iter.bio->bi_sector = 0, blk_rq_cur_sectors(rq) = 7 // > Yet > > again? > > segment 3: iter.bio->bi_sector = 0, blk_rq_cur_sectors(rq) = 7 // > > Really? > > ... > > segment 126: iter.bio->bi_sector = 0, blk_rq_cur_sectors(rq) = 7 // > > What's going on? > > // Reminder: segment limit is 128 > > segment 127: iter.bio->bi_sector = 1023, blk_rq_cur_sectors(rq) = 1 // > > Haha, bet you though I was going to say sector = 0! > > That really looks to me like a bug in whatever is building that iter > structure. It looks like there's an off-by-one on each page (should > be 8 sectors not 7) and the bi_sector is not being set correctly to > the sector offset of the bio within the IO. i.e. for a contiguous > IO it should look something like: > > segment 0: iter.bio->bi_sector = 0, blk_rq_cur_sectors(rq) = 8 > segment 1: iter.bio->bi_sector = 8, blk_rq_cur_sectors(rq) = 8 > segment 2: iter.bio->bi_sector = 16, blk_rq_cur_sectors(rq) = 8 > .... > segment 127: iter.bio->bi_sector = 1016, blk_rq_cur_sectors(rq) = 8 > > I highly doubt the direct IO code is doing something wrong, because > a mapping bug like that would show up everywhere and not just in your > special driver.... > > I agree that the iterator *looks* wrong, Like I said earlier, I am just using the rq_for_each_segment() macro (defined in include/linux/blkdev.h and expands to a few dozen lines of code). This is the recommended way of iterating requests instead of using the lower level bio iterating functions or going it yourself which is why it's recommended to use that instead of going deeper and breaking compatibility when the kernel changes. I suspect it's the request itself which was constructed incorrectly, or contains bios that should not have been grouped into the same request, or contains bios that have their bi_sector set incorrectly. > > > The read syscall is for a byte offset (from the fd, set by lseek) > > > and a length, not a range of contiguous sectors on the device. That > > > off/len tuple gets mapped by the underlying filesystem or device > > > into an sector/len via a getblocks callback in the dio code and the > > > bios are then built according to the mappings that are returned. So > > > in many cases the IO that hits the block device looks nothing at all > > > like the IO that came from userspace. > > > > > > > > In general if I were reading a file I agree 100%, but this was the read > > call issued by xfs_repair to read the superblock directly from a block > > device. So I, perhaps wrongly, anticipated straightforward requests or > > maybe even a single 512k request coming down to the request_fn. I should > > have mentioned that this was observed while using xfs_repair earlier in > the > > email though, so no offense intended. There's more of the xfs_repair > strace > > in my response to your next comment below. It fails very early as you can > > imagine when xfs_repair can't read the superblock. > > I figured that this is what you were talking about, but remember > that the block device also does it's own offset->sector mapping in > the direct IO layer. So it's entirely possible that the mapping > function (i.e the getblocks callback) is broken and that is why you > are seeing weird mappings in the bios being built by the direct Io > code. > > This is the xfs_repair tool being run directly against a block device, so if I am reading the fs/direct-io.c code correctly this means that the mapping function (get_block_t) is using fs/block_dev.c:blkdev_get_block(). Is that correct? That function is very short and simple, so I can't imagine how there would be a bug in there. If it were a file on an xfs filesystem, the get_block_t callback would be xfs_get_blocks or xfs_get_blocks_direct (which both internally call __xfs_get_blocks). Is my understanding correct? --001a113437fc42962b04f64fae87 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable


On Wed, Apr 2, 2014 at 12:47 AM, Dave Chinner <david@fromorbit.com> wrote:
> > > While iterating through segments = in rq_for_each_segment(), for some
> > > requests I am seeing some odd behavior.
> > >
> > > segment 0: iter.bio->bi_sector =3D 0, blk_rq_cur_sectors(= rq) =3D 903 =A0 // Ok,
> > > this looks normal
> > > segment 1: iter.bio->bi_sector =3D 1023, blk_rq_cur_secto= rs(rq) =3D 7 //
> > > Whoah... this doesn't look right to me
> >
> > Seems fine to me. There's absolutely no reason two separate I= Os
> > can't be sub-page sector aligned or discontiguous given the a= bove
> > configuration. If that's what the getblocks callback returned= to the
> > DIO layer, then that's what you're going to see in the bi= os...
> >
> >
> I guess my assumption that sectors would be adjacent was invalid, but = this
> is what I have read in ldd3 and other books and seen in some driver > examples. So I apologize for my folly and it's another lesson in n= ot
> believing everything you see on the net. The back half of my driver is=
> really optimized for transferring a single contiguous lba & transf= er length
> pair (ala SCSI WRITE 16 for example). However in desperation, I had ch= anged
> the driver to support requests like this (with disjoint sector ranges)= but
> it still seemed odd to me that occasionally some requests would even h= ave
> multiple segments that would *write* the same sectors/lengths. For exa= mple
> I also see requests like the following.
>
> Given: rq_data_dir(rq) =3D=3D 1 (i.e. a write)
> segment =A0 0: iter.bio->bi_sector =3D 0, blk_rq_cur_sectors(rq) = =3D 7 =A0 =A0// Ok
> segment =A0 1: iter.bio->bi_sector =3D 0, blk_rq_cur_sectors(rq) = =3D 7 =A0 =A0//
> Again?
> segment =A0 2: iter.bio->bi_sector =3D 0, blk_rq_cur_sectors(rq) = =3D 7 =A0 =A0// Yet
> again?
> segment =A0 3: iter.bio->bi_sector =3D 0, blk_rq_cur_sectors(rq) = =3D 7 =A0 =A0//
> Really?
> ...
> segment 126: iter.bio->bi_sector =3D 0, blk_rq_cur_sectors(rq) =3D = 7 =A0 =A0//
> What's going on?
> // Reminder: segment limit is 128
> segment 127: iter.bio->bi_sector =3D 1023, blk_rq_cur_sectors(rq) = =3D 1 //
> Haha, bet you though I was going to say sector =3D 0!

That really looks to me like a bug in whatever is building that= iter
structure. It looks like there's an off-by-one on each page (should
be 8 sectors not 7) and the bi_sector is not being set correctly to
the sector offset of the bio within the IO. i.e. for a contiguous
IO it should look something like:

segment =A0 0: iter.bio->bi_sector =3D 0, blk_rq_cur_sectors(rq) =3D 8 segment =A0 1: iter.bio->bi_sector =3D 8, blk_rq_cur_sectors(rq) =3D 8 segment =A0 2: iter.bio->bi_sector =3D 16, blk_rq_cur_sectors(rq) =3D 8<= br> ....
segment 127: iter.bio->bi_sector =3D 1016, blk_rq_cur_sectors(rq) =3D 8<= br>
I highly doubt the direct IO code is doing something wrong, because
a mapping bug like that would show up everywhere and not just in your
special driver....


I agree that the iterator *= looks* wrong, Like I said earlier, I am just using the rq_for_each_segment(= ) macro (defined in include/linux/blkdev.h and expands to a few dozen lines= of code). This is the recommended way of iterating requests instead of usi= ng the lower level bio iterating functions or going it yourself which is wh= y it's recommended to use that instead of going deeper and breaking com= patibility when the kernel changes. I suspect it's the request itself w= hich was constructed incorrectly, or contains bios that should not have bee= n grouped into the same request, or contains bios that have their bi_sector= set incorrectly.
=A0
> > The read syscall is for a byte offset (from the fd, set by lseek)=
> > and a length, not a range of contiguous sectors on the device. Th= at
> > off/len tuple gets mapped by the underlying filesystem or device<= br> > > into an sector/len via a getblocks callback in the dio code and t= he
> > bios are then built according to the mappings that are returned. = So
> > in many cases the IO that hits the block device looks nothing at = all
> > like the IO that came from userspace.
> >
> >
> In general if I were reading a file I agree 100%, but this was the rea= d
> call issued by xfs_repair to read the superblock directly from a block=
> device. So I, perhaps wrongly, anticipated straightforward requests or=
> maybe even a single 512k request coming down to the request_fn. I shou= ld
> have mentioned that this was observed while using xfs_repair earlier i= n the
> email though, so no offense intended. There's more of the xfs_repa= ir strace
> in my response to your next comment below. It fails very early as you = can
> imagine when xfs_repair can't read the superblock.

I figured that this is what you were talking about, but remember
that the block device also does it's own offset->sector mapping in the direct IO layer. So it's entirely possible that the mapping
function (i.e the getblocks callback) is broken and that is why you
are seeing weird mappings in the bios being built by the direct Io
code.


This is the xfs_repair tool= being run directly against a block device, so if I am reading the fs/direc= t-io.c code correctly this means that the mapping function (get_block_t) is= using fs/block_dev.c:blkdev_get_block(). Is that correct? That function is= very short and simple, so I can't imagine how there would be a bug in = there. If it were a file on an xfs filesystem, the get_block_t callback wou= ld be xfs_get_blocks or xfs_get_blocks_direct (which both internally call _= _xfs_get_blocks). Is my understanding correct?

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charset=UTF-8 X-Barracuda-Connect: mail-qg0-f47.google.com[209.85.192.47] X-Barracuda-Start-Time: 1396879910 X-Barracuda-Encrypted: RC4-SHA X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=DKIM_SIGNED, DKIM_VERIFIED X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4652 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- -0.00 DKIM_VERIFIED Domain Keys Identified Mail: signature passes verification 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature >> + >> +int >> +xfs_bmap_split_extent( >> + struct xfs_inode *ip, >> + xfs_fileoff_t split_fsb, >> + xfs_extnum_t *split_ext) >> +{ >> + struct xfs_mount *mp = ip->i_mount; >> + struct xfs_trans *tp; >> + struct xfs_bmap_free free_list; >> + xfs_fsblock_t firstfsb; >> + int committed; >> + int error; >> + >> + tp = xfs_trans_alloc(mp, XFS_TRANS_DIOSTRAT); >> + tp->t_flags |= XFS_TRANS_RESERVE; > > Any reason this (or the other cases) has to be reserve enabled? Hi Brian. No Particular reason apart from following the same pattern we used in collapse range patches. During Collapse range review, Dave Chinner also suggested that we should not use reserved pool: "This probably shouldn't use XFS_TRANS_RESERVE. If we are at ENOSPC, then the operation simply fails. Yes, we've already punched the hole, so we shouldn't get ENOSPC here, but I don't think it's worth dipping into the reserve pool as it has much more important uses..." I will remove this and from other places in next version. (and probably the same need to be done for collapse range) > >> + error = xfs_trans_reserve(tp, &M_RES(mp)->tr_write, >> + XFS_DIOSTRAT_SPACE_RES(mp, 0), 0); >> + >> + /* >> + * check for running out of space >> + */ >> + if (error) { >> + /* >> + * Free the transaction structure. >> + */ >> + ASSERT(error == ENOSPC || XFS_FORCED_SHUTDOWN(mp)); >> + xfs_trans_cancel(tp, 0); >> + return error; >> + } >> + >> + xfs_ilock(ip, XFS_ILOCK_EXCL); >> + error = xfs_trans_reserve_quota(tp, mp, ip->i_udquot, >> + ip->i_gdquot, ip->i_pdquot, >> + XFS_DIOSTRAT_SPACE_RES(mp, 0), 0, >> + XFS_QMOPT_RES_REGBLKS); >> + if (error) >> + goto error1; > > We should probably have an xfs_qm_dqattach() call before we get here. As > it is, it looks like the first one is in xfs_alloc_file_space(). Okay, I will check about this point. > >> + >> +/* >> + * Shift extent records to the right to make a hole. >> + * The maximum number of extents to be shifted in a single operation >> + * is @num_exts, and @current_ext keeps track of the current extent >> + * index we have shifted. @offset_shift_fsb is the length by which each >> + * extent is shifted. @end_ext is the last extent to be shifted. >> + */ >> +int >> +xfs_bmap_shift_extents_right( >> + struct xfs_trans *tp, >> + struct xfs_inode *ip, >> + int *done, >> + xfs_fileoff_t offset_shift_fsb, >> + xfs_extnum_t *current_ext, >> + xfs_extnum_t end_ext, >> + xfs_fsblock_t *firstblock, >> + struct xfs_bmap_free *flist, >> + int num_exts) >> +{ >> + struct xfs_mount *mp = ip->i_mount; >> + struct xfs_btree_cur *cur; >> + struct xfs_bmbt_rec_host *gotp; >> + struct xfs_bmbt_irec got; >> + struct xfs_bmbt_irec right; >> + xfs_ifork_t *ifp; >> + xfs_fileoff_t startoff; >> + xfs_filblks_t blockcount = 0; >> + int error = 0; >> + int i; >> + int whichfork = XFS_DATA_FORK; >> + int logflags; >> + >> + if (unlikely(XFS_TEST_ERROR( >> + (XFS_IFORK_FORMAT(ip, whichfork) != XFS_DINODE_FMT_EXTENTS && >> + XFS_IFORK_FORMAT(ip, whichfork) != XFS_DINODE_FMT_BTREE), >> + mp, XFS_ERRTAG_BMAPIFORMAT, XFS_RANDOM_BMAPIFORMAT))) { >> + XFS_ERROR_REPORT("xfs_bmap_shift_extents_right", >> + XFS_ERRLEVEL_LOW, mp); >> + return XFS_ERROR(EFSCORRUPTED); >> + } >> + >> + if (XFS_FORCED_SHUTDOWN(mp)) >> + return XFS_ERROR(EIO); >> + >> + ASSERT(current_ext != NULL); >> + >> + /* We are going to change core inode */ >> + logflags = XFS_ILOG_CORE; >> + ifp = XFS_IFORK_PTR(ip, whichfork); >> + >> + if (ifp->if_flags & XFS_IFBROOT) { >> + cur = xfs_bmbt_init_cursor(mp, tp, ip, whichfork); >> + cur->bc_private.b.firstblock = *firstblock; >> + cur->bc_private.b.flist = flist; >> + cur->bc_private.b.flags = 0; >> + } else { >> + cur = NULL; >> + logflags |= XFS_ILOG_DEXT; >> + } >> + >> + /* start shifting extents to right */ >> + while (num_exts-- > 0) { >> + if (*current_ext < end_ext) { >> + *done = 1; >> + break; >> + } >> + >> + gotp = xfs_iext_get_ext(ifp, *current_ext); >> + xfs_bmbt_get_all(gotp, &got); >> + startoff = got.br_startoff + offset_shift_fsb; >> + >> + /* >> + * Before shifting extent into hole, make sure that the hole >> + * is large enough to accomodate the shift. This checking has >> + * to be performed for all except the last extent. >> + */ >> + if ((XFS_IFORK_NEXTENTS(ip, whichfork) - 1) != *current_ext) { >> + xfs_bmbt_get_all(xfs_iext_get_ext(ifp, >> + *current_ext + 1), &right); >> + if (startoff + got.br_blockcount > right.br_startoff) { >> + error = XFS_ERROR(EINVAL); >> + if (error) >> + goto del_cursor; >> + } >> + } >> + >> + /* Check if we can merge 2 adjacent extents */ >> + if ((XFS_IFORK_NEXTENTS(ip, whichfork) - 1) != *current_ext && >> + right.br_startoff == startoff + got.br_blockcount && >> + right.br_startblock == >> + got.br_startblock + got.br_blockcount && >> + right.br_state == got.br_state && >> + right.br_blockcount + got.br_blockcount <= MAXEXTLEN) { >> + blockcount = right.br_blockcount + got.br_blockcount; >> + >> + /* Make cursor point to the extent we will update */ >> + if (cur) { >> + error = xfs_bmbt_lookup_eq(cur, >> + right.br_startoff, >> + right.br_startblock, >> + right.br_blockcount, >> + &i); >> + if (error) >> + goto del_cursor; >> + XFS_WANT_CORRUPTED_GOTO(i == 1, del_cursor); >> + } >> + >> + xfs_iext_remove(ip, *current_ext + 1, 1, 0); >> + if (cur) { >> + error = xfs_btree_delete(cur, &i); >> + if (error) >> + goto del_cursor; >> + XFS_WANT_CORRUPTED_GOTO(i == 1, del_cursor); >> + } >> + XFS_IFORK_NEXT_SET(ip, whichfork, >> + XFS_IFORK_NEXTENTS(ip, whichfork) - 1); >> + >> + } >> + >> + if (cur) { >> + error = xfs_bmbt_lookup_eq(cur, got.br_startoff, >> + got.br_startblock, >> + got.br_blockcount, >> + &i); >> + if (error) >> + goto del_cursor; >> + XFS_WANT_CORRUPTED_GOTO(i == 1, del_cursor); >> + } >> + >> + if (got.br_blockcount < blockcount) { >> + xfs_bmbt_set_blockcount(gotp, blockcount); >> + got.br_blockcount = blockcount; >> + } > > A comment would be nice here for this bit that fixes up the blockcount > in the extent merge case. You also probably want to reset blockcount. ;) Right. Blockcount needs to be reset. Although we are shifting just a single extent, It does not matter in current situation. But as a generic API for shifting extents, It is better to reset the blockcount. > >> + >> + >> + xfs_bmbt_set_startoff(gotp, startoff); >> + got.br_startoff = startoff; >> + >> + if (cur) { >> + error = xfs_bmbt_update(cur, got.br_startoff, >> + got.br_startblock, >> + got.br_blockcount, >> + got.br_state); >> + if (error) >> + goto del_cursor; >> + } >> + >> + (*current_ext)--; >> + } >> + >> +del_cursor: >> + if (cur) >> + xfs_btree_del_cursor(cur, >> + error ? XFS_BTREE_ERROR : XFS_BTREE_NOERROR); >> + xfs_trans_log_inode(tp, ip, logflags); >> + return error; >> +} >> diff --git a/fs/xfs/xfs_bmap.h b/fs/xfs/xfs_bmap.h >> index f84bd7a..91ca1a7 100644 >> --- a/fs/xfs/xfs_bmap.h >> +++ b/fs/xfs/xfs_bmap.h >> @@ -179,10 +179,17 @@ int xfs_bunmapi(struct xfs_trans *tp, struct >> xfs_inode *ip, >> int xfs_check_nostate_extents(struct xfs_ifork *ifp, xfs_extnum_t idx, >> xfs_extnum_t num); >> uint xfs_default_attroffset(struct xfs_inode *ip); >> -int xfs_bmap_shift_extents(struct xfs_trans *tp, struct xfs_inode *ip, >> +int xfs_bmap_shift_extents_left(struct xfs_trans *tp, struct xfs_inode >> *ip, >> int *done, xfs_fileoff_t start_fsb, >> xfs_fileoff_t offset_shift_fsb, xfs_extnum_t *current_ext, >> xfs_fsblock_t *firstblock, struct xfs_bmap_free *flist, >> int num_exts); >> +int xfs_bmap_split_extent(struct xfs_inode *ip, xfs_fileoff_t >> split_offset, >> + xfs_extnum_t *split_ext); >> +int xfs_bmap_shift_extents_right(struct xfs_trans *tp, struct xfs_inode >> *ip, >> + int *done, xfs_fsblock_t offset_shift_fsb, >> + xfs_extnum_t *current_ext, xfs_extnum_t end_ext, >> + xfs_fsblock_t *firstblock, struct xfs_bmap_free *flist, >> + int num_exts); >> >> #endif /* __XFS_BMAP_H__ */ >> diff --git a/fs/xfs/xfs_bmap_util.c b/fs/xfs/xfs_bmap_util.c >> index 01f6a64..8b10d6d 100644 >> --- a/fs/xfs/xfs_bmap_util.c >> +++ b/fs/xfs/xfs_bmap_util.c >> @@ -1539,7 +1539,7 @@ xfs_collapse_file_space( >> * We are using the write transaction in which max 2 bmbt >> * updates are allowed >> */ >> - error = xfs_bmap_shift_extents(tp, ip, &done, start_fsb, >> + error = xfs_bmap_shift_extents_left(tp, ip, &done, start_fsb, >> shift_fsb, ¤t_ext, >> &first_block, &free_list, >> XFS_BMAP_MAX_SHIFT_EXTENTS); >> @@ -1563,6 +1563,127 @@ out: >> } >> >> /* >> + * xfs_insert_file_space() >> + * This routine allocate disk space and shift extent for the given file. >> + * The first thing we do is to sync dirty data and invalidate page cache >> + * over the region on which insert range is working. And split an extent >> + * to two extents at given offset by calling xfs_bmap_split_extent. >> + * And shift all extent records which are laying between [offset, >> + * last allocated extent] to the right to reserve hole range. Lastly >> + * allocate an unwritten extent in hole range created by shifting >> extents. >> + * >> + * RETURNS: >> + * 0 on success >> + * errno on error >> + * >> + */ >> +int >> +xfs_insert_file_space( >> + struct xfs_inode *ip, >> + loff_t offset, >> + loff_t len) >> +{ >> + struct xfs_mount *mp = ip->i_mount; >> + struct xfs_trans *tp; >> + struct xfs_bmap_free free_list; >> + xfs_fsblock_t first_block; >> + int done = 0; >> + int committed; >> + int error; >> + uint rounding; >> + xfs_fileoff_t start_fsb; >> + xfs_fileoff_t shift_fsb; >> + xfs_extnum_t split_ext; >> + xfs_extnum_t current_ext = 0; >> + xfs_off_t ioffset; >> + >> + ASSERT(xfs_isilocked(ip, XFS_IOLOCK_EXCL)); >> + trace_xfs_insert_file_space(ip); >> + >> + /* wait for the completion of any pending DIOs */ >> + inode_dio_wait(VFS_I(ip)); >> + >> + rounding = max_t(uint, 1 << mp->m_sb.sb_blocklog, PAGE_CACHE_SIZE); >> + ioffset = offset & ~(rounding - 1); >> + error = -filemap_write_and_wait_range(VFS_I(ip)->i_mapping, >> + ioffset, -1); >> + if (error) >> + return error; >> + truncate_pagecache_range(VFS_I(ip), ioffset, -1); >> + >> + start_fsb = XFS_B_TO_FSB(mp, offset); >> + shift_fsb = XFS_B_TO_FSB(mp, len); >> + >> + error = xfs_bmap_split_extent(ip, start_fsb, &split_ext); >> + if (error) >> + return error; >> + >> + current_ext = XFS_IFORK_NEXTENTS(ip, XFS_DATA_FORK) - 1; >> + while (!error && !done) { >> + tp = xfs_trans_alloc(mp, XFS_TRANS_DIOSTRAT); >> + tp->t_flags |= XFS_TRANS_RESERVE; >> + /* >> + * We would need to reserve permanent block for transaction. >> + * This will come into picture when after shifting extent into >> + * hole we found that adjacent extents can be merged which >> + * may lead to freeing of a block during record update. >> + */ >> + error = xfs_trans_reserve(tp, &M_RES(mp)->tr_write, >> + XFS_DIOSTRAT_SPACE_RES(mp, 0), 0); >> + if (error) { >> + ASSERT(error == ENOSPC || XFS_FORCED_SHUTDOWN(mp)); >> + xfs_trans_cancel(tp, 0); >> + break; >> + } >> + >> + xfs_ilock(ip, XFS_ILOCK_EXCL); >> + error = xfs_trans_reserve_quota(tp, mp, ip->i_udquot, >> + ip->i_gdquot, ip->i_pdquot, >> + XFS_DIOSTRAT_SPACE_RES(mp, 0), 0, >> + XFS_QMOPT_RES_REGBLKS); >> + if (error) >> + goto error1; >> + >> + xfs_trans_ijoin(tp, ip, 0); >> + >> + xfs_bmap_init(&free_list, &first_block); >> + >> + /* >> + * We are using the write transaction in which max 2 bmbt >> + * updates are allowed >> + */ >> + error = xfs_bmap_shift_extents_right(tp, ip, &done, shift_fsb, >> + ¤t_ext, split_ext, >> + &first_block, &free_list, >> + XFS_BMAP_MAX_SHIFT_EXTENTS); >> + if (error) >> + goto error0; >> + >> + error = xfs_bmap_finish(&tp, &free_list, &committed); >> + if (error) >> + goto error0; >> + >> + error = xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES); >> + xfs_iunlock(ip, XFS_ILOCK_EXCL); >> + if (error) >> + goto out; >> + } >> + >> + /* make unwritten extent in a hole range. */ >> + error = xfs_alloc_file_space(ip, offset, len, XFS_BMAPI_PREALLOC); > > There is potential for this to fail with ENOSPC or due to quota after > we've already inserted the address range in the file and moved the > extent over. Are we Ok with that behavior? > > Even if so, what is the caller left with? Even though I think it would > be nicer if we were to fail in that scenario sooner, I could understand > if we completed the extent shift and just left a hole in the inserted > region. As it is, it looks like the caller will skip updating the file > size and thus some file data might fall after EOF, which is probably not > what we want. I don't know if it's worth worrying about the same thing > if we happen to fail earlier in the middle of shifting extents over..? Good point. We should not skip updating the file size even if we fail after shifting a single extent. i.e. even if there is a single successful shift, there has to be inode size update otherwise the user will loose data. Failing in between the extent shifting will have the same effect as with collapse range. We will end up with a hole somewhere between the EOF and the shift start point. This is the limitation with journal filesystem where we have to reserve journal blocks in advance and commit transactions in between the shifting operation. If a user is well equipped with xfs_bmap, He can still reissue insert range commands after checking the files's extent tree. Thanks for review! > > Brian > >> + >> +out: >> + return error; >> + >> +error0: >> + xfs_bmap_cancel(&free_list); >> +error1: >> + xfs_trans_cancel(tp, XFS_TRANS_RELEASE_LOG_RES | XFS_TRANS_ABORT); >> + xfs_iunlock(ip, XFS_ILOCK_EXCL); >> + return error; >> +} >> + >> +/* >> * We need to check that the format of the data fork in the temporary >> inode is >> * valid for the target inode before doing the swap. This is not a >> problem with >> * attr1 because of the fixed fork offset, but attr2 has a dynamically >> sized >> diff --git a/fs/xfs/xfs_bmap_util.h b/fs/xfs/xfs_bmap_util.h >> index 935ed2b..d62ab4b 100644 >> --- a/fs/xfs/xfs_bmap_util.h >> +++ b/fs/xfs/xfs_bmap_util.h >> @@ -101,6 +101,8 @@ int xfs_zero_file_space(struct xfs_inode *ip, >> xfs_off_t offset, >> xfs_off_t len); >> int xfs_collapse_file_space(struct xfs_inode *, xfs_off_t offset, >> xfs_off_t len); >> +int xfs_insert_file_space(struct xfs_inode *, xfs_off_t offset, >> + xfs_off_t len); >> >> /* EOF block manipulation functions */ >> bool xfs_can_free_eofblocks(struct xfs_inode *ip, bool force); >> diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c >> index 003c005..6603b36 100644 >> --- a/fs/xfs/xfs_file.c >> +++ b/fs/xfs/xfs_file.c >> @@ -824,7 +824,8 @@ xfs_file_fallocate( >> if (!S_ISREG(inode->i_mode)) >> return -EINVAL; >> if (mode & ~(FALLOC_FL_KEEP_SIZE | FALLOC_FL_PUNCH_HOLE | >> - FALLOC_FL_COLLAPSE_RANGE | FALLOC_FL_ZERO_RANGE)) >> + FALLOC_FL_COLLAPSE_RANGE | FALLOC_FL_ZERO_RANGE | >> + FALLOC_FL_INSERT_RANGE)) >> return -EOPNOTSUPP; >> >> xfs_ilock(ip, XFS_IOLOCK_EXCL); >> @@ -846,6 +847,20 @@ xfs_file_fallocate( >> error = xfs_collapse_file_space(ip, offset, len); >> if (error) >> goto out_unlock; >> + } else if (mode & FALLOC_FL_INSERT_RANGE) { >> + unsigned blksize_mask = (1 << inode->i_blkbits) - 1; >> + >> + if (offset & blksize_mask || len & blksize_mask) { >> + error = -EINVAL; >> + goto out_unlock; >> + } >> + >> + ASSERT(offset < i_size_read(inode)); >> + new_size = i_size_read(inode) + len; >> + >> + error = xfs_insert_file_space(ip, offset, len); >> + if (error) >> + goto out_unlock; >> } else { >> if (!(mode & FALLOC_FL_KEEP_SIZE) && >> offset + len > i_size_read(inode)) { >> diff --git a/fs/xfs/xfs_trace.h b/fs/xfs/xfs_trace.h >> index a4ae41c..c870288 100644 >> --- a/fs/xfs/xfs_trace.h >> +++ b/fs/xfs/xfs_trace.h >> @@ -604,6 +604,7 @@ DEFINE_INODE_EVENT(xfs_inactive_symlink); >> DEFINE_INODE_EVENT(xfs_alloc_file_space); >> DEFINE_INODE_EVENT(xfs_free_file_space); >> DEFINE_INODE_EVENT(xfs_collapse_file_space); >> +DEFINE_INODE_EVENT(xfs_insert_file_space); >> DEFINE_INODE_EVENT(xfs_readdir); >> #ifdef CONFIG_XFS_POSIX_ACL >> DEFINE_INODE_EVENT(xfs_get_acl); >> -- >> 1.7.11-rc0 >> >> _______________________________________________ >> xfs mailing list >> xfs@oss.sgi.com >> http://oss.sgi.com/mailman/listinfo/xfs > From bfoster@redhat.com Mon Apr 7 10:39:10 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 4731C7F54 for ; Mon, 7 Apr 2014 10:39:10 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 32D60304043 for ; Mon, 7 Apr 2014 08:39:10 -0700 (PDT) X-ASG-Debug-ID: 1396885148-04cb6c5675d72ca0001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id 6CHGTERk7tL66DAW for ; Mon, 07 Apr 2014 08:39:09 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx01.intmail.prod.int.phx2.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s37Fd8sl026593 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Mon, 7 Apr 2014 11:39:08 -0400 Received: from bfoster.bfoster ([10.18.41.237]) by int-mx01.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id s37Fd7ok002331 for ; Mon, 7 Apr 2014 11:39:08 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id 812A21256CC; Mon, 7 Apr 2014 11:39:06 -0400 (EDT) Date: Mon, 7 Apr 2014 11:39:06 -0400 From: Brian Foster To: xfs@oss.sgi.com Subject: [FAQ v2] XFS speculative preallocation Message-ID: <20140407153906.GC48184@bfoster.bfoster> X-ASG-Orig-Subj: [FAQ v2] XFS speculative preallocation MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.21 (2010-09-15) X-Scanned-By: MIMEDefang 2.67 on 10.5.11.11 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1396885149 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 Hi all, This is v2 of the speculative preallocation FAQ bits. The initial proposal was here: http://oss.sgi.com/archives/xfs/2014-03/msg00316.html This version includes some updates based on review from arekm and dchinner. Most notably, the content has been broken down into a few more questions. Unless there are further major changes required, I'll plan to post something along these lines to the wiki when my account is approved. Thanks for the feedback! Brian --- Q: Why do files on XFS use more data blocks than expected? A: The XFS speculative preallocation algorithm allocates extra blocks beyond end of file (EOF) to minimise file fragmentation during buffered write workloads. Workloads that benefit from this behaviour include slowly growing files, concurrent writers and mixed reader/writer workloads. It also provides fragmentation resistence in situations where memory pressure prevents adequate buffering of dirty data to allow formation of large contiguous regions of data in memory. This post-EOF block allocation is accounted identically to blocks within EOF. It is visible in 'st_blocks' counts via stat() system calls, accounted as globally allocated space and against quotas that apply to the associated file. The space is reported by various userspace utilities (stat, du, df, ls) and thus provides a common source of confusion for administrators. Post-EOF blocks are temporary in most situations and are usually reclaimed via several possible mechanisms in XFS. See the FAQ entry on speculative preallocation for details. Q: What is speculative preallocation? A: XFS speculatively preallocates post-EOF blocks on file extending writes in anticipation of future extending writes. The size of a preallocation is dynamic and depends on the runtime state of the file and fs. Generally speaking, preallocation is disabled for very small files and preallocation sizes grow as files grow larger. Preallocations are capped to the maximum extent size supported by the filesystem. Preallocation size is throttled automatically as the filesystem approaches low free space conditions or other allocation limits on a file (such as a quota). In most cases, speculative preallocation is automatically reclaimed when a file is closed. Preallocation may also persist beyond the lifecycle of the file descriptor. Certain application behaviors that are known to cause fragmentation, such as file server workloads, slowly growing files, etc., benefit from this and delay the removal of preallocated blocks beyond fd close. Q: How can I speed up or avoid delayed removal of speculative preallocation? A: Remove the inode from the VFS cache or unmount the filesystem to remove speculative preallocations associated with an inode. Linux 3.8 (and later) includes a scanner to perform background trimming of files with lingering post-EOF preallocations. The scanner bypasses dirty files to avoid interference with ongoing writes. A 5 minute scan interval is used by default and can be adjusted via the following file (value in seconds): /proc/sys/fs/xfs/speculative_prealloc_lifetime Q: Is speculative preallocation permanent? A: Although speculative preallocation can lead to reports of excess space usage, the preallocated space is not permanent unless explicitly made so via fallocate or a similar interface. Preallocated space can also be encoded permanently in situations where file size is extended beyond a range of post-EOF blocks (i.e., via truncate). Otherwise, preallocated blocks are reclaimed on file close, inode reclaim, unmount or in the background once file write activity subsides. Q: My workload has known characteristics - can I tune speculative preallocation to an optimal fixed size? A: The 'allocsize=' mount option configures the XFS block allocation algorithm to use a fixed allocation size. Speculative preallocation is not dynamically resized when the allocsize mount option is set and thus the potential for fragmentation is increased. XFS historically set allocsize to 64k by default. From rjohnston@sgi.com Mon Apr 7 13:20:39 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=RP_MATCHES_RCVD autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 735A87F60 for ; Mon, 7 Apr 2014 13:20:39 -0500 (CDT) Received: from xmail.sgi.com (pv-excas2-dc21.corp.sgi.com [137.38.106.9]) by relay3.corp.sgi.com (Postfix) with ESMTP id 9A669AC012; Mon, 7 Apr 2014 11:20:35 -0700 (PDT) Received: from [128.162.233.55] (128.162.233.55) by xmail.sgi.com (137.38.106.6) with Microsoft SMTP Server (TLS) id 14.3.123.3; Mon, 7 Apr 2014 13:20:34 -0500 Message-ID: <5342EC72.8060007@sgi.com> Date: Mon, 7 Apr 2014 13:20:34 -0500 From: Rich Johnston User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.4.0 MIME-Version: 1.0 To: =?UTF-8?B?QXJrYWRpdXN6IE1pxZtraWV3aWN6?= , CC: Dave Chinner Subject: Re: xfsprogs 3.1.12 and 3.2.0 releases? References: <201401201822.48520.arekm@maven.pl> In-Reply-To: <201401201822.48520.arekm@maven.pl> Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 8bit X-Originating-IP: [128.162.233.55] On 01/20/2014 11:22 AM, Arkadiusz MiÅ›kiewicz wrote: > > Hello. > > What's needed for both 3.1.12 and 3.2.0 releases to happen? > > If 3.2.0 is to be released soon then nice. Dave, AFAIK it is waiting for you > and xfs_db crc work only? > > If 3.2.0 is far away then it would be nice to see 3.1.12 with bugfixes only > (for those paranoid about new stuff) but 3.1.13 very soon after that with > backported features like project quota support, parallelism, performance > improvements. > > Obviously I hope 3.2.0 is soon and there is no need to waste effort on 3.1.x. > Is there any interest in a 3.1.12 release or will a 3.2.x release happen soon? From tinguely@eagdhcp-232-178.americas.sgi.com Mon Apr 7 14:04:30 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=RP_MATCHES_RCVD autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id A4F6F7F6C for ; Mon, 7 Apr 2014 14:04:30 -0500 (CDT) Received: from eagdhcp-232-178.americas.sgi.com (eagdhcp-232-178.americas.sgi.com [128.162.232.178]) by relay2.corp.sgi.com (Postfix) with ESMTP id 557C8304032 for ; Mon, 7 Apr 2014 12:04:27 -0700 (PDT) Received: from eagdhcp-232-178.americas.sgi.com (localhost [127.0.0.1]) by eagdhcp-232-178.americas.sgi.com (8.14.5/8.14.5) with ESMTP id s37J4SaO002955 for ; Mon, 7 Apr 2014 14:04:28 -0500 (CDT) (envelope-from tinguely@eagdhcp-232-178.americas.sgi.com) Received: (from tinguely@localhost) by eagdhcp-232-178.americas.sgi.com (8.14.5/8.14.5/Submit) id s37J4SEd002954; Mon, 7 Apr 2014 14:04:28 -0500 (CDT) (envelope-from tinguely) Message-Id: <20140407190101.292316075@sgi.com> User-Agent: quilt/0.51-1 Date: Mon, 07 Apr 2014 14:00:34 -0500 From: Mark Tinguely To: XFS Mailing List Subject: [PATCH] xfsprogs: fix directory hash ordering bug References: <20140328173430.622616177@sgi.com> Content-Disposition: inline; filename=libxfs-fix-directory-bad-hash-order.patch Commit f5ea1100 ("xfs: add CRCs to dir2/da node blocks") introduced in 3.10 incorrectly converted the btree hash index array pointer in xfs_da3_fixhashpath(). It resulted in the the current hash always being compared against the first entry in the btree rather than the current block index into the btree block's hash entry array. As a result, it was comparing the wrong hashes, and so could misorder the entries in the btree. For most cases, this doesn't cause any problems as it requires hash collisions to expose the ordering problem. However, when there are hash collisions within a directory there is a very good probability that the entries will be ordered incorrectly and that actually matters when duplicate hashes are placed into or removed from the btree block hash entry array. This bug results in an on-disk directory corruption and that results in directory verifier functions throwing corruption warnings into the logs. While no data or directory entries are lost, access to them may be compromised, and attempts to remove entries from a directory that has suffered from this corruption may result in a filesystem shutdown. xfs_repair will fix the directory hash ordering without data loss occuring. [dchinner: wrote useful a commit message] Ported from equivalent kernel commit c88547a8. Signed-off-by: Mark Tinguely --- libxfs/xfs_da_btree.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) Index: b/libxfs/xfs_da_btree.c =================================================================== --- a/libxfs/xfs_da_btree.c +++ b/libxfs/xfs_da_btree.c @@ -1313,7 +1313,7 @@ xfs_da3_fixhashpath( node = blk->bp->b_addr; xfs_da3_node_hdr_from_disk(&nodehdr, node); btree = xfs_da3_node_tree_p(node); - if (be32_to_cpu(btree->hashval) == lasthash) + if (be32_to_cpu(btree[blk->index]->hashval) == lasthash) break; blk->hashval = lasthash; btree[blk->index].hashval = cpu_to_be32(lasthash); From sandeen@sandeen.net Mon Apr 7 14:08:33 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id C452A7F77 for ; Mon, 7 Apr 2014 14:08:33 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id A5450304039 for ; Mon, 7 Apr 2014 12:08:33 -0700 (PDT) X-ASG-Debug-ID: 1396897711-04cb6c5676d84e60001-NocioJ Received: from sandeen.net (sandeen.net [63.231.237.45]) by cuda.sgi.com with ESMTP id BUISesnz4qzL6xcO for ; Mon, 07 Apr 2014 12:08:32 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@sandeen.net X-Barracuda-Apparent-Source-IP: 63.231.237.45 Received: from liberator.sandeen.net (liberator.sandeen.net [10.0.0.4]) (using TLSv1 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (No client certificate requested) by sandeen.net (Postfix) with ESMTPSA id A78E763C77A3; Mon, 7 Apr 2014 14:08:31 -0500 (CDT) Message-ID: <5342F7AF.9040507@sandeen.net> Date: Mon, 07 Apr 2014 14:08:31 -0500 From: Eric Sandeen User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:24.0) Gecko/20100101 Thunderbird/24.4.0 MIME-Version: 1.0 To: Brian Foster , xfs@oss.sgi.com Subject: Re: [FAQ v2] XFS speculative preallocation References: <20140407153906.GC48184@bfoster.bfoster> X-ASG-Orig-Subj: Re: [FAQ v2] XFS speculative preallocation In-Reply-To: <20140407153906.GC48184@bfoster.bfoster> X-Enigmail-Version: 1.6 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Barracuda-Connect: sandeen.net[63.231.237.45] X-Barracuda-Start-Time: 1396897711 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4662 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On 4/7/14, 10:39 AM, Brian Foster wrote: > Hi all, > > This is v2 of the speculative preallocation FAQ bits. The initial > proposal was here: > > http://oss.sgi.com/archives/xfs/2014-03/msg00316.html > > This version includes some updates based on review from arekm and > dchinner. Most notably, the content has been broken down into a few more > questions. Unless there are further major changes required, I'll plan to > post something along these lines to the wiki when my account is > approved. Thanks for the feedback! > > Brian > > --- > > Q: Why do files on XFS use more data blocks than expected? > > A: > > The XFS speculative preallocation algorithm allocates extra blocks > beyond end of file (EOF) to minimise file fragmentation during buffered s/minimise/minimize/ > write workloads. Workloads that benefit from this behaviour include > slowly growing files, concurrent writers and mixed reader/writer > workloads. It also provides fragmentation resistence in situations where s/resistence/resistance/ > memory pressure prevents adequate buffering of dirty data to allow > formation of large contiguous regions of data in memory. > > This post-EOF block allocation is accounted identically to blocks within > EOF. It is visible in 'st_blocks' counts via stat() system calls, > accounted as globally allocated space and against quotas that apply to > the associated file. The space is reported by various userspace > utilities (stat, du, df, ls) and thus provides a common source of > confusion for administrators. Post-EOF blocks are temporary in most > situations and are usually reclaimed via several possible mechanisms in > XFS. "usually reclaimed" - is it ever "never" reclaimed, then? > See the FAQ entry on speculative preallocation for details. > > Q: What is speculative preallocation? > > A: > > XFS speculatively preallocates post-EOF blocks on file extending writes > in anticipation of future extending writes. The size of a preallocation > is dynamic and depends on the runtime state of the file and fs. > Generally speaking, preallocation is disabled for very small files and > preallocation sizes grow as files grow larger. > > Preallocations are capped to the maximum extent size supported by the > filesystem. Preallocation size is throttled automatically as the > filesystem approaches low free space conditions or other allocation > limits on a file (such as a quota). > > In most cases, speculative preallocation is automatically reclaimed when > a file is closed. Preallocation may also persist beyond the lifecycle of > the file descriptor. Certain application behaviors that are known to > cause fragmentation, such as file server workloads, slowly growing > files, etc., benefit from this and delay the removal of preallocated > blocks beyond fd close. this is a little handwavy. "It's reclaimed when it's closed, except when it's not?" Can we say something more informative here? > Q: How can I speed up or avoid delayed removal of speculative > preallocation? > > A: > > Remove the inode from the VFS cache or unmount the filesystem to remove > speculative preallocations associated with an inode. How does a user remove an inode from the VFS cache? ;) So far the answer to this question sounds like "no." We can't remove a single inode; drop_caches is way too heavy weight, and unmount isn't really viable in most cases. > Linux 3.8 (and later) includes a scanner to perform background trimming > of files with lingering post-EOF preallocations. The scanner bypasses > dirty files to avoid interference with ongoing writes. A 5 minute scan > interval is used by default and can be adjusted via the following file > (value in seconds): > > /proc/sys/fs/xfs/speculative_prealloc_lifetime > > Q: Is speculative preallocation permanent? > > A: > > Although speculative preallocation can lead to reports of excess space > usage, the preallocated space is not permanent unless explicitly made so > via fallocate or a similar interface. Preallocated space can also be > encoded permanently in situations where file size is extended beyond a > range of post-EOF blocks (i.e., via truncate). Otherwise, preallocated (maybe "an extending truncate") > blocks are reclaimed on file close, inode reclaim, unmount or in the > background once file write activity subsides. > > Q: My workload has known characteristics - can I tune speculative > preallocation to an optimal fixed size? > > A: > > The 'allocsize=' mount option configures the XFS block allocation > algorithm to use a fixed allocation size. Speculative preallocation is > not dynamically resized when the allocsize mount option is set and thus > the potential for fragmentation is increased. XFS historically set > allocsize to 64k by default. Thanks, -Eric From arekm@maven.pl Mon Apr 7 14:09:08 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 1392F7F82 for ; Mon, 7 Apr 2014 14:09:08 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id 9C3FCAC00E for ; Mon, 7 Apr 2014 12:09:04 -0700 (PDT) X-ASG-Debug-ID: 1396897741-04bdf05dabdb3220001-NocioJ Received: from mail-ee0-f41.google.com (mail-ee0-f41.google.com [74.125.83.41]) by cuda.sgi.com with ESMTP id C96AIXNdRnakycc8 (version=TLSv1 cipher=RC4-SHA bits=128 verify=NO) for ; Mon, 07 Apr 2014 12:09:02 -0700 (PDT) X-Barracuda-Envelope-From: arekm@maven.pl X-Barracuda-Apparent-Source-IP: 74.125.83.41 Received: by mail-ee0-f41.google.com with SMTP id t10so25325eei.0 for ; Mon, 07 Apr 2014 12:09:01 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=maven.pl; s=maven; h=from:to:subject:date:user-agent:references:in-reply-to:mime-version :content-type:content-transfer-encoding:message-id; bh=g6ScF/qZDGqln96UkWoz8j7wLfvDWlU29SD8NHeILCc=; b=F8No2Ld48G546aplBlg26+ywo6GKeOYJO/p8DXGwFIvcKKrBxIV03xuK/xNzRtIMzw NKxhmM4ssU7UgPU3Exs/Jg/53rHbytckO1XbB+14964fy2LUljvS/IUCQU0DyIEnvdzp SktlnMo/qrzRNgEJYSnxlL5NfbFzWROl6BABY= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:subject:date:user-agent:references :in-reply-to:mime-version:content-type:content-transfer-encoding :message-id; bh=g6ScF/qZDGqln96UkWoz8j7wLfvDWlU29SD8NHeILCc=; b=U9Km9HowwUXjieOyQvma603wfwXj6uNxGAWz91bNsIl2tEQaCm8e/gH3Vw7e0FJYUF QT9uBvBRWVjJGFDq/gl+3x4TQcX+eN1+CAm7Am00qnCIj5TfTnCYp6DWcxmzoPFcbHF9 CLafI82ynoQB39b1jOZTT3jXZHV7qpSYgaeGpSIVpU4MSGlQBCs9VUgMJBc1m6EV32V6 Oly1mLqp6uhYlkITx/zVf4/JpI4hKwhjw4ApfM5bVob0skGWl5BBFvQLVkxyqSWc8OFg ExWRruDj/KDbRTUtuF/GnVC+nBmTJyePtvOhJhLrCtC/zJXfrjKdF67MCvqb/VRtsM9N +FBw== X-Gm-Message-State: ALoCoQklasNs89QfX0Zot22hFBec28qVivJPEYnZlBotWOo4IoOc3J8NlEoc0mY/SKSqSmChE/YV X-Received: by 10.14.87.7 with SMTP id x7mr4611569eee.44.1396897740901; Mon, 07 Apr 2014 12:09:00 -0700 (PDT) Received: from t400.localnet (89-65-189-48.dynamic.chello.pl. [89.65.189.48]) by mx.google.com with ESMTPSA id y7sm43589377eev.5.2014.04.07.12.09.00 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 07 Apr 2014 12:09:00 -0700 (PDT) From: Arkadiusz =?utf-8?q?Mi=C5=9Bkiewicz?= To: xfs@oss.sgi.com Subject: Re: [FAQ v2] XFS speculative preallocation Date: Mon, 7 Apr 2014 21:08:59 +0200 X-ASG-Orig-Subj: Re: [FAQ v2] XFS speculative preallocation User-Agent: KMail/1.13.7 (Linux/3.14.0-final-dirty; KDE/4.12.3; x86_64; ; ) References: <20140407153906.GC48184@bfoster.bfoster> In-Reply-To: <20140407153906.GC48184@bfoster.bfoster> MIME-Version: 1.0 Content-Type: Text/Plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <201404072108.59322.arekm@maven.pl> X-Barracuda-Connect: mail-ee0-f41.google.com[74.125.83.41] X-Barracuda-Start-Time: 1396897742 X-Barracuda-Encrypted: RC4-SHA X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=DKIM_SIGNED, DKIM_VERIFIED X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4662 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- -0.00 DKIM_VERIFIED Domain Keys Identified Mail: signature passes verification 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature On Monday 07 of April 2014, Brian Foster wrote: > Q: How can I speed up or avoid delayed removal of speculative > preallocation? >=20 > A: >=20 > Remove the inode from the VFS cache or unmount the filesystem to remove > speculative preallocations associated with an inode. "Remove all inodes from the VFS cache" + ? AFAIK there is no way to remove= =20 single inode from cache. Example would be nice, too. =2D-=20 Arkadiusz Mi=C5=9Bkiewicz, arekm / maven.pl From bfoster@redhat.com Mon Apr 7 14:56:10 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id BDB757F6D for ; Mon, 7 Apr 2014 14:56:10 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id 470B6AC013 for ; Mon, 7 Apr 2014 12:56:09 -0700 (PDT) X-ASG-Debug-ID: 1396900568-04bdf05dacdb6e70001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id NBR1dO2fxLJXeRLz for ; Mon, 07 Apr 2014 12:56:08 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx13.intmail.prod.int.phx2.redhat.com (int-mx13.intmail.prod.int.phx2.redhat.com [10.5.11.26]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s37Ju7cC027674 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Mon, 7 Apr 2014 15:56:08 -0400 Received: from bfoster.bfoster ([10.18.41.237]) by int-mx13.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s37Ju6VQ001497; Mon, 7 Apr 2014 15:56:06 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id CAC7D1256CC; Mon, 7 Apr 2014 15:56:04 -0400 (EDT) Date: Mon, 7 Apr 2014 15:56:04 -0400 From: Brian Foster To: Eric Sandeen Cc: xfs@oss.sgi.com Subject: Re: [FAQ v2] XFS speculative preallocation Message-ID: <20140407195604.GD48184@bfoster.bfoster> X-ASG-Orig-Subj: Re: [FAQ v2] XFS speculative preallocation References: <20140407153906.GC48184@bfoster.bfoster> <5342F7AF.9040507@sandeen.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <5342F7AF.9040507@sandeen.net> User-Agent: Mutt/1.5.21 (2010-09-15) X-Scanned-By: MIMEDefang 2.68 on 10.5.11.26 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1396900568 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Mon, Apr 07, 2014 at 02:08:31PM -0500, Eric Sandeen wrote: > On 4/7/14, 10:39 AM, Brian Foster wrote: > > Hi all, > > > > This is v2 of the speculative preallocation FAQ bits. The initial > > proposal was here: > > > > http://oss.sgi.com/archives/xfs/2014-03/msg00316.html > > > > This version includes some updates based on review from arekm and > > dchinner. Most notably, the content has been broken down into a few more > > questions. Unless there are further major changes required, I'll plan to > > post something along these lines to the wiki when my account is > > approved. Thanks for the feedback! > > > > Brian > > > > --- > > > > Q: Why do files on XFS use more data blocks than expected? > > > > A: > > > > The XFS speculative preallocation algorithm allocates extra blocks > > beyond end of file (EOF) to minimise file fragmentation during buffered > > s/minimise/minimize/ > Fixed. > > write workloads. Workloads that benefit from this behaviour include > > slowly growing files, concurrent writers and mixed reader/writer > > workloads. It also provides fragmentation resistence in situations where > > s/resistence/resistance/ > Fixed. > > memory pressure prevents adequate buffering of dirty data to allow > > formation of large contiguous regions of data in memory. > > > > This post-EOF block allocation is accounted identically to blocks within > > EOF. It is visible in 'st_blocks' counts via stat() system calls, > > accounted as globally allocated space and against quotas that apply to > > the associated file. The space is reported by various userspace > > utilities (stat, du, df, ls) and thus provides a common source of > > confusion for administrators. Post-EOF blocks are temporary in most > > situations and are usually reclaimed via several possible mechanisms in > > XFS. > > "usually reclaimed" - is it ever "never" reclaimed, then? > I worded it that way because of the several little corner cases that can turn preallocations permanent. E.g., the extending truncate case and IIRC, an fallocate on an inode means the space won't be trimmed either. > > See the FAQ entry on speculative preallocation for details. > > > > Q: What is speculative preallocation? > > > > A: > > > > XFS speculatively preallocates post-EOF blocks on file extending writes > > in anticipation of future extending writes. The size of a preallocation > > is dynamic and depends on the runtime state of the file and fs. > > Generally speaking, preallocation is disabled for very small files and > > preallocation sizes grow as files grow larger. > > > > Preallocations are capped to the maximum extent size supported by the > > filesystem. Preallocation size is throttled automatically as the > > filesystem approaches low free space conditions or other allocation > > limits on a file (such as a quota). > > > > In most cases, speculative preallocation is automatically reclaimed when > > a file is closed. Preallocation may also persist beyond the lifecycle of > > the file descriptor. Certain application behaviors that are known to > > cause fragmentation, such as file server workloads, slowly growing > > files, etc., benefit from this and delay the removal of preallocated > > blocks beyond fd close. > > this is a little handwavy. "It's reclaimed when it's closed, except > when it's not?" Can we say something more informative here? > This used to say: "In most cases, speculative preallocation is automatically reclaimed when a file is closed. The preallocation may persist after file close if an open, write, close pattern is repeated on a file. In this scenario, post-EOF preallocation is trimmed once the inode is reclaimed from cache or the filesystem unmounted." The point I want to get it across here is simply that the default case is to reclaim on close. The delayed reclaim scenario is the exception based on a heuristic. How about this? "In most cases, speculative preallocation is automatically reclaimed when a file is closed. Applications that repeatedly trigger preallocation and reclaim cycles (e.g., this is common in file server or log file workloads) can cause fragmentation. Therefore, this pattern is detected and causes the preallocation to persist beyond the lifecycle of the file descriptor." > > Q: How can I speed up or avoid delayed removal of speculative > > preallocation? > > > > A: > > > > Remove the inode from the VFS cache or unmount the filesystem to remove > > speculative preallocations associated with an inode. > > How does a user remove an inode from the VFS cache? ;) > > So far the answer to this question sounds like "no." > > We can't remove a single inode; drop_caches is way too heavy weight, > and unmount isn't really viable in most cases. > I guess there's a fine line between informing what mechanisms remove the preallocations and what is potentially recommending people take inappropriate actions to clear preallocated blocks. My initial intent was to simply inform that the traditional post-eof preallocation is not permanent (e.g. "don't worry, in the worst case this space is reclaimed on inode reclaim or umount"). Given that and this is a user FAQ, I'm sympathetic to nuking the "remove from cache" bit. The answer to this question becomes "use the scanner" (as described below) and the bits about reclaim/umount remain referenced indirectly in the answer to the next question. Thoughts? > > Linux 3.8 (and later) includes a scanner to perform background trimming > > of files with lingering post-EOF preallocations. The scanner bypasses > > dirty files to avoid interference with ongoing writes. A 5 minute scan > > interval is used by default and can be adjusted via the following file > > (value in seconds): > > > > /proc/sys/fs/xfs/speculative_prealloc_lifetime > > > > Q: Is speculative preallocation permanent? > > > > A: > > > > Although speculative preallocation can lead to reports of excess space > > usage, the preallocated space is not permanent unless explicitly made so > > via fallocate or a similar interface. Preallocated space can also be > > encoded permanently in situations where file size is extended beyond a > > range of post-EOF blocks (i.e., via truncate). Otherwise, preallocated > > (maybe "an extending truncate") > Ok. Thanks for the feedback. Brian > > blocks are reclaimed on file close, inode reclaim, unmount or in the > > background once file write activity subsides. > > > > Q: My workload has known characteristics - can I tune speculative > > preallocation to an optimal fixed size? > > > > A: > > > > The 'allocsize=' mount option configures the XFS block allocation > > algorithm to use a fixed allocation size. Speculative preallocation is > > not dynamically resized when the allocsize mount option is set and thus > > the potential for fragmentation is increased. XFS historically set > > allocsize to 64k by default. > > Thanks, > -Eric > > _______________________________________________ > xfs mailing list > xfs@oss.sgi.com > http://oss.sgi.com/mailman/listinfo/xfs From bfoster@redhat.com Mon Apr 7 14:58:24 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id A1F077F73 for ; Mon, 7 Apr 2014 14:58:24 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id 7407930404E for ; Mon, 7 Apr 2014 12:58:24 -0700 (PDT) X-ASG-Debug-ID: 1396900703-04bdf05daadb70d0001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id K5mVM2wQcMYhjBAN for ; Mon, 07 Apr 2014 12:58:23 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx12.intmail.prod.int.phx2.redhat.com (int-mx12.intmail.prod.int.phx2.redhat.com [10.5.11.25]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s37JwMWJ000850 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Mon, 7 Apr 2014 15:58:22 -0400 Received: from bfoster.bfoster ([10.18.41.237]) by int-mx12.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s37JwL0G011550; Mon, 7 Apr 2014 15:58:21 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id 4A1E81256CC; Mon, 7 Apr 2014 15:58:20 -0400 (EDT) Date: Mon, 7 Apr 2014 15:58:20 -0400 From: Brian Foster To: Arkadiusz =?utf-8?Q?Mi=C5=9Bkiewicz?= Cc: xfs@oss.sgi.com Subject: Re: [FAQ v2] XFS speculative preallocation Message-ID: <20140407195819.GE48184@bfoster.bfoster> X-ASG-Orig-Subj: Re: [FAQ v2] XFS speculative preallocation References: <20140407153906.GC48184@bfoster.bfoster> <201404072108.59322.arekm@maven.pl> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <201404072108.59322.arekm@maven.pl> User-Agent: Mutt/1.5.21 (2010-09-15) X-Scanned-By: MIMEDefang 2.68 on 10.5.11.25 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1396900703 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Mon, Apr 07, 2014 at 09:08:59PM +0200, Arkadiusz MiÅ›kiewicz wrote: > On Monday 07 of April 2014, Brian Foster wrote: > > > Q: How can I speed up or avoid delayed removal of speculative > > preallocation? > > > > A: > > > > Remove the inode from the VFS cache or unmount the filesystem to remove > > speculative preallocations associated with an inode. > > "Remove all inodes from the VFS cache" + ? AFAIK there is no way to remove > single inode from cache. Example would be nice, too. > Yeah, that's confusing. If people prefer this bit to stay (I prefer to nuke it, as noted in my previous reply), then I'll have to word it more accurately and cautiously. Thanks. Brian > -- > Arkadiusz MiÅ›kiewicz, arekm / maven.pl > > _______________________________________________ > xfs mailing list > xfs@oss.sgi.com > http://oss.sgi.com/mailman/listinfo/xfs From tinguely@sgi.com Mon Apr 7 14:58:44 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=RP_MATCHES_RCVD autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 520D67F87 for ; Mon, 7 Apr 2014 14:58:44 -0500 (CDT) Received: from eagdhcp-232-178.americas.sgi.com (eagdhcp-232-178.americas.sgi.com [128.162.232.178]) by relay2.corp.sgi.com (Postfix) with ESMTP id 14590304053; Mon, 7 Apr 2014 12:58:44 -0700 (PDT) Message-ID: <53430375.3060203@sgi.com> Date: Mon, 07 Apr 2014 14:58:45 -0500 From: Mark Tinguely User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:9.0) Gecko/20120122 Thunderbird/9.0 MIME-Version: 1.0 To: Brian Foster CC: xfs@oss.sgi.com Subject: Re: [FAQ v2] XFS speculative preallocation References: <20140407153906.GC48184@bfoster.bfoster> In-Reply-To: <20140407153906.GC48184@bfoster.bfoster> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit On 04/07/14 10:39, Brian Foster wrote: > Hi all, > > This is v2 of the speculative preallocation FAQ bits. The initial > proposal was here: > > http://oss.sgi.com/archives/xfs/2014-03/msg00316.html > > This version includes some updates based on review from arekm and > dchinner. Most notably, the content has been broken down into a few more > questions. Unless there are further major changes required, I'll plan to > post something along these lines to the wiki when my account is > approved. Thanks for the feedback! > > Brian > > --- > > Q: Why do files on XFS use more data blocks than expected? > > A: > > The XFS speculative preallocation algorithm allocates extra blocks > beyond end of file (EOF) to minimise file fragmentation during buffered ^^^ beyond here and then later adopt post-EOF phrasing. ... > See the FAQ entry on speculative preallocation for details. > > Q: What is speculative preallocation? > > A: > > XFS speculatively preallocates post-EOF blocks on file extending writes > in anticipation of future extending writes. The size of a preallocation > is dynamic and depends on the runtime state of the file and fs. > Generally speaking, preallocation is disabled for very small files and vague what is very small? ^^^ ... > Q: Is speculative preallocation permanent? > > A: > > Although speculative preallocation can lead to reports of excess space > usage, the preallocated space is not permanent unless explicitly made so > via fallocate or a similar interface. Preallocated space can also be > encoded permanently in situations where file size is extended beyond a > range of post-EOF blocks (i.e., via truncate). Otherwise, preallocated > blocks are reclaimed on file close, inode reclaim, unmount or in the > background once file write activity subsides. Switch order? Normally, preallocated blocks are reclaimed on file close, inode reclaim, unmount or in the background once file write activity subsides. They can be explictly made permanent . > > Q: My workload has known characteristics - can I tune speculative > preallocation to an optimal fixed size? > > A: > > The 'allocsize=' mount option configures the XFS block allocation > algorithm to use a fixed allocation size. Speculative preallocation is > not dynamically resized when the allocsize mount option is set and thus > the potential for fragmentation is increased. XFS historically set sets the > allocsize to 64k by default. > Q: Can I disable S-P-A ? -Mark. From sandeen@sandeen.net Mon Apr 7 14:59:09 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id AE5387F8E for ; Mon, 7 Apr 2014 14:59:09 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 9B6638F8039 for ; Mon, 7 Apr 2014 12:59:09 -0700 (PDT) X-ASG-Debug-ID: 1396900748-04cb6c5677d88bb0001-NocioJ Received: from sandeen.net (sandeen.net [63.231.237.45]) by cuda.sgi.com with ESMTP id YgEo58BhbFhK08B2 for ; Mon, 07 Apr 2014 12:59:08 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@sandeen.net X-Barracuda-Apparent-Source-IP: 63.231.237.45 Received: by sandeen.net (Postfix, from userid 500) id 34F4B61D1A46; Mon, 7 Apr 2014 14:59:08 -0500 (CDT) From: Eric Sandeen To: xfs@oss.sgi.com Subject: [PATCH 07/19] xfs: remove unused args from xfs_alloc_buftarg() Date: Mon, 7 Apr 2014 14:58:54 -0500 X-ASG-Orig-Subj: [PATCH 07/19] xfs: remove unused args from xfs_alloc_buftarg() Message-Id: <1396900746-22201-8-git-send-email-sandeen@redhat.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1396900746-22201-1-git-send-email-sandeen@redhat.com> References: <1396900746-22201-1-git-send-email-sandeen@redhat.com> X-Barracuda-Connect: sandeen.net[63.231.237.45] X-Barracuda-Start-Time: 1396900748 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4664 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- Signed-off-by: Eric Sandeen --- fs/xfs/xfs_buf.c | 4 +--- fs/xfs/xfs_buf.h | 2 +- fs/xfs/xfs_super.c | 8 +++----- 3 files changed, 5 insertions(+), 9 deletions(-) diff --git a/fs/xfs/xfs_buf.c b/fs/xfs/xfs_buf.c index 03742ea..3b48a57 100644 --- a/fs/xfs/xfs_buf.c +++ b/fs/xfs/xfs_buf.c @@ -1636,9 +1636,7 @@ xfs_setsize_buftarg_early( xfs_buftarg_t * xfs_alloc_buftarg( struct xfs_mount *mp, - struct block_device *bdev, - int external, - const char *fsname) + struct block_device *bdev) { xfs_buftarg_t *btp; diff --git a/fs/xfs/xfs_buf.h b/fs/xfs/xfs_buf.h index 0aee9b8..f10e8c9 100644 --- a/fs/xfs/xfs_buf.h +++ b/fs/xfs/xfs_buf.h @@ -373,7 +373,7 @@ static inline void xfs_buf_relse(xfs_buf_t *bp) * Handling of buftargs. */ extern xfs_buftarg_t *xfs_alloc_buftarg(struct xfs_mount *, - struct block_device *, int, const char *); + struct block_device *); extern void xfs_free_buftarg(struct xfs_mount *, struct xfs_buftarg *); extern void xfs_wait_buftarg(xfs_buftarg_t *); extern int xfs_setsize_buftarg(xfs_buftarg_t *, unsigned int); diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c index c10197e..20b2ddf 100644 --- a/fs/xfs/xfs_super.c +++ b/fs/xfs/xfs_super.c @@ -765,20 +765,18 @@ xfs_open_devices( * Setup xfs_mount buffer target pointers */ error = ENOMEM; - mp->m_ddev_targp = xfs_alloc_buftarg(mp, ddev, 0, mp->m_fsname); + mp->m_ddev_targp = xfs_alloc_buftarg(mp, ddev); if (!mp->m_ddev_targp) goto out_close_rtdev; if (rtdev) { - mp->m_rtdev_targp = xfs_alloc_buftarg(mp, rtdev, 1, - mp->m_fsname); + mp->m_rtdev_targp = xfs_alloc_buftarg(mp, rtdev); if (!mp->m_rtdev_targp) goto out_free_ddev_targ; } if (logdev && logdev != ddev) { - mp->m_logdev_targp = xfs_alloc_buftarg(mp, logdev, 1, - mp->m_fsname); + mp->m_logdev_targp = xfs_alloc_buftarg(mp, logdev); if (!mp->m_logdev_targp) goto out_free_rtdev_targ; } else { -- 1.7.1 From sandeen@sandeen.net Mon Apr 7 14:59:10 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 08C197F8E for ; Mon, 7 Apr 2014 14:59:10 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 824FBAC013 for ; Mon, 7 Apr 2014 12:59:09 -0700 (PDT) X-ASG-Debug-ID: 1396900747-04cb6c5675d88b90001-NocioJ Received: from sandeen.net (sandeen.net [63.231.237.45]) by cuda.sgi.com with ESMTP id C6w7exS2Vhbk7BvM for ; Mon, 07 Apr 2014 12:59:07 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@sandeen.net X-Barracuda-Apparent-Source-IP: 63.231.237.45 Received: by sandeen.net (Postfix, from userid 500) id B0DAD63C77A3; Mon, 7 Apr 2014 14:59:07 -0500 (CDT) From: Eric Sandeen To: xfs@oss.sgi.com Subject: [PATCH 00/19] xfs: remove a bunch of unused function args Date: Mon, 7 Apr 2014 14:58:47 -0500 X-ASG-Orig-Subj: [PATCH 00/19] xfs: remove a bunch of unused function args Message-Id: <1396900746-22201-1-git-send-email-sandeen@redhat.com> X-Mailer: git-send-email 1.7.1 X-Barracuda-Connect: sandeen.net[63.231.237.45] X-Barracuda-Start-Time: 1396900747 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4664 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- I did some mindless work during a plane ride. ;) If the granularity of these patches is just too much, I could certainly collapse them into fewer, bigger patches, but I figured that this would make them super-trivial to review. Most have no interesting commit messages aside from the subject, because the subject says it all. Compile-tested only, TBH. Thanks, -Eric From sandeen@sandeen.net Mon Apr 7 14:59:10 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 18D307F91 for ; Mon, 7 Apr 2014 14:59:10 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id E98C6304039 for ; Mon, 7 Apr 2014 12:59:09 -0700 (PDT) X-ASG-Debug-ID: 1396900748-04cbb054b8b993c0001-NocioJ Received: from sandeen.net (sandeen.net [63.231.237.45]) by cuda.sgi.com with ESMTP id 3HaZnuHMV5QIIXN5 for ; Mon, 07 Apr 2014 12:59:08 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@sandeen.net X-Barracuda-Apparent-Source-IP: 63.231.237.45 Received: by sandeen.net (Postfix, from userid 500) id 44ACF61D1A47; Mon, 7 Apr 2014 14:59:08 -0500 (CDT) From: Eric Sandeen To: xfs@oss.sgi.com Subject: [PATCH 08/19] xfs: remove unused flags arg from _xfs_buf_get_pages() Date: Mon, 7 Apr 2014 14:58:55 -0500 X-ASG-Orig-Subj: [PATCH 08/19] xfs: remove unused flags arg from _xfs_buf_get_pages() Message-Id: <1396900746-22201-9-git-send-email-sandeen@redhat.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1396900746-22201-1-git-send-email-sandeen@redhat.com> References: <1396900746-22201-1-git-send-email-sandeen@redhat.com> X-Barracuda-Connect: sandeen.net[63.231.237.45] X-Barracuda-Start-Time: 1396900748 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4664 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- Signed-off-by: Eric Sandeen --- fs/xfs/xfs_buf.c | 9 ++++----- 1 files changed, 4 insertions(+), 5 deletions(-) diff --git a/fs/xfs/xfs_buf.c b/fs/xfs/xfs_buf.c index 3b48a57..2423741 100644 --- a/fs/xfs/xfs_buf.c +++ b/fs/xfs/xfs_buf.c @@ -216,8 +216,7 @@ _xfs_buf_alloc( STATIC int _xfs_buf_get_pages( xfs_buf_t *bp, - int page_count, - xfs_buf_flags_t flags) + int page_count) { /* Make sure that we have a page list */ if (bp->b_pages == NULL) { @@ -330,7 +329,7 @@ use_alloc_page: end = (BBTOB(bp->b_maps[0].bm_bn + bp->b_length) + PAGE_SIZE - 1) >> PAGE_SHIFT; page_count = end - start; - error = _xfs_buf_get_pages(bp, page_count, flags); + error = _xfs_buf_get_pages(bp, page_count); if (unlikely(error)) return error; @@ -767,7 +766,7 @@ xfs_buf_associate_memory( bp->b_pages = NULL; bp->b_addr = mem; - rval = _xfs_buf_get_pages(bp, page_count, 0); + rval = _xfs_buf_get_pages(bp, page_count); if (rval) return rval; @@ -800,7 +799,7 @@ xfs_buf_get_uncached( goto fail; page_count = PAGE_ALIGN(numblks << BBSHIFT) >> PAGE_SHIFT; - error = _xfs_buf_get_pages(bp, page_count, 0); + error = _xfs_buf_get_pages(bp, page_count); if (error) goto fail_free_buf; -- 1.7.1 From sandeen@sandeen.net Mon Apr 7 14:59:13 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 1FE2A7F92 for ; Mon, 7 Apr 2014 14:59:10 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 82740AC014 for ; Mon, 7 Apr 2014 12:59:09 -0700 (PDT) X-ASG-Debug-ID: 1396900747-04cb6c5677d88ba0001-NocioJ Received: from sandeen.net (sandeen.net [63.231.237.45]) by cuda.sgi.com with ESMTP id dZlgVuVHrZpq1rEV for ; Mon, 07 Apr 2014 12:59:08 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@sandeen.net X-Barracuda-Apparent-Source-IP: 63.231.237.45 Received: by sandeen.net (Postfix, from userid 500) id E2FDA63C3B1D; Mon, 7 Apr 2014 14:59:07 -0500 (CDT) From: Eric Sandeen To: xfs@oss.sgi.com Subject: [PATCH 03/19] xfs: remove unused mp arg from xfs_bmdr_maxrecs() Date: Mon, 7 Apr 2014 14:58:50 -0500 X-ASG-Orig-Subj: [PATCH 03/19] xfs: remove unused mp arg from xfs_bmdr_maxrecs() Message-Id: <1396900746-22201-4-git-send-email-sandeen@redhat.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1396900746-22201-1-git-send-email-sandeen@redhat.com> References: <1396900746-22201-1-git-send-email-sandeen@redhat.com> X-Barracuda-Connect: sandeen.net[63.231.237.45] X-Barracuda-Start-Time: 1396900747 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4664 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- Signed-off-by: Eric Sandeen --- fs/xfs/xfs_bmap.c | 2 +- fs/xfs/xfs_bmap_btree.c | 8 +++----- fs/xfs/xfs_bmap_btree.h | 2 +- 3 files changed, 5 insertions(+), 7 deletions(-) diff --git a/fs/xfs/xfs_bmap.c b/fs/xfs/xfs_bmap.c index b308097..eeb673b 100644 --- a/fs/xfs/xfs_bmap.c +++ b/fs/xfs/xfs_bmap.c @@ -94,7 +94,7 @@ xfs_bmap_compute_maxlevels( maxleafents = MAXAEXTNUM; sz = XFS_BMDR_SPACE_CALC(MINABTPTRS); } - maxrootrecs = xfs_bmdr_maxrecs(mp, sz, 0); + maxrootrecs = xfs_bmdr_maxrecs(sz, 0); minleafrecs = mp->m_bmap_dmnr[0]; minnoderecs = mp->m_bmap_dmnr[1]; maxblocks = (maxleafents + minleafrecs - 1) / minleafrecs; diff --git a/fs/xfs/xfs_bmap_btree.c b/fs/xfs/xfs_bmap_btree.c index 706bc3f..a9d6b7b 100644 --- a/fs/xfs/xfs_bmap_btree.c +++ b/fs/xfs/xfs_bmap_btree.c @@ -84,7 +84,7 @@ xfs_bmdr_to_bmbt( rblock->bb_level = dblock->bb_level; ASSERT(be16_to_cpu(rblock->bb_level) > 0); rblock->bb_numrecs = dblock->bb_numrecs; - dmxr = xfs_bmdr_maxrecs(mp, dblocklen, 0); + dmxr = xfs_bmdr_maxrecs(dblocklen, 0); fkp = XFS_BMDR_KEY_ADDR(dblock, 1); tkp = XFS_BMBT_KEY_ADDR(mp, rblock, 1); fpp = XFS_BMDR_PTR_ADDR(dblock, 1, dmxr); @@ -443,7 +443,7 @@ xfs_bmbt_to_bmdr( ASSERT(rblock->bb_level != 0); dblock->bb_level = rblock->bb_level; dblock->bb_numrecs = rblock->bb_numrecs; - dmxr = xfs_bmdr_maxrecs(mp, dblocklen, 0); + dmxr = xfs_bmdr_maxrecs(dblocklen, 0); fkp = XFS_BMBT_KEY_ADDR(mp, rblock, 1); tkp = XFS_BMDR_KEY_ADDR(dblock, 1); fpp = XFS_BMAP_BROOT_PTR_ADDR(mp, rblock, 1, rblocklen); @@ -672,8 +672,7 @@ xfs_bmbt_get_dmaxrecs( { if (level != cur->bc_nlevels - 1) return cur->bc_mp->m_bmap_dmxr[level != 0]; - return xfs_bmdr_maxrecs(cur->bc_mp, cur->bc_private.b.forksize, - level == 0); + return xfs_bmdr_maxrecs(cur->bc_private.b.forksize, level == 0); } STATIC void @@ -914,7 +913,6 @@ xfs_bmbt_maxrecs( */ int xfs_bmdr_maxrecs( - struct xfs_mount *mp, int blocklen, int leaf) { diff --git a/fs/xfs/xfs_bmap_btree.h b/fs/xfs/xfs_bmap_btree.h index 6e42e1e..819a8a4 100644 --- a/fs/xfs/xfs_bmap_btree.h +++ b/fs/xfs/xfs_bmap_btree.h @@ -130,7 +130,7 @@ extern void xfs_bmbt_to_bmdr(struct xfs_mount *, struct xfs_btree_block *, int, xfs_bmdr_block_t *, int); extern int xfs_bmbt_get_maxrecs(struct xfs_btree_cur *, int level); -extern int xfs_bmdr_maxrecs(struct xfs_mount *, int blocklen, int leaf); +extern int xfs_bmdr_maxrecs(int blocklen, int leaf); extern int xfs_bmbt_maxrecs(struct xfs_mount *, int blocklen, int leaf); extern int xfs_bmbt_change_owner(struct xfs_trans *tp, struct xfs_inode *ip, -- 1.7.1 From sandeen@sandeen.net Mon Apr 7 14:59:13 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 48A437F8E for ; Mon, 7 Apr 2014 14:59:10 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id 053E430404E for ; Mon, 7 Apr 2014 12:59:09 -0700 (PDT) X-ASG-Debug-ID: 1396900747-04bdf05dabdb71d0001-NocioJ Received: from sandeen.net (sandeen.net [63.231.237.45]) by cuda.sgi.com with ESMTP id QDH1PXbbo1Cs7lwf for ; Mon, 07 Apr 2014 12:59:08 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@sandeen.net X-Barracuda-Apparent-Source-IP: 63.231.237.45 Received: by sandeen.net (Postfix, from userid 500) id C46E463C77A8; Mon, 7 Apr 2014 14:59:07 -0500 (CDT) From: Eric Sandeen To: xfs@oss.sgi.com Subject: [PATCH 01/19] xfs: remove unused tp arg from xfs_bmap_last_offset() and callers Date: Mon, 7 Apr 2014 14:58:48 -0500 X-ASG-Orig-Subj: [PATCH 01/19] xfs: remove unused tp arg from xfs_bmap_last_offset() and callers Message-Id: <1396900746-22201-2-git-send-email-sandeen@redhat.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1396900746-22201-1-git-send-email-sandeen@redhat.com> References: <1396900746-22201-1-git-send-email-sandeen@redhat.com> X-Barracuda-Connect: sandeen.net[63.231.237.45] X-Barracuda-Start-Time: 1396900748 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4664 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- remove unused transaction pointer from various callchains leading to xfs_bmap_last_offset(). Signed-off-by: Eric Sandeen --- fs/xfs/xfs_bmap.c | 1 - fs/xfs/xfs_bmap.h | 4 ++-- fs/xfs/xfs_dir2.c | 26 ++++++++++++-------------- fs/xfs/xfs_dir2.h | 4 ++-- fs/xfs/xfs_dir2_leaf.c | 2 +- fs/xfs/xfs_dir2_node.c | 2 +- fs/xfs/xfs_dir2_readdir.c | 2 +- fs/xfs/xfs_iomap.c | 2 +- 8 files changed, 20 insertions(+), 23 deletions(-) diff --git a/fs/xfs/xfs_bmap.c b/fs/xfs/xfs_bmap.c index 152543c..b308097 100644 --- a/fs/xfs/xfs_bmap.c +++ b/fs/xfs/xfs_bmap.c @@ -1675,7 +1675,6 @@ xfs_bmap_isaeof( */ int xfs_bmap_last_offset( - struct xfs_trans *tp, struct xfs_inode *ip, xfs_fileoff_t *last_block, int whichfork) diff --git a/fs/xfs/xfs_bmap.h b/fs/xfs/xfs_bmap.h index 33b41f3..52ad38d 100644 --- a/fs/xfs/xfs_bmap.h +++ b/fs/xfs/xfs_bmap.h @@ -146,8 +146,8 @@ int xfs_bmap_first_unused(struct xfs_trans *tp, struct xfs_inode *ip, xfs_extlen_t len, xfs_fileoff_t *unused, int whichfork); int xfs_bmap_last_before(struct xfs_trans *tp, struct xfs_inode *ip, xfs_fileoff_t *last_block, int whichfork); -int xfs_bmap_last_offset(struct xfs_trans *tp, struct xfs_inode *ip, - xfs_fileoff_t *unused, int whichfork); +int xfs_bmap_last_offset(struct xfs_inode *ip, xfs_fileoff_t *unused, + int whichfork); int xfs_bmap_one_block(struct xfs_inode *ip, int whichfork); int xfs_bmap_read_extents(struct xfs_trans *tp, struct xfs_inode *ip, int whichfork); diff --git a/fs/xfs/xfs_dir2.c b/fs/xfs/xfs_dir2.c index ce16ef0..7575a3b 100644 --- a/fs/xfs/xfs_dir2.c +++ b/fs/xfs/xfs_dir2.c @@ -230,11 +230,11 @@ xfs_dir_createname( if (dp->i_d.di_format == XFS_DINODE_FMT_LOCAL) rval = xfs_dir2_sf_addname(&args); - else if ((rval = xfs_dir2_isblock(tp, dp, &v))) + else if ((rval = xfs_dir2_isblock(dp, &v))) return rval; else if (v) rval = xfs_dir2_block_addname(&args); - else if ((rval = xfs_dir2_isleaf(tp, dp, &v))) + else if ((rval = xfs_dir2_isleaf(dp, &v))) return rval; else if (v) rval = xfs_dir2_leaf_addname(&args); @@ -303,11 +303,11 @@ xfs_dir_lookup( if (dp->i_d.di_format == XFS_DINODE_FMT_LOCAL) rval = xfs_dir2_sf_lookup(&args); - else if ((rval = xfs_dir2_isblock(tp, dp, &v))) + else if ((rval = xfs_dir2_isblock(dp, &v))) return rval; else if (v) rval = xfs_dir2_block_lookup(&args); - else if ((rval = xfs_dir2_isleaf(tp, dp, &v))) + else if ((rval = xfs_dir2_isleaf(dp, &v))) return rval; else if (v) rval = xfs_dir2_leaf_lookup(&args); @@ -360,11 +360,11 @@ xfs_dir_removename( if (dp->i_d.di_format == XFS_DINODE_FMT_LOCAL) rval = xfs_dir2_sf_removename(&args); - else if ((rval = xfs_dir2_isblock(tp, dp, &v))) + else if ((rval = xfs_dir2_isblock(dp, &v))) return rval; else if (v) rval = xfs_dir2_block_removename(&args); - else if ((rval = xfs_dir2_isleaf(tp, dp, &v))) + else if ((rval = xfs_dir2_isleaf(dp, &v))) return rval; else if (v) rval = xfs_dir2_leaf_removename(&args); @@ -410,11 +410,11 @@ xfs_dir_replace( if (dp->i_d.di_format == XFS_DINODE_FMT_LOCAL) rval = xfs_dir2_sf_replace(&args); - else if ((rval = xfs_dir2_isblock(tp, dp, &v))) + else if ((rval = xfs_dir2_isblock(dp, &v))) return rval; else if (v) rval = xfs_dir2_block_replace(&args); - else if ((rval = xfs_dir2_isleaf(tp, dp, &v))) + else if ((rval = xfs_dir2_isleaf(dp, &v))) return rval; else if (v) rval = xfs_dir2_leaf_replace(&args); @@ -456,11 +456,11 @@ xfs_dir_canenter( if (dp->i_d.di_format == XFS_DINODE_FMT_LOCAL) rval = xfs_dir2_sf_addname(&args); - else if ((rval = xfs_dir2_isblock(tp, dp, &v))) + else if ((rval = xfs_dir2_isblock(dp, &v))) return rval; else if (v) rval = xfs_dir2_block_addname(&args); - else if ((rval = xfs_dir2_isleaf(tp, dp, &v))) + else if ((rval = xfs_dir2_isleaf(dp, &v))) return rval; else if (v) rval = xfs_dir2_leaf_addname(&args); @@ -525,7 +525,6 @@ xfs_dir2_grow_inode( */ int xfs_dir2_isblock( - xfs_trans_t *tp, xfs_inode_t *dp, int *vp) /* out: 1 is block, 0 is not block */ { @@ -534,7 +533,7 @@ xfs_dir2_isblock( int rval; mp = dp->i_mount; - if ((rval = xfs_bmap_last_offset(tp, dp, &last, XFS_DATA_FORK))) + if ((rval = xfs_bmap_last_offset(dp, &last, XFS_DATA_FORK))) return rval; rval = XFS_FSB_TO_B(mp, last) == mp->m_dirblksize; ASSERT(rval == 0 || dp->i_d.di_size == mp->m_dirblksize); @@ -547,7 +546,6 @@ xfs_dir2_isblock( */ int xfs_dir2_isleaf( - xfs_trans_t *tp, xfs_inode_t *dp, int *vp) /* out: 1 is leaf, 0 is not leaf */ { @@ -556,7 +554,7 @@ xfs_dir2_isleaf( int rval; mp = dp->i_mount; - if ((rval = xfs_bmap_last_offset(tp, dp, &last, XFS_DATA_FORK))) + if ((rval = xfs_bmap_last_offset(dp, &last, XFS_DATA_FORK))) return rval; *vp = last == mp->m_dirleafblk + (1 << mp->m_sb.sb_dirblklog); return 0; diff --git a/fs/xfs/xfs_dir2.h b/fs/xfs/xfs_dir2.h index cec70e0..64a6b19 100644 --- a/fs/xfs/xfs_dir2.h +++ b/fs/xfs/xfs_dir2.h @@ -142,8 +142,8 @@ extern int xfs_dir2_sf_to_block(struct xfs_da_args *args); /* * Interface routines used by userspace utilities */ -extern int xfs_dir2_isblock(struct xfs_trans *tp, struct xfs_inode *dp, int *r); -extern int xfs_dir2_isleaf(struct xfs_trans *tp, struct xfs_inode *dp, int *r); +extern int xfs_dir2_isblock(struct xfs_inode *dp, int *r); +extern int xfs_dir2_isleaf(struct xfs_inode *dp, int *r); extern int xfs_dir2_shrink_inode(struct xfs_da_args *args, xfs_dir2_db_t db, struct xfs_buf *bp); diff --git a/fs/xfs/xfs_dir2_leaf.c b/fs/xfs/xfs_dir2_leaf.c index ae47ec6..f8170bc 100644 --- a/fs/xfs/xfs_dir2_leaf.c +++ b/fs/xfs/xfs_dir2_leaf.c @@ -1707,7 +1707,7 @@ xfs_dir2_node_to_leaf( /* * Get the last offset in the file. */ - if ((error = xfs_bmap_last_offset(tp, dp, &fo, XFS_DATA_FORK))) { + if ((error = xfs_bmap_last_offset(dp, &fo, XFS_DATA_FORK))) { return error; } fo -= mp->m_dirblkfsbs; diff --git a/fs/xfs/xfs_dir2_node.c b/fs/xfs/xfs_dir2_node.c index 48c7d18..807946d 100644 --- a/fs/xfs/xfs_dir2_node.c +++ b/fs/xfs/xfs_dir2_node.c @@ -1726,7 +1726,7 @@ xfs_dir2_node_addname_int( if (dbno == -1) { xfs_fileoff_t fo; /* freespace block number */ - if ((error = xfs_bmap_last_offset(tp, dp, &fo, XFS_DATA_FORK))) + if ((error = xfs_bmap_last_offset(dp, &fo, XFS_DATA_FORK))) return error; lastfbno = xfs_dir2_da_to_db(mp, (xfs_dablk_t)fo); fbno = ifbno; diff --git a/fs/xfs/xfs_dir2_readdir.c b/fs/xfs/xfs_dir2_readdir.c index aead369..a18000f 100644 --- a/fs/xfs/xfs_dir2_readdir.c +++ b/fs/xfs/xfs_dir2_readdir.c @@ -687,7 +687,7 @@ xfs_readdir( lock_mode = xfs_ilock_data_map_shared(dp); if (dp->i_d.di_format == XFS_DINODE_FMT_LOCAL) rval = xfs_dir2_sf_getdents(dp, ctx); - else if ((rval = xfs_dir2_isblock(NULL, dp, &v))) + else if ((rval = xfs_dir2_isblock(dp, &v))) ; else if (v) rval = xfs_dir2_block_getdents(dp, ctx); diff --git a/fs/xfs/xfs_iomap.c b/fs/xfs/xfs_iomap.c index 22d1cbe..2b2739c 100644 --- a/fs/xfs/xfs_iomap.c +++ b/fs/xfs/xfs_iomap.c @@ -734,7 +734,7 @@ xfs_iomap_write_allocate( */ nimaps = 1; end_fsb = XFS_B_TO_FSB(mp, XFS_ISIZE(ip)); - error = xfs_bmap_last_offset(NULL, ip, &last_block, + error = xfs_bmap_last_offset(ip, &last_block, XFS_DATA_FORK); if (error) goto trans_cancel; -- 1.7.1 From sandeen@sandeen.net Mon Apr 7 14:59:14 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 514E67F93 for ; Mon, 7 Apr 2014 14:59:10 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 3E2108F8039 for ; Mon, 7 Apr 2014 12:59:10 -0700 (PDT) X-ASG-Debug-ID: 1396900748-04cb6c5675d88bb0001-NocioJ Received: from sandeen.net (sandeen.net [63.231.237.45]) by cuda.sgi.com with ESMTP id EjuojFhKYweGUbvb for ; Mon, 07 Apr 2014 12:59:09 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@sandeen.net X-Barracuda-Apparent-Source-IP: 63.231.237.45 Received: by sandeen.net (Postfix, from userid 500) id 6E30063BEED7; Mon, 7 Apr 2014 14:59:08 -0500 (CDT) From: Eric Sandeen To: xfs@oss.sgi.com Subject: [PATCH 11/19] xfs: remove unused mp arg from xfs_dir2 dataptr/byte functions Date: Mon, 7 Apr 2014 14:58:58 -0500 X-ASG-Orig-Subj: [PATCH 11/19] xfs: remove unused mp arg from xfs_dir2 dataptr/byte functions Message-Id: <1396900746-22201-12-git-send-email-sandeen@redhat.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1396900746-22201-1-git-send-email-sandeen@redhat.com> References: <1396900746-22201-1-git-send-email-sandeen@redhat.com> X-Barracuda-Connect: sandeen.net[63.231.237.45] X-Barracuda-Start-Time: 1396900748 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4664 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- Signed-off-by: Eric Sandeen --- fs/xfs/xfs_da_format.h | 10 +++++----- fs/xfs/xfs_dir2_block.c | 8 ++++---- fs/xfs/xfs_dir2_readdir.c | 8 ++++---- 3 files changed, 13 insertions(+), 13 deletions(-) diff --git a/fs/xfs/xfs_da_format.h b/fs/xfs/xfs_da_format.h index a19d3f8..1432b57 100644 --- a/fs/xfs/xfs_da_format.h +++ b/fs/xfs/xfs_da_format.h @@ -541,7 +541,7 @@ xfs_dir2_leaf_bests_p(struct xfs_dir2_leaf_tail *ltp) * Convert dataptr to byte in file space */ static inline xfs_dir2_off_t -xfs_dir2_dataptr_to_byte(struct xfs_mount *mp, xfs_dir2_dataptr_t dp) +xfs_dir2_dataptr_to_byte(xfs_dir2_dataptr_t dp) { return (xfs_dir2_off_t)dp << XFS_DIR2_DATA_ALIGN_LOG; } @@ -550,7 +550,7 @@ xfs_dir2_dataptr_to_byte(struct xfs_mount *mp, xfs_dir2_dataptr_t dp) * Convert byte in file space to dataptr. It had better be aligned. */ static inline xfs_dir2_dataptr_t -xfs_dir2_byte_to_dataptr(struct xfs_mount *mp, xfs_dir2_off_t by) +xfs_dir2_byte_to_dataptr(xfs_dir2_off_t by) { return (xfs_dir2_dataptr_t)(by >> XFS_DIR2_DATA_ALIGN_LOG); } @@ -571,7 +571,7 @@ xfs_dir2_byte_to_db(struct xfs_mount *mp, xfs_dir2_off_t by) static inline xfs_dir2_db_t xfs_dir2_dataptr_to_db(struct xfs_mount *mp, xfs_dir2_dataptr_t dp) { - return xfs_dir2_byte_to_db(mp, xfs_dir2_dataptr_to_byte(mp, dp)); + return xfs_dir2_byte_to_db(mp, xfs_dir2_dataptr_to_byte(dp)); } /* @@ -590,7 +590,7 @@ xfs_dir2_byte_to_off(struct xfs_mount *mp, xfs_dir2_off_t by) static inline xfs_dir2_data_aoff_t xfs_dir2_dataptr_to_off(struct xfs_mount *mp, xfs_dir2_dataptr_t dp) { - return xfs_dir2_byte_to_off(mp, xfs_dir2_dataptr_to_byte(mp, dp)); + return xfs_dir2_byte_to_off(mp, xfs_dir2_dataptr_to_byte(dp)); } /* @@ -629,7 +629,7 @@ static inline xfs_dir2_dataptr_t xfs_dir2_db_off_to_dataptr(struct xfs_mount *mp, xfs_dir2_db_t db, xfs_dir2_data_aoff_t o) { - return xfs_dir2_byte_to_dataptr(mp, xfs_dir2_db_off_to_byte(mp, db, o)); + return xfs_dir2_byte_to_dataptr(xfs_dir2_db_off_to_byte(mp, db, o)); } /* diff --git a/fs/xfs/xfs_dir2_block.c b/fs/xfs/xfs_dir2_block.c index 90cdbf4..976842e 100644 --- a/fs/xfs/xfs_dir2_block.c +++ b/fs/xfs/xfs_dir2_block.c @@ -536,7 +536,7 @@ xfs_dir2_block_addname( * Fill in the leaf entry. */ blp[mid].hashval = cpu_to_be32(args->hashval); - blp[mid].address = cpu_to_be32(xfs_dir2_byte_to_dataptr(mp, + blp[mid].address = cpu_to_be32(xfs_dir2_byte_to_dataptr( (char *)dep - (char *)hdr)); xfs_dir2_block_log_leaf(tp, bp, lfloglow, lfloghigh); /* @@ -1169,7 +1169,7 @@ xfs_dir2_sf_to_block( *tagp = cpu_to_be16((char *)dep - (char *)hdr); xfs_dir2_data_log_entry(tp, dp, bp, dep); blp[0].hashval = cpu_to_be32(xfs_dir_hash_dot); - blp[0].address = cpu_to_be32(xfs_dir2_byte_to_dataptr(mp, + blp[0].address = cpu_to_be32(xfs_dir2_byte_to_dataptr( (char *)dep - (char *)hdr)); /* * Create entry for .. @@ -1183,7 +1183,7 @@ xfs_dir2_sf_to_block( *tagp = cpu_to_be16((char *)dep - (char *)hdr); xfs_dir2_data_log_entry(tp, dp, bp, dep); blp[1].hashval = cpu_to_be32(xfs_dir_hash_dotdot); - blp[1].address = cpu_to_be32(xfs_dir2_byte_to_dataptr(mp, + blp[1].address = cpu_to_be32(xfs_dir2_byte_to_dataptr( (char *)dep - (char *)hdr)); offset = dp->d_ops->data_first_offset; /* @@ -1237,7 +1237,7 @@ xfs_dir2_sf_to_block( name.len = sfep->namelen; blp[2 + i].hashval = cpu_to_be32(mp->m_dirnameops-> hashname(&name)); - blp[2 + i].address = cpu_to_be32(xfs_dir2_byte_to_dataptr(mp, + blp[2 + i].address = cpu_to_be32(xfs_dir2_byte_to_dataptr( (char *)dep - (char *)hdr)); offset = (int)((char *)(tagp + 1) - (char *)hdr); if (++i == sfp->count) diff --git a/fs/xfs/xfs_dir2_readdir.c b/fs/xfs/xfs_dir2_readdir.c index a99967b..50b72f7 100644 --- a/fs/xfs/xfs_dir2_readdir.c +++ b/fs/xfs/xfs_dir2_readdir.c @@ -531,7 +531,7 @@ xfs_dir2_leaf_getdents( * Inside the loop we keep the main offset value as a byte offset * in the directory file. */ - curoff = xfs_dir2_dataptr_to_byte(mp, ctx->pos); + curoff = xfs_dir2_dataptr_to_byte(ctx->pos); /* * Force this conversion through db so we truncate the offset @@ -635,7 +635,7 @@ xfs_dir2_leaf_getdents( length = dp->d_ops->data_entsize(dep->namelen); filetype = dp->d_ops->data_get_ftype(dep); - ctx->pos = xfs_dir2_byte_to_dataptr(mp, curoff) & 0x7fffffff; + ctx->pos = xfs_dir2_byte_to_dataptr(curoff) & 0x7fffffff; if (!dir_emit(ctx, (char *)dep->name, dep->namelen, be64_to_cpu(dep->inumber), xfs_dir3_get_dtype(mp, filetype))) @@ -653,10 +653,10 @@ xfs_dir2_leaf_getdents( /* * All done. Set output offset value to current offset. */ - if (curoff > xfs_dir2_dataptr_to_byte(mp, XFS_DIR2_MAX_DATAPTR)) + if (curoff > xfs_dir2_dataptr_to_byte(XFS_DIR2_MAX_DATAPTR)) ctx->pos = XFS_DIR2_MAX_DATAPTR & 0x7fffffff; else - ctx->pos = xfs_dir2_byte_to_dataptr(mp, curoff) & 0x7fffffff; + ctx->pos = xfs_dir2_byte_to_dataptr(curoff) & 0x7fffffff; kmem_free(map_info); if (bp) xfs_trans_brelse(NULL, bp); -- 1.7.1 From sandeen@sandeen.net Mon Apr 7 14:59:15 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 7734F7F96 for ; Mon, 7 Apr 2014 14:59:10 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 09D3FAC015 for ; Mon, 7 Apr 2014 12:59:09 -0700 (PDT) X-ASG-Debug-ID: 1396900748-04cb6c5676d88bb0001-NocioJ Received: from sandeen.net (sandeen.net [63.231.237.45]) by cuda.sgi.com with ESMTP id 8mKjS07FoiFuQpxU for ; Mon, 07 Apr 2014 12:59:09 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@sandeen.net X-Barracuda-Apparent-Source-IP: 63.231.237.45 Received: by sandeen.net (Postfix, from userid 500) id 527E461D1A56; Mon, 7 Apr 2014 14:59:08 -0500 (CDT) From: Eric Sandeen To: xfs@oss.sgi.com Subject: [PATCH 09/19] xfs: remove unused bip arg from xfs_buf_item_log_segment() Date: Mon, 7 Apr 2014 14:58:56 -0500 X-ASG-Orig-Subj: [PATCH 09/19] xfs: remove unused bip arg from xfs_buf_item_log_segment() Message-Id: <1396900746-22201-10-git-send-email-sandeen@redhat.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1396900746-22201-1-git-send-email-sandeen@redhat.com> References: <1396900746-22201-1-git-send-email-sandeen@redhat.com> X-Barracuda-Connect: sandeen.net[63.231.237.45] X-Barracuda-Start-Time: 1396900748 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4664 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- Signed-off-by: Eric Sandeen --- fs/xfs/xfs_buf_item.c | 3 +-- 1 files changed, 1 insertions(+), 2 deletions(-) diff --git a/fs/xfs/xfs_buf_item.c b/fs/xfs/xfs_buf_item.c index 3314911..a5cd696 100644 --- a/fs/xfs/xfs_buf_item.c +++ b/fs/xfs/xfs_buf_item.c @@ -826,7 +826,6 @@ xfs_buf_item_init( */ static void xfs_buf_item_log_segment( - struct xfs_buf_log_item *bip, uint first, uint last, uint *map) @@ -934,7 +933,7 @@ xfs_buf_item_log( if (end > last) end = last; - xfs_buf_item_log_segment(bip, first, end, + xfs_buf_item_log_segment(first, end, &bip->bli_formats[i].blf_data_map[0]); start += bp->b_maps[i].bm_len; -- 1.7.1 From sandeen@sandeen.net Mon Apr 7 14:59:15 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 9177D7F9A for ; Mon, 7 Apr 2014 14:59:10 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 78D618F8054 for ; Mon, 7 Apr 2014 12:59:10 -0700 (PDT) X-ASG-Debug-ID: 1396900748-04cbb054b9b993c0001-NocioJ Received: from sandeen.net (sandeen.net [63.231.237.45]) by cuda.sgi.com with ESMTP id JKlj4AsoRkvcuSkD for ; Mon, 07 Apr 2014 12:59:08 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@sandeen.net X-Barracuda-Apparent-Source-IP: 63.231.237.45 Received: by sandeen.net (Postfix, from userid 500) id 1198863C3A3D; Mon, 7 Apr 2014 14:59:08 -0500 (CDT) From: Eric Sandeen To: xfs@oss.sgi.com Subject: [PATCH 05/19] xfs: remove unused level arg from xfs_btree_read_buf_block() Date: Mon, 7 Apr 2014 14:58:52 -0500 X-ASG-Orig-Subj: [PATCH 05/19] xfs: remove unused level arg from xfs_btree_read_buf_block() Message-Id: <1396900746-22201-6-git-send-email-sandeen@redhat.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1396900746-22201-1-git-send-email-sandeen@redhat.com> References: <1396900746-22201-1-git-send-email-sandeen@redhat.com> X-Barracuda-Connect: sandeen.net[63.231.237.45] X-Barracuda-Start-Time: 1396900748 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4664 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- Signed-off-by: Eric Sandeen --- fs/xfs/xfs_btree.c | 32 +++++++++++++------------------- 1 files changed, 13 insertions(+), 19 deletions(-) diff --git a/fs/xfs/xfs_btree.c b/fs/xfs/xfs_btree.c index 9adaae4..e20d61b 100644 --- a/fs/xfs/xfs_btree.c +++ b/fs/xfs/xfs_btree.c @@ -1161,7 +1161,6 @@ STATIC int xfs_btree_read_buf_block( struct xfs_btree_cur *cur, union xfs_btree_ptr *ptr, - int level, int flags, struct xfs_btree_block **block, struct xfs_buf **bpp) @@ -1519,8 +1518,8 @@ xfs_btree_increment( union xfs_btree_ptr *ptrp; ptrp = xfs_btree_ptr_addr(cur, cur->bc_ptrs[lev], block); - error = xfs_btree_read_buf_block(cur, ptrp, --lev, - 0, &block, &bp); + --lev; + error = xfs_btree_read_buf_block(cur, ptrp, 0, &block, &bp); if (error) goto error0; @@ -1618,8 +1617,8 @@ xfs_btree_decrement( union xfs_btree_ptr *ptrp; ptrp = xfs_btree_ptr_addr(cur, cur->bc_ptrs[lev], block); - error = xfs_btree_read_buf_block(cur, ptrp, --lev, - 0, &block, &bp); + --lev; + error = xfs_btree_read_buf_block(cur, ptrp, 0, &block, &bp); if (error) goto error0; xfs_btree_setbuf(cur, lev, bp); @@ -1669,7 +1668,7 @@ xfs_btree_lookup_get_block( return 0; } - error = xfs_btree_read_buf_block(cur, pp, level, 0, blkp, &bp); + error = xfs_btree_read_buf_block(cur, pp, 0, blkp, &bp); if (error) return error; @@ -2020,7 +2019,7 @@ xfs_btree_lshift( goto out0; /* Set up the left neighbor as "left". */ - error = xfs_btree_read_buf_block(cur, &lptr, level, 0, &left, &lbp); + error = xfs_btree_read_buf_block(cur, &lptr, 0, &left, &lbp); if (error) goto error0; @@ -2204,7 +2203,7 @@ xfs_btree_rshift( goto out0; /* Set up the right neighbor as "right". */ - error = xfs_btree_read_buf_block(cur, &rptr, level, 0, &right, &rbp); + error = xfs_btree_read_buf_block(cur, &rptr, 0, &right, &rbp); if (error) goto error0; @@ -2472,7 +2471,7 @@ xfs_btree_split( * point back to right instead of to left. */ if (!xfs_btree_ptr_is_null(cur, &rrptr)) { - error = xfs_btree_read_buf_block(cur, &rrptr, level, + error = xfs_btree_read_buf_block(cur, &rrptr, 0, &rrblock, &rrbp); if (error) goto error0; @@ -2686,8 +2685,7 @@ xfs_btree_new_root( lbp = bp; xfs_btree_buf_to_ptr(cur, lbp, &lptr); left = block; - error = xfs_btree_read_buf_block(cur, &rptr, - cur->bc_nlevels - 1, 0, &right, &rbp); + error = xfs_btree_read_buf_block(cur, &rptr, 0, &right, &rbp); if (error) goto error0; bp = rbp; @@ -2698,8 +2696,7 @@ xfs_btree_new_root( xfs_btree_buf_to_ptr(cur, rbp, &rptr); right = block; xfs_btree_get_sibling(cur, right, &lptr, XFS_BB_LEFTSIB); - error = xfs_btree_read_buf_block(cur, &lptr, - cur->bc_nlevels - 1, 0, &left, &lbp); + error = xfs_btree_read_buf_block(cur, &lptr, 0, &left, &lbp); if (error) goto error0; bp = lbp; @@ -3651,8 +3648,7 @@ xfs_btree_delrec( rptr = cptr; right = block; rbp = bp; - error = xfs_btree_read_buf_block(cur, &lptr, level, - 0, &left, &lbp); + error = xfs_btree_read_buf_block(cur, &lptr, 0, &left, &lbp); if (error) goto error0; @@ -3669,8 +3665,7 @@ xfs_btree_delrec( lptr = cptr; left = block; lbp = bp; - error = xfs_btree_read_buf_block(cur, &rptr, level, - 0, &right, &rbp); + error = xfs_btree_read_buf_block(cur, &rptr, 0, &right, &rbp); if (error) goto error0; @@ -3742,8 +3737,7 @@ xfs_btree_delrec( /* If there is a right sibling, point it to the remaining block. */ xfs_btree_get_sibling(cur, left, &cptr, XFS_BB_RIGHTSIB); if (!xfs_btree_ptr_is_null(cur, &cptr)) { - error = xfs_btree_read_buf_block(cur, &cptr, level, - 0, &rrblock, &rrbp); + error = xfs_btree_read_buf_block(cur, &cptr, 0, &rrblock, &rrbp); if (error) goto error0; xfs_btree_set_sibling(cur, rrblock, &lptr, XFS_BB_LEFTSIB); -- 1.7.1 From sandeen@sandeen.net Mon Apr 7 14:59:09 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id B09867F90 for ; Mon, 7 Apr 2014 14:59:09 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id 8D7A3304039 for ; Mon, 7 Apr 2014 12:59:09 -0700 (PDT) X-ASG-Debug-ID: 1396900747-04bdf05daadb71d0001-NocioJ Received: from sandeen.net (sandeen.net [63.231.237.45]) by cuda.sgi.com with ESMTP id iOlqQkUxvGmqnYjy for ; Mon, 07 Apr 2014 12:59:08 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@sandeen.net X-Barracuda-Apparent-Source-IP: 63.231.237.45 Received: by sandeen.net (Postfix, from userid 500) id D479163C3B03; Mon, 7 Apr 2014 14:59:07 -0500 (CDT) From: Eric Sandeen To: xfs@oss.sgi.com Subject: [PATCH 02/19] xfs: remove unused mp arg from xfs_attr3_rmt_hdr_ok() Date: Mon, 7 Apr 2014 14:58:49 -0500 X-ASG-Orig-Subj: [PATCH 02/19] xfs: remove unused mp arg from xfs_attr3_rmt_hdr_ok() Message-Id: <1396900746-22201-3-git-send-email-sandeen@redhat.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1396900746-22201-1-git-send-email-sandeen@redhat.com> References: <1396900746-22201-1-git-send-email-sandeen@redhat.com> X-Barracuda-Connect: sandeen.net[63.231.237.45] X-Barracuda-Start-Time: 1396900748 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4664 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- Signed-off-by: Eric Sandeen --- fs/xfs/xfs_attr_remote.c | 3 +-- 1 files changed, 1 insertions(+), 2 deletions(-) diff --git a/fs/xfs/xfs_attr_remote.c b/fs/xfs/xfs_attr_remote.c index 5549d69..90b2b58 100644 --- a/fs/xfs/xfs_attr_remote.c +++ b/fs/xfs/xfs_attr_remote.c @@ -68,7 +68,6 @@ xfs_attr3_rmt_blocks( */ static bool xfs_attr3_rmt_hdr_ok( - struct xfs_mount *mp, void *ptr, xfs_ino_t ino, uint32_t offset, @@ -254,7 +253,7 @@ xfs_attr_rmtval_copyout( byte_cnt = min(*valuelen, byte_cnt); if (xfs_sb_version_hascrc(&mp->m_sb)) { - if (!xfs_attr3_rmt_hdr_ok(mp, src, ino, *offset, + if (!xfs_attr3_rmt_hdr_ok(src, ino, *offset, byte_cnt, bno)) { xfs_alert(mp, "remote attribute header mismatch bno/off/len/owner (0x%llx/0x%x/Ox%x/0x%llx)", -- 1.7.1 From sandeen@sandeen.net Mon Apr 7 14:59:15 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 60A177FA2 for ; Mon, 7 Apr 2014 14:59:12 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 39D068F8059 for ; Mon, 7 Apr 2014 12:59:09 -0700 (PDT) X-ASG-Debug-ID: 1396900748-04cbb054b6b993b0001-NocioJ Received: from sandeen.net (sandeen.net [63.231.237.45]) by cuda.sgi.com with ESMTP id 4zDJkkz7wpKjho72 for ; Mon, 07 Apr 2014 12:59:08 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@sandeen.net X-Barracuda-Apparent-Source-IP: 63.231.237.45 Received: by sandeen.net (Postfix, from userid 500) id 00E0263C3A3B; Mon, 7 Apr 2014 14:59:07 -0500 (CDT) From: Eric Sandeen To: xfs@oss.sgi.com Subject: [PATCH 04/19] xfs: remove unused mp arg from xfs_bmap_forkoff_reset() Date: Mon, 7 Apr 2014 14:58:51 -0500 X-ASG-Orig-Subj: [PATCH 04/19] xfs: remove unused mp arg from xfs_bmap_forkoff_reset() Message-Id: <1396900746-22201-5-git-send-email-sandeen@redhat.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1396900746-22201-1-git-send-email-sandeen@redhat.com> References: <1396900746-22201-1-git-send-email-sandeen@redhat.com> X-Barracuda-Connect: sandeen.net[63.231.237.45] X-Barracuda-Start-Time: 1396900748 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4664 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- Signed-off-by: Eric Sandeen --- fs/xfs/xfs_bmap.c | 3 +-- 1 files changed, 1 insertions(+), 2 deletions(-) diff --git a/fs/xfs/xfs_bmap.c b/fs/xfs/xfs_bmap.c index eeb673b..03b6ff2 100644 --- a/fs/xfs/xfs_bmap.c +++ b/fs/xfs/xfs_bmap.c @@ -233,7 +233,6 @@ xfs_default_attroffset( */ STATIC void xfs_bmap_forkoff_reset( - xfs_mount_t *mp, xfs_inode_t *ip, int whichfork) { @@ -905,7 +904,7 @@ xfs_bmap_local_to_extents_empty( ASSERT(ifp->if_bytes == 0); ASSERT(XFS_IFORK_NEXTENTS(ip, whichfork) == 0); - xfs_bmap_forkoff_reset(ip->i_mount, ip, whichfork); + xfs_bmap_forkoff_reset(ip, whichfork); ifp->if_flags &= ~XFS_IFINLINE; ifp->if_flags |= XFS_IFEXTENTS; XFS_IFORK_FMT_SET(ip, whichfork, XFS_DINODE_FMT_EXTENTS); -- 1.7.1 From sandeen@sandeen.net Mon Apr 7 14:59:16 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 5CCDD7F95 for ; Mon, 7 Apr 2014 14:59:10 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 396E2304053 for ; Mon, 7 Apr 2014 12:59:10 -0700 (PDT) X-ASG-Debug-ID: 1396900748-04cb6c5676d88bb0002-NocioJ Received: from sandeen.net (sandeen.net [63.231.237.45]) by cuda.sgi.com with ESMTP id MsXBOyr716rs6sCH for ; Mon, 07 Apr 2014 12:59:09 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@sandeen.net X-Barracuda-Apparent-Source-IP: 63.231.237.45 Received: by sandeen.net (Postfix, from userid 500) id C78AE63BE834; Mon, 7 Apr 2014 14:59:08 -0500 (CDT) From: Eric Sandeen To: xfs@oss.sgi.com Subject: [PATCH 17/19] xfs: remove unused xfs_mount arg from xfs_symlink_hdr_ok() Date: Mon, 7 Apr 2014 14:59:04 -0500 X-ASG-Orig-Subj: [PATCH 17/19] xfs: remove unused xfs_mount arg from xfs_symlink_hdr_ok() Message-Id: <1396900746-22201-18-git-send-email-sandeen@redhat.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1396900746-22201-1-git-send-email-sandeen@redhat.com> References: <1396900746-22201-1-git-send-email-sandeen@redhat.com> X-Barracuda-Connect: sandeen.net[63.231.237.45] X-Barracuda-Start-Time: 1396900749 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4664 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- Signed-off-by: Eric Sandeen --- fs/xfs/xfs_shared.h | 2 +- fs/xfs/xfs_symlink.c | 2 +- fs/xfs/xfs_symlink_remote.c | 1 - 3 files changed, 2 insertions(+), 3 deletions(-) diff --git a/fs/xfs/xfs_shared.h b/fs/xfs/xfs_shared.h index 18dca8c..46d0e7b 100644 --- a/fs/xfs/xfs_shared.h +++ b/fs/xfs/xfs_shared.h @@ -236,7 +236,7 @@ int xfs_log_calc_minimum_size(struct xfs_mount *); int xfs_symlink_blocks(struct xfs_mount *mp, int pathlen); int xfs_symlink_hdr_set(struct xfs_mount *mp, xfs_ino_t ino, uint32_t offset, uint32_t size, struct xfs_buf *bp); -bool xfs_symlink_hdr_ok(struct xfs_mount *mp, xfs_ino_t ino, uint32_t offset, +bool xfs_symlink_hdr_ok(xfs_ino_t ino, uint32_t offset, uint32_t size, struct xfs_buf *bp); void xfs_symlink_local_to_remote(struct xfs_buf *bp, struct xfs_inode *ip, struct xfs_ifork *ifp); diff --git a/fs/xfs/xfs_symlink.c b/fs/xfs/xfs_symlink.c index 14e58f2..3d1c3bb 100644 --- a/fs/xfs/xfs_symlink.c +++ b/fs/xfs/xfs_symlink.c @@ -88,7 +88,7 @@ xfs_readlink_bmap( cur_chunk = bp->b_addr; if (xfs_sb_version_hascrc(&mp->m_sb)) { - if (!xfs_symlink_hdr_ok(mp, ip->i_ino, offset, + if (!xfs_symlink_hdr_ok(ip->i_ino, offset, byte_cnt, bp)) { error = EFSCORRUPTED; xfs_alert(mp, diff --git a/fs/xfs/xfs_symlink_remote.c b/fs/xfs/xfs_symlink_remote.c index 8e3045e..4d873d3 100644 --- a/fs/xfs/xfs_symlink_remote.c +++ b/fs/xfs/xfs_symlink_remote.c @@ -80,7 +80,6 @@ xfs_symlink_hdr_set( */ bool xfs_symlink_hdr_ok( - struct xfs_mount *mp, xfs_ino_t ino, uint32_t offset, uint32_t size, -- 1.7.1 From sandeen@sandeen.net Mon Apr 7 14:59:16 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 4865B7F9F for ; Mon, 7 Apr 2014 14:59:11 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id A8EEFAC017 for ; Mon, 7 Apr 2014 12:59:10 -0700 (PDT) X-ASG-Debug-ID: 1396900749-04cbb054b6b993c0001-NocioJ Received: from sandeen.net (sandeen.net [63.231.237.45]) by cuda.sgi.com with ESMTP id jdlXxQYJ6ryENHuT for ; Mon, 07 Apr 2014 12:59:09 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@sandeen.net X-Barracuda-Apparent-Source-IP: 63.231.237.45 Received: by sandeen.net (Postfix, from userid 500) id 894F163BECB9; Mon, 7 Apr 2014 14:59:08 -0500 (CDT) From: Eric Sandeen To: xfs@oss.sgi.com Subject: [PATCH 13/19] xfs: remove unused length arg from alloc_block ops Date: Mon, 7 Apr 2014 14:59:00 -0500 X-ASG-Orig-Subj: [PATCH 13/19] xfs: remove unused length arg from alloc_block ops Message-Id: <1396900746-22201-14-git-send-email-sandeen@redhat.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1396900746-22201-1-git-send-email-sandeen@redhat.com> References: <1396900746-22201-1-git-send-email-sandeen@redhat.com> X-Barracuda-Connect: sandeen.net[63.231.237.45] X-Barracuda-Start-Time: 1396900749 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4664 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- Signed-off-by: Eric Sandeen --- fs/xfs/xfs_alloc_btree.c | 1 - fs/xfs/xfs_bmap_btree.c | 1 - fs/xfs/xfs_btree.c | 6 +++--- fs/xfs/xfs_btree.h | 2 +- fs/xfs/xfs_ialloc_btree.c | 1 - 5 files changed, 4 insertions(+), 7 deletions(-) diff --git a/fs/xfs/xfs_alloc_btree.c b/fs/xfs/xfs_alloc_btree.c index 1308542..1abd9c3 100644 --- a/fs/xfs/xfs_alloc_btree.c +++ b/fs/xfs/xfs_alloc_btree.c @@ -70,7 +70,6 @@ xfs_allocbt_alloc_block( struct xfs_btree_cur *cur, union xfs_btree_ptr *start, union xfs_btree_ptr *new, - int length, int *stat) { int error; diff --git a/fs/xfs/xfs_bmap_btree.c b/fs/xfs/xfs_bmap_btree.c index a9d6b7b..8bdbd11 100644 --- a/fs/xfs/xfs_bmap_btree.c +++ b/fs/xfs/xfs_bmap_btree.c @@ -519,7 +519,6 @@ xfs_bmbt_alloc_block( struct xfs_btree_cur *cur, union xfs_btree_ptr *start, union xfs_btree_ptr *new, - int length, int *stat) { xfs_alloc_arg_t args; /* block allocation args */ diff --git a/fs/xfs/xfs_btree.c b/fs/xfs/xfs_btree.c index e20d61b..752b735 100644 --- a/fs/xfs/xfs_btree.c +++ b/fs/xfs/xfs_btree.c @@ -2373,7 +2373,7 @@ xfs_btree_split( xfs_btree_buf_to_ptr(cur, lbp, &lptr); /* Allocate the new block. If we can't do it, we're toast. Give up. */ - error = cur->bc_ops->alloc_block(cur, &lptr, &rptr, 1, stat); + error = cur->bc_ops->alloc_block(cur, &lptr, &rptr, stat); if (error) goto error0; if (*stat == 0) @@ -2546,7 +2546,7 @@ xfs_btree_new_iroot( pp = xfs_btree_ptr_addr(cur, 1, block); /* Allocate the new block. If we can't do it, we're toast. Give up. */ - error = cur->bc_ops->alloc_block(cur, pp, &nptr, 1, stat); + error = cur->bc_ops->alloc_block(cur, pp, &nptr, stat); if (error) goto error0; if (*stat == 0) { @@ -2650,7 +2650,7 @@ xfs_btree_new_root( cur->bc_ops->init_ptr_from_cur(cur, &rptr); /* Allocate the new block. If we can't do it, we're toast. Give up. */ - error = cur->bc_ops->alloc_block(cur, &rptr, &lptr, 1, stat); + error = cur->bc_ops->alloc_block(cur, &rptr, &lptr, stat); if (error) goto error0; if (*stat == 0) diff --git a/fs/xfs/xfs_btree.h b/fs/xfs/xfs_btree.h index 91e34f2..875f687 100644 --- a/fs/xfs/xfs_btree.h +++ b/fs/xfs/xfs_btree.h @@ -129,7 +129,7 @@ struct xfs_btree_ops { int (*alloc_block)(struct xfs_btree_cur *cur, union xfs_btree_ptr *start_bno, union xfs_btree_ptr *new_bno, - int length, int *stat); + int *stat); int (*free_block)(struct xfs_btree_cur *cur, struct xfs_buf *bp); /* update last record information */ diff --git a/fs/xfs/xfs_ialloc_btree.c b/fs/xfs/xfs_ialloc_btree.c index c8fa5bb..5121ec5 100644 --- a/fs/xfs/xfs_ialloc_btree.c +++ b/fs/xfs/xfs_ialloc_btree.c @@ -71,7 +71,6 @@ xfs_inobt_alloc_block( struct xfs_btree_cur *cur, union xfs_btree_ptr *start, union xfs_btree_ptr *new, - int length, int *stat) { xfs_alloc_arg_t args; /* block allocation args */ -- 1.7.1 From sandeen@sandeen.net Mon Apr 7 14:59:16 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 9C0F77F9B for ; Mon, 7 Apr 2014 14:59:10 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 749538F8052 for ; Mon, 7 Apr 2014 12:59:10 -0700 (PDT) X-ASG-Debug-ID: 1396900748-04cb6c5675d88ba0002-NocioJ Received: from sandeen.net (sandeen.net [63.231.237.45]) by cuda.sgi.com with ESMTP id ALM34BrdNEIN5cP9 for ; Mon, 07 Apr 2014 12:59:09 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@sandeen.net X-Barracuda-Apparent-Source-IP: 63.231.237.45 Received: by sandeen.net (Postfix, from userid 500) id D956D63BE835; Mon, 7 Apr 2014 14:59:08 -0500 (CDT) From: Eric Sandeen To: xfs@oss.sgi.com Subject: [PATCH 18/19] xfs: remove unused ail pointer arg from xfs_trans_ail_cursor_done() Date: Mon, 7 Apr 2014 14:59:05 -0500 X-ASG-Orig-Subj: [PATCH 18/19] xfs: remove unused ail pointer arg from xfs_trans_ail_cursor_done() Message-Id: <1396900746-22201-19-git-send-email-sandeen@redhat.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1396900746-22201-1-git-send-email-sandeen@redhat.com> References: <1396900746-22201-1-git-send-email-sandeen@redhat.com> X-Barracuda-Connect: sandeen.net[63.231.237.45] X-Barracuda-Start-Time: 1396900749 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4664 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- Signed-off-by: Eric Sandeen --- fs/xfs/xfs_log_recover.c | 4 ++-- fs/xfs/xfs_trans.c | 2 +- fs/xfs/xfs_trans_ail.c | 5 ++--- fs/xfs/xfs_trans_priv.h | 3 +-- 4 files changed, 6 insertions(+), 8 deletions(-) diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c index bce53ac..7801052 100644 --- a/fs/xfs/xfs_log_recover.c +++ b/fs/xfs/xfs_log_recover.c @@ -3145,7 +3145,7 @@ xlog_recover_efd_pass2( } lip = xfs_trans_ail_cursor_next(ailp, &cur); } - xfs_trans_ail_cursor_done(ailp, &cur); + xfs_trans_ail_cursor_done(&cur); spin_unlock(&ailp->xa_lock); return 0; @@ -3757,7 +3757,7 @@ xlog_recover_process_efis( lip = xfs_trans_ail_cursor_next(ailp, &cur); } out: - xfs_trans_ail_cursor_done(ailp, &cur); + xfs_trans_ail_cursor_done(&cur); spin_unlock(&ailp->xa_lock); return error; } diff --git a/fs/xfs/xfs_trans.c b/fs/xfs/xfs_trans.c index c812c5c..737eb04 100644 --- a/fs/xfs/xfs_trans.c +++ b/fs/xfs/xfs_trans.c @@ -827,7 +827,7 @@ xfs_trans_committed_bulk( xfs_log_item_batch_insert(ailp, &cur, log_items, i, commit_lsn); spin_lock(&ailp->xa_lock); - xfs_trans_ail_cursor_done(ailp, &cur); + xfs_trans_ail_cursor_done(&cur); spin_unlock(&ailp->xa_lock); } diff --git a/fs/xfs/xfs_trans_ail.c b/fs/xfs/xfs_trans_ail.c index a728735..cb0f3a8 100644 --- a/fs/xfs/xfs_trans_ail.c +++ b/fs/xfs/xfs_trans_ail.c @@ -173,7 +173,6 @@ xfs_trans_ail_cursor_next( */ void xfs_trans_ail_cursor_done( - struct xfs_ail *ailp, struct xfs_ail_cursor *cur) { cur->item = NULL; @@ -368,7 +367,7 @@ xfsaild_push( * If the AIL is empty or our push has reached the end we are * done now. */ - xfs_trans_ail_cursor_done(ailp, &cur); + xfs_trans_ail_cursor_done(&cur); spin_unlock(&ailp->xa_lock); goto out_done; } @@ -453,7 +452,7 @@ xfsaild_push( break; lsn = lip->li_lsn; } - xfs_trans_ail_cursor_done(ailp, &cur); + xfs_trans_ail_cursor_done(&cur); spin_unlock(&ailp->xa_lock); if (xfs_buf_delwri_submit_nowait(&ailp->xa_buf_list)) diff --git a/fs/xfs/xfs_trans_priv.h b/fs/xfs/xfs_trans_priv.h index 12e86af..bd12818 100644 --- a/fs/xfs/xfs_trans_priv.h +++ b/fs/xfs/xfs_trans_priv.h @@ -133,8 +133,7 @@ struct xfs_log_item * xfs_trans_ail_cursor_last(struct xfs_ail *ailp, xfs_lsn_t lsn); struct xfs_log_item * xfs_trans_ail_cursor_next(struct xfs_ail *ailp, struct xfs_ail_cursor *cur); -void xfs_trans_ail_cursor_done(struct xfs_ail *ailp, - struct xfs_ail_cursor *cur); +void xfs_trans_ail_cursor_done(struct xfs_ail_cursor *cur); #if BITS_PER_LONG != 64 static inline void -- 1.7.1 From sandeen@sandeen.net Mon Apr 7 14:59:17 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id A643B7FA0 for ; Mon, 7 Apr 2014 14:59:11 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 22361AC019 for ; Mon, 7 Apr 2014 12:59:11 -0700 (PDT) X-ASG-Debug-ID: 1396900749-04cb6c5676d88bc0001-NocioJ Received: from sandeen.net (sandeen.net [63.231.237.45]) by cuda.sgi.com with ESMTP id CVioAj1A5Do9GpjL for ; Mon, 07 Apr 2014 12:59:09 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@sandeen.net X-Barracuda-Apparent-Source-IP: 63.231.237.45 Received: by sandeen.net (Postfix, from userid 500) id B6BA863BEA5D; Mon, 7 Apr 2014 14:59:08 -0500 (CDT) From: Eric Sandeen To: xfs@oss.sgi.com Subject: [PATCH 16/19] xfs: remove unused tp arg from xfs_symlink_local_to_remote() Date: Mon, 7 Apr 2014 14:59:03 -0500 X-ASG-Orig-Subj: [PATCH 16/19] xfs: remove unused tp arg from xfs_symlink_local_to_remote() Message-Id: <1396900746-22201-17-git-send-email-sandeen@redhat.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1396900746-22201-1-git-send-email-sandeen@redhat.com> References: <1396900746-22201-1-git-send-email-sandeen@redhat.com> X-Barracuda-Connect: sandeen.net[63.231.237.45] X-Barracuda-Start-Time: 1396900749 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4664 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- Signed-off-by: Eric Sandeen --- fs/xfs/xfs_bmap.c | 5 ++--- fs/xfs/xfs_shared.h | 2 +- fs/xfs/xfs_symlink_remote.c | 1 - 3 files changed, 3 insertions(+), 5 deletions(-) diff --git a/fs/xfs/xfs_bmap.c b/fs/xfs/xfs_bmap.c index 03b6ff2..6a1e702 100644 --- a/fs/xfs/xfs_bmap.c +++ b/fs/xfs/xfs_bmap.c @@ -919,8 +919,7 @@ xfs_bmap_local_to_extents( xfs_extlen_t total, /* total blocks needed by transaction */ int *logflagsp, /* inode logging flags */ int whichfork, - void (*init_fn)(struct xfs_trans *tp, - struct xfs_buf *bp, + void (*init_fn)(struct xfs_buf *bp, struct xfs_inode *ip, struct xfs_ifork *ifp)) { @@ -977,7 +976,7 @@ xfs_bmap_local_to_extents( bp = xfs_btree_get_bufl(args.mp, tp, args.fsbno, 0); /* initialise the block and copy the data */ - init_fn(tp, bp, ip, ifp); + init_fn(bp, ip, ifp); /* account for the change in fork size and log everything */ xfs_trans_log_buf(tp, bp, 0, ifp->if_bytes - 1); diff --git a/fs/xfs/xfs_shared.h b/fs/xfs/xfs_shared.h index 8c5035a..18dca8c 100644 --- a/fs/xfs/xfs_shared.h +++ b/fs/xfs/xfs_shared.h @@ -238,7 +238,7 @@ int xfs_symlink_hdr_set(struct xfs_mount *mp, xfs_ino_t ino, uint32_t offset, uint32_t size, struct xfs_buf *bp); bool xfs_symlink_hdr_ok(struct xfs_mount *mp, xfs_ino_t ino, uint32_t offset, uint32_t size, struct xfs_buf *bp); -void xfs_symlink_local_to_remote(struct xfs_trans *tp, struct xfs_buf *bp, +void xfs_symlink_local_to_remote(struct xfs_buf *bp, struct xfs_inode *ip, struct xfs_ifork *ifp); #endif /* __XFS_SHARED_H__ */ diff --git a/fs/xfs/xfs_symlink_remote.c b/fs/xfs/xfs_symlink_remote.c index bf59a2b..8e3045e 100644 --- a/fs/xfs/xfs_symlink_remote.c +++ b/fs/xfs/xfs_symlink_remote.c @@ -173,7 +173,6 @@ const struct xfs_buf_ops xfs_symlink_buf_ops = { void xfs_symlink_local_to_remote( - struct xfs_trans *tp, struct xfs_buf *bp, struct xfs_inode *ip, struct xfs_ifork *ifp) -- 1.7.1 From sandeen@sandeen.net Mon Apr 7 14:59:17 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 30AB27F9E for ; Mon, 7 Apr 2014 14:59:11 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id B376EAC018 for ; Mon, 7 Apr 2014 12:59:10 -0700 (PDT) X-ASG-Debug-ID: 1396900749-04bdf0743a1c8930001-NocioJ Received: from sandeen.net (sandeen.net [63.231.237.45]) by cuda.sgi.com with ESMTP id nONW2juHsNzMjA2m for ; Mon, 07 Apr 2014 12:59:09 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@sandeen.net X-Barracuda-Apparent-Source-IP: 63.231.237.45 Received: by sandeen.net (Postfix, from userid 500) id 97FCC63BECC5; Mon, 7 Apr 2014 14:59:08 -0500 (CDT) From: Eric Sandeen To: xfs@oss.sgi.com Subject: [PATCH 14/19] xfs: remove unused pag ptr arg from iterator execute functions Date: Mon, 7 Apr 2014 14:59:01 -0500 X-ASG-Orig-Subj: [PATCH 14/19] xfs: remove unused pag ptr arg from iterator execute functions Message-Id: <1396900746-22201-15-git-send-email-sandeen@redhat.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1396900746-22201-1-git-send-email-sandeen@redhat.com> References: <1396900746-22201-1-git-send-email-sandeen@redhat.com> X-Barracuda-Connect: sandeen.net[63.231.237.45] X-Barracuda-Start-Time: 1396900749 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4664 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- Signed-off-by: Eric Sandeen --- fs/xfs/xfs_icache.c | 12 ++++-------- fs/xfs/xfs_icache.h | 6 ++---- fs/xfs/xfs_qm_syscalls.c | 1 - 3 files changed, 6 insertions(+), 13 deletions(-) diff --git a/fs/xfs/xfs_icache.c b/fs/xfs/xfs_icache.c index 98d3524..c48df5f 100644 --- a/fs/xfs/xfs_icache.c +++ b/fs/xfs/xfs_icache.c @@ -507,8 +507,7 @@ STATIC int xfs_inode_ag_walk( struct xfs_mount *mp, struct xfs_perag *pag, - int (*execute)(struct xfs_inode *ip, - struct xfs_perag *pag, int flags, + int (*execute)(struct xfs_inode *ip, int flags, void *args), int flags, void *args, @@ -582,7 +581,7 @@ restart: for (i = 0; i < nr_found; i++) { if (!batch[i]) continue; - error = execute(batch[i], pag, flags, args); + error = execute(batch[i], flags, args); IRELE(batch[i]); if (error == EAGAIN) { skipped++; @@ -636,8 +635,7 @@ xfs_eofblocks_worker( int xfs_inode_ag_iterator( struct xfs_mount *mp, - int (*execute)(struct xfs_inode *ip, - struct xfs_perag *pag, int flags, + int (*execute)(struct xfs_inode *ip, int flags, void *args), int flags, void *args) @@ -664,8 +662,7 @@ xfs_inode_ag_iterator( int xfs_inode_ag_iterator_tag( struct xfs_mount *mp, - int (*execute)(struct xfs_inode *ip, - struct xfs_perag *pag, int flags, + int (*execute)(struct xfs_inode *ip, int flags, void *args), int flags, void *args, @@ -1209,7 +1206,6 @@ xfs_inode_match_id( STATIC int xfs_inode_free_eofblocks( struct xfs_inode *ip, - struct xfs_perag *pag, int flags, void *args) { diff --git a/fs/xfs/xfs_icache.h b/fs/xfs/xfs_icache.h index 9ed68bb..9cf017b 100644 --- a/fs/xfs/xfs_icache.h +++ b/fs/xfs/xfs_icache.h @@ -60,12 +60,10 @@ int xfs_icache_free_eofblocks(struct xfs_mount *, struct xfs_eofblocks *); void xfs_eofblocks_worker(struct work_struct *); int xfs_inode_ag_iterator(struct xfs_mount *mp, - int (*execute)(struct xfs_inode *ip, struct xfs_perag *pag, - int flags, void *args), + int (*execute)(struct xfs_inode *ip, int flags, void *args), int flags, void *args); int xfs_inode_ag_iterator_tag(struct xfs_mount *mp, - int (*execute)(struct xfs_inode *ip, struct xfs_perag *pag, - int flags, void *args), + int (*execute)(struct xfs_inode *ip, int flags, void *args), int flags, void *args, int tag); static inline int diff --git a/fs/xfs/xfs_qm_syscalls.c b/fs/xfs/xfs_qm_syscalls.c index 3daf5ea..72cbe65 100644 --- a/fs/xfs/xfs_qm_syscalls.c +++ b/fs/xfs/xfs_qm_syscalls.c @@ -959,7 +959,6 @@ xfs_qm_export_flags( STATIC int xfs_dqrele_inode( struct xfs_inode *ip, - struct xfs_perag *pag, int flags, void *args) { -- 1.7.1 From sandeen@sandeen.net Mon Apr 7 14:59:16 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 0FBC07F9D for ; Mon, 7 Apr 2014 14:59:11 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 91450AC014 for ; Mon, 7 Apr 2014 12:59:10 -0700 (PDT) X-ASG-Debug-ID: 1396900749-04cbb054b9b993d0001-NocioJ Received: from sandeen.net (sandeen.net [63.231.237.45]) by cuda.sgi.com with ESMTP id mAliBH8pDV5ltDXz for ; Mon, 07 Apr 2014 12:59:09 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@sandeen.net X-Barracuda-Apparent-Source-IP: 63.231.237.45 Received: by sandeen.net (Postfix, from userid 500) id ED30263BE836; Mon, 7 Apr 2014 14:59:08 -0500 (CDT) From: Eric Sandeen To: xfs@oss.sgi.com Subject: [PATCH 19/19] xfs: remove unused trans pointer arg from xlog_recover_unmount_trans() Date: Mon, 7 Apr 2014 14:59:06 -0500 X-ASG-Orig-Subj: [PATCH 19/19] xfs: remove unused trans pointer arg from xlog_recover_unmount_trans() Message-Id: <1396900746-22201-20-git-send-email-sandeen@redhat.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1396900746-22201-1-git-send-email-sandeen@redhat.com> References: <1396900746-22201-1-git-send-email-sandeen@redhat.com> X-Barracuda-Connect: sandeen.net[63.231.237.45] X-Barracuda-Start-Time: 1396900749 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4664 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- Signed-off-by: Eric Sandeen --- fs/xfs/xfs_log_recover.c | 5 ++--- 1 files changed, 2 insertions(+), 3 deletions(-) diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c index 7801052..690a64d 100644 --- a/fs/xfs/xfs_log_recover.c +++ b/fs/xfs/xfs_log_recover.c @@ -3520,8 +3520,7 @@ out: STATIC int xlog_recover_unmount_trans( - struct xlog *log, - struct xlog_recover *trans) + struct xlog *log) { /* Do nothing now */ xfs_warn(log->l_mp, "%s: Unmount LR", __func__); @@ -3595,7 +3594,7 @@ xlog_recover_process_data( trans, pass); break; case XLOG_UNMOUNT_TRANS: - error = xlog_recover_unmount_trans(log, trans); + error = xlog_recover_unmount_trans(log); break; case XLOG_WAS_CONT_TRANS: error = xlog_recover_add_to_cont_trans(log, -- 1.7.1 From sandeen@sandeen.net Mon Apr 7 14:59:18 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 7AA2B7F98 for ; Mon, 7 Apr 2014 14:59:10 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 6302F8F8039 for ; Mon, 7 Apr 2014 12:59:10 -0700 (PDT) X-ASG-Debug-ID: 1396900748-04cb6c5677d88bb0002-NocioJ Received: from sandeen.net (sandeen.net [63.231.237.45]) by cuda.sgi.com with ESMTP id zJvnWcVWdMQrUIrm for ; Mon, 07 Apr 2014 12:59:09 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@sandeen.net X-Barracuda-Apparent-Source-IP: 63.231.237.45 Received: by sandeen.net (Postfix, from userid 500) id A843A63BEBE7; Mon, 7 Apr 2014 14:59:08 -0500 (CDT) From: Eric Sandeen To: xfs@oss.sgi.com Subject: [PATCH 15/19] xfs: remove unused bp arg from xfs_iflush_fork() Date: Mon, 7 Apr 2014 14:59:02 -0500 X-ASG-Orig-Subj: [PATCH 15/19] xfs: remove unused bp arg from xfs_iflush_fork() Message-Id: <1396900746-22201-16-git-send-email-sandeen@redhat.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1396900746-22201-1-git-send-email-sandeen@redhat.com> References: <1396900746-22201-1-git-send-email-sandeen@redhat.com> X-Barracuda-Connect: sandeen.net[63.231.237.45] X-Barracuda-Start-Time: 1396900749 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4664 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- Signed-off-by: Eric Sandeen --- fs/xfs/xfs_inode.c | 4 ++-- fs/xfs/xfs_inode_fork.c | 3 +-- fs/xfs/xfs_inode_fork.h | 3 +-- 3 files changed, 4 insertions(+), 6 deletions(-) diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c index 3a137e9..be29b80 100644 --- a/fs/xfs/xfs_inode.c +++ b/fs/xfs/xfs_inode.c @@ -3260,9 +3260,9 @@ xfs_iflush_int( } } - xfs_iflush_fork(ip, dip, iip, XFS_DATA_FORK, bp); + xfs_iflush_fork(ip, dip, iip, XFS_DATA_FORK); if (XFS_IFORK_Q(ip)) - xfs_iflush_fork(ip, dip, iip, XFS_ATTR_FORK, bp); + xfs_iflush_fork(ip, dip, iip, XFS_ATTR_FORK); xfs_inobp_check(mp, bp); /* diff --git a/fs/xfs/xfs_inode_fork.c b/fs/xfs/xfs_inode_fork.c index 73514c0..b031e8d 100644 --- a/fs/xfs/xfs_inode_fork.c +++ b/fs/xfs/xfs_inode_fork.c @@ -798,8 +798,7 @@ xfs_iflush_fork( xfs_inode_t *ip, xfs_dinode_t *dip, xfs_inode_log_item_t *iip, - int whichfork, - xfs_buf_t *bp) + int whichfork) { char *cp; xfs_ifork_t *ifp; diff --git a/fs/xfs/xfs_inode_fork.h b/fs/xfs/xfs_inode_fork.h index eb329a1..7d3b1ed 100644 --- a/fs/xfs/xfs_inode_fork.h +++ b/fs/xfs/xfs_inode_fork.h @@ -127,8 +127,7 @@ typedef struct xfs_ifork { int xfs_iformat_fork(struct xfs_inode *, struct xfs_dinode *); void xfs_iflush_fork(struct xfs_inode *, struct xfs_dinode *, - struct xfs_inode_log_item *, int, - struct xfs_buf *); + struct xfs_inode_log_item *, int); void xfs_idestroy_fork(struct xfs_inode *, int); void xfs_idata_realloc(struct xfs_inode *, int, int); void xfs_iroot_realloc(struct xfs_inode *, int, int); -- 1.7.1 From sandeen@sandeen.net Mon Apr 7 14:59:18 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 8475C7F99 for ; Mon, 7 Apr 2014 14:59:10 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 0EBA5AC016 for ; Mon, 7 Apr 2014 12:59:09 -0700 (PDT) X-ASG-Debug-ID: 1396900748-04cb6c5675d88ba0001-NocioJ Received: from sandeen.net (sandeen.net [63.231.237.45]) by cuda.sgi.com with ESMTP id XvA4DzCc5lowaVxl for ; Mon, 07 Apr 2014 12:59:08 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@sandeen.net X-Barracuda-Apparent-Source-IP: 63.231.237.45 Received: by sandeen.net (Postfix, from userid 500) id 226B463C38A6; Mon, 7 Apr 2014 14:59:08 -0500 (CDT) From: Eric Sandeen To: xfs@oss.sgi.com Subject: [PATCH 06/19] xfs: remove unused blocksize arg from xfs_setsize_buftarg() Date: Mon, 7 Apr 2014 14:58:53 -0500 X-ASG-Orig-Subj: [PATCH 06/19] xfs: remove unused blocksize arg from xfs_setsize_buftarg() Message-Id: <1396900746-22201-7-git-send-email-sandeen@redhat.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1396900746-22201-1-git-send-email-sandeen@redhat.com> References: <1396900746-22201-1-git-send-email-sandeen@redhat.com> X-Barracuda-Connect: sandeen.net[63.231.237.45] X-Barracuda-Start-Time: 1396900748 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4664 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- Signed-off-by: Eric Sandeen --- fs/xfs/xfs_buf.c | 4 +--- fs/xfs/xfs_buf.h | 2 +- fs/xfs/xfs_super.c | 5 +---- 3 files changed, 3 insertions(+), 8 deletions(-) diff --git a/fs/xfs/xfs_buf.c b/fs/xfs/xfs_buf.c index 9c061ef..03742ea 100644 --- a/fs/xfs/xfs_buf.c +++ b/fs/xfs/xfs_buf.c @@ -1596,7 +1596,6 @@ xfs_free_buftarg( int xfs_setsize_buftarg( xfs_buftarg_t *btp, - unsigned int blocksize, unsigned int sectorsize) { /* Set up metadata sector size info */ @@ -1631,8 +1630,7 @@ xfs_setsize_buftarg_early( xfs_buftarg_t *btp, struct block_device *bdev) { - return xfs_setsize_buftarg(btp, PAGE_SIZE, - bdev_logical_block_size(bdev)); + return xfs_setsize_buftarg(btp, bdev_logical_block_size(bdev)); } xfs_buftarg_t * diff --git a/fs/xfs/xfs_buf.h b/fs/xfs/xfs_buf.h index 9953395..0aee9b8 100644 --- a/fs/xfs/xfs_buf.h +++ b/fs/xfs/xfs_buf.h @@ -376,7 +376,7 @@ extern xfs_buftarg_t *xfs_alloc_buftarg(struct xfs_mount *, struct block_device *, int, const char *); extern void xfs_free_buftarg(struct xfs_mount *, struct xfs_buftarg *); extern void xfs_wait_buftarg(xfs_buftarg_t *); -extern int xfs_setsize_buftarg(xfs_buftarg_t *, unsigned int, unsigned int); +extern int xfs_setsize_buftarg(xfs_buftarg_t *, unsigned int); #define xfs_getsize_buftarg(buftarg) block_size((buftarg)->bt_bdev) #define xfs_readonly_buftarg(buftarg) bdev_read_only((buftarg)->bt_bdev) diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c index d971f49..c10197e 100644 --- a/fs/xfs/xfs_super.c +++ b/fs/xfs/xfs_super.c @@ -811,8 +811,7 @@ xfs_setup_devices( { int error; - error = xfs_setsize_buftarg(mp->m_ddev_targp, mp->m_sb.sb_blocksize, - mp->m_sb.sb_sectsize); + error = xfs_setsize_buftarg(mp->m_ddev_targp, mp->m_sb.sb_sectsize); if (error) return error; @@ -822,14 +821,12 @@ xfs_setup_devices( if (xfs_sb_version_hassector(&mp->m_sb)) log_sector_size = mp->m_sb.sb_logsectsize; error = xfs_setsize_buftarg(mp->m_logdev_targp, - mp->m_sb.sb_blocksize, log_sector_size); if (error) return error; } if (mp->m_rtdev_targp) { error = xfs_setsize_buftarg(mp->m_rtdev_targp, - mp->m_sb.sb_blocksize, mp->m_sb.sb_sectsize); if (error) return error; -- 1.7.1 From sandeen@sandeen.net Mon Apr 7 14:59:18 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 5BF337F94 for ; Mon, 7 Apr 2014 14:59:10 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id 38A5A304039 for ; Mon, 7 Apr 2014 12:59:10 -0700 (PDT) X-ASG-Debug-ID: 1396900748-04cbb054b7b993c0001-NocioJ Received: from sandeen.net (sandeen.net [63.231.237.45]) by cuda.sgi.com with ESMTP id UXV3wzPVrVs0DNsE for ; Mon, 07 Apr 2014 12:59:09 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@sandeen.net X-Barracuda-Apparent-Source-IP: 63.231.237.45 Received: by sandeen.net (Postfix, from userid 500) id 60B4B61D1A5F; Mon, 7 Apr 2014 14:59:08 -0500 (CDT) From: Eric Sandeen To: xfs@oss.sgi.com Subject: [PATCH 10/19] xfs: remove unused tp arg from xfs_da_reada_buf & callers Date: Mon, 7 Apr 2014 14:58:57 -0500 X-ASG-Orig-Subj: [PATCH 10/19] xfs: remove unused tp arg from xfs_da_reada_buf & callers Message-Id: <1396900746-22201-11-git-send-email-sandeen@redhat.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1396900746-22201-1-git-send-email-sandeen@redhat.com> References: <1396900746-22201-1-git-send-email-sandeen@redhat.com> X-Barracuda-Connect: sandeen.net[63.231.237.45] X-Barracuda-Start-Time: 1396900748 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4664 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- This one hits a few functions as we unravel the unused arg up through the callers. Signed-off-by: Eric Sandeen --- fs/xfs/xfs_da_btree.c | 8 +++----- fs/xfs/xfs_da_btree.h | 6 +++--- fs/xfs/xfs_dir2_data.c | 3 +-- fs/xfs/xfs_dir2_priv.h | 4 ++-- fs/xfs/xfs_dir2_readdir.c | 4 ++-- fs/xfs/xfs_file.c | 2 +- 6 files changed, 12 insertions(+), 15 deletions(-) diff --git a/fs/xfs/xfs_da_btree.c b/fs/xfs/xfs_da_btree.c index 796272a..da4692e 100644 --- a/fs/xfs/xfs_da_btree.c +++ b/fs/xfs/xfs_da_btree.c @@ -2461,7 +2461,6 @@ xfs_buf_map_from_irec( */ static int xfs_dabuf_map( - struct xfs_trans *trans, struct xfs_inode *dp, xfs_dablk_t bno, xfs_daddr_t mappedbno, @@ -2557,7 +2556,7 @@ xfs_da_get_buf( *bpp = NULL; mapp = ↦ nmap = 1; - error = xfs_dabuf_map(trans, dp, bno, mappedbno, whichfork, + error = xfs_dabuf_map(dp, bno, mappedbno, whichfork, &mapp, &nmap); if (error) { /* mapping a hole is not an error, but we don't continue */ @@ -2605,7 +2604,7 @@ xfs_da_read_buf( *bpp = NULL; mapp = ↦ nmap = 1; - error = xfs_dabuf_map(trans, dp, bno, mappedbno, whichfork, + error = xfs_dabuf_map(dp, bno, mappedbno, whichfork, &mapp, &nmap); if (error) { /* mapping a hole is not an error, but we don't continue */ @@ -2678,7 +2677,6 @@ out_free: */ xfs_daddr_t xfs_da_reada_buf( - struct xfs_trans *trans, struct xfs_inode *dp, xfs_dablk_t bno, xfs_daddr_t mappedbno, @@ -2692,7 +2690,7 @@ xfs_da_reada_buf( mapp = ↦ nmap = 1; - error = xfs_dabuf_map(trans, dp, bno, mappedbno, whichfork, + error = xfs_dabuf_map(dp, bno, mappedbno, whichfork, &mapp, &nmap); if (error) { /* mapping a hole is not an error, but we don't continue */ diff --git a/fs/xfs/xfs_da_btree.h b/fs/xfs/xfs_da_btree.h index 6e95ea7..4cc6a46 100644 --- a/fs/xfs/xfs_da_btree.h +++ b/fs/xfs/xfs_da_btree.h @@ -183,9 +183,9 @@ int xfs_da_read_buf(struct xfs_trans *trans, struct xfs_inode *dp, xfs_dablk_t bno, xfs_daddr_t mappedbno, struct xfs_buf **bpp, int whichfork, const struct xfs_buf_ops *ops); -xfs_daddr_t xfs_da_reada_buf(struct xfs_trans *trans, struct xfs_inode *dp, - xfs_dablk_t bno, xfs_daddr_t mapped_bno, - int whichfork, const struct xfs_buf_ops *ops); +xfs_daddr_t xfs_da_reada_buf(struct xfs_inode *dp, xfs_dablk_t bno, + xfs_daddr_t mapped_bno, int whichfork, + const struct xfs_buf_ops *ops); int xfs_da_shrink_inode(xfs_da_args_t *args, xfs_dablk_t dead_blkno, struct xfs_buf *dead_buf); diff --git a/fs/xfs/xfs_dir2_data.c b/fs/xfs/xfs_dir2_data.c index 70acff4..b00df36 100644 --- a/fs/xfs/xfs_dir2_data.c +++ b/fs/xfs/xfs_dir2_data.c @@ -329,12 +329,11 @@ xfs_dir3_data_read( int xfs_dir3_data_readahead( - struct xfs_trans *tp, struct xfs_inode *dp, xfs_dablk_t bno, xfs_daddr_t mapped_bno) { - return xfs_da_reada_buf(tp, dp, bno, mapped_bno, + return xfs_da_reada_buf(dp, bno, mapped_bno, XFS_DATA_FORK, &xfs_dir3_data_reada_buf_ops); } diff --git a/fs/xfs/xfs_dir2_priv.h b/fs/xfs/xfs_dir2_priv.h index 8b9d228..2429960 100644 --- a/fs/xfs/xfs_dir2_priv.h +++ b/fs/xfs/xfs_dir2_priv.h @@ -54,8 +54,8 @@ extern int xfs_dir2_leaf_to_block(struct xfs_da_args *args, extern int __xfs_dir3_data_check(struct xfs_inode *dp, struct xfs_buf *bp); extern int xfs_dir3_data_read(struct xfs_trans *tp, struct xfs_inode *dp, xfs_dablk_t bno, xfs_daddr_t mapped_bno, struct xfs_buf **bpp); -extern int xfs_dir3_data_readahead(struct xfs_trans *tp, struct xfs_inode *dp, - xfs_dablk_t bno, xfs_daddr_t mapped_bno); +extern int xfs_dir3_data_readahead(struct xfs_inode *dp, xfs_dablk_t bno, + xfs_daddr_t mapped_bno); extern struct xfs_dir2_data_free * xfs_dir2_data_freeinsert(struct xfs_dir2_data_hdr *hdr, diff --git a/fs/xfs/xfs_dir2_readdir.c b/fs/xfs/xfs_dir2_readdir.c index a18000f..a99967b 100644 --- a/fs/xfs/xfs_dir2_readdir.c +++ b/fs/xfs/xfs_dir2_readdir.c @@ -434,7 +434,7 @@ xfs_dir2_leaf_readbuf( */ if (i > mip->ra_current && map[mip->ra_index].br_blockcount >= mp->m_dirblkfsbs) { - xfs_dir3_data_readahead(NULL, dp, + xfs_dir3_data_readahead(dp, map[mip->ra_index].br_startoff + mip->ra_offset, XFS_FSB_TO_DADDR(mp, map[mip->ra_index].br_startblock + @@ -447,7 +447,7 @@ xfs_dir2_leaf_readbuf( * use our mapping, but this is a very rare case. */ else if (i > mip->ra_current) { - xfs_dir3_data_readahead(NULL, dp, + xfs_dir3_data_readahead(dp, map[mip->ra_index].br_startoff + mip->ra_offset, -1); mip->ra_current = i; diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c index 64b48ea..340f2af 100644 --- a/fs/xfs/xfs_file.c +++ b/fs/xfs/xfs_file.c @@ -917,7 +917,7 @@ xfs_dir_open( */ mode = xfs_ilock_data_map_shared(ip); if (ip->i_d.di_nextents > 0) - xfs_dir3_data_readahead(NULL, ip, 0, -1); + xfs_dir3_data_readahead(ip, 0, -1); xfs_iunlock(ip, mode); return 0; } -- 1.7.1 From sandeen@sandeen.net Mon Apr 7 14:59:18 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id C83077F9C for ; Mon, 7 Apr 2014 14:59:10 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 422CDAC013 for ; Mon, 7 Apr 2014 12:59:10 -0700 (PDT) X-ASG-Debug-ID: 1396900749-04cb6c5678d88bc0001-NocioJ Received: from sandeen.net (sandeen.net [63.231.237.45]) by cuda.sgi.com with ESMTP id LSLu4LFcDbhOCs4H for ; Mon, 07 Apr 2014 12:59:09 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@sandeen.net X-Barracuda-Apparent-Source-IP: 63.231.237.45 Received: by sandeen.net (Postfix, from userid 500) id 7C10963BEED8; Mon, 7 Apr 2014 14:59:08 -0500 (CDT) From: Eric Sandeen To: xfs@oss.sgi.com Subject: [PATCH 12/19] xfs: remove unused mp arg from xfs_calc_dquots_per_chunk() Date: Mon, 7 Apr 2014 14:58:59 -0500 X-ASG-Orig-Subj: [PATCH 12/19] xfs: remove unused mp arg from xfs_calc_dquots_per_chunk() Message-Id: <1396900746-22201-13-git-send-email-sandeen@redhat.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1396900746-22201-1-git-send-email-sandeen@redhat.com> References: <1396900746-22201-1-git-send-email-sandeen@redhat.com> X-Barracuda-Connect: sandeen.net[63.231.237.45] X-Barracuda-Start-Time: 1396900749 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4664 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- And because this gets passed to xfs_bmap_local_to_extents() as *init_fn(), change that prototype too. Signed-off-by: Eric Sandeen --- fs/xfs/xfs_dquot_buf.c | 5 ++--- fs/xfs/xfs_qm.c | 3 +-- fs/xfs/xfs_quota_defs.h | 2 +- 3 files changed, 4 insertions(+), 6 deletions(-) diff --git a/fs/xfs/xfs_dquot_buf.c b/fs/xfs/xfs_dquot_buf.c index d401457..a470668 100644 --- a/fs/xfs/xfs_dquot_buf.c +++ b/fs/xfs/xfs_dquot_buf.c @@ -35,7 +35,6 @@ int xfs_calc_dquots_per_chunk( - struct xfs_mount *mp, unsigned int nbblks) /* basic block units */ { unsigned int ndquots; @@ -194,7 +193,7 @@ xfs_dquot_buf_verify_crc( if (mp->m_quotainfo) ndquots = mp->m_quotainfo->qi_dqperchunk; else - ndquots = xfs_calc_dquots_per_chunk(mp, + ndquots = xfs_calc_dquots_per_chunk( XFS_BB_TO_FSB(mp, bp->b_length)); for (i = 0; i < ndquots; i++, d++) { @@ -225,7 +224,7 @@ xfs_dquot_buf_verify( if (mp->m_quotainfo) ndquots = mp->m_quotainfo->qi_dqperchunk; else - ndquots = xfs_calc_dquots_per_chunk(mp, bp->b_length); + ndquots = xfs_calc_dquots_per_chunk(bp->b_length); /* * On the first read of the buffer, verify that each dquot is valid. diff --git a/fs/xfs/xfs_qm.c b/fs/xfs/xfs_qm.c index 348e4d2..23cc8dc 100644 --- a/fs/xfs/xfs_qm.c +++ b/fs/xfs/xfs_qm.c @@ -870,8 +870,7 @@ xfs_qm_init_quotainfo( /* Precalc some constants */ qinf->qi_dqchunklen = XFS_FSB_TO_BB(mp, XFS_DQUOT_CLUSTER_SIZE_FSB); - qinf->qi_dqperchunk = xfs_calc_dquots_per_chunk(mp, - qinf->qi_dqchunklen); + qinf->qi_dqperchunk = xfs_calc_dquots_per_chunk(qinf->qi_dqchunklen); mp->m_qflags |= (mp->m_sb.sb_qflags & XFS_ALL_QUOTA_CHKD); diff --git a/fs/xfs/xfs_quota_defs.h b/fs/xfs/xfs_quota_defs.h index b3b2b10..137e209 100644 --- a/fs/xfs/xfs_quota_defs.h +++ b/fs/xfs/xfs_quota_defs.h @@ -156,6 +156,6 @@ typedef __uint16_t xfs_qwarncnt_t; extern int xfs_dqcheck(struct xfs_mount *mp, xfs_disk_dquot_t *ddq, xfs_dqid_t id, uint type, uint flags, char *str); -extern int xfs_calc_dquots_per_chunk(struct xfs_mount *mp, unsigned int nbblks); +extern int xfs_calc_dquots_per_chunk(unsigned int nbblks); #endif /* __XFS_QUOTA_H__ */ -- 1.7.1 From bfoster@redhat.com Mon Apr 7 16:45:37 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 475D47FC6 for ; Mon, 7 Apr 2014 16:45:37 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 33EF68F804B for ; Mon, 7 Apr 2014 14:45:34 -0700 (PDT) X-ASG-Debug-ID: 1396907129-04cbb054b6ba1070001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id ARIEPvubEZqSVIhd; Mon, 07 Apr 2014 14:45:30 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s37LjTIR004338 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Mon, 7 Apr 2014 17:45:29 -0400 Received: from bfoster.bfoster ([10.18.41.237]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s37LjTwg016408; Mon, 7 Apr 2014 17:45:29 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id B99531256CC; Mon, 7 Apr 2014 17:45:27 -0400 (EDT) Date: Mon, 7 Apr 2014 17:45:27 -0400 From: Brian Foster To: Mark Tinguely Cc: xfs@oss.sgi.com Subject: Re: [FAQ v2] XFS speculative preallocation Message-ID: <20140407214527.GA43531@bfoster.bfoster> X-ASG-Orig-Subj: Re: [FAQ v2] XFS speculative preallocation References: <20140407153906.GC48184@bfoster.bfoster> <53430375.3060203@sgi.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <53430375.3060203@sgi.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1396907130 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Mon, Apr 07, 2014 at 02:58:45PM -0500, Mark Tinguely wrote: > On 04/07/14 10:39, Brian Foster wrote: > >Hi all, > > > >This is v2 of the speculative preallocation FAQ bits. The initial > >proposal was here: > > > >http://oss.sgi.com/archives/xfs/2014-03/msg00316.html > > > >This version includes some updates based on review from arekm and > >dchinner. Most notably, the content has been broken down into a few more > >questions. Unless there are further major changes required, I'll plan to > >post something along these lines to the wiki when my account is > >approved. Thanks for the feedback! > > > >Brian > > > >--- > > > >Q: Why do files on XFS use more data blocks than expected? > > > >A: > > > >The XFS speculative preallocation algorithm allocates extra blocks > >beyond end of file (EOF) to minimise file fragmentation during buffered > ^^^ beyond here and then later adopt post-EOF phrasing. > I think you're suggesting a broader terminology change, but I'm not quite following. Could you be specific about what "later" bits should change? What phrasing in particular..? > ... > > >See the FAQ entry on speculative preallocation for details. > > > >Q: What is speculative preallocation? > > > >A: > > > >XFS speculatively preallocates post-EOF blocks on file extending writes > >in anticipation of future extending writes. The size of a preallocation > >is dynamic and depends on the runtime state of the file and fs. > >Generally speaking, preallocation is disabled for very small files and > vague what is very small? ^^^ > ... I originally pointed out 64k, but that and other heuristic details that are subject to change were purged in v2. I'm personally not against including something that indicates the default and the notion that it's subject to change. I don't feel too strongly about it either way. Thoughts appreciated. > > > >Q: Is speculative preallocation permanent? > > > >A: > > > >Although speculative preallocation can lead to reports of excess space > >usage, the preallocated space is not permanent unless explicitly made so > >via fallocate or a similar interface. Preallocated space can also be > >encoded permanently in situations where file size is extended beyond a > >range of post-EOF blocks (i.e., via truncate). Otherwise, preallocated > >blocks are reclaimed on file close, inode reclaim, unmount or in the > >background once file write activity subsides. > > Switch order? > > Normally, preallocated > blocks are reclaimed on file close, inode reclaim, unmount or in the > background once file write activity subsides. They can be explictly > made permanent . > Thoughts on the following? "Preallocated blocks are normally reclaimed on file close, inode reclaim, unmount or in the background once file write activity subsides. They can be explicitly made permanent via fallocate or a similar interface. They can be implicitly made permanent in situations where file size is extended beyond a range of post-EOF blocks (i.e., via an extending truncate)." > > > >Q: My workload has known characteristics - can I tune speculative > >preallocation to an optimal fixed size? > > > >A: > > > >The 'allocsize=' mount option configures the XFS block allocation > >algorithm to use a fixed allocation size. Speculative preallocation is > >not dynamically resized when the allocsize mount option is set and thus > >the potential for fragmentation is increased. XFS historically set > > sets the > > >allocsize to 64k by default. > > > > > Q: Can I disable S-P-A ? > A: No..? ;) Are you proposing this with the similar intent to the previous Q (i.e., "what's the alternative to the default behavior?"), or with the notion that Dave pointed out how technically preallocation is not really "off?" Or something else? If the former, we could modify the question: "My workload has known characteristics - can I disable speculative preallocation or tune it to an optimal fixed size?" Or something along those lines. Would anybody object to also pointing out that 'allocsize=4k' (or allocsize=?) could be considered "speculative preallocation == off" from the user's perspective? Thanks for the feedback. Brian > -Mark. > > _______________________________________________ > xfs mailing list > xfs@oss.sgi.com > http://oss.sgi.com/mailman/listinfo/xfs From tinguely@sgi.com Mon Apr 7 17:21:07 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=RP_MATCHES_RCVD autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 199B37FF2 for ; Mon, 7 Apr 2014 17:21:07 -0500 (CDT) Received: from eagdhcp-232-178.americas.sgi.com (eagdhcp-232-178.americas.sgi.com [128.162.232.178]) by relay2.corp.sgi.com (Postfix) with ESMTP id D6022304039; Mon, 7 Apr 2014 15:21:03 -0700 (PDT) Message-ID: <534324D0.3080701@sgi.com> Date: Mon, 07 Apr 2014 17:21:04 -0500 From: Mark Tinguely User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:9.0) Gecko/20120122 Thunderbird/9.0 MIME-Version: 1.0 To: Brian Foster CC: xfs@oss.sgi.com Subject: Re: [FAQ v2] XFS speculative preallocation References: <20140407153906.GC48184@bfoster.bfoster> <53430375.3060203@sgi.com> <20140407214527.GA43531@bfoster.bfoster> In-Reply-To: <20140407214527.GA43531@bfoster.bfoster> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit On 04/07/14 16:45, Brian Foster wrote: > On Mon, Apr 07, 2014 at 02:58:45PM -0500, Mark Tinguely wrote: >> On 04/07/14 10:39, Brian Foster wrote: >>> Hi all, >>> >>> This is v2 of the speculative preallocation FAQ bits. The initial >>> proposal was here: >>> >>> http://oss.sgi.com/archives/xfs/2014-03/msg00316.html >>> >>> This version includes some updates based on review from arekm and >>> dchinner. Most notably, the content has been broken down into a few more >>> questions. Unless there are further major changes required, I'll plan to >>> post something along these lines to the wiki when my account is >>> approved. Thanks for the feedback! >>> >>> Brian >>> >>> --- >>> >>> Q: Why do files on XFS use more data blocks than expected? >>> >>> A: >>> >>> The XFS speculative preallocation algorithm allocates extra blocks >>> beyond end of file (EOF) to minimise file fragmentation during buffered >> ^^^ beyond here and then later adopt post-EOF phrasing. >> > > I think you're suggesting a broader terminology change, but I'm not > quite following. Could you be specific about what "later" bits should > change? What phrasing in particular..? You use "blocks beyond end of file (EOF)" here and then later use the terminology of "post-EOF" through the rest of the document. Just pointing out the change in terminology. > >> ... >> >>> See the FAQ entry on speculative preallocation for details. >>> >>> Q: What is speculative preallocation? >>> >>> A: >>> >>> XFS speculatively preallocates post-EOF blocks on file extending writes >>> in anticipation of future extending writes. The size of a preallocation >>> is dynamic and depends on the runtime state of the file and fs. >>> Generally speaking, preallocation is disabled for very small files and >> vague what is very small? ^^^ >> ... > > I originally pointed out 64k, but that and other heuristic details that > are subject to change were purged in v2. I'm personally not against > including something that indicates the default and the notion that it's > subject to change. I don't feel too strongly about it either way. > Thoughts appreciated. I think the details are good since everyone has a different idea on "very small". The FAQ can be changed with the code. You can expect the TOT FAQ to represent Linux 3.0-stable. >> >> >>> Q: Is speculative preallocation permanent? >>> >>> A: >>> >>> Although speculative preallocation can lead to reports of excess space >>> usage, the preallocated space is not permanent unless explicitly made so >>> via fallocate or a similar interface. Preallocated space can also be >>> encoded permanently in situations where file size is extended beyond a >>> range of post-EOF blocks (i.e., via truncate). Otherwise, preallocated >>> blocks are reclaimed on file close, inode reclaim, unmount or in the >>> background once file write activity subsides. >> >> Switch order? >> >> Normally, preallocated >> blocks are reclaimed on file close, inode reclaim, unmount or in the >> background once file write activity subsides. They can be explictly >> made permanent . >> > > Thoughts on the following? > > "Preallocated blocks are normally reclaimed on file close, inode > reclaim, unmount or in the background once file write activity subsides. > They can be explicitly made permanent via fallocate or a similar > interface. They can be implicitly made permanent in situations where > file size is extended beyond a range of post-EOF blocks (i.e., via an > extending truncate)." > Looks good to me. >>> >>> Q: My workload has known characteristics - can I tune speculative >>> preallocation to an optimal fixed size? >>> >>> A: >>> >>> The 'allocsize=' mount option configures the XFS block allocation >>> algorithm to use a fixed allocation size. Speculative preallocation is >>> not dynamically resized when the allocsize mount option is set and thus >>> the potential for fragmentation is increased. XFS historically set >> >> sets the >> >>> allocsize to 64k by default. >>> >> >> >> Q: Can I disable S-P-A ? >> > > A: No..? ;) > > Are you proposing this with the similar intent to the previous Q (i.e., > "what's the alternative to the default behavior?"), or with the notion > that Dave pointed out how technically preallocation is not really "off?" > Or something else? If the former, we could modify the question: > > "My workload has known characteristics - can I disable speculative > preallocation or tune it to an optimal fixed size?" > > Or something along those lines. Would anybody object to also pointing > out that 'allocsize=4k' (or allocsize=?) could be considered > "speculative preallocation == off" from the user's perspective? > That sounds good to me. If they know it is there, eventually someone will ask "can I turn it off?". I would be happy with the answer of "no, but it can be tuned" and don't tell them how to effectively turn it off. > Thanks for the feedback. > > Brian > Thanks for the FAQ. --Mark. From david@fromorbit.com Mon Apr 7 17:55:06 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id D826D7FC1 for ; Mon, 7 Apr 2014 17:55:05 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 6A455AC012 for ; Mon, 7 Apr 2014 15:55:02 -0700 (PDT) X-ASG-Debug-ID: 1396911299-04cb6c5675d94cb0001-NocioJ Received: from ipmail05.adl6.internode.on.net (ipmail05.adl6.internode.on.net [150.101.137.143]) by cuda.sgi.com with ESMTP id ejjRDPovXYsV9DUS for ; Mon, 07 Apr 2014 15:55:00 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.143 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AmtVACgsQ1N5LEcvPGdsb2JhbABZgwaDSoULtwSFX4ErFwMBAQEBODWCJQEBAQMBOhwjBQsIAw4KCSUPBSUDBxoTh3EHy1EXFo5bB4MkgRQElG+Da5YCKw Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail05.adl6.internode.on.net with ESMTP; 08 Apr 2014 08:24:56 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WXIRK-0005gk-59; Tue, 08 Apr 2014 08:54:54 +1000 Date: Tue, 8 Apr 2014 08:54:54 +1000 From: Dave Chinner To: Brian Foster Cc: Mark Tinguely , xfs@oss.sgi.com Subject: Re: [FAQ v2] XFS speculative preallocation Message-ID: <20140407225454.GB27017@dastard> X-ASG-Orig-Subj: Re: [FAQ v2] XFS speculative preallocation References: <20140407153906.GC48184@bfoster.bfoster> <53430375.3060203@sgi.com> <20140407214527.GA43531@bfoster.bfoster> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140407214527.GA43531@bfoster.bfoster> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail05.adl6.internode.on.net[150.101.137.143] X-Barracuda-Start-Time: 1396911299 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4669 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Mon, Apr 07, 2014 at 05:45:27PM -0400, Brian Foster wrote: > On Mon, Apr 07, 2014 at 02:58:45PM -0500, Mark Tinguely wrote: > > On 04/07/14 10:39, Brian Foster wrote: > > >See the FAQ entry on speculative preallocation for details. > > > > > >Q: What is speculative preallocation? > > > > > >A: > > > > > >XFS speculatively preallocates post-EOF blocks on file extending writes > > >in anticipation of future extending writes. The size of a preallocation > > >is dynamic and depends on the runtime state of the file and fs. > > >Generally speaking, preallocation is disabled for very small files and > > vague what is very small? ^^^ > > ... > > I originally pointed out 64k, but that and other heuristic details that > are subject to change were purged in v2. I'm personally not against > including something that indicates the default and the notion that it's > subject to change. I don't feel too strongly about it either way. > Thoughts appreciated. As i said in the original - if we put specific values in here or describe the exact heuristics, then it will be wrong the moment we change the code. If someone wants to know the exact details on how it works, then they can look at the code for the kernel they are running, because the behaviour can (and does) change from kernel to kernel. > > >Q: Is speculative preallocation permanent? > > > > > >A: > > > > > >Although speculative preallocation can lead to reports of excess space > > >usage, the preallocated space is not permanent unless explicitly made so > > >via fallocate or a similar interface. Preallocated space can also be > > >encoded permanently in situations where file size is extended beyond a > > >range of post-EOF blocks (i.e., via truncate). Otherwise, preallocated > > >blocks are reclaimed on file close, inode reclaim, unmount or in the > > >background once file write activity subsides. > > > > Switch order? > > > > Normally, preallocated > > blocks are reclaimed on file close, inode reclaim, unmount or in the > > background once file write activity subsides. They can be explictly > > made permanent . > > > > Thoughts on the following? > > "Preallocated blocks are normally reclaimed on file close, inode > reclaim, unmount or in the background once file write activity subsides. > They can be explicitly made permanent via fallocate or a similar > interface. They can be implicitly made permanent in situations where > file size is extended beyond a range of post-EOF blocks (i.e., via an > extending truncate)." Speculative prealloc may end up permanent on a crash, because the in-memory state used to track and reclaim the speculative preallocation is lost. > > >Q: My workload has known characteristics - can I tune speculative > > >preallocation to an optimal fixed size? > > > > > >A: > > > > > >The 'allocsize=' mount option configures the XFS block allocation > > >algorithm to use a fixed allocation size. Speculative preallocation is > > >not dynamically resized when the allocsize mount option is set and thus > > >the potential for fragmentation is increased. XFS historically set > > > > sets the > > > > >allocsize to 64k by default. > > > > > > > > > Q: Can I disable S-P-A ? > > > > A: No..? ;) That's the correct answer ;) > Are you proposing this with the similar intent to the previous Q (i.e., > "what's the alternative to the default behavior?"), or with the notion > that Dave pointed out how technically preallocation is not really "off?" > Or something else? If the former, we could modify the question: > > "My workload has known characteristics - can I disable speculative > preallocation or tune it to an optimal fixed size?" Yup, I'd change the questions like that. > Or something along those lines. Would anybody object to also pointing > out that 'allocsize=4k' (or allocsize=?) could be considered > "speculative preallocation == off" from the user's perspective? >From a users perspective, fixed size preallocation with anything less than allocsize=64k would be "off". That was the old default, and no user ever noticed that speculative prealloc was occurring except on large files when it failed to prevent fragmentation.... Cheers, Dave. -- Dave Chinner david@fromorbit.com From david@fromorbit.com Mon Apr 7 17:57:15 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id BD0127FC8 for ; Mon, 7 Apr 2014 17:57:15 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id 9E116304039 for ; Mon, 7 Apr 2014 15:57:15 -0700 (PDT) X-ASG-Debug-ID: 1396911431-04cbb054b8ba5830001-NocioJ Received: from ipmail05.adl6.internode.on.net (ipmail05.adl6.internode.on.net [150.101.137.143]) by cuda.sgi.com with ESMTP id Fmtm3vRS4bBWwPM9 for ; Mon, 07 Apr 2014 15:57:12 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.143 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: Ar1ZACgsQ1N5LEcvPGdsb2JhbABZgwY7gw+FC6MsAgaTUIVfgSsXAwEBAQE4NYIlAQEBBDocIxAIAxgJJQ8FJQMHGhOHeMtRFxaMXYF+B4MkgRQEmFqWAis Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail05.adl6.internode.on.net with ESMTP; 08 Apr 2014 08:27:10 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WXITW-0005hV-Mv; Tue, 08 Apr 2014 08:57:10 +1000 Date: Tue, 8 Apr 2014 08:57:10 +1000 From: Dave Chinner To: Mark Tinguely Cc: Brian Foster , xfs@oss.sgi.com Subject: Re: [FAQ v2] XFS speculative preallocation Message-ID: <20140407225710.GC27017@dastard> X-ASG-Orig-Subj: Re: [FAQ v2] XFS speculative preallocation References: <20140407153906.GC48184@bfoster.bfoster> <53430375.3060203@sgi.com> <20140407214527.GA43531@bfoster.bfoster> <534324D0.3080701@sgi.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <534324D0.3080701@sgi.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail05.adl6.internode.on.net[150.101.137.143] X-Barracuda-Start-Time: 1396911431 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4669 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Mon, Apr 07, 2014 at 05:21:04PM -0500, Mark Tinguely wrote: > On 04/07/14 16:45, Brian Foster wrote: > >On Mon, Apr 07, 2014 at 02:58:45PM -0500, Mark Tinguely wrote: > >>On 04/07/14 10:39, Brian Foster wrote: > >>>XFS speculatively preallocates post-EOF blocks on file extending writes > >>>in anticipation of future extending writes. The size of a preallocation > >>>is dynamic and depends on the runtime state of the file and fs. > >>>Generally speaking, preallocation is disabled for very small files and > >> vague what is very small? ^^^ > >>... > > > >I originally pointed out 64k, but that and other heuristic details that > >are subject to change were purged in v2. I'm personally not against > >including something that indicates the default and the notion that it's > >subject to change. I don't feel too strongly about it either way. > >Thoughts appreciated. > > > I think the details are good since everyone has a different idea on > "very small". The FAQ can be changed with the code. You can expect > the TOT FAQ to represent Linux 3.0-stable. What's that supposed to mean? The FAQ on the xfs.org website does not represent a specific release. It is supposed to contain the most up-to-date information we have about various topics. If there's something specific to a kernel version we need to mention, then that's explicitly stated in the FAQ entry.... Cheers, Dave. -- Dave Chinner david@fromorbit.com From david@fromorbit.com Mon Apr 7 18:23:16 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id E98E77FFC for ; Mon, 7 Apr 2014 18:23:16 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id C364E304059 for ; Mon, 7 Apr 2014 16:23:13 -0700 (PDT) X-ASG-Debug-ID: 1396912991-04cb6c5675d965b0001-NocioJ Received: from ipmail05.adl6.internode.on.net (ipmail05.adl6.internode.on.net [150.101.137.143]) by cuda.sgi.com with ESMTP id gcPoGQ2WzQQGgi9C for ; Mon, 07 Apr 2014 16:23:12 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.143 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AmdVADcyQ1N5LEcvPGdsb2JhbABZgwaDSoULtwqFX4EmFwMBAQEBODWCJQEBAQQ6HCMQCAMYCSUPBSUDBxoTh3jLRBcWjlsHgySBFASYWophiyEr Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail05.adl6.internode.on.net with ESMTP; 08 Apr 2014 08:53:10 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WXIsg-0005lL-4a; Tue, 08 Apr 2014 09:23:10 +1000 Date: Tue, 8 Apr 2014 09:23:10 +1000 From: Dave Chinner To: Eric Sandeen Cc: xfs@oss.sgi.com Subject: Re: [PATCH 16/19] xfs: remove unused tp arg from xfs_symlink_local_to_remote() Message-ID: <20140407232310.GD27017@dastard> X-ASG-Orig-Subj: Re: [PATCH 16/19] xfs: remove unused tp arg from xfs_symlink_local_to_remote() References: <1396900746-22201-1-git-send-email-sandeen@redhat.com> <1396900746-22201-17-git-send-email-sandeen@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1396900746-22201-17-git-send-email-sandeen@redhat.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail05.adl6.internode.on.net[150.101.137.143] X-Barracuda-Start-Time: 1396912991 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4669 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Mon, Apr 07, 2014 at 02:59:03PM -0500, Eric Sandeen wrote: > Signed-off-by: Eric Sandeen > --- > fs/xfs/xfs_bmap.c | 5 ++--- > fs/xfs/xfs_shared.h | 2 +- > fs/xfs/xfs_symlink_remote.c | 1 - > 3 files changed, 3 insertions(+), 5 deletions(-) > > diff --git a/fs/xfs/xfs_bmap.c b/fs/xfs/xfs_bmap.c > index 03b6ff2..6a1e702 100644 > --- a/fs/xfs/xfs_bmap.c > +++ b/fs/xfs/xfs_bmap.c > @@ -919,8 +919,7 @@ xfs_bmap_local_to_extents( > xfs_extlen_t total, /* total blocks needed by transaction */ > int *logflagsp, /* inode logging flags */ > int whichfork, > - void (*init_fn)(struct xfs_trans *tp, > - struct xfs_buf *bp, > + void (*init_fn)(struct xfs_buf *bp, > struct xfs_inode *ip, > struct xfs_ifork *ifp)) > { This one I disagree with - this local-to-remote change is only done within a transaction context. The existing conversions don't require any special operations that require logging different objects, but the possibility exists and so we really do need to pass the transaction structure through this API. e.g. we really should convert the directory code over to use the generic xfs_bmap_local_to_extents() function rather than rolling it's own version of essentially the same thing, and that requires passing the transaction structure through the init_fn interface. Cheers, Dave. -- Dave Chinner david@fromorbit.com From david@fromorbit.com Mon Apr 7 18:29:05 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 5FC5F8004 for ; Mon, 7 Apr 2014 18:29:05 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id F0ED2AC012 for ; Mon, 7 Apr 2014 16:29:01 -0700 (PDT) X-ASG-Debug-ID: 1396913329-04cbb054b8ba7670001-NocioJ Received: from ipmail05.adl6.internode.on.net (ipmail05.adl6.internode.on.net [150.101.137.143]) by cuda.sgi.com with ESMTP id MgfFZNFMMMbuyWTs for ; Mon, 07 Apr 2014 16:28:49 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.143 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AmdVAGgzQ1N5LEcvPGdsb2JhbABZgwaDSoULtwqFX4EmFwMBAQEBODWCJQEBAQQ6HCMQCAMYCSUPBSUDBxoTh3jLRBcWjlsHgySBFASYWpYCKw Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail05.adl6.internode.on.net with ESMTP; 08 Apr 2014 08:58:48 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WXIy6-0005mH-Rp; Tue, 08 Apr 2014 09:28:46 +1000 Date: Tue, 8 Apr 2014 09:28:46 +1000 From: Dave Chinner To: Eric Sandeen Cc: xfs@oss.sgi.com Subject: Re: [PATCH 00/19] xfs: remove a bunch of unused function args Message-ID: <20140407232846.GE27017@dastard> X-ASG-Orig-Subj: Re: [PATCH 00/19] xfs: remove a bunch of unused function args References: <1396900746-22201-1-git-send-email-sandeen@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1396900746-22201-1-git-send-email-sandeen@redhat.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail05.adl6.internode.on.net[150.101.137.143] X-Barracuda-Start-Time: 1396913329 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Barracuda-BRTS-Status: 1 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4670 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Mon, Apr 07, 2014 at 02:58:47PM -0500, Eric Sandeen wrote: > I did some mindless work during a plane ride. ;) > > If the granularity of these patches is just too much, I could certainly > collapse them into fewer, bigger patches, but I figured that this would > make them super-trivial to review. > > Most have no interesting commit messages aside from the subject, because > the subject says it all. > > Compile-tested only, TBH. Looks good, except for the patch I specifically commented on. FWIW, this sort of cleanup will help reduce some of the register pressure these code paths have, and that in turn will help reduce stack usage, so if you can find more... Cheers, Dave. -- Dave Chinner david@fromorbit.com From david@fromorbit.com Mon Apr 7 18:30:49 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id EBCCA8005 for ; Mon, 7 Apr 2014 18:30:49 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id C26AC304059 for ; Mon, 7 Apr 2014 16:30:49 -0700 (PDT) X-ASG-Debug-ID: 1396913447-04cb6c5677d96e30001-NocioJ Received: from ipmail05.adl6.internode.on.net (ipmail05.adl6.internode.on.net [150.101.137.143]) by cuda.sgi.com with ESMTP id Boy9I9szh3R0Qbua for ; Mon, 07 Apr 2014 16:30:47 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.143 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AnxVAIo0Q1N5LEcvPGdsb2JhbABZgwaDSlKEObcKhV+BJhcDAQEBATg1giUBAQEEIw8BIyMQCAMOCgICBSECAg8FJQMHGhOHeKkWoi8XFoETjHtNB4JvNYEUBJhalgIrgS0 Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail05.adl6.internode.on.net with ESMTP; 08 Apr 2014 09:00:46 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WXJ01-0005mU-V3; Tue, 08 Apr 2014 09:30:45 +1000 Date: Tue, 8 Apr 2014 09:30:45 +1000 From: Dave Chinner To: Rich Johnston Cc: Arkadiusz =?utf-8?Q?Mi=C5=9Bkiewicz?= , xfs@oss.sgi.com Subject: Re: xfsprogs 3.1.12 and 3.2.0 releases? Message-ID: <20140407233045.GF27017@dastard> X-ASG-Orig-Subj: Re: xfsprogs 3.1.12 and 3.2.0 releases? References: <201401201822.48520.arekm@maven.pl> <5342EC72.8060007@sgi.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <5342EC72.8060007@sgi.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail05.adl6.internode.on.net[150.101.137.143] X-Barracuda-Start-Time: 1396913447 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4669 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Mon, Apr 07, 2014 at 01:20:34PM -0500, Rich Johnston wrote: > On 01/20/2014 11:22 AM, Arkadiusz MiÅ›kiewicz wrote: > > > >Hello. > > > >What's needed for both 3.1.12 and 3.2.0 releases to happen? > > > >If 3.2.0 is to be released soon then nice. Dave, AFAIK it is waiting for you > >and xfs_db crc work only? > > > >If 3.2.0 is far away then it would be nice to see 3.1.12 with bugfixes only > >(for those paranoid about new stuff) but 3.1.13 very soon after that with > >backported features like project quota support, parallelism, performance > >improvements. > > > >Obviously I hope 3.2.0 is soon and there is no need to waste effort on 3.1.x. > > > Is there any interest in a 3.1.12 release or will a 3.2.x release > happen soon? 3.2.x should happen soon. I've got a few patches to integrate and test and then we can move to a 3.2-rc1 release and go from there. Cheers, Dave. -- Dave Chinner david@fromorbit.com From sandeen@sandeen.net Mon Apr 7 18:43:36 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 37BCA7F7E for ; Mon, 7 Apr 2014 18:43:36 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 21D268F8035 for ; Mon, 7 Apr 2014 16:43:32 -0700 (PDT) X-ASG-Debug-ID: 1396914211-04cb6c5675d97a90001-NocioJ Received: from sandeen.net (sandeen.net [63.231.237.45]) by cuda.sgi.com with ESMTP id G4dKxzLzZA9eiE4B for ; Mon, 07 Apr 2014 16:43:31 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@sandeen.net X-Barracuda-Apparent-Source-IP: 63.231.237.45 Received: from Liberator-2.local (unknown [67.51.122.226]) (using TLSv1 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (No client certificate requested) by sandeen.net (Postfix) with ESMTPSA id 1484B63C77A3; Mon, 7 Apr 2014 18:43:30 -0500 (CDT) Message-ID: <53433821.1080506@sandeen.net> Date: Mon, 07 Apr 2014 18:43:29 -0500 From: Eric Sandeen User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:24.0) Gecko/20100101 Thunderbird/24.4.0 MIME-Version: 1.0 To: Dave Chinner , Eric Sandeen CC: xfs@oss.sgi.com Subject: Re: [PATCH 00/19] xfs: remove a bunch of unused function args References: <1396900746-22201-1-git-send-email-sandeen@redhat.com> <20140407232846.GE27017@dastard> X-ASG-Orig-Subj: Re: [PATCH 00/19] xfs: remove a bunch of unused function args In-Reply-To: <20140407232846.GE27017@dastard> X-Enigmail-Version: 1.6 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Barracuda-Connect: sandeen.net[63.231.237.45] X-Barracuda-Start-Time: 1396914211 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4669 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On 4/7/14, 6:28 PM, Dave Chinner wrote: > On Mon, Apr 07, 2014 at 02:58:47PM -0500, Eric Sandeen wrote: >> I did some mindless work during a plane ride. ;) >> >> If the granularity of these patches is just too much, I could certainly >> collapse them into fewer, bigger patches, but I figured that this would >> make them super-trivial to review. >> >> Most have no interesting commit messages aside from the subject, because >> the subject says it all. >> >> Compile-tested only, TBH. > > Looks good, except for the patch I specifically commented on. > > FWIW, this sort of cleanup will help reduce some of the register > pressure these code paths have, and that in turn will help reduce > stack usage, so if you can find more... yep I was thinking along those lines. I think this is all of them; more show up w/ GCC warnings but some are for ops that need the superset of args. I'll do one more pass to be sure there aren't any knock-on effects w/ these changes. Thanks, -Eric > Cheers, > > Dave. > From david@fromorbit.com Mon Apr 7 19:15:09 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id D78BA7FF3 for ; Mon, 7 Apr 2014 19:15:08 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 53E50AC012 for ; Mon, 7 Apr 2014 17:15:05 -0700 (PDT) X-ASG-Debug-ID: 1396916099-04cb6c5677d99850001-NocioJ Received: from ipmail05.adl6.internode.on.net (ipmail05.adl6.internode.on.net [150.101.137.143]) by cuda.sgi.com with ESMTP id xqT7oJoGRswaoD3d for ; Mon, 07 Apr 2014 17:15:00 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.143 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: Ar1ZABk/Q1N5LEcvPGdsb2JhbABZgwY7gw+FC6MzAgaTUIVfgSYXAwEBAQE4NYIlAQEBBDocIxAIAxgJJQ8FJQMHGhOHeMtVFo5bB4Q4BJhalgIr Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail05.adl6.internode.on.net with ESMTP; 08 Apr 2014 09:44:45 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WXJgZ-0005rn-BD; Tue, 08 Apr 2014 10:14:43 +1000 Date: Tue, 8 Apr 2014 10:14:43 +1000 From: Dave Chinner To: Filipe David Manana Cc: "xfs@oss.sgi.com" , "linux-btrfs@vger.kernel.org" , linux-ext4@vger.kernel.org Subject: Re: [ANNOUNCE] xfstests: updated to cf1ed54 Message-ID: <20140408001443.GG27017@dastard> X-ASG-Orig-Subj: Re: [ANNOUNCE] xfstests: updated to cf1ed54 References: <20140404090357.GW17603@dastard> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail05.adl6.internode.on.net[150.101.137.143] X-Barracuda-Start-Time: 1396916099 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.20 X-Barracuda-Spam-Status: No, SCORE=0.20 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=PR0N_SUBJECT X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4671 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.20 PR0N_SUBJECT Subject has letters around special characters (pr0n) On Fri, Apr 04, 2014 at 02:07:16PM +0100, Filipe David Manana wrote: > On Fri, Apr 4, 2014 at 10:03 AM, Dave Chinner wrote: > > Hi folks, > > > > The xfstests repository at git://oss.sgi.com/xfs/cmds/xfstests has > > just been updated. Patches often get missed, so please check if your > > outstanding patches were in this update. If they have not been in > > this update, please resubmit them to xfs@oss.sgi.com so they can be > > picked up in the next update. > > > > The new head of the master branch is commit: > > > > cf1ed54 check: fix RESULT_BASE typo in check script > > > > The major new functionality worth mentioning in this update is the > > new config file format from Lukas. The existing format config files > > should continue to work without change, but the new format is much > > richer and allows specification of multiple different configurations > > to run test under. Hence testing multiple mount an dmkfs > > configurations becomes as simple as iterating the configurations > > in the config file. > > Hi, > > I might be missing something, but after checking out these changes, I > am no longer able to run btrfs tests. Example: > > $ ./check btrfs/041 > common/config: Error: $SCRATCH_DEV should be unset when $SCRATCH_DEV_POOL is set > Passed all 0 tests > > $ cat local.config > export TEST_DEV=/dev/sdb > export TEST_DIR=/home/fdmanana/btrfs-tests/dev > export SCRATCH_MNT="/home/fdmanana/btrfs-tests/scratch_1" > export SCRATCH_DEV_POOL="/dev/sdc /dev/sdd" Are you sure that's the config file that is being picked up? I can't test btrfs at the moment because it appears to be completely screwed in a TOT kernel right now - it doesn't even show up in /proc/filesystems and doesn't emit anything on dmesg to indicate that initialisation of the built in btrfs code has failed or even been attempted. It's simply MIA.... However, using that same SCRATCH_DEV_POOL config for xfs or ext4 works just fine on my test machines with the current TOT xfstests and kernel code. $ cat configs/test2.config TEST_DIR=/mnt/test SCRATCH_MNT=/mnt/scratch TEST_DEV=/dev/vda SCRATCH_DEV_POOL="/dev/vdc /dev/vdd" $ sudo MKFS_OPTIONS="-m crc=1" ./check generic/001 FSTYP -- xfs (debug) PLATFORM -- Linux/x86_64 test2 3.14.0-rc1-dgc+ MKFS_OPTIONS -- -f -m crc=1 /dev/vdc MOUNT_OPTIONS -- /dev/vdc /mnt/scratch generic/001 4s ... 3s Ran: generic/001 Passed all 1 tests $ So, as you can see I can't reproduce your problem myself right now. Could you add a "set -x" line to the start of check and post the output? Cheers, Dave. -- Dave Chinner david@fromorbit.com From david@fromorbit.com Mon Apr 7 19:33:15 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id D29EF7FD5 for ; Mon, 7 Apr 2014 19:33:15 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id B532A30405F for ; Mon, 7 Apr 2014 17:33:15 -0700 (PDT) X-ASG-Debug-ID: 1396917193-04cb6c5676d9a7e0001-NocioJ Received: from ipmail05.adl6.internode.on.net (ipmail05.adl6.internode.on.net [150.101.137.143]) by cuda.sgi.com with ESMTP id LmvljrYbeVpr5ax5 for ; Mon, 07 Apr 2014 17:33:13 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.143 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AmdVAJpCQ1N5LEcvPGdsb2JhbABZgwaDSoULtwuFX4ElFwMBAQEBODWCJQEBAQQ6HCMQCAMYCSUPBSUDBxoTh3jLPhcWjlsHhDgEmFqKYYshKw Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail05.adl6.internode.on.net with ESMTP; 08 Apr 2014 10:03:12 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WXJyR-0005uT-4r; Tue, 08 Apr 2014 10:33:11 +1000 Date: Tue, 8 Apr 2014 10:33:11 +1000 From: Dave Chinner To: Kyle McMartin Cc: xfs@oss.sgi.com Subject: Re: [PATCH 1/2] xfsdump: getdents.c: clean up ifdef-hell around sys_getdents Message-ID: <20140408003311.GH27017@dastard> X-ASG-Orig-Subj: Re: [PATCH 1/2] xfsdump: getdents.c: clean up ifdef-hell around sys_getdents References: <20140324181907.GF23291@redacted.bos.redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140324181907.GF23291@redacted.bos.redhat.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail05.adl6.internode.on.net[150.101.137.143] X-Barracuda-Start-Time: 1396917193 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4671 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Mon, Mar 24, 2014 at 02:19:07PM -0400, Kyle McMartin wrote: > Remove the ifdef-hell imported from glibc around getdents64. Everything > since 2.4.1 supports things properly and this seems like a sensible > clean up, so lets just assume it exists and handle it by falling back > if not. > > Additionally, if the old getdents syscall doesn't exist, just stub out > the actual syscall and return ENOSYS. > > --- Kyle, these two patches are missing your SOB. I'm going to assume you wrote this yourself (given the history, it's a fair bet :) and add them in - let me know if then assumption is wrong so I can correct it. Cheers, Dave. -- Dave Chinner david@fromorbit.com From david@fromorbit.com Mon Apr 7 19:55:27 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 0EEBE7FD8 for ; Mon, 7 Apr 2014 19:55:27 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id E4460304059 for ; Mon, 7 Apr 2014 17:55:26 -0700 (PDT) X-ASG-Debug-ID: 1396918523-04cbb054b9bacee0001-NocioJ Received: from ipmail05.adl6.internode.on.net (ipmail05.adl6.internode.on.net [150.101.137.143]) by cuda.sgi.com with ESMTP id hl1EidHuyPNvRNHc for ; Mon, 07 Apr 2014 17:55:25 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.143 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AmpVAIRIQ1N5LEcvPGdsb2JhbABZgwaDSoULtwyFX4EjFwMBAQEBODWCJQEBAQQ6HCMQCAMOBwMJJQ8FJQMHGhOHeMs6FxaOWweEOASYWophiyEr Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail05.adl6.internode.on.net with ESMTP; 08 Apr 2014 10:24:23 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WXKIr-0005wU-5G; Tue, 08 Apr 2014 10:54:17 +1000 Date: Tue, 8 Apr 2014 10:54:17 +1000 From: Dave Chinner To: Namjae Jeon Cc: viro@zeniv.linux.org.uk, hch@infradead.org, tytso@mit.edu, adilger.kernel@dilger.ca, jack@suse.cz, lczerner@redhat.com, linux-fsdevel@vger.kernel.org, xfs@oss.sgi.com, linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org, Namjae Jeon Subject: Re: [PATCH 0/3] fs: Introduce FALLOC_FL_INSERT_RANGE for fallocate Message-ID: <20140408005417.GI27017@dastard> X-ASG-Orig-Subj: Re: [PATCH 0/3] fs: Introduce FALLOC_FL_INSERT_RANGE for fallocate References: <1396277611-10759-1-git-send-email-linkinjeon@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1396277611-10759-1-git-send-email-linkinjeon@gmail.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail05.adl6.internode.on.net[150.101.137.143] X-Barracuda-Start-Time: 1396918523 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4673 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Mon, Mar 31, 2014 at 11:53:31PM +0900, Namjae Jeon wrote: > From: Namjae Jeon > > FALLOC_FL_INSERT_RANGE was mentioned as the opposite command of collapse > range from discussion between Hugh Dickins and Dave Chinner. > > In continuation of the work of making the process of non linear editing of > media files faster, we introduce here the new flag FALLOC_FL_INSERT_RANGE > for fallocate. > > This flag will work opposite to the newly added FALLOC_FL_COLLAPSE_RANGE flag. > As such, specifying FALLOC_FL_INSERT_RANGE flag will insert zeroed-out space > in between the file within the range specified by offset and len. User can > write new data in this space. e.g. ads. > Like collapse range, currently we have the limitation that offset and len > should be block size aligned for both XFS and Ext4. > > The semantics of the flag are : > 1) It allocates new zeroed out on disk space of len bytes starting > at offset byte without overwriting any existing data. All the data blocks > from offset to EOF are shifted towards right to make space for inserting > new blocks > 2) It should be used exclusively. No other fallocate flag in combination. > 3) Offset and length supplied to fallocate should be fs block size aligned > in case of xfs and ext4. > 4) Insert range does not work for the case when offset is overlapping/beyond > i_size. If the user wants to allocate space at the end of file they are > advised to use either ftruncate(2) or fallocate(2) with mode 0. > 5) It increses the size of file by len bytes. > > Namjae Jeon (3): > fs: Add FALLOC_FL_INSERT_RANGE flags for fallocate > xfs: Add support FALLOC_FL_INSERT_RANGE for fallocate > ext4: Add support FALLOC_FL_INSERT_RANGE for fallocate > TODO : xfsprog: xfsio: Add support FALLOC_FL_INSERT_RANGE for fallocate > TODO : xfstests: Add insert range testcase Namjae, what's your proposed timeframe on getting the xfs_io and tes cases sorted out? I'm just trying to plan ahead for the next couple of months (i.e. the 3.16 merge cycle), so some indication of whether I can expect this to be complete and ready for merge within that timeframe would be helpful to me. FWIW, it would be really nice if you could add support for fsx and fsstress for this as well as adding corner case tests. :) Cheers, Dave. -- Dave Chinner david@fromorbit.com From david@fromorbit.com Mon Apr 7 20:50:31 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 6AED78028 for ; Mon, 7 Apr 2014 20:50:31 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id D3564AC012 for ; Mon, 7 Apr 2014 18:50:27 -0700 (PDT) X-ASG-Debug-ID: 1396921824-04cb6c5678d9f750001-NocioJ Received: from ipmail05.adl6.internode.on.net (ipmail05.adl6.internode.on.net [150.101.137.143]) by cuda.sgi.com with ESMTP id tmtEJzI2ZGPwNDVU for ; Mon, 07 Apr 2014 18:50:25 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.143 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AmRFAJtVQ1N5LEcvPGdsb2JhbABZgwY7gw+8F4VfgSMXAwEBAQE4NYIlAQEBAwE6HBgLBQsIAxgJJQ8FJQMHGhOHcQcOyxsTBBaNcxFXB4MkgRQElG+Da5YCK4Et Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail05.adl6.internode.on.net with ESMTP; 08 Apr 2014 11:20:13 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WXLAy-00063x-3t; Tue, 08 Apr 2014 11:50:12 +1000 Date: Tue, 8 Apr 2014 11:50:12 +1000 From: Dave Chinner To: Keyur Govande Cc: linux-fsdevel@vger.kernel.org, xfs@oss.sgi.com Subject: Re: XFS fragmentation on file append Message-ID: <20140408015012.GB22917@dastard> X-ASG-Orig-Subj: Re: XFS fragmentation on file append References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail05.adl6.internode.on.net[150.101.137.143] X-Barracuda-Start-Time: 1396921824 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4674 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- [cc the XFS mailing list ] On Mon, Apr 07, 2014 at 06:53:46PM -0400, Keyur Govande wrote: > Hello, > > I'm currently investigating a MySQL performance degradation on XFS due > to file fragmentation. > > The box has a 16 drive RAID 10 array with a 1GB battery backed cache > running on a 12 core box. > > xfs_info shows: > meta-data=/dev/sda4 isize=256 agcount=24, agsize=24024992 blks > = sectsz=512 attr=2, projid32bit=0 > data = bsize=4096 blocks=576599552, imaxpct=5 > = sunit=16 swidth=512 blks > naming = version 2 bsize=4096 ascii-ci=0 > log = internal bsize=4096 blocks=281552, version=2 > = sectsz=512 sunit=16 blks, lazy-count=1 > realtime = none extsz=4096 blocks=0, rtextents=0 > > The kernel version is: 3.14.0-1.el6.elrepo.x86_64 and the XFS > partition is mounted with: rw,noatime,allocsize=128m,inode64,swalloc. > The partition is 2TB in size and 40% full to simulate production. > > Here's a test program that appends 512KB like MySQL does (write and > then fsync). To exacerbate the issue, it loops a bunch of times: > https://gist.github.com/keyurdg/961c19175b81c73fdaa3 > > When run, this creates ~9500 extents most of length 1024. 1024 of what? Most likely it is 1024 basic blocks, which is 512KB, the size of your writes. Could you post the output of the xfs_bmap commands you are using to get this information? > cat'ing the > file to /dev/null after dropping the caches reads at an average of 75 > MBps, way less than the hardware is capable of. What you are doing is "open-seekend-write-fsync-close". You haven't told the filesystem you are doing append writes (O_APPEND, or the append inode flag) so it can't optimise for them. You are also cleaning the file before closing it, so you are defeating the current heuristics that XFS uses to determine whether to remove speculative preallocation on close() - if the inode is dirty at close(), then it won't be removed. Hence speculative preallocation does nothing for your IO pattern (i.e. the allocsize mount option is completely useless). Remove the fsync and you'll see your fragmentation problem go away completely. > When I add a posix_fallocate before calling pwrite() as shown here > https://gist.github.com/keyurdg/eb504864d27ebfe7b40a the file > fragments an order of magnitude less (~30 extents), and cat'ing to > /dev/null proceeds at ~1GBps. That should make no difference on XFS as you are only preallocating the 512KB region beyond EOF that you are about to write into and hence both delayed allocation and preallocation have the same allocation target (the current EOF block). Hence in both cases the allocation patterns should be identical if the freespace extent they are being allocated out of are identical. Did you remove the previous test files and sync the filesystem between test runs so that the available freespace was identical for the different test runs? If you didn't then the filesystem allocated the files out of different free space extents and hence you'll get different allocation patterns... > The same behavior is seen even when the allocsize option is removed > and the partition remounted. See above. > This is somewhat unexpected and I'm working on a patch to add > fallocate to MySQL, wanted to check in here if I'm missing anything > obvious here. fallocate() of 512KB sized regions will not prevent fragmentation into 512KB sized extents with the write pattern you are using. If you use the inode APPEND attribute for your log files, this lets the filesystem optimise it's block management for append IO. In the case of XFS, it then will not remove preallocation beyond EOF when the fd is closed because the next write will be at EOF where the speculative preallocation already exists. Then allocsize=128M will actually work for your log files.... Alternatively, set an extent size hint on the log files to define the minimum sized allocation (e.g. 32MB) and this will limit fragmentation without you having to modify the MySQL code at all... Cheers, Dave. -- Dave Chinner david@fromorbit.com From zwu.kernel@gmail.com Mon Apr 7 20:59:09 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=FREEMAIL_FROM,T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 0DD77802E for ; Mon, 7 Apr 2014 20:59:09 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id D0E3C304059 for ; Mon, 7 Apr 2014 18:59:05 -0700 (PDT) X-ASG-Debug-ID: 1396922343-04bdf0743a1e0840001-NocioJ Received: from mail-yh0-f53.google.com (mail-yh0-f53.google.com [209.85.213.53]) by cuda.sgi.com with ESMTP id 80AVtV8HUvbuBOTK (version=TLSv1 cipher=RC4-SHA bits=128 verify=NO) for ; Mon, 07 Apr 2014 18:59:03 -0700 (PDT) X-Barracuda-Envelope-From: zwu.kernel@gmail.com X-Barracuda-Apparent-Source-IP: 209.85.213.53 X-Barracuda-IPDD: Level1 [gmail.com/209.85.213.53] Received: by mail-yh0-f53.google.com with SMTP id v1so264935yhn.40 for ; Mon, 07 Apr 2014 18:59:03 -0700 (PDT) X-Barracuda-IPDD: Level1 [gmail.com/209.85.213.53] X-Barracuda-IPDD: Level1 [gmail.com/209.85.213.53] DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=f9YaLIOm8k0Yocrnjjh0lxr37QdCZ7DD/ugrmOIbiPU=; b=i3stcFmearBjv7bz+NfrTLkSfjtiIr17PfxnpKkJk97qkGEe9khEKqNwCswXvdOcIn +Hbd1TzHgCDJCtT86UCBAX7r3MXC6UGjbQu+0XIahwqzfkDMJlMsE4mbxZu8exIZJZD9 D2Q3R56AOAli0jJK2YOSReoHUwLaJ9w9z8Ydsd6V+RGNQYu5XhlhR8zBZYnFj7ugQcHY wxAShW4jTuNYvxLtqmmNaDxN2LJYANEj4jTKs3Dc67Y4KhB97wtLRTkMFD6p2B9Gjt98 TMI36bQh7L7ldgJiqH4MtzWIDyK1KBqvcPvDZmDjedUs6QisroxoVaTfxqQBENmlQwSg fIww== MIME-Version: 1.0 X-Received: by 10.236.39.72 with SMTP id c48mr1167866yhb.89.1396922343017; Mon, 07 Apr 2014 18:59:03 -0700 (PDT) Received: by 10.170.207.71 with HTTP; Mon, 7 Apr 2014 18:59:02 -0700 (PDT) In-Reply-To: References: Date: Tue, 8 Apr 2014 09:59:02 +0800 Message-ID: Subject: Re: [Bug] XFS: DIO random write + BufferIO read From: Zhi Yong Wu X-ASG-Orig-Subj: Re: [Bug] XFS: DIO random write + BufferIO read To: xfstests Cc: Dave Chinner , "linux-fsdevel@vger.kernel.org" Content-Type: text/plain; charset=ISO-8859-1 X-Barracuda-Connect: mail-yh0-f53.google.com[209.85.213.53] X-Barracuda-Start-Time: 1396922343 X-Barracuda-Encrypted: RC4-SHA X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=DKIM_SIGNED, DKIM_VERIFIED X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4674 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- -0.00 DKIM_VERIFIED Domain Keys Identified Mail: signature passes verification 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature any comments? On Fri, Apr 4, 2014 at 11:09 PM, Zhi Yong Wu wrote: > HI > > When i try something on XFS filesytem, i hit one issue as below: > > One main task create multiple threads at first, Then it will dio > random write some files with random offset and length for each thread. > When those files get ready, those multiple threads will bufferio read > them and check if the data are same as their corresponding buffer. In > theory, they should be same, but the actual result isn't what we > expect > > By the way, i did the same try on ext3 filesystem, but didn't get any > such issue. > > Below is the test code: > > #include > #include > #include > #include > #include > #include > #include > #include > #include > #include > #include > #include > #include > #include > #include > > using namespace std; > > #define AIO_BLKSIZE 4096 > #define AIO_MAXIO 64 > > static long gettid() > { > return static_cast(pthread_self()); > } > > static void* aioThreadWrapper(void* arg); > > class DioTest; > struct cbParam { > cbParam(DioTest* p, int fileseq) :p_(p), fileseq_(fileseq) {} > > DioTest* p_; > int fileseq_; > }; > > > class DioTest > { > public: > DioTest(const char* name) { > filename = name; > memset(&myctx, 0, sizeof(myctx)); > io_queue_init(AIO_MAXIO, &myctx); > pthread_t tid; > pthread_create(&tid, NULL, aioThreadWrapper, this); > } > > void wr_done(int fileseq, struct iocb *iocb, long res, long res2) { > close(iocb->aio_fildes); > > if (res2 != 0) { > printf("aio write error n"); > abort(); > } > if (res != iocb->u.c.nbytes) { > printf("write missed bytes expect %ld got %ld n", > iocb->u.c.nbytes, res); > abort(); > } > size_t length = iocb->u.c.nbytes; > size_t offset = iocb->u.c.offset; > char path[1024]; > snprintf(path, sizeof(path), "%s%d", filename, fileseq); > int fd = open(path, O_RDONLY); > assert(fd >= 0); > char* readbuf = (char*)malloc(length); > assert(readbuf); > > memset(readbuf, 0, length); > ssize_t ret = pread(fd, readbuf, length, offset); > assert (ret == length); > close(fd); > > int cmp = memcmp(readbuf, iocb->u.c.buf, length); > if (cmp != 0) > { > printf("tid=%ld data dismatch.cmp=%d file=%s > offset=%lu length=%lu!\n", > gettid(), cmp, path, offset, length); > abort(); > } > printf("tid=%ld check=success file=%s offset=%lu length=%lu\n", > gettid(), path, offset, length); > > free(iocb->u.c.buf); > free(iocb); > free(readbuf); > } > > bool writeRequest(int fileseq, size_t offset, size_t length) { > struct iocb *io = (struct iocb *)malloc(sizeof(struct iocb)); > assert (io); > char path[1024]; > snprintf(path, sizeof(path), "%s%d", filename, fileseq); > int fd = open(path, O_RDWR|O_DIRECT|O_CREAT, S_IWUSR | S_IRUSR); > assert (fd >= 0); > void* buf=NULL; > int ret = posix_memalign(&buf, getpagesize(), length); > assert(ret == 0); > memset(buf, 'a', length); > io_prep_pwrite(io, fd, buf, length, offset); > io->data = new cbParam(this, fileseq); > > int rc = io_submit(myctx, 1, &io); > if (rc < 0){ > printf("tid=%ld io_submit fail.file=%s offset=%lu > length=%lu ret=%d errno=%s\n", > gettid(), path, offset, length, ret, strerror(errno)); > close(fd); > free(buf); > delete (cbParam*)(io->data); > free(io); > return false; > } > assert (rc != 0); > printf("tid=%ld file=%s offset=%lu length=%lu\n",gettid(), > path, offset, length); > return true; > } > > void aioThread() { > while (true) > { > struct io_event events[AIO_MAXIO]; > io_callback_t cb; > int ret = io_getevents(myctx, 1, AIO_MAXIO, events, NULL); > printf("tid=%ld %d io_request completed \n", gettid(), ret); > > for (int i = 0; i < ret; i++) { > struct iocb *io = events[i].obj; > printf("tid=%ld events[%d]res = %ld, res2 = %ld\n", > gettid(), i, events[i].res, events[i].res2); > > cbParam* param = (cbParam*)io->data; > DioTest* p = param->p_; > p->wr_done(param->fileseq_, io, events[i].res, > events[i].res2); > delete param; > } > } > } > private: > io_context_t myctx; > const char* filename; > }; > > static void* aioThreadWrapper(void* arg) > { > DioTest* p = (DioTest*)arg; > p->aioThread(); > return NULL; > } > > int main(int args, char *argv[]) > { > if (args < 2) { > printf("./%s filename", argv[0]); > exit(1); > } > const char* filename = argv[1]; > srand(time(NULL)); > vector dioTests; > const int threadNumber = 9; > > for (int i = 0; i < threadNumber; ++i) { > dioTests.push_back(new DioTest(filename)); > } > > while (true) { > size_t offset = (rand() % (64*1024*1024/AIO_BLKSIZE)) * AIO_BLKSIZE; > size_t length = 0; > while (length == 0) { > length = abs(static_cast(rand()*1.0/RAND_MAX*16))*AIO_BLKSIZE; > } > > int seq = rand() % 100; > DioTest* p = dioTests[rand() % threadNumber]; > for (int i = 0; i < 4; ++i){ > p->writeRequest(seq, offset, length); > offset += (length + 4096); > } > usleep(rand() % 10000); > } > return 0; > } > > > -- > Regards, > > Zhi Yong Wu -- Regards, Zhi Yong Wu From safemail5.2@mailsupport.com Mon Apr 7 21:04:39 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.4 required=5.0 tests=HTML_MESSAGE, MSGID_FROM_MTA_HEADER autolearn=no version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 344EA29E00 for ; Mon, 7 Apr 2014 21:04:39 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id 1FB7230405F for ; Mon, 7 Apr 2014 19:04:35 -0700 (PDT) X-ASG-Debug-ID: 1396922669-04cbb054b9bb1c60001-NocioJ Received: from mailrelay008.isp.belgacom.be (mailrelay008.isp.belgacom.be [195.238.6.174]) by cuda.sgi.com with ESMTP id CBGoyc3MFeRPI5lR for ; 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--===============0114254705==-- From sandeen@redhat.com Mon Apr 7 22:27:34 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id A68157FE7 for ; Mon, 7 Apr 2014 22:27:34 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id 37EEBAC017 for ; Mon, 7 Apr 2014 20:27:34 -0700 (PDT) X-ASG-Debug-ID: 1396927649-04bdf05daadd4e20001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id N9h6HQ7qnyDsEU9a for ; Mon, 07 Apr 2014 20:27:30 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx13.intmail.prod.int.phx2.redhat.com (int-mx13.intmail.prod.int.phx2.redhat.com [10.5.11.26]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s383RTWj007772 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Mon, 7 Apr 2014 23:27:29 -0400 Received: from liberator.sandeen.net (ovpn01.gateway.prod.ext.phx2.redhat.com [10.5.9.1]) by int-mx13.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s383RSio014984 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES128-SHA bits=128 verify=NO) for ; Mon, 7 Apr 2014 23:27:29 -0400 Message-ID: <53436CA0.1090106@redhat.com> Date: Mon, 07 Apr 2014 22:27:28 -0500 From: Eric Sandeen User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:24.0) Gecko/20100101 Thunderbird/24.4.0 MIME-Version: 1.0 To: xfs-oss Subject: [PATCH] xfs_repair: fix prefetch queue waiting X-Enigmail-Version: 1.6 X-ASG-Orig-Subj: [PATCH] xfs_repair: fix prefetch queue waiting Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Scanned-By: MIMEDefang 2.68 on 10.5.11.26 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1396927650 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 This fixes a regression caused by: 97b1fcf xfs_repair: fix array overrun in do_inode_prefetch The thread creation loop has 2 ways to exit; either via the loop counter based on thread_count, or the break statement if we've started enough workers to cover all AGs. Whether or not the loop counter "i" reflects the number of threads started depends on whether or not we exited via the break. The above commit prevented us from indexing off the end of the queues[] array if we actually advanced "i" all the way to thread_count, but in the case where we break, "i" is one *less* than the nr of threads started, so we don't wait for completion of all threads, and all hell breaks loose in phase 5. Just stop with the cleverness of re-using the loop counter - instead, explicitly count threads that we start, and then use that counter to wait for each worker to complete. Signed-off-by: Eric Sandeen --- I have one fs which demonstrates the problem, and have verified the regression & tested the fix against that. I'll run this over xfstests overnight, but it seems obvious from here (OTOH the other fix seemed obvious too) :( diff --git a/repair/prefetch.c b/repair/prefetch.c index e47a48e..4c32395 100644 --- a/repair/prefetch.c +++ b/repair/prefetch.c @@ -944,6 +944,7 @@ do_inode_prefetch( int i; struct work_queue queue; struct work_queue *queues; + int queues_started = 0; /* * If the previous phases of repair have not overflowed the buffer @@ -987,6 +988,7 @@ do_inode_prefetch( create_work_queue(&queues[i], mp, 1); queue_work(&queues[i], prefetch_ag_range_work, 0, wargs); + queues_started++; if (wargs->end_ag >= mp->m_sb.sb_agcount) break; @@ -995,7 +997,7 @@ do_inode_prefetch( /* * wait for workers to complete */ - while (i--) + for (i = 0; i < queues_started; i++) destroy_work_queue(&queues[i]); free(queues); } From keyurgovande@gmail.com Mon Apr 7 22:42:09 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=FREEMAIL_FROM,T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 785707FEF for ; Mon, 7 Apr 2014 22:42:09 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id 44F5B8F8035 for ; Mon, 7 Apr 2014 20:42:06 -0700 (PDT) X-ASG-Debug-ID: 1396928523-04bdf05dabdd5a80001-NocioJ Received: from mail-wi0-f171.google.com (mail-wi0-f171.google.com [209.85.212.171]) by cuda.sgi.com with ESMTP id FPqVJFNP0bGOrr80 (version=TLSv1 cipher=RC4-SHA bits=128 verify=NO) for ; Mon, 07 Apr 2014 20:42:04 -0700 (PDT) X-Barracuda-Envelope-From: keyurgovande@gmail.com X-Barracuda-Apparent-Source-IP: 209.85.212.171 X-Barracuda-IPDD: Level1 [gmail.com/209.85.212.171] Received: by mail-wi0-f171.google.com with SMTP id q5so6277464wiv.4 for ; Mon, 07 Apr 2014 20:42:02 -0700 (PDT) X-Barracuda-IPDD: Level1 [gmail.com/209.85.212.171] X-Barracuda-IPDD: Level1 [gmail.com/209.85.212.171] DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=U8jQEii0pt6soJDCcW/eRqetssgBSKFEeyxKoteaW1Q=; b=QRJKRqBPBaoo6TeDEUBF/tslcMd7IJpIY0gWxcvG97rbv01CthSbyq6Abmb8D6MrjI qvCqYk1oUMRFR8KfgeAxWIYWWFP9V3Op7xV/rIWrK+SedWYdgBxf2cGxsFYWSjpL91xM dWSA+PQI9R2fCebvMdo9+QZEUC48AlXi4su6JkwfevAiH9SN21Zk/Sue0S8NW6Op/c71 A3/y0+0gsBIgrFWL+gwMTMtffO6x5PDw36qpo7ro2JGpuO9cas/YG98A2ZSsuI9z/D2s X8ZmuWi1VmjhUGeLTbGkgHije9357K5xUrnrBqDG9rlhrwnEK9Ro4MXxXU0uQHntr8Nz PAXg== MIME-Version: 1.0 X-Received: by 10.180.126.38 with SMTP id mv6mr2140388wib.46.1396928522776; Mon, 07 Apr 2014 20:42:02 -0700 (PDT) Received: by 10.227.97.136 with HTTP; Mon, 7 Apr 2014 20:42:02 -0700 (PDT) In-Reply-To: <20140408015012.GB22917@dastard> References: <20140408015012.GB22917@dastard> Date: Mon, 7 Apr 2014 23:42:02 -0400 Message-ID: Subject: Re: XFS fragmentation on file append From: Keyur Govande X-ASG-Orig-Subj: Re: XFS fragmentation on file append To: Dave Chinner Cc: linux-fsdevel@vger.kernel.org, xfs@oss.sgi.com Content-Type: text/plain; charset=ISO-8859-1 X-Barracuda-Connect: mail-wi0-f171.google.com[209.85.212.171] X-Barracuda-Start-Time: 1396928523 X-Barracuda-Encrypted: RC4-SHA X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=DKIM_SIGNED, DKIM_VERIFIED X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4675 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- -0.00 DKIM_VERIFIED Domain Keys Identified Mail: signature passes verification 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature On Mon, Apr 7, 2014 at 9:50 PM, Dave Chinner wrote: > [cc the XFS mailing list ] > > On Mon, Apr 07, 2014 at 06:53:46PM -0400, Keyur Govande wrote: >> Hello, >> >> I'm currently investigating a MySQL performance degradation on XFS due >> to file fragmentation. >> >> The box has a 16 drive RAID 10 array with a 1GB battery backed cache >> running on a 12 core box. >> >> xfs_info shows: >> meta-data=/dev/sda4 isize=256 agcount=24, agsize=24024992 blks >> = sectsz=512 attr=2, projid32bit=0 >> data = bsize=4096 blocks=576599552, imaxpct=5 >> = sunit=16 swidth=512 blks >> naming = version 2 bsize=4096 ascii-ci=0 >> log = internal bsize=4096 blocks=281552, version=2 >> = sectsz=512 sunit=16 blks, lazy-count=1 >> realtime = none extsz=4096 blocks=0, rtextents=0 >> >> The kernel version is: 3.14.0-1.el6.elrepo.x86_64 and the XFS >> partition is mounted with: rw,noatime,allocsize=128m,inode64,swalloc. >> The partition is 2TB in size and 40% full to simulate production. >> >> Here's a test program that appends 512KB like MySQL does (write and >> then fsync). To exacerbate the issue, it loops a bunch of times: >> https://gist.github.com/keyurdg/961c19175b81c73fdaa3 >> >> When run, this creates ~9500 extents most of length 1024. > > 1024 of what? Most likely it is 1024 basic blocks, which is 512KB, > the size of your writes. Yeah, 1024 basic blocks of 512 bytes each. > > Could you post the output of the xfs_bmap commands you are using to > get this information? I'm getting the extent information via xfs_bmap -v . Here's a sample: https://gist.github.com/keyurdg/291b2a429f03c9a649ad > >> cat'ing the >> file to /dev/null after dropping the caches reads at an average of 75 >> MBps, way less than the hardware is capable of. > > What you are doing is "open-seekend-write-fsync-close". You haven't > told the filesystem you are doing append writes (O_APPEND, or the > append inode flag) so it can't optimise for them. I tried this; adding O_APPEND the the open() in the pathological pwrite.c makes no difference to the extent allocation and hence the read performance. > > You are also cleaning the file before closing it, so you are > defeating the current heuristics that XFS uses to determine whether > to remove speculative preallocation on close() - if the inode is > dirty at close(), then it won't be removed. Hence speculative > preallocation does nothing for your IO pattern (i.e. the allocsize > mount option is completely useless). Remove the fsync and you'll > see your fragmentation problem go away completely. I agree, but the MySQL data files (*.ibd) on our production cluster are appended to in bursts and they have thousands of tiny (512KB) extents. Getting rid of fsync is not possible given the use case. Arguably, MySQL does not close the files, but it writes out infrequently enough that I couldn't make a good and small test case for it. But the output of xfs_bmap is exactly the same as that of pwrite.c > >> When I add a posix_fallocate before calling pwrite() as shown here >> https://gist.github.com/keyurdg/eb504864d27ebfe7b40a the file >> fragments an order of magnitude less (~30 extents), and cat'ing to >> /dev/null proceeds at ~1GBps. > > That should make no difference on XFS as you are only preallocating > the 512KB region beyond EOF that you are about to write into and > hence both delayed allocation and preallocation have the same > allocation target (the current EOF block). Hence in both cases the > allocation patterns should be identical if the freespace extent they > are being allocated out of are identical. > > Did you remove the previous test files and sync the filesystem > between test runs so that the available freespace was identical for > the different test runs? If you didn't then the filesystem allocated > the files out of different free space extents and hence you'll get > different allocation patterns... I do clear everything and sync the FS before every run, and this is reproducible across multiple machines in our cluster. I've re-run the programs at least a 1000 times now, and every time get the same results. For some reason even the tiny 512KB fallocate() seems to be triggering some form of extent "merging" and placement. I tried this on ext4 as well: with and without fallocate perform exactly the same (~450 MBps), but XFS with fallocate is 2X faster (~1 GBps). > >> The same behavior is seen even when the allocsize option is removed >> and the partition remounted. > > See above. > >> This is somewhat unexpected and I'm working on a patch to add >> fallocate to MySQL, wanted to check in here if I'm missing anything >> obvious here. > > fallocate() of 512KB sized regions will not prevent fragmentation > into 512KB sized extents with the write pattern you are using. > > If you use the inode APPEND attribute for your log files, this lets > the filesystem optimise it's block management for append IO. In the > case of XFS, it then will not remove preallocation beyond EOF when > the fd is closed because the next write will be at EOF where the > speculative preallocation already exists. Then allocsize=128M will > actually work for your log files.... > > Alternatively, set an extent size hint on the log files to define > the minimum sized allocation (e.g. 32MB) and this will limit > fragmentation without you having to modify the MySQL code at all... > I tried enabling extsize to 32MB, but it seems to make no difference. [kgovande@host]# xfs_io -c "extsize" /var/lib/mysql/xfs/plain_pwrite.werr [33554432] /var/lib/mysql/xfs/plain_pwrite.werr [kgovande@host]# xfs_bmap -v /var/lib/mysql/xfs/*.werr | wc -l 20001 [kgovande@host]# sync; echo 3 > /proc/sys/vm/drop_caches; pv plain_pwrite.werr > /dev/null 9.77GB 0:02:41 [61.7MB/s] [========================================>] 100% # With fallocate [kgovande@host]# xfs_bmap -v /var/lib/mysql/xfs/*.werr | wc -l [kgovande@host]# sync; echo 3 > /proc/sys/vm/drop_caches; pv falloc_pwrite.werr > /dev/null 9.77GB 0:00:09 [1.03GB/s] [========================================>] 100% > Cheers, > > Dave. > -- > Dave Chinner > david@fromorbit.com From pocas.jamie@gmail.com Mon Apr 7 22:56:18 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=FREEMAIL_FROM,HTML_MESSAGE, T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 9F6017FC2 for ; Mon, 7 Apr 2014 22:56:18 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id 4AA6D304053 for ; Mon, 7 Apr 2014 20:56:15 -0700 (PDT) X-ASG-Debug-ID: 1396929370-04bdf0743a1e7720001-NocioJ Received: from mail-la0-f43.google.com (mail-la0-f43.google.com [209.85.215.43]) by cuda.sgi.com with ESMTP id W3hR6ALqFlQpBFQH (version=TLSv1 cipher=RC4-SHA bits=128 verify=NO) for ; Mon, 07 Apr 2014 20:56:12 -0700 (PDT) X-Barracuda-Envelope-From: pocas.jamie@gmail.com X-Barracuda-Apparent-Source-IP: 209.85.215.43 X-Barracuda-IPDD: Level1 [gmail.com/209.85.215.43] Received: by mail-la0-f43.google.com with SMTP id e16so317936lan.30 for ; Mon, 07 Apr 2014 20:56:10 -0700 (PDT) X-Barracuda-IPDD: Level1 [gmail.com/209.85.215.43] X-Barracuda-IPDD: Level1 [gmail.com/209.85.215.43] DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=muXswuTIIHFMmIvgodip0sky8kQAL4IhrtMBTIfuA9E=; b=fu9uOJP4pMbkH6bdZh1wEGNCL49ddlIrnXMsx0TZae8XmPlxTfWsYyixwcj/FdTGAK smzXNFXm4V2Br/JgDLvMCALdwFQ/tmkx65rWc2b077sNcrdRbOO0AMHsLpItxLG8SWRx GDg8woyDp3Cy1ncfeNSEUhxUxmRBfsVFMNupF/n7AI2RcqsAOgp+4xxu4c8Y89puPa/l oPj8Ywm61jQN/rVtEDdzRIEcWpU6yp08UIBSx5kMdozgG+A7QyV2kh5cMY03+M2HqG9a azzNI4TY57GV8loWg1xCr0N4wqJh8JvV1MkLNn/arJRaRDlVo3CvIUEEBKCSmF8JPNpL 9LDQ== MIME-Version: 1.0 X-Received: by 10.112.135.106 with SMTP id pr10mr920553lbb.24.1396929370256; Mon, 07 Apr 2014 20:56:10 -0700 (PDT) Received: by 10.114.200.71 with HTTP; Mon, 7 Apr 2014 20:56:10 -0700 (PDT) Received: by 10.114.200.71 with HTTP; Mon, 7 Apr 2014 20:56:10 -0700 (PDT) In-Reply-To: References: <20140401204215.GG17603@dastard> <20140402044749.GK17603@dastard> Date: Mon, 7 Apr 2014 23:56:10 -0400 Message-ID: Subject: Re: xfs: invalid requests to request_fn from xfs_repair From: Jamie Pocas X-ASG-Orig-Subj: Re: xfs: invalid requests to request_fn from xfs_repair To: Dave Chinner Cc: xfs@oss.sgi.com Content-Type: multipart/alternative; boundary=089e012292f8e3f9dd04f67ff6d5 X-Barracuda-Connect: mail-la0-f43.google.com[209.85.215.43] X-Barracuda-Start-Time: 1396929371 X-Barracuda-Encrypted: RC4-SHA X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=DKIM_SIGNED, DKIM_VERIFIED, HTML_MESSAGE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4676 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- -0.00 DKIM_VERIFIED Domain Keys Identified Mail: signature passes verification 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature 0.00 HTML_MESSAGE BODY: HTML included in message --089e012292f8e3f9dd04f67ff6d5 Content-Type: text/plain; charset=ISO-8859-1 Hi Dave, Okay, I think I've found a workaround but I don't have the root cause yet. So just to recap there is a macro defined in include/linux/blkdev.h called rq_for_each_segment(bvec, rq, iter). The arguments are of type struct bio_vec*, struct request*, and struct req_iterator respectively. The macro expands to several other macro invocations, which eventually expand to approx. 40-50 lines of code. (NOTE: in newer kernels the first argument is a bio_vec, and not a bio_vec*. I think this is due to the immutable bio_vec changes, but I could be wrong. For more on that, see http://lwn.net/Articles/544713/ , but I digress.) It seems like in some instances when using O_DIRECT and iterating through the request using the above macro, I see that some fields of iter.bio are not updated to the correct value and macros like blk_rq_cur_sectors(), which ultimately rely on rq->bio, thus do not return the correct values. If I assume (<--- dangerous word) that the sectors are all adjacent, as they really are supposed to be in all my investigation, and use only the bio_vec fields to track progress then the problems go away. I have been running all sorts of data consistency tests since this discovery and I don't have any further problems so far. Also, xfs_repair is returning cleanly as expected now. So basically I am only using blk_rq_pos(rq) once before the loop to get the start sector, and then only relying on fields of bvec after that. For example if I need to count the number of sectors, I can accumulate (bvec->bv_len >> 9) through all the iterations. Summing up all of blk_req_curr_sectors(rq) only worked sometimes, and so was unreliable. Basically, the code to walk the request * looks something like this now, where it used to make use of iter.bio->bi_sector and blk_rq_cur_sectors. sector_t curr_sector = blk_rq_pos(req); unsigned curr_num_sectors = 0; unsigned total_sectors = 0; // Should not do the memory mapping on a discard request, payload is invalid BUG_ON(unlikely(req->cmd_flags & REQ_DISCARD)); /* Iterate through the request */ rq_for_each_segment(bvec, req, iter) { kern_buffer = kmap(bvec->bv_page) + bvec->bv_offset; curr_sector += curr_num_sectors; curr_num_sectors = (bvec->bv_len >> KERNEL_SECTOR_SHIFT); /* Do the transfer to the device. This part is not really relevant to the discussion here but you can just imagine it as a memcpy because that's effectively what's happening a failed copy would return -EFAULT and eventually the request would be ended with blk_end_request_all with an error code*/ kunmap(bvec->bv_page); /* FAIL */ if (ret) { return ret; } total_sectors += curr_num_sectors; // Just for accounting } I am going to run the compiler with -E and examine the rq_for_each_segment() macro expansion to see where the suspected problem happens. If it does look like a bug, I am going to write to LKML. Perhaps it's something I am supposed to implicitly understand that is not well documented (like the rest of O_DIRECT), and they can set me straight. As it stands this doesn't seem to be an xfs issue so I'm going to drop this discussion unless anyone else is interested in this issue or wants more info. Regards, Jamie On Wed, Apr 2, 2014 at 12:47 AM, Dave Chinner wrote: > > > > While iterating through segments in rq_for_each_segment(), for some > > > > requests I am seeing some odd behavior. > > > > > > > > segment 0: iter.bio->bi_sector = 0, blk_rq_cur_sectors(rq) = 903 > // Ok, > > > > this looks normal > > > > segment 1: iter.bio->bi_sector = 1023, blk_rq_cur_sectors(rq) = 7 // > > > > Whoah... this doesn't look right to me > > > > > > Seems fine to me. There's absolutely no reason two separate IOs > > > can't be sub-page sector aligned or discontiguous given the above > > > configuration. If that's what the getblocks callback returned to the > > > DIO layer, then that's what you're going to see in the bios... > > > > > > > > I guess my assumption that sectors would be adjacent was invalid, but > this > > is what I have read in ldd3 and other books and seen in some driver > > examples. So I apologize for my folly and it's another lesson in not > > believing everything you see on the net. The back half of my driver is > > really optimized for transferring a single contiguous lba & transfer > length > > pair (ala SCSI WRITE 16 for example). However in desperation, I had > changed > > the driver to support requests like this (with disjoint sector ranges) > but > > it still seemed odd to me that occasionally some requests would even have > > multiple segments that would *write* the same sectors/lengths. For > example > > I also see requests like the following. > > > > Given: rq_data_dir(rq) == 1 (i.e. a write) > > segment 0: iter.bio->bi_sector = 0, blk_rq_cur_sectors(rq) = 7 // Ok > > segment 1: iter.bio->bi_sector = 0, blk_rq_cur_sectors(rq) = 7 // > > Again? > > segment 2: iter.bio->bi_sector = 0, blk_rq_cur_sectors(rq) = 7 // > Yet > > again? > > segment 3: iter.bio->bi_sector = 0, blk_rq_cur_sectors(rq) = 7 // > > Really? > > ... > > segment 126: iter.bio->bi_sector = 0, blk_rq_cur_sectors(rq) = 7 // > > What's going on? > > // Reminder: segment limit is 128 > > segment 127: iter.bio->bi_sector = 1023, blk_rq_cur_sectors(rq) = 1 // > > Haha, bet you though I was going to say sector = 0! > > That really looks to me like a bug in whatever is building that iter > structure. It looks like there's an off-by-one on each page (should > be 8 sectors not 7) and the bi_sector is not being set correctly to > the sector offset of the bio within the IO. i.e. for a contiguous > IO it should look something like: > > segment 0: iter.bio->bi_sector = 0, blk_rq_cur_sectors(rq) = 8 > segment 1: iter.bio->bi_sector = 8, blk_rq_cur_sectors(rq) = 8 > segment 2: iter.bio->bi_sector = 16, blk_rq_cur_sectors(rq) = 8 > .... > segment 127: iter.bio->bi_sector = 1016, blk_rq_cur_sectors(rq) = 8 > > I highly doubt the direct IO code is doing something wrong, because > a mapping bug like that would show up everywhere and not just in your > special driver.... > > I agree that the iterator *looks* wrong, Like I said earlier, I am just using the rq_for_each_segment() macro (defined in include/linux/blkdev.h and expands to a few dozen lines of code). This is the recommended way of iterating requests instead of using the lower level bio iterating functions or going it yourself which is why it's recommended to use that instead of going deeper and breaking compatibility when the kernel changes. I suspect it's the request itself which was constructed incorrectly, or contains bios that should not have been grouped into the same request, or contains bios that have their bi_sector set incorrectly. > > > The read syscall is for a byte offset (from the fd, set by lseek) > > > and a length, not a range of contiguous sectors on the device. That > > > off/len tuple gets mapped by the underlying filesystem or device > > > into an sector/len via a getblocks callback in the dio code and the > > > bios are then built according to the mappings that are returned. So > > > in many cases the IO that hits the block device looks nothing at all > > > like the IO that came from userspace. > > > > > > > > In general if I were reading a file I agree 100%, but this was the read > > call issued by xfs_repair to read the superblock directly from a block > > device. So I, perhaps wrongly, anticipated straightforward requests or > > maybe even a single 512k request coming down to the request_fn. I should > > have mentioned that this was observed while using xfs_repair earlier in > the > > email though, so no offense intended. There's more of the xfs_repair > strace > > in my response to your next comment below. It fails very early as you can > > imagine when xfs_repair can't read the superblock. > > I figured that this is what you were talking about, but remember > that the block device also does it's own offset->sector mapping in > the direct IO layer. So it's entirely possible that the mapping > function (i.e the getblocks callback) is broken and that is why you > are seeing weird mappings in the bios being built by the direct Io > code. > > This is the xfs_repair tool being run directly against a block device, so if I am reading the fs/direct-io.c code correctly this means that the mapping function (get_block_t) is using fs/block_dev.c:blkdev_get_block(). Is that correct? That function is very short and simple, so I can't imagine how there would be a bug in there. If it were a file on an xfs filesystem, the get_block_t callback would be xfs_get_blocks or xfs_get_blocks_direct (which both internally call __xfs_get_blocks). Is my understanding correct? --089e012292f8e3f9dd04f67ff6d5 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable

Hi Dave,

Okay, I think I've found a workaround but I don't have the root = cause yet. So just to recap there is a macro defined in include/linux/blkde= v.h called=A0rq_for_each_segment(bvec, rq, iter). The arguments are of type= struct bio_vec*, struct request*, and struct req_iterator respectively. Th= e macro expands to several other macro invocations, which eventually expand= to approx. 40-50 lines of code.

(NOTE: in newer kernels the first argument is a bio_vec, and not a bio_v= ec*. I think this is due to the immutable bio_vec changes, but I could be w= rong. For more on that, see htt= p://lwn.net/Articles/544713/ , but I digress.)

It seems like in some instances when using O_DIRECT and iterating throug= h the request using the above macro, I see that some fields of iter.bio are= not updated to the correct value and macros like blk_rq_cur_sectors(), whi= ch ultimately rely on rq->bio, thus do not return the correct values. If= I assume (<--- dangerous word) that the sectors are all adjacent, as th= ey really are supposed to be in all my investigation, and use only the bio_= vec fields to track progress then the problems go away. I have been running= all sorts of data consistency tests since this discovery and I don't h= ave any further problems so far. Also, xfs_repair is returning cleanly as e= xpected now.

So basically I am only using blk_rq_pos(rq) once before the loop to get = the start sector, and then only relying on fields of bvec after that. For e= xample if I need to count the number of sectors, I can accumulate (bvec->= ;bv_len >> 9) through all the iterations. Summing up all of blk_req_c= urr_sectors(rq) only worked sometimes, and so was unreliable. Basically, th= e code to walk the request * looks something like this now, where it used t= o make use of iter.bio->bi_sector and blk_rq_cur_sectors.

=A0 =A0 sector_t curr_sector =3D blk_rq_pos(req);
=A0 =A0 unsigned curr_num_sectors =3D 0;
=A0 =A0 unsigned total_sectors =3D 0;

=A0 =A0 // Should not do the memory mapping on a discard request, payloa= d is invalid
=A0 =A0 BUG_ON(unlikely(req->cmd_flags & REQ_DISCARD));

=A0 =A0 /* Iterate through the request */
=A0 =A0 rq_for_each_segment(bvec, req, iter) {
=A0 =A0 =A0 =A0 kern_buffer =3D kmap(bvec->bv_page) + bvec->bv_offset= ;
=A0 =A0 =A0 =A0 curr_sector +=3D curr_num_sectors;
=A0 =A0 =A0 =A0 curr_num_sectors =3D (bvec->bv_len >> KERNEL_SECTO= R_SHIFT);

=A0 =A0 =A0 =A0 /* Do the transfer to the device. This part is not reall= y relevant to the discussion here
=A0 =A0 =A0 =A0 =A0 =A0but you can just imagine it as a memcpy because that= 's effectively what's happening
=A0 =A0 =A0 =A0 =A0 =A0a failed copy would return -EFAULT and eventually th= e request would be ended with
=A0 =A0 =A0 =A0 =A0 =A0blk_end_request_all with an error code*/

=A0 =A0 =A0 =A0 kunmap(bvec->bv_page);

=A0 =A0 =A0 =A0 /* FAIL */
=A0 =A0 =A0 =A0 if (ret) {
=A0 =A0 =A0 =A0 =A0 =A0 return ret;
=A0 =A0 =A0 =A0 }

=A0 =A0 =A0 =A0 total_sectors +=3D curr_num_sectors; // Just for account= ing
=A0 =A0 }

I am going to run the compiler with -E and examine the rq_for_each_segme= nt() macro expansion to see where the suspected problem happens. If it does= look like a bug, I am going to write to LKML. Perhaps it's something I= am supposed to implicitly understand that is not well documented (like the= rest of O_DIRECT), and they can set me straight.

As it stands this doesn't seem to be an xfs issue so I'm going t= o drop this discussion unless anyone else is interested in this issue or wa= nts more info.

Regards,
Jamie



On Wed, Apr 2, 2014 at = 12:47 AM, Dave Chinner <david@fromorbit.com> wrote:
> > > While iterating through segments = in rq_for_each_segment(), for some
> > > requests I am seeing some odd behavior.
> > >
> > > segment 0: iter.bio->bi_sector =3D 0, blk_rq_cur_sectors(= rq) =3D 903 =A0 // Ok,
> > > this looks normal
> > > segment 1: iter.bio->bi_sector =3D 1023, blk_rq_cur_secto= rs(rq) =3D 7 //
> > > Whoah... this doesn't look right to me
> >
> > Seems fine to me. There's absolutely no reason two separate I= Os
> > can't be sub-page sector aligned or discontiguous given the a= bove
> > configuration. If that's what the getblocks callback returned= to the
> > DIO layer, then that's what you're going to see in the bi= os...
> >
> >
> I guess my assumption that sectors would be adjacent was invalid, but = this
> is what I have read in ldd3 and other books and seen in some driver > examples. So I apologize for my folly and it's another lesson in n= ot
> believing everything you see on the net. The back half of my driver is=
> really optimized for transferring a single contiguous lba & transf= er length
> pair (ala SCSI WRITE 16 for example). However in desperation, I had ch= anged
> the driver to support requests like this (with disjoint sector ranges)= but
> it still seemed odd to me that occasionally some requests would even h= ave
> multiple segments that would *write* the same sectors/lengths. For exa= mple
> I also see requests like the following.
>
> Given: rq_data_dir(rq) =3D=3D 1 (i.e. a write)
> segment =A0 0: iter.bio->bi_sector =3D 0, blk_rq_cur_sectors(rq) = =3D 7 =A0 =A0// Ok
> segment =A0 1: iter.bio->bi_sector =3D 0, blk_rq_cur_sectors(rq) = =3D 7 =A0 =A0//
> Again?
> segment =A0 2: iter.bio->bi_sector =3D 0, blk_rq_cur_sectors(rq) = =3D 7 =A0 =A0// Yet
> again?
> segment =A0 3: iter.bio->bi_sector =3D 0, blk_rq_cur_sectors(rq) = =3D 7 =A0 =A0//
> Really?
> ...
> segment 126: iter.bio->bi_sector =3D 0, blk_rq_cur_sectors(rq) =3D = 7 =A0 =A0//
> What's going on?
> // Reminder: segment limit is 128
> segment 127: iter.bio->bi_sector =3D 1023, blk_rq_cur_sectors(rq) = =3D 1 //
> Haha, bet you though I was going to say sector =3D 0!

That really looks to me like a bug in whatever is building that= iter
structure. It looks like there's an off-by-one on each page (should
be 8 sectors not 7) and the bi_sector is not being set correctly to
the sector offset of the bio within the IO. i.e. for a contiguous
IO it should look something like:

segment =A0 0: iter.bio->bi_sector =3D 0, blk_rq_cur_sectors(rq) =3D 8 segment =A0 1: iter.bio->bi_sector =3D 8, blk_rq_cur_sectors(rq) =3D 8 segment =A0 2: iter.bio->bi_sector =3D 16, blk_rq_cur_sectors(rq) =3D 8<= br> ....
segment 127: iter.bio->bi_sector =3D 1016, blk_rq_cur_sectors(rq) =3D 8<= br>
I highly doubt the direct IO code is doing something wrong, because
a mapping bug like that would show up everywhere and not just in your
special driver....


I agree that the iterator *= looks* wrong, Like I said earlier, I am just using the rq_for_each_segment(= ) macro (defined in include/linux/blkdev.h and expands to a few dozen lines= of code). This is the recommended way of iterating requests instead of usi= ng the lower level bio iterating functions or going it yourself which is wh= y it's recommended to use that instead of going deeper and breaking com= patibility when the kernel changes. I suspect it's the request itself w= hich was constructed incorrectly, or contains bios that should not have bee= n grouped into the same request, or contains bios that have their bi_sector= set incorrectly.
=A0
> > The read syscall is for a byte offset (from the fd, set by lseek)=
> > and a length, not a range of contiguous sectors on the device. Th= at
> > off/len tuple gets mapped by the underlying filesystem or device<= br> > > into an sector/len via a getblocks callback in the dio code and t= he
> > bios are then built according to the mappings that are returned. = So
> > in many cases the IO that hits the block device looks nothing at = all
> > like the IO that came from userspace.
> >
> >
> In general if I were reading a file I agree 100%, but this was the rea= d
> call issued by xfs_repair to read the superblock directly from a block=
> device. So I, perhaps wrongly, anticipated straightforward requests or=
> maybe even a single 512k request coming down to the request_fn. I shou= ld
> have mentioned that this was observed while using xfs_repair earlier i= n the
> email though, so no offense intended. There's more of the xfs_repa= ir strace
> in my response to your next comment below. It fails very early as you = can
> imagine when xfs_repair can't read the superblock.

I figured that this is what you were talking about, but remember
that the block device also does it's own offset->sector mapping in the direct IO layer. So it's entirely possible that the mapping
function (i.e the getblocks callback) is broken and that is why you
are seeing weird mappings in the bios being built by the direct Io
code.


This is the xfs_repair tool= being run directly against a block device, so if I am reading the fs/direc= t-io.c code correctly this means that the mapping function (get_block_t) is= using fs/block_dev.c:blkdev_get_block(). Is that correct? That function is= very short and simple, so I can't imagine how there would be a bug in = there. If it were a file on an xfs filesystem, the get_block_t callback wou= ld be xfs_get_blocks or xfs_get_blocks_direct (which both internally call _= _xfs_get_blocks). Is my understanding correct?

--089e012292f8e3f9dd04f67ff6d5-- From gaowanlong@cn.fujitsu.com Mon Apr 7 23:52:56 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 4C6297FF5 for ; Mon, 7 Apr 2014 23:52:56 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id C9DA1AC016 for ; Mon, 7 Apr 2014 21:52:55 -0700 (PDT) X-ASG-Debug-ID: 1396932767-04cbb054b9bbbd70001-NocioJ Received: from heian.cn.fujitsu.com (cn.fujitsu.com [59.151.112.132]) by cuda.sgi.com with ESMTP id QsA4UxRw1uKA4E2X for ; Mon, 07 Apr 2014 21:52:49 -0700 (PDT) X-Barracuda-Envelope-From: gaowanlong@cn.fujitsu.com X-Barracuda-Apparent-Source-IP: 59.151.112.132 X-IronPort-AV: E=Sophos;i="4.97,814,1389715200"; d="scan'208";a="28981898" Received: from unknown (HELO edo.cn.fujitsu.com) ([10.167.33.5]) by heian.cn.fujitsu.com with ESMTP; 08 Apr 2014 12:50:19 +0800 Received: from G08CNEXCHPEKD02.g08.fujitsu.local (localhost.localdomain [127.0.0.1]) by edo.cn.fujitsu.com (8.14.3/8.13.1) with ESMTP id s384qgL4009121; Tue, 8 Apr 2014 12:52:42 +0800 Received: from G08FNSTD121251.fnst.cn.fujitsu.com (10.167.226.36) by G08CNEXCHPEKD02.g08.fujitsu.local (10.167.33.89) with Microsoft SMTP Server (TLS) id 14.3.146.2; Tue, 8 Apr 2014 12:52:46 +0800 From: Wanlong Gao To: CC: , , , Wanlong Gao Subject: [PATCH] xfstests: fix wallclock possibly wrapped problem Date: Tue, 8 Apr 2014 12:52:18 +0800 X-ASG-Orig-Subj: [PATCH] xfstests: fix wallclock possibly wrapped problem Message-ID: <1396932738-13638-1-git-send-email-gaowanlong@cn.fujitsu.com> X-Mailer: git-send-email 1.9.1.475.ge4eef26 MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.167.226.36] X-Barracuda-Connect: cn.fujitsu.com[59.151.112.132] X-Barracuda-Start-Time: 1396932768 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4677 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- If a test cross two days, the time may be negative, let's use the UTC seconds instead, for example: 2014-04-03 23:43:42 ./check generic/074 generic/075 generic/112 generic/113 generic/132 generic/133 generic/231 FSTYP -- xfs (non-debug) PLATFORM -- Linux/x86_64 vpx-2 3.14.0-00001-g462fa88 MKFS_OPTIONS -- -f -bsize=4096 /dev/vdd MOUNT_OPTIONS -- /dev/vdd /fs/scratch generic/074 100s generic/075 220s generic/112 226s generic/113 188s generic/132 18s generic/133 37s generic/231 -85401s Ran: generic/074 generic/075 generic/112 generic/113 generic/132 generic/133 generic/231 Passed all 7 tests Reported-by: Yuanhan Liu Signed-off-by: Wanlong Gao --- check | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/check b/check index 8f1a6e1..a7e33ea 100755 --- a/check +++ b/check @@ -146,7 +146,7 @@ trim_test_list() _wallclock() { - date "+%H %M %S" | $AWK_PROG '{ print $1*3600 + $2*60 + $3 }' + date "+%s" } _timestamp() -- 1.9.1.475.ge4eef26 From david@fromorbit.com Tue Apr 8 00:31:36 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id C69A029E00 for ; Tue, 8 Apr 2014 00:31:35 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id 72EDBAC016 for ; Mon, 7 Apr 2014 22:31:35 -0700 (PDT) X-ASG-Debug-ID: 1396935092-04bdf05dacddb620001-NocioJ Received: from ipmail07.adl2.internode.on.net (ipmail07.adl2.internode.on.net [150.101.137.131]) by cuda.sgi.com with ESMTP id PIIgEBsUntbP1zIT for ; Mon, 07 Apr 2014 22:31:32 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.131 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AmUGACyJQ1N5LEcv/2dsb2JhbABWA4MGO8R+gR4XdIIlAQEBAwEnExwYCwULCAMYCQwZDwUlAyETh3EHDspoEwQWjWwRRxAHCgeEJwSUcINrkkGDQiuBLQ Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail07.adl2.internode.on.net with ESMTP; 08 Apr 2014 15:01:31 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WXOcw-0006T6-2W; Tue, 08 Apr 2014 15:31:18 +1000 Date: Tue, 8 Apr 2014 15:31:18 +1000 From: Dave Chinner To: Keyur Govande Cc: linux-fsdevel@vger.kernel.org, xfs@oss.sgi.com Subject: Re: XFS fragmentation on file append Message-ID: <20140408053117.GJ27017@dastard> X-ASG-Orig-Subj: Re: XFS fragmentation on file append References: <20140408015012.GB22917@dastard> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail07.adl2.internode.on.net[150.101.137.131] X-Barracuda-Start-Time: 1396935092 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4677 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Mon, Apr 07, 2014 at 11:42:02PM -0400, Keyur Govande wrote: > On Mon, Apr 7, 2014 at 9:50 PM, Dave Chinner wrote: > > [cc the XFS mailing list ] > > > > On Mon, Apr 07, 2014 at 06:53:46PM -0400, Keyur Govande wrote: > >> Hello, > >> > >> I'm currently investigating a MySQL performance degradation on XFS due > >> to file fragmentation. > >> > >> The box has a 16 drive RAID 10 array with a 1GB battery backed cache > >> running on a 12 core box. > >> > >> xfs_info shows: > >> meta-data=/dev/sda4 isize=256 agcount=24, agsize=24024992 blks > >> = sectsz=512 attr=2, projid32bit=0 > >> data = bsize=4096 blocks=576599552, imaxpct=5 > >> = sunit=16 swidth=512 blks > >> naming = version 2 bsize=4096 ascii-ci=0 > >> log = internal bsize=4096 blocks=281552, version=2 > >> = sectsz=512 sunit=16 blks, lazy-count=1 > >> realtime = none extsz=4096 blocks=0, rtextents=0 > >> > >> The kernel version is: 3.14.0-1.el6.elrepo.x86_64 and the XFS > >> partition is mounted with: rw,noatime,allocsize=128m,inode64,swalloc. > >> The partition is 2TB in size and 40% full to simulate production. > >> > >> Here's a test program that appends 512KB like MySQL does (write and > >> then fsync). To exacerbate the issue, it loops a bunch of times: > >> https://gist.github.com/keyurdg/961c19175b81c73fdaa3 > >> > >> When run, this creates ~9500 extents most of length 1024. > > > > 1024 of what? Most likely it is 1024 basic blocks, which is 512KB, > > the size of your writes. > > Yeah, 1024 basic blocks of 512 bytes each. > > > > > Could you post the output of the xfs_bmap commands you are using to > > get this information? > > I'm getting the extent information via xfs_bmap -v . Here's > a sample: https://gist.github.com/keyurdg/291b2a429f03c9a649ad Yup, looks like fragmented free space so it's only finding islands of 512kb of freespace near to the inode to allocate out of. Can you post the output of /proc/mounts so I can check what the allocator behaviour is being used? > >> cat'ing the > >> file to /dev/null after dropping the caches reads at an average of 75 > >> MBps, way less than the hardware is capable of. > > > > What you are doing is "open-seekend-write-fsync-close". You haven't > > told the filesystem you are doing append writes (O_APPEND, or the > > append inode flag) so it can't optimise for them. > > I tried this; adding O_APPEND the the open() in the pathological > pwrite.c makes no difference to the extent allocation and hence the > read performance. Yeah, I had a look at what XFS does and in the close path it doesn't know that the FD was O_APPEND because that state is available to the ->release path. > > You are also cleaning the file before closing it, so you are > > defeating the current heuristics that XFS uses to determine whether > > to remove speculative preallocation on close() - if the inode is > > dirty at close(), then it won't be removed. Hence speculative > > preallocation does nothing for your IO pattern (i.e. the allocsize > > mount option is completely useless). Remove the fsync and you'll > > see your fragmentation problem go away completely. > > I agree, but the MySQL data files (*.ibd) on our production cluster > are appended to in bursts and they have thousands of tiny (512KB) > extents. Getting rid of fsync is not possible given the use case. Sure - just demonstrating that it's the fsync that is causing the problems. i.e. it's application driven behaviour that the filesystem can't easily detect and optimise... > Arguably, MySQL does not close the files, but it writes out > infrequently enough that I couldn't make a good and small test case > for it. But the output of xfs_bmap is exactly the same as that of > pwrite.c Once you've fragmented free space, the only way to defrag it is to remove whatever is using the space between the small freespace extents. Usually the condition occurs when you intermix long lived files with short lived files - removing the short lived files results in fragmented free space that cannot be made contiguous until both the short lived and long lived data has been removed. If you want an idea of whether you've fragmented free space, use the xfs_db freespace command. To see what each ag looks like (change it to iterate all the ags in your fs): $ for i in 0 1 2 3; do echo "*** AG $i:" ; sudo xfs_db -c "freesp -a $i -s" /dev/vda; done *** AG 0: from to extents blocks pct 1 1 129 129 0.02 2 3 119 283 0.05 4 7 125 641 0.11 8 15 93 944 0.16 16 31 64 1368 0.23 32 63 53 2300 0.39 64 127 21 1942 0.33 128 255 16 3145 0.53 256 511 6 1678 0.28 512 1023 1 680 0.11 16384 32767 1 23032 3.87 524288 1048576 1 558825 93.93 total free extents 629 total free blocks 594967 average free extent size 945.893 *** AG 1: from to extents blocks pct 1 1 123 123 0.01 2 3 125 305 0.04 4 7 79 418 0.05 ...... And that will tell us what state your filesystem is in w.r.t. freespace fragmentation... > >> When I add a posix_fallocate before calling pwrite() as shown here > >> https://gist.github.com/keyurdg/eb504864d27ebfe7b40a the file > >> fragments an order of magnitude less (~30 extents), and cat'ing to > >> /dev/null proceeds at ~1GBps. > > > > That should make no difference on XFS as you are only preallocating > > the 512KB region beyond EOF that you are about to write into and > > hence both delayed allocation and preallocation have the same > > allocation target (the current EOF block). Hence in both cases the > > allocation patterns should be identical if the freespace extent they > > are being allocated out of are identical. > > > > Did you remove the previous test files and sync the filesystem > > between test runs so that the available freespace was identical for > > the different test runs? If you didn't then the filesystem allocated > > the files out of different free space extents and hence you'll get > > different allocation patterns... > > I do clear everything and sync the FS before every run, and this is > reproducible across multiple machines in our cluster. Which indicates that you've probably already completely fragmented free space in the filesystems. > I've re-run the > programs at least a 1000 times now, and every time get the same > results. For some reason even the tiny 512KB fallocate() seems to be > triggering some form of extent "merging" and placement. Both methods of allocation shoul dbe doing the same thing - they use exactly the same algorithm to select the next extent to allocate. Can you tell me the: a) inode number of each of the target files that show different output b) the xfs_bmap output of the different files. > > Alternatively, set an extent size hint on the log files to define > > the minimum sized allocation (e.g. 32MB) and this will limit > > fragmentation without you having to modify the MySQL code at all... > > > > I tried enabling extsize to 32MB, but it seems to make no difference. > [kgovande@host]# xfs_io -c "extsize" /var/lib/mysql/xfs/plain_pwrite.werr > [33554432] /var/lib/mysql/xfs/plain_pwrite.werr > [kgovande@host]# xfs_bmap -v /var/lib/mysql/xfs/*.werr | wc -l > 20001 > [kgovande@host]# sync; echo 3 > /proc/sys/vm/drop_caches; pv > plain_pwrite.werr > /dev/null > 9.77GB 0:02:41 [61.7MB/s] [========================================>] 100% Ah, extent size hints are not being considered in xfs_can_free_eofblocks(). I suspect they should be, and that would fix the problem. Can you add this to xfs_can_free_eofblocks() in your kernel and see what happens? /* prealloc/delalloc exists only on regular files */ if (!S_ISREG(ip->i_d.di_mode)) return false; + if (xfs_get_extsz_hint(ip)) + return false; + /* * Zero sized files with no cached pages and delalloc blocks will not * have speculative prealloc/delalloc blocks to remove. */ If that solves the problem, then I suspect that we might need to modify this code to take into account the allocsize mount option as well... Cheers, Dave. -- Dave Chinner david@fromorbit.com From a.m.k.yassin@g.pl Tue Apr 8 01:37:59 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: * X-Spam-Status: No, score=1.8 required=5.0 tests=URG_BIZ autolearn=no version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 0B1F4801B for ; Tue, 8 Apr 2014 01:37:59 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id 8E58C304053 for ; Mon, 7 Apr 2014 23:37:55 -0700 (PDT) X-ASG-Debug-ID: 1396939072-04bdf05dacddfb30001-NocioJ Received: from mail.vps.com ([168.61.8.176]) by cuda.sgi.com with ESMTP id EtzTGstbZWzZ94hu for ; Mon, 07 Apr 2014 23:37:52 -0700 (PDT) X-Barracuda-Envelope-From: a.m.k.yassin@g.pl X-Barracuda-Apparent-Source-IP: 168.61.8.176 Received: from [168.61.8.176] (localhost [IPv6:::1]) by mail.vps.com (Postfix) with ESMTP id 33C1341196; Mon, 7 Apr 2014 07:12:24 -0400 (EDT) Received: from 94.202.194.54 (SquirrelMail authenticated user admin) by 168.61.8.176 with HTTP; Mon, 7 Apr 2014 15:12:24 +0400 Message-ID: <67db95a54d8b9d3e450c931aabd4200f.squirrel@168.61.8.176> Date: Mon, 7 Apr 2014 15:12:24 +0400 Subject: Interesting deal From: "A.M.Yassin" X-ASG-Orig-Subj: Interesting deal Reply-To: a.m.k.yasin@g.pl User-Agent: SquirrelMail/1.4.22 MIME-Version: 1.0 Content-Type: multipart/mixed;boundary="----=_20140407151224_29796" X-Priority: 3 (Normal) Importance: Normal To: undisclosed-recipients:; X-Barracuda-Connect: UNKNOWN[168.61.8.176] X-Barracuda-Start-Time: 1396939072 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 2.27 X-Barracuda-Spam-Status: No, SCORE=2.27 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC2_MV0291, RDNS_NONE, URG_BIZ X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4678 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.67 URG_BIZ BODY: Contains urgent matter 1.50 BSF_SC2_MV0291 Custom rule MV0291 0.10 RDNS_NONE Delivered to trusted network by a host with no rDNS ------=_20140407151224_29796 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 8bit Greeting, My name is Mr. A. M. Yassin, I live and work in Abu Dhabi UAE. I have an urgent business which I believe will interest you. Find the enclose for details. For any reason you cannot open that attachment, please let me know so that I can resend it in the body of the mail, thank you. I wait for your response, Thank you. Regards A. M. 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oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 6CC7A8060 for ; Tue, 8 Apr 2014 03:56:49 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id E10EDAC013 for ; Tue, 8 Apr 2014 01:56:45 -0700 (PDT) X-ASG-Debug-ID: 1396947402-04cb6c5676dbbc20001-NocioJ Received: from ipmail06.adl6.internode.on.net (ipmail06.adl6.internode.on.net [150.101.137.145]) by cuda.sgi.com with ESMTP id I2sRXIHqXRRFViEt for ; Tue, 08 Apr 2014 01:56:43 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.145 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: Ak1YAHK5Q1N5LEcvPGdsb2JhbABZgwaDSoULtwGFX4EcFwMBAQEBODWCJQEBAQQnExwjEAgDGAklDwUlAwcaE4d4yjoXFo1wZAeEOASMf4tch1COMyuBLA Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail06.adl6.internode.on.net with ESMTP; 08 Apr 2014 18:26:16 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WXRpF-0006tp-2W; Tue, 08 Apr 2014 18:56:13 +1000 Date: Tue, 8 Apr 2014 18:56:13 +1000 From: Dave Chinner To: Mark Tinguely Cc: XFS Mailing List Subject: Re: [PATCH] xfsprogs: fix directory hash ordering bug Message-ID: <20140408085612.GK27017@dastard> X-ASG-Orig-Subj: Re: [PATCH] xfsprogs: fix directory hash ordering bug References: <20140328173430.622616177@sgi.com> <20140407190101.292316075@sgi.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140407190101.292316075@sgi.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail06.adl6.internode.on.net[150.101.137.145] X-Barracuda-Start-Time: 1396947402 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4681 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Mon, Apr 07, 2014 at 02:00:34PM -0500, Mark Tinguely wrote: > Commit f5ea1100 ("xfs: add CRCs to dir2/da node blocks") introduced > in 3.10 incorrectly converted the btree hash index array pointer in > xfs_da3_fixhashpath(). It resulted in the the current hash always > being compared against the first entry in the btree rather than the > current block index into the btree block's hash entry array. As a > result, it was comparing the wrong hashes, and so could misorder the > entries in the btree. > > For most cases, this doesn't cause any problems as it requires hash > collisions to expose the ordering problem. However, when there are > hash collisions within a directory there is a very good probability > that the entries will be ordered incorrectly and that actually > matters when duplicate hashes are placed into or removed from the > btree block hash entry array. > > This bug results in an on-disk directory corruption and that results > in directory verifier functions throwing corruption warnings into > the logs. While no data or directory entries are lost, access to > them may be compromised, and attempts to remove entries from a > directory that has suffered from this corruption may result in a > filesystem shutdown. xfs_repair will fix the directory hash > ordering without data loss occuring. > > [dchinner: wrote useful a commit message] > > Ported from equivalent kernel commit c88547a8. > > Signed-off-by: Mark Tinguely > --- > libxfs/xfs_da_btree.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > Index: b/libxfs/xfs_da_btree.c > =================================================================== > --- a/libxfs/xfs_da_btree.c > +++ b/libxfs/xfs_da_btree.c > @@ -1313,7 +1313,7 @@ xfs_da3_fixhashpath( > node = blk->bp->b_addr; > xfs_da3_node_hdr_from_disk(&nodehdr, node); > btree = xfs_da3_node_tree_p(node); > - if (be32_to_cpu(btree->hashval) == lasthash) > + if (be32_to_cpu(btree[blk->index]->hashval) == lasthash) ^^ xfs_da_btree.c: In function 'xfs_da3_fixhashpath': xfs_da_btree.c:1316:7: error: invalid type argument of '->' (have 'struct xfs_da_node_entry') xfs_da_btree.c:1316:7: error: invalid type argument of '->' (have 'struct xfs_da_node_entry') xfs_da_btree.c:1316:7: error: invalid type argument of '->' (have 'struct xfs_da_node_entry') xfs_da_btree.c:1316:7: error: invalid type argument of '->' (have 'struct xfs_da_node_entry') xfs_da_btree.c:1316:7: error: invalid type argument of '->' (have 'struct xfs_da_node_entry') xfs_da_btree.c:1316:7: error: invalid type argument of '->' (have 'struct xfs_da_node_entry') I've fixed the copy I've got in my testing tree, but please be more careful to test patches before you send them for review in future. Cheers, Dave. -- Dave Chinner david@fromorbit.com From lczerner@redhat.com Tue Apr 8 05:07:56 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 2DE2D801C for ; Tue, 8 Apr 2014 05:07:56 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 0633E304043 for ; Tue, 8 Apr 2014 03:07:52 -0700 (PDT) X-ASG-Debug-ID: 1396951671-04cb6c5678dc30a0001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id 3ZQmD2bPGYWtZmvv for ; Tue, 08 Apr 2014 03:07:52 -0700 (PDT) X-Barracuda-Envelope-From: lczerner@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx10.intmail.prod.int.phx2.redhat.com (int-mx10.intmail.prod.int.phx2.redhat.com [10.5.11.23]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s38A7geB026597 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Tue, 8 Apr 2014 06:07:42 -0400 Received: from dhcp-1-245.brq.redhat.com (dhcp-1-245.brq.redhat.com [10.34.1.245]) by int-mx10.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s38A7dkK029979 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Tue, 8 Apr 2014 06:07:41 -0400 Date: Tue, 8 Apr 2014 12:07:39 +0200 (CEST) From: =?ISO-8859-15?Q?Luk=E1=A8_Czerner?= X-X-Sender: lczerner@localhost.localdomain To: Dave Chinner cc: Filipe David Manana , "xfs@oss.sgi.com" , "linux-btrfs@vger.kernel.org" , linux-ext4@vger.kernel.org Subject: Re: [ANNOUNCE] xfstests: updated to cf1ed54 In-Reply-To: <20140404211224.GX17603@dastard> X-ASG-Orig-Subj: Re: [ANNOUNCE] xfstests: updated to cf1ed54 Message-ID: References: <20140404090357.GW17603@dastard> <20140404211224.GX17603@dastard> User-Agent: Alpine 2.00 (LFD 1167 2008-08-23) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII X-Scanned-By: MIMEDefang 2.68 on 10.5.11.23 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1396951671 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Sat, 5 Apr 2014, Dave Chinner wrote: > Date: Sat, 5 Apr 2014 08:12:25 +1100 > From: Dave Chinner > To: Filipe David Manana > Cc: "xfs@oss.sgi.com" , > "linux-btrfs@vger.kernel.org" , > linux-ext4@vger.kernel.org, lczerner@redhat.com > Subject: Re: [ANNOUNCE] xfstests: updated to cf1ed54 > > On Fri, Apr 04, 2014 at 02:07:16PM +0100, Filipe David Manana wrote: > > On Fri, Apr 4, 2014 at 10:03 AM, Dave Chinner wrote: > > > Hi folks, > > > > > > The xfstests repository at git://oss.sgi.com/xfs/cmds/xfstests has > > > just been updated. Patches often get missed, so please check if your > > > outstanding patches were in this update. If they have not been in > > > this update, please resubmit them to xfs@oss.sgi.com so they can be > > > picked up in the next update. > > > > > > The new head of the master branch is commit: > > > > > > cf1ed54 check: fix RESULT_BASE typo in check script > > > > > > The major new functionality worth mentioning in this update is the > > > new config file format from Lukas. The existing format config files > > > should continue to work without change, but the new format is much > > > richer and allows specification of multiple different configurations > > > to run test under. Hence testing multiple mount an dmkfs > > > configurations becomes as simple as iterating the configurations > > > in the config file. > > > > Hi, > > > > I might be missing something, but after checking out these changes, I > > am no longer able to run btrfs tests. Example: > > > > $ ./check btrfs/041 > > common/config: Error: $SCRATCH_DEV should be unset when $SCRATCH_DEV_POOL is set > > Passed all 0 tests > > > > $ cat local.config > > export TEST_DEV=/dev/sdb > > export TEST_DIR=/home/fdmanana/btrfs-tests/dev > > export SCRATCH_MNT="/home/fdmanana/btrfs-tests/scratch_1" > > export SCRATCH_DEV_POOL="/dev/sdc /dev/sdd" > > OK, that'll be a bug in the new config file parsing code. Lukas, > can you have a look at this? Oh, yes. I'll take a look at this. Honestly I was not aware of SCRATCH_DEV_POOL. Thanks! -Lukas > > Cheers, > > Dave. > From bfoster@redhat.com Tue Apr 8 07:04:11 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id DA671806C for ; Tue, 8 Apr 2014 07:04:11 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id AB478304064 for ; Tue, 8 Apr 2014 05:04:08 -0700 (PDT) X-ASG-Debug-ID: 1396958647-04bdf05dacdfe090001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id Hx0npvhx2VSBMZ0v; Tue, 08 Apr 2014 05:04:07 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx12.intmail.prod.int.phx2.redhat.com (int-mx12.intmail.prod.int.phx2.redhat.com [10.5.11.25]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s38C46dU012858 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Tue, 8 Apr 2014 08:04:07 -0400 Received: from bfoster.bfoster ([10.18.41.237]) by int-mx12.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s38C4694031373; Tue, 8 Apr 2014 08:04:06 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id 9A7421256CC; Tue, 8 Apr 2014 08:04:05 -0400 (EDT) Date: Tue, 8 Apr 2014 08:04:05 -0400 From: Brian Foster To: Mark Tinguely Cc: xfs@oss.sgi.com Subject: Re: [FAQ v2] XFS speculative preallocation Message-ID: <20140408120405.GA19662@bfoster.bfoster> X-ASG-Orig-Subj: Re: [FAQ v2] XFS speculative preallocation References: <20140407153906.GC48184@bfoster.bfoster> <53430375.3060203@sgi.com> <20140407214527.GA43531@bfoster.bfoster> <534324D0.3080701@sgi.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <534324D0.3080701@sgi.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-Scanned-By: MIMEDefang 2.68 on 10.5.11.25 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1396958647 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Mon, Apr 07, 2014 at 05:21:04PM -0500, Mark Tinguely wrote: > On 04/07/14 16:45, Brian Foster wrote: > >On Mon, Apr 07, 2014 at 02:58:45PM -0500, Mark Tinguely wrote: > >>On 04/07/14 10:39, Brian Foster wrote: > >>>Hi all, > >>> > >>>This is v2 of the speculative preallocation FAQ bits. The initial > >>>proposal was here: > >>> > >>>http://oss.sgi.com/archives/xfs/2014-03/msg00316.html > >>> > >>>This version includes some updates based on review from arekm and > >>>dchinner. Most notably, the content has been broken down into a few more > >>>questions. Unless there are further major changes required, I'll plan to > >>>post something along these lines to the wiki when my account is > >>>approved. Thanks for the feedback! > >>> > >>>Brian > >>> > >>>--- > >>> > >>>Q: Why do files on XFS use more data blocks than expected? > >>> > >>>A: > >>> > >>>The XFS speculative preallocation algorithm allocates extra blocks > >>>beyond end of file (EOF) to minimise file fragmentation during buffered > >> ^^^ beyond here and then later adopt post-EOF phrasing. > >> > > > >I think you're suggesting a broader terminology change, but I'm not > >quite following. Could you be specific about what "later" bits should > >change? What phrasing in particular..? > > You use "blocks beyond end of file (EOF)" here and then later use > the terminology of "post-EOF" through the rest of the document. Just > pointing out the change in terminology. > > Ok. I was just trying to be more descriptive here, this being the initial question so to speak (i.e., spelling out "end of file"). The remainder uses the abbreviation introduced here. Brian > >>... > >> > >>>See the FAQ entry on speculative preallocation for details. > >>> > >>>Q: What is speculative preallocation? > >>> > >>>A: > >>> > >>>XFS speculatively preallocates post-EOF blocks on file extending writes > >>>in anticipation of future extending writes. The size of a preallocation > >>>is dynamic and depends on the runtime state of the file and fs. > >>>Generally speaking, preallocation is disabled for very small files and > >> vague what is very small? ^^^ > >>... > > > >I originally pointed out 64k, but that and other heuristic details that > >are subject to change were purged in v2. I'm personally not against > >including something that indicates the default and the notion that it's > >subject to change. I don't feel too strongly about it either way. > >Thoughts appreciated. > > > I think the details are good since everyone has a different idea on > "very small". The FAQ can be changed with the code. You can expect > the TOT FAQ to represent Linux 3.0-stable. > > >> > >> > >>>Q: Is speculative preallocation permanent? > >>> > >>>A: > >>> > >>>Although speculative preallocation can lead to reports of excess space > >>>usage, the preallocated space is not permanent unless explicitly made so > >>>via fallocate or a similar interface. Preallocated space can also be > >>>encoded permanently in situations where file size is extended beyond a > >>>range of post-EOF blocks (i.e., via truncate). Otherwise, preallocated > >>>blocks are reclaimed on file close, inode reclaim, unmount or in the > >>>background once file write activity subsides. > >> > >>Switch order? > >> > >>Normally, preallocated > >>blocks are reclaimed on file close, inode reclaim, unmount or in the > >>background once file write activity subsides. They can be explictly > >>made permanent . > >> > > > >Thoughts on the following? > > > >"Preallocated blocks are normally reclaimed on file close, inode > >reclaim, unmount or in the background once file write activity subsides. > >They can be explicitly made permanent via fallocate or a similar > >interface. They can be implicitly made permanent in situations where > >file size is extended beyond a range of post-EOF blocks (i.e., via an > >extending truncate)." > > > > Looks good to me. > > >>> > >>>Q: My workload has known characteristics - can I tune speculative > >>>preallocation to an optimal fixed size? > >>> > >>>A: > >>> > >>>The 'allocsize=' mount option configures the XFS block allocation > >>>algorithm to use a fixed allocation size. Speculative preallocation is > >>>not dynamically resized when the allocsize mount option is set and thus > >>>the potential for fragmentation is increased. XFS historically set > >> > >>sets the > >> > >>>allocsize to 64k by default. > >>> > >> > >> > >>Q: Can I disable S-P-A ? > >> > > > >A: No..? ;) > > > >Are you proposing this with the similar intent to the previous Q (i.e., > >"what's the alternative to the default behavior?"), or with the notion > >that Dave pointed out how technically preallocation is not really "off?" > >Or something else? If the former, we could modify the question: > > > >"My workload has known characteristics - can I disable speculative > >preallocation or tune it to an optimal fixed size?" > > > >Or something along those lines. Would anybody object to also pointing > >out that 'allocsize=4k' (or allocsize=?) could be considered > >"speculative preallocation == off" from the user's perspective? > > > > That sounds good to me. If they know it is there, eventually someone > will ask "can I turn it off?". I would be happy with the answer of > "no, but it can be tuned" and don't tell them how to effectively > turn it off. > > >Thanks for the feedback. > > > >Brian > > > > Thanks for the FAQ. > > --Mark. > From rjohnston@sgi.com Tue Apr 8 07:38:38 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=RP_MATCHES_RCVD autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id CFB6E803F for ; Tue, 8 Apr 2014 07:38:38 -0500 (CDT) Received: from xmail.sgi.com (pv-excas2-dc21.corp.sgi.com [137.38.106.9]) by relay2.corp.sgi.com (Postfix) with ESMTP id 6AA1330404E; Tue, 8 Apr 2014 05:38:38 -0700 (PDT) Received: from [128.162.233.55] (128.162.233.55) by xmail.sgi.com (137.38.106.6) with Microsoft SMTP Server (TLS) id 14.3.123.3; Tue, 8 Apr 2014 07:38:37 -0500 Message-ID: <5343EDCD.5060409@sgi.com> Date: Tue, 8 Apr 2014 07:38:37 -0500 From: Rich Johnston User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.4.0 MIME-Version: 1.0 To: Dave Chinner CC: =?UTF-8?B?QXJrYWRpdXN6IE1pxZtraWV3aWN6?= , Subject: Re: xfsprogs 3.1.12 and 3.2.0 releases? References: <201401201822.48520.arekm@maven.pl> <5342EC72.8060007@sgi.com> <20140407233045.GF27017@dastard> In-Reply-To: <20140407233045.GF27017@dastard> Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 8bit X-Originating-IP: [128.162.233.55] On 04/07/2014 06:30 PM, Dave Chinner wrote: > On Mon, Apr 07, 2014 at 01:20:34PM -0500, Rich Johnston wrote: >> On 01/20/2014 11:22 AM, Arkadiusz Miśkiewicz wrote: >>> >>> Hello. >>> >>> What's needed for both 3.1.12 and 3.2.0 releases to happen? >>> >>> If 3.2.0 is to be released soon then nice. Dave, AFAIK it is waiting for you >>> and xfs_db crc work only? >>> >>> If 3.2.0 is far away then it would be nice to see 3.1.12 with bugfixes only >>> (for those paranoid about new stuff) but 3.1.13 very soon after that with >>> backported features like project quota support, parallelism, performance >>> improvements. >>> >>> Obviously I hope 3.2.0 is soon and there is no need to waste effort on 3.1.x. >>> >> Is there any interest in a 3.1.12 release or will a 3.2.x release >> happen soon? > > 3.2.x should happen soon. I've got a few patches to integrate and > test and then we can move to a 3.2-rc1 release and go from there. Awesome, thanks Dave. > > Cheers, > > Dave. > From bfoster@redhat.com Tue Apr 8 07:58:40 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 1E102805A for ; Tue, 8 Apr 2014 07:58:40 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id A3144AC013 for ; Tue, 8 Apr 2014 05:58:39 -0700 (PDT) X-ASG-Debug-ID: 1396961914-04cb6c5676dd3240001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id j8PboRsnEBEuViM6 for ; Tue, 08 Apr 2014 05:58:35 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx01.intmail.prod.int.phx2.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s38CwYeE031898 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Tue, 8 Apr 2014 08:58:34 -0400 Received: from bfoster.bfoster ([10.18.41.237]) by int-mx01.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id s38CwYvI014987; Tue, 8 Apr 2014 08:58:34 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id 219351256CC; Tue, 8 Apr 2014 08:58:33 -0400 (EDT) Date: Tue, 8 Apr 2014 08:58:33 -0400 From: Brian Foster To: Eric Sandeen Cc: xfs-oss Subject: Re: [PATCH] xfs_repair: fix prefetch queue waiting Message-ID: <20140408125832.GA23051@bfoster.bfoster> X-ASG-Orig-Subj: Re: [PATCH] xfs_repair: fix prefetch queue waiting References: <53436CA0.1090106@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <53436CA0.1090106@redhat.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-Scanned-By: MIMEDefang 2.67 on 10.5.11.11 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1396961914 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Mon, Apr 07, 2014 at 10:27:28PM -0500, Eric Sandeen wrote: > This fixes a regression caused by: > > 97b1fcf xfs_repair: fix array overrun in do_inode_prefetch > > The thread creation loop has 2 ways to exit; either via > the loop counter based on thread_count, or the break statement > if we've started enough workers to cover all AGs. > > Whether or not the loop counter "i" reflects the number of > threads started depends on whether or not we exited via the > break. > > The above commit prevented us from indexing off the end > of the queues[] array if we actually advanced "i" all the > way to thread_count, but in the case where we break, "i" > is one *less* than the nr of threads started, so we don't > wait for completion of all threads, and all hell breaks > loose in phase 5. > > Just stop with the cleverness of re-using the loop counter - > instead, explicitly count threads that we start, and then use > that counter to wait for each worker to complete. > > Signed-off-by: Eric Sandeen > --- > > I have one fs which demonstrates the problem, and have verified > the regression & tested the fix against that. > > I'll run this over xfstests overnight, but it seems obvious > from here (OTOH the other fix seemed obvious too) :( > > diff --git a/repair/prefetch.c b/repair/prefetch.c > index e47a48e..4c32395 100644 > --- a/repair/prefetch.c > +++ b/repair/prefetch.c > @@ -944,6 +944,7 @@ do_inode_prefetch( > int i; > struct work_queue queue; > struct work_queue *queues; > + int queues_started = 0; > > /* > * If the previous phases of repair have not overflowed the buffer > @@ -987,6 +988,7 @@ do_inode_prefetch( > > create_work_queue(&queues[i], mp, 1); > queue_work(&queues[i], prefetch_ag_range_work, 0, wargs); > + queues_started++; > > if (wargs->end_ag >= mp->m_sb.sb_agcount) > break; > @@ -995,7 +997,7 @@ do_inode_prefetch( > /* > * wait for workers to complete > */ > - while (i--) > + for (i = 0; i < queues_started; i++) > destroy_work_queue(&queues[i]); Fix looks good, but any reason to reverse the order of the destroy loop? Brian > free(queues); > } > > _______________________________________________ > xfs mailing list > xfs@oss.sgi.com > http://oss.sgi.com/mailman/listinfo/xfs From kmcmarti@redhat.com Tue Apr 8 08:36:05 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 5FA528068 for ; Tue, 8 Apr 2014 08:36:05 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id CFC28AC016 for ; Tue, 8 Apr 2014 06:36:01 -0700 (PDT) X-ASG-Debug-ID: 1396964160-04cbb054b9be92d0001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id ZdliGNddhqtZAYHp for ; Tue, 08 Apr 2014 06:36:00 -0700 (PDT) X-Barracuda-Envelope-From: kmcmarti@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx14.intmail.prod.int.phx2.redhat.com (int-mx14.intmail.prod.int.phx2.redhat.com [10.5.11.27]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s38DZvRs015847 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Tue, 8 Apr 2014 09:35:57 -0400 Received: from redacted.bos.redhat.com ([10.18.17.143]) by int-mx14.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s38DZs7q023017 (version=TLSv1/SSLv3 cipher=AES128-GCM-SHA256 bits=128 verify=NO); Tue, 8 Apr 2014 09:35:56 -0400 Date: Tue, 8 Apr 2014 09:35:54 -0400 From: Kyle McMartin To: Dave Chinner Cc: xfs@oss.sgi.com Subject: Re: [PATCH 1/2] xfsdump: getdents.c: clean up ifdef-hell around sys_getdents Message-ID: <20140408133554.GD12397@redacted.bos.redhat.com> X-ASG-Orig-Subj: Re: [PATCH 1/2] xfsdump: getdents.c: clean up ifdef-hell around sys_getdents References: <20140324181907.GF23291@redacted.bos.redhat.com> <20140408003311.GH27017@dastard> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140408003311.GH27017@dastard> User-Agent: Mutt/1.5.21 (2010-09-15) X-Scanned-By: MIMEDefang 2.68 on 10.5.11.27 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1396964160 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Tue, Apr 08, 2014 at 10:33:11AM +1000, Dave Chinner wrote: > On Mon, Mar 24, 2014 at 02:19:07PM -0400, Kyle McMartin wrote: > > Remove the ifdef-hell imported from glibc around getdents64. Everything > > since 2.4.1 supports things properly and this seems like a sensible > > clean up, so lets just assume it exists and handle it by falling back > > if not. > > > > Additionally, if the old getdents syscall doesn't exist, just stub out > > the actual syscall and return ENOSYS. > > > > --- > > Kyle, these two patches are missing your SOB. I'm going to assume > you wrote this yourself (given the history, it's a fair bet :) > and add them in - let me know if then assumption is wrong so I can > correct it. That's correct, my apologies for not including it on the submission. Thanks very much Dave. --Kyle From sandeen@sandeen.net Tue Apr 8 08:36:22 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id D345229E12 for ; Tue, 8 Apr 2014 08:36:21 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 4FCAAAC016 for ; Tue, 8 Apr 2014 06:36:20 -0700 (PDT) X-ASG-Debug-ID: 1396964179-04cbb054b9be9360001-NocioJ Received: from sandeen.net (sandeen.net [63.231.237.45]) by cuda.sgi.com with ESMTP id BFlFYWoQakvXBBHh for ; Tue, 08 Apr 2014 06:36:19 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@sandeen.net X-Barracuda-Apparent-Source-IP: 63.231.237.45 Received: from liberator.sandeen.net (liberator.sandeen.net [10.0.0.4]) (using TLSv1 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (No client certificate requested) by sandeen.net (Postfix) with ESMTPSA id 44A8663C3B03; Tue, 8 Apr 2014 08:36:19 -0500 (CDT) Message-ID: <5343FB53.6030902@sandeen.net> Date: Tue, 08 Apr 2014 08:36:19 -0500 From: Eric Sandeen User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:24.0) Gecko/20100101 Thunderbird/24.4.0 MIME-Version: 1.0 To: Brian Foster , Eric Sandeen CC: xfs-oss Subject: Re: [PATCH] xfs_repair: fix prefetch queue waiting References: <53436CA0.1090106@redhat.com> <20140408125832.GA23051@bfoster.bfoster> X-ASG-Orig-Subj: Re: [PATCH] xfs_repair: fix prefetch queue waiting In-Reply-To: <20140408125832.GA23051@bfoster.bfoster> X-Enigmail-Version: 1.6 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Barracuda-Connect: sandeen.net[63.231.237.45] X-Barracuda-Start-Time: 1396964179 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4685 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On 4/8/14, 7:58 AM, Brian Foster wrote: > On Mon, Apr 07, 2014 at 10:27:28PM -0500, Eric Sandeen wrote: >> This fixes a regression caused by: >> >> 97b1fcf xfs_repair: fix array overrun in do_inode_prefetch >> >> The thread creation loop has 2 ways to exit; either via >> the loop counter based on thread_count, or the break statement >> if we've started enough workers to cover all AGs. >> >> Whether or not the loop counter "i" reflects the number of >> threads started depends on whether or not we exited via the >> break. >> >> The above commit prevented us from indexing off the end >> of the queues[] array if we actually advanced "i" all the >> way to thread_count, but in the case where we break, "i" >> is one *less* than the nr of threads started, so we don't >> wait for completion of all threads, and all hell breaks >> loose in phase 5. >> >> Just stop with the cleverness of re-using the loop counter - >> instead, explicitly count threads that we start, and then use >> that counter to wait for each worker to complete. >> >> Signed-off-by: Eric Sandeen >> --- >> >> I have one fs which demonstrates the problem, and have verified >> the regression & tested the fix against that. >> >> I'll run this over xfstests overnight, but it seems obvious >> from here (OTOH the other fix seemed obvious too) :( >> >> diff --git a/repair/prefetch.c b/repair/prefetch.c >> index e47a48e..4c32395 100644 >> --- a/repair/prefetch.c >> +++ b/repair/prefetch.c >> @@ -944,6 +944,7 @@ do_inode_prefetch( >> int i; >> struct work_queue queue; >> struct work_queue *queues; >> + int queues_started = 0; >> >> /* >> * If the previous phases of repair have not overflowed the buffer >> @@ -987,6 +988,7 @@ do_inode_prefetch( >> >> create_work_queue(&queues[i], mp, 1); >> queue_work(&queues[i], prefetch_ag_range_work, 0, wargs); >> + queues_started++; >> >> if (wargs->end_ag >= mp->m_sb.sb_agcount) >> break; >> @@ -995,7 +997,7 @@ do_inode_prefetch( >> /* >> * wait for workers to complete >> */ >> - while (i--) >> + for (i = 0; i < queues_started; i++) >> destroy_work_queue(&queues[i]); > > Fix looks good, but any reason to reverse the order of the destroy loop? simplicity? :) I don't think it matters operationally... -Eric From bfoster@redhat.com Tue Apr 8 08:52:44 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 6FA8B804C for ; Tue, 8 Apr 2014 08:52:44 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id 16D9FAC016 for ; Tue, 8 Apr 2014 06:52:43 -0700 (PDT) X-ASG-Debug-ID: 1396965162-04bdf05dabe08c40001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id RttmmqGUfronutAg for ; Tue, 08 Apr 2014 06:52:42 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx10.intmail.prod.int.phx2.redhat.com (int-mx10.intmail.prod.int.phx2.redhat.com [10.5.11.23]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s38DqfTu020072 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Tue, 8 Apr 2014 09:52:42 -0400 Received: from bfoster.bfoster ([10.18.41.237]) by int-mx10.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s38Dqflq001887; Tue, 8 Apr 2014 09:52:41 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id 4948B1256CC; Tue, 8 Apr 2014 09:52:40 -0400 (EDT) Date: Tue, 8 Apr 2014 09:52:40 -0400 From: Brian Foster To: Eric Sandeen Cc: Eric Sandeen , xfs-oss Subject: Re: [PATCH] xfs_repair: fix prefetch queue waiting Message-ID: <20140408135239.GB23051@bfoster.bfoster> X-ASG-Orig-Subj: Re: [PATCH] xfs_repair: fix prefetch queue waiting References: <53436CA0.1090106@redhat.com> <20140408125832.GA23051@bfoster.bfoster> <5343FB53.6030902@sandeen.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <5343FB53.6030902@sandeen.net> User-Agent: Mutt/1.5.21 (2010-09-15) X-Scanned-By: MIMEDefang 2.68 on 10.5.11.23 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1396965162 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Tue, Apr 08, 2014 at 08:36:19AM -0500, Eric Sandeen wrote: > On 4/8/14, 7:58 AM, Brian Foster wrote: > > On Mon, Apr 07, 2014 at 10:27:28PM -0500, Eric Sandeen wrote: > >> This fixes a regression caused by: > >> > >> 97b1fcf xfs_repair: fix array overrun in do_inode_prefetch > >> > >> The thread creation loop has 2 ways to exit; either via > >> the loop counter based on thread_count, or the break statement > >> if we've started enough workers to cover all AGs. > >> > >> Whether or not the loop counter "i" reflects the number of > >> threads started depends on whether or not we exited via the > >> break. > >> > >> The above commit prevented us from indexing off the end > >> of the queues[] array if we actually advanced "i" all the > >> way to thread_count, but in the case where we break, "i" > >> is one *less* than the nr of threads started, so we don't > >> wait for completion of all threads, and all hell breaks > >> loose in phase 5. > >> > >> Just stop with the cleverness of re-using the loop counter - > >> instead, explicitly count threads that we start, and then use > >> that counter to wait for each worker to complete. > >> > >> Signed-off-by: Eric Sandeen > >> --- > >> > >> I have one fs which demonstrates the problem, and have verified > >> the regression & tested the fix against that. > >> > >> I'll run this over xfstests overnight, but it seems obvious > >> from here (OTOH the other fix seemed obvious too) :( > >> > >> diff --git a/repair/prefetch.c b/repair/prefetch.c > >> index e47a48e..4c32395 100644 > >> --- a/repair/prefetch.c > >> +++ b/repair/prefetch.c > >> @@ -944,6 +944,7 @@ do_inode_prefetch( > >> int i; > >> struct work_queue queue; > >> struct work_queue *queues; > >> + int queues_started = 0; > >> > >> /* > >> * If the previous phases of repair have not overflowed the buffer > >> @@ -987,6 +988,7 @@ do_inode_prefetch( > >> > >> create_work_queue(&queues[i], mp, 1); > >> queue_work(&queues[i], prefetch_ag_range_work, 0, wargs); > >> + queues_started++; > >> > >> if (wargs->end_ag >= mp->m_sb.sb_agcount) > >> break; > >> @@ -995,7 +997,7 @@ do_inode_prefetch( > >> /* > >> * wait for workers to complete > >> */ > >> - while (i--) > >> + for (i = 0; i < queues_started; i++) > >> destroy_work_queue(&queues[i]); > > > > Fix looks good, but any reason to reverse the order of the destroy loop? > > simplicity? :) > Fine by me. :) Reviewed-by: Brian Foster > I don't think it matters operationally... > > -Eric > > > _______________________________________________ > xfs mailing list > xfs@oss.sgi.com > http://oss.sgi.com/mailman/listinfo/xfs From jmoyer@redhat.com Tue Apr 8 09:28:21 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 260D5808E for ; Tue, 8 Apr 2014 09:28:21 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 0DD0F8F8052 for ; Tue, 8 Apr 2014 07:28:18 -0700 (PDT) X-ASG-Debug-ID: 1396967297-04cb6c5677ddb5c0001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id Mv2LOo6AwxSWUqaG for ; Tue, 08 Apr 2014 07:28:17 -0700 (PDT) X-Barracuda-Envelope-From: jmoyer@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s38ESCg6004999 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Tue, 8 Apr 2014 10:28:13 -0400 Received: from segfault.boston.devel.redhat.com (segfault.boston.devel.redhat.com [10.19.60.26]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s38ESAn2021624; Tue, 8 Apr 2014 10:28:11 -0400 From: Jeff Moyer To: Zhi Yong Wu Cc: xfstests , Dave Chinner , jack@suse.cz, "linux-fsdevel\@vger.kernel.org" , "Theodore Ts'o" Subject: Re: [Bug] XFS: DIO random write + BufferIO read References: X-ASG-Orig-Subj: Re: [Bug] XFS: DIO random write + BufferIO read X-PGP-KeyID: 1F78E1B4 X-PGP-CertKey: F6FE 280D 8293 F72C 65FD 5A58 1FF8 A7CA 1F78 E1B4 X-PCLoadLetter: What the f**k does that mean? Date: Tue, 08 Apr 2014 10:28:10 -0400 In-Reply-To: (Zhi Yong Wu's message of "Fri, 4 Apr 2014 23:09:10 +0800") Message-ID: User-Agent: Gnus/5.110011 (No Gnus v0.11) Emacs/23.1 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1396967297 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 Zhi Yong Wu writes: > HI > > When i try something on XFS filesytem, i hit one issue as below: > > One main task create multiple threads at first, Then it will dio > random write some files with random offset and length for each thread. > When those files get ready, those multiple threads will bufferio read > them and check if the data are same as their corresponding buffer. In > theory, they should be same, but the actual result isn't what we > expect > > By the way, i did the same try on ext3 filesystem, but didn't get any > such issue. What kernel version? Cheers, Jeff From linkinjeon@gmail.com Tue Apr 8 09:42:49 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=FREEMAIL_FROM,T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id D82967F69 for ; Tue, 8 Apr 2014 09:42:49 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id B9B778F8054 for ; Tue, 8 Apr 2014 07:42:49 -0700 (PDT) X-ASG-Debug-ID: 1396968168-04cbb054b9bf01d0001-NocioJ Received: from mail-qa0-f46.google.com (mail-qa0-f46.google.com [209.85.216.46]) by cuda.sgi.com with ESMTP id zdC10qFUNDOAGiyJ (version=TLSv1 cipher=RC4-SHA bits=128 verify=NO) for ; Tue, 08 Apr 2014 07:42:48 -0700 (PDT) X-Barracuda-Envelope-From: linkinjeon@gmail.com X-Barracuda-Apparent-Source-IP: 209.85.216.46 X-Barracuda-IPDD: Level1 [gmail.com/209.85.216.46] Received: by mail-qa0-f46.google.com with SMTP id i13so937310qae.19 for ; Tue, 08 Apr 2014 07:42:48 -0700 (PDT) X-Barracuda-IPDD: Level1 [gmail.com/209.85.216.46] X-Barracuda-IPDD: Level1 [gmail.com/209.85.216.46] DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=4z5g4HfsDf77kpEnMLB1CtD2Yvg3mPZHYlOPZZviByQ=; b=FLRWZAcNIa+QT+6I/BN6YMveUZbbKA9KbWcjmSp+WfBqvnzghHK8hKYAEqadWzDjJw +5WgcTVIayAN7dUOV4JxW0V+k+VaePc0RYnBtAthdBEKILGBSFL0c3h7aVIWkZEaZddC E9CHW8T83PB+75vB4bvJBHXU3tKtP2JEku9RSym7TfHz9Eb+uEyNU4KU/KgAMyP2IH5f /Ax3xsV8xeiDn1OlVIlI51e21cyIMwkGXfdnp/aoDj1QXvLMcwxq5yyNFU6NTLw7XPD3 nDj1otPfMYXQnlitbTH4QMu5zhH6J/WA3xilG0cG4jQhUS1LGTd3EChZ8eikZPgOlM1A SaXQ== MIME-Version: 1.0 X-Received: by 10.224.79.72 with SMTP id o8mr5101896qak.20.1396968167938; Tue, 08 Apr 2014 07:42:47 -0700 (PDT) Received: by 10.96.18.167 with HTTP; Tue, 8 Apr 2014 07:42:47 -0700 (PDT) In-Reply-To: <20140408005417.GI27017@dastard> References: <1396277611-10759-1-git-send-email-linkinjeon@gmail.com> <20140408005417.GI27017@dastard> Date: Tue, 8 Apr 2014 23:42:47 +0900 Message-ID: Subject: Re: [PATCH 0/3] fs: Introduce FALLOC_FL_INSERT_RANGE for fallocate From: Namjae Jeon X-ASG-Orig-Subj: Re: [PATCH 0/3] fs: Introduce FALLOC_FL_INSERT_RANGE for fallocate To: Dave Chinner Cc: viro@zeniv.linux.org.uk, hch@infradead.org, tytso@mit.edu, adilger.kernel@dilger.ca, jack@suse.cz, lczerner@redhat.com, linux-fsdevel@vger.kernel.org, xfs@oss.sgi.com, linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org, Namjae Jeon Content-Type: text/plain; charset=UTF-8 X-Barracuda-Connect: mail-qa0-f46.google.com[209.85.216.46] X-Barracuda-Start-Time: 1396968168 X-Barracuda-Encrypted: RC4-SHA X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=DKIM_SIGNED, DKIM_VERIFIED X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4686 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- -0.00 DKIM_VERIFIED Domain Keys Identified Mail: signature passes verification 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature 2014-04-08 9:54 GMT+09:00, Dave Chinner : > On Mon, Mar 31, 2014 at 11:53:31PM +0900, Namjae Jeon wrote: >> From: Namjae Jeon >> >> FALLOC_FL_INSERT_RANGE was mentioned as the opposite command of collapse >> range from discussion between Hugh Dickins and Dave Chinner. >> >> In continuation of the work of making the process of non linear editing >> of >> media files faster, we introduce here the new flag FALLOC_FL_INSERT_RANGE >> for fallocate. >> >> This flag will work opposite to the newly added FALLOC_FL_COLLAPSE_RANGE >> flag. >> As such, specifying FALLOC_FL_INSERT_RANGE flag will insert zeroed-out >> space >> in between the file within the range specified by offset and len. User >> can >> write new data in this space. e.g. ads. >> Like collapse range, currently we have the limitation that offset and len >> should be block size aligned for both XFS and Ext4. >> >> The semantics of the flag are : >> 1) It allocates new zeroed out on disk space of len bytes starting >> at offset byte without overwriting any existing data. All the data >> blocks >> from offset to EOF are shifted towards right to make space for >> inserting >> new blocks >> 2) It should be used exclusively. No other fallocate flag in combination. >> 3) Offset and length supplied to fallocate should be fs block size >> aligned >> in case of xfs and ext4. >> 4) Insert range does not work for the case when offset is >> overlapping/beyond >> i_size. If the user wants to allocate space at the end of file they >> are >> advised to use either ftruncate(2) or fallocate(2) with mode 0. >> 5) It increses the size of file by len bytes. >> >> Namjae Jeon (3): >> fs: Add FALLOC_FL_INSERT_RANGE flags for fallocate >> xfs: Add support FALLOC_FL_INSERT_RANGE for fallocate >> ext4: Add support FALLOC_FL_INSERT_RANGE for fallocate >> TODO : xfsprog: xfsio: Add support FALLOC_FL_INSERT_RANGE for fallocate >> TODO : xfstests: Add insert range testcase > > Namjae, what's your proposed timeframe on getting the xfs_io and tes > cases sorted out? I'm just trying to plan ahead for the next couple > of months (i.e. the 3.16 merge cycle), so some indication of whether > I can expect this to be complete and ready for merge within that > timeframe would be helpful to me. Hi. Dave. I will post the next version's patch-set with xfs_io and xfstests next week. Yes, I think that it can be complete before opening 3.6 merge window. And sorry for late response and work... Currently I can not do it full time. But will do the best for the aim that insert range would be merged in 3.6. > > FWIW, it would be really nice if you could add support for fsx and > fsstress for this as well as adding corner case tests. :) I can, I will include these jobs on next version. :) Thanks! > > Cheers, > > Dave. > -- > Dave Chinner > david@fromorbit.com > From fdmanana@gmail.com Tue Apr 8 10:16:25 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=FREEMAIL_FROM,T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 1DEEB8085 for ; Tue, 8 Apr 2014 10:16:25 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 03C1F8F8052 for ; Tue, 8 Apr 2014 08:16:22 -0700 (PDT) X-ASG-Debug-ID: 1396970178-04cb6c5677ddfba0001-NocioJ Received: from mail-bk0-f41.google.com (mail-bk0-f41.google.com [209.85.214.41]) by cuda.sgi.com with ESMTP id JAp5CoYgYvLqucx5 (version=TLSv1 cipher=RC4-SHA bits=128 verify=NO) for ; Tue, 08 Apr 2014 08:16:19 -0700 (PDT) X-Barracuda-Envelope-From: fdmanana@gmail.com X-Barracuda-Apparent-Source-IP: 209.85.214.41 X-Barracuda-IPDD: Level1 [gmail.com/209.85.214.41] Received: by mail-bk0-f41.google.com with SMTP id d7so560129bkh.0 for ; Tue, 08 Apr 2014 08:16:18 -0700 (PDT) X-Barracuda-IPDD: Level1 [gmail.com/209.85.214.41] X-Barracuda-IPDD: Level1 [gmail.com/209.85.214.41] DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:reply-to:in-reply-to:references:date:message-id :subject:from:to:cc:content-type; bh=z7s7dGbDDcQV0w+FmFcckZEreK3zLCikTtN0rw3lmgs=; b=kYF+pgnwHCpM3gsyg6EpidW/J2DXK0NyRVBGgn3wQwo3sO7vRhCfP7ReshM1okFPPp zxetebhCoos8pN2Lh7n54ExeaEF2tXoDAq8dM5mrEdXkjY65Ol5qPBP5kDIwxhkt57N3 3EI+TRtS9ZKLZGk/4IYebcIToWbqBVnbyCRGQICQOfPHRpL9Nflwus1Ap290bNyjR3DI gYirQ0xCGxaEWlNtLkxPvFx8HzNcUSo6zXbyFBe5cWbua2bo52qVFFAAPi1JWBc4o+/t zm/R9ZJK2wRLU8cfDi8quCsGAf+32FWRPwDdRykAa5KDlwWbhe1V4a5Dh4tHMG2FFm4c s/2g== MIME-Version: 1.0 X-Received: by 10.152.3.72 with SMTP id a8mr3238136laa.33.1396970178480; Tue, 08 Apr 2014 08:16:18 -0700 (PDT) Received: by 10.112.164.231 with HTTP; Tue, 8 Apr 2014 08:16:18 -0700 (PDT) Reply-To: fdmanana@gmail.com In-Reply-To: <20140408001443.GG27017@dastard> References: <20140404090357.GW17603@dastard> <20140408001443.GG27017@dastard> Date: Tue, 8 Apr 2014 16:16:18 +0100 Message-ID: Subject: Re: [ANNOUNCE] xfstests: updated to cf1ed54 From: Filipe David Manana X-ASG-Orig-Subj: Re: [ANNOUNCE] xfstests: updated to cf1ed54 To: Dave Chinner Cc: "xfs@oss.sgi.com" , "linux-btrfs@vger.kernel.org" , linux-ext4@vger.kernel.org, lczerner@redhat.com Content-Type: text/plain; charset=UTF-8 X-Barracuda-Connect: mail-bk0-f41.google.com[209.85.214.41] X-Barracuda-Start-Time: 1396970179 X-Barracuda-Encrypted: RC4-SHA X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-BRTS-Evidence: friendpaste.com X-Barracuda-Spam-Score: 0.20 X-Barracuda-Spam-Status: No, SCORE=0.20 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=DKIM_SIGNED, DKIM_VERIFIED, PR0N_SUBJECT X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4687 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- -0.00 DKIM_VERIFIED Domain Keys Identified Mail: signature passes verification 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature 0.20 PR0N_SUBJECT Subject has letters around special characters (pr0n) On Tue, Apr 8, 2014 at 1:14 AM, Dave Chinner wrote: > On Fri, Apr 04, 2014 at 02:07:16PM +0100, Filipe David Manana wrote: >> On Fri, Apr 4, 2014 at 10:03 AM, Dave Chinner wrote: >> > Hi folks, >> > >> > The xfstests repository at git://oss.sgi.com/xfs/cmds/xfstests has >> > just been updated. Patches often get missed, so please check if your >> > outstanding patches were in this update. If they have not been in >> > this update, please resubmit them to xfs@oss.sgi.com so they can be >> > picked up in the next update. >> > >> > The new head of the master branch is commit: >> > >> > cf1ed54 check: fix RESULT_BASE typo in check script >> > >> > The major new functionality worth mentioning in this update is the >> > new config file format from Lukas. The existing format config files >> > should continue to work without change, but the new format is much >> > richer and allows specification of multiple different configurations >> > to run test under. Hence testing multiple mount an dmkfs >> > configurations becomes as simple as iterating the configurations >> > in the config file. >> >> Hi, >> >> I might be missing something, but after checking out these changes, I >> am no longer able to run btrfs tests. Example: >> >> $ ./check btrfs/041 >> common/config: Error: $SCRATCH_DEV should be unset when $SCRATCH_DEV_POOL is set >> Passed all 0 tests >> >> $ cat local.config >> export TEST_DEV=/dev/sdb >> export TEST_DIR=/home/fdmanana/btrfs-tests/dev >> export SCRATCH_MNT="/home/fdmanana/btrfs-tests/scratch_1" >> export SCRATCH_DEV_POOL="/dev/sdc /dev/sdd" > > Are you sure that's the config file that is being picked up? I can't > test btrfs at the moment because it appears to be completely screwed > in a TOT kernel right now - it doesn't even show up in > /proc/filesystems and doesn't emit anything on dmesg to indicate > that initialisation of the built in btrfs code has failed or even > been attempted. It's simply MIA.... > > However, using that same SCRATCH_DEV_POOL config for xfs or ext4 > works just fine on my test machines with the current TOT xfstests > and kernel code. > > $ cat configs/test2.config > TEST_DIR=/mnt/test > SCRATCH_MNT=/mnt/scratch > TEST_DEV=/dev/vda > SCRATCH_DEV_POOL="/dev/vdc /dev/vdd" > $ sudo MKFS_OPTIONS="-m crc=1" ./check generic/001 > FSTYP -- xfs (debug) > PLATFORM -- Linux/x86_64 test2 3.14.0-rc1-dgc+ > MKFS_OPTIONS -- -f -m crc=1 /dev/vdc > MOUNT_OPTIONS -- /dev/vdc /mnt/scratch > > generic/001 4s ... 3s > Ran: generic/001 > Passed all 1 tests > $ > > So, as you can see I can't reproduce your problem myself right now. > Could you add a "set -x" line to the start of check and post the > output? Ok, here's some more tests: # On origin/master: root 16:56:42 /home/fdmanana/git/hub/xfstests ((cf1ed54...))> cat local.config export TEST_DEV=/dev/sdb export TEST_DIR=/home/fdmanana/btrfs-tests/dev export SCRATCH_MNT="/home/fdmanana/btrfs-tests/scratch_1" export SCRATCH_DEV_POOL="/dev/sdc /dev/sdd" export FSTYP=btrfs root 16:56:49 /home/fdmanana/git/hub/xfstests ((cf1ed54...))> ./check generic/001 common/config: Error: $SCRATCH_DEV should be unset when $SCRATCH_DEV_POOL is set Passed all 0 tests # Now going back to an older revision, it works as I showed before: root 16:56:56 /home/fdmanana/git/hub/xfstests ((cf1ed54...))> git checkout 3948694eb12e9699f558fab5e8169a8b090780d1 Previous HEAD position was cf1ed54... check: fix RESULT_BASE typo in check script HEAD is now at 3948694... xfs/300: fix golden output root 16:57:11 /home/fdmanana/git/hub/xfstests ((3948694...))> ./check generic/001 FSTYP -- btrfs PLATFORM -- Linux/x86_64 debian-vm3 3.13.0-fdm-btrfs-next-24+ MKFS_OPTIONS -- /dev/sdc MOUNT_OPTIONS -- /dev/sdc /home/fdmanana/btrfs-tests/scratch_1 generic/001 23s ... 23s Ran: generic/001 Passed all 1 tests # Now if I change my config and remove the definition of FSTYP, it still works with the old revision: root 16:59:19 /home/fdmanana/git/hub/xfstests ((3948694...))> cat local.config # Ideally define at least these 4 to match your environment # The first 2 are required. # See README for other variables which can be set. # # Note: SCRATCH_DEV >will< get overwritten! export TEST_DEV=/dev/sdb export TEST_DIR=/home/fdmanana/btrfs-tests/dev export SCRATCH_MNT="/home/fdmanana/btrfs-tests/scratch_1" export SCRATCH_DEV_POOL="/dev/sdc /dev/sdd" # export FSTYP=btrfs root 16:59:22 /home/fdmanana/git/hub/xfstests ((3948694...))> ./check generic/001 FSTYP -- btrfs PLATFORM -- Linux/x86_64 debian-vm3 3.13.0-fdm-btrfs-next-24+ MKFS_OPTIONS -- /dev/sdc MOUNT_OPTIONS -- /dev/sdc /home/fdmanana/btrfs-tests/scratch_1 generic/001 23s ... 23s Ran: generic/001 Passed all 1 tests # Now going back to master, without FSTYP set, it doesn't work too: root 16:59:50 /home/fdmanana/git/hub/xfstests ((3948694...))> git checkout origin/master Previous HEAD position was 3948694... xfs/300: fix golden output HEAD is now at cf1ed54... check: fix RESULT_BASE typo in check script root 16:59:57 /home/fdmanana/git/hub/xfstests ((cf1ed54...))> ./check generic/001 common/rc: Error: $TEST_DEV (/dev/sdb) is not a MOUNTED xfs filesystem Filesystem Type 1024-blocks Used Available Capacity Mounted on /dev/sdb btrfs 20971520 768 18845184 1% /home/fdmanana/btrfs-tests/dev root 17:00:00 /home/fdmanana/git/hub/xfstests ((cf1ed54...))> After adding set -x to the top of the 'check' script, here's the output when running current master: https://friendpaste.com/6x8Hzq3wJxe2KXZypomCiY And for the revision that works: https://friendpaste.com/6x8Hzq3wJxe2KXZyppKkwB Hope it helps. Thanks > > Cheers, > > Dave. > -- > Dave Chinner > david@fromorbit.com -- Filipe David Manana, "Reasonable men adapt themselves to the world. Unreasonable men adapt the world to themselves. That's why all progress depends on unreasonable men." From lczerner@redhat.com Tue Apr 8 10:43:01 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 545DB7FEE for ; Tue, 8 Apr 2014 10:43:01 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 351448F8052 for ; Tue, 8 Apr 2014 08:43:00 -0700 (PDT) X-ASG-Debug-ID: 1396971779-04cbb054b8bf6000001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id Jdtmk3Ce46dTsqgw for ; Tue, 08 Apr 2014 08:43:00 -0700 (PDT) X-Barracuda-Envelope-From: lczerner@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx13.intmail.prod.int.phx2.redhat.com (int-mx13.intmail.prod.int.phx2.redhat.com [10.5.11.26]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s38FgtoZ009542 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Tue, 8 Apr 2014 11:42:56 -0400 Received: from localhost.localdomain.com (dhcp-1-245.brq.redhat.com [10.34.1.245]) by int-mx13.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s38FgrQ6022692; Tue, 8 Apr 2014 11:42:54 -0400 From: Lukas Czerner To: xfs@oss.sgi.com Cc: linux-btrfs@vger.kernel.org, fdmanana@gmail.com, david@fromorbit.com, Lukas Czerner Subject: [PATCH 1/3] xfstests: Fix SCRATCH_DEV_POOL handling Date: Tue, 8 Apr 2014 17:42:48 +0200 X-ASG-Orig-Subj: [PATCH 1/3] xfstests: Fix SCRATCH_DEV_POOL handling Message-Id: <1396971770-23553-1-git-send-email-lczerner@redhat.com> In-Reply-To: <20140404211224.GX17603@dastard> References: <20140404211224.GX17603@dastard> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.26 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1396971779 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 With changes introduced in 667308dd97bf41382d4ab299fa5b56c235cfeb27 it is no longer possible to use SCRATCH_DEV_POOL variable because of error: common/config: Error: $SCRATCH_DEV should be unset when $SCRATCH_DEV_POOL is set This was because get_next_config() would get called twice and hence it would complain on the second run that SCRATCH_DEV is already set. Fix it by making sure that we call get_next_config() only once if there are no sections in the config file. Also make sure that we export SCRATCH_DEV in the case we're deducing it from SCRATCH_DEV_POOL. Signed-off-by: Lukas Czerner Reported-by: Filipe David Manana --- common/config | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/common/config b/common/config index 4178c27..6fa18e2 100644 --- a/common/config +++ b/common/config @@ -360,6 +360,10 @@ parse_config_section() { } get_next_config() { + if [ ! -z "$CONFIG_INCLUDED" ] && ! $OPTIONS_HAVE_SECTIONS; then + return 0 + fi + local OLD_FSTYP=$FSTYP local OLD_MOUNT_OPTIONS=$MOUNT_OPTIONS local OLD_MKFS_OPTIONS=$MKFS_OPTIONS @@ -414,10 +418,11 @@ get_next_config() { # to SCRATCH_DEV and rest to SCRATCH_DEV_POOL to maintain the backward compatibility if [ ! -z "$SCRATCH_DEV_POOL" ]; then if [ ! -z "$SCRATCH_DEV" ]; then - echo "common/config: Error: \$SCRATCH_DEV should be unset when \$SCRATCH_DEV_POOL is set" + echo "common/config: Error: \$SCRATCH_DEV ($SCRATCH_DEV) should be unset when \$SCRATCH_DEV_POOL ($SCRATCH_DEV_POOL) is set" exit 1 fi SCRATCH_DEV=`echo $SCRATCH_DEV_POOL | awk '{print $1}'` + export SCRATCH_DEV fi echo $SCRATCH_DEV | grep -q ":" > /dev/null 2>&1 -- 1.8.3.1 From lczerner@redhat.com Tue Apr 8 10:43:03 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 5D27E809D for ; Tue, 8 Apr 2014 10:43:03 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id D6740AC012 for ; Tue, 8 Apr 2014 08:43:02 -0700 (PDT) X-ASG-Debug-ID: 1396971781-04cbb054b7bf6010001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id EyyfBvnoUMUqQQkS for ; Tue, 08 Apr 2014 08:43:01 -0700 (PDT) X-Barracuda-Envelope-From: lczerner@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx13.intmail.prod.int.phx2.redhat.com (int-mx13.intmail.prod.int.phx2.redhat.com [10.5.11.26]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s38Fgxu0017302 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Tue, 8 Apr 2014 11:42:59 -0400 Received: from localhost.localdomain.com (dhcp-1-245.brq.redhat.com [10.34.1.245]) by int-mx13.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s38FgrQ8022692; Tue, 8 Apr 2014 11:42:57 -0400 From: Lukas Czerner To: xfs@oss.sgi.com Cc: linux-btrfs@vger.kernel.org, fdmanana@gmail.com, david@fromorbit.com, Lukas Czerner Subject: [PATCH 3/3] xfstests: Fix setting FSTYP automatically Date: Tue, 8 Apr 2014 17:42:50 +0200 X-ASG-Orig-Subj: [PATCH 3/3] xfstests: Fix setting FSTYP automatically Message-Id: <1396971770-23553-3-git-send-email-lczerner@redhat.com> In-Reply-To: <1396971770-23553-1-git-send-email-lczerner@redhat.com> References: <20140404211224.GX17603@dastard> <1396971770-23553-1-git-send-email-lczerner@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.26 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1396971781 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 Currently if the FSTYP is not set, the code to get FSTYP using blikd would not work. This is because we're using HOSTOS environment variable which might not be set (at least not on my system) and because it's already late in the code path. Fix this by using OSTYP environment variable as a fallback in the case that HOSTOS does not work and move the check to common/config. Signed-off-by: Lukas Czerner --- check | 8 -------- common/config | 18 +++++++++++++----- 2 files changed, 13 insertions(+), 13 deletions(-) diff --git a/check b/check index 8f1a6e1..ed1834d 100755 --- a/check +++ b/check @@ -58,14 +58,6 @@ then exit 1 fi -# Autodetect fs type based on what's on $TEST_DEV unless it's been set -# externally -if [ -z "$FSTYP" -a "$HOSTOS" == "Linux" ]; then - FSTYP=`blkid -c /dev/null -s TYPE -o value $TEST_DEV` -fi -FSTYP=${FSTYP:=xfs} -export FSTYP - SUPPORTED_TESTS="[0-9][0-9][0-9] [0-9][0-9][0-9][0-9]" SRC_GROUPS="generic shared" export SRC_DIR="tests" diff --git a/common/config b/common/config index 3163801..00249e6 100644 --- a/common/config +++ b/common/config @@ -297,11 +297,6 @@ _fsck_opts() esac } -[ -z "$FSTYP" ] && export FSTYP=xfs -[ -z "$MOUNT_OPTIONS" ] && _mount_opts -[ -z "$MKFS_OPTIONS" ] && _mkfs_opts -[ -z "$FSCK_OPTIONS" ] && _fsck_opts - known_hosts() { [ "$HOST_CONFIG_DIR" ] || HOST_CONFIG_DIR=`pwd`/configs @@ -446,6 +441,19 @@ get_next_config() { if [ -z "$CONFIG_INCLUDED" ]; then get_next_config `echo $HOST_OPTIONS_SECTIONS | cut -f1 -d" "` export CONFIG_INCLUDED=true + + # Autodetect fs type based on what's on $TEST_DEV unless it's been set + # externally + if [ -z "$FSTYP" ] && \ + [ "$HOSTOS" == "Linux" -o "$OSTYPE" == "linux-gnu" ] && \ + [ ! -z "$TEST_DEV" ]; then + FSTYP=`blkid -c /dev/null -s TYPE -o value $TEST_DEV` + fi + FSTYP=${FSTYP:=xfs} + export FSTYP + [ -z "$MOUNT_OPTIONS" ] && _mount_opts + [ -z "$MKFS_OPTIONS" ] && _mkfs_opts + [ -z "$FSCK_OPTIONS" ] && _fsck_opts fi # make sure this script returns success -- 1.8.3.1 From lczerner@redhat.com Tue Apr 8 10:43:03 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id D67B8809D for ; Tue, 8 Apr 2014 10:43:03 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 5EC29AC014 for ; Tue, 8 Apr 2014 08:43:03 -0700 (PDT) X-ASG-Debug-ID: 1396971781-04cb6c5678de2380001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id vQtC1UPI0hUfnkAI for ; Tue, 08 Apr 2014 08:43:02 -0700 (PDT) X-Barracuda-Envelope-From: lczerner@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx13.intmail.prod.int.phx2.redhat.com (int-mx13.intmail.prod.int.phx2.redhat.com [10.5.11.26]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s38FgvTE013327 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Tue, 8 Apr 2014 11:42:58 -0400 Received: from localhost.localdomain.com (dhcp-1-245.brq.redhat.com [10.34.1.245]) by int-mx13.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s38FgrQ7022692; Tue, 8 Apr 2014 11:42:56 -0400 From: Lukas Czerner To: xfs@oss.sgi.com Cc: linux-btrfs@vger.kernel.org, fdmanana@gmail.com, david@fromorbit.com, Lukas Czerner Subject: [PATCH 2/3] xfstests: Unset SCRATCH_DEV when deduced from SCRATCH_DEV_POOL Date: Tue, 8 Apr 2014 17:42:49 +0200 X-ASG-Orig-Subj: [PATCH 2/3] xfstests: Unset SCRATCH_DEV when deduced from SCRATCH_DEV_POOL Message-Id: <1396971770-23553-2-git-send-email-lczerner@redhat.com> In-Reply-To: <1396971770-23553-1-git-send-email-lczerner@redhat.com> References: <20140404211224.GX17603@dastard> <1396971770-23553-1-git-send-email-lczerner@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.26 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1396971781 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 In the case that we already have sections in the config file we have to make sure that we unset SCRATCH_DEV if it has been deduced from the SCRATCH_DEV_POOL so that it does not complain about SCRATCH_DEV in this case. Signed-off-by: Lukas Czerner --- common/config | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/common/config b/common/config index 6fa18e2..3163801 100644 --- a/common/config +++ b/common/config @@ -372,10 +372,15 @@ get_next_config() { unset MOUNT_OPTIONS unset MKFS_OPTIONS unset FSCK_OPTIONS + # We might have deduced SCRATCH_DEV from the SCRATCH_DEV_POOL in the previous + # run, so we have to unset it now. + if [ "$SCRATCH_DEV_NOT_SET" == "true" ]; then + unset SCRATCH_DEV + fi parse_config_section $1 - if [ -n "$OLD_FSTYP" ] && [ $OLD_FSTYP != $FSTYP ]; then + if [ ! -z "$OLD_FSTYP" ] && [ $OLD_FSTYP != $FSTYP ]; then [ -z "$MOUNT_OPTIONS" ] && _mount_opts [ -z "$MKFS_OPTIONS" ] && _mkfs_opts [ -z "$FSCK_OPTIONS" ] && _fsck_opts @@ -423,6 +428,7 @@ get_next_config() { fi SCRATCH_DEV=`echo $SCRATCH_DEV_POOL | awk '{print $1}'` export SCRATCH_DEV + export SCRATCH_DEV_NOT_SET=true fi echo $SCRATCH_DEV | grep -q ":" > /dev/null 2>&1 -- 1.8.3.1 From zwu.kernel@gmail.com Tue Apr 8 10:52:02 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=FREEMAIL_FROM,T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id C79758055 for ; Tue, 8 Apr 2014 10:52:02 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id A1AC4304043 for ; Tue, 8 Apr 2014 08:51:59 -0700 (PDT) X-ASG-Debug-ID: 1396972318-04cbb054b8bf6d00001-NocioJ Received: from mail-yh0-f45.google.com (mail-yh0-f45.google.com [209.85.213.45]) by cuda.sgi.com with ESMTP id 9O0Ba5wFZZSTUjT8 (version=TLSv1 cipher=RC4-SHA bits=128 verify=NO) for ; Tue, 08 Apr 2014 08:51:58 -0700 (PDT) X-Barracuda-Envelope-From: zwu.kernel@gmail.com X-Barracuda-Apparent-Source-IP: 209.85.213.45 X-Barracuda-IPDD: Level1 [gmail.com/209.85.213.45] Received: by mail-yh0-f45.google.com with SMTP id a41so1044283yho.4 for ; Tue, 08 Apr 2014 08:51:58 -0700 (PDT) X-Barracuda-IPDD: Level1 [gmail.com/209.85.213.45] X-Barracuda-IPDD: Level1 [gmail.com/209.85.213.45] DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=82Slf/CqIt4ejy+49j9uyCyo0tq06831Mdjj9EsCzuU=; b=wPVnoUkcRF7DDfhgZqo6RMz8JWPo1KW82yN3sM0YIYQPBaHo1PTMv2fpH2j/83SN1c yf3k/xb4gyrTwKuhm5fj1FB7OOxfyIMS4c+RUIoKr7C4dnDSLm2R1+G9AUP9pDzkK2Rr HBFnDEQ6l8P4hlZHbxVaNslfw9yh1tepG1Y+DbDh+uySBQLvH1CfCGvbDfjbh8Y2b1dk 7LEZrKZxjSByp1bkgm3ai27Quj6pDmX/9KbvSzkFSH7KxnT6Aj+8ToIRyqgcWKa8qABo nnLfu29wzkqXXVSaGdY9Kbqf6B2Vuijx+b2LYQkTQTJTK6tDCdPU0aeTcMpa2VZypx8T npDw== MIME-Version: 1.0 X-Received: by 10.236.121.244 with SMTP id r80mr6502814yhh.67.1396972318058; Tue, 08 Apr 2014 08:51:58 -0700 (PDT) Received: by 10.170.207.71 with HTTP; Tue, 8 Apr 2014 08:51:58 -0700 (PDT) In-Reply-To: References: Date: Tue, 8 Apr 2014 23:51:58 +0800 Message-ID: Subject: Re: [Bug] XFS: DIO random write + BufferIO read From: Zhi Yong Wu X-ASG-Orig-Subj: Re: [Bug] XFS: DIO random write + BufferIO read To: Jeff Moyer Cc: xfstests , Dave Chinner , jack@suse.cz, "linux-fsdevel@vger.kernel.org" , "Theodore Ts'o" Content-Type: text/plain; charset=ISO-8859-1 X-Barracuda-Connect: mail-yh0-f45.google.com[209.85.213.45] X-Barracuda-Start-Time: 1396972318 X-Barracuda-Encrypted: RC4-SHA X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=DKIM_SIGNED, DKIM_VERIFIED X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4691 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- -0.00 DKIM_VERIFIED Domain Keys Identified Mail: signature passes verification 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature You can try the latest upstream. On 4/8/14, Jeff Moyer wrote: > Zhi Yong Wu writes: > >> HI >> >> When i try something on XFS filesytem, i hit one issue as below: >> >> One main task create multiple threads at first, Then it will dio >> random write some files with random offset and length for each thread. >> When those files get ready, those multiple threads will bufferio read >> them and check if the data are same as their corresponding buffer. In >> theory, they should be same, but the actual result isn't what we >> expect >> >> By the way, i did the same try on ext3 filesystem, but didn't get any >> such issue. > > What kernel version? > > Cheers, > Jeff > -- Regards, Zhi Yong Wu From fdmanana@gmail.com Tue Apr 8 11:51:45 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=FREEMAIL_FROM,T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id AEE047FC5 for ; Tue, 8 Apr 2014 11:51:45 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 22500AC012 for ; Tue, 8 Apr 2014 09:51:42 -0700 (PDT) X-ASG-Debug-ID: 1396975899-04cb6c5678de8ff0001-NocioJ Received: from mail-bk0-f41.google.com (mail-bk0-f41.google.com [209.85.214.41]) by cuda.sgi.com with ESMTP id 6OvpdJP2Z8YOvKXo (version=TLSv1 cipher=RC4-SHA bits=128 verify=NO) for ; Tue, 08 Apr 2014 09:51:39 -0700 (PDT) X-Barracuda-Envelope-From: fdmanana@gmail.com X-Barracuda-Apparent-Source-IP: 209.85.214.41 X-Barracuda-IPDD: Level1 [gmail.com/209.85.214.41] Received: by mail-bk0-f41.google.com with SMTP id d7so803566bkh.0 for ; Tue, 08 Apr 2014 09:51:38 -0700 (PDT) X-Barracuda-IPDD: Level1 [gmail.com/209.85.214.41] X-Barracuda-IPDD: Level1 [gmail.com/209.85.214.41] DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:reply-to:in-reply-to:references:date:message-id :subject:from:to:cc:content-type; bh=Fk26XB9LxVbnzy9eb8sYQ3UKZGUBJ35SG5b90NKAKBI=; b=kJ6LEd3OYlpzs1EFSZ3Ve3BC+1vPUNjwdmQ8SQgU9zU35vu1RQa3u3CWHtKB9dhhEc cIub6IuIyWYDY7PfCmFx0Pod5j/80h72CzWp4L43PV+QhJSQlcoiLBkqzysRhITHs24w Y39ZAvEazJcUENhAYO3l/GQ98MelIWYPHPqF9PuF+AfAnIveaoAq/Jz1GkX7yypv7snX Ppfejm34aBBIUYjBw1rskdlr8TWTZDzwmAXoORyNilzLBjTh8lEiD1MyZa4fkfEEa6AU mYKp4cQ8Zk6Bn1IkFaKugFFV1/r1hn4L644PyL0bJ1gFo7wcMjEK+lYsnrV4et0SEbkL IpvA== MIME-Version: 1.0 X-Received: by 10.152.42.164 with SMTP id p4mr3592638lal.5.1396975898695; Tue, 08 Apr 2014 09:51:38 -0700 (PDT) Received: by 10.112.164.231 with HTTP; Tue, 8 Apr 2014 09:51:38 -0700 (PDT) Reply-To: fdmanana@gmail.com In-Reply-To: <1396971770-23553-1-git-send-email-lczerner@redhat.com> References: <20140404211224.GX17603@dastard> <1396971770-23553-1-git-send-email-lczerner@redhat.com> Date: Tue, 8 Apr 2014 17:51:38 +0100 Message-ID: Subject: Re: [PATCH 1/3] xfstests: Fix SCRATCH_DEV_POOL handling From: Filipe David Manana X-ASG-Orig-Subj: Re: [PATCH 1/3] xfstests: Fix SCRATCH_DEV_POOL handling To: Lukas Czerner Cc: "xfs@oss.sgi.com" , "linux-btrfs@vger.kernel.org" , Dave Chinner Content-Type: text/plain; charset=UTF-8 X-Barracuda-Connect: mail-bk0-f41.google.com[209.85.214.41] X-Barracuda-Start-Time: 1396975899 X-Barracuda-Encrypted: RC4-SHA X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=DKIM_SIGNED, DKIM_VERIFIED X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4693 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- -0.00 DKIM_VERIFIED Domain Keys Identified Mail: signature passes verification 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature On Tue, Apr 8, 2014 at 4:42 PM, Lukas Czerner wrote: > With changes introduced in 667308dd97bf41382d4ab299fa5b56c235cfeb27 > it is no longer possible to use SCRATCH_DEV_POOL variable because of > error: > > common/config: Error: $SCRATCH_DEV should be unset when > $SCRATCH_DEV_POOL is set > > This was because get_next_config() would get called twice and hence it > would complain on the second run that SCRATCH_DEV is already set. Fix > it by making sure that we call get_next_config() only once if there > are no sections in the config file. > > Also make sure that we export SCRATCH_DEV in the case we're deducing it > from SCRATCH_DEV_POOL. > > Signed-off-by: Lukas Czerner > Reported-by: Filipe David Manana Tested-by: Filipe David Manana Tests working for btrfs now. Thanks Lukas. > --- > common/config | 7 ++++++- > 1 file changed, 6 insertions(+), 1 deletion(-) > > diff --git a/common/config b/common/config > index 4178c27..6fa18e2 100644 > --- a/common/config > +++ b/common/config > @@ -360,6 +360,10 @@ parse_config_section() { > } > > get_next_config() { > + if [ ! -z "$CONFIG_INCLUDED" ] && ! $OPTIONS_HAVE_SECTIONS; then > + return 0 > + fi > + > local OLD_FSTYP=$FSTYP > local OLD_MOUNT_OPTIONS=$MOUNT_OPTIONS > local OLD_MKFS_OPTIONS=$MKFS_OPTIONS > @@ -414,10 +418,11 @@ get_next_config() { > # to SCRATCH_DEV and rest to SCRATCH_DEV_POOL to maintain the backward compatibility > if [ ! -z "$SCRATCH_DEV_POOL" ]; then > if [ ! -z "$SCRATCH_DEV" ]; then > - echo "common/config: Error: \$SCRATCH_DEV should be unset when \$SCRATCH_DEV_POOL is set" > + echo "common/config: Error: \$SCRATCH_DEV ($SCRATCH_DEV) should be unset when \$SCRATCH_DEV_POOL ($SCRATCH_DEV_POOL) is set" > exit 1 > fi > SCRATCH_DEV=`echo $SCRATCH_DEV_POOL | awk '{print $1}'` > + export SCRATCH_DEV > fi > > echo $SCRATCH_DEV | grep -q ":" > /dev/null 2>&1 > -- > 1.8.3.1 > -- Filipe David Manana, "Reasonable men adapt themselves to the world. Unreasonable men adapt the world to themselves. That's why all progress depends on unreasonable men." From fdmanana@gmail.com Tue Apr 8 11:52:07 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=FREEMAIL_FROM,T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id A111A7FD1 for ; Tue, 8 Apr 2014 11:52:07 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 8D1F830406B for ; Tue, 8 Apr 2014 09:52:04 -0700 (PDT) X-ASG-Debug-ID: 1396975922-04cb6c5675de9090001-NocioJ Received: from mail-bk0-f53.google.com (mail-bk0-f53.google.com [209.85.214.53]) by cuda.sgi.com with ESMTP id u2LYoL4IboLUbMqX (version=TLSv1 cipher=RC4-SHA bits=128 verify=NO) for ; Tue, 08 Apr 2014 09:52:03 -0700 (PDT) X-Barracuda-Envelope-From: fdmanana@gmail.com X-Barracuda-Apparent-Source-IP: 209.85.214.53 X-Barracuda-IPDD: Level1 [gmail.com/209.85.214.53] Received: by mail-bk0-f53.google.com with SMTP id r7so776557bkg.26 for ; Tue, 08 Apr 2014 09:52:01 -0700 (PDT) X-Barracuda-IPDD: Level1 [gmail.com/209.85.214.53] X-Barracuda-IPDD: Level1 [gmail.com/209.85.214.53] DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:reply-to:in-reply-to:references:date:message-id :subject:from:to:cc:content-type; bh=eIdVLU5eXWfl6Uf/zbPScLTn0F2Zun7DRdPQcjKKBxM=; b=k9QNMrEQSKsxtmfpoFTXUTwUB3oS+Do7f8Del3hBi3K0fAkZ7g/Lb7KaAq2OED8lSb +wSmDZhZ2wNxKg+OtAS11zcunFi15A9Yt92AoUmpE1CAq6qHtU66yQyrTzbO6ADX0ztc 9wRrBs8f/8sEMYa//IST81zu2eGwOWBledCp7rXdICRPIihF+dWyv0DuuqMvvAQwj+gw hKJEpcQ4DHV+2WEctpQapgUxkpjTdh6nEKP8bDyOB+0PRaoDq8bFlxOgXe+CMYHdqBc7 3tEoiSWAYgFuY/w6Y6rp8SWHH/U/SUPs9aOLZ1kNtXOinn11JZNshc6A773pm5odP0uu 4Y4g== MIME-Version: 1.0 X-Received: by 10.152.3.72 with SMTP id a8mr3568272laa.33.1396975921771; Tue, 08 Apr 2014 09:52:01 -0700 (PDT) Received: by 10.112.164.231 with HTTP; Tue, 8 Apr 2014 09:52:01 -0700 (PDT) Reply-To: fdmanana@gmail.com In-Reply-To: <1396971770-23553-2-git-send-email-lczerner@redhat.com> References: <20140404211224.GX17603@dastard> <1396971770-23553-1-git-send-email-lczerner@redhat.com> <1396971770-23553-2-git-send-email-lczerner@redhat.com> Date: Tue, 8 Apr 2014 17:52:01 +0100 Message-ID: Subject: Re: [PATCH 2/3] xfstests: Unset SCRATCH_DEV when deduced from SCRATCH_DEV_POOL From: Filipe David Manana X-ASG-Orig-Subj: Re: [PATCH 2/3] xfstests: Unset SCRATCH_DEV when deduced from SCRATCH_DEV_POOL To: Lukas Czerner Cc: "xfs@oss.sgi.com" , "linux-btrfs@vger.kernel.org" , Dave Chinner Content-Type: text/plain; charset=UTF-8 X-Barracuda-Connect: mail-bk0-f53.google.com[209.85.214.53] X-Barracuda-Start-Time: 1396975922 X-Barracuda-Encrypted: RC4-SHA X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=DKIM_SIGNED, DKIM_VERIFIED X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4693 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- -0.00 DKIM_VERIFIED Domain Keys Identified Mail: signature passes verification 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature On Tue, Apr 8, 2014 at 4:42 PM, Lukas Czerner wrote: > In the case that we already have sections in the config file we > have to make sure that we unset SCRATCH_DEV if it has been deduced from > the SCRATCH_DEV_POOL so that it does not complain about SCRATCH_DEV in > this case. > > Signed-off-by: Lukas Czerner Tested-by: Filipe David Manana Tests working for btrfs now. Thanks Lukas. > --- > common/config | 8 +++++++- > 1 file changed, 7 insertions(+), 1 deletion(-) > > diff --git a/common/config b/common/config > index 6fa18e2..3163801 100644 > --- a/common/config > +++ b/common/config > @@ -372,10 +372,15 @@ get_next_config() { > unset MOUNT_OPTIONS > unset MKFS_OPTIONS > unset FSCK_OPTIONS > + # We might have deduced SCRATCH_DEV from the SCRATCH_DEV_POOL in the previous > + # run, so we have to unset it now. > + if [ "$SCRATCH_DEV_NOT_SET" == "true" ]; then > + unset SCRATCH_DEV > + fi > > parse_config_section $1 > > - if [ -n "$OLD_FSTYP" ] && [ $OLD_FSTYP != $FSTYP ]; then > + if [ ! -z "$OLD_FSTYP" ] && [ $OLD_FSTYP != $FSTYP ]; then > [ -z "$MOUNT_OPTIONS" ] && _mount_opts > [ -z "$MKFS_OPTIONS" ] && _mkfs_opts > [ -z "$FSCK_OPTIONS" ] && _fsck_opts > @@ -423,6 +428,7 @@ get_next_config() { > fi > SCRATCH_DEV=`echo $SCRATCH_DEV_POOL | awk '{print $1}'` > export SCRATCH_DEV > + export SCRATCH_DEV_NOT_SET=true > fi > > echo $SCRATCH_DEV | grep -q ":" > /dev/null 2>&1 > -- > 1.8.3.1 > -- Filipe David Manana, "Reasonable men adapt themselves to the world. Unreasonable men adapt the world to themselves. That's why all progress depends on unreasonable men." From fdmanana@gmail.com Tue Apr 8 11:52:26 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=FREEMAIL_FROM,T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 9126229E23 for ; Tue, 8 Apr 2014 11:52:26 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id 19031AC012 for ; Tue, 8 Apr 2014 09:52:26 -0700 (PDT) X-ASG-Debug-ID: 1396975942-04bdf05dace1b260001-NocioJ Received: from mail-bk0-f45.google.com (mail-bk0-f45.google.com [209.85.214.45]) by cuda.sgi.com with ESMTP id F3Cfy2W3bv7Wzxhs (version=TLSv1 cipher=RC4-SHA bits=128 verify=NO) for ; Tue, 08 Apr 2014 09:52:23 -0700 (PDT) X-Barracuda-Envelope-From: fdmanana@gmail.com X-Barracuda-Apparent-Source-IP: 209.85.214.45 X-Barracuda-IPDD: Level1 [gmail.com/209.85.214.45] Received: by mail-bk0-f45.google.com with SMTP id na10so782804bkb.18 for ; Tue, 08 Apr 2014 09:52:21 -0700 (PDT) X-Barracuda-IPDD: Level1 [gmail.com/209.85.214.45] X-Barracuda-IPDD: Level1 [gmail.com/209.85.214.45] DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:reply-to:in-reply-to:references:date:message-id :subject:from:to:cc:content-type; bh=spzN4ADGYWAMve8q+0UUO67CqChSGptSNOV3uS9Fm1M=; b=XzdkXVBwI0aDEIHE+Az8/NsP8cX6oxoDrfqLlcrixVaSgsHDpJfUUvk1K6YCPKcN3f jSszLh1K66VnvushCs0QQYqTynJeH3PhvqS7ZZ/SRT3fTjgX2OS0eyHfnS80uaVCNgu7 2IWQl/xQaaHOck38AtHXUSRLU8UqYRKpi6XsXYPLIp3fr13lyL2zVttOI0F2fuSwLrwM s8yRSgZRzXUHcZsZC19Z2widm6OtzdImoLOO+nQDQtu5HQapzsULm+Oa0p2S1ce6xUEB khnxnavow9HZTAgm9043CZhcoxNT0lTN/T6JlA1qgy7OlAFZyqEszz0QIaJpq2htekLD W1hw== MIME-Version: 1.0 X-Received: by 10.153.11.163 with SMTP id ej3mr3591138lad.17.1396975941708; Tue, 08 Apr 2014 09:52:21 -0700 (PDT) Received: by 10.112.164.231 with HTTP; Tue, 8 Apr 2014 09:52:21 -0700 (PDT) Reply-To: fdmanana@gmail.com In-Reply-To: <1396971770-23553-3-git-send-email-lczerner@redhat.com> References: <20140404211224.GX17603@dastard> <1396971770-23553-1-git-send-email-lczerner@redhat.com> <1396971770-23553-3-git-send-email-lczerner@redhat.com> Date: Tue, 8 Apr 2014 17:52:21 +0100 Message-ID: Subject: Re: [PATCH 3/3] xfstests: Fix setting FSTYP automatically From: Filipe David Manana X-ASG-Orig-Subj: Re: [PATCH 3/3] xfstests: Fix setting FSTYP automatically To: Lukas Czerner Cc: "xfs@oss.sgi.com" , "linux-btrfs@vger.kernel.org" , Dave Chinner Content-Type: text/plain; charset=UTF-8 X-Barracuda-Connect: mail-bk0-f45.google.com[209.85.214.45] X-Barracuda-Start-Time: 1396975942 X-Barracuda-Encrypted: RC4-SHA X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=DKIM_SIGNED, DKIM_VERIFIED X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4693 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- -0.00 DKIM_VERIFIED Domain Keys Identified Mail: signature passes verification 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature On Tue, Apr 8, 2014 at 4:42 PM, Lukas Czerner wrote: > Currently if the FSTYP is not set, the code to get FSTYP using blikd > would not work. This is because we're using HOSTOS environment variable > which might not be set (at least not on my system) and because it's > already late in the code path. > > Fix this by using OSTYP environment variable as a fallback in the case > that HOSTOS does not work and move the check to common/config. > > Signed-off-by: Lukas Czerner Tested-by: Filipe David Manana Tests working for btrfs now. Thanks Lukas. > --- > check | 8 -------- > common/config | 18 +++++++++++++----- > 2 files changed, 13 insertions(+), 13 deletions(-) > > diff --git a/check b/check > index 8f1a6e1..ed1834d 100755 > --- a/check > +++ b/check > @@ -58,14 +58,6 @@ then > exit 1 > fi > > -# Autodetect fs type based on what's on $TEST_DEV unless it's been set > -# externally > -if [ -z "$FSTYP" -a "$HOSTOS" == "Linux" ]; then > - FSTYP=`blkid -c /dev/null -s TYPE -o value $TEST_DEV` > -fi > -FSTYP=${FSTYP:=xfs} > -export FSTYP > - > SUPPORTED_TESTS="[0-9][0-9][0-9] [0-9][0-9][0-9][0-9]" > SRC_GROUPS="generic shared" > export SRC_DIR="tests" > diff --git a/common/config b/common/config > index 3163801..00249e6 100644 > --- a/common/config > +++ b/common/config > @@ -297,11 +297,6 @@ _fsck_opts() > esac > } > > -[ -z "$FSTYP" ] && export FSTYP=xfs > -[ -z "$MOUNT_OPTIONS" ] && _mount_opts > -[ -z "$MKFS_OPTIONS" ] && _mkfs_opts > -[ -z "$FSCK_OPTIONS" ] && _fsck_opts > - > known_hosts() > { > [ "$HOST_CONFIG_DIR" ] || HOST_CONFIG_DIR=`pwd`/configs > @@ -446,6 +441,19 @@ get_next_config() { > if [ -z "$CONFIG_INCLUDED" ]; then > get_next_config `echo $HOST_OPTIONS_SECTIONS | cut -f1 -d" "` > export CONFIG_INCLUDED=true > + > + # Autodetect fs type based on what's on $TEST_DEV unless it's been set > + # externally > + if [ -z "$FSTYP" ] && \ > + [ "$HOSTOS" == "Linux" -o "$OSTYPE" == "linux-gnu" ] && \ > + [ ! -z "$TEST_DEV" ]; then > + FSTYP=`blkid -c /dev/null -s TYPE -o value $TEST_DEV` > + fi > + FSTYP=${FSTYP:=xfs} > + export FSTYP > + [ -z "$MOUNT_OPTIONS" ] && _mount_opts > + [ -z "$MKFS_OPTIONS" ] && _mkfs_opts > + [ -z "$FSCK_OPTIONS" ] && _fsck_opts > fi > > # make sure this script returns success > -- > 1.8.3.1 > -- Filipe David Manana, "Reasonable men adapt themselves to the world. Unreasonable men adapt the world to themselves. That's why all progress depends on unreasonable men." From bfoster@redhat.com Tue Apr 8 12:25:22 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id D881F8094 for ; Tue, 8 Apr 2014 12:25:22 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id C4AA58F8052 for ; Tue, 8 Apr 2014 10:25:19 -0700 (PDT) X-ASG-Debug-ID: 1396977918-04cbb054b8c012b0001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id 32YIFpWyMmwoGZA4 for ; Tue, 08 Apr 2014 10:25:18 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx13.intmail.prod.int.phx2.redhat.com (int-mx13.intmail.prod.int.phx2.redhat.com [10.5.11.26]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s38HPGSE031267 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Tue, 8 Apr 2014 13:25:17 -0400 Received: from bfoster.bfoster ([10.18.41.237]) by int-mx13.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s38HPGnf004097 for ; Tue, 8 Apr 2014 13:25:16 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id 279421256CC; Tue, 8 Apr 2014 13:25:15 -0400 (EDT) From: Brian Foster To: xfs@oss.sgi.com Subject: [PATCH] xfs: fix tmpfile/selinux deadlock and initialize security Date: Tue, 8 Apr 2014 13:25:15 -0400 X-ASG-Orig-Subj: [PATCH] xfs: fix tmpfile/selinux deadlock and initialize security Message-Id: <1396977915-35768-1-git-send-email-bfoster@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.26 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1396977918 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 xfstests generic/004 reproduces an ilock deadlock using the tmpfile interface when selinux is enabled. This occurs because xfs_create_tmpfile() takes the ilock and then calls d_tmpfile(). The latter eventually calls into xfs_xattr_get() which attempts to get the lock again. E.g.: xfs_io D ffffffff81c134c0 4096 3561 3560 0x00000080 ffff8801176a1a68 0000000000000046 ffff8800b401b540 ffff8801176a1fd8 00000000001d5800 00000000001d5800 ffff8800b401b540 ffff8800b401b540 ffff8800b73a6bd0 fffffffeffffffff ffff8800b73a6bd8 ffff8800b5ddb480 Call Trace: [] schedule+0x29/0x70 [] rwsem_down_read_failed+0xc5/0x120 [] ? xfs_ilock_attr_map_shared+0x1f/0x50 [xfs] [] call_rwsem_down_read_failed+0x14/0x30 [] ? down_read_nested+0x89/0xa0 [] ? xfs_ilock+0x122/0x250 [xfs] [] xfs_ilock+0x122/0x250 [xfs] [] xfs_ilock_attr_map_shared+0x1f/0x50 [xfs] [] xfs_attr_get+0x90/0xe0 [xfs] [] xfs_xattr_get+0x37/0x50 [xfs] [] generic_getxattr+0x4f/0x70 [] inode_doinit_with_dentry+0x1ae/0x650 [] selinux_d_instantiate+0x1c/0x20 [] security_d_instantiate+0x1b/0x30 [] d_instantiate+0x50/0x70 [] d_tmpfile+0xb5/0xc0 [] xfs_create_tmpfile+0x362/0x410 [xfs] [] xfs_vn_tmpfile+0x18/0x20 [xfs] [] path_openat+0x228/0x6a0 [] ? sched_clock+0x9/0x10 [] ? kvm_clock_read+0x27/0x40 [] ? __alloc_fd+0xaf/0x1f0 [] do_filp_open+0x3a/0x90 [] ? _raw_spin_unlock+0x27/0x40 [] ? __alloc_fd+0xaf/0x1f0 [] do_sys_open+0x12e/0x210 [] SyS_open+0x1e/0x20 [] system_call_fastpath+0x16/0x1b xfs_vn_tmpfile() also fails to initialize security on the newly created inode. Pull the d_tmpfile() call up into xfs_vn_tmpfile() after the transaction has been committed and the inode unlocked. Also, initialize security on the inode based on the parent directory provided via the tmpfile call. Signed-off-by: Brian Foster --- Hi all, I thought this looked safe given that d_tmpfile() looks generally like a d_instantiate() call with some extra magic for handling the tmpfile, but I could be missing something wrt to locking. ext4 looks like it defers the unlock_new_inode() call until after d_tmpfile() but I'm not quite sure why that is. We call it from xfs_setup_inode() further down in the inode allocation path. This has only seen some targeted testing so far. generic/004 passes with selinux enabled and I've verified (via xfs_repair) that the inode is pulled off the unlinked list if the security initialization fails. Brian fs/xfs/xfs_inode.c | 5 +++-- fs/xfs/xfs_inode.h | 2 +- fs/xfs/xfs_iops.c | 20 +++++++++++++++++--- 3 files changed, 21 insertions(+), 6 deletions(-) diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c index 5e7a38f..768087b 100644 --- a/fs/xfs/xfs_inode.c +++ b/fs/xfs/xfs_inode.c @@ -1334,7 +1334,8 @@ int xfs_create_tmpfile( struct xfs_inode *dp, struct dentry *dentry, - umode_t mode) + umode_t mode, + struct xfs_inode **ipp) { struct xfs_mount *mp = dp->i_mount; struct xfs_inode *ip = NULL; @@ -1402,7 +1403,6 @@ xfs_create_tmpfile( xfs_qm_vop_create_dqattach(tp, ip, udqp, gdqp, pdqp); ip->i_d.di_nlink--; - d_tmpfile(dentry, VFS_I(ip)); error = xfs_iunlink(tp, ip); if (error) goto out_trans_abort; @@ -1415,6 +1415,7 @@ xfs_create_tmpfile( xfs_qm_dqrele(gdqp); xfs_qm_dqrele(pdqp); + *ipp = ip; return 0; out_trans_abort: diff --git a/fs/xfs/xfs_inode.h b/fs/xfs/xfs_inode.h index 396cc1f..f2fcde5 100644 --- a/fs/xfs/xfs_inode.h +++ b/fs/xfs/xfs_inode.h @@ -334,7 +334,7 @@ int xfs_lookup(struct xfs_inode *dp, struct xfs_name *name, int xfs_create(struct xfs_inode *dp, struct xfs_name *name, umode_t mode, xfs_dev_t rdev, struct xfs_inode **ipp); int xfs_create_tmpfile(struct xfs_inode *dp, struct dentry *dentry, - umode_t mode); + umode_t mode, struct xfs_inode **ipp); int xfs_remove(struct xfs_inode *dp, struct xfs_name *name, struct xfs_inode *ip); int xfs_link(struct xfs_inode *tdp, struct xfs_inode *sip, diff --git a/fs/xfs/xfs_iops.c b/fs/xfs/xfs_iops.c index 89b07e4..ef1ca01 100644 --- a/fs/xfs/xfs_iops.c +++ b/fs/xfs/xfs_iops.c @@ -1053,11 +1053,25 @@ xfs_vn_tmpfile( struct dentry *dentry, umode_t mode) { - int error; + int error; + struct xfs_inode *ip; + struct inode *inode; - error = xfs_create_tmpfile(XFS_I(dir), dentry, mode); + error = xfs_create_tmpfile(XFS_I(dir), dentry, mode, &ip); + if (unlikely(error)) + return -error; - return -error; + inode = VFS_I(ip); + + error = xfs_init_security(inode, dir, &dentry->d_name); + if (unlikely(error)) { + iput(inode); + return -error; + } + + d_tmpfile(dentry, inode); + + return 0; } static const struct inode_operations xfs_inode_operations = { -- 1.8.3.1 From sasha.levin@oracle.com Tue Apr 8 15:40:49 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id A0F9529E25 for ; Tue, 8 Apr 2014 15:40:49 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id EB423AC014 for ; Tue, 8 Apr 2014 13:40:45 -0700 (PDT) X-ASG-Debug-ID: 1396989643-04cb6c77b50dfd0001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id Z2Wl7PiwL51ubY81 (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Tue, 08 Apr 2014 13:40:43 -0700 (PDT) X-Barracuda-Envelope-From: sasha.levin@oracle.com X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from acsinet22.oracle.com (acsinet22.oracle.com [141.146.126.238]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id s38KeZcC028469 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Tue, 8 Apr 2014 20:40:36 GMT Received: from aserz7021.oracle.com (aserz7021.oracle.com [141.146.126.230]) by acsinet22.oracle.com (8.14.4+Sun/8.14.4) with ESMTP id s38KeYVh014385 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Tue, 8 Apr 2014 20:40:35 GMT Received: from abhmp0016.oracle.com (abhmp0016.oracle.com [141.146.116.22]) by aserz7021.oracle.com (8.14.4+Sun/8.14.4) with ESMTP id s38KeYHX019359; Tue, 8 Apr 2014 20:40:34 GMT Received: from [10.154.155.132] (/10.154.155.132) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Tue, 08 Apr 2014 13:40:34 -0700 Message-ID: <53445EC0.9060707@oracle.com> Date: Tue, 08 Apr 2014 16:40:32 -0400 From: Sasha Levin User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.4.0 MIME-Version: 1.0 To: Dave Chinner , Al Viro CC: Dave Jones , Linux Kernel , xfs@oss.sgi.com Subject: Re: xfs i_lock vs mmap_sem lockdep trace. References: <20140329223109.GA24098@redhat.com> <20140330234335.GB16336@dastard> <20140330235717.GO18016@ZenIV.linux.org.uk> <20140331004053.GA17603@dastard> X-ASG-Orig-Subj: Re: xfs i_lock vs mmap_sem lockdep trace. In-Reply-To: <20140331004053.GA17603@dastard> X-Enigmail-Version: 1.6 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Source-IP: acsinet22.oracle.com [141.146.126.238] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1396989643 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4697 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On 03/30/2014 08:40 PM, Dave Chinner wrote: > On Mon, Mar 31, 2014 at 12:57:17AM +0100, Al Viro wrote: >> > On Mon, Mar 31, 2014 at 10:43:35AM +1100, Dave Chinner wrote: >>> > > filldir on a directory inode vs page fault on regular file. Known >>> > > issue, definitely a false positive. We have to change locking >>> > > algorithms to avoid such deficiencies of lockdep (a case of "lockdep >>> > > considered harmful", perhaps?) so it's not something I'm about to >>> > > rush... >> > >> > Give i_lock on directories a separate class, as it's been done for i_mutex... > Already done that. Commit: > > 93a8614 xfs: fix directory inode iolock lockdep false positive Hi Dave, The commit above introduces a new lockdep issue for me: [ 3162.917171] ====================================================== [ 3162.920402] [ INFO: RECLAIM_FS-READ-safe -> RECLAIM_FS-READ-unsafe lock order detected ] [ 3162.934790] 3.14.0-next-20140408-sasha-00023-g06962b5 #384 Not tainted [ 3162.934790] ------------------------------------------------------ [ 3162.934790] trinity-main/17183 [HC0[0]:SC0[0]:HE1:SE1] is trying to acquire: [ 3162.934790] (&xfs_dir_ilock_class){++++..}, at: xfs_ilock (fs/xfs/mrlock.h:50 fs/xfs/xfs_inode.c:165) [ 3162.934790] [ 3162.934790] and this task is already holding: [ 3162.934790] (sb_internal){.+.+.?}, at: xfs_trans_alloc (fs/xfs/xfs_trans.c:67) [ 3162.934790] which would create a new lock dependency: [ 3162.934790] (sb_internal){.+.+.?} -> (&xfs_dir_ilock_class){++++..} [ 3162.934790] [ 3162.934790] but this new dependency connects a RECLAIM_FS-READ-irq-safe lock: [ 3162.934790] (sb_internal){.+.+.?} ... which became RECLAIM_FS-READ-irq-safe at: [ 3162.934790] __lock_acquire (kernel/locking/lockdep.c:2821 kernel/locking/lockdep.c:3138) [ 3162.934790] lock_acquire (arch/x86/include/asm/current.h:14 kernel/locking/lockdep.c:3602) [ 3162.934790] __sb_start_write (fs/super.c:1187) [ 3162.934790] xfs_trans_alloc (fs/xfs/xfs_trans.c:67) [ 3162.934790] xfs_iomap_write_allocate (fs/xfs/xfs_iomap.c:689) [ 3162.934790] xfs_map_blocks (fs/xfs/xfs_aops.c:340) [ 3162.934790] xfs_vm_writepage (fs/xfs/xfs_aops.c:1081) [ 3162.934790] shrink_page_list (mm/vmscan.c:503 mm/vmscan.c:1015) [ 3162.934790] shrink_inactive_list (include/linux/spinlock.h:328 mm/vmscan.c:1503) [ 3162.934790] shrink_lruvec (mm/vmscan.c:1830 mm/vmscan.c:2054) [ 3162.934790] shrink_zone (mm/vmscan.c:2235) [ 3162.934790] kswapd_shrink_zone (include/linux/nodemask.h:131 include/linux/nodemask.h:131 mm/vmscan.c:2894) [ 3162.934790] kswapd (mm/vmscan.c:3080 mm/vmscan.c:3286) [ 3162.934790] kthread (kernel/kthread.c:210) [ 3162.934790] ret_from_fork (arch/x86/kernel/entry_64.S:555) [ 3162.934790] [ 3162.934790] to a RECLAIM_FS-READ-irq-unsafe lock: [ 3162.934790] (&mm->mmap_sem){++++++} ... which became RECLAIM_FS-READ-irq-unsafe at: [ 3162.934790] ... mark_held_locks (kernel/locking/lockdep.c:2523) [ 3162.934790] lockdep_trace_alloc (kernel/locking/lockdep.c:2745 kernel/locking/lockdep.c:2760) [ 3162.934790] __alloc_pages_nodemask (mm/page_alloc.c:2721) [ 3162.934790] alloc_pages_current (mm/mempolicy.c:2131) [ 3162.934790] pte_alloc_one (arch/x86/mm/pgtable.c:28) [ 3162.934790] __pte_alloc (mm/memory.c:557) [ 3162.934790] move_page_tables (mm/mremap.c:209 (discriminator 1)) [ 3162.934790] shift_arg_pages (fs/exec.c:607) [ 3162.934790] setup_arg_pages (fs/exec.c:715) [ 3162.934790] load_elf_binary (fs/binfmt_elf.c:745) [ 3162.934790] search_binary_handler (fs/exec.c:1392) [ 3162.934790] do_execve_common.isra.19 (fs/exec.c:1429 fs/exec.c:1525) [ 3162.934790] do_execve (fs/exec.c:1568) [ 3162.934790] run_init_process (init/main.c:818) [ 3162.934790] kernel_init (init/main.c:866) [ 3162.934790] ret_from_fork (arch/x86/kernel/entry_64.S:555) [ 3162.934790] [ 3162.934790] other info that might help us debug this: [ 3162.934790] [ 3162.934790] Chain exists of: sb_internal --> &xfs_dir_ilock_class --> &mm->mmap_sem [ 3162.934790] Possible interrupt unsafe locking scenario: [ 3162.934790] [ 3162.934790] CPU0 CPU1 [ 3162.934790] ---- ---- [ 3162.934790] lock(&mm->mmap_sem); [ 3162.934790] local_irq_disable(); [ 3162.934790] lock(sb_internal); [ 3162.934790] lock(&xfs_dir_ilock_class); [ 3162.934790] [ 3162.934790] lock(sb_internal); [ 3162.934790] [ 3162.934790] *** DEADLOCK *** [ 3162.934790] [ 3162.934790] 3 locks held by trinity-main/17183: [ 3162.934790] #0: (&type->i_mutex_dir_key#12){+.+.+.}, at: iterate_dir (fs/readdir.c:35) [ 3162.934790] #1: (sb_writers#34){.+.+.+}, at: touch_atime (fs/inode.c:1550) [ 3162.934790] #2: (sb_internal){.+.+.?}, at: xfs_trans_alloc (fs/xfs/xfs_trans.c:67) [ 3162.934790] the dependencies between RECLAIM_FS-READ-irq-safe lock and the holding lock: [ 3162.934790] -> (sb_internal){.+.+.?} ops: 1021 { [ 3162.934790] HARDIRQ-ON-R at: [ 3162.934790] __lock_acquire (kernel/locking/lockdep.c:2792 kernel/locking/lockdep.c:3138) [ 3162.934790] lock_acquire (arch/x86/include/asm/current.h:14 kernel/locking/lockdep.c:3602) [ 3162.934790] __sb_start_write (fs/super.c:1187) [ 3162.934790] xfs_trans_alloc (fs/xfs/xfs_trans.c:67) [ 3162.934790] xfs_create (fs/xfs/xfs_inode.c:1191) [ 3162.934790] xfs_vn_mknod (fs/xfs/xfs_iops.c:161) [ 3162.934790] xfs_vn_create (fs/xfs/xfs_iops.c:204) [ 3162.934790] vfs_create (fs/namei.c:2505) [ 3162.934790] do_last (fs/namei.c:2844 fs/namei.c:2929) [ 3162.934790] path_openat (fs/namei.c:3181) [ 3162.934790] do_filp_open (fs/namei.c:3230) [ 3162.934790] do_sys_open (fs/open.c:1014) [ 3162.934790] SyS_open (fs/open.c:1026) [ 3162.934790] tracesys (arch/x86/kernel/entry_64.S:749) [ 3162.934790] SOFTIRQ-ON-R at: [ 3162.934790] __lock_acquire (kernel/locking/lockdep.c:2804 kernel/locking/lockdep.c:3138) [ 3162.934790] lock_acquire (arch/x86/include/asm/current.h:14 kernel/locking/lockdep.c:3602) [ 3162.934790] __sb_start_write (fs/super.c:1187) [ 3162.934790] xfs_trans_alloc (fs/xfs/xfs_trans.c:67) [ 3162.934790] xfs_create (fs/xfs/xfs_inode.c:1191) [ 3162.934790] xfs_vn_mknod (fs/xfs/xfs_iops.c:161) [ 3162.934790] xfs_vn_create (fs/xfs/xfs_iops.c:204) [ 3162.934790] vfs_create (fs/namei.c:2505) [ 3162.934790] do_last (fs/namei.c:2844 fs/namei.c:2929) [ 3162.934790] path_openat (fs/namei.c:3181) [ 3162.934790] do_filp_open (fs/namei.c:3230) [ 3162.934790] do_sys_open (fs/open.c:1014) [ 3162.934790] SyS_open (fs/open.c:1026) [ 3162.934790] tracesys (arch/x86/kernel/entry_64.S:749) [ 3162.934790] IN-RECLAIM_FS-R at: [ 3162.934790] __lock_acquire (kernel/locking/lockdep.c:2821 kernel/locking/lockdep.c:3138) [ 3162.934790] lock_acquire (arch/x86/include/asm/current.h:14 kernel/locking/lockdep.c:3602) [ 3162.934790] __sb_start_write (fs/super.c:1187) [ 3162.934790] xfs_trans_alloc (fs/xfs/xfs_trans.c:67) [ 3162.934790] xfs_iomap_write_allocate (fs/xfs/xfs_iomap.c:689) [ 3162.934790] xfs_map_blocks (fs/xfs/xfs_aops.c:340) [ 3162.934790] xfs_vm_writepage (fs/xfs/xfs_aops.c:1081) [ 3162.934790] shrink_page_list (mm/vmscan.c:503 mm/vmscan.c:1015) [ 3162.934790] shrink_inactive_list (include/linux/spinlock.h:328 mm/vmscan.c:1503) [ 3162.934790] shrink_lruvec (mm/vmscan.c:1830 mm/vmscan.c:2054) [ 3162.934790] shrink_zone (mm/vmscan.c:2235) [ 3162.934790] kswapd_shrink_zone (include/linux/nodemask.h:131 include/linux/nodemask.h:131 mm/vmscan.c:2894) [ 3162.934790] kswapd (mm/vmscan.c:3080 mm/vmscan.c:3286) [ 3162.934790] kthread (kernel/kthread.c:210) [ 3162.934790] ret_from_fork (arch/x86/kernel/entry_64.S:555) [ 3162.934790] RECLAIM_FS-ON-R at: [ 3162.934790] mark_held_locks (kernel/locking/lockdep.c:2523) [ 3162.934790] lockdep_trace_alloc (kernel/locking/lockdep.c:2745 kernel/locking/lockdep.c:2760) [ 3162.934790] kmem_cache_alloc (mm/slub.c:965 mm/slub.c:2403 mm/slub.c:2476 mm/slub.c:2481) [ 3162.934790] kmem_zone_alloc (fs/xfs/kmem.c:130) [ 3162.934790] _xfs_trans_alloc (fs/xfs/xfs_trans.c:87 (discriminator 2)) [ 3162.934790] xfs_trans_alloc (fs/xfs/xfs_trans.c:68) [ 3162.934790] xfs_create (fs/xfs/xfs_inode.c:1191) [ 3162.934790] xfs_vn_mknod (fs/xfs/xfs_iops.c:161) [ 3162.934790] xfs_vn_create (fs/xfs/xfs_iops.c:204) [ 3162.934790] vfs_create (fs/namei.c:2505) [ 3162.934790] do_last (fs/namei.c:2844 fs/namei.c:2929) [ 3162.934790] path_openat (fs/namei.c:3181) [ 3162.934790] do_filp_open (fs/namei.c:3230) [ 3162.934790] do_sys_open (fs/open.c:1014) [ 3162.934790] SyS_open (fs/open.c:1026) [ 3162.934790] tracesys (arch/x86/kernel/entry_64.S:749) [ 3162.934790] INITIAL USE at: [ 3162.934790] __lock_acquire (kernel/locking/lockdep.c:3142) [ 3162.934790] lock_acquire (arch/x86/include/asm/current.h:14 kernel/locking/lockdep.c:3602) [ 3162.934790] __sb_start_write (fs/super.c:1187) [ 3162.934790] xfs_trans_alloc (fs/xfs/xfs_trans.c:67) [ 3162.934790] xfs_create (fs/xfs/xfs_inode.c:1191) [ 3162.934790] xfs_vn_mknod (fs/xfs/xfs_iops.c:161) [ 3162.934790] xfs_vn_create (fs/xfs/xfs_iops.c:204) [ 3162.934790] vfs_create (fs/namei.c:2505) [ 3162.934790] do_last (fs/namei.c:2844 fs/namei.c:2929) [ 3162.934790] path_openat (fs/namei.c:3181) [ 3162.934790] do_filp_open (fs/namei.c:3230) [ 3162.934790] do_sys_open (fs/open.c:1014) [ 3162.934790] SyS_open (fs/open.c:1026) [ 3162.934790] tracesys (arch/x86/kernel/entry_64.S:749) [ 3162.934790] } [ 3162.934790] ... key at: xfs_fs_type (??:?) [ 3162.934790] ... acquired at: [ 3162.934790] check_irq_usage (kernel/locking/lockdep.c:1638) [ 3162.934790] __lock_acquire (kernel/locking/lockdep_states.h:9 kernel/locking/lockdep.c:1844 kernel/locking/lockdep.c:1945 kernel/locking/lockdep.c:2131 kernel/locking/lockdep.c:3182) [ 3162.934790] lock_acquire (arch/x86/include/asm/current.h:14 kernel/locking/lockdep.c:3602) [ 3162.934790] down_write_nested (arch/x86/include/asm/rwsem.h:130 kernel/locking/rwsem.c:143) [ 3162.934790] xfs_ilock (fs/xfs/mrlock.h:50 fs/xfs/xfs_inode.c:165) [ 3162.934790] xfs_vn_update_time (fs/xfs/xfs_iops.c:944) [ 3162.934790] update_time (fs/inode.c:1502) [ 3162.934790] touch_atime (fs/inode.c:1565) [ 3162.934790] iterate_dir (include/linux/fs.h:1815 fs/readdir.c:43) [ 3162.934790] SyS_getdents (fs/readdir.c:214 fs/readdir.c:193) [ 3162.934790] tracesys (arch/x86/kernel/entry_64.S:749) [ 3162.934790] [ 3162.934790] the dependencies between the lock to be acquired and RECLAIM_FS-READ-irq-unsafe lock: [ 3162.934790] -> (&mm->mmap_sem){++++++} ops: 217938150 { [ 3162.934790] HARDIRQ-ON-W at: [ 3162.934790] __lock_acquire (kernel/locking/lockdep.c:2800 kernel/locking/lockdep.c:3138) [ 3162.934790] lock_acquire (arch/x86/include/asm/current.h:14 kernel/locking/lockdep.c:3602) [ 3162.934790] down_write (arch/x86/include/asm/rwsem.h:130 kernel/locking/rwsem.c:50) [ 3162.934790] do_execve_common.isra.19 (fs/exec.c:259 fs/exec.c:374 fs/exec.c:1496) [ 3162.934790] do_execve (fs/exec.c:1568) [ 3162.934790] run_init_process (init/main.c:818) [ 3162.934790] kernel_init (init/main.c:866) [ 3162.934790] ret_from_fork (arch/x86/kernel/entry_64.S:555) [ 3162.934790] HARDIRQ-ON-R at: [ 3162.934790] __lock_acquire (kernel/locking/lockdep.c:2792 kernel/locking/lockdep.c:3138) [ 3162.934790] lock_acquire (arch/x86/include/asm/current.h:14 kernel/locking/lockdep.c:3602) [ 3162.934790] might_fault (mm/memory.c:4214) [ 3162.934790] __clear_user (arch/x86/lib/usercopy_64.c:18 arch/x86/lib/usercopy_64.c:21) [ 3162.934790] clear_user (arch/x86/lib/usercopy_64.c:54) [ 3162.934790] padzero (fs/binfmt_elf.c:122) [ 3162.934790] load_elf_binary (fs/binfmt_elf.c:894 (discriminator 1)) [ 3162.934790] search_binary_handler (fs/exec.c:1392) [ 3162.934790] do_execve_common.isra.19 (fs/exec.c:1429 fs/exec.c:1525) [ 3162.934790] do_execve (fs/exec.c:1568) [ 3162.934790] run_init_process (init/main.c:818) [ 3162.934790] kernel_init (init/main.c:866) [ 3162.934790] ret_from_fork (arch/x86/kernel/entry_64.S:555) [ 3162.934790] SOFTIRQ-ON-W at: [ 3162.934790] __lock_acquire (kernel/locking/lockdep.c:2804 kernel/locking/lockdep.c:3138) [ 3162.934790] lock_acquire (arch/x86/include/asm/current.h:14 kernel/locking/lockdep.c:3602) [ 3162.934790] down_write (arch/x86/include/asm/rwsem.h:130 kernel/locking/rwsem.c:50) [ 3162.934790] do_execve_common.isra.19 (fs/exec.c:259 fs/exec.c:374 fs/exec.c:1496) [ 3162.934790] do_execve (fs/exec.c:1568) [ 3162.934790] run_init_process (init/main.c:818) [ 3162.934790] kernel_init (init/main.c:866) [ 3162.934790] ret_from_fork (arch/x86/kernel/entry_64.S:555) [ 3162.934790] SOFTIRQ-ON-R at: [ 3162.934790] __lock_acquire (kernel/locking/lockdep.c:2804 kernel/locking/lockdep.c:3138) [ 3162.934790] lock_acquire (arch/x86/include/asm/current.h:14 kernel/locking/lockdep.c:3602) [ 3162.934790] might_fault (mm/memory.c:4214) [ 3162.934790] __clear_user (arch/x86/lib/usercopy_64.c:18 arch/x86/lib/usercopy_64.c:21) [ 3162.934790] clear_user (arch/x86/lib/usercopy_64.c:54) [ 3162.934790] padzero (fs/binfmt_elf.c:122) [ 3162.934790] load_elf_binary (fs/binfmt_elf.c:894 (discriminator 1)) [ 3162.934790] search_binary_handler (fs/exec.c:1392) [ 3162.934790] do_execve_common.isra.19 (fs/exec.c:1429 fs/exec.c:1525) [ 3162.934790] do_execve (fs/exec.c:1568) [ 3162.934790] run_init_process (init/main.c:818) [ 3162.934790] kernel_init (init/main.c:866) [ 3162.934790] ret_from_fork (arch/x86/kernel/entry_64.S:555) [ 3162.934790] RECLAIM_FS-ON-W at: [ 3162.934790] mark_held_locks (kernel/locking/lockdep.c:2523) [ 3162.934790] lockdep_trace_alloc (kernel/locking/lockdep.c:2745 kernel/locking/lockdep.c:2760) [ 3162.934790] __alloc_pages_nodemask (mm/page_alloc.c:2721) [ 3162.934790] alloc_pages_current (mm/mempolicy.c:2131) [ 3162.934790] pte_alloc_one (arch/x86/mm/pgtable.c:28) [ 3162.934790] __pte_alloc (mm/memory.c:557) [ 3162.934790] move_page_tables (mm/mremap.c:209 (discriminator 1)) [ 3162.934790] shift_arg_pages (fs/exec.c:607) [ 3162.934790] setup_arg_pages (fs/exec.c:715) [ 3162.934790] load_elf_binary (fs/binfmt_elf.c:745) [ 3162.934790] search_binary_handler (fs/exec.c:1392) [ 3162.934790] do_execve_common.isra.19 (fs/exec.c:1429 fs/exec.c:1525) [ 3162.934790] do_execve (fs/exec.c:1568) [ 3162.934790] run_init_process (init/main.c:818) [ 3162.934790] kernel_init (init/main.c:866) [ 3162.934790] ret_from_fork (arch/x86/kernel/entry_64.S:555) [ 3162.934790] RECLAIM_FS-ON-R at: [ 3162.934790] mark_held_locks (kernel/locking/lockdep.c:2523) [ 3162.934790] lockdep_trace_alloc (kernel/locking/lockdep.c:2745 kernel/locking/lockdep.c:2760) [ 3162.934790] __alloc_pages_nodemask (mm/page_alloc.c:2721) [ 3162.934790] alloc_pages_current (mm/mempolicy.c:2131) [ 3162.934790] __get_free_pages (mm/page_alloc.c:2803) [ 3162.934790] get_zeroed_page (mm/page_alloc.c:2812) [ 3162.934790] __pud_alloc (mm/memory.c:3844) [ 3162.934790] __handle_mm_fault (include/linux/mm.h:1368 mm/memory.c:3728) [ 3162.934790] handle_mm_fault (mm/memory.c:3819) [ 3162.934790] __do_page_fault (arch/x86/mm/fault.c:1220) [ 3162.934790] do_page_fault (arch/x86/mm/fault.c:1272 include/linux/jump_label.h:105 include/linux/context_tracking_state.h:27 include/linux/context_tracking.h:45 arch/x86/mm/fault.c:1273) [ 3162.934790] do_async_page_fault (arch/x86/kernel/kvm.c:263) [ 3162.934790] async_page_fault (arch/x86/kernel/entry_64.S:1496) [ 3162.934790] clear_user (arch/x86/lib/usercopy_64.c:54) [ 3162.934790] padzero (fs/binfmt_elf.c:122) [ 3162.934790] load_elf_binary (fs/binfmt_elf.c:894 (discriminator 1)) [ 3162.934790] search_binary_handler (fs/exec.c:1392) [ 3162.934790] do_execve_common.isra.19 (fs/exec.c:1429 fs/exec.c:1525) [ 3162.934790] do_execve (fs/exec.c:1568) [ 3162.934790] run_init_process (init/main.c:818) [ 3162.934790] kernel_init (init/main.c:866) [ 3162.934790] ret_from_fork (arch/x86/kernel/entry_64.S:555) [ 3162.934790] INITIAL USE at: [ 3162.934790] __lock_acquire (kernel/locking/lockdep.c:3142) [ 3162.934790] lock_acquire (arch/x86/include/asm/current.h:14 kernel/locking/lockdep.c:3602) [ 3162.934790] down_write (arch/x86/include/asm/rwsem.h:130 kernel/locking/rwsem.c:50) [ 3162.934790] do_execve_common.isra.19 (fs/exec.c:259 fs/exec.c:374 fs/exec.c:1496) [ 3162.934790] do_execve (fs/exec.c:1568) [ 3162.934790] run_init_process (init/main.c:818) [ 3162.934790] kernel_init (init/main.c:866) [ 3162.934790] ret_from_fork (arch/x86/kernel/entry_64.S:555) [ 3162.934790] } [ 3162.934790] ... key at: __key.50836 (??:?) [ 3162.934790] ... acquired at: [ 3162.934790] lock_acquire (arch/x86/include/asm/current.h:14 kernel/locking/lockdep.c:3602) [ 3162.934790] might_fault (mm/memory.c:4214) [ 3162.934790] filldir (arch/x86/include/asm/uaccess.h:731 fs/readdir.c:176) [ 3162.934790] xfs_dir2_sf_getdents (fs/xfs/xfs_dir2_readdir.c:131) [ 3162.934790] xfs_readdir (fs/xfs/xfs_dir2_readdir.c:689) [ 3162.934790] xfs_file_readdir (fs/xfs/xfs_file.c:977) [ 3162.934790] iterate_dir (fs/readdir.c:42) [ 3162.934790] SyS_getdents (fs/readdir.c:214 fs/readdir.c:193) [ 3162.934790] tracesys (arch/x86/kernel/entry_64.S:749) [ 3162.934790] [ 3162.934790] -> (&xfs_dir_ilock_class){++++..} ops: 6 { [ 3162.934790] HARDIRQ-ON-W at: [ 3162.934790] __lock_acquire (kernel/locking/lockdep.c:2800 kernel/locking/lockdep.c:3138) [ 3162.934790] lock_acquire (arch/x86/include/asm/current.h:14 kernel/locking/lockdep.c:3602) [ 3162.934790] down_write_nested (arch/x86/include/asm/rwsem.h:130 kernel/locking/rwsem.c:143) [ 3162.934790] xfs_ilock (fs/xfs/mrlock.h:50 fs/xfs/xfs_inode.c:165) [ 3162.934790] xfs_vn_update_time (fs/xfs/xfs_iops.c:944) [ 3162.934790] update_time (fs/inode.c:1502) [ 3162.934790] touch_atime (fs/inode.c:1565) [ 3162.934790] iterate_dir (include/linux/fs.h:1815 fs/readdir.c:43) [ 3162.934790] SyS_getdents (fs/readdir.c:214 fs/readdir.c:193) [ 3162.934790] tracesys (arch/x86/kernel/entry_64.S:749) [ 3162.934790] HARDIRQ-ON-R at: [ 3162.934790] __lock_acquire (kernel/locking/lockdep.c:2792 kernel/locking/lockdep.c:3138) [ 3162.934790] lock_acquire (arch/x86/include/asm/current.h:14 kernel/locking/lockdep.c:3602) [ 3162.934790] down_read_nested (arch/x86/include/asm/rwsem.h:83 kernel/locking/rwsem.c:114) [ 3162.934790] xfs_ilock (fs/xfs/mrlock.h:43 fs/xfs/xfs_inode.c:167) [ 3162.934790] xfs_ilock_data_map_shared (fs/xfs/xfs_inode.c:106) [ 3162.934790] xfs_lookup (fs/xfs/xfs_inode.c:589) [ 3162.934790] xfs_vn_lookup (fs/xfs/xfs_iops.c:230) [ 3162.934790] lookup_real (fs/namei.c:1325) [ 3162.934790] __lookup_hash (fs/namei.c:1343) [ 3162.934790] lookup_slow (fs/namei.c:1454) [ 3162.934790] path_lookupat (fs/namei.c:1534 fs/namei.c:1904 fs/namei.c:1938) [ 3162.934790] filename_lookup (fs/namei.c:1978) [ 3162.934790] user_path_at_empty (fs/namei.c:2126) [ 3162.934790] user_path_at (fs/namei.c:2137) [ 3162.934790] vfs_fstatat (fs/stat.c:107) [ 3162.934790] vfs_stat (fs/stat.c:124) [ 3162.934790] SYSC_newstat (fs/stat.c:272) [ 3162.934790] SyS_newstat (fs/stat.c:267) [ 3162.934790] tracesys (arch/x86/kernel/entry_64.S:749) [ 3162.934790] SOFTIRQ-ON-W at: [ 3162.934790] __lock_acquire (kernel/locking/lockdep.c:2804 kernel/locking/lockdep.c:3138) [ 3162.934790] lock_acquire (arch/x86/include/asm/current.h:14 kernel/locking/lockdep.c:3602) [ 3162.934790] down_write_nested (arch/x86/include/asm/rwsem.h:130 kernel/locking/rwsem.c:143) [ 3162.934790] xfs_ilock (fs/xfs/mrlock.h:50 fs/xfs/xfs_inode.c:165) [ 3162.934790] xfs_vn_update_time (fs/xfs/xfs_iops.c:944) [ 3162.934790] update_time (fs/inode.c:1502) [ 3162.934790] touch_atime (fs/inode.c:1565) [ 3162.934790] iterate_dir (include/linux/fs.h:1815 fs/readdir.c:43) [ 3162.934790] SyS_getdents (fs/readdir.c:214 fs/readdir.c:193) [ 3162.934790] tracesys (arch/x86/kernel/entry_64.S:749) [ 3162.934790] SOFTIRQ-ON-R at: [ 3162.934790] __lock_acquire (kernel/locking/lockdep.c:2804 kernel/locking/lockdep.c:3138) [ 3162.934790] lock_acquire (arch/x86/include/asm/current.h:14 kernel/locking/lockdep.c:3602) [ 3162.934790] down_read_nested (arch/x86/include/asm/rwsem.h:83 kernel/locking/rwsem.c:114) [ 3162.934790] xfs_ilock (fs/xfs/mrlock.h:43 fs/xfs/xfs_inode.c:167) [ 3162.934790] xfs_ilock_data_map_shared (fs/xfs/xfs_inode.c:106) [ 3162.934790] xfs_lookup (fs/xfs/xfs_inode.c:589) [ 3162.934790] xfs_vn_lookup (fs/xfs/xfs_iops.c:230) [ 3162.934790] lookup_real (fs/namei.c:1325) [ 3162.934790] __lookup_hash (fs/namei.c:1343) [ 3162.934790] lookup_slow (fs/namei.c:1454) [ 3162.934790] path_lookupat (fs/namei.c:1534 fs/namei.c:1904 fs/namei.c:1938) [ 3162.934790] filename_lookup (fs/namei.c:1978) [ 3162.934790] user_path_at_empty (fs/namei.c:2126) [ 3162.934790] user_path_at (fs/namei.c:2137) [ 3162.934790] vfs_fstatat (fs/stat.c:107) [ 3162.934790] vfs_stat (fs/stat.c:124) [ 3162.934790] SYSC_newstat (fs/stat.c:272) [ 3162.934790] SyS_newstat (fs/stat.c:267) [ 3162.934790] tracesys (arch/x86/kernel/entry_64.S:749) [ 3162.934790] INITIAL USE at: [ 3162.934790] __lock_acquire (kernel/locking/lockdep.c:3142) [ 3162.934790] lock_acquire (arch/x86/include/asm/current.h:14 kernel/locking/lockdep.c:3602) [ 3162.934790] down_read_nested (arch/x86/include/asm/rwsem.h:83 kernel/locking/rwsem.c:114) [ 3162.934790] xfs_ilock (fs/xfs/mrlock.h:43 fs/xfs/xfs_inode.c:167) [ 3162.934790] xfs_ilock_data_map_shared (fs/xfs/xfs_inode.c:106) [ 3162.934790] xfs_lookup (fs/xfs/xfs_inode.c:589) [ 3162.934790] xfs_vn_lookup (fs/xfs/xfs_iops.c:230) [ 3162.934790] lookup_real (fs/namei.c:1325) [ 3162.934790] __lookup_hash (fs/namei.c:1343) [ 3162.934790] lookup_slow (fs/namei.c:1454) [ 3162.934790] path_lookupat (fs/namei.c:1534 fs/namei.c:1904 fs/namei.c:1938) [ 3162.934790] filename_lookup (fs/namei.c:1978) [ 3162.934790] user_path_at_empty (fs/namei.c:2126) [ 3162.934790] user_path_at (fs/namei.c:2137) [ 3162.934790] vfs_fstatat (fs/stat.c:107) [ 3162.934790] vfs_stat (fs/stat.c:124) [ 3162.934790] SYSC_newstat (fs/stat.c:272) [ 3162.934790] SyS_newstat (fs/stat.c:267) [ 3162.934790] tracesys (arch/x86/kernel/entry_64.S:749) [ 3162.934790] } [ 3162.934790] ... key at: xfs_dir_ilock_class (??:?) [ 3162.934790] ... acquired at: [ 3162.934790] check_irq_usage (kernel/locking/lockdep.c:1638) [ 3162.934790] __lock_acquire (kernel/locking/lockdep_states.h:9 kernel/locking/lockdep.c:1844 kernel/locking/lockdep.c:1945 kernel/locking/lockdep.c:2131 kernel/locking/lockdep.c:3182) [ 3162.934790] lock_acquire (arch/x86/include/asm/current.h:14 kernel/locking/lockdep.c:3602) [ 3162.934790] down_write_nested (arch/x86/include/asm/rwsem.h:130 kernel/locking/rwsem.c:143) [ 3162.934790] xfs_ilock (fs/xfs/mrlock.h:50 fs/xfs/xfs_inode.c:165) [ 3162.934790] xfs_vn_update_time (fs/xfs/xfs_iops.c:944) [ 3162.934790] update_time (fs/inode.c:1502) [ 3162.934790] touch_atime (fs/inode.c:1565) [ 3162.934790] iterate_dir (include/linux/fs.h:1815 fs/readdir.c:43) [ 3162.934790] SyS_getdents (fs/readdir.c:214 fs/readdir.c:193) [ 3162.934790] tracesys (arch/x86/kernel/entry_64.S:749) [ 3162.934790] [ 3162.934790] [ 3162.934790] stack backtrace: [ 3162.934790] CPU: 0 PID: 17183 Comm: trinity-main Not tainted 3.14.0-next-20140408-sasha-00023-g06962b5 #384 [ 3162.934790] ffffffff93a57840 ffff8804c55b5ad8 ffffffff9051ac81 0000000000000000 [ 3162.934790] ffff8804c6b10d38 ffff8804c55b5be8 ffffffff8d1c0eb5 0000000000000000 [ 3162.934790] ffff880400000001 0000000000000001 ffff8804c6b10000 ffffffff916c5d62 [ 3162.934790] Call Trace: [ 3162.934790] dump_stack (lib/dump_stack.c:52) [ 3162.934790] check_usage (kernel/locking/lockdep.c:1549 kernel/locking/lockdep.c:1580) [ 3162.934790] ? save_stack_trace (arch/x86/kernel/stacktrace.c:64) [ 3162.934790] ? check_usage_forwards (kernel/locking/lockdep.c:2371) [ 3162.934790] check_irq_usage (kernel/locking/lockdep.c:1638) [ 3162.934790] __lock_acquire (kernel/locking/lockdep_states.h:9 kernel/locking/lockdep.c:1844 kernel/locking/lockdep.c:1945 kernel/locking/lockdep.c:2131 kernel/locking/lockdep.c:3182) [ 3162.934790] ? get_parent_ip (kernel/sched/core.c:2471) [ 3162.934790] ? kmem_cache_alloc (include/linux/kmemleak.h:43 mm/slub.c:975 mm/slub.c:2468 mm/slub.c:2476 mm/slub.c:2481) [ 3162.934790] ? get_parent_ip (kernel/sched/core.c:2471) [ 3162.934790] ? preempt_count_sub (kernel/sched/core.c:2526) [ 3162.934790] lock_acquire (arch/x86/include/asm/current.h:14 kernel/locking/lockdep.c:3602) [ 3162.934790] ? xfs_ilock (fs/xfs/mrlock.h:50 fs/xfs/xfs_inode.c:165) [ 3162.934790] ? xfs_vn_update_time (fs/xfs/xfs_iops.c:944) [ 3162.934790] down_write_nested (arch/x86/include/asm/rwsem.h:130 kernel/locking/rwsem.c:143) [ 3162.934790] ? xfs_ilock (fs/xfs/mrlock.h:50 fs/xfs/xfs_inode.c:165) [ 3162.934790] ? xfs_trans_reserve (fs/xfs/xfs_trans.c:221) [ 3162.934790] xfs_ilock (fs/xfs/mrlock.h:50 fs/xfs/xfs_inode.c:165) [ 3162.934790] xfs_vn_update_time (fs/xfs/xfs_iops.c:944) [ 3162.934790] update_time (fs/inode.c:1502) [ 3162.934790] ? __mnt_want_write (arch/x86/include/asm/preempt.h:98 fs/namespace.c:358) [ 3162.934790] touch_atime (fs/inode.c:1565) [ 3162.934790] iterate_dir (include/linux/fs.h:1815 fs/readdir.c:43) [ 3162.934790] SyS_getdents (fs/readdir.c:214 fs/readdir.c:193) [ 3162.934790] ? iterate_dir (fs/readdir.c:151) [ 3162.934790] tracesys (arch/x86/kernel/entry_64.S:749) Thanks, Sasha From sandeen@sandeen.net Tue Apr 8 18:25:28 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id D3F5580CF for ; Tue, 8 Apr 2014 18:25:28 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id C8DE730408D for ; Tue, 8 Apr 2014 16:25:19 -0700 (PDT) X-ASG-Debug-ID: 1396999507-04cbb00dc417140001-NocioJ Received: from sandeen.net (sandeen.net [63.231.237.45]) by cuda.sgi.com with ESMTP id VFGA3PmoqjQdynvb for ; Tue, 08 Apr 2014 16:25:07 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@sandeen.net X-Barracuda-Apparent-Source-IP: 63.231.237.45 Received: by sandeen.net (Postfix, from userid 500) id 78F2563BE57C; Tue, 8 Apr 2014 18:25:06 -0500 (CDT) From: Eric Sandeen To: xfs@oss.sgi.com Subject: [PATCH 01/14] xfsprogs: fix various fd leaks Date: Tue, 8 Apr 2014 18:24:51 -0500 X-ASG-Orig-Subj: [PATCH 01/14] xfsprogs: fix various fd leaks Message-Id: <1396999504-13769-2-git-send-email-sandeen@redhat.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1396999504-13769-1-git-send-email-sandeen@redhat.com> References: <1396999504-13769-1-git-send-email-sandeen@redhat.com> X-Barracuda-Connect: sandeen.net[63.231.237.45] X-Barracuda-Start-Time: 1396999507 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4702 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- Coverity spotted these; several paths where we don't close fds when we return. Signed-off-by: Eric Sandeen --- fsr/xfs_fsr.c | 10 +++++++++- io/readdir.c | 1 + libhandle/handle.c | 1 + mkfs/proto.c | 12 +++++++++--- quota/quot.c | 1 + rtcp/xfs_rtcp.c | 2 ++ 6 files changed, 23 insertions(+), 4 deletions(-) diff --git a/fsr/xfs_fsr.c b/fsr/xfs_fsr.c index 6f00b41..6b5d260 100644 --- a/fsr/xfs_fsr.c +++ b/fsr/xfs_fsr.c @@ -706,6 +706,7 @@ fsrfs(char *mntdir, xfs_ino_t startino, int targetrange) if (xfs_getgeom(fsfd, &fsgeom) < 0 ) { fsrprintf(_("Skipping %s: could not get XFS geometry\n"), mntdir); + close(fsfd); return -1; } @@ -1346,6 +1347,8 @@ packfile(char *fname, char *tname, int fd, if (lseek64(tfd, 0, SEEK_SET)) { fsrprintf(_("Couldn't rewind on temporary file\n")); close(tfd); + if (ffd != -1) + close(ffd); free(fbuf); return -1; } @@ -1359,6 +1362,8 @@ packfile(char *fname, char *tname, int fd, fsrprintf(_("No improvement will be made (skipping): %s\n"), fname); free(fbuf); close(tfd); + if (ffd != -1) + close(ffd); return 1; /* no change/no error */ } @@ -1432,6 +1437,8 @@ packfile(char *fname, char *tname, int fd, } free(fbuf); close(tfd); + if (ffd != -1) + close(ffd); return -1; } if (nfrags) { @@ -1446,7 +1453,8 @@ packfile(char *fname, char *tname, int fd, } } ftruncate64(tfd, statp->bs_size); - if (ffd > 0) close(ffd); + if (ffd != -1) + close(ffd); fsync(tfd); free(fbuf); diff --git a/io/readdir.c b/io/readdir.c index 822818a..7133204 100644 --- a/io/readdir.c +++ b/io/readdir.c @@ -171,6 +171,7 @@ readdir_f( gettimeofday(&t2, NULL); closedir(dir); + close(dfd); t2 = tsub(t2, t1); timestr(&t2, ts, sizeof(ts), 0); diff --git a/libhandle/handle.c b/libhandle/handle.c index 9a232fa..9f81483 100644 --- a/libhandle/handle.c +++ b/libhandle/handle.c @@ -97,6 +97,7 @@ path_to_fshandle( /* new filesystem. add it to the cache */ fdhp = malloc(sizeof(struct fdhash)); if (fdhp == NULL) { + close(fd); errno = ENOMEM; return -1; } diff --git a/mkfs/proto.c b/mkfs/proto.c index 4d3680d..b7e0761 100644 --- a/mkfs/proto.c +++ b/mkfs/proto.c @@ -59,18 +59,19 @@ setup_proto( if ((fd = open(fname, O_RDONLY)) < 0 || (size = filesize(fd)) < 0) { fprintf(stderr, _("%s: failed to open %s: %s\n"), progname, fname, strerror(errno)); - exit(1); + goto out_fail; } + buf = malloc(size + 1); if (read(fd, buf, size) < size) { fprintf(stderr, _("%s: read failed on %s: %s\n"), progname, fname, strerror(errno)); - exit(1); + goto out_fail; } if (buf[size - 1] != '\n') { fprintf(stderr, _("%s: proto file %s premature EOF\n"), progname, fname); - exit(1); + goto out_fail; } buf[size] = '\0'; /* @@ -79,7 +80,12 @@ setup_proto( (void)getstr(&buf); /* boot image name */ (void)getnum(&buf); /* block count */ (void)getnum(&buf); /* inode count */ + close(fd); return buf; + +out_fail: + close(fd); + exit(1); } static long diff --git a/quota/quot.c b/quota/quot.c index a7782b4..96d449e 100644 --- a/quota/quot.c +++ b/quota/quot.c @@ -165,6 +165,7 @@ quot_bulkstat_mount( buf = (xfs_bstat_t *)calloc(NBSTAT, sizeof(xfs_bstat_t)); if (!buf) { perror("calloc"); + close(fsfd); return; } diff --git a/rtcp/xfs_rtcp.c b/rtcp/xfs_rtcp.c index f0b5936..b81b1e1 100644 --- a/rtcp/xfs_rtcp.c +++ b/rtcp/xfs_rtcp.c @@ -224,6 +224,7 @@ rtcp( char *source, char *target, int fextsize) if ( !(fsxattr.fsx_xflags & XFS_XFLAG_REALTIME) ) { fprintf(stderr, _("%s: %s is not a realtime file.\n"), progname, tbuf); + close( tofd ); return( -1 ); } @@ -234,6 +235,7 @@ rtcp( char *source, char *target, int fextsize) fprintf(stderr, _("%s: %s file extent size is %d, " "instead of %d.\n"), progname, tbuf, fsxattr.fsx_extsize, fextsize); + close( tofd ); return( -1 ); } } -- 1.7.1 From sandeen@sandeen.net Tue Apr 8 18:25:31 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 5216280D3 for ; Tue, 8 Apr 2014 18:25:31 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 4A55530408E for ; Tue, 8 Apr 2014 16:25:25 -0700 (PDT) X-ASG-Debug-ID: 1396999516-04cb6c77b614ff0001-NocioJ Received: from sandeen.net (sandeen.net [63.231.237.45]) by cuda.sgi.com with ESMTP id qYCtFwYbupvjs5un for ; Tue, 08 Apr 2014 16:25:16 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@sandeen.net X-Barracuda-Apparent-Source-IP: 63.231.237.45 Received: by sandeen.net (Postfix, from userid 500) id E32CA63BE834; Tue, 8 Apr 2014 18:25:06 -0500 (CDT) From: Eric Sandeen To: xfs@oss.sgi.com Subject: [PATCH 07/14] xfs_logprint: fix leak in error path of xlog_print_record() Date: Tue, 8 Apr 2014 18:24:57 -0500 X-ASG-Orig-Subj: [PATCH 07/14] xfs_logprint: fix leak in error path of xlog_print_record() Message-Id: <1396999504-13769-8-git-send-email-sandeen@redhat.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1396999504-13769-1-git-send-email-sandeen@redhat.com> References: <1396999504-13769-1-git-send-email-sandeen@redhat.com> X-Barracuda-Connect: sandeen.net[63.231.237.45] X-Barracuda-Start-Time: 1396999516 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4701 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- In 2 error paths we returned without freeing the allocated buf. Collapse them into a compound test & free buf on the way out. Signed-off-by: Eric Sandeen --- logprint/log_misc.c | 11 ++++++----- 1 files changed, 6 insertions(+), 5 deletions(-) diff --git a/logprint/log_misc.c b/logprint/log_misc.c index 52f1e85..a022df4 100644 --- a/logprint/log_misc.c +++ b/logprint/log_misc.c @@ -942,11 +942,12 @@ xlog_print_record( */ if (be32_to_cpu(rhead->h_cycle) != be32_to_cpu(*(__be32 *)ptr)) { - if (*read_type == FULL_READ) - return -1; - else if (be32_to_cpu(rhead->h_cycle) + 1 != - be32_to_cpu(*(__be32 *)ptr)) - return -1; + if ((*read_type == FULL_READ) || + (be32_to_cpu(rhead->h_cycle) + 1 != + be32_to_cpu(*(__be32 *)ptr))) { + free(buf); + return -1; + } } } -- 1.7.1 From sandeen@sandeen.net Tue Apr 8 18:25:32 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 236D580D3 for ; Tue, 8 Apr 2014 18:25:32 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id 1B30830408D for ; Tue, 8 Apr 2014 16:25:26 -0700 (PDT) X-ASG-Debug-ID: 1396999507-04cbb00dc617150001-NocioJ Received: from sandeen.net (sandeen.net [63.231.237.45]) by cuda.sgi.com with ESMTP id b53TkDcXtNTjcqeY for ; Tue, 08 Apr 2014 16:25:07 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@sandeen.net X-Barracuda-Apparent-Source-IP: 63.231.237.45 Received: by sandeen.net (Postfix, from userid 500) id A120D63C3B1D; Tue, 8 Apr 2014 18:25:06 -0500 (CDT) From: Eric Sandeen To: xfs@oss.sgi.com Subject: [PATCH 03/14] xfsprogs: trivial buffer frees on error paths Date: Tue, 8 Apr 2014 18:24:53 -0500 X-ASG-Orig-Subj: [PATCH 03/14] xfsprogs: trivial buffer frees on error paths Message-Id: <1396999504-13769-4-git-send-email-sandeen@redhat.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1396999504-13769-1-git-send-email-sandeen@redhat.com> References: <1396999504-13769-1-git-send-email-sandeen@redhat.com> X-Barracuda-Connect: sandeen.net[63.231.237.45] X-Barracuda-Start-Time: 1396999507 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4702 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- Lots of memory leaks on error paths etc, spotted by coverity. This patch rolls up the super-straightforward fixes across xfsprogs. Signed-off-by: Eric Sandeen --- db/addr.c | 15 +++++++-------- db/check.c | 4 +++- db/write.c | 2 ++ io/parent.c | 2 ++ mkfs/proto.c | 3 ++- 5 files changed, 16 insertions(+), 10 deletions(-) diff --git a/db/addr.c b/db/addr.c index f74dd62..f9f760d 100644 --- a/db/addr.c +++ b/db/addr.c @@ -85,16 +85,14 @@ addr_f( fl = flist_scan(argv[1]); if (fl == NULL) return 0; - if (!flist_parse(fld, fl, iocur_top->data, 0)) { - flist_free(fl); - return 0; - } + if (!flist_parse(fld, fl, iocur_top->data, 0)) + goto out; + flist_print(fl); for (tfl = fl; tfl->child != NULL; tfl = tfl->child) { if ((tfl->flags & FL_OKLOW) && tfl->low < tfl->high) { dbprintf(_("array not allowed for addr command\n")); - flist_free(fl); - return 0; + goto out; } } fld = tfl->fld; @@ -103,7 +101,7 @@ addr_f( next = inode_next_type(); if (next == TYP_NONE) { dbprintf(_("no next type for field %s\n"), fld->name); - return 0; + goto out; } fa = &ftattrtab[fld->ftyp]; ASSERT(fa->ftyp == fld->ftyp); @@ -111,9 +109,10 @@ addr_f( if (adf == NULL) { dbprintf(_("no addr function for field %s (type %s)\n"), fld->name, fa->name); - return 0; + goto out; } (*adf)(iocur_top->data, tfl->offset, next); +out: flist_free(fl); return 0; } diff --git a/db/check.c b/db/check.c index 4867698..baf7f9f 100644 --- a/db/check.c +++ b/db/check.c @@ -1136,7 +1136,7 @@ blocktrash_f( } if (blocks == 0) { dbprintf(_("blocktrash: no matching blocks\n")); - return 0; + goto out; } if (!sopt) dbprintf(_("blocktrash: seed %u\n"), seed); @@ -1161,6 +1161,7 @@ blocktrash_f( } } } +out: xfree(lentab); return 0; } @@ -1907,6 +1908,7 @@ ncheck_f( break; default: dbprintf(_("bad option -%c for ncheck command\n"), c); + xfree(ilist); return 0; } } diff --git a/db/write.c b/db/write.c index 7b34fc0..ca8bd0f 100644 --- a/db/write.c +++ b/db/write.c @@ -233,6 +233,7 @@ bwrite_lrot( memcpy(hold_region, base, shift); memcpy(base, base+shift, len-shift); memcpy(base+(len-shift), hold_region, shift); + free(hold_region); } /* ARGSUSED */ @@ -265,6 +266,7 @@ bwrite_rrot( memcpy(hold_region, base+(len-shift), shift); memmove(base+shift, base, len-shift); memcpy(base, hold_region, shift); + free(hold_region); } /* ARGSUSED */ diff --git a/io/parent.c b/io/parent.c index 47faaa0..ca989e9 100644 --- a/io/parent.c +++ b/io/parent.c @@ -258,6 +258,8 @@ parent_check(void) if (!bstatbuf || !parentbuf) { fprintf(stderr, _("unable to allocate buffers: %s\n"), strerror(errno)); + free(bstatbuf); + free(parentbuf); return 1; } diff --git a/mkfs/proto.c b/mkfs/proto.c index b7e0761..95583c9 100644 --- a/mkfs/proto.c +++ b/mkfs/proto.c @@ -49,7 +49,7 @@ char * setup_proto( char *fname) { - char *buf; + char *buf = NULL; static char dflt[] = "d--755 0 0 $"; int fd; long size; @@ -85,6 +85,7 @@ setup_proto( out_fail: close(fd); + free(buf); exit(1); } -- 1.7.1 From sandeen@sandeen.net Tue Apr 8 18:25:33 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 8848F80D3 for ; Tue, 8 Apr 2014 18:25:33 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id 810AF30408C for ; Tue, 8 Apr 2014 16:25:27 -0700 (PDT) X-ASG-Debug-ID: 1396999519-04cbb00dc317160001-NocioJ Received: from sandeen.net (sandeen.net [63.231.237.45]) by cuda.sgi.com with ESMTP id M0R1qt3CbEsE84dB for ; Tue, 08 Apr 2014 16:25:19 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@sandeen.net X-Barracuda-Apparent-Source-IP: 63.231.237.45 Received: by sandeen.net (Postfix, from userid 500) id 1630C63BEED7; Tue, 8 Apr 2014 18:25:07 -0500 (CDT) From: Eric Sandeen To: xfs@oss.sgi.com Subject: [PATCH 09/14] xfsprogs: annotate a case fallthrough in libxfs_ialloc Date: Tue, 8 Apr 2014 18:24:59 -0500 X-ASG-Orig-Subj: [PATCH 09/14] xfsprogs: annotate a case fallthrough in libxfs_ialloc Message-Id: <1396999504-13769-10-git-send-email-sandeen@redhat.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1396999504-13769-1-git-send-email-sandeen@redhat.com> References: <1396999504-13769-1-git-send-email-sandeen@redhat.com> X-Barracuda-Connect: sandeen.net[63.231.237.45] X-Barracuda-Start-Time: 1396999519 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4702 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- This is all working as intended, but add a comment to make it more obvious to readers and static code checkers. Signed-off-by: Eric Sandeen --- libxfs/util.c | 1 + 1 files changed, 1 insertions(+), 0 deletions(-) diff --git a/libxfs/util.c b/libxfs/util.c index f1aa4c6..1e48079 100644 --- a/libxfs/util.c +++ b/libxfs/util.c @@ -265,6 +265,7 @@ libxfs_ialloc( case S_IFSOCK: /* doesn't make sense to set an rdev for these */ rdev = 0; + /* FALLTHROUGH */ case S_IFCHR: case S_IFBLK: ip->i_d.di_format = XFS_DINODE_FMT_DEV; -- 1.7.1 From sandeen@sandeen.net Tue Apr 8 18:25:33 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id C8F7180DB for ; Tue, 8 Apr 2014 18:25:33 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id A5DE68F8065 for ; Tue, 8 Apr 2014 16:25:24 -0700 (PDT) X-ASG-Debug-ID: 1396999507-04cb6c77b614fc0001-NocioJ Received: from sandeen.net (sandeen.net [63.231.237.45]) by cuda.sgi.com with ESMTP id HajT6nIvdNqDCRBa for ; Tue, 08 Apr 2014 16:25:10 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@sandeen.net X-Barracuda-Apparent-Source-IP: 63.231.237.45 Received: by sandeen.net (Postfix, from userid 500) id 6196E63C59A4; Tue, 8 Apr 2014 18:25:06 -0500 (CDT) From: Eric Sandeen To: xfs@oss.sgi.com Subject: [PATCH 00/14] xfsprogs: varius & sundry fixes for coverity defects Date: Tue, 8 Apr 2014 18:24:50 -0500 X-ASG-Orig-Subj: [PATCH 00/14] xfsprogs: varius & sundry fixes for coverity defects Message-Id: <1396999504-13769-1-git-send-email-sandeen@redhat.com> X-Mailer: git-send-email 1.7.1 X-Barracuda-Connect: sandeen.net[63.231.237.45] X-Barracuda-Start-Time: 1396999510 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4701 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- This series knocks out 30 or so coverity defects. From sandeen@sandeen.net Tue Apr 8 18:25:33 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id E098A80DD for ; Tue, 8 Apr 2014 18:25:33 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id DA8458F8092 for ; Tue, 8 Apr 2014 16:25:24 -0700 (PDT) X-ASG-Debug-ID: 1396999515-04cb6c77b714ff0001-NocioJ Received: from sandeen.net (sandeen.net [63.231.237.45]) by cuda.sgi.com with ESMTP id UUKtBEO9VouAvUQ9 for ; Tue, 08 Apr 2014 16:25:16 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@sandeen.net X-Barracuda-Apparent-Source-IP: 63.231.237.45 Received: by sandeen.net (Postfix, from userid 500) id D1C2763BE57F; Tue, 8 Apr 2014 18:25:06 -0500 (CDT) From: Eric Sandeen To: xfs@oss.sgi.com Subject: [PATCH 06/14] xfs_quota: fix memory leak in quota_group_type() error path Date: Tue, 8 Apr 2014 18:24:56 -0500 X-ASG-Orig-Subj: [PATCH 06/14] xfs_quota: fix memory leak in quota_group_type() error path Message-Id: <1396999504-13769-7-git-send-email-sandeen@redhat.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1396999504-13769-1-git-send-email-sandeen@redhat.com> References: <1396999504-13769-1-git-send-email-sandeen@redhat.com> X-Barracuda-Connect: sandeen.net[63.231.237.45] X-Barracuda-Start-Time: 1396999515 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4701 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- quota_group_type has some rather contorted logic that's been around since 2005. In the (!name) case, if any of the 3 calls setting up ngroups fails, we fall back to using just one group. However, if it's the getgroups() call that fails, we overwrite the allocated gid ptr with &gid, thus leaking that allocated memory. Worse, we set "dofree" to 1, so will free non-allocated local var gid. And that last else case is redundant; if we get there, gids is guaranteed to be non-null. Refactor it a bit to be more clear (I hope) and correct. Signed-off-by: Eric Sandeen --- quota/quota.c | 20 ++++++++++++-------- 1 files changed, 12 insertions(+), 8 deletions(-) diff --git a/quota/quota.c b/quota/quota.c index 7e52ad2..367da8c 100644 --- a/quota/quota.c +++ b/quota/quota.c @@ -289,15 +289,19 @@ quota_group_type( } gids = &gid; ngroups = 1; - } else if ( ((ngroups = sysconf(_SC_NGROUPS_MAX)) < 0) || - ((gids = malloc(ngroups * sizeof(gid_t))) == NULL) || - ((ngroups = getgroups(ngroups, gids)) < 0)) { - dofree = (gids != NULL); - gid = getgid(); - gids = &gid; - ngroups = 1; } else { - dofree = (gids != NULL); + if ( ((ngroups = sysconf(_SC_NGROUPS_MAX)) < 0) || + ((gids = malloc(ngroups * sizeof(gid_t))) == NULL) || + ((ngroups = getgroups(ngroups, gids)) < 0)) { + /* something failed. Fall back to 1 group */ + free(gids); + gid = getgid(); + gids = &gid; + ngroups = 1; + } else { + /* It all worked, and we allocated memory */ + dofree = 1; + } } for (i = 0; i < ngroups; i++, name = NULL) { -- 1.7.1 From sandeen@sandeen.net Tue Apr 8 18:25:43 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id D1BF480E7 for ; Tue, 8 Apr 2014 18:25:43 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id CA155304089 for ; Tue, 8 Apr 2014 16:25:37 -0700 (PDT) X-ASG-Debug-ID: 1396999507-04cbb00dc317140001-NocioJ Received: from sandeen.net (sandeen.net [63.231.237.45]) by cuda.sgi.com with ESMTP id Ld11IcOboN44jPE9 for ; Tue, 08 Apr 2014 16:25:09 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@sandeen.net X-Barracuda-Apparent-Source-IP: 63.231.237.45 Received: by sandeen.net (Postfix, from userid 500) id AFDB063C3A3D; Tue, 8 Apr 2014 18:25:06 -0500 (CDT) From: Eric Sandeen To: xfs@oss.sgi.com Subject: [PATCH 04/14] xfsprogs: fix memory leak in xlog_recover_add_to_trans Date: Tue, 8 Apr 2014 18:24:54 -0500 X-ASG-Orig-Subj: [PATCH 04/14] xfsprogs: fix memory leak in xlog_recover_add_to_trans Message-Id: <1396999504-13769-5-git-send-email-sandeen@redhat.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1396999504-13769-1-git-send-email-sandeen@redhat.com> References: <1396999504-13769-1-git-send-email-sandeen@redhat.com> X-Barracuda-Connect: sandeen.net[63.231.237.45] X-Barracuda-Start-Time: 1396999509 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4702 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- Free the memory in error path of xlog_recover_add_to_trans(). Normally this memory is freed in recovery pass2, but is leaked in the error path. Userspace version of kernel commits 519ccb8 & aaaae98 Signed-off-by: Eric Sandeen --- libxlog/xfs_log_recover.c | 1 + 1 files changed, 1 insertions(+), 0 deletions(-) diff --git a/libxlog/xfs_log_recover.c b/libxlog/xfs_log_recover.c index 3f22921..d1fa535 100644 --- a/libxlog/xfs_log_recover.c +++ b/libxlog/xfs_log_recover.c @@ -1131,6 +1131,7 @@ xlog_recover_add_to_trans( "bad number of regions (%d) in inode log format", in_f->ilf_size); ASSERT(0); + kmem_free(ptr); return XFS_ERROR(EIO); } -- 1.7.1 From sandeen@sandeen.net Tue Apr 8 18:25:55 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 4FA4280EE for ; Tue, 8 Apr 2014 18:25:55 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 491D28F8087 for ; Tue, 8 Apr 2014 16:25:49 -0700 (PDT) X-ASG-Debug-ID: 1396999515-04cb6c77b714ff0002-NocioJ Received: from sandeen.net (sandeen.net [63.231.237.45]) by cuda.sgi.com with ESMTP id af072kPwL2yXZ68g for ; Tue, 08 Apr 2014 16:25:21 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@sandeen.net X-Barracuda-Apparent-Source-IP: 63.231.237.45 Received: by sandeen.net (Postfix, from userid 500) id 635C763BEBE7; Tue, 8 Apr 2014 18:25:07 -0500 (CDT) From: Eric Sandeen To: xfs@oss.sgi.com Subject: [PATCH 13/14] mkfs: catch unknown format in protofile parsing Date: Tue, 8 Apr 2014 18:25:03 -0500 X-ASG-Orig-Subj: [PATCH 13/14] mkfs: catch unknown format in protofile parsing Message-Id: <1396999504-13769-14-git-send-email-sandeen@redhat.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1396999504-13769-1-git-send-email-sandeen@redhat.com> References: <1396999504-13769-1-git-send-email-sandeen@redhat.com> X-Barracuda-Connect: sandeen.net[63.231.237.45] X-Barracuda-Start-Time: 1396999521 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4701 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- As the code stands today we can't get an unknown format in the last case statement, but Coverity warns that if we ever do, we'll use an uninitialized "ip" in the call to libxfs_trans_log_inode(). Adding a default: case to catch unknown formats is defensive and makes the checker happy. Signed-off-by: Eric Sandeen --- mkfs/proto.c | 3 +++ 1 files changed, 3 insertions(+), 0 deletions(-) diff --git a/mkfs/proto.c b/mkfs/proto.c index 95583c9..308325b 100644 --- a/mkfs/proto.c +++ b/mkfs/proto.c @@ -591,6 +591,9 @@ parseproto( } libxfs_iput(ip, 0); return; + default: + ASSERT(0); + fail(_("Unknown format"), EINVAL); } libxfs_trans_log_inode(tp, ip, flags); error = libxfs_bmap_finish(&tp, &flist, &committed); -- 1.7.1 From sandeen@sandeen.net Tue Apr 8 18:26:50 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 6CC1A8110 for ; Tue, 8 Apr 2014 18:26:49 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 964508F8065 for ; Tue, 8 Apr 2014 16:26:43 -0700 (PDT) X-ASG-Debug-ID: 1396999596-04cbb00dc617270001-NocioJ Received: from sandeen.net (sandeen.net [63.231.237.45]) by cuda.sgi.com with ESMTP id zCLgijN3R4LMr12E for ; Tue, 08 Apr 2014 16:26:36 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@sandeen.net X-Barracuda-Apparent-Source-IP: 63.231.237.45 Received: by sandeen.net (Postfix, from userid 500) id 5207863BECC5; Tue, 8 Apr 2014 18:25:07 -0500 (CDT) From: Eric Sandeen To: xfs@oss.sgi.com Subject: [PATCH 12/14] xfs_repair: address never-true tests in repair/bmap.c on 64 bit Date: Tue, 8 Apr 2014 18:25:02 -0500 X-ASG-Orig-Subj: [PATCH 12/14] xfs_repair: address never-true tests in repair/bmap.c on 64 bit Message-Id: <1396999504-13769-13-git-send-email-sandeen@redhat.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1396999504-13769-1-git-send-email-sandeen@redhat.com> References: <1396999504-13769-1-git-send-email-sandeen@redhat.com> X-Barracuda-Connect: sandeen.net[63.231.237.45] X-Barracuda-Start-Time: 1396999596 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4702 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- The test "if (new_naexts > BLKMAP_NEXTS_MAX)" is never true on a 64-bit platform; new_naexts is an int, and BLKMAP_NEXTS_MAX is INT_MAX. So just wrap the whole thing in the #ifdef. Signed-off-by: Eric Sandeen --- repair/bmap.c | 8 ++++---- 1 files changed, 4 insertions(+), 4 deletions(-) diff --git a/repair/bmap.c b/repair/bmap.c index 85d66dc..b81efb9 100644 --- a/repair/bmap.c +++ b/repair/bmap.c @@ -47,16 +47,16 @@ blkmap_alloc( if (nex < 1) nex = 1; +#if (BITS_PER_LONG == 32) /* on 64-bit platformsethis is never true */ if (nex > BLKMAP_NEXTS_MAX) { -#if (BITS_PER_LONG == 32) do_warn( _("Number of extents requested in blkmap_alloc (%d) overflows 32 bits.\n" "If this is not a corruption, then you will need a 64 bit system\n" "to repair this filesystem.\n"), nex); -#endif return NULL; } +#endif key = whichfork ? ablkmap_key : dblkmap_key; blkmap = pthread_getspecific(key); @@ -267,15 +267,15 @@ blkmap_grow( ASSERT(pthread_getspecific(key) == blkmap); } +#if (BITS_PER_LONG == 32) /* on 64-bit platforms this is never true */ if (new_naexts > BLKMAP_NEXTS_MAX) { -#if (BITS_PER_LONG == 32) do_error( _("Number of extents requested in blkmap_grow (%d) overflows 32 bits.\n" "You need a 64 bit system to repair this filesystem.\n"), new_naexts); -#endif return NULL; } +#endif if (new_naexts <= 0) { do_error( _("Number of extents requested in blkmap_grow (%d) overflowed the\n" -- 1.7.1 From sandeen@sandeen.net Tue Apr 8 18:26:53 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 56E4D8118 for ; Tue, 8 Apr 2014 18:26:53 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 4E64A8F8089 for ; Tue, 8 Apr 2014 16:26:47 -0700 (PDT) X-ASG-Debug-ID: 1396999597-04cb6c77b415080001-NocioJ Received: from sandeen.net (sandeen.net [63.231.237.45]) by cuda.sgi.com with ESMTP id UBMlr7aiEZenmB1l for ; Tue, 08 Apr 2014 16:26:37 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@sandeen.net X-Barracuda-Apparent-Source-IP: 63.231.237.45 Received: by sandeen.net (Postfix, from userid 500) id 7456263BEA5D; Tue, 8 Apr 2014 18:25:07 -0500 (CDT) From: Eric Sandeen To: xfs@oss.sgi.com Subject: [PATCH 14/14] xfs_db: don't use invalid index in ring_f Date: Tue, 8 Apr 2014 18:25:04 -0500 X-ASG-Orig-Subj: [PATCH 14/14] xfs_db: don't use invalid index in ring_f Message-Id: <1396999504-13769-15-git-send-email-sandeen@redhat.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1396999504-13769-1-git-send-email-sandeen@redhat.com> References: <1396999504-13769-1-git-send-email-sandeen@redhat.com> X-Barracuda-Connect: sandeen.net[63.231.237.45] X-Barracuda-Start-Time: 1396999597 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4701 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- ring_f() tests for an invalid index which would overrun the iocur_ring[] array and warns, but then uses it anyway. Return immediately if it's out of bounds. Signed-off-by: Eric Sandeen --- db/io.c | 4 +++- 1 files changed, 3 insertions(+), 1 deletions(-) diff --git a/db/io.c b/db/io.c index 9a787c8..6aba54e 100644 --- a/db/io.c +++ b/db/io.c @@ -358,8 +358,10 @@ ring_f( } index = (int)strtoul(argv[1], NULL, 0); - if (index < 0 || index >= RING_ENTRIES) + if (index < 0 || index >= RING_ENTRIES) { dbprintf(_("invalid entry: %d\n"), index); + return 0; + } ring_current = index; -- 1.7.1 From sandeen@sandeen.net Tue Apr 8 18:26:53 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id A91288118 for ; Tue, 8 Apr 2014 18:26:53 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id A16A58F808E for ; Tue, 8 Apr 2014 16:26:47 -0700 (PDT) X-ASG-Debug-ID: 1396999596-04cbb00dc317260001-NocioJ Received: from sandeen.net (sandeen.net [63.231.237.45]) by cuda.sgi.com with ESMTP id GKPddzkov9B30Exu for ; Tue, 08 Apr 2014 16:26:36 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@sandeen.net X-Barracuda-Apparent-Source-IP: 63.231.237.45 Received: by sandeen.net (Postfix, from userid 500) id 402B463BECB9; Tue, 8 Apr 2014 18:25:07 -0500 (CDT) From: Eric Sandeen To: xfs@oss.sgi.com Subject: [PATCH 11/14] xfs_quota: remove impossible tests in printpath Date: Tue, 8 Apr 2014 18:25:01 -0500 X-ASG-Orig-Subj: [PATCH 11/14] xfs_quota: remove impossible tests in printpath Message-Id: <1396999504-13769-12-git-send-email-sandeen@redhat.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1396999504-13769-1-git-send-email-sandeen@redhat.com> References: <1396999504-13769-1-git-send-email-sandeen@redhat.com> X-Barracuda-Connect: sandeen.net[63.231.237.45] X-Barracuda-Start-Time: 1396999596 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4702 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- printpath() had some cut & paste tests of "c" - but nothing had set it yet other than c=0, so testing it is pointless. Just remove tests for non-zero "c" until we might have set it to something interesting. Signed-off-by: Eric Sandeen --- quota/path.c | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-) diff --git a/quota/path.c b/quota/path.c index e9a6834..47fdd93 100644 --- a/quota/path.c +++ b/quota/path.c @@ -54,9 +54,9 @@ printpath( c = 0; printf(" ("); if (qstat.qs_flags & XFS_QUOTA_UDQ_ENFD) - c = printf("%suquota", c ? ", " : ""); + c = printf("uquota"); else if (qstat.qs_flags & XFS_QUOTA_UDQ_ACCT) - c = printf("%suqnoenforce", c ? ", " : ""); + c = printf("uqnoenforce"); if (qstat.qs_flags & XFS_QUOTA_GDQ_ENFD) c = printf("%sgquota", c ? ", " : ""); else if (qstat.qs_flags & XFS_QUOTA_GDQ_ACCT) -- 1.7.1 From sandeen@sandeen.net Tue Apr 8 18:26:57 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id C6F448128 for ; Tue, 8 Apr 2014 18:26:57 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id BF0AF30408D for ; Tue, 8 Apr 2014 16:26:48 -0700 (PDT) X-ASG-Debug-ID: 1396999599-04cbb00dc517280001-NocioJ Received: from sandeen.net (sandeen.net [63.231.237.45]) by cuda.sgi.com with ESMTP id 3AcCcrB0TI4wfZUH for ; Tue, 08 Apr 2014 16:26:39 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@sandeen.net X-Barracuda-Apparent-Source-IP: 63.231.237.45 Received: by sandeen.net (Postfix, from userid 500) id 0335D63BE835; Tue, 8 Apr 2014 18:25:07 -0500 (CDT) From: Eric Sandeen To: xfs@oss.sgi.com Subject: [PATCH 08/14] xfsprogs: free resources in libxfs_alloc_file_space error paths Date: Tue, 8 Apr 2014 18:24:58 -0500 X-ASG-Orig-Subj: [PATCH 08/14] xfsprogs: free resources in libxfs_alloc_file_space error paths Message-Id: <1396999504-13769-9-git-send-email-sandeen@redhat.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1396999504-13769-1-git-send-email-sandeen@redhat.com> References: <1396999504-13769-1-git-send-email-sandeen@redhat.com> X-Barracuda-Connect: sandeen.net[63.231.237.45] X-Barracuda-Start-Time: 1396999599 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 2.60 X-Barracuda-Spam-Status: No, SCORE=2.60 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MV0249, MARKETING_SUBJECT X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4702 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.60 MARKETING_SUBJECT Subject contains popular marketing words 2.00 BSF_SC0_MV0249 Custom rule MV0249 The bmap freelist & transaction pointer weren't being freed in libxfs_alloc_file_space error paths; more or less copy the error handling that exists in kernelspace to resolve this. Signed-off-by: Eric Sandeen --- libxfs/util.c | 20 +++++++++++++++++--- 1 files changed, 17 insertions(+), 3 deletions(-) diff --git a/libxfs/util.c b/libxfs/util.c index 1b05540..f1aa4c6 100644 --- a/libxfs/util.c +++ b/libxfs/util.c @@ -582,8 +582,17 @@ libxfs_alloc_file_space( resblks = (uint)XFS_DIOSTRAT_SPACE_RES(mp, datablocks); error = xfs_trans_reserve(tp, &M_RES(mp)->tr_write, resblks, 0); - if (error) + /* + * Check for running out of space + */ + if (error) { + /* + * Free the transaction structure. + */ + ASSERT(error == ENOSPC); /* XXX ERS? */ + xfs_trans_cancel(tp, 0); break; + } xfs_trans_ijoin(tp, ip, 0); xfs_trans_ihold(tp, ip); @@ -593,12 +602,12 @@ libxfs_alloc_file_space( &reccount, &free_list); if (error) - break; + goto error0; /* complete the transaction */ error = xfs_bmap_finish(&tp, &free_list, &committed); if (error) - break; + goto error0; error = xfs_trans_commit(tp, 0); if (error) @@ -612,6 +621,11 @@ libxfs_alloc_file_space( allocatesize_fsb -= allocated_fsb; } return error; + +error0: /* Cancel bmap, unlock inode, cancel trans */ + xfs_bmap_cancel(&free_list); + xfs_trans_cancel(tp, 0); + return error; } unsigned int -- 1.7.1 From sandeen@sandeen.net Tue Apr 8 18:27:00 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 207BA8131 for ; Tue, 8 Apr 2014 18:27:00 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 19D0F8F8081 for ; Tue, 8 Apr 2014 16:26:54 -0700 (PDT) X-ASG-Debug-ID: 1396999597-04cbb00dc417270001-NocioJ Received: from sandeen.net (sandeen.net [63.231.237.45]) by cuda.sgi.com with ESMTP id siocwZOc8k1r0l9k for ; Tue, 08 Apr 2014 16:26:37 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@sandeen.net X-Barracuda-Apparent-Source-IP: 63.231.237.45 Received: by sandeen.net (Postfix, from userid 500) id 296E663BEED8; Tue, 8 Apr 2014 18:25:07 -0500 (CDT) From: Eric Sandeen To: xfs@oss.sgi.com Subject: [PATCH 10/14] xfsprogs: fix too-large memset value in xfs_db's attr code Date: Tue, 8 Apr 2014 18:25:00 -0500 X-ASG-Orig-Subj: [PATCH 10/14] xfsprogs: fix too-large memset value in xfs_db's attr code Message-Id: <1396999504-13769-11-git-send-email-sandeen@redhat.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1396999504-13769-1-git-send-email-sandeen@redhat.com> References: <1396999504-13769-1-git-send-email-sandeen@redhat.com> X-Barracuda-Connect: sandeen.net[63.231.237.45] X-Barracuda-Start-Time: 1396999597 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4702 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- memset(value, 0xfeedface, valuelen); seemed to be trying to fill a new attr with some recognizeable magic, but of course memset can only set a single byte; switch this to use 'v' Signed-off-by: Eric Sandeen --- db/attrset.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/db/attrset.c b/db/attrset.c index 75be72e..762b3bf 100644 --- a/db/attrset.c +++ b/db/attrset.c @@ -146,7 +146,7 @@ attr_set_f( dbprintf(_("cannot allocate buffer (%d)\n"), valuelen); goto out; } - memset(value, 0xfeedface, valuelen); + memset(value, 'v', valuelen); } else { value = NULL; } -- 1.7.1 From sandeen@sandeen.net Tue Apr 8 18:27:01 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 685EE8131 for ; Tue, 8 Apr 2014 18:27:01 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id 60B8530407B for ; Tue, 8 Apr 2014 16:26:55 -0700 (PDT) X-ASG-Debug-ID: 1396999594-04cbb00dc417260001-NocioJ Received: from sandeen.net (sandeen.net [63.231.237.45]) by cuda.sgi.com with ESMTP id dnSEe1D284nDHupR for ; Tue, 08 Apr 2014 16:26:34 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@sandeen.net X-Barracuda-Apparent-Source-IP: 63.231.237.45 Received: by sandeen.net (Postfix, from userid 500) id 9166263C3B03; Tue, 8 Apr 2014 18:25:06 -0500 (CDT) From: Eric Sandeen To: xfs@oss.sgi.com Subject: [PATCH 02/14] xfsprogs: refactor fsrall_cleanup in xfs_fsr Date: Tue, 8 Apr 2014 18:24:52 -0500 X-ASG-Orig-Subj: [PATCH 02/14] xfsprogs: refactor fsrall_cleanup in xfs_fsr Message-Id: <1396999504-13769-3-git-send-email-sandeen@redhat.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1396999504-13769-1-git-send-email-sandeen@redhat.com> References: <1396999504-13769-1-git-send-email-sandeen@redhat.com> X-Barracuda-Connect: sandeen.net[63.231.237.45] X-Barracuda-Start-Time: 1396999594 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4702 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- fsrall_cleanup leaked an fd in the non-timeout case - but the logic was weird and tortured, refactor it to make more sense and fix the fd leak as well. Signed-off-by: Eric Sandeen --- fsr/xfs_fsr.c | 24 ++++++++++++------------ 1 files changed, 12 insertions(+), 12 deletions(-) diff --git a/fsr/xfs_fsr.c b/fsr/xfs_fsr.c index 6b5d260..3818f02 100644 --- a/fsr/xfs_fsr.c +++ b/fsr/xfs_fsr.c @@ -647,14 +647,19 @@ fsrall_cleanup(int timeout) int ret; char buf[SMBUFSZ]; - /* record where we left off */ unlink(leftofffile); - fd = open(leftofffile, O_WRONLY|O_CREAT|O_EXCL, 0644); - if (fd == -1) - fsrprintf(_("open(%s) failed: %s\n"), - leftofffile, strerror(errno)); - else { - if (timeout) { + + if (timeout) { + fsrprintf(_("%s startpass %d, endpass %d, time %d seconds\n"), + progname, startpass, fs->npass, + time(0) - endtime + howlong); + + /* record where we left off */ + fd = open(leftofffile, O_WRONLY|O_CREAT|O_EXCL, 0644); + if (fd == -1) { + fsrprintf(_("open(%s) failed: %s\n"), + leftofffile, strerror(errno)); + } else { ret = sprintf(buf, "%s %d %llu\n", fs->dev, fs->npass, (unsigned long long)leftoffino); if (write(fd, buf, ret) < strlen(buf)) @@ -663,11 +668,6 @@ fsrall_cleanup(int timeout) close(fd); } } - - if (timeout) - fsrprintf(_("%s startpass %d, endpass %d, time %d seconds\n"), - progname, startpass, fs->npass, - time(0) - endtime + howlong); } /* -- 1.7.1 From sandeen@sandeen.net Tue Apr 8 18:27:06 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 704E08141 for ; Tue, 8 Apr 2014 18:27:06 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 63E5230408C for ; Tue, 8 Apr 2014 16:27:00 -0700 (PDT) X-ASG-Debug-ID: 1396999590-04cb6c77b715070001-NocioJ Received: from sandeen.net (sandeen.net [63.231.237.45]) by cuda.sgi.com with ESMTP id CdnrK5JkLlG8gwtq for ; Tue, 08 Apr 2014 16:26:30 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@sandeen.net X-Barracuda-Apparent-Source-IP: 63.231.237.45 Received: by sandeen.net (Postfix, from userid 500) id BFC9263BE57E; Tue, 8 Apr 2014 18:25:06 -0500 (CDT) From: Eric Sandeen To: xfs@oss.sgi.com Subject: [PATCH 05/14] libxfs: fix memory leak in xfs_dir2_node_removename Date: Tue, 8 Apr 2014 18:24:55 -0500 X-ASG-Orig-Subj: [PATCH 05/14] libxfs: fix memory leak in xfs_dir2_node_removename Message-Id: <1396999504-13769-6-git-send-email-sandeen@redhat.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1396999504-13769-1-git-send-email-sandeen@redhat.com> References: <1396999504-13769-1-git-send-email-sandeen@redhat.com> X-Barracuda-Connect: sandeen.net[63.231.237.45] X-Barracuda-Start-Time: 1396999590 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4701 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- Fix the leak of kernel memory in xfs_dir2_node_removename() when xfs_dir2_leafn_remove() returns an error code. Cross-port of kernel commit 3a8c9208 Signed-off-by: Eric Sandeen --- libxfs/xfs_dir2_node.c | 26 +++++++++++++------------- 1 files changed, 13 insertions(+), 13 deletions(-) diff --git a/libxfs/xfs_dir2_node.c b/libxfs/xfs_dir2_node.c index 3256756..3737e4e 100644 --- a/libxfs/xfs_dir2_node.c +++ b/libxfs/xfs_dir2_node.c @@ -2088,12 +2088,12 @@ xfs_dir2_node_lookup( */ int /* error */ xfs_dir2_node_removename( - xfs_da_args_t *args) /* operation arguments */ + struct xfs_da_args *args) /* operation arguments */ { - xfs_da_state_blk_t *blk; /* leaf block */ + struct xfs_da_state_blk *blk; /* leaf block */ int error; /* error return value */ int rval; /* operation return value */ - xfs_da_state_t *state; /* btree cursor */ + struct xfs_da_state *state; /* btree cursor */ trace_xfs_dir2_node_removename(args); @@ -2105,19 +2105,18 @@ xfs_dir2_node_removename( state->mp = args->dp->i_mount; state->blocksize = state->mp->m_dirblksize; state->node_ents = state->mp->m_dir_node_ents; - /* - * Look up the entry we're deleting, set up the cursor. - */ + + /* Look up the entry we're deleting, set up the cursor. */ error = xfs_da3_node_lookup_int(state, &rval); if (error) - rval = error; - /* - * Didn't find it, upper layer screwed up. - */ + goto out_free; + + /* Didn't find it, upper layer screwed up. */ if (rval != EEXIST) { - xfs_da_state_free(state); - return rval; + error = rval; + goto out_free; } + blk = &state->path.blk[state->path.active - 1]; ASSERT(blk->magic == XFS_DIR2_LEAFN_MAGIC); ASSERT(state->extravalid); @@ -2128,7 +2127,7 @@ xfs_dir2_node_removename( error = xfs_dir2_leafn_remove(args, blk->bp, blk->index, &state->extrablk, &rval); if (error) - return error; + goto out_free; /* * Fix the hash values up the btree. */ @@ -2143,6 +2142,7 @@ xfs_dir2_node_removename( */ if (!error) error = xfs_dir2_node_to_leaf(state); +out_free: xfs_da_state_free(state); return error; } -- 1.7.1 From david@fromorbit.com Tue Apr 8 18:35:15 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 900888108 for ; Tue, 8 Apr 2014 18:35:15 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 82B038F8092 for ; Tue, 8 Apr 2014 16:35:06 -0700 (PDT) X-ASG-Debug-ID: 1397000095-04cb6c77b515700001-NocioJ Received: from ipmail05.adl6.internode.on.net (ipmail05.adl6.internode.on.net [150.101.137.143]) by cuda.sgi.com with ESMTP id cr5X08Mu6lTndm7i for ; Tue, 08 Apr 2014 16:34:59 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.143 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AkBqAIyGRFN5LEcvPGdsb2JhbABZgwY7gxCFC6NEAgeTUoZ3FwMBAQEBODWCZhw7JDQFJQMHLYd7mWmxJhaOc4QiBJhclgMr Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail05.adl6.internode.on.net with ESMTP; 09 Apr 2014 09:04:54 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WXfXW-0000WZ-70 for xfs@oss.sgi.com; Wed, 09 Apr 2014 09:34:50 +1000 Date: Wed, 9 Apr 2014 09:34:50 +1000 From: Dave Chinner To: xfs@oss.sgi.com Subject: [ANNOUNCE] xfsprogs: master branch updated to f994d14 Message-ID: <20140408233450.GL27017@dastard> X-ASG-Orig-Subj: [ANNOUNCE] xfsprogs: master branch updated to f994d14 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail05.adl6.internode.on.net[150.101.137.143] X-Barracuda-Start-Time: 1397000098 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4701 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- Hi folks, The xfsprogs repository at git://oss.sgi.com/xfs/cmds/xfsprogs has just been updated. The new head of the master branch is commit: f994d14 xfs_repair: fix prefetch queue waiting New Commits: Dave Chinner (1): [419d647] repair: ensure that unused superblock fields are zeroed David Sterba (1): [1b3c0d6] xfsprogs: add a missing QA header file to install-qa target Eric Sandeen (2): [857592d] xfs_db: hide debug bbmap output [f994d14] xfs_repair: fix prefetch queue waiting Mark Tinguely (1): [0a3717c] xfsprogs: fix directory hash ordering bug Code Diffstat: db/io.c | 2 +- include/Makefile | 1 + libxfs/xfs_da_btree.c | 2 +- repair/prefetch.c | 4 +++- repair/sb.c | 1 + 5 files changed, 7 insertions(+), 3 deletions(-) -- Dave Chinner david@fromorbit.com From david@fromorbit.com Tue Apr 8 19:05:12 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 9B4E18149 for ; Tue, 8 Apr 2014 19:05:12 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 8C9AE8F8092 for ; Tue, 8 Apr 2014 17:04:57 -0700 (PDT) X-ASG-Debug-ID: 1397001881-04cb6c77b516d50001-NocioJ Received: from ipmail05.adl6.internode.on.net (ipmail05.adl6.internode.on.net [150.101.137.143]) by cuda.sgi.com with ESMTP id ZVYDjWsM5GFHSAFV for ; Tue, 08 Apr 2014 17:04:42 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.143 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AjxcAN+IRFN5LEcvPGdsb2JhbABZgwaDS4ULtx+FXYEaFwMBAQEBODWCJQEBAQQ6HCMQCAMOCgklDwUNGAMHGhOHaAMQxCENhksXFow9ghkHhDgElm+BbYxyiREr Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail05.adl6.internode.on.net with ESMTP; 09 Apr 2014 09:13:56 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WXfgI-0000Y2-W6; Wed, 09 Apr 2014 09:43:55 +1000 Date: Wed, 9 Apr 2014 09:43:54 +1000 From: Dave Chinner To: Ming Chen Cc: xfs@oss.sgi.com, Erez Zadok Subject: Re: [PATCH] xfstest: log operations properly to generic/001.full Message-ID: <20140408234354.GM27017@dastard> X-ASG-Orig-Subj: Re: [PATCH] xfstest: log operations properly to generic/001.full References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail05.adl6.internode.on.net[150.101.137.143] X-Barracuda-Start-Time: 1397001881 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.60 X-Barracuda-Spam-Status: No, SCORE=0.60 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=MARKETING_SUBJECT X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4703 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.60 MARKETING_SUBJECT Subject contains popular marketing words On Sat, Apr 05, 2014 at 01:52:43AM -0400, Ming Chen wrote: > Part of the operations were written to 001.full from the awk script, while the > rest were piped to 001.full using tee. The resultant 001.full did not reflect > what are really performed. This makes debugging difficult. > > Signed-off-by: Ming Chen > --- > tests/generic/001 | 8 ++++---- > 1 file changed, 4 insertions(+), 4 deletions(-) > > diff --git a/tests/generic/001 b/tests/generic/001 > index 6e5f3dd..e1142ed 100755 > --- a/tests/generic/001 > +++ b/tests/generic/001 > @@ -190,7 +190,7 @@ _mark_iteration() > # > _chain() > { > - $AWK_PROG -v full_file=$seqres.full -v verify=$verify <$tmp.config ' > + $AWK_PROG -v verify=$verify <$tmp.config ' > BEGIN { nfile = 0 } > /^\#/ { next } > { file[nfile] = $1 > @@ -210,7 +210,7 @@ END { srand('$iter') > printf "if [ ! -f %s ]; then echo \"%s missing!\"; > exit; fi\n",file[j],file[j] > printf "if [ -f %s.0 ]; then echo \"%s.0 already > present!\"; exit; fi\n",file[j],file[j] Your mailer program has line wrapped the patch and converted all the tabs to spaces. I've fixed it up this time, but please read the Documentation/SubmittingPatches file in the kernel tree to learn how to prevent this from happening in future. Cheers, Dave. -- Dave Chinner david@fromorbit.com From david@fromorbit.com Tue Apr 8 19:28:07 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id E96318152 for ; Tue, 8 Apr 2014 19:28:07 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id D18763040EB for ; Tue, 8 Apr 2014 17:27:58 -0700 (PDT) X-ASG-Debug-ID: 1397002418-04cb6c77b417620001-NocioJ Received: from ipmail05.adl6.internode.on.net (ipmail05.adl6.internode.on.net [150.101.137.143]) by cuda.sgi.com with ESMTP id iSSFLgZO51IAwZv8 for ; Tue, 08 Apr 2014 17:13:39 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.143 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: Ak5qAOyPRFN5LEcvPGdsb2JhbABZgwY7gxCFC6NEAgeTUoVdgRsXAwEBAQE4NYJmHCMYJDQFJQMHLYd7ywkWjlYdhCIEmFyWAys Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail05.adl6.internode.on.net with ESMTP; 09 Apr 2014 09:42:11 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WXg7e-0000eU-Gt; Wed, 09 Apr 2014 10:12:10 +1000 Date: Wed, 9 Apr 2014 10:12:10 +1000 From: Dave Chinner To: xfs@oss.sgi.com Cc: linux-ext4@vger.kernel.org, linux-btrfs@vger.kernel.org Subject: [ANNOUNCE] xfstests: master branch updated to 610e44c Message-ID: <20140409001210.GO27017@dastard> X-ASG-Orig-Subj: [ANNOUNCE] xfstests: master branch updated to 610e44c MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail05.adl6.internode.on.net[150.101.137.143] X-Barracuda-Start-Time: 1397002418 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4703 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- Hi folks, The xfstests repository at git://oss.sgi.com/xfs/cmds/xfstests has just been updated. Patches often get missed, so please check if your outstanding patches were in this update. If they have not been in this update, please resubmit them to xfs@oss.sgi.com so they can be picked up in the next update. This update fixes the SCRATCH_DEV_POOL config file regression. The new head of the master branch is commit: 610e44c check: fix wallclock wrapping problem New Commits: Lukas Czerner (3): [f00a444] config: Fix SCRATCH_DEV_POOL handling [7407717] config: Unset SCRATCH_DEV when deduced from SCRATCH_DEV_POOL [e0f5daf] config: Fix setting FSTYP automatically Wanlong Gao (1): [610e44c] check: fix wallclock wrapping problem Code Diffstat: check | 10 +--------- common/config | 33 ++++++++++++++++++++++++++------- 2 files changed, 27 insertions(+), 16 deletions(-) -- Dave Chinner david@fromorbit.com From david@fromorbit.com Tue Apr 8 19:43:40 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 107D729E28 for ; Tue, 8 Apr 2014 19:43:40 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id F2AAC304110 for ; Tue, 8 Apr 2014 17:43:30 -0700 (PDT) X-ASG-Debug-ID: 1397004194-04cb6c77b418970001-NocioJ Received: from ipmail05.adl6.internode.on.net (ipmail05.adl6.internode.on.net [150.101.137.143]) by cuda.sgi.com with ESMTP id YitgFc7cwQTFTq19 for ; Tue, 08 Apr 2014 17:43:14 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.143 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AjxcALiORFN5LEcvPGdsb2JhbABZgwaDS4ULtx+FXYEbFwMBAQEBODWCJQEBAQQ6HCMQCAMOCgklDwUNGAMHGhOHaAMQxBgNhksXFow9ghkHhDgElm+BbYxyiREr Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail05.adl6.internode.on.net with ESMTP; 09 Apr 2014 09:38:13 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WXg3l-0000cj-V2; Wed, 09 Apr 2014 10:08:09 +1000 Date: Wed, 9 Apr 2014 10:08:09 +1000 From: Dave Chinner To: Ming Chen Cc: xfs@oss.sgi.com, Erez Zadok Subject: Re: [PATCH] xfstest: log operations properly to generic/001.full Message-ID: <20140409000809.GN27017@dastard> X-ASG-Orig-Subj: Re: [PATCH] xfstest: log operations properly to generic/001.full References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail05.adl6.internode.on.net[150.101.137.143] X-Barracuda-Start-Time: 1397004194 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.60 X-Barracuda-Spam-Status: No, SCORE=0.60 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=MARKETING_SUBJECT X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4704 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.60 MARKETING_SUBJECT Subject contains popular marketing words On Sat, Apr 05, 2014 at 01:52:43AM -0400, Ming Chen wrote: > Part of the operations were written to 001.full from the awk script, while the > rest were piped to 001.full using tee. The resultant 001.full did not reflect > what are really performed. This makes debugging difficult. > > Signed-off-by: Ming Chen This patch causes generic/001 to fail because it pushes all the debug into the output file as well as the generic/001.full file. diff -u tests/generic/001.out /home/dave/src/xfstests-dev/results//generic/001.out.bad --- tests/generic/001.out 2014-01-20 16:57:33.000000000 +1100 +++ /home/dave/src/xfstests-dev/results//generic/001.out.bad 2014-04-09 09:58:34.000000000 +1000 @@ -1,9 +1,1189 @@ QA output created by 001 cleanup setup .................................... -iter 1 chain ... check .................................... -iter 2 chain ... check .................................... -iter 3 chain ... check .................................... -iter 4 chain ... check .................................... -iter 5 chain ... check .................................... +iter 1 chain ... 2320100 sub/e.0 +2320101 sub/g.0 +2320102 sub/m00.0 +2320103 sub/b.0 +2320104 sub/d00.0 +2320105 sub/c.0 +2320106 sub/l00.0 +2320107 sub/c.1 ..... I'm going to drop this patch because it breaks a previously working test.... Cheers, Dave. -- Dave Chinner david@fromorbit.com From v.mingchen@gmail.com Tue Apr 8 20:04:13 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=FREEMAIL_FROM,T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 4812D29E30 for ; Tue, 8 Apr 2014 20:04:13 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 392D03040E9 for ; Tue, 8 Apr 2014 18:04:04 -0700 (PDT) X-ASG-Debug-ID: 1397005418-04cb6c77b619610001-NocioJ Received: from mail-ie0-f173.google.com (mail-ie0-f173.google.com [209.85.223.173]) by cuda.sgi.com with ESMTP id VmnvFQqDv1LyL9Wo (version=TLSv1 cipher=RC4-SHA bits=128 verify=NO) for ; Tue, 08 Apr 2014 18:03:38 -0700 (PDT) X-Barracuda-Envelope-From: v.mingchen@gmail.com X-Barracuda-Apparent-Source-IP: 209.85.223.173 X-Barracuda-IPDD: Level1 [gmail.com/209.85.223.173] Received: by mail-ie0-f173.google.com with SMTP id rl12so1794914iec.32 for ; Tue, 08 Apr 2014 18:03:38 -0700 (PDT) X-Barracuda-IPDD: Level1 [gmail.com/209.85.223.173] X-Barracuda-IPDD: Level1 [gmail.com/209.85.223.173] DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=D0DXjTjGc1ryiHuerXLs9nW9c/blpCUezHRKZjUUkzI=; b=Tn1V/f0/hZcLMCeXlvBf3xRRLTUtm+hEcUpWrc5+dJouYw+7uM/VgHblWxWBDSN8Dy +EbvD/qfjy9+uqUTFZ1oSIXcI+BYe0ndznb6c8yOYDYX9uon8mV3TqA1BGRVmf1G8uJm t+phHO9fT9NPbKXn9zQE3+TyYzrjO3qvQXWSykA+prpRwkz3h8LOes1RjhTEYziRRAXN o0uUg+7s1jt9Q5QaGc3ODwoP5+z7alPsW2WyKF51fasI/uXgwBAuM3yF73UKYA3CI8tX Ngpv/jFpvezEoFyuVu27CW02KjjgVExRbxbadbWEKC4otqK9LD/uBpLknBHi6b4lqfki lgyQ== MIME-Version: 1.0 X-Received: by 10.42.131.197 with SMTP id a5mr5563002ict.8.1397002165542; Tue, 08 Apr 2014 17:09:25 -0700 (PDT) Received: by 10.64.159.5 with HTTP; Tue, 8 Apr 2014 17:09:25 -0700 (PDT) In-Reply-To: <20140408234354.GM27017@dastard> References: <20140408234354.GM27017@dastard> Date: Tue, 8 Apr 2014 20:09:25 -0400 Message-ID: Subject: Re: [PATCH] xfstest: log operations properly to generic/001.full From: Ming Chen X-ASG-Orig-Subj: Re: [PATCH] xfstest: log operations properly to generic/001.full To: Dave Chinner Cc: Erez Zadok , xfs@oss.sgi.com Content-Type: text/plain; charset=ISO-8859-1 X-Barracuda-Connect: mail-ie0-f173.google.com[209.85.223.173] X-Barracuda-Start-Time: 1397005418 X-Barracuda-Encrypted: RC4-SHA X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.60 X-Barracuda-Spam-Status: No, SCORE=0.60 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=DKIM_SIGNED, DKIM_VERIFIED, MARKETING_SUBJECT X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4705 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.60 MARKETING_SUBJECT Subject contains popular marketing words -0.00 DKIM_VERIFIED Domain Keys Identified Mail: signature passes verification 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature On Tue, Apr 8, 2014 at 7:43 PM, Dave Chinner wrote: > > Your mailer program has line wrapped the patch and converted all the > tabs to spaces. I've fixed it up this time, but please read the > Documentation/SubmittingPatches file in the kernel tree to learn how > to prevent this from happening in future. > Sorry, I did not notice. Thanks for the fix and the reference. Best, Ming From v.mingchen@gmail.com Tue Apr 8 20:32:30 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: ** X-Spam-Status: No, score=2.4 required=5.0 tests=DATE_IN_PAST_03_06, FREEMAIL_FROM,T_DKIM_INVALID autolearn=no version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id A37C37F3F for ; Tue, 8 Apr 2014 20:32:30 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 96F898F80E3 for ; Tue, 8 Apr 2014 18:32:27 -0700 (PDT) X-ASG-Debug-ID: 1397007134-04cbb00dc61cad0001-NocioJ Received: from mail-qc0-f179.google.com (mail-qc0-f179.google.com [209.85.216.179]) by cuda.sgi.com with ESMTP id iNcrFf6MFPEJ3W1x (version=TLSv1 cipher=RC4-SHA bits=128 verify=NO) for ; Tue, 08 Apr 2014 18:32:16 -0700 (PDT) X-Barracuda-Envelope-From: v.mingchen@gmail.com X-Barracuda-Apparent-Source-IP: 209.85.216.179 X-Barracuda-IPDD: Level1 [gmail.com/209.85.216.179] Received: by mail-qc0-f179.google.com with SMTP id m20so2090295qcx.10 for ; Tue, 08 Apr 2014 18:32:14 -0700 (PDT) X-Barracuda-IPDD: Level1 [gmail.com/209.85.216.179] X-Barracuda-IPDD: Level1 [gmail.com/209.85.216.179] DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:to:cc:subject:date:message-id; bh=3VZper/pDOfnQ/YRKkKAFKNL/Y+3Nhxd/2HV4vXNPPE=; b=gxseG6+9gXJH1p2eAPPnvVpuE8LaMbS7R3OjWcCDK4oQvLgCEOzbHX5xun6CV49FgT bd4gUj2Xd9yH+Kuhg+uBc0pmaciQWSrssaSe/yffynny4MJzexeEWiCDe9yv8fv9rSF7 7qwdtm7C2gEHsIY/+XLVAKdg8vhcl/qXyndb3xDsqgtMjbWKEdn3PbAPPnYHBg3Yb8x5 z3gSp36hxKyHgrPgDYxQgrkQJKCEiceIkAU7fuBPvaGTNkmp9v0HAXCLrMwlNbY9tdOy 1Q3T5uoWjs/o+fPDdwwIvNwR4zSTHpq0MB9vdEFGV635eV5LAk8bi2Hm2ci4jHHLD/wB I4YA== X-Received: by 10.140.91.105 with SMTP id y96mr8560564qgd.3.1397007134342; Tue, 08 Apr 2014 18:32:14 -0700 (PDT) Received: from nfs4sec.fsl.cs.sunysb.edu (dhcp201.fsl.cs.sunysb.edu. [130.245.126.201]) by mx.google.com with ESMTPSA id r5sm7373400qaj.24.2014.04.08.18.32.13 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 08 Apr 2014 18:32:13 -0700 (PDT) From: Ming Chen To: xfs@oss.sgi.com, david@fromorbit.com Cc: ezk@fsl.cs.sunysb.edu, Ming Chen Subject: [PATCH v2] xfstest: log operations properly to generic/001.full Date: Tue, 8 Apr 2014 17:31:21 -0400 X-ASG-Orig-Subj: [PATCH v2] xfstest: log operations properly to generic/001.full Message-Id: <1396992681-9757-1-git-send-email-v.mingchen@gmail.com> X-Mailer: git-send-email 1.8.4.2 X-Barracuda-Connect: mail-qc0-f179.google.com[209.85.216.179] X-Barracuda-Start-Time: 1397007136 X-Barracuda-Encrypted: RC4-SHA X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 1.69 X-Barracuda-Spam-Status: No, SCORE=1.69 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=DATE_IN_PAST_03_06, DATE_IN_PAST_03_06_2, DKIM_SIGNED, DKIM_VERIFIED, MARKETING_SUBJECT X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4705 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.60 MARKETING_SUBJECT Subject contains popular marketing words 0.01 DATE_IN_PAST_03_06 Date: is 3 to 6 hours before Received: date -0.00 DKIM_VERIFIED Domain Keys Identified Mail: signature passes verification 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature 1.08 DATE_IN_PAST_03_06_2 DATE_IN_PAST_03_06_2 Part of the operations were written to 001.full from the awk script, while the rest were piped to 001.full using tee. The resultant 001.full did not reflect what are really performed. This makes debugging difficult. The output of executing 001.full is discarded. Tested-by: Ming Chen Signed-off-by: Ming Chen --- tests/generic/001 | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/tests/generic/001 b/tests/generic/001 index 6e5f3dd..6a10810 100755 --- a/tests/generic/001 +++ b/tests/generic/001 @@ -190,7 +190,7 @@ _mark_iteration() # _chain() { - $AWK_PROG -v full_file=$seqres.full -v verify=$verify <$tmp.config ' + $AWK_PROG -v verify=$verify <$tmp.config ' BEGIN { nfile = 0 } /^\#/ { next } { file[nfile] = $1 @@ -210,7 +210,7 @@ END { srand('$iter') printf "if [ ! -f %s ]; then echo \"%s missing!\"; exit; fi\n",file[j],file[j] printf "if [ -f %s.0 ]; then echo \"%s.0 already present!\"; exit; fi\n",file[j],file[j] printf "cp %s %s.0 || exit 1\n",file[j],file[j] - printf "ls -i %s.0\n", file[j] >full_file; + printf "ls -i %s.0 > /dev/null\n", file[j]; total_size += size[j] printf "# total size = %d\n", total_size } @@ -219,7 +219,7 @@ END { srand('$iter') printf "if [ ! -f %s.%d ]; then echo \"%s.%d missing!\"; exit; fi\n",file[j],link[j]-1,file[j],link[j]-1 printf "if [ -f %s.%d ]; then echo \"%s.%d already present!\"; exit; fi\n",file[j],link[j],file[j],link[j] printf "cp %s.%d %s.%d || exit 1\n",file[j],link[j]-1,file[j],link[j] - printf "ls -i %s.%d\n", file[j], link[j] >full_file; + printf "ls -i %s.%d > /dev/null\n", file[j], link[j]; total_size += size[j] printf "# total size = %d\n", total_size } @@ -231,7 +231,7 @@ END { srand('$iter') for (j=0; j 0) { printf "mv %s.%d %s.last\n",file[j],link[j]-1,file[j] - printf "ls -i %s.last\n", file[j] >full_file; + printf "ls -i %s.last > /dev/null\n", file[j]; } for (i=0; i X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: ** X-Spam-Status: No, score=2.3 required=5.0 tests=HTML_COMMENT_SAVED_URL, HTML_IMAGE_RATIO_04,HTML_MESSAGE,RCVD_NUMERIC_HELO,T_DKIM_INVALID autolearn=no version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 10B418140 for ; Wed, 9 Apr 2014 03:45:48 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id AFC55AC019 for ; 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X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id B899B7F5F for ; Wed, 9 Apr 2014 23:42:52 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id 808C58F8040 for ; Wed, 9 Apr 2014 21:42:52 -0700 (PDT) X-ASG-Debug-ID: 1397104969-04bdf07dc7785f0001-NocioJ Received: from ipmail07.adl2.internode.on.net (ipmail07.adl2.internode.on.net [150.101.137.131]) by cuda.sgi.com with ESMTP id vTwq2IKA5HLEa43n for ; Wed, 09 Apr 2014 21:42:49 -0700 (PDT) X-Barracuda-Envelope-From: dave@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.131 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AkANADkgRlN5LEcv/2dsb2JhbABRCIMGhCDBAAOBHRd0giUBKQQLASMjGAEXBQImAjsDNId7jHKcGaMngSmMbYNMgUkEqyCDQis Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail07.adl2.internode.on.net with ESMTP; 10 Apr 2014 14:12:48 +0930 Received: from disappointment.disaster.area ([192.168.1.110] helo=disappointment) by dastard with esmtp (Exim 4.80) (envelope-from ) id 1WY6ot-0004a7-EU; Thu, 10 Apr 2014 14:42:35 +1000 Received: from dave by disappointment with local (Exim 4.82) (envelope-from ) id 1WY6ot-0001tU-DN; Thu, 10 Apr 2014 14:42:35 +1000 From: Dave Chinner To: xfs@oss.sgi.com Cc: snitzer@redhat.com, bob.mastors@solidfire.com Subject: [PATCH] xfs: unmount does not wait for shutdown during unmount Date: Thu, 10 Apr 2014 14:42:35 +1000 X-ASG-Orig-Subj: [PATCH] xfs: unmount does not wait for shutdown during unmount Message-Id: <1397104955-7247-1-git-send-email-david@fromorbit.com> X-Mailer: git-send-email 1.9.0 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Barracuda-Connect: ipmail07.adl2.internode.on.net[150.101.137.131] X-Barracuda-Start-Time: 1397104969 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4746 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- From: Dave Chinner And interesting situation can occur if a log IO error occurs during the unmount of a filesystem. The cases reported have the same signature - the update of the superblock counters fails due to a log write IO error: XFS (dm-16): xfs_do_force_shutdown(0x2) called from line 1170 of file fs/xfs/xfs_log.c. Return address = 0xffffffffa08a44a1 XFS (dm-16): Log I/O Error Detected. Shutting down filesystem XFS (dm-16): Unable to update superblock counters. Freespace may not be correct on next mount. XFS (dm-16): xfs_log_force: error 5 returned. XFS (¿-¿¿¿): Please umount the filesystem and rectify the problem(s) It can be seen that the last line of output contains a corrupt device name - this is because the log and xfs_mount structures have already been freed by the time this message is printed. A kernel oops closely follows. The issue is that the shutdown is occurring in a separate IO completion thread to the unmount. Once the shutdown processing has started and all the iclogs are marked with XLOG_STATE_IOERROR, the log shutdown code wakes anyone waiting on a log force so they can process the shutdown error. This wakes up the unmount code that is doing a synchronous transaction to update the superblock counters. The unmount path now sees all the iclogs are marked with XLOG_STATE_IOERROR and so never waits on them again, knowing that if it does, there will not be a wakeup trigger for it and we will hang the unmount if we do. Hence the unmount runs through all the remaining code and frees all the filesystem structures while the xlog_iodone() is still processing the shutdown. When the log shutdown processing completes, xfs_do_force_shutdown() emits the "Please umount the filesystem and rectify the problem(s)" message, and xlog_iodone() then aborts all the objects attached to the iclog. An iclog that has already been freed.... The real issue here is that there is no serialisation point between the log IO and the unmount. We have serialisations points for log writes, log forces, reservations, etc, but we don't actually have any code that wakes for log IO to fully complete. We do that for all other types of object, so why not iclogbufs? Well, it turns out that we can easily do this. We've got xfs_buf handles, and that's what everyone else uses for IO serialisation. i.e. bp->b_sema. So, lets hold iclogbufs locked over IO, and only release the lock in xlog_iodone() when we are finished with the buffer. That way before we tear down the iclog, we can lock and unlock the buffer to ensure IO completion has finished completely before we tear it down. Signed-off-by: Dave Chinner --- fs/xfs/xfs_log.c | 53 ++++++++++++++++++++++++++++++++++++++++++++--------- 1 file changed, 44 insertions(+), 9 deletions(-) diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c index 8497a00..08624dc 100644 --- a/fs/xfs/xfs_log.c +++ b/fs/xfs/xfs_log.c @@ -1181,11 +1181,14 @@ xlog_iodone(xfs_buf_t *bp) /* log I/O is always issued ASYNC */ ASSERT(XFS_BUF_ISASYNC(bp)); xlog_state_done_syncing(iclog, aborted); + /* - * do not reference the buffer (bp) here as we could race - * with it being freed after writing the unmount record to the - * log. + * drop the buffer lock now that we are done. Nothing references + * the buffer after this, so an unmount waiting on this lock can now + * tear it down safely. As such, it is unsafe to reference the buffer + * (bp) after the unlock as we could race with it being freed. */ + xfs_buf_unlock(bp); } /* @@ -1368,8 +1371,16 @@ xlog_alloc_log( bp = xfs_buf_alloc(mp->m_logdev_targp, 0, BTOBB(log->l_iclog_size), 0); if (!bp) goto out_free_log; - bp->b_iodone = xlog_iodone; + + /* + * The iclogbuf buffer locks are held over IO but we are not going to do + * IO yet. Hence unlock the buffer so that the log IO path can grab it + * when appropriately. + */ ASSERT(xfs_buf_islocked(bp)); + xfs_buf_unlock(bp); + + bp->b_iodone = xlog_iodone; log->l_xbuf = bp; spin_lock_init(&log->l_icloglock); @@ -1398,6 +1409,9 @@ xlog_alloc_log( if (!bp) goto out_free_iclog; + ASSERT(xfs_buf_islocked(bp)); + xfs_buf_unlock(bp); + bp->b_iodone = xlog_iodone; iclog->ic_bp = bp; iclog->ic_data = bp->b_addr; @@ -1422,7 +1436,6 @@ xlog_alloc_log( iclog->ic_callback_tail = &(iclog->ic_callback); iclog->ic_datap = (char *)iclog->ic_data + log->l_iclog_hsize; - ASSERT(xfs_buf_islocked(iclog->ic_bp)); init_waitqueue_head(&iclog->ic_force_wait); init_waitqueue_head(&iclog->ic_write_wait); @@ -1631,6 +1644,12 @@ xlog_cksum( * we transition the iclogs to IOERROR state *after* flushing all existing * iclogs to disk. This is because we don't want anymore new transactions to be * started or completed afterwards. + * + * We lock the iclogbufs here so that we can serialise against IO completion + * during unmount. We might be processing a shutdown triggered during unmount, + * and that can occur asynchronously to the unmount thread, and hence we need to + * ensure that completes before tearing down the iclogbufs. Hence we need to + * hold the buffer lock across the log IO to acheive that. */ STATIC int xlog_bdstrat( @@ -1638,6 +1657,7 @@ xlog_bdstrat( { struct xlog_in_core *iclog = bp->b_fspriv; + xfs_buf_lock(bp); if (iclog->ic_state & XLOG_STATE_IOERROR) { xfs_buf_ioerror(bp, EIO); xfs_buf_stale(bp); @@ -1645,7 +1665,8 @@ xlog_bdstrat( /* * It would seem logical to return EIO here, but we rely on * the log state machine to propagate I/O errors instead of - * doing it here. + * doing it here. Similarly, IO completion will unlock the + * buffer, so we don't do it here. */ return 0; } @@ -1847,14 +1868,28 @@ xlog_dealloc_log( xlog_cil_destroy(log); /* - * always need to ensure that the extra buffer does not point to memory - * owned by another log buffer before we free it. + * Cycle all the iclogbuf locks to make sure all log IO completion + * is done before we tear down these buffers. */ + iclog = log->l_iclog; + for (i = 0; i < log->l_iclog_bufs; i++) { + xfs_buf_lock(iclog->ic_bp); + xfs_buf_unlock(iclog->ic_bp); + iclog = iclog->ic_next; + } + + /* + * Always need to ensure that the extra buffer does not point to memory + * owned by another log buffer before we free it. Also, cycle the lock + * first to ensure we've completed IO on it. + */ + xfs_buf_lock(log->l_xbuf); + xfs_buf_unlock(log->l_xbuf); xfs_buf_set_empty(log->l_xbuf, BTOBB(log->l_iclog_size)); xfs_buf_free(log->l_xbuf); iclog = log->l_iclog; - for (i=0; il_iclog_bufs; i++) { + for (i = 0; i < log->l_iclog_bufs; i++) { xfs_buf_free(iclog->ic_bp); next_iclog = iclog->ic_next; kmem_free(iclog); -- 1.9.0 From dave@fromorbit.com Thu Apr 10 00:01:18 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id E7D317F9D for ; Thu, 10 Apr 2014 00:01:17 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 8D858AC006 for ; Wed, 9 Apr 2014 22:01:17 -0700 (PDT) X-ASG-Debug-ID: 1397106075-04cb6c77b674430001-NocioJ Received: from ipmail07.adl2.internode.on.net (ipmail07.adl2.internode.on.net [150.101.137.131]) by cuda.sgi.com with ESMTP id 9N1lSXjEMqiOlyWh for ; Wed, 09 Apr 2014 22:01:16 -0700 (PDT) X-Barracuda-Envelope-From: dave@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.131 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: Ap4GABklRlN5LEcv/2dsb2JhbABZgwbGQRd0giUBAQUnLzMIGDE5AxsZh3vMNI8JhCIEqyCDQis Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail07.adl2.internode.on.net with ESMTP; 10 Apr 2014 14:31:10 +0930 Received: from disappointment.disaster.area ([192.168.1.110] helo=disappointment) by dastard with esmtp (Exim 4.80) (envelope-from ) id 1WY76e-0004c8-Mj for xfs@oss.sgi.com; Thu, 10 Apr 2014 15:00:56 +1000 Received: from dave by disappointment with local (Exim 4.82) (envelope-from ) id 1WY76e-0002CC-M3 for xfs@oss.sgi.com; Thu, 10 Apr 2014 15:00:56 +1000 From: Dave Chinner To: xfs@oss.sgi.com Subject: [PATCH 1/6] xfs: kill buffers over failed write ranges properly Date: Thu, 10 Apr 2014 15:00:48 +1000 X-ASG-Orig-Subj: [PATCH 1/6] xfs: kill buffers over failed write ranges properly Message-Id: <1397106053-7489-2-git-send-email-david@fromorbit.com> X-Mailer: git-send-email 1.9.0 In-Reply-To: <1397106053-7489-1-git-send-email-david@fromorbit.com> References: <1397106053-7489-1-git-send-email-david@fromorbit.com> X-Barracuda-Connect: ipmail07.adl2.internode.on.net[150.101.137.131] X-Barracuda-Start-Time: 1397106075 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4746 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- From: Dave Chinner When a write fails, if we don't clear the delalloc flags from the buffers over the failed range, they can persist beyond EOF and cause problems. writeback will see the pages int eh page cache, see they are dirty and continually retry the write, assuming that the page beyond EOF is just racing with a truncate. The page will eventually be released due to some other operation (e.g. direct IO), and it will not pass through invalidation because it is dirty. Hence it will be released with buffer_delay set on it, and trigger warnings in xfs_vm_releasepage() and assert fail in xfs_file_aio_write_direct because invalidation failed and we didn't write the corect amount. This causes failures on block size < page size filesystems in fsx and fsstress workloads run by xfstests. Fix it by completely trashing any state on the buffer that could be used to imply that it contains valid data when the delalloc range over the buffer is punched out during the failed write handling. Signed-off-by: Dave Chinner --- fs/xfs/xfs_aops.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/fs/xfs/xfs_aops.c b/fs/xfs/xfs_aops.c index 75df77d..282c726 100644 --- a/fs/xfs/xfs_aops.c +++ b/fs/xfs/xfs_aops.c @@ -1566,6 +1566,16 @@ xfs_vm_write_failed( xfs_vm_kill_delalloc_range(inode, block_offset, block_offset + bh->b_size); + + /* + * This buffer does not contain data anymore. make sure anyone + * who finds it knows that for certain. + */ + clear_buffer_delay(bh); + clear_buffer_uptodate(bh); + clear_buffer_mapped(bh); + clear_buffer_new(bh); + clear_buffer_dirty(bh); } } -- 1.9.0 From dave@fromorbit.com Thu Apr 10 00:01:18 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 898447F9D for ; Thu, 10 Apr 2014 00:01:18 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 804DB8F8054 for ; Wed, 9 Apr 2014 22:01:18 -0700 (PDT) X-ASG-Debug-ID: 1397106070-04cb6c77b574420003-NocioJ Received: from ipmail07.adl2.internode.on.net (ipmail07.adl2.internode.on.net [150.101.137.131]) by cuda.sgi.com with ESMTP id hXNOmXAqdmsdalh7 for ; Wed, 09 Apr 2014 22:01:16 -0700 (PDT) X-Barracuda-Envelope-From: dave@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.131 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: Ap4GABklRlN5LEcv/2dsb2JhbABZgwbGQRd0giUBAQUnLzMIGBgZOQMbGYd7qVqiWo59hC4EqyCDQis Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail07.adl2.internode.on.net with ESMTP; 10 Apr 2014 14:31:10 +0930 Received: from disappointment.disaster.area ([192.168.1.110] helo=disappointment) by dastard with esmtp (Exim 4.80) (envelope-from ) id 1WY76e-0004cD-PC for xfs@oss.sgi.com; Thu, 10 Apr 2014 15:00:56 +1000 Received: from dave by disappointment with local (Exim 4.82) (envelope-from ) id 1WY76e-0002Cb-OV for xfs@oss.sgi.com; Thu, 10 Apr 2014 15:00:56 +1000 From: Dave Chinner To: xfs@oss.sgi.com Subject: [PATCH 6/6] xfs: collapse range is delalloc challenged. Date: Thu, 10 Apr 2014 15:00:53 +1000 X-ASG-Orig-Subj: [PATCH 6/6] xfs: collapse range is delalloc challenged. Message-Id: <1397106053-7489-7-git-send-email-david@fromorbit.com> X-Mailer: git-send-email 1.9.0 In-Reply-To: <1397106053-7489-1-git-send-email-david@fromorbit.com> References: <1397106053-7489-1-git-send-email-david@fromorbit.com> X-Barracuda-Connect: ipmail07.adl2.internode.on.net[150.101.137.131] X-Barracuda-Start-Time: 1397106076 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4746 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- From: Dave Chinner FSX has been detecting data corruption after to collapse range calls. The key observation is that the offset of the last extent in the file was not being shifted, and hence when the file size was adjusted it was truncating away data because the extents handled been correctly shifted. Tracing indicated that before the collapse, the extent list looked like: .... ino 0x5788 state idx 6 offset 26 block 195904 count 10 flag 0 ino 0x5788 state idx 7 offset 39 block 195917 count 35 flag 0 ino 0x5788 state idx 8 offset 86 block 195964 count 32 flag 0 and after the shift of 2 blocks: ino 0x5788 state idx 6 offset 24 block 195904 count 10 flag 0 ino 0x5788 state idx 7 offset 37 block 195917 count 35 flag 0 ino 0x5788 state idx 8 offset 86 block 195964 count 32 flag 0 Note that the last extent did not change offset. After the changing of the file size: ino 0x5788 state idx 6 offset 24 block 195904 count 10 flag 0 ino 0x5788 state idx 7 offset 37 block 195917 count 35 flag 0 ino 0x5788 state idx 8 offset 86 block 195964 count 30 flag 0 You can see that the last extent had it's length truncated, indicating that we've lost data. The reason for this is that the xfs_bmap_shift_extents() loop uses XFS_IFORK_NEXTENTS() to determine how many extents are in the inode. This, unfortunately, doesn't take into account delayed allocation extents - it's a count of physically allocated extents - and hence when the file being collapsed has a delalloc extent like this one does prior to the range being collapsed: .... ino 0x5788 state idx 4 offset 11 block 4503599627239429 count 1 flag 0 .... it gets the count wrong and terminates the shift loop early. Fix it by using the in-memory extent array size that includes delayed allocation extents to determine the number of extents on the inode. Signed-off-by: Dave Chinner --- fs/xfs/xfs_bmap.c | 17 +++++++++++------ 1 file changed, 11 insertions(+), 6 deletions(-) diff --git a/fs/xfs/xfs_bmap.c b/fs/xfs/xfs_bmap.c index 5b6092e..f0efc7e 100644 --- a/fs/xfs/xfs_bmap.c +++ b/fs/xfs/xfs_bmap.c @@ -5413,6 +5413,7 @@ xfs_bmap_shift_extents( int whichfork = XFS_DATA_FORK; int logflags; xfs_filblks_t blockcount = 0; + int total_extents; if (unlikely(XFS_TEST_ERROR( (XFS_IFORK_FORMAT(ip, whichfork) != XFS_DINODE_FMT_EXTENTS && @@ -5429,7 +5430,6 @@ xfs_bmap_shift_extents( ASSERT(current_ext != NULL); ifp = XFS_IFORK_PTR(ip, whichfork); - if (!(ifp->if_flags & XFS_IFEXTENTS)) { /* Read in all the extents */ error = xfs_iread_extents(tp, ip, whichfork); @@ -5456,7 +5456,6 @@ xfs_bmap_shift_extents( /* We are going to change core inode */ logflags = XFS_ILOG_CORE; - if (ifp->if_flags & XFS_IFBROOT) { cur = xfs_bmbt_init_cursor(mp, tp, ip, whichfork); cur->bc_private.b.firstblock = *firstblock; @@ -5467,8 +5466,14 @@ xfs_bmap_shift_extents( logflags |= XFS_ILOG_DEXT; } - while (nexts++ < num_exts && - *current_ext < XFS_IFORK_NEXTENTS(ip, whichfork)) { + /* + * There may be delalloc extents in the data fork before the range we + * are collapsing out, so we cannot + * use the count of real extents here. Instead we have to calculate it + * from the incore fork. + */ + total_extents = ifp->if_bytes / sizeof(xfs_bmbt_rec_t); + while (nexts++ < num_exts && *current_ext < total_extents) { gotp = xfs_iext_get_ext(ifp, *current_ext); xfs_bmbt_get_all(gotp, &got); @@ -5556,10 +5561,11 @@ xfs_bmap_shift_extents( } (*current_ext)++; + total_extents = ifp->if_bytes / sizeof(xfs_bmbt_rec_t); } /* Check if we are done */ - if (*current_ext == XFS_IFORK_NEXTENTS(ip, whichfork)) + if (*current_ext == total_extents) *done = 1; del_cursor: @@ -5568,6 +5574,5 @@ del_cursor: error ? XFS_BTREE_ERROR : XFS_BTREE_NOERROR); xfs_trans_log_inode(tp, ip, logflags); - return error; } -- 1.9.0 From dave@fromorbit.com Thu Apr 10 00:01:19 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 50D0B7F9D for ; Thu, 10 Apr 2014 00:01:19 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 306CA30405F for ; Wed, 9 Apr 2014 22:01:15 -0700 (PDT) X-ASG-Debug-ID: 1397106070-04cb6c77b574420001-NocioJ Received: from ipmail07.adl2.internode.on.net (ipmail07.adl2.internode.on.net [150.101.137.131]) by cuda.sgi.com with ESMTP id bUH9roQLo2J3pabs for ; Wed, 09 Apr 2014 22:01:11 -0700 (PDT) X-Barracuda-Envelope-From: dave@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.131 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AjoHABklRlN5LEcv/2dsb2JhbABZgwY7qzGaVRd0gwI7gQIDiC8OmWOyQ4xvghqEIgSrIIE/ggMr Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail07.adl2.internode.on.net with ESMTP; 10 Apr 2014 14:31:10 +0930 Received: from disappointment.disaster.area ([192.168.1.110] helo=disappointment) by dastard with esmtp (Exim 4.80) (envelope-from ) id 1WY76e-0004c7-MG for xfs@oss.sgi.com; Thu, 10 Apr 2014 15:00:56 +1000 Received: from dave by disappointment with local (Exim 4.82) (envelope-from ) id 1WY76e-0002C9-LH for xfs@oss.sgi.com; Thu, 10 Apr 2014 15:00:56 +1000 From: Dave Chinner To: xfs@oss.sgi.com Subject: [PATCH 0/6 v2] xfs: delalloc, dio and corruption... Date: Thu, 10 Apr 2014 15:00:47 +1000 X-ASG-Orig-Subj: [PATCH 0/6 v2] xfs: delalloc, dio and corruption... Message-Id: <1397106053-7489-1-git-send-email-david@fromorbit.com> X-Mailer: git-send-email 1.9.0 X-Barracuda-Connect: ipmail07.adl2.internode.on.net[150.101.137.131] X-Barracuda-Start-Time: 1397106070 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4746 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- Hi folks, This is version 2 of the DIO vs delalloc patchset I posted here: http://oss.sgi.com/archives/xfs/2014-03/msg00313.html The changes to this version are: - the bug fix to patch 2 that Brain noticed, - I dropped the delalloc extent splittting patch because with the fix to patch 2 I can't trigger that bug anymore, and that patch was causing transaction overruns in xfs/297. Hence without an existing reproducer, I won't try to fix that problem. - the last patch is new, and is a bug in the collapse range code where it fails to shift the last N extents correctly if there are N delalloc extents before the shifted range. With these 6 patches, all of the xfstests fsx/fsstress tests pass on 1k, 2k and 4k block size filesystems, with and without CRCs enabled, on 1, 2 and 16p test VMs. I'm much happier with these patches now - I don't think that there are more problems lurking, but only time will tell. I'd like to get these fixes to Linus for 3.15 (probably for -rc2), so eyeballs and testing would be appreciated. Cheers, Dave. From dave@fromorbit.com Thu Apr 10 00:01:19 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 858387F9D for ; Thu, 10 Apr 2014 00:01:19 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id F148AAC006 for ; Wed, 9 Apr 2014 22:01:18 -0700 (PDT) X-ASG-Debug-ID: 1397106076-04cbb00dc57ab80001-NocioJ Received: from ipmail07.adl2.internode.on.net (ipmail07.adl2.internode.on.net [150.101.137.131]) by cuda.sgi.com with ESMTP id AxDYd6G6rcUT5Rss for ; Wed, 09 Apr 2014 22:01:17 -0700 (PDT) X-Barracuda-Envelope-From: dave@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.131 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: Ap8GABklRlN5LEcv/2dsb2JhbABZgwbFJYEcF3SCJQEBBScvMwgYMTkDGxmHe8w0jghZKIQiBKsgg0IrgSw Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail07.adl2.internode.on.net with ESMTP; 10 Apr 2014 14:31:10 +0930 Received: from disappointment.disaster.area ([192.168.1.110] helo=disappointment) by dastard with esmtp (Exim 4.80) (envelope-from ) id 1WY76e-0004cB-O0 for xfs@oss.sgi.com; Thu, 10 Apr 2014 15:00:56 +1000 Received: from dave by disappointment with local (Exim 4.82) (envelope-from ) id 1WY76e-0002CR-NI for xfs@oss.sgi.com; Thu, 10 Apr 2014 15:00:56 +1000 From: Dave Chinner To: xfs@oss.sgi.com Subject: [PATCH 4/6] xfs: zeroing space needs to punch delalloc blocks Date: Thu, 10 Apr 2014 15:00:51 +1000 X-ASG-Orig-Subj: [PATCH 4/6] xfs: zeroing space needs to punch delalloc blocks Message-Id: <1397106053-7489-5-git-send-email-david@fromorbit.com> X-Mailer: git-send-email 1.9.0 In-Reply-To: <1397106053-7489-1-git-send-email-david@fromorbit.com> References: <1397106053-7489-1-git-send-email-david@fromorbit.com> X-Barracuda-Connect: ipmail07.adl2.internode.on.net[150.101.137.131] X-Barracuda-Start-Time: 1397106076 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4747 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- From: Dave Chinner When we are zeroing space andit is covered by a delalloc range, we need to punch the delalloc range out before we truncate the page cache. Failing to do so leaves and inconsistency between the page cache and the extent tree, which we later trip over when doing direct IO over the same range. Signed-off-by: Dave Chinner --- fs/xfs/xfs_bmap_util.c | 13 ++++++++++++- fs/xfs/xfs_trace.h | 1 + 2 files changed, 13 insertions(+), 1 deletion(-) diff --git a/fs/xfs/xfs_bmap_util.c b/fs/xfs/xfs_bmap_util.c index 01f6a64..3235b74 100644 --- a/fs/xfs/xfs_bmap_util.c +++ b/fs/xfs/xfs_bmap_util.c @@ -1418,6 +1418,8 @@ xfs_zero_file_space( xfs_off_t end_boundary; int error; + trace_xfs_zero_file_space(ip); + granularity = max_t(uint, 1 << mp->m_sb.sb_blocklog, PAGE_CACHE_SIZE); /* @@ -1432,9 +1434,18 @@ xfs_zero_file_space( ASSERT(end_boundary <= offset + len); if (start_boundary < end_boundary - 1) { - /* punch out the page cache over the conversion range */ + /* + * punch out delayed allocation blocks and the page cache over + * the conversion range + */ + xfs_ilock(ip, XFS_ILOCK_EXCL); + error = xfs_bmap_punch_delalloc_range(ip, + XFS_B_TO_FSB(mp, start_boundary), + XFS_B_TO_FSB(mp, end_boundary - start_boundary)); + xfs_iunlock(ip, XFS_ILOCK_EXCL); truncate_pagecache_range(VFS_I(ip), start_boundary, end_boundary - 1); + /* convert the blocks */ error = xfs_alloc_file_space(ip, start_boundary, end_boundary - start_boundary - 1, diff --git a/fs/xfs/xfs_trace.h b/fs/xfs/xfs_trace.h index a4ae41c..65d8c79 100644 --- a/fs/xfs/xfs_trace.h +++ b/fs/xfs/xfs_trace.h @@ -603,6 +603,7 @@ DEFINE_INODE_EVENT(xfs_readlink); DEFINE_INODE_EVENT(xfs_inactive_symlink); DEFINE_INODE_EVENT(xfs_alloc_file_space); DEFINE_INODE_EVENT(xfs_free_file_space); +DEFINE_INODE_EVENT(xfs_zero_file_space); DEFINE_INODE_EVENT(xfs_collapse_file_space); DEFINE_INODE_EVENT(xfs_readdir); #ifdef CONFIG_XFS_POSIX_ACL -- 1.9.0 From dave@fromorbit.com Thu Apr 10 00:01:19 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 9521F7FA6 for ; Thu, 10 Apr 2014 00:01:19 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 26624AC007 for ; Wed, 9 Apr 2014 22:01:19 -0700 (PDT) X-ASG-Debug-ID: 1397106075-04cb6c77b674430002-NocioJ Received: from ipmail07.adl2.internode.on.net (ipmail07.adl2.internode.on.net [150.101.137.131]) by cuda.sgi.com with ESMTP id EL0hAAPgFYIZqB24 for ; Wed, 09 Apr 2014 22:01:17 -0700 (PDT) X-Barracuda-Envelope-From: dave@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.131 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: Ap4GABklRlN5LEcv/2dsb2JhbABZgwbGQRd0giUBAQUnLzMIGBgZOQMbGYd7zDSOfQyEIgSrIINCKw Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail07.adl2.internode.on.net with ESMTP; 10 Apr 2014 14:31:10 +0930 Received: from disappointment.disaster.area ([192.168.1.110] helo=disappointment) by dastard with esmtp (Exim 4.80) (envelope-from ) id 1WY76e-0004c9-N6 for xfs@oss.sgi.com; Thu, 10 Apr 2014 15:00:56 +1000 Received: from dave by disappointment with local (Exim 4.82) (envelope-from ) id 1WY76e-0002CH-MS for xfs@oss.sgi.com; Thu, 10 Apr 2014 15:00:56 +1000 From: Dave Chinner To: xfs@oss.sgi.com Subject: [PATCH 2/6] xfs: write failure beyond EOF truncates too much data Date: Thu, 10 Apr 2014 15:00:49 +1000 X-ASG-Orig-Subj: [PATCH 2/6] xfs: write failure beyond EOF truncates too much data Message-Id: <1397106053-7489-3-git-send-email-david@fromorbit.com> X-Mailer: git-send-email 1.9.0 In-Reply-To: <1397106053-7489-1-git-send-email-david@fromorbit.com> References: <1397106053-7489-1-git-send-email-david@fromorbit.com> X-Barracuda-Connect: ipmail07.adl2.internode.on.net[150.101.137.131] X-Barracuda-Start-Time: 1397106076 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4746 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- From: Dave Chinner If we fail a write beyond EOF and have to handle it in xfs_vm_write_begin(), we truncate the inode back to the current inode size. This doesn't take into account the fact that we may have already made successful writes to the same page (in the case of block size < page size) and hence we can truncate the page cache away from blocks with valid data in them. If these blocks are delayed allocation blocks, we now have a mismatch between the page cache and the extent tree, and this will trigger - at minimum - a delayed block count mismatch assert when the inode is evicted from the cache. We can also trip over it when block mapping for direct IO - this is the most common symptom seen from fsx and fsstress when run from xfstests. Fix it by only truncating away the exact range we are updating state for in this write_begin call. Signed-off-by: Dave Chinner --- fs/xfs/xfs_aops.c | 13 +++++++++++-- 1 file changed, 11 insertions(+), 2 deletions(-) diff --git a/fs/xfs/xfs_aops.c b/fs/xfs/xfs_aops.c index 282c726..5f29693 100644 --- a/fs/xfs/xfs_aops.c +++ b/fs/xfs/xfs_aops.c @@ -1609,12 +1609,21 @@ xfs_vm_write_begin( status = __block_write_begin(page, pos, len, xfs_get_blocks); if (unlikely(status)) { struct inode *inode = mapping->host; + size_t isize = i_size_read(inode); xfs_vm_write_failed(inode, page, pos, len); unlock_page(page); - if (pos + len > i_size_read(inode)) - truncate_pagecache(inode, i_size_read(inode)); + /* + * If the write is beyond EOF, we only want to kill blocks + * allocated in this write, not blocks that were previously + * written successfully. + */ + if (pos + len > isize) { + ssize_t start = max_t(ssize_t, pos, isize); + + truncate_pagecache_range(inode, start, pos + len); + } page_cache_release(page); page = NULL; -- 1.9.0 From dave@fromorbit.com Thu Apr 10 00:01:20 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id DD1537FC1 for ; Thu, 10 Apr 2014 00:01:19 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id BCE17304043 for ; Wed, 9 Apr 2014 22:01:19 -0700 (PDT) X-ASG-Debug-ID: 1397106070-04cb6c77b574420004-NocioJ Received: from ipmail07.adl2.internode.on.net (ipmail07.adl2.internode.on.net [150.101.137.131]) by cuda.sgi.com with ESMTP id Q2Z52ETXyBRCreiA for ; Wed, 09 Apr 2014 22:01:18 -0700 (PDT) X-Barracuda-Envelope-From: dave@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.131 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: Ap4GABklRlN5LEcv/2dsb2JhbABZgwbGQRd0giUBAQUnLzMIGDE5AxsZh3vMNI4VdIQiBKsgg0IrgS0 Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail07.adl2.internode.on.net with ESMTP; 10 Apr 2014 14:31:10 +0930 Received: from disappointment.disaster.area ([192.168.1.110] helo=disappointment) by dastard with esmtp (Exim 4.80) (envelope-from ) id 1WY76e-0004cC-Ol for xfs@oss.sgi.com; Thu, 10 Apr 2014 15:00:56 +1000 Received: from dave by disappointment with local (Exim 4.82) (envelope-from ) id 1WY76e-0002CW-Nl for xfs@oss.sgi.com; Thu, 10 Apr 2014 15:00:56 +1000 From: Dave Chinner To: xfs@oss.sgi.com Subject: [PATCH 5/6] xfs: don't map ranges that span EOF for direct IO Date: Thu, 10 Apr 2014 15:00:52 +1000 X-ASG-Orig-Subj: [PATCH 5/6] xfs: don't map ranges that span EOF for direct IO Message-Id: <1397106053-7489-6-git-send-email-david@fromorbit.com> X-Mailer: git-send-email 1.9.0 In-Reply-To: <1397106053-7489-1-git-send-email-david@fromorbit.com> References: <1397106053-7489-1-git-send-email-david@fromorbit.com> X-Barracuda-Connect: ipmail07.adl2.internode.on.net[150.101.137.131] X-Barracuda-Start-Time: 1397106077 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4746 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- From: Dave Chinner Al Viro tracked down the problem that has caused generic/263 to fail on XFS since the test was introduced. If is caused by xfs_get_blocks() mapping a single extent that spans EOF without marking it as buffer-new() so that the direct Io code does not zero the tail of the block at the new EOF. This is a long standing bug that has been around for many, many years. Because xfs_get_blocks() starts the map before EOF, it can't set buffer_new(), because that causes he direct Io code to also zero unaligned sectors at the head of the IO. This would overwrite valid data with zeros, and hence we cannot validly return a single extent that spans EOF to direct IO. Fix this by detecting a mapping that spans EOF and truncate it down to EOF. This results in the the direct IO code doing the right thing for unaligned data blocks before EOF, and then returning to get another mapping for the region beyond EOF which XFS treats correctly by setting buffer_new() on it. This makes direct Io behave correctly w.r.t. tail block zeroing beyond EOF, and fsx is happy about that. Again, thanks to Al Viro for finding what I couldn't. Signed-off-by: Dave Chinner --- fs/xfs/xfs_aops.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/fs/xfs/xfs_aops.c b/fs/xfs/xfs_aops.c index e0a7931..2c13967 100644 --- a/fs/xfs/xfs_aops.c +++ b/fs/xfs/xfs_aops.c @@ -1344,6 +1344,14 @@ __xfs_get_blocks( /* * If this is O_DIRECT or the mpage code calling tell them how large * the mapping is, so that we can avoid repeated get_blocks calls. + * + * If the mapping spans EOF, then we have to break the mapping up as the + * mapping for blocks beyond EOF must be marked new so that sub block + * regions can be correctly zeroed. We can't do this for mappings within + * EOF unless the mapping was just allocated or is unwritten, otherwise + * the callers would overwrite existing data with zeros. Hence we have + * to split the mapping into a range up to and including EOF, and a + * second mapping for beyond EOF. */ if (direct || size > (1 << inode->i_blkbits)) { xfs_off_t mapping_size; @@ -1354,6 +1362,12 @@ __xfs_get_blocks( ASSERT(mapping_size > 0); if (mapping_size > size) mapping_size = size; + if (offset < i_size_read(inode) && + offset + mapping_size >= i_size_read(inode)) { + /* limit mapping to block that spans EOF */ + mapping_size = roundup(i_size_read(inode) - offset, + 1 << inode->i_blkbits); + } if (mapping_size > LONG_MAX) mapping_size = LONG_MAX; -- 1.9.0 From dave@fromorbit.com Thu Apr 10 00:01:25 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 77BCD7F9D for ; Thu, 10 Apr 2014 00:01:20 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 0A2AAAC006 for ; Wed, 9 Apr 2014 22:01:16 -0700 (PDT) X-ASG-Debug-ID: 1397106070-04cb6c77b574420002-NocioJ Received: from ipmail07.adl2.internode.on.net (ipmail07.adl2.internode.on.net [150.101.137.131]) by cuda.sgi.com with ESMTP id vFrGsUhAgsFtGTjA for ; Wed, 09 Apr 2014 22:01:15 -0700 (PDT) X-Barracuda-Envelope-From: dave@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.131 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: Ap4GABklRlN5LEcv/2dsb2JhbABZgwbGQRd0giUBAQVWMwgYMTkDGxmHe8wdF48JhCIEo0GHX4NCKw Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail07.adl2.internode.on.net with ESMTP; 10 Apr 2014 14:31:10 +0930 Received: from disappointment.disaster.area ([192.168.1.110] helo=disappointment) by dastard with esmtp (Exim 4.80) (envelope-from ) id 1WY76e-0004cA-NY for xfs@oss.sgi.com; Thu, 10 Apr 2014 15:00:56 +1000 Received: from dave by disappointment with local (Exim 4.82) (envelope-from ) id 1WY76e-0002CM-Ms for xfs@oss.sgi.com; Thu, 10 Apr 2014 15:00:56 +1000 From: Dave Chinner To: xfs@oss.sgi.com Subject: [PATCH 3/6] xfs: xfs_vm_write_end truncates too much on failure Date: Thu, 10 Apr 2014 15:00:50 +1000 X-ASG-Orig-Subj: [PATCH 3/6] xfs: xfs_vm_write_end truncates too much on failure Message-Id: <1397106053-7489-4-git-send-email-david@fromorbit.com> X-Mailer: git-send-email 1.9.0 In-Reply-To: <1397106053-7489-1-git-send-email-david@fromorbit.com> References: <1397106053-7489-1-git-send-email-david@fromorbit.com> X-Barracuda-Connect: ipmail07.adl2.internode.on.net[150.101.137.131] X-Barracuda-Start-Time: 1397106075 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4746 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- From: Dave Chinner Similar to the write_begin problem, xfs-vm_write_end will truncate back to the old EOF, potentially removing page cache from over the top of delalloc blocks with valid data in them. Fix this by truncating back to just the start of the failed write. Signed-off-by: Dave Chinner --- fs/xfs/xfs_aops.c | 14 ++++++++++---- 1 file changed, 10 insertions(+), 4 deletions(-) diff --git a/fs/xfs/xfs_aops.c b/fs/xfs/xfs_aops.c index 5f29693..e0a7931 100644 --- a/fs/xfs/xfs_aops.c +++ b/fs/xfs/xfs_aops.c @@ -1634,9 +1634,12 @@ xfs_vm_write_begin( } /* - * On failure, we only need to kill delalloc blocks beyond EOF because they - * will never be written. For blocks within EOF, generic_write_end() zeros them - * so they are safe to leave alone and be written with all the other valid data. + * On failure, we only need to kill delalloc blocks beyond EOF in the range of + * this specific write because they will never be written. Previous writes + * beyond EOF where block allocation succeeded do not need to be trashed, so + * only new blocks from this write should be trashed. For blocks within + * EOF, generic_write_end() zeros them so they are safe to leave alone and be + * written with all the other valid data. */ STATIC int xfs_vm_write_end( @@ -1659,8 +1662,11 @@ xfs_vm_write_end( loff_t to = pos + len; if (to > isize) { - truncate_pagecache(inode, isize); + /* only kill blocks in this write beyond EOF */ + if (pos > isize) + isize = pos; xfs_vm_kill_delalloc_range(inode, isize, to); + truncate_pagecache_range(inode, isize, to); } } return ret; -- 1.9.0 From alexander.tsvetkov@oracle.com Thu Apr 10 04:26:51 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=HTML_MESSAGE autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id A95CB29DF8 for ; Thu, 10 Apr 2014 04:26:51 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 3BA23AC001 for ; Thu, 10 Apr 2014 02:26:47 -0700 (PDT) X-ASG-Debug-ID: 1397122005-04cbb00dc6872e0001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id PPruGBCN1ljYdaqm (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Thu, 10 Apr 2014 02:26:45 -0700 (PDT) X-Barracuda-Envelope-From: alexander.tsvetkov@oracle.com X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from ucsinet21.oracle.com (ucsinet21.oracle.com [156.151.31.93]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id s3A9Qi8Y018199 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Thu, 10 Apr 2014 09:26:45 GMT Received: from aserz7021.oracle.com (aserz7021.oracle.com [141.146.126.230]) by ucsinet21.oracle.com (8.14.4+Sun/8.14.4) with ESMTP id s3A9QhJb027741 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Thu, 10 Apr 2014 09:26:44 GMT Received: from abhmp0005.oracle.com (abhmp0005.oracle.com [141.146.116.11]) by aserz7021.oracle.com (8.14.4+Sun/8.14.4) with ESMTP id s3A9QhC5024527 for ; Thu, 10 Apr 2014 09:26:43 GMT Received: from [10.162.81.48] (/10.162.81.48) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 10 Apr 2014 02:26:43 -0700 Message-ID: <53467259.1080604@oracle.com> Date: Thu, 10 Apr 2014 14:28:41 +0400 From: alexander.tsvetkov@oracle.com Organization: Oracle Corporation User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.4.0 MIME-Version: 1.0 To: xfs@oss.sgi.com Subject: generic/204: correct log size for XFS Content-Type: multipart/alternative; boundary="------------010405090604020909000207" X-ASG-Orig-Subj: generic/204: correct log size for XFS X-Source-IP: ucsinet21.oracle.com [156.151.31.93] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1397122005 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.60 X-Barracuda-Spam-Status: No, SCORE=0.60 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=HTML_MESSAGE, MARKETING_SUBJECT, NO_REAL_NAME X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4751 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 NO_REAL_NAME From: does not include a real name 0.60 MARKETING_SUBJECT Subject contains popular marketing words 0.00 HTML_MESSAGE BODY: HTML included in message This is a multi-part message in MIME format. --------------010405090604020909000207 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit generic/204 fails on device with Advanced Format of 4096 bytes per physical sector and when partition starts at the 4K boundary/./In this case filesystem sector/block size will be of 4096 bytes size and _scratch_mkfs_sized fails because mkfs reports that 5Mb log size is not enough to create a filesystem, for example attempt to make filesystem on such partition: mkfs.xfs -f -bsize=4096 -l size=5m -d size=109051904 /dev/sdb2" results to: "log size 1280 blocks too small, minimum size is 1605 blocks" and generic/204fails with ENOSPC before it has finished creating the necessary files: "QA output created by 204 ./tests/generic/204: line 86: echo: write error: No space left on device ..." Log size of 7Mbis enough to make filesytem and pass this test. diff --git a/tests/generic/204 b/tests/generic/204 index 13a762a..4ebab26 100755 --- a/tests/generic/204 +++ b/tests/generic/204 @@ -53,9 +53,9 @@ _scratch_mkfs 2> /dev/null | _filter_mkfs 2> $tmp.mkfs > /dev/null # For xfs, we need to handle the different default log sizes that different # versions of mkfs create. All should be valid with a 5MB log, so use that. -[ $FSTYP = "xfs" ] && MKFS_OPTIONS="$MKFS_OPTIONS -l size=5m" +[ $FSTYP = "xfs" ] && MKFS_OPTIONS="$MKFS_OPTIONS -l size=7m" -SIZE=`expr 104 \* 1024 \* 1024` +SIZE=`expr 106 \* 1024 \* 1024` _scratch_mkfs_sized $SIZE $dbsize 2> /dev/null \ | _filter_mkfs 2> $tmp.mkfs > /dev/null _scratch_mount --------------010405090604020909000207 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit generic/204 fails on device with Advanced Format of 4096 bytes per
physical sector and when partition starts at the 4K boundary.In this case
filesystem sector/block size will be of 4096 bytes size and _scratch_mkfs_sized
fails because mkfs reports that 5Mb log size is not enough to create a filesystem,
for example attempt to make filesystem on such partition: 

mkfs.xfs -f -bsize=4096 -l size=5m -d size=109051904 /dev/sdb2"

results to:

"log size 1280 blocks too small, minimum size is 1605 blocks"

and generic/204 fails with ENOSPC before it has finished creating the necessary files:

"QA output created by 204
./tests/generic/204: line 86: echo: write error: No space left on device
..."

Log size of 7Mb is enough to make filesytem and pass this test.

diff --git a/tests/generic/204 b/tests/generic/204
index 13a762a..4ebab26 100755
--- a/tests/generic/204
+++ b/tests/generic/204
@@ -53,9 +53,9 @@ _scratch_mkfs 2> /dev/null | _filter_mkfs 2> $tmp.mkfs > /dev/null

 # For xfs, we need to handle the different default log sizes that different
 # versions of mkfs create. All should be valid with a 5MB log, so use that.
-[ $FSTYP = "xfs" ] && MKFS_OPTIONS="$MKFS_OPTIONS -l size=5m"
+[ $FSTYP = "xfs" ] && MKFS_OPTIONS="$MKFS_OPTIONS -l size=7m"

-SIZE=`expr 104 \* 1024 \* 1024`
+SIZE=`expr 106 \* 1024 \* 1024`
 _scratch_mkfs_sized $SIZE $dbsize 2> /dev/null \
                | _filter_mkfs 2> $tmp.mkfs > /dev/null
 _scratch_mount
 --------------010405090604020909000207-- From lczerner@redhat.com Thu Apr 10 04:55:46 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id AB18A7F87 for ; Thu, 10 Apr 2014 04:55:46 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id 8F0C48F8052 for ; Thu, 10 Apr 2014 02:55:43 -0700 (PDT) X-ASG-Debug-ID: 1397123742-04bdf07dcc87540001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id ByMsY2J06ZpDFrJS for ; Thu, 10 Apr 2014 02:55:42 -0700 (PDT) X-Barracuda-Envelope-From: lczerner@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx12.intmail.prod.int.phx2.redhat.com (int-mx12.intmail.prod.int.phx2.redhat.com [10.5.11.25]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3A9tgdb011928 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Thu, 10 Apr 2014 05:55:42 -0400 Received: from localhost.localdomain.com (dhcp-1-245.brq.redhat.com [10.34.1.245]) by int-mx12.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s3A9te3H021449; Thu, 10 Apr 2014 05:55:41 -0400 From: Lukas Czerner To: xfs@oss.sgi.com Cc: Lukas Czerner Subject: [PATCH] xfstests: fix specifying configuration value with equality sign Date: Thu, 10 Apr 2014 11:55:37 +0200 X-ASG-Orig-Subj: [PATCH] xfstests: fix specifying configuration value with equality sign Message-Id: <1397123737-3478-1-git-send-email-lczerner@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.25 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1397123742 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 Currently there is a problem with parse_config_section() when the configuration value contains equality sign like this for example: MOUNT_OPTIONS="-o data=journal" the result will be export MOUNT_OPTIONS="-o data="journal" which is not going to work. The reason is that the expression used to parse the configuration options uses greedy matching '.*'. Fix this by using non greedy expression to match the first equality sign '[^=]'. Signed-off-by: Lukas Czerner --- common/config | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/common/config b/common/config index 00249e6..49f34cf 100644 --- a/common/config +++ b/common/config @@ -349,7 +349,7 @@ parse_config_section() { -e 's/#.*$//' \ -e 's/[[:space:]]*$//' \ -e 's/^[[:space:]]*//' \ - -e "s/^\(.*\)=\"\?'\?\([^\"']*\)\"\?'\?$/export \1=\"\2\"/" \ + -e "s/^\([^=]*\)=\"\?'\?\([^\"']*\)\"\?'\?$/export \1=\"\2\"/" \ < $HOST_OPTIONS \ | sed -n -e "/^\[$SECTION\]/,/^\s*\[/{/^[^#].*\=.*/p;}"` } -- 1.8.3.1 From BATV+69a9cef294f7b3336073+3882+infradead.org+hch@bombadil.srs.infradead.org Thu Apr 10 05:24:26 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id E269E7F9A for ; Thu, 10 Apr 2014 05:24:26 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id B9D49304043 for ; Thu, 10 Apr 2014 03:24:23 -0700 (PDT) X-ASG-Debug-ID: 1397125461-04bdf07dcc892f0001-NocioJ Received: from bombadil.infradead.org ([198.137.202.9]) by cuda.sgi.com with ESMTP id wonmCe7pYtNkd9Bv (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Thu, 10 Apr 2014 03:24:21 -0700 (PDT) X-Barracuda-Envelope-From: BATV+69a9cef294f7b3336073+3882+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.80.1 #2 (Red Hat Linux)) id 1WYC9d-0005qC-JN; Thu, 10 Apr 2014 10:24:21 +0000 Date: Thu, 10 Apr 2014 03:24:21 -0700 From: Christoph Hellwig To: Brian Foster Cc: xfs@oss.sgi.com Subject: Re: [PATCH v2 1/2] xfs: fix tmpfile/selinux deadlock and initialize security/acl Message-ID: <20140410102421.GA17641@infradead.org> X-ASG-Orig-Subj: Re: [PATCH v2 1/2] xfs: fix tmpfile/selinux deadlock and initialize security/acl References: <1397071311-28371-1-git-send-email-bfoster@redhat.com> <1397071311-28371-2-git-send-email-bfoster@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1397071311-28371-2-git-send-email-bfoster@redhat.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html X-Barracuda-Connect: UNKNOWN[198.137.202.9] X-Barracuda-Start-Time: 1397125461 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.10 X-Barracuda-Spam-Status: No, SCORE=0.10 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=RDNS_NONE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4752 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.10 RDNS_NONE Delivered to trusted network by a host with no rDNS On Wed, Apr 09, 2014 at 03:21:50PM -0400, Brian Foster wrote: > xfs_vn_tmpfile() also fails to initialize security or default acls on > the newly created inode. Which it doesn't have to, as it is never available in the filesystem namespace. > The d_tmpfile() call is removed from xfs_create_tmpfile() and pulled up > into the new handler to address the deadlock. E.g., xfs_create_tmpfile() > has committed the create transaction and unlocked the inode prior to > mapping the inode to the dentry. This part of the patch looks sane, although the window where the XFS inode and VFS inode i_nlink are out of sync worries me a little. I don't think the other refactoring belongs into the same patch. If we decide that we want it please avoid the useless ACL inheritance for tmpfiles. From BATV+69a9cef294f7b3336073+3882+infradead.org+hch@bombadil.srs.infradead.org Thu Apr 10 05:29:03 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 9705A7F9A for ; Thu, 10 Apr 2014 05:29:03 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 872EB304043 for ; Thu, 10 Apr 2014 03:29:03 -0700 (PDT) X-ASG-Debug-ID: 1397125741-04cb6c77b485050001-NocioJ Received: from bombadil.infradead.org ([198.137.202.9]) by cuda.sgi.com with ESMTP id a9KLwX6FAEM0Bebz (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Thu, 10 Apr 2014 03:29:02 -0700 (PDT) X-Barracuda-Envelope-From: BATV+69a9cef294f7b3336073+3882+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.80.1 #2 (Red Hat Linux)) id 1WYCE9-0006uU-I1; Thu, 10 Apr 2014 10:29:01 +0000 Date: Thu, 10 Apr 2014 03:29:01 -0700 From: Christoph Hellwig To: Brian Foster Cc: xfs@oss.sgi.com Subject: Re: [PATCH v2 2/2] xfs: fold xfs_create_tmpfile() into xfs_create() Message-ID: <20140410102901.GB17641@infradead.org> X-ASG-Orig-Subj: Re: [PATCH v2 2/2] xfs: fold xfs_create_tmpfile() into xfs_create() References: <1397071311-28371-1-git-send-email-bfoster@redhat.com> <1397071311-28371-3-git-send-email-bfoster@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1397071311-28371-3-git-send-email-bfoster@redhat.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html X-Barracuda-Connect: UNKNOWN[198.137.202.9] X-Barracuda-Start-Time: 1397125742 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.10 X-Barracuda-Spam-Status: No, SCORE=0.10 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=RDNS_NONE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4752 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.10 RDNS_NONE Delivered to trusted network by a host with no rDNS > - struct xfs_trans_res tres; > + struct xfs_trans_res *tres; > uint resblks; > > trace_xfs_create(dp, name); > @@ -1181,14 +1181,21 @@ xfs_create( > if (is_dir) { > rdev = 0; > resblks = XFS_MKDIR_SPACE_RES(mp, name->len); > - tres.tr_logres = M_RES(mp)->tr_mkdir.tr_logres; > - tres.tr_logcount = XFS_MKDIR_LOG_COUNT; > + tres = &M_RES(mp)->tr_mkdir; The (nice) reservation cleanup should be a patch of it's own. > + } else { > + /* > + * If we don't have a name, we're in the ->tmpfile() path. We > + * have a unique transaction here since we modify the unlinked > + * list rather than create a directory entry. > + */ How is that transaction more "uniqueue" than the others? Seems like this comment generally doesn't add a whole lot of value. > + if (name) { > + xfs_ilock(dp, XFS_ILOCK_EXCL | XFS_ILOCK_PARENT); > + unlock_dp_on_error = true; > + > + error = xfs_dir_canenter(tp, dp, name, resblks); > + if (error) > + goto out_trans_cancel; > + } So we get another special case in this function. Can't say I like that too much, on the other hand I don't really like the duplicate code either. So I'm not excited about this, but also not strongly against it. From BATV+69a9cef294f7b3336073+3882+infradead.org+hch@bombadil.srs.infradead.org Thu Apr 10 05:30:40 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id D92D67F9A for ; Thu, 10 Apr 2014 05:30:40 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 70D5AAC006 for ; Thu, 10 Apr 2014 03:30:37 -0700 (PDT) X-ASG-Debug-ID: 1397125835-04cb6c77b585190001-NocioJ Received: from bombadil.infradead.org ([198.137.202.9]) by cuda.sgi.com with ESMTP id NanrGitAerjDBfvE (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Thu, 10 Apr 2014 03:30:35 -0700 (PDT) X-Barracuda-Envelope-From: BATV+69a9cef294f7b3336073+3882+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.80.1 #2 (Red Hat Linux)) id 1WYCFe-0007z0-Vx; Thu, 10 Apr 2014 10:30:34 +0000 Date: Thu, 10 Apr 2014 03:30:34 -0700 From: Christoph Hellwig To: Eric Sandeen Cc: xfs-oss Subject: Re: [PATCH] xfs: remove unused calculation in xfs_dir2_sf_addname() Message-ID: <20140410103034.GC17641@infradead.org> X-ASG-Orig-Subj: Re: [PATCH] xfs: remove unused calculation in xfs_dir2_sf_addname() References: <5345C47B.40308@sandeen.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <5345C47B.40308@sandeen.net> User-Agent: Mutt/1.5.21 (2010-09-15) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html X-Barracuda-Connect: UNKNOWN[198.137.202.9] X-Barracuda-Start-Time: 1397125835 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-Spam-Score: 0.10 X-Barracuda-Spam-Status: No, SCORE=0.10 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=RDNS_NONE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4752 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.10 RDNS_NONE Delivered to trusted network by a host with no rDNS Looks good, Reviewed-by: Christoph Hellwig From BATV+69a9cef294f7b3336073+3882+infradead.org+hch@bombadil.srs.infradead.org Thu Apr 10 05:32:20 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id F128F7F9A for ; Thu, 10 Apr 2014 05:32:19 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 866C6AC001 for ; Thu, 10 Apr 2014 03:32:19 -0700 (PDT) X-ASG-Debug-ID: 1397125938-04cb6c77b485320001-NocioJ Received: from bombadil.infradead.org ([198.137.202.9]) by cuda.sgi.com with ESMTP id I4UzvEe5uYyXxCQ6 (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Thu, 10 Apr 2014 03:32:18 -0700 (PDT) X-Barracuda-Envelope-From: BATV+69a9cef294f7b3336073+3882+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.80.1 #2 (Red Hat Linux)) id 1WYCHJ-0007zp-OF; Thu, 10 Apr 2014 10:32:17 +0000 Date: Thu, 10 Apr 2014 03:32:17 -0700 From: Christoph Hellwig To: Dave Chinner Cc: xfs@oss.sgi.com Subject: Re: [PATCH 1/6] xfs: kill buffers over failed write ranges properly Message-ID: <20140410103217.GD17641@infradead.org> X-ASG-Orig-Subj: Re: [PATCH 1/6] xfs: kill buffers over failed write ranges properly References: <1397106053-7489-1-git-send-email-david@fromorbit.com> <1397106053-7489-2-git-send-email-david@fromorbit.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1397106053-7489-2-git-send-email-david@fromorbit.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html X-Barracuda-Connect: UNKNOWN[198.137.202.9] X-Barracuda-Start-Time: 1397125938 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-Spam-Score: 0.10 X-Barracuda-Spam-Status: No, SCORE=0.10 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=RDNS_NONE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4752 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.10 RDNS_NONE Delivered to trusted network by a host with no rDNS Looks good, Reviewed-by: Christoph Hellwig From BATV+69a9cef294f7b3336073+3882+infradead.org+hch@bombadil.srs.infradead.org Thu Apr 10 05:35:23 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id BCD067FB4 for ; Thu, 10 Apr 2014 05:35:23 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 4C08AAC002 for ; Thu, 10 Apr 2014 03:35:23 -0700 (PDT) X-ASG-Debug-ID: 1397126121-04cb6c77b6855a0001-NocioJ Received: from bombadil.infradead.org ([198.137.202.9]) by cuda.sgi.com with ESMTP id RTFwUhAzZHAKAFJU (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Thu, 10 Apr 2014 03:35:21 -0700 (PDT) X-Barracuda-Envelope-From: BATV+69a9cef294f7b3336073+3882+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.80.1 #2 (Red Hat Linux)) id 1WYCKH-0000da-BC; Thu, 10 Apr 2014 10:35:21 +0000 Date: Thu, 10 Apr 2014 03:35:21 -0700 From: Christoph Hellwig To: Dave Chinner Cc: xfs@oss.sgi.com Subject: Re: [PATCH 2/6] xfs: write failure beyond EOF truncates too much data Message-ID: <20140410103521.GE17641@infradead.org> X-ASG-Orig-Subj: Re: [PATCH 2/6] xfs: write failure beyond EOF truncates too much data References: <1397106053-7489-1-git-send-email-david@fromorbit.com> <1397106053-7489-3-git-send-email-david@fromorbit.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1397106053-7489-3-git-send-email-david@fromorbit.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html X-Barracuda-Connect: UNKNOWN[198.137.202.9] X-Barracuda-Start-Time: 1397126121 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-Spam-Score: 0.10 X-Barracuda-Spam-Status: No, SCORE=0.10 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=RDNS_NONE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4752 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.10 RDNS_NONE Delivered to trusted network by a host with no rDNS Looks good, Reviewed-by: Christoph Hellwig From BATV+69a9cef294f7b3336073+3882+infradead.org+hch@bombadil.srs.infradead.org Thu Apr 10 05:35:56 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id C4D2F7FB4 for ; Thu, 10 Apr 2014 05:35:56 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id A8424304043 for ; Thu, 10 Apr 2014 03:35:56 -0700 (PDT) X-ASG-Debug-ID: 1397126155-04cbb00dc58aee0001-NocioJ Received: from bombadil.infradead.org ([198.137.202.9]) by cuda.sgi.com with ESMTP id YbZfsXr9mUFORn6V (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Thu, 10 Apr 2014 03:35:55 -0700 (PDT) X-Barracuda-Envelope-From: BATV+69a9cef294f7b3336073+3882+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.80.1 #2 (Red Hat Linux)) id 1WYCKp-0000eG-9K; Thu, 10 Apr 2014 10:35:55 +0000 Date: Thu, 10 Apr 2014 03:35:55 -0700 From: Christoph Hellwig To: Dave Chinner Cc: xfs@oss.sgi.com Subject: Re: [PATCH 3/6] xfs: xfs_vm_write_end truncates too much on failure Message-ID: <20140410103555.GF17641@infradead.org> X-ASG-Orig-Subj: Re: [PATCH 3/6] xfs: xfs_vm_write_end truncates too much on failure References: <1397106053-7489-1-git-send-email-david@fromorbit.com> <1397106053-7489-4-git-send-email-david@fromorbit.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1397106053-7489-4-git-send-email-david@fromorbit.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html X-Barracuda-Connect: UNKNOWN[198.137.202.9] X-Barracuda-Start-Time: 1397126155 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.10 X-Barracuda-Spam-Status: No, SCORE=0.10 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=RDNS_NONE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4752 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.10 RDNS_NONE Delivered to trusted network by a host with no rDNS On Thu, Apr 10, 2014 at 03:00:50PM +1000, Dave Chinner wrote: > From: Dave Chinner > > Similar to the write_begin problem, xfs-vm_write_end will truncate > back to the old EOF, potentially removing page cache from over the > top of delalloc blocks with valid data in them. Fix this by > truncating back to just the start of the failed write. > > Signed-off-by: Dave Chinner Looks good, Reviewed-by: Christoph Hellwig Any reason you used max_t in the previous one, and opencode it here? From BATV+69a9cef294f7b3336073+3882+infradead.org+hch@bombadil.srs.infradead.org Thu Apr 10 05:40:05 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id C41127FB4 for ; Thu, 10 Apr 2014 05:40:05 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id B7A6D8F8052 for ; Thu, 10 Apr 2014 03:40:02 -0700 (PDT) X-ASG-Debug-ID: 1397126401-04cb6c77b485a20001-NocioJ Received: from bombadil.infradead.org ([198.137.202.9]) by cuda.sgi.com with ESMTP id AuBHuHrBwVpyI2it (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Thu, 10 Apr 2014 03:40:01 -0700 (PDT) X-Barracuda-Envelope-From: BATV+69a9cef294f7b3336073+3882+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.80.1 #2 (Red Hat Linux)) id 1WYCOn-0000z3-56; Thu, 10 Apr 2014 10:40:01 +0000 Date: Thu, 10 Apr 2014 03:40:01 -0700 From: Christoph Hellwig To: Dave Chinner Cc: xfs@oss.sgi.com Subject: Re: [PATCH 4/6] xfs: zeroing space needs to punch delalloc blocks Message-ID: <20140410104001.GG17641@infradead.org> X-ASG-Orig-Subj: Re: [PATCH 4/6] xfs: zeroing space needs to punch delalloc blocks References: <1397106053-7489-1-git-send-email-david@fromorbit.com> <1397106053-7489-5-git-send-email-david@fromorbit.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1397106053-7489-5-git-send-email-david@fromorbit.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html X-Barracuda-Connect: UNKNOWN[198.137.202.9] X-Barracuda-Start-Time: 1397126401 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.10 X-Barracuda-Spam-Status: No, SCORE=0.10 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=RDNS_NONE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4752 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.10 RDNS_NONE Delivered to trusted network by a host with no rDNS On Thu, Apr 10, 2014 at 03:00:51PM +1000, Dave Chinner wrote: > From: Dave Chinner > > When we are zeroing space andit is covered by a delalloc range, we > need to punch the delalloc range out before we truncate the page > cache. Failing to do so leaves and inconsistency between the page > cache and the extent tree, which we later trip over when doing > direct IO over the same range. Looks good. Which test found this? > @@ -1432,9 +1434,18 @@ xfs_zero_file_space( > ASSERT(end_boundary <= offset + len); > > if (start_boundary < end_boundary - 1) { > - /* punch out the page cache over the conversion range */ > + /* > + * punch out delayed allocation blocks and the page cache over > + * the conversion range > + */ > + xfs_ilock(ip, XFS_ILOCK_EXCL); > + error = xfs_bmap_punch_delalloc_range(ip, > + XFS_B_TO_FSB(mp, start_boundary), Shouldn't this be XFS_B_TO_FSBT? From BATV+69a9cef294f7b3336073+3882+infradead.org+hch@bombadil.srs.infradead.org Thu Apr 10 05:40:42 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 072EE7FB4 for ; Thu, 10 Apr 2014 05:40:42 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id DD7118F8052 for ; Thu, 10 Apr 2014 03:40:41 -0700 (PDT) X-ASG-Debug-ID: 1397126441-04cb6c77b585ab0001-NocioJ Received: from bombadil.infradead.org ([198.137.202.9]) by cuda.sgi.com with ESMTP id DP4KflhO2h6ipDGg (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Thu, 10 Apr 2014 03:40:41 -0700 (PDT) X-Barracuda-Envelope-From: BATV+69a9cef294f7b3336073+3882+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.80.1 #2 (Red Hat Linux)) id 1WYCPQ-00020w-QT; Thu, 10 Apr 2014 10:40:40 +0000 Date: Thu, 10 Apr 2014 03:40:40 -0700 From: Christoph Hellwig To: Dave Chinner Cc: xfs@oss.sgi.com Subject: Re: [PATCH 5/6] xfs: don't map ranges that span EOF for direct IO Message-ID: <20140410104040.GH17641@infradead.org> X-ASG-Orig-Subj: Re: [PATCH 5/6] xfs: don't map ranges that span EOF for direct IO References: <1397106053-7489-1-git-send-email-david@fromorbit.com> <1397106053-7489-6-git-send-email-david@fromorbit.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1397106053-7489-6-git-send-email-david@fromorbit.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html X-Barracuda-Connect: UNKNOWN[198.137.202.9] X-Barracuda-Start-Time: 1397126441 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-Spam-Score: 0.10 X-Barracuda-Spam-Status: No, SCORE=0.10 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=RDNS_NONE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4752 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.10 RDNS_NONE Delivered to trusted network by a host with no rDNS Looks good, Reviewed-by: Christoph Hellwig From BATV+69a9cef294f7b3336073+3882+infradead.org+hch@bombadil.srs.infradead.org Thu Apr 10 05:44:19 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id EA9067FB4 for ; Thu, 10 Apr 2014 05:44:19 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id DBB5C304039 for ; Thu, 10 Apr 2014 03:44:19 -0700 (PDT) X-ASG-Debug-ID: 1397126658-04cb6c77b585d90001-NocioJ Received: from bombadil.infradead.org ([198.137.202.9]) by cuda.sgi.com with ESMTP id FOKQPgylcO13zeKp (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Thu, 10 Apr 2014 03:44:19 -0700 (PDT) X-Barracuda-Envelope-From: BATV+69a9cef294f7b3336073+3882+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.80.1 #2 (Red Hat Linux)) id 1WYCSw-000261-E4; Thu, 10 Apr 2014 10:44:18 +0000 Date: Thu, 10 Apr 2014 03:44:18 -0700 From: Christoph Hellwig To: Dave Chinner Cc: xfs@oss.sgi.com Subject: Re: [PATCH 6/6] xfs: collapse range is delalloc challenged. Message-ID: <20140410104418.GI17641@infradead.org> X-ASG-Orig-Subj: Re: [PATCH 6/6] xfs: collapse range is delalloc challenged. References: <1397106053-7489-1-git-send-email-david@fromorbit.com> <1397106053-7489-7-git-send-email-david@fromorbit.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1397106053-7489-7-git-send-email-david@fromorbit.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html X-Barracuda-Connect: UNKNOWN[198.137.202.9] X-Barracuda-Start-Time: 1397126658 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.10 X-Barracuda-Spam-Status: No, SCORE=0.10 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=RDNS_NONE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4752 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.10 RDNS_NONE Delivered to trusted network by a host with no rDNS > - *current_ext < XFS_IFORK_NEXTENTS(ip, whichfork)) { > + /* > + * There may be delalloc extents in the data fork before the range we > + * are collapsing out, so we cannot > + * use the count of real extents here. Instead we have to calculate it > + * from the incore fork. > + */ > + total_extents = ifp->if_bytes / sizeof(xfs_bmbt_rec_t); Between the amount of times we have this calculation opencoded, and the confusing nature of XFS_IFORK_NEXTENTS it might be time to introduce a macro to get the proper number of incore extents. But no need to do this now, so: Reviewed-by: Christoph Hellwig From bfoster@redhat.com Thu Apr 10 07:20:34 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 491FD7FB4 for ; Thu, 10 Apr 2014 07:20:34 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 32022304039 for ; Thu, 10 Apr 2014 05:20:30 -0700 (PDT) X-ASG-Debug-ID: 1397132424-04cb6c77b48c3a0001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id cgLr0aSDSuRJ81nA for ; Thu, 10 Apr 2014 05:20:30 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx01.intmail.prod.int.phx2.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3ACJw57029076 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Thu, 10 Apr 2014 08:19:58 -0400 Received: from bfoster.bfoster ([10.18.41.237]) by int-mx01.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id s3ACJvCL003230; Thu, 10 Apr 2014 08:19:58 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id 05BAF1256CC; Thu, 10 Apr 2014 08:19:56 -0400 (EDT) Date: Thu, 10 Apr 2014 08:19:56 -0400 From: Brian Foster To: Christoph Hellwig Cc: xfs@oss.sgi.com Subject: Re: [PATCH v2 2/2] xfs: fold xfs_create_tmpfile() into xfs_create() Message-ID: <20140410121956.GB14124@bfoster.bfoster> X-ASG-Orig-Subj: Re: [PATCH v2 2/2] xfs: fold xfs_create_tmpfile() into xfs_create() References: <1397071311-28371-1-git-send-email-bfoster@redhat.com> <1397071311-28371-3-git-send-email-bfoster@redhat.com> <20140410102901.GB17641@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140410102901.GB17641@infradead.org> User-Agent: Mutt/1.5.21 (2010-09-15) X-Scanned-By: MIMEDefang 2.67 on 10.5.11.11 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1397132424 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Thu, Apr 10, 2014 at 03:29:01AM -0700, Christoph Hellwig wrote: > > - struct xfs_trans_res tres; > > + struct xfs_trans_res *tres; > > uint resblks; > > > > trace_xfs_create(dp, name); > > @@ -1181,14 +1181,21 @@ xfs_create( > > if (is_dir) { > > rdev = 0; > > resblks = XFS_MKDIR_SPACE_RES(mp, name->len); > > - tres.tr_logres = M_RES(mp)->tr_mkdir.tr_logres; > > - tres.tr_logcount = XFS_MKDIR_LOG_COUNT; > > + tres = &M_RES(mp)->tr_mkdir; > > The (nice) reservation cleanup should be a patch of it's own. > Ok. > > + } else { > > + /* > > + * If we don't have a name, we're in the ->tmpfile() path. We > > + * have a unique transaction here since we modify the unlinked > > + * list rather than create a directory entry. > > + */ > > How is that transaction more "uniqueue" than the others? Seems like > this comment generally doesn't add a whole lot of value. > It's just as unique as the others. ;) I wasn't intending to call out this transaction as special in any way. Rather, I was just trying to document why there is a separate transaction depending on the existence of the name. I can drop the comment. > > + if (name) { > > + xfs_ilock(dp, XFS_ILOCK_EXCL | XFS_ILOCK_PARENT); > > + unlock_dp_on_error = true; > > + > > + error = xfs_dir_canenter(tp, dp, name, resblks); > > + if (error) > > + goto out_trans_cancel; > > + } > > So we get another special case in this function. Can't say I like that > too much, on the other hand I don't really like the duplicate code > either. So I'm not excited about this, but also not strongly against it. > Indeed. I debated whether it would be reasonable to make this function slightly longer and more complex on its own. When I realized xfs_create_tmpfile() was 90% duplicate, it seemed worth the tradeoff for a 100+ line function. Brian From david@fromorbit.com Thu Apr 10 07:23:09 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 2962F7F63 for ; Thu, 10 Apr 2014 07:23:09 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id 0B2028F804B for ; Thu, 10 Apr 2014 05:23:05 -0700 (PDT) X-ASG-Debug-ID: 1397132583-04bdf07dcc90e00001-NocioJ Received: from ipmail05.adl6.internode.on.net (ipmail05.adl6.internode.on.net [150.101.137.143]) by cuda.sgi.com with ESMTP id feElkgSRN94tdeOy for ; Thu, 10 Apr 2014 05:23:04 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.143 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: ArhlALeMRlN5LEcvPGdsb2JhbABagwaIWbcEhV2BIhcDAQEBATg1giUBAQEEOhwjEAgDDgcDCSUPBSUDBxoTh3vNJBcWjlYHgySBFASYXZYFKw Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail05.adl6.internode.on.net with ESMTP; 10 Apr 2014 21:53:02 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WYE0R-0005au-M6; Thu, 10 Apr 2014 22:22:59 +1000 Date: Thu, 10 Apr 2014 22:22:59 +1000 From: Dave Chinner To: Christoph Hellwig Cc: xfs@oss.sgi.com Subject: Re: [PATCH 4/6] xfs: zeroing space needs to punch delalloc blocks Message-ID: <20140410122259.GC27519@dastard> X-ASG-Orig-Subj: Re: [PATCH 4/6] xfs: zeroing space needs to punch delalloc blocks References: <1397106053-7489-1-git-send-email-david@fromorbit.com> <1397106053-7489-5-git-send-email-david@fromorbit.com> <20140410104001.GG17641@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140410104001.GG17641@infradead.org> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail05.adl6.internode.on.net[150.101.137.143] X-Barracuda-Start-Time: 1397132583 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4754 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Thu, Apr 10, 2014 at 03:40:01AM -0700, Christoph Hellwig wrote: > On Thu, Apr 10, 2014 at 03:00:51PM +1000, Dave Chinner wrote: > > From: Dave Chinner > > > > When we are zeroing space andit is covered by a delalloc range, we > > need to punch the delalloc range out before we truncate the page > > cache. Failing to do so leaves and inconsistency between the page > > cache and the extent tree, which we later trip over when doing > > direct IO over the same range. > > Looks good. > > Which test found this? The fsstress tests - any of them will do. It showed after I merged Lukas' FALLOC_FL_ZERO_RANGE support patches for fsstress and fsx into xfstests, but it wasn't reliably triggering until I fixed the __xfs_get_blocks DIO bug that Al found... > > @@ -1432,9 +1434,18 @@ xfs_zero_file_space( > > ASSERT(end_boundary <= offset + len); > > > > if (start_boundary < end_boundary - 1) { > > - /* punch out the page cache over the conversion range */ > > + /* > > + * punch out delayed allocation blocks and the page cache over > > + * the conversion range > > + */ > > + xfs_ilock(ip, XFS_ILOCK_EXCL); > > + error = xfs_bmap_punch_delalloc_range(ip, > > + XFS_B_TO_FSB(mp, start_boundary), > > Shouldn't this be XFS_B_TO_FSBT? XFS_B_TO_FSB gives the same result given that we've already rounded start_boundary to block granularity.... Cheers, Dave. -- Dave Chinner david@fromorbit.com From BATV+69a9cef294f7b3336073+3882+infradead.org+hch@bombadil.srs.infradead.org Thu Apr 10 07:29:51 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 18F947F81 for ; Thu, 10 Apr 2014 07:29:51 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id A3ADAAC001 for ; Thu, 10 Apr 2014 05:29:47 -0700 (PDT) X-ASG-Debug-ID: 1397132985-04cb6c77b78cf20001-NocioJ Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) by cuda.sgi.com with ESMTP id hHcTHAWMzyrcoXEg (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Thu, 10 Apr 2014 05:29:45 -0700 (PDT) X-Barracuda-Envelope-From: BATV+69a9cef294f7b3336073+3882+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.80.1 #2 (Red Hat Linux)) id 1WYE6y-0002ol-4V; Thu, 10 Apr 2014 12:29:44 +0000 Date: Thu, 10 Apr 2014 05:29:44 -0700 From: Christoph Hellwig To: Brian Foster Cc: xfs@oss.sgi.com, linux-fsdevel@vger.kernel.org, linux-ext4@vger.kernel.org, linux-man@vger.kernel.org, linux-security-module@vger.kernel.org, Al Viro , Andreas Gruenbacher Subject: Re: [PATCH v2 1/2] xfs: fix tmpfile/selinux deadlock and initialize security/acl Message-ID: <20140410122944.GA6579@infradead.org> X-ASG-Orig-Subj: Re: [PATCH v2 1/2] xfs: fix tmpfile/selinux deadlock and initialize security/acl References: <1397071311-28371-1-git-send-email-bfoster@redhat.com> <1397071311-28371-2-git-send-email-bfoster@redhat.com> <20140410102421.GA17641@infradead.org> <20140410121947.GA14124@bfoster.bfoster> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140410121947.GA14124@bfoster.bfoster> User-Agent: Mutt/1.5.21 (2010-09-15) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html X-Barracuda-Connect: bombadil.infradead.org[198.137.202.9] X-Barracuda-Start-Time: 1397132985 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4754 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Thu, Apr 10, 2014 at 08:19:48AM -0400, Brian Foster wrote: > Are you saying it doesn't have to initialize security or the default > acl, or both? The ACLs for sure. LSM do run-time access decisions, so they will probably rely on the security data being initialized. Given that O_TMPFILE files aren't publicly available I'm not sure there's a point in them doing that, though. LSMs are also affected by the lack of a proper parent I'll discuss for ACLs below. > The intent here was to have the case covered where the inode happens to > be linked back into the namespace since we don't do this work in the > link path. That's an interesting one. O_TMFILE files don't have a real parent to inherit ACLs from, the pathname passed in just needs to point to a directory to find the filesystem to create the tmpfile in. On the other hand it seem like the extN implementations do inherity the ACL in this case. The link into the namespace is irrelavant here as ACL inheritance only happens on initial create, not at link time. I also think we'll absolutely need a test case for ACLs+tmpfile to make sure all filesystems handle it the same way. > The bulk of the refactoring was with the idea that the inode setup for > the tmpfile case is generally equivalent for the traditional create > case. The original version was posted here: > > http://oss.sgi.com/archives/xfs/2014-04/msg00149.html > > ... and it just fixes the deadlock and adds the security initialization. > I suppose I could still break that out into multiple patches, but that > aside, is that behavior preferred? I think just fixing the deadlock and initializing the security is enough for the first pass. If you want to do the refactoring on top send it as a second series on top of the actual fixes. From bfoster@redhat.com Thu Apr 10 07:31:05 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 6C3257F87 for ; Thu, 10 Apr 2014 07:31:05 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 5E551304053 for ; Thu, 10 Apr 2014 05:31:05 -0700 (PDT) X-ASG-Debug-ID: 1397133064-04cb6c77b78d0b0001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id Fn6ib3aBgmt8HN5m for ; Thu, 10 Apr 2014 05:31:04 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx02.intmail.prod.int.phx2.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3ACJoNT027696 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Thu, 10 Apr 2014 08:19:50 -0400 Received: from bfoster.bfoster ([10.18.41.237]) by int-mx02.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id s3ACJnuf024432; Thu, 10 Apr 2014 08:19:49 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id BAB521256CC; Thu, 10 Apr 2014 08:19:48 -0400 (EDT) Date: Thu, 10 Apr 2014 08:19:48 -0400 From: Brian Foster To: Christoph Hellwig Cc: xfs@oss.sgi.com Subject: Re: [PATCH v2 1/2] xfs: fix tmpfile/selinux deadlock and initialize security/acl Message-ID: <20140410121947.GA14124@bfoster.bfoster> X-ASG-Orig-Subj: Re: [PATCH v2 1/2] xfs: fix tmpfile/selinux deadlock and initialize security/acl References: <1397071311-28371-1-git-send-email-bfoster@redhat.com> <1397071311-28371-2-git-send-email-bfoster@redhat.com> <20140410102421.GA17641@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140410102421.GA17641@infradead.org> User-Agent: Mutt/1.5.21 (2010-09-15) X-Scanned-By: MIMEDefang 2.67 on 10.5.11.12 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1397133064 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Thu, Apr 10, 2014 at 03:24:21AM -0700, Christoph Hellwig wrote: > On Wed, Apr 09, 2014 at 03:21:50PM -0400, Brian Foster wrote: > > xfs_vn_tmpfile() also fails to initialize security or default acls on > > the newly created inode. > > Which it doesn't have to, as it is never available in the filesystem > namespace. > Are you saying it doesn't have to initialize security or the default acl, or both? The intent here was to have the case covered where the inode happens to be linked back into the namespace since we don't do this work in the link path. > > The d_tmpfile() call is removed from xfs_create_tmpfile() and pulled up > > into the new handler to address the deadlock. E.g., xfs_create_tmpfile() > > has committed the create transaction and unlocked the inode prior to > > mapping the inode to the dentry. > > This part of the patch looks sane, although the window where the XFS > inode and VFS inode i_nlink are out of sync worries me a little. > > I don't think the other refactoring belongs into the same patch. > > If we decide that we want it please avoid the useless ACL inheritance > for tmpfiles. The bulk of the refactoring was with the idea that the inode setup for the tmpfile case is generally equivalent for the traditional create case. The original version was posted here: http://oss.sgi.com/archives/xfs/2014-04/msg00149.html ... and it just fixes the deadlock and adds the security initialization. I suppose I could still break that out into multiple patches, but that aside, is that behavior preferred? Brian From BATV+69a9cef294f7b3336073+3882+infradead.org+hch@bombadil.srs.infradead.org Thu Apr 10 07:33:34 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id B1DBE7F87 for ; Thu, 10 Apr 2014 07:33:34 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id 73F6AAC001 for ; Thu, 10 Apr 2014 05:33:34 -0700 (PDT) X-ASG-Debug-ID: 1397133213-04bdf07dca91ab0001-NocioJ Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) by cuda.sgi.com with ESMTP id yhYpO5eQD0VDjvAD (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Thu, 10 Apr 2014 05:33:33 -0700 (PDT) X-Barracuda-Envelope-From: BATV+69a9cef294f7b3336073+3882+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.80.1 #2 (Red Hat Linux)) id 1WYEAe-00044u-Ui; Thu, 10 Apr 2014 12:33:32 +0000 Date: Thu, 10 Apr 2014 05:33:32 -0700 From: Christoph Hellwig To: Dave Chinner Cc: Christoph Hellwig , xfs@oss.sgi.com Subject: Re: [PATCH 4/6] xfs: zeroing space needs to punch delalloc blocks Message-ID: <20140410123332.GA15577@infradead.org> X-ASG-Orig-Subj: Re: [PATCH 4/6] xfs: zeroing space needs to punch delalloc blocks References: <1397106053-7489-1-git-send-email-david@fromorbit.com> <1397106053-7489-5-git-send-email-david@fromorbit.com> <20140410104001.GG17641@infradead.org> <20140410122259.GC27519@dastard> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140410122259.GC27519@dastard> User-Agent: Mutt/1.5.21 (2010-09-15) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html X-Barracuda-Connect: bombadil.infradead.org[198.137.202.9] X-Barracuda-Start-Time: 1397133213 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4754 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Thu, Apr 10, 2014 at 10:22:59PM +1000, Dave Chinner wrote: > XFS_B_TO_FSB gives the same result given that we've already rounded > start_boundary to block granularity.... It does, but XFS_B_TO_FSBT is one less operation, and it's the better example for a start offset when people start copy & pasting it. From BATV+69a9cef294f7b3336073+3882+infradead.org+hch@bombadil.srs.infradead.org Thu Apr 10 08:23:50 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 9F7F87F8C for ; Thu, 10 Apr 2014 08:23:50 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 8DE208F8039 for ; Thu, 10 Apr 2014 06:23:47 -0700 (PDT) X-ASG-Debug-ID: 1397136226-04cb6c77b7913c0001-NocioJ Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) by cuda.sgi.com with ESMTP id XOuNd0STvTbXtpNL (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Thu, 10 Apr 2014 06:23:46 -0700 (PDT) X-Barracuda-Envelope-From: BATV+69a9cef294f7b3336073+3882+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.80.1 #2 (Red Hat Linux)) id 1WYExG-0007m7-2q; Thu, 10 Apr 2014 13:23:46 +0000 Date: Thu, 10 Apr 2014 06:23:46 -0700 From: Christoph Hellwig To: Brian Foster Cc: xfs@oss.sgi.com Subject: Re: [PATCH] xfs: fix tmpfile/selinux deadlock and initialize security Message-ID: <20140410132346.GA29876@infradead.org> X-ASG-Orig-Subj: Re: [PATCH] xfs: fix tmpfile/selinux deadlock and initialize security References: <1396977915-35768-1-git-send-email-bfoster@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1396977915-35768-1-git-send-email-bfoster@redhat.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html X-Barracuda-Connect: bombadil.infradead.org[198.137.202.9] X-Barracuda-Start-Time: 1397136226 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4755 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- As discussed previously I prefer this version for now: Reviewed-by: Christoph Hellwig From BATV+69a9cef294f7b3336073+3882+infradead.org+hch@bombadil.srs.infradead.org Thu Apr 10 08:24:13 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id DC8367F8C for ; Thu, 10 Apr 2014 08:24:13 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 89ECDAC002 for ; Thu, 10 Apr 2014 06:24:13 -0700 (PDT) X-ASG-Debug-ID: 1397136251-04cbb00dc595950001-NocioJ Received: from bombadil.infradead.org ([198.137.202.9]) by cuda.sgi.com with ESMTP id 4TDqCB3prZKS185S (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Thu, 10 Apr 2014 06:24:12 -0700 (PDT) X-Barracuda-Envelope-From: BATV+69a9cef294f7b3336073+3882+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.80.1 #2 (Red Hat Linux)) id 1WYExf-0007mH-8N; Thu, 10 Apr 2014 13:24:11 +0000 Date: Thu, 10 Apr 2014 06:24:11 -0700 From: Christoph Hellwig To: Wanlong Gao Cc: xfs@oss.sgi.com, yuanhan.liu@linux.intel.com, fengguang.wu@intel.com Subject: Re: [PATCH] xfstests: fix wallclock possibly wrapped problem Message-ID: <20140410132411.GB29876@infradead.org> X-ASG-Orig-Subj: Re: [PATCH] xfstests: fix wallclock possibly wrapped problem References: <1396932738-13638-1-git-send-email-gaowanlong@cn.fujitsu.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1396932738-13638-1-git-send-email-gaowanlong@cn.fujitsu.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html X-Barracuda-Connect: UNKNOWN[198.137.202.9] X-Barracuda-Start-Time: 1397136252 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-Spam-Score: 0.10 X-Barracuda-Spam-Status: No, SCORE=0.10 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=RDNS_NONE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4755 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.10 RDNS_NONE Delivered to trusted network by a host with no rDNS Looks good, Reviewed-by: Christoph Hellwig From tinguely@sgi.com Thu Apr 10 08:29:02 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=RP_MATCHES_RCVD autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 8399E7F8C for ; Thu, 10 Apr 2014 08:29:02 -0500 (CDT) Received: from eagdhcp-232-178.americas.sgi.com (eagdhcp-232-178.americas.sgi.com [128.162.232.178]) by relay2.corp.sgi.com (Postfix) with ESMTP id 3246A304053; Thu, 10 Apr 2014 06:28:58 -0700 (PDT) Message-ID: <53469C9C.8010604@sgi.com> Date: Thu, 10 Apr 2014 08:29:00 -0500 From: Mark Tinguely User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:9.0) Gecko/20120122 Thunderbird/9.0 MIME-Version: 1.0 To: Dave Chinner CC: xfs@oss.sgi.com, bob.mastors@solidfire.com, snitzer@redhat.com Subject: Re: [PATCH] xfs: unmount does not wait for shutdown during unmount References: <1397104955-7247-1-git-send-email-david@fromorbit.com> In-Reply-To: <1397104955-7247-1-git-send-email-david@fromorbit.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit On 04/09/14 23:42, Dave Chinner wrote: > From: Dave Chinner > > And interesting situation can occur if a log IO error occurs during > the unmount of a filesystem. The cases reported have the same > signature - the update of the superblock counters fails due to a log > write IO error: > > XFS (dm-16): xfs_do_force_shutdown(0x2) called from line 1170 of file fs/xfs/xfs_log.c. Return address = 0xffffffffa08a44a1 > XFS (dm-16): Log I/O Error Detected. Shutting down filesystem > XFS (dm-16): Unable to update superblock counters. Freespace may not be correct on next mount. > XFS (dm-16): xfs_log_force: error 5 returned. > XFS (¿-¿¿¿): Please umount the filesystem and rectify the problem(s) > > It can be seen that the last line of output contains a corrupt > device name - this is because the log and xfs_mount structures have > already been freed by the time this message is printed. A kernel > oops closely follows. > > The issue is that the shutdown is occurring in a separate IO > completion thread to the unmount. Once the shutdown processing has > started and all the iclogs are marked with XLOG_STATE_IOERROR, the > log shutdown code wakes anyone waiting on a log force so they can > process the shutdown error. This wakes up the unmount code that > is doing a synchronous transaction to update the superblock > counters. > > The unmount path now sees all the iclogs are marked with > XLOG_STATE_IOERROR and so never waits on them again, knowing that if > it does, there will not be a wakeup trigger for it and we will hang > the unmount if we do. Hence the unmount runs through all the > remaining code and frees all the filesystem structures while the > xlog_iodone() is still processing the shutdown. When the log > shutdown processing completes, xfs_do_force_shutdown() emits the > "Please umount the filesystem and rectify the problem(s)" message, > and xlog_iodone() then aborts all the objects attached to the iclog. > An iclog that has already been freed.... > > The real issue here is that there is no serialisation point between > the log IO and the unmount. We have serialisations points for log > writes, log forces, reservations, etc, but we don't actually have > any code that wakes for log IO to fully complete. We do that for all > other types of object, so why not iclogbufs? > > Well, it turns out that we can easily do this. We've got xfs_buf > handles, and that's what everyone else uses for IO serialisation. > i.e. bp->b_sema. So, lets hold iclogbufs locked over IO, and only > release the lock in xlog_iodone() when we are finished with the > buffer. That way before we tear down the iclog, we can lock and > unlock the buffer to ensure IO completion has finished completely > before we tear it down. > > Signed-off-by: Dave Chinner The wait queue "xc_commit_wait" is used for two purposes, first to start the next ic_log buffer completion and also to wake those waiting for a syncronous event. Shutdown does syncronous cil pushes but it does not wait for the IO to happen. Why not wait for the IO to happen or fail before waking out the sync waiters? If you want to keep the speedier completion of the next cil push add another wait queue. There only a few (typically 8) per filesystem. --Mark. From tinguely@sgi.com Thu Apr 10 08:38:56 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=RP_MATCHES_RCVD autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 1129E7F8E for ; Thu, 10 Apr 2014 08:38:56 -0500 (CDT) Received: from eagdhcp-232-178.americas.sgi.com (eagdhcp-232-178.americas.sgi.com [128.162.232.178]) by relay1.corp.sgi.com (Postfix) with ESMTP id AE7FC8F8039; Thu, 10 Apr 2014 06:38:55 -0700 (PDT) Message-ID: <53469EF0.3030407@sgi.com> Date: Thu, 10 Apr 2014 08:38:56 -0500 From: Mark Tinguely User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:9.0) Gecko/20120122 Thunderbird/9.0 MIME-Version: 1.0 To: Eric Sandeen CC: Eric Sandeen , xfs@oss.sgi.com Subject: Re: [PATCH 15/14] xfs_io: free memory on error path exit from bmap_f() References: <1396999504-13769-1-git-send-email-sandeen@redhat.com> <5345C751.8040803@sandeen.net> In-Reply-To: <5345C751.8040803@sandeen.net> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit On 04/09/14 17:18, Eric Sandeen wrote: > If realloc() fails, the memory it was trying to realloc remains; > free it on the error path. > > Signed-off-by: Eric Sandeen > --- > > diff --git a/io/bmap.c b/io/bmap.c > index a78cbb1..8e5d75e 100644 > --- a/io/bmap.c > +++ b/io/bmap.c > @@ -227,6 +227,7 @@ bmap_f( > fprintf(stderr, > _("%s: cannot realloc %d bytes\n"), > progname, (int)(map_size*sizeof(*map))); > + free(map); > exitcode = 1; > return 0; > } Didn't it get into this block by comparing map to NULL? --Mark. From sandeen@sandeen.net Thu Apr 10 09:15:57 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 79A8F7FA1 for ; Thu, 10 Apr 2014 09:15:57 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id 5A96A304053 for ; Thu, 10 Apr 2014 07:15:57 -0700 (PDT) X-ASG-Debug-ID: 1397139353-04cbb00dc3996e0001-NocioJ Received: from sandeen.net (sandeen.net [63.231.237.45]) by cuda.sgi.com with ESMTP id 0rQyNoRitFPyKLOl for ; Thu, 10 Apr 2014 07:15:53 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@sandeen.net X-Barracuda-Apparent-Source-IP: 63.231.237.45 Received: from liberator.sandeen.net (liberator.sandeen.net [10.0.0.4]) (using TLSv1 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (No client certificate requested) by sandeen.net (Postfix) with ESMTPSA id 0451E60F22FB; Thu, 10 Apr 2014 09:15:52 -0500 (CDT) Message-ID: <5346A797.4030508@sandeen.net> Date: Thu, 10 Apr 2014 09:15:51 -0500 From: Eric Sandeen User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:24.0) Gecko/20100101 Thunderbird/24.4.0 MIME-Version: 1.0 To: Mark Tinguely CC: Eric Sandeen , xfs@oss.sgi.com Subject: Re: [PATCH 15/14] xfs_io: free memory on error path exit from bmap_f() References: <1396999504-13769-1-git-send-email-sandeen@redhat.com> <5345C751.8040803@sandeen.net> <53469EF0.3030407@sgi.com> X-ASG-Orig-Subj: Re: [PATCH 15/14] xfs_io: free memory on error path exit from bmap_f() In-Reply-To: <53469EF0.3030407@sgi.com> X-Enigmail-Version: 1.6 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Barracuda-Connect: sandeen.net[63.231.237.45] X-Barracuda-Start-Time: 1397139353 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 2.60 X-Barracuda-Spam-Status: No, SCORE=2.60 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MV0249, MARKETING_SUBJECT X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4756 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.60 MARKETING_SUBJECT Subject contains popular marketing words 2.00 BSF_SC0_MV0249 Custom rule MV0249 On 4/10/14, 8:38 AM, Mark Tinguely wrote: > On 04/09/14 17:18, Eric Sandeen wrote: >> If realloc() fails, the memory it was trying to realloc remains; >> free it on the error path. >> >> Signed-off-by: Eric Sandeen >> --- >> >> diff --git a/io/bmap.c b/io/bmap.c >> index a78cbb1..8e5d75e 100644 >> --- a/io/bmap.c >> +++ b/io/bmap.c >> @@ -227,6 +227,7 @@ bmap_f( >> fprintf(stderr, >> _("%s: cannot realloc %d bytes\n"), >> progname, (int)(map_size*sizeof(*map))); >> + free(map); >> exitcode = 1; >> return 0; >> } > > > Didn't it get into this block by comparing map to NULL? Uh yes, yes we did. Sorry, was getting a bit slap-happy by then. I guess p = realloc(p) will always lose the memory if it fails, w/o a temporary var. Sorry about that! -Eric > --Mark. > From lczerner@redhat.com Thu Apr 10 09:23:24 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 50F787FA1 for ; Thu, 10 Apr 2014 09:23:24 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id 3BC23304053 for ; Thu, 10 Apr 2014 07:23:24 -0700 (PDT) X-ASG-Debug-ID: 1397139802-04cbb00dc49a000001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id BHR5Sf1Wai5t87p1 for ; Thu, 10 Apr 2014 07:23:23 -0700 (PDT) X-Barracuda-Envelope-From: lczerner@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx13.intmail.prod.int.phx2.redhat.com (int-mx13.intmail.prod.int.phx2.redhat.com [10.5.11.26]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3AENM6x023759 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Thu, 10 Apr 2014 10:23:22 -0400 Received: from localhost.localdomain.com (dhcp-1-245.brq.redhat.com [10.34.1.245]) by int-mx13.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s3AENLgX029187; Thu, 10 Apr 2014 10:23:21 -0400 From: Lukas Czerner To: xfs@oss.sgi.com Cc: Lukas Czerner Subject: [PATCH] xfstests: Fix generic/022 output file Date: Thu, 10 Apr 2014 16:23:17 +0200 X-ASG-Orig-Subj: [PATCH] xfstests: Fix generic/022 output file Message-Id: <1397139797-9650-1-git-send-email-lczerner@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.26 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1397139803 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 In commit 21723cdb I've accidentally changed header in the output file to a wrong number. It should be 022, fix it. Signed-off-by: Lukas Czerner --- tests/generic/022.out | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tests/generic/022.out b/tests/generic/022.out index 96c2d33..fbffa59 100644 --- a/tests/generic/022.out +++ b/tests/generic/022.out @@ -1,4 +1,4 @@ -QA output created by 009 +QA output created by 022 1. into a hole f4f35d60b3cc18aaa6d8d92f0cd3708a 2. into allocated space -- 1.8.3.1 From bfoster@redhat.com Thu Apr 10 11:08:41 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 10FB27F84 for ; Thu, 10 Apr 2014 11:08:41 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id E5B3830405F for ; Thu, 10 Apr 2014 09:08:40 -0700 (PDT) X-ASG-Debug-ID: 1397146119-04bdf07dcca3d20001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id g3S4ckOydINII48i for ; Thu, 10 Apr 2014 09:08:39 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx09.intmail.prod.int.phx2.redhat.com (int-mx09.intmail.prod.int.phx2.redhat.com [10.5.11.22]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3AG8df1008810 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Thu, 10 Apr 2014 12:08:39 -0400 Received: from bfoster.bfoster ([10.18.41.237]) by int-mx09.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s3AG8dOQ022368 for ; Thu, 10 Apr 2014 12:08:39 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id 15B211256D8; Thu, 10 Apr 2014 12:08:38 -0400 (EDT) From: Brian Foster To: xfs@oss.sgi.com Subject: [PATCH v5 09/11] xfs: add finobt support to growfs Date: Thu, 10 Apr 2014 12:08:34 -0400 X-ASG-Orig-Subj: [PATCH v5 09/11] xfs: add finobt support to growfs Message-Id: <1397146116-42546-10-git-send-email-bfoster@redhat.com> In-Reply-To: <1397146116-42546-1-git-send-email-bfoster@redhat.com> References: <1397146116-42546-1-git-send-email-bfoster@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.22 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1397146119 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 Add finobt support to growfs. Initialize the agi root/level fields and the root finobt block. Signed-off-by: Brian Foster Reviewed-by: Dave Chinner --- fs/xfs/xfs_fsops.c | 32 ++++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) diff --git a/fs/xfs/xfs_fsops.c b/fs/xfs/xfs_fsops.c index 02fb943..96e4eb0 100644 --- a/fs/xfs/xfs_fsops.c +++ b/fs/xfs/xfs_fsops.c @@ -316,6 +316,10 @@ xfs_growfs_data_private( agi->agi_dirino = cpu_to_be32(NULLAGINO); if (xfs_sb_version_hascrc(&mp->m_sb)) uuid_copy(&agi->agi_uuid, &mp->m_sb.sb_uuid); + if (xfs_sb_version_hasfinobt(&mp->m_sb)) { + agi->agi_free_root = cpu_to_be32(XFS_FIBT_BLOCK(mp)); + agi->agi_free_level = cpu_to_be32(1); + } for (bucket = 0; bucket < XFS_AGI_UNLINKED_BUCKETS; bucket++) agi->agi_unlinked[bucket] = cpu_to_be32(NULLAGINO); @@ -407,6 +411,34 @@ xfs_growfs_data_private( xfs_buf_relse(bp); if (error) goto error0; + + /* + * FINO btree root block + */ + if (xfs_sb_version_hasfinobt(&mp->m_sb)) { + bp = xfs_growfs_get_hdr_buf(mp, + XFS_AGB_TO_DADDR(mp, agno, XFS_FIBT_BLOCK(mp)), + BTOBB(mp->m_sb.sb_blocksize), 0, + &xfs_inobt_buf_ops); + if (!bp) { + error = ENOMEM; + goto error0; + } + + if (xfs_sb_version_hascrc(&mp->m_sb)) + xfs_btree_init_block(mp, bp, XFS_FIBT_CRC_MAGIC, + 0, 0, agno, + XFS_BTREE_CRC_BLOCKS); + else + xfs_btree_init_block(mp, bp, XFS_FIBT_MAGIC, 0, + 0, agno, 0); + + error = xfs_bwrite(bp); + xfs_buf_relse(bp); + if (error) + goto error0; + } + } xfs_trans_agblocks_delta(tp, nfree); /* -- 1.8.3.1 From bfoster@redhat.com Thu Apr 10 11:08:41 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 3CF697F87 for ; Thu, 10 Apr 2014 11:08:41 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 2B00A8F8040 for ; Thu, 10 Apr 2014 09:08:41 -0700 (PDT) X-ASG-Debug-ID: 1397146120-04cb6c77b79ee50001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id 5jP7tCK44tfoQyHO for ; Thu, 10 Apr 2014 09:08:40 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx10.intmail.prod.int.phx2.redhat.com (int-mx10.intmail.prod.int.phx2.redhat.com [10.5.11.23]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3AG8d9L002901 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Thu, 10 Apr 2014 12:08:39 -0400 Received: from bfoster.bfoster ([10.18.41.237]) by int-mx10.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s3AG8d5g013378 for ; Thu, 10 Apr 2014 12:08:39 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id 8CF531256D2; Thu, 10 Apr 2014 12:08:37 -0400 (EDT) From: Brian Foster To: xfs@oss.sgi.com Subject: [PATCH v5 05/11] xfs: insert newly allocated inode chunks into the finobt Date: Thu, 10 Apr 2014 12:08:30 -0400 X-ASG-Orig-Subj: [PATCH v5 05/11] xfs: insert newly allocated inode chunks into the finobt Message-Id: <1397146116-42546-6-git-send-email-bfoster@redhat.com> In-Reply-To: <1397146116-42546-1-git-send-email-bfoster@redhat.com> References: <1397146116-42546-1-git-send-email-bfoster@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.23 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1397146120 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 A newly allocated inode chunk, by definition, has at least one free inode, so a record is always inserted into the finobt. Create the xfs_inobt_insert() helper from existing code to insert a record in an inobt based on the provided BTNUM. Update xfs_ialloc_ag_alloc() to invoke the helper for the existing XFS_BTNUM_INO tree and XFS_BTNUM_FINO tree, if enabled. Reviewed-by: Dave Chinner Signed-off-by: Brian Foster --- fs/xfs/xfs_ialloc.c | 93 ++++++++++++++++++++++++++++++++++++++++------------- 1 file changed, 70 insertions(+), 23 deletions(-) diff --git a/fs/xfs/xfs_ialloc.c b/fs/xfs/xfs_ialloc.c index a0aead5..203db98 100644 --- a/fs/xfs/xfs_ialloc.c +++ b/fs/xfs/xfs_ialloc.c @@ -112,6 +112,66 @@ xfs_inobt_get_rec( } /* + * Insert a single inobt record. Cursor must already point to desired location. + */ +STATIC int +xfs_inobt_insert_rec( + struct xfs_btree_cur *cur, + __int32_t freecount, + xfs_inofree_t free, + int *stat) +{ + cur->bc_rec.i.ir_freecount = freecount; + cur->bc_rec.i.ir_free = free; + return xfs_btree_insert(cur, stat); +} + +/* + * Insert records describing a newly allocated inode chunk into the inobt. + */ +STATIC int +xfs_inobt_insert( + struct xfs_mount *mp, + struct xfs_trans *tp, + struct xfs_buf *agbp, + xfs_agino_t newino, + xfs_agino_t newlen, + xfs_btnum_t btnum) +{ + struct xfs_btree_cur *cur; + struct xfs_agi *agi = XFS_BUF_TO_AGI(agbp); + xfs_agnumber_t agno = be32_to_cpu(agi->agi_seqno); + xfs_agino_t thisino; + int i; + int error; + + cur = xfs_inobt_init_cursor(mp, tp, agbp, agno, btnum); + + for (thisino = newino; + thisino < newino + newlen; + thisino += XFS_INODES_PER_CHUNK) { + error = xfs_inobt_lookup(cur, thisino, XFS_LOOKUP_EQ, &i); + if (error) { + xfs_btree_del_cursor(cur, XFS_BTREE_ERROR); + return error; + } + ASSERT(i == 0); + + error = xfs_inobt_insert_rec(cur, XFS_INODES_PER_CHUNK, + XFS_INOBT_ALL_FREE, &i); + if (error) { + xfs_btree_del_cursor(cur, XFS_BTREE_ERROR); + return error; + } + ASSERT(i == 1); + } + + xfs_btree_del_cursor(cur, XFS_BTREE_NOERROR); + + return 0; +} + +/* * Verify that the number of free inodes in the AGI is correct. */ #ifdef DEBUG @@ -303,13 +363,10 @@ xfs_ialloc_ag_alloc( { xfs_agi_t *agi; /* allocation group header */ xfs_alloc_arg_t args; /* allocation argument structure */ - xfs_btree_cur_t *cur; /* inode btree cursor */ xfs_agnumber_t agno; int error; - int i; xfs_agino_t newino; /* new first inode's number */ xfs_agino_t newlen; /* new number of inodes */ - xfs_agino_t thisino; /* current inode number, for loop */ int isaligned = 0; /* inode allocation at stripe unit */ /* boundary */ struct xfs_perag *pag; @@ -459,29 +516,19 @@ xfs_ialloc_ag_alloc( agi->agi_newino = cpu_to_be32(newino); /* - * Insert records describing the new inode chunk into the btree. + * Insert records describing the new inode chunk into the btrees. */ - cur = xfs_inobt_init_cursor(args.mp, tp, agbp, agno, XFS_BTNUM_INO); - for (thisino = newino; - thisino < newino + newlen; - thisino += XFS_INODES_PER_CHUNK) { - cur->bc_rec.i.ir_startino = thisino; - cur->bc_rec.i.ir_freecount = XFS_INODES_PER_CHUNK; - cur->bc_rec.i.ir_free = XFS_INOBT_ALL_FREE; - error = xfs_btree_lookup(cur, XFS_LOOKUP_EQ, &i); - if (error) { - xfs_btree_del_cursor(cur, XFS_BTREE_ERROR); - return error; - } - ASSERT(i == 0); - error = xfs_btree_insert(cur, &i); - if (error) { - xfs_btree_del_cursor(cur, XFS_BTREE_ERROR); + error = xfs_inobt_insert(args.mp, tp, agbp, newino, newlen, + XFS_BTNUM_INO); + if (error) + return error; + + if (xfs_sb_version_hasfinobt(&args.mp->m_sb)) { + error = xfs_inobt_insert(args.mp, tp, agbp, newino, newlen, + XFS_BTNUM_FINO); + if (error) return error; - } - ASSERT(i == 1); } - xfs_btree_del_cursor(cur, XFS_BTREE_NOERROR); /* * Log allocation group header fields */ -- 1.8.3.1 From bfoster@redhat.com Thu Apr 10 11:08:41 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 678E67F92 for ; Thu, 10 Apr 2014 11:08:41 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 5288F8F8040 for ; Thu, 10 Apr 2014 09:08:41 -0700 (PDT) X-ASG-Debug-ID: 1397146120-04cb6c77b59ee50001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id D1DPVIwSxpyUI3e6 for ; Thu, 10 Apr 2014 09:08:40 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx10.intmail.prod.int.phx2.redhat.com (int-mx10.intmail.prod.int.phx2.redhat.com [10.5.11.23]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3AG8dCr004149 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Thu, 10 Apr 2014 12:08:39 -0400 Received: from bfoster.bfoster ([10.18.41.237]) by int-mx10.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s3AG8d5i013378 for ; Thu, 10 Apr 2014 12:08:39 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id 438E41256CC; Thu, 10 Apr 2014 12:08:37 -0400 (EDT) From: Brian Foster To: xfs@oss.sgi.com Subject: [PATCH v5 08/11] xfs: update the finobt on inode free Date: Thu, 10 Apr 2014 12:08:33 -0400 X-ASG-Orig-Subj: [PATCH v5 08/11] xfs: update the finobt on inode free Message-Id: <1397146116-42546-9-git-send-email-bfoster@redhat.com> In-Reply-To: <1397146116-42546-1-git-send-email-bfoster@redhat.com> References: <1397146116-42546-1-git-send-email-bfoster@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.23 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1397146120 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 An inode free operation can have several effects on the finobt. If all inodes have been freed and the chunk deallocated, we remove the finobt record. If the inode chunk was previously full, we must insert a new record based on the existing inobt record. Otherwise, we modify the record in place. Create the xfs_difree_finobt() function to identify the potential scenarios and update the finobt appropriately. Signed-off-by: Brian Foster --- fs/xfs/xfs_ialloc.c | 102 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 102 insertions(+) diff --git a/fs/xfs/xfs_ialloc.c b/fs/xfs/xfs_ialloc.c index e165c33..0629fd6 100644 --- a/fs/xfs/xfs_ialloc.c +++ b/fs/xfs/xfs_ialloc.c @@ -1559,6 +1559,99 @@ error0: } /* + * Free an inode in the free inode btree. + */ +STATIC int +xfs_difree_finobt( + struct xfs_mount *mp, + struct xfs_trans *tp, + struct xfs_buf *agbp, + xfs_agino_t agino, + struct xfs_inobt_rec_incore *ibtrec) /* inobt record */ +{ + struct xfs_agi *agi = XFS_BUF_TO_AGI(agbp); + xfs_agnumber_t agno = be32_to_cpu(agi->agi_seqno); + struct xfs_btree_cur *cur; + struct xfs_inobt_rec_incore rec; + int offset = agino - ibtrec->ir_startino; + int error; + int i; + + cur = xfs_inobt_init_cursor(mp, tp, agbp, agno, XFS_BTNUM_FINO); + + error = xfs_inobt_lookup(cur, ibtrec->ir_startino, XFS_LOOKUP_EQ, &i); + if (error) + goto error; + if (i == 0) { + /* + * If the record does not exist in the finobt, we must have just + * freed an inode in a previously fully allocated chunk. If not, + * something is out of sync. + */ + XFS_WANT_CORRUPTED_GOTO(ibtrec->ir_freecount == 1, error); + + error = xfs_inobt_insert_rec(cur, ibtrec->ir_freecount, + ibtrec->ir_free, &i); + if (error) + goto error; + ASSERT(i == 1); + + goto out; + } + + /* + * Read and update the existing record. We could just copy the ibtrec + * across here, but that would defeat the purpose of having redundant + * metadata. By making the modifications independently, we can catch + * corruptions that we wouldn't see if we just copied from one record + * to another. + */ + error = xfs_inobt_get_rec(cur, &rec, &i); + if (error) + goto error; + XFS_WANT_CORRUPTED_GOTO(i == 1, error); + + rec.ir_free |= XFS_INOBT_MASK(offset); + rec.ir_freecount++; + + XFS_WANT_CORRUPTED_GOTO((rec.ir_free == ibtrec->ir_free) && + (rec.ir_freecount == ibtrec->ir_freecount), + error); + + /* + * The content of inobt records should always match between the inobt + * and finobt. The lifecycle of records in the finobt is different from + * the inobt in that the finobt only tracks records with at least one + * free inode. Hence, if all of the inodes are free and we aren't + * keeping inode chunks permanently on disk, remove the record. + * Otherwise, update the record with the new information. + */ + if (rec.ir_freecount == mp->m_ialloc_inos && + !(mp->m_flags & XFS_MOUNT_IKEEP)) { + error = xfs_btree_delete(cur, &i); + if (error) + goto error; + ASSERT(i == 1); + } else { + error = xfs_inobt_update(cur, &rec); + if (error) + goto error; + } + +out: + error = xfs_check_agi_freecount(cur, agi); + if (error) + goto error; + + xfs_btree_del_cursor(cur, XFS_BTREE_NOERROR); + return 0; + +error: + xfs_btree_del_cursor(cur, XFS_BTREE_ERROR); + return error; +} + +/* * Free disk inode. Carefully avoids touching the incore inode, all * manipulations incore are the caller's responsibility. * The on-disk inode is not changed by this operation, only the @@ -1626,6 +1719,15 @@ xfs_difree( if (error) goto error0; + /* + * Fix up the free inode btree. + */ + if (xfs_sb_version_hasfinobt(&mp->m_sb)) { + error = xfs_difree_finobt(mp, tp, agbp, agino, &rec); + if (error) + goto error0; + } + return 0; error0: -- 1.8.3.1 From bfoster@redhat.com Thu Apr 10 11:08:42 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 7CBE47F9B for ; Thu, 10 Apr 2014 11:08:41 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 6C12730405F for ; Thu, 10 Apr 2014 09:08:41 -0700 (PDT) X-ASG-Debug-ID: 1397146120-04cb6c77b49ee50001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id lzsHSX4epK9i4TLL for ; Thu, 10 Apr 2014 09:08:40 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx09.intmail.prod.int.phx2.redhat.com (int-mx09.intmail.prod.int.phx2.redhat.com [10.5.11.22]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3AG8dsl002837 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Thu, 10 Apr 2014 12:08:40 -0400 Received: from bfoster.bfoster ([10.18.41.237]) by int-mx09.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s3AG8dOS022368 for ; Thu, 10 Apr 2014 12:08:39 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id 98DFC125602; Thu, 10 Apr 2014 12:08:38 -0400 (EDT) From: Brian Foster To: xfs@oss.sgi.com Subject: [PATCH v5 11/11] xfs: enable the finobt feature on v5 superblocks Date: Thu, 10 Apr 2014 12:08:36 -0400 X-ASG-Orig-Subj: [PATCH v5 11/11] xfs: enable the finobt feature on v5 superblocks Message-Id: <1397146116-42546-12-git-send-email-bfoster@redhat.com> In-Reply-To: <1397146116-42546-1-git-send-email-bfoster@redhat.com> References: <1397146116-42546-1-git-send-email-bfoster@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.22 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1397146120 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 Add the finobt feature bit to the list of known features. As of this point, the kernel code knows how to mount and manage both finobt and non-finobt formatted filesystems. Reviewed-by: Dave Chinner Signed-off-by: Brian Foster --- fs/xfs/xfs_sb.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/fs/xfs/xfs_sb.h b/fs/xfs/xfs_sb.h index 7f53a85..950d1ea 100644 --- a/fs/xfs/xfs_sb.h +++ b/fs/xfs/xfs_sb.h @@ -588,7 +588,8 @@ xfs_sb_has_compat_feature( } #define XFS_SB_FEAT_RO_COMPAT_FINOBT (1 << 0) /* free inode btree */ -#define XFS_SB_FEAT_RO_COMPAT_ALL 0 +#define XFS_SB_FEAT_RO_COMPAT_ALL \ + (XFS_SB_FEAT_RO_COMPAT_FINOBT) #define XFS_SB_FEAT_RO_COMPAT_UNKNOWN ~XFS_SB_FEAT_RO_COMPAT_ALL static inline bool xfs_sb_has_ro_compat_feature( -- 1.8.3.1 From bfoster@redhat.com Thu Apr 10 11:08:42 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 5EADB7F91 for ; Thu, 10 Apr 2014 11:08:41 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id E6951AC00B for ; Thu, 10 Apr 2014 09:08:40 -0700 (PDT) X-ASG-Debug-ID: 1397146119-04cbb00dc6a27e0001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id 2iGHQS18Uk8tp4nT for ; Thu, 10 Apr 2014 09:08:39 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx01.intmail.prod.int.phx2.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3AG8cs2007093 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Thu, 10 Apr 2014 12:08:39 -0400 Received: from bfoster.bfoster ([10.18.41.237]) by int-mx01.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id s3AG8cr1010788 for ; Thu, 10 Apr 2014 12:08:38 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id 2D5FC1256D0; Thu, 10 Apr 2014 12:08:37 -0400 (EDT) From: Brian Foster To: xfs@oss.sgi.com Subject: [PATCH v5 04/11] xfs: update inode allocation/free transaction reservations for finobt Date: Thu, 10 Apr 2014 12:08:29 -0400 X-ASG-Orig-Subj: [PATCH v5 04/11] xfs: update inode allocation/free transaction reservations for finobt Message-Id: <1397146116-42546-5-git-send-email-bfoster@redhat.com> In-Reply-To: <1397146116-42546-1-git-send-email-bfoster@redhat.com> References: <1397146116-42546-1-git-send-email-bfoster@redhat.com> X-Scanned-By: MIMEDefang 2.67 on 10.5.11.11 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1397146119 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 Create the xfs_calc_finobt_res() helper to calculate the finobt log reservation for inode allocation and free. Update XFS_IALLOC_SPACE_RES() to reserve blocks for the additional finobt insertion on inode allocation. Create XFS_IFREE_SPACE_RES() to reserve blocks for the potential finobt record insertion on inode free (i.e., if an inode chunk was previously fully allocated). Signed-off-by: Brian Foster --- fs/xfs/xfs_inode.c | 25 ++++++++++++++++++++++- fs/xfs/xfs_trans_resv.c | 53 +++++++++++++++++++++++++++++++++++++++++++++--- fs/xfs/xfs_trans_space.h | 7 ++++++- 3 files changed, 80 insertions(+), 5 deletions(-) diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c index 5e7a38f..8576892 100644 --- a/fs/xfs/xfs_inode.c +++ b/fs/xfs/xfs_inode.c @@ -1837,8 +1837,31 @@ xfs_inactive_ifree( int error; tp = xfs_trans_alloc(mp, XFS_TRANS_INACTIVE); - error = xfs_trans_reserve(tp, &M_RES(mp)->tr_ifree, 0, 0); + + /* + * The ifree transaction might need to allocate blocks for record + * insertion to the finobt. We don't want to fail here at ENOSPC, so + * allow ifree to dip into the reserved block pool if necessary. + * + * Freeing large sets of inodes generally means freeing inode chunks, + * directory and file data blocks, so this should be relatively safe. + * Only under severe circumstances should it be possible to free enough + * inodes to exhaust the reserve block pool via finobt expansion while + * at the same time not creating free space in the filesystem. + * + * Send a warning if the reservation does happen to fail, as the inode + * now remains allocated and sits on the unlinked list until the fs is + * repaired. + */ + tp->t_flags |= XFS_TRANS_RESERVE; + error = xfs_trans_reserve(tp, &M_RES(mp)->tr_ifree, + XFS_IFREE_SPACE_RES(mp), 0); if (error) { + if (error == ENOSPC) + xfs_warn_ratelimited(mp, + "Failed to remove inode(s) from unlinked list. " + "Please free space, unmount and run xfs_repair."); + ASSERT(XFS_FORCED_SHUTDOWN(mp)); xfs_trans_cancel(tp, XFS_TRANS_RELEASE_LOG_RES); return error; diff --git a/fs/xfs/xfs_trans_resv.c b/fs/xfs/xfs_trans_resv.c index ae36816..52b6c3e 100644 --- a/fs/xfs/xfs_trans_resv.c +++ b/fs/xfs/xfs_trans_resv.c @@ -106,6 +106,47 @@ xfs_calc_inode_res( } /* + * The free inode btree is a conditional feature and the log reservation + * requirements differ slightly from that of the traditional inode allocation + * btree. The finobt tracks records for inode chunks with at least one free + * inode. A record can be removed from the tree for an inode allocation + * or free and thus the finobt reservation is unconditional across: + * + * - inode allocation + * - inode free + * - inode chunk allocation + * + * The 'modify' param indicates to include the record modification scenario. The + * 'alloc' param indicates to include the reservation for free space btree + * modifications on behalf of finobt modifications. This is required only for + * transactions that do not already account for free space btree modifications. + * + * the free inode btree: max depth * block size + * the allocation btrees: 2 trees * (max depth - 1) * block size + * the free inode btree entry: block size + */ +STATIC uint +xfs_calc_finobt_res( + struct xfs_mount *mp, + int alloc, + int modify) +{ + uint res; + + if (!xfs_sb_version_hasfinobt(&mp->m_sb)) + return 0; + + res = xfs_calc_buf_res(mp->m_in_maxlevels, XFS_FSB_TO_B(mp, 1)); + if (alloc) + res += xfs_calc_buf_res(XFS_ALLOCFREE_LOG_COUNT(mp, 1), + XFS_FSB_TO_B(mp, 1)); + if (modify) + res += (uint)XFS_FSB_TO_B(mp, 1); + + return res; +} + +/* * Various log reservation values. * * These are based on the size of the file system block because that is what @@ -302,6 +343,7 @@ xfs_calc_remove_reservation( * the superblock for the nlink flag: sector size * the directory btree: (max depth + v2) * dir block size * the directory inode's bmap btree: (max depth + v2) * block size + * the finobt (record modification and allocation btrees) */ STATIC uint xfs_calc_create_resv_modify( @@ -310,7 +352,8 @@ xfs_calc_create_resv_modify( return xfs_calc_inode_res(mp, 2) + xfs_calc_buf_res(1, mp->m_sb.sb_sectsize) + (uint)XFS_FSB_TO_B(mp, 1) + - xfs_calc_buf_res(XFS_DIROP_LOG_COUNT(mp), XFS_FSB_TO_B(mp, 1)); + xfs_calc_buf_res(XFS_DIROP_LOG_COUNT(mp), XFS_FSB_TO_B(mp, 1)) + + xfs_calc_finobt_res(mp, 1, 1); } /* @@ -348,6 +391,7 @@ __xfs_calc_create_reservation( * the superblock for the nlink flag: sector size * the inode btree: max depth * blocksize * the allocation btrees: 2 trees * (max depth - 1) * block size + * the finobt (record insertion) */ STATIC uint xfs_calc_icreate_resv_alloc( @@ -357,7 +401,8 @@ xfs_calc_icreate_resv_alloc( mp->m_sb.sb_sectsize + xfs_calc_buf_res(mp->m_in_maxlevels, XFS_FSB_TO_B(mp, 1)) + xfs_calc_buf_res(XFS_ALLOCFREE_LOG_COUNT(mp, 1), - XFS_FSB_TO_B(mp, 1)); + XFS_FSB_TO_B(mp, 1)) + + xfs_calc_finobt_res(mp, 0, 0); } STATIC uint @@ -425,6 +470,7 @@ xfs_calc_symlink_reservation( * the on disk inode before ours in the agi hash list: inode cluster size * the inode btree: max depth * blocksize * the allocation btrees: 2 trees * (max depth - 1) * block size + * the finobt (record insertion, removal or modification) */ STATIC uint xfs_calc_ifree_reservation( @@ -439,7 +485,8 @@ xfs_calc_ifree_reservation( xfs_calc_buf_res(2 + mp->m_ialloc_blks + mp->m_in_maxlevels, 0) + xfs_calc_buf_res(XFS_ALLOCFREE_LOG_COUNT(mp, 1), - XFS_FSB_TO_B(mp, 1)); + XFS_FSB_TO_B(mp, 1)) + + xfs_calc_finobt_res(mp, 0, 1); } /* diff --git a/fs/xfs/xfs_trans_space.h b/fs/xfs/xfs_trans_space.h index af5dbe0..df4c1f8 100644 --- a/fs/xfs/xfs_trans_space.h +++ b/fs/xfs/xfs_trans_space.h @@ -47,7 +47,9 @@ #define XFS_DIRREMOVE_SPACE_RES(mp) \ XFS_DAREMOVE_SPACE_RES(mp, XFS_DATA_FORK) #define XFS_IALLOC_SPACE_RES(mp) \ - ((mp)->m_ialloc_blks + (mp)->m_in_maxlevels - 1) + ((mp)->m_ialloc_blks + \ + (xfs_sb_version_hasfinobt(&mp->m_sb) ? 2 : 1 * \ + ((mp)->m_in_maxlevels - 1))) /* * Space reservation values for various transactions. @@ -82,5 +84,8 @@ (XFS_DIRREMOVE_SPACE_RES(mp) + XFS_DIRENTER_SPACE_RES(mp,nl)) #define XFS_SYMLINK_SPACE_RES(mp,nl,b) \ (XFS_IALLOC_SPACE_RES(mp) + XFS_DIRENTER_SPACE_RES(mp,nl) + (b)) +#define XFS_IFREE_SPACE_RES(mp) \ + (xfs_sb_version_hasfinobt(&mp->m_sb) ? (mp)->m_in_maxlevels : 0) + #endif /* __XFS_TRANS_SPACE_H__ */ -- 1.8.3.1 From bfoster@redhat.com Thu Apr 10 11:08:41 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 28A967F85 for ; Thu, 10 Apr 2014 11:08:41 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 13B948F8040 for ; Thu, 10 Apr 2014 09:08:41 -0700 (PDT) X-ASG-Debug-ID: 1397146118-04cbb00dc4a27d0001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id shHKPnsXpafUTR8g for ; Thu, 10 Apr 2014 09:08:39 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx09.intmail.prod.int.phx2.redhat.com (int-mx09.intmail.prod.int.phx2.redhat.com [10.5.11.22]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3AG8c5x008803 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Thu, 10 Apr 2014 12:08:38 -0400 Received: from bfoster.bfoster ([10.18.41.237]) by int-mx09.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s3AG8cBY022358 for ; Thu, 10 Apr 2014 12:08:38 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id 165C61256CC; Thu, 10 Apr 2014 12:08:36 -0400 (EDT) From: Brian Foster To: xfs@oss.sgi.com Subject: [PATCH v5 02/11] xfs: reserve v5 superblock read-only compat. feature bit for finobt Date: Thu, 10 Apr 2014 12:08:27 -0400 X-ASG-Orig-Subj: [PATCH v5 02/11] xfs: reserve v5 superblock read-only compat. feature bit for finobt Message-Id: <1397146116-42546-3-git-send-email-bfoster@redhat.com> In-Reply-To: <1397146116-42546-1-git-send-email-bfoster@redhat.com> References: <1397146116-42546-1-git-send-email-bfoster@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.22 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1397146119 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 Reserve a v5 read-only compatibility feature bit for the finobt and create the xfs_sb_version_hasfinobt() helper to determine whether an fs has the feature enabled. The finobt does not change existing on-disk structures, but must remain consistent with the ialloc btree. Modifications from older kernels would violate that constrant. Therefore, we restrict older kernels to read-only mounts of finobt-enabled filesystems. Note that this does not yet enable the ability to rw mount a finobt fs (by setting the feature bit in the XFS_SB_FEAT_RO_COMPAT_ALL mask). Reviewed-by: Dave Chinner Signed-off-by: Brian Foster --- fs/xfs/xfs_sb.h | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/fs/xfs/xfs_sb.h b/fs/xfs/xfs_sb.h index f7b2fe7..7f53a85 100644 --- a/fs/xfs/xfs_sb.h +++ b/fs/xfs/xfs_sb.h @@ -587,6 +587,7 @@ xfs_sb_has_compat_feature( return (sbp->sb_features_compat & feature) != 0; } +#define XFS_SB_FEAT_RO_COMPAT_FINOBT (1 << 0) /* free inode btree */ #define XFS_SB_FEAT_RO_COMPAT_ALL 0 #define XFS_SB_FEAT_RO_COMPAT_UNKNOWN ~XFS_SB_FEAT_RO_COMPAT_ALL static inline bool @@ -641,6 +642,12 @@ static inline int xfs_sb_version_hasftype(struct xfs_sb *sbp) (sbp->sb_features2 & XFS_SB_VERSION2_FTYPE)); } +static inline int xfs_sb_version_hasfinobt(xfs_sb_t *sbp) +{ + return (XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_5) && + (sbp->sb_features_ro_compat & XFS_SB_FEAT_RO_COMPAT_FINOBT); +} + /* * end of superblock version macros */ -- 1.8.3.1 From bfoster@redhat.com Thu Apr 10 11:08:46 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 92DAD7F84 for ; Thu, 10 Apr 2014 11:08:41 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 725A38F8040 for ; Thu, 10 Apr 2014 09:08:41 -0700 (PDT) X-ASG-Debug-ID: 1397146120-04cbb00dc5a27f0001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id YkHat2Zcy494Y6go for ; Thu, 10 Apr 2014 09:08:40 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx10.intmail.prod.int.phx2.redhat.com (int-mx10.intmail.prod.int.phx2.redhat.com [10.5.11.23]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3AG8dad004151 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Thu, 10 Apr 2014 12:08:40 -0400 Received: from bfoster.bfoster ([10.18.41.237]) by int-mx10.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s3AG8dpH013380 for ; Thu, 10 Apr 2014 12:08:39 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id 865CE1256D4; Thu, 10 Apr 2014 12:08:37 -0400 (EDT) From: Brian Foster To: xfs@oss.sgi.com Subject: [PATCH v5 07/11] xfs: refactor xfs_difree() inobt bits into xfs_difree_inobt() helper Date: Thu, 10 Apr 2014 12:08:32 -0400 X-ASG-Orig-Subj: [PATCH v5 07/11] xfs: refactor xfs_difree() inobt bits into xfs_difree_inobt() helper Message-Id: <1397146116-42546-8-git-send-email-bfoster@redhat.com> In-Reply-To: <1397146116-42546-1-git-send-email-bfoster@redhat.com> References: <1397146116-42546-1-git-send-email-bfoster@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.23 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1397146120 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 Refactor xfs_difree() in preparation for the finobt. xfs_difree() performs the validity checks against the ag and reads the agi header. The work of physically updating the inode allocation btree is pushed down into the new xfs_difree_inobt() helper. Reviewed-by: Dave Chinner Signed-off-by: Brian Foster --- fs/xfs/xfs_ialloc.c | 161 +++++++++++++++++++++++++++++++--------------------- 1 file changed, 96 insertions(+), 65 deletions(-) diff --git a/fs/xfs/xfs_ialloc.c b/fs/xfs/xfs_ialloc.c index 8982c88..e165c33 100644 --- a/fs/xfs/xfs_ialloc.c +++ b/fs/xfs/xfs_ialloc.c @@ -1430,74 +1430,30 @@ out_error: return XFS_ERROR(error); } -/* - * Free disk inode. Carefully avoids touching the incore inode, all - * manipulations incore are the caller's responsibility. - * The on-disk inode is not changed by this operation, only the - * btree (free inode mask) is changed. - */ -int -xfs_difree( - xfs_trans_t *tp, /* transaction pointer */ - xfs_ino_t inode, /* inode to be freed */ - xfs_bmap_free_t *flist, /* extents to free */ - int *delete, /* set if inode cluster was deleted */ - xfs_ino_t *first_ino) /* first inode in deleted cluster */ +STATIC int +xfs_difree_inobt( + struct xfs_mount *mp, + struct xfs_trans *tp, + struct xfs_buf *agbp, + xfs_agino_t agino, + struct xfs_bmap_free *flist, + int *delete, + xfs_ino_t *first_ino, + struct xfs_inobt_rec_incore *orec) { - /* REFERENCED */ - xfs_agblock_t agbno; /* block number containing inode */ - xfs_buf_t *agbp; /* buffer containing allocation group header */ - xfs_agino_t agino; /* inode number relative to allocation group */ - xfs_agnumber_t agno; /* allocation group number */ - xfs_agi_t *agi; /* allocation group header */ - xfs_btree_cur_t *cur; /* inode btree cursor */ - int error; /* error return value */ - int i; /* result code */ - int ilen; /* inodes in an inode cluster */ - xfs_mount_t *mp; /* mount structure for filesystem */ - int off; /* offset of inode in inode chunk */ - xfs_inobt_rec_incore_t rec; /* btree record */ - struct xfs_perag *pag; - - mp = tp->t_mountp; + struct xfs_agi *agi = XFS_BUF_TO_AGI(agbp); + xfs_agnumber_t agno = be32_to_cpu(agi->agi_seqno); + struct xfs_perag *pag; + struct xfs_btree_cur *cur; + struct xfs_inobt_rec_incore rec; + int ilen; + int error; + int i; + int off; - /* - * Break up inode number into its components. - */ - agno = XFS_INO_TO_AGNO(mp, inode); - if (agno >= mp->m_sb.sb_agcount) { - xfs_warn(mp, "%s: agno >= mp->m_sb.sb_agcount (%d >= %d).", - __func__, agno, mp->m_sb.sb_agcount); - ASSERT(0); - return XFS_ERROR(EINVAL); - } - agino = XFS_INO_TO_AGINO(mp, inode); - if (inode != XFS_AGINO_TO_INO(mp, agno, agino)) { - xfs_warn(mp, "%s: inode != XFS_AGINO_TO_INO() (%llu != %llu).", - __func__, (unsigned long long)inode, - (unsigned long long)XFS_AGINO_TO_INO(mp, agno, agino)); - ASSERT(0); - return XFS_ERROR(EINVAL); - } - agbno = XFS_AGINO_TO_AGBNO(mp, agino); - if (agbno >= mp->m_sb.sb_agblocks) { - xfs_warn(mp, "%s: agbno >= mp->m_sb.sb_agblocks (%d >= %d).", - __func__, agbno, mp->m_sb.sb_agblocks); - ASSERT(0); - return XFS_ERROR(EINVAL); - } - /* - * Get the allocation group header. - */ - error = xfs_ialloc_read_agi(mp, tp, agno, &agbp); - if (error) { - xfs_warn(mp, "%s: xfs_ialloc_read_agi() returned error %d.", - __func__, error); - return error; - } - agi = XFS_BUF_TO_AGI(agbp); ASSERT(agi->agi_magicnum == cpu_to_be32(XFS_AGI_MAGIC)); - ASSERT(agbno < be32_to_cpu(agi->agi_length)); + ASSERT(XFS_AGINO_TO_AGBNO(mp, agino) < be32_to_cpu(agi->agi_length)); + /* * Initialize the cursor. */ @@ -1593,6 +1549,7 @@ xfs_difree( if (error) goto error0; + *orec = rec; xfs_btree_del_cursor(cur, XFS_BTREE_NOERROR); return 0; @@ -1601,6 +1558,80 @@ error0: return error; } +/* + * Free disk inode. Carefully avoids touching the incore inode, all + * manipulations incore are the caller's responsibility. + * The on-disk inode is not changed by this operation, only the + * btree (free inode mask) is changed. + */ +int +xfs_difree( + struct xfs_trans *tp, /* transaction pointer */ + xfs_ino_t inode, /* inode to be freed */ + struct xfs_bmap_free *flist, /* extents to free */ + int *delete,/* set if inode cluster was deleted */ + xfs_ino_t *first_ino)/* first inode in deleted cluster */ +{ + /* REFERENCED */ + xfs_agblock_t agbno; /* block number containing inode */ + struct xfs_buf *agbp; /* buffer for allocation group header */ + xfs_agino_t agino; /* allocation group inode number */ + xfs_agnumber_t agno; /* allocation group number */ + int error; /* error return value */ + struct xfs_mount *mp; /* mount structure for filesystem */ + struct xfs_inobt_rec_incore rec;/* btree record */ + + mp = tp->t_mountp; + + /* + * Break up inode number into its components. + */ + agno = XFS_INO_TO_AGNO(mp, inode); + if (agno >= mp->m_sb.sb_agcount) { + xfs_warn(mp, "%s: agno >= mp->m_sb.sb_agcount (%d >= %d).", + __func__, agno, mp->m_sb.sb_agcount); + ASSERT(0); + return XFS_ERROR(EINVAL); + } + agino = XFS_INO_TO_AGINO(mp, inode); + if (inode != XFS_AGINO_TO_INO(mp, agno, agino)) { + xfs_warn(mp, "%s: inode != XFS_AGINO_TO_INO() (%llu != %llu).", + __func__, (unsigned long long)inode, + (unsigned long long)XFS_AGINO_TO_INO(mp, agno, agino)); + ASSERT(0); + return XFS_ERROR(EINVAL); + } + agbno = XFS_AGINO_TO_AGBNO(mp, agino); + if (agbno >= mp->m_sb.sb_agblocks) { + xfs_warn(mp, "%s: agbno >= mp->m_sb.sb_agblocks (%d >= %d).", + __func__, agbno, mp->m_sb.sb_agblocks); + ASSERT(0); + return XFS_ERROR(EINVAL); + } + /* + * Get the allocation group header. + */ + error = xfs_ialloc_read_agi(mp, tp, agno, &agbp); + if (error) { + xfs_warn(mp, "%s: xfs_ialloc_read_agi() returned error %d.", + __func__, error); + return error; + } + + /* + * Fix up the inode allocation btree. + */ + error = xfs_difree_inobt(mp, tp, agbp, agino, flist, delete, first_ino, + &rec); + if (error) + goto error0; + + return 0; + +error0: + return error; +} + STATIC int xfs_imap_lookup( struct xfs_mount *mp, -- 1.8.3.1 From bfoster@redhat.com Thu Apr 10 11:08:46 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 916CD7F92 for ; Thu, 10 Apr 2014 11:08:43 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id 42B56AC00E for ; Thu, 10 Apr 2014 09:08:43 -0700 (PDT) X-ASG-Debug-ID: 1397146118-04bdf07dc8a3d10001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id XLsGmH3NxHiIc5Cc for ; Thu, 10 Apr 2014 09:08:39 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3AG8cPq004140 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Thu, 10 Apr 2014 12:08:38 -0400 Received: from bfoster.bfoster ([10.18.41.237]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s3AG8c3o019894 for ; Thu, 10 Apr 2014 12:08:38 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id DF6E1125602; Thu, 10 Apr 2014 12:08:36 -0400 (EDT) From: Brian Foster To: xfs@oss.sgi.com Subject: [PATCH v5 01/11] xfs: refactor xfs_ialloc_btree.c to support multiple inobt numbers Date: Thu, 10 Apr 2014 12:08:26 -0400 X-ASG-Orig-Subj: [PATCH v5 01/11] xfs: refactor xfs_ialloc_btree.c to support multiple inobt numbers Message-Id: <1397146116-42546-2-git-send-email-bfoster@redhat.com> In-Reply-To: <1397146116-42546-1-git-send-email-bfoster@redhat.com> References: <1397146116-42546-1-git-send-email-bfoster@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1397146118 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 The introduction of the free inode btree (finobt) requires that xfs_ialloc_btree.c handle multiple trees. Refactor xfs_ialloc_btree.c so the caller specifies the btree type on cursor initialization to prepare for addition of the finobt. Signed-off-by: Brian Foster Reviewed-by: Dave Chinner Reviewed-by: Christoph Hellwig --- fs/xfs/xfs_ialloc.c | 8 ++++---- fs/xfs/xfs_ialloc_btree.c | 8 +++++--- fs/xfs/xfs_ialloc_btree.h | 3 ++- fs/xfs/xfs_itable.c | 6 ++++-- 4 files changed, 15 insertions(+), 10 deletions(-) diff --git a/fs/xfs/xfs_ialloc.c b/fs/xfs/xfs_ialloc.c index 8f711db..e676572 100644 --- a/fs/xfs/xfs_ialloc.c +++ b/fs/xfs/xfs_ialloc.c @@ -461,7 +461,7 @@ xfs_ialloc_ag_alloc( /* * Insert records describing the new inode chunk into the btree. */ - cur = xfs_inobt_init_cursor(args.mp, tp, agbp, agno); + cur = xfs_inobt_init_cursor(args.mp, tp, agbp, agno, XFS_BTNUM_INO); for (thisino = newino; thisino < newino + newlen; thisino += XFS_INODES_PER_CHUNK) { @@ -707,7 +707,7 @@ xfs_dialloc_ag( ASSERT(pag->pagi_freecount > 0); restart_pagno: - cur = xfs_inobt_init_cursor(mp, tp, agbp, agno); + cur = xfs_inobt_init_cursor(mp, tp, agbp, agno, XFS_BTNUM_INO); /* * If pagino is 0 (this is the root inode allocation) use newino. * This must work because we've just allocated some. @@ -1169,7 +1169,7 @@ xfs_difree( /* * Initialize the cursor. */ - cur = xfs_inobt_init_cursor(mp, tp, agbp, agno); + cur = xfs_inobt_init_cursor(mp, tp, agbp, agno, XFS_BTNUM_INO); error = xfs_check_agi_freecount(cur, agi); if (error) @@ -1300,7 +1300,7 @@ xfs_imap_lookup( * we have a record, we need to ensure it contains the inode number * we are looking up. */ - cur = xfs_inobt_init_cursor(mp, tp, agbp, agno); + cur = xfs_inobt_init_cursor(mp, tp, agbp, agno, XFS_BTNUM_INO); error = xfs_inobt_lookup(cur, agino, XFS_LOOKUP_LE, &i); if (!error) { if (i) diff --git a/fs/xfs/xfs_ialloc_btree.c b/fs/xfs/xfs_ialloc_btree.c index 7e309b1..41e4883 100644 --- a/fs/xfs/xfs_ialloc_btree.c +++ b/fs/xfs/xfs_ialloc_btree.c @@ -49,7 +49,8 @@ xfs_inobt_dup_cursor( struct xfs_btree_cur *cur) { return xfs_inobt_init_cursor(cur->bc_mp, cur->bc_tp, - cur->bc_private.a.agbp, cur->bc_private.a.agno); + cur->bc_private.a.agbp, cur->bc_private.a.agno, + cur->bc_btnum); } STATIC void @@ -325,7 +326,8 @@ xfs_inobt_init_cursor( struct xfs_mount *mp, /* file system mount point */ struct xfs_trans *tp, /* transaction pointer */ struct xfs_buf *agbp, /* buffer for agi structure */ - xfs_agnumber_t agno) /* allocation group number */ + xfs_agnumber_t agno, /* allocation group number */ + xfs_btnum_t btnum) /* ialloc or free ino btree */ { struct xfs_agi *agi = XFS_BUF_TO_AGI(agbp); struct xfs_btree_cur *cur; @@ -335,7 +337,7 @@ xfs_inobt_init_cursor( cur->bc_tp = tp; cur->bc_mp = mp; cur->bc_nlevels = be32_to_cpu(agi->agi_level); - cur->bc_btnum = XFS_BTNUM_INO; + cur->bc_btnum = btnum; cur->bc_blocklog = mp->m_sb.sb_blocklog; cur->bc_ops = &xfs_inobt_ops; diff --git a/fs/xfs/xfs_ialloc_btree.h b/fs/xfs/xfs_ialloc_btree.h index f38b220..d7ebea72 100644 --- a/fs/xfs/xfs_ialloc_btree.h +++ b/fs/xfs/xfs_ialloc_btree.h @@ -58,7 +58,8 @@ struct xfs_mount; ((index) - 1) * sizeof(xfs_inobt_ptr_t))) extern struct xfs_btree_cur *xfs_inobt_init_cursor(struct xfs_mount *, - struct xfs_trans *, struct xfs_buf *, xfs_agnumber_t); + struct xfs_trans *, struct xfs_buf *, xfs_agnumber_t, + xfs_btnum_t); extern int xfs_inobt_maxrecs(struct xfs_mount *, int, int); #endif /* __XFS_IALLOC_BTREE_H__ */ diff --git a/fs/xfs/xfs_itable.c b/fs/xfs/xfs_itable.c index f463382..cb64f22 100644 --- a/fs/xfs/xfs_itable.c +++ b/fs/xfs/xfs_itable.c @@ -270,7 +270,8 @@ xfs_bulkstat( /* * Allocate and initialize a btree cursor for ialloc btree. */ - cur = xfs_inobt_init_cursor(mp, NULL, agbp, agno); + cur = xfs_inobt_init_cursor(mp, NULL, agbp, agno, + XFS_BTNUM_INO); irbp = irbuf; irbufend = irbuf + nirbuf; end_of_ag = 0; @@ -621,7 +622,8 @@ xfs_inumbers( agino = 0; continue; } - cur = xfs_inobt_init_cursor(mp, NULL, agbp, agno); + cur = xfs_inobt_init_cursor(mp, NULL, agbp, agno, + XFS_BTNUM_INO); error = xfs_inobt_lookup(cur, agino, XFS_LOOKUP_GE, &tmp); if (error) { -- 1.8.3.1 From bfoster@redhat.com Thu Apr 10 11:08:46 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 014C07F87 for ; Thu, 10 Apr 2014 11:08:41 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id D21458F8040 for ; Thu, 10 Apr 2014 09:08:41 -0700 (PDT) X-ASG-Debug-ID: 1397146121-04cbb00dc3a27f0001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id TIFqRAS0vMw47KTy for ; Thu, 10 Apr 2014 09:08:41 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx09.intmail.prod.int.phx2.redhat.com (int-mx09.intmail.prod.int.phx2.redhat.com [10.5.11.22]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3AG8eVw002909 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Thu, 10 Apr 2014 12:08:40 -0400 Received: from bfoster.bfoster ([10.18.41.237]) by int-mx09.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s3AG8dJo022375 for ; Thu, 10 Apr 2014 12:08:40 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id BDB631256CE; Thu, 10 Apr 2014 12:08:38 -0400 (EDT) From: Brian Foster To: xfs@oss.sgi.com Subject: [PATCH v5 10/11] xfs: report finobt status in fs geometry Date: Thu, 10 Apr 2014 12:08:35 -0400 X-ASG-Orig-Subj: [PATCH v5 10/11] xfs: report finobt status in fs geometry Message-Id: <1397146116-42546-11-git-send-email-bfoster@redhat.com> In-Reply-To: <1397146116-42546-1-git-send-email-bfoster@redhat.com> References: <1397146116-42546-1-git-send-email-bfoster@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.22 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1397146121 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 Define the XFS_FSOP_GEOM_FLAGS_FINOBT fs geometry flag and set the associated bit if the filesystem supports the free inode btree. Reviewed-by: Dave Chinner Signed-off-by: Brian Foster --- fs/xfs/xfs_fs.h | 1 + fs/xfs/xfs_fsops.c | 4 +++- 2 files changed, 4 insertions(+), 1 deletion(-) diff --git a/fs/xfs/xfs_fs.h b/fs/xfs/xfs_fs.h index c5fc116..d34703d 100644 --- a/fs/xfs/xfs_fs.h +++ b/fs/xfs/xfs_fs.h @@ -238,6 +238,7 @@ typedef struct xfs_fsop_resblks { #define XFS_FSOP_GEOM_FLAGS_LAZYSB 0x4000 /* lazy superblock counters */ #define XFS_FSOP_GEOM_FLAGS_V5SB 0x8000 /* version 5 superblock */ #define XFS_FSOP_GEOM_FLAGS_FTYPE 0x10000 /* inode directory types */ +#define XFS_FSOP_GEOM_FLAGS_FINOBT 0x20000 /* free inode btree */ /* * Minimum and maximum sizes need for growth checks. diff --git a/fs/xfs/xfs_fsops.c b/fs/xfs/xfs_fsops.c index 96e4eb0..3445ead 100644 --- a/fs/xfs/xfs_fsops.c +++ b/fs/xfs/xfs_fsops.c @@ -104,7 +104,9 @@ xfs_fs_geometry( (xfs_sb_version_hascrc(&mp->m_sb) ? XFS_FSOP_GEOM_FLAGS_V5SB : 0) | (xfs_sb_version_hasftype(&mp->m_sb) ? - XFS_FSOP_GEOM_FLAGS_FTYPE : 0); + XFS_FSOP_GEOM_FLAGS_FTYPE : 0) | + (xfs_sb_version_hasfinobt(&mp->m_sb) ? + XFS_FSOP_GEOM_FLAGS_FINOBT : 0); geo->logsectsize = xfs_sb_version_hassector(&mp->m_sb) ? mp->m_sb.sb_logsectsize : BBSIZE; geo->rtsectsize = mp->m_sb.sb_blocksize; -- 1.8.3.1 From bfoster@redhat.com Thu Apr 10 11:08:47 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id AA8937FA4 for ; Thu, 10 Apr 2014 11:08:43 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 4D3DFAC00F for ; Thu, 10 Apr 2014 09:08:43 -0700 (PDT) X-ASG-Debug-ID: 1397146118-04cb6c77b69ee40001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id Ro1p2hzkWAWXMvJh for ; Thu, 10 Apr 2014 09:08:39 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx02.intmail.prod.int.phx2.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3AG8clJ002817 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Thu, 10 Apr 2014 12:08:38 -0400 Received: from bfoster.bfoster ([10.18.41.237]) by int-mx02.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id s3AG8cFX031924 for ; Thu, 10 Apr 2014 12:08:38 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id AE2181256CE; Thu, 10 Apr 2014 12:08:36 -0400 (EDT) From: Brian Foster To: xfs@oss.sgi.com Subject: [PATCH v5 00/11] xfs: introduce the free inode btree Date: Thu, 10 Apr 2014 12:08:25 -0400 X-ASG-Orig-Subj: [PATCH v5 00/11] xfs: introduce the free inode btree Message-Id: <1397146116-42546-1-git-send-email-bfoster@redhat.com> X-Scanned-By: MIMEDefang 2.67 on 10.5.11.12 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1397146119 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 Hi all, This is a minor rebase of the finobt series on the latest for-next branch. The previous version (v4) is here: http://oss.sgi.com/archives/xfs/2014-02/msg00763.html The most recent series with review feedback is v3: http://oss.sgi.com/archives/xfs/2014-02/msg00121.html Brian v5: - Rebase to latest for-next. v4: - Fixed up comments associated with separation of the AGI into separate logging regions. - Added warning on ENOSPC failure of ifree reservation and comment describing reasoning for ifree being reserve-enabled. - Removed finobt res. from xfs_calc_create_resv_alloc() (v4 sb only). - Updated xfs_calc_finobt_res() to account for free space btrees and enable for inode alloc. record modification scenario. - Renamed xfs_dialloc_ag_slow() to xfs_dialloc_ag_inobt(). - Refactored the inode allocation algorithm into several smaller helper functions. - Fixed up comments in xfs_difree_finobt(). v3: - Rebased to latest master. - Fixed up unused variable warning in xfs_difree_inobt(). - Replaced a few more typedefs. v2: - Rebase to latest xfs tree (minor shifting around of some header bits). - Added "xfs: report finobt status in fs geometry" patch to series. v1: - Separate patch to enable rw finobt support at end of series. - Rework xfs_ialloc_log_agi() to log the agi in two distinct regions. - Rework xfs_ialloc_btree.c changes to use separate finobt handlers where appropriate. - Fix bug to show fibt2 stats data in stat proc file. - Move finobt log reservation calculations into separate helper, made conditional and merged to a single patch. - Use reserved block pool in xfs_inactive() codepath instead of flush. - Moved and cleaned up xfs_inobt_insert() to use inobt helpers. - Enhanced lookup algorithm for allocation (xfs_dialloc_ag()). - Refactored xfs_difree() to use xfs_difree_inobt() and xfs_difree_finobt(), cleaned up the latter. Brian Foster (11): xfs: refactor xfs_ialloc_btree.c to support multiple inobt numbers xfs: reserve v5 superblock read-only compat. feature bit for finobt xfs: support the XFS_BTNUM_FINOBT free inode btree type xfs: update inode allocation/free transaction reservations for finobt xfs: insert newly allocated inode chunks into the finobt xfs: use and update the finobt on inode allocation xfs: refactor xfs_difree() inobt bits into xfs_difree_inobt() helper xfs: update the finobt on inode free xfs: add finobt support to growfs xfs: report finobt status in fs geometry xfs: enable the finobt feature on v5 superblocks fs/xfs/xfs_ag.h | 36 ++- fs/xfs/xfs_btree.c | 6 +- fs/xfs/xfs_btree.h | 3 + fs/xfs/xfs_format.h | 14 +- fs/xfs/xfs_fs.h | 1 + fs/xfs/xfs_fsops.c | 36 ++- fs/xfs/xfs_ialloc.c | 695 +++++++++++++++++++++++++++++++++++++++------- fs/xfs/xfs_ialloc_btree.c | 68 ++++- fs/xfs/xfs_ialloc_btree.h | 3 +- fs/xfs/xfs_inode.c | 25 +- fs/xfs/xfs_itable.c | 6 +- fs/xfs/xfs_log_recover.c | 2 + fs/xfs/xfs_sb.h | 10 +- fs/xfs/xfs_stats.c | 1 + fs/xfs/xfs_stats.h | 18 +- fs/xfs/xfs_trans_resv.c | 53 +++- fs/xfs/xfs_trans_space.h | 7 +- fs/xfs/xfs_types.h | 2 +- 18 files changed, 850 insertions(+), 136 deletions(-) -- 1.8.3.1 From bfoster@redhat.com Thu Apr 10 11:08:47 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 98FB87F9B for ; Thu, 10 Apr 2014 11:08:43 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id 8426F30405F for ; Thu, 10 Apr 2014 09:08:40 -0700 (PDT) X-ASG-Debug-ID: 1397146119-04cbb00dc5a27e0001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id OQKZrZlluo9UgG2Z for ; Thu, 10 Apr 2014 09:08:39 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx09.intmail.prod.int.phx2.redhat.com (int-mx09.intmail.prod.int.phx2.redhat.com [10.5.11.22]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3AG8djJ030623 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Thu, 10 Apr 2014 12:08:39 -0400 Received: from bfoster.bfoster ([10.18.41.237]) by int-mx09.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s3AG8caD022362 for ; Thu, 10 Apr 2014 12:08:38 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id 785E41256D4; Thu, 10 Apr 2014 12:08:36 -0400 (EDT) From: Brian Foster To: xfs@oss.sgi.com Subject: [PATCH v5 03/11] xfs: support the XFS_BTNUM_FINOBT free inode btree type Date: Thu, 10 Apr 2014 12:08:28 -0400 X-ASG-Orig-Subj: [PATCH v5 03/11] xfs: support the XFS_BTNUM_FINOBT free inode btree type Message-Id: <1397146116-42546-4-git-send-email-bfoster@redhat.com> In-Reply-To: <1397146116-42546-1-git-send-email-bfoster@redhat.com> References: <1397146116-42546-1-git-send-email-bfoster@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.22 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1397146119 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 Define the AGI fields for the finobt root/level and add magic numbers. Update the btree code to add support for the new XFS_BTNUM_FINOBT inode btree. The finobt root block is reserved immediately following the inobt root block in the AG. Update XFS_PREALLOC_BLOCKS() to determine the starting AG data block based on whether finobt support is enabled. Signed-off-by: Brian Foster --- fs/xfs/xfs_ag.h | 36 +++++++++++++++++----------- fs/xfs/xfs_btree.c | 6 +++-- fs/xfs/xfs_btree.h | 3 +++ fs/xfs/xfs_format.h | 14 ++++++++++- fs/xfs/xfs_ialloc.c | 38 +++++++++++++++++++++++++----- fs/xfs/xfs_ialloc_btree.c | 60 +++++++++++++++++++++++++++++++++++++++++++++-- fs/xfs/xfs_log_recover.c | 2 ++ fs/xfs/xfs_stats.c | 1 + fs/xfs/xfs_stats.h | 18 +++++++++++++- fs/xfs/xfs_types.h | 2 +- 10 files changed, 153 insertions(+), 27 deletions(-) diff --git a/fs/xfs/xfs_ag.h b/fs/xfs/xfs_ag.h index 0fdd410..6e247a9 100644 --- a/fs/xfs/xfs_ag.h +++ b/fs/xfs/xfs_ag.h @@ -160,30 +160,38 @@ typedef struct xfs_agi { * still being referenced. */ __be32 agi_unlinked[XFS_AGI_UNLINKED_BUCKETS]; - + /* + * This marks the end of logging region 1 and start of logging region 2. + */ uuid_t agi_uuid; /* uuid of filesystem */ __be32 agi_crc; /* crc of agi sector */ __be32 agi_pad32; __be64 agi_lsn; /* last write sequence */ + __be32 agi_free_root; /* root of the free inode btree */ + __be32 agi_free_level;/* levels in free inode btree */ + /* structure must be padded to 64 bit alignment */ } xfs_agi_t; #define XFS_AGI_CRC_OFF offsetof(struct xfs_agi, agi_crc) -#define XFS_AGI_MAGICNUM 0x00000001 -#define XFS_AGI_VERSIONNUM 0x00000002 -#define XFS_AGI_SEQNO 0x00000004 -#define XFS_AGI_LENGTH 0x00000008 -#define XFS_AGI_COUNT 0x00000010 -#define XFS_AGI_ROOT 0x00000020 -#define XFS_AGI_LEVEL 0x00000040 -#define XFS_AGI_FREECOUNT 0x00000080 -#define XFS_AGI_NEWINO 0x00000100 -#define XFS_AGI_DIRINO 0x00000200 -#define XFS_AGI_UNLINKED 0x00000400 -#define XFS_AGI_NUM_BITS 11 -#define XFS_AGI_ALL_BITS ((1 << XFS_AGI_NUM_BITS) - 1) +#define XFS_AGI_MAGICNUM (1 << 0) +#define XFS_AGI_VERSIONNUM (1 << 1) +#define XFS_AGI_SEQNO (1 << 2) +#define XFS_AGI_LENGTH (1 << 3) +#define XFS_AGI_COUNT (1 << 4) +#define XFS_AGI_ROOT (1 << 5) +#define XFS_AGI_LEVEL (1 << 6) +#define XFS_AGI_FREECOUNT (1 << 7) +#define XFS_AGI_NEWINO (1 << 8) +#define XFS_AGI_DIRINO (1 << 9) +#define XFS_AGI_UNLINKED (1 << 10) +#define XFS_AGI_NUM_BITS_R1 11 /* end of the 1st agi logging region */ +#define XFS_AGI_ALL_BITS_R1 ((1 << XFS_AGI_NUM_BITS_R1) - 1) +#define XFS_AGI_FREE_ROOT (1 << 11) +#define XFS_AGI_FREE_LEVEL (1 << 12) +#define XFS_AGI_NUM_BITS_R2 13 /* disk block (xfs_daddr_t) in the AG */ #define XFS_AGI_DADDR(mp) ((xfs_daddr_t)(2 << (mp)->m_sectbb_log)) diff --git a/fs/xfs/xfs_btree.c b/fs/xfs/xfs_btree.c index e80d59f..b920745 100644 --- a/fs/xfs/xfs_btree.c +++ b/fs/xfs/xfs_btree.c @@ -43,9 +43,10 @@ kmem_zone_t *xfs_btree_cur_zone; * Btree magic numbers. */ static const __uint32_t xfs_magics[2][XFS_BTNUM_MAX] = { - { XFS_ABTB_MAGIC, XFS_ABTC_MAGIC, XFS_BMAP_MAGIC, XFS_IBT_MAGIC }, + { XFS_ABTB_MAGIC, XFS_ABTC_MAGIC, XFS_BMAP_MAGIC, XFS_IBT_MAGIC, + XFS_FIBT_MAGIC }, { XFS_ABTB_CRC_MAGIC, XFS_ABTC_CRC_MAGIC, - XFS_BMAP_CRC_MAGIC, XFS_IBT_CRC_MAGIC } + XFS_BMAP_CRC_MAGIC, XFS_IBT_CRC_MAGIC, XFS_FIBT_CRC_MAGIC } }; #define xfs_btree_magic(cur) \ xfs_magics[!!((cur)->bc_flags & XFS_BTREE_CRC_BLOCKS)][cur->bc_btnum] @@ -1115,6 +1116,7 @@ xfs_btree_set_refs( xfs_buf_set_ref(bp, XFS_ALLOC_BTREE_REF); break; case XFS_BTNUM_INO: + case XFS_BTNUM_FINO: xfs_buf_set_ref(bp, XFS_INO_BTREE_REF); break; case XFS_BTNUM_BMAP: diff --git a/fs/xfs/xfs_btree.h b/fs/xfs/xfs_btree.h index 91e34f2..d2ac586 100644 --- a/fs/xfs/xfs_btree.h +++ b/fs/xfs/xfs_btree.h @@ -62,6 +62,7 @@ union xfs_btree_rec { #define XFS_BTNUM_CNT ((xfs_btnum_t)XFS_BTNUM_CNTi) #define XFS_BTNUM_BMAP ((xfs_btnum_t)XFS_BTNUM_BMAPi) #define XFS_BTNUM_INO ((xfs_btnum_t)XFS_BTNUM_INOi) +#define XFS_BTNUM_FINO ((xfs_btnum_t)XFS_BTNUM_FINOi) /* * For logging record fields. @@ -92,6 +93,7 @@ do { \ case XFS_BTNUM_CNT: __XFS_BTREE_STATS_INC(abtc, stat); break; \ case XFS_BTNUM_BMAP: __XFS_BTREE_STATS_INC(bmbt, stat); break; \ case XFS_BTNUM_INO: __XFS_BTREE_STATS_INC(ibt, stat); break; \ + case XFS_BTNUM_FINO: __XFS_BTREE_STATS_INC(fibt, stat); break; \ case XFS_BTNUM_MAX: ASSERT(0); /* fucking gcc */ ; break; \ } \ } while (0) @@ -105,6 +107,7 @@ do { \ case XFS_BTNUM_CNT: __XFS_BTREE_STATS_ADD(abtc, stat, val); break; \ case XFS_BTNUM_BMAP: __XFS_BTREE_STATS_ADD(bmbt, stat, val); break; \ case XFS_BTNUM_INO: __XFS_BTREE_STATS_ADD(ibt, stat, val); break; \ + case XFS_BTNUM_FINO: __XFS_BTREE_STATS_ADD(fibt, stat, val); break; \ case XFS_BTNUM_MAX: ASSERT(0); /* fucking gcc */ ; break; \ } \ } while (0) diff --git a/fs/xfs/xfs_format.h b/fs/xfs/xfs_format.h index 9898f31..34d85ac 100644 --- a/fs/xfs/xfs_format.h +++ b/fs/xfs/xfs_format.h @@ -202,6 +202,8 @@ typedef __be32 xfs_alloc_ptr_t; */ #define XFS_IBT_MAGIC 0x49414254 /* 'IABT' */ #define XFS_IBT_CRC_MAGIC 0x49414233 /* 'IAB3' */ +#define XFS_FIBT_MAGIC 0x46494254 /* 'FIBT' */ +#define XFS_FIBT_CRC_MAGIC 0x46494233 /* 'FIB3' */ typedef __uint64_t xfs_inofree_t; #define XFS_INODES_PER_CHUNK (NBBY * sizeof(xfs_inofree_t)) @@ -244,7 +246,17 @@ typedef __be32 xfs_inobt_ptr_t; * block numbers in the AG. */ #define XFS_IBT_BLOCK(mp) ((xfs_agblock_t)(XFS_CNT_BLOCK(mp) + 1)) -#define XFS_PREALLOC_BLOCKS(mp) ((xfs_agblock_t)(XFS_IBT_BLOCK(mp) + 1)) +#define XFS_FIBT_BLOCK(mp) ((xfs_agblock_t)(XFS_IBT_BLOCK(mp) + 1)) + +/* + * The first data block of an AG depends on whether the filesystem was formatted + * with the finobt feature. If so, account for the finobt reserved root btree + * block. + */ +#define XFS_PREALLOC_BLOCKS(mp) \ + (xfs_sb_version_hasfinobt(&((mp)->m_sb)) ? \ + XFS_FIBT_BLOCK(mp) + 1 : \ + XFS_IBT_BLOCK(mp) + 1) diff --git a/fs/xfs/xfs_ialloc.c b/fs/xfs/xfs_ialloc.c index e676572..a0aead5 100644 --- a/fs/xfs/xfs_ialloc.c +++ b/fs/xfs/xfs_ialloc.c @@ -1488,7 +1488,16 @@ xfs_ialloc_compute_maxlevels( } /* - * Log specified fields for the ag hdr (inode section) + * Log specified fields for the ag hdr (inode section). The growth of the agi + * structure over time requires that we interpret the buffer as two logical + * regions delineated by the end of the unlinked list. This is due to the size + * of the hash table and its location in the middle of the agi. + * + * For example, a request to log a field before agi_unlinked and a field after + * agi_unlinked could cause us to log the entire hash table and use an excessive + * amount of log space. To avoid this behavior, log the region up through + * agi_unlinked in one call and the region after agi_unlinked through the end of + * the structure in another. */ void xfs_ialloc_log_agi( @@ -1511,6 +1520,8 @@ xfs_ialloc_log_agi( offsetof(xfs_agi_t, agi_newino), offsetof(xfs_agi_t, agi_dirino), offsetof(xfs_agi_t, agi_unlinked), + offsetof(xfs_agi_t, agi_free_root), + offsetof(xfs_agi_t, agi_free_level), sizeof(xfs_agi_t) }; #ifdef DEBUG @@ -1519,15 +1530,30 @@ xfs_ialloc_log_agi( agi = XFS_BUF_TO_AGI(bp); ASSERT(agi->agi_magicnum == cpu_to_be32(XFS_AGI_MAGIC)); #endif + + xfs_trans_buf_set_type(tp, bp, XFS_BLFT_AGI_BUF); + /* - * Compute byte offsets for the first and last fields. + * Compute byte offsets for the first and last fields in the first + * region and log the agi buffer. This only logs up through + * agi_unlinked. */ - xfs_btree_offsets(fields, offsets, XFS_AGI_NUM_BITS, &first, &last); + if (fields & XFS_AGI_ALL_BITS_R1) { + xfs_btree_offsets(fields, offsets, XFS_AGI_NUM_BITS_R1, + &first, &last); + xfs_trans_log_buf(tp, bp, first, last); + } + /* - * Log the allocation group inode header buffer. + * Mask off the bits in the first region and calculate the first and + * last field offsets for any bits in the second region. */ - xfs_trans_buf_set_type(tp, bp, XFS_BLFT_AGI_BUF); - xfs_trans_log_buf(tp, bp, first, last); + fields &= ~XFS_AGI_ALL_BITS_R1; + if (fields) { + xfs_btree_offsets(fields, offsets, XFS_AGI_NUM_BITS_R2, + &first, &last); + xfs_trans_log_buf(tp, bp, first, last); + } } #ifdef DEBUG diff --git a/fs/xfs/xfs_ialloc_btree.c b/fs/xfs/xfs_ialloc_btree.c index 41e4883..3789c6f 100644 --- a/fs/xfs/xfs_ialloc_btree.c +++ b/fs/xfs/xfs_ialloc_btree.c @@ -67,6 +67,21 @@ xfs_inobt_set_root( xfs_ialloc_log_agi(cur->bc_tp, agbp, XFS_AGI_ROOT | XFS_AGI_LEVEL); } +STATIC void +xfs_finobt_set_root( + struct xfs_btree_cur *cur, + union xfs_btree_ptr *nptr, + int inc) /* level change */ +{ + struct xfs_buf *agbp = cur->bc_private.a.agbp; + struct xfs_agi *agi = XFS_BUF_TO_AGI(agbp); + + agi->agi_free_root = nptr->s; + be32_add_cpu(&agi->agi_free_level, inc); + xfs_ialloc_log_agi(cur->bc_tp, agbp, + XFS_AGI_FREE_ROOT | XFS_AGI_FREE_LEVEL); +} + STATIC int xfs_inobt_alloc_block( struct xfs_btree_cur *cur, @@ -174,6 +189,17 @@ xfs_inobt_init_ptr_from_cur( ptr->s = agi->agi_root; } +STATIC void +xfs_finobt_init_ptr_from_cur( + struct xfs_btree_cur *cur, + union xfs_btree_ptr *ptr) +{ + struct xfs_agi *agi = XFS_BUF_TO_AGI(cur->bc_private.a.agbp); + + ASSERT(cur->bc_private.a.agno == be32_to_cpu(agi->agi_seqno)); + ptr->s = agi->agi_free_root; +} + STATIC __int64_t xfs_inobt_key_diff( struct xfs_btree_cur *cur, @@ -204,6 +230,7 @@ xfs_inobt_verify( */ switch (block->bb_magic) { case cpu_to_be32(XFS_IBT_CRC_MAGIC): + case cpu_to_be32(XFS_FIBT_CRC_MAGIC): if (!xfs_sb_version_hascrc(&mp->m_sb)) return false; if (!uuid_equal(&block->bb_u.s.bb_uuid, &mp->m_sb.sb_uuid)) @@ -215,6 +242,7 @@ xfs_inobt_verify( return false; /* fall through */ case cpu_to_be32(XFS_IBT_MAGIC): + case cpu_to_be32(XFS_FIBT_MAGIC): break; default: return 0; @@ -318,6 +346,28 @@ static const struct xfs_btree_ops xfs_inobt_ops = { #endif }; +static const struct xfs_btree_ops xfs_finobt_ops = { + .rec_len = sizeof(xfs_inobt_rec_t), + .key_len = sizeof(xfs_inobt_key_t), + + .dup_cursor = xfs_inobt_dup_cursor, + .set_root = xfs_finobt_set_root, + .alloc_block = xfs_inobt_alloc_block, + .free_block = xfs_inobt_free_block, + .get_minrecs = xfs_inobt_get_minrecs, + .get_maxrecs = xfs_inobt_get_maxrecs, + .init_key_from_rec = xfs_inobt_init_key_from_rec, + .init_rec_from_key = xfs_inobt_init_rec_from_key, + .init_rec_from_cur = xfs_inobt_init_rec_from_cur, + .init_ptr_from_cur = xfs_finobt_init_ptr_from_cur, + .key_diff = xfs_inobt_key_diff, + .buf_ops = &xfs_inobt_buf_ops, +#if defined(DEBUG) || defined(XFS_WARN) + .keys_inorder = xfs_inobt_keys_inorder, + .recs_inorder = xfs_inobt_recs_inorder, +#endif +}; + /* * Allocate a new inode btree cursor. */ @@ -336,11 +386,17 @@ xfs_inobt_init_cursor( cur->bc_tp = tp; cur->bc_mp = mp; - cur->bc_nlevels = be32_to_cpu(agi->agi_level); cur->bc_btnum = btnum; + if (btnum == XFS_BTNUM_INO) { + cur->bc_nlevels = be32_to_cpu(agi->agi_level); + cur->bc_ops = &xfs_inobt_ops; + } else { + cur->bc_nlevels = be32_to_cpu(agi->agi_free_level); + cur->bc_ops = &xfs_finobt_ops; + } + cur->bc_blocklog = mp->m_sb.sb_blocklog; - cur->bc_ops = &xfs_inobt_ops; if (xfs_sb_version_hascrc(&mp->m_sb)) cur->bc_flags |= XFS_BTREE_CRC_BLOCKS; diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c index bce53ac..f7843df 100644 --- a/fs/xfs/xfs_log_recover.c +++ b/fs/xfs/xfs_log_recover.c @@ -2138,7 +2138,9 @@ xlog_recover_validate_buf_type( bp->b_ops = &xfs_allocbt_buf_ops; break; case XFS_IBT_CRC_MAGIC: + case XFS_FIBT_CRC_MAGIC: case XFS_IBT_MAGIC: + case XFS_FIBT_MAGIC: bp->b_ops = &xfs_inobt_buf_ops; break; case XFS_BMAP_CRC_MAGIC: diff --git a/fs/xfs/xfs_stats.c b/fs/xfs/xfs_stats.c index ce372b7..f224038 100644 --- a/fs/xfs/xfs_stats.c +++ b/fs/xfs/xfs_stats.c @@ -59,6 +59,7 @@ static int xfs_stat_proc_show(struct seq_file *m, void *v) { "abtc2", XFSSTAT_END_ABTC_V2 }, { "bmbt2", XFSSTAT_END_BMBT_V2 }, { "ibt2", XFSSTAT_END_IBT_V2 }, + { "fibt2", XFSSTAT_END_FIBT_V2 }, /* we print both series of quota information together */ { "qm", XFSSTAT_END_QM }, }; diff --git a/fs/xfs/xfs_stats.h b/fs/xfs/xfs_stats.h index c03ad38..c8f238b 100644 --- a/fs/xfs/xfs_stats.h +++ b/fs/xfs/xfs_stats.h @@ -183,7 +183,23 @@ struct xfsstats { __uint32_t xs_ibt_2_alloc; __uint32_t xs_ibt_2_free; __uint32_t xs_ibt_2_moves; -#define XFSSTAT_END_XQMSTAT (XFSSTAT_END_IBT_V2+6) +#define XFSSTAT_END_FIBT_V2 (XFSSTAT_END_IBT_V2+15) + __uint32_t xs_fibt_2_lookup; + __uint32_t xs_fibt_2_compare; + __uint32_t xs_fibt_2_insrec; + __uint32_t xs_fibt_2_delrec; + __uint32_t xs_fibt_2_newroot; + __uint32_t xs_fibt_2_killroot; + __uint32_t xs_fibt_2_increment; + __uint32_t xs_fibt_2_decrement; + __uint32_t xs_fibt_2_lshift; + __uint32_t xs_fibt_2_rshift; + __uint32_t xs_fibt_2_split; + __uint32_t xs_fibt_2_join; + __uint32_t xs_fibt_2_alloc; + __uint32_t xs_fibt_2_free; + __uint32_t xs_fibt_2_moves; +#define XFSSTAT_END_XQMSTAT (XFSSTAT_END_FIBT_V2+6) __uint32_t xs_qm_dqreclaims; __uint32_t xs_qm_dqreclaim_misses; __uint32_t xs_qm_dquot_dups; diff --git a/fs/xfs/xfs_types.h b/fs/xfs/xfs_types.h index 82bbc34..65c6e66 100644 --- a/fs/xfs/xfs_types.h +++ b/fs/xfs/xfs_types.h @@ -134,7 +134,7 @@ typedef enum { typedef enum { XFS_BTNUM_BNOi, XFS_BTNUM_CNTi, XFS_BTNUM_BMAPi, XFS_BTNUM_INOi, - XFS_BTNUM_MAX + XFS_BTNUM_FINOi, XFS_BTNUM_MAX } xfs_btnum_t; struct xfs_name { -- 1.8.3.1 From bfoster@redhat.com Thu Apr 10 11:08:48 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 182817FA5 for ; Thu, 10 Apr 2014 11:08:44 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id D6F238F8040 for ; Thu, 10 Apr 2014 09:08:40 -0700 (PDT) X-ASG-Debug-ID: 1397146119-04bdf07dc7a3d10001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id OsFF8KmKJjPgwEY1 for ; Thu, 10 Apr 2014 09:08:39 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx10.intmail.prod.int.phx2.redhat.com (int-mx10.intmail.prod.int.phx2.redhat.com [10.5.11.23]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3AG8dSU030627 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Thu, 10 Apr 2014 12:08:39 -0400 Received: from bfoster.bfoster ([10.18.41.237]) by int-mx10.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s3AG8dpF013380 for ; Thu, 10 Apr 2014 12:08:39 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id CADB61256CE; Thu, 10 Apr 2014 12:08:37 -0400 (EDT) From: Brian Foster To: xfs@oss.sgi.com Subject: [PATCH v5 06/11] xfs: use and update the finobt on inode allocation Date: Thu, 10 Apr 2014 12:08:31 -0400 X-ASG-Orig-Subj: [PATCH v5 06/11] xfs: use and update the finobt on inode allocation Message-Id: <1397146116-42546-7-git-send-email-bfoster@redhat.com> In-Reply-To: <1397146116-42546-1-git-send-email-bfoster@redhat.com> References: <1397146116-42546-1-git-send-email-bfoster@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.23 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1397146119 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 Replace xfs_dialloc_ag() with an implementation that looks for a record in the finobt. The finobt only tracks records with at least one free inode. This eliminates the need for the intra-ag scan in the original algorithm. Once the inode is allocated, update the finobt appropriately (possibly removing the record) as well as the inobt. Move the original xfs_dialloc_ag() algorithm to xfs_dialloc_ag_inobt() and fall back as such if finobt support is not enabled. Signed-off-by: Brian Foster --- fs/xfs/xfs_ialloc.c | 295 +++++++++++++++++++++++++++++++++++++++++++++++++++- 1 file changed, 290 insertions(+), 5 deletions(-) diff --git a/fs/xfs/xfs_ialloc.c b/fs/xfs/xfs_ialloc.c index 203db98..8982c88 100644 --- a/fs/xfs/xfs_ialloc.c +++ b/fs/xfs/xfs_ialloc.c @@ -722,13 +722,10 @@ xfs_ialloc_get_rec( } /* - * Allocate an inode. - * - * The caller selected an AG for us, and made sure that free inodes are - * available. + * Allocate an inode using the inobt-only algorithm. */ STATIC int -xfs_dialloc_ag( +xfs_dialloc_ag_inobt( struct xfs_trans *tp, struct xfs_buf *agbp, xfs_ino_t parent, @@ -987,6 +984,294 @@ error0: } /* + * Use the free inode btree to allocate an inode based on distance from the + * parent. Note that the provided cursor may be deleted and replaced. + */ +STATIC int +xfs_dialloc_ag_finobt_near( + xfs_agino_t pagino, + struct xfs_btree_cur **ocur, + struct xfs_inobt_rec_incore *rec) +{ + struct xfs_btree_cur *lcur = *ocur; /* left search cursor */ + struct xfs_btree_cur *rcur; /* right search cursor */ + struct xfs_inobt_rec_incore rrec; + int error; + int i, j; + + error = xfs_inobt_lookup(lcur, pagino, XFS_LOOKUP_LE, &i); + if (error) + return error; + + if (i == 1) { + error = xfs_inobt_get_rec(lcur, rec, &i); + if (error) + return error; + XFS_WANT_CORRUPTED_RETURN(i == 1); + + /* + * See if we've landed in the parent inode record. The finobt + * only tracks chunks with at least one free inode, so record + * existence is enough. + */ + if (pagino >= rec->ir_startino && + pagino < (rec->ir_startino + XFS_INODES_PER_CHUNK)) + return 0; + } + + error = xfs_btree_dup_cursor(lcur, &rcur); + if (error) + return error; + + error = xfs_inobt_lookup(rcur, pagino, XFS_LOOKUP_GE, &j); + if (error) + goto error_rcur; + if (j == 1) { + error = xfs_inobt_get_rec(rcur, &rrec, &j); + if (error) + goto error_rcur; + XFS_WANT_CORRUPTED_GOTO(j == 1, error_rcur); + } + + XFS_WANT_CORRUPTED_GOTO(i == 1 || j == 1, error_rcur); + if (i == 1 && j == 1) { + /* + * Both the left and right records are valid. Choose the closer + * inode chunk to the target. + */ + if ((pagino - rec->ir_startino + XFS_INODES_PER_CHUNK - 1) > + (rrec.ir_startino - pagino)) { + *rec = rrec; + xfs_btree_del_cursor(lcur, XFS_BTREE_NOERROR); + *ocur = rcur; + } else { + xfs_btree_del_cursor(rcur, XFS_BTREE_NOERROR); + } + } else if (j == 1) { + /* only the right record is valid */ + *rec = rrec; + xfs_btree_del_cursor(lcur, XFS_BTREE_NOERROR); + *ocur = rcur; + } else if (i == 1) { + /* only the left record is valid */ + xfs_btree_del_cursor(rcur, XFS_BTREE_NOERROR); + } + + return 0; + +error_rcur: + xfs_btree_del_cursor(rcur, XFS_BTREE_ERROR); + return error; +} + +/* + * Use the free inode btree to find a free inode based on a newino hint. If + * the hint is NULL, find the first free inode in the AG. + */ +STATIC int +xfs_dialloc_ag_finobt_newino( + struct xfs_agi *agi, + struct xfs_btree_cur *cur, + struct xfs_inobt_rec_incore *rec) +{ + int error; + int i; + + if (agi->agi_newino != cpu_to_be32(NULLAGINO)) { + error = xfs_inobt_lookup(cur, agi->agi_newino, XFS_LOOKUP_EQ, + &i); + if (error) + return error; + if (i == 1) { + error = xfs_inobt_get_rec(cur, rec, &i); + if (error) + return error; + XFS_WANT_CORRUPTED_RETURN(i == 1); + + return 0; + } + } + + /* + * Find the first inode available in the AG. + */ + error = xfs_inobt_lookup(cur, 0, XFS_LOOKUP_GE, &i); + if (error) + return error; + XFS_WANT_CORRUPTED_RETURN(i == 1); + + error = xfs_inobt_get_rec(cur, rec, &i); + if (error) + return error; + XFS_WANT_CORRUPTED_RETURN(i == 1); + + return 0; +} + +/* + * Update the inobt based on a modification made to the finobt. Also ensure that + * the records from both trees are equivalent post-modification. + */ +STATIC int +xfs_dialloc_ag_update_inobt( + struct xfs_btree_cur *cur, /* inobt cursor */ + struct xfs_inobt_rec_incore *frec, /* finobt record */ + int offset) /* inode offset */ +{ + struct xfs_inobt_rec_incore rec; + int error; + int i; + + error = xfs_inobt_lookup(cur, frec->ir_startino, XFS_LOOKUP_EQ, &i); + if (error) + return error; + XFS_WANT_CORRUPTED_RETURN(i == 1); + + error = xfs_inobt_get_rec(cur, &rec, &i); + if (error) + return error; + XFS_WANT_CORRUPTED_RETURN(i == 1); + ASSERT((XFS_AGINO_TO_OFFSET(cur->bc_mp, rec.ir_startino) % + XFS_INODES_PER_CHUNK) == 0); + + rec.ir_free &= ~XFS_INOBT_MASK(offset); + rec.ir_freecount--; + + XFS_WANT_CORRUPTED_RETURN((rec.ir_free == frec->ir_free) && + (rec.ir_freecount == frec->ir_freecount)); + + error = xfs_inobt_update(cur, &rec); + if (error) + return error; + + return 0; +} + +/* + * Allocate an inode using the free inode btree, if available. Otherwise, fall + * back to the inobt search algorithm. + * + * The caller selected an AG for us, and made sure that free inodes are + * available. + */ +STATIC int +xfs_dialloc_ag( + struct xfs_trans *tp, + struct xfs_buf *agbp, + xfs_ino_t parent, + xfs_ino_t *inop) +{ + struct xfs_mount *mp = tp->t_mountp; + struct xfs_agi *agi = XFS_BUF_TO_AGI(agbp); + xfs_agnumber_t agno = be32_to_cpu(agi->agi_seqno); + xfs_agnumber_t pagno = XFS_INO_TO_AGNO(mp, parent); + xfs_agino_t pagino = XFS_INO_TO_AGINO(mp, parent); + struct xfs_perag *pag; + struct xfs_btree_cur *cur; /* finobt cursor */ + struct xfs_btree_cur *icur; /* inobt cursor */ + struct xfs_inobt_rec_incore rec; + xfs_ino_t ino; + int error; + int offset; + int i; + + if (!xfs_sb_version_hasfinobt(&mp->m_sb)) + return xfs_dialloc_ag_inobt(tp, agbp, parent, inop); + + pag = xfs_perag_get(mp, agno); + + /* + * If pagino is 0 (this is the root inode allocation) use newino. + * This must work because we've just allocated some. + */ + if (!pagino) + pagino = be32_to_cpu(agi->agi_newino); + + cur = xfs_inobt_init_cursor(mp, tp, agbp, agno, XFS_BTNUM_FINO); + + error = xfs_check_agi_freecount(cur, agi); + if (error) + goto error_cur; + + /* + * The search algorithm depends on whether we're in the same AG as the + * parent. If so, find the closest available inode to the parent. If + * not, consider the agi hint or find the first free inode in the AG. + */ + if (agno == pagno) + error = xfs_dialloc_ag_finobt_near(pagino, &cur, &rec); + else + error = xfs_dialloc_ag_finobt_newino(agi, cur, &rec); + if (error) + goto error_cur; + + offset = xfs_lowbit64(rec.ir_free); + ASSERT(offset >= 0); + ASSERT(offset < XFS_INODES_PER_CHUNK); + ASSERT((XFS_AGINO_TO_OFFSET(mp, rec.ir_startino) % + XFS_INODES_PER_CHUNK) == 0); + ino = XFS_AGINO_TO_INO(mp, agno, rec.ir_startino + offset); + + /* + * Modify or remove the finobt record. + */ + rec.ir_free &= ~XFS_INOBT_MASK(offset); + rec.ir_freecount--; + if (rec.ir_freecount) + error = xfs_inobt_update(cur, &rec); + else + error = xfs_btree_delete(cur, &i); + if (error) + goto error_cur; + + /* + * The finobt has now been updated appropriately. We haven't updated the + * agi and superblock yet, so we can create an inobt cursor and validate + * the original freecount. If all is well, make the equivalent update to + * the inobt using the finobt record and offset information. + */ + icur = xfs_inobt_init_cursor(mp, tp, agbp, agno, XFS_BTNUM_INO); + + error = xfs_check_agi_freecount(icur, agi); + if (error) + goto error_icur; + + error = xfs_dialloc_ag_update_inobt(icur, &rec, offset); + if (error) + goto error_icur; + + /* + * Both trees have now been updated. We must update the perag and + * superblock before we can check the freecount for each btree. + */ + be32_add_cpu(&agi->agi_freecount, -1); + xfs_ialloc_log_agi(tp, agbp, XFS_AGI_FREECOUNT); + pag->pagi_freecount--; + + xfs_trans_mod_sb(tp, XFS_TRANS_SB_IFREE, -1); + + error = xfs_check_agi_freecount(icur, agi); + if (error) + goto error_icur; + error = xfs_check_agi_freecount(cur, agi); + if (error) + goto error_icur; + + xfs_btree_del_cursor(icur, XFS_BTREE_NOERROR); + xfs_btree_del_cursor(cur, XFS_BTREE_NOERROR); + xfs_perag_put(pag); + *inop = ino; + return 0; + +error_icur: + xfs_btree_del_cursor(icur, XFS_BTREE_ERROR); +error_cur: + xfs_btree_del_cursor(cur, XFS_BTREE_ERROR); + xfs_perag_put(pag); + return error; +} + +/* * Allocate an inode on disk. * * Mode is used to tell whether the new inode will need space, and whether it -- 1.8.3.1 From bfoster@redhat.com Thu Apr 10 11:11:14 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 1B9F57FAB for ; Thu, 10 Apr 2014 11:11:14 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 9A42A8F8040 for ; Thu, 10 Apr 2014 09:11:13 -0700 (PDT) X-ASG-Debug-ID: 1397146272-04cbb00dc6a2b30001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id iwdWxSkL4anETi0q for ; Thu, 10 Apr 2014 09:11:12 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx09.intmail.prod.int.phx2.redhat.com (int-mx09.intmail.prod.int.phx2.redhat.com [10.5.11.22]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3AGBCce003670 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Thu, 10 Apr 2014 12:11:12 -0400 Received: from bfoster.bfoster ([10.18.41.237]) by int-mx09.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s3AGBCAc023648 for ; Thu, 10 Apr 2014 12:11:12 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id ED2B4125602; Thu, 10 Apr 2014 12:11:10 -0400 (EDT) From: Brian Foster To: xfs@oss.sgi.com Subject: [PATCH v3 01/20] xfs: refactor xfs_ialloc_btree.c to support multiple inobt numbers Date: Thu, 10 Apr 2014 12:10:51 -0400 X-ASG-Orig-Subj: [PATCH v3 01/20] xfs: refactor xfs_ialloc_btree.c to support multiple inobt numbers Message-Id: <1397146270-42993-2-git-send-email-bfoster@redhat.com> In-Reply-To: <1397146270-42993-1-git-send-email-bfoster@redhat.com> References: <1397146270-42993-1-git-send-email-bfoster@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.22 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1397146272 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 The introduction of the free inode btree (finobt) requires that xfs_ialloc_btree.c handle multiple trees. Refactor xfs_ialloc_btree.c so the caller specifies the btree type on cursor initialization to prepare for addition of the finobt. Signed-off-by: Brian Foster --- include/xfs_ialloc_btree.h | 3 ++- libxfs/xfs_ialloc.c | 8 ++++---- libxfs/xfs_ialloc_btree.c | 8 +++++--- 3 files changed, 11 insertions(+), 8 deletions(-) diff --git a/include/xfs_ialloc_btree.h b/include/xfs_ialloc_btree.h index f38b220..d7ebea7 100644 --- a/include/xfs_ialloc_btree.h +++ b/include/xfs_ialloc_btree.h @@ -58,7 +58,8 @@ struct xfs_mount; ((index) - 1) * sizeof(xfs_inobt_ptr_t))) extern struct xfs_btree_cur *xfs_inobt_init_cursor(struct xfs_mount *, - struct xfs_trans *, struct xfs_buf *, xfs_agnumber_t); + struct xfs_trans *, struct xfs_buf *, xfs_agnumber_t, + xfs_btnum_t); extern int xfs_inobt_maxrecs(struct xfs_mount *, int, int); #endif /* __XFS_IALLOC_BTREE_H__ */ diff --git a/libxfs/xfs_ialloc.c b/libxfs/xfs_ialloc.c index c19d84a..d4a4511 100644 --- a/libxfs/xfs_ialloc.c +++ b/libxfs/xfs_ialloc.c @@ -432,7 +432,7 @@ xfs_ialloc_ag_alloc( /* * Insert records describing the new inode chunk into the btree. */ - cur = xfs_inobt_init_cursor(args.mp, tp, agbp, agno); + cur = xfs_inobt_init_cursor(args.mp, tp, agbp, agno, XFS_BTNUM_INO); for (thisino = newino; thisino < newino + newlen; thisino += XFS_INODES_PER_CHUNK) { @@ -678,7 +678,7 @@ xfs_dialloc_ag( ASSERT(pag->pagi_freecount > 0); restart_pagno: - cur = xfs_inobt_init_cursor(mp, tp, agbp, agno); + cur = xfs_inobt_init_cursor(mp, tp, agbp, agno, XFS_BTNUM_INO); /* * If pagino is 0 (this is the root inode allocation) use newino. * This must work because we've just allocated some. @@ -1140,7 +1140,7 @@ xfs_difree( /* * Initialize the cursor. */ - cur = xfs_inobt_init_cursor(mp, tp, agbp, agno); + cur = xfs_inobt_init_cursor(mp, tp, agbp, agno, XFS_BTNUM_INO); error = xfs_check_agi_freecount(cur, agi); if (error) @@ -1271,7 +1271,7 @@ xfs_imap_lookup( * we have a record, we need to ensure it contains the inode number * we are looking up. */ - cur = xfs_inobt_init_cursor(mp, tp, agbp, agno); + cur = xfs_inobt_init_cursor(mp, tp, agbp, agno, XFS_BTNUM_INO); error = xfs_inobt_lookup(cur, agino, XFS_LOOKUP_LE, &i); if (!error) { if (i) diff --git a/libxfs/xfs_ialloc_btree.c b/libxfs/xfs_ialloc_btree.c index 0a29d73..2027bc6 100644 --- a/libxfs/xfs_ialloc_btree.c +++ b/libxfs/xfs_ialloc_btree.c @@ -30,7 +30,8 @@ xfs_inobt_dup_cursor( struct xfs_btree_cur *cur) { return xfs_inobt_init_cursor(cur->bc_mp, cur->bc_tp, - cur->bc_private.a.agbp, cur->bc_private.a.agno); + cur->bc_private.a.agbp, cur->bc_private.a.agno, + cur->bc_btnum); } STATIC void @@ -379,7 +380,8 @@ xfs_inobt_init_cursor( struct xfs_mount *mp, /* file system mount point */ struct xfs_trans *tp, /* transaction pointer */ struct xfs_buf *agbp, /* buffer for agi structure */ - xfs_agnumber_t agno) /* allocation group number */ + xfs_agnumber_t agno, /* allocation group number */ + xfs_btnum_t btnum) /* ialloc or free ino btree */ { struct xfs_agi *agi = XFS_BUF_TO_AGI(agbp); struct xfs_btree_cur *cur; @@ -389,7 +391,7 @@ xfs_inobt_init_cursor( cur->bc_tp = tp; cur->bc_mp = mp; cur->bc_nlevels = be32_to_cpu(agi->agi_level); - cur->bc_btnum = XFS_BTNUM_INO; + cur->bc_btnum = btnum; cur->bc_blocklog = mp->m_sb.sb_blocklog; cur->bc_ops = &xfs_inobt_ops; -- 1.8.3.1 From bfoster@redhat.com Thu Apr 10 11:11:14 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 43E5C7FAF for ; Thu, 10 Apr 2014 11:11:14 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id E4394AC002 for ; Thu, 10 Apr 2014 09:11:13 -0700 (PDT) X-ASG-Debug-ID: 1397146272-04cb6c77b59f160001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id AkR6ewnHAN1C1bSq for ; Thu, 10 Apr 2014 09:11:13 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx01.intmail.prod.int.phx2.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3AGBCGB003700 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Thu, 10 Apr 2014 12:11:12 -0400 Received: from bfoster.bfoster ([10.18.41.237]) by int-mx01.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id s3AGBCaB012021 for ; Thu, 10 Apr 2014 12:11:12 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id 0C0921256CE; Thu, 10 Apr 2014 12:11:10 -0400 (EDT) From: Brian Foster To: xfs@oss.sgi.com Subject: [PATCH v3 02/20] xfs: reserve v5 superblock read-only compat. feature bit for finobt Date: Thu, 10 Apr 2014 12:10:52 -0400 X-ASG-Orig-Subj: [PATCH v3 02/20] xfs: reserve v5 superblock read-only compat. feature bit for finobt Message-Id: <1397146270-42993-3-git-send-email-bfoster@redhat.com> In-Reply-To: <1397146270-42993-1-git-send-email-bfoster@redhat.com> References: <1397146270-42993-1-git-send-email-bfoster@redhat.com> X-Scanned-By: MIMEDefang 2.67 on 10.5.11.11 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1397146272 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 Reserve a v5 read-only compatibility feature bit for the finobt and create the xfs_sb_version_hasfinobt() helper to determine whether an fs has the feature enabled. The finobt does not change existing on-disk structures, but must remain consistent with the ialloc btree. Modifications from older kernels would violate that constrant. Therefore, we restrict older kernels to read-only mounts of finobt-enabled filesystems. Note that this does not yet enable the ability to rw mount a finobt fs (by setting the feature bit in the XFS_SB_FEAT_RO_COMPAT_ALL mask). Signed-off-by: Brian Foster --- include/xfs_sb.h | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/include/xfs_sb.h b/include/xfs_sb.h index f7b2fe7..7f53a85 100644 --- a/include/xfs_sb.h +++ b/include/xfs_sb.h @@ -587,6 +587,7 @@ xfs_sb_has_compat_feature( return (sbp->sb_features_compat & feature) != 0; } +#define XFS_SB_FEAT_RO_COMPAT_FINOBT (1 << 0) /* free inode btree */ #define XFS_SB_FEAT_RO_COMPAT_ALL 0 #define XFS_SB_FEAT_RO_COMPAT_UNKNOWN ~XFS_SB_FEAT_RO_COMPAT_ALL static inline bool @@ -641,6 +642,12 @@ static inline int xfs_sb_version_hasftype(struct xfs_sb *sbp) (sbp->sb_features2 & XFS_SB_VERSION2_FTYPE)); } +static inline int xfs_sb_version_hasfinobt(xfs_sb_t *sbp) +{ + return (XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_5) && + (sbp->sb_features_ro_compat & XFS_SB_FEAT_RO_COMPAT_FINOBT); +} + /* * end of superblock version macros */ -- 1.8.3.1 From bfoster@redhat.com Thu Apr 10 11:11:14 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 5997C7FD7 for ; Thu, 10 Apr 2014 11:11:14 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id 2BF5A304066 for ; Thu, 10 Apr 2014 09:11:14 -0700 (PDT) X-ASG-Debug-ID: 1397146273-04bdf07dc7a4080001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id rwiAQ8MDyU1DXkge for ; Thu, 10 Apr 2014 09:11:13 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx01.intmail.prod.int.phx2.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3AGBC8K007950 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Thu, 10 Apr 2014 12:11:12 -0400 Received: from bfoster.bfoster ([10.18.41.237]) by int-mx01.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id s3AGBCRK012027 for ; Thu, 10 Apr 2014 12:11:12 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id 457901256D4; Thu, 10 Apr 2014 12:11:11 -0400 (EDT) From: Brian Foster To: xfs@oss.sgi.com Subject: [PATCH v3 04/20] xfs: update inode allocation/free transaction reservations for finobt Date: Thu, 10 Apr 2014 12:10:54 -0400 X-ASG-Orig-Subj: [PATCH v3 04/20] xfs: update inode allocation/free transaction reservations for finobt Message-Id: <1397146270-42993-5-git-send-email-bfoster@redhat.com> In-Reply-To: <1397146270-42993-1-git-send-email-bfoster@redhat.com> References: <1397146270-42993-1-git-send-email-bfoster@redhat.com> X-Scanned-By: MIMEDefang 2.67 on 10.5.11.11 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1397146273 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 Create the xfs_calc_finobt_res() helper to calculate the finobt log reservation for inode allocation and free. Update XFS_IALLOC_SPACE_RES() to reserve blocks for the additional finobt insertion on inode allocation. Create XFS_IFREE_SPACE_RES() to reserve blocks for the potential finobt record insertion on inode free (i.e., if an inode chunk was previously fully allocated). Signed-off-by: Brian Foster --- include/xfs_trans_space.h | 7 ++++++- libxfs/xfs_trans_resv.c | 47 +++++++++++++++++++++++++++++++++++++++++++---- 2 files changed, 49 insertions(+), 5 deletions(-) diff --git a/include/xfs_trans_space.h b/include/xfs_trans_space.h index 7d2c920..a7d1721 100644 --- a/include/xfs_trans_space.h +++ b/include/xfs_trans_space.h @@ -47,7 +47,9 @@ #define XFS_DIRREMOVE_SPACE_RES(mp) \ XFS_DAREMOVE_SPACE_RES(mp, XFS_DATA_FORK) #define XFS_IALLOC_SPACE_RES(mp) \ - (XFS_IALLOC_BLOCKS(mp) + (mp)->m_in_maxlevels - 1) + (XFS_IALLOC_BLOCKS(mp) + \ + (xfs_sb_version_hasfinobt(&mp->m_sb) ? 2 : 1 * \ + ((mp)->m_in_maxlevels - 1))) /* * Space reservation values for various transactions. @@ -82,5 +84,8 @@ (XFS_DIRREMOVE_SPACE_RES(mp) + XFS_DIRENTER_SPACE_RES(mp,nl)) #define XFS_SYMLINK_SPACE_RES(mp,nl,b) \ (XFS_IALLOC_SPACE_RES(mp) + XFS_DIRENTER_SPACE_RES(mp,nl) + (b)) +#define XFS_IFREE_SPACE_RES(mp) \ + (xfs_sb_version_hasfinobt(&mp->m_sb) ? (mp)->m_in_maxlevels : 0) + #endif /* __XFS_TRANS_SPACE_H__ */ diff --git a/libxfs/xfs_trans_resv.c b/libxfs/xfs_trans_resv.c index 1e59fad..870d4fc 100644 --- a/libxfs/xfs_trans_resv.c +++ b/libxfs/xfs_trans_resv.c @@ -81,6 +81,37 @@ xfs_calc_inode_res( } /* + * The free inode btree is a conditional feature and the log reservation + * requirements differ slightly from that of the traditional inode allocation + * btree. The finobt tracks records for inode chunks with at least one free inode. + * Therefore, a record can be removed from the tree for an inode allocation or + * free and the associated merge reservation is unconditional. This also covers + * the possibility of a split on record insertion. + * + * the free inode btree: max depth * block size + * the free inode btree entry: block size + * + * TODO: is the modify res really necessary? covered by the merge/split res? + * This seems to be the pattern of ifree, but not create_resv_alloc. Why? + */ +STATIC uint +xfs_calc_finobt_res( + struct xfs_mount *mp, + int modify) +{ + uint res; + + if (!xfs_sb_version_hasfinobt(&mp->m_sb)) + return 0; + + res = xfs_calc_buf_res(mp->m_in_maxlevels, XFS_FSB_TO_B(mp, 1)); + if (modify) + res += (uint)XFS_FSB_TO_B(mp, 1); + + return res; +} + +/* * Various log reservation values. * * These are based on the size of the file system block because that is what @@ -250,6 +281,7 @@ xfs_calc_remove_reservation( * the superblock for the nlink flag: sector size * the directory btree: (max depth + v2) * dir block size * the directory inode's bmap btree: (max depth + v2) * block size + * the finobt */ STATIC uint xfs_calc_create_resv_modify( @@ -258,7 +290,8 @@ xfs_calc_create_resv_modify( return xfs_calc_inode_res(mp, 2) + xfs_calc_buf_res(1, mp->m_sb.sb_sectsize) + (uint)XFS_FSB_TO_B(mp, 1) + - xfs_calc_buf_res(XFS_DIROP_LOG_COUNT(mp), XFS_FSB_TO_B(mp, 1)); + xfs_calc_buf_res(XFS_DIROP_LOG_COUNT(mp), XFS_FSB_TO_B(mp, 1)) + + xfs_calc_finobt_res(mp, 1); } /* @@ -268,6 +301,7 @@ xfs_calc_create_resv_modify( * the inode blocks allocated: XFS_IALLOC_BLOCKS * blocksize * the inode btree: max depth * blocksize * the allocation btrees: 2 trees * (max depth - 1) * block size + * the finobt */ STATIC uint xfs_calc_create_resv_alloc( @@ -278,7 +312,8 @@ xfs_calc_create_resv_alloc( xfs_calc_buf_res(XFS_IALLOC_BLOCKS(mp), XFS_FSB_TO_B(mp, 1)) + xfs_calc_buf_res(mp->m_in_maxlevels, XFS_FSB_TO_B(mp, 1)) + xfs_calc_buf_res(XFS_ALLOCFREE_LOG_COUNT(mp, 1), - XFS_FSB_TO_B(mp, 1)); + XFS_FSB_TO_B(mp, 1)) + + xfs_calc_finobt_res(mp, 0); } STATIC uint @@ -296,6 +331,7 @@ __xfs_calc_create_reservation( * the superblock for the nlink flag: sector size * the inode btree: max depth * blocksize * the allocation btrees: 2 trees * (max depth - 1) * block size + * the finobt */ STATIC uint xfs_calc_icreate_resv_alloc( @@ -305,7 +341,8 @@ xfs_calc_icreate_resv_alloc( mp->m_sb.sb_sectsize + xfs_calc_buf_res(mp->m_in_maxlevels, XFS_FSB_TO_B(mp, 1)) + xfs_calc_buf_res(XFS_ALLOCFREE_LOG_COUNT(mp, 1), - XFS_FSB_TO_B(mp, 1)); + XFS_FSB_TO_B(mp, 1)) + + xfs_calc_finobt_res(mp, 0); } STATIC uint @@ -359,6 +396,7 @@ xfs_calc_symlink_reservation( * the on disk inode before ours in the agi hash list: inode cluster size * the inode btree: max depth * blocksize * the allocation btrees: 2 trees * (max depth - 1) * block size + * the finobt */ STATIC uint xfs_calc_ifree_reservation( @@ -374,7 +412,8 @@ xfs_calc_ifree_reservation( xfs_calc_buf_res(2 + XFS_IALLOC_BLOCKS(mp) + mp->m_in_maxlevels, 0) + xfs_calc_buf_res(XFS_ALLOCFREE_LOG_COUNT(mp, 1), - XFS_FSB_TO_B(mp, 1)); + XFS_FSB_TO_B(mp, 1)) + + xfs_calc_finobt_res(mp, 1); } /* -- 1.8.3.1 From bfoster@redhat.com Thu Apr 10 11:11:14 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 1B9BB7F91 for ; Thu, 10 Apr 2014 11:11:14 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 95A8A8F8035 for ; Thu, 10 Apr 2014 09:11:13 -0700 (PDT) X-ASG-Debug-ID: 1397146272-04cb6c77b69f160001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id zJXkjoVLBDBRS3F2 for ; Thu, 10 Apr 2014 09:11:13 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3AGBCj0003693 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Thu, 10 Apr 2014 12:11:12 -0400 Received: from bfoster.bfoster ([10.18.41.237]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s3AGBCfd021274 for ; Thu, 10 Apr 2014 12:11:12 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id D445E1256CC; Thu, 10 Apr 2014 12:11:10 -0400 (EDT) From: Brian Foster To: xfs@oss.sgi.com Subject: [PATCH v3 00/20] xfsprogs: introduce the free inode btree Date: Thu, 10 Apr 2014 12:10:50 -0400 X-ASG-Orig-Subj: [PATCH v3 00/20] xfsprogs: introduce the free inode btree Message-Id: <1397146270-42993-1-git-send-email-bfoster@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1397146272 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 Hi all, This is the v3 userspace portion of finobt support corresponding to v5 of the kernel series. Patches 1-10 are straight application of the corresponding kernel patches with omissions where appropriate. Patch 11 adds mkfs support. Patches 12 and 13 provide a couple minor db and repair fixes to support the new agi fields and calculate the fs format respectively. Patches 14-18 add real repair support for the finobt. Patch 19 adds support to report finobt state in xfs_info. Patch 20 adds support for metadump. Thoughts, reviews, flames appreciated. Brian v3: - Rebased to latest master. v2: - Rebased onto the CRC v5 series and v2 kernel finobt bits. - Core finobt repair support. - xfs_info support. - xfs_metadump support. Brian Foster (20): xfs: refactor xfs_ialloc_btree.c to support multiple inobt numbers xfs: reserve v5 superblock read-only compat. feature bit for finobt xfs: support the XFS_BTNUM_FINOBT free inode btree type xfs: update inode allocation/free transaction reservations for finobt xfs: insert newly allocated inode chunks into the finobt xfs: use and update the finobt on inode allocation xfs: refactor xfs_difree() inobt bits into xfs_difree_inobt() helper xfs: update the finobt on inode free xfs: report finobt status in fs geometry xfs: enable the finobt feature on v5 superblocks xfsprogs/mkfs: finobt mkfs support xfsprogs/db: finobt support xfsprogs/repair: account for finobt in ag 0 geometry pre-calculation xfsprogs/repair: phase 2 finobt scan xfsprogs/repair: pass btree block magic as param to build_ino_tree() xfsprogs/repair: pull the build_agi() call up out of the inode tree build xfsprogs/repair: helpers for finding in-core inode records w/ free inodes xfsprogs/repair: reconstruct the finobt in phase 5 xfsprogs/growfs: report finobt status in fs geometry (xfs_info) xfsprogs/db: add finobt support to metadump db/agi.c | 2 + db/btblock.c | 12 + db/metadump.c | 25 +- growfs/xfs_growfs.c | 14 +- include/xfs_ag.h | 32 ++- include/xfs_btree.h | 3 + include/xfs_format.h | 14 +- include/xfs_fs.h | 1 + include/xfs_ialloc_btree.h | 3 +- include/xfs_sb.h | 10 +- include/xfs_trans_space.h | 7 +- include/xfs_types.h | 2 +- libxfs/xfs_btree.c | 6 +- libxfs/xfs_ialloc.c | 617 ++++++++++++++++++++++++++++++++++++++------- libxfs/xfs_ialloc_btree.c | 68 ++++- libxfs/xfs_trans_resv.c | 47 +++- mkfs/xfs_mkfs.c | 83 ++++-- repair/incore.h | 27 ++ repair/phase5.c | 109 ++++++-- repair/scan.c | 239 +++++++++++++++++- repair/xfs_repair.c | 2 + 21 files changed, 1144 insertions(+), 179 deletions(-) -- 1.8.3.1 From bfoster@redhat.com Thu Apr 10 11:11:14 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 8F6777FAB for ; Thu, 10 Apr 2014 11:11:14 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id 70B33304066 for ; Thu, 10 Apr 2014 09:11:14 -0700 (PDT) X-ASG-Debug-ID: 1397146273-04cbb00dc5a2b30001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id vw3f8ITmpI9iX9VD for ; Thu, 10 Apr 2014 09:11:13 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx14.intmail.prod.int.phx2.redhat.com (int-mx14.intmail.prod.int.phx2.redhat.com [10.5.11.27]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3AGBC8u031387 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Thu, 10 Apr 2014 12:11:13 -0400 Received: from bfoster.bfoster ([10.18.41.237]) by int-mx14.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s3AGBCEx015420 for ; Thu, 10 Apr 2014 12:11:12 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id 2AABE1256D0; Thu, 10 Apr 2014 12:11:11 -0400 (EDT) From: Brian Foster To: xfs@oss.sgi.com Subject: [PATCH v3 03/20] xfs: support the XFS_BTNUM_FINOBT free inode btree type Date: Thu, 10 Apr 2014 12:10:53 -0400 X-ASG-Orig-Subj: [PATCH v3 03/20] xfs: support the XFS_BTNUM_FINOBT free inode btree type Message-Id: <1397146270-42993-4-git-send-email-bfoster@redhat.com> In-Reply-To: <1397146270-42993-1-git-send-email-bfoster@redhat.com> References: <1397146270-42993-1-git-send-email-bfoster@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.27 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1397146273 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 Define the AGI fields for the finobt root/level and add magic numbers. Update the btree code to add support for the new XFS_BTNUM_FINOBT inode btree. The finobt root block is reserved immediately following the inobt root block in the AG. Update XFS_PREALLOC_BLOCKS() to determine the starting AG data block based on whether finobt support is enabled. Signed-off-by: Brian Foster --- include/xfs_ag.h | 32 +++++++++++++++---------- include/xfs_btree.h | 3 +++ include/xfs_format.h | 14 ++++++++++- include/xfs_types.h | 2 +- libxfs/xfs_btree.c | 6 +++-- libxfs/xfs_ialloc.c | 37 +++++++++++++++++++++++++---- libxfs/xfs_ialloc_btree.c | 60 +++++++++++++++++++++++++++++++++++++++++++++-- 7 files changed, 130 insertions(+), 24 deletions(-) diff --git a/include/xfs_ag.h b/include/xfs_ag.h index 0fdd410..2531658 100644 --- a/include/xfs_ag.h +++ b/include/xfs_ag.h @@ -166,24 +166,30 @@ typedef struct xfs_agi { __be32 agi_pad32; __be64 agi_lsn; /* last write sequence */ + __be32 agi_free_root; /* root of the free inode btree */ + __be32 agi_free_level;/* levels in free inode btree */ + /* structure must be padded to 64 bit alignment */ } xfs_agi_t; #define XFS_AGI_CRC_OFF offsetof(struct xfs_agi, agi_crc) -#define XFS_AGI_MAGICNUM 0x00000001 -#define XFS_AGI_VERSIONNUM 0x00000002 -#define XFS_AGI_SEQNO 0x00000004 -#define XFS_AGI_LENGTH 0x00000008 -#define XFS_AGI_COUNT 0x00000010 -#define XFS_AGI_ROOT 0x00000020 -#define XFS_AGI_LEVEL 0x00000040 -#define XFS_AGI_FREECOUNT 0x00000080 -#define XFS_AGI_NEWINO 0x00000100 -#define XFS_AGI_DIRINO 0x00000200 -#define XFS_AGI_UNLINKED 0x00000400 -#define XFS_AGI_NUM_BITS 11 -#define XFS_AGI_ALL_BITS ((1 << XFS_AGI_NUM_BITS) - 1) +#define XFS_AGI_MAGICNUM (1 << 0) +#define XFS_AGI_VERSIONNUM (1 << 1) +#define XFS_AGI_SEQNO (1 << 2) +#define XFS_AGI_LENGTH (1 << 3) +#define XFS_AGI_COUNT (1 << 4) +#define XFS_AGI_ROOT (1 << 5) +#define XFS_AGI_LEVEL (1 << 6) +#define XFS_AGI_FREECOUNT (1 << 7) +#define XFS_AGI_NEWINO (1 << 8) +#define XFS_AGI_DIRINO (1 << 9) +#define XFS_AGI_UNLINKED (1 << 10) +#define XFS_AGI_NUM_BITS_R1 11 /* end of the 1st agi logging region */ +#define XFS_AGI_ALL_BITS_R1 ((1 << XFS_AGI_NUM_BITS_R1) - 1) +#define XFS_AGI_FREE_ROOT (1 << 11) +#define XFS_AGI_FREE_LEVEL (1 << 12) +#define XFS_AGI_NUM_BITS_R2 13 /* disk block (xfs_daddr_t) in the AG */ #define XFS_AGI_DADDR(mp) ((xfs_daddr_t)(2 << (mp)->m_sectbb_log)) diff --git a/include/xfs_btree.h b/include/xfs_btree.h index 6afe0b2..2590d40 100644 --- a/include/xfs_btree.h +++ b/include/xfs_btree.h @@ -37,6 +37,7 @@ extern kmem_zone_t *xfs_btree_cur_zone; #define XFS_BTNUM_CNT ((xfs_btnum_t)XFS_BTNUM_CNTi) #define XFS_BTNUM_BMAP ((xfs_btnum_t)XFS_BTNUM_BMAPi) #define XFS_BTNUM_INO ((xfs_btnum_t)XFS_BTNUM_INOi) +#define XFS_BTNUM_FINO ((xfs_btnum_t)XFS_BTNUM_FINOi) /* * For logging record fields. @@ -67,6 +68,7 @@ do { \ case XFS_BTNUM_CNT: __XFS_BTREE_STATS_INC(abtc, stat); break; \ case XFS_BTNUM_BMAP: __XFS_BTREE_STATS_INC(bmbt, stat); break; \ case XFS_BTNUM_INO: __XFS_BTREE_STATS_INC(ibt, stat); break; \ + case XFS_BTNUM_FINO: __XFS_BTREE_STATS_INC(fibt, stat); break; \ case XFS_BTNUM_MAX: ASSERT(0); /* fucking gcc */ ; break; \ } \ } while (0) @@ -80,6 +82,7 @@ do { \ case XFS_BTNUM_CNT: __XFS_BTREE_STATS_ADD(abtc, stat, val); break; \ case XFS_BTNUM_BMAP: __XFS_BTREE_STATS_ADD(bmbt, stat, val); break; \ case XFS_BTNUM_INO: __XFS_BTREE_STATS_ADD(ibt, stat, val); break; \ + case XFS_BTNUM_FINO: __XFS_BTREE_STATS_ADD(fibt, stat, val); break; \ case XFS_BTNUM_MAX: ASSERT(0); /* fucking gcc */ ; break; \ } \ } while (0) diff --git a/include/xfs_format.h b/include/xfs_format.h index 77f6b8b..758052f 100644 --- a/include/xfs_format.h +++ b/include/xfs_format.h @@ -202,6 +202,8 @@ typedef __be32 xfs_alloc_ptr_t; */ #define XFS_IBT_MAGIC 0x49414254 /* 'IABT' */ #define XFS_IBT_CRC_MAGIC 0x49414233 /* 'IAB3' */ +#define XFS_FIBT_MAGIC 0x46494254 /* 'FIBT' */ +#define XFS_FIBT_CRC_MAGIC 0x46494233 /* 'FIB3' */ typedef __uint64_t xfs_inofree_t; #define XFS_INODES_PER_CHUNK (NBBY * sizeof(xfs_inofree_t)) @@ -244,7 +246,17 @@ typedef __be32 xfs_inobt_ptr_t; * block numbers in the AG. */ #define XFS_IBT_BLOCK(mp) ((xfs_agblock_t)(XFS_CNT_BLOCK(mp) + 1)) -#define XFS_PREALLOC_BLOCKS(mp) ((xfs_agblock_t)(XFS_IBT_BLOCK(mp) + 1)) +#define XFS_FIBT_BLOCK(mp) ((xfs_agblock_t)(XFS_IBT_BLOCK(mp) + 1)) + +/* + * The first data block of an AG depends on whether the filesystem was formatted + * with the finobt feature. If so, account for the finobt reserved root btree + * block. + */ +#define XFS_PREALLOC_BLOCKS(mp) \ + (xfs_sb_version_hasfinobt(&((mp)->m_sb)) ? \ + XFS_FIBT_BLOCK(mp) + 1 : \ + XFS_IBT_BLOCK(mp) + 1) diff --git a/include/xfs_types.h b/include/xfs_types.h index 82bbc34..65c6e66 100644 --- a/include/xfs_types.h +++ b/include/xfs_types.h @@ -134,7 +134,7 @@ typedef enum { typedef enum { XFS_BTNUM_BNOi, XFS_BTNUM_CNTi, XFS_BTNUM_BMAPi, XFS_BTNUM_INOi, - XFS_BTNUM_MAX + XFS_BTNUM_FINOi, XFS_BTNUM_MAX } xfs_btnum_t; struct xfs_name { diff --git a/libxfs/xfs_btree.c b/libxfs/xfs_btree.c index 9be4abd..cc823f5 100644 --- a/libxfs/xfs_btree.c +++ b/libxfs/xfs_btree.c @@ -27,9 +27,10 @@ kmem_zone_t *xfs_btree_cur_zone; * Btree magic numbers. */ static const __uint32_t xfs_magics[2][XFS_BTNUM_MAX] = { - { XFS_ABTB_MAGIC, XFS_ABTC_MAGIC, XFS_BMAP_MAGIC, XFS_IBT_MAGIC }, + { XFS_ABTB_MAGIC, XFS_ABTC_MAGIC, XFS_BMAP_MAGIC, XFS_IBT_MAGIC, + XFS_FIBT_MAGIC }, { XFS_ABTB_CRC_MAGIC, XFS_ABTC_CRC_MAGIC, - XFS_BMAP_CRC_MAGIC, XFS_IBT_CRC_MAGIC } + XFS_BMAP_CRC_MAGIC, XFS_IBT_CRC_MAGIC, XFS_FIBT_CRC_MAGIC } }; #define xfs_btree_magic(cur) \ xfs_magics[!!((cur)->bc_flags & XFS_BTREE_CRC_BLOCKS)][cur->bc_btnum] @@ -1099,6 +1100,7 @@ xfs_btree_set_refs( xfs_buf_set_ref(bp, XFS_ALLOC_BTREE_REF); break; case XFS_BTNUM_INO: + case XFS_BTNUM_FINO: xfs_buf_set_ref(bp, XFS_INO_BTREE_REF); break; case XFS_BTNUM_BMAP: diff --git a/libxfs/xfs_ialloc.c b/libxfs/xfs_ialloc.c index d4a4511..4a7746a 100644 --- a/libxfs/xfs_ialloc.c +++ b/libxfs/xfs_ialloc.c @@ -1482,6 +1482,8 @@ xfs_ialloc_log_agi( offsetof(xfs_agi_t, agi_newino), offsetof(xfs_agi_t, agi_dirino), offsetof(xfs_agi_t, agi_unlinked), + offsetof(xfs_agi_t, agi_free_root), + offsetof(xfs_agi_t, agi_free_level), sizeof(xfs_agi_t) }; #ifdef DEBUG @@ -1491,14 +1493,39 @@ xfs_ialloc_log_agi( ASSERT(agi->agi_magicnum == cpu_to_be32(XFS_AGI_MAGIC)); #endif /* - * Compute byte offsets for the first and last fields. + * The growth of the agi buffer over time now requires that we interpret + * the buffer as two logical regions delineated at the end of the unlinked + * list. This is due to the size of the hash table and its location in the + * middle of the agi. + * + * For example, a request to log a field before agi_unlinked and a field + * after agi_unlinked could cause us to log the entire hash table and use + * an excessive amount of log space. To avoid this behavior, log the + * region up through agi_unlinked in one call and the region after + * agi_unlinked through the end of the structure in another. */ - xfs_btree_offsets(fields, offsets, XFS_AGI_NUM_BITS, &first, &last); + xfs_trans_buf_set_type(tp, bp, XFS_BLFT_AGI_BUF); + /* - * Log the allocation group inode header buffer. + * Compute byte offsets for the first and last fields in the first + * region and log agi buffer. This only logs up through agi_unlinked. */ - xfs_trans_buf_set_type(tp, bp, XFS_BLFT_AGI_BUF); - xfs_trans_log_buf(tp, bp, first, last); + if (fields & XFS_AGI_ALL_BITS_R1) { + xfs_btree_offsets(fields, offsets, XFS_AGI_NUM_BITS_R1, + &first, &last); + xfs_trans_log_buf(tp, bp, first, last); + } + + /* + * Mask off the bits in the first region and calculate the first and last + * field offsets for any bits in the second region. + */ + fields &= ~XFS_AGI_ALL_BITS_R1; + if (fields) { + xfs_btree_offsets(fields, offsets, XFS_AGI_NUM_BITS_R2, + &first, &last); + xfs_trans_log_buf(tp, bp, first, last); + } } #ifdef DEBUG diff --git a/libxfs/xfs_ialloc_btree.c b/libxfs/xfs_ialloc_btree.c index 2027bc6..c337389 100644 --- a/libxfs/xfs_ialloc_btree.c +++ b/libxfs/xfs_ialloc_btree.c @@ -48,6 +48,21 @@ xfs_inobt_set_root( xfs_ialloc_log_agi(cur->bc_tp, agbp, XFS_AGI_ROOT | XFS_AGI_LEVEL); } +STATIC void +xfs_finobt_set_root( + struct xfs_btree_cur *cur, + union xfs_btree_ptr *nptr, + int inc) /* level change */ +{ + struct xfs_buf *agbp = cur->bc_private.a.agbp; + struct xfs_agi *agi = XFS_BUF_TO_AGI(agbp); + + agi->agi_free_root = nptr->s; + be32_add_cpu(&agi->agi_free_level, inc); + xfs_ialloc_log_agi(cur->bc_tp, agbp, + XFS_AGI_FREE_ROOT | XFS_AGI_FREE_LEVEL); +} + STATIC int xfs_inobt_alloc_block( struct xfs_btree_cur *cur, @@ -155,6 +170,17 @@ xfs_inobt_init_ptr_from_cur( ptr->s = agi->agi_root; } +STATIC void +xfs_finobt_init_ptr_from_cur( + struct xfs_btree_cur *cur, + union xfs_btree_ptr *ptr) +{ + struct xfs_agi *agi = XFS_BUF_TO_AGI(cur->bc_private.a.agbp); + + ASSERT(cur->bc_private.a.agno == be32_to_cpu(agi->agi_seqno)); + ptr->s = agi->agi_free_root; +} + STATIC __int64_t xfs_inobt_key_diff( struct xfs_btree_cur *cur, @@ -185,6 +211,7 @@ xfs_inobt_verify( */ switch (block->bb_magic) { case cpu_to_be32(XFS_IBT_CRC_MAGIC): + case cpu_to_be32(XFS_FIBT_CRC_MAGIC): if (!xfs_sb_version_hascrc(&mp->m_sb)) return false; if (!uuid_equal(&block->bb_u.s.bb_uuid, &mp->m_sb.sb_uuid)) @@ -196,6 +223,7 @@ xfs_inobt_verify( return false; /* fall through */ case cpu_to_be32(XFS_IBT_MAGIC): + case cpu_to_be32(XFS_FIBT_MAGIC): break; default: return 0; @@ -372,6 +400,28 @@ static const struct xfs_btree_ops xfs_inobt_ops = { #endif }; +static const struct xfs_btree_ops xfs_finobt_ops = { + .rec_len = sizeof(xfs_inobt_rec_t), + .key_len = sizeof(xfs_inobt_key_t), + + .dup_cursor = xfs_inobt_dup_cursor, + .set_root = xfs_finobt_set_root, + .alloc_block = xfs_inobt_alloc_block, + .free_block = xfs_inobt_free_block, + .get_minrecs = xfs_inobt_get_minrecs, + .get_maxrecs = xfs_inobt_get_maxrecs, + .init_key_from_rec = xfs_inobt_init_key_from_rec, + .init_rec_from_key = xfs_inobt_init_rec_from_key, + .init_rec_from_cur = xfs_inobt_init_rec_from_cur, + .init_ptr_from_cur = xfs_finobt_init_ptr_from_cur, + .key_diff = xfs_inobt_key_diff, + .buf_ops = &xfs_inobt_buf_ops, +#if defined(DEBUG) || defined(XFS_WARN) + .keys_inorder = xfs_inobt_keys_inorder, + .recs_inorder = xfs_inobt_recs_inorder, +#endif +}; + /* * Allocate a new inode btree cursor. */ @@ -390,11 +440,17 @@ xfs_inobt_init_cursor( cur->bc_tp = tp; cur->bc_mp = mp; - cur->bc_nlevels = be32_to_cpu(agi->agi_level); cur->bc_btnum = btnum; + if (btnum == XFS_BTNUM_INO) { + cur->bc_nlevels = be32_to_cpu(agi->agi_level); + cur->bc_ops = &xfs_inobt_ops; + } else { + cur->bc_nlevels = be32_to_cpu(agi->agi_free_level); + cur->bc_ops = &xfs_finobt_ops; + } + cur->bc_blocklog = mp->m_sb.sb_blocklog; - cur->bc_ops = &xfs_inobt_ops; if (xfs_sb_version_hascrc(&mp->m_sb)) cur->bc_flags |= XFS_BTREE_CRC_BLOCKS; -- 1.8.3.1 From bfoster@redhat.com Thu Apr 10 11:11:16 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 004A47FD7 for ; Thu, 10 Apr 2014 11:11:15 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id C628E304064 for ; Thu, 10 Apr 2014 09:11:14 -0700 (PDT) X-ASG-Debug-ID: 1397146273-04bdf07dcca40a0001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id hUOPVRonEf29oyoW for ; Thu, 10 Apr 2014 09:11:13 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx09.intmail.prod.int.phx2.redhat.com (int-mx09.intmail.prod.int.phx2.redhat.com [10.5.11.22]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3AGBDaP009671 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Thu, 10 Apr 2014 12:11:13 -0400 Received: from bfoster.bfoster ([10.18.41.237]) by int-mx09.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s3AGBCsb023652 for ; Thu, 10 Apr 2014 12:11:12 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id 72FEB1256D8; Thu, 10 Apr 2014 12:11:11 -0400 (EDT) From: Brian Foster To: xfs@oss.sgi.com Subject: [PATCH v3 07/20] xfs: refactor xfs_difree() inobt bits into xfs_difree_inobt() helper Date: Thu, 10 Apr 2014 12:10:57 -0400 X-ASG-Orig-Subj: [PATCH v3 07/20] xfs: refactor xfs_difree() inobt bits into xfs_difree_inobt() helper Message-Id: <1397146270-42993-8-git-send-email-bfoster@redhat.com> In-Reply-To: <1397146270-42993-1-git-send-email-bfoster@redhat.com> References: <1397146270-42993-1-git-send-email-bfoster@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.22 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1397146273 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 Refactor xfs_difree() in preparation for the finobt. xfs_difree() performs the validity checks against the ag and reads the agi header. The work of physically updating the inode allocation btree is pushed down into the new xfs_difree_inobt() helper. Signed-off-by: Brian Foster --- libxfs/xfs_ialloc.c | 161 +++++++++++++++++++++++++++++++--------------------- 1 file changed, 96 insertions(+), 65 deletions(-) diff --git a/libxfs/xfs_ialloc.c b/libxfs/xfs_ialloc.c index 462340b..f0d6397 100644 --- a/libxfs/xfs_ialloc.c +++ b/libxfs/xfs_ialloc.c @@ -1325,74 +1325,30 @@ out_error: return XFS_ERROR(error); } -/* - * Free disk inode. Carefully avoids touching the incore inode, all - * manipulations incore are the caller's responsibility. - * The on-disk inode is not changed by this operation, only the - * btree (free inode mask) is changed. - */ -int -xfs_difree( - xfs_trans_t *tp, /* transaction pointer */ - xfs_ino_t inode, /* inode to be freed */ - xfs_bmap_free_t *flist, /* extents to free */ - int *delete, /* set if inode cluster was deleted */ - xfs_ino_t *first_ino) /* first inode in deleted cluster */ +STATIC int +xfs_difree_inobt( + struct xfs_mount *mp, + struct xfs_trans *tp, + struct xfs_buf *agbp, + xfs_agino_t agino, + struct xfs_bmap_free *flist, + int *delete, + xfs_ino_t *first_ino, + struct xfs_inobt_rec_incore *orec) { - /* REFERENCED */ - xfs_agblock_t agbno; /* block number containing inode */ - xfs_buf_t *agbp; /* buffer containing allocation group header */ - xfs_agino_t agino; /* inode number relative to allocation group */ - xfs_agnumber_t agno; /* allocation group number */ - xfs_agi_t *agi; /* allocation group header */ - xfs_btree_cur_t *cur; /* inode btree cursor */ - int error; /* error return value */ - int i; /* result code */ - int ilen; /* inodes in an inode cluster */ - xfs_mount_t *mp; /* mount structure for filesystem */ - int off; /* offset of inode in inode chunk */ - xfs_inobt_rec_incore_t rec; /* btree record */ - struct xfs_perag *pag; - - mp = tp->t_mountp; + struct xfs_agi *agi = XFS_BUF_TO_AGI(agbp); + xfs_agnumber_t agno = be32_to_cpu(agi->agi_seqno); + struct xfs_perag *pag; + struct xfs_btree_cur *cur; + struct xfs_inobt_rec_incore rec; + int ilen; + int error; + int i; + int off; - /* - * Break up inode number into its components. - */ - agno = XFS_INO_TO_AGNO(mp, inode); - if (agno >= mp->m_sb.sb_agcount) { - xfs_warn(mp, "%s: agno >= mp->m_sb.sb_agcount (%d >= %d).", - __func__, agno, mp->m_sb.sb_agcount); - ASSERT(0); - return XFS_ERROR(EINVAL); - } - agino = XFS_INO_TO_AGINO(mp, inode); - if (inode != XFS_AGINO_TO_INO(mp, agno, agino)) { - xfs_warn(mp, "%s: inode != XFS_AGINO_TO_INO() (%llu != %llu).", - __func__, (unsigned long long)inode, - (unsigned long long)XFS_AGINO_TO_INO(mp, agno, agino)); - ASSERT(0); - return XFS_ERROR(EINVAL); - } - agbno = XFS_AGINO_TO_AGBNO(mp, agino); - if (agbno >= mp->m_sb.sb_agblocks) { - xfs_warn(mp, "%s: agbno >= mp->m_sb.sb_agblocks (%d >= %d).", - __func__, agbno, mp->m_sb.sb_agblocks); - ASSERT(0); - return XFS_ERROR(EINVAL); - } - /* - * Get the allocation group header. - */ - error = xfs_ialloc_read_agi(mp, tp, agno, &agbp); - if (error) { - xfs_warn(mp, "%s: xfs_ialloc_read_agi() returned error %d.", - __func__, error); - return error; - } - agi = XFS_BUF_TO_AGI(agbp); ASSERT(agi->agi_magicnum == cpu_to_be32(XFS_AGI_MAGIC)); - ASSERT(agbno < be32_to_cpu(agi->agi_length)); + ASSERT(XFS_AGINO_TO_AGBNO(mp, agino) < be32_to_cpu(agi->agi_length)); + /* * Initialize the cursor. */ @@ -1488,6 +1444,7 @@ xfs_difree( if (error) goto error0; + *orec = rec; xfs_btree_del_cursor(cur, XFS_BTREE_NOERROR); return 0; @@ -1496,6 +1453,80 @@ error0: return error; } +/* + * Free disk inode. Carefully avoids touching the incore inode, all + * manipulations incore are the caller's responsibility. + * The on-disk inode is not changed by this operation, only the + * btree (free inode mask) is changed. + */ +int +xfs_difree( + struct xfs_trans *tp, /* transaction pointer */ + xfs_ino_t inode, /* inode to be freed */ + struct xfs_bmap_free *flist, /* extents to free */ + int *delete,/* set if inode cluster was deleted */ + xfs_ino_t *first_ino)/* first inode in deleted cluster */ +{ + /* REFERENCED */ + xfs_agblock_t agbno; /* block number containing inode */ + struct xfs_buf *agbp; /* buffer for allocation group header */ + xfs_agino_t agino; /* allocation group inode number */ + xfs_agnumber_t agno; /* allocation group number */ + int error; /* error return value */ + struct xfs_mount *mp; /* mount structure for filesystem */ + struct xfs_inobt_rec_incore rec;/* btree record */ + + mp = tp->t_mountp; + + /* + * Break up inode number into its components. + */ + agno = XFS_INO_TO_AGNO(mp, inode); + if (agno >= mp->m_sb.sb_agcount) { + xfs_warn(mp, "%s: agno >= mp->m_sb.sb_agcount (%d >= %d).", + __func__, agno, mp->m_sb.sb_agcount); + ASSERT(0); + return XFS_ERROR(EINVAL); + } + agino = XFS_INO_TO_AGINO(mp, inode); + if (inode != XFS_AGINO_TO_INO(mp, agno, agino)) { + xfs_warn(mp, "%s: inode != XFS_AGINO_TO_INO() (%llu != %llu).", + __func__, (unsigned long long)inode, + (unsigned long long)XFS_AGINO_TO_INO(mp, agno, agino)); + ASSERT(0); + return XFS_ERROR(EINVAL); + } + agbno = XFS_AGINO_TO_AGBNO(mp, agino); + if (agbno >= mp->m_sb.sb_agblocks) { + xfs_warn(mp, "%s: agbno >= mp->m_sb.sb_agblocks (%d >= %d).", + __func__, agbno, mp->m_sb.sb_agblocks); + ASSERT(0); + return XFS_ERROR(EINVAL); + } + /* + * Get the allocation group header. + */ + error = xfs_ialloc_read_agi(mp, tp, agno, &agbp); + if (error) { + xfs_warn(mp, "%s: xfs_ialloc_read_agi() returned error %d.", + __func__, error); + return error; + } + + /* + * Fix up the inode allocation btree. + */ + error = xfs_difree_inobt(mp, tp, agbp, agino, flist, delete, first_ino, + &rec); + if (error) + goto error0; + + return 0; + +error0: + return error; +} + STATIC int xfs_imap_lookup( struct xfs_mount *mp, -- 1.8.3.1 From bfoster@redhat.com Thu Apr 10 11:11:16 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 2A6897FDA for ; Thu, 10 Apr 2014 11:11:15 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 178F3304064 for ; Thu, 10 Apr 2014 09:11:15 -0700 (PDT) X-ASG-Debug-ID: 1397146274-04cb6c77b69f180001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id MKGCYh5lbtVbkU7Z for ; Thu, 10 Apr 2014 09:11:14 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3AGBDNM031395 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Thu, 10 Apr 2014 12:11:14 -0400 Received: from bfoster.bfoster ([10.18.41.237]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s3AGBCqw021278 for ; Thu, 10 Apr 2014 12:11:13 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id ECFFC125602; Thu, 10 Apr 2014 12:11:11 -0400 (EDT) From: Brian Foster To: xfs@oss.sgi.com Subject: [PATCH v3 11/20] xfsprogs/mkfs: finobt mkfs support Date: Thu, 10 Apr 2014 12:11:01 -0400 X-ASG-Orig-Subj: [PATCH v3 11/20] xfsprogs/mkfs: finobt mkfs support Message-Id: <1397146270-42993-12-git-send-email-bfoster@redhat.com> In-Reply-To: <1397146270-42993-1-git-send-email-bfoster@redhat.com> References: <1397146270-42993-1-git-send-email-bfoster@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1397146274 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 Add the 'finobt' metadata option to mkfs to format an fs with free inode btree support. If enabled, initialize the associated AGI header fields and btree root block. Also, do the initialization of the superblock version and feature bits (including the new finobt flag) a bit earlier. These fields must now be initialized prior to the use of XFS_PREALLOC_BLOCKS(), as the latter returns a value that depends on whether a finobt root btree block is reserved. Signed-off-by: Brian Foster --- mkfs/xfs_mkfs.c | 83 +++++++++++++++++++++++++++++++++++++++++++-------------- 1 file changed, 63 insertions(+), 20 deletions(-) diff --git a/mkfs/xfs_mkfs.c b/mkfs/xfs_mkfs.c index f7cf394..654cb8a 100644 --- a/mkfs/xfs_mkfs.c +++ b/mkfs/xfs_mkfs.c @@ -183,6 +183,8 @@ char *sopts[] = { char *mopts[] = { #define M_CRC 0 "crc", +#define M_FINOBT 1 + "finobt", NULL }; @@ -962,6 +964,7 @@ main( struct fs_topology ft; int lazy_sb_counters; int crcs_enabled; + int finobt; progname = basename(argv[0]); setlocale(LC_ALL, ""); @@ -995,6 +998,7 @@ main( worst_freelist = 0; lazy_sb_counters = 1; crcs_enabled = 0; + finobt = 0; memset(&fsx, 0, sizeof(fsx)); memset(&xi, 0, sizeof(xi)); @@ -1486,6 +1490,14 @@ _("cannot specify both crc and ftype\n")); usage(); } break; + case M_FINOBT: + if (!value || *value == '\0') + reqval('m', mopts, M_CRC); + c = atoi(value); + if (c < 0 || c > 1) + illegal(value, "m finobt"); + finobt = c; + break; default: unknown('m', value); } @@ -2415,6 +2427,30 @@ _("size %s specified for log subvolume is too large, maximum is %lld blocks\n"), mp->m_blkbb_log = sbp->sb_blocklog - BBSHIFT; mp->m_sectbb_log = sbp->sb_sectlog - BBSHIFT; + /* + * sb_versionnum and finobt flags must be set before we use + * XFS_PREALLOC_BLOCKS(). + */ + sbp->sb_features2 = XFS_SB_VERSION2_MKFS(crcs_enabled, lazy_sb_counters, + attrversion == 2, !projid16bit, 0, + (!crcs_enabled && dirftype)); + sbp->sb_versionnum = XFS_SB_VERSION_MKFS(crcs_enabled, iaflag, + dsunit != 0, + logversion == 2, attrversion == 1, + (sectorsize != BBSIZE || + lsectorsize != BBSIZE), + nci, sbp->sb_features2 != 0); + /* + * Due to a structure alignment issue, sb_features2 ended up in one + * of two locations, the second "incorrect" location represented by + * the sb_bad_features2 field. To avoid older kernels mounting + * filesystems they shouldn't, set both field to the same value. + */ + sbp->sb_bad_features2 = sbp->sb_features2; + + if (finobt) + sbp->sb_features_ro_compat = XFS_SB_FEAT_RO_COMPAT_FINOBT; + if (loginternal) { /* * Readjust the log size to fit within an AG if it was sized @@ -2477,7 +2513,7 @@ _("size %s specified for log subvolume is too large, maximum is %lld blocks\n"), printf(_( "meta-data=%-22s isize=%-6d agcount=%lld, agsize=%lld blks\n" " =%-22s sectsz=%-5u attr=%u, projid32bit=%u\n" - " =%-22s crc=%u\n" + " =%-22s crc=%-8u finobt=%u\n" "data =%-22s bsize=%-6u blocks=%llu, imaxpct=%u\n" " =%-22s sunit=%-6u swidth=%u blks\n" "naming =version %-14u bsize=%-6u ascii-ci=%d ftype=%d\n" @@ -2486,7 +2522,7 @@ _("size %s specified for log subvolume is too large, maximum is %lld blocks\n"), "realtime =%-22s extsz=%-6d blocks=%lld, rtextents=%lld\n"), dfile, isize, (long long)agcount, (long long)agsize, "", sectorsize, attrversion, !projid16bit, - "", crcs_enabled, + "", crcs_enabled, finobt, "", blocksize, (long long)dblocks, imaxpct, "", dsunit, dswidth, dirversion, dirblocksize, nci, dirftype, @@ -2555,23 +2591,6 @@ _("size %s specified for log subvolume is too large, maximum is %lld blocks\n"), sbp->sb_logsectsize = 0; } - sbp->sb_features2 = XFS_SB_VERSION2_MKFS(crcs_enabled, lazy_sb_counters, - attrversion == 2, !projid16bit, 0, - (!crcs_enabled && dirftype)); - sbp->sb_versionnum = XFS_SB_VERSION_MKFS(crcs_enabled, iaflag, - dsunit != 0, - logversion == 2, attrversion == 1, - (sectorsize != BBSIZE || - lsectorsize != BBSIZE), - nci, sbp->sb_features2 != 0); - /* - * Due to a structure alignment issue, sb_features2 ended up in one - * of two locations, the second "incorrect" location represented by - * the sb_bad_features2 field. To avoid older kernels mounting - * filesystems they shouldn't, set both field to the same value. - */ - sbp->sb_bad_features2 = sbp->sb_features2; - if (force_overwrite) zero_old_xfs_structures(&xi, sbp); @@ -2728,6 +2747,10 @@ _("size %s specified for log subvolume is too large, maximum is %lld blocks\n"), agi->agi_count = 0; agi->agi_root = cpu_to_be32(XFS_IBT_BLOCK(mp)); agi->agi_level = cpu_to_be32(1); + if (finobt) { + agi->agi_free_root = cpu_to_be32(XFS_FIBT_BLOCK(mp)); + agi->agi_free_level = cpu_to_be32(1); + } agi->agi_freecount = 0; agi->agi_newino = cpu_to_be32(NULLAGINO); agi->agi_dirino = cpu_to_be32(NULLAGINO); @@ -2853,6 +2876,26 @@ _("size %s specified for log subvolume is too large, maximum is %lld blocks\n"), xfs_btree_init_block(mp, buf, XFS_IBT_MAGIC, 0, 0, agno, 0); libxfs_writebuf(buf, LIBXFS_EXIT_ON_FAILURE); + + /* + * Free INO btree root block + */ + if (!finobt) + continue; + + buf = libxfs_getbuf(mp->m_ddev_targp, + XFS_AGB_TO_DADDR(mp, agno, XFS_FIBT_BLOCK(mp)), + bsize); + buf->b_ops = &xfs_inobt_buf_ops; + block = XFS_BUF_TO_BLOCK(buf); + memset(block, 0, blocksize); + if (xfs_sb_version_hascrc(&mp->m_sb)) + xfs_btree_init_block(mp, buf, XFS_FIBT_CRC_MAGIC, 0, 0, + agno, XFS_BTREE_CRC_BLOCKS); + else + xfs_btree_init_block(mp, buf, XFS_FIBT_MAGIC, 0, 0, + agno, 0); + libxfs_writebuf(buf, LIBXFS_EXIT_ON_FAILURE); } /* @@ -3089,7 +3132,7 @@ usage( void ) { fprintf(stderr, _("Usage: %s\n\ /* blocksize */ [-b log=n|size=num]\n\ -/* metadata */ [-m crc=[0|1]\n\ +/* metadata */ [-m crc=0|1,finobt=0|1]\n\ /* data subvol */ [-d agcount=n,agsize=n,file,name=xxx,size=num,\n\ (sunit=value,swidth=value|su=num,sw=num|noalign),\n\ sectlog=n|sectsize=num\n\ -- 1.8.3.1 From bfoster@redhat.com Thu Apr 10 11:11:15 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id C84197FAF for ; Thu, 10 Apr 2014 11:11:14 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 7A045AC002 for ; Thu, 10 Apr 2014 09:11:14 -0700 (PDT) X-ASG-Debug-ID: 1397146273-04cb6c77b79f170001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id v8DRyimbhCkIZ7fK for ; Thu, 10 Apr 2014 09:11:13 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx02.intmail.prod.int.phx2.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3AGBDQ2003766 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Thu, 10 Apr 2014 12:11:13 -0400 Received: from bfoster.bfoster ([10.18.41.237]) by int-mx02.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id s3AGBC6A000750 for ; Thu, 10 Apr 2014 12:11:13 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id A63821256DB; Thu, 10 Apr 2014 12:11:11 -0400 (EDT) From: Brian Foster To: xfs@oss.sgi.com Subject: [PATCH v3 09/20] xfs: report finobt status in fs geometry Date: Thu, 10 Apr 2014 12:10:59 -0400 X-ASG-Orig-Subj: [PATCH v3 09/20] xfs: report finobt status in fs geometry Message-Id: <1397146270-42993-10-git-send-email-bfoster@redhat.com> In-Reply-To: <1397146270-42993-1-git-send-email-bfoster@redhat.com> References: <1397146270-42993-1-git-send-email-bfoster@redhat.com> X-Scanned-By: MIMEDefang 2.67 on 10.5.11.12 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1397146273 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 Define the XFS_FSOP_GEOM_FLAGS_FINOBT fs geometry flag and set the associated bit if the filesystem supports the free inode btree. Signed-off-by: Brian Foster --- include/xfs_fs.h | 1 + 1 file changed, 1 insertion(+) diff --git a/include/xfs_fs.h b/include/xfs_fs.h index 554fd66..59c40fc 100644 --- a/include/xfs_fs.h +++ b/include/xfs_fs.h @@ -238,6 +238,7 @@ typedef struct xfs_fsop_resblks { #define XFS_FSOP_GEOM_FLAGS_LAZYSB 0x4000 /* lazy superblock counters */ #define XFS_FSOP_GEOM_FLAGS_V5SB 0x8000 /* version 5 superblock */ #define XFS_FSOP_GEOM_FLAGS_FTYPE 0x10000 /* inode directory types */ +#define XFS_FSOP_GEOM_FLAGS_FINOBT 0x20000 /* free inode btree */ /* -- 1.8.3.1 From bfoster@redhat.com Thu Apr 10 11:11:17 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 1F1FC7FD8 for ; Thu, 10 Apr 2014 11:11:15 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id AE711AC007 for ; Thu, 10 Apr 2014 09:11:14 -0700 (PDT) X-ASG-Debug-ID: 1397146273-04cb6c77b69f170001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id s8yydy4TBkjLCOhn for ; Thu, 10 Apr 2014 09:11:13 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx02.intmail.prod.int.phx2.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3AGBD8u003825 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Thu, 10 Apr 2014 12:11:13 -0400 Received: from bfoster.bfoster ([10.18.41.237]) by int-mx02.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id s3AGBCQw000747 for ; Thu, 10 Apr 2014 12:11:13 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id 195581256CE; Thu, 10 Apr 2014 12:11:12 -0400 (EDT) From: Brian Foster To: xfs@oss.sgi.com Subject: [PATCH v3 12/20] xfsprogs/db: finobt support Date: Thu, 10 Apr 2014 12:11:02 -0400 X-ASG-Orig-Subj: [PATCH v3 12/20] xfsprogs/db: finobt support Message-Id: <1397146270-42993-13-git-send-email-bfoster@redhat.com> In-Reply-To: <1397146270-42993-1-git-send-email-bfoster@redhat.com> References: <1397146270-42993-1-git-send-email-bfoster@redhat.com> X-Scanned-By: MIMEDefang 2.67 on 10.5.11.12 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1397146273 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 Add the AGI finobt fields and fibt layouts. Signed-off-by: Brian Foster --- db/agi.c | 2 ++ db/btblock.c | 12 ++++++++++++ 2 files changed, 14 insertions(+) diff --git a/db/agi.c b/db/agi.c index 398bdbb..6f167ac 100644 --- a/db/agi.c +++ b/db/agi.c @@ -57,6 +57,8 @@ const field_t agi_flds[] = { { "uuid", FLDT_UUID, OI(OFF(uuid)), C1, 0, TYP_NONE }, { "lsn", FLDT_UINT64X, OI(OFF(lsn)), C1, 0, TYP_NONE }, { "crc", FLDT_CRC, OI(OFF(crc)), C1, 0, TYP_NONE }, + { "free_root", FLDT_AGBLOCK, OI(OFF(free_root)), C1, 0, TYP_INOBT }, + { "free_level", FLDT_UINT32D, OI(OFF(free_level)), C1, 0, TYP_NONE }, { NULL } }; diff --git a/db/btblock.c b/db/btblock.c index 1ea0cff..cdb8b1d 100644 --- a/db/btblock.c +++ b/db/btblock.c @@ -60,6 +60,12 @@ struct xfs_db_btree { sizeof(xfs_inobt_rec_t), sizeof(__be32), }, + { XFS_FIBT_MAGIC, + XFS_BTREE_SBLOCK_LEN, + sizeof(xfs_inobt_key_t), + sizeof(xfs_inobt_rec_t), + sizeof(__be32), + }, { XFS_BMAP_CRC_MAGIC, XFS_BTREE_LBLOCK_CRC_LEN, sizeof(xfs_bmbt_key_t), @@ -84,6 +90,12 @@ struct xfs_db_btree { sizeof(xfs_inobt_rec_t), sizeof(__be32), }, + { XFS_FIBT_CRC_MAGIC, + XFS_BTREE_SBLOCK_CRC_LEN, + sizeof(xfs_inobt_key_t), + sizeof(xfs_inobt_rec_t), + sizeof(__be32), + }, { 0, }, }; -- 1.8.3.1 From bfoster@redhat.com Thu Apr 10 11:11:17 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 378A07FDB for ; Thu, 10 Apr 2014 11:11:15 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 255BE8F8040 for ; Thu, 10 Apr 2014 09:11:15 -0700 (PDT) X-ASG-Debug-ID: 1397146274-04cbb00dc3a2b30001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id LRHrNKCLaBpR1qPf for ; Thu, 10 Apr 2014 09:11:14 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3AGBDs4005015 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Thu, 10 Apr 2014 12:11:13 -0400 Received: from bfoster.bfoster ([10.18.41.237]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s3AGBCqu021278 for ; Thu, 10 Apr 2014 12:11:12 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id 565A01256D2; Thu, 10 Apr 2014 12:11:11 -0400 (EDT) From: Brian Foster To: xfs@oss.sgi.com Subject: [PATCH v3 05/20] xfs: insert newly allocated inode chunks into the finobt Date: Thu, 10 Apr 2014 12:10:55 -0400 X-ASG-Orig-Subj: [PATCH v3 05/20] xfs: insert newly allocated inode chunks into the finobt Message-Id: <1397146270-42993-6-git-send-email-bfoster@redhat.com> In-Reply-To: <1397146270-42993-1-git-send-email-bfoster@redhat.com> References: <1397146270-42993-1-git-send-email-bfoster@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1397146274 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 A newly allocated inode chunk, by definition, has at least one free inode, so a record is always inserted into the finobt. Create the xfs_inobt_insert() helper from existing code to insert a record in an inobt based on the provided BTNUM. Update xfs_ialloc_ag_alloc() to invoke the helper for the existing XFS_BTNUM_INO tree and XFS_BTNUM_FINO tree, if enabled. Signed-off-by: Brian Foster --- libxfs/xfs_ialloc.c | 93 ++++++++++++++++++++++++++++++++++++++++------------- 1 file changed, 70 insertions(+), 23 deletions(-) diff --git a/libxfs/xfs_ialloc.c b/libxfs/xfs_ialloc.c index 4a7746a..c5759aa 100644 --- a/libxfs/xfs_ialloc.c +++ b/libxfs/xfs_ialloc.c @@ -88,6 +88,66 @@ xfs_inobt_get_rec( } /* + * Insert a single inobt record. Cursor must already point to desired location. + */ +STATIC int +xfs_inobt_insert_rec( + struct xfs_btree_cur *cur, + __int32_t freecount, + xfs_inofree_t free, + int *stat) +{ + cur->bc_rec.i.ir_freecount = freecount; + cur->bc_rec.i.ir_free = free; + return xfs_btree_insert(cur, stat); +} + +/* + * Insert records describing a newly allocated inode chunk into the inobt. + */ +STATIC int +xfs_inobt_insert( + struct xfs_mount *mp, + struct xfs_trans *tp, + struct xfs_buf *agbp, + xfs_agino_t newino, + xfs_agino_t newlen, + xfs_btnum_t btnum) +{ + struct xfs_btree_cur *cur; + struct xfs_agi *agi = XFS_BUF_TO_AGI(agbp); + xfs_agnumber_t agno = be32_to_cpu(agi->agi_seqno); + xfs_agino_t thisino; + int i; + int error; + + cur = xfs_inobt_init_cursor(mp, tp, agbp, agno, btnum); + + for (thisino = newino; + thisino < newino + newlen; + thisino += XFS_INODES_PER_CHUNK) { + error = xfs_inobt_lookup(cur, thisino, XFS_LOOKUP_EQ, &i); + if (error) { + xfs_btree_del_cursor(cur, XFS_BTREE_ERROR); + return error; + } + ASSERT(i == 0); + + error = xfs_inobt_insert_rec(cur, XFS_INODES_PER_CHUNK, + XFS_INOBT_ALL_FREE, &i); + if (error) { + xfs_btree_del_cursor(cur, XFS_BTREE_ERROR); + return error; + } + ASSERT(i == 1); + } + + xfs_btree_del_cursor(cur, XFS_BTREE_NOERROR); + + return 0; +} + +/* * Verify that the number of free inodes in the AGI is correct. */ #ifdef DEBUG @@ -286,13 +346,10 @@ xfs_ialloc_ag_alloc( { xfs_agi_t *agi; /* allocation group header */ xfs_alloc_arg_t args; /* allocation argument structure */ - xfs_btree_cur_t *cur; /* inode btree cursor */ xfs_agnumber_t agno; int error; - int i; xfs_agino_t newino; /* new first inode's number */ xfs_agino_t newlen; /* new number of inodes */ - xfs_agino_t thisino; /* current inode number, for loop */ int isaligned = 0; /* inode allocation at stripe unit */ /* boundary */ struct xfs_perag *pag; @@ -430,29 +487,19 @@ xfs_ialloc_ag_alloc( agi->agi_newino = cpu_to_be32(newino); /* - * Insert records describing the new inode chunk into the btree. + * Insert records describing the new inode chunk into the btrees. */ - cur = xfs_inobt_init_cursor(args.mp, tp, agbp, agno, XFS_BTNUM_INO); - for (thisino = newino; - thisino < newino + newlen; - thisino += XFS_INODES_PER_CHUNK) { - cur->bc_rec.i.ir_startino = thisino; - cur->bc_rec.i.ir_freecount = XFS_INODES_PER_CHUNK; - cur->bc_rec.i.ir_free = XFS_INOBT_ALL_FREE; - error = xfs_btree_lookup(cur, XFS_LOOKUP_EQ, &i); - if (error) { - xfs_btree_del_cursor(cur, XFS_BTREE_ERROR); - return error; - } - ASSERT(i == 0); - error = xfs_btree_insert(cur, &i); - if (error) { - xfs_btree_del_cursor(cur, XFS_BTREE_ERROR); + error = xfs_inobt_insert(args.mp, tp, agbp, newino, newlen, + XFS_BTNUM_INO); + if (error) + return error; + + if (xfs_sb_version_hasfinobt(&args.mp->m_sb)) { + error = xfs_inobt_insert(args.mp, tp, agbp, newino, newlen, + XFS_BTNUM_FINO); + if (error) return error; - } - ASSERT(i == 1); } - xfs_btree_del_cursor(cur, XFS_BTREE_NOERROR); /* * Log allocation group header fields */ -- 1.8.3.1 From bfoster@redhat.com Thu Apr 10 11:11:17 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 449AD7FDF for ; Thu, 10 Apr 2014 11:11:15 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id 260A5304066 for ; Thu, 10 Apr 2014 09:11:15 -0700 (PDT) X-ASG-Debug-ID: 1397146274-04cbb00dc6a2b40001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id QiUj92qgHkYbd5Yf for ; Thu, 10 Apr 2014 09:11:14 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx02.intmail.prod.int.phx2.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3AGBDRT009772 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Thu, 10 Apr 2014 12:11:14 -0400 Received: from bfoster.bfoster ([10.18.41.237]) by int-mx02.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id s3AGBC6C000750 for ; Thu, 10 Apr 2014 12:11:13 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id 75F581256D4; Thu, 10 Apr 2014 12:11:12 -0400 (EDT) From: Brian Foster To: xfs@oss.sgi.com Subject: [PATCH v3 15/20] xfsprogs/repair: pass btree block magic as param to build_ino_tree() Date: Thu, 10 Apr 2014 12:11:05 -0400 X-ASG-Orig-Subj: [PATCH v3 15/20] xfsprogs/repair: pass btree block magic as param to build_ino_tree() Message-Id: <1397146270-42993-16-git-send-email-bfoster@redhat.com> In-Reply-To: <1397146270-42993-1-git-send-email-bfoster@redhat.com> References: <1397146270-42993-1-git-send-email-bfoster@redhat.com> X-Scanned-By: MIMEDefang 2.67 on 10.5.11.12 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1397146274 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 A minor cleanup to build_ino_tree() to provide the appropriate magic value for btree block initialization from the caller. This facilitates use of separate magic values for finobt blocks when building the free inode btree. Signed-off-by: Brian Foster --- repair/phase5.c | 15 +++++++++------ 1 file changed, 9 insertions(+), 6 deletions(-) diff --git a/repair/phase5.c b/repair/phase5.c index 77eb125..10ed1eb 100644 --- a/repair/phase5.c +++ b/repair/phase5.c @@ -1097,7 +1097,7 @@ build_agi(xfs_mount_t *mp, xfs_agnumber_t agno, */ static void build_ino_tree(xfs_mount_t *mp, xfs_agnumber_t agno, - bt_status_t *btree_curs) + bt_status_t *btree_curs, __uint32_t magic) { xfs_agnumber_t i; xfs_agblock_t j; @@ -1135,11 +1135,11 @@ build_ino_tree(xfs_mount_t *mp, xfs_agnumber_t agno, bt_hdr = XFS_BUF_TO_BLOCK(lptr->buf_p); memset(bt_hdr, 0, mp->m_sb.sb_blocksize); if (xfs_sb_version_hascrc(&mp->m_sb)) - xfs_btree_init_block(mp, lptr->buf_p, XFS_IBT_CRC_MAGIC, + xfs_btree_init_block(mp, lptr->buf_p, magic, i, 0, agno, XFS_BTREE_CRC_BLOCKS); else - xfs_btree_init_block(mp, lptr->buf_p, XFS_IBT_MAGIC, + xfs_btree_init_block(mp, lptr->buf_p, magic, i, 0, agno, 0); } @@ -1166,11 +1166,11 @@ build_ino_tree(xfs_mount_t *mp, xfs_agnumber_t agno, bt_hdr = XFS_BUF_TO_BLOCK(lptr->buf_p); memset(bt_hdr, 0, mp->m_sb.sb_blocksize); if (xfs_sb_version_hascrc(&mp->m_sb)) - xfs_btree_init_block(mp, lptr->buf_p, XFS_IBT_CRC_MAGIC, + xfs_btree_init_block(mp, lptr->buf_p, magic, 0, 0, agno, XFS_BTREE_CRC_BLOCKS); else - xfs_btree_init_block(mp, lptr->buf_p, XFS_IBT_MAGIC, + xfs_btree_init_block(mp, lptr->buf_p, magic, 0, 0, agno, 0); bt_hdr->bb_u.s.bb_leftsib = cpu_to_be32(lptr->prev_agbno); @@ -1483,6 +1483,7 @@ phase5_func( xfs_extlen_t freeblks2; #endif xfs_agblock_t num_extents; + __uint32_t magic; if (verbose) do_log(_(" - agno = %d\n"), agno); @@ -1616,7 +1617,9 @@ phase5_func( /* * build inode allocation tree. this also build the agi */ - build_ino_tree(mp, agno, &ino_btree_curs); + magic = xfs_sb_version_hascrc(&mp->m_sb) ? + XFS_IBT_CRC_MAGIC : XFS_IBT_MAGIC; + build_ino_tree(mp, agno, &ino_btree_curs, magic); write_cursor(&ino_btree_curs); /* * tear down cursors -- 1.8.3.1 From bfoster@redhat.com Thu Apr 10 11:11:18 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 501EB7FE1 for ; Thu, 10 Apr 2014 11:11:15 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id 1C9098F8035 for ; Thu, 10 Apr 2014 09:11:15 -0700 (PDT) X-ASG-Debug-ID: 1397146274-04bdf07dcaa40a0001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id FxTzGy9TdmZYaYHX for ; Thu, 10 Apr 2014 09:11:14 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx10.intmail.prod.int.phx2.redhat.com (int-mx10.intmail.prod.int.phx2.redhat.com [10.5.11.23]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3AGBDi2031393 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Thu, 10 Apr 2014 12:11:13 -0400 Received: from bfoster.bfoster ([10.18.41.237]) by int-mx10.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s3AGBDwW014729 for ; Thu, 10 Apr 2014 12:11:13 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id C8E3C1256CC; Thu, 10 Apr 2014 12:11:11 -0400 (EDT) From: Brian Foster To: xfs@oss.sgi.com Subject: [PATCH v3 10/20] xfs: enable the finobt feature on v5 superblocks Date: Thu, 10 Apr 2014 12:11:00 -0400 X-ASG-Orig-Subj: [PATCH v3 10/20] xfs: enable the finobt feature on v5 superblocks Message-Id: <1397146270-42993-11-git-send-email-bfoster@redhat.com> In-Reply-To: <1397146270-42993-1-git-send-email-bfoster@redhat.com> References: <1397146270-42993-1-git-send-email-bfoster@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.23 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1397146274 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 Add the finobt feature bit to the list of known features. As of this point, the kernel code knows how to mount and manage both finobt and non-finobt formatted filesystems. Signed-off-by: Brian Foster --- include/xfs_sb.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/include/xfs_sb.h b/include/xfs_sb.h index 7f53a85..950d1ea 100644 --- a/include/xfs_sb.h +++ b/include/xfs_sb.h @@ -588,7 +588,8 @@ xfs_sb_has_compat_feature( } #define XFS_SB_FEAT_RO_COMPAT_FINOBT (1 << 0) /* free inode btree */ -#define XFS_SB_FEAT_RO_COMPAT_ALL 0 +#define XFS_SB_FEAT_RO_COMPAT_ALL \ + (XFS_SB_FEAT_RO_COMPAT_FINOBT) #define XFS_SB_FEAT_RO_COMPAT_UNKNOWN ~XFS_SB_FEAT_RO_COMPAT_ALL static inline bool xfs_sb_has_ro_compat_feature( -- 1.8.3.1 From bfoster@redhat.com Thu Apr 10 11:11:18 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 60E507F91 for ; Thu, 10 Apr 2014 11:11:15 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 04B96AC002 for ; Thu, 10 Apr 2014 09:11:14 -0700 (PDT) X-ASG-Debug-ID: 1397146273-04cbb00dc4a2b30001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id AbDQqhyLHhqieUQm for ; Thu, 10 Apr 2014 09:11:14 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx09.intmail.prod.int.phx2.redhat.com (int-mx09.intmail.prod.int.phx2.redhat.com [10.5.11.22]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3AGBDMp008063 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Thu, 10 Apr 2014 12:11:13 -0400 Received: from bfoster.bfoster ([10.18.41.237]) by int-mx09.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s3AGBCsd023652 for ; Thu, 10 Apr 2014 12:11:13 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id 4A9811256D2; Thu, 10 Apr 2014 12:11:12 -0400 (EDT) From: Brian Foster To: xfs@oss.sgi.com Subject: [PATCH v3 13/20] xfsprogs/repair: account for finobt in ag 0 geometry pre-calculation Date: Thu, 10 Apr 2014 12:11:03 -0400 X-ASG-Orig-Subj: [PATCH v3 13/20] xfsprogs/repair: account for finobt in ag 0 geometry pre-calculation Message-Id: <1397146270-42993-14-git-send-email-bfoster@redhat.com> In-Reply-To: <1397146270-42993-1-git-send-email-bfoster@redhat.com> References: <1397146270-42993-1-git-send-email-bfoster@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.22 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1397146273 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 Account for the finobt in calc_mkfs(). Signed-off-by: Brian Foster --- repair/xfs_repair.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/repair/xfs_repair.c b/repair/xfs_repair.c index 08b25f0..356125b 100644 --- a/repair/xfs_repair.c +++ b/repair/xfs_repair.c @@ -407,6 +407,8 @@ calc_mkfs(xfs_mount_t *mp) bcntbt_root = bnobt_root + 1; inobt_root = bnobt_root + 2; fino_bno = inobt_root + XFS_MIN_FREELIST_RAW(1, 1, mp) + 1; + if (xfs_sb_version_hasfinobt(&mp->m_sb)) + fino_bno++; /* * If the log is allocated in the first allocation group we need to -- 1.8.3.1 From bfoster@redhat.com Thu Apr 10 11:11:18 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 480C17FE0 for ; Thu, 10 Apr 2014 11:11:15 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id C3E5FAC00C for ; Thu, 10 Apr 2014 09:11:14 -0700 (PDT) X-ASG-Debug-ID: 1397146273-04cb6c77b49f160001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id 0vk6GiCyzEpazaQ5 for ; Thu, 10 Apr 2014 09:11:13 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx14.intmail.prod.int.phx2.redhat.com (int-mx14.intmail.prod.int.phx2.redhat.com [10.5.11.27]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3AGBDlh007972 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Thu, 10 Apr 2014 12:11:13 -0400 Received: from bfoster.bfoster ([10.18.41.237]) by int-mx14.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s3AGBCBQ015427 for ; Thu, 10 Apr 2014 12:11:12 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id 7D8721256DA; Thu, 10 Apr 2014 12:11:11 -0400 (EDT) From: Brian Foster To: xfs@oss.sgi.com Subject: [PATCH v3 08/20] xfs: update the finobt on inode free Date: Thu, 10 Apr 2014 12:10:58 -0400 X-ASG-Orig-Subj: [PATCH v3 08/20] xfs: update the finobt on inode free Message-Id: <1397146270-42993-9-git-send-email-bfoster@redhat.com> In-Reply-To: <1397146270-42993-1-git-send-email-bfoster@redhat.com> References: <1397146270-42993-1-git-send-email-bfoster@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.27 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1397146273 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 An inode free operation can have several effects on the finobt. If all inodes have been freed and the chunk deallocated, we remove the finobt record. If the inode chunk was previously full, we must insert a new record based on the existing inobt record. Otherwise, we modify the record in place. Create the xfs_ifree_finobt() function to identify the potential scenarios and update the finobt appropriately. Signed-off-by: Brian Foster --- libxfs/xfs_ialloc.c | 109 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 109 insertions(+) diff --git a/libxfs/xfs_ialloc.c b/libxfs/xfs_ialloc.c index f0d6397..21af5b3 100644 --- a/libxfs/xfs_ialloc.c +++ b/libxfs/xfs_ialloc.c @@ -1454,6 +1454,106 @@ error0: } /* + * Free an inode in the free inode btree. + */ +STATIC int +xfs_difree_finobt( + struct xfs_mount *mp, + struct xfs_trans *tp, + struct xfs_buf *agbp, + xfs_agino_t agino, + struct xfs_inobt_rec_incore *ibtrec) /* inobt record */ +{ + struct xfs_agi *agi = XFS_BUF_TO_AGI(agbp); + xfs_agnumber_t agno = be32_to_cpu(agi->agi_seqno); + struct xfs_btree_cur *cur; + struct xfs_inobt_rec_incore rec; + int offset = agino - ibtrec->ir_startino; + int error; + int i; + + cur = xfs_inobt_init_cursor(mp, tp, agbp, agno, XFS_BTNUM_FINO); + + error = xfs_inobt_lookup(cur, ibtrec->ir_startino, XFS_LOOKUP_EQ, &i); + if (error) + goto error; + if (i == 0) { + /* + * If the record does not exist in the finobt, we must have just + * freed an inode in a previously fully allocated chunk. If not, + * something is out of sync. + */ + XFS_WANT_CORRUPTED_GOTO(ibtrec->ir_freecount == 1, error); + + error = xfs_inobt_insert_rec(cur, ibtrec->ir_freecount, + ibtrec->ir_free, &i); + if (error) + goto error; + ASSERT(i == 1); + + goto out; + } + + /* + * Read and update the existing record. + */ + error = xfs_inobt_get_rec(cur, &rec, &i); + if (error) + goto error; + XFS_WANT_CORRUPTED_GOTO(i == 1, error); + + rec.ir_free |= XFS_INOBT_MASK(offset); + rec.ir_freecount++; + + XFS_WANT_CORRUPTED_GOTO((rec.ir_free == ibtrec->ir_free) && + (rec.ir_freecount == ibtrec->ir_freecount), + error); + + /* + * The content of inobt records should always match between the inobt + * and finobt. The lifecycle of records in the finobt is different from + * the inobt in that the finobt only tracks records with at least one + * free inode. This is to optimize lookup for inode allocation purposes. + * The following checks determine whether to update the existing record or + * remove it entirely. + */ + + if (rec.ir_freecount == XFS_IALLOC_INODES(mp) && + !(mp->m_flags & XFS_MOUNT_IKEEP)) { + /* + * If all inodes are free and we're in !ikeep mode, the entire + * inode chunk has been deallocated. Remove the record from the + * finobt. + */ + error = xfs_btree_delete(cur, &i); + if (error) + goto error; + ASSERT(i == 1); + } else { + /* + * The existing finobt record was modified and has a combination + * of allocated and free inodes or is completely free and ikeep + * is enabled. Update the record. + */ + error = xfs_inobt_update(cur, &rec); + if (error) + goto error; + } + +out: + error = xfs_check_agi_freecount(cur, agi); + if (error) + goto error; + + xfs_btree_del_cursor(cur, XFS_BTREE_NOERROR); + return 0; + +error: + xfs_btree_del_cursor(cur, XFS_BTREE_ERROR); + return error; +} + +/* * Free disk inode. Carefully avoids touching the incore inode, all * manipulations incore are the caller's responsibility. * The on-disk inode is not changed by this operation, only the @@ -1521,6 +1621,15 @@ xfs_difree( if (error) goto error0; + /* + * Fix up the free inode btree. + */ + if (xfs_sb_version_hasfinobt(&mp->m_sb)) { + error = xfs_difree_finobt(mp, tp, agbp, agino, &rec); + if (error) + goto error0; + } + return 0; error0: -- 1.8.3.1 From bfoster@redhat.com Thu Apr 10 11:11:19 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id A15D67FED for ; Thu, 10 Apr 2014 11:11:15 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id 50A99AC007 for ; Thu, 10 Apr 2014 09:11:15 -0700 (PDT) X-ASG-Debug-ID: 1397146274-04bdf07dc7a40a0001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id g57KJj2mZSfvBeCm for ; Thu, 10 Apr 2014 09:11:14 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx10.intmail.prod.int.phx2.redhat.com (int-mx10.intmail.prod.int.phx2.redhat.com [10.5.11.23]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3AGBEW4009777 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Thu, 10 Apr 2014 12:11:14 -0400 Received: from bfoster.bfoster ([10.18.41.237]) by int-mx10.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s3AGBDwY014729 for ; Thu, 10 Apr 2014 12:11:13 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id 96CB21256CC; Thu, 10 Apr 2014 12:11:12 -0400 (EDT) From: Brian Foster To: xfs@oss.sgi.com Subject: [PATCH v3 16/20] xfsprogs/repair: pull the build_agi() call up out of the inode tree build Date: Thu, 10 Apr 2014 12:11:06 -0400 X-ASG-Orig-Subj: [PATCH v3 16/20] xfsprogs/repair: pull the build_agi() call up out of the inode tree build Message-Id: <1397146270-42993-17-git-send-email-bfoster@redhat.com> In-Reply-To: <1397146270-42993-1-git-send-email-bfoster@redhat.com> References: <1397146270-42993-1-git-send-email-bfoster@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.23 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1397146274 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 Pull the build_agi() call out of build_ino_tree() in phase 5. This is to prepare for finobt support, in which build_agi() will require context from multiple inode tree reconstructions (both the inode allocation tree and free inode tree, when it exists). Create the new 'agi_stat' structure to carry the requisite state from the build_ino_tree() operation to build_agi(). Signed-off-by: Brian Foster --- repair/phase5.c | 36 +++++++++++++++++++++++++++--------- 1 file changed, 27 insertions(+), 9 deletions(-) diff --git a/repair/phase5.c b/repair/phase5.c index 10ed1eb..9632d2c 100644 --- a/repair/phase5.c +++ b/repair/phase5.c @@ -74,6 +74,15 @@ typedef struct bt_status { bt_stat_level_t level[XFS_BTREE_MAXLEVELS]; } bt_status_t; +/* + * extra metadata for the agi + */ +struct agi_stat { + xfs_agino_t first_agino; + xfs_agino_t count; + xfs_agino_t freecount; +}; + static __uint64_t *sb_icount_ag; /* allocated inodes per ag */ static __uint64_t *sb_ifree_ag; /* free inodes per ag */ static __uint64_t *sb_fdblocks_ag; /* free data blocks per ag */ @@ -1053,8 +1062,7 @@ prop_ino_cursor(xfs_mount_t *mp, xfs_agnumber_t agno, bt_status_t *btree_curs, */ static void build_agi(xfs_mount_t *mp, xfs_agnumber_t agno, - bt_status_t *btree_curs, xfs_agino_t first_agino, - xfs_agino_t count, xfs_agino_t freecount) + bt_status_t *btree_curs, struct agi_stat *agi_stat) { xfs_buf_t *agi_buf; xfs_agi_t *agi; @@ -1075,11 +1083,11 @@ build_agi(xfs_mount_t *mp, xfs_agnumber_t agno, else agi->agi_length = cpu_to_be32(mp->m_sb.sb_dblocks - (xfs_drfsbno_t) mp->m_sb.sb_agblocks * agno); - agi->agi_count = cpu_to_be32(count); + agi->agi_count = cpu_to_be32(agi_stat->count); agi->agi_root = cpu_to_be32(btree_curs->root); agi->agi_level = cpu_to_be32(btree_curs->num_levels); - agi->agi_freecount = cpu_to_be32(freecount); - agi->agi_newino = cpu_to_be32(first_agino); + agi->agi_freecount = cpu_to_be32(agi_stat->freecount); + agi->agi_newino = cpu_to_be32(agi_stat->first_agino); agi->agi_dirino = cpu_to_be32(NULLAGINO); for (i = 0; i < XFS_AGI_UNLINKED_BUCKETS; i++) @@ -1097,7 +1105,8 @@ build_agi(xfs_mount_t *mp, xfs_agnumber_t agno, */ static void build_ino_tree(xfs_mount_t *mp, xfs_agnumber_t agno, - bt_status_t *btree_curs, __uint32_t magic) + bt_status_t *btree_curs, __uint32_t magic, + struct agi_stat *agi_stat) { xfs_agnumber_t i; xfs_agblock_t j; @@ -1227,7 +1236,11 @@ build_ino_tree(xfs_mount_t *mp, xfs_agnumber_t agno, } } - build_agi(mp, agno, btree_curs, first_agino, count, freecount); + if (agi_stat) { + agi_stat->first_agino = first_agino; + agi_stat->count = count; + agi_stat->freecount = freecount; + } } /* @@ -1484,6 +1497,7 @@ phase5_func( #endif xfs_agblock_t num_extents; __uint32_t magic; + struct agi_stat agi_stat = {0,}; if (verbose) do_log(_(" - agno = %d\n"), agno); @@ -1615,12 +1629,16 @@ phase5_func( build_agf_agfl(mp, agno, &bno_btree_curs, &bcnt_btree_curs, freeblks1, extra_blocks); /* - * build inode allocation tree. this also build the agi + * build inode allocation tree. */ magic = xfs_sb_version_hascrc(&mp->m_sb) ? XFS_IBT_CRC_MAGIC : XFS_IBT_MAGIC; - build_ino_tree(mp, agno, &ino_btree_curs, magic); + build_ino_tree(mp, agno, &ino_btree_curs, magic, &agi_stat); write_cursor(&ino_btree_curs); + + /* build the agi */ + build_agi(mp, agno, &ino_btree_curs, &agi_stat); + /* * tear down cursors */ -- 1.8.3.1 From bfoster@redhat.com Thu Apr 10 11:11:19 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 85A587FE9 for ; Thu, 10 Apr 2014 11:11:15 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 5B4138F8035 for ; Thu, 10 Apr 2014 09:11:15 -0700 (PDT) X-ASG-Debug-ID: 1397146274-04cb6c77b79f180001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id GJE9gdSNauf9yAIU for ; Thu, 10 Apr 2014 09:11:14 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx02.intmail.prod.int.phx2.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3AGBD8x005014 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Thu, 10 Apr 2014 12:11:13 -0400 Received: from bfoster.bfoster ([10.18.41.237]) by int-mx02.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id s3AGBCQu000747 for ; Thu, 10 Apr 2014 12:11:12 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id 649371256D6; Thu, 10 Apr 2014 12:11:11 -0400 (EDT) From: Brian Foster To: xfs@oss.sgi.com Subject: [PATCH v3 06/20] xfs: use and update the finobt on inode allocation Date: Thu, 10 Apr 2014 12:10:56 -0400 X-ASG-Orig-Subj: [PATCH v3 06/20] xfs: use and update the finobt on inode allocation Message-Id: <1397146270-42993-7-git-send-email-bfoster@redhat.com> In-Reply-To: <1397146270-42993-1-git-send-email-bfoster@redhat.com> References: <1397146270-42993-1-git-send-email-bfoster@redhat.com> X-Scanned-By: MIMEDefang 2.67 on 10.5.11.12 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1397146274 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 Replace xfs_dialloc_ag() with an implementation that looks for a record in the finobt. The finobt only tracks records with at least one free inode. This eliminates the need for the intra-ag scan in the original algorithm. Once the inode is allocated, update the finobt appropriately (possibly removing the record) as well as the inobt. Move the original xfs_dialloc_ag() algorithm to xfs_dialloc_ag_slow() and fall back as such if finobt support is not enabled. Signed-off-by: Brian Foster --- libxfs/xfs_ialloc.c | 211 +++++++++++++++++++++++++++++++++++++++++++++++++++- 1 file changed, 210 insertions(+), 1 deletion(-) diff --git a/libxfs/xfs_ialloc.c b/libxfs/xfs_ialloc.c index c5759aa..462340b 100644 --- a/libxfs/xfs_ialloc.c +++ b/libxfs/xfs_ialloc.c @@ -699,7 +699,7 @@ xfs_ialloc_get_rec( * available. */ STATIC int -xfs_dialloc_ag( +xfs_dialloc_ag_slow( struct xfs_trans *tp, struct xfs_buf *agbp, xfs_ino_t parent, @@ -957,6 +957,215 @@ error0: return error; } +STATIC int +xfs_dialloc_ag( + struct xfs_trans *tp, + struct xfs_buf *agbp, + xfs_ino_t parent, + xfs_ino_t *inop) +{ + struct xfs_mount *mp = tp->t_mountp; + struct xfs_agi *agi = XFS_BUF_TO_AGI(agbp); + xfs_agnumber_t agno = be32_to_cpu(agi->agi_seqno); + xfs_agnumber_t pagno = XFS_INO_TO_AGNO(mp, parent); + xfs_agino_t pagino = XFS_INO_TO_AGINO(mp, parent); + struct xfs_perag *pag; + struct xfs_btree_cur *cur; + struct xfs_btree_cur *tcur; + struct xfs_inobt_rec_incore rec; + struct xfs_inobt_rec_incore trec; + xfs_ino_t ino; + int error; + int offset; + int i, j; + + if (!xfs_sb_version_hasfinobt(&mp->m_sb)) + return xfs_dialloc_ag_slow(tp, agbp, parent, inop); + + pag = xfs_perag_get(mp, agno); + + /* + * If pagino is 0 (this is the root inode allocation) use newino. + * This must work because we've just allocated some. + */ + if (!pagino) + pagino = be32_to_cpu(agi->agi_newino); + + cur = xfs_inobt_init_cursor(mp, tp, agbp, agno, XFS_BTNUM_FINO); + + error = xfs_check_agi_freecount(cur, agi); + if (error) + goto error_cur; + + if (agno == pagno) { + /* + * We're in the same AG as the parent inode so allocate the + * closest inode to the parent. + */ + error = xfs_inobt_lookup(cur, pagino, XFS_LOOKUP_LE, &i); + if (error) + goto error_cur; + if (i == 1) { + error = xfs_inobt_get_rec(cur, &rec, &i); + if (error) + goto error_cur; + XFS_WANT_CORRUPTED_GOTO(i == 1, error_cur); + + /* + * See if we've landed in the parent inode record. The + * finobt only tracks chunks with at least one free + * inode, so record existence is enough. + */ + if (pagino >= rec.ir_startino && + pagino < (rec.ir_startino + XFS_INODES_PER_CHUNK)) + goto alloc_inode; + } + + error = xfs_btree_dup_cursor(cur, &tcur); + if (error) + goto error_cur; + + error = xfs_inobt_lookup(tcur, pagino, XFS_LOOKUP_GE, &j); + if (error) + goto error_tcur; + if (j == 1) { + error = xfs_inobt_get_rec(tcur, &trec, &j); + if (error) + goto error_tcur; + XFS_WANT_CORRUPTED_GOTO(j == 1, error_tcur); + } + + if (i == 1 && j == 1) { + if ((pagino - rec.ir_startino + XFS_INODES_PER_CHUNK - 1) > + (trec.ir_startino - pagino)) { + rec = trec; + xfs_btree_del_cursor(cur, XFS_BTREE_NOERROR); + cur = tcur; + } else { + xfs_btree_del_cursor(tcur, XFS_BTREE_NOERROR); + } + } else if (j == 1) { + rec = trec; + xfs_btree_del_cursor(cur, XFS_BTREE_NOERROR); + cur = tcur; + } else { + xfs_btree_del_cursor(tcur, XFS_BTREE_NOERROR); + } + } else { + /* + * Different AG from the parent inode. Check the record for the + * most recently allocated inode. + */ + if (agi->agi_newino != cpu_to_be32(NULLAGINO)) { + error = xfs_inobt_lookup(cur, agi->agi_newino, + XFS_LOOKUP_EQ, &i); + if (error) + goto error_cur; + if (i == 1) { + error = xfs_inobt_get_rec(cur, &rec, &i); + if (error) + goto error_cur; + XFS_WANT_CORRUPTED_GOTO(i == 1, error_cur); + goto alloc_inode; + } + } + + /* + * Allocate the first inode available in the AG. + */ + error = xfs_inobt_lookup(cur, 0, XFS_LOOKUP_GE, &i); + if (error) + goto error_cur; + XFS_WANT_CORRUPTED_GOTO(i == 1, error_cur); + + error = xfs_inobt_get_rec(cur, &rec, &i); + if (error) + goto error_cur; + XFS_WANT_CORRUPTED_GOTO(i == 1, error_cur); + } + +alloc_inode: + offset = xfs_lowbit64(rec.ir_free); + ASSERT(offset >= 0); + ASSERT(offset < XFS_INODES_PER_CHUNK); + ASSERT((XFS_AGINO_TO_OFFSET(mp, rec.ir_startino) % + XFS_INODES_PER_CHUNK) == 0); + ino = XFS_AGINO_TO_INO(mp, agno, rec.ir_startino + offset); + + /* + * Modify or remove the finobt record. + */ + rec.ir_free &= ~XFS_INOBT_MASK(offset); + rec.ir_freecount--; + if (rec.ir_freecount) + error = xfs_inobt_update(cur, &rec); + else + error = xfs_btree_delete(cur, &i); + if (error) + goto error_cur; + + /* + * Lookup and modify the equivalent record in the inobt. + */ + tcur = xfs_inobt_init_cursor(mp, tp, agbp, agno, XFS_BTNUM_INO); + + error = xfs_check_agi_freecount(tcur, agi); + if (error) + goto error_tcur; + + error = xfs_inobt_lookup(tcur, rec.ir_startino, XFS_LOOKUP_EQ, &i); + if (error) + goto error_tcur; + XFS_WANT_CORRUPTED_GOTO(i == 1, error_tcur); + + error = xfs_inobt_get_rec(tcur, &trec, &i); + if (error) + goto error_tcur; + XFS_WANT_CORRUPTED_GOTO(i == 1, error_tcur); + ASSERT((XFS_AGINO_TO_OFFSET(mp, trec.ir_startino) % + XFS_INODES_PER_CHUNK) == 0); + + trec.ir_free &= ~XFS_INOBT_MASK(offset); + trec.ir_freecount--; + + XFS_WANT_CORRUPTED_GOTO((rec.ir_free == trec.ir_free) && + (rec.ir_freecount == trec.ir_freecount), + error_tcur); + + error = xfs_inobt_update(tcur, &trec); + if (error) + goto error_tcur; + + /* + * Update the perag and superblock. + */ + be32_add_cpu(&agi->agi_freecount, -1); + xfs_ialloc_log_agi(tp, agbp, XFS_AGI_FREECOUNT); + pag->pagi_freecount--; + + xfs_trans_mod_sb(tp, XFS_TRANS_SB_IFREE, -1); + + error = xfs_check_agi_freecount(tcur, agi); + if (error) + goto error_tcur; + error = xfs_check_agi_freecount(cur, agi); + if (error) + goto error_tcur; + + xfs_btree_del_cursor(tcur, XFS_BTREE_NOERROR); + xfs_btree_del_cursor(cur, XFS_BTREE_NOERROR); + xfs_perag_put(pag); + *inop = ino; + return 0; + +error_tcur: + xfs_btree_del_cursor(tcur, XFS_BTREE_ERROR); +error_cur: + xfs_btree_del_cursor(cur, XFS_BTREE_ERROR); + xfs_perag_put(pag); + return error; +} + /* * Allocate an inode on disk. * -- 1.8.3.1 From bfoster@redhat.com Thu Apr 10 11:11:19 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id CB38D7FF3 for ; Thu, 10 Apr 2014 11:11:15 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id B7A8A8F8035 for ; Thu, 10 Apr 2014 09:11:15 -0700 (PDT) X-ASG-Debug-ID: 1397146274-04cb6c77b59f180001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id dRlE93ek2CgZiul7 for ; Thu, 10 Apr 2014 09:11:14 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3AGBEs8003828 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Thu, 10 Apr 2014 12:11:14 -0400 Received: from bfoster.bfoster ([10.18.41.237]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s3AGBCr0021278 for ; Thu, 10 Apr 2014 12:11:13 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id B91EB1256CE; Thu, 10 Apr 2014 12:11:12 -0400 (EDT) From: Brian Foster To: xfs@oss.sgi.com Subject: [PATCH v3 18/20] xfsprogs/repair: reconstruct the finobt in phase 5 Date: Thu, 10 Apr 2014 12:11:08 -0400 X-ASG-Orig-Subj: [PATCH v3 18/20] xfsprogs/repair: reconstruct the finobt in phase 5 Message-Id: <1397146270-42993-19-git-send-email-bfoster@redhat.com> In-Reply-To: <1397146270-42993-1-git-send-email-bfoster@redhat.com> References: <1397146270-42993-1-git-send-email-bfoster@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1397146274 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 Support reconstruction of the finobt in phase 5 of xfs_repair. We create a new cursor for the finobt and write the in-core records that contain free inodes to the tree. Finally, pass the cursor along to build_agi() to include the finobt root and level count in the agi header. Signed-off-by: Brian Foster --- repair/phase5.c | 70 ++++++++++++++++++++++++++++++++++++++++++++++----------- 1 file changed, 57 insertions(+), 13 deletions(-) diff --git a/repair/phase5.c b/repair/phase5.c index 9632d2c..e138a6a 100644 --- a/repair/phase5.c +++ b/repair/phase5.c @@ -881,10 +881,11 @@ build_freespace_tree(xfs_mount_t *mp, xfs_agnumber_t agno, */ static void init_ino_cursor(xfs_mount_t *mp, xfs_agnumber_t agno, bt_status_t *btree_curs, - __uint64_t *num_inos, __uint64_t *num_free_inos) + __uint64_t *num_inos, __uint64_t *num_free_inos, int finobt) { __uint64_t ninos; __uint64_t nfinos; + __uint64_t rec_nfinos; ino_tree_node_t *ino_rec; int num_recs; int level; @@ -920,13 +921,22 @@ init_ino_cursor(xfs_mount_t *mp, xfs_agnumber_t agno, bt_status_t *btree_curs, * build up statistics */ for (num_recs = 0; ino_rec != NULL; ino_rec = next_ino_rec(ino_rec)) { - ninos += XFS_INODES_PER_CHUNK; - num_recs++; + rec_nfinos = 0; for (i = 0; i < XFS_INODES_PER_CHUNK; i++) { ASSERT(is_inode_confirmed(ino_rec, i)); if (is_inode_free(ino_rec, i)) - nfinos++; + rec_nfinos++; } + + /* + * finobt only considers records with free inodes + */ + if (finobt && !rec_nfinos) + continue; + + nfinos += rec_nfinos; + ninos += XFS_INODES_PER_CHUNK; + num_recs++; } blocks_allocated = lptr->num_blocks = howmany(num_recs, @@ -1061,8 +1071,8 @@ prop_ino_cursor(xfs_mount_t *mp, xfs_agnumber_t agno, bt_status_t *btree_curs, * XXX: yet more code that can be shared with mkfs, growfs. */ static void -build_agi(xfs_mount_t *mp, xfs_agnumber_t agno, - bt_status_t *btree_curs, struct agi_stat *agi_stat) +build_agi(xfs_mount_t *mp, xfs_agnumber_t agno, bt_status_t *btree_curs, + bt_status_t *finobt_curs, struct agi_stat *agi_stat) { xfs_buf_t *agi_buf; xfs_agi_t *agi; @@ -1096,6 +1106,11 @@ build_agi(xfs_mount_t *mp, xfs_agnumber_t agno, if (xfs_sb_version_hascrc(&mp->m_sb)) platform_uuid_copy(&agi->agi_uuid, &mp->m_sb.sb_uuid); + if (xfs_sb_version_hasfinobt(&mp->m_sb)) { + agi->agi_free_root = cpu_to_be32(finobt_curs->root); + agi->agi_free_level = cpu_to_be32(finobt_curs->num_levels); + } + libxfs_writebuf(agi_buf, 0); } @@ -1106,7 +1121,7 @@ build_agi(xfs_mount_t *mp, xfs_agnumber_t agno, static void build_ino_tree(xfs_mount_t *mp, xfs_agnumber_t agno, bt_status_t *btree_curs, __uint32_t magic, - struct agi_stat *agi_stat) + struct agi_stat *agi_stat, int finobt) { xfs_agnumber_t i; xfs_agblock_t j; @@ -1158,7 +1173,10 @@ build_ino_tree(xfs_mount_t *mp, xfs_agnumber_t agno, * pointers for the parent. that can recurse up to the root * if required. set the sibling pointers for leaf level here. */ - ino_rec = findfirst_inode_rec(agno); + if (finobt) + ino_rec = findfirst_free_inode_rec(agno); + else + ino_rec = findfirst_inode_rec(agno); if (ino_rec != NULL) first_agino = ino_rec->ino_startnum; @@ -1210,7 +1228,11 @@ build_ino_tree(xfs_mount_t *mp, xfs_agnumber_t agno, bt_rec[j].ir_freecount = cpu_to_be32(inocnt); freecount += inocnt; count += XFS_INODES_PER_CHUNK; - ino_rec = next_ino_rec(ino_rec); + + if (finobt) + ino_rec = next_free_ino_rec(ino_rec); + else + ino_rec = next_ino_rec(ino_rec); } if (ino_rec != NULL) { @@ -1486,9 +1508,12 @@ phase5_func( { __uint64_t num_inos; __uint64_t num_free_inos; + __uint64_t finobt_num_inos; + __uint64_t finobt_num_free_inos; bt_status_t bno_btree_curs; bt_status_t bcnt_btree_curs; bt_status_t ino_btree_curs; + bt_status_t fino_btree_curs; int extra_blocks = 0; uint num_freeblocks; xfs_extlen_t freeblks1; @@ -1533,8 +1558,13 @@ phase5_func( * on-disk btrees (includs pre-allocating all * required blocks for the trees themselves) */ - init_ino_cursor(mp, agno, &ino_btree_curs, - &num_inos, &num_free_inos); + init_ino_cursor(mp, agno, &ino_btree_curs, &num_inos, + &num_free_inos, 0); + + if (xfs_sb_version_hasfinobt(&mp->m_sb)) + init_ino_cursor(mp, agno, &fino_btree_curs, + &finobt_num_inos, &finobt_num_free_inos, + 1); sb_icount_ag[agno] += num_inos; sb_ifree_ag[agno] += num_free_inos; @@ -1633,17 +1663,31 @@ phase5_func( */ magic = xfs_sb_version_hascrc(&mp->m_sb) ? XFS_IBT_CRC_MAGIC : XFS_IBT_MAGIC; - build_ino_tree(mp, agno, &ino_btree_curs, magic, &agi_stat); + build_ino_tree(mp, agno, &ino_btree_curs, magic, &agi_stat, 0); write_cursor(&ino_btree_curs); + /* + * build free inode tree + */ + if (xfs_sb_version_hasfinobt(&mp->m_sb)) { + magic = xfs_sb_version_hascrc(&mp->m_sb) ? + XFS_FIBT_CRC_MAGIC : XFS_FIBT_MAGIC; + build_ino_tree(mp, agno, &fino_btree_curs, magic, + NULL, 1); + write_cursor(&fino_btree_curs); + } + /* build the agi */ - build_agi(mp, agno, &ino_btree_curs, &agi_stat); + build_agi(mp, agno, &ino_btree_curs, &fino_btree_curs, + &agi_stat); /* * tear down cursors */ finish_cursor(&bno_btree_curs); finish_cursor(&ino_btree_curs); + if (xfs_sb_version_hasfinobt(&mp->m_sb)) + finish_cursor(&fino_btree_curs); finish_cursor(&bcnt_btree_curs); /* * release the incore per-AG bno/bcnt trees so -- 1.8.3.1 From bfoster@redhat.com Thu Apr 10 11:11:19 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id E0D137FF5 for ; Thu, 10 Apr 2014 11:11:15 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id BA7A68F8052 for ; Thu, 10 Apr 2014 09:11:15 -0700 (PDT) X-ASG-Debug-ID: 1397146274-04bdf07dcaa40b0001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id b3BksdFdj9hbuC5I for ; Thu, 10 Apr 2014 09:11:14 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx14.intmail.prod.int.phx2.redhat.com (int-mx14.intmail.prod.int.phx2.redhat.com [10.5.11.27]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3AGBEop003921 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Thu, 10 Apr 2014 12:11:14 -0400 Received: from bfoster.bfoster ([10.18.41.237]) by int-mx14.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s3AGBCBU015427 for ; Thu, 10 Apr 2014 12:11:14 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id 0305F1256D2; Thu, 10 Apr 2014 12:11:12 -0400 (EDT) From: Brian Foster To: xfs@oss.sgi.com Subject: [PATCH v3 20/20] xfsprogs/db: add finobt support to metadump Date: Thu, 10 Apr 2014 12:11:10 -0400 X-ASG-Orig-Subj: [PATCH v3 20/20] xfsprogs/db: add finobt support to metadump Message-Id: <1397146270-42993-21-git-send-email-bfoster@redhat.com> In-Reply-To: <1397146270-42993-1-git-send-email-bfoster@redhat.com> References: <1397146270-42993-1-git-send-email-bfoster@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.27 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1397146274 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 Include the free inode btree in metadump images. If the source fs is finobt-enabled, run an additional scan_btree() of the finobt. Since the private 'agi' scanfunc_ino() parameter is unused, change the private parameter to a flag that indicates whether the current scan is for the inobt or finobt. If the latter, we skip copying the actual inode chunks as this work is already performed by the inobt scan. Signed-off-by: Brian Foster --- db/metadump.c | 25 ++++++++++++++++++++++++- 1 file changed, 24 insertions(+), 1 deletion(-) diff --git a/db/metadump.c b/db/metadump.c index 09bb85a..38cd441 100644 --- a/db/metadump.c +++ b/db/metadump.c @@ -1917,6 +1917,7 @@ scanfunc_ino( xfs_inobt_ptr_t *pp; int i; int numrecs; + int finobt = *(int *) arg; numrecs = be16_to_cpu(block->bb_numrecs); @@ -1928,6 +1929,14 @@ scanfunc_ino( typtab[btype].name, agno, agbno); numrecs = mp->m_inobt_mxr[0]; } + + /* + * Only copy the btree blocks for the finobt. The inobt scan + * copies the inode chunks. + */ + if (finobt) + return 1; + rp = XFS_INOBT_REC_ADDR(mp, block, 1); for (i = 0; i < numrecs; i++, rp++) { if (!copy_inode_chunk(agno, rp)) @@ -1967,6 +1976,7 @@ copy_inodes( { xfs_agblock_t root; int levels; + int finobt = 0; root = be32_to_cpu(agi->agi_root); levels = be32_to_cpu(agi->agi_level); @@ -1985,7 +1995,20 @@ copy_inodes( return 1; } - return scan_btree(agno, root, levels, TYP_INOBT, agi, scanfunc_ino); + if (!scan_btree(agno, root, levels, TYP_INOBT, &finobt, scanfunc_ino)) + return 0; + + if (xfs_sb_version_hasfinobt(&mp->m_sb)) { + root = be32_to_cpu(agi->agi_free_root); + levels = be32_to_cpu(agi->agi_free_level); + + finobt = 1; + if (!scan_btree(agno, root, levels, TYP_INOBT, &finobt, + scanfunc_ino)) + return 0; + } + + return 1; } static int -- 1.8.3.1 From bfoster@redhat.com Thu Apr 10 11:11:20 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 148C87FF8 for ; Thu, 10 Apr 2014 11:11:16 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id E5D0D8F8035 for ; Thu, 10 Apr 2014 09:11:15 -0700 (PDT) X-ASG-Debug-ID: 1397146275-04cb6c77b79f190001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id 25joU6doOfcb11yi for ; Thu, 10 Apr 2014 09:11:15 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx02.intmail.prod.int.phx2.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3AGBEwW005037 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Thu, 10 Apr 2014 12:11:14 -0400 Received: from bfoster.bfoster ([10.18.41.237]) by int-mx02.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id s3AGBCR0000747 for ; Thu, 10 Apr 2014 12:11:13 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id B0BBF125602; Thu, 10 Apr 2014 12:11:12 -0400 (EDT) From: Brian Foster To: xfs@oss.sgi.com Subject: [PATCH v3 17/20] xfsprogs/repair: helpers for finding in-core inode records w/ free inodes Date: Thu, 10 Apr 2014 12:11:07 -0400 X-ASG-Orig-Subj: [PATCH v3 17/20] xfsprogs/repair: helpers for finding in-core inode records w/ free inodes Message-Id: <1397146270-42993-18-git-send-email-bfoster@redhat.com> In-Reply-To: <1397146270-42993-1-git-send-email-bfoster@redhat.com> References: <1397146270-42993-1-git-send-email-bfoster@redhat.com> X-Scanned-By: MIMEDefang 2.67 on 10.5.11.12 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1397146275 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 Add the findfirst_free_inode_rec() and next_free_ino_rec() helpers to assist scanning the in-core inode records for records with at least one free inode. These will be used to determine what records are included in the free inode btree. Signed-off-by: Brian Foster --- repair/incore.h | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) diff --git a/repair/incore.h b/repair/incore.h index 5419884..5f8c188 100644 --- a/repair/incore.h +++ b/repair/incore.h @@ -381,6 +381,33 @@ void clear_uncertain_ino_cache(xfs_agnumber_t agno); ((ino_tree_node_t *) ((ino_node_ptr)->avl_node.avl_forw)) /* + * finobt helpers + */ +static inline ino_tree_node_t * +findfirst_free_inode_rec(xfs_agnumber_t agno) +{ + ino_tree_node_t *ino_rec; + + ino_rec = findfirst_inode_rec(agno); + + while (ino_rec && !ino_rec->ir_free) + ino_rec = next_ino_rec(ino_rec); + + return ino_rec; +} + +static inline ino_tree_node_t * +next_free_ino_rec(ino_tree_node_t *ino_rec) +{ + ino_rec = next_ino_rec(ino_rec); + + while (ino_rec && !ino_rec->ir_free) + ino_rec = next_ino_rec(ino_rec); + + return ino_rec; +} + +/* * Has an inode been processed for phase 6 (reference count checking)? * * add_inode_refchecked() is set on an inode when it gets traversed -- 1.8.3.1 From bfoster@redhat.com Thu Apr 10 11:11:20 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id AA1B78004 for ; Thu, 10 Apr 2014 11:11:16 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id 7A1008F8035 for ; Thu, 10 Apr 2014 09:11:16 -0700 (PDT) X-ASG-Debug-ID: 1397146275-04bdf07dcca40c0001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id HSFUYPP7MRHmY8wx for ; Thu, 10 Apr 2014 09:11:15 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx09.intmail.prod.int.phx2.redhat.com (int-mx09.intmail.prod.int.phx2.redhat.com [10.5.11.22]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3AGBElB005052 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Thu, 10 Apr 2014 12:11:15 -0400 Received: from bfoster.bfoster ([10.18.41.237]) by int-mx09.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s3AGBCsf023652 for ; Thu, 10 Apr 2014 12:11:14 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id D5EC91256D6; Thu, 10 Apr 2014 12:11:12 -0400 (EDT) From: Brian Foster To: xfs@oss.sgi.com Subject: [PATCH v3 19/20] xfsprogs/growfs: report finobt status in fs geometry (xfs_info) Date: Thu, 10 Apr 2014 12:11:09 -0400 X-ASG-Orig-Subj: [PATCH v3 19/20] xfsprogs/growfs: report finobt status in fs geometry (xfs_info) Message-Id: <1397146270-42993-20-git-send-email-bfoster@redhat.com> In-Reply-To: <1397146270-42993-1-git-send-email-bfoster@redhat.com> References: <1397146270-42993-1-git-send-email-bfoster@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.22 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1397146275 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 Check and report on the free inode btree status bit in the fs geometry. Signed-off-by: Brian Foster --- growfs/xfs_growfs.c | 14 +++++++++----- 1 file changed, 9 insertions(+), 5 deletions(-) diff --git a/growfs/xfs_growfs.c b/growfs/xfs_growfs.c index fb7eda8..119dc28 100644 --- a/growfs/xfs_growfs.c +++ b/growfs/xfs_growfs.c @@ -56,12 +56,13 @@ report_info( int projid32bit, int crcs_enabled, int cimode, - int ftype_enabled) + int ftype_enabled, + int finobt_enabled) { printf(_( "meta-data=%-22s isize=%-6u agcount=%u, agsize=%u blks\n" " =%-22s sectsz=%-5u attr=%u, projid32bit=%u\n" - " =%-22s crc=%u\n" + " =%-22s crc=%-8u finobt=%u\n" "data =%-22s bsize=%-6u blocks=%llu, imaxpct=%u\n" " =%-22s sunit=%-6u swidth=%u blks\n" "naming =version %-14u bsize=%-6u ascii-ci=%d ftype=%d\n" @@ -71,7 +72,7 @@ report_info( mntpoint, geo.inodesize, geo.agcount, geo.agblocks, "", geo.sectsize, attrversion, projid32bit, - "", crcs_enabled, + "", crcs_enabled, finobt_enabled, "", geo.blocksize, (unsigned long long)geo.datablocks, geo.imaxpct, "", geo.sunit, geo.swidth, @@ -123,6 +124,7 @@ main(int argc, char **argv) int projid32bit; int crcs_enabled; int ftype_enabled = 0; + int finobt_enabled; /* free inode btree */ progname = basename(argv[0]); setlocale(LC_ALL, ""); @@ -245,11 +247,12 @@ main(int argc, char **argv) projid32bit = geo.flags & XFS_FSOP_GEOM_FLAGS_PROJID32 ? 1 : 0; crcs_enabled = geo.flags & XFS_FSOP_GEOM_FLAGS_V5SB ? 1 : 0; ftype_enabled = geo.flags & XFS_FSOP_GEOM_FLAGS_FTYPE ? 1 : 0; + finobt_enabled = geo.flags & XFS_FSOP_GEOM_FLAGS_FINOBT ? 1 : 0; if (nflag) { report_info(geo, datadev, isint, logdev, rtdev, lazycount, dirversion, logversion, attrversion, projid32bit, crcs_enabled, ci, - ftype_enabled); + ftype_enabled, finobt_enabled); exit(0); } @@ -286,7 +289,8 @@ main(int argc, char **argv) report_info(geo, datadev, isint, logdev, rtdev, lazycount, dirversion, logversion, - attrversion, projid32bit, crcs_enabled, ci, ftype_enabled); + attrversion, projid32bit, crcs_enabled, ci, ftype_enabled, + finobt_enabled); ddsize = xi.dsize; dlsize = ( xi.logBBsize? xi.logBBsize : -- 1.8.3.1 From bfoster@redhat.com Thu Apr 10 11:11:20 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id CABB97FF2 for ; Thu, 10 Apr 2014 11:11:15 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 7C2DCAC00D for ; Thu, 10 Apr 2014 09:11:15 -0700 (PDT) X-ASG-Debug-ID: 1397146274-04cb6c77b59f170001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id IKjZil6pwB2JfaFb for ; Thu, 10 Apr 2014 09:11:14 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx14.intmail.prod.int.phx2.redhat.com (int-mx14.intmail.prod.int.phx2.redhat.com [10.5.11.27]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3AGBDhc008070 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Thu, 10 Apr 2014 12:11:13 -0400 Received: from bfoster.bfoster ([10.18.41.237]) by int-mx14.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s3AGBCBS015427 for ; Thu, 10 Apr 2014 12:11:13 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id 613211256D0; Thu, 10 Apr 2014 12:11:12 -0400 (EDT) From: Brian Foster To: xfs@oss.sgi.com Subject: [PATCH v3 14/20] xfsprogs/repair: phase 2 finobt scan Date: Thu, 10 Apr 2014 12:11:04 -0400 X-ASG-Orig-Subj: [PATCH v3 14/20] xfsprogs/repair: phase 2 finobt scan Message-Id: <1397146270-42993-15-git-send-email-bfoster@redhat.com> In-Reply-To: <1397146270-42993-1-git-send-email-bfoster@redhat.com> References: <1397146270-42993-1-git-send-email-bfoster@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.27 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1397146274 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 If one exists, scan the free inode btree in phase 2 of xfs_repair. We use the same general infrastructure as for the inobt scan, but trigger finobt chunk scan logic in in scan_inobt() via the magic value. The new scan_single_finobt_chunk() function is similar to the inobt equivalent with some finobt specific logic. We can expect that underlying inode chunk blocks are already marked used due to the previous inobt scan. We can also expect to find every record tracked by the finobt already accounted for in the in-core tree with equivalent (and internally consistent) inobt record data. Spit out a warning on any divergences from the above and add the inodes referenced by the current finobt record to the appropriate in-core tree. Signed-off-by: Brian Foster --- repair/scan.c | 239 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++-- 1 file changed, 234 insertions(+), 5 deletions(-) diff --git a/repair/scan.c b/repair/scan.c index 1744c32..cd4d51b 100644 --- a/repair/scan.c +++ b/repair/scan.c @@ -46,6 +46,7 @@ struct aghdr_cnts { __uint64_t fdblocks; __uint64_t icount; __uint64_t ifreecount; + __uint32_t fibtfreecount; }; void @@ -877,6 +878,196 @@ _("inode rec for ino %" PRIu64 " (%d/%d) overlaps existing rec (start %d/%d)\n") return suspect; } +static int +scan_single_finobt_chunk( + xfs_agnumber_t agno, + xfs_inobt_rec_t *rp, + int suspect) +{ + xfs_ino_t lino; + xfs_agino_t ino; + xfs_agblock_t agbno; + int j; + int nfree; + int off; + int state; + ino_tree_node_t *first_rec, *last_rec, *ino_rec; + + ino = be32_to_cpu(rp->ir_startino); + off = XFS_AGINO_TO_OFFSET(mp, ino); + agbno = XFS_AGINO_TO_AGBNO(mp, ino); + lino = XFS_AGINO_TO_INO(mp, agno, ino); + + /* + * on multi-block block chunks, all chunks start + * at the beginning of the block. with multi-chunk + * blocks, all chunks must start on 64-inode boundaries + * since each block can hold N complete chunks. if + * fs has aligned inodes, all chunks must start + * at a fs_ino_alignment*N'th agbno. skip recs + * with badly aligned starting inodes. + */ + if (ino == 0 || + (inodes_per_block <= XFS_INODES_PER_CHUNK && off != 0) || + (inodes_per_block > XFS_INODES_PER_CHUNK && + off % XFS_INODES_PER_CHUNK != 0) || + (fs_aligned_inodes && agbno % fs_ino_alignment != 0)) { + do_warn( + _("badly aligned finobt inode rec (starting inode = %" PRIu64 ")\n"), + lino); + suspect++; + } + + /* + * verify numeric validity of inode chunk first + * before inserting into a tree. don't have to + * worry about the overflow case because the + * starting ino number of a chunk can only get + * within 255 inodes of max (NULLAGINO). if it + * gets closer, the agino number will be illegal + * as the agbno will be too large. + */ + if (verify_aginum(mp, agno, ino)) { + do_warn( +_("bad starting inode # (%" PRIu64 " (0x%x 0x%x)) in finobt rec, skipping rec\n"), + lino, agno, ino); + return ++suspect; + } + + if (verify_aginum(mp, agno, + ino + XFS_INODES_PER_CHUNK - 1)) { + do_warn( +_("bad ending inode # (%" PRIu64 " (0x%x 0x%zx)) in finobt rec, skipping rec\n"), + lino + XFS_INODES_PER_CHUNK - 1, + agno, + ino + XFS_INODES_PER_CHUNK - 1); + return ++suspect; + } + + /* + * cross check state of each block containing inodes referenced by the + * finobt against what we have already scanned from the alloc inobt. + */ + if (off == 0 && !suspect) { + for (j = 0; + j < XFS_INODES_PER_CHUNK; + j += mp->m_sb.sb_inopblock) { + agbno = XFS_AGINO_TO_AGBNO(mp, ino + j); + + state = get_bmap(agno, agbno); + if (state == XR_E_INO) { + continue; + } else if ((state == XR_E_UNKNOWN) || + (state == XR_E_INUSE_FS && agno == 0 && + ino + j >= first_prealloc_ino && + ino + j < last_prealloc_ino)) { + do_warn( +_("inode chunk claims untracked block, finobt block - agno %d, bno %d, inopb %d\n"), + agno, agbno, mp->m_sb.sb_inopblock); + + set_bmap(agno, agbno, XR_E_INO); + suspect++; + } else { + do_warn( +_("inode chunk claims used block, finobt block - agno %d, bno %d, inopb %d\n"), + agno, agbno, mp->m_sb.sb_inopblock); + return ++suspect; + } + } + } + + /* + * ensure we have an incore entry for each chunk + */ + find_inode_rec_range(mp, agno, ino, ino + XFS_INODES_PER_CHUNK, + &first_rec, &last_rec); + + if (first_rec) { + if (suspect) + return suspect; + + /* + * verify consistency between finobt record and incore state + */ + if (first_rec->ino_startnum != ino) { + do_warn( +_("finobt rec for ino %" PRIu64 " (%d/%u) does not match existing rec (%d/%d)\n"), + lino, agno, ino, agno, first_rec->ino_startnum); + return ++suspect; + } + + nfree = 0; + for (j = 0; j < XFS_INODES_PER_CHUNK; j++) { + if (XFS_INOBT_IS_FREE_DISK(rp, j)) { + nfree++; + if (!suspect && !is_inode_free(first_rec, j)) + suspect++; + } + } + + goto check_freecount; + } + + /* + * the finobt contains a record that the previous alloc inobt scan never + * found. insert the inodes into the appropriate tree. + */ + + do_warn( + _("undiscovered finobt record, ino %" PRIu64 " (%d/%u)\n"), + lino, agno, ino); + + if (!suspect) { + /* + * inodes previously inserted into the uncertain tree should be + * superceded by these when the uncertain tree is processed + */ + nfree = 0; + if (XFS_INOBT_IS_FREE_DISK(rp, 0)) { + nfree++; + ino_rec = set_inode_free_alloc(mp, agno, ino); + } else { + ino_rec = set_inode_used_alloc(mp, agno, ino); + } + for (j = 1; j < XFS_INODES_PER_CHUNK; j++) { + if (XFS_INOBT_IS_FREE_DISK(rp, j)) { + nfree++; + set_inode_free(ino_rec, j); + } else { + set_inode_used(ino_rec, j); + } + } + } else { + /* + * this should handle the case where the inobt scan may have + * already added uncertain inodes + */ + nfree = 0; + for (j = 0; j < XFS_INODES_PER_CHUNK; j++) { + if (XFS_INOBT_IS_FREE_DISK(rp, j)) { + add_aginode_uncertain(mp, agno, ino + j, 1); + nfree++; + } else { + add_aginode_uncertain(mp, agno, ino + j, 0); + } + } + } + +check_freecount: + + if (nfree != be32_to_cpu(rp->ir_freecount)) { + do_warn( +_("finobt ir_freecount/free mismatch, inode chunk %d/%u, freecount %d nfree %d\n"), + agno, ino, be32_to_cpu(rp->ir_freecount), nfree); + } + + if (!nfree) { + do_warn( +_("finobt record with no free inodes, inode chunk %d/%u\n"), agno, ino); + } + + return suspect; +} /* * this one walks the inode btrees sucking the info there into @@ -985,12 +1176,29 @@ _("inode btree block claimed (state %d), agno %d, bno %d, suspect %d\n"), * the block. skip processing of bogus records. */ for (i = 0; i < numrecs; i++) { - agcnts->agicount += XFS_INODES_PER_CHUNK; - agcnts->icount += XFS_INODES_PER_CHUNK; - agcnts->agifreecount += be32_to_cpu(rp[i].ir_freecount); - agcnts->ifreecount += be32_to_cpu(rp[i].ir_freecount); + if (magic == XFS_IBT_MAGIC || + magic == XFS_IBT_CRC_MAGIC) { + agcnts->agicount += XFS_INODES_PER_CHUNK; + agcnts->icount += XFS_INODES_PER_CHUNK; + agcnts->agifreecount += + be32_to_cpu(rp[i].ir_freecount); + agcnts->ifreecount += + be32_to_cpu(rp[i].ir_freecount); + + suspect = scan_single_ino_chunk(agno, &rp[i], + suspect); + } else { + /* + * the finobt tracks records with free inodes, + * so only the free inode count is expected to be + * consistent with the agi + */ + agcnts->fibtfreecount += + be32_to_cpu(rp[i].ir_freecount); - suspect = scan_single_ino_chunk(agno, &rp[i], suspect); + suspect = scan_single_finobt_chunk(agno, &rp[i], + suspect); + } } if (suspect) @@ -1175,6 +1383,20 @@ validate_agi( be32_to_cpu(agi->agi_root), agno); } + if (xfs_sb_version_hasfinobt(&mp->m_sb)) { + bno = be32_to_cpu(agi->agi_free_root); + if (bno != 0 && verify_agbno(mp, agno, bno)) { + magic = xfs_sb_version_hascrc(&mp->m_sb) ? + XFS_FIBT_CRC_MAGIC : XFS_FIBT_MAGIC; + scan_sbtree(bno, be32_to_cpu(agi->agi_free_level), + agno, 0, scan_inobt, 1, magic, agcnts, + &xfs_inobt_buf_ops); + } else { + do_warn(_("bad agbno %u for finobt root, agno %d\n"), + be32_to_cpu(agi->agi_free_root), agno); + } + } + if (be32_to_cpu(agi->agi_count) != agcnts->agicount) { do_warn(_("agi_count %u, counted %u in ag %u\n"), be32_to_cpu(agi->agi_count), agcnts->agicount, agno); @@ -1185,6 +1407,13 @@ validate_agi( be32_to_cpu(agi->agi_freecount), agcnts->agifreecount, agno); } + if (xfs_sb_version_hasfinobt(&mp->m_sb) && + be32_to_cpu(agi->agi_freecount) != agcnts->fibtfreecount) { + do_warn(_("agi_freecount %u, counted %u in ag %u finobt\n"), + be32_to_cpu(agi->agi_freecount), agcnts->fibtfreecount, + agno); + } + for (i = 0; i < XFS_AGI_UNLINKED_BUCKETS; i++) { xfs_agino_t agino = be32_to_cpu(agi->agi_unlinked[i]); -- 1.8.3.1 From msnitzer@redhat.com Thu Apr 10 11:25:26 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id B099E29DF7 for ; Thu, 10 Apr 2014 11:25:26 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 96DF88F8040 for ; Thu, 10 Apr 2014 09:25:26 -0700 (PDT) X-ASG-Debug-ID: 1397147124-04cbb00dc4a3ce0001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id 5ZmLy8moR16XmmcV for ; Thu, 10 Apr 2014 09:25:25 -0700 (PDT) X-Barracuda-Envelope-From: msnitzer@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx09.intmail.prod.int.phx2.redhat.com (int-mx09.intmail.prod.int.phx2.redhat.com [10.5.11.22]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3AGPFqx006091 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 10 Apr 2014 12:25:16 -0400 Received: from localhost ([10.18.25.149]) by int-mx09.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s3AGPDnk030245 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES128-SHA bits=128 verify=NO); Thu, 10 Apr 2014 12:25:14 -0400 Date: Thu, 10 Apr 2014 12:25:13 -0400 From: Mike Snitzer To: Dave Chinner Cc: xfs@oss.sgi.com, bob.mastors@solidfire.com Subject: Re: xfs: unmount does not wait for shutdown during unmount Message-ID: <20140410162513.GA21960@redhat.com> X-ASG-Orig-Subj: Re: xfs: unmount does not wait for shutdown during unmount References: <1397104955-7247-1-git-send-email-david@fromorbit.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <1397104955-7247-1-git-send-email-david@fromorbit.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-Scanned-By: MIMEDefang 2.68 on 10.5.11.22 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1397147125 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Thu, Apr 10 2014 at 12:42am -0400, Dave Chinner wrote: > From: Dave Chinner > > And interesting situation can occur if a log IO error occurs during > the unmount of a filesystem. The cases reported have the same > signature - the update of the superblock counters fails due to a log > write IO error: > > XFS (dm-16): xfs_do_force_shutdown(0x2) called from line 1170 of file fs/xfs/xfs_log.c. Return address = 0xffffffffa08a44a1 > XFS (dm-16): Log I/O Error Detected. Shutting down filesystem > XFS (dm-16): Unable to update superblock counters. Freespace may not be correct on next mount. > XFS (dm-16): xfs_log_force: error 5 returned. > XFS (¿-¿¿¿): Please umount the filesystem and rectify the problem(s) > > It can be seen that the last line of output contains a corrupt > device name - this is because the log and xfs_mount structures have > already been freed by the time this message is printed. A kernel > oops closely follows. > > The issue is that the shutdown is occurring in a separate IO > completion thread to the unmount. Once the shutdown processing has > started and all the iclogs are marked with XLOG_STATE_IOERROR, the > log shutdown code wakes anyone waiting on a log force so they can > process the shutdown error. This wakes up the unmount code that > is doing a synchronous transaction to update the superblock > counters. > > The unmount path now sees all the iclogs are marked with > XLOG_STATE_IOERROR and so never waits on them again, knowing that if > it does, there will not be a wakeup trigger for it and we will hang > the unmount if we do. Hence the unmount runs through all the > remaining code and frees all the filesystem structures while the > xlog_iodone() is still processing the shutdown. When the log > shutdown processing completes, xfs_do_force_shutdown() emits the > "Please umount the filesystem and rectify the problem(s)" message, > and xlog_iodone() then aborts all the objects attached to the iclog. > An iclog that has already been freed.... > > The real issue here is that there is no serialisation point between > the log IO and the unmount. We have serialisations points for log > writes, log forces, reservations, etc, but we don't actually have > any code that wakes for log IO to fully complete. We do that for all > other types of object, so why not iclogbufs? > > Well, it turns out that we can easily do this. We've got xfs_buf > handles, and that's what everyone else uses for IO serialisation. > i.e. bp->b_sema. So, lets hold iclogbufs locked over IO, and only > release the lock in xlog_iodone() when we are finished with the > buffer. That way before we tear down the iclog, we can lock and > unlock the buffer to ensure IO completion has finished completely > before we tear it down. > > Signed-off-by: Dave Chinner Works for the dm-thinp test-case that was failing, thanks Dave! Tested-by: Mike Snitzer From lczerner@redhat.com Thu Apr 10 12:36:04 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id D32057F82 for ; Thu, 10 Apr 2014 12:36:04 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id B847E304053 for ; Thu, 10 Apr 2014 10:36:01 -0700 (PDT) X-ASG-Debug-ID: 1397151360-04cbb00dc6a93b0001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id WEjevtU65ltWDZWX for ; Thu, 10 Apr 2014 10:36:00 -0700 (PDT) X-Barracuda-Envelope-From: lczerner@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx14.intmail.prod.int.phx2.redhat.com (int-mx14.intmail.prod.int.phx2.redhat.com [10.5.11.27]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3AHZx3L006476 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 10 Apr 2014 13:36:00 -0400 Received: from dell-per710-02.lab.eng.brq.redhat.com (dell-per710-02.lab.eng.brq.redhat.com [10.34.32.55]) by int-mx14.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s3AHZv7k020916; Thu, 10 Apr 2014 13:35:58 -0400 From: Lukas Czerner To: xfs@oss.sgi.com Cc: linux-ext4@vger.kernel.org, Lukas Czerner Subject: [PATCH] xfstests: Add -s option to run only specified sections Date: Thu, 10 Apr 2014 19:35:52 +0200 X-ASG-Orig-Subj: [PATCH] xfstests: Add -s option to run only specified sections Message-Id: <1397151352-6614-1-git-send-email-lczerner@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.27 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1397151360 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 This commit adds -s option which allows you to specify only certain sections from the config file to be run. The '-s' argument can be specified multiple times to allow multiple sections to be run. The options are still carried between section, that includes the sections which are not going to be run. Update README.config-sections as well. Signed-off-by: Lukas Czerner --- README.config-sections | 30 ++++++++++++++++++++++++++++++ check | 16 +++++++++++++++- 2 files changed, 45 insertions(+), 1 deletion(-) diff --git a/README.config-sections b/README.config-sections index 2849fd5..865ca93 100644 --- a/README.config-sections +++ b/README.config-sections @@ -57,6 +57,36 @@ system. You can also force the file system recreation by specifying RECREATE_TEST_DEV. +Run specified section only +-------------------------- + +Specifying '-s' argument with section name will run only the section +specified. The '-s' argument can be specified multiple times to allow multiple +sections to be run. + +The options are still carried between section, that includes the sections +which are not going to be run. So you can do something like + +[ext4] +TEST_DEV=/dev/sda1 +TEST_DIR=/mnt/test +SCRATCH_DEV=/dev/sdb1 +SCRATCH_MNT=/mnt/test1 +FSTYP=ext4 + +[xfs] +FSTYP=xfs + +[btrfs] +FSTYP=btrfs + + +and run + +./check -s xfs -s btrfs + +to check xfs and btrfs only. All the devices and mounts are still going to +be parsed from the section [ext4]. Example ------- diff --git a/check b/check index 09d753b..e7ace63 100755 --- a/check +++ b/check @@ -75,6 +75,7 @@ check options -T output timestamps -r randomize test order --large-fs optimise scratch device for large filesystems + -s section run only specified section from config file testlist options -g group[,group...] include tests from these groups @@ -221,7 +222,7 @@ while [ $# -gt 0 ]; do done done ;; - + -s) RUN_SECTION="$RUN_SECTION $2"; shift ;; -l) diff="diff" ;; -udiff) diff="$diff -u" ;; @@ -389,6 +390,19 @@ for section in $HOST_OPTIONS_SECTIONS; do OLD_MOUNT_OPTIONS=$MOUNT_OPTIONS get_next_config $section + # Do we need to run only some sections ? + if [ ! -z "$RUN_SECTION" ]; then + skip=true + for s in $RUN_SECTION; do + if [ $section == $s ]; then + skip=false + fi + done + if $skip; then + continue + fi + fi + mkdir -p $RESULT_BASE if [ ! -d $RESULT_BASE ]; then echo "failed to create results directory $RESULT_BASE" -- 1.8.3.1 From sandeen@sandeen.net Thu Apr 10 12:53:29 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 2E32D7F84 for ; Thu, 10 Apr 2014 12:53:29 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 21A348F8054 for ; Thu, 10 Apr 2014 10:53:25 -0700 (PDT) X-ASG-Debug-ID: 1397152402-04cb6c77b7a75a0001-NocioJ Received: from sandeen.net (sandeen.net [63.231.237.45]) by cuda.sgi.com with ESMTP id GrDfAL0wKH0AdTpi for ; Thu, 10 Apr 2014 10:53:23 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@sandeen.net X-Barracuda-Apparent-Source-IP: 63.231.237.45 Received: from liberator.sandeen.net (liberator.sandeen.net [10.0.0.4]) (using TLSv1 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (No client certificate requested) by sandeen.net (Postfix) with ESMTPSA id 69CA6653C22C; Thu, 10 Apr 2014 12:53:22 -0500 (CDT) Message-ID: <5346DA91.3090305@sandeen.net> Date: Thu, 10 Apr 2014 12:53:21 -0500 From: Eric Sandeen User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:24.0) Gecko/20100101 Thunderbird/24.4.0 MIME-Version: 1.0 To: Lukas Czerner , xfs@oss.sgi.com Subject: Re: [PATCH] xfstests: Fix generic/022 output file References: <1397139797-9650-1-git-send-email-lczerner@redhat.com> X-ASG-Orig-Subj: Re: [PATCH] xfstests: Fix generic/022 output file In-Reply-To: <1397139797-9650-1-git-send-email-lczerner@redhat.com> X-Enigmail-Version: 1.6 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Barracuda-Connect: sandeen.net[63.231.237.45] X-Barracuda-Start-Time: 1397152402 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.60 X-Barracuda-Spam-Status: No, SCORE=0.60 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=MARKETING_SUBJECT X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4761 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.60 MARKETING_SUBJECT Subject contains popular marketing words On 4/10/14, 9:23 AM, Lukas Czerner wrote: > In commit 21723cdb I've accidentally changed header in the output file > to a wrong number. It should be 022, fix it. > > Signed-off-by: Lukas Czerner > --- > tests/generic/022.out | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/tests/generic/022.out b/tests/generic/022.out > index 96c2d33..fbffa59 100644 > --- a/tests/generic/022.out > +++ b/tests/generic/022.out > @@ -1,4 +1,4 @@ > -QA output created by 009 > +QA output created by 022 > 1. into a hole > f4f35d60b3cc18aaa6d8d92f0cd3708a > 2. into allocated space > I can review this one! ;) Reviewed-by: Eric Sandeen From david@fromorbit.com Thu Apr 10 16:52:28 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id B27A27F8C for ; Thu, 10 Apr 2014 16:52:28 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 2A6E5AC002 for ; Thu, 10 Apr 2014 14:52:24 -0700 (PDT) X-ASG-Debug-ID: 1397166741-04cbb00dc3b79f0001-NocioJ Received: from ipmail04.adl6.internode.on.net (ipmail04.adl6.internode.on.net [150.101.137.141]) by cuda.sgi.com with ESMTP id kPNeflqMyMrHuh6b for ; Thu, 10 Apr 2014 14:52:22 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.141 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AlRaAJ0RR1N5LEcvPGdsb2JhbABSCIMGiFm3DIVdgSMXAwEBAQE4NYIlAQEBAwEnCwEjIwULCAECFQMJJQ8FJQMHGhOHdAeNcb57FxaOAFYHgySBFAEDmF2WBSs Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail04.adl6.internode.on.net with ESMTP; 11 Apr 2014 07:22:20 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WYMtO-00073K-Ux; Fri, 11 Apr 2014 07:52:18 +1000 Date: Fri, 11 Apr 2014 07:52:18 +1000 From: Dave Chinner To: Mark Tinguely Cc: xfs@oss.sgi.com, bob.mastors@solidfire.com, snitzer@redhat.com Subject: Re: [PATCH] xfs: unmount does not wait for shutdown during unmount Message-ID: <20140410215218.GD27519@dastard> X-ASG-Orig-Subj: Re: [PATCH] xfs: unmount does not wait for shutdown during unmount References: <1397104955-7247-1-git-send-email-david@fromorbit.com> <53469C9C.8010604@sgi.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <53469C9C.8010604@sgi.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail04.adl6.internode.on.net[150.101.137.141] X-Barracuda-Start-Time: 1397166742 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4768 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Thu, Apr 10, 2014 at 08:29:00AM -0500, Mark Tinguely wrote: > On 04/09/14 23:42, Dave Chinner wrote: > >From: Dave Chinner > > > >And interesting situation can occur if a log IO error occurs during > >the unmount of a filesystem. The cases reported have the same > >signature - the update of the superblock counters fails due to a log > >write IO error: > > > >XFS (dm-16): xfs_do_force_shutdown(0x2) called from line 1170 of file fs/xfs/xfs_log.c. Return address = 0xffffffffa08a44a1 > >XFS (dm-16): Log I/O Error Detected. Shutting down filesystem > >XFS (dm-16): Unable to update superblock counters. Freespace may not be correct on next mount. > >XFS (dm-16): xfs_log_force: error 5 returned. > >XFS (¿-¿¿¿): Please umount the filesystem and rectify the problem(s) > > > >It can be seen that the last line of output contains a corrupt > >device name - this is because the log and xfs_mount structures have > >already been freed by the time this message is printed. A kernel > >oops closely follows. > > > >The issue is that the shutdown is occurring in a separate IO > >completion thread to the unmount. Once the shutdown processing has > >started and all the iclogs are marked with XLOG_STATE_IOERROR, the > >log shutdown code wakes anyone waiting on a log force so they can > >process the shutdown error. This wakes up the unmount code that > >is doing a synchronous transaction to update the superblock > >counters. > > > >The unmount path now sees all the iclogs are marked with > >XLOG_STATE_IOERROR and so never waits on them again, knowing that if > >it does, there will not be a wakeup trigger for it and we will hang > >the unmount if we do. Hence the unmount runs through all the > >remaining code and frees all the filesystem structures while the > >xlog_iodone() is still processing the shutdown. When the log > >shutdown processing completes, xfs_do_force_shutdown() emits the > >"Please umount the filesystem and rectify the problem(s)" message, > >and xlog_iodone() then aborts all the objects attached to the iclog. > >An iclog that has already been freed.... > > > >The real issue here is that there is no serialisation point between > >the log IO and the unmount. We have serialisations points for log > >writes, log forces, reservations, etc, but we don't actually have > >any code that wakes for log IO to fully complete. We do that for all > >other types of object, so why not iclogbufs? > > > >Well, it turns out that we can easily do this. We've got xfs_buf > >handles, and that's what everyone else uses for IO serialisation. > >i.e. bp->b_sema. So, lets hold iclogbufs locked over IO, and only > >release the lock in xlog_iodone() when we are finished with the > >buffer. That way before we tear down the iclog, we can lock and > >unlock the buffer to ensure IO completion has finished completely > >before we tear it down. > > > >Signed-off-by: Dave Chinner > > The wait queue "xc_commit_wait" is used for two purposes, first to > start the next ic_log buffer completion and also to wake those > waiting for a syncronous event. Shutdown does syncronous cil pushes > but it does not wait for the IO to happen. First of all, shutdown does not do a CIL push if the source of the shutdown is a log error, as is this case. Secondly, shutdown can't wait for log IO completion because it can be run from log IO completion, as is this case. Thirdly, xc_commit_wait does not guarantee that *other* iclogbufs are not under IO, just that specific CIL push is complete. Indeed, we could be writing the unmount record, which writes to the iclogbufs and issues IO directly and hence cannot be waited on by a xc_commit_wait. If you want to wait on iclogbuf state machine transitions (i.e. when it considers the iclogbuf to be clean and active), that's what the iclog->ic_write_wait wait queue is for. But even that is not sufficient for our purposes, because the IO completion code references the iclog after it has woken waiters during state machine transitions. Finally, the issue is that the superblock counter update transaction is blocked in _xfs_log_force_lsn() as it is a synchronous transaction. This is after the CIL has been pushed and now we are waiting on iclogbuf IO completion blocked on the the iclog->ic_force_wait wait queue. The last thing xfs_log_force_unmount() does in a shutdown - after the state machines are moved to error states - is wake up any waiters on the iclog->ic_force_wait wait queues. That's where the "xfs_log_force: error 5" message comes from - the sync transaction failing the transaction commit. Again, this happens before the iclogbuf IO completion processing is finished, and hence we cannot use any of the existing wait queue mechanisms to wait for iclogbuf IO completion to be finished. Hence, a new mechanism is required, and that's what the patch provides. > Why not wait for the IO to happen or fail > before waking out the sync waiters? How? You can't wait for IO completion when it's IO completion that has detected the error and is running the shutdown. > If you want to keep the speedier completion of the next cil > push add another wait queue. There only a few (typically 8) per > filesystem. I don't follow you. What does this have to do with ensuring iclogbufs are not still in use when we free them? Cheers, Dave. -- Dave Chinner david@fromorbit.com From david@fromorbit.com Thu Apr 10 17:37:47 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 222E77F91 for ; Thu, 10 Apr 2014 17:37:47 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id 0AD15304053 for ; Thu, 10 Apr 2014 15:37:46 -0700 (PDT) X-ASG-Debug-ID: 1397169464-04cbb00dc5ba210001-NocioJ Received: from ipmail04.adl6.internode.on.net (ipmail04.adl6.internode.on.net [150.101.137.141]) by cuda.sgi.com with ESMTP id iwSJydCfrJaeJEw1 for ; Thu, 10 Apr 2014 15:37:45 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.141 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: Ak1aACocR1N5LEcvPGdsb2JhbABagwaIWbcMhV2BIxcDAQEBATg1giUBAQEEOhwjEAgDDgoJJQ8FJQMHGhOHe8xvFxaOVgeDJIEUBJhdlgUr Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail04.adl6.internode.on.net with ESMTP; 11 Apr 2014 08:05:49 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WYNZS-000791-JL; Fri, 11 Apr 2014 08:35:46 +1000 Date: Fri, 11 Apr 2014 08:35:46 +1000 From: Dave Chinner To: Christoph Hellwig Cc: xfs@oss.sgi.com Subject: Re: [PATCH 4/6] xfs: zeroing space needs to punch delalloc blocks Message-ID: <20140410223546.GE27519@dastard> X-ASG-Orig-Subj: Re: [PATCH 4/6] xfs: zeroing space needs to punch delalloc blocks References: <1397106053-7489-1-git-send-email-david@fromorbit.com> <1397106053-7489-5-git-send-email-david@fromorbit.com> <20140410104001.GG17641@infradead.org> <20140410122259.GC27519@dastard> <20140410123332.GA15577@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140410123332.GA15577@infradead.org> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail04.adl6.internode.on.net[150.101.137.141] X-Barracuda-Start-Time: 1397169464 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4768 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Thu, Apr 10, 2014 at 05:33:32AM -0700, Christoph Hellwig wrote: > On Thu, Apr 10, 2014 at 10:22:59PM +1000, Dave Chinner wrote: > > XFS_B_TO_FSB gives the same result given that we've already rounded > > start_boundary to block granularity.... > > It does, but XFS_B_TO_FSBT is one less operation, and it's the better > example for a start offset when people start copy & pasting it. *nod*. Fixed it. Cheers, Dave. -- Dave Chinner david@fromorbit.com From david@fromorbit.com Thu Apr 10 17:52:39 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 312767F56 for ; Thu, 10 Apr 2014 17:52:39 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id 092A3304059 for ; Thu, 10 Apr 2014 15:52:38 -0700 (PDT) X-ASG-Debug-ID: 1397170356-04cbb00dc6baf20001-NocioJ Received: from ipmail04.adl6.internode.on.net (ipmail04.adl6.internode.on.net [150.101.137.141]) by cuda.sgi.com with ESMTP id f1f8piuPlRz1u3xg for ; Thu, 10 Apr 2014 15:52:37 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.141 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AkxaAOsfR1N5LEcvPGdsb2JhbABagwaIWbcNhV2BIxcDAQEBATg1giUBAQEEOhwjEAgDGAklDwUlAwcaE4d7zGgXFo5WB4MkgRQEmF2KZIshKw Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail04.adl6.internode.on.net with ESMTP; 11 Apr 2014 08:22:35 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WYNpi-0007Ax-Kl; Fri, 11 Apr 2014 08:52:34 +1000 Date: Fri, 11 Apr 2014 08:52:34 +1000 From: Dave Chinner To: Sasha Levin Cc: Al Viro , Dave Jones , Linux Kernel , xfs@oss.sgi.com Subject: Re: xfs i_lock vs mmap_sem lockdep trace. Message-ID: <20140410225234.GF27519@dastard> X-ASG-Orig-Subj: Re: xfs i_lock vs mmap_sem lockdep trace. References: <20140329223109.GA24098@redhat.com> <20140330234335.GB16336@dastard> <20140330235717.GO18016@ZenIV.linux.org.uk> <20140331004053.GA17603@dastard> <53445EC0.9060707@oracle.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <53445EC0.9060707@oracle.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail04.adl6.internode.on.net[150.101.137.141] X-Barracuda-Start-Time: 1397170356 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4769 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Tue, Apr 08, 2014 at 04:40:32PM -0400, Sasha Levin wrote: > On 03/30/2014 08:40 PM, Dave Chinner wrote: > > On Mon, Mar 31, 2014 at 12:57:17AM +0100, Al Viro wrote: > >> > On Mon, Mar 31, 2014 at 10:43:35AM +1100, Dave Chinner wrote: > >>> > > filldir on a directory inode vs page fault on regular file. Known > >>> > > issue, definitely a false positive. We have to change locking > >>> > > algorithms to avoid such deficiencies of lockdep (a case of "lockdep > >>> > > considered harmful", perhaps?) so it's not something I'm about to > >>> > > rush... > >> > > >> > Give i_lock on directories a separate class, as it's been done for i_mutex... > > Already done that. Commit: > > > > 93a8614 xfs: fix directory inode iolock lockdep false positive > > Hi Dave, > > The commit above introduces a new lockdep issue for me: Right, it's fixed one class of false positive which uncovers the next class of false positive. lockdep gives me the shits at times because every time we make some obviously correct locking change to the XFS inodes we then spend the next 3-4 kernel releases chasing down and annotating locks so that lockdep doesn't throw false positives everywhere. It's on my queue of things to fix but, quite frankly, lockdep false positives are low priority to fix right now. Cheers, Dave. -- Dave Chinner david@fromorbit.com From david@fromorbit.com Thu Apr 10 18:53:29 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id C4AD37F8E for ; Thu, 10 Apr 2014 18:53:29 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id 60BCBAC002 for ; Thu, 10 Apr 2014 16:53:29 -0700 (PDT) X-ASG-Debug-ID: 1397174007-04bdf07dcabfc60001-NocioJ Received: from ipmail04.adl6.internode.on.net (ipmail04.adl6.internode.on.net [150.101.137.141]) by cuda.sgi.com with ESMTP id wtbs5avIIBj4ds8v for ; Thu, 10 Apr 2014 16:53:27 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.141 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AkxaAP8tR1N5LEcvPGdsb2JhbABagwaIWbcRhV2BHRcDAQEBATg1giUBAQEDATocIxAIAxgJJQ8FJQMHLYd0B8xaFxaOVgcWgw6BFASYXZYFKw Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail04.adl6.internode.on.net with ESMTP; 11 Apr 2014 09:23:26 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WYOmY-0007J0-93; Fri, 11 Apr 2014 09:53:22 +1000 Date: Fri, 11 Apr 2014 09:53:22 +1000 From: Dave Chinner To: alexander.tsvetkov@oracle.com Cc: xfs@oss.sgi.com Subject: Re: generic/204: correct log size for XFS Message-ID: <20140410235322.GA15995@dastard> X-ASG-Orig-Subj: Re: generic/204: correct log size for XFS References: <53467259.1080604@oracle.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <53467259.1080604@oracle.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail04.adl6.internode.on.net[150.101.137.141] X-Barracuda-Start-Time: 1397174007 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.60 X-Barracuda-Spam-Status: No, SCORE=0.60 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, MARKETING_SUBJECT X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4770 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.60 MARKETING_SUBJECT Subject contains popular marketing words 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header On Thu, Apr 10, 2014 at 02:28:41PM +0400, alexander.tsvetkov@oracle.com wrote: > generic/204 fails on device with Advanced Format of 4096 bytes per > physical sector and when partition starts at the 4K boundary/./In this case > filesystem sector/block size will be of 4096 bytes size and > _scratch_mkfs_sized > fails because mkfs reports that 5Mb log size is not enough to create > a filesystem, > for example attempt to make filesystem on such partition: > > mkfs.xfs -f -bsize=4096 -l size=5m -d size=109051904 /dev/sdb2" > > results to: > > "log size 1280 blocks too small, minimum size is 1605 blocks" > > and generic/204fails with ENOSPC before it has finished creating the > necessary files: > > "QA output created by 204 > ./tests/generic/204: line 86: echo: write error: No space left on device > ..." > > Log size of 7Mbis enough to make filesytem and pass this test. This is missing a s-o-b line. Can you add one? > > diff --git a/tests/generic/204 b/tests/generic/204 > index 13a762a..4ebab26 100755 > --- a/tests/generic/204 > +++ b/tests/generic/204 > @@ -53,9 +53,9 @@ _scratch_mkfs 2> /dev/null | _filter_mkfs 2> > $tmp.mkfs > /dev/null > > # For xfs, we need to handle the different default log sizes that > different > # versions of mkfs create. All should be valid with a 5MB log, so > use that. > -[ $FSTYP = "xfs" ] && MKFS_OPTIONS="$MKFS_OPTIONS -l size=5m" > +[ $FSTYP = "xfs" ] && MKFS_OPTIONS="$MKFS_OPTIONS -l size=7m" > > -SIZE=`expr 104 \* 1024 \* 1024` > +SIZE=`expr 106 \* 1024 \* 1024` > _scratch_mkfs_sized $SIZE $dbsize 2> /dev/null \ > | _filter_mkfs 2> $tmp.mkfs > /dev/null > _scratch_mount The change looks fine, but your mailer is line wrapping and whitespace mangling the patches. Please read Documentation/SubmittingPatches in the kernel tree for how to do this correctly. Also, please don't send patches in multipart emails - turn off html sending so that git am doesn't throw a wobbly over it... I've fixed it up this time.... Cheers, Dave. -- Dave Chinner david@fromorbit.com From david@fromorbit.com Thu Apr 10 19:12:42 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 6E6DE7F8E for ; Thu, 10 Apr 2014 19:12:42 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id 502FC304053 for ; Thu, 10 Apr 2014 17:12:39 -0700 (PDT) X-ASG-Debug-ID: 1397175157-04bdf07dc7c0a20001-NocioJ Received: from ipmail04.adl6.internode.on.net (ipmail04.adl6.internode.on.net [150.101.137.141]) by cuda.sgi.com with ESMTP id IPVpEbM836f5MVGw for ; Thu, 10 Apr 2014 17:12:37 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.141 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: Ak1aAOgyR1N5LEcvPGdsb2JhbABagwaIWbcShV2BHRcDAQEBATg1giUBAQEEOhwjEAgDDgoJJQ8FJQMHGhOHe8xSFxaNcmQHgySBFASYXZYFK4Es Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail04.adl6.internode.on.net with ESMTP; 11 Apr 2014 09:42:36 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WYP59-0007Lu-Pt; Fri, 11 Apr 2014 10:12:35 +1000 Date: Fri, 11 Apr 2014 10:12:35 +1000 From: Dave Chinner To: Eryu Guan Cc: xfs@oss.sgi.com Subject: Re: [PATCH] ext4/306: disable 64bit feature too Message-ID: <20140411001235.GB15995@dastard> X-ASG-Orig-Subj: Re: [PATCH] ext4/306: disable 64bit feature too References: <1397044147-15727-1-git-send-email-eguan@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1397044147-15727-1-git-send-email-eguan@redhat.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail04.adl6.internode.on.net[150.101.137.141] X-Barracuda-Start-Time: 1397175157 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4770 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Wed, Apr 09, 2014 at 07:49:07PM +0800, Eryu Guan wrote: > mke2fs ext4 without extent feature will fail if 64bit feature is > enabled in mke2fs.conf > > mke2fs 1.42.9 (28-Dec-2013) > Extents MUST be enabled for a 64-bit filesystem. Pass -O extents to rectify. > > So disable 64bit feature together with extent explicitly. > > Signed-off-by: Eryu Guan > --- > tests/ext4/306 | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/tests/ext4/306 b/tests/ext4/306 > index 9559cf2..fd50b0e 100755 > --- a/tests/ext4/306 > +++ b/tests/ext4/306 > @@ -48,7 +48,7 @@ _require_scratch > rm -f $seqres.full > > # Make a small ext4 fs with extents disabled & mount it > -yes | mkfs.ext4 -O ^extents $SCRATCH_DEV 512m >> $seqres.full 2>&1 > +yes | mkfs.ext4 -O ^extents,^64bit $SCRATCH_DEV 512m >> $seqres.full 2>&1 > _scratch_mount || _fail "couldn't mount fs" > > # Create a small non-extent-based file > -- > 1.9.0 Looks fine to me, but you should CC ext4 test changes to linux-ext4@vger.kernel.org as well so that the ext4 developers can review such changes are well... Reviewed-by: Dave Chinner Cheers, Dave. -- Dave Chinner david@fromorbit.com From david@fromorbit.com Thu Apr 10 19:14:16 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 768447F9C for ; Thu, 10 Apr 2014 19:14:16 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 6473B8F8037 for ; Thu, 10 Apr 2014 17:14:13 -0700 (PDT) X-ASG-Debug-ID: 1397175251-04cb6c77b5bc380001-NocioJ Received: from ipmail04.adl6.internode.on.net (ipmail04.adl6.internode.on.net [150.101.137.141]) by cuda.sgi.com with ESMTP id Em6JNw3XsQDIj30a for ; Thu, 10 Apr 2014 17:14:11 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.141 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: Ak1aAOgyR1N5LEcvPGdsb2JhbABagwaIWbcShV2BHRcDAQEBATg1giUBAQEEOhwjEAgDDgoJJQ8FJQMHGhOHe8xSFxaOVgeDJIEUBJhdlgUr Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail04.adl6.internode.on.net with ESMTP; 11 Apr 2014 09:44:10 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WYP6g-0007MP-5W; Fri, 11 Apr 2014 10:14:10 +1000 Date: Fri, 11 Apr 2014 10:14:10 +1000 From: Dave Chinner To: Lukas Czerner Cc: xfs@oss.sgi.com Subject: Re: [PATCH] xfstests: fix specifying configuration value with equality sign Message-ID: <20140411001410.GC15995@dastard> X-ASG-Orig-Subj: Re: [PATCH] xfstests: fix specifying configuration value with equality sign References: <1397123737-3478-1-git-send-email-lczerner@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1397123737-3478-1-git-send-email-lczerner@redhat.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail04.adl6.internode.on.net[150.101.137.141] X-Barracuda-Start-Time: 1397175251 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4770 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Thu, Apr 10, 2014 at 11:55:37AM +0200, Lukas Czerner wrote: > Currently there is a problem with parse_config_section() when the > configuration value contains equality sign like this for example: > > MOUNT_OPTIONS="-o data=journal" > > the result will be > > export MOUNT_OPTIONS="-o data="journal" > > which is not going to work. The reason is that the expression used to > parse the configuration options uses greedy matching '.*'. Fix this by > using non greedy expression to match the first equality sign '[^=]'. > > Signed-off-by: Lukas Czerner Looks fine. Reviewed-by: Dave Chinner It would probably be a good idea to comment what the sed line noise is actually doing, so it's easier to understand in future... Cheers, Dave. -- Dave Chinner david@fromorbit.com From david@fromorbit.com Thu Apr 10 19:15:12 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id F00B97F99 for ; Thu, 10 Apr 2014 19:15:12 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id CDD22304053 for ; Thu, 10 Apr 2014 17:15:12 -0700 (PDT) X-ASG-Debug-ID: 1397175311-04cbb00dc3bf3b0001-NocioJ Received: from ipmail04.adl6.internode.on.net (ipmail04.adl6.internode.on.net [150.101.137.141]) by cuda.sgi.com with ESMTP id E9awUXlSYNZAG7z7 for ; Thu, 10 Apr 2014 17:15:11 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.141 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: Ak1aAOgyR1N5LEcvPGdsb2JhbABagwaIWbcShV2BHRcDAQEBATg1giUBAQEEOhwjEAgDDgoJJQ8FJQMHGhOHe8xSFxaOVgeDJIEUBJhdlgUr Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail04.adl6.internode.on.net with ESMTP; 11 Apr 2014 09:45:10 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WYP7e-0007Md-2q; Fri, 11 Apr 2014 10:15:10 +1000 Date: Fri, 11 Apr 2014 10:15:10 +1000 From: Dave Chinner To: Lukas Czerner Cc: xfs@oss.sgi.com Subject: Re: [PATCH] xfstests: Fix generic/022 output file Message-ID: <20140411001509.GD15995@dastard> X-ASG-Orig-Subj: Re: [PATCH] xfstests: Fix generic/022 output file References: <1397139797-9650-1-git-send-email-lczerner@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1397139797-9650-1-git-send-email-lczerner@redhat.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail04.adl6.internode.on.net[150.101.137.141] X-Barracuda-Start-Time: 1397175311 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.60 X-Barracuda-Spam-Status: No, SCORE=0.60 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=MARKETING_SUBJECT X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4770 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.60 MARKETING_SUBJECT Subject contains popular marketing words On Thu, Apr 10, 2014 at 04:23:17PM +0200, Lukas Czerner wrote: > In commit 21723cdb I've accidentally changed header in the output file > to a wrong number. It should be 022, fix it. Actually, my mistake when I renumbered it during integration. I just hadn't sent my local patch out for review yet. Regardless, Reviewed-by: Dave Chinner Cheers, Dave. -- Dave Chinner david@fromorbit.com From david@fromorbit.com Thu Apr 10 19:16:39 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id B08957F99 for ; Thu, 10 Apr 2014 19:16:39 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id 8EDDB304039 for ; Thu, 10 Apr 2014 17:16:39 -0700 (PDT) X-ASG-Debug-ID: 1397175397-04cbb00dc6bf4e0001-NocioJ Received: from ipmail04.adl6.internode.on.net (ipmail04.adl6.internode.on.net [150.101.137.141]) by cuda.sgi.com with ESMTP id Q133sncApEC0fCkR for ; Thu, 10 Apr 2014 17:16:38 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.141 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: Ak5aAA40R1N5LEcvPGdsb2JhbABagwaIWbcShV2BHRcDAQEBATg1giUBAQEEOhwREhAIAw4KCSUPBSUDBxoTh3vMUxcWjlYHgySBFAEDmF2WBSs Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail04.adl6.internode.on.net with ESMTP; 11 Apr 2014 09:46:18 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WYP8j-0007Mo-Hm; Fri, 11 Apr 2014 10:16:17 +1000 Date: Fri, 11 Apr 2014 10:16:17 +1000 From: Dave Chinner To: Lukas Czerner Cc: xfs@oss.sgi.com, linux-ext4@vger.kernel.org Subject: Re: [PATCH] xfstests: Add -s option to run only specified sections Message-ID: <20140411001617.GE15995@dastard> X-ASG-Orig-Subj: Re: [PATCH] xfstests: Add -s option to run only specified sections References: <1397151352-6614-1-git-send-email-lczerner@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1397151352-6614-1-git-send-email-lczerner@redhat.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail04.adl6.internode.on.net[150.101.137.141] X-Barracuda-Start-Time: 1397175397 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4770 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Thu, Apr 10, 2014 at 07:35:52PM +0200, Lukas Czerner wrote: > This commit adds -s option which allows you to specify only certain > sections from the config file to be run. The '-s' argument can be > specified multiple times to allow multiple sections to be run. > > The options are still carried between section, that includes the > sections which are not going to be run. > > Update README.config-sections as well. > > Signed-off-by: Lukas Czerner Neat. Looks simple enough. Reviewed-by: Dave Chinner -- Dave Chinner david@fromorbit.com From david@fromorbit.com Thu Apr 10 20:26:47 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 983F47F72 for ; Thu, 10 Apr 2014 20:26:47 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id 7925330405F for ; Thu, 10 Apr 2014 18:26:44 -0700 (PDT) X-ASG-Debug-ID: 1397179602-04bdf07dccc3e00001-NocioJ Received: from ipmail04.adl6.internode.on.net (ipmail04.adl6.internode.on.net [150.101.137.141]) by cuda.sgi.com with ESMTP id 60cy6xT8Ws8bbYm7 for ; Thu, 10 Apr 2014 18:26:42 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.141 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: Art6AH9ER1N5LEcvPGdsb2JhbABagwY7gxOFC6M2k1yGehcDAQEBATg1gmYcOyQ0BSUDBy2He5pvsg4WjnODDoEUBJhdlgUr Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail04.adl6.internode.on.net with ESMTP; 11 Apr 2014 10:56:10 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WYQEI-0007Wp-W0 for xfs@oss.sgi.com; Fri, 11 Apr 2014 11:26:07 +1000 Date: Fri, 11 Apr 2014 11:26:06 +1000 From: Dave Chinner To: xfs@oss.sgi.com Subject: [ANNOUNCE] xfsdump: master branch updated to b1d6979 Message-ID: <20140411012606.GF15995@dastard> X-ASG-Orig-Subj: [ANNOUNCE] xfsdump: master branch updated to b1d6979 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail04.adl6.internode.on.net[150.101.137.141] X-Barracuda-Start-Time: 1397179602 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 1.95 X-Barracuda-Spam-Status: No, SCORE=1.95 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_RULE_7582A, PR0N_SUBJECT X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4773 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 1.75 BSF_RULE_7582A Custom Rule 7582A 0.20 PR0N_SUBJECT Subject has letters around special characters (pr0n) Hi folks, The xfsdump repository at git://oss.sgi.com/xfs/cmds/xfsdump has just been updated. The new head of the master branch is commit: b1d6979 remove ancient sys_getdents code paths New Commits: Boris Ranto (1): [c3a4db1] xfsdump: Fix memory and fd leak in invutil/stobj.c Kyle McMartin (2): [9ed517b] xfsdump: getdents.c: clean up ifdef-hell around sys_getdents [b1d6979] remove ancient sys_getdents code paths Code Diffstat: common/getdents.c | 282 +++++++++++++----------------------------------------- invutil/stobj.c | 13 +-- 2 files changed, 76 insertions(+), 219 deletions(-) -- Dave Chinner david@fromorbit.com From dcxf@chinamold.org Thu Apr 10 20:30:25 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: * X-Spam-Status: No, score=1.7 required=5.0 tests=FH_FROMEML_NOTLD,HTML_MESSAGE autolearn=no version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 9D7957F59 for ; Thu, 10 Apr 2014 20:30:24 -0500 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------=_NextPart_000_0F2A_01584E44.15203620 Content-Type: text/plain; name="pfmold.txt" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="pfmold.txt" ------=_NextPart_000_0F2A_01584E44.15203620-- From dx-wl@163.com Thu Apr 10 21:40:51 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 41E9F7F37 for ; Thu, 10 Apr 2014 21:40:51 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 2E94D304053 for ; Thu, 10 Apr 2014 19:40:48 -0700 (PDT) X-ASG-Debug-ID: 1397184045-04cb6c77b5c22f0001-NocioJ Received: from sam.nabble.com (sam.nabble.com [216.139.236.26]) by cuda.sgi.com with ESMTP id 3RH9Iry4bN7vUY0u (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Thu, 10 Apr 2014 19:40:45 -0700 (PDT) X-Barracuda-Envelope-From: dx-wl@163.com X-Barracuda-Apparent-Source-IP: 216.139.236.26 Received: from tom.nabble.com ([192.168.236.105]) by sam.nabble.com with esmtp (Exim 4.72) (envelope-from ) id 1WYROW-00043q-On for xfs@oss.sgi.com; Thu, 10 Apr 2014 19:40:44 -0700 Date: Thu, 10 Apr 2014 19:40:44 -0700 (PDT) From: daiguochao To: xfs@oss.sgi.com Message-ID: <1397184044761-35016.post@n7.nabble.com> In-Reply-To: <1396596386220-35015.post@n7.nabble.com> References: <1396596386220-35015.post@n7.nabble.com> Subject: Re: 10GB memorys occupied by XFS MIME-Version: 1.0 X-ASG-Orig-Subj: Re: 10GB memorys occupied by XFS Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Barracuda-Connect: sam.nabble.com[216.139.236.26] X-Barracuda-Start-Time: 1397184045 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4775 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- Dear Stan, I can't send email to you.So I leave a message here.I hope not to bother you. Thank you for your kind assistance. In accordance with your suggestion, we executed "echo 3 > /proc/sysm/drop_caches" for trying to release vfs dentries and inodes. Really, our lost memory came back. But we learned that the memory of vfs dentries and inodes is distributed from slab. Please check our system "Slab: 509708 kB" from /proc/meminfo, and it seems only be took up 500MB and xfs_buf take up 450MB among. And /proc/meminfo indicated that our system memory is anomalous, there is about 10GB out of the statistics. We want to know how the system could observe the usage amount of vfs dentries and iodes through the system interface. If the memory usage of system is not reflected in /proc/meminfo as we can not find the statistics, and we thought it as a bug of xfs. My vm.vfs_cache_pressure of linux system is 100. We think that the system will proactively take the memory back when the memory is not enough, rather than oom-killer kills our work process. Our datas of /proc/meminfo occurred during the system problem as below: 130> cat /proc/meminfo MemTotal: 12173268 kB MemFree: 223044 kB Buffers: 244 kB Cached: 4540 kB SwapCached: 0 kB Active: 1700 kB Inactive: 5312 kB Active(anon): 1616 kB Inactive(anon): 1128 kB Active(file): 84 kB Inactive(file): 4184 kB Unevictable: 0 kB Mlocked: 0 kB SwapTotal: 0 kB SwapFree: 0 kB Dirty: 0 kB Writeback: 0 kB AnonPages: 2556 kB Mapped: 1088 kB Shmem: 196 kB Slab: 509708 kB SReclaimable: 7596 kB SUnreclaim: 502112 kB KernelStack: 1096 kB PageTables: 748 kB NFS_Unstable: 0 kB Bounce: 0 kB WritebackTmp: 0 kB CommitLimit: 6086632 kB Committed_AS: 9440 kB VmallocTotal: 34359738367 kB VmallocUsed: 303488 kB VmallocChunk: 34359426132 kB HardwareCorrupted: 0 kB AnonHugePages: 0 kB HugePages_Total: 0 HugePages_Free: 0 HugePages_Rsvd: 0 HugePages_Surp: 0 Hugepagesize: 2048 kB DirectMap4k: 6152 kB DirectMap2M: 2070528 kB DirectMap1G: 10485760 kB Best Regards, Guochao -- View this message in context: http://xfs.9218.n7.nabble.com/10GB-memorys-occupied-by-XFS-tp35015p35016.html Sent from the Xfs - General mailing list archive at Nabble.com. From eguan@redhat.com Thu Apr 10 22:23:27 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id A317B7F6B for ; Thu, 10 Apr 2014 22:23:27 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 3411AAC002 for ; Thu, 10 Apr 2014 20:23:24 -0700 (PDT) X-ASG-Debug-ID: 1397186602-04cb6c77b6c3d90001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id UbCBdNxZb9Hy97rR for ; Thu, 10 Apr 2014 20:23:23 -0700 (PDT) X-Barracuda-Envelope-From: eguan@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx01.intmail.prod.int.phx2.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3B3NKct030053 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Thu, 10 Apr 2014 23:23:21 -0400 Received: from localhost (dhcp12-144.nay.redhat.com [10.66.12.144] (may be forged)) by int-mx01.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id s3B3NIg9014092; Thu, 10 Apr 2014 23:23:20 -0400 Date: Fri, 11 Apr 2014 11:23:18 +0800 From: Eryu Guan To: Dave Chinner Cc: xfs@oss.sgi.com Subject: Re: [PATCH] ext4/306: disable 64bit feature too Message-ID: <20140411032318.GL24329@dhcp-13-216.nay.redhat.com> X-ASG-Orig-Subj: Re: [PATCH] ext4/306: disable 64bit feature too References: <1397044147-15727-1-git-send-email-eguan@redhat.com> <20140411001235.GB15995@dastard> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140411001235.GB15995@dastard> User-Agent: Mutt/1.5.21 (2010-09-15) X-Scanned-By: MIMEDefang 2.67 on 10.5.11.11 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1397186603 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Fri, Apr 11, 2014 at 10:12:35AM +1000, Dave Chinner wrote: > On Wed, Apr 09, 2014 at 07:49:07PM +0800, Eryu Guan wrote: > > mke2fs ext4 without extent feature will fail if 64bit feature is > > enabled in mke2fs.conf > > > > mke2fs 1.42.9 (28-Dec-2013) > > Extents MUST be enabled for a 64-bit filesystem. Pass -O extents to rectify. > > > > So disable 64bit feature together with extent explicitly. > > > > Signed-off-by: Eryu Guan > > --- > > tests/ext4/306 | 2 +- > > 1 file changed, 1 insertion(+), 1 deletion(-) > > > > diff --git a/tests/ext4/306 b/tests/ext4/306 > > index 9559cf2..fd50b0e 100755 > > --- a/tests/ext4/306 > > +++ b/tests/ext4/306 > > @@ -48,7 +48,7 @@ _require_scratch > > rm -f $seqres.full > > > > # Make a small ext4 fs with extents disabled & mount it > > -yes | mkfs.ext4 -O ^extents $SCRATCH_DEV 512m >> $seqres.full 2>&1 > > +yes | mkfs.ext4 -O ^extents,^64bit $SCRATCH_DEV 512m >> $seqres.full 2>&1 > > _scratch_mount || _fail "couldn't mount fs" > > > > # Create a small non-extent-based file > > -- > > 1.9.0 > > Looks fine to me, but you should CC ext4 test changes to > linux-ext4@vger.kernel.org as well so that the ext4 developers can > review such changes are well... Ok, will do in future. > > Reviewed-by: Dave Chinner Thanks for the review. Eryu > > Cheers, > > Dave. > -- > Dave Chinner > david@fromorbit.com From david@fromorbit.com Thu Apr 10 23:27:06 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 4F6A47F6D for ; Thu, 10 Apr 2014 23:27:06 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id 269E38F8037 for ; Thu, 10 Apr 2014 21:27:05 -0700 (PDT) X-ASG-Debug-ID: 1397190420-04bdf07dcacae70001-NocioJ Received: from ipmail05.adl6.internode.on.net (ipmail05.adl6.internode.on.net [150.101.137.143]) by cuda.sgi.com with ESMTP id YyyBR1Jg2m9EkiRG for ; Thu, 10 Apr 2014 21:27:00 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.143 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: Ai11AKxuR1N5LEcvPGdsb2JhbABZgwY7gxOFC7cXhV2BHhcDAQEBATg1giUBAQEEOhwjEAgDGAklDwUlAwcaE4d7zRQWjXQRAVAHhDgEmF2WBSuBNQ Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail05.adl6.internode.on.net with ESMTP; 11 Apr 2014 13:56:31 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WYT2o-0007se-15; Fri, 11 Apr 2014 14:26:26 +1000 Date: Fri, 11 Apr 2014 14:26:25 +1000 From: Dave Chinner To: daiguochao Cc: xfs@oss.sgi.com Subject: Re: 10GB memorys occupied by XFS Message-ID: <20140411042625.GG15995@dastard> X-ASG-Orig-Subj: Re: 10GB memorys occupied by XFS References: <1396596386220-35015.post@n7.nabble.com> <1397184044761-35016.post@n7.nabble.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1397184044761-35016.post@n7.nabble.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail05.adl6.internode.on.net[150.101.137.143] X-Barracuda-Start-Time: 1397190420 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4777 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Thu, Apr 10, 2014 at 07:40:44PM -0700, daiguochao wrote: > Dear Stan, I can't send email to you.So I leave a message here.I hope not to > bother you. > Thank you for your kind assistance. > > In accordance with your suggestion, we executed "echo 3 > > /proc/sysm/drop_caches" for trying to release vfs dentries and inodes. > Really, > our lost memory came back. But we learned that the memory of vfs dentries > and inodes is distributed from slab. Please check our system "Slab: 509708 > kB" from /proc/meminfo, and it seems only be took up 500MB and xfs_buf take > up 450MB among. That's where your memory is - in metadata buffers. The xfs_buf slab entries are just the handles - the metadata pages in the buffers usually take much more space and it's not accounted to the slab cache nor the page cache. Can you post the output of /proc/slabinfo, and what is the output of xfs_info on the filesystem in question? Also, a description of your workload that is resulting in large amounts of cached metadata buffers but no inodes or dentries would be helpful. Cheers, Dave. -- Dave Chinner david@fromorbit.com From dave@fromorbit.com Thu Apr 10 23:46:34 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 2EEC67F72 for ; Thu, 10 Apr 2014 23:46:34 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id 157DD304053 for ; Thu, 10 Apr 2014 21:46:29 -0700 (PDT) X-ASG-Debug-ID: 1397191587-04cbb00dc4cd880001-NocioJ Received: from ipmail05.adl6.internode.on.net (ipmail05.adl6.internode.on.net [150.101.137.143]) by cuda.sgi.com with ESMTP id SoPSgd4nRm74hx95 for ; Thu, 10 Apr 2014 21:46:28 -0700 (PDT) X-Barracuda-Envelope-From: dave@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.143 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AptvAGlyR1N5LEcvPGdsb2JhbABZgwaIWbx0gR4XAwEBAQE4NYIlAS0vOxhqAwcth3ubDbINjghZKIQiBKxfggMrgSw Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail05.adl6.internode.on.net with ESMTP; 11 Apr 2014 14:16:16 +0930 Received: from disappointment.disaster.area ([192.168.1.110] helo=disappointment) by dastard with esmtp (Exim 4.80) (envelope-from ) id 1WYTLz-0007ub-D5 for xfs@oss.sgi.com; Fri, 11 Apr 2014 14:46:15 +1000 Received: from dave by disappointment with local (Exim 4.82) (envelope-from ) id 1WYTLz-0000ZD-Bz for xfs@oss.sgi.com; Fri, 11 Apr 2014 14:46:15 +1000 From: Dave Chinner To: xfs@oss.sgi.com Subject: [PATCH] xfs: wrong error sign conversion during failed DIO writes Date: Fri, 11 Apr 2014 14:46:15 +1000 X-ASG-Orig-Subj: [PATCH] xfs: wrong error sign conversion during failed DIO writes Message-Id: <1397191575-2144-1-git-send-email-david@fromorbit.com> X-Mailer: git-send-email 1.9.0 X-Barracuda-Connect: ipmail05.adl6.internode.on.net[150.101.137.143] X-Barracuda-Start-Time: 1397191587 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4777 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- From: Dave Chinner We negate the error value being returned from a generic function incorrectly. The code path that it is running in returned negative errors, so there is no need to negate it to get the correct error signs here. This was uncovered by generic/019. Signed-off-by: Dave Chinner --- fs/xfs/xfs_file.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c index 003c005..067c3aa 100644 --- a/fs/xfs/xfs_file.c +++ b/fs/xfs/xfs_file.c @@ -679,7 +679,7 @@ xfs_file_dio_aio_write( goto out; if (mapping->nrpages) { - ret = -filemap_write_and_wait_range(VFS_I(ip)->i_mapping, + ret = filemap_write_and_wait_range(VFS_I(ip)->i_mapping, pos, -1); if (ret) goto out; -- 1.9.0 From david@fromorbit.com Thu Apr 10 23:49:21 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id E144A7F75 for ; Thu, 10 Apr 2014 23:49:21 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 67A0CAC00B for ; Thu, 10 Apr 2014 21:49:21 -0700 (PDT) X-ASG-Debug-ID: 1397191758-04cbb00dc5cdb00001-NocioJ Received: from ipmail05.adl6.internode.on.net (ipmail05.adl6.internode.on.net [150.101.137.143]) by cuda.sgi.com with ESMTP id QOCk0TBdlU4d8xyG for ; Thu, 10 Apr 2014 21:49:19 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.143 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AiJ1AJZzR1N5LEcvPGdsb2JhbABZgwaDToULtxeFXYEeFwMBAQEBODWCJQEBAQQ6HCMQCAMUBAklDwUlAwcaE4d7zQIXFo5WB4Q4BJhdimSLISs Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail05.adl6.internode.on.net with ESMTP; 11 Apr 2014 14:18:45 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WYTOO-0007un-9t; Fri, 11 Apr 2014 14:48:44 +1000 Date: Fri, 11 Apr 2014 14:48:44 +1000 From: Dave Chinner To: Eric Sandeen Cc: Mark Tinguely , xfs-oss Subject: Re: [PATCH] xfs_io: fix random pread/pwrite to honor offset Message-ID: <20140411044844.GH15995@dastard> X-ASG-Orig-Subj: Re: [PATCH] xfs_io: fix random pread/pwrite to honor offset References: <53459C4E.9030902@sandeen.net> <5345B209.5040906@sgi.com> <5345B3AD.5020805@sandeen.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <5345B3AD.5020805@sandeen.net> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail05.adl6.internode.on.net[150.101.137.143] X-Barracuda-Start-Time: 1397191758 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4778 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Wed, Apr 09, 2014 at 03:55:09PM -0500, Eric Sandeen wrote: > On 4/9/14, 3:48 PM, Mark Tinguely wrote: > > On 04/09/14 14:15, Eric Sandeen wrote: > >> xfs_io's pread & pwrite claim to support a random IO mode > >> where it will do random IOs between offset & offset+len. > >> > >> However, offset was ignored, and we did the IOs between 0 > >> and len instead. > >> > >> Clang caught this by pointing out that the calculated/normalized > >> "offset" variable was never read. > >> > >> (NB: If the range is larger than RAND_MAX, these functions don't > >> work, but that's always been true, so I'll leave it for another > >> day...) > >> > >> Signed-off-by: Eric Sandeen > >> --- .... > > > > Looks like this was introduced in: > > commit 8fb2237e65555ff540e8b6108ffccfffefe239ac > > Author: Nathan Scott > > Date: Fri Nov 11 14:25:18 2005 +0000 > > > > Provide further debugging options and tweaks for analysing the read/write paths. > > Merge of master-melb:xfs-cmds:24372a by kenmcd. > > > > --- > > > > If it was broken for 8.5 years, I think it could be removed. > > Eh, could, or we could fix it. :) I suppose this means it needs a test... :/ And document it ;) Cheers, Dave. -- Dave Chinner david@fromorbit.com From stan@hardwarefreak.com Fri Apr 11 00:09:54 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id CF6037F76 for ; Fri, 11 Apr 2014 00:09:53 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 4FA89AC00B for ; Thu, 10 Apr 2014 22:09:53 -0700 (PDT) X-ASG-Debug-ID: 1397192988-04cb6c77b6c7e20001-NocioJ Received: from greer.hardwarefreak.com (mo-65-41-216-221.sta.embarqhsd.net [65.41.216.221]) by cuda.sgi.com with ESMTP id ZVaJcqAAflRGwWI2 for ; Thu, 10 Apr 2014 22:09:48 -0700 (PDT) X-Barracuda-Envelope-From: stan@hardwarefreak.com X-Barracuda-Apparent-Source-IP: 65.41.216.221 X-Barracuda-User-Whitelist: xfs@oss.sgi.com Received: from [192.168.100.53] (gffx.hardwarefreak.com [192.168.100.53]) by greer.hardwarefreak.com (Postfix) with ESMTP id 369856C1B8; Fri, 11 Apr 2014 00:09:48 -0500 (CDT) Message-ID: <5347791A.6040609@hardwarefreak.com> Date: Fri, 11 Apr 2014 00:09:46 -0500 From: Stan Hoeppner Reply-To: stan@hardwarefreak.com User-Agent: Mozilla/5.0 (Windows NT 5.1; rv:24.0) Gecko/20100101 Thunderbird/24.4.0 MIME-Version: 1.0 To: =?UTF-8?B?5oi05Zu96LaF?= CC: xfs@oss.sgi.com Subject: Re: 10GB memorys occupied by XFS References: <1396596386220-35015.post@n7.nabble.com> <533F14EC.6040705@hardwarefreak.com> <76016fc7.13c84.14546bad411.Coremail.dx-wl@163.com> X-ASG-Orig-Subj: Re: 10GB memorys occupied by XFS In-Reply-To: <76016fc7.13c84.14546bad411.Coremail.dx-wl@163.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Barracuda-Connect: mo-65-41-216-221.sta.embarqhsd.net[65.41.216.221] X-Barracuda-Start-Time: 1397192988 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On 4/9/2014 8:43 AM, 戴国超 wrote: > Dear Stan, > Thank you for your kind assistance. > > In accordance with your suggestion, we executed "echo 3 > /proc/sysm/drop_caches" for trying to release vfs dentries and inodes. Really, > our lost memory came back. But we learned that the memory of vfs dentries and inodes is distributed from slab. Please check our system "Slab: 509708 kB" from /proc/meminfo, and it seems only be took up 500MB and xfs_buf take up 450MB among. To free pagecache: echo 1 > /proc/sys/vm/drop_caches To free reclaimable slab objects (includes dentries and inodes): echo 2 > /proc/sys/vm/drop_caches To free slab objects and pagecache: echo 3 > /proc/sys/vm/drop_caches > And /proc/meminfo indicated that our system memory is anomalous, there is about 10GB out of the statistics. We want to know how the system could observe the usage amount of vfs dentries and iodes through the system interface. If the memory usage of system is not reflected in /proc/meminfo as we can not find the statistics, and we thought it as a bug of xfs. It seems much of this 10 GB of memory is being consumed by pagecache, not dentries and inodes. So the question is: Why is pagecache not being reclaimed without manual intervention? > My vm.vfs_cache_pressure of linux system is 100. We think that the system will proactively take the memory back when the memory is not enough, rather than oom-killer kills our work process. Our datas of /proc/meminfo occurred during the system problem as below: Except most of your slab is reported as not reclaimable, see below. > 130> cat /proc/meminfo > MemTotal: 12173268 kB > MemFree: 223044 kB > Buffers: 244 kB > Cached: 4540 kB <------ 4.5 MB is reported use by the pagecache. But some 10 GB is being consumed by the page cache and not reported here. > SwapCached: 0 kB > Active: 1700 kB > Inactive: 5312 kB > Active(anon): 1616 kB > Inactive(anon): 1128 kB > Active(file): 84 kB > Inactive(file): 4184 kB > Unevictable: 0 kB > Mlocked: 0 kB > SwapTotal: 0 kB > SwapFree: 0 kB > Dirty: 0 kB > Writeback: 0 kB > AnonPages: 2556 kB > Mapped: 1088 kB > Shmem: 196 kB > Slab: 509708 kB <------ > SReclaimable: 7596 kB <------ > SUnreclaim: 502112 kB <------ This indicates that your slab is not being reclaimed, but not why. > KernelStack: 1096 kB > PageTables: 748 kB > NFS_Unstable: 0 kB > Bounce: 0 kB > WritebackTmp: 0 kB > CommitLimit: 6086632 kB > Committed_AS: 9440 kB > VmallocTotal: 34359738367 kB > VmallocUsed: 303488 kB > VmallocChunk: 34359426132 kB > HardwareCorrupted: 0 kB > AnonHugePages: 0 kB > HugePages_Total: 0 > HugePages_Free: 0 > HugePages_Rsvd: 0 > HugePages_Surp: 0 > Hugepagesize: 2048 kB > DirectMap4k: 6152 kB > DirectMap2M: 2070528 kB > DirectMap1G: 10485760 kB > > I look forward to hearing from you and thank you very much for your kind assistance. Unfortunately I don't have solid answers for you at this point, nor a solution. This is beyond my expertise. Maybe someone else with more knowledge/experience will jump in. I suspect your application may be doing something a bit unusual. Cheers, Stan > Best Regards, > > Guochao > > > At 2014-04-05 04:24:12,"Stan Hoeppner" wrote: >> On 4/4/2014 2:26 AM, daiguochao wrote: >>> Hello folks, >> >> Hello, >> >> Note that your problems are not XFS specific, but can occur with any >> Linux filesystem. >> >>> I used xfs file system in kernel-2.6.32-220.13.1.el6.x86_64 for store >>> pictures. About 100 days system memorys is lost and some nginx process is >>> killed by oom-killer.So,I looked /proc/meminfo and find memorys is >>> lost.Finally, I try to umount xfs system and 10GB memorys is coming back. l >>> look xfs bugzilla no such BUG.I have no idea for it. >>> >>> Cheers, >>> >>> Guochao. >>> >>> some memorys info: >>> >>> 0> free -m >>> total used free shared buffers cached >>> Mem: 11887 11668 219 0 0 2 >>> -/+ buffers/cache: 11665 222 >>> Swap: 0 0 0 >> >> >> First problem: no swap >> Second problem: cache is not being reclaimed >> >> Read vfs_cache_pressure at: >> https://www.kernel.org/doc/Documentation/sysctl/vm.txt >> >> You've likely set this value to zero. Changing it to 200 should prompt >> the kernel to reclaim dentries and inodes aggressively, preventing the >> oom-killer from kicking in. >> >> Cheers, >> >> Stan From BATV+d70b2720cc0687438191+3883+infradead.org+hch@bombadil.srs.infradead.org Fri Apr 11 02:34:55 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 0E9C67F7C for ; Fri, 11 Apr 2014 02:34:54 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id EF716304053 for ; Fri, 11 Apr 2014 00:34:50 -0700 (PDT) X-ASG-Debug-ID: 1397201688-04cb6c77b5ce360001-NocioJ Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) by cuda.sgi.com with ESMTP id a0gqRt9z2rJx3ESp (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Fri, 11 Apr 2014 00:34:49 -0700 (PDT) X-Barracuda-Envelope-From: BATV+d70b2720cc0687438191+3883+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.80.1 #2 (Red Hat Linux)) id 1WYVz5-0001hG-Q4; Fri, 11 Apr 2014 07:34:47 +0000 Date: Fri, 11 Apr 2014 00:34:47 -0700 From: Christoph Hellwig To: Dave Chinner Cc: Christoph Hellwig , xfs@oss.sgi.com Subject: Re: [PATCH 4/6] xfs: zeroing space needs to punch delalloc blocks Message-ID: <20140411073447.GA6397@infradead.org> X-ASG-Orig-Subj: Re: [PATCH 4/6] xfs: zeroing space needs to punch delalloc blocks References: <1397106053-7489-1-git-send-email-david@fromorbit.com> <1397106053-7489-5-git-send-email-david@fromorbit.com> <20140410104001.GG17641@infradead.org> <20140410122259.GC27519@dastard> <20140410123332.GA15577@infradead.org> <20140410223546.GE27519@dastard> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140410223546.GE27519@dastard> User-Agent: Mutt/1.5.21 (2010-09-15) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html X-Barracuda-Connect: bombadil.infradead.org[198.137.202.9] X-Barracuda-Start-Time: 1397201688 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4781 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Fri, Apr 11, 2014 at 08:35:46AM +1000, Dave Chinner wrote: > Fixed it. Reviewed-by: Christoph Hellwig with that little tweak. And yes, we'll need that series ASAP - I not hit the asserts everytime I do an xfstests run. From BATV+d70b2720cc0687438191+3883+infradead.org+hch@bombadil.srs.infradead.org Fri Apr 11 02:39:40 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 72F567F7E for ; Fri, 11 Apr 2014 02:39:40 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id 16C74AC002 for ; Fri, 11 Apr 2014 00:39:40 -0700 (PDT) X-ASG-Debug-ID: 1397201979-04bdf07dccd3330001-NocioJ Received: from bombadil.infradead.org ([198.137.202.9]) by cuda.sgi.com with ESMTP id jLDzL36QMGwzkNpN (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Fri, 11 Apr 2014 00:39:39 -0700 (PDT) X-Barracuda-Envelope-From: BATV+d70b2720cc0687438191+3883+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.80.1 #2 (Red Hat Linux)) id 1WYW3n-0002yO-7G; Fri, 11 Apr 2014 07:39:39 +0000 Date: Fri, 11 Apr 2014 00:39:39 -0700 From: Christoph Hellwig To: Dave Chinner Cc: xfs@oss.sgi.com Subject: Re: [PATCH] xfs: wrong error sign conversion during failed DIO writes Message-ID: <20140411073939.GA11314@infradead.org> X-ASG-Orig-Subj: Re: [PATCH] xfs: wrong error sign conversion during failed DIO writes References: <1397191575-2144-1-git-send-email-david@fromorbit.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1397191575-2144-1-git-send-email-david@fromorbit.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html X-Barracuda-Connect: UNKNOWN[198.137.202.9] X-Barracuda-Start-Time: 1397201979 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.10 X-Barracuda-Spam-Status: No, SCORE=0.10 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=RDNS_NONE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4781 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.10 RDNS_NONE Delivered to trusted network by a host with no rDNS On Fri, Apr 11, 2014 at 02:46:15PM +1000, Dave Chinner wrote: > From: Dave Chinner > > We negate the error value being returned from a generic function > incorrectly. The code path that it is running in returned negative > errors, so there is no need to negate it to get the correct error > signs here. > > This was uncovered by generic/019. Looks good, Reviewed-by: Christoph Hellwig From N.Concha@lse.ac.uk Fri Apr 11 07:13:03 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: *** X-Spam-Status: No, score=3.9 required=5.0 tests=HTML_IMAGE_ONLY_04, HTML_MESSAGE,MPART_ALT_DIFF,T_REMOTE_IMAGE,UNPARSEABLE_RELAY autolearn=no version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id DDDD67F37 for ; Fri, 11 Apr 2014 07:13:03 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id ACF398F8037 for ; Fri, 11 Apr 2014 05:13:00 -0700 (PDT) X-ASG-Debug-ID: 1397218378-04cbb00dc3f1010001-NocioJ Received: from mail1.bemta4.messagelabs.com (mail1.bemta4.messagelabs.com [85.158.143.242]) by cuda.sgi.com with ESMTP id 1jd353676L6HukS4 for ; Fri, 11 Apr 2014 05:12:59 -0700 (PDT) X-Barracuda-Envelope-From: N.Concha@lse.ac.uk X-Barracuda-Apparent-Source-IP: 85.158.143.242 Received: from [85.158.143.99:28175] by server-1.bemta-4.messagelabs.com id 79/E9-09853-54CD7435; Fri, 11 Apr 2014 12:12:53 +0000 X-Env-Sender: N.Concha@lse.ac.uk X-Msg-Ref: server-2.tower-216.messagelabs.com!1397218372!23972410!1 X-Originating-IP: [158.143.216.142] X-StarScan-Received: X-StarScan-Version: 6.11.1; banners=lse.ac.uk,-,- X-VirusChecked: Checked Received: (qmail 20616 invoked from network); 11 Apr 2014 12:12:52 -0000 Received: from lm.lse.ac.uk (HELO EXCHIC2.lse.ac.uk) (158.143.216.142) by server-2.tower-216.messagelabs.com with SMTP; 11 Apr 2014 12:12:52 -0000 Received: from exchic3.lse.ac.uk ([158.143.216.143]) by EXCHIC2.lse.ac.uk with Microsoft SMTPSVC(6.0.3790.4675); Fri, 11 Apr 2014 13:12:51 +0100 Received: from exchic3.lse.ac.uk ([158.143.216.143]) by exchic3.lse.ac.uk with Microsoft SMTPSVC(6.0.3790.4675); Fri, 11 Apr 2014 13:11:56 +0100 Received: from [76.73.71.184] ([76.73.71.184]) by exchic3.lse.ac.uk over TLS secured channel with Microsoft SMTPSVC(6.0.3790.4675); Fri, 11 Apr 2014 13:06:15 +0100 Content-Type: multipart/alternative; boundary="===============1030061863==" MIME-Version: 1.0 Subject: REAL To: Recipients X-ASG-Orig-Subj: REAL From: "ED & SOP" Date: Fri, 11 Apr 2014 05:05:34 -0700 Reply-To: hansenpalomare@yeah.net Message-ID: X-OriginalArrivalTime: 11 Apr 2014 12:06:15.0441 (UTC) FILETIME=[703E6010:01CF557E] X-Barracuda-Connect: mail1.bemta4.messagelabs.com[85.158.143.242] X-Barracuda-Start-Time: 1397218379 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 1.09 X-Barracuda-Spam-Status: No, SCORE=1.09 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_SA148a, BSF_SC0_SA_TO_FROM_ADDR_MATCH, HTML_IMAGE_ONLY_04, HTML_MESSAGE, MPART_ALT_DIFF, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4787 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines 0.10 BSF_SC0_SA148a URI: Custom Rule SA148a 0.34 HTML_IMAGE_ONLY_04 BODY: HTML: images with 0-400 bytes of words 0.00 HTML_MESSAGE BODY: HTML included in message 0.14 MPART_ALT_DIFF BODY: HTML and text parts are different 0.50 BSF_SC0_SA_TO_FROM_ADDR_MATCH Sender Address Matches Recipient Address You will not see this in a MIME-aware mail reader. --===============1030061863== Content-Type: text/plain; charset="iso-8859-1" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Description: Mail message body Please access the attached hyperlink for an important electronic communica= tions disclaimer: http://lse.ac.uk/emailDisclaimer --===============1030061863== Content-Type: text/html; charset="iso-8859-1" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Description: Mail message body =
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--===============1030061863==-- From thermomural@gmail.com Fri Apr 11 07:20:26 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=FREEMAIL_FROM,LOTS_OF_MONEY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 504CE7F55 for ; Fri, 11 Apr 2014 07:20:26 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id DE631AC002 for ; Fri, 11 Apr 2014 05:20:22 -0700 (PDT) X-ASG-Debug-ID: 1397218817-04cbb00dc3f1e70001-NocioJ Received: from [139.170.2.34] ([139.170.2.34]) by cuda.sgi.com with SMTP id k4T4VPeezWiUgoWx for ; Fri, 11 Apr 2014 05:20:19 -0700 (PDT) X-Barracuda-Envelope-From: thermomural@gmail.com X-Barracuda-Apparent-Source-IP: 139.170.2.34 Reply-To: thermomural@gmail.com From: thermomural@gmail.com To: xfs@oss.sgi.com Subject: promo climatiseur mural Sender: thermomural@gmail.com X-ASG-Orig-Subj: promo climatiseur mural Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Date: Fri, 11 Apr 2014 20:15:10 +0800 X-Barracuda-Connect: UNKNOWN[139.170.2.34] X-Barracuda-Start-Time: 1397218817 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.74 X-Barracuda-Spam-Status: No, SCORE=0.74 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC5_MJ1963, MISSING_MID, NO_REAL_NAME, RDNS_NONE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4788 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.14 MISSING_MID Missing Message-Id: header 0.00 NO_REAL_NAME From: does not include a real name 0.10 RDNS_NONE Delivered to trusted network by a host with no rDNS 0.50 BSF_SC5_MJ1963 Custom Rule MJ1963 Message-Id: <20140411122022.83FC4106C71C@cuda.sgi.com> Vente surplus d'inventaire 2013 sur thermopompes murales de marque Napoleon Climatisation-Déhumidification-Chauffage jusqu'à - 15 Celcius (Avec arrêt automatique)-Dc Inverter Compresseur Toshiba-Garantie 6 ans complète Un appareil haut de gamme à prix imbattable. 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Telepnone 514 792 6461 From bfoster@redhat.com Fri Apr 11 08:10:58 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id ED98B7F53 for ; Fri, 11 Apr 2014 08:10:57 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id C395C304053 for ; Fri, 11 Apr 2014 06:10:54 -0700 (PDT) X-ASG-Debug-ID: 1397221850-04cbb00dc5f83d0001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id UsCkIyLqxvMUxrEC for ; Fri, 11 Apr 2014 06:10:51 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3BDAm2r026536 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 11 Apr 2014 09:10:48 -0400 Received: from laptop.bfoster (vpn-60-48.rdu2.redhat.com [10.10.60.48]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s3BDAlIo015491; Fri, 11 Apr 2014 09:10:48 -0400 Received: from laptop.bfoster (localhost.localdomain [127.0.0.1]) by laptop.bfoster (Postfix) with ESMTP id 535D4120AC3; Fri, 11 Apr 2014 09:10:47 -0400 (EDT) Received: (from bfoster@localhost) by laptop.bfoster (8.14.7/8.14.7/Submit) id s3BDAkrb012623; Fri, 11 Apr 2014 09:10:46 -0400 X-Authentication-Warning: laptop.bfoster: bfoster set sender to bfoster@redhat.com using -f Date: Fri, 11 Apr 2014 09:10:45 -0400 From: Brian Foster To: Dave Chinner Cc: xfs@oss.sgi.com Subject: Re: [PATCH 0/6 v2] xfs: delalloc, dio and corruption... Message-ID: <20140411131044.GA11718@laptop.bfoster> X-ASG-Orig-Subj: Re: [PATCH 0/6 v2] xfs: delalloc, dio and corruption... References: <1397106053-7489-1-git-send-email-david@fromorbit.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1397106053-7489-1-git-send-email-david@fromorbit.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1397221850 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Thu, Apr 10, 2014 at 03:00:47PM +1000, Dave Chinner wrote: > Hi folks, > > This is version 2 of the DIO vs delalloc patchset I posted here: > > http://oss.sgi.com/archives/xfs/2014-03/msg00313.html > > The changes to this version are: > > - the bug fix to patch 2 that Brain noticed, > - I dropped the delalloc extent splittting patch because > with the fix to patch 2 I can't trigger that bug anymore, > and that patch was causing transaction overruns in > xfs/297. Hence without an existing reproducer, I won't try > to fix that problem. > - the last patch is new, and is a bug in the collapse range > code where it fails to shift the last N extents correctly > if there are N delalloc extents before the shifted range. > > With these 6 patches, all of the xfstests fsx/fsstress tests pass > on 1k, 2k and 4k block size filesystems, with and without CRCs > enabled, on 1, 2 and 16p test VMs. > > I'm much happier with these patches now - I don't think that there > are more problems lurking, but only time will tell. I'd like to get > these fixes to Linus for 3.15 (probably for -rc2), so eyeballs and > testing would be appreciated. > The series looks pretty good to me now with the latest fix. I was previously tripping all over the delalloc asserts. With this set (and also running with finobt enabled), my tests ran clean on a 4k fs. I've seen generic/270 still hit an assert once or twice on a 1k block fs (as noted on irc), but that's proven rather difficult to reproduce. I'll continue beating on it a bit, but otherwise: Tested-by: Brian Foster Brian > Cheers, > > Dave. > > _______________________________________________ > xfs mailing list > xfs@oss.sgi.com > http://oss.sgi.com/mailman/listinfo/xfs From miklos@szeredi.hu Fri Apr 11 10:52:09 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 8973D7F3F for ; Fri, 11 Apr 2014 10:52:09 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id 4A7B3304067 for ; Fri, 11 Apr 2014 08:52:08 -0700 (PDT) X-ASG-Debug-ID: 1397231525-04bdf07dc8105110001-NocioJ Received: from mail-ee0-f51.google.com (mail-ee0-f51.google.com [74.125.83.51]) by cuda.sgi.com with ESMTP id iUNyKgDRauB5FdNu (version=TLSv1 cipher=RC4-SHA bits=128 verify=NO) for ; Fri, 11 Apr 2014 08:52:06 -0700 (PDT) X-Barracuda-Envelope-From: miklos@szeredi.hu X-Barracuda-Apparent-Source-IP: 74.125.83.51 Received: by mail-ee0-f51.google.com with SMTP id c13so4266493eek.24 for ; Fri, 11 Apr 2014 08:52:05 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=szeredi.hu; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=cQN/z8VUXtgzomsr17o0aBBSZMNic4xQGu5DJgVVgGw=; b=Wl4fGH34aC7pZdgEKu4ntrZKVbJzEjtJrNhD/eB3jfxw3aqCBPMsoZwgne6jkTXiRx xkx1FQ7vnt/BlPJGUjiNnchBkaAqW9lv/U30HrVIXpwlNknKYGa1S2CSe2tqWpDOLpmr 8HYb5BKsJ2B9nnEKRptI27qLUDf9TJno6pL34= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=cQN/z8VUXtgzomsr17o0aBBSZMNic4xQGu5DJgVVgGw=; b=QQ5ywuZfMbYFrzYSIY4EE/oO3s1fFl5hRUP0HM1Az3c7LXND/WHozZTPwBD4QQQyHv CH+tPJpmnHTSrNXnEMRNnOgLujkJM78TQyq8o/2i8DnwLtbx/r1EsjOVWKKTDoX+drf3 BU/lKd3a3+9pbWO42P+gqyQB4JdtwM00WVlyWnnN6TLTveeVVBUrP0PC3hhDV9/o1lVW 7Yn6J+dtDltGudkpMuPczrUd1Xo2Rc9u/QE3K629+B9gyh+8/KO6JTOEkmSYA6dcVgpL rfA+lwURtPQRD18B9vOiCsE8LYGueMTZYtLrX/OV1AiwJthlF8zJweE9Pb8HUzvTy/lY Uklw== X-Gm-Message-State: ALoCoQmvVofxFmaxVhDe21Hau8orlyKg4J2Nxa6C5PRhLcCn22hatxQ5YgiDnNMBMFenuMK95MZ8 X-Received: by 10.14.47.12 with SMTP id s12mr2284822eeb.116.1397231525181; Fri, 11 Apr 2014 08:52:05 -0700 (PDT) Received: from tucsk.pomaz.szeredi.hu (2E8B5005.mobile.pool.telekom.hu. [46.139.80.5]) by mx.google.com with ESMTPSA id u1sm18492033eex.31.2014.04.11.08.52.03 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 11 Apr 2014 08:52:04 -0700 (PDT) From: Miklos Szeredi To: xfs@oss.sgi.com Cc: Miklos Szeredi Subject: [PATCH 2/4] renameat2 syscall: check plain rename Date: Fri, 11 Apr 2014 17:51:55 +0200 X-ASG-Orig-Subj: [PATCH 2/4] renameat2 syscall: check plain rename Message-Id: <1397231517-4641-2-git-send-email-miklos@szeredi.hu> X-Mailer: git-send-email 1.8.1.4 In-Reply-To: <1397231517-4641-1-git-send-email-miklos@szeredi.hu> References: <1397231517-4641-1-git-send-email-miklos@szeredi.hu> X-Barracuda-Connect: mail-ee0-f51.google.com[74.125.83.51] X-Barracuda-Start-Time: 1397231526 X-Barracuda-Encrypted: RC4-SHA X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=DKIM_SIGNED X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4793 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature From: Miklos Szeredi Check with zero flags. This is what rename(2) and renameat(2) now call, so this actually tests the behavior of these syscalls as well. Signed-off-by: Miklos Szeredi --- tests/generic/323 | 57 +++++++++++++++++++++++++++++++++++++++++++++++++++ tests/generic/323.out | 51 +++++++++++++++++++++++++++++++++++++++++++++ tests/generic/group | 1 + 3 files changed, 109 insertions(+) create mode 100755 tests/generic/323 create mode 100644 tests/generic/323.out diff --git a/tests/generic/323 b/tests/generic/323 new file mode 100755 index 0000000..84772bb --- /dev/null +++ b/tests/generic/323 @@ -0,0 +1,57 @@ +#! /bin/bash +# FS QA Test No. generic/323 +# +# Check renameat2 syscall without flags +# +#----------------------------------------------------------------------- +# Copyright (c) 2014 Miklos Szeredi. All Rights Reserved. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it would be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write the Free Software Foundation, +# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +#----------------------------------------------------------------------- +# + +seq=`basename $0` +seqres=$RESULT_DIR/$seq +echo "QA output created by $seq" + +here=`pwd` +tmp=/tmp/$$ +status=1 # failure is the default! +trap "_cleanup; exit \$status" 0 1 2 3 15 + +_cleanup() +{ + cd / + rm -f $tmp.* +} + +# get standard environment, filters and checks +. ./common/rc +. ./common/renameat2 + +_supported_fs generic +_supported_os Linux + +_requires_renameat2 + +# real QA test starts here + +rename_dir=$TEST_DIR/$$ +mkdir -p $rename_dir +_rename_tests $rename_dir +rmdir $rename_dir + +# success, all done +status=0 +exit diff --git a/tests/generic/323.out b/tests/generic/323.out new file mode 100644 index 0000000..bb85b9a --- /dev/null +++ b/tests/generic/323.out @@ -0,0 +1,51 @@ +QA output created by 323 +samedir none/none -> No such file or directory +samedir none/regu -> No such file or directory +samedir none/symb -> No such file or directory +samedir none/dire -> No such file or directory +samedir none/tree -> No such file or directory +samedir regu/none -> none/regu. +samedir regu/regu -> none/regu. +samedir regu/symb -> none/regu. +samedir regu/dire -> Is a directory +samedir regu/tree -> Is a directory +samedir symb/none -> none/symb. +samedir symb/regu -> none/symb. +samedir symb/symb -> none/symb. +samedir symb/dire -> Is a directory +samedir symb/tree -> Is a directory +samedir dire/none -> none/dire. +samedir dire/regu -> Not a directory +samedir dire/symb -> Not a directory +samedir dire/dire -> none/dire. +samedir dire/tree -> Directory not empty +samedir tree/none -> none/tree. +samedir tree/regu -> Not a directory +samedir tree/symb -> Not a directory +samedir tree/dire -> none/tree. +samedir tree/tree -> Directory not empty +crossdir none/none -> No such file or directory +crossdir none/regu -> No such file or directory +crossdir none/symb -> No such file or directory +crossdir none/dire -> No such file or directory +crossdir none/tree -> No such file or directory +crossdir regu/none -> none/regu. +crossdir regu/regu -> none/regu. +crossdir regu/symb -> none/regu. +crossdir regu/dire -> Is a directory +crossdir regu/tree -> Is a directory +crossdir symb/none -> none/symb. +crossdir symb/regu -> none/symb. +crossdir symb/symb -> none/symb. +crossdir symb/dire -> Is a directory +crossdir symb/tree -> Is a directory +crossdir dire/none -> none/dire. +crossdir dire/regu -> Not a directory +crossdir dire/symb -> Not a directory +crossdir dire/dire -> none/dire. +crossdir dire/tree -> Directory not empty +crossdir tree/none -> none/tree. +crossdir tree/regu -> Not a directory +crossdir tree/symb -> Not a directory +crossdir tree/dire -> none/tree. +crossdir tree/tree -> Directory not empty diff --git a/tests/generic/group b/tests/generic/group index 1c1693d..26e584b 100644 --- a/tests/generic/group +++ b/tests/generic/group @@ -136,3 +136,4 @@ 320 auto rw 321 auto quick metadata log 322 auto quick metadata log +323 auto quick -- 1.8.1.4 From miklos@szeredi.hu Fri Apr 11 10:52:10 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 0C9E17F4E for ; 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[46.139.80.5]) by mx.google.com with ESMTPSA id u1sm18492033eex.31.2014.04.11.08.52.06 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 11 Apr 2014 08:52:07 -0700 (PDT) From: Miklos Szeredi To: xfs@oss.sgi.com Cc: Miklos Szeredi Subject: [PATCH 4/4] renameat2 syscall: check cross rename Date: Fri, 11 Apr 2014 17:51:57 +0200 X-ASG-Orig-Subj: [PATCH 4/4] renameat2 syscall: check cross rename Message-Id: <1397231517-4641-4-git-send-email-miklos@szeredi.hu> X-Mailer: git-send-email 1.8.1.4 In-Reply-To: <1397231517-4641-1-git-send-email-miklos@szeredi.hu> References: <1397231517-4641-1-git-send-email-miklos@szeredi.hu> X-Barracuda-Connect: mail-ee0-f51.google.com[74.125.83.51] X-Barracuda-Start-Time: 1397231528 X-Barracuda-Encrypted: RC4-SHA X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=DKIM_SIGNED X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4793 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature From: Miklos Szeredi Check with RENAME_EXCHANGE flag. This flag indicates that the source and destination files are to be exchanged. Signed-off-by: Miklos Szeredi --- tests/generic/325 | 64 +++++++++++++++++++++++++++++++++++++++++++++++++++ tests/generic/325.out | 51 ++++++++++++++++++++++++++++++++++++++++ tests/generic/group | 1 + 3 files changed, 116 insertions(+) create mode 100755 tests/generic/325 create mode 100644 tests/generic/325.out diff --git a/tests/generic/325 b/tests/generic/325 new file mode 100755 index 0000000..6776e10 --- /dev/null +++ b/tests/generic/325 @@ -0,0 +1,64 @@ +#! /bin/bash +# FS QA Test No. generic/325 +# +# Check renameat2 syscall with RENAME_EXCHANGE flag +# +#----------------------------------------------------------------------- +# Copyright (c) 2014 Miklos Szeredi. All Rights Reserved. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it would be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write the Free Software Foundation, +# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +#----------------------------------------------------------------------- +# + +seq=`basename $0` +seqres=$RESULT_DIR/$seq +echo "QA output created by $seq" + +here=`pwd` +tmp=/tmp/$$ +status=1 # failure is the default! +trap "_cleanup; exit \$status" 0 1 2 3 15 + +_cleanup() +{ + cd / + rm -f $tmp.* +} + +# get standard environment, filters and checks +. ./common/rc +. ./common/renameat2 + +_supported_fs generic +_supported_os Linux + +_requires_renameat2 + +rename_dir=$TEST_DIR/$$ +mkdir $rename_dir +touch $rename_dir/foo $rename_dir/bar +if ! src/renameat2 -t -x $rename_dir/foo $rename_dir/bar; then + rm -f $rename_dir/foo $rename_dir/bar; rmdir $rename_dir + _notrun "fs doesn't support RENAME_EXCHANGE" +fi +rm -f $rename_dir/foo $rename_dir/bar + +# real QA test starts here + +_rename_tests $rename_dir -x +rmdir $rename_dir + +# success, all done +status=0 +exit diff --git a/tests/generic/325.out b/tests/generic/325.out new file mode 100644 index 0000000..f73d7c1 --- /dev/null +++ b/tests/generic/325.out @@ -0,0 +1,51 @@ +QA output created by 325 +samedir none/none -> No such file or directory +samedir none/regu -> No such file or directory +samedir none/symb -> No such file or directory +samedir none/dire -> No such file or directory +samedir none/tree -> No such file or directory +samedir regu/none -> No such file or directory +samedir regu/regu -> regu/regu. +samedir regu/symb -> symb/regu. +samedir regu/dire -> dire/regu. +samedir regu/tree -> tree/regu. +samedir symb/none -> No such file or directory +samedir symb/regu -> regu/symb. +samedir symb/symb -> symb/symb. +samedir symb/dire -> dire/symb. +samedir symb/tree -> tree/symb. +samedir dire/none -> No such file or directory +samedir dire/regu -> regu/dire. +samedir dire/symb -> symb/dire. +samedir dire/dire -> dire/dire. +samedir dire/tree -> tree/dire. +samedir tree/none -> No such file or directory +samedir tree/regu -> regu/tree. +samedir tree/symb -> symb/tree. +samedir tree/dire -> dire/tree. +samedir tree/tree -> tree/tree. +crossdir none/none -> No such file or directory +crossdir none/regu -> No such file or directory +crossdir none/symb -> No such file or directory +crossdir none/dire -> No such file or directory +crossdir none/tree -> No such file or directory +crossdir regu/none -> No such file or directory +crossdir regu/regu -> regu/regu. +crossdir regu/symb -> symb/regu. +crossdir regu/dire -> dire/regu. +crossdir regu/tree -> tree/regu. +crossdir symb/none -> No such file or directory +crossdir symb/regu -> regu/symb. +crossdir symb/symb -> symb/symb. +crossdir symb/dire -> dire/symb. +crossdir symb/tree -> tree/symb. +crossdir dire/none -> No such file or directory +crossdir dire/regu -> regu/dire. +crossdir dire/symb -> symb/dire. +crossdir dire/dire -> dire/dire. +crossdir dire/tree -> tree/dire. +crossdir tree/none -> No such file or directory +crossdir tree/regu -> regu/tree. +crossdir tree/symb -> symb/tree. +crossdir tree/dire -> dire/tree. +crossdir tree/tree -> tree/tree. diff --git a/tests/generic/group b/tests/generic/group index 37697d8..8ea9b10 100644 --- a/tests/generic/group +++ b/tests/generic/group @@ -138,3 +138,4 @@ 322 auto quick metadata log 323 auto quick 324 auto quick +325 auto quick -- 1.8.1.4 From miklos@szeredi.hu Fri Apr 11 10:52:10 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 1B3807F50 for ; 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[46.139.80.5]) by mx.google.com with ESMTPSA id u1sm18492033eex.31.2014.04.11.08.52.05 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 11 Apr 2014 08:52:05 -0700 (PDT) From: Miklos Szeredi To: xfs@oss.sgi.com Cc: Miklos Szeredi Subject: [PATCH 3/4] renameat2 syscall: check noreplace rename Date: Fri, 11 Apr 2014 17:51:56 +0200 X-ASG-Orig-Subj: [PATCH 3/4] renameat2 syscall: check noreplace rename Message-Id: <1397231517-4641-3-git-send-email-miklos@szeredi.hu> X-Mailer: git-send-email 1.8.1.4 In-Reply-To: <1397231517-4641-1-git-send-email-miklos@szeredi.hu> References: <1397231517-4641-1-git-send-email-miklos@szeredi.hu> X-Barracuda-Connect: mail-ee0-f49.google.com[74.125.83.49] X-Barracuda-Start-Time: 1397231527 X-Barracuda-Encrypted: RC4-SHA X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=DKIM_SIGNED X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4793 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature From: Miklos Szeredi Check with RENAME_NOREPLACE flag. This flag indicates that the rename must fail if the target of the rename exists. Signed-off-by: Miklos Szeredi --- tests/generic/324 | 64 +++++++++++++++++++++++++++++++++++++++++++++++++++ tests/generic/324.out | 51 ++++++++++++++++++++++++++++++++++++++++ tests/generic/group | 1 + 3 files changed, 116 insertions(+) create mode 100755 tests/generic/324 create mode 100644 tests/generic/324.out diff --git a/tests/generic/324 b/tests/generic/324 new file mode 100755 index 0000000..7b45ca8 --- /dev/null +++ b/tests/generic/324 @@ -0,0 +1,64 @@ +#! /bin/bash +# FS QA Test No. generic/324 +# +# Check renameat2 syscall with RENAME_NOREPLACE flag +# +#----------------------------------------------------------------------- +# Copyright (c) 2014 Miklos Szeredi. All Rights Reserved. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it would be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write the Free Software Foundation, +# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +#----------------------------------------------------------------------- +# + +seq=`basename $0` +seqres=$RESULT_DIR/$seq +echo "QA output created by $seq" + +here=`pwd` +tmp=/tmp/$$ +status=1 # failure is the default! +trap "_cleanup; exit \$status" 0 1 2 3 15 + +_cleanup() +{ + cd / + rm -f $tmp.* +} + +# get standard environment, filters and checks +. ./common/rc +. ./common/renameat2 + +_supported_fs generic +_supported_os Linux + +_requires_renameat2 + +rename_dir=$TEST_DIR/$$ +mkdir $rename_dir +touch $rename_dir/foo +if ! src/renameat2 -t -n $rename_dir/foo $rename_dir/bar; then + rm -f $rename_dir/foo $rename_dir/bar; rmdir $rename_dir + _notrun "fs doesn't support RENAME_NOREPLACE" +fi +rm -f $rename_dir/foo $rename_dir/bar + +# real QA test starts here + +_rename_tests $rename_dir -n +rmdir $rename_dir + +# success, all done +status=0 +exit diff --git a/tests/generic/324.out b/tests/generic/324.out new file mode 100644 index 0000000..fff5547 --- /dev/null +++ b/tests/generic/324.out @@ -0,0 +1,51 @@ +QA output created by 324 +samedir none/none -> No such file or directory +samedir none/regu -> No such file or directory +samedir none/symb -> No such file or directory +samedir none/dire -> No such file or directory +samedir none/tree -> No such file or directory +samedir regu/none -> none/regu. +samedir regu/regu -> File exists +samedir regu/symb -> File exists +samedir regu/dire -> File exists +samedir regu/tree -> File exists +samedir symb/none -> none/symb. +samedir symb/regu -> File exists +samedir symb/symb -> File exists +samedir symb/dire -> File exists +samedir symb/tree -> File exists +samedir dire/none -> none/dire. +samedir dire/regu -> File exists +samedir dire/symb -> File exists +samedir dire/dire -> File exists +samedir dire/tree -> File exists +samedir tree/none -> none/tree. +samedir tree/regu -> File exists +samedir tree/symb -> File exists +samedir tree/dire -> File exists +samedir tree/tree -> File exists +crossdir none/none -> No such file or directory +crossdir none/regu -> No such file or directory +crossdir none/symb -> No such file or directory +crossdir none/dire -> No such file or directory +crossdir none/tree -> No such file or directory +crossdir regu/none -> none/regu. +crossdir regu/regu -> File exists +crossdir regu/symb -> File exists +crossdir regu/dire -> File exists +crossdir regu/tree -> File exists +crossdir symb/none -> none/symb. +crossdir symb/regu -> File exists +crossdir symb/symb -> File exists +crossdir symb/dire -> File exists +crossdir symb/tree -> File exists +crossdir dire/none -> none/dire. +crossdir dire/regu -> File exists +crossdir dire/symb -> File exists +crossdir dire/dire -> File exists +crossdir dire/tree -> File exists +crossdir tree/none -> none/tree. +crossdir tree/regu -> File exists +crossdir tree/symb -> File exists +crossdir tree/dire -> File exists +crossdir tree/tree -> File exists diff --git a/tests/generic/group b/tests/generic/group index 26e584b..37697d8 100644 --- a/tests/generic/group +++ b/tests/generic/group @@ -137,3 +137,4 @@ 321 auto quick metadata log 322 auto quick metadata log 323 auto quick +324 auto quick -- 1.8.1.4 From miklos@szeredi.hu Fri Apr 11 10:52:12 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 33F797F56 for ; 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[46.139.80.5]) by mx.google.com with ESMTPSA id u1sm18492033eex.31.2014.04.11.08.52.02 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 11 Apr 2014 08:52:03 -0700 (PDT) From: Miklos Szeredi To: xfs@oss.sgi.com Cc: Miklos Szeredi Subject: [PATCH 1/4] renameat2 syscall: add infrastructure Date: Fri, 11 Apr 2014 17:51:54 +0200 X-ASG-Orig-Subj: [PATCH 1/4] renameat2 syscall: add infrastructure Message-Id: <1397231517-4641-1-git-send-email-miklos@szeredi.hu> X-Mailer: git-send-email 1.8.1.4 X-Barracuda-Connect: mail-ee0-f48.google.com[74.125.83.48] X-Barracuda-Start-Time: 1397231524 X-Barracuda-Encrypted: RC4-SHA X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=DKIM_SIGNED X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4793 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature From: Miklos Szeredi The renameat2() syscall was merged into 3.15-rc (merge commit: 7df934526c0b). This adds the shared infrastructure for the actual test scripts. Signed-off-by: Miklos Szeredi --- .gitignore | 1 + common/renameat2 | 129 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ configure.ac | 2 + src/Makefile | 3 +- src/renameat2.c | 102 +++++++++++++++++++++++++++++++++++++++++++ 5 files changed, 236 insertions(+), 1 deletion(-) create mode 100644 common/renameat2 create mode 100644 src/renameat2.c diff --git a/.gitignore b/.gitignore index e8c5012..66e6ee8 100644 --- a/.gitignore +++ b/.gitignore @@ -106,6 +106,7 @@ /src/aio-dio-regress/aio-io-setup-with-nonwritable-context-pointer /src/aio-dio-regress/aiodio_sparse2 /src/cloner +/src/renameat2 # dmapi/ binaries /dmapi/src/common/cmd/read_invis diff --git a/common/renameat2 b/common/renameat2 new file mode 100644 index 0000000..a335169 --- /dev/null +++ b/common/renameat2 @@ -0,0 +1,129 @@ +###### +# +# renameat2 helpers +# +#----------------------------------------------------------------------- +# Copyright (c) 2014 Miklos Szeredi. All Rights Reserved. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it would be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write the Free Software Foundation, +# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +#----------------------------------------------------------------------- +# + +# +# Setup source or dest +# +_setup_one() +{ + local path=$1 + local type=$2 + + case $type in + none) ;; + regu) echo foo > $path;; + symb) ln -s foo $path;; + dire) mkdir $path;; + tree) mkdir $path; echo foo > $path/bar;; + esac +} + +# +# Cleanup source or dest +# +_cleanup_one() +{ + local path=$1 + + if test -d $path; then + rm -f $path/bar + rmdir $path + else + rm -f $path + fi +} + +# +# Check type of source or destination +# +_showtype_one() +{ + local path=$1 + + if test -e $path -o -h $path; then + if test -d $path -a -e $path/bar; then + echo -n "tree" + else + echo -n `stat -c %F $path | cut -b-4` + fi + else + echo -n "none" + fi +} + +# +# This runs renameat2 on all combinations of source and dest +# +_rename_tests_source_dest() +{ + local source=$1 + local dest=$2 + local options=$3 + + for stype in none regu symb dire tree; do + for dtype in none regu symb dire tree; do + echo -n "$options $stype/$dtype -> " + _setup_one $source $stype + _setup_one $dest $dtype + src/renameat2 $source $dest $flags + if test $? == 0; then + _showtype_one $source + echo -n "/" + _showtype_one $dest + echo "." + fi + _cleanup_one $source + _cleanup_one $dest + done + done +} + +# +# This runs _rename_tests_source_dest() for both same-directory and +# cross-directory renames +# +_rename_tests() +{ + local testdir=$1 + local flags=$2 + + #same directory renames + _rename_tests_source_dest $testdir/src $testdir/dst "samedir " + + #cross directory renames + mkdir $testdir/x $testdir/y + _rename_tests_source_dest $testdir/x/src $testdir/y/dst "crossdir" + rmdir $testdir/x $testdir/y +} + +# +# This checks whether the renameat2 syscall is supported +# +_requires_renameat2() +{ + if test ! -x src/renameat2; then + _notrun "renameat2 binary not found" + fi + if ! src/renameat2 -t; then + _notrun "kernel doesn't support renameat2 syscall" + fi +} diff --git a/configure.ac b/configure.ac index 2f95c4c..43e6029 100644 --- a/configure.ac +++ b/configure.ac @@ -76,6 +76,8 @@ in ;; esac +AC_CHECK_FUNCS([renameat2]) + AC_CONFIG_HEADER(include/config.h) AC_CONFIG_FILES([include/builddefs]) AC_OUTPUT diff --git a/src/Makefile b/src/Makefile index 2dbc696..d754048 100644 --- a/src/Makefile +++ b/src/Makefile @@ -18,7 +18,8 @@ LINUX_TARGETS = xfsctl bstat t_mtab getdevicesize preallo_rw_pattern_reader \ locktest unwritten_mmap bulkstat_unlink_test t_stripealign \ bulkstat_unlink_test_modified t_dir_offset t_futimens t_immutable \ stale_handle pwrite_mmap_blocked t_dir_offset2 seek_sanity_test \ - seek_copy_test t_readdir_1 t_readdir_2 fsync-tester nsexec cloner + seek_copy_test t_readdir_1 t_readdir_2 fsync-tester nsexec cloner \ + renameat2 SUBDIRS = diff --git a/src/renameat2.c b/src/renameat2.c new file mode 100644 index 0000000..5145959 --- /dev/null +++ b/src/renameat2.c @@ -0,0 +1,102 @@ +/* + * Copyright (c) 2014, Miklos Szeredi + * This file is published under GPL2+. + * + * This is a trivial wrapper around the renameat2 syscall. + */ + +#include "global.h" + +#ifndef HAVE_RENAMEAT2 +#include + +#if !defined(SYS_renameat2) && defined(__x86_64__) +#define SYS_renameat2 316 +#endif + +static int renameat2(int dfd1, const char *path1, + int dfd2, const char *path2, + unsigned int flags) +{ +#ifdef SYS_renameat2 + return syscall(SYS_renameat2, dfd1, path1, dfd2, path2, flags); +#else + errno = ENOSYS; + return -1; +#endif +} +#endif + +#ifndef RENAME_NOREPLACE +#define RENAME_NOREPLACE (1 << 0) /* Don't overwrite target */ +#endif +#ifndef RENAME_EXCHANGE +#define RENAME_EXCHANGE (1 << 1) /* Exchange source and dest */ +#endif +#ifndef RENAME_WHITEOUT +#define RENAME_WHITEOUT (1 << 2) /* Whiteout source */ +#endif + +int main(int argc, char *argv[]) +{ + int ret; + int c; + const char *path1 = NULL; + const char *path2 = NULL; + unsigned int flags = 0; + int test = 0; + + for (c = 1; c < argc; c++) { + if (argv[c][0] == '-') { + switch (argv[c][1]) { + case 't': + test = 1; + break; + case 'n': + flags |= RENAME_NOREPLACE; + break; + case 'x': + flags |= RENAME_EXCHANGE; + break; + case 'w': + flags |= RENAME_WHITEOUT; + break; + default: + goto usage; + } + } else if (!path1) { + path1 = argv[c]; + } else if (!path2) { + path2 = argv[c]; + } else { + goto usage; + } + } + + if (!test && (!path1 || !path2)) + goto usage; + + ret = renameat2(AT_FDCWD, path1, AT_FDCWD, path2, flags); + if (ret == -1) { + if (test) { + if (errno == ENOSYS || errno == EINVAL) + return 1; + else + return 0; + } + perror(""); + return 1; + } + + return 0; + +usage: + fprintf(stderr, + "usage: %s [-t] [-n|-x|-w] path1 path2\n" + " -t test\n" + " -n noreplace\n" + " -x exchange\n" + " -w whiteout\n", argv[0]); + + return 1; +} -- 1.8.1.4 From P@draigbrady.com Fri Apr 11 12:14:11 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 928F17F3F for ; Fri, 11 Apr 2014 12:14:11 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 6A44C8F8033 for ; Fri, 11 Apr 2014 10:14:08 -0700 (PDT) X-ASG-Debug-ID: 1397236443-04cb6c77b4107410001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id PvYJOyvxjIl8vXvt for ; Fri, 11 Apr 2014 10:14:04 -0700 (PDT) X-Barracuda-Envelope-From: P@draigBrady.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx01.intmail.prod.int.phx2.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3BHE3g4002694 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Fri, 11 Apr 2014 13:14:03 -0400 Received: from [10.36.116.46] (ovpn-116-46.ams2.redhat.com [10.36.116.46]) by int-mx01.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id s3BHE0CO017550 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Fri, 11 Apr 2014 13:14:02 -0400 Message-ID: <534822D7.7090803@draigBrady.com> Date: Fri, 11 Apr 2014 18:13:59 +0100 From: =?UTF-8?B?UMOhZHJhaWcgQnJhZHk=?= User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130110 Thunderbird/17.0.2 MIME-Version: 1.0 To: xfs-oss CC: =?UTF-8?B?T25kxZllaiBWYcWhw61r?= Subject: Strange hole creation behavior X-Enigmail-Version: 1.6 X-ASG-Orig-Subj: Strange hole creation behavior Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 2.67 on 10.5.11.11 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1397236444 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 So this coreutils test is failing on XFS: http://git.sv.gnu.org/gitweb/?p=coreutils.git;a=blob;f=tests/dd/sparse.sh;h=06efc7017 Specifically the last hole check on line 66. In summary what's happening is that a write(1MiB), lseek(1MiB), write(1MiB) creates only a 64KiB hole. Is that expected? Now a 1MiB hole is supported using truncate: dd if=/dev/urandom of=file.in bs=1M count=1 iflag=fullblock truncate -s+1M file.in dd if=/dev/urandom of=file.in bs=1M count=1 iflag=fullblock conv=notrunc oflag=append $ du -k file.in 2048 file.in But when trying to create the 1MiB hole with dd (lseek) it fails? # Create 3MiB input file file $ dd if=/dev/urandom of=file.in bs=1M count=3 iflag=fullblock $ dd if=/dev/zero of=file.in bs=1M count=1 seek=1 conv=notrunc $ du -k file.in 3072 file.in # Convert to 1MiB hole doesn't work :( $ dd if=file.in of=file.out bs=1M conv=sparse $ du -k file.out 3008 file.out # Again with syscall details: $ strace -e write,lseek dd if=file.in of=file.out bs=1M conv=sparse write(1, "...", 1048576) = 1048576 lseek(1, 1048576, SEEK_CUR) = 2097152 write(1, "...", 1048576) = 1048576 So it seems that the lseeks are treated differently to the truncate that was done in the first example, which is surprising. If we look at the file layout we can see the hole is only at the last 64KiB of the middle 1MiB of zeros, rather than for the whole middle 1MiB as in the first example?? $ filefrag -v file.out Filesystem type is: 58465342 File size of file.out is 3145728 (768 blocks of 4096 bytes) ext: logical_offset: physical_offset: length: expected: flags: 0: 0.. 495: 31271.. 31766: 496: 1: 512.. 767: 31783.. 32038: 256: 31767: eof thanks, Pádraig. Versions etc. in case useful $ uname -a Linux tp2 3.12.6-300.fc20.x86_64 #1 SMP Mon Dec 23 16:44:31 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux $ xfs_info . meta-data=/dev/loop2 isize=256 agcount=4, agsize=65536 blks = sectsz=512 attr=2 data = bsize=4096 blocks=262144, imaxpct=25 = sunit=0 swidth=0 blks naming =version 2 bsize=4096 ascii-ci=0 log =internal bsize=4096 blocks=2560, version=2 = sectsz=512 sunit=0 blks, lazy-count=1 realtime =none extsz=4096 blocks=0, rtextents=0 From lczerner@redhat.com Fri Apr 11 13:57:52 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 4765729DF7 for ; Fri, 11 Apr 2014 13:57:52 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 12049304059 for ; Fri, 11 Apr 2014 11:57:51 -0700 (PDT) X-ASG-Debug-ID: 1397242670-04cb6c77b7110900001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id 1H2yuyU0Trxkyrbw for ; Fri, 11 Apr 2014 11:57:50 -0700 (PDT) X-Barracuda-Envelope-From: lczerner@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx12.intmail.prod.int.phx2.redhat.com (int-mx12.intmail.prod.int.phx2.redhat.com [10.5.11.25]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3BIvnJA030269 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 11 Apr 2014 14:57:50 -0400 Received: from localhost.localdomain.com (vpn1-6-179.ams2.redhat.com [10.36.6.179]) by int-mx12.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s3BIvljQ004828; Fri, 11 Apr 2014 14:57:48 -0400 From: Lukas Czerner To: linux-fsdevel@vger.kernel.org Cc: linux-ext4@vger.kernel.org, xfs@oss.sgi.com, ceph-devel@vger.kernel.org, Lukas Czerner Subject: [PATCH 1/4] ext4: Remove unnecessary check for APPEND and IMMUTABLE Date: Fri, 11 Apr 2014 20:57:42 +0200 X-ASG-Orig-Subj: [PATCH 1/4] ext4: Remove unnecessary check for APPEND and IMMUTABLE Message-Id: <1397242665-2183-1-git-send-email-lczerner@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.25 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1397242670 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 All the checks IS_APPEND and IS_IMMUTABLE for the fallocate operation on the inode are done in vfs. No need to do this again in ext4. Remove it. Signed-off-by: Lukas Czerner --- fs/ext4/extents.c | 6 ------ fs/ext4/inode.c | 6 +----- 2 files changed, 1 insertion(+), 11 deletions(-) diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c index 89f2227..0177150 100644 --- a/fs/ext4/extents.c +++ b/fs/ext4/extents.c @@ -5387,12 +5387,6 @@ int ext4_collapse_range(struct inode *inode, loff_t offset, loff_t len) /* Take mutex lock */ mutex_lock(&inode->i_mutex); - /* It's not possible punch hole on append only file */ - if (IS_APPEND(inode) || IS_IMMUTABLE(inode)) { - ret = -EPERM; - goto out_mutex; - } - if (IS_SWAPFILE(inode)) { ret = -ETXTBSY; goto out_mutex; diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index 1922f48..56f1ff4 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -3528,11 +3528,7 @@ int ext4_punch_hole(struct inode *inode, loff_t offset, loff_t length) } mutex_lock(&inode->i_mutex); - /* It's not possible punch hole on append only file */ - if (IS_APPEND(inode) || IS_IMMUTABLE(inode)) { - ret = -EPERM; - goto out_mutex; - } + if (IS_SWAPFILE(inode)) { ret = -ETXTBSY; goto out_mutex; -- 1.8.3.1 From lczerner@redhat.com Fri Apr 11 13:57:56 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id DFBD329DFE for ; Fri, 11 Apr 2014 13:57:55 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 67873AC002 for ; Fri, 11 Apr 2014 11:57:55 -0700 (PDT) X-ASG-Debug-ID: 1397242674-04cbb00dc611c420001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id n2BbAqBq2xN1l3wa for ; Fri, 11 Apr 2014 11:57:54 -0700 (PDT) X-Barracuda-Envelope-From: lczerner@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx12.intmail.prod.int.phx2.redhat.com (int-mx12.intmail.prod.int.phx2.redhat.com [10.5.11.25]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3BIvrpn018635 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 11 Apr 2014 14:57:53 -0400 Received: from localhost.localdomain.com (vpn1-6-179.ams2.redhat.com [10.36.6.179]) by int-mx12.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s3BIvljS004828; Fri, 11 Apr 2014 14:57:52 -0400 From: Lukas Czerner To: linux-fsdevel@vger.kernel.org Cc: linux-ext4@vger.kernel.org, xfs@oss.sgi.com, ceph-devel@vger.kernel.org, Lukas Czerner Subject: [PATCH 3/4] fs: Remove i_size check from do_fallocate Date: Fri, 11 Apr 2014 20:57:44 +0200 X-ASG-Orig-Subj: [PATCH 3/4] fs: Remove i_size check from do_fallocate Message-Id: <1397242665-2183-3-git-send-email-lczerner@redhat.com> In-Reply-To: <1397242665-2183-1-git-send-email-lczerner@redhat.com> References: <1397242665-2183-1-git-send-email-lczerner@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.25 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1397242674 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 Currently in do_fallocate in collapse range case we're checking whether offset + len is not bigger than i_size. However there is nothing which would prevent i_size from changing so the check is pointless. It should be done in the file system itself and the file system needs to make sure that i_size is not going to change. As it is now we can easily crash kernel by having two processes doing truncate and fallocate collapse range at the same time. This can be reproduced on ext4 and it is theoretically possible on xfs even though I was not able to trigger it with this simple test. This commit removes the check from do_fallocate and adds it to the file system. Signed-off-by: Lukas Czerner --- fs/ext4/extents.c | 11 +++++++++-- fs/open.c | 8 -------- fs/xfs/xfs_file.c | 10 +++++++++- 3 files changed, 18 insertions(+), 11 deletions(-) diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c index 0177150..ff823b7 100644 --- a/fs/ext4/extents.c +++ b/fs/ext4/extents.c @@ -5364,8 +5364,6 @@ int ext4_collapse_range(struct inode *inode, loff_t offset, loff_t len) loff_t new_size; int ret; - BUG_ON(offset + len > i_size_read(inode)); - /* Collapse range works only on fs block size aligned offsets. */ if (offset & (EXT4_BLOCK_SIZE(sb) - 1) || len & (EXT4_BLOCK_SIZE(sb) - 1)) @@ -5387,6 +5385,15 @@ int ext4_collapse_range(struct inode *inode, loff_t offset, loff_t len) /* Take mutex lock */ mutex_lock(&inode->i_mutex); + /* + * There is no need to overlap collapse range with EOF, in which case + * it is effectively a truncate operation + */ + if (offset + len >= i_size_read(inode)) { + ret = -EINVAL; + goto out_mutex; + } + if (IS_SWAPFILE(inode)) { ret = -ETXTBSY; goto out_mutex; diff --git a/fs/open.c b/fs/open.c index 7882ff5..14af6be 100644 --- a/fs/open.c +++ b/fs/open.c @@ -287,14 +287,6 @@ int do_fallocate(struct file *file, int mode, loff_t offset, loff_t len) if (((offset + len) > inode->i_sb->s_maxbytes) || ((offset + len) < 0)) return -EFBIG; - /* - * There is no need to overlap collapse range with EOF, in which case - * it is effectively a truncate operation - */ - if ((mode & FALLOC_FL_COLLAPSE_RANGE) && - (offset + len >= i_size_read(inode))) - return -EINVAL; - if (!file->f_op->fallocate) return -EOPNOTSUPP; diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c index 003c005..4ba0ae9 100644 --- a/fs/xfs/xfs_file.c +++ b/fs/xfs/xfs_file.c @@ -840,7 +840,15 @@ xfs_file_fallocate( goto out_unlock; } - ASSERT(offset + len < i_size_read(inode)); + /* + * There is no need to overlap collapse range with EOF, + * in which case it is effectively a truncate operation + */ + if (offset + len >= i_size_read(inode)) { + error = -EINVAL; + goto out_unlock; + } + new_size = i_size_read(inode) - len; error = xfs_collapse_file_space(ip, offset, len); -- 1.8.3.1 From lczerner@redhat.com Fri Apr 11 13:57:56 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 8BDA729DFE for ; Fri, 11 Apr 2014 13:57:56 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id 2E0D0AC002 for ; Fri, 11 Apr 2014 11:57:53 -0700 (PDT) X-ASG-Debug-ID: 1397242672-04bdf07dc7114530001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id KysBIOr4ZYbKsuWJ for ; Fri, 11 Apr 2014 11:57:52 -0700 (PDT) X-Barracuda-Envelope-From: lczerner@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx12.intmail.prod.int.phx2.redhat.com (int-mx12.intmail.prod.int.phx2.redhat.com [10.5.11.25]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3BIvpqB021098 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 11 Apr 2014 14:57:51 -0400 Received: from localhost.localdomain.com (vpn1-6-179.ams2.redhat.com [10.36.6.179]) by int-mx12.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s3BIvljR004828; Fri, 11 Apr 2014 14:57:50 -0400 From: Lukas Czerner To: linux-fsdevel@vger.kernel.org Cc: linux-ext4@vger.kernel.org, xfs@oss.sgi.com, ceph-devel@vger.kernel.org, Lukas Czerner Subject: [PATCH 2/4] fs: Prevent doing FALLOC_FL_ZERO_RANGE on append only file Date: Fri, 11 Apr 2014 20:57:43 +0200 X-ASG-Orig-Subj: [PATCH 2/4] fs: Prevent doing FALLOC_FL_ZERO_RANGE on append only file Message-Id: <1397242665-2183-2-git-send-email-lczerner@redhat.com> In-Reply-To: <1397242665-2183-1-git-send-email-lczerner@redhat.com> References: <1397242665-2183-1-git-send-email-lczerner@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.25 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1397242672 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 Currently punch hole and collapse range fallocate operation are not allowed on append only file. This should be case for zero range as well. Fix it. Signed-off-by: Lukas Czerner --- fs/open.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/fs/open.c b/fs/open.c index 631aea81..7882ff5 100644 --- a/fs/open.c +++ b/fs/open.c @@ -254,10 +254,11 @@ int do_fallocate(struct file *file, int mode, loff_t offset, loff_t len) return -EBADF; /* - * It's not possible to punch hole or perform collapse range - * on append only file + * It's not possible to punch hole, perform collapse range + * or zero range on append only file */ - if (mode & (FALLOC_FL_PUNCH_HOLE | FALLOC_FL_COLLAPSE_RANGE) + if (mode & (FALLOC_FL_PUNCH_HOLE | FALLOC_FL_COLLAPSE_RANGE | + FALLOC_FL_ZERO_RANGE) && IS_APPEND(inode)) return -EPERM; -- 1.8.3.1 From lczerner@redhat.com Fri Apr 11 13:57:57 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id E85D729E04 for ; Fri, 11 Apr 2014 13:57:56 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id C05888F8039 for ; Fri, 11 Apr 2014 11:57:56 -0700 (PDT) X-ASG-Debug-ID: 1397242675-04cb6c77b6110930001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id UWFeLCORjRIOH5Sb for ; Fri, 11 Apr 2014 11:57:55 -0700 (PDT) X-Barracuda-Envelope-From: lczerner@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx12.intmail.prod.int.phx2.redhat.com (int-mx12.intmail.prod.int.phx2.redhat.com [10.5.11.25]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3BIvt8w025785 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 11 Apr 2014 14:57:55 -0400 Received: from localhost.localdomain.com (vpn1-6-179.ams2.redhat.com [10.36.6.179]) by int-mx12.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s3BIvljT004828; Fri, 11 Apr 2014 14:57:53 -0400 From: Lukas Czerner To: linux-fsdevel@vger.kernel.org Cc: linux-ext4@vger.kernel.org, xfs@oss.sgi.com, ceph-devel@vger.kernel.org, Lukas Czerner Subject: [PATCH 4/4] fs: Disallow all fallocate operation on active swapfile Date: Fri, 11 Apr 2014 20:57:45 +0200 X-ASG-Orig-Subj: [PATCH 4/4] fs: Disallow all fallocate operation on active swapfile Message-Id: <1397242665-2183-4-git-send-email-lczerner@redhat.com> In-Reply-To: <1397242665-2183-1-git-send-email-lczerner@redhat.com> References: <1397242665-2183-1-git-send-email-lczerner@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.25 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1397242675 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 Currently some file system have IS_SWAPFILE check in their fallocate implementations and some does not. However we should really prevent any fallocate operation on swapfile so move the check to vfs and remove the redundant checks from the file systems fallocate implementations. Signed-off-by: Lukas Czerner --- fs/ceph/file.c | 3 --- fs/ext4/extents.c | 5 ----- fs/ext4/inode.c | 5 ----- fs/open.c | 7 +++++++ 4 files changed, 7 insertions(+), 13 deletions(-) diff --git a/fs/ceph/file.c b/fs/ceph/file.c index 66075a4..3a69d80 100644 --- a/fs/ceph/file.c +++ b/fs/ceph/file.c @@ -1219,9 +1219,6 @@ static long ceph_fallocate(struct file *file, int mode, if (!S_ISREG(inode->i_mode)) return -EOPNOTSUPP; - if (IS_SWAPFILE(inode)) - return -ETXTBSY; - mutex_lock(&inode->i_mutex); if (ceph_snap(inode) != CEPH_NOSNAP) { diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c index ff823b7..517b376 100644 --- a/fs/ext4/extents.c +++ b/fs/ext4/extents.c @@ -5394,11 +5394,6 @@ int ext4_collapse_range(struct inode *inode, loff_t offset, loff_t len) goto out_mutex; } - if (IS_SWAPFILE(inode)) { - ret = -ETXTBSY; - goto out_mutex; - } - /* Currently just for extent based files */ if (!ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS)) { ret = -EOPNOTSUPP; diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index 56f1ff4..d8a270d 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -3529,11 +3529,6 @@ int ext4_punch_hole(struct inode *inode, loff_t offset, loff_t length) mutex_lock(&inode->i_mutex); - if (IS_SWAPFILE(inode)) { - ret = -ETXTBSY; - goto out_mutex; - } - /* No need to punch hole beyond i_size */ if (offset >= inode->i_size) goto out_mutex; diff --git a/fs/open.c b/fs/open.c index 14af6be..48e3fd0 100644 --- a/fs/open.c +++ b/fs/open.c @@ -266,6 +266,13 @@ int do_fallocate(struct file *file, int mode, loff_t offset, loff_t len) return -EPERM; /* + * We can not allow to do any fallocate operation on an active + * swapfile + */ + if (IS_SWAPFILE(inode)) + ret = -ETXTBSY; + + /* * Revalidate the write permissions, in case security policy has * changed since the files were opened. */ -- 1.8.3.1 From bfoster@redhat.com Fri Apr 11 14:02:50 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 1670C29DF7 for ; Fri, 11 Apr 2014 14:02:50 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id A096FAC002 for ; Fri, 11 Apr 2014 12:02:46 -0700 (PDT) X-ASG-Debug-ID: 1397242965-04cb6c77b5111010001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id WYi9Aa97FGycW6eF for ; Fri, 11 Apr 2014 12:02:45 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3BJ2jO6032218 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Fri, 11 Apr 2014 15:02:45 -0400 Received: from laptop.bfoster (vpn-60-48.rdu2.redhat.com [10.10.60.48]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s3BJ2ikZ009149; Fri, 11 Apr 2014 15:02:45 -0400 Received: from laptop.bfoster (localhost.localdomain [127.0.0.1]) by laptop.bfoster (Postfix) with ESMTP id 910CC120AC3; Fri, 11 Apr 2014 15:02:44 -0400 (EDT) Received: (from bfoster@localhost) by laptop.bfoster (8.14.7/8.14.7/Submit) id s3BJ2c0X017428; Fri, 11 Apr 2014 15:02:38 -0400 X-Authentication-Warning: laptop.bfoster: bfoster set sender to bfoster@redhat.com using -f Date: Fri, 11 Apr 2014 15:02:31 -0400 From: Brian Foster To: Eric Sandeen Cc: xfs@oss.sgi.com Subject: Re: [PATCH 00/14] xfsprogs: varius & sundry fixes for coverity defects Message-ID: <20140411190231.GA16717@laptop.bfoster> X-ASG-Orig-Subj: Re: [PATCH 00/14] xfsprogs: varius & sundry fixes for coverity defects References: <1396999504-13769-1-git-send-email-sandeen@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1396999504-13769-1-git-send-email-sandeen@redhat.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1397242965 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Tue, Apr 08, 2014 at 06:24:50PM -0500, Eric Sandeen wrote: > This series knocks out 30 or so coverity defects. > Noted a few nits... things that could probably be fixed up at commit time if so desired. Otherwise, the series looks good to me. Thanks Eric. Reviewed-by: Brian Foster > _______________________________________________ > xfs mailing list > xfs@oss.sgi.com > http://oss.sgi.com/mailman/listinfo/xfs From bfoster@redhat.com Fri Apr 11 14:03:09 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 73F2B29DF7 for ; Fri, 11 Apr 2014 14:03:09 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id 25C4FAC003 for ; Fri, 11 Apr 2014 12:03:09 -0700 (PDT) X-ASG-Debug-ID: 1397242988-04bdf07dc7114c60001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id 80DY8CGhe3zKh5IE for ; Fri, 11 Apr 2014 12:03:08 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx12.intmail.prod.int.phx2.redhat.com (int-mx12.intmail.prod.int.phx2.redhat.com [10.5.11.25]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3BJ38pW023167 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Fri, 11 Apr 2014 15:03:08 -0400 Received: from laptop.bfoster (vpn-60-48.rdu2.redhat.com [10.10.60.48]) by int-mx12.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s3BJ37nR007380; Fri, 11 Apr 2014 15:03:07 -0400 Received: from laptop.bfoster (localhost.localdomain [127.0.0.1]) by laptop.bfoster (Postfix) with ESMTP id 17211120AC3; Fri, 11 Apr 2014 15:03:07 -0400 (EDT) Received: (from bfoster@localhost) by laptop.bfoster (8.14.7/8.14.7/Submit) id s3BJ36Rw017436; Fri, 11 Apr 2014 15:03:06 -0400 X-Authentication-Warning: laptop.bfoster: bfoster set sender to bfoster@redhat.com using -f Date: Fri, 11 Apr 2014 15:03:05 -0400 From: Brian Foster To: Eric Sandeen Cc: xfs@oss.sgi.com Subject: Re: [PATCH 03/14] xfsprogs: trivial buffer frees on error paths Message-ID: <20140411190304.GB16717@laptop.bfoster> X-ASG-Orig-Subj: Re: [PATCH 03/14] xfsprogs: trivial buffer frees on error paths References: <1396999504-13769-1-git-send-email-sandeen@redhat.com> <1396999504-13769-4-git-send-email-sandeen@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1396999504-13769-4-git-send-email-sandeen@redhat.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-Scanned-By: MIMEDefang 2.68 on 10.5.11.25 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1397242988 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Tue, Apr 08, 2014 at 06:24:53PM -0500, Eric Sandeen wrote: > Lots of memory leaks on error paths etc, spotted by > coverity. This patch rolls up the super-straightforward > fixes across xfsprogs. > > Signed-off-by: Eric Sandeen > --- > db/addr.c | 15 +++++++-------- > db/check.c | 4 +++- > db/write.c | 2 ++ > io/parent.c | 2 ++ > mkfs/proto.c | 3 ++- > 5 files changed, 16 insertions(+), 10 deletions(-) > > diff --git a/db/addr.c b/db/addr.c > index f74dd62..f9f760d 100644 > --- a/db/addr.c > +++ b/db/addr.c > @@ -85,16 +85,14 @@ addr_f( > fl = flist_scan(argv[1]); > if (fl == NULL) > return 0; > - if (!flist_parse(fld, fl, iocur_top->data, 0)) { > - flist_free(fl); > - return 0; > - } > + if (!flist_parse(fld, fl, iocur_top->data, 0)) > + goto out; > + You've got some trailing whitespace here (tab in the empty line). Brian > flist_print(fl); > for (tfl = fl; tfl->child != NULL; tfl = tfl->child) { > if ((tfl->flags & FL_OKLOW) && tfl->low < tfl->high) { > dbprintf(_("array not allowed for addr command\n")); > - flist_free(fl); > - return 0; > + goto out; > } > } > fld = tfl->fld; > @@ -103,7 +101,7 @@ addr_f( > next = inode_next_type(); > if (next == TYP_NONE) { > dbprintf(_("no next type for field %s\n"), fld->name); > - return 0; > + goto out; > } > fa = &ftattrtab[fld->ftyp]; > ASSERT(fa->ftyp == fld->ftyp); > @@ -111,9 +109,10 @@ addr_f( > if (adf == NULL) { > dbprintf(_("no addr function for field %s (type %s)\n"), > fld->name, fa->name); > - return 0; > + goto out; > } > (*adf)(iocur_top->data, tfl->offset, next); > +out: > flist_free(fl); > return 0; > } > diff --git a/db/check.c b/db/check.c > index 4867698..baf7f9f 100644 > --- a/db/check.c > +++ b/db/check.c > @@ -1136,7 +1136,7 @@ blocktrash_f( > } > if (blocks == 0) { > dbprintf(_("blocktrash: no matching blocks\n")); > - return 0; > + goto out; > } > if (!sopt) > dbprintf(_("blocktrash: seed %u\n"), seed); > @@ -1161,6 +1161,7 @@ blocktrash_f( > } > } > } > +out: > xfree(lentab); > return 0; > } > @@ -1907,6 +1908,7 @@ ncheck_f( > break; > default: > dbprintf(_("bad option -%c for ncheck command\n"), c); > + xfree(ilist); > return 0; > } > } > diff --git a/db/write.c b/db/write.c > index 7b34fc0..ca8bd0f 100644 > --- a/db/write.c > +++ b/db/write.c > @@ -233,6 +233,7 @@ bwrite_lrot( > memcpy(hold_region, base, shift); > memcpy(base, base+shift, len-shift); > memcpy(base+(len-shift), hold_region, shift); > + free(hold_region); > } > > /* ARGSUSED */ > @@ -265,6 +266,7 @@ bwrite_rrot( > memcpy(hold_region, base+(len-shift), shift); > memmove(base+shift, base, len-shift); > memcpy(base, hold_region, shift); > + free(hold_region); > } > > /* ARGSUSED */ > diff --git a/io/parent.c b/io/parent.c > index 47faaa0..ca989e9 100644 > --- a/io/parent.c > +++ b/io/parent.c > @@ -258,6 +258,8 @@ parent_check(void) > if (!bstatbuf || !parentbuf) { > fprintf(stderr, _("unable to allocate buffers: %s\n"), > strerror(errno)); > + free(bstatbuf); > + free(parentbuf); > return 1; > } > > diff --git a/mkfs/proto.c b/mkfs/proto.c > index b7e0761..95583c9 100644 > --- a/mkfs/proto.c > +++ b/mkfs/proto.c > @@ -49,7 +49,7 @@ char * > setup_proto( > char *fname) > { > - char *buf; > + char *buf = NULL; > static char dflt[] = "d--755 0 0 $"; > int fd; > long size; > @@ -85,6 +85,7 @@ setup_proto( > > out_fail: > close(fd); > + free(buf); > exit(1); > } > > -- > 1.7.1 > > _______________________________________________ > xfs mailing list > xfs@oss.sgi.com > http://oss.sgi.com/mailman/listinfo/xfs From bfoster@redhat.com Fri Apr 11 14:03:37 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 99E8C29DF7 for ; Fri, 11 Apr 2014 14:03:37 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 6F635304066 for ; Fri, 11 Apr 2014 12:03:34 -0700 (PDT) X-ASG-Debug-ID: 1397243013-04cb6c77b5111160001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id Ng9p0Av80xo1WsVU for ; Fri, 11 Apr 2014 12:03:33 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx02.intmail.prod.int.phx2.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3BJ3X7s027870 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Fri, 11 Apr 2014 15:03:33 -0400 Received: from laptop.bfoster (vpn-60-48.rdu2.redhat.com [10.10.60.48]) by int-mx02.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id s3BJ3W8q014485; Fri, 11 Apr 2014 15:03:33 -0400 Received: from laptop.bfoster (localhost.localdomain [127.0.0.1]) by laptop.bfoster (Postfix) with ESMTP id 33AD6120AC3; Fri, 11 Apr 2014 15:03:32 -0400 (EDT) Received: (from bfoster@localhost) by laptop.bfoster (8.14.7/8.14.7/Submit) id s3BJ3Vw5017440; Fri, 11 Apr 2014 15:03:31 -0400 X-Authentication-Warning: laptop.bfoster: bfoster set sender to bfoster@redhat.com using -f Date: Fri, 11 Apr 2014 15:03:31 -0400 From: Brian Foster To: Eric Sandeen Cc: xfs@oss.sgi.com Subject: Re: [PATCH 08/14] xfsprogs: free resources in libxfs_alloc_file_space error paths Message-ID: <20140411190330.GC16717@laptop.bfoster> X-ASG-Orig-Subj: Re: [PATCH 08/14] xfsprogs: free resources in libxfs_alloc_file_space error paths References: <1396999504-13769-1-git-send-email-sandeen@redhat.com> <1396999504-13769-9-git-send-email-sandeen@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1396999504-13769-9-git-send-email-sandeen@redhat.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-Scanned-By: MIMEDefang 2.67 on 10.5.11.12 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1397243013 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Tue, Apr 08, 2014 at 06:24:58PM -0500, Eric Sandeen wrote: > The bmap freelist & transaction pointer weren't > being freed in libxfs_alloc_file_space error paths; > more or less copy the error handling that exists > in kernelspace to resolve this. > > Signed-off-by: Eric Sandeen > --- > libxfs/util.c | 20 +++++++++++++++++--- > 1 files changed, 17 insertions(+), 3 deletions(-) > > diff --git a/libxfs/util.c b/libxfs/util.c > index 1b05540..f1aa4c6 100644 > --- a/libxfs/util.c > +++ b/libxfs/util.c > @@ -582,8 +582,17 @@ libxfs_alloc_file_space( > resblks = (uint)XFS_DIOSTRAT_SPACE_RES(mp, datablocks); > error = xfs_trans_reserve(tp, &M_RES(mp)->tr_write, > resblks, 0); > - if (error) > + /* > + * Check for running out of space > + */ > + if (error) { > + /* > + * Free the transaction structure. > + */ > + ASSERT(error == ENOSPC); /* XXX ERS? */ XXX ? > + xfs_trans_cancel(tp, 0); > break; > + } > xfs_trans_ijoin(tp, ip, 0); > xfs_trans_ihold(tp, ip); > > @@ -593,12 +602,12 @@ libxfs_alloc_file_space( > &reccount, &free_list); > > if (error) > - break; > + goto error0; > > /* complete the transaction */ > error = xfs_bmap_finish(&tp, &free_list, &committed); > if (error) > - break; > + goto error0; > > error = xfs_trans_commit(tp, 0); > if (error) > @@ -612,6 +621,11 @@ libxfs_alloc_file_space( > allocatesize_fsb -= allocated_fsb; > } > return error; > + > +error0: /* Cancel bmap, unlock inode, cancel trans */ Nit, but since it appears we don't lock the inode, the comment is wrong. Brian > + xfs_bmap_cancel(&free_list); > + xfs_trans_cancel(tp, 0); > + return error; > } > > unsigned int > -- > 1.7.1 > > _______________________________________________ > xfs mailing list > xfs@oss.sgi.com > http://oss.sgi.com/mailman/listinfo/xfs From bob.mastors@solidfire.com Fri Apr 11 14:21:27 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=HTML_MESSAGE autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 811EE29DF7 for ; Fri, 11 Apr 2014 14:21:27 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 04E38AC003 for ; Fri, 11 Apr 2014 12:21:26 -0700 (PDT) X-ASG-Debug-ID: 1397244084-04cb6c77b7112a70001-NocioJ Received: from mail-ve0-f176.google.com (mail-ve0-f176.google.com [209.85.128.176]) by cuda.sgi.com with ESMTP id YQV02TC4Yu51459i (version=TLSv1 cipher=RC4-SHA bits=128 verify=NO) for ; Fri, 11 Apr 2014 12:21:24 -0700 (PDT) X-Barracuda-Envelope-From: bob.mastors@solidfire.com X-Barracuda-Apparent-Source-IP: 209.85.128.176 Received: by mail-ve0-f176.google.com with SMTP id db11so5093616veb.7 for ; Fri, 11 Apr 2014 12:21:24 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:date :message-id:subject:from:to:cc:content-type; bh=uPEYtTZtFnmqv13BK+lANO/fS8nW+q8vDe+YUD5wP8c=; b=ebFPb8750lbw2F33npR9Q95al9+yeo8zzuMohLPGSeRLDw+FIDo+p+Elvwo//tJQyl qVtOOxVaIKmUMDccoddu87tewtUOlPc6IIvFHhi1Ypc+xPB8bjWWHMA7L396frtjdTO9 EbaL8PcxkIGnf+B1YdmvCzDOSEeDGNTevZU0w7hRs3DBST6LhrOzO5lVMUCvujBlVIMQ dR82GisxmMShziSZhR4tfpydR29GX0g0DRoHKVbwfHW2Am4slGoZvQXJhHqXMCF++jXX ZmVFXGBBlxKy4IBOOQTim6+uyvAObG+nYLHTXcpv9pBtaCr/o2dRGLuieDCHAxRGnGYJ eUbA== X-Gm-Message-State: ALoCoQnhv/v7aWeReuxji0RMHT/qImthbDi6PGPGKNb9e8lTHOGWVkpxEUgkJ01ZVmsSpoXca9Pz MIME-Version: 1.0 X-Received: by 10.52.99.168 with SMTP id er8mr7116057vdb.26.1397244084259; Fri, 11 Apr 2014 12:21:24 -0700 (PDT) Received: by 10.52.78.67 with HTTP; Fri, 11 Apr 2014 12:21:24 -0700 (PDT) In-Reply-To: <1397104955-7247-1-git-send-email-david@fromorbit.com> References: <1397104955-7247-1-git-send-email-david@fromorbit.com> Date: Fri, 11 Apr 2014 13:21:24 -0600 Message-ID: Subject: Re: [PATCH] xfs: unmount does not wait for shutdown during unmount From: Bob Mastors X-ASG-Orig-Subj: Re: [PATCH] xfs: unmount does not wait for shutdown during unmount To: Dave Chinner Cc: xfs@oss.sgi.com, snitzer@redhat.com Content-Type: multipart/alternative; boundary=20cf3071cab04eceb904f6c93de9 X-Barracuda-Connect: mail-ve0-f176.google.com[209.85.128.176] X-Barracuda-Start-Time: 1397244084 X-Barracuda-Encrypted: RC4-SHA X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=HTML_MESSAGE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4798 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 HTML_MESSAGE BODY: HTML included in message --20cf3071cab04eceb904f6c93de9 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Thanks Dave. This fixed the umount problem I was seeing. Tried it a few thousand times. Works great. Bob On Wed, Apr 9, 2014 at 10:42 PM, Dave Chinner wrote: > From: Dave Chinner > > And interesting situation can occur if a log IO error occurs during > the unmount of a filesystem. The cases reported have the same > signature - the update of the superblock counters fails due to a log > write IO error: > > XFS (dm-16): xfs_do_force_shutdown(0x2) called from line 1170 of file > fs/xfs/xfs_log.c. Return address =3D 0xffffffffa08a44a1 > XFS (dm-16): Log I/O Error Detected. Shutting down filesystem > XFS (dm-16): Unable to update superblock counters. Freespace may not be > correct on next mount. > XFS (dm-16): xfs_log_force: error 5 returned. > XFS (=BF-=BF=BF=BF): Please umount the filesystem and rectify the problem= (s) > > It can be seen that the last line of output contains a corrupt > device name - this is because the log and xfs_mount structures have > already been freed by the time this message is printed. A kernel > oops closely follows. > > The issue is that the shutdown is occurring in a separate IO > completion thread to the unmount. Once the shutdown processing has > started and all the iclogs are marked with XLOG_STATE_IOERROR, the > log shutdown code wakes anyone waiting on a log force so they can > process the shutdown error. This wakes up the unmount code that > is doing a synchronous transaction to update the superblock > counters. > > The unmount path now sees all the iclogs are marked with > XLOG_STATE_IOERROR and so never waits on them again, knowing that if > it does, there will not be a wakeup trigger for it and we will hang > the unmount if we do. Hence the unmount runs through all the > remaining code and frees all the filesystem structures while the > xlog_iodone() is still processing the shutdown. When the log > shutdown processing completes, xfs_do_force_shutdown() emits the > "Please umount the filesystem and rectify the problem(s)" message, > and xlog_iodone() then aborts all the objects attached to the iclog. > An iclog that has already been freed.... > > The real issue here is that there is no serialisation point between > the log IO and the unmount. We have serialisations points for log > writes, log forces, reservations, etc, but we don't actually have > any code that wakes for log IO to fully complete. We do that for all > other types of object, so why not iclogbufs? > > Well, it turns out that we can easily do this. We've got xfs_buf > handles, and that's what everyone else uses for IO serialisation. > i.e. bp->b_sema. So, lets hold iclogbufs locked over IO, and only > release the lock in xlog_iodone() when we are finished with the > buffer. That way before we tear down the iclog, we can lock and > unlock the buffer to ensure IO completion has finished completely > before we tear it down. > > Signed-off-by: Dave Chinner > --- > fs/xfs/xfs_log.c | 53 > ++++++++++++++++++++++++++++++++++++++++++++--------- > 1 file changed, 44 insertions(+), 9 deletions(-) > > diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c > index 8497a00..08624dc 100644 > --- a/fs/xfs/xfs_log.c > +++ b/fs/xfs/xfs_log.c > @@ -1181,11 +1181,14 @@ xlog_iodone(xfs_buf_t *bp) > /* log I/O is always issued ASYNC */ > ASSERT(XFS_BUF_ISASYNC(bp)); > xlog_state_done_syncing(iclog, aborted); > + > /* > - * do not reference the buffer (bp) here as we could race > - * with it being freed after writing the unmount record to the > - * log. > + * drop the buffer lock now that we are done. Nothing references > + * the buffer after this, so an unmount waiting on this lock can > now > + * tear it down safely. As such, it is unsafe to reference the > buffer > + * (bp) after the unlock as we could race with it being freed. > */ > + xfs_buf_unlock(bp); > } > > /* > @@ -1368,8 +1371,16 @@ xlog_alloc_log( > bp =3D xfs_buf_alloc(mp->m_logdev_targp, 0, > BTOBB(log->l_iclog_size), 0); > if (!bp) > goto out_free_log; > - bp->b_iodone =3D xlog_iodone; > + > + /* > + * The iclogbuf buffer locks are held over IO but we are not goin= g > to do > + * IO yet. Hence unlock the buffer so that the log IO path can > grab it > + * when appropriately. > + */ > ASSERT(xfs_buf_islocked(bp)); > + xfs_buf_unlock(bp); > + > + bp->b_iodone =3D xlog_iodone; > log->l_xbuf =3D bp; > > spin_lock_init(&log->l_icloglock); > @@ -1398,6 +1409,9 @@ xlog_alloc_log( > if (!bp) > goto out_free_iclog; > > + ASSERT(xfs_buf_islocked(bp)); > + xfs_buf_unlock(bp); > + > bp->b_iodone =3D xlog_iodone; > iclog->ic_bp =3D bp; > iclog->ic_data =3D bp->b_addr; > @@ -1422,7 +1436,6 @@ xlog_alloc_log( > iclog->ic_callback_tail =3D &(iclog->ic_callback); > iclog->ic_datap =3D (char *)iclog->ic_data + > log->l_iclog_hsize; > > - ASSERT(xfs_buf_islocked(iclog->ic_bp)); > init_waitqueue_head(&iclog->ic_force_wait); > init_waitqueue_head(&iclog->ic_write_wait); > > @@ -1631,6 +1644,12 @@ xlog_cksum( > * we transition the iclogs to IOERROR state *after* flushing all existi= ng > * iclogs to disk. This is because we don't want anymore new transaction= s > to be > * started or completed afterwards. > + * > + * We lock the iclogbufs here so that we can serialise against IO > completion > + * during unmount. We might be processing a shutdown triggered during > unmount, > + * and that can occur asynchronously to the unmount thread, and hence we > need to > + * ensure that completes before tearing down the iclogbufs. Hence we nee= d > to > + * hold the buffer lock across the log IO to acheive that. > */ > STATIC int > xlog_bdstrat( > @@ -1638,6 +1657,7 @@ xlog_bdstrat( > { > struct xlog_in_core *iclog =3D bp->b_fspriv; > > + xfs_buf_lock(bp); > if (iclog->ic_state & XLOG_STATE_IOERROR) { > xfs_buf_ioerror(bp, EIO); > xfs_buf_stale(bp); > @@ -1645,7 +1665,8 @@ xlog_bdstrat( > /* > * It would seem logical to return EIO here, but we rely = on > * the log state machine to propagate I/O errors instead = of > - * doing it here. > + * doing it here. Similarly, IO completion will unlock th= e > + * buffer, so we don't do it here. > */ > return 0; > } > @@ -1847,14 +1868,28 @@ xlog_dealloc_log( > xlog_cil_destroy(log); > > /* > - * always need to ensure that the extra buffer does not point to > memory > - * owned by another log buffer before we free it. > + * Cycle all the iclogbuf locks to make sure all log IO completio= n > + * is done before we tear down these buffers. > */ > + iclog =3D log->l_iclog; > + for (i =3D 0; i < log->l_iclog_bufs; i++) { > + xfs_buf_lock(iclog->ic_bp); > + xfs_buf_unlock(iclog->ic_bp); > + iclog =3D iclog->ic_next; > + } > + > + /* > + * Always need to ensure that the extra buffer does not point to > memory > + * owned by another log buffer before we free it. Also, cycle the > lock > + * first to ensure we've completed IO on it. > + */ > + xfs_buf_lock(log->l_xbuf); > + xfs_buf_unlock(log->l_xbuf); > xfs_buf_set_empty(log->l_xbuf, BTOBB(log->l_iclog_size)); > xfs_buf_free(log->l_xbuf); > > iclog =3D log->l_iclog; > - for (i=3D0; il_iclog_bufs; i++) { > + for (i =3D 0; i < log->l_iclog_bufs; i++) { > xfs_buf_free(iclog->ic_bp); > next_iclog =3D iclog->ic_next; > kmem_free(iclog); > -- > 1.9.0 > > --20cf3071cab04eceb904f6c93de9 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable
Thanks Dave.
This fixed the umount problem I was seein= g.
Tried it a few thousand times. Works great.
Bob


On Wed= , Apr 9, 2014 at 10:42 PM, Dave Chinner <david@fromorbit.com> wrote:
From: Dave Chinner <dchinner@redhat.com>

And interesting situation can occur if a log IO error occurs during
the unmount of a filesystem. The cases reported have the same
signature - the update of the superblock counters fails due to a log
write IO error:

XFS (dm-16): xfs_do_force_shutdown(0x2) called from line 1170 of file fs/xf= s/xfs_log.c. =A0Return address =3D 0xffffffffa08a44a1
XFS (dm-16): Log I/O Error Detected. =A0Shutting down filesystem
XFS (dm-16): Unable to update superblock counters. Freespace may not be cor= rect on next mount.
XFS (dm-16): xfs_log_force: error 5 returned.
XFS (=BF-=BF=BF=BF): Please umount the filesystem and rectify the problem(s= )

It can be seen that the last line of output contains a corrupt
device name - this is because the log and xfs_mount structures have
already been freed by the time this message is printed. A kernel
oops closely follows.

The issue is that the shutdown is occurring in a separate IO
completion thread to the unmount. Once the shutdown processing has
started and all the iclogs are marked with XLOG_STATE_IOERROR, the
log shutdown code wakes anyone waiting on a log force so they can
process the shutdown error. This wakes up the unmount code that
is doing a synchronous transaction to update the superblock
counters.

The unmount path now sees all the iclogs are marked with
XLOG_STATE_IOERROR and so never waits on them again, knowing that if
it does, there will not be a wakeup trigger for it and we will hang
the unmount if we do. Hence the unmount runs through all the
remaining code and frees all the filesystem structures while the
xlog_iodone() is still processing the shutdown. When the log
shutdown processing completes, xfs_do_force_shutdown() emits the
"Please umount the filesystem and rectify the problem(s)" message= ,
and xlog_iodone() then aborts all the objects attached to the iclog.
An iclog that has already been freed....

The real issue here is that there is no serialisation point between
the log IO and the unmount. We have serialisations points for log
writes, log forces, reservations, etc, but we don't actually have
any code that wakes for log IO to fully complete. We do that for all
other types of object, so why not iclogbufs?

Well, it turns out that we can easily do this. We've got xfs_buf
handles, and that's what everyone else uses for IO serialisation.
i.e. bp->b_sema. So, lets hold iclogbufs locked over IO, and only
release the lock in xlog_iodone() when we are finished with the
buffer. That way before we tear down the iclog, we can lock and
unlock the buffer to ensure IO completion has finished completely
before we tear it down.

Signed-off-by: Dave Chinner <dchi= nner@redhat.com>
---
=A0fs/xfs/xfs_log.c | 53 ++++++++++++++++++++++++++++++++++++++++++++------= ---
=A01 file changed, 44 insertions(+), 9 deletions(-)

diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c
index 8497a00..08624dc 100644
--- a/fs/xfs/xfs_log.c
+++ b/fs/xfs/xfs_log.c
@@ -1181,11 +1181,14 @@ xlog_iodone(xfs_buf_t *bp)
=A0 =A0 =A0 =A0 /* log I/O is always issued ASYNC */
=A0 =A0 =A0 =A0 ASSERT(XFS_BUF_ISASYNC(bp));
=A0 =A0 =A0 =A0 xlog_state_done_syncing(iclog, aborted);
+
=A0 =A0 =A0 =A0 /*
- =A0 =A0 =A0 =A0* do not reference the buffer (bp) here as we could race - =A0 =A0 =A0 =A0* with it being freed after writing the unmount record to = the
- =A0 =A0 =A0 =A0* log.
+ =A0 =A0 =A0 =A0* drop the buffer lock now that we are done. Nothing refer= ences
+ =A0 =A0 =A0 =A0* the buffer after this, so an unmount waiting on this loc= k can now
+ =A0 =A0 =A0 =A0* tear it down safely. As such, it is unsafe to reference = the buffer
+ =A0 =A0 =A0 =A0* (bp) after the unlock as we could race with it being fre= ed.
=A0 =A0 =A0 =A0 =A0*/
+ =A0 =A0 =A0 xfs_buf_unlock(bp);
=A0}

=A0/*
@@ -1368,8 +1371,16 @@ xlog_alloc_log(
=A0 =A0 =A0 =A0 bp =3D xfs_buf_alloc(mp->m_logdev_targp, 0, BTOBB(log-&g= t;l_iclog_size), 0);
=A0 =A0 =A0 =A0 if (!bp)
=A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 goto out_free_log;
- =A0 =A0 =A0 bp->b_iodone =3D xlog_iodone;
+
+ =A0 =A0 =A0 /*
+ =A0 =A0 =A0 =A0* The iclogbuf buffer locks are held over IO but we are no= t going to do
+ =A0 =A0 =A0 =A0* IO yet. =A0Hence unlock the buffer so that the log IO pa= th can grab it
+ =A0 =A0 =A0 =A0* when appropriately.
+ =A0 =A0 =A0 =A0*/
=A0 =A0 =A0 =A0 ASSERT(xfs_buf_islocked(bp));
+ =A0 =A0 =A0 xfs_buf_unlock(bp);
+
+ =A0 =A0 =A0 bp->b_iodone =3D xlog_iodone;
=A0 =A0 =A0 =A0 log->l_xbuf =3D bp;

=A0 =A0 =A0 =A0 spin_lock_init(&log->l_icloglock);
@@ -1398,6 +1409,9 @@ xlog_alloc_log(
=A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 if (!bp)
=A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 goto out_free_iclog;

+ =A0 =A0 =A0 =A0 =A0 =A0 =A0 ASSERT(xfs_buf_islocked(bp));
+ =A0 =A0 =A0 =A0 =A0 =A0 =A0 xfs_buf_unlock(bp);
+
=A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 bp->b_iodone =3D xlog_iodone;
=A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 iclog->ic_bp =3D bp;
=A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 iclog->ic_data =3D bp->b_addr;
@@ -1422,7 +1436,6 @@ xlog_alloc_log(
=A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 iclog->ic_callback_tail =3D &(iclog-= >ic_callback);
=A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 iclog->ic_datap =3D (char *)iclog->ic= _data + log->l_iclog_hsize;

- =A0 =A0 =A0 =A0 =A0 =A0 =A0 ASSERT(xfs_buf_islocked(iclog->ic_bp)); =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 init_waitqueue_head(&iclog->ic_force= _wait);
=A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 init_waitqueue_head(&iclog->ic_write= _wait);

@@ -1631,6 +1644,12 @@ xlog_cksum(
=A0 * we transition the iclogs to IOERROR state *after* flushing all existi= ng
=A0 * iclogs to disk. This is because we don't want anymore new transac= tions to be
=A0 * started or completed afterwards.
+ *
+ * We lock the iclogbufs here so that we can serialise against IO completi= on
+ * during unmount. We might be processing a shutdown triggered during unmo= unt,
+ * and that can occur asynchronously to the unmount thread, and hence we n= eed to
+ * ensure that completes before tearing down the iclogbufs. Hence we need = to
+ * hold the buffer lock across the log IO to acheive that.
=A0 */
=A0STATIC int
=A0xlog_bdstrat(
@@ -1638,6 +1657,7 @@ xlog_bdstrat(
=A0{
=A0 =A0 =A0 =A0 struct xlog_in_core =A0 =A0 *iclog =3D bp->b_fspriv;

+ =A0 =A0 =A0 xfs_buf_lock(bp);
=A0 =A0 =A0 =A0 if (iclog->ic_state & XLOG_STATE_IOERROR) {
=A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 xfs_buf_ioerror(bp, EIO);
=A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 xfs_buf_stale(bp);
@@ -1645,7 +1665,8 @@ xlog_bdstrat(
=A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 /*
=A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0* It would seem logical to return EIO he= re, but we rely on
=A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0* the log state machine to propagate I/O= errors instead of
- =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0* doing it here.
+ =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0* doing it here. Similarly, IO completion = will unlock the
+ =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0* buffer, so we don't do it here.
=A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0*/
=A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 return 0;
=A0 =A0 =A0 =A0 }
@@ -1847,14 +1868,28 @@ xlog_dealloc_log(
=A0 =A0 =A0 =A0 xlog_cil_destroy(log);

=A0 =A0 =A0 =A0 /*
- =A0 =A0 =A0 =A0* always need to ensure that the extra buffer does not poi= nt to memory
- =A0 =A0 =A0 =A0* owned by another log buffer before we free it.
+ =A0 =A0 =A0 =A0* Cycle all the iclogbuf locks to make sure all log IO com= pletion
+ =A0 =A0 =A0 =A0* is done before we tear down these buffers.
=A0 =A0 =A0 =A0 =A0*/
+ =A0 =A0 =A0 iclog =3D log->l_iclog;
+ =A0 =A0 =A0 for (i =3D 0; i < log->l_iclog_bufs; i++) {
+ =A0 =A0 =A0 =A0 =A0 =A0 =A0 xfs_buf_lock(iclog->ic_bp);
+ =A0 =A0 =A0 =A0 =A0 =A0 =A0 xfs_buf_unlock(iclog->ic_bp);
+ =A0 =A0 =A0 =A0 =A0 =A0 =A0 iclog =3D iclog->ic_next;
+ =A0 =A0 =A0 }
+
+ =A0 =A0 =A0 /*
+ =A0 =A0 =A0 =A0* Always need to ensure that the extra buffer does not poi= nt to memory
+ =A0 =A0 =A0 =A0* owned by another log buffer before we free it. Also, cyc= le the lock
+ =A0 =A0 =A0 =A0* first to ensure we've completed IO on it.
+ =A0 =A0 =A0 =A0*/
+ =A0 =A0 =A0 xfs_buf_lock(log->l_xbuf);
+ =A0 =A0 =A0 xfs_buf_unlock(log->l_xbuf);
=A0 =A0 =A0 =A0 xfs_buf_set_empty(log->l_xbuf, BTOBB(log->l_iclog_siz= e));
=A0 =A0 =A0 =A0 xfs_buf_free(log->l_xbuf);

=A0 =A0 =A0 =A0 iclog =3D log->l_iclog;
- =A0 =A0 =A0 for (i=3D0; i<log->l_iclog_bufs; i++) {
+ =A0 =A0 =A0 for (i =3D 0; i < log->l_iclog_bufs; i++) {
=A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 xfs_buf_free(iclog->ic_bp);
=A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 next_iclog =3D iclog->ic_next;
=A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 kmem_free(iclog);
--
1.9.0


--20cf3071cab04eceb904f6c93de9-- From bfoster@redhat.com Fri Apr 11 15:43:48 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 6F75D7F3F for ; Fri, 11 Apr 2014 15:43:48 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id E4FACAC002 for ; Fri, 11 Apr 2014 13:43:44 -0700 (PDT) X-ASG-Debug-ID: 1397249023-04cbb00dc3126090001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id b5MPooVFe1nLm3wf for ; Fri, 11 Apr 2014 13:43:43 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx10.intmail.prod.int.phx2.redhat.com (int-mx10.intmail.prod.int.phx2.redhat.com [10.5.11.23]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3BKhfs1022162 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 11 Apr 2014 16:43:41 -0400 Received: from bfoster.bfoster ([10.18.41.237]) by int-mx10.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s3BKhebP003360; Fri, 11 Apr 2014 16:43:41 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id 45CD71256CC; Fri, 11 Apr 2014 16:43:39 -0400 (EDT) Date: Fri, 11 Apr 2014 16:43:39 -0400 From: Brian Foster To: =?iso-8859-1?Q?P=E1draig?= Brady Cc: xfs-oss , =?utf-8?B?T25kxZllaiBWYcWhw61r?= Subject: Re: Strange hole creation behavior Message-ID: <20140411204338.GA38024@bfoster.bfoster> X-ASG-Orig-Subj: Re: Strange hole creation behavior References: <534822D7.7090803@draigBrady.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <534822D7.7090803@draigBrady.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-Scanned-By: MIMEDefang 2.68 on 10.5.11.23 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1397249023 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Fri, Apr 11, 2014 at 06:13:59PM +0100, Pádraig Brady wrote: > So this coreutils test is failing on XFS: > http://git.sv.gnu.org/gitweb/?p=coreutils.git;a=blob;f=tests/dd/sparse.sh;h=06efc7017 > Specifically the last hole check on line 66. > > In summary what's happening is that a write(1MiB), lseek(1MiB), write(1MiB) > creates only a 64KiB hole. Is that expected? > This is expected behavior due to speculative preallocation. An FAQ with regard to this behavior is pending, but see here for reference: http://oss.sgi.com/archives/xfs/2014-04/msg00083.html In that particular write(1MB), lseek(+1MB), write(1MB) workload, each write is preallocating some extra space beyond the current EOF. The seek then moves past that space, but the space doesn't go away. The subsequent writes will extend EOF. The previously preallocated space now resides in the middle of the file and can't be trimmed away when the file is closed. > Now a 1MiB hole is supported using truncate: > dd if=/dev/urandom of=file.in bs=1M count=1 iflag=fullblock > truncate -s+1M file.in > dd if=/dev/urandom of=file.in bs=1M count=1 iflag=fullblock conv=notrunc oflag=append > $ du -k file.in > 2048 file.in > This works simply because it is broken into multiple commands. When the first dd exits, the excess space is trimmed off (the file descriptor is closed). The subsequent truncate extends the file size without any extra space getting caught between the old and new EOF. You can confirm this by using the 'allocsize=4k' mount option to the XFS mount. If you wanted something more generic for the purpose of testing the coreutils functionality, you could also set the size of file.out in advance. E.g., with preallocation in effect: # dd if=file.in of=file.out bs=1M conv=sparse # xfs_bmap -v file.out file.out: EXT: FILE-OFFSET BLOCK-RANGE AG AG-OFFSET TOTAL 0: [0..3967]: 9773944..9777911 1 (9080..13047) 3968 1: [3968..4095]: hole 128 2: [4096..6143]: 9778040..9780087 1 (13176..15223) 2048 ... and then prevent preallocation by ensuring writes do not extend the file: # rm -f file.out # truncate --size=3M file.out # dd if=file.in of=file.out bs=1M conv=sparse,notrunc # xfs_bmap -v file.out file.out: EXT: FILE-OFFSET BLOCK-RANGE AG AG-OFFSET TOTAL 0: [0..2047]: 9773944..9775991 1 (9080..11127) 2048 1: [2048..4095]: hole 2048 2: [4096..6143]: 9778040..9780087 1 (13176..15223) 2048 Hope that helps. Brian > But when trying to create the 1MiB hole with dd (lseek) it fails? > > # Create 3MiB input file file > $ dd if=/dev/urandom of=file.in bs=1M count=3 iflag=fullblock > $ dd if=/dev/zero of=file.in bs=1M count=1 seek=1 conv=notrunc > $ du -k file.in > 3072 file.in > > # Convert to 1MiB hole doesn't work :( > $ dd if=file.in of=file.out bs=1M conv=sparse > $ du -k file.out > 3008 file.out > > # Again with syscall details: > $ strace -e write,lseek dd if=file.in of=file.out bs=1M conv=sparse > write(1, "...", 1048576) = 1048576 > lseek(1, 1048576, SEEK_CUR) = 2097152 > write(1, "...", 1048576) = 1048576 > > So it seems that the lseeks are treated differently to the truncate > that was done in the first example, which is surprising. > If we look at the file layout we can see the hole is > only at the last 64KiB of the middle 1MiB of zeros, > rather than for the whole middle 1MiB as in the first example?? > > $ filefrag -v file.out > Filesystem type is: 58465342 > File size of file.out is 3145728 (768 blocks of 4096 bytes) > ext: logical_offset: physical_offset: length: expected: flags: > 0: 0.. 495: 31271.. 31766: 496: > 1: 512.. 767: 31783.. 32038: 256: 31767: eof > > thanks, > Pádraig. > > Versions etc. in case useful > > $ uname -a > Linux tp2 3.12.6-300.fc20.x86_64 #1 SMP Mon Dec 23 16:44:31 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux > > $ xfs_info . > meta-data=/dev/loop2 isize=256 agcount=4, agsize=65536 blks > = sectsz=512 attr=2 > data = bsize=4096 blocks=262144, imaxpct=25 > = sunit=0 swidth=0 blks > naming =version 2 bsize=4096 ascii-ci=0 > log =internal bsize=4096 blocks=2560, version=2 > = sectsz=512 sunit=0 blks, lazy-count=1 > realtime =none extsz=4096 blocks=0, rtextents=0 > > _______________________________________________ > xfs mailing list > xfs@oss.sgi.com > http://oss.sgi.com/mailman/listinfo/xfs From stan@hardwarefreak.com Fri Apr 11 16:35:55 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 1E0F67F3F for ; Fri, 11 Apr 2014 16:35:55 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id B540EAC003 for ; Fri, 11 Apr 2014 14:35:51 -0700 (PDT) X-ASG-Debug-ID: 1397252150-04bdf07dca120d50001-NocioJ Received: from greer.hardwarefreak.com (mo-65-41-216-221.sta.embarqhsd.net [65.41.216.221]) by cuda.sgi.com with ESMTP id 5GoaOITkPW7XMp9Q for ; Fri, 11 Apr 2014 14:35:50 -0700 (PDT) X-Barracuda-Envelope-From: stan@hardwarefreak.com X-Barracuda-Apparent-Source-IP: 65.41.216.221 X-Barracuda-User-Whitelist: xfs@oss.sgi.com Received: from [192.168.100.53] (gffx.hardwarefreak.com [192.168.100.53]) by greer.hardwarefreak.com (Postfix) with ESMTP id 1412B6C170; Fri, 11 Apr 2014 16:35:50 -0500 (CDT) Message-ID: <53486031.5050503@hardwarefreak.com> Date: Fri, 11 Apr 2014 16:35:45 -0500 From: Stan Hoeppner Reply-To: stan@hardwarefreak.com User-Agent: Mozilla/5.0 (Windows NT 5.1; rv:24.0) Gecko/20100101 Thunderbird/24.4.0 MIME-Version: 1.0 To: daiguochao , xfs@oss.sgi.com Subject: Re: 10GB memorys occupied by XFS References: <1396596386220-35015.post@n7.nabble.com> <1397184044761-35016.post@n7.nabble.com> X-ASG-Orig-Subj: Re: 10GB memorys occupied by XFS In-Reply-To: <1397184044761-35016.post@n7.nabble.com> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Barracuda-Connect: mo-65-41-216-221.sta.embarqhsd.net[65.41.216.221] X-Barracuda-Start-Time: 1397252150 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On 4/10/2014 9:40 PM, daiguochao wrote: > Dear Stan, I can't send email to you.So I leave a message here.I hope not to > bother you. > Thank you for your kind assistance. I received all of the ones you sent to the list and that should always be the case. One that you sent directly to me was rejected but I think I've fixed that now. And I think my delayed reply made things seem worse than they are. Anyway, Dave replied while I was typing my last response. He'll be much more able to assist you. Your problem seems beyond the edge of my knowledge. Cheers, Stan > In accordance with your suggestion, we executed "echo 3 > > /proc/sysm/drop_caches" for trying to release vfs dentries and inodes. > Really, > our lost memory came back. But we learned that the memory of vfs dentries > and inodes is distributed from slab. Please check our system "Slab: 509708 > kB" from /proc/meminfo, and it seems only be took up 500MB and xfs_buf take > up 450MB among. And /proc/meminfo indicated that our system memory is > anomalous, there is about 10GB out of the statistics. We want to know how > the system could observe the usage amount of vfs dentries and iodes through > the system interface. If the memory usage of system is not reflected in > /proc/meminfo as we can not find the statistics, and we thought it as a bug > of xfs. > > My vm.vfs_cache_pressure of linux system is 100. We think that the system > will proactively take the memory back when the memory is not enough, rather > than oom-killer kills our work process. Our datas of /proc/meminfo occurred > during the system problem as below: > 130> cat /proc/meminfo > MemTotal: 12173268 kB > MemFree: 223044 kB > Buffers: 244 kB > Cached: 4540 kB > SwapCached: 0 kB > Active: 1700 kB > Inactive: 5312 kB > Active(anon): 1616 kB > Inactive(anon): 1128 kB > Active(file): 84 kB > Inactive(file): 4184 kB > Unevictable: 0 kB > Mlocked: 0 kB > SwapTotal: 0 kB > SwapFree: 0 kB > Dirty: 0 kB > Writeback: 0 kB > AnonPages: 2556 kB > Mapped: 1088 kB > Shmem: 196 kB > Slab: 509708 kB > SReclaimable: 7596 kB > SUnreclaim: 502112 kB > KernelStack: 1096 kB > PageTables: 748 kB > NFS_Unstable: 0 kB > Bounce: 0 kB > WritebackTmp: 0 kB > CommitLimit: 6086632 kB > Committed_AS: 9440 kB > VmallocTotal: 34359738367 kB > VmallocUsed: 303488 kB > VmallocChunk: 34359426132 kB > HardwareCorrupted: 0 kB > AnonHugePages: 0 kB > HugePages_Total: 0 > HugePages_Free: 0 > HugePages_Rsvd: 0 > HugePages_Surp: 0 > Hugepagesize: 2048 kB > DirectMap4k: 6152 kB > DirectMap2M: 2070528 kB > DirectMap1G: 10485760 kB > > Best Regards, > > Guochao > > > > -- > View this message in context: http://xfs.9218.n7.nabble.com/10GB-memorys-occupied-by-XFS-tp35015p35016.html > Sent from the Xfs - General mailing list archive at Nabble.com. > > _______________________________________________ > xfs mailing list > xfs@oss.sgi.com > http://oss.sgi.com/mailman/listinfo/xfs > From enwlinux@gmail.com Fri Apr 11 16:43:16 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=FREEMAIL_FROM,T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 99DE47F3F for ; Fri, 11 Apr 2014 16:43:16 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 85E74304051 for ; Fri, 11 Apr 2014 14:43:13 -0700 (PDT) X-ASG-Debug-ID: 1397252591-04cb6c77b611d8a0001-NocioJ Received: from mail-qc0-f174.google.com (mail-qc0-f174.google.com [209.85.216.174]) by cuda.sgi.com with ESMTP id EV1gHRnB6hpaVXBz (version=TLSv1 cipher=RC4-SHA bits=128 verify=NO) for ; Fri, 11 Apr 2014 14:43:12 -0700 (PDT) X-Barracuda-Envelope-From: enwlinux@gmail.com X-Barracuda-Apparent-Source-IP: 209.85.216.174 X-Barracuda-IPDD: Level1 [gmail.com/209.85.216.174] Received: by mail-qc0-f174.google.com with SMTP id c9so6502953qcz.19 for ; Fri, 11 Apr 2014 14:43:11 -0700 (PDT) X-Barracuda-IPDD: Level1 [gmail.com/209.85.216.174] X-Barracuda-IPDD: Level1 [gmail.com/209.85.216.174] DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=date:from:to:cc:subject:message-id:mime-version:content-type :content-disposition:user-agent; bh=9IU8L1iUU6+abJjtmwKJzVoBnqZ500yUoBXBjIVm6qE=; b=uLiYvbYW7GyH4GdbsKAgO+B3aP12gpLktgd8KZVltPJc4E+hHpthjH/RZ6weJoZgO3 zYgJ7P+RqP/Um4fCC0uMxQ3Ix6EscnqJHUX9XLBsS3vPyCLyiSwxuLWziZSELkOkCpvg Kk9OzyfOHDRHesULSeoRlx26WGTTGaBoVb8aWwib54GauHET58lwkA39+5SRTqvnDdI7 HHPlkH0gLFvwpFMd+vNnzikGLvQO4c58HoL7HsmE0fuNnnb3jOo6hCXrdRPURdNuNx/J BG5PSVk1akFgCd2t0ySeCiPdzvZky0z+9eCy7dgJoeAHjLm5ISMzzcuLTOS/e1RYw9ax mUZg== X-Received: by 10.140.29.131 with SMTP id b3mr31512437qgb.5.1397252591267; Fri, 11 Apr 2014 14:43:11 -0700 (PDT) Received: from wallace (c-75-67-250-69.hsd1.nh.comcast.net. [75.67.250.69]) by mx.google.com with ESMTPSA id j1sm10383742qan.32.2014.04.11.14.43.10 for (version=TLSv1.2 cipher=RC4-SHA bits=128/128); Fri, 11 Apr 2014 14:43:10 -0700 (PDT) Date: Fri, 11 Apr 2014 17:43:07 -0400 From: Eric Whitney To: xfs@oss.sgi.com Cc: linux-ext4@vger.kernel.org Subject: [PATCH] generic: add fallocate() checks to generic/300 Message-ID: <20140411214307.GC10174@wallace> X-ASG-Orig-Subj: [PATCH] generic: add fallocate() checks to generic/300 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: mail-qc0-f174.google.com[209.85.216.174] X-Barracuda-Start-Time: 1397252591 X-Barracuda-Encrypted: RC4-SHA X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.60 X-Barracuda-Spam-Status: No, SCORE=0.60 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=DKIM_SIGNED, DKIM_VERIFIED, MARKETING_SUBJECT X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4801 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.60 MARKETING_SUBJECT Subject contains popular marketing words -0.00 DKIM_VERIFIED Domain Keys Identified Mail: signature passes verification 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature Generic/300 fails when run on a test filesystem that does not support fallocate(). It uses fio's falloc ioengine to generate part of its I/O load and both allocates blocks and punches holes. This causes EOPNOTSUPP failures when the test is run on indirect block-mapped ext4 filesystems or pre-3.14 ext4 filesystems created with bigalloc. Verify that the test filesystem supports fallocate() before proceeding with the test, checking for both block allocation and hole punching capabilities. Also, delete any pre-existing test output. Signed-off-by: Eric Whitney --- tests/generic/300 | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/tests/generic/300 b/tests/generic/300 index 7c60728..4e07f8a 100755 --- a/tests/generic/300 +++ b/tests/generic/300 @@ -44,6 +44,13 @@ _supported_os Linux _need_to_be_root _require_scratch +# xfs_io is not required for this test, but it's the best way to verify +# the test system supports fallocate() for allocation and hole punching +_require_xfs_io_falloc +_require_xfs_io_falloc_punch + +rm -f $seqres.full + NUM_JOBS=$((4*LOAD_FACTOR)) BLK_DEV_SIZE=`blockdev --getsz $SCRATCH_DEV` if [ $((BLK_DEV_SIZE)) -gt 1048576 ] -- 1.8.3.2 From enwlinux@gmail.com Fri Apr 11 16:46:30 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=FREEMAIL_FROM,T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id E8C267F3F for ; Fri, 11 Apr 2014 16:46:29 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id 956F8AC003 for ; Fri, 11 Apr 2014 14:46:29 -0700 (PDT) X-ASG-Debug-ID: 1397252787-04bdf07dca1219c0001-NocioJ Received: from mail-qc0-f171.google.com (mail-qc0-f171.google.com [209.85.216.171]) by cuda.sgi.com with ESMTP id 6rsNhBB5XnfLktcw (version=TLSv1 cipher=RC4-SHA bits=128 verify=NO) for ; Fri, 11 Apr 2014 14:46:28 -0700 (PDT) X-Barracuda-Envelope-From: enwlinux@gmail.com X-Barracuda-Apparent-Source-IP: 209.85.216.171 X-Barracuda-IPDD: Level1 [gmail.com/209.85.216.171] Received: by mail-qc0-f171.google.com with SMTP id c9so6689886qcz.30 for ; Fri, 11 Apr 2014 14:46:27 -0700 (PDT) X-Barracuda-IPDD: Level1 [gmail.com/209.85.216.171] X-Barracuda-IPDD: Level1 [gmail.com/209.85.216.171] DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=date:from:to:cc:subject:message-id:mime-version:content-type :content-disposition:user-agent; bh=hnTYMSsFYzfQS5YbnxMWKeiXGYeTh52PjC1LXRc+X3A=; b=PEzLd9aIYDogdGvjaFPwed0IV6dE9MLjJ3+L91DvIGQnGCLljRG34W+56RxCbl1sWT 8b7rlb/MPLkkqQi9zzYdV51BSHNzpYSM9vAAI/I4OVbd74wR5tR4QLia4KtL5yNQSOja yP2aOhEKicF8E77kS/n/F7dw8kAogf3qOUj0RTJTPgNAQW+5T+PmgxOCYAvi6DvZKGwD sicq//Bo2f1cytnEKoygbSneF2bdtdlFEYhecIHjIWZXQGT7sr4HiLVNVsOi48DI2eCf 5RbmZpIlsFFI/aSk3HCV25smJhn3LYxWR9GJdutld6hW92p/iw+4M0XNK8cFJM7bKBJ0 vq0g== X-Received: by 10.140.88.85 with SMTP id s79mr30871285qgd.70.1397252787500; Fri, 11 Apr 2014 14:46:27 -0700 (PDT) Received: from wallace (c-75-67-250-69.hsd1.nh.comcast.net. [75.67.250.69]) by mx.google.com with ESMTPSA id b46sm10432372qge.7.2014.04.11.14.46.26 for (version=TLSv1.2 cipher=RC4-SHA bits=128/128); Fri, 11 Apr 2014 14:46:27 -0700 (PDT) Date: Fri, 11 Apr 2014 17:46:23 -0400 From: Eric Whitney To: xfs@oss.sgi.com Cc: linux-ext4@vger.kernel.org Subject: [PATCH] generic: add fallocate() check to generic/311 Message-ID: <20140411214623.GD10174@wallace> X-ASG-Orig-Subj: [PATCH] generic: add fallocate() check to generic/311 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: mail-qc0-f171.google.com[209.85.216.171] X-Barracuda-Start-Time: 1397252788 X-Barracuda-Encrypted: RC4-SHA X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.60 X-Barracuda-Spam-Status: No, SCORE=0.60 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=DKIM_SIGNED, DKIM_VERIFIED, MARKETING_SUBJECT X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4801 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.60 MARKETING_SUBJECT Subject contains popular marketing words -0.00 DKIM_VERIFIED Domain Keys Identified Mail: signature passes verification 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature Generic/311 fails when run on a test filesystem that does not support fallocate(). Its I/O load is produced by fsync-tester, which uses fallocate() system calls to allocate blocks for some of its test cases. This causes EOPNOTSUPP failures when the test is run on indirect block-mapped ext4 filesystems. Verify that the test filesystem supports fallocate() before proceeding with the test, checking for block allocation capabilities. Also, fix a minor error message typo. Signed-off-by: Eric Whitney --- tests/generic/311 | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) mode change 100644 => 100755 tests/generic/311 diff --git a/tests/generic/311 b/tests/generic/311 old mode 100644 new mode 100755 index 6802a96..284b59d --- a/tests/generic/311 +++ b/tests/generic/311 @@ -57,7 +57,11 @@ _need_to_be_root _require_scratch _require_dm_flakey -[ -x $here/src/fsync-tester ] || _notrun "fsync-tester not build" +# xfs_io is not required for this test, but it's the best way to verify +# the test system supports fallocate() for allocation +_require_xfs_io_falloc + +[ -x $here/src/fsync-tester ] || _notrun "fsync-tester not built" rm -f $seqres.full SEED=1 -- 1.8.3.2 From sandeen@sandeen.net Fri Apr 11 17:25:52 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 2E7007F3F for ; Fri, 11 Apr 2014 17:25:52 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 0AAC3304089 for ; Fri, 11 Apr 2014 15:25:48 -0700 (PDT) X-ASG-Debug-ID: 1397255147-04cb6c77b411fea0001-NocioJ Received: from sandeen.net (sandeen.net [63.231.237.45]) by cuda.sgi.com with ESMTP id Yp07a94GHjGOpiOy for ; Fri, 11 Apr 2014 15:25:47 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@sandeen.net X-Barracuda-Apparent-Source-IP: 63.231.237.45 Received: from liberator.sandeen.net (liberator.sandeen.net [10.0.0.4]) (using TLSv1 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (No client certificate requested) by sandeen.net (Postfix) with ESMTPSA id 104EE63C5FC1; Fri, 11 Apr 2014 17:25:47 -0500 (CDT) Message-ID: <53486BEB.4050103@sandeen.net> Date: Fri, 11 Apr 2014 17:25:47 -0500 From: Eric Sandeen User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:24.0) Gecko/20100101 Thunderbird/24.4.0 MIME-Version: 1.0 To: Eric Sandeen , xfs@oss.sgi.com Subject: [PATCH 03/14 V2] xfsprogs: trivial buffer frees on error paths References: <1396999504-13769-1-git-send-email-sandeen@redhat.com> <1396999504-13769-4-git-send-email-sandeen@redhat.com> X-ASG-Orig-Subj: [PATCH 03/14 V2] xfsprogs: trivial buffer frees on error paths In-Reply-To: <1396999504-13769-4-git-send-email-sandeen@redhat.com> X-Enigmail-Version: 1.6 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Barracuda-Connect: sandeen.net[63.231.237.45] X-Barracuda-Start-Time: 1397255147 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4802 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- Lots of memory leaks on error paths etc, spotted by coverity. This patch rolls up the super-straightforward fixes across xfsprogs. Signed-off-by: Eric Sandeen --- V2: Fix whitespace error db/addr.c | 15 +++++++-------- db/check.c | 4 +++- db/write.c | 2 ++ io/parent.c | 2 ++ mkfs/proto.c | 3 ++- 5 files changed, 16 insertions(+), 10 deletions(-) diff --git a/db/addr.c b/db/addr.c index f74dd62..f9f760d 100644 --- a/db/addr.c +++ b/db/addr.c @@ -85,16 +85,14 @@ addr_f( fl = flist_scan(argv[1]); if (fl == NULL) return 0; - if (!flist_parse(fld, fl, iocur_top->data, 0)) { - flist_free(fl); - return 0; - } + if (!flist_parse(fld, fl, iocur_top->data, 0)) + goto out; + flist_print(fl); for (tfl = fl; tfl->child != NULL; tfl = tfl->child) { if ((tfl->flags & FL_OKLOW) && tfl->low < tfl->high) { dbprintf(_("array not allowed for addr command\n")); - flist_free(fl); - return 0; + goto out; } } fld = tfl->fld; @@ -103,7 +101,7 @@ addr_f( next = inode_next_type(); if (next == TYP_NONE) { dbprintf(_("no next type for field %s\n"), fld->name); - return 0; + goto out; } fa = &ftattrtab[fld->ftyp]; ASSERT(fa->ftyp == fld->ftyp); @@ -111,9 +109,10 @@ addr_f( if (adf == NULL) { dbprintf(_("no addr function for field %s (type %s)\n"), fld->name, fa->name); - return 0; + goto out; } (*adf)(iocur_top->data, tfl->offset, next); +out: flist_free(fl); return 0; } diff --git a/db/check.c b/db/check.c index 4867698..baf7f9f 100644 --- a/db/check.c +++ b/db/check.c @@ -1136,7 +1136,7 @@ blocktrash_f( } if (blocks == 0) { dbprintf(_("blocktrash: no matching blocks\n")); - return 0; + goto out; } if (!sopt) dbprintf(_("blocktrash: seed %u\n"), seed); @@ -1161,6 +1161,7 @@ blocktrash_f( } } } +out: xfree(lentab); return 0; } @@ -1907,6 +1908,7 @@ ncheck_f( break; default: dbprintf(_("bad option -%c for ncheck command\n"), c); + xfree(ilist); return 0; } } diff --git a/db/write.c b/db/write.c index 7b34fc0..ca8bd0f 100644 --- a/db/write.c +++ b/db/write.c @@ -233,6 +233,7 @@ bwrite_lrot( memcpy(hold_region, base, shift); memcpy(base, base+shift, len-shift); memcpy(base+(len-shift), hold_region, shift); + free(hold_region); } /* ARGSUSED */ @@ -265,6 +266,7 @@ bwrite_rrot( memcpy(hold_region, base+(len-shift), shift); memmove(base+shift, base, len-shift); memcpy(base, hold_region, shift); + free(hold_region); } /* ARGSUSED */ diff --git a/io/parent.c b/io/parent.c index 47faaa0..ca989e9 100644 --- a/io/parent.c +++ b/io/parent.c @@ -258,6 +258,8 @@ parent_check(void) if (!bstatbuf || !parentbuf) { fprintf(stderr, _("unable to allocate buffers: %s\n"), strerror(errno)); + free(bstatbuf); + free(parentbuf); return 1; } diff --git a/mkfs/proto.c b/mkfs/proto.c index b7e0761..95583c9 100644 --- a/mkfs/proto.c +++ b/mkfs/proto.c @@ -49,7 +49,7 @@ char * setup_proto( char *fname) { - char *buf; + char *buf = NULL; static char dflt[] = "d--755 0 0 $"; int fd; long size; @@ -85,6 +85,7 @@ setup_proto( out_fail: close(fd); + free(buf); exit(1); } -- 1.7.1 _______________________________________________ xfs mailing list xfs@oss.sgi.com http://oss.sgi.com/mailman/listinfo/xfs From sandeen@sandeen.net Fri Apr 11 17:49:34 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 5D4517F3F for ; Fri, 11 Apr 2014 17:49:34 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id 080B2AC003 for ; Fri, 11 Apr 2014 15:49:30 -0700 (PDT) X-ASG-Debug-ID: 1397256569-04bdf07dcc125550001-NocioJ Received: from sandeen.net (sandeen.net [63.231.237.45]) by cuda.sgi.com with ESMTP id 5lYUrFsxTmNkq7kR for ; Fri, 11 Apr 2014 15:49:29 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@sandeen.net X-Barracuda-Apparent-Source-IP: 63.231.237.45 Received: from liberator.sandeen.net (liberator.sandeen.net [10.0.0.4]) (using TLSv1 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (No client certificate requested) by sandeen.net (Postfix) with ESMTPSA id 2038C63C5FC1; Fri, 11 Apr 2014 17:49:29 -0500 (CDT) Message-ID: <53487179.7040008@sandeen.net> Date: Fri, 11 Apr 2014 17:49:29 -0500 From: Eric Sandeen User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:24.0) Gecko/20100101 Thunderbird/24.4.0 MIME-Version: 1.0 To: Eric Sandeen , xfs@oss.sgi.com Subject: [PATCH 08/14 V2] xfsprogs: free resources in libxfs_alloc_file_space error paths References: <1396999504-13769-1-git-send-email-sandeen@redhat.com> <1396999504-13769-9-git-send-email-sandeen@redhat.com> X-ASG-Orig-Subj: [PATCH 08/14 V2] xfsprogs: free resources in libxfs_alloc_file_space error paths In-Reply-To: <1396999504-13769-9-git-send-email-sandeen@redhat.com> X-Enigmail-Version: 1.6 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Barracuda-Connect: sandeen.net[63.231.237.45] X-Barracuda-Start-Time: 1397256569 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 2.60 X-Barracuda-Spam-Status: No, SCORE=2.60 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MV0249, MARKETING_SUBJECT X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4803 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.60 MARKETING_SUBJECT Subject contains popular marketing words 2.00 BSF_SC0_MV0249 Custom rule MV0249 The bmap freelist & transaction pointer weren't being freed in libxfs_alloc_file_space error paths; more or less copy the error handling that exists in kernelspace to resolve this. Signed-off-by: Eric Sandeen --- V2: Fix comment, remove XXX :) Although: That ASSERT, while matching kernelspace, seems weird. We *can* get other errors out of xfs_trans_reserve. EIO etc... What's the assert all about? libxfs/util.c | 20 +++++++++++++++++--- 1 files changed, 17 insertions(+), 3 deletions(-) diff --git a/libxfs/util.c b/libxfs/util.c index 1b05540..f1aa4c6 100644 --- a/libxfs/util.c +++ b/libxfs/util.c @@ -582,8 +582,17 @@ libxfs_alloc_file_space( resblks = (uint)XFS_DIOSTRAT_SPACE_RES(mp, datablocks); error = xfs_trans_reserve(tp, &M_RES(mp)->tr_write, resblks, 0); - if (error) + /* + * Check for running out of space + */ + if (error) { + /* + * Free the transaction structure. + */ + ASSERT(error == ENOSPC); + xfs_trans_cancel(tp, 0); break; + } xfs_trans_ijoin(tp, ip, 0); xfs_trans_ihold(tp, ip); @@ -593,12 +602,12 @@ libxfs_alloc_file_space( &reccount, &free_list); if (error) - break; + goto error0; /* complete the transaction */ error = xfs_bmap_finish(&tp, &free_list, &committed); if (error) - break; + goto error0; error = xfs_trans_commit(tp, 0); if (error) @@ -612,6 +621,11 @@ libxfs_alloc_file_space( allocatesize_fsb -= allocated_fsb; } return error; + +error0: /* Cancel bmap, cancel trans */ + xfs_bmap_cancel(&free_list); + xfs_trans_cancel(tp, 0); + return error; } unsigned int From P@draigbrady.com Fri Apr 11 17:58:23 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 2D4A67F50 for ; Fri, 11 Apr 2014 17:58:23 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id 0660830407F for ; Fri, 11 Apr 2014 15:58:23 -0700 (PDT) X-ASG-Debug-ID: 1397257099-04cbb00dc512e610001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id D4I61WOfVllCa1mk for ; Fri, 11 Apr 2014 15:58:19 -0700 (PDT) X-Barracuda-Envelope-From: P@draigBrady.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx13.intmail.prod.int.phx2.redhat.com (int-mx13.intmail.prod.int.phx2.redhat.com [10.5.11.26]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3BMwFom004419 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 11 Apr 2014 18:58:15 -0400 Received: from [10.36.116.28] (ovpn-116-28.ams2.redhat.com [10.36.116.28]) by int-mx13.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s3BMwCm3015958 (version=TLSv1/SSLv3 cipher=DHE-RSA-CAMELLIA256-SHA bits=256 verify=NO); Fri, 11 Apr 2014 18:58:14 -0400 Message-ID: <53487383.6040001@draigBrady.com> Date: Fri, 11 Apr 2014 23:58:11 +0100 From: =?UTF-8?B?UMOhZHJhaWcgQnJhZHk=?= User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130110 Thunderbird/17.0.2 MIME-Version: 1.0 To: Brian Foster CC: xfs-oss , =?UTF-8?B?T25kxZllaiBWYcWhw61r?= , Coreutils Subject: Re: Strange hole creation behavior References: <534822D7.7090803@draigBrady.com> <20140411204338.GA38024@bfoster.bfoster> X-ASG-Orig-Subj: Re: Strange hole creation behavior In-Reply-To: <20140411204338.GA38024@bfoster.bfoster> X-Enigmail-Version: 1.6 Content-Type: multipart/mixed; boundary="------------050606000501010005080301" X-Scanned-By: MIMEDefang 2.68 on 10.5.11.26 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1397257099 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 This is a multi-part message in MIME format. --------------050606000501010005080301 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit On 04/11/2014 09:43 PM, Brian Foster wrote: > On Fri, Apr 11, 2014 at 06:13:59PM +0100, Pádraig Brady wrote: >> So this coreutils test is failing on XFS: >> http://git.sv.gnu.org/gitweb/?p=coreutils.git;a=blob;f=tests/dd/sparse.sh;h=06efc7017 >> Specifically the last hole check on line 66. >> >> In summary what's happening is that a write(1MiB), lseek(1MiB), write(1MiB) >> creates only a 64KiB hole. Is that expected? >> > > This is expected behavior due to speculative preallocation. An FAQ with > regard to this behavior is pending, but see here for reference: > > http://oss.sgi.com/archives/xfs/2014-04/msg00083.html > > In that particular write(1MB), lseek(+1MB), write(1MB) workload, each > write is preallocating some extra space beyond the current EOF. The seek > then moves past that space, but the space doesn't go away. The > subsequent writes will extend EOF. The previously preallocated space now > resides in the middle of the file and can't be trimmed away when the > file is closed. > >> Now a 1MiB hole is supported using truncate: >> dd if=/dev/urandom of=file.in bs=1M count=1 iflag=fullblock >> truncate -s+1M file.in >> dd if=/dev/urandom of=file.in bs=1M count=1 iflag=fullblock conv=notrunc oflag=append >> $ du -k file.in >> 2048 file.in >> > > This works simply because it is broken into multiple commands. When the > first dd exits, the excess space is trimmed off (the file descriptor is > closed). The subsequent truncate extends the file size without any > extra space getting caught between the old and new EOF. > > You can confirm this by using the 'allocsize=4k' mount option to the XFS > mount. If you wanted something more generic for the purpose of testing > the coreutils functionality, you could also set the size of file.out in > advance. E.g., with preallocation in effect: > > # dd if=file.in of=file.out bs=1M conv=sparse > # xfs_bmap -v file.out > file.out: > EXT: FILE-OFFSET BLOCK-RANGE AG AG-OFFSET TOTAL > 0: [0..3967]: 9773944..9777911 1 (9080..13047) 3968 > 1: [3968..4095]: hole 128 > 2: [4096..6143]: 9778040..9780087 1 (13176..15223) 2048 > > ... and then prevent preallocation by ensuring writes do not extend the > file: > > # rm -f file.out > # truncate --size=3M file.out > # dd if=file.in of=file.out bs=1M conv=sparse,notrunc > # xfs_bmap -v file.out > file.out: > EXT: FILE-OFFSET BLOCK-RANGE AG AG-OFFSET TOTAL > 0: [0..2047]: 9773944..9775991 1 (9080..11127) 2048 > 1: [2048..4095]: hole 2048 > 2: [4096..6143]: 9778040..9780087 1 (13176..15223) 2048 > > Hope that helps. Excellent info thanks. With that I can adjust the test so it passes (patch attached). So for reference this means that cp can no longer recreate holes <= 1MiB from source to dest (with the default XFS allocation size): $ cp --sparse=always file.in cp.out $ xfs_bmap -v !$ xfs_bmap -v cp.out cp.out: EXT: FILE-OFFSET BLOCK-RANGE AG AG-OFFSET TOTAL 0: [0..3967]: 219104..223071 0 (219104..223071) 3968 1: [3968..4095]: hole 128 2: [4096..6143]: 225720..227767 0 (225720..227767) 2048 $ xfs_bmap -v file.out file.out: EXT: FILE-OFFSET BLOCK-RANGE AG AG-OFFSET TOTAL 0: [0..2047]: 229816..231863 0 (229816..231863) 2048 1: [2048..4095]: hole 2048 2: [4096..6143]: 233912..235959 0 (233912..235959) 2048 $ cp file.out cp.out $ xfs_bmap -v cp.out cp.out: EXT: FILE-OFFSET BLOCK-RANGE AG AG-OFFSET TOTAL 0: [0..3967]: 250296..254263 0 (250296..254263) 3968 1: [3968..4095]: hole 128 2: [4096..6143]: 254392..256439 0 (254392..256439) 2048 Though if we bump up the hole size the representation is better: $ dd if=/dev/urandom of=bigfile.in bs=1M count=1 iflag=fullblock $ truncate -s+10M bigfile.in $ dd if=/dev/urandom of=bigfile.in bs=1M count=1 iflag=fullblock conv=notrunc oflag=append $ xfs_bmap -v bigfile.in bigfile.in: EXT: FILE-OFFSET BLOCK-RANGE AG AG-OFFSET TOTAL 0: [0..2047]: 231864..233911 0 (231864..233911) 2048 1: [2048..22527]: hole 20480 2: [22528..24575]: 256440..258487 0 (256440..258487) 2048 $ cp bigfile.in bigfile.out $ xfs_bmap -v bigfile.out bigfile.out: EXT: FILE-OFFSET BLOCK-RANGE AG AG-OFFSET TOTAL 0: [0..3967]: 260408..264375 0 (260408..264375) 3968 1: [3968..22527]: hole 18560 2: [22528..24575]: 264376..266423 0 (264376..266423) 2048 We could I suppose use FALLOC_FL_PUNCH_HOLE where available to cater for this case. I'll see whether this is worth adding. That can be used after the fact anyway: $ fallocate --dig-holes bigfile.out $ xfs_bmap -v bigfile.out bigfile.out: EXT: FILE-OFFSET BLOCK-RANGE AG AG-OFFSET TOTAL 0: [0..2047]: 260408..262455 0 (260408..262455) 2048 1: [2048..22527]: hole 20480 2: [22528..24575]: 264376..266423 0 (264376..266423) 2048 thanks, Pádraig. --------------050606000501010005080301 Content-Type: text/x-patch; name="dd-sparse-xfs.patch" Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename="dd-sparse-xfs.patch" >From 7c03fe2c9f498bad7e40d29f2eb4573d23e102d0 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?P=C3=A1draig=20Brady?= Date: Fri, 11 Apr 2014 23:44:13 +0100 Subject: [PATCH] tests: fix false dd conv=sparse failure on newer XFS * tests/dd/sparse.sh: When testing that a hole is created, use an existing sparse destination file, so that we're not write extending the file size, and thus avoiding speculative preallocation which can result in smaller holes than requested. Workaround suggested by Brian Foster --- THANKS.in | 1 + tests/dd/sparse.sh | 9 ++++++++- 2 files changed, 9 insertions(+), 1 deletions(-) diff --git a/THANKS.in b/THANKS.in index e7298ef..a92540a 100644 --- a/THANKS.in +++ b/THANKS.in @@ -95,6 +95,7 @@ Bjorn Helgaas helgaas@rsn.hp.com Bob McCracken kerouac@ravenet.com Branden Robinson branden@necrotic.deadbeast.net Brendan O'Dea bod@compusol.com.au +Brian Foster bfoster@redhat.com Brian Kimball bfk@footbag.org Brian M. Carlson sandals@crustytoothpaste.ath.cx Brian Silverman bsilverman@conceptxdesign.com diff --git a/tests/dd/sparse.sh b/tests/dd/sparse.sh index 06efc70..a7e90d2 100755 --- a/tests/dd/sparse.sh +++ b/tests/dd/sparse.sh @@ -61,8 +61,15 @@ if test $(kb_alloc file.in) -gt 3000; then dd if=file.in of=file.out bs=2M conv=sparse test 2500 -lt $(kb_alloc file.out) || fail=1 + # Note we recreate a sparse file first to avoid + # speculative preallocation seen in XFS, where a write() that + # extends a file can preallocate some extra space that + # a subsequent seek will not convert to a hole. + rm -f file.out + truncate --size=3M file.out + # Ensure that this 1MiB string of NULs *is* converted to a hole. - dd if=file.in of=file.out bs=1M conv=sparse + dd if=file.in of=file.out bs=1M conv=sparse,notrunc test $(kb_alloc file.out) -lt 2500 || fail=1 fi -- 1.7.7.6 --------------050606000501010005080301-- From sandeen@sandeen.net Fri Apr 11 18:05:56 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 357AB7F50 for ; Fri, 11 Apr 2014 18:05:56 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id B4EACAC003 for ; Fri, 11 Apr 2014 16:05:52 -0700 (PDT) X-ASG-Debug-ID: 1397257549-04cbb00dc512eac0001-NocioJ Received: from sandeen.net (sandeen.net [63.231.237.45]) by cuda.sgi.com with ESMTP id TPwsA0pzXBMG7GGD for ; Fri, 11 Apr 2014 16:05:49 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@sandeen.net X-Barracuda-Apparent-Source-IP: 63.231.237.45 Received: from liberator.sandeen.net (liberator.sandeen.net [10.0.0.4]) (using TLSv1 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (No client certificate requested) by sandeen.net (Postfix) with ESMTPSA id 7345063C5FC1; Fri, 11 Apr 2014 18:05:49 -0500 (CDT) Message-ID: <5348754D.9010109@sandeen.net> Date: Fri, 11 Apr 2014 18:05:49 -0500 From: Eric Sandeen User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:24.0) Gecko/20100101 Thunderbird/24.4.0 MIME-Version: 1.0 To: =?UTF-8?B?UMOhZHJhaWcgQnJhZHk=?= , Brian Foster CC: Coreutils , =?UTF-8?B?T25kxZllaiBWYcWhw61r?= , xfs-oss Subject: Re: Strange hole creation behavior References: <534822D7.7090803@draigBrady.com> <20140411204338.GA38024@bfoster.bfoster> <53487383.6040001@draigBrady.com> X-ASG-Orig-Subj: Re: Strange hole creation behavior In-Reply-To: <53487383.6040001@draigBrady.com> X-Enigmail-Version: 1.6 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Barracuda-Connect: sandeen.net[63.231.237.45] X-Barracuda-Start-Time: 1397257549 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4804 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On 4/11/14, 5:58 PM, Pádraig Brady wrote: > On 04/11/2014 09:43 PM, Brian Foster wrote: >> On Fri, Apr 11, 2014 at 06:13:59PM +0100, Pádraig Brady wrote: >>> So this coreutils test is failing on XFS: >>> http://git.sv.gnu.org/gitweb/?p=coreutils.git;a=blob;f=tests/dd/sparse.sh;h=06efc7017 >>> Specifically the last hole check on line 66. >>> >>> In summary what's happening is that a write(1MiB), lseek(1MiB), write(1MiB) >>> creates only a 64KiB hole. Is that expected? >>> >> >> This is expected behavior due to speculative preallocation. An FAQ with >> regard to this behavior is pending, but see here for reference: >> >> http://oss.sgi.com/archives/xfs/2014-04/msg00083.html >> >> In that particular write(1MB), lseek(+1MB), write(1MB) workload, each >> write is preallocating some extra space beyond the current EOF. The seek >> then moves past that space, but the space doesn't go away. The >> subsequent writes will extend EOF. The previously preallocated space now >> resides in the middle of the file and can't be trimmed away when the >> file is closed. >> >>> Now a 1MiB hole is supported using truncate: >>> dd if=/dev/urandom of=file.in bs=1M count=1 iflag=fullblock >>> truncate -s+1M file.in >>> dd if=/dev/urandom of=file.in bs=1M count=1 iflag=fullblock conv=notrunc oflag=append >>> $ du -k file.in >>> 2048 file.in >>> >> >> This works simply because it is broken into multiple commands. When the >> first dd exits, the excess space is trimmed off (the file descriptor is >> closed). The subsequent truncate extends the file size without any >> extra space getting caught between the old and new EOF. >> >> You can confirm this by using the 'allocsize=4k' mount option to the XFS >> mount. If you wanted something more generic for the purpose of testing >> the coreutils functionality, you could also set the size of file.out in >> advance. E.g., with preallocation in effect: >> >> # dd if=file.in of=file.out bs=1M conv=sparse >> # xfs_bmap -v file.out >> file.out: >> EXT: FILE-OFFSET BLOCK-RANGE AG AG-OFFSET TOTAL >> 0: [0..3967]: 9773944..9777911 1 (9080..13047) 3968 >> 1: [3968..4095]: hole 128 >> 2: [4096..6143]: 9778040..9780087 1 (13176..15223) 2048 >> >> ... and then prevent preallocation by ensuring writes do not extend the >> file: >> >> # rm -f file.out >> # truncate --size=3M file.out >> # dd if=file.in of=file.out bs=1M conv=sparse,notrunc >> # xfs_bmap -v file.out >> file.out: >> EXT: FILE-OFFSET BLOCK-RANGE AG AG-OFFSET TOTAL >> 0: [0..2047]: 9773944..9775991 1 (9080..11127) 2048 >> 1: [2048..4095]: hole 2048 >> 2: [4096..6143]: 9778040..9780087 1 (13176..15223) 2048 >> >> Hope that helps. > > Excellent info thanks. > With that I can adjust the test so it passes (patch attached). > > So for reference this means that cp can no longer recreate holes > <= 1MiB from source to dest (with the default XFS allocation size): Well, the allocation size changes based on the filesize; there's a heuristic involved. So I fear that if you hard-code it into your tests, you risk failing again in the future... > We could I suppose use FALLOC_FL_PUNCH_HOLE where available > to cater for this case. I'll see whether this is worth adding. That might make sense. But filesystems get to pick their layout; even ext4 may opportunistically fill in holes, etc - so I think you need to be pretty careful with these sorts of tests... -Eric From david@fromorbit.com Fri Apr 11 18:23:26 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 890B87F52 for ; Fri, 11 Apr 2014 18:23:26 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 750F18F8049 for ; Fri, 11 Apr 2014 16:23:23 -0700 (PDT) X-ASG-Debug-ID: 1397258600-04cbb00dc412f6f0001-NocioJ Received: from ipmail06.adl6.internode.on.net (ipmail06.adl6.internode.on.net [150.101.137.145]) by cuda.sgi.com with ESMTP id gp3KEae1g48bBWCi for ; Fri, 11 Apr 2014 16:23:21 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.145 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AqBYAO54SFN5LEcvPGdsb2JhbABZgwaDToULu1yBHBcDAQEBATg1giUBAQEEOhwjEAgDFQMJJQ8FJQMHGhOHe8tMFxaOVgeDJIEUBJhflgYr Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail06.adl6.internode.on.net with ESMTP; 12 Apr 2014 08:53:19 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WYkmz-00028E-IU; Sat, 12 Apr 2014 09:23:17 +1000 Date: Sat, 12 Apr 2014 09:23:17 +1000 From: Dave Chinner To: Miklos Szeredi Cc: xfs@oss.sgi.com, Miklos Szeredi Subject: Re: [PATCH 1/4] renameat2 syscall: add infrastructure Message-ID: <20140411232317.GA27694@dastard> X-ASG-Orig-Subj: Re: [PATCH 1/4] renameat2 syscall: add infrastructure References: <1397231517-4641-1-git-send-email-miklos@szeredi.hu> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1397231517-4641-1-git-send-email-miklos@szeredi.hu> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail06.adl6.internode.on.net[150.101.137.145] X-Barracuda-Start-Time: 1397258600 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4805 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Fri, Apr 11, 2014 at 05:51:54PM +0200, Miklos Szeredi wrote: > From: Miklos Szeredi > > The renameat2() syscall was merged into 3.15-rc (merge commit: 7df934526c0b). > > This adds the shared infrastructure for the actual test scripts. > > Signed-off-by: Miklos Szeredi Hi Miklos, all 4 patches look good now, so I'll pull them in with the next round of xfstests updates. I'll let ou know if there are any other problems I find. Thanks! Cheers, Dave. -- Dave Chinner david@fromorbit.com From BATV+6c97c66af8cf872aecb6+3884+infradead.org+hch@casper.srs.infradead.org Sat Apr 12 02:59:57 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 25DFB7F4E for ; Sat, 12 Apr 2014 02:59:57 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id 14156304062 for ; Sat, 12 Apr 2014 00:59:57 -0700 (PDT) X-ASG-Debug-ID: 1397289595-04cbb00dc4146d60001-NocioJ Received: from casper.infradead.org (casper.infradead.org [85.118.1.10]) by cuda.sgi.com with ESMTP id LCFQXepG2Sw80PRy (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Sat, 12 Apr 2014 00:59:56 -0700 (PDT) X-Barracuda-Envelope-From: BATV+6c97c66af8cf872aecb6+3884+infradead.org+hch@casper.srs.infradead.org X-Barracuda-Apparent-Source-IP: 85.118.1.10 Received: from [83.175.99.196] (helo=localhost) by casper.infradead.org with esmtpsa (Exim 4.80.1 #2 (Red Hat Linux)) id 1WYsqw-0006GG-Vp for xfs@oss.sgi.com; Sat, 12 Apr 2014 07:59:55 +0000 From: Christoph Hellwig To: xfs@oss.sgi.com Subject: [PATCH 3/9] xfs: handle duplicate entries in xfs_mru_cache_insert Date: Sat, 12 Apr 2014 10:01:57 +0200 X-ASG-Orig-Subj: [PATCH 3/9] xfs: handle duplicate entries in xfs_mru_cache_insert Message-Id: <1397289723-26243-4-git-send-email-hch@lst.de> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1397289723-26243-1-git-send-email-hch@lst.de> References: <1397289723-26243-1-git-send-email-hch@lst.de> X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org See http://www.infradead.org/rpr.html X-Barracuda-Connect: casper.infradead.org[85.118.1.10] X-Barracuda-Start-Time: 1397289595 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4816 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- The radix tree code can detect and reject duplicate keys at insert time. Make xfs_mru_cache_insert handle this case so that future changes to the filestream allocator can take advantage of this. Signed-off-by: Christoph Hellwig --- fs/xfs/xfs_mru_cache.c | 14 +++++++++++--- 1 file changed, 11 insertions(+), 3 deletions(-) diff --git a/fs/xfs/xfs_mru_cache.c b/fs/xfs/xfs_mru_cache.c index 4aff563..4aa3166 100644 --- a/fs/xfs/xfs_mru_cache.c +++ b/fs/xfs/xfs_mru_cache.c @@ -443,6 +443,7 @@ xfs_mru_cache_insert( void *value) { xfs_mru_cache_elem_t *elem; + int error; ASSERT(mru && mru->lists); if (!mru || !mru->lists) @@ -453,8 +454,8 @@ xfs_mru_cache_insert( return ENOMEM; if (radix_tree_preload(GFP_KERNEL)) { - kmem_zone_free(xfs_mru_elem_zone, elem); - return ENOMEM; + error = ENOMEM; + goto out_free_item; } INIT_LIST_HEAD(&elem->list_node); @@ -463,13 +464,20 @@ xfs_mru_cache_insert( spin_lock(&mru->lock); - radix_tree_insert(&mru->store, key, elem); + error = -radix_tree_insert(&mru->store, key, elem); radix_tree_preload_end(); + if (error) { + spin_unlock(&mru->lock); + goto out_free_item; + } _xfs_mru_cache_list_insert(mru, elem); spin_unlock(&mru->lock); return 0; +out_free_item: + kmem_zone_free(xfs_mru_elem_zone, elem); + return error; } /* -- 1.7.10.4 From BATV+6c97c66af8cf872aecb6+3884+infradead.org+hch@casper.srs.infradead.org Sat Apr 12 02:59:58 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 2801D7F51 for ; Sat, 12 Apr 2014 02:59:58 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 2B9A98F8039 for ; Sat, 12 Apr 2014 00:59:54 -0700 (PDT) X-ASG-Debug-ID: 1397289592-04cbb00dc3146d40001-NocioJ Received: from casper.infradead.org (casper.infradead.org [85.118.1.10]) by cuda.sgi.com with ESMTP id ZD8NI4TPP5aGY16l (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Sat, 12 Apr 2014 00:59:53 -0700 (PDT) X-Barracuda-Envelope-From: BATV+6c97c66af8cf872aecb6+3884+infradead.org+hch@casper.srs.infradead.org X-Barracuda-Apparent-Source-IP: 85.118.1.10 Received: from [83.175.99.196] (helo=localhost) by casper.infradead.org with esmtpsa (Exim 4.80.1 #2 (Red Hat Linux)) id 1WYsqu-0006G7-6A for xfs@oss.sgi.com; Sat, 12 Apr 2014 07:59:52 +0000 From: Christoph Hellwig To: xfs@oss.sgi.com Subject: [PATCH 1/9] xfs: don't try to use the filestream allocator for metadata allocations Date: Sat, 12 Apr 2014 10:01:55 +0200 X-ASG-Orig-Subj: [PATCH 1/9] xfs: don't try to use the filestream allocator for metadata allocations Message-Id: <1397289723-26243-2-git-send-email-hch@lst.de> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1397289723-26243-1-git-send-email-hch@lst.de> References: <1397289723-26243-1-git-send-email-hch@lst.de> X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org See http://www.infradead.org/rpr.html X-Barracuda-Connect: casper.infradead.org[85.118.1.10] X-Barracuda-Start-Time: 1397289593 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4816 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- xfs_bmap_btalloc_nullfb has two entirely different control flows when using the filestream allocator vs the regular one, but it get the conditionals wrong and ends up mixing the two for metadata allocations. Fix this by adding a missing userdata check and slight refactoring. Signed-off-by: Christoph Hellwig --- fs/xfs/xfs_bmap.c | 42 ++++++++++++++++++++---------------------- 1 file changed, 20 insertions(+), 22 deletions(-) diff --git a/fs/xfs/xfs_bmap.c b/fs/xfs/xfs_bmap.c index f0efc7e..3340f0e 100644 --- a/fs/xfs/xfs_bmap.c +++ b/fs/xfs/xfs_bmap.c @@ -3566,33 +3566,31 @@ xfs_bmap_btalloc_nullfb( } else notinit = 1; - if (xfs_inode_is_filestream(ap->ip)) { + if (xfs_inode_is_filestream(ap->ip) && ap->userdata) { if (*blen >= args->maxlen) break; - if (ap->userdata) { - /* - * If startag is an invalid AG, we've - * come here once before and - * xfs_filestream_new_ag picked the - * best currently available. - * - * Don't continue looping, since we - * could loop forever. - */ - if (startag == NULLAGNUMBER) - break; + /* + * If startag is an invalid AG, we've + * come here once before and + * xfs_filestream_new_ag picked the + * best currently available. + * + * Don't continue looping, since we + * could loop forever. + */ + if (startag == NULLAGNUMBER) + break; - error = xfs_filestream_new_ag(ap, &ag); - xfs_perag_put(pag); - if (error) - return error; + error = xfs_filestream_new_ag(ap, &ag); + xfs_perag_put(pag); + if (error) + return error; - /* loop again to set 'blen'*/ - startag = NULLAGNUMBER; - pag = xfs_perag_get(mp, ag); - continue; - } + /* loop again to set 'blen'*/ + startag = NULLAGNUMBER; + pag = xfs_perag_get(mp, ag); + continue; } if (++ag == mp->m_sb.sb_agcount) ag = 0; -- 1.7.10.4 From BATV+6c97c66af8cf872aecb6+3884+infradead.org+hch@casper.srs.infradead.org Sat Apr 12 02:59:57 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 848817F50 for ; Sat, 12 Apr 2014 02:59:57 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 1F6FBAC003 for ; Sat, 12 Apr 2014 00:59:53 -0700 (PDT) X-ASG-Debug-ID: 1397289591-04cbb00dc4146d40001-NocioJ Received: from casper.infradead.org (casper.infradead.org [85.118.1.10]) by cuda.sgi.com with ESMTP id uopAH8Lw57CNB2WX (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Sat, 12 Apr 2014 00:59:52 -0700 (PDT) X-Barracuda-Envelope-From: BATV+6c97c66af8cf872aecb6+3884+infradead.org+hch@casper.srs.infradead.org X-Barracuda-Apparent-Source-IP: 85.118.1.10 Received: from [83.175.99.196] (helo=localhost) by casper.infradead.org with esmtpsa (Exim 4.80.1 #2 (Red Hat Linux)) id 1WYsqt-0006G3-2G for xfs@oss.sgi.com; Sat, 12 Apr 2014 07:59:51 +0000 From: Christoph Hellwig To: xfs@oss.sgi.com Subject: filestream allocator rewrite Date: Sat, 12 Apr 2014 10:01:54 +0200 X-ASG-Orig-Subj: filestream allocator rewrite Message-Id: <1397289723-26243-1-git-send-email-hch@lst.de> X-Mailer: git-send-email 1.7.10.4 X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org See http://www.infradead.org/rpr.html X-Barracuda-Connect: casper.infradead.org[85.118.1.10] X-Barracuda-Start-Time: 1397289592 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4816 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- This series is a major overhaul of the filestream allocator. The main point is to use the dcache to get the parent and avoiding to maintain a fstrm_item for each inode that the filestream is applied to in favor of just tracking the parent, but there's various more or less related fallout from this as well. From BATV+6c97c66af8cf872aecb6+3884+infradead.org+hch@casper.srs.infradead.org Sat Apr 12 03:00:01 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 656607F53 for ; Sat, 12 Apr 2014 03:00:01 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 68E588F8039 for ; Sat, 12 Apr 2014 01:00:01 -0700 (PDT) X-ASG-Debug-ID: 1397289599-04cb6c77b5139be0001-NocioJ Received: from casper.infradead.org (casper.infradead.org [85.118.1.10]) by cuda.sgi.com with ESMTP id vedx7jJGKJaFTNAs (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Sat, 12 Apr 2014 00:59:59 -0700 (PDT) X-Barracuda-Envelope-From: BATV+6c97c66af8cf872aecb6+3884+infradead.org+hch@casper.srs.infradead.org X-Barracuda-Apparent-Source-IP: 85.118.1.10 Received: from [83.175.99.196] (helo=localhost) by casper.infradead.org with esmtpsa (Exim 4.80.1 #2 (Red Hat Linux)) id 1WYsr0-0006GW-SO for xfs@oss.sgi.com; Sat, 12 Apr 2014 07:59:58 +0000 From: Christoph Hellwig To: xfs@oss.sgi.com Subject: [PATCH 7/9] xfs: don't create a slab cache for filestream items Date: Sat, 12 Apr 2014 10:02:01 +0200 X-ASG-Orig-Subj: [PATCH 7/9] xfs: don't create a slab cache for filestream items Message-Id: <1397289723-26243-8-git-send-email-hch@lst.de> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1397289723-26243-1-git-send-email-hch@lst.de> References: <1397289723-26243-1-git-send-email-hch@lst.de> X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org See http://www.infradead.org/rpr.html X-Barracuda-Connect: casper.infradead.org[85.118.1.10] X-Barracuda-Start-Time: 1397289599 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4816 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- We only have very few of these around, and allocation isn't that much of a hot path. Remove the slab cache to simplify the code, and to not waste any resources for the usual case of not having any inodes that use the filestream allocator. Signed-off-by: Christoph Hellwig --- fs/xfs/xfs_filestream.c | 25 +++---------------------- fs/xfs/xfs_filestream.h | 2 -- fs/xfs/xfs_super.c | 9 +-------- 3 files changed, 4 insertions(+), 32 deletions(-) diff --git a/fs/xfs/xfs_filestream.c b/fs/xfs/xfs_filestream.c index ff6f902..7b94036 100644 --- a/fs/xfs/xfs_filestream.c +++ b/fs/xfs/xfs_filestream.c @@ -39,8 +39,6 @@ #define TRACE_FREE(mp, ip, pip, ag, cnt) #define TRACE_LOOKUP(mp, ip, pip, ag, cnt) -static kmem_zone_t *item_zone; - struct xfs_fstrm_item { struct xfs_mru_cache_elem mru; struct xfs_inode *ip; @@ -141,7 +139,7 @@ xfs_fstrm_free_func( TRACE_FREE(mp, ip, NULL, item->ag, xfs_filestream_peek_ag(mp, item->ag)); - kmem_zone_free(item_zone, item); + kmem_free(item); } /* @@ -272,7 +270,7 @@ next_ag: return 0; err = ENOMEM; - item = kmem_zone_zalloc(item_zone, KM_MAYFAIL); + item = kmem_alloc(sizeof(*item), KM_MAYFAIL); if (!item) goto out_put_ag; @@ -289,7 +287,7 @@ next_ag: return 0; out_free_item: - kmem_zone_free(item_zone, item); + kmem_free(item); out_put_ag: xfs_filestream_put_ag(mp, *agp); return err; @@ -474,20 +472,3 @@ xfs_filestream_unmount( { xfs_mru_cache_destroy(mp->m_filestream); } - - -/* needs to return a positive errno for the init path */ -int -xfs_filestream_init(void) -{ - item_zone = kmem_zone_init(sizeof(struct xfs_fstrm_item), "fstrm_item"); - if (!item_zone) - return -ENOMEM; - return 0; -} - -void -xfs_filestream_uninit(void) -{ - kmem_zone_destroy(item_zone); -} diff --git a/fs/xfs/xfs_filestream.h b/fs/xfs/xfs_filestream.h index e3a25f8..578d49e 100644 --- a/fs/xfs/xfs_filestream.h +++ b/fs/xfs/xfs_filestream.h @@ -22,8 +22,6 @@ struct xfs_mount; struct xfs_inode; struct xfs_bmalloca; -int xfs_filestream_init(void); -void xfs_filestream_uninit(void); int xfs_filestream_mount(struct xfs_mount *mp); void xfs_filestream_unmount(struct xfs_mount *mp); void xfs_filestream_deassociate(struct xfs_inode *ip); diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c index f317488..aab37af 100644 --- a/fs/xfs/xfs_super.c +++ b/fs/xfs/xfs_super.c @@ -1753,13 +1753,9 @@ init_xfs_fs(void) if (error) goto out_destroy_wq; - error = xfs_filestream_init(); - if (error) - goto out_mru_cache_uninit; - error = xfs_buf_init(); if (error) - goto out_filestream_uninit; + goto out_mru_cache_uninit; error = xfs_init_procfs(); if (error) @@ -1786,8 +1782,6 @@ init_xfs_fs(void) xfs_cleanup_procfs(); out_buf_terminate: xfs_buf_terminate(); - out_filestream_uninit: - xfs_filestream_uninit(); out_mru_cache_uninit: xfs_mru_cache_uninit(); out_destroy_wq: @@ -1806,7 +1800,6 @@ exit_xfs_fs(void) xfs_sysctl_unregister(); xfs_cleanup_procfs(); xfs_buf_terminate(); - xfs_filestream_uninit(); xfs_mru_cache_uninit(); xfs_destroy_workqueues(); xfs_destroy_zones(); -- 1.7.10.4 From BATV+6c97c66af8cf872aecb6+3884+infradead.org+hch@casper.srs.infradead.org Sat Apr 12 03:00:02 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 4B9737F5F for ; Sat, 12 Apr 2014 03:00:02 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id 0B33430407F for ; Sat, 12 Apr 2014 01:00:01 -0700 (PDT) X-ASG-Debug-ID: 1397289597-04bdf07dcc141f90001-NocioJ Received: from casper.infradead.org (casper.infradead.org [85.118.1.10]) by cuda.sgi.com with ESMTP id GRbGXdB8TzG7TdUc (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Sat, 12 Apr 2014 00:59:58 -0700 (PDT) X-Barracuda-Envelope-From: BATV+6c97c66af8cf872aecb6+3884+infradead.org+hch@casper.srs.infradead.org X-Barracuda-Apparent-Source-IP: 85.118.1.10 Received: from [83.175.99.196] (helo=localhost) by casper.infradead.org with esmtpsa (Exim 4.80.1 #2 (Red Hat Linux)) id 1WYsqz-0006GO-0e for xfs@oss.sgi.com; Sat, 12 Apr 2014 07:59:57 +0000 From: Christoph Hellwig To: xfs@oss.sgi.com Subject: [PATCH 5/9] xfs: remove XFS_IFILESTREAM Date: Sat, 12 Apr 2014 10:01:59 +0200 X-ASG-Orig-Subj: [PATCH 5/9] xfs: remove XFS_IFILESTREAM Message-Id: <1397289723-26243-6-git-send-email-hch@lst.de> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1397289723-26243-1-git-send-email-hch@lst.de> References: <1397289723-26243-1-git-send-email-hch@lst.de> X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org See http://www.infradead.org/rpr.html X-Barracuda-Connect: casper.infradead.org[85.118.1.10] X-Barracuda-Start-Time: 1397289597 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Barracuda-BRTS-Status: 1 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4816 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- We never test the flag except in xfs_inode_is_filestream, but that function already tests the on-disk flag or filesystem wide flags, and is used to decide if we want to set XFS_IFILESTREAM in the first place. Signed-off-by: Christoph Hellwig --- fs/xfs/xfs_filestream.c | 2 -- fs/xfs/xfs_filestream.h | 1 - fs/xfs/xfs_inode.c | 2 -- fs/xfs/xfs_inode.h | 4 +--- 4 files changed, 1 insertion(+), 8 deletions(-) diff --git a/fs/xfs/xfs_filestream.c b/fs/xfs/xfs_filestream.c index dde529f..c422110 100644 --- a/fs/xfs/xfs_filestream.c +++ b/fs/xfs/xfs_filestream.c @@ -430,8 +430,6 @@ xfs_fstrm_free_func( container_of(mru, fstrm_item_t, mru); xfs_inode_t *ip = item->ip; - xfs_iflags_clear(ip, XFS_IFILESTREAM); - /* Drop the reference taken on the AG when the item was added. */ xfs_filestream_put_ag(ip->i_mount, item->ag); diff --git a/fs/xfs/xfs_filestream.h b/fs/xfs/xfs_filestream.h index 6d61dbe..c4fa9a0 100644 --- a/fs/xfs/xfs_filestream.h +++ b/fs/xfs/xfs_filestream.h @@ -63,7 +63,6 @@ xfs_inode_is_filestream( struct xfs_inode *ip) { return (ip->i_mount->m_flags & XFS_MOUNT_FILESTREAMS) || - xfs_iflags_test(ip, XFS_IFILESTREAM) || (ip->i_d.di_flags & XFS_DIFLAG_FILESTREAM); } diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c index 5e7a38f..3328320 100644 --- a/fs/xfs/xfs_inode.c +++ b/fs/xfs/xfs_inode.c @@ -849,8 +849,6 @@ xfs_ialloc( error = xfs_filestream_associate(pip, ip); if (error < 0) return -error; - if (!error) - xfs_iflags_set(ip, XFS_IFILESTREAM); } *ipp = ip; diff --git a/fs/xfs/xfs_inode.h b/fs/xfs/xfs_inode.h index 396cc1f..a7c2ebf 100644 --- a/fs/xfs/xfs_inode.h +++ b/fs/xfs/xfs_inode.h @@ -209,7 +209,6 @@ xfs_get_initial_prid(struct xfs_inode *dp) #define XFS_ISTALE (1 << 1) /* inode has been staled */ #define XFS_IRECLAIMABLE (1 << 2) /* inode can be reclaimed */ #define XFS_INEW (1 << 3) /* inode has just been allocated */ -#define XFS_IFILESTREAM (1 << 4) /* inode is in a filestream dir. */ #define XFS_ITRUNCATED (1 << 5) /* truncated down so flush-on-close */ #define XFS_IDIRTY_RELEASE (1 << 6) /* dirty release already seen */ #define __XFS_IFLOCK_BIT 7 /* inode is being flushed right now */ @@ -225,8 +224,7 @@ xfs_get_initial_prid(struct xfs_inode *dp) */ #define XFS_IRECLAIM_RESET_FLAGS \ (XFS_IRECLAIMABLE | XFS_IRECLAIM | \ - XFS_IDIRTY_RELEASE | XFS_ITRUNCATED | \ - XFS_IFILESTREAM); + XFS_IDIRTY_RELEASE | XFS_ITRUNCATED) /* * Synchronize processes attempting to flush the in-core inode back to disk. -- 1.7.10.4 From BATV+6c97c66af8cf872aecb6+3884+infradead.org+hch@casper.srs.infradead.org Sat Apr 12 03:00:02 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 4805B7F5E for ; Sat, 12 Apr 2014 03:00:02 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id 030D3304062 for ; Sat, 12 Apr 2014 01:00:02 -0700 (PDT) X-ASG-Debug-ID: 1397289596-04bdf07dca141f80001-NocioJ Received: from casper.infradead.org (casper.infradead.org [85.118.1.10]) by cuda.sgi.com with ESMTP id akY1OEOXRm58Oru6 (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Sat, 12 Apr 2014 00:59:57 -0700 (PDT) X-Barracuda-Envelope-From: BATV+6c97c66af8cf872aecb6+3884+infradead.org+hch@casper.srs.infradead.org X-Barracuda-Apparent-Source-IP: 85.118.1.10 Received: from [83.175.99.196] (helo=localhost) by casper.infradead.org with esmtpsa (Exim 4.80.1 #2 (Red Hat Linux)) id 1WYsqy-0006GK-1H for xfs@oss.sgi.com; Sat, 12 Apr 2014 07:59:56 +0000 From: Christoph Hellwig To: xfs@oss.sgi.com Subject: [PATCH 4/9] xfs: embedd mru_elem into parent structure Date: Sat, 12 Apr 2014 10:01:58 +0200 X-ASG-Orig-Subj: [PATCH 4/9] xfs: embedd mru_elem into parent structure Message-Id: <1397289723-26243-5-git-send-email-hch@lst.de> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1397289723-26243-1-git-send-email-hch@lst.de> References: <1397289723-26243-1-git-send-email-hch@lst.de> X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org See http://www.infradead.org/rpr.html X-Barracuda-Connect: casper.infradead.org[85.118.1.10] X-Barracuda-Start-Time: 1397289597 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Barracuda-BRTS-Status: 1 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4816 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- There is no need to do a separate allocation for each mru element, just embedd the structure into the parent one in the user. Besides saving a memory allocation and the infrastructure required for it this also simplifies the API. While we do major surgery on xfs_mru_cache.c also de-typedef it and make struct mru_cache private to the implementation file. Signed-off-by: Christoph Hellwig --- fs/xfs/xfs_filestream.c | 67 ++++++++++---------- fs/xfs/xfs_mru_cache.c | 155 +++++++++++++++++++---------------------------- fs/xfs/xfs_mru_cache.h | 31 ++++------ 3 files changed, 107 insertions(+), 146 deletions(-) diff --git a/fs/xfs/xfs_filestream.c b/fs/xfs/xfs_filestream.c index 12b6e77..dde529f 100644 --- a/fs/xfs/xfs_filestream.c +++ b/fs/xfs/xfs_filestream.c @@ -118,6 +118,7 @@ static kmem_zone_t *item_zone; */ typedef struct fstrm_item { + struct xfs_mru_cache_elem mru; xfs_agnumber_t ag; /* AG currently in use for the file/directory. */ xfs_inode_t *ip; /* inode self-pointer. */ xfs_inode_t *pip; /* Parent directory inode pointer. */ @@ -335,10 +336,10 @@ _xfs_filestream_update_ag( { int err = 0; xfs_mount_t *mp; - xfs_mru_cache_t *cache; fstrm_item_t *item; xfs_agnumber_t old_ag; xfs_inode_t *old_pip; + struct xfs_mru_cache_elem *mru; /* * Either ip is a regular file and pip is a directory, or ip is a @@ -349,16 +350,17 @@ _xfs_filestream_update_ag( (S_ISDIR(ip->i_d.di_mode) && !pip))); mp = ip->i_mount; - cache = mp->m_filestream; - item = xfs_mru_cache_lookup(cache, ip->i_ino); - if (item) { + mru = xfs_mru_cache_lookup(mp->m_filestream, ip->i_ino); + if (mru) { + item = container_of(mru, fstrm_item_t, mru); + ASSERT(item->ip == ip); old_ag = item->ag; item->ag = ag; old_pip = item->pip; item->pip = pip; - xfs_mru_cache_done(cache); + xfs_mru_cache_done(mp->m_filestream); /* * If the AG has changed, drop the old ref and take a new one, @@ -391,7 +393,7 @@ _xfs_filestream_update_ag( item->ip = ip; item->pip = pip; - err = xfs_mru_cache_insert(cache, ip->i_ino, item); + err = xfs_mru_cache_insert(mp->m_filestream, ip->i_ino, &item->mru); if (err) { kmem_zone_free(item_zone, item); return err; @@ -422,14 +424,12 @@ _xfs_filestream_update_ag( /* xfs_fstrm_free_func(): callback for freeing cached stream items. */ STATIC void xfs_fstrm_free_func( - unsigned long ino, - void *data) + struct xfs_mru_cache_elem *mru) { - fstrm_item_t *item = (fstrm_item_t *)data; + fstrm_item_t *item = + container_of(mru, fstrm_item_t, mru); xfs_inode_t *ip = item->ip; - ASSERT(ip->i_ino == ino); - xfs_iflags_clear(ip, XFS_IFILESTREAM); /* Drop the reference taken on the AG when the item was added. */ @@ -532,7 +532,8 @@ xfs_agnumber_t xfs_filestream_lookup_ag( xfs_inode_t *ip) { - xfs_mru_cache_t *cache; + struct xfs_mount *mp = ip->i_mount; + struct xfs_mru_cache_elem *mru; fstrm_item_t *item; xfs_agnumber_t ag; int ref; @@ -542,17 +543,17 @@ xfs_filestream_lookup_ag( return NULLAGNUMBER; } - cache = ip->i_mount->m_filestream; - item = xfs_mru_cache_lookup(cache, ip->i_ino); - if (!item) { + mru = xfs_mru_cache_lookup(mp->m_filestream, ip->i_ino); + if (!mru) { TRACE_LOOKUP(ip->i_mount, ip, NULL, NULLAGNUMBER, 0); return NULLAGNUMBER; } + item = container_of(mru, fstrm_item_t, mru); ASSERT(ip == item->ip); ag = item->ag; ref = xfs_filestream_peek_ag(ip->i_mount, ag); - xfs_mru_cache_done(cache); + xfs_mru_cache_done(mp->m_filestream); TRACE_LOOKUP(ip->i_mount, ip, item->pip, ag, ref); return ag; @@ -573,8 +574,8 @@ xfs_filestream_associate( xfs_inode_t *pip, xfs_inode_t *ip) { + struct xfs_mru_cache_elem *mru; xfs_mount_t *mp; - xfs_mru_cache_t *cache; fstrm_item_t *item; xfs_agnumber_t ag, rotorstep, startag; int err = 0; @@ -585,7 +586,6 @@ xfs_filestream_associate( return -EINVAL; mp = pip->i_mount; - cache = mp->m_filestream; /* * We have a problem, Houston. @@ -606,11 +606,13 @@ xfs_filestream_associate( return 1; /* If the parent directory is already in the cache, use its AG. */ - item = xfs_mru_cache_lookup(cache, pip->i_ino); - if (item) { + mru = xfs_mru_cache_lookup(mp->m_filestream, pip->i_ino); + if (mru) { + item = container_of(mru, fstrm_item_t, mru); + ASSERT(item->ip == pip); ag = item->ag; - xfs_mru_cache_done(cache); + xfs_mru_cache_done(mp->m_filestream); TRACE_LOOKUP(mp, pip, pip, ag, xfs_filestream_peek_ag(mp, ag)); err = _xfs_filestream_update_ag(ip, pip, ag); @@ -671,17 +673,16 @@ xfs_filestream_new_ag( struct xfs_bmalloca *ap, xfs_agnumber_t *agp) { + struct xfs_mru_cache_elem *mru, *mru2; int flags, err; xfs_inode_t *ip, *pip = NULL; xfs_mount_t *mp; - xfs_mru_cache_t *cache; xfs_extlen_t minlen; fstrm_item_t *dir, *file; xfs_agnumber_t ag = NULLAGNUMBER; ip = ap->ip; mp = ip->i_mount; - cache = mp->m_filestream; minlen = ap->length; *agp = NULLAGNUMBER; @@ -689,8 +690,9 @@ xfs_filestream_new_ag( * Look for the file in the cache, removing it if it's found. Doing * this allows it to be held across the dir lookup that follows. */ - file = xfs_mru_cache_remove(cache, ip->i_ino); - if (file) { + mru = xfs_mru_cache_remove(mp->m_filestream, ip->i_ino); + if (mru) { + file = container_of(mru, fstrm_item_t, mru); ASSERT(ip == file->ip); /* Save the file's parent inode and old AG number for later. */ @@ -698,8 +700,9 @@ xfs_filestream_new_ag( ag = file->ag; /* Look for the file's directory in the cache. */ - dir = xfs_mru_cache_lookup(cache, pip->i_ino); - if (dir) { + mru2 = xfs_mru_cache_lookup(mp->m_filestream, pip->i_ino); + if (mru2) { + dir = container_of(mru2, fstrm_item_t, mru); ASSERT(pip == dir->ip); /* @@ -714,7 +717,7 @@ xfs_filestream_new_ag( *agp = file->ag = dir->ag; } - xfs_mru_cache_done(cache); + xfs_mru_cache_done(mp->m_filestream); } /* @@ -722,9 +725,9 @@ xfs_filestream_new_ag( * function needs to be called to tidy up in the same way as if * the item had simply expired from the cache. */ - err = xfs_mru_cache_insert(cache, ip->i_ino, file); + err = xfs_mru_cache_insert(mp->m_filestream, ip->i_ino, mru); if (err) { - xfs_fstrm_free_func(ip->i_ino, file); + xfs_fstrm_free_func(mru); return err; } @@ -818,7 +821,5 @@ void xfs_filestream_deassociate( xfs_inode_t *ip) { - xfs_mru_cache_t *cache = ip->i_mount->m_filestream; - - xfs_mru_cache_delete(cache, ip->i_ino); + xfs_mru_cache_delete(ip->i_mount->m_filestream, ip->i_ino); } diff --git a/fs/xfs/xfs_mru_cache.c b/fs/xfs/xfs_mru_cache.c index 4aa3166..f99b493 100644 --- a/fs/xfs/xfs_mru_cache.c +++ b/fs/xfs/xfs_mru_cache.c @@ -100,14 +100,20 @@ * likely result in a loop in one of the lists. That's a sure-fire recipe for * an infinite loop in the code. */ -typedef struct xfs_mru_cache_elem -{ - struct list_head list_node; - unsigned long key; - void *value; -} xfs_mru_cache_elem_t; +struct xfs_mru_cache { + struct radix_tree_root store; /* Core storage data structure. */ + struct list_head *lists; /* Array of lists, one per grp. */ + struct list_head reap_list; /* Elements overdue for reaping. */ + spinlock_t lock; /* Lock to protect this struct. */ + unsigned int grp_count; /* Number of discrete groups. */ + unsigned int grp_time; /* Time period spanned by grps. */ + unsigned int lru_grp; /* Group containing time zero. */ + unsigned long time_zero; /* Time first element was added. */ + xfs_mru_cache_free_func_t free_func; /* Function pointer for freeing. */ + struct delayed_work work; /* Workqueue data for reaping. */ + unsigned int queued; /* work has been queued */ +}; -static kmem_zone_t *xfs_mru_elem_zone; static struct workqueue_struct *xfs_mru_reap_wq; /* @@ -129,12 +135,12 @@ static struct workqueue_struct *xfs_mru_reap_wq; */ STATIC unsigned long _xfs_mru_cache_migrate( - xfs_mru_cache_t *mru, - unsigned long now) + struct xfs_mru_cache *mru, + unsigned long now) { - unsigned int grp; - unsigned int migrated = 0; - struct list_head *lru_list; + unsigned int grp; + unsigned int migrated = 0; + struct list_head *lru_list; /* Nothing to do if the data store is empty. */ if (!mru->time_zero) @@ -193,11 +199,11 @@ _xfs_mru_cache_migrate( */ STATIC void _xfs_mru_cache_list_insert( - xfs_mru_cache_t *mru, - xfs_mru_cache_elem_t *elem) + struct xfs_mru_cache *mru, + struct xfs_mru_cache_elem *elem) { - unsigned int grp = 0; - unsigned long now = jiffies; + unsigned int grp = 0; + unsigned long now = jiffies; /* * If the data store is empty, initialise time zero, leave grp set to @@ -231,10 +237,10 @@ _xfs_mru_cache_list_insert( */ STATIC void _xfs_mru_cache_clear_reap_list( - xfs_mru_cache_t *mru) __releases(mru->lock) __acquires(mru->lock) - + struct xfs_mru_cache *mru) + __releases(mru->lock) __acquires(mru->lock) { - xfs_mru_cache_elem_t *elem, *next; + struct xfs_mru_cache_elem *elem, *next; struct list_head tmp; INIT_LIST_HEAD(&tmp); @@ -252,15 +258,8 @@ _xfs_mru_cache_clear_reap_list( spin_unlock(&mru->lock); list_for_each_entry_safe(elem, next, &tmp, list_node) { - - /* Remove the element from the reap list. */ list_del_init(&elem->list_node); - - /* Call the client's free function with the key and value pointer. */ - mru->free_func(elem->key, elem->value); - - /* Free the element structure. */ - kmem_zone_free(xfs_mru_elem_zone, elem); + mru->free_func(elem); } spin_lock(&mru->lock); @@ -277,7 +276,8 @@ STATIC void _xfs_mru_cache_reap( struct work_struct *work) { - xfs_mru_cache_t *mru = container_of(work, xfs_mru_cache_t, work.work); + struct xfs_mru_cache *mru = + container_of(work, struct xfs_mru_cache, work.work); unsigned long now, next; ASSERT(mru && mru->lists); @@ -304,28 +304,16 @@ _xfs_mru_cache_reap( int xfs_mru_cache_init(void) { - xfs_mru_elem_zone = kmem_zone_init(sizeof(xfs_mru_cache_elem_t), - "xfs_mru_cache_elem"); - if (!xfs_mru_elem_zone) - goto out; - xfs_mru_reap_wq = alloc_workqueue("xfs_mru_cache", WQ_MEM_RECLAIM, 1); if (!xfs_mru_reap_wq) - goto out_destroy_mru_elem_zone; - + return -ENOMEM; return 0; - - out_destroy_mru_elem_zone: - kmem_zone_destroy(xfs_mru_elem_zone); - out: - return -ENOMEM; } void xfs_mru_cache_uninit(void) { destroy_workqueue(xfs_mru_reap_wq); - kmem_zone_destroy(xfs_mru_elem_zone); } /* @@ -336,14 +324,14 @@ xfs_mru_cache_uninit(void) */ int xfs_mru_cache_create( - xfs_mru_cache_t **mrup, + struct xfs_mru_cache **mrup, unsigned int lifetime_ms, unsigned int grp_count, xfs_mru_cache_free_func_t free_func) { - xfs_mru_cache_t *mru = NULL; - int err = 0, grp; - unsigned int grp_time; + struct xfs_mru_cache *mru = NULL; + int err = 0, grp; + unsigned int grp_time; if (mrup) *mrup = NULL; @@ -400,7 +388,7 @@ exit: */ static void xfs_mru_cache_flush( - xfs_mru_cache_t *mru) + struct xfs_mru_cache *mru) { if (!mru || !mru->lists) return; @@ -420,7 +408,7 @@ xfs_mru_cache_flush( void xfs_mru_cache_destroy( - xfs_mru_cache_t *mru) + struct xfs_mru_cache *mru) { if (!mru || !mru->lists) return; @@ -438,45 +426,29 @@ xfs_mru_cache_destroy( */ int xfs_mru_cache_insert( - xfs_mru_cache_t *mru, - unsigned long key, - void *value) + struct xfs_mru_cache *mru, + unsigned long key, + struct xfs_mru_cache_elem *elem) { - xfs_mru_cache_elem_t *elem; - int error; + int error; ASSERT(mru && mru->lists); if (!mru || !mru->lists) return EINVAL; - elem = kmem_zone_zalloc(xfs_mru_elem_zone, KM_SLEEP); - if (!elem) + if (radix_tree_preload(GFP_KERNEL)) return ENOMEM; - if (radix_tree_preload(GFP_KERNEL)) { - error = ENOMEM; - goto out_free_item; - } - INIT_LIST_HEAD(&elem->list_node); elem->key = key; - elem->value = value; spin_lock(&mru->lock); - error = -radix_tree_insert(&mru->store, key, elem); radix_tree_preload_end(); - if (error) { - spin_unlock(&mru->lock); - goto out_free_item; - } - _xfs_mru_cache_list_insert(mru, elem); - + if (!error) + _xfs_mru_cache_list_insert(mru, elem); spin_unlock(&mru->lock); - return 0; -out_free_item: - kmem_zone_free(xfs_mru_elem_zone, elem); return error; } @@ -486,13 +458,12 @@ out_free_item: * the client data pointer for the removed element is returned, otherwise this * function will return a NULL pointer. */ -void * +struct xfs_mru_cache_elem * xfs_mru_cache_remove( - xfs_mru_cache_t *mru, - unsigned long key) + struct xfs_mru_cache *mru, + unsigned long key) { - xfs_mru_cache_elem_t *elem; - void *value = NULL; + struct xfs_mru_cache_elem *elem; ASSERT(mru && mru->lists); if (!mru || !mru->lists) @@ -500,17 +471,11 @@ xfs_mru_cache_remove( spin_lock(&mru->lock); elem = radix_tree_delete(&mru->store, key); - if (elem) { - value = elem->value; + if (elem) list_del(&elem->list_node); - } - spin_unlock(&mru->lock); - if (elem) - kmem_zone_free(xfs_mru_elem_zone, elem); - - return value; + return elem; } /* @@ -519,13 +484,14 @@ xfs_mru_cache_remove( */ void xfs_mru_cache_delete( - xfs_mru_cache_t *mru, - unsigned long key) + struct xfs_mru_cache *mru, + unsigned long key) { - void *value = xfs_mru_cache_remove(mru, key); + struct xfs_mru_cache_elem *elem; - if (value) - mru->free_func(key, value); + elem = xfs_mru_cache_remove(mru, key); + if (elem) + mru->free_func(elem); } /* @@ -548,12 +514,12 @@ xfs_mru_cache_delete( * status, we need to help it get it right by annotating the path that does * not release the lock. */ -void * +struct xfs_mru_cache_elem * xfs_mru_cache_lookup( - xfs_mru_cache_t *mru, - unsigned long key) + struct xfs_mru_cache *mru, + unsigned long key) { - xfs_mru_cache_elem_t *elem; + struct xfs_mru_cache_elem *elem; ASSERT(mru && mru->lists); if (!mru || !mru->lists) @@ -568,7 +534,7 @@ xfs_mru_cache_lookup( } else spin_unlock(&mru->lock); - return elem ? elem->value : NULL; + return elem; } /* @@ -578,7 +544,8 @@ xfs_mru_cache_lookup( */ void xfs_mru_cache_done( - xfs_mru_cache_t *mru) __releases(mru->lock) + struct xfs_mru_cache *mru) + __releases(mru->lock) { spin_unlock(&mru->lock); } diff --git a/fs/xfs/xfs_mru_cache.h b/fs/xfs/xfs_mru_cache.h index 36dd3ec..fb5245b 100644 --- a/fs/xfs/xfs_mru_cache.h +++ b/fs/xfs/xfs_mru_cache.h @@ -18,24 +18,15 @@ #ifndef __XFS_MRU_CACHE_H__ #define __XFS_MRU_CACHE_H__ +struct xfs_mru_cache; -/* Function pointer type for callback to free a client's data pointer. */ -typedef void (*xfs_mru_cache_free_func_t)(unsigned long, void*); +struct xfs_mru_cache_elem { + struct list_head list_node; + unsigned long key; +}; -typedef struct xfs_mru_cache -{ - struct radix_tree_root store; /* Core storage data structure. */ - struct list_head *lists; /* Array of lists, one per grp. */ - struct list_head reap_list; /* Elements overdue for reaping. */ - spinlock_t lock; /* Lock to protect this struct. */ - unsigned int grp_count; /* Number of discrete groups. */ - unsigned int grp_time; /* Time period spanned by grps. */ - unsigned int lru_grp; /* Group containing time zero. */ - unsigned long time_zero; /* Time first element was added. */ - xfs_mru_cache_free_func_t free_func; /* Function pointer for freeing. */ - struct delayed_work work; /* Workqueue data for reaping. */ - unsigned int queued; /* work has been queued */ -} xfs_mru_cache_t; +/* Function pointer type for callback to free a client's data pointer. */ +typedef void (*xfs_mru_cache_free_func_t)(struct xfs_mru_cache_elem *elem); int xfs_mru_cache_init(void); void xfs_mru_cache_uninit(void); @@ -44,10 +35,12 @@ int xfs_mru_cache_create(struct xfs_mru_cache **mrup, unsigned int lifetime_ms, xfs_mru_cache_free_func_t free_func); void xfs_mru_cache_destroy(struct xfs_mru_cache *mru); int xfs_mru_cache_insert(struct xfs_mru_cache *mru, unsigned long key, - void *value); -void * xfs_mru_cache_remove(struct xfs_mru_cache *mru, unsigned long key); + struct xfs_mru_cache_elem *elem); +struct xfs_mru_cache_elem * +xfs_mru_cache_remove(struct xfs_mru_cache *mru, unsigned long key); void xfs_mru_cache_delete(struct xfs_mru_cache *mru, unsigned long key); -void *xfs_mru_cache_lookup(struct xfs_mru_cache *mru, unsigned long key); +struct xfs_mru_cache_elem * +xfs_mru_cache_lookup(struct xfs_mru_cache *mru, unsigned long key); void xfs_mru_cache_done(struct xfs_mru_cache *mru); #endif /* __XFS_MRU_CACHE_H__ */ -- 1.7.10.4 From BATV+6c97c66af8cf872aecb6+3884+infradead.org+hch@casper.srs.infradead.org Sat Apr 12 03:00:02 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 339857F53 for ; Sat, 12 Apr 2014 03:00:02 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id DE1CDAC003 for ; Sat, 12 Apr 2014 01:00:01 -0700 (PDT) X-ASG-Debug-ID: 1397289594-04bdf07dca141f70001-NocioJ Received: from casper.infradead.org (casper.infradead.org [85.118.1.10]) by cuda.sgi.com with ESMTP id IasLMdL0h6H0xT1U (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Sat, 12 Apr 2014 00:59:55 -0700 (PDT) X-Barracuda-Envelope-From: BATV+6c97c66af8cf872aecb6+3884+infradead.org+hch@casper.srs.infradead.org X-Barracuda-Apparent-Source-IP: 85.118.1.10 Received: from [83.175.99.196] (helo=localhost) by casper.infradead.org with esmtpsa (Exim 4.80.1 #2 (Red Hat Linux)) id 1WYsqv-0006GC-Hp for xfs@oss.sgi.com; Sat, 12 Apr 2014 07:59:53 +0000 From: Christoph Hellwig To: xfs@oss.sgi.com Subject: [PATCH 2/9] xfs: split xfs_bmap_btalloc_nullfb Date: Sat, 12 Apr 2014 10:01:56 +0200 X-ASG-Orig-Subj: [PATCH 2/9] xfs: split xfs_bmap_btalloc_nullfb Message-Id: <1397289723-26243-3-git-send-email-hch@lst.de> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1397289723-26243-1-git-send-email-hch@lst.de> References: <1397289723-26243-1-git-send-email-hch@lst.de> X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org See http://www.infradead.org/rpr.html X-Barracuda-Connect: casper.infradead.org[85.118.1.10] X-Barracuda-Start-Time: 1397289594 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Barracuda-BRTS-Status: 1 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4816 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- Split xfs_bmap_btalloc_nullfb into one function for filestream allocations and one for everything else that share a few helpers. This dramatically simplifies the control flow. Signed-off-by: Christoph Hellwig --- fs/xfs/xfs_bmap.c | 200 +++++++++++++++++++++++++++++++---------------------- 1 file changed, 117 insertions(+), 83 deletions(-) diff --git a/fs/xfs/xfs_bmap.c b/fs/xfs/xfs_bmap.c index 3340f0e..d5d52df 100644 --- a/fs/xfs/xfs_bmap.c +++ b/fs/xfs/xfs_bmap.c @@ -3517,6 +3517,67 @@ xfs_bmap_adjacent( #undef ISVALID } +static int +xfs_bmap_longest_free_extent( + struct xfs_trans *tp, + xfs_agnumber_t ag, + xfs_extlen_t *blen, + int *notinit) +{ + struct xfs_mount *mp = tp->t_mountp; + struct xfs_perag *pag; + xfs_extlen_t longest; + int error = 0; + + pag = xfs_perag_get(mp, ag); + if (!pag->pagf_init) { + error = xfs_alloc_pagf_init(mp, tp, ag, XFS_ALLOC_FLAG_TRYLOCK); + if (error) + goto out; + + if (!pag->pagf_init) { + *notinit = 1; + goto out; + } + } + + longest = xfs_alloc_longest_free_extent(mp, pag); + if (*blen < longest) + *blen = longest; + +out: + xfs_perag_put(pag); + return error; +} + +static void +xfs_bmap_fix_args( + struct xfs_bmalloca *ap, + struct xfs_alloc_arg *args, + xfs_extlen_t *blen, + int notinit) +{ + if (notinit || *blen < ap->minlen) { + /* + * Since we did a BUF_TRYLOCK above, it is possible that + * there is space for this request. + */ + args->minlen = ap->minlen; + } else if (*blen < args->maxlen) { + /* + * If the best seen length is less than the request length, + * use the best as the minimum. + */ + args->minlen = *blen; + } else { + /* + * Otherwise we've seen an extent as big as maxlen, use that + * as the minimum. + */ + args->minlen = args->maxlen; + } +} + STATIC int xfs_bmap_btalloc_nullfb( struct xfs_bmalloca *ap, @@ -3524,109 +3585,74 @@ xfs_bmap_btalloc_nullfb( xfs_extlen_t *blen) { struct xfs_mount *mp = ap->ip->i_mount; - struct xfs_perag *pag; xfs_agnumber_t ag, startag; int notinit = 0; int error; - if (ap->userdata && xfs_inode_is_filestream(ap->ip)) - args->type = XFS_ALLOCTYPE_NEAR_BNO; - else - args->type = XFS_ALLOCTYPE_START_BNO; + args->type = XFS_ALLOCTYPE_START_BNO; args->total = ap->total; - /* - * Search for an allocation group with a single extent large enough - * for the request. If one isn't found, then adjust the minimum - * allocation size to the largest space found. - */ startag = ag = XFS_FSB_TO_AGNO(mp, args->fsbno); if (startag == NULLAGNUMBER) startag = ag = 0; - pag = xfs_perag_get(mp, ag); while (*blen < args->maxlen) { - if (!pag->pagf_init) { - error = xfs_alloc_pagf_init(mp, args->tp, ag, - XFS_ALLOC_FLAG_TRYLOCK); - if (error) { - xfs_perag_put(pag); - return error; - } - } - - /* - * See xfs_alloc_fix_freelist... - */ - if (pag->pagf_init) { - xfs_extlen_t longest; - longest = xfs_alloc_longest_free_extent(mp, pag); - if (*blen < longest) - *blen = longest; - } else - notinit = 1; - - if (xfs_inode_is_filestream(ap->ip) && ap->userdata) { - if (*blen >= args->maxlen) - break; - - /* - * If startag is an invalid AG, we've - * come here once before and - * xfs_filestream_new_ag picked the - * best currently available. - * - * Don't continue looping, since we - * could loop forever. - */ - if (startag == NULLAGNUMBER) - break; - - error = xfs_filestream_new_ag(ap, &ag); - xfs_perag_put(pag); - if (error) - return error; + error = xfs_bmap_longest_free_extent(args->tp, ag, blen, + ¬init); + if (error) + return error; - /* loop again to set 'blen'*/ - startag = NULLAGNUMBER; - pag = xfs_perag_get(mp, ag); - continue; - } if (++ag == mp->m_sb.sb_agcount) ag = 0; if (ag == startag) break; - xfs_perag_put(pag); - pag = xfs_perag_get(mp, ag); } - xfs_perag_put(pag); - /* - * Since the above loop did a BUF_TRYLOCK, it is - * possible that there is space for this request. - */ - if (notinit || *blen < ap->minlen) - args->minlen = ap->minlen; - /* - * If the best seen length is less than the request - * length, use the best as the minimum. - */ - else if (*blen < args->maxlen) - args->minlen = *blen; - /* - * Otherwise we've seen an extent as big as maxlen, - * use that as the minimum. - */ - else - args->minlen = args->maxlen; + xfs_bmap_fix_args(ap, args, blen, notinit); + return 0; +} + +STATIC int +xfs_bmap_btalloc_filestreams( + struct xfs_bmalloca *ap, + struct xfs_alloc_arg *args, + xfs_extlen_t *blen) +{ + struct xfs_mount *mp = ap->ip->i_mount; + xfs_agnumber_t ag; + int notinit = 0; + int error; + + args->type = XFS_ALLOCTYPE_NEAR_BNO; + args->total = ap->total; + + ag = XFS_FSB_TO_AGNO(mp, args->fsbno); + if (ag == NULLAGNUMBER) + ag = 0; + + error = xfs_bmap_longest_free_extent(args->tp, ag, blen, ¬init); + if (error) + return error; + + if (*blen < args->maxlen) { + error = xfs_filestream_new_ag(ap, &ag); + if (error) + return error; + + error = xfs_bmap_longest_free_extent(args->tp, ag, blen, + ¬init); + if (error) + return error; + + } + + xfs_bmap_fix_args(ap, args, blen, notinit); /* - * set the failure fallback case to look in the selected - * AG as the stream may have moved. + * Set the failure fallback case to look in the selected AG as stream + * may have moved. */ - if (xfs_inode_is_filestream(ap->ip)) - ap->blkno = args->fsbno = XFS_AGB_TO_FSB(mp, ag, 0); - + ap->blkno = args->fsbno = XFS_AGB_TO_FSB(mp, ag, 0); return 0; } @@ -3706,7 +3732,15 @@ xfs_bmap_btalloc( args.firstblock = *ap->firstblock; blen = 0; if (nullfb) { - error = xfs_bmap_btalloc_nullfb(ap, &args, &blen); + /* + * Search for an allocation group with a single extent large + * enough for the request. If one isn't found, then adjust + * the minimum allocation size to the largest space found. + */ + if (ap->userdata && xfs_inode_is_filestream(ap->ip)) + error = xfs_bmap_btalloc_filestreams(ap, &args, &blen); + else + error = xfs_bmap_btalloc_nullfb(ap, &args, &blen); if (error) return error; } else if (ap->flist->xbf_low) { -- 1.7.10.4 From BATV+6c97c66af8cf872aecb6+3884+infradead.org+hch@casper.srs.infradead.org Sat Apr 12 03:00:03 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 8AA0C7F60 for ; Sat, 12 Apr 2014 03:00:02 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 6A39D304062 for ; Sat, 12 Apr 2014 01:00:02 -0700 (PDT) X-ASG-Debug-ID: 1397289598-04cb6c77b4139bd0001-NocioJ Received: from casper.infradead.org (casper.infradead.org [85.118.1.10]) by cuda.sgi.com with ESMTP id Dcm2ZPT3yzXTBuLr (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Sat, 12 Apr 2014 00:59:59 -0700 (PDT) X-Barracuda-Envelope-From: BATV+6c97c66af8cf872aecb6+3884+infradead.org+hch@casper.srs.infradead.org X-Barracuda-Apparent-Source-IP: 85.118.1.10 Received: from [83.175.99.196] (helo=localhost) by casper.infradead.org with esmtpsa (Exim 4.80.1 #2 (Red Hat Linux)) id 1WYsqz-0006GS-QH for xfs@oss.sgi.com; Sat, 12 Apr 2014 07:59:58 +0000 From: Christoph Hellwig To: xfs@oss.sgi.com Subject: [PATCH 6/9] xfs: rewrite the filestream allocator using the dentry cache Date: Sat, 12 Apr 2014 10:02:00 +0200 X-ASG-Orig-Subj: [PATCH 6/9] xfs: rewrite the filestream allocator using the dentry cache Message-Id: <1397289723-26243-7-git-send-email-hch@lst.de> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1397289723-26243-1-git-send-email-hch@lst.de> References: <1397289723-26243-1-git-send-email-hch@lst.de> X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org See http://www.infradead.org/rpr.html X-Barracuda-Connect: casper.infradead.org[85.118.1.10] X-Barracuda-Start-Time: 1397289599 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4816 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- In Linux we will always be able to find a parent inode for file that are undergoing I/O. Use this to simply the file stream allocator by only keeping track of parent inodes. Signed-off-by: Christoph Hellwig --- fs/xfs/xfs_filestream.c | 660 ++++++++++++----------------------------------- fs/xfs/xfs_filestream.h | 31 +-- fs/xfs/xfs_inode.c | 24 +- 3 files changed, 171 insertions(+), 544 deletions(-) diff --git a/fs/xfs/xfs_filestream.c b/fs/xfs/xfs_filestream.c index c422110..ff6f902 100644 --- a/fs/xfs/xfs_filestream.c +++ b/fs/xfs/xfs_filestream.c @@ -1,5 +1,6 @@ /* * Copyright (c) 2006-2007 Silicon Graphics, Inc. + * Copyright (c) 2014 Christoph Hellwig. * All Rights Reserved. * * This program is free software; you can redistribute it and/or @@ -32,101 +33,28 @@ #include "xfs_filestream.h" #include "xfs_trace.h" -#ifdef XFS_FILESTREAMS_TRACE - -ktrace_t *xfs_filestreams_trace_buf; - -STATIC void -xfs_filestreams_trace( - xfs_mount_t *mp, /* mount point */ - int type, /* type of trace */ - const char *func, /* source function */ - int line, /* source line number */ - __psunsigned_t arg0, - __psunsigned_t arg1, - __psunsigned_t arg2, - __psunsigned_t arg3, - __psunsigned_t arg4, - __psunsigned_t arg5) -{ - ktrace_enter(xfs_filestreams_trace_buf, - (void *)(__psint_t)(type | (line << 16)), - (void *)func, - (void *)(__psunsigned_t)current_pid(), - (void *)mp, - (void *)(__psunsigned_t)arg0, - (void *)(__psunsigned_t)arg1, - (void *)(__psunsigned_t)arg2, - (void *)(__psunsigned_t)arg3, - (void *)(__psunsigned_t)arg4, - (void *)(__psunsigned_t)arg5, - NULL, NULL, NULL, NULL, NULL, NULL); -} - -#define TRACE0(mp,t) TRACE6(mp,t,0,0,0,0,0,0) -#define TRACE1(mp,t,a0) TRACE6(mp,t,a0,0,0,0,0,0) -#define TRACE2(mp,t,a0,a1) TRACE6(mp,t,a0,a1,0,0,0,0) -#define TRACE3(mp,t,a0,a1,a2) TRACE6(mp,t,a0,a1,a2,0,0,0) -#define TRACE4(mp,t,a0,a1,a2,a3) TRACE6(mp,t,a0,a1,a2,a3,0,0) -#define TRACE5(mp,t,a0,a1,a2,a3,a4) TRACE6(mp,t,a0,a1,a2,a3,a4,0) -#define TRACE6(mp,t,a0,a1,a2,a3,a4,a5) \ - xfs_filestreams_trace(mp, t, __func__, __LINE__, \ - (__psunsigned_t)a0, (__psunsigned_t)a1, \ - (__psunsigned_t)a2, (__psunsigned_t)a3, \ - (__psunsigned_t)a4, (__psunsigned_t)a5) - -#define TRACE_AG_SCAN(mp, ag, ag2) \ - TRACE2(mp, XFS_FSTRM_KTRACE_AGSCAN, ag, ag2); -#define TRACE_AG_PICK1(mp, max_ag, maxfree) \ - TRACE2(mp, XFS_FSTRM_KTRACE_AGPICK1, max_ag, maxfree); -#define TRACE_AG_PICK2(mp, ag, ag2, cnt, free, scan, flag) \ - TRACE6(mp, XFS_FSTRM_KTRACE_AGPICK2, ag, ag2, \ - cnt, free, scan, flag) -#define TRACE_UPDATE(mp, ip, ag, cnt, ag2, cnt2) \ - TRACE5(mp, XFS_FSTRM_KTRACE_UPDATE, ip, ag, cnt, ag2, cnt2) -#define TRACE_FREE(mp, ip, pip, ag, cnt) \ - TRACE4(mp, XFS_FSTRM_KTRACE_FREE, ip, pip, ag, cnt) -#define TRACE_LOOKUP(mp, ip, pip, ag, cnt) \ - TRACE4(mp, XFS_FSTRM_KTRACE_ITEM_LOOKUP, ip, pip, ag, cnt) -#define TRACE_ASSOCIATE(mp, ip, pip, ag, cnt) \ - TRACE4(mp, XFS_FSTRM_KTRACE_ASSOCIATE, ip, pip, ag, cnt) -#define TRACE_MOVEAG(mp, ip, pip, oag, ocnt, nag, ncnt) \ - TRACE6(mp, XFS_FSTRM_KTRACE_MOVEAG, ip, pip, oag, ocnt, nag, ncnt) -#define TRACE_ORPHAN(mp, ip, ag) \ - TRACE2(mp, XFS_FSTRM_KTRACE_ORPHAN, ip, ag); - - -#else #define TRACE_AG_SCAN(mp, ag, ag2) #define TRACE_AG_PICK1(mp, max_ag, maxfree) #define TRACE_AG_PICK2(mp, ag, ag2, cnt, free, scan, flag) -#define TRACE_UPDATE(mp, ip, ag, cnt, ag2, cnt2) #define TRACE_FREE(mp, ip, pip, ag, cnt) #define TRACE_LOOKUP(mp, ip, pip, ag, cnt) -#define TRACE_ASSOCIATE(mp, ip, pip, ag, cnt) -#define TRACE_MOVEAG(mp, ip, pip, oag, ocnt, nag, ncnt) -#define TRACE_ORPHAN(mp, ip, ag) -#endif static kmem_zone_t *item_zone; -/* - * Structure for associating a file or a directory with an allocation group. - * The parent directory pointer is only needed for files, but since there will - * generally be vastly more files than directories in the cache, using the same - * data structure simplifies the code with very little memory overhead. - */ -typedef struct fstrm_item -{ - struct xfs_mru_cache_elem mru; - xfs_agnumber_t ag; /* AG currently in use for the file/directory. */ - xfs_inode_t *ip; /* inode self-pointer. */ - xfs_inode_t *pip; /* Parent directory inode pointer. */ -} fstrm_item_t; +struct xfs_fstrm_item { + struct xfs_mru_cache_elem mru; + struct xfs_inode *ip; + xfs_agnumber_t ag; /* AG in use for this directory */ +}; + +enum xfs_fstrm_alloc { + XFS_PICK_USERDATA = 1, + XFS_PICK_LOWSPACE = 2, +}; /* * Allocation group filestream associations are tracked with per-ag atomic - * counters. These counters allow _xfs_filestream_pick_ag() to tell whether a + * counters. These counters allow xfs_filestream_pick_ag() to tell whether a * particular AG already has active filestreams associated with it. The mount * point's m_peraglock is used to protect these counters from per-ag array * re-allocation during a growfs operation. When xfs_growfs_data_private() is @@ -201,23 +129,42 @@ xfs_filestream_put_ag( xfs_perag_put(pag); } +static void +xfs_fstrm_free_func( + struct xfs_mru_cache_elem *mru) +{ + struct xfs_fstrm_item *item = + container_of(mru, struct xfs_fstrm_item, mru); + + xfs_filestream_put_ag(item->ip->i_mount, item->ag); + + TRACE_FREE(mp, ip, NULL, item->ag, + xfs_filestream_peek_ag(mp, item->ag)); + + kmem_zone_free(item_zone, item); +} + /* * Scan the AGs starting at startag looking for an AG that isn't in use and has * at least minlen blocks free. */ static int -_xfs_filestream_pick_ag( - xfs_mount_t *mp, - xfs_agnumber_t startag, - xfs_agnumber_t *agp, - int flags, - xfs_extlen_t minlen) +xfs_filestream_pick_ag( + struct xfs_inode *ip, + xfs_agnumber_t startag, + xfs_agnumber_t *agp, + int flags, + xfs_extlen_t minlen) { - int streams, max_streams; - int err, trylock, nscan; - xfs_extlen_t longest, free, minfree, maxfree = 0; - xfs_agnumber_t ag, max_ag = NULLAGNUMBER; - struct xfs_perag *pag; + struct xfs_mount *mp = ip->i_mount; + struct xfs_fstrm_item *item; + struct xfs_perag *pag; + xfs_extlen_t longest, free, minfree, maxfree = 0; + xfs_agnumber_t ag, max_ag = NULLAGNUMBER; + int streams, max_streams; + int err, trylock, nscan; + + ASSERT(S_ISDIR(ip->i_d.di_mode)); /* 2% of an AG's blocks must be free for it to be chosen. */ minfree = mp->m_sb.sb_agblocks / 50; @@ -321,205 +268,55 @@ next_ag: TRACE_AG_PICK2(mp, startag, *agp, streams, free, nscan, flags); - return 0; -} - -/* - * Set the allocation group number for a file or a directory, updating inode - * references and per-AG references as appropriate. - */ -static int -_xfs_filestream_update_ag( - xfs_inode_t *ip, - xfs_inode_t *pip, - xfs_agnumber_t ag) -{ - int err = 0; - xfs_mount_t *mp; - fstrm_item_t *item; - xfs_agnumber_t old_ag; - xfs_inode_t *old_pip; - struct xfs_mru_cache_elem *mru; - - /* - * Either ip is a regular file and pip is a directory, or ip is a - * directory and pip is NULL. - */ - ASSERT(ip && ((S_ISREG(ip->i_d.di_mode) && pip && - S_ISDIR(pip->i_d.di_mode)) || - (S_ISDIR(ip->i_d.di_mode) && !pip))); - - mp = ip->i_mount; - - mru = xfs_mru_cache_lookup(mp->m_filestream, ip->i_ino); - if (mru) { - item = container_of(mru, fstrm_item_t, mru); - - ASSERT(item->ip == ip); - old_ag = item->ag; - item->ag = ag; - old_pip = item->pip; - item->pip = pip; - xfs_mru_cache_done(mp->m_filestream); - - /* - * If the AG has changed, drop the old ref and take a new one, - * effectively transferring the reference from old to new AG. - */ - if (ag != old_ag) { - xfs_filestream_put_ag(mp, old_ag); - xfs_filestream_get_ag(mp, ag); - } - - /* - * If ip is a file and its pip has changed, drop the old ref and - * take a new one. - */ - if (pip && pip != old_pip) { - IRELE(old_pip); - IHOLD(pip); - } - - TRACE_UPDATE(mp, ip, old_ag, xfs_filestream_peek_ag(mp, old_ag), - ag, xfs_filestream_peek_ag(mp, ag)); + if (*agp == NULLAGNUMBER) return 0; - } + err = ENOMEM; item = kmem_zone_zalloc(item_zone, KM_MAYFAIL); if (!item) - return ENOMEM; + goto out_put_ag; - item->ag = ag; + item->ag = *agp; item->ip = ip; - item->pip = pip; err = xfs_mru_cache_insert(mp->m_filestream, ip->i_ino, &item->mru); if (err) { - kmem_zone_free(item_zone, item); - return err; + if (err == EEXIST) + err = 0; + goto out_free_item; } - /* Take a reference on the AG. */ - xfs_filestream_get_ag(mp, ag); - - /* - * Take a reference on the inode itself regardless of whether it's a - * regular file or a directory. - */ - IHOLD(ip); - - /* - * In the case of a regular file, take a reference on the parent inode - * as well to ensure it remains in-core. - */ - if (pip) - IHOLD(pip); - - TRACE_UPDATE(mp, ip, ag, xfs_filestream_peek_ag(mp, ag), - ag, xfs_filestream_peek_ag(mp, ag)); - return 0; -} - -/* xfs_fstrm_free_func(): callback for freeing cached stream items. */ -STATIC void -xfs_fstrm_free_func( - struct xfs_mru_cache_elem *mru) -{ - fstrm_item_t *item = - container_of(mru, fstrm_item_t, mru); - xfs_inode_t *ip = item->ip; - - /* Drop the reference taken on the AG when the item was added. */ - xfs_filestream_put_ag(ip->i_mount, item->ag); - - TRACE_FREE(ip->i_mount, ip, item->pip, item->ag, - xfs_filestream_peek_ag(ip->i_mount, item->ag)); - - /* - * _xfs_filestream_update_ag() always takes a reference on the inode - * itself, whether it's a file or a directory. Release it here. - * This can result in the inode being freed and so we must - * not hold any inode locks when freeing filesstreams objects - * otherwise we can deadlock here. - */ - IRELE(ip); - /* - * In the case of a regular file, _xfs_filestream_update_ag() also - * takes a ref on the parent inode to keep it in-core. Release that - * too. - */ - if (item->pip) - IRELE(item->pip); - - /* Finally, free the memory allocated for the item. */ +out_free_item: kmem_zone_free(item_zone, item); +out_put_ag: + xfs_filestream_put_ag(mp, *agp); + return err; } -/* - * xfs_filestream_init() is called at xfs initialisation time to set up the - * memory zone that will be used for filestream data structure allocation. - */ -int -xfs_filestream_init(void) -{ - item_zone = kmem_zone_init(sizeof(fstrm_item_t), "fstrm_item"); - if (!item_zone) - return -ENOMEM; - - return 0; -} - -/* - * xfs_filestream_uninit() is called at xfs termination time to destroy the - * memory zone that was used for filestream data structure allocation. - */ -void -xfs_filestream_uninit(void) +static struct xfs_inode * +xfs_filestream_get_parent( + struct xfs_inode *ip) { - kmem_zone_destroy(item_zone); -} + struct inode *inode = VFS_I(ip), *dir = NULL; + struct dentry *dentry, *parent; -/* - * xfs_filestream_mount() is called when a file system is mounted with the - * filestream option. It is responsible for allocating the data structures - * needed to track the new file system's file streams. - */ -int -xfs_filestream_mount( - xfs_mount_t *mp) -{ - int err; - unsigned int lifetime, grp_count; + dentry = d_find_alias(inode); + if (!dentry) + goto out; - /* - * The filestream timer tunable is currently fixed within the range of - * one second to four minutes, with five seconds being the default. The - * group count is somewhat arbitrary, but it'd be nice to adhere to the - * timer tunable to within about 10 percent. This requires at least 10 - * groups. - */ - lifetime = xfs_fstrm_centisecs * 10; - grp_count = 10; + parent = dget_parent(dentry); + if (!parent) + goto out_dput; - err = xfs_mru_cache_create(&mp->m_filestream, lifetime, grp_count, - xfs_fstrm_free_func); + dir = igrab(parent->d_inode); + dput(parent); - return err; -} - -/* - * xfs_filestream_unmount() is called when a file system that was mounted with - * the filestream option is unmounted. It drains the data structures created - * to track the file system's file streams and frees all the memory that was - * allocated. - */ -void -xfs_filestream_unmount( - xfs_mount_t *mp) -{ - xfs_mru_cache_destroy(mp->m_filestream); +out_dput: + dput(dentry); +out: + return dir ? XFS_I(dir) : NULL; } /* @@ -528,94 +325,61 @@ xfs_filestream_unmount( */ xfs_agnumber_t xfs_filestream_lookup_ag( - xfs_inode_t *ip) + struct xfs_inode *ip) { - struct xfs_mount *mp = ip->i_mount; + struct xfs_mount *mp = ip->i_mount; + struct xfs_fstrm_item *item; + struct xfs_inode *pip = NULL; + xfs_agnumber_t ag = NULLAGNUMBER; + int ref = 0; struct xfs_mru_cache_elem *mru; - fstrm_item_t *item; - xfs_agnumber_t ag; - int ref; - if (!S_ISREG(ip->i_d.di_mode) && !S_ISDIR(ip->i_d.di_mode)) { - ASSERT(0); - return NULLAGNUMBER; - } + ASSERT(S_ISREG(ip->i_d.di_mode)); - mru = xfs_mru_cache_lookup(mp->m_filestream, ip->i_ino); - if (!mru) { - TRACE_LOOKUP(ip->i_mount, ip, NULL, NULLAGNUMBER, 0); - return NULLAGNUMBER; - } + pip = xfs_filestream_get_parent(ip); + if (!pip) + goto out; + + mru = xfs_mru_cache_lookup(mp->m_filestream, pip->i_ino); + if (!mru) + goto out; + + item = container_of(mru, struct xfs_fstrm_item, mru); - item = container_of(mru, fstrm_item_t, mru); - ASSERT(ip == item->ip); ag = item->ag; - ref = xfs_filestream_peek_ag(ip->i_mount, ag); xfs_mru_cache_done(mp->m_filestream); - TRACE_LOOKUP(ip->i_mount, ip, item->pip, ag, ref); + ref = xfs_filestream_peek_ag(ip->i_mount, ag); +out: + TRACE_LOOKUP(mp, ip, pip, ag, ref); + IRELE(pip); return ag; } /* - * xfs_filestream_associate() should only be called to associate a regular file - * with its parent directory. Calling it with a child directory isn't - * appropriate because filestreams don't apply to entire directory hierarchies. - * Creating a file in a child directory of an existing filestream directory - * starts a new filestream with its own allocation group association. + * Make sure a directory has a filestream associated with it. * - * Returns < 0 on error, 0 if successful association occurred, > 0 if - * we failed to get an association because of locking issues. + * This is called when creating regular files in an directory that has + * filestreams enabled, so that a stream is ready by the time we need it + * in the allocator for the files inside the directory. */ int xfs_filestream_associate( - xfs_inode_t *pip, - xfs_inode_t *ip) + struct xfs_inode *pip) { + struct xfs_mount *mp = pip->i_mount; struct xfs_mru_cache_elem *mru; - xfs_mount_t *mp; - fstrm_item_t *item; - xfs_agnumber_t ag, rotorstep, startag; - int err = 0; + xfs_agnumber_t startag, ag; ASSERT(S_ISDIR(pip->i_d.di_mode)); - ASSERT(S_ISREG(ip->i_d.di_mode)); - if (!S_ISDIR(pip->i_d.di_mode) || !S_ISREG(ip->i_d.di_mode)) - return -EINVAL; - - mp = pip->i_mount; /* - * We have a problem, Houston. - * - * Taking the iolock here violates inode locking order - we already - * hold the ilock. Hence if we block getting this lock we may never - * wake. Unfortunately, that means if we can't get the lock, we're - * screwed in terms of getting a stream association - we can't spin - * waiting for the lock because someone else is waiting on the lock we - * hold and we cannot drop that as we are in a transaction here. - * - * Lucky for us, this inversion is not a problem because it's a - * directory inode that we are trying to lock here. - * - * So, if we can't get the iolock without sleeping then just give up + * If the directory already has a file stream associated we're done. */ - if (!xfs_ilock_nowait(pip, XFS_IOLOCK_EXCL)) - return 1; - - /* If the parent directory is already in the cache, use its AG. */ mru = xfs_mru_cache_lookup(mp->m_filestream, pip->i_ino); if (mru) { - item = container_of(mru, fstrm_item_t, mru); - - ASSERT(item->ip == pip); - ag = item->ag; xfs_mru_cache_done(mp->m_filestream); - - TRACE_LOOKUP(mp, pip, pip, ag, xfs_filestream_peek_ag(mp, ag)); - err = _xfs_filestream_update_ag(ip, pip, ag); - - goto exit; + return 0; } /* @@ -623,201 +387,107 @@ xfs_filestream_associate( * use the directory inode's AG. */ if (mp->m_flags & XFS_MOUNT_32BITINODES) { - rotorstep = xfs_rotorstep; + xfs_agnumber_t rotorstep = xfs_rotorstep; startag = (mp->m_agfrotor / rotorstep) % mp->m_sb.sb_agcount; mp->m_agfrotor = (mp->m_agfrotor + 1) % (mp->m_sb.sb_agcount * rotorstep); } else startag = XFS_INO_TO_AGNO(mp, pip->i_ino); - /* Pick a new AG for the parent inode starting at startag. */ - err = _xfs_filestream_pick_ag(mp, startag, &ag, 0, 0); - if (err || ag == NULLAGNUMBER) - goto exit_did_pick; - - /* Associate the parent inode with the AG. */ - err = _xfs_filestream_update_ag(pip, NULL, ag); - if (err) - goto exit_did_pick; - - /* Associate the file inode with the AG. */ - err = _xfs_filestream_update_ag(ip, pip, ag); - if (err) - goto exit_did_pick; - - TRACE_ASSOCIATE(mp, ip, pip, ag, xfs_filestream_peek_ag(mp, ag)); - -exit_did_pick: - /* - * If _xfs_filestream_pick_ag() returned a valid AG, remove the - * reference it took on it, since the file and directory will have taken - * their own now if they were successfully cached. - */ - if (ag != NULLAGNUMBER) - xfs_filestream_put_ag(mp, ag); - -exit: - xfs_iunlock(pip, XFS_IOLOCK_EXCL); - return -err; + return xfs_filestream_pick_ag(pip, startag, &ag, 0, 0); } /* - * Pick a new allocation group for the current file and its file stream. This - * function is called by xfs_bmap_filestreams() with the mount point's per-ag - * lock held. + * Pick a new allocation group for the current file and its file stream. + * + * This is called when the allocator can't find a suitable extent in the + * current AG, and we have to move the stream into a new AG with more space. */ int xfs_filestream_new_ag( struct xfs_bmalloca *ap, xfs_agnumber_t *agp) { - struct xfs_mru_cache_elem *mru, *mru2; - int flags, err; - xfs_inode_t *ip, *pip = NULL; - xfs_mount_t *mp; - xfs_extlen_t minlen; - fstrm_item_t *dir, *file; - xfs_agnumber_t ag = NULLAGNUMBER; - - ip = ap->ip; - mp = ip->i_mount; - minlen = ap->length; - *agp = NULLAGNUMBER; - - /* - * Look for the file in the cache, removing it if it's found. Doing - * this allows it to be held across the dir lookup that follows. - */ - mru = xfs_mru_cache_remove(mp->m_filestream, ip->i_ino); - if (mru) { - file = container_of(mru, fstrm_item_t, mru); - ASSERT(ip == file->ip); - - /* Save the file's parent inode and old AG number for later. */ - pip = file->pip; - ag = file->ag; - - /* Look for the file's directory in the cache. */ - mru2 = xfs_mru_cache_lookup(mp->m_filestream, pip->i_ino); - if (mru2) { - dir = container_of(mru2, fstrm_item_t, mru); - ASSERT(pip == dir->ip); - - /* - * If the directory has already moved on to a new AG, - * use that AG as the new AG for the file. Don't - * forget to twiddle the AG refcounts to match the - * movement. - */ - if (dir->ag != file->ag) { - xfs_filestream_put_ag(mp, file->ag); - xfs_filestream_get_ag(mp, dir->ag); - *agp = file->ag = dir->ag; - } + struct xfs_inode *ip = ap->ip, *pip; + struct xfs_mount *mp = ip->i_mount; + xfs_extlen_t minlen = ap->length; + xfs_agnumber_t startag = 0; + int flags, err = 0; + struct xfs_mru_cache_elem *mru; - xfs_mru_cache_done(mp->m_filestream); - } + *agp = NULLAGNUMBER; - /* - * Put the file back in the cache. If this fails, the free - * function needs to be called to tidy up in the same way as if - * the item had simply expired from the cache. - */ - err = xfs_mru_cache_insert(mp->m_filestream, ip->i_ino, mru); - if (err) { - xfs_fstrm_free_func(mru); - return err; - } + pip = xfs_filestream_get_parent(ip); + if (!pip) + goto exit; - /* - * If the file's AG was moved to the directory's new AG, there's - * nothing more to be done. - */ - if (*agp != NULLAGNUMBER) { - TRACE_MOVEAG(mp, ip, pip, - ag, xfs_filestream_peek_ag(mp, ag), - *agp, xfs_filestream_peek_ag(mp, *agp)); - return 0; - } + mru = xfs_mru_cache_remove(mp->m_filestream, pip->i_ino); + if (mru) { + struct xfs_fstrm_item *item = + container_of(mru, struct xfs_fstrm_item, mru); + startag = (item->ag + 1) % mp->m_sb.sb_agcount; } - /* - * If the file's parent directory is known, take its iolock in exclusive - * mode to prevent two sibling files from racing each other to migrate - * themselves and their parent to different AGs. - * - * Note that we lock the parent directory iolock inside the child - * iolock here. That's fine as we never hold both parent and child - * iolock in any other place. This is different from the ilock, - * which requires locking of the child after the parent for namespace - * operations. - */ - if (pip) - xfs_ilock(pip, XFS_IOLOCK_EXCL | XFS_IOLOCK_PARENT); - - /* - * A new AG needs to be found for the file. If the file's parent - * directory is also known, it will be moved to the new AG as well to - * ensure that files created inside it in future use the new AG. - */ - ag = (ag == NULLAGNUMBER) ? 0 : (ag + 1) % mp->m_sb.sb_agcount; flags = (ap->userdata ? XFS_PICK_USERDATA : 0) | (ap->flist->xbf_low ? XFS_PICK_LOWSPACE : 0); - err = _xfs_filestream_pick_ag(mp, ag, agp, flags, minlen); - if (err || *agp == NULLAGNUMBER) - goto exit; + err = xfs_filestream_pick_ag(pip, startag, agp, flags, minlen); /* - * If the file wasn't found in the file cache, then its parent directory - * inode isn't known. For this to have happened, the file must either - * be pre-existing, or it was created long enough ago that its cache - * entry has expired. This isn't the sort of usage that the filestreams - * allocator is trying to optimise, so there's no point trying to track - * its new AG somehow in the filestream data structures. + * Only free the item here so we skip over the old AG earlier. */ - if (!pip) { - TRACE_ORPHAN(mp, ip, *agp); - goto exit; - } + if (mru) + xfs_fstrm_free_func(mru); - /* Associate the parent inode with the AG. */ - err = _xfs_filestream_update_ag(pip, NULL, *agp); - if (err) - goto exit; - - /* Associate the file inode with the AG. */ - err = _xfs_filestream_update_ag(ip, pip, *agp); - if (err) - goto exit; + IRELE(pip); +exit: + if (*agp == NULLAGNUMBER) + *agp = 0; + return err; +} - TRACE_MOVEAG(mp, ip, pip, NULLAGNUMBER, 0, - *agp, xfs_filestream_peek_ag(mp, *agp)); +void +xfs_filestream_deassociate( + struct xfs_inode *ip) +{ + xfs_mru_cache_delete(ip->i_mount->m_filestream, ip->i_ino); +} -exit: +int +xfs_filestream_mount( + xfs_mount_t *mp) +{ /* - * If _xfs_filestream_pick_ag() returned a valid AG, remove the - * reference it took on it, since the file and directory will have taken - * their own now if they were successfully cached. + * The filestream timer tunable is currently fixed within the range of + * one second to four minutes, with five seconds being the default. The + * group count is somewhat arbitrary, but it'd be nice to adhere to the + * timer tunable to within about 10 percent. This requires at least 10 + * groups. */ - if (*agp != NULLAGNUMBER) - xfs_filestream_put_ag(mp, *agp); - else - *agp = 0; + return xfs_mru_cache_create(&mp->m_filestream, xfs_fstrm_centisecs * 10, + 10, xfs_fstrm_free_func); +} - if (pip) - xfs_iunlock(pip, XFS_IOLOCK_EXCL); +void +xfs_filestream_unmount( + xfs_mount_t *mp) +{ + xfs_mru_cache_destroy(mp->m_filestream); +} - return err; + +/* needs to return a positive errno for the init path */ +int +xfs_filestream_init(void) +{ + item_zone = kmem_zone_init(sizeof(struct xfs_fstrm_item), "fstrm_item"); + if (!item_zone) + return -ENOMEM; + return 0; } -/* - * Remove an association between an inode and a filestream object. - * Typically this is done on last close of an unlinked file. - */ void -xfs_filestream_deassociate( - xfs_inode_t *ip) +xfs_filestream_uninit(void) { - xfs_mru_cache_delete(ip->i_mount->m_filestream, ip->i_ino); + kmem_zone_destroy(item_zone); } diff --git a/fs/xfs/xfs_filestream.h b/fs/xfs/xfs_filestream.h index c4fa9a0..e3a25f8 100644 --- a/fs/xfs/xfs_filestream.h +++ b/fs/xfs/xfs_filestream.h @@ -20,44 +20,17 @@ struct xfs_mount; struct xfs_inode; -struct xfs_perag; struct xfs_bmalloca; -#ifdef XFS_FILESTREAMS_TRACE -#define XFS_FSTRM_KTRACE_INFO 1 -#define XFS_FSTRM_KTRACE_AGSCAN 2 -#define XFS_FSTRM_KTRACE_AGPICK1 3 -#define XFS_FSTRM_KTRACE_AGPICK2 4 -#define XFS_FSTRM_KTRACE_UPDATE 5 -#define XFS_FSTRM_KTRACE_FREE 6 -#define XFS_FSTRM_KTRACE_ITEM_LOOKUP 7 -#define XFS_FSTRM_KTRACE_ASSOCIATE 8 -#define XFS_FSTRM_KTRACE_MOVEAG 9 -#define XFS_FSTRM_KTRACE_ORPHAN 10 - -#define XFS_FSTRM_KTRACE_SIZE 16384 -extern ktrace_t *xfs_filestreams_trace_buf; - -#endif - -/* allocation selection flags */ -typedef enum xfs_fstrm_alloc { - XFS_PICK_USERDATA = 1, - XFS_PICK_LOWSPACE = 2, -} xfs_fstrm_alloc_t; - -/* prototypes for filestream.c */ int xfs_filestream_init(void); void xfs_filestream_uninit(void); int xfs_filestream_mount(struct xfs_mount *mp); void xfs_filestream_unmount(struct xfs_mount *mp); -xfs_agnumber_t xfs_filestream_lookup_ag(struct xfs_inode *ip); -int xfs_filestream_associate(struct xfs_inode *dip, struct xfs_inode *ip); void xfs_filestream_deassociate(struct xfs_inode *ip); +xfs_agnumber_t xfs_filestream_lookup_ag(struct xfs_inode *ip); +int xfs_filestream_associate(struct xfs_inode *dip); int xfs_filestream_new_ag(struct xfs_bmalloca *ap, xfs_agnumber_t *agp); - -/* filestreams for the inode? */ static inline int xfs_inode_is_filestream( struct xfs_inode *ip) diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c index 3328320..b9b531f 100644 --- a/fs/xfs/xfs_inode.c +++ b/fs/xfs/xfs_inode.c @@ -846,9 +846,9 @@ xfs_ialloc( /* now we have set up the vfs inode we can associate the filestream */ if (filestreams) { - error = xfs_filestream_associate(pip, ip); - if (error < 0) - return -error; + error = xfs_filestream_associate(pip); + if (error) + return error; } *ipp = ip; @@ -1696,16 +1696,6 @@ xfs_release( int truncated; /* - * If we are using filestreams, and we have an unlinked - * file that we are processing the last close on, then nothing - * will be able to reopen and write to this file. Purge this - * inode from the filestreams cache so that it doesn't delay - * teardown of the inode. - */ - if ((ip->i_d.di_nlink == 0) && xfs_inode_is_filestream(ip)) - xfs_filestream_deassociate(ip); - - /* * If we previously truncated this file and removed old data * in the process, we want to initiate "early" writeout on * the last close. This is an attempt to combat the notorious @@ -2661,13 +2651,7 @@ xfs_remove( if (error) goto std_return; - /* - * If we are using filestreams, kill the stream association. - * If the file is still open it may get a new one but that - * will get killed on last close in xfs_close() so we don't - * have to worry about that. - */ - if (!is_dir && link_zero && xfs_inode_is_filestream(ip)) + if (is_dir && xfs_inode_is_filestream(ip)) xfs_filestream_deassociate(ip); return 0; -- 1.7.10.4 From BATV+6c97c66af8cf872aecb6+3884+infradead.org+hch@casper.srs.infradead.org Sat Apr 12 03:00:04 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 18CFA7F66 for ; Sat, 12 Apr 2014 03:00:03 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 017F3304062 for ; Sat, 12 Apr 2014 01:00:03 -0700 (PDT) X-ASG-Debug-ID: 1397289600-04cb6c77b4139be0001-NocioJ Received: from casper.infradead.org (casper.infradead.org [85.118.1.10]) by cuda.sgi.com with ESMTP id TWWXxKfkqrLMHgv1 (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Sat, 12 Apr 2014 01:00:01 -0700 (PDT) X-Barracuda-Envelope-From: BATV+6c97c66af8cf872aecb6+3884+infradead.org+hch@casper.srs.infradead.org X-Barracuda-Apparent-Source-IP: 85.118.1.10 Received: from [83.175.99.196] (helo=localhost) by casper.infradead.org with esmtpsa (Exim 4.80.1 #2 (Red Hat Linux)) id 1WYsr2-0006Ge-Hf for xfs@oss.sgi.com; Sat, 12 Apr 2014 08:00:00 +0000 From: Christoph Hellwig To: xfs@oss.sgi.com Subject: [PATCH 9/9] xfs: add filestream allocator tracepoints Date: Sat, 12 Apr 2014 10:02:03 +0200 X-ASG-Orig-Subj: [PATCH 9/9] xfs: add filestream allocator tracepoints Message-Id: <1397289723-26243-10-git-send-email-hch@lst.de> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1397289723-26243-1-git-send-email-hch@lst.de> References: <1397289723-26243-1-git-send-email-hch@lst.de> X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org See http://www.infradead.org/rpr.html X-Barracuda-Connect: casper.infradead.org[85.118.1.10] X-Barracuda-Start-Time: 1397289601 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4816 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- Signed-off-by: Christoph Hellwig --- fs/xfs/xfs_filestream.c | 29 +++++++----------------- fs/xfs/xfs_filestream.h | 1 + fs/xfs/xfs_trace.c | 1 + fs/xfs/xfs_trace.h | 58 +++++++++++++++++++++++++++++++++++++++++++++++ 4 files changed, 68 insertions(+), 21 deletions(-) diff --git a/fs/xfs/xfs_filestream.c b/fs/xfs/xfs_filestream.c index c8a8840..8ec81be 100644 --- a/fs/xfs/xfs_filestream.c +++ b/fs/xfs/xfs_filestream.c @@ -33,12 +33,6 @@ #include "xfs_filestream.h" #include "xfs_trace.h" -#define TRACE_AG_SCAN(mp, ag, ag2) -#define TRACE_AG_PICK1(mp, max_ag, maxfree) -#define TRACE_AG_PICK2(mp, ag, ag2, cnt, free, scan, flag) -#define TRACE_FREE(mp, ip, pip, ag, cnt) -#define TRACE_LOOKUP(mp, ip, pip, ag, cnt) - struct xfs_fstrm_item { struct xfs_mru_cache_elem mru; struct xfs_inode *ip; @@ -87,7 +81,7 @@ enum xfs_fstrm_alloc { * the cache that reference per-ag array elements that have since been * reallocated. */ -static int +int xfs_filestream_peek_ag( xfs_mount_t *mp, xfs_agnumber_t agno) @@ -136,8 +130,7 @@ xfs_fstrm_free_func( xfs_filestream_put_ag(item->ip->i_mount, item->ag); - TRACE_FREE(mp, ip, NULL, item->ag, - xfs_filestream_peek_ag(mp, item->ag)); + trace_xfs_filestream_free(item->ip, item->ag); kmem_free(item); } @@ -157,9 +150,8 @@ xfs_filestream_pick_ag( struct xfs_mount *mp = ip->i_mount; struct xfs_fstrm_item *item; struct xfs_perag *pag; - xfs_extlen_t longest, free, minfree, maxfree = 0; + xfs_extlen_t longest, free = 0, minfree, maxfree = 0; xfs_agnumber_t ag, max_ag = NULLAGNUMBER; - int streams, max_streams; int err, trylock, nscan; ASSERT(S_ISDIR(ip->i_d.di_mode)); @@ -174,8 +166,9 @@ xfs_filestream_pick_ag( trylock = XFS_ALLOC_FLAG_TRYLOCK; for (nscan = 0; 1; nscan++) { + trace_xfs_filestream_scan(ip, ag); + pag = xfs_perag_get(mp, ag); - TRACE_AG_SCAN(mp, ag, atomic_read(&pag->pagf_fstrms)); if (!pag->pagf_init) { err = xfs_alloc_pagf_init(mp, NULL, ag, trylock); @@ -192,7 +185,6 @@ xfs_filestream_pick_ag( /* Keep track of the AG with the most free blocks. */ if (pag->pagf_freeblks > maxfree) { maxfree = pag->pagf_freeblks; - max_streams = atomic_read(&pag->pagf_fstrms); max_ag = ag; } @@ -215,7 +207,6 @@ xfs_filestream_pick_ag( /* Break out, retaining the reference on the AG. */ free = pag->pagf_freeblks; - streams = atomic_read(&pag->pagf_fstrms); xfs_perag_put(pag); *agp = ag; break; @@ -251,20 +242,18 @@ next_ag: */ if (max_ag != NULLAGNUMBER) { xfs_filestream_get_ag(mp, max_ag); - TRACE_AG_PICK1(mp, max_ag, maxfree); - streams = max_streams; free = maxfree; *agp = max_ag; break; } /* take AG 0 if none matched */ - TRACE_AG_PICK1(mp, max_ag, maxfree); + trace_xfs_filestream_pick(ip, *agp, free, nscan); *agp = 0; return 0; } - TRACE_AG_PICK2(mp, startag, *agp, streams, free, nscan, flags); + trace_xfs_filestream_pick(ip, *agp, free, nscan); if (*agp == NULLAGNUMBER) return 0; @@ -330,7 +319,6 @@ xfs_filestream_lookup_ag( struct xfs_mount *mp = ip->i_mount; struct xfs_inode *pip = NULL; xfs_agnumber_t startag, ag = NULLAGNUMBER; - int ref = 0; struct xfs_mru_cache_elem *mru; ASSERT(S_ISREG(ip->i_d.di_mode)); @@ -344,8 +332,7 @@ xfs_filestream_lookup_ag( ag = container_of(mru, struct xfs_fstrm_item, mru)->ag; xfs_mru_cache_done(mp->m_filestream); - ref = xfs_filestream_peek_ag(ip->i_mount, ag); - TRACE_LOOKUP(mp, ip, pip, ag, ref); + trace_xfs_filestream_lookup(ip, ag); goto out; } diff --git a/fs/xfs/xfs_filestream.h b/fs/xfs/xfs_filestream.h index 2de853e..2ef4340 100644 --- a/fs/xfs/xfs_filestream.h +++ b/fs/xfs/xfs_filestream.h @@ -27,6 +27,7 @@ void xfs_filestream_unmount(struct xfs_mount *mp); void xfs_filestream_deassociate(struct xfs_inode *ip); xfs_agnumber_t xfs_filestream_lookup_ag(struct xfs_inode *ip); int xfs_filestream_new_ag(struct xfs_bmalloca *ap, xfs_agnumber_t *agp); +int xfs_filestream_peek_ag(struct xfs_mount *mp, xfs_agnumber_t agno); static inline int xfs_inode_is_filestream( diff --git a/fs/xfs/xfs_trace.c b/fs/xfs/xfs_trace.c index dee3279..1e85bcd 100644 --- a/fs/xfs/xfs_trace.c +++ b/fs/xfs/xfs_trace.c @@ -46,6 +46,7 @@ #include "xfs_log_recover.h" #include "xfs_inode_item.h" #include "xfs_bmap_btree.h" +#include "xfs_filestream.h" /* * We include this last to have the helpers above available for the trace diff --git a/fs/xfs/xfs_trace.h b/fs/xfs/xfs_trace.h index 65d8c79..6910458 100644 --- a/fs/xfs/xfs_trace.h +++ b/fs/xfs/xfs_trace.h @@ -538,6 +538,64 @@ DEFINE_BUF_ITEM_EVENT(xfs_trans_bhold_release); DEFINE_BUF_ITEM_EVENT(xfs_trans_binval); DEFINE_BUF_ITEM_EVENT(xfs_trans_buf_ordered); +DECLARE_EVENT_CLASS(xfs_filestream_class, + TP_PROTO(struct xfs_inode *ip, xfs_agnumber_t agno), + TP_ARGS(ip, agno), + TP_STRUCT__entry( + __field(dev_t, dev) + __field(xfs_ino_t, ino) + __field(xfs_agnumber_t, agno) + __field(int, streams) + ), + TP_fast_assign( + __entry->dev = VFS_I(ip)->i_sb->s_dev; + __entry->ino = ip->i_ino; + __entry->agno = agno; + __entry->streams = xfs_filestream_peek_ag(ip->i_mount, agno); + ), + TP_printk("dev %d:%d ino 0x%llx agno %u streams %d", + MAJOR(__entry->dev), MINOR(__entry->dev), + __entry->ino, + __entry->agno, + __entry->streams) +) +#define DEFINE_FILESTREAM_EVENT(name) \ +DEFINE_EVENT(xfs_filestream_class, name, \ + TP_PROTO(struct xfs_inode *ip, xfs_agnumber_t agno), \ + TP_ARGS(ip, agno)) +DEFINE_FILESTREAM_EVENT(xfs_filestream_free); +DEFINE_FILESTREAM_EVENT(xfs_filestream_lookup); +DEFINE_FILESTREAM_EVENT(xfs_filestream_scan); + +TRACE_EVENT(xfs_filestream_pick, + TP_PROTO(struct xfs_inode *ip, xfs_agnumber_t agno, + xfs_extlen_t free, int nscan), + TP_ARGS(ip, agno, free, nscan), + TP_STRUCT__entry( + __field(dev_t, dev) + __field(xfs_ino_t, ino) + __field(xfs_agnumber_t, agno) + __field(int, streams) + __field(xfs_extlen_t, free) + __field(int, nscan) + ), + TP_fast_assign( + __entry->dev = VFS_I(ip)->i_sb->s_dev; + __entry->ino = ip->i_ino; + __entry->agno = agno; + __entry->streams = xfs_filestream_peek_ag(ip->i_mount, agno); + __entry->free = free; + __entry->nscan = nscan; + ), + TP_printk("dev %d:%d ino 0x%llx agno %u streams %d free %d nscan %d", + MAJOR(__entry->dev), MINOR(__entry->dev), + __entry->ino, + __entry->agno, + __entry->streams, + __entry->free, + __entry->nscan) +); + DECLARE_EVENT_CLASS(xfs_lock_class, TP_PROTO(struct xfs_inode *ip, unsigned lock_flags, unsigned long caller_ip), -- 1.7.10.4 From BATV+6c97c66af8cf872aecb6+3884+infradead.org+hch@casper.srs.infradead.org Sat Apr 12 03:00:04 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id E41617F5F for ; Sat, 12 Apr 2014 03:00:02 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id 8CEA8AC003 for ; Sat, 12 Apr 2014 01:00:02 -0700 (PDT) X-ASG-Debug-ID: 1397289600-04bdf07dc8141fa0001-NocioJ Received: from casper.infradead.org (casper.infradead.org [85.118.1.10]) by cuda.sgi.com with ESMTP id HhyljJ5G04G5v1Gi (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Sat, 12 Apr 2014 01:00:00 -0700 (PDT) X-Barracuda-Envelope-From: BATV+6c97c66af8cf872aecb6+3884+infradead.org+hch@casper.srs.infradead.org X-Barracuda-Apparent-Source-IP: 85.118.1.10 Received: from [83.175.99.196] (helo=localhost) by casper.infradead.org with esmtpsa (Exim 4.80.1 #2 (Red Hat Linux)) id 1WYsr1-0006Ga-M2 for xfs@oss.sgi.com; Sat, 12 Apr 2014 07:59:59 +0000 From: Christoph Hellwig To: xfs@oss.sgi.com Subject: [PATCH 8/9] xfs: remove xfs_filestream_associate Date: Sat, 12 Apr 2014 10:02:02 +0200 X-ASG-Orig-Subj: [PATCH 8/9] xfs: remove xfs_filestream_associate Message-Id: <1397289723-26243-9-git-send-email-hch@lst.de> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1397289723-26243-1-git-send-email-hch@lst.de> References: <1397289723-26243-1-git-send-email-hch@lst.de> X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org See http://www.infradead.org/rpr.html X-Barracuda-Connect: casper.infradead.org[85.118.1.10] X-Barracuda-Start-Time: 1397289600 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4816 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- There is no good reason to create a filestream when a directory entry is created. Delay it until the first allocation happens to simply the code and reduce the amount of mru cache lookups we do. Signed-off-by: Christoph Hellwig --- fs/xfs/xfs_filestream.c | 57 +++++++++++++---------------------------------- fs/xfs/xfs_filestream.h | 1 - fs/xfs/xfs_inode.c | 15 ------------- 3 files changed, 15 insertions(+), 58 deletions(-) diff --git a/fs/xfs/xfs_filestream.c b/fs/xfs/xfs_filestream.c index 7b94036..c8a8840 100644 --- a/fs/xfs/xfs_filestream.c +++ b/fs/xfs/xfs_filestream.c @@ -318,17 +318,18 @@ out: } /* - * Return the AG of the filestream the file or directory belongs to, or - * NULLAGNUMBER otherwise. + * Find the right allocation group for a file, either by finding an + * existing file stream or creating a new one. + * + * Returns NULLAGNUMBER in case of an error. */ xfs_agnumber_t xfs_filestream_lookup_ag( struct xfs_inode *ip) { struct xfs_mount *mp = ip->i_mount; - struct xfs_fstrm_item *item; struct xfs_inode *pip = NULL; - xfs_agnumber_t ag = NULLAGNUMBER; + xfs_agnumber_t startag, ag = NULLAGNUMBER; int ref = 0; struct xfs_mru_cache_elem *mru; @@ -339,45 +340,13 @@ xfs_filestream_lookup_ag( goto out; mru = xfs_mru_cache_lookup(mp->m_filestream, pip->i_ino); - if (!mru) - goto out; - - item = container_of(mru, struct xfs_fstrm_item, mru); - - ag = item->ag; - xfs_mru_cache_done(mp->m_filestream); - - ref = xfs_filestream_peek_ag(ip->i_mount, ag); -out: - TRACE_LOOKUP(mp, ip, pip, ag, ref); - IRELE(pip); - return ag; -} - -/* - * Make sure a directory has a filestream associated with it. - * - * This is called when creating regular files in an directory that has - * filestreams enabled, so that a stream is ready by the time we need it - * in the allocator for the files inside the directory. - */ -int -xfs_filestream_associate( - struct xfs_inode *pip) -{ - struct xfs_mount *mp = pip->i_mount; - struct xfs_mru_cache_elem *mru; - xfs_agnumber_t startag, ag; - - ASSERT(S_ISDIR(pip->i_d.di_mode)); - - /* - * If the directory already has a file stream associated we're done. - */ - mru = xfs_mru_cache_lookup(mp->m_filestream, pip->i_ino); if (mru) { + ag = container_of(mru, struct xfs_fstrm_item, mru)->ag; xfs_mru_cache_done(mp->m_filestream); - return 0; + + ref = xfs_filestream_peek_ag(ip->i_mount, ag); + TRACE_LOOKUP(mp, ip, pip, ag, ref); + goto out; } /* @@ -392,7 +361,11 @@ xfs_filestream_associate( } else startag = XFS_INO_TO_AGNO(mp, pip->i_ino); - return xfs_filestream_pick_ag(pip, startag, &ag, 0, 0); + if (xfs_filestream_pick_ag(pip, startag, &ag, 0, 0)) + ag = NULLAGNUMBER; +out: + IRELE(pip); + return ag; } /* diff --git a/fs/xfs/xfs_filestream.h b/fs/xfs/xfs_filestream.h index 578d49e..2de853e 100644 --- a/fs/xfs/xfs_filestream.h +++ b/fs/xfs/xfs_filestream.h @@ -26,7 +26,6 @@ int xfs_filestream_mount(struct xfs_mount *mp); void xfs_filestream_unmount(struct xfs_mount *mp); void xfs_filestream_deassociate(struct xfs_inode *ip); xfs_agnumber_t xfs_filestream_lookup_ag(struct xfs_inode *ip); -int xfs_filestream_associate(struct xfs_inode *dip); int xfs_filestream_new_ag(struct xfs_bmalloca *ap, xfs_agnumber_t *agp); static inline int diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c index b9b531f..cec18e9 100644 --- a/fs/xfs/xfs_inode.c +++ b/fs/xfs/xfs_inode.c @@ -655,7 +655,6 @@ xfs_ialloc( uint flags; int error; timespec_t tv; - int filestreams = 0; /* * Call the space management code to pick @@ -772,13 +771,6 @@ xfs_ialloc( flags |= XFS_ILOG_DEV; break; case S_IFREG: - /* - * we can't set up filestreams until after the VFS inode - * is set up properly. - */ - if (pip && xfs_inode_is_filestream(pip)) - filestreams = 1; - /* fall through */ case S_IFDIR: if (pip && (pip->i_d.di_flags & XFS_DIFLAG_ANY)) { uint di_flags = 0; @@ -844,13 +836,6 @@ xfs_ialloc( /* now that we have an i_mode we can setup inode ops and unlock */ xfs_setup_inode(ip); - /* now we have set up the vfs inode we can associate the filestream */ - if (filestreams) { - error = xfs_filestream_associate(pip); - if (error) - return error; - } - *ipp = ip; return 0; } -- 1.7.10.4 From climmural@gmail.com Sat Apr 12 08:12:34 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=FREEMAIL_FROM,LOTS_OF_MONEY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 666E67F37 for ; Sat, 12 Apr 2014 08:12:34 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 4EE8B8F8049 for ; Sat, 12 Apr 2014 06:12:31 -0700 (PDT) X-ASG-Debug-ID: 1397308346-04cbb00dc4153bc0001-NocioJ Received: from [139.170.0.194] ([139.170.0.194]) by cuda.sgi.com with SMTP id RzKfO4ijjJ2ODQhn for ; Sat, 12 Apr 2014 06:12:27 -0700 (PDT) X-Barracuda-Envelope-From: climmural@gmail.com X-Barracuda-Apparent-Source-IP: 139.170.0.194 Reply-To: climmural@gmail.com From: climmural@gmail.com To: xfs@oss.sgi.com Subject: Liquidation sur thermopompe murale Sender: climmural@gmail.com X-ASG-Orig-Subj: Liquidation sur thermopompe murale Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Date: Sat, 12 Apr 2014 21:06:57 +0800 X-Barracuda-Connect: UNKNOWN[139.170.0.194] X-Barracuda-Start-Time: 1397308346 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.74 X-Barracuda-Spam-Status: No, SCORE=0.74 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC5_MJ1963, MISSING_MID, NO_REAL_NAME, RDNS_NONE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4823 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.14 MISSING_MID Missing Message-Id: header 0.00 NO_REAL_NAME From: does not include a real name 0.10 RDNS_NONE Delivered to trusted network by a host with no rDNS 0.50 BSF_SC5_MJ1963 Custom Rule MJ1963 Message-Id: <20140412131231.492B6106C71B@cuda.sgi.com> Vente surplus d'inventaire 2013 sur thermopompes murales de marque Napoleon Climatisation-Déhumidification-Chauffage jusqu'à - 15 Celcius (Avec arrêt automatique)-Dc Inverter Compresseur Toshiba-Garantie 6 ans complète Un appareil haut de gamme à prix imbattable. 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Telepnone 514 792 6461 From tytso@thunk.org Sat Apr 12 08:48:37 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id B352D7F4E for ; Sat, 12 Apr 2014 08:48:37 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id 9A42E304066 for ; Sat, 12 Apr 2014 06:48:34 -0700 (PDT) X-ASG-Debug-ID: 1397310499-04cbb00dc51553b0001-NocioJ Received: from imap.thunk.org (imap.thunk.org [74.207.234.97]) by cuda.sgi.com with ESMTP id 713xlA4SZPQ21BiU (version=TLSv1 cipher=AES128-SHA bits=128 verify=NO) for ; Sat, 12 Apr 2014 06:48:19 -0700 (PDT) X-Barracuda-Envelope-From: tytso@thunk.org X-Barracuda-Apparent-Source-IP: 74.207.234.97 Received: from root (helo=closure.thunk.org) by imap.thunk.org with local-esmtp (Exim 4.80) (envelope-from ) id 1WYyI6-00020Z-IM; Sat, 12 Apr 2014 13:48:18 +0000 Received: by closure.thunk.org (Postfix, from userid 15806) id D203F58032E; Sat, 12 Apr 2014 09:48:15 -0400 (EDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=thunk.org; s=mail; t=1397310495; bh=SqpIxGVAF9axW8VIppvejYmu9kmx5PnxxEzU09e7jOw=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=CNC+BMBaXK64u49D3gC1MlhEX2z5QVpslPMbKiO62CQP8vollVWdglJJDSSeujMkX /9ebt9kErRc0ZTOfcv3pwA9iUhpMyRdgBmce0VAj8J0SytwQn6tvi8rMJ0KqytaovX 32F+lIonmb0j+a7Imf5djZdmhHu7HehchS2BJgm8= Date: Sat, 12 Apr 2014 09:48:15 -0400 From: Theodore Ts'o To: Lukas Czerner Cc: linux-fsdevel@vger.kernel.org, linux-ext4@vger.kernel.org, xfs@oss.sgi.com, ceph-devel@vger.kernel.org Subject: Re: [PATCH 1/4] ext4: Remove unnecessary check for APPEND and IMMUTABLE Message-ID: <20140412134815.GA13837@thunk.org> X-ASG-Orig-Subj: Re: [PATCH 1/4] ext4: Remove unnecessary check for APPEND and IMMUTABLE References: <1397242665-2183-1-git-send-email-lczerner@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1397242665-2183-1-git-send-email-lczerner@redhat.com> User-Agent: Mutt/1.5.23 (2014-03-12) X-SA-Exim-Connect-IP: X-SA-Exim-Mail-From: tytso@thunk.org X-SA-Exim-Scanned: No (on imap.thunk.org); SAEximRunCond expanded to false X-Barracuda-Connect: imap.thunk.org[74.207.234.97] X-Barracuda-Start-Time: 1397310499 X-Barracuda-Encrypted: AES128-SHA X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=DKIM_SIGNED X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4824 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature On Fri, Apr 11, 2014 at 08:57:42PM +0200, Lukas Czerner wrote: > All the checks IS_APPEND and IS_IMMUTABLE for the fallocate operation on > the inode are done in vfs. No need to do this again in ext4. Remove it. > > Signed-off-by: Lukas Czerner Thanks, applied. - Ted From tytso@thunk.org Sat Apr 12 08:49:13 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 903187F56 for ; Sat, 12 Apr 2014 08:49:13 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 143BBAC004 for ; Sat, 12 Apr 2014 06:49:09 -0700 (PDT) X-ASG-Debug-ID: 1397310548-04cbb00dc4155430001-NocioJ Received: from imap.thunk.org (imap.thunk.org [74.207.234.97]) by cuda.sgi.com with ESMTP id oCASoy7b33JhtlBu (version=TLSv1 cipher=AES128-SHA bits=128 verify=NO) for ; Sat, 12 Apr 2014 06:49:08 -0700 (PDT) X-Barracuda-Envelope-From: tytso@thunk.org X-Barracuda-Apparent-Source-IP: 74.207.234.97 Received: from root (helo=closure.thunk.org) by imap.thunk.org with local-esmtp (Exim 4.80) (envelope-from ) id 1WYyIu-00020n-Kp; Sat, 12 Apr 2014 13:49:08 +0000 Received: by closure.thunk.org (Postfix, from userid 15806) id 018AF58032E; Sat, 12 Apr 2014 09:49:05 -0400 (EDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=thunk.org; s=mail; t=1397310546; bh=JQrv2IZSXHeu524ryqUTt0/fzIW+3k2sKWLe//MyaQw=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=gq1246khQ+cW2i/9CSmB5PhJAw55/UXTJYYrqOaVvUL0rsaF2ATsNDO0uEahp2Uc8 +mNblMwCpJxJSqAMcLJCuvA+NfdcxooASh6T+ilsLZhCC2aJ+fouRtX/dJ5r5LTHeE Eog6eO3mPBNLzW52aca7oC19yxELtkMUewEIiSbM= Date: Sat, 12 Apr 2014 09:49:05 -0400 From: Theodore Ts'o To: Lukas Czerner Cc: linux-fsdevel@vger.kernel.org, linux-ext4@vger.kernel.org, xfs@oss.sgi.com, ceph-devel@vger.kernel.org Subject: Re: [PATCH 2/4] fs: Prevent doing FALLOC_FL_ZERO_RANGE on append only file Message-ID: <20140412134905.GB13837@thunk.org> X-ASG-Orig-Subj: Re: [PATCH 2/4] fs: Prevent doing FALLOC_FL_ZERO_RANGE on append only file References: <1397242665-2183-1-git-send-email-lczerner@redhat.com> <1397242665-2183-2-git-send-email-lczerner@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1397242665-2183-2-git-send-email-lczerner@redhat.com> User-Agent: Mutt/1.5.23 (2014-03-12) X-SA-Exim-Connect-IP: X-SA-Exim-Mail-From: tytso@thunk.org X-SA-Exim-Scanned: No (on imap.thunk.org); SAEximRunCond expanded to false X-Barracuda-Connect: imap.thunk.org[74.207.234.97] X-Barracuda-Start-Time: 1397310548 X-Barracuda-Encrypted: AES128-SHA X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=DKIM_SIGNED X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4824 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature On Fri, Apr 11, 2014 at 08:57:43PM +0200, Lukas Czerner wrote: > Currently punch hole and collapse range fallocate operation are not > allowed on append only file. This should be case for zero range as well. > Fix it. > > Signed-off-by: Lukas Czerner Looks good to me. If people don't object, I'll carry this in the ext4 tree for merging in 3.15, since this is a bug fix... - Ted From tytso@thunk.org Sat Apr 12 08:59:11 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 172437F51 for ; Sat, 12 Apr 2014 08:59:11 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id DA9308F8033 for ; Sat, 12 Apr 2014 06:59:10 -0700 (PDT) X-ASG-Debug-ID: 1397311148-04bdf07dc8151ba0001-NocioJ Received: from imap.thunk.org (imap.thunk.org [74.207.234.97]) by cuda.sgi.com with ESMTP id RFzUDCmvsCVb9nZm (version=TLSv1 cipher=AES128-SHA bits=128 verify=NO) for ; Sat, 12 Apr 2014 06:59:09 -0700 (PDT) X-Barracuda-Envelope-From: tytso@thunk.org X-Barracuda-Apparent-Source-IP: 74.207.234.97 Received: from root (helo=closure.thunk.org) by imap.thunk.org with local-esmtp (Exim 4.80) (envelope-from ) id 1WYySZ-000216-85; Sat, 12 Apr 2014 13:59:07 +0000 Received: by closure.thunk.org (Postfix, from userid 15806) id 949F058032E; Sat, 12 Apr 2014 09:59:06 -0400 (EDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=thunk.org; s=mail; t=1397311146; bh=hRKZGBAwOxVmiYyIyKp3rajCF72hwJ3Vl/+IcMgu/NY=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=iidJqMuAOq7dy5Lg8/Qez+N35PeRaOZ2hyV/SgQBM8aq3W/sXcLDU6Jz0HNwazKUW T+B/W18p4OhJAT8oGX/clLct3KYxpTMNZWLD8JqgLJlMrXCzJ5p93Ar5ZBK1ZJlWyh 42IZGpkIgLRJz4GaVEHw99N2PuJYuD5wIjdcrmao= Date: Sat, 12 Apr 2014 09:59:06 -0400 From: Theodore Ts'o To: Lukas Czerner Cc: linux-fsdevel@vger.kernel.org, linux-ext4@vger.kernel.org, xfs@oss.sgi.com, ceph-devel@vger.kernel.org Subject: Re: [PATCH 3/4] fs: Remove i_size check from do_fallocate Message-ID: <20140412135906.GC13837@thunk.org> X-ASG-Orig-Subj: Re: [PATCH 3/4] fs: Remove i_size check from do_fallocate References: <1397242665-2183-1-git-send-email-lczerner@redhat.com> <1397242665-2183-3-git-send-email-lczerner@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1397242665-2183-3-git-send-email-lczerner@redhat.com> User-Agent: Mutt/1.5.23 (2014-03-12) X-SA-Exim-Connect-IP: X-SA-Exim-Mail-From: tytso@thunk.org X-SA-Exim-Scanned: No (on imap.thunk.org); SAEximRunCond expanded to false X-Barracuda-Connect: imap.thunk.org[74.207.234.97] X-Barracuda-Start-Time: 1397311148 X-Barracuda-Encrypted: AES128-SHA X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=DKIM_SIGNED X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4824 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature On Fri, Apr 11, 2014 at 08:57:44PM +0200, Lukas Czerner wrote: > Currently in do_fallocate in collapse range case we're checking whether > offset + len is not bigger than i_size. However there is nothing which > would prevent i_size from changing so the check is pointless. It should > be done in the file system itself and the file system needs to make sure > that i_size is not going to change. > > As it is now we can easily crash kernel by having two processes doing > truncate and fallocate collapse range at the same time. This can be > reproduced on ext4 and it is theoretically possible on xfs even though I > was not able to trigger it with this simple test. > > This commit removes the check from do_fallocate and adds it to the file > system. > > Signed-off-by: Lukas Czerner > --- > fs/ext4/extents.c | 11 +++++++++-- > fs/open.c | 8 -------- > fs/xfs/xfs_file.c | 10 +++++++++- > 3 files changed, 18 insertions(+), 11 deletions(-) Looks good to me. Do the xfs folks mind if I carry this in the ext4 tree and push it to Linus shortly after -rc1? If so, please send me an ack'ed by. If folks have a strong preference to handle this differently, let me know. Cheers, - Ted From tytso@thunk.org Sat Apr 12 09:06:47 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 50A367F55 for ; Sat, 12 Apr 2014 09:06:47 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id D8994AC001 for ; Sat, 12 Apr 2014 07:06:43 -0700 (PDT) X-ASG-Debug-ID: 1397311599-04cbb00dc51562e0001-NocioJ Received: from imap.thunk.org (imap.thunk.org [74.207.234.97]) by cuda.sgi.com with ESMTP id J3WBvL6K4J5YTnab (version=TLSv1 cipher=AES128-SHA bits=128 verify=NO) for ; Sat, 12 Apr 2014 07:06:39 -0700 (PDT) X-Barracuda-Envelope-From: tytso@thunk.org X-Barracuda-Apparent-Source-IP: 74.207.234.97 Received: from root (helo=closure.thunk.org) by imap.thunk.org with local-esmtp (Exim 4.80) (envelope-from ) id 1WYyZr-0002HR-IN; Sat, 12 Apr 2014 14:06:39 +0000 Received: by closure.thunk.org (Postfix, from userid 15806) id D5BF258032E; Sat, 12 Apr 2014 10:06:33 -0400 (EDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=thunk.org; s=mail; t=1397311593; bh=9ijiiyCUT3xtHgd2TWK/SXvYJ6kz+cs8U6yoa1ZxcmU=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=g+Yb+/ngvRx9/a2pDUQ7nIXhdm1i8gllIvpYKrd7CcD61PM284Yc2PFAd98Jsada6 FoaHsdrr0IwdKQ0BAzZQtv5UmJDtWriK+QorPVp2eWesMXjEq/pqV8GnUstEx76qWV WJu/G+ZRf3cvFUe0l1z50e+KfKUK1+bzD4vVFzdI= Date: Sat, 12 Apr 2014 10:06:33 -0400 From: Theodore Ts'o To: Lukas Czerner Cc: linux-fsdevel@vger.kernel.org, linux-ext4@vger.kernel.org, xfs@oss.sgi.com, ceph-devel@vger.kernel.org Subject: Re: [PATCH 4/4] fs: Disallow all fallocate operation on active swapfile Message-ID: <20140412140633.GD13837@thunk.org> X-ASG-Orig-Subj: Re: [PATCH 4/4] fs: Disallow all fallocate operation on active swapfile References: <1397242665-2183-1-git-send-email-lczerner@redhat.com> <1397242665-2183-4-git-send-email-lczerner@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1397242665-2183-4-git-send-email-lczerner@redhat.com> User-Agent: Mutt/1.5.23 (2014-03-12) X-SA-Exim-Connect-IP: X-SA-Exim-Mail-From: tytso@thunk.org X-SA-Exim-Scanned: No (on imap.thunk.org); SAEximRunCond expanded to false X-Barracuda-Connect: imap.thunk.org[74.207.234.97] X-Barracuda-Start-Time: 1397311599 X-Barracuda-Encrypted: AES128-SHA X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=DKIM_SIGNED X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4824 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature On Fri, Apr 11, 2014 at 08:57:45PM +0200, Lukas Czerner wrote: > Currently some file system have IS_SWAPFILE check in their fallocate > implementations and some does not. However we should really prevent any > fallocate operation on swapfile so move the check to vfs and remove the > redundant checks from the file systems fallocate implementations. > > Signed-off-by: Lukas Czerner > --- > fs/ceph/file.c | 3 --- > fs/ext4/extents.c | 5 ----- > fs/ext4/inode.c | 5 ----- > fs/open.c | 7 +++++++ > 4 files changed, 7 insertions(+), 13 deletions(-) Thanks, applied. Again, if anyone has an objections with my carrying these patches in the ext4 tree and pushing them to Linus shortly after -rc1, please let me know. - Ted From BATV+1fdd4b917c8765947a5c+3884+infradead.org+hch@bombadil.srs.infradead.org Sat Apr 12 10:19:59 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id CBB2C7F59 for ; Sat, 12 Apr 2014 10:19:57 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id 69DCBAC004 for ; Sat, 12 Apr 2014 08:19:57 -0700 (PDT) X-ASG-Debug-ID: 1397315976-04bdf07dca1559c0001-NocioJ Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) by cuda.sgi.com with ESMTP id id8d30M8H5hv6xwm (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Sat, 12 Apr 2014 08:19:36 -0700 (PDT) X-Barracuda-Envelope-From: BATV+1fdd4b917c8765947a5c+3884+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.80.1 #2 (Red Hat Linux)) id 1WYziR-0004iX-8P; Sat, 12 Apr 2014 15:19:35 +0000 Date: Sat, 12 Apr 2014 08:19:35 -0700 From: Christoph Hellwig To: Lukas Czerner Cc: linux-fsdevel@vger.kernel.org, ceph-devel@vger.kernel.org, linux-ext4@vger.kernel.org, xfs@oss.sgi.com Subject: Re: [PATCH 2/4] fs: Prevent doing FALLOC_FL_ZERO_RANGE on append only file Message-ID: <20140412151935.GA18047@infradead.org> X-ASG-Orig-Subj: Re: [PATCH 2/4] fs: Prevent doing FALLOC_FL_ZERO_RANGE on append only file References: <1397242665-2183-1-git-send-email-lczerner@redhat.com> <1397242665-2183-2-git-send-email-lczerner@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1397242665-2183-2-git-send-email-lczerner@redhat.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html X-Barracuda-Connect: bombadil.infradead.org[198.137.202.9] X-Barracuda-Start-Time: 1397315976 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4826 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Fri, Apr 11, 2014 at 08:57:43PM +0200, Lukas Czerner wrote: > /* > - * It's not possible to punch hole or perform collapse range > - * on append only file > + * It's not possible to punch hole, perform collapse range > + * or zero range on append only file > */ > - if (mode & (FALLOC_FL_PUNCH_HOLE | FALLOC_FL_COLLAPSE_RANGE) > + if (mode & (FALLOC_FL_PUNCH_HOLE | FALLOC_FL_COLLAPSE_RANGE | > + FALLOC_FL_ZERO_RANGE) Might be better to make this a negative test fo the operation that is allowed on an appen only file. That's also much better future proof. From BATV+1fdd4b917c8765947a5c+3884+infradead.org+hch@bombadil.srs.infradead.org Sat Apr 12 10:21:22 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id CF7827F59 for ; Sat, 12 Apr 2014 10:21:22 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id A897F8F8035 for ; Sat, 12 Apr 2014 08:21:22 -0700 (PDT) X-ASG-Debug-ID: 1397316077-04cb6c77b414c880001-NocioJ Received: from bombadil.infradead.org ([198.137.202.9]) by cuda.sgi.com with ESMTP id 76XmcJQqeuaFmyHH (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Sat, 12 Apr 2014 08:21:17 -0700 (PDT) X-Barracuda-Envelope-From: BATV+1fdd4b917c8765947a5c+3884+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.80.1 #2 (Red Hat Linux)) id 1WYzk5-0005vv-6F; Sat, 12 Apr 2014 15:21:17 +0000 Date: Sat, 12 Apr 2014 08:21:17 -0700 From: Christoph Hellwig To: Lukas Czerner Cc: linux-fsdevel@vger.kernel.org, ceph-devel@vger.kernel.org, linux-ext4@vger.kernel.org, xfs@oss.sgi.com Subject: Re: [PATCH 3/4] fs: Remove i_size check from do_fallocate Message-ID: <20140412152117.GB18047@infradead.org> X-ASG-Orig-Subj: Re: [PATCH 3/4] fs: Remove i_size check from do_fallocate References: <1397242665-2183-1-git-send-email-lczerner@redhat.com> <1397242665-2183-3-git-send-email-lczerner@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1397242665-2183-3-git-send-email-lczerner@redhat.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html X-Barracuda-Connect: UNKNOWN[198.137.202.9] X-Barracuda-Start-Time: 1397316077 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.10 X-Barracuda-Spam-Status: No, SCORE=0.10 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=RDNS_NONE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4826 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.10 RDNS_NONE Delivered to trusted network by a host with no rDNS Looks good, but the subject line is misleading, it should read something like: "fs: move falloc collapse range check into the filesystem methods" Might also be worth mentioning that size checks for the other modes are in the filesystems in the the long description. Reviewed-by: Christoph Hellwig From BATV+1fdd4b917c8765947a5c+3884+infradead.org+hch@bombadil.srs.infradead.org Sat Apr 12 10:22:27 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id DE0E57F5D for ; Sat, 12 Apr 2014 10:22:27 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 65299AC001 for ; Sat, 12 Apr 2014 08:22:27 -0700 (PDT) X-ASG-Debug-ID: 1397316146-04cb6c77b514c940001-NocioJ Received: from bombadil.infradead.org ([198.137.202.9]) by cuda.sgi.com with ESMTP id kcxDbu6bs3vA5akq (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Sat, 12 Apr 2014 08:22:26 -0700 (PDT) X-Barracuda-Envelope-From: BATV+1fdd4b917c8765947a5c+3884+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.80.1 #2 (Red Hat Linux)) id 1WYzlB-0006Tl-NX; Sat, 12 Apr 2014 15:22:25 +0000 Date: Sat, 12 Apr 2014 08:22:25 -0700 From: Christoph Hellwig To: Lukas Czerner Cc: linux-fsdevel@vger.kernel.org, ceph-devel@vger.kernel.org, linux-ext4@vger.kernel.org, xfs@oss.sgi.com Subject: Re: [PATCH 4/4] fs: Disallow all fallocate operation on active swapfile Message-ID: <20140412152225.GC18047@infradead.org> X-ASG-Orig-Subj: Re: [PATCH 4/4] fs: Disallow all fallocate operation on active swapfile References: <1397242665-2183-1-git-send-email-lczerner@redhat.com> <1397242665-2183-4-git-send-email-lczerner@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1397242665-2183-4-git-send-email-lczerner@redhat.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html X-Barracuda-Connect: UNKNOWN[198.137.202.9] X-Barracuda-Start-Time: 1397316146 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.10 X-Barracuda-Spam-Status: No, SCORE=0.10 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=RDNS_NONE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4826 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.10 RDNS_NONE Delivered to trusted network by a host with no rDNS Given that the earlier patches were about races - what protects us from swapon racing with the check outside the filesystem locks? 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= ------=_NextPart_000_20EF_01CF5698.AC6BD700-- From tytso@thunk.org Sat Apr 12 17:55:29 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 95F217F4E for ; Sat, 12 Apr 2014 17:55:29 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 18BE7AC001 for ; Sat, 12 Apr 2014 15:55:25 -0700 (PDT) X-ASG-Debug-ID: 1397343323-04cbb00dc416e0c0001-NocioJ Received: from imap.thunk.org (imap.thunk.org [74.207.234.97]) by cuda.sgi.com with ESMTP id DViDyXA1bfmN22fQ (version=TLSv1 cipher=AES128-SHA bits=128 verify=NO) for ; Sat, 12 Apr 2014 15:55:23 -0700 (PDT) X-Barracuda-Envelope-From: tytso@thunk.org X-Barracuda-Apparent-Source-IP: 74.207.234.97 Received: from root (helo=closure.thunk.org) by imap.thunk.org with local-esmtp (Exim 4.80) (envelope-from ) id 1WZ6pW-0004kE-EQ; Sat, 12 Apr 2014 22:55:22 +0000 Received: by closure.thunk.org (Postfix, from userid 15806) id 1777A58026D; Sat, 12 Apr 2014 18:55:21 -0400 (EDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=thunk.org; s=mail; t=1397343321; bh=ev17/V/CxqIpkMHDsQigji6VQkm+ZDyncCbUbmF586E=; h=From:To:Cc:Subject:Date:From; b=YZ7AjWkN96+95+rzgT1bU0PRNbxXYXN0KwjRQdy6PQtvHoxhePlWGmauvO5EEJ4kO vQzSeF0tJbWHANagUPU4ePgH6Kp5kb7juk+KPgMCeFps3vpwUQm122y4oklng/VXuP W5HOAnPdrhBGXPIM1qYmwlG7wH5WuhHF1zBSXAo4= From: Theodore Ts'o To: xfs@oss.sgi.com Cc: Ext4 Developers List , Theodore Ts'o Subject: [PATCH] ext4: add a new spinlock i_raw_lock to protect the ext4's raw inode Date: Sat, 12 Apr 2014 18:55:14 -0400 X-ASG-Orig-Subj: [PATCH] ext4: add a new spinlock i_raw_lock to protect the ext4's raw inode Message-Id: <1397343317-14669-1-git-send-email-tytso@mit.edu> X-Mailer: git-send-email 1.9.0 X-SA-Exim-Connect-IP: X-SA-Exim-Mail-From: tytso@thunk.org X-SA-Exim-Scanned: No (on imap.thunk.org); SAEximRunCond expanded to false X-Barracuda-Connect: imap.thunk.org[74.207.234.97] X-Barracuda-Start-Time: 1397343323 X-Barracuda-Encrypted: AES128-SHA X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=DKIM_SIGNED X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4836 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature To avoid potential data races, use a spinlock which protects the raw (on-disk) inode. Signed-off-by: "Theodore Ts'o" --- fs/ext4/ext4.h | 2 ++ fs/ext4/inode.c | 5 ++++- fs/ext4/super.c | 1 + 3 files changed, 7 insertions(+), 1 deletion(-) diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h index 86c2cda..1d08a1b 100644 --- a/fs/ext4/ext4.h +++ b/fs/ext4/ext4.h @@ -875,6 +875,8 @@ struct ext4_inode_info { struct inode vfs_inode; struct jbd2_inode *jinode; + spinlock_t i_raw_lock; /* protects updates to the raw inode */ + /* * File creation time. Its function is same as that of * struct timespec i_{a,c,m}time in the generic inode. diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index 2eb5fad..1ee8ff6 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -4311,7 +4311,9 @@ static int ext4_do_update_inode(handle_t *handle, uid_t i_uid; gid_t i_gid; - /* For fields not not tracking in the in-memory inode, + spin_lock(&ei->i_raw_lock); + + /* For fields not tracked in the in-memory inode, * initialise them to zero for new inodes. */ if (ext4_test_inode_state(inode, EXT4_STATE_NEW)) memset(raw_inode, 0, EXT4_SB(inode->i_sb)->s_inode_size); @@ -4419,6 +4421,7 @@ static int ext4_do_update_inode(handle_t *handle, ext4_update_inode_fsync_trans(handle, inode, need_datasync); out_brelse: + spin_unlock(&ei->i_raw_lock); brelse(bh); ext4_std_error(inode->i_sb, err); return err; diff --git a/fs/ext4/super.c b/fs/ext4/super.c index c4895c1..1f8cb18 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -879,6 +879,7 @@ static struct inode *ext4_alloc_inode(struct super_block *sb) return NULL; ei->vfs_inode.i_version = 1; + spin_lock_init(&ei->i_raw_lock); INIT_LIST_HEAD(&ei->i_prealloc_list); spin_lock_init(&ei->i_prealloc_lock); ext4_es_init_tree(&ei->i_es_tree); -- 1.9.0 From tytso@thunk.org Sat Apr 12 17:55:30 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 2591A7F52 for ; Sat, 12 Apr 2014 17:55:30 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 143328F8037 for ; Sat, 12 Apr 2014 15:55:30 -0700 (PDT) X-ASG-Debug-ID: 1397343328-04cbb00dc516e0d0001-NocioJ Received: from imap.thunk.org (imap.thunk.org [74.207.234.97]) by cuda.sgi.com with ESMTP id EV3wK6ipxXByZoCD (version=TLSv1 cipher=AES128-SHA bits=128 verify=NO) for ; Sat, 12 Apr 2014 15:55:29 -0700 (PDT) X-Barracuda-Envelope-From: tytso@thunk.org X-Barracuda-Apparent-Source-IP: 74.207.234.97 Received: from root (helo=closure.thunk.org) by imap.thunk.org with local-esmtp (Exim 4.80) (envelope-from ) id 1WZ6pW-0004kG-FZ; Sat, 12 Apr 2014 22:55:22 +0000 Received: by closure.thunk.org (Postfix, from userid 15806) id 2A74C5801A5; Sat, 12 Apr 2014 18:55:21 -0400 (EDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=thunk.org; s=mail; t=1397343321; bh=RPOKmpXi/GD7IvwCj07dRSnzlCGVhDTSZf4Iopq0NAM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=eJdqn6qUOel1aoY2+sgbM0whI1bbRzIc71mJhmyMQTCu364ObFWsb5PscsBhbmco3 96VLvY1ylPwyd5E8KHsq+FiMRu0Y0HjsV7npv+ICS+C/A8fp2T7oCcBs+GQLXucr2i qGddpPGv+ZGmRDjqBEdfxUMReMhOOj5oc4HqxXcA= From: Theodore Ts'o To: xfs@oss.sgi.com Cc: Ext4 Developers List , Theodore Ts'o , Christoph Hellwig Subject: [PATCH 1/3] generic/004: fix filtering of expected error message Date: Sat, 12 Apr 2014 18:55:15 -0400 X-ASG-Orig-Subj: [PATCH 1/3] generic/004: fix filtering of expected error message Message-Id: <1397343317-14669-2-git-send-email-tytso@mit.edu> X-Mailer: git-send-email 1.9.0 In-Reply-To: <1397343317-14669-1-git-send-email-tytso@mit.edu> References: <1397343317-14669-1-git-send-email-tytso@mit.edu> X-SA-Exim-Connect-IP: X-SA-Exim-Mail-From: tytso@thunk.org X-SA-Exim-Scanned: No (on imap.thunk.org); SAEximRunCond expanded to false X-Barracuda-Connect: imap.thunk.org[74.207.234.97] X-Barracuda-Start-Time: 1397343329 X-Barracuda-Encrypted: AES128-SHA X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.60 X-Barracuda-Spam-Status: No, SCORE=0.60 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=DKIM_SIGNED, MARKETING_SUBJECT X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4836 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.60 MARKETING_SUBJECT Subject contains popular marketing words 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature The failure message goes to stderr, so we need to redirect stderr to stdout before running sed. Signed-off-by: "Theodore Ts'o" Cc: Christoph Hellwig --- tests/generic/004 | 2 +- tests/generic/004.out | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/tests/generic/004 b/tests/generic/004 index 406c29e..23ca349 100755 --- a/tests/generic/004 +++ b/tests/generic/004 @@ -58,7 +58,7 @@ $XFS_IO_PROG -T \ rm ${testfile} # test creating a r/o tmpfile. Should fail -$XFS_IO_PROG -Tr ${TEST_DIR} -c "close" | _filter_test_dir +$XFS_IO_PROG -Tr ${TEST_DIR} -c "close" 2>&1 | _filter_test_dir # success, all done status=0 diff --git a/tests/generic/004.out b/tests/generic/004.out index b85c11c..527b2c2 100644 --- a/tests/generic/004.out +++ b/tests/generic/004.out @@ -3,4 +3,4 @@ wrote 4096/4096 bytes at offset 0 XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) read 4096/4096 bytes at offset 0 XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) -/mnt/test: Invalid argument +TEST_DIR: Invalid argument -- 1.9.0 From tytso@thunk.org Sat Apr 12 17:55:29 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id D19FD7F50 for ; Sat, 12 Apr 2014 17:55:29 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id B176B8F8037 for ; Sat, 12 Apr 2014 15:55:29 -0700 (PDT) X-ASG-Debug-ID: 1397343328-04cb6c77b4160550001-NocioJ Received: from imap.thunk.org (imap.thunk.org [74.207.234.97]) by cuda.sgi.com with ESMTP id zQpYEeRfp8GpdW5p (version=TLSv1 cipher=AES128-SHA bits=128 verify=NO) for ; Sat, 12 Apr 2014 15:55:28 -0700 (PDT) X-Barracuda-Envelope-From: tytso@thunk.org X-Barracuda-Apparent-Source-IP: 74.207.234.97 Received: from root (helo=closure.thunk.org) by imap.thunk.org with local-esmtp (Exim 4.80) (envelope-from ) id 1WZ6pW-0004k6-4b; Sat, 12 Apr 2014 22:55:22 +0000 Received: by closure.thunk.org (Postfix, from userid 15806) id 4644A5802D7; Sat, 12 Apr 2014 18:55:21 -0400 (EDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=thunk.org; s=mail; t=1397343321; bh=blf0MNn/FwCTCckto3I2aqHXmTqEk1KB3nPN/RlcSCs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=MuE7tGApdpxHQTixaIW31U5EYWlrxzTFdLZ2+o7DFUrDWyv1Nvneo7FetSteggnS8 WCnc4LPastE+H4M0sE0392gI+ihIe9/ujMpA2cUWYuAUJmFMxVei5uRcnz2kzuuCSI mvu83thJrp+xws5K1q4/urPctduW6a8sh+n9v3vQ= From: Theodore Ts'o To: xfs@oss.sgi.com Cc: Ext4 Developers List , Theodore Ts'o Subject: [PATCH 3/3] generic/237: fix filtering for expected failure message Date: Sat, 12 Apr 2014 18:55:17 -0400 X-ASG-Orig-Subj: [PATCH 3/3] generic/237: fix filtering for expected failure message Message-Id: <1397343317-14669-4-git-send-email-tytso@mit.edu> X-Mailer: git-send-email 1.9.0 In-Reply-To: <1397343317-14669-1-git-send-email-tytso@mit.edu> References: <1397343317-14669-1-git-send-email-tytso@mit.edu> X-SA-Exim-Connect-IP: X-SA-Exim-Mail-From: tytso@thunk.org X-SA-Exim-Scanned: No (on imap.thunk.org); SAEximRunCond expanded to false X-Barracuda-Connect: imap.thunk.org[74.207.234.97] X-Barracuda-Start-Time: 1397343328 X-Barracuda-Encrypted: AES128-SHA X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.60 X-Barracuda-Spam-Status: No, SCORE=0.60 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=DKIM_SIGNED, MARKETING_SUBJECT X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4836 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.60 MARKETING_SUBJECT Subject contains popular marketing words 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature Newer kernels return EACCES instead of EPERM when modifying an acl fails. Update the filtering to handle this. Signed-off-by: "Theodore Ts'o" --- tests/generic/237 | 2 +- tests/generic/237.out | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/tests/generic/237 b/tests/generic/237 index 6a61ec8..b068150 100755 --- a/tests/generic/237 +++ b/tests/generic/237 @@ -68,7 +68,7 @@ touch file1 chown $acl1.$acl1 file1 echo "Expect to FAIL" -$runas -u $acl2 -g $acl2 -- `which setfacl` -m u::rwx file1 2>&1 | sed 's/^setfacl: \/.*file1: Operation not permitted$/setfacl: file1: Operation not permitted/' +$runas -u $acl2 -g $acl2 -- `which setfacl` -m u::rwx file1 2>&1 | sed -e 's/Permission denied/Operation not permitted/' -e 's/file1: //' -e 's,[/a-zA-Z]*setfacl: ,setfacl: ,' echo "Test over." # success, all done diff --git a/tests/generic/237.out b/tests/generic/237.out index 09d98c6..4edafa6 100644 --- a/tests/generic/237.out +++ b/tests/generic/237.out @@ -1,4 +1,4 @@ QA output created by 237 Expect to FAIL -setfacl: file1: Operation not permitted +setfacl: Operation not permitted Test over. -- 1.9.0 From tytso@thunk.org Sat Apr 12 17:55:33 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 8A1737F5D for ; Sat, 12 Apr 2014 17:55:33 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id 502EB30407E for ; Sat, 12 Apr 2014 15:55:33 -0700 (PDT) X-ASG-Debug-ID: 1397343328-04bdf07dc816a3f0001-NocioJ Received: from imap.thunk.org (imap.thunk.org [74.207.234.97]) by cuda.sgi.com with ESMTP id Gf1RqtYmmCeusYJy (version=TLSv1 cipher=AES128-SHA bits=128 verify=NO) for ; Sat, 12 Apr 2014 15:55:28 -0700 (PDT) X-Barracuda-Envelope-From: tytso@thunk.org X-Barracuda-Apparent-Source-IP: 74.207.234.97 Received: from root (helo=closure.thunk.org) by imap.thunk.org with local-esmtp (Exim 4.80) (envelope-from ) id 1WZ6pW-0004k8-5Z; Sat, 12 Apr 2014 22:55:22 +0000 Received: by closure.thunk.org (Postfix, from userid 15806) id 380A55802BA; Sat, 12 Apr 2014 18:55:21 -0400 (EDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=thunk.org; s=mail; t=1397343321; bh=CQajIs80KgBlhbKPNEGlsWESlDWpkv/vQjzn7P4BahY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=BudQRFs5XyH4ijee1IO4Zits/1NIjTo0WTLYAA1eVDPtr2NWZltsOOmcLRCd/Ei+1 Lqkqc/sQapDzepnz9TI0TSZ1bktppszLQp8zHkK0pCFHSbGVJXISTrUzdmTzrgUJM6 jN4zVulsVd2MlZaclFGrT2lzY9MPt5CrIqH9P0eo= From: Theodore Ts'o To: xfs@oss.sgi.com Cc: Ext4 Developers List , Theodore Ts'o , Lukas Czerner Subject: [PATCH 2/3] generic/022: update expected output after the test was renamed Date: Sat, 12 Apr 2014 18:55:16 -0400 X-ASG-Orig-Subj: [PATCH 2/3] generic/022: update expected output after the test was renamed Message-Id: <1397343317-14669-3-git-send-email-tytso@mit.edu> X-Mailer: git-send-email 1.9.0 In-Reply-To: <1397343317-14669-1-git-send-email-tytso@mit.edu> References: <1397343317-14669-1-git-send-email-tytso@mit.edu> X-SA-Exim-Connect-IP: X-SA-Exim-Mail-From: tytso@thunk.org X-SA-Exim-Scanned: No (on imap.thunk.org); SAEximRunCond expanded to false X-Barracuda-Connect: imap.thunk.org[74.207.234.97] X-Barracuda-Start-Time: 1397343328 X-Barracuda-Encrypted: AES128-SHA X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.60 X-Barracuda-Spam-Status: No, SCORE=0.60 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=DKIM_SIGNED, MARKETING_SUBJECT X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4836 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.60 MARKETING_SUBJECT Subject contains popular marketing words 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature After generic/022 was renamed by commit 21723cdb, the wrong test number was put into generic/022.out. Fix this. Signed-off-by: "Theodore Ts'o" Cc: Lukas Czerner --- tests/generic/022.out | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tests/generic/022.out b/tests/generic/022.out index 96c2d33..fbffa59 100644 --- a/tests/generic/022.out +++ b/tests/generic/022.out @@ -1,4 +1,4 @@ -QA output created by 009 +QA output created by 022 1. into a hole f4f35d60b3cc18aaa6d8d92f0cd3708a 2. into allocated space -- 1.9.0 From service59@hlrichl.com Sat Apr 12 17:59:44 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: *** X-Spam-Status: No, score=3.0 required=5.0 tests=AXB_XMAILER_MIMEOLE_OL_E023A, HTML_MESSAGE,T_DKIM_INVALID autolearn=no version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id C8D6D7F4E for ; Sat, 12 Apr 2014 17:59:44 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id 8D4AE30407E for ; 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Sat, 12 Apr 2014 18:03:07 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 2C05E8F8049 for ; Sat, 12 Apr 2014 16:03:03 -0700 (PDT) X-ASG-Debug-ID: 1397343782-04cbb00dc616e480001-NocioJ Received: from imap.thunk.org (imap.thunk.org [74.207.234.97]) by cuda.sgi.com with ESMTP id a42CipOQxgflM5DA (version=TLSv1 cipher=AES128-SHA bits=128 verify=NO) for ; Sat, 12 Apr 2014 16:03:02 -0700 (PDT) X-Barracuda-Envelope-From: tytso@thunk.org X-Barracuda-Apparent-Source-IP: 74.207.234.97 Received: from root (helo=closure.thunk.org) by imap.thunk.org with local-esmtp (Exim 4.80) (envelope-from ) id 1WZ6ww-000510-HA; Sat, 12 Apr 2014 23:03:02 +0000 Received: by closure.thunk.org (Postfix, from userid 15806) id BB5EF58026D; Sat, 12 Apr 2014 19:03:01 -0400 (EDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=thunk.org; s=mail; t=1397343781; bh=1Hbs+zNlDP0J2w9LGk7PA6lLg0Fi7CuVLiZkYB0gL5w=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=JDit08hzFak109zAapa1B48gMACZjgS1KcAYneqggffsVpalRM0g+aLnZjVPs4/m+ y5tyE/FyR1eyK2PFFHfHb6EJP0IC6vAnZG+bUlJKGuH8nQQtfHgwUSNRex2GMqIoSd 4RW/LTV+CoJktGIKPH12V41CHGqdKExGLXIkGXi8= Date: Sat, 12 Apr 2014 19:03:01 -0400 From: Theodore Ts'o To: xfs@oss.sgi.com Cc: Ext4 Developers List Subject: Re: [PATCH] ext4: add a new spinlock i_raw_lock to protect the ext4's raw inode Message-ID: <20140412230301.GB14599@thunk.org> X-ASG-Orig-Subj: Re: [PATCH] ext4: add a new spinlock i_raw_lock to protect the ext4's raw inode References: <1397343317-14669-1-git-send-email-tytso@mit.edu> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1397343317-14669-1-git-send-email-tytso@mit.edu> User-Agent: Mutt/1.5.23 (2014-03-12) X-SA-Exim-Connect-IP: X-SA-Exim-Mail-From: tytso@thunk.org X-SA-Exim-Scanned: No (on imap.thunk.org); SAEximRunCond expanded to false X-Barracuda-Connect: imap.thunk.org[74.207.234.97] X-Barracuda-Start-Time: 1397343782 X-Barracuda-Encrypted: AES128-SHA X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=DKIM_SIGNED X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4836 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature On Sat, Apr 12, 2014 at 06:55:14PM -0400, Theodore Ts'o wrote: > To avoid potential data races, use a spinlock which protects the raw > (on-disk) inode. > > Signed-off-by: "Theodore Ts'o" Sigh, sorry, left over patch in the /tmp/p directory. Please ignore.... - Ted From tytso@thunk.org Sat Apr 12 18:13:16 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 2C9F07F4E for ; Sat, 12 Apr 2014 18:13:16 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id 084ED304075 for ; Sat, 12 Apr 2014 16:13:12 -0700 (PDT) X-ASG-Debug-ID: 1397344391-04cbb00dc516e970001-NocioJ Received: from imap.thunk.org (imap.thunk.org [74.207.234.97]) by cuda.sgi.com with ESMTP id Kqi38L0rjur8PWS1 (version=TLSv1 cipher=AES128-SHA bits=128 verify=NO) for ; Sat, 12 Apr 2014 16:13:11 -0700 (PDT) X-Barracuda-Envelope-From: tytso@thunk.org X-Barracuda-Apparent-Source-IP: 74.207.234.97 Received: from root (helo=closure.thunk.org) by imap.thunk.org with local-esmtp (Exim 4.80) (envelope-from ) id 1WZ76k-00051f-PM; Sat, 12 Apr 2014 23:13:10 +0000 Received: by closure.thunk.org (Postfix, from userid 15806) id F25FA58026D; Sat, 12 Apr 2014 19:13:09 -0400 (EDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=thunk.org; s=mail; t=1397344390; bh=kjBwXz3xp1NshErwbL250DOl9L7M3/UBQaN8Q6WPfoE=; h=From:To:Cc:Subject:Date:From; b=WpNg5mPn1T9Ci0L4Z6F+IB+WeZE8KlXXuaBpypxSJ1qKjH5E1qgZus0TzUj6a/oLg KFdRx/u4LLCSgNMcDAMbk9LmVmZ/bbCVosvoEhWKahUNJJp6Cx6O1lL7HSd4WaofY+ YgUrH9G7tDLbMGvTj5DekT7kLtqqWU7r/L24duAU= From: Theodore Ts'o To: xfs@oss.sgi.com Cc: Ext4 Developers List , Theodore Ts'o , Miklos Szeredi Subject: [PATCH] renameat2: add system call number for i386 Date: Sat, 12 Apr 2014 19:13:04 -0400 X-ASG-Orig-Subj: [PATCH] renameat2: add system call number for i386 Message-Id: <1397344384-15302-1-git-send-email-tytso@mit.edu> X-Mailer: git-send-email 1.9.0 X-SA-Exim-Connect-IP: X-SA-Exim-Mail-From: tytso@thunk.org X-SA-Exim-Scanned: No (on imap.thunk.org); SAEximRunCond expanded to false X-Barracuda-Connect: imap.thunk.org[74.207.234.97] X-Barracuda-Start-Time: 1397344391 X-Barracuda-Encrypted: AES128-SHA X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=DKIM_SIGNED X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4836 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature Signed-off-by: "Theodore Ts'o" Cc: Miklos Szeredi --- src/renameat2.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/src/renameat2.c b/src/renameat2.c index 5145959..8613aa9 100644 --- a/src/renameat2.c +++ b/src/renameat2.c @@ -14,6 +14,10 @@ #define SYS_renameat2 316 #endif +#if !defined(SYS_renameat2) && defined(__i386__) +#define SYS_renameat2 353 +#endif + static int renameat2(int dfd1, const char *path1, int dfd2, const char *path2, unsigned int flags) -- 1.9.0 From webmaster@vserver2014.net.in Sat Apr 12 18:52:23 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: *** X-Spam-Status: No, score=3.0 required=5.0 tests=FORGED_HOTMAIL_RCVD2, FORGED_MUA_THEBAT_BOUN,FREEMAIL_FROM,HTML_MESSAGE autolearn=no version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id EB6C27F4E for ; Sat, 12 Apr 2014 18:52:23 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id CC3818F8035 for ; Sat, 12 Apr 2014 16:52:22 -0700 (PDT) X-ASG-Debug-ID: 1397346738-04cb6c77b4162130001-NocioJ Received: from vserver2014.net.in (155.29.219.91.colo.ukrservers.com [91.219.29.155]) by cuda.sgi.com with ESMTP id 3KLdSoTUJN9nFlhc (version=TLSv1 cipher=AES128-SHA bits=128 verify=NO) for ; Sat, 12 Apr 2014 16:52:19 -0700 (PDT) X-Barracuda-Envelope-From: webmaster@vserver2014.net.in X-Barracuda-Apparent-Source-IP: 91.219.29.155 Received: from www-data by vserver2014.net.in with local (Exim 4.80) (envelope-from ) id 1WZ7iS-0007v3-K3; Sun, 13 Apr 2014 03:52:08 +0400 To: , , , , , , , , , , , , , , Subject: =?windows-1251?B?wfDu8ejy/CDq8/Do8vwgLSDv8O7x8u4hIMz7?= =?windows-1251?B?IPDg8fHq4Obl7Cwg6uDqIPHg7O7x8u7/8uXr?= =?windows-1251?B?/O3uIOHw7vHo8vwg6vPw6PL8IQ==?= X-PHP-Originating-Script: 500:mailout.php X-ASG-Orig-Subj: =?windows-1251?B?wfDu8ejy/CDq8/Do8vwgLSDv8O7x8u4hIMz7?= =?windows-1251?B?IPDg8fHq4Obl7Cwg6uDqIPHg7O7x8u7/8uXr?= =?windows-1251?B?/O3uIOHw7vHo8vwg6vPw6PL8IQ==?= X-Mailer: The Bat! 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------=_NextPart_000_12A1_01CF56CB.BDDDC010-- From sandeen@sandeen.net Sat Apr 12 23:06:13 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 873847F4E for ; Sat, 12 Apr 2014 23:06:13 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id 5B183304075 for ; Sat, 12 Apr 2014 21:06:09 -0700 (PDT) X-ASG-Debug-ID: 1397361965-04cbb00dc61780f0001-NocioJ Received: from sandeen.net (sandeen.net [63.231.237.45]) by cuda.sgi.com with ESMTP id KyIjWHJpu5DBUp8f for ; Sat, 12 Apr 2014 21:06:05 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@sandeen.net X-Barracuda-Apparent-Source-IP: 63.231.237.45 Received: from liberator.sandeen.net (liberator.sandeen.net [10.0.0.4]) (using TLSv1 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (No client certificate requested) by sandeen.net (Postfix) with ESMTPSA id 2F5E263C5FC2; Sat, 12 Apr 2014 23:06:05 -0500 (CDT) Message-ID: <534A0D2C.409@sandeen.net> Date: Sat, 12 Apr 2014 23:06:04 -0500 From: Eric Sandeen User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:24.0) Gecko/20100101 Thunderbird/24.4.0 MIME-Version: 1.0 To: Theodore Ts'o , xfs@oss.sgi.com CC: Christoph Hellwig , Ext4 Developers List Subject: Re: [PATCH 1/3] generic/004: fix filtering of expected error message References: <1397343317-14669-1-git-send-email-tytso@mit.edu> <1397343317-14669-2-git-send-email-tytso@mit.edu> X-ASG-Orig-Subj: Re: [PATCH 1/3] generic/004: fix filtering of expected error message In-Reply-To: <1397343317-14669-2-git-send-email-tytso@mit.edu> X-Enigmail-Version: 1.6 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Barracuda-Connect: sandeen.net[63.231.237.45] X-Barracuda-Start-Time: 1397361965 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.60 X-Barracuda-Spam-Status: No, SCORE=0.60 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=MARKETING_SUBJECT X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4843 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.60 MARKETING_SUBJECT Subject contains popular marketing words On 4/12/14, 5:55 PM, Theodore Ts'o wrote: > The failure message goes to stderr, so we need to redirect stderr to > stdout before running sed. Heh, whoops. Reviewed-by: Eric Sandeen > Signed-off-by: "Theodore Ts'o" > Cc: Christoph Hellwig > --- > tests/generic/004 | 2 +- > tests/generic/004.out | 2 +- > 2 files changed, 2 insertions(+), 2 deletions(-) > > diff --git a/tests/generic/004 b/tests/generic/004 > index 406c29e..23ca349 100755 > --- a/tests/generic/004 > +++ b/tests/generic/004 > @@ -58,7 +58,7 @@ $XFS_IO_PROG -T \ > rm ${testfile} > > # test creating a r/o tmpfile. Should fail > -$XFS_IO_PROG -Tr ${TEST_DIR} -c "close" | _filter_test_dir > +$XFS_IO_PROG -Tr ${TEST_DIR} -c "close" 2>&1 | _filter_test_dir > > # success, all done > status=0 > diff --git a/tests/generic/004.out b/tests/generic/004.out > index b85c11c..527b2c2 100644 > --- a/tests/generic/004.out > +++ b/tests/generic/004.out > @@ -3,4 +3,4 @@ wrote 4096/4096 bytes at offset 0 > XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) > read 4096/4096 bytes at offset 0 > XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) > -/mnt/test: Invalid argument > +TEST_DIR: Invalid argument > From sandeen@sandeen.net Sat Apr 12 23:07:19 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 80A5B7F53 for ; Sat, 12 Apr 2014 23:07:19 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id F4005AC001 for ; Sat, 12 Apr 2014 21:07:15 -0700 (PDT) X-ASG-Debug-ID: 1397362034-04cbb00dc51781e0001-NocioJ Received: from sandeen.net (sandeen.net [63.231.237.45]) by cuda.sgi.com with ESMTP id 2aXePdr9u4hadst4 for ; Sat, 12 Apr 2014 21:07:14 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@sandeen.net X-Barracuda-Apparent-Source-IP: 63.231.237.45 Received: from liberator.sandeen.net (liberator.sandeen.net [10.0.0.4]) (using TLSv1 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (No client certificate requested) by sandeen.net (Postfix) with ESMTPSA id 5CC8B63C5FC2; Sat, 12 Apr 2014 23:07:14 -0500 (CDT) Message-ID: <534A0D72.10304@sandeen.net> Date: Sat, 12 Apr 2014 23:07:14 -0500 From: Eric Sandeen User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:24.0) Gecko/20100101 Thunderbird/24.4.0 MIME-Version: 1.0 To: Theodore Ts'o , xfs@oss.sgi.com CC: Lukas Czerner , Ext4 Developers List Subject: Re: [PATCH 2/3] generic/022: update expected output after the test was renamed References: <1397343317-14669-1-git-send-email-tytso@mit.edu> <1397343317-14669-3-git-send-email-tytso@mit.edu> X-ASG-Orig-Subj: Re: [PATCH 2/3] generic/022: update expected output after the test was renamed In-Reply-To: <1397343317-14669-3-git-send-email-tytso@mit.edu> X-Enigmail-Version: 1.6 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Barracuda-Connect: sandeen.net[63.231.237.45] X-Barracuda-Start-Time: 1397362034 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.60 X-Barracuda-Spam-Status: No, SCORE=0.60 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=MARKETING_SUBJECT X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4843 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.60 MARKETING_SUBJECT Subject contains popular marketing words On 4/12/14, 5:55 PM, Theodore Ts'o wrote: > After generic/022 was renamed by commit 21723cdb, the wrong test > number was put into generic/022.out. Fix this. > > Signed-off-by: "Theodore Ts'o" > Cc: Lukas Czerner Lukas sent this a couple days ago as well. In any case, again, Reviewed-by: Eric Sandeen > --- > tests/generic/022.out | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/tests/generic/022.out b/tests/generic/022.out > index 96c2d33..fbffa59 100644 > --- a/tests/generic/022.out > +++ b/tests/generic/022.out > @@ -1,4 +1,4 @@ > -QA output created by 009 > +QA output created by 022 > 1. into a hole > f4f35d60b3cc18aaa6d8d92f0cd3708a > 2. into allocated space > From webmaster@getit18.livemailz.com Sun Apr 13 00:34:35 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id C36907F53 for ; Sun, 13 Apr 2014 00:34:35 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id A60C8304071 for ; Sat, 12 Apr 2014 22:34:32 -0700 (PDT) X-ASG-Debug-ID: 1397367266-04cb6c77b616cf10001-NocioJ Received: from server.livemailz.com (server.livemailz.com [115.124.106.32]) by cuda.sgi.com with ESMTP id b0ddZvW6HGasPlFD (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Sat, 12 Apr 2014 22:34:28 -0700 (PDT) X-Barracuda-Envelope-From: webmaster@getit18.livemailz.com X-Barracuda-Apparent-Source-IP: 115.124.106.32 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=getit18.livemailz.com; s=default; h=Content-Type:Content-Transfer-Encoding:MIME-Version:List-Unsubscribe:Message-ID:Reply-To:From:Date:Subject:To; bh=lhesBRxHSt7l0NvtdtThdZe1z9ASv57eFgg4QXYezss=; b=N7f5Gz0yYyDq4Zr4tNAcYx6evO2xCZoRFn4+iaqDqGOGX9+CHkiQAGPXFPUdXIyJ3oHyabfG4h7h3ya8WeIm4Q1ocoRzKh11nRPNsCv343kqk+JHO5rhlaiEYkefSYQvAaJGL9EX71C9AXSv3qctnV9D75CkLShzkw7GnW9JpYM=; Received: from getit18l by server.livemailz.com with local (Exim 4.82) (envelope-from ) id 1WZD3f-0002FE-2u for xfs@oss.sgi.com; Sun, 13 Apr 2014 11:04:23 +0530 To: xfs@oss.sgi.com Subject: Goodbye from our newsletter X-PHP-Script: getit18.livemailz.com/mailz/index.php for 66.249.79.86 X-ASG-Orig-Subj: Goodbye from our newsletter Received: from crawl-66-249-79-86.googlebot.com [66.249.79.86] by getit18.livemailz.com with HTTP; Sun, 13 Apr 2014 05:34:22 +0000 Date: Sun, 13 Apr 2014 05:34:23 +0000 From: Webmaster Reply-To: Webmaster Message-ID: <3f3f87f013a32860412c2f3b72593162@getit18.livemailz.com> X-Priority: 3 X-Mailer: PHPMailer 5.2.5 (https://github.com/Synchro/PHPMailer/) X-phpList-version: 3.0.5 X-MessageID: systemmessage X-ListMember: xfs@oss.sgi.com Precedence: bulk Bounces-To: webmaster@getit18.livemailz.com List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=UTF-8 X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - server.livemailz.com X-AntiAbuse: Original Domain - oss.sgi.com X-AntiAbuse: Originator/Caller UID/GID - [526 32007] / [47 12] X-AntiAbuse: Sender Address Domain - getit18.livemailz.com X-Get-Message-Sender-Via: server.livemailz.com: authenticated_id: getit18l/from_h X-Source: /usr/bin/php X-Source-Args: /usr/bin/php /home/getit18l/public_html/mailz/index.php X-Source-Dir: getit18.livemailz.com:/public_html/mailz X-Barracuda-Connect: server.livemailz.com[115.124.106.32] X-Barracuda-Start-Time: 1397367267 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=DKIM_SIGNED X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4845 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature Goodbye from our Newsletter, sorry to see you go. 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Thank you From BATV+40a7f56111a05785034f+3885+infradead.org+hch@bombadil.srs.infradead.org Sun Apr 13 03:17:44 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 417A57F56 for ; Sun, 13 Apr 2014 03:17:44 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 2811C8F8037 for ; Sun, 13 Apr 2014 01:17:44 -0700 (PDT) X-ASG-Debug-ID: 1397377058-04cb6c77b71716c0001-NocioJ Received: from bombadil.infradead.org ([198.137.202.9]) by cuda.sgi.com with ESMTP id HmSKDaBwGTphblqt (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Sun, 13 Apr 2014 01:17:39 -0700 (PDT) X-Barracuda-Envelope-From: BATV+40a7f56111a05785034f+3885+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.80.1 #2 (Red Hat Linux)) id 1WZFbe-0001UT-PI; Sun, 13 Apr 2014 08:17:38 +0000 Date: Sun, 13 Apr 2014 01:17:38 -0700 From: Christoph Hellwig To: Theodore Ts'o Cc: xfs@oss.sgi.com, Ext4 Developers List Subject: Re: [PATCH 3/3] generic/237: fix filtering for expected failure message Message-ID: <20140413081738.GA5331@infradead.org> X-ASG-Orig-Subj: Re: [PATCH 3/3] generic/237: fix filtering for expected failure message References: <1397343317-14669-1-git-send-email-tytso@mit.edu> <1397343317-14669-4-git-send-email-tytso@mit.edu> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1397343317-14669-4-git-send-email-tytso@mit.edu> User-Agent: Mutt/1.5.21 (2010-09-15) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html X-Barracuda-Connect: UNKNOWN[198.137.202.9] X-Barracuda-Start-Time: 1397377059 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.70 X-Barracuda-Spam-Status: No, SCORE=0.70 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=MARKETING_SUBJECT, RDNS_NONE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4849 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.60 MARKETING_SUBJECT Subject contains popular marketing words 0.10 RDNS_NONE Delivered to trusted network by a host with no rDNS On Sat, Apr 12, 2014 at 06:55:17PM -0400, Theodore Ts'o wrote: > Newer kernels return EACCES instead of EPERM when modifying an acl > fails. Update the filtering to handle this. > > Signed-off-by: "Theodore Ts'o" I've not seen this yet. What exact configuration do you use to get the error? From tytso@thunk.org Sun Apr 13 07:44:03 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id DEE727F4E for ; Sun, 13 Apr 2014 07:44:03 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id AE7B930407F for ; Sun, 13 Apr 2014 05:44:00 -0700 (PDT) X-ASG-Debug-ID: 1397393038-04cbb00dc5187ff0001-NocioJ Received: from imap.thunk.org (imap.thunk.org [74.207.234.97]) by cuda.sgi.com with ESMTP id tsMknQpwCGARbi0R (version=TLSv1 cipher=AES128-SHA bits=128 verify=NO) for ; Sun, 13 Apr 2014 05:43:59 -0700 (PDT) X-Barracuda-Envelope-From: tytso@thunk.org X-Barracuda-Apparent-Source-IP: 74.207.234.97 Received: from root (helo=closure.thunk.org) by imap.thunk.org with local-esmtp (Exim 4.80) (envelope-from ) id 1WZJlK-0001uL-QA; Sun, 13 Apr 2014 12:43:54 +0000 Received: by closure.thunk.org (Postfix, from userid 15806) id E25D458026D; Sun, 13 Apr 2014 08:43:53 -0400 (EDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=thunk.org; s=mail; t=1397393033; bh=zGprqsHwsf3qYWB8BtMGnO4kFK4mdvOJuQqn8FIe/3M=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=yNZCYaMFhAtNRb80fElTi5Xb+lqEbyuGavWg9cM3PS7VEF9FH23AeqnnfSIH3f5kb gMWZeRV0K42c2a3YOGDsY2EtC3cfR4I8a9bHYdvmMwjay7GDBzrcVQ3RF+hT0XWaj5 sLPrIfEII1BtbSsoz86J1H6q3fX2hgrQ76HssLvQ= Date: Sun, 13 Apr 2014 08:43:53 -0400 From: Theodore Ts'o To: Christoph Hellwig Cc: xfs@oss.sgi.com, Ext4 Developers List Subject: Re: [PATCH 3/3] generic/237: fix filtering for expected failure message Message-ID: <20140413124353.GD14599@thunk.org> X-ASG-Orig-Subj: Re: [PATCH 3/3] generic/237: fix filtering for expected failure message References: <1397343317-14669-1-git-send-email-tytso@mit.edu> <1397343317-14669-4-git-send-email-tytso@mit.edu> <20140413081738.GA5331@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140413081738.GA5331@infradead.org> User-Agent: Mutt/1.5.23 (2014-03-12) X-SA-Exim-Connect-IP: X-SA-Exim-Mail-From: tytso@thunk.org X-SA-Exim-Scanned: No (on imap.thunk.org); SAEximRunCond expanded to false X-Barracuda-Connect: imap.thunk.org[74.207.234.97] X-Barracuda-Start-Time: 1397393039 X-Barracuda-Encrypted: AES128-SHA X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.60 X-Barracuda-Spam-Status: No, SCORE=0.60 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=DKIM_SIGNED, MARKETING_SUBJECT X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4854 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.60 MARKETING_SUBJECT Subject contains popular marketing words 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature On Sun, Apr 13, 2014 at 01:17:38AM -0700, Christoph Hellwig wrote: > On Sat, Apr 12, 2014 at 06:55:17PM -0400, Theodore Ts'o wrote: > > Newer kernels return EACCES instead of EPERM when modifying an acl > > fails. Update the filtering to handle this. > > > > Signed-off-by: "Theodore Ts'o" > > I've not seen this yet. What exact configuration do you use to get the > error? I was using a 32-bit kernel, using a recent Linus upstream. The bug was showing up for both ext4 and xfs, and xfstests-bld is using a very recent version of the acl package? If you're not seeing it, perhaps the most likely cause would be the fact that I was using an i386 kernel, and/or the version of the acl userspace package found in kvm-xfstests? If you want a repro, you could grab: git://git.kernel.org/pub/scm/fs/ext2/xfstests-bld.git and then building the per the README. If you don't have a Debian testing system conviently to hand, you could pull down: https://www.kernel.org/pub/linux/kernel/people/tytso/kvm-xfstests/root_fs.img.i386 ... and then update the image to have the xfstests upstream version of /root/xfstests/tests/generic/237*. 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------=_NextPart_000_1AC9_01CF5749.E9601110-- From david@fromorbit.com Sun Apr 13 18:40:11 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 60C8D7F4E for ; Sun, 13 Apr 2014 18:40:11 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id F3CE4AC004 for ; Sun, 13 Apr 2014 16:40:07 -0700 (PDT) X-ASG-Debug-ID: 1397432401-04bdf07dcc1a1760001-NocioJ Received: from ipmail06.adl6.internode.on.net (ipmail06.adl6.internode.on.net [150.101.137.145]) by cuda.sgi.com with ESMTP id dOsHKWMb1E9FCqwL for ; Sun, 13 Apr 2014 16:40:02 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.145 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: Ao1TACEfS1N5LEcvPGdsb2JhbABZDoJ4g1CFC7VxhV2BGRcDAQEBATg1giUBAQEEOhwjEAgDGAklDwUlAwcaE4d7yloXFo5YB4MkgRQEmGCKZYpQUis Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail06.adl6.internode.on.net with ESMTP; 14 Apr 2014 09:10:00 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WZU0E-00071P-6V; Mon, 14 Apr 2014 09:39:58 +1000 Date: Mon, 14 Apr 2014 09:39:58 +1000 From: Dave Chinner To: Theodore Ts'o Cc: Lukas Czerner , linux-fsdevel@vger.kernel.org, ceph-devel@vger.kernel.org, linux-ext4@vger.kernel.org, xfs@oss.sgi.com Subject: Re: [PATCH 3/4] fs: Remove i_size check from do_fallocate Message-ID: <20140413233958.GB27694@dastard> X-ASG-Orig-Subj: Re: [PATCH 3/4] fs: Remove i_size check from do_fallocate References: <1397242665-2183-1-git-send-email-lczerner@redhat.com> <1397242665-2183-3-git-send-email-lczerner@redhat.com> <20140412135906.GC13837@thunk.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140412135906.GC13837@thunk.org> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail06.adl6.internode.on.net[150.101.137.145] X-Barracuda-Start-Time: 1397432402 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4878 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Sat, Apr 12, 2014 at 09:59:06AM -0400, Theodore Ts'o wrote: > On Fri, Apr 11, 2014 at 08:57:44PM +0200, Lukas Czerner wrote: > > Currently in do_fallocate in collapse range case we're checking whether > > offset + len is not bigger than i_size. However there is nothing which > > would prevent i_size from changing so the check is pointless. It should > > be done in the file system itself and the file system needs to make sure > > that i_size is not going to change. > > > > As it is now we can easily crash kernel by having two processes doing > > truncate and fallocate collapse range at the same time. This can be > > reproduced on ext4 and it is theoretically possible on xfs even though I > > was not able to trigger it with this simple test. > > > > This commit removes the check from do_fallocate and adds it to the file > > system. > > > > Signed-off-by: Lukas Czerner > > --- > > fs/ext4/extents.c | 11 +++++++++-- > > fs/open.c | 8 -------- > > fs/xfs/xfs_file.c | 10 +++++++++- > > 3 files changed, 18 insertions(+), 11 deletions(-) > > Looks good to me. Do the xfs folks mind if I carry this in the ext4 > tree and push it to Linus shortly after -rc1? If so, please send me > an ack'ed by. No, go ahead. I was going to do the same thing, anyway, if nobody else beat me to it... Acked-by: Dave Chinner Cheers, Dave -- Dave Chinner david@fromorbit.com From david@fromorbit.com Sun Apr 13 19:14:18 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 401337F4E for ; Sun, 13 Apr 2014 19:14:18 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 193488F8037 for ; Sun, 13 Apr 2014 17:14:14 -0700 (PDT) X-ASG-Debug-ID: 1397434452-04cbb00dc31a5900001-NocioJ Received: from ipmail06.adl6.internode.on.net (ipmail06.adl6.internode.on.net [150.101.137.145]) by cuda.sgi.com with ESMTP id tLYOyve8YGK8c9yz for ; Sun, 13 Apr 2014 17:14:13 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.145 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AtpOAFsnS1N5LEcvPGdsb2JhbABaDoJ4g1CFC7VxhV2BHBcDAQEBATg1giUBAQEEOhwjEAgDGAklDwUlAwcaE4d7ynQXFo5YB4MkgRQEmGCVNVIr Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail06.adl6.internode.on.net with ESMTP; 14 Apr 2014 09:44:11 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WZUXI-000752-Hh; Mon, 14 Apr 2014 10:14:08 +1000 Date: Mon, 14 Apr 2014 10:14:08 +1000 From: Dave Chinner To: Theodore Ts'o Cc: xfs@oss.sgi.com, Ext4 Developers List Subject: Re: [PATCH 3/3] generic/237: fix filtering for expected failure message Message-ID: <20140414001408.GC27694@dastard> X-ASG-Orig-Subj: Re: [PATCH 3/3] generic/237: fix filtering for expected failure message References: <1397343317-14669-1-git-send-email-tytso@mit.edu> <1397343317-14669-4-git-send-email-tytso@mit.edu> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1397343317-14669-4-git-send-email-tytso@mit.edu> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail06.adl6.internode.on.net[150.101.137.145] X-Barracuda-Start-Time: 1397434452 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.60 X-Barracuda-Spam-Status: No, SCORE=0.60 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=MARKETING_SUBJECT X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4878 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.60 MARKETING_SUBJECT Subject contains popular marketing words On Sat, Apr 12, 2014 at 06:55:17PM -0400, Theodore Ts'o wrote: > Newer kernels return EACCES instead of EPERM when modifying an acl > fails. Update the filtering to handle this. > > Signed-off-by: "Theodore Ts'o" > --- > tests/generic/237 | 2 +- > tests/generic/237.out | 2 +- > 2 files changed, 2 insertions(+), 2 deletions(-) > > diff --git a/tests/generic/237 b/tests/generic/237 > index 6a61ec8..b068150 100755 > --- a/tests/generic/237 > +++ b/tests/generic/237 > @@ -68,7 +68,7 @@ touch file1 > chown $acl1.$acl1 file1 > > echo "Expect to FAIL" > -$runas -u $acl2 -g $acl2 -- `which setfacl` -m u::rwx file1 2>&1 | sed 's/^setfacl: \/.*file1: Operation not permitted$/setfacl: file1: Operation not permitted/' > +$runas -u $acl2 -g $acl2 -- `which setfacl` -m u::rwx file1 2>&1 | sed -e 's/Permission denied/Operation not permitted/' -e 's/file1: //' -e 's,[/a-zA-Z]*setfacl: ,setfacl: ,' This is getting unweildy. Can you factor this into a local _filter_setfacl_error function of some kind? It would also help if you put a comment iterating all the different output formats it's now trying to filter out, too. Cheers, Dave. -- Dave Chinner david@fromorbit.com From david@fromorbit.com Sun Apr 13 19:29:51 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 629097F4E for ; Sun, 13 Apr 2014 19:29:51 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id EADAFAC002 for ; Sun, 13 Apr 2014 17:29:47 -0700 (PDT) X-ASG-Debug-ID: 1397435385-04cbb00dc51a6180001-NocioJ Received: from ipmail06.adl6.internode.on.net (ipmail06.adl6.internode.on.net [150.101.137.145]) by cuda.sgi.com with ESMTP id ZduODMvw3ELZjlAW for ; Sun, 13 Apr 2014 17:29:45 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.145 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AttOANkqS1N5LEcvPGdsb2JhbABagwaDUIULtXGFXYEcFwMBAQEBODWCJQEBAQQ6HCMQCAMOCgklDwUNGAMHGhOHaAMQxAYNhmMXFow/ghkHgySBFAEDlnOBbYx1iRIr Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail06.adl6.internode.on.net with ESMTP; 14 Apr 2014 09:59:44 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WZUmN-00077A-1k; Mon, 14 Apr 2014 10:29:43 +1000 Date: Mon, 14 Apr 2014 10:29:43 +1000 From: Dave Chinner To: Eric Whitney Cc: xfs@oss.sgi.com, linux-ext4@vger.kernel.org Subject: Re: [PATCH] generic: add fallocate() checks to generic/300 Message-ID: <20140414002942.GD27694@dastard> X-ASG-Orig-Subj: Re: [PATCH] generic: add fallocate() checks to generic/300 References: <20140411214307.GC10174@wallace> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140411214307.GC10174@wallace> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail06.adl6.internode.on.net[150.101.137.145] X-Barracuda-Start-Time: 1397435385 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.60 X-Barracuda-Spam-Status: No, SCORE=0.60 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=MARKETING_SUBJECT X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4879 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.60 MARKETING_SUBJECT Subject contains popular marketing words On Fri, Apr 11, 2014 at 05:43:07PM -0400, Eric Whitney wrote: > Generic/300 fails when run on a test filesystem that does not support > fallocate(). It uses fio's falloc ioengine to generate part of its I/O > load and both allocates blocks and punches holes. This causes EOPNOTSUPP > failures when the test is run on indirect block-mapped ext4 filesystems > or pre-3.14 ext4 filesystems created with bigalloc. > > Verify that the test filesystem supports fallocate() before proceeding > with the test, checking for both block allocation and hole punching > capabilities. Also, delete any pre-existing test output. > > Signed-off-by: Eric Whitney Makes sense. Same for the second patch, too. Reviewed-by: Dave Chinner -- Dave Chinner david@fromorbit.com From david@fromorbit.com Sun Apr 13 19:49:50 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id A14657F4E for ; Sun, 13 Apr 2014 19:49:50 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 882EB304032 for ; Sun, 13 Apr 2014 17:49:47 -0700 (PDT) X-ASG-Debug-ID: 1397436583-04cb6c77b719a470001-NocioJ Received: from ipmail06.adl6.internode.on.net (ipmail06.adl6.internode.on.net [150.101.137.145]) by cuda.sgi.com with ESMTP id b9tO0J02grIZ9pa5 for ; Sun, 13 Apr 2014 17:49:43 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.145 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: Ar1QAJcvS1N5LEcvPGdsb2JhbABagwY7gxWFC6IbkX6BWIVdgR0XAwEBAQE4NYJmHCMYJDQFJQMHLYd7ywUWjlgdghgPZ4EUBJhggTeUUCs Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail06.adl6.internode.on.net with ESMTP; 14 Apr 2014 10:19:41 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WZV5e-0007BU-3N; Mon, 14 Apr 2014 10:49:38 +1000 Date: Mon, 14 Apr 2014 10:49:38 +1000 From: Dave Chinner To: xfs@oss.sgi.com Cc: linux-ext4@vger.kernel.org, linux-btrfs@vger.kernel.org Subject: [ANNOUNCE] xfstests: master branch updated to 249cc51 Message-ID: <20140414004938.GE27694@dastard> X-ASG-Orig-Subj: [ANNOUNCE] xfstests: master branch updated to 249cc51 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail06.adl6.internode.on.net[150.101.137.145] X-Barracuda-Start-Time: 1397436583 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4880 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- Hi folks, The xfstests repository at git://oss.sgi.com/xfs/cmds/xfstests has just been updated. Patches often get missed, so please check if your outstanding patches were in this update. If they have not been in this update, please resubmit them to xfs@oss.sgi.com so they can be picked up in the next update. This update includes tests for the new renameat2 syscall, and a bunch of fixes for the new config file format infrastructure. The new head of the master branch is commit: 249cc51 generic: add renameat2 system call number for i386 New Commits: Alexander Tsvetkov (1): [7e07c4b] generic/204: correct log size for XFS Eric Whitney (2): [2e9061f] generic/300: add fallocate() checks [f729616] generic/311: add fallocate() check Eryu Guan (1): [9f1a8e7] ext4/306: disable 64bit feature too Lukas Czerner (6): [f00a444] config: Fix SCRATCH_DEV_POOL handling [7407717] config: Unset SCRATCH_DEV when deduced from SCRATCH_DEV_POOL [e0f5daf] config: Fix setting FSTYP automatically [5138e74] config: fix specifying configuration value with equality sign [ed6d096] generic/022: Fix output file [a0e2d8e] config: Add -s option to run only specified sections Miklos Szeredi (4): [413f501] common: add infrastructure for renameat2 syscall tests [bdf2150] generic: check plain renameat2 syscall [1f98dd0] generic: check noreplace renameat2 syscall [3c9cd13] generic: check cross renameat2 syscall Theodore Ts'o (2): [dd8556c] generic/004: fix filtering of expected error message [249cc51] generic: add renameat2 system call number for i386 Wanlong Gao (1): [610e44c] check: fix wallclock wrapping problem Code Diffstat: .gitignore | 1 + README.config-sections | 30 ++++++++++++ check | 26 ++++++---- common/config | 35 +++++++++++--- common/renameat2 | 129 +++++++++++++++++++++++++++++++++++++++++++++++++ configure.ac | 2 + src/Makefile | 3 +- src/renameat2.c | 106 ++++++++++++++++++++++++++++++++++++++++ tests/ext4/306 | 2 +- tests/generic/004 | 2 +- tests/generic/004.out | 2 +- tests/generic/022.out | 2 +- tests/generic/023 | 57 ++++++++++++++++++++++ tests/generic/023.out | 51 +++++++++++++++++++ tests/generic/024 | 64 ++++++++++++++++++++++++ tests/generic/024.out | 51 +++++++++++++++++++ tests/generic/025 | 64 ++++++++++++++++++++++++ tests/generic/025.out | 51 +++++++++++++++++++ tests/generic/204 | 4 +- tests/generic/300 | 7 +++ tests/generic/311 | 6 ++- tests/generic/group | 3 ++ 22 files changed, 672 insertions(+), 26 deletions(-) create mode 100644 common/renameat2 create mode 100644 src/renameat2.c create mode 100755 tests/generic/023 create mode 100644 tests/generic/023.out create mode 100755 tests/generic/024 create mode 100644 tests/generic/024.out create mode 100755 tests/generic/025 create mode 100644 tests/generic/025.out mode change 100644 => 100755 tests/generic/311 -- Dave Chinner david@fromorbit.com From vanrees@antonvanrees.nl Sun Apr 13 20:15:20 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=FREEMAIL_FROM,HTML_MESSAGE autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 988077F4E for ; 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------=_NextPart_000_22D4_01CF57A0.7A3A51E0-- From david@fromorbit.com Sun Apr 13 20:22:41 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id C3B857F4E for ; Sun, 13 Apr 2014 20:22:41 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 4D2EFAC002 for ; Sun, 13 Apr 2014 18:22:40 -0700 (PDT) X-ASG-Debug-ID: 1397438558-04cb6c77b619b810001-NocioJ Received: from ipmail06.adl6.internode.on.net (ipmail06.adl6.internode.on.net [150.101.137.145]) by cuda.sgi.com with ESMTP id 0BcHLAnqzBFC2Tuk for ; Sun, 13 Apr 2014 18:22:38 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.145 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: ArlQANA3S1N5LEcvPGdsb2JhbABagwY7gxWFC6Ibk1aFXYEeFwMBAQEBODWCJQEBBTocIxAIGwklDwUlAwcth3vKdhcWjlgHFoMOgRQEmGCWBys Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail06.adl6.internode.on.net with ESMTP; 14 Apr 2014 10:52:28 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WZVbN-0007GB-TE; Mon, 14 Apr 2014 11:22:25 +1000 Date: Mon, 14 Apr 2014 11:22:25 +1000 From: Dave Chinner To: xfs@oss.sgi.com Cc: linux-ext4@vger.kernel.org, linux-btrfs@vger.kernel.org Subject: [ANNOUNCE] xfstests: master branch updated to 8874560 Message-ID: <20140414012225.GF27694@dastard> X-ASG-Orig-Subj: [ANNOUNCE] xfstests: master branch updated to 8874560 References: <20140414004938.GE27694@dastard> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140414004938.GE27694@dastard> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail06.adl6.internode.on.net[150.101.137.145] X-Barracuda-Start-Time: 1397438558 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4880 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Mon, Apr 14, 2014 at 10:49:38AM +1000, Dave Chinner wrote: > Hi folks, > > The xfstests repository at git://oss.sgi.com/xfs/cmds/xfstests has > just been updated. Patches often get missed, so please check if your > outstanding patches were in this update. If they have not been in > this update, please resubmit them to xfs@oss.sgi.com so they can be > picked up in the next update. > > This update includes tests for the new renameat2 syscall, and a > bunch of fixes for the new config file format infrastructure. Actaully, it's now updated to: 8874560 generic/024: fix output number because it missed a test number update in an output file again. That test doesn't run yet on XFS, so I missed it until I ran some ext4 tests... Cheers, Dave. -- Dave Chinner david@fromorbit.com From david@fromorbit.com Sun Apr 13 20:42:47 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id AE98C7F4E for ; Sun, 13 Apr 2014 20:42:47 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 9701F30404E for ; Sun, 13 Apr 2014 18:42:47 -0700 (PDT) X-ASG-Debug-ID: 1397439763-04cb6c77b419c390001-NocioJ Received: from ipmail06.adl6.internode.on.net (ipmail06.adl6.internode.on.net [150.101.137.145]) by cuda.sgi.com with ESMTP id mVEwVUAK02xerQ31 for ; Sun, 13 Apr 2014 18:42:44 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.145 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AtpOAKk8S1N5LEcvPGdsb2JhbABagwaDUIULtXGFXYEeFwMBAQEBODWCJQEBAQQ6HCMQCAMYCSUPBQ0YAwcaE4doAxDECA2GYxcWjD+CGQeEOASWc4FtimWCEIkSKw Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail06.adl6.internode.on.net with ESMTP; 14 Apr 2014 11:12:14 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WZVuW-0007J1-OZ; Mon, 14 Apr 2014 11:42:12 +1000 Date: Mon, 14 Apr 2014 11:42:12 +1000 From: Dave Chinner To: Mark Tinguely Cc: XFS Filesystem Subject: Re: [PATCH] xfsprogs: fix xfs_logprint EFI entry split on log buffer Message-ID: <20140414014212.GG27694@dastard> X-ASG-Orig-Subj: Re: [PATCH] xfsprogs: fix xfs_logprint EFI entry split on log buffer References: <20140409210013.095709266@sgi.com> <20140409210048.859660076@sgi.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140409210048.859660076@sgi.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail06.adl6.internode.on.net[150.101.137.145] X-Barracuda-Start-Time: 1397439763 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.50 X-Barracuda-Spam-Status: No, SCORE=0.50 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_SA620b, MAILTO_TO_SPAM_ADDR X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4880 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 MAILTO_TO_SPAM_ADDR URI: Includes a link to a likely spammer email 0.50 BSF_SC0_SA620b Custom Rule SA620b On Wed, Apr 09, 2014 at 04:00:14PM -0500, Mark Tinguely wrote: > xfs_logprint does not correctly handle EFI entries that > are split across two log buffers. xfs_efi_copy_format() > falsely interrupts the truncated size of the split entry > as being a corrupt entry. > > If the first log entry has enough information, namely the > number of extents in the entry and the identifier, then > display this information and a warning that this entry is > truncated. Otherwise, if there is not enough information in > the first log buffer, then print a message that the EFI decode > was not possible. These messages are similar to split inode > entries. > > Example of a continued entry: > Oper (336): tid: f214bdb len: 44 clientid: TRANS flags: CONTINUE > EFI: #regs: 1 num_extents: 2 id: 0xffff880804f63900 > EFI free extent data skipped (CONTINUE set, no space) > > Reported-by: Michael L. Semon > Signed-off-by: Mark Tinguely Looks fine. Reviewed-by: Dave Chinner -- Dave Chinner david@fromorbit.com From david@fromorbit.com Sun Apr 13 20:55:50 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id AAEFE7F4E for ; Sun, 13 Apr 2014 20:55:50 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 23E34AC004 for ; Sun, 13 Apr 2014 18:55:49 -0700 (PDT) X-ASG-Debug-ID: 1397440547-04cbb00dc61a94e0001-NocioJ Received: from ipmail06.adl6.internode.on.net (ipmail06.adl6.internode.on.net [150.101.137.145]) by cuda.sgi.com with ESMTP id hZUFmaXGpWMVpBDE for ; Sun, 13 Apr 2014 18:55:47 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.145 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AttOANc+S1N5LEcvPGdsb2JhbABagwaDUIULtXGFXYEeFwMBAQEBODWCJQEBAQQnExwjEAgDDgoJJQ8FJQMHGhOHe8p5FxaOWAeEOASYYIpliyIr Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail06.adl6.internode.on.net with ESMTP; 14 Apr 2014 11:25:47 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WZW7c-0007L8-DJ; Mon, 14 Apr 2014 11:55:44 +1000 Date: Mon, 14 Apr 2014 11:55:44 +1000 From: Dave Chinner To: Christoph Hellwig Cc: xfs@oss.sgi.com Subject: Re: [PATCH 2/9] xfs: split xfs_bmap_btalloc_nullfb Message-ID: <20140414015544.GH27694@dastard> X-ASG-Orig-Subj: Re: [PATCH 2/9] xfs: split xfs_bmap_btalloc_nullfb References: <1397289723-26243-1-git-send-email-hch@lst.de> <1397289723-26243-3-git-send-email-hch@lst.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1397289723-26243-3-git-send-email-hch@lst.de> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail06.adl6.internode.on.net[150.101.137.145] X-Barracuda-Start-Time: 1397440547 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4881 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Sat, Apr 12, 2014 at 10:01:56AM +0200, Christoph Hellwig wrote: > Split xfs_bmap_btalloc_nullfb into one function for filestream allocations > and one for everything else that share a few helpers. This dramatically > simplifies the control flow. > > Signed-off-by: Christoph Hellwig Small comment below. > --- > fs/xfs/xfs_bmap.c | 200 +++++++++++++++++++++++++++++++---------------------- > 1 file changed, 117 insertions(+), 83 deletions(-) > > diff --git a/fs/xfs/xfs_bmap.c b/fs/xfs/xfs_bmap.c > index 3340f0e..d5d52df 100644 > --- a/fs/xfs/xfs_bmap.c > +++ b/fs/xfs/xfs_bmap.c > @@ -3517,6 +3517,67 @@ xfs_bmap_adjacent( > #undef ISVALID > } > > +static int > +xfs_bmap_longest_free_extent( > + struct xfs_trans *tp, > + xfs_agnumber_t ag, > + xfs_extlen_t *blen, > + int *notinit) > +{ > + struct xfs_mount *mp = tp->t_mountp; > + struct xfs_perag *pag; > + xfs_extlen_t longest; > + int error = 0; > + > + pag = xfs_perag_get(mp, ag); > + if (!pag->pagf_init) { > + error = xfs_alloc_pagf_init(mp, tp, ag, XFS_ALLOC_FLAG_TRYLOCK); > + if (error) > + goto out; > + > + if (!pag->pagf_init) { > + *notinit = 1; > + goto out; > + } > + } > + > + longest = xfs_alloc_longest_free_extent(mp, pag); > + if (*blen < longest) > + *blen = longest; > + > +out: > + xfs_perag_put(pag); > + return error; > +} > + > +static void > +xfs_bmap_fix_args( > + struct xfs_bmalloca *ap, > + struct xfs_alloc_arg *args, > + xfs_extlen_t *blen, > + int notinit) Not a big fan of the "fix_args" name here. What it's actually doing is setting the minimum allocation length. Also, it could return the minimum length rather than set it inside the function, and pass blen by value rather than reference as it isn't modified in the function... Other than that, it's a good cleanup. Cheers, Dave. -- Dave Chinner david@fromorbit.com From david@fromorbit.com Sun Apr 13 21:23:55 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 0148A7F4E for ; Sun, 13 Apr 2014 21:23:55 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 7FD72AC002 for ; Sun, 13 Apr 2014 19:23:51 -0700 (PDT) X-ASG-Debug-ID: 1397442229-04cbb00dc61aa770001-NocioJ Received: from ipmail06.adl6.internode.on.net (ipmail06.adl6.internode.on.net [150.101.137.145]) by cuda.sgi.com with ESMTP id XpkdgsEHtFk8DsDn for ; Sun, 13 Apr 2014 19:23:49 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.145 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AtpOAApGS1N5LEcvPGdsb2JhbABagwaDUIULtXKFXYEeFwMBAQEBODWCJQEBAQQ6HCMQCAMOCgklDwUlAwcaE4d7yn4XFo5YB4Q4BJhglgcr Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail06.adl6.internode.on.net with ESMTP; 14 Apr 2014 11:53:48 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WZWYl-0007Qe-Gs; Mon, 14 Apr 2014 12:23:47 +1000 Date: Mon, 14 Apr 2014 12:23:47 +1000 From: Dave Chinner To: Christoph Hellwig Cc: xfs@oss.sgi.com Subject: Re: filestream allocator rewrite Message-ID: <20140414022347.GI27694@dastard> X-ASG-Orig-Subj: Re: filestream allocator rewrite References: <1397289723-26243-1-git-send-email-hch@lst.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1397289723-26243-1-git-send-email-hch@lst.de> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail06.adl6.internode.on.net[150.101.137.145] X-Barracuda-Start-Time: 1397442229 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4882 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Sat, Apr 12, 2014 at 10:01:54AM +0200, Christoph Hellwig wrote: > This series is a major overhaul of the filestream allocator. The main point > is to use the dcache to get the parent and avoiding to maintain a fstrm_item > for each inode that the filestream is applied to in favor of just tracking > the parent, but there's various more or less related fallout from this as well. OVerall it looks good. I'll need to do some testing on it and have a deeper look at the main use-the-dentry-cache patch, but it removes a heap of complexity and code and gets rid of the use of inode IO locks, so there's a loot to like here... Cheers, Dave. -- Dave Chinner david@fromorbit.com From david@fromorbit.com Sun Apr 13 21:30:27 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id D0CC37F4E for ; Sun, 13 Apr 2014 21:30:27 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id BFAF1304032 for ; Sun, 13 Apr 2014 19:30:24 -0700 (PDT) X-ASG-Debug-ID: 1397442622-04cb6c77b719e1e0001-NocioJ Received: from ipmail06.adl6.internode.on.net (ipmail06.adl6.internode.on.net [150.101.137.145]) by cuda.sgi.com with ESMTP id lIqbTH1GHQziFhEJ for ; Sun, 13 Apr 2014 19:30:22 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.145 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AttOAApHS1N5LEcvPGdsb2JhbABagwaDUIULtXKFXYEeFwMBAQEBODWCJQEBAQQnExwjEAgDFQMJJQ8FJQMHGhOHe8sHFxaOWAeEOASYYJYHKw Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail06.adl6.internode.on.net with ESMTP; 14 Apr 2014 12:00:21 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WZWf6-0007RZ-B9; Mon, 14 Apr 2014 12:30:20 +1000 Date: Mon, 14 Apr 2014 12:30:20 +1000 From: Dave Chinner To: Miklos Szeredi Cc: xfs@oss.sgi.com, Miklos Szeredi Subject: Re: [PATCH 2/4] renameat2 syscall: check plain rename Message-ID: <20140414023020.GJ27694@dastard> X-ASG-Orig-Subj: Re: [PATCH 2/4] renameat2 syscall: check plain rename References: <1397231517-4641-1-git-send-email-miklos@szeredi.hu> <1397231517-4641-2-git-send-email-miklos@szeredi.hu> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1397231517-4641-2-git-send-email-miklos@szeredi.hu> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail06.adl6.internode.on.net[150.101.137.145] X-Barracuda-Start-Time: 1397442622 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4882 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Fri, Apr 11, 2014 at 05:51:55PM +0200, Miklos Szeredi wrote: > From: Miklos Szeredi > > Check with zero flags. This is what rename(2) and renameat(2) now call, so > this actually tests the behavior of these syscalls as well. > > Signed-off-by: Miklos Szeredi Miklos, this test fails on XFS with the following diff: $ diff -u tests/generic/023.out /home/dave/src/xfstests-dev/results//generic/023.out.bad --- tests/generic/023.out 2014-04-14 10:44:22.000000000 +1000 +++ /home/dave/src/xfstests-dev/results//generic/023.out.bad 2014-04-14 12:00:23.000000000 +1000 @@ -18,12 +18,12 @@ samedir dire/regu -> Not a directory samedir dire/symb -> Not a directory samedir dire/dire -> none/dire. -samedir dire/tree -> Directory not empty +samedir dire/tree -> File exists samedir tree/none -> none/tree. samedir tree/regu -> Not a directory samedir tree/symb -> Not a directory samedir tree/dire -> none/tree. -samedir tree/tree -> Directory not empty +samedir tree/tree -> File exists crossdir none/none -> No such file or directory crossdir none/regu -> No such file or directory crossdir none/symb -> No such file or directory @@ -43,9 +43,9 @@ crossdir dire/regu -> Not a directory crossdir dire/symb -> Not a directory crossdir dire/dire -> none/dire. -crossdir dire/tree -> Directory not empty +crossdir dire/tree -> File exists crossdir tree/none -> none/tree. crossdir tree/regu -> Not a directory crossdir tree/symb -> Not a directory crossdir tree/dire -> none/tree. -crossdir tree/tree -> Directory not empty +crossdir tree/tree -> File exists IOWs, XFS is returning EEXIST rather than ENOTEMPTY for several of these rename tests. The rename man page says this about the errors: ENOTEMPTY or EEXIST newpath is a nonempty directory, that is, contains entries other than "." and "..". Which implies that both errors are valid and so the test should pass in either case. Can you send a patch to handle these different-but-valid error returns? Cheers, Dave. -- Dave Chinner david@fromorbit.com From banhcuoc5b@gmail.com Mon Apr 14 00:43:30 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: * X-Spam-Status: No, score=1.0 required=5.0 tests=FREEMAIL_FROM,FREEMAIL_REPLY, HTML_IMAGE_RATIO_08,HTML_MESSAGE,T_DKIM_INVALID autolearn=no version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 551C67F4E for ; Mon, 14 Apr 2014 00:43:30 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 99413AC005 for ; Sun, 13 Apr 2014 22:43:26 -0700 (PDT) X-ASG-Debug-ID: 1397454201-04cb6c77b61a4550001-NocioJ Received: from mail-pb0-f68.google.com (mail-pb0-f68.google.com [209.85.160.68]) by cuda.sgi.com with ESMTP id eA8FFDBaZwo4FeU4 (version=TLSv1 cipher=RC4-SHA bits=128 verify=NO) for ; Sun, 13 Apr 2014 22:43:21 -0700 (PDT) X-Barracuda-Envelope-From: banhcuoc5b@gmail.com X-Barracuda-Apparent-Source-IP: 209.85.160.68 X-Barracuda-IPDD: Level1 [gmail.com/209.85.160.68] Received: by mail-pb0-f68.google.com with SMTP id jt11so4437892pbb.7 for ; 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on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 780FA7F4E for ; Mon, 14 Apr 2014 02:03:33 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id 6A475304043 for ; Mon, 14 Apr 2014 00:03:30 -0700 (PDT) X-ASG-Debug-ID: 1397459007-04cbb00dc31b3e70001-NocioJ Received: from newverein.lst.de (verein.lst.de [213.95.11.211]) by cuda.sgi.com with ESMTP id 0YkVGOKfHGuOO9Ww (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Mon, 14 Apr 2014 00:03:29 -0700 (PDT) X-Barracuda-Envelope-From: hch@lst.de X-Barracuda-Apparent-Source-IP: 213.95.11.211 Received: by newverein.lst.de (Postfix, from userid 2407) id 033E2145DA; Mon, 14 Apr 2014 09:03:26 +0200 (CEST) Date: Mon, 14 Apr 2014 09:03:25 +0200 From: Christoph Hellwig To: Dave Chinner Cc: xfs@oss.sgi.com Subject: Re: [PATCH 2/9] xfs: split xfs_bmap_btalloc_nullfb Message-ID: <20140414070325.GA22490@lst.de> X-ASG-Orig-Subj: Re: [PATCH 2/9] xfs: split xfs_bmap_btalloc_nullfb References: <1397289723-26243-1-git-send-email-hch@lst.de> <1397289723-26243-3-git-send-email-hch@lst.de> <20140414015544.GH27694@dastard> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140414015544.GH27694@dastard> User-Agent: Mutt/1.5.17 (2007-11-01) X-Barracuda-Connect: verein.lst.de[213.95.11.211] X-Barracuda-Start-Time: 1397459008 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4888 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Mon, Apr 14, 2014 at 11:55:44AM +1000, Dave Chinner wrote: > > +static void > > +xfs_bmap_fix_args( > > + struct xfs_bmalloca *ap, > > + struct xfs_alloc_arg *args, > > + xfs_extlen_t *blen, > > + int notinit) > > Not a big fan of the "fix_args" name here. What it's actually doing > is setting the minimum allocation length. Also, it could return the > minimum length rather than set it inside the function, and pass > blen by value rather than reference as it isn't modified in the > function... Sure. A any good suggestion for a name? From david@fromorbit.com Mon Apr 14 02:06:46 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id BFB637F4E for ; Mon, 14 Apr 2014 02:06:46 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id 8CBE2304039 for ; Mon, 14 Apr 2014 00:06:46 -0700 (PDT) X-ASG-Debug-ID: 1397459203-04bdf07dc71b1bc0001-NocioJ Received: from ipmail06.adl2.internode.on.net (ipmail06.adl2.internode.on.net [150.101.137.129]) by cuda.sgi.com with ESMTP id QUyIUcqWYLvkkCgX for ; Mon, 14 Apr 2014 00:06:44 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.129 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: ArBQAPWHS1N5LEcvPGdsb2JhbABQCoMGO4MVhQuiHZF+gViGfBcDAQEBATg1gwI7JDQFJQMHLYd7mS2xcBaNfA+DAg+BewSYYJQDggQrgS0 Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail06.adl2.internode.on.net with ESMTP; 14 Apr 2014 16:36:43 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WZayX-0007zu-PH for xfs@oss.sgi.com; Mon, 14 Apr 2014 17:06:41 +1000 Date: Mon, 14 Apr 2014 17:06:41 +1000 From: Dave Chinner To: xfs@oss.sgi.com Subject: [ANNOUNCE] xfsprogs: v3.2.0-rc1 tagged Message-ID: <20140414070641.GK27694@dastard> X-ASG-Orig-Subj: [ANNOUNCE] xfsprogs: v3.2.0-rc1 tagged MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="k+w/mQv8wyuph6w0" Content-Disposition: inline User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail06.adl2.internode.on.net[150.101.137.129] X-Barracuda-Start-Time: 1397459204 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4888 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- --k+w/mQv8wyuph6w0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hi folks, The xfsprogs repository at git://oss.sgi.com/xfs/cmds/xfsprogs has just been updated. The new head of the master branch is commit: fa98503 xfsprogs: v3.2.0-rc1 release This update indicates that we are getting close to a 3.2.0 release. We are just about feature complete for CRC enabled filesystems, so it's time to push towards a full release. I haven't created tarballs for this release, just tagged the repository and updated the version and changelogs. I'll release a source tarball for an -rc2 release if we need it... At this point, I'm really aiming to have the release complete by the time that the 3.15 kernel is released, and hence make the 3.15 kernel the first kernel we fully support metadata CRCs on. This gives us about 6 weeks to finalise the xfsprogs 3.2.0 release, so testing and bug reprorts and fixes are very welcome at this point. And while this looks like lots of change leading up to a -rc1 release, the majority of them are Coverity fixes and so remove a lot of noise from the checker reports and hence will help us identify new issues a lot faster. Cheers, Dave. ---- New Commits: Dave Chinner (1): [fa98503] xfsprogs: v3.2.0-rc1 release Eric Sandeen (17): [11e0696] xfsprogs: fix various fd leaks [d0e82db] xfs_fsr: refactor fsrall_cleanup [355ac01] xfsprogs: trivial buffer frees on error paths [0284875] libxlog: fix memory leak in xlog_recover_add_to_trans [edbdb4f] libxfs: fix memory leak in xfs_dir2_node_removename [f6a8b88] xfs_quota: fix memory leak in quota_group_type() error path [04536ba] xfs_logprint: fix leak in error path of xlog_print_record() [682fa9e] libxfs: free resources in libxfs_alloc_file_space error pat= hs [90ec25e] libxfs: annotate a case fallthrough in libxfs_ialloc [04c2e8d] xfs_db: fix too-large memset value in attr code [9d473f4] xfs_quota: remove impossible tests in printpath [f8579c0] xfs_repair: address never-true tests in repair/bmap.c on 64= bit [3ddc4ae] mkfs: catch unknown format in protofile parsing [d15f7cf] xfs_db: don't use invalid index in ring_f [d0bbcbc] xfsprogs: remove write-only assignments [0337778] xfs_io: fix random pread/pwrite to honor offset [e887198] libxfs: remove never-read "offset" assignment in readbufr_m= ap & writebufr Mark Tinguely (1): [9404cb4] logprint: handle split EFI entry Code Diffstat: VERSION | 2 +- copy/xfs_copy.c | 3 +-- db/addr.c | 15 +++++++-------- db/attrset.c | 2 +- db/bmap.c | 1 - db/check.c | 5 +++-- db/convert.c | 1 - db/io.c | 4 +++- db/write.c | 2 ++ doc/CHANGES | 18 ++++++++++++++++++ fsr/xfs_fsr.c | 34 +++++++++++++++++++++------------- growfs/xfs_growfs.c | 1 - include/bitops.h | 1 - io/parent.c | 2 ++ io/pread.c | 2 +- io/pwrite.c | 2 +- io/readdir.c | 1 + libhandle/handle.c | 1 + libxfs/rdwr.c | 4 +--- libxfs/util.c | 21 ++++++++++++++++++--- libxfs/xfs_dir2_node.c | 26 +++++++++++++------------- libxlog/xfs_log_recover.c | 1 + logprint/log_misc.c | 43 ++++++++++++++++++++++++++++++++----------- logprint/log_print_all.c | 3 +-- logprint/logprint.h | 2 +- mkfs/proto.c | 18 ++++++++++++++---- mkfs/xfs_mkfs.c | 2 -- quota/path.c | 8 ++++---- quota/quot.c | 1 + quota/quota.c | 20 ++++++++++++-------- repair/attr_repair.c | 2 -- repair/bmap.c | 8 ++++---- repair/dir2.c | 3 +-- repair/phase5.c | 3 --- repair/phase6.c | 1 - repair/prefetch.c | 1 - repair/sb.c | 2 -- rtcp/xfs_rtcp.c | 2 ++ 38 files changed, 168 insertions(+), 100 deletions(-) --=20 Dave Chinner david@fromorbit.com --k+w/mQv8wyuph6w0 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQIcBAEBAgAGBQJTS4kBAAoJEK3oKUf0dfodMwgQAJbY6xEoD42JazhEprp7Qi+L UqcICLfQLy8R50ZqaYS8h5uEHLJpGedRJjwdqeeDAPVrgA7y67/pE0Uy14frq5Q/ J10hVEl3UobmjnHk1L3WyabdZfPLMIWjbf2ZOzlNPgKmHXR0mvFAQ5Lkvq+tftVW 3AgwnmM7JurfMKJvOUSc+5e+a6gJml90SekxwGrVFRkqxR7CCrglYYOZn/dSJuHH Iyr0Srq2ly8TzdrsTFMMCM2AHXkgHv7i5KEM0cQIIz0Sj6BVKnalIJvO9mPIPRWu CB+TcmjTFsxzKADq6/Y2aPDT26C9sxXYZWebboYC5diMZeeS6MUVbePwOXmn4tT3 C8Kfk59wU/sIINl9lGEzTTsmfPdpeydAEJKMdZIArzDwkBaZR7/BxDs9kz7P5hQv NakxtlpPxt5U65K6tSU/lYT7LZOI6U0h0wcfBCoTJWKkGZHtG+WDRrFkr0QMCmPa MHDTa8Tl4sMuJmQgRjMQwAPkO+zyxeE/n4fnGI+iCwAT72QgT9cEveE6M9elfOTu CLQI9rpYnSRLtnfFEhW2pFjlEmMDOU0Xph7CUVn23Jd3wDLpWRWcN7piAT4Dxyzw ELFdUIO3c6qfZnEX1FQ2n8iidoOEMQCHvSOOSinvFtuYwyBbn46RhCCoKMJKmxJH W3K4sqbS/ZFtlNVePARM =IkLs -----END PGP SIGNATURE----- --k+w/mQv8wyuph6w0-- From david@fromorbit.com Mon Apr 14 02:17:20 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id AC57B7F4E for ; Mon, 14 Apr 2014 02:17:20 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 35CD3AC002 for ; Mon, 14 Apr 2014 00:17:17 -0700 (PDT) X-ASG-Debug-ID: 1397459834-04cbb00dc41b4630001-NocioJ Received: from ipmail06.adl2.internode.on.net (ipmail06.adl2.internode.on.net [150.101.137.129]) by cuda.sgi.com with ESMTP id ORh4rGiydTgsGyoN for ; Mon, 14 Apr 2014 00:17:15 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.129 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AqdSAIOKS1N5LEcvPGdsb2JhbABagwaDUIULtXOFXYEfFwMBAQEBODWCJQEBAQQ6HCMQCAMOCgklDwUlAwcaE4d7ywwXFo5YB4Q4BJhgimWLIis Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail06.adl2.internode.on.net with ESMTP; 14 Apr 2014 16:47:13 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WZb8h-00081c-Cj; Mon, 14 Apr 2014 17:17:11 +1000 Date: Mon, 14 Apr 2014 17:17:11 +1000 From: Dave Chinner To: Christoph Hellwig Cc: xfs@oss.sgi.com Subject: Re: [PATCH 2/9] xfs: split xfs_bmap_btalloc_nullfb Message-ID: <20140414071711.GL27694@dastard> X-ASG-Orig-Subj: Re: [PATCH 2/9] xfs: split xfs_bmap_btalloc_nullfb References: <1397289723-26243-1-git-send-email-hch@lst.de> <1397289723-26243-3-git-send-email-hch@lst.de> <20140414015544.GH27694@dastard> <20140414070325.GA22490@lst.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140414070325.GA22490@lst.de> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail06.adl2.internode.on.net[150.101.137.129] X-Barracuda-Start-Time: 1397459834 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4888 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Mon, Apr 14, 2014 at 09:03:25AM +0200, Christoph Hellwig wrote: > On Mon, Apr 14, 2014 at 11:55:44AM +1000, Dave Chinner wrote: > > > +static void > > > +xfs_bmap_fix_args( > > > + struct xfs_bmalloca *ap, > > > + struct xfs_alloc_arg *args, > > > + xfs_extlen_t *blen, > > > + int notinit) > > > > Not a big fan of the "fix_args" name here. What it's actually doing > > is setting the minimum allocation length. Also, it could return the > > minimum length rather than set it inside the function, and pass > > blen by value rather than reference as it isn't modified in the > > function... > > Sure. A any good suggestion for a name? xfs_bmap_select_minlen()? Cheers, Dave. -- Dave Chinner david@fromorbit.com From dgc@oss.sgi.com Mon Apr 14 02:27:28 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=-0.0 required=5.0 tests=NO_RELAYS autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: by oss.sgi.com (Postfix, from userid 10266) id B89D57F52; Mon, 14 Apr 2014 02:27:28 -0500 (CDT) From: xfs@oss.sgi.com To: xfs@oss.sgi.com Subject: [XFS updates] XFS development tree branch, master, updated. xfs-for-linus-3.15-rc1-14826-gc9eaa44 X-Git-Refname: refs/heads/master X-Git-Reftype: branch X-Git-Oldrev: 38dbfb59d1175ef458d006556061adeaa8751b72 X-Git-Newrev: c9eaa447e77efe77b7fa4c953bd62de8297fd6c5 Message-Id: <20140414072728.B89D57F52@oss.sgi.com> Date: Mon, 14 Apr 2014 02:27:25 -0500 (CDT) This is an automated email from the git hooks/post-receive script. It was generated because a ref change was pushed to the repository containing the project "XFS development tree". The branch, master has been updated 5166701 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs f182036 mm: implement ->map_pages for page cache d15e031 Merge tag 'xfs-for-linus-3.15-rc1' of git://oss.sgi.com/xfs/xfs 24e7ea3 Merge tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4 91b0abe mm + fs: store shadow entries in page cache a6cf33b Merge branch 'xfs-bug-fixes-for-3.15-3' into for-next c88547a xfs: fix directory hash ordering bug 805eeb8 xfs: extra semi-colon breaks a condition 0a64bc2 xfs_file_buffered_aio_write(): switch to generic_perform_write() 5cb6c6c generic_file_direct_write(): get rid of ppos argument fcacafd kill the 5th argument of generic_file_buffered_write() 5d826c8 new helper: readlink_copy() 02b9984 fs: push sync_filesystem() down to the file system's remount_fs() fe986f9 Merge branch 'xfs-O_TMPFILE-support' into for-next 5f44e4c Merge branch 'xfs-bug-fixes-for-3.15-2' into for-next 49ae4b9 Merge branch 'xfs-verifier-cleanup' into for-next 730357a Merge branch 'xfs-stack-fixes' into for-next b6db055 Merge branch 'xfs-collapse-range' into for-next 376ba31 xfs: Add support for FALLOC_FL_ZERO_RANGE fe4c224 xfs: inode log reservations are still too small a49935f xfs: xfs_check_page_type buffer checks need help e480a72 xfs: avoid AGI/AGF deadlock scenario for inode chunk allocation ae687e5 xfs: use NOIO contexts for vm_map_ram ac75a1f xfs: don't leak EFSBADCRC to userspace 8d75318 Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs 93a8614 xfs: fix directory inode iolock lockdep false positive a1358aa xfs: allocate xfs_da_args to reduce stack footprint f876e44 xfs: always do log forces via the workqueue ce5028c xfs: modify verifiers to differentiate CRC from other errors db9355c xfs: print useful caller information in xfs_error_report ca23f8f xfs: add xfs_verifier_error() f1dbcd7 xfs: add helper for updating checksums on xfs_bufs 5158217 xfs: add helper for verifying checksums on xfs_bufs 533b81c xfs: Use defines for CRC offsets in all cases e0d2c23 xfs: skip pointless CRC updates after verifier failures e1d8fb8 xfs: Add support FALLOC_FL_COLLAPSE_RANGE for fallocate 645ceee Merge branch 'xfs-fixes-for-3.14-rc4' of git://oss.sgi.com/xfs/xfs 0dc83bd Revert "writeback: do not sync data dirtied after sync start" 027f185 Merge remote-tracking branch 'xfs-async-aio-extend' into for-next b678573 Merge branch 'xfs-fixes-for-3.15' into for-next 5ef11eb xfs: limit superblock corruption errors to actual corruption daba542 xfs: skip verification on initial "guess" superblock read 7a01e70 xfs: xfs_sb_read_verify() doesn't flag bad crcs on primary sb 3895e51 xfs: ensure correct log item buffer alignment fe60a8a xfs: ensure correct timestamp updates from truncate 9862f62 xfs: allow appending aio writes d531d91 xfs: always use unwritten extents for direct I/O writes d311d79 fix O_SYNC|O_APPEND syncing the wrong range on write() 492185e xfs: remove XFS_TRANS_DEBUG dead code 4ae69fe xfs: return -E2BIG if hit the maximum size limits of ACLs 392c6de xfs: sanitize sb_inopblock in xfs_mount_validate_sb c6f9726 xfs: convert xfs_log_commit_cil() to void 410b11a xfs: use tr_qm_dqalloc log reservation for dquot alloc c19ec23 xfs: remove unused tr_swrite 70bbca07 xfs: use tr_growrtalloc for growing rt files ab29743 xfs: allow linkat() on O_TMPFILE files 99b6436 xfs: add O_TMPFILE support 163467d xfs: factor prid related codes into xfs_get_initial_prid() from 38dbfb59d1175ef458d006556061adeaa8751b72 (commit) Those revisions listed above that are new to this repository have not appeared on any other notification email; so we list those revisions in full, below. - Log ----------------------------------------------------------------- commit 5166701b368caea89d57b14bf41cf39e819dad51 Merge: 0a7418f a786c06 Author: Linus Torvalds Date: Sat Apr 12 14:49:50 2014 -0700 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs Pull vfs updates from Al Viro: "The first vfs pile, with deep apologies for being very late in this window. Assorted cleanups and fixes, plus a large preparatory part of iov_iter work. There's a lot more of that, but it'll probably go into the next merge window - it *does* shape up nicely, removes a lot of boilerplate, gets rid of locking inconsistencie between aio_write and splice_write and I hope to get Kent's direct-io rewrite merged into the same queue, but some of the stuff after this point is having (mostly trivial) conflicts with the things already merged into mainline and with some I want more testing. This one passes LTP and xfstests without regressions, in addition to usual beating. BTW, readahead02 in ltp syscalls testsuite has started giving failures since "mm/readahead.c: fix readahead failure for memoryless NUMA nodes and limit readahead pages" - might be a false positive, might be a real regression..." * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (63 commits) missing bits of "splice: fix racy pipe->buffers uses" cifs: fix the race in cifs_writev() ceph_sync_{,direct_}write: fix an oops on ceph_osdc_new_request() failure kill generic_file_buffered_write() ocfs2_file_aio_write(): switch to generic_perform_write() ceph_aio_write(): switch to generic_perform_write() xfs_file_buffered_aio_write(): switch to generic_perform_write() export generic_perform_write(), start getting rid of generic_file_buffer_write() generic_file_direct_write(): get rid of ppos argument btrfs_file_aio_write(): get rid of ppos kill the 5th argument of generic_file_buffered_write() kill the 4th argument of __generic_file_aio_write() lustre: don't open-code kernel_recvmsg() ocfs2: don't open-code kernel_recvmsg() drbd: don't open-code kernel_recvmsg() constify blk_rq_map_user_iov() and friends lustre: switch to kernel_sendmsg() ocfs2: don't open-code kernel_sendmsg() take iov_iter stuff to mm/iov_iter.c process_vm_access: tidy up a bit ... commit f1820361f83d556a7f0a9f629100f3825e594328 Author: Kirill A. Shutemov Date: Mon Apr 7 15:37:19 2014 -0700 mm: implement ->map_pages for page cache filemap_map_pages() is generic implementation of ->map_pages() for filesystems who uses page cache. It should be safe to use filemap_map_pages() for ->map_pages() if filesystem use filemap_fault() for ->fault(). Signed-off-by: Kirill A. Shutemov Acked-by: Linus Torvalds Cc: Mel Gorman Cc: Rik van Riel Cc: Andi Kleen Cc: Matthew Wilcox Cc: Dave Hansen Cc: Alexander Viro Cc: Dave Chinner Cc: Ning Qu Cc: Hugh Dickins Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds commit d15e03104eb9a4f8e244ab6ed3ca5a107e46db13 Merge: 24e7ea3 a6cf33b Author: Linus Torvalds Date: Fri Apr 4 15:50:08 2014 -0700 Merge tag 'xfs-for-linus-3.15-rc1' of git://oss.sgi.com/xfs/xfs Pull xfs update from Dave Chinner: "There are a couple of new fallocate features in this request - it was decided that it was easiest to push them through the XFS tree using topic branches and have the ext4 support be based on those branches. Hence you may see some overlap with the ext4 tree merge depending on how they including those topic branches into their tree. Other than that, there is O_TMPFILE support, some cleanups and bug fixes. The main changes in the XFS tree for 3.15-rc1 are: - O_TMPFILE support - allowing AIO+DIO writes beyond EOF - FALLOC_FL_COLLAPSE_RANGE support for fallocate syscall and XFS implementation - FALLOC_FL_ZERO_RANGE support for fallocate syscall and XFS implementation - IO verifier cleanup and rework - stack usage reduction changes - vm_map_ram NOIO context fixes to remove lockdep warings - various bug fixes and cleanups" * tag 'xfs-for-linus-3.15-rc1' of git://oss.sgi.com/xfs/xfs: (34 commits) xfs: fix directory hash ordering bug xfs: extra semi-colon breaks a condition xfs: Add support for FALLOC_FL_ZERO_RANGE fs: Introduce FALLOC_FL_ZERO_RANGE flag for fallocate xfs: inode log reservations are still too small xfs: xfs_check_page_type buffer checks need help xfs: avoid AGI/AGF deadlock scenario for inode chunk allocation xfs: use NOIO contexts for vm_map_ram xfs: don't leak EFSBADCRC to userspace xfs: fix directory inode iolock lockdep false positive xfs: allocate xfs_da_args to reduce stack footprint xfs: always do log forces via the workqueue xfs: modify verifiers to differentiate CRC from other errors xfs: print useful caller information in xfs_error_report xfs: add xfs_verifier_error() xfs: add helper for updating checksums on xfs_bufs xfs: add helper for verifying checksums on xfs_bufs xfs: Use defines for CRC offsets in all cases xfs: skip pointless CRC updates after verifier failures xfs: Add support FALLOC_FL_COLLAPSE_RANGE for fallocate ... commit 24e7ea3bea94fe05eae5019f5f12bcdc98fc5157 Merge: 8e343c8 ad6599a Author: Linus Torvalds Date: Fri Apr 4 15:39:39 2014 -0700 Merge tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4 Pull ext4 updates from Ted Ts'o: "Major changes for 3.14 include support for the newly added ZERO_RANGE and COLLAPSE_RANGE fallocate operations, and scalability improvements in the jbd2 layer and in xattr handling when the extended attributes spill over into an external block. Other than that, the usual clean ups and minor bug fixes" * tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: (42 commits) ext4: fix premature freeing of partial clusters split across leaf blocks ext4: remove unneeded test of ret variable ext4: fix comment typo ext4: make ext4_block_zero_page_range static ext4: atomically set inode->i_flags in ext4_set_inode_flags() ext4: optimize Hurd tests when reading/writing inodes ext4: kill i_version support for Hurd-castrated file systems ext4: each filesystem creates and uses its own mb_cache fs/mbcache.c: doucple the locking of local from global data fs/mbcache.c: change block and index hash chain to hlist_bl_node ext4: Introduce FALLOC_FL_ZERO_RANGE flag for fallocate ext4: refactor ext4_fallocate code ext4: Update inode i_size after the preallocation ext4: fix partial cluster handling for bigalloc file systems ext4: delete path dealloc code in ext4_ext_handle_uninitialized_extents ext4: only call sync_filesystm() when remounting read-only fs: push sync_filesystem() down to the file system's remount_fs() jbd2: improve error messages for inconsistent journal heads jbd2: minimize region locked by j_list_lock in jbd2_journal_forget() jbd2: minimize region locked by j_list_lock in journal_get_create_access() ... commit 91b0abe36a7b2b3b02d7500925a5f8455334f0e5 Author: Johannes Weiner Date: Thu Apr 3 14:47:49 2014 -0700 mm + fs: store shadow entries in page cache Reclaim will be leaving shadow entries in the page cache radix tree upon evicting the real page. As those pages are found from the LRU, an iput() can lead to the inode being freed concurrently. At this point, reclaim must no longer install shadow pages because the inode freeing code needs to ensure the page tree is really empty. Add an address_space flag, AS_EXITING, that the inode freeing code sets under the tree lock before doing the final truncate. Reclaim will check for this flag before installing shadow pages. Signed-off-by: Johannes Weiner Reviewed-by: Rik van Riel Reviewed-by: Minchan Kim Cc: Andrea Arcangeli Cc: Bob Liu Cc: Christoph Hellwig Cc: Dave Chinner Cc: Greg Thelen Cc: Hugh Dickins Cc: Jan Kara Cc: KOSAKI Motohiro Cc: Luigi Semenzato Cc: Mel Gorman Cc: Metin Doslu Cc: Michel Lespinasse Cc: Ozgun Erdogan Cc: Peter Zijlstra Cc: Roman Gushchin Cc: Ryan Mallon Cc: Tejun Heo Cc: Vlastimil Babka Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds commit 0a64bc2c0474640a850febd5ac3abb8d45b32821 Author: Al Viro Date: Tue Feb 11 22:25:22 2014 -0500 xfs_file_buffered_aio_write(): switch to generic_perform_write() Signed-off-by: Al Viro commit 5cb6c6c7eb1ed24744b41fad47d9a25b72207098 Author: Al Viro Date: Tue Feb 11 20:58:20 2014 -0500 generic_file_direct_write(): get rid of ppos argument always equal to &iocb->ki_pos. Signed-off-by: Al Viro commit fcacafd269adc88f41b68cb77a3f957a66563428 Author: Al Viro Date: Sun Feb 9 13:37:49 2014 -0500 kill the 5th argument of generic_file_buffered_write() same story - it's &iocb->ki_pos in all cases Signed-off-by: Al Viro commit 5d826c847b34de6415b4f1becd88a57ff619af50 Author: Al Viro Date: Fri Mar 14 13:42:45 2014 -0400 new helper: readlink_copy() Signed-off-by: Al Viro commit 02b9984d640873b7b3809e63f81a0d7e13496886 Author: Theodore Ts'o Date: Thu Mar 13 10:14:33 2014 -0400 fs: push sync_filesystem() down to the file system's remount_fs() Previously, the no-op "mount -o mount /dev/xxx" operation when the file system is already mounted read-write causes an implied, unconditional syncfs(). This seems pretty stupid, and it's certainly documented or guaraunteed to do this, nor is it particularly useful, except in the case where the file system was mounted rw and is getting remounted read-only. However, it's possible that there might be some file systems that are actually depending on this behavior. In most file systems, it's probably fine to only call sync_filesystem() when transitioning from read-write to read-only, and there are some file systems where this is not needed at all (for example, for a pseudo-filesystem or something like romfs). Signed-off-by: "Theodore Ts'o" Cc: linux-fsdevel@vger.kernel.org Cc: Christoph Hellwig Cc: Artem Bityutskiy Cc: Adrian Hunter Cc: Evgeniy Dushistov Cc: Jan Kara Cc: OGAWA Hirofumi Cc: Anders Larsen Cc: Phillip Lougher Cc: Kees Cook Cc: Mikulas Patocka Cc: Petr Vandrovec Cc: xfs@oss.sgi.com Cc: linux-btrfs@vger.kernel.org Cc: linux-cifs@vger.kernel.org Cc: samba-technical@lists.samba.org Cc: codalist@coda.cs.cmu.edu Cc: linux-ext4@vger.kernel.org Cc: linux-f2fs-devel@lists.sourceforge.net Cc: fuse-devel@lists.sourceforge.net Cc: cluster-devel@redhat.com Cc: linux-mtd@lists.infradead.org Cc: jfs-discussion@lists.sourceforge.net Cc: linux-nfs@vger.kernel.org Cc: linux-nilfs@vger.kernel.org Cc: linux-ntfs-dev@lists.sourceforge.net Cc: ocfs2-devel@oss.oracle.com Cc: reiserfs-devel@vger.kernel.org commit 8d7531825c0dc24f3f300c07fb1a2a3a00b9e89c Merge: bb7d43b14 ff57cd5 Author: Linus Torvalds Date: Thu Feb 27 10:37:22 2014 -0800 Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs Pull filesystem fixes from Jan Kara: "Notification, writeback, udf, quota fixes The notification patches are (with one exception) a fallout of my fsnotify rework which went into -rc1 (I've extented LTP to cover these cornercases to avoid similar breakage in future). The UDF patch is a nasty data corruption Al has recently reported, the revert of the writeback patch is due to possibility of violating sync(2) guarantees, and a quota bug can lead to corruption of quota files in ocfs2" * 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs: fsnotify: Allocate overflow events with proper type fanotify: Handle overflow in case of permission events fsnotify: Fix detection whether overflow event is queued Revert "writeback: do not sync data dirtied after sync start" quota: Fix race between dqput() and dquot_scan_active() udf: Fix data corruption on file type conversion inotify: Fix reporting of cookies for inotify events commit 645ceee885facc6de60051be150ca1b06bdb9e51 Merge: 1052710 5ef11eb Author: Linus Torvalds Date: Sat Feb 22 08:26:01 2014 -0800 Merge branch 'xfs-fixes-for-3.14-rc4' of git://oss.sgi.com/xfs/xfs Pull xfs fixes from Dave Chinner: "This is the first pull request I've had to do for you, so I'm still sorting things out. The reason I'm sending this and not Ben should be obvious from the first commit below - SGI has stepped down from the XFS maintainership role. As such, I'd like to take another opportunity to thank them for their many years of effort maintaining XFS and supporting the XFS community that they developed from the ground up. So I haven't had time to work things like signed tags into my workflows yet, so this is just a repo branch I'm asking you to pull from. And yes, I named the branch -rc4 because I wanted the fixes in rc4, not because the branch was for merging into -rc3. Probably not right, either. Anyway, I should have everything sorted out by the time the next merge window comes around. If there's anything that you don't like in the pull req, feel free to flame me unmercifully. The changes are fixes for recent regressions and important thinkos in verification code: - a log vector buffer alignment issue on ia32 - timestamps on truncate got mangled - primary superblock CRC validation fixes and error message sanitisation" * 'xfs-fixes-for-3.14-rc4' of git://oss.sgi.com/xfs/xfs: xfs: limit superblock corruption errors to actual corruption xfs: skip verification on initial "guess" superblock read MAINTAINERS: SGI no longer maintaining XFS xfs: xfs_sb_read_verify() doesn't flag bad crcs on primary sb xfs: ensure correct log item buffer alignment xfs: ensure correct timestamp updates from truncate commit 0dc83bd30b0bf5410c0933cfbbf8853248eff0a9 Author: Jan Kara Date: Fri Feb 21 11:19:04 2014 +0100 Revert "writeback: do not sync data dirtied after sync start" This reverts commit c4a391b53a72d2df4ee97f96f78c1d5971b47489. Dave Chinner has reported the commit may cause some inodes to be left out from sync(2). This is because we can call redirty_tail() for some inode (which sets i_dirtied_when to current time) after sync(2) has started or similarly requeue_inode() can set i_dirtied_when to current time if writeback had to skip some pages. The real problem is in the functions clobbering i_dirtied_when but fixing that isn't trivial so revert is a safer choice for now. CC: stable@vger.kernel.org # >= 3.13 Signed-off-by: Jan Kara commit d311d79de305f1ada47cadd672e6ed1b28a949eb Author: Al Viro Date: Sun Feb 9 15:18:09 2014 -0500 fix O_SYNC|O_APPEND syncing the wrong range on write() It actually goes back to 2004 ([PATCH] Concurrent O_SYNC write support) when sync_page_range() had been introduced; generic_file_write{,v}() correctly synced pos_after_write - written .. pos_after_write - 1 but generic_file_aio_write() synced pos_before_write .. pos_before_write + written - 1 instead. Which is not the same thing with O_APPEND, obviously. A couple of years later correct variant had been killed off when everything switched to use of generic_file_aio_write(). All users of generic_file_aio_write() are affected, and the same bug has been copied into other instances of ->aio_write(). The fix is trivial; the only subtle point is that generic_write_sync() ought to be inlined to avoid calculations useless for the majority of calls. Signed-off-by: Al Viro ----------------------------------------------------------------------- Summary of changes: fs/xfs/kmem.c | 21 ++- fs/xfs/xfs_acl.c | 2 +- fs/xfs/xfs_ag.h | 6 + fs/xfs/xfs_alloc.c | 45 +++--- fs/xfs/xfs_alloc_btree.c | 16 ++- fs/xfs/xfs_aops.c | 84 ++++++----- fs/xfs/xfs_attr_leaf.c | 17 +-- fs/xfs/xfs_attr_remote.c | 15 +- fs/xfs/xfs_bmap.c | 193 +++++++++++++++++++++++++ fs/xfs/xfs_bmap.h | 15 ++ fs/xfs/xfs_bmap_btree.c | 16 +-- fs/xfs/xfs_bmap_util.c | 97 ++++++++++++- fs/xfs/xfs_bmap_util.h | 2 + fs/xfs/xfs_btree.c | 14 +- fs/xfs/xfs_buf.c | 11 ++ fs/xfs/xfs_buf.h | 14 ++ fs/xfs/xfs_buf_item.c | 19 --- fs/xfs/xfs_da_btree.c | 19 +-- fs/xfs/xfs_dinode.h | 2 + fs/xfs/xfs_dir2.c | 342 +++++++++++++++++++++++++++----------------- fs/xfs/xfs_dir2_block.c | 17 +-- fs/xfs/xfs_dir2_data.c | 20 +-- fs/xfs/xfs_dir2_leaf.c | 17 +-- fs/xfs/xfs_dir2_node.c | 17 +-- fs/xfs/xfs_dquot.c | 2 +- fs/xfs/xfs_dquot_buf.c | 11 +- fs/xfs/xfs_error.c | 27 +++- fs/xfs/xfs_error.h | 1 + fs/xfs/xfs_file.c | 42 ++++-- fs/xfs/xfs_format.h | 2 + fs/xfs/xfs_ialloc.c | 36 +++-- fs/xfs/xfs_ialloc_btree.c | 16 ++- fs/xfs/xfs_inode.c | 123 +++++++++++++++- fs/xfs/xfs_inode.h | 12 ++ fs/xfs/xfs_inode_buf.c | 7 +- fs/xfs/xfs_ioctl.c | 28 +--- fs/xfs/xfs_iomap.c | 10 +- fs/xfs/xfs_iops.c | 46 ++++-- fs/xfs/xfs_linux.h | 2 + fs/xfs/xfs_log.h | 2 +- fs/xfs/xfs_log_cil.c | 74 +++++++--- fs/xfs/xfs_mount.c | 27 ++-- fs/xfs/xfs_rtalloc.c | 2 +- fs/xfs/xfs_sb.c | 23 ++- fs/xfs/xfs_sb.h | 2 + fs/xfs/xfs_shared.h | 4 +- fs/xfs/xfs_super.c | 5 +- fs/xfs/xfs_symlink.c | 9 +- fs/xfs/xfs_symlink_remote.c | 16 +-- fs/xfs/xfs_trace.h | 1 + fs/xfs/xfs_trans.c | 12 +- fs/xfs/xfs_trans_buf.c | 11 ++ fs/xfs/xfs_trans_resv.c | 82 +++++++++-- fs/xfs/xfs_trans_resv.h | 3 +- 54 files changed, 1193 insertions(+), 466 deletions(-) hooks/post-receive -- XFS development tree From dgc@oss.sgi.com Mon Apr 14 02:35:51 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=-0.0 required=5.0 tests=NO_RELAYS autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: by oss.sgi.com (Postfix, from userid 10266) id 4EB1D7F50; Mon, 14 Apr 2014 02:35:51 -0500 (CDT) From: xfs@oss.sgi.com To: xfs@oss.sgi.com Subject: [XFS updates] XFS development tree branch, for-next, updated. xfs-for-linus-3.15-rc1-14826-gc9eaa44 X-Git-Refname: refs/heads/for-next X-Git-Reftype: branch X-Git-Oldrev: a6cf33bc566c5fe888bfa9cf6448037c90661f67 X-Git-Newrev: c9eaa447e77efe77b7fa4c953bd62de8297fd6c5 Message-Id: <20140414073551.4EB1D7F50@oss.sgi.com> Date: Mon, 14 Apr 2014 02:35:50 -0500 (CDT) This is an automated email from the git hooks/post-receive script. It was generated because a ref change was pushed to the repository containing the project "XFS development tree". The branch, for-next has been updated 5166701 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs f182036 mm: implement ->map_pages for page cache d15e031 Merge tag 'xfs-for-linus-3.15-rc1' of git://oss.sgi.com/xfs/xfs 24e7ea3 Merge tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4 91b0abe mm + fs: store shadow entries in page cache 0a64bc2 xfs_file_buffered_aio_write(): switch to generic_perform_write() 5cb6c6c generic_file_direct_write(): get rid of ppos argument fcacafd kill the 5th argument of generic_file_buffered_write() 5d826c8 new helper: readlink_copy() 02b9984 fs: push sync_filesystem() down to the file system's remount_fs() 8d75318 Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs 645ceee Merge branch 'xfs-fixes-for-3.14-rc4' of git://oss.sgi.com/xfs/xfs 0dc83bd Revert "writeback: do not sync data dirtied after sync start" d311d79 fix O_SYNC|O_APPEND syncing the wrong range on write() from a6cf33bc566c5fe888bfa9cf6448037c90661f67 (commit) Those revisions listed above that are new to this repository have not appeared on any other notification email; so we list those revisions in full, below. - Log ----------------------------------------------------------------- commit 5166701b368caea89d57b14bf41cf39e819dad51 Merge: 0a7418f a786c06 Author: Linus Torvalds Date: Sat Apr 12 14:49:50 2014 -0700 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs Pull vfs updates from Al Viro: "The first vfs pile, with deep apologies for being very late in this window. Assorted cleanups and fixes, plus a large preparatory part of iov_iter work. There's a lot more of that, but it'll probably go into the next merge window - it *does* shape up nicely, removes a lot of boilerplate, gets rid of locking inconsistencie between aio_write and splice_write and I hope to get Kent's direct-io rewrite merged into the same queue, but some of the stuff after this point is having (mostly trivial) conflicts with the things already merged into mainline and with some I want more testing. This one passes LTP and xfstests without regressions, in addition to usual beating. BTW, readahead02 in ltp syscalls testsuite has started giving failures since "mm/readahead.c: fix readahead failure for memoryless NUMA nodes and limit readahead pages" - might be a false positive, might be a real regression..." * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (63 commits) missing bits of "splice: fix racy pipe->buffers uses" cifs: fix the race in cifs_writev() ceph_sync_{,direct_}write: fix an oops on ceph_osdc_new_request() failure kill generic_file_buffered_write() ocfs2_file_aio_write(): switch to generic_perform_write() ceph_aio_write(): switch to generic_perform_write() xfs_file_buffered_aio_write(): switch to generic_perform_write() export generic_perform_write(), start getting rid of generic_file_buffer_write() generic_file_direct_write(): get rid of ppos argument btrfs_file_aio_write(): get rid of ppos kill the 5th argument of generic_file_buffered_write() kill the 4th argument of __generic_file_aio_write() lustre: don't open-code kernel_recvmsg() ocfs2: don't open-code kernel_recvmsg() drbd: don't open-code kernel_recvmsg() constify blk_rq_map_user_iov() and friends lustre: switch to kernel_sendmsg() ocfs2: don't open-code kernel_sendmsg() take iov_iter stuff to mm/iov_iter.c process_vm_access: tidy up a bit ... commit f1820361f83d556a7f0a9f629100f3825e594328 Author: Kirill A. Shutemov Date: Mon Apr 7 15:37:19 2014 -0700 mm: implement ->map_pages for page cache filemap_map_pages() is generic implementation of ->map_pages() for filesystems who uses page cache. It should be safe to use filemap_map_pages() for ->map_pages() if filesystem use filemap_fault() for ->fault(). Signed-off-by: Kirill A. Shutemov Acked-by: Linus Torvalds Cc: Mel Gorman Cc: Rik van Riel Cc: Andi Kleen Cc: Matthew Wilcox Cc: Dave Hansen Cc: Alexander Viro Cc: Dave Chinner Cc: Ning Qu Cc: Hugh Dickins Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds commit d15e03104eb9a4f8e244ab6ed3ca5a107e46db13 Merge: 24e7ea3 a6cf33b Author: Linus Torvalds Date: Fri Apr 4 15:50:08 2014 -0700 Merge tag 'xfs-for-linus-3.15-rc1' of git://oss.sgi.com/xfs/xfs Pull xfs update from Dave Chinner: "There are a couple of new fallocate features in this request - it was decided that it was easiest to push them through the XFS tree using topic branches and have the ext4 support be based on those branches. Hence you may see some overlap with the ext4 tree merge depending on how they including those topic branches into their tree. Other than that, there is O_TMPFILE support, some cleanups and bug fixes. The main changes in the XFS tree for 3.15-rc1 are: - O_TMPFILE support - allowing AIO+DIO writes beyond EOF - FALLOC_FL_COLLAPSE_RANGE support for fallocate syscall and XFS implementation - FALLOC_FL_ZERO_RANGE support for fallocate syscall and XFS implementation - IO verifier cleanup and rework - stack usage reduction changes - vm_map_ram NOIO context fixes to remove lockdep warings - various bug fixes and cleanups" * tag 'xfs-for-linus-3.15-rc1' of git://oss.sgi.com/xfs/xfs: (34 commits) xfs: fix directory hash ordering bug xfs: extra semi-colon breaks a condition xfs: Add support for FALLOC_FL_ZERO_RANGE fs: Introduce FALLOC_FL_ZERO_RANGE flag for fallocate xfs: inode log reservations are still too small xfs: xfs_check_page_type buffer checks need help xfs: avoid AGI/AGF deadlock scenario for inode chunk allocation xfs: use NOIO contexts for vm_map_ram xfs: don't leak EFSBADCRC to userspace xfs: fix directory inode iolock lockdep false positive xfs: allocate xfs_da_args to reduce stack footprint xfs: always do log forces via the workqueue xfs: modify verifiers to differentiate CRC from other errors xfs: print useful caller information in xfs_error_report xfs: add xfs_verifier_error() xfs: add helper for updating checksums on xfs_bufs xfs: add helper for verifying checksums on xfs_bufs xfs: Use defines for CRC offsets in all cases xfs: skip pointless CRC updates after verifier failures xfs: Add support FALLOC_FL_COLLAPSE_RANGE for fallocate ... commit 24e7ea3bea94fe05eae5019f5f12bcdc98fc5157 Merge: 8e343c8 ad6599a Author: Linus Torvalds Date: Fri Apr 4 15:39:39 2014 -0700 Merge tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4 Pull ext4 updates from Ted Ts'o: "Major changes for 3.14 include support for the newly added ZERO_RANGE and COLLAPSE_RANGE fallocate operations, and scalability improvements in the jbd2 layer and in xattr handling when the extended attributes spill over into an external block. Other than that, the usual clean ups and minor bug fixes" * tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: (42 commits) ext4: fix premature freeing of partial clusters split across leaf blocks ext4: remove unneeded test of ret variable ext4: fix comment typo ext4: make ext4_block_zero_page_range static ext4: atomically set inode->i_flags in ext4_set_inode_flags() ext4: optimize Hurd tests when reading/writing inodes ext4: kill i_version support for Hurd-castrated file systems ext4: each filesystem creates and uses its own mb_cache fs/mbcache.c: doucple the locking of local from global data fs/mbcache.c: change block and index hash chain to hlist_bl_node ext4: Introduce FALLOC_FL_ZERO_RANGE flag for fallocate ext4: refactor ext4_fallocate code ext4: Update inode i_size after the preallocation ext4: fix partial cluster handling for bigalloc file systems ext4: delete path dealloc code in ext4_ext_handle_uninitialized_extents ext4: only call sync_filesystm() when remounting read-only fs: push sync_filesystem() down to the file system's remount_fs() jbd2: improve error messages for inconsistent journal heads jbd2: minimize region locked by j_list_lock in jbd2_journal_forget() jbd2: minimize region locked by j_list_lock in journal_get_create_access() ... commit 91b0abe36a7b2b3b02d7500925a5f8455334f0e5 Author: Johannes Weiner Date: Thu Apr 3 14:47:49 2014 -0700 mm + fs: store shadow entries in page cache Reclaim will be leaving shadow entries in the page cache radix tree upon evicting the real page. As those pages are found from the LRU, an iput() can lead to the inode being freed concurrently. At this point, reclaim must no longer install shadow pages because the inode freeing code needs to ensure the page tree is really empty. Add an address_space flag, AS_EXITING, that the inode freeing code sets under the tree lock before doing the final truncate. Reclaim will check for this flag before installing shadow pages. Signed-off-by: Johannes Weiner Reviewed-by: Rik van Riel Reviewed-by: Minchan Kim Cc: Andrea Arcangeli Cc: Bob Liu Cc: Christoph Hellwig Cc: Dave Chinner Cc: Greg Thelen Cc: Hugh Dickins Cc: Jan Kara Cc: KOSAKI Motohiro Cc: Luigi Semenzato Cc: Mel Gorman Cc: Metin Doslu Cc: Michel Lespinasse Cc: Ozgun Erdogan Cc: Peter Zijlstra Cc: Roman Gushchin Cc: Ryan Mallon Cc: Tejun Heo Cc: Vlastimil Babka Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds commit 0a64bc2c0474640a850febd5ac3abb8d45b32821 Author: Al Viro Date: Tue Feb 11 22:25:22 2014 -0500 xfs_file_buffered_aio_write(): switch to generic_perform_write() Signed-off-by: Al Viro commit 5cb6c6c7eb1ed24744b41fad47d9a25b72207098 Author: Al Viro Date: Tue Feb 11 20:58:20 2014 -0500 generic_file_direct_write(): get rid of ppos argument always equal to &iocb->ki_pos. Signed-off-by: Al Viro commit fcacafd269adc88f41b68cb77a3f957a66563428 Author: Al Viro Date: Sun Feb 9 13:37:49 2014 -0500 kill the 5th argument of generic_file_buffered_write() same story - it's &iocb->ki_pos in all cases Signed-off-by: Al Viro commit 5d826c847b34de6415b4f1becd88a57ff619af50 Author: Al Viro Date: Fri Mar 14 13:42:45 2014 -0400 new helper: readlink_copy() Signed-off-by: Al Viro commit 02b9984d640873b7b3809e63f81a0d7e13496886 Author: Theodore Ts'o Date: Thu Mar 13 10:14:33 2014 -0400 fs: push sync_filesystem() down to the file system's remount_fs() Previously, the no-op "mount -o mount /dev/xxx" operation when the file system is already mounted read-write causes an implied, unconditional syncfs(). This seems pretty stupid, and it's certainly documented or guaraunteed to do this, nor is it particularly useful, except in the case where the file system was mounted rw and is getting remounted read-only. However, it's possible that there might be some file systems that are actually depending on this behavior. In most file systems, it's probably fine to only call sync_filesystem() when transitioning from read-write to read-only, and there are some file systems where this is not needed at all (for example, for a pseudo-filesystem or something like romfs). Signed-off-by: "Theodore Ts'o" Cc: linux-fsdevel@vger.kernel.org Cc: Christoph Hellwig Cc: Artem Bityutskiy Cc: Adrian Hunter Cc: Evgeniy Dushistov Cc: Jan Kara Cc: OGAWA Hirofumi Cc: Anders Larsen Cc: Phillip Lougher Cc: Kees Cook Cc: Mikulas Patocka Cc: Petr Vandrovec Cc: xfs@oss.sgi.com Cc: linux-btrfs@vger.kernel.org Cc: linux-cifs@vger.kernel.org Cc: samba-technical@lists.samba.org Cc: codalist@coda.cs.cmu.edu Cc: linux-ext4@vger.kernel.org Cc: linux-f2fs-devel@lists.sourceforge.net Cc: fuse-devel@lists.sourceforge.net Cc: cluster-devel@redhat.com Cc: linux-mtd@lists.infradead.org Cc: jfs-discussion@lists.sourceforge.net Cc: linux-nfs@vger.kernel.org Cc: linux-nilfs@vger.kernel.org Cc: linux-ntfs-dev@lists.sourceforge.net Cc: ocfs2-devel@oss.oracle.com Cc: reiserfs-devel@vger.kernel.org commit 8d7531825c0dc24f3f300c07fb1a2a3a00b9e89c Merge: bb7d43b14 ff57cd5 Author: Linus Torvalds Date: Thu Feb 27 10:37:22 2014 -0800 Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs Pull filesystem fixes from Jan Kara: "Notification, writeback, udf, quota fixes The notification patches are (with one exception) a fallout of my fsnotify rework which went into -rc1 (I've extented LTP to cover these cornercases to avoid similar breakage in future). The UDF patch is a nasty data corruption Al has recently reported, the revert of the writeback patch is due to possibility of violating sync(2) guarantees, and a quota bug can lead to corruption of quota files in ocfs2" * 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs: fsnotify: Allocate overflow events with proper type fanotify: Handle overflow in case of permission events fsnotify: Fix detection whether overflow event is queued Revert "writeback: do not sync data dirtied after sync start" quota: Fix race between dqput() and dquot_scan_active() udf: Fix data corruption on file type conversion inotify: Fix reporting of cookies for inotify events commit 645ceee885facc6de60051be150ca1b06bdb9e51 Merge: 1052710 5ef11eb Author: Linus Torvalds Date: Sat Feb 22 08:26:01 2014 -0800 Merge branch 'xfs-fixes-for-3.14-rc4' of git://oss.sgi.com/xfs/xfs Pull xfs fixes from Dave Chinner: "This is the first pull request I've had to do for you, so I'm still sorting things out. The reason I'm sending this and not Ben should be obvious from the first commit below - SGI has stepped down from the XFS maintainership role. As such, I'd like to take another opportunity to thank them for their many years of effort maintaining XFS and supporting the XFS community that they developed from the ground up. So I haven't had time to work things like signed tags into my workflows yet, so this is just a repo branch I'm asking you to pull from. And yes, I named the branch -rc4 because I wanted the fixes in rc4, not because the branch was for merging into -rc3. Probably not right, either. Anyway, I should have everything sorted out by the time the next merge window comes around. If there's anything that you don't like in the pull req, feel free to flame me unmercifully. The changes are fixes for recent regressions and important thinkos in verification code: - a log vector buffer alignment issue on ia32 - timestamps on truncate got mangled - primary superblock CRC validation fixes and error message sanitisation" * 'xfs-fixes-for-3.14-rc4' of git://oss.sgi.com/xfs/xfs: xfs: limit superblock corruption errors to actual corruption xfs: skip verification on initial "guess" superblock read MAINTAINERS: SGI no longer maintaining XFS xfs: xfs_sb_read_verify() doesn't flag bad crcs on primary sb xfs: ensure correct log item buffer alignment xfs: ensure correct timestamp updates from truncate commit 0dc83bd30b0bf5410c0933cfbbf8853248eff0a9 Author: Jan Kara Date: Fri Feb 21 11:19:04 2014 +0100 Revert "writeback: do not sync data dirtied after sync start" This reverts commit c4a391b53a72d2df4ee97f96f78c1d5971b47489. Dave Chinner has reported the commit may cause some inodes to be left out from sync(2). This is because we can call redirty_tail() for some inode (which sets i_dirtied_when to current time) after sync(2) has started or similarly requeue_inode() can set i_dirtied_when to current time if writeback had to skip some pages. The real problem is in the functions clobbering i_dirtied_when but fixing that isn't trivial so revert is a safer choice for now. CC: stable@vger.kernel.org # >= 3.13 Signed-off-by: Jan Kara commit d311d79de305f1ada47cadd672e6ed1b28a949eb Author: Al Viro Date: Sun Feb 9 15:18:09 2014 -0500 fix O_SYNC|O_APPEND syncing the wrong range on write() It actually goes back to 2004 ([PATCH] Concurrent O_SYNC write support) when sync_page_range() had been introduced; generic_file_write{,v}() correctly synced pos_after_write - written .. pos_after_write - 1 but generic_file_aio_write() synced pos_before_write .. pos_before_write + written - 1 instead. Which is not the same thing with O_APPEND, obviously. A couple of years later correct variant had been killed off when everything switched to use of generic_file_aio_write(). All users of generic_file_aio_write() are affected, and the same bug has been copied into other instances of ->aio_write(). The fix is trivial; the only subtle point is that generic_write_sync() ought to be inlined to avoid calculations useless for the majority of calls. Signed-off-by: Al Viro ----------------------------------------------------------------------- Summary of changes: fs/xfs/xfs_file.c | 16 +++++++++------- fs/xfs/xfs_ioctl.c | 28 +--------------------------- fs/xfs/xfs_super.c | 5 +++-- 3 files changed, 13 insertions(+), 36 deletions(-) hooks/post-receive -- XFS development tree From david@fromorbit.com Mon Apr 14 03:13:13 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 9C2157F4E for ; Mon, 14 Apr 2014 03:13:13 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id 2D47DAC002 for ; Mon, 14 Apr 2014 01:13:12 -0700 (PDT) X-ASG-Debug-ID: 1397463190-04bdf07dca1b4970001-NocioJ Received: from ipmail06.adl2.internode.on.net (ipmail06.adl2.internode.on.net [150.101.137.129]) by cuda.sgi.com with ESMTP id MvfsaoAcRSriaTU3 for ; Mon, 14 Apr 2014 01:13:11 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.129 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AqlSAGmXS1N5LEcvPGdsb2JhbABagwaDUIULtXOFXYEfFwMBAQEBODWCJQEBAQQ6HCMQCAMOBwMJJQ8FJQMHGhOHe8p7FxaOWAeDJIEUBJhgimWLIis Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail06.adl2.internode.on.net with ESMTP; 14 Apr 2014 17:43:10 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WZc0p-0008Ee-RZ; Mon, 14 Apr 2014 18:13:07 +1000 Date: Mon, 14 Apr 2014 18:13:07 +1000 From: Dave Chinner To: Christoph Hellwig Cc: xfs@oss.sgi.com Subject: Re: [PATCH 3/6] xfs: xfs_vm_write_end truncates too much on failure Message-ID: <20140414081307.GA31578@dastard> X-ASG-Orig-Subj: Re: [PATCH 3/6] xfs: xfs_vm_write_end truncates too much on failure References: <1397106053-7489-1-git-send-email-david@fromorbit.com> <1397106053-7489-4-git-send-email-david@fromorbit.com> <20140410103555.GF17641@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140410103555.GF17641@infradead.org> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail06.adl2.internode.on.net[150.101.137.129] X-Barracuda-Start-Time: 1397463190 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4889 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Thu, Apr 10, 2014 at 03:35:55AM -0700, Christoph Hellwig wrote: > On Thu, Apr 10, 2014 at 03:00:50PM +1000, Dave Chinner wrote: > > From: Dave Chinner > > > > Similar to the write_begin problem, xfs-vm_write_end will truncate > > back to the old EOF, potentially removing page cache from over the > > top of delalloc blocks with valid data in them. Fix this by > > truncating back to just the start of the failed write. > > > > Signed-off-by: Dave Chinner > > Looks good, > > Reviewed-by: Christoph Hellwig > > Any reason you used max_t in the previous one, and opencode it here? No, just made the changes at different times. I'll fix them both to use max_t.... Cheers, Dave. -- Dave Chinner david@fromorbit.com From david@fromorbit.com Mon Apr 14 03:21:09 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 184167F4E for ; Mon, 14 Apr 2014 03:21:09 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id 9C888AC002 for ; Mon, 14 Apr 2014 01:21:08 -0700 (PDT) X-ASG-Debug-ID: 1397463665-04bdf07dcc1b5000001-NocioJ Received: from ipmail06.adl2.internode.on.net (ipmail06.adl2.internode.on.net [150.101.137.129]) by cuda.sgi.com with ESMTP id a1L4UQLgfEbgaRd1 for ; Mon, 14 Apr 2014 01:21:05 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.129 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: Akk/AIaZS1N5LEcvPGdsb2JhbABSCIMGO4MVuSaBWIVdgR8XAwEBAQE4NYIlAQEBBAEBASQLASMYCxAIAQIVAwklDwUTEgMHLYd7Dowevm0WjFuBJ1YHgySBFASYYJYHKw Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail06.adl2.internode.on.net with ESMTP; 14 Apr 2014 17:51:04 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WZc8V-0008GF-Nu; Mon, 14 Apr 2014 18:21:03 +1000 Date: Mon, 14 Apr 2014 18:21:03 +1000 From: Dave Chinner To: xfs@oss.sgi.com Cc: bob.mastors@solidfire.com, snitzer@redhat.com Subject: Re: [PATCH] xfs: unmount does not wait for shutdown during unmount Message-ID: <20140414082103.GB31578@dastard> X-ASG-Orig-Subj: Re: [PATCH] xfs: unmount does not wait for shutdown during unmount References: <1397104955-7247-1-git-send-email-david@fromorbit.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <1397104955-7247-1-git-send-email-david@fromorbit.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail06.adl2.internode.on.net[150.101.137.129] X-Barracuda-Start-Time: 1397463665 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4890 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- ping? On Thu, Apr 10, 2014 at 02:42:35PM +1000, Dave Chinner wrote: > From: Dave Chinner > > And interesting situation can occur if a log IO error occurs during > the unmount of a filesystem. The cases reported have the same > signature - the update of the superblock counters fails due to a log > write IO error: > > XFS (dm-16): xfs_do_force_shutdown(0x2) called from line 1170 of file fs/xfs/xfs_log.c. Return address = 0xffffffffa08a44a1 > XFS (dm-16): Log I/O Error Detected. Shutting down filesystem > XFS (dm-16): Unable to update superblock counters. Freespace may not be correct on next mount. > XFS (dm-16): xfs_log_force: error 5 returned. > XFS (¿-¿¿¿): Please umount the filesystem and rectify the problem(s) > > It can be seen that the last line of output contains a corrupt > device name - this is because the log and xfs_mount structures have > already been freed by the time this message is printed. A kernel > oops closely follows. > > The issue is that the shutdown is occurring in a separate IO > completion thread to the unmount. Once the shutdown processing has > started and all the iclogs are marked with XLOG_STATE_IOERROR, the > log shutdown code wakes anyone waiting on a log force so they can > process the shutdown error. This wakes up the unmount code that > is doing a synchronous transaction to update the superblock > counters. > > The unmount path now sees all the iclogs are marked with > XLOG_STATE_IOERROR and so never waits on them again, knowing that if > it does, there will not be a wakeup trigger for it and we will hang > the unmount if we do. Hence the unmount runs through all the > remaining code and frees all the filesystem structures while the > xlog_iodone() is still processing the shutdown. When the log > shutdown processing completes, xfs_do_force_shutdown() emits the > "Please umount the filesystem and rectify the problem(s)" message, > and xlog_iodone() then aborts all the objects attached to the iclog. > An iclog that has already been freed.... > > The real issue here is that there is no serialisation point between > the log IO and the unmount. We have serialisations points for log > writes, log forces, reservations, etc, but we don't actually have > any code that wakes for log IO to fully complete. We do that for all > other types of object, so why not iclogbufs? > > Well, it turns out that we can easily do this. We've got xfs_buf > handles, and that's what everyone else uses for IO serialisation. > i.e. bp->b_sema. So, lets hold iclogbufs locked over IO, and only > release the lock in xlog_iodone() when we are finished with the > buffer. That way before we tear down the iclog, we can lock and > unlock the buffer to ensure IO completion has finished completely > before we tear it down. > > Signed-off-by: Dave Chinner > --- > fs/xfs/xfs_log.c | 53 ++++++++++++++++++++++++++++++++++++++++++++--------- > 1 file changed, 44 insertions(+), 9 deletions(-) > > diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c > index 8497a00..08624dc 100644 > --- a/fs/xfs/xfs_log.c > +++ b/fs/xfs/xfs_log.c > @@ -1181,11 +1181,14 @@ xlog_iodone(xfs_buf_t *bp) > /* log I/O is always issued ASYNC */ > ASSERT(XFS_BUF_ISASYNC(bp)); > xlog_state_done_syncing(iclog, aborted); > + > /* > - * do not reference the buffer (bp) here as we could race > - * with it being freed after writing the unmount record to the > - * log. > + * drop the buffer lock now that we are done. Nothing references > + * the buffer after this, so an unmount waiting on this lock can now > + * tear it down safely. As such, it is unsafe to reference the buffer > + * (bp) after the unlock as we could race with it being freed. > */ > + xfs_buf_unlock(bp); > } > > /* > @@ -1368,8 +1371,16 @@ xlog_alloc_log( > bp = xfs_buf_alloc(mp->m_logdev_targp, 0, BTOBB(log->l_iclog_size), 0); > if (!bp) > goto out_free_log; > - bp->b_iodone = xlog_iodone; > + > + /* > + * The iclogbuf buffer locks are held over IO but we are not going to do > + * IO yet. Hence unlock the buffer so that the log IO path can grab it > + * when appropriately. > + */ > ASSERT(xfs_buf_islocked(bp)); > + xfs_buf_unlock(bp); > + > + bp->b_iodone = xlog_iodone; > log->l_xbuf = bp; > > spin_lock_init(&log->l_icloglock); > @@ -1398,6 +1409,9 @@ xlog_alloc_log( > if (!bp) > goto out_free_iclog; > > + ASSERT(xfs_buf_islocked(bp)); > + xfs_buf_unlock(bp); > + > bp->b_iodone = xlog_iodone; > iclog->ic_bp = bp; > iclog->ic_data = bp->b_addr; > @@ -1422,7 +1436,6 @@ xlog_alloc_log( > iclog->ic_callback_tail = &(iclog->ic_callback); > iclog->ic_datap = (char *)iclog->ic_data + log->l_iclog_hsize; > > - ASSERT(xfs_buf_islocked(iclog->ic_bp)); > init_waitqueue_head(&iclog->ic_force_wait); > init_waitqueue_head(&iclog->ic_write_wait); > > @@ -1631,6 +1644,12 @@ xlog_cksum( > * we transition the iclogs to IOERROR state *after* flushing all existing > * iclogs to disk. This is because we don't want anymore new transactions to be > * started or completed afterwards. > + * > + * We lock the iclogbufs here so that we can serialise against IO completion > + * during unmount. We might be processing a shutdown triggered during unmount, > + * and that can occur asynchronously to the unmount thread, and hence we need to > + * ensure that completes before tearing down the iclogbufs. Hence we need to > + * hold the buffer lock across the log IO to acheive that. > */ > STATIC int > xlog_bdstrat( > @@ -1638,6 +1657,7 @@ xlog_bdstrat( > { > struct xlog_in_core *iclog = bp->b_fspriv; > > + xfs_buf_lock(bp); > if (iclog->ic_state & XLOG_STATE_IOERROR) { > xfs_buf_ioerror(bp, EIO); > xfs_buf_stale(bp); > @@ -1645,7 +1665,8 @@ xlog_bdstrat( > /* > * It would seem logical to return EIO here, but we rely on > * the log state machine to propagate I/O errors instead of > - * doing it here. > + * doing it here. Similarly, IO completion will unlock the > + * buffer, so we don't do it here. > */ > return 0; > } > @@ -1847,14 +1868,28 @@ xlog_dealloc_log( > xlog_cil_destroy(log); > > /* > - * always need to ensure that the extra buffer does not point to memory > - * owned by another log buffer before we free it. > + * Cycle all the iclogbuf locks to make sure all log IO completion > + * is done before we tear down these buffers. > */ > + iclog = log->l_iclog; > + for (i = 0; i < log->l_iclog_bufs; i++) { > + xfs_buf_lock(iclog->ic_bp); > + xfs_buf_unlock(iclog->ic_bp); > + iclog = iclog->ic_next; > + } > + > + /* > + * Always need to ensure that the extra buffer does not point to memory > + * owned by another log buffer before we free it. Also, cycle the lock > + * first to ensure we've completed IO on it. > + */ > + xfs_buf_lock(log->l_xbuf); > + xfs_buf_unlock(log->l_xbuf); > xfs_buf_set_empty(log->l_xbuf, BTOBB(log->l_iclog_size)); > xfs_buf_free(log->l_xbuf); > > iclog = log->l_iclog; > - for (i=0; il_iclog_bufs; i++) { > + for (i = 0; i < log->l_iclog_bufs; i++) { > xfs_buf_free(iclog->ic_bp); > next_iclog = iclog->ic_next; > kmem_free(iclog); > -- > 1.9.0 > > _______________________________________________ > xfs mailing list > xfs@oss.sgi.com > http://oss.sgi.com/mailman/listinfo/xfs -- Dave Chinner david@fromorbit.com From www-data@pro2112.server4you.de Mon Apr 14 03:26:36 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=FREEMAIL_FROM,HTML_MESSAGE autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 888917F4E for ; Mon, 14 Apr 2014 03:26:36 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 11D3FAC004 for ; Mon, 14 Apr 2014 01:26:35 -0700 (PDT) X-ASG-Debug-ID: 1397463991-04cb6c77b61aaaf0001-NocioJ Received: from pro2112.server4you.de (pro2112.server4you.de [188.138.109.182]) by cuda.sgi.com with ESMTP id 2UHyI6WRtFhMbIy1 (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Mon, 14 Apr 2014 01:26:32 -0700 (PDT) X-Barracuda-Envelope-From: www-data@pro2112.server4you.de X-Barracuda-Apparent-Source-IP: 188.138.109.182 Received: by pro2112.server4you.de (Postfix, from userid 33) id 9CFAD42C3D57; Mon, 14 Apr 2014 10:26:31 +0200 (CEST) To: , , , , , , , , , , , , , , , , , , , Subject: =?windows-1251?B?y+Xy4P754P8g9OX/OiDo4/Dz+OrgLCDh6+Dj?= =?windows-1251?B?7uTg8P8g6u7y7vDu6SDk5fLoIOLl8P/yIOIg?= =?windows-1251?B?4u7r+OXh8fLi7iE=?= X-PHP-Originating-Script: 10011:xmailer.php X-ASG-Orig-Subj: =?windows-1251?B?y+Xy4P754P8g9OX/OiDo4/Dz+OrgLCDh6+Dj?= =?windows-1251?B?7uTg8P8g6u7y7vDu6SDk5fLoIOLl8P/yIOIg?= =?windows-1251?B?4u7r+OXh8fLi7iE=?= From: =?windows-1251?B?wuDw9O7r7uzl6Q==?= Reply-To: =?windows-1251?B?wuDw9O7r7uzl6Q==?= MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_246D_01CF57DC.C2912EF0" Message-Id: <20140414082631.9CFAD42C3D57@pro2112.server4you.de> Date: Mon, 14 Apr 2014 10:26:31 +0200 (CEST) X-Barracuda-Connect: pro2112.server4you.de[188.138.109.182] X-Barracuda-Start-Time: 1397463992 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.20 X-Barracuda-Spam-Status: No, SCORE=0.20 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_SA584, HTML_MESSAGE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4890 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 HTML_MESSAGE BODY: HTML included in message 0.20 BSF_SC0_SA584 Custom Rule SA584 ------=_NextPart_000_246D_01CF57DC.C2912EF0 Content-Type: text/plain; charset="windows-1251" Content-Transfer-Encoding: quoted-printable =CB=E5=F2=E0=FE=F9=E0=FF =F4=E5=FF: =F1=E8=EC=EF=E0=F2=E8=F7=ED=E0=FF =F4= =E5=FF, =EA=EE=F2=EE=F0=E0=FF =F1=F2=E0=ED=E5=F2 =EF=EE=E4=F0=F3=E6=EA=EE= =E9 =E4=EB=FF =E2=E0=F8=E5=E9 =E4=EE=F7=E5=ED=FC=EA=E8! 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------=_NextPart_000_246D_01CF57DC.C2912EF0-- From david@fromorbit.com Mon Apr 14 04:46:43 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 4EE887F4E for ; Mon, 14 Apr 2014 04:46:43 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id 3DDE830404E for ; Mon, 14 Apr 2014 02:46:39 -0700 (PDT) X-ASG-Debug-ID: 1397468797-04cbb00dc41bac90001-NocioJ Received: from ipmail06.adl2.internode.on.net (ipmail06.adl2.internode.on.net [150.101.137.129]) by cuda.sgi.com with ESMTP id Tc2CGm6oD5jx3uxK for ; Mon, 14 Apr 2014 02:46:38 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.129 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: Aq0/AK6tS1N5LEcvPGdsb2JhbABagwY7gxWnK5NWhV2BIBcDAQEBATg1giUBAQEEOhwjEAgDDgoJJQ8FJQMHGhOHew7KfhcWjFuBfQeDJIEUBJhglgcr Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail06.adl2.internode.on.net with ESMTP; 14 Apr 2014 19:16:35 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WZdTE-00006v-GM; Mon, 14 Apr 2014 19:46:32 +1000 Date: Mon, 14 Apr 2014 19:46:32 +1000 From: Dave Chinner To: Brian Foster Cc: xfs@oss.sgi.com Subject: Re: [PATCH v5 00/11] xfs: introduce the free inode btree Message-ID: <20140414094632.GC31578@dastard> X-ASG-Orig-Subj: Re: [PATCH v5 00/11] xfs: introduce the free inode btree References: <1397146116-42546-1-git-send-email-bfoster@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1397146116-42546-1-git-send-email-bfoster@redhat.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail06.adl2.internode.on.net[150.101.137.129] X-Barracuda-Start-Time: 1397468797 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.60 X-Barracuda-Spam-Status: No, SCORE=0.60 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=MARKETING_SUBJECT X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4891 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.60 MARKETING_SUBJECT Subject contains popular marketing words On Thu, Apr 10, 2014 at 12:08:25PM -0400, Brian Foster wrote: > Hi all, > > This is a minor rebase of the finobt series on the latest for-next > branch. The previous version (v4) is here: > > http://oss.sgi.com/archives/xfs/2014-02/msg00763.html > > The most recent series with review feedback is v3: > > http://oss.sgi.com/archives/xfs/2014-02/msg00121.html > > Brian I've just had a look at this series, and I haven't found anything to complain about apart from a couple of stray whitespaces that I fixed. I'm going to run it through some finobt=0 test runs until i get a chance to look at the userspace patches. If I don't notice anything in the next couple of days, I'll merge the topic branch into the main tree.... Cheers, Dave. -- Dave Chinner david@fromorbit.com From miklos@szeredi.hu Mon Apr 14 05:49:58 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 3F4067F4E for ; Mon, 14 Apr 2014 05:49:58 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id 28CAA304043 for ; Mon, 14 Apr 2014 03:49:57 -0700 (PDT) X-ASG-Debug-ID: 1397472594-04cbb00dc41be270001-NocioJ Received: from mail-ee0-f53.google.com (mail-ee0-f53.google.com [74.125.83.53]) by cuda.sgi.com with ESMTP id bjgxOqJ1CfabMNQp (version=TLSv1 cipher=RC4-SHA bits=128 verify=NO) for ; Mon, 14 Apr 2014 03:49:55 -0700 (PDT) X-Barracuda-Envelope-From: miklos@szeredi.hu X-Barracuda-Apparent-Source-IP: 74.125.83.53 Received: by mail-ee0-f53.google.com with SMTP id b57so6410434eek.40 for ; Mon, 14 Apr 2014 03:49:54 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=szeredi.hu; s=google; h=date:from:to:subject:message-id:mime-version:content-type :content-disposition:user-agent; bh=/NNMo4NbB7JhwwV+O1LhmXNQ1P5OVTG/FCU/r8vxOUo=; b=JLo/WDW7NNUbvyU9aoAqX+JDa8feDuxoKXASIEi0RtzRegYc5DtJ3cA4Yez/QKjeBg gZL6tjTqrVZSodHcO45ilirpu8hlECfqaM+34iu6UpIqLTS1It7/vs69r3deOUliokml UIh7hPTUNgNyYblEFlYbH9mtj6mdH5T6XBSBI= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:date:from:to:subject:message-id:mime-version :content-type:content-disposition:user-agent; bh=/NNMo4NbB7JhwwV+O1LhmXNQ1P5OVTG/FCU/r8vxOUo=; b=ZeyYvtexY6SU79FgAqJUy3CslG3Ngvlitm03zj+k5zY1XyUwvqchpwbpkuMnih9m9K RNe83pcsD0T7QfXJz3hP03xhD+QLQMTNrxlPBWG9EbbFwnIJIK+SwXoO/m9QXAg2wPQx 4N0WiePaNRKSniDHnC371eJ4/A1po12FSnQJT68DW9i8oGPjeyBBl8w9KcFWUJh+NsWc Pl/hMIgjKfTydn0jCIQ9q1wRXmZBErYiaYZ8DGD7V6khz1EZ+tORA0Y61ozfgu+MZO76 HTq0XcainFjQaGP93itKLHAp7Tf4uCw8XnvP9wEDuyaeX/h1saMAnc9b8zL89T/PXYhs k0/A== X-Gm-Message-State: ALoCoQmopGjzrRoU8D32tUN0PnMv+HEJZ+V8+KIVWpdQ8fd85gQI8mB9eQOK3eKMe/udbb8lTjif X-Received: by 10.15.54.137 with SMTP id t9mr50996020eew.39.1397472594348; Mon, 14 Apr 2014 03:49:54 -0700 (PDT) Received: from tucsk.piliscsaba.szeredi.hu (2E8B5005.mobile.pool.telekom.hu. [46.139.80.5]) by mx.google.com with ESMTPSA id u46sm40109031eel.1.2014.04.14.03.49.52 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Mon, 14 Apr 2014 03:49:53 -0700 (PDT) Date: Mon, 14 Apr 2014 12:49:53 +0200 From: Miklos Szeredi To: xfs@oss.sgi.com Subject: [xfstests PATCH] renameat2 syscall: turn EEXIST into ENOTEMPTY Message-ID: <20140414104953.GE10187@tucsk.piliscsaba.szeredi.hu> X-ASG-Orig-Subj: [xfstests PATCH] renameat2 syscall: turn EEXIST into ENOTEMPTY MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: mail-ee0-f53.google.com[74.125.83.53] X-Barracuda-Start-Time: 1397472595 X-Barracuda-Encrypted: RC4-SHA X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=DKIM_SIGNED X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4893 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature From: Miklos Szeredi XFS is returning EEXIST rather than ENOTEMPTY for several of these rename tests. The rename man page says this about the errors: ENOTEMPTY or EEXIST newpath is a nonempty directory, that is, contains entries other than "." and "..". Which implies that both errors are valid and so the test should pass in either case. Signed-off-by: Miklos Szeredi --- src/renameat2.c | 9 +++++++++ 1 file changed, 9 insertions(+) --- a/src/renameat2.c +++ b/src/renameat2.c @@ -88,6 +88,15 @@ int main(int argc, char *argv[]) else return 0; } + /* + * Turn EEXIST into ENOTEMPTY. E.g. XFS uses EEXIST, and that + * is also accepted by the standards. + * + * This applies only to plain rename (flags == 0). + */ + if (!flags && errno == EEXIST) + errno = ENOTEMPTY; + perror(""); return 1; } From sandeen@sandeen.net Mon Apr 14 09:45:11 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 6A1167F4E for ; Mon, 14 Apr 2014 09:45:11 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id E4B15AC003 for ; Mon, 14 Apr 2014 07:45:07 -0700 (PDT) X-ASG-Debug-ID: 1397486705-04cbb00dc61ce5e0001-NocioJ Received: from sandeen.net (sandeen.net [63.231.237.45]) by cuda.sgi.com with ESMTP id aCr8FpxzYEyDdafk for ; Mon, 14 Apr 2014 07:45:05 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@sandeen.net X-Barracuda-Apparent-Source-IP: 63.231.237.45 Received: from liberator.sandeen.net (liberator.sandeen.net [10.0.0.4]) (using TLSv1 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (No client certificate requested) by sandeen.net (Postfix) with ESMTPSA id 56C1D63C5FD4 for ; Mon, 14 Apr 2014 09:45:05 -0500 (CDT) Message-ID: <534BF472.8030908@sandeen.net> Date: Mon, 14 Apr 2014 09:45:06 -0500 From: Eric Sandeen User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:24.0) Gecko/20100101 Thunderbird/24.4.0 MIME-Version: 1.0 To: xfs-oss Subject: [PATCH 0/2] xfsprogs: 2 quick coverity fixes X-Enigmail-Version: 1.6 X-ASG-Orig-Subj: [PATCH 0/2] xfsprogs: 2 quick coverity fixes Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Barracuda-Connect: sandeen.net[63.231.237.45] X-Barracuda-Start-Time: 1397486705 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4898 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- The last round introduced 2 new warnings, trivial patches to fix follow. From sandeen@sandeen.net Mon Apr 14 09:46:37 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id AADDF7F4E for ; Mon, 14 Apr 2014 09:46:37 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 404BCAC003 for ; Mon, 14 Apr 2014 07:46:36 -0700 (PDT) X-ASG-Debug-ID: 1397486796-04cb6c77b61c1fb0001-NocioJ Received: from sandeen.net (sandeen.net [63.231.237.45]) by cuda.sgi.com with ESMTP id gim97ALNjxZBlHVZ for ; Mon, 14 Apr 2014 07:46:36 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@sandeen.net X-Barracuda-Apparent-Source-IP: 63.231.237.45 Received: from liberator.sandeen.net (liberator.sandeen.net [10.0.0.4]) (using TLSv1 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (No client certificate requested) by sandeen.net (Postfix) with ESMTPSA id CDE9363C5FC4; Mon, 14 Apr 2014 09:46:35 -0500 (CDT) Message-ID: <534BF4CD.1080702@sandeen.net> Date: Mon, 14 Apr 2014 09:46:37 -0500 From: Eric Sandeen User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:24.0) Gecko/20100101 Thunderbird/24.4.0 MIME-Version: 1.0 To: xfs-oss , Mark Tinguely Subject: [PATCH 1/2] xfs_logprint: Fix error handling in xlog_print_trans_efi References: <534BF472.8030908@sandeen.net> X-ASG-Orig-Subj: [PATCH 1/2] xfs_logprint: Fix error handling in xlog_print_trans_efi In-Reply-To: <534BF472.8030908@sandeen.net> X-Enigmail-Version: 1.6 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Barracuda-Connect: sandeen.net[63.231.237.45] X-Barracuda-Start-Time: 1397486796 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4898 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- A recent change to xlog_print_trans_efi() led to a leaked "src_f" on this error return. Signed-off-by: Eric Sandeen --- diff --git a/logprint/log_misc.c b/logprint/log_misc.c index 928f60a..d482cf3 100644 --- a/logprint/log_misc.c +++ b/logprint/log_misc.c @@ -482,7 +482,7 @@ xlog_print_trans_efi( uint src_len, int continued) { - xfs_efi_log_format_t *src_f, *f; + xfs_efi_log_format_t *src_f, *f = NULL; uint dst_len; xfs_extent_t *ex; int i; @@ -505,7 +505,8 @@ xlog_print_trans_efi( if (continued && src_len < core_size) { printf(_("EFI: Not enough data to decode further\n")); - return 1; + error = 1; + goto error; } if ((f = (xfs_efi_log_format_t *)malloc(dst_len)) == NULL) { From sandeen@sandeen.net Mon Apr 14 09:48:33 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 81E787F4E for ; Mon, 14 Apr 2014 09:48:33 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id 5E7F38F8049 for ; Mon, 14 Apr 2014 07:48:30 -0700 (PDT) X-ASG-Debug-ID: 1397486907-04bdf07dca1ccf80001-NocioJ Received: from sandeen.net (sandeen.net [63.231.237.45]) by cuda.sgi.com with ESMTP id U1b5XZwKEtn64IGD for ; Mon, 14 Apr 2014 07:48:27 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@sandeen.net X-Barracuda-Apparent-Source-IP: 63.231.237.45 Received: from liberator.sandeen.net (liberator.sandeen.net [10.0.0.4]) (using TLSv1 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (No client certificate requested) by sandeen.net (Postfix) with ESMTPSA id 6A4D063C5FC4 for ; Mon, 14 Apr 2014 09:48:27 -0500 (CDT) Message-ID: <534BF53C.4000706@sandeen.net> Date: Mon, 14 Apr 2014 09:48:28 -0500 From: Eric Sandeen User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:24.0) Gecko/20100101 Thunderbird/24.4.0 MIME-Version: 1.0 To: xfs-oss Subject: Re: [PATCH 2/2] mkfs.xfs: prevent close(-1) on protofile error path References: <534BF472.8030908@sandeen.net> X-ASG-Orig-Subj: Re: [PATCH 2/2] mkfs.xfs: prevent close(-1) on protofile error path In-Reply-To: <534BF472.8030908@sandeen.net> X-Enigmail-Version: 1.6 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Barracuda-Connect: sandeen.net[63.231.237.45] X-Barracuda-Start-Time: 1397486907 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4898 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- My previous cleanups introduced this; in the case where fd=open() failed, the out_fail: path would try to close(-1). Signed-off-by: Eric Sandeen --- diff --git a/mkfs/proto.c b/mkfs/proto.c index 308325b..5a47e27 100644 --- a/mkfs/proto.c +++ b/mkfs/proto.c @@ -84,7 +84,8 @@ setup_proto( return buf; out_fail: - close(fd); + if (fd >= 0) + close(fd); free(buf); exit(1); } From tinguely@sgi.com Mon Apr 14 09:54:26 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=RP_MATCHES_RCVD autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 4A56129DF7 for ; Mon, 14 Apr 2014 09:54:26 -0500 (CDT) Received: from eagdhcp-232-178.americas.sgi.com (eagdhcp-232-178.americas.sgi.com [128.162.232.178]) by relay2.corp.sgi.com (Postfix) with ESMTP id 1463E304067; Mon, 14 Apr 2014 07:54:22 -0700 (PDT) Message-ID: <534BF6A0.2070202@sgi.com> Date: Mon, 14 Apr 2014 09:54:24 -0500 From: Mark Tinguely User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:9.0) Gecko/20120122 Thunderbird/9.0 MIME-Version: 1.0 To: Eric Sandeen CC: xfs-oss Subject: Re: [PATCH 1/2] xfs_logprint: Fix error handling in xlog_print_trans_efi References: <534BF472.8030908@sandeen.net> <534BF4CD.1080702@sandeen.net> In-Reply-To: <534BF4CD.1080702@sandeen.net> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit On 04/14/14 09:46, Eric Sandeen wrote: > A recent change to xlog_print_trans_efi() led to a leaked > "src_f" on this error return. > > Signed-off-by: Eric Sandeen > --- > > diff --git a/logprint/log_misc.c b/logprint/log_misc.c > index 928f60a..d482cf3 100644 > --- a/logprint/log_misc.c > +++ b/logprint/log_misc.c > @@ -482,7 +482,7 @@ xlog_print_trans_efi( > uint src_len, > int continued) > { > - xfs_efi_log_format_t *src_f, *f; > + xfs_efi_log_format_t *src_f, *f = NULL; > uint dst_len; > xfs_extent_t *ex; > int i; > @@ -505,7 +505,8 @@ xlog_print_trans_efi( > > if (continued&& src_len< core_size) { > printf(_("EFI: Not enough data to decode further\n")); > - return 1; > + error = 1; > + goto error; > } > > if ((f = (xfs_efi_log_format_t *)malloc(dst_len)) == NULL) { > Looks good. Thank-you Eric and Coverity. Reviewed-by: Mark Tinguely From tinguely@sgi.com Mon Apr 14 10:02:00 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=RP_MATCHES_RCVD autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 7F0DD29DF7 for ; Mon, 14 Apr 2014 10:02:00 -0500 (CDT) Received: from eagdhcp-232-178.americas.sgi.com (eagdhcp-232-178.americas.sgi.com [128.162.232.178]) by relay1.corp.sgi.com (Postfix) with ESMTP id 5B8EA8F8040; Mon, 14 Apr 2014 08:01:57 -0700 (PDT) Message-ID: <534BF866.4020007@sgi.com> Date: Mon, 14 Apr 2014 10:01:58 -0500 From: Mark Tinguely User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:9.0) Gecko/20120122 Thunderbird/9.0 MIME-Version: 1.0 To: Eric Sandeen CC: xfs-oss Subject: Re: [PATCH 2/2] mkfs.xfs: prevent close(-1) on protofile error path References: <534BF472.8030908@sandeen.net> <534BF53C.4000706@sandeen.net> In-Reply-To: <534BF53C.4000706@sandeen.net> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit On 04/14/14 09:48, Eric Sandeen wrote: > My previous cleanups introduced this; in the case where > fd=open() failed, the out_fail: path would try to close(-1). > > Signed-off-by: Eric Sandeen > --- > > diff --git a/mkfs/proto.c b/mkfs/proto.c > index 308325b..5a47e27 100644 > --- a/mkfs/proto.c > +++ b/mkfs/proto.c > @@ -84,7 +84,8 @@ setup_proto( > return buf; > > out_fail: > - close(fd); > + if (fd>= 0) > + close(fd); > free(buf); > exit(1); > } > I would have bypassed the close with a new open error goto, but this does the trick as well. Reviewed-by: Mark Tinguely From bfoster@redhat.com Mon Apr 14 11:43:19 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id E23D17F37 for ; Mon, 14 Apr 2014 11:43:19 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id BA1BC8F8035 for ; Mon, 14 Apr 2014 09:43:16 -0700 (PDT) X-ASG-Debug-ID: 1397493795-04cb6c77b51ca100001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id WKT4iwLxgs3aiaVC for ; Mon, 14 Apr 2014 09:43:16 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx13.intmail.prod.int.phx2.redhat.com (int-mx13.intmail.prod.int.phx2.redhat.com [10.5.11.26]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3EGhFcS004366 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Mon, 14 Apr 2014 12:43:15 -0400 Received: from bfoster.bfoster ([10.18.41.237]) by int-mx13.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s3EGhFmt007950 for ; Mon, 14 Apr 2014 12:43:15 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id 6A47112017D; Mon, 14 Apr 2014 12:43:14 -0400 (EDT) Date: Mon, 14 Apr 2014 12:43:14 -0400 From: Brian Foster To: xfs@oss.sgi.com Subject: xfs readdir hang on for-next (3.15.0-rc1) Message-ID: <20140414164313.GA62307@bfoster.bfoster> X-ASG-Orig-Subj: xfs readdir hang on for-next (3.15.0-rc1) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.21 (2010-09-15) X-Scanned-By: MIMEDefang 2.68 on 10.5.11.26 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1397493795 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 Hi all, This is a heads up that I'm seeing a blatant readdir hang on the current for-next with selinux enabled. To reproduce, I format a clean fs, mount and attempt an ls. The problem does not occur with selinux disabled, if I back out the following commit: 40194ecc6d78 xfs: reinstate the ilock in xfs_readdir ... or if I remove the locking around xfs_attr_get(), so I suspect this is another instance of a recursive deadlock. I'm getting no output whatsoever in order to confirm this and it also leads to a complete system lockup. It's also interesting that this hasn't been observed until now, given the above commit was introduced in 3.14. So the above commit doesn't appear to be the most recent change that triggers this. I reproduced on the latest linus tree and do not reproduce on 3.14, so I'm trying to do a bisect to find out what else might have changed to trigger this. Brian From a.m.k.yassiin@g.pl Mon Apr 14 13:34:17 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: * X-Spam-Status: No, score=1.8 required=5.0 tests=URG_BIZ autolearn=no version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id DB6417F37 for ; Mon, 14 Apr 2014 13:34:17 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id C4ACA8F8037 for ; Mon, 14 Apr 2014 11:34:14 -0700 (PDT) X-ASG-Debug-ID: 1397500452-04cb6c2439030b0001-NocioJ Received: from mail.vps.com ([138.91.226.247]) by cuda.sgi.com with ESMTP id fZHDM1brDvhqtjwv for ; Mon, 14 Apr 2014 11:34:13 -0700 (PDT) X-Barracuda-Envelope-From: a.m.k.yassiin@g.pl X-Barracuda-Apparent-Source-IP: 138.91.226.247 Received: from [138.91.226.247] (localhost [IPv6:::1]) by mail.vps.com (Postfix) with ESMTP id 9A4FF40DD1; Mon, 14 Apr 2014 14:09:38 -0400 (EDT) Received: from 94.202.194.54 (SquirrelMail authenticated user admin) by 138.91.226.247 with HTTP; Mon, 14 Apr 2014 14:09:39 -0400 Message-ID: <2254661b9b5eb984e68f7cc9d8b1e958.squirrel@138.91.226.247> Date: Mon, 14 Apr 2014 14:09:39 -0400 Subject: Interesting deal From: "A.M.K.Yassin" X-ASG-Orig-Subj: Interesting deal Reply-To: a.m.k.yasin@g.pl User-Agent: SquirrelMail/1.4.22 MIME-Version: 1.0 Content-Type: multipart/mixed;boundary="----=_20140414140939_15623" X-Priority: 3 (Normal) Importance: Normal To: undisclosed-recipients:; X-Barracuda-Connect: UNKNOWN[138.91.226.247] X-Barracuda-Start-Time: 1397500452 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 2.27 X-Barracuda-Spam-Status: No, SCORE=2.27 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC2_MV0291, RDNS_NONE, URG_BIZ X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4905 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.67 URG_BIZ BODY: Contains urgent matter 1.50 BSF_SC2_MV0291 Custom rule MV0291 0.10 RDNS_NONE Delivered to trusted network by a host with no rDNS ------=_20140414140939_15623 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 8bit Greeting, My name is Mr. A. M. Yassin, I live and work in Abu Dhabi UAE. I have an urgent business which I believe will interest you. Find the enclose for details. For any reason you cannot open that attachment, please let me know so that I can resend it in the body of the mail, thank you. I wait for your response, Thank you. Regards A. M. 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tyRBhrvsOOslFHz1 for ; Mon, 14 Apr 2014 12:09:05 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx13.intmail.prod.int.phx2.redhat.com (int-mx13.intmail.prod.int.phx2.redhat.com [10.5.11.26]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3EJ8bxe021851 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 14 Apr 2014 15:08:38 -0400 Received: from bfoster.bfoster ([10.18.41.237]) by int-mx13.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s3EJ8b83004091; Mon, 14 Apr 2014 15:08:37 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id 683AB12017D; Mon, 14 Apr 2014 15:08:36 -0400 (EDT) Date: Mon, 14 Apr 2014 15:08:36 -0400 From: Brian Foster To: xfs@oss.sgi.com Cc: Peter Zijlstra Subject: Re: xfs readdir hang on for-next (3.15.0-rc1) Message-ID: <20140414190834.GB62307@bfoster.bfoster> X-ASG-Orig-Subj: Re: xfs readdir hang on for-next (3.15.0-rc1) References: <20140414164313.GA62307@bfoster.bfoster> MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="zx4FCpZtqtKETZ7O" Content-Disposition: inline In-Reply-To: <20140414164313.GA62307@bfoster.bfoster> User-Agent: Mutt/1.5.21 (2010-09-15) X-Scanned-By: MIMEDefang 2.68 on 10.5.11.26 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1397502545 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 --zx4FCpZtqtKETZ7O Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Mon, Apr 14, 2014 at 12:43:14PM -0400, Brian Foster wrote: > Hi all, > > This is a heads up that I'm seeing a blatant readdir hang on the current > for-next with selinux enabled. To reproduce, I format a clean fs, mount > and attempt an ls. > > The problem does not occur with selinux disabled, if I back out the > following commit: > > 40194ecc6d78 xfs: reinstate the ilock in xfs_readdir > > ... or if I remove the locking around xfs_attr_get(), so I suspect this > is another instance of a recursive deadlock. I'm getting no output > whatsoever in order to confirm this and it also leads to a complete > system lockup. It's also interesting that this hasn't been observed > until now, given the above commit was introduced in 3.14. So the above > commit doesn't appear to be the most recent change that triggers this. > > I reproduced on the latest linus tree and do not reproduce on 3.14, so > I'm trying to do a bisect to find out what else might have changed to > trigger this. > This bisected down to: commit 6f008e72cd111a119b5d8de8c5438d892aae99eb Author: Peter Zijlstra Date: Wed Mar 12 13:24:42 2014 +0100 locking/mutex: Fix debug checks ... ... which suggests something down in the mutex debug code. Indeed, the problem no longer occurs if I disable kernel debug in my .config. What is also interesting is that it didn't return when I reenable DEBUG_KERNEL and DEBUG_MUTEXES alone. It does return when I start to enable some of the other lock debugging options. FWIW, I also cleared out my tree and rebuilt from scratch just to be sure that I didn't have anything stale/broken lying around. Peter, Any insight on this? I reproduce on a 4xcpu x86-64 vm, 4GB RAM and a 20GB partition on a virtio disk: mkfs.xfs -f /dev/vdb1 mount /dev/vdb1 /mnt ls /mnt/ Note again that SELinux being enabled appears to be a factor. The kernel .config is attached. Thanks. Brian > Brian > > _______________________________________________ > xfs mailing list > xfs@oss.sgi.com > http://oss.sgi.com/mailman/listinfo/xfs --zx4FCpZtqtKETZ7O Content-Type: text/plain; charset=us-ascii Content-Disposition: attachment; filename=config # # Automatically generated file; DO NOT EDIT. # Linux/x86 3.15.0-rc1 Kernel Configuration # CONFIG_64BIT=y CONFIG_X86_64=y CONFIG_X86=y CONFIG_INSTRUCTION_DECODER=y CONFIG_OUTPUT_FORMAT="elf64-x86-64" CONFIG_ARCH_DEFCONFIG="arch/x86/configs/x86_64_defconfig" CONFIG_LOCKDEP_SUPPORT=y CONFIG_STACKTRACE_SUPPORT=y CONFIG_HAVE_LATENCYTOP_SUPPORT=y CONFIG_MMU=y CONFIG_NEED_DMA_MAP_STATE=y CONFIG_NEED_SG_DMA_LENGTH=y CONFIG_GENERIC_ISA_DMA=y CONFIG_GENERIC_BUG=y CONFIG_GENERIC_BUG_RELATIVE_POINTERS=y CONFIG_GENERIC_HWEIGHT=y CONFIG_ARCH_MAY_HAVE_PC_FDC=y CONFIG_RWSEM_XCHGADD_ALGORITHM=y CONFIG_GENERIC_CALIBRATE_DELAY=y CONFIG_ARCH_HAS_CPU_RELAX=y CONFIG_ARCH_HAS_CACHE_LINE_SIZE=y CONFIG_HAVE_SETUP_PER_CPU_AREA=y CONFIG_NEED_PER_CPU_EMBED_FIRST_CHUNK=y CONFIG_NEED_PER_CPU_PAGE_FIRST_CHUNK=y CONFIG_ARCH_HIBERNATION_POSSIBLE=y CONFIG_ARCH_SUSPEND_POSSIBLE=y CONFIG_ARCH_WANT_HUGE_PMD_SHARE=y CONFIG_ARCH_WANT_GENERAL_HUGETLB=y CONFIG_ZONE_DMA32=y CONFIG_AUDIT_ARCH=y CONFIG_ARCH_SUPPORTS_OPTIMIZED_INLINING=y CONFIG_ARCH_SUPPORTS_DEBUG_PAGEALLOC=y CONFIG_HAVE_INTEL_TXT=y CONFIG_X86_64_SMP=y CONFIG_X86_HT=y CONFIG_ARCH_HWEIGHT_CFLAGS="-fcall-saved-rdi -fcall-saved-rsi -fcall-saved-rdx -fcall-saved-rcx -fcall-saved-r8 -fcall-saved-r9 -fcall-saved-r10 -fcall-saved-r11" CONFIG_ARCH_SUPPORTS_UPROBES=y CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config" CONFIG_IRQ_WORK=y CONFIG_BUILDTIME_EXTABLE_SORT=y # # General setup # CONFIG_INIT_ENV_ARG_LIMIT=32 CONFIG_CROSS_COMPILE="" # CONFIG_COMPILE_TEST is not set CONFIG_LOCALVERSION="" # CONFIG_LOCALVERSION_AUTO is not set CONFIG_HAVE_KERNEL_GZIP=y CONFIG_HAVE_KERNEL_BZIP2=y CONFIG_HAVE_KERNEL_LZMA=y CONFIG_HAVE_KERNEL_XZ=y CONFIG_HAVE_KERNEL_LZO=y CONFIG_HAVE_KERNEL_LZ4=y CONFIG_KERNEL_GZIP=y # CONFIG_KERNEL_BZIP2 is not set # CONFIG_KERNEL_LZMA is not set # CONFIG_KERNEL_XZ is not set # CONFIG_KERNEL_LZO is not set # CONFIG_KERNEL_LZ4 is not set CONFIG_DEFAULT_HOSTNAME="(none)" CONFIG_SWAP=y CONFIG_SYSVIPC=y CONFIG_SYSVIPC_SYSCTL=y CONFIG_POSIX_MQUEUE=y CONFIG_POSIX_MQUEUE_SYSCTL=y CONFIG_FHANDLE=y CONFIG_USELIB=y CONFIG_AUDIT=y CONFIG_HAVE_ARCH_AUDITSYSCALL=y CONFIG_AUDITSYSCALL=y CONFIG_AUDIT_WATCH=y CONFIG_AUDIT_TREE=y # # IRQ subsystem # CONFIG_GENERIC_IRQ_PROBE=y CONFIG_GENERIC_IRQ_SHOW=y CONFIG_GENERIC_PENDING_IRQ=y CONFIG_IRQ_DOMAIN=y # CONFIG_IRQ_DOMAIN_DEBUG is not set CONFIG_IRQ_FORCED_THREADING=y CONFIG_SPARSE_IRQ=y CONFIG_CLOCKSOURCE_WATCHDOG=y CONFIG_ARCH_CLOCKSOURCE_DATA=y CONFIG_GENERIC_TIME_VSYSCALL=y CONFIG_GENERIC_CLOCKEVENTS=y CONFIG_GENERIC_CLOCKEVENTS_BUILD=y CONFIG_GENERIC_CLOCKEVENTS_BROADCAST=y CONFIG_GENERIC_CLOCKEVENTS_MIN_ADJUST=y CONFIG_GENERIC_CMOS_UPDATE=y # # Timers subsystem # CONFIG_TICK_ONESHOT=y CONFIG_NO_HZ_COMMON=y # CONFIG_HZ_PERIODIC is not set CONFIG_NO_HZ_IDLE=y # CONFIG_NO_HZ_FULL is not set CONFIG_NO_HZ=y CONFIG_HIGH_RES_TIMERS=y # # CPU/Task time and stats accounting # # CONFIG_TICK_CPU_ACCOUNTING is not set # CONFIG_VIRT_CPU_ACCOUNTING_GEN is not set CONFIG_IRQ_TIME_ACCOUNTING=y CONFIG_BSD_PROCESS_ACCT=y CONFIG_BSD_PROCESS_ACCT_V3=y CONFIG_TASKSTATS=y CONFIG_TASK_DELAY_ACCT=y CONFIG_TASK_XACCT=y CONFIG_TASK_IO_ACCOUNTING=y # # RCU Subsystem # CONFIG_TREE_RCU=y # CONFIG_PREEMPT_RCU is not set CONFIG_RCU_STALL_COMMON=y # CONFIG_RCU_USER_QS is not set CONFIG_RCU_FANOUT=64 CONFIG_RCU_FANOUT_LEAF=16 # CONFIG_RCU_FANOUT_EXACT is not set # CONFIG_RCU_FAST_NO_HZ is not set # CONFIG_TREE_RCU_TRACE is not set # CONFIG_RCU_NOCB_CPU is not set CONFIG_IKCONFIG=m # CONFIG_IKCONFIG_PROC is not set CONFIG_LOG_BUF_SHIFT=18 CONFIG_HAVE_UNSTABLE_SCHED_CLOCK=y CONFIG_ARCH_SUPPORTS_NUMA_BALANCING=y CONFIG_ARCH_SUPPORTS_INT128=y CONFIG_ARCH_WANTS_PROT_NUMA_PROT_NONE=y CONFIG_ARCH_USES_NUMA_PROT_NONE=y CONFIG_NUMA_BALANCING_DEFAULT_ENABLED=y CONFIG_NUMA_BALANCING=y CONFIG_CGROUPS=y # CONFIG_CGROUP_DEBUG is not set CONFIG_CGROUP_FREEZER=y CONFIG_CGROUP_DEVICE=y CONFIG_CPUSETS=y CONFIG_PROC_PID_CPUSET=y CONFIG_CGROUP_CPUACCT=y CONFIG_RESOURCE_COUNTERS=y CONFIG_MEMCG=y CONFIG_MEMCG_SWAP=y CONFIG_MEMCG_SWAP_ENABLED=y CONFIG_MEMCG_KMEM=y CONFIG_CGROUP_HUGETLB=y CONFIG_CGROUP_PERF=y CONFIG_CGROUP_SCHED=y CONFIG_FAIR_GROUP_SCHED=y CONFIG_CFS_BANDWIDTH=y CONFIG_RT_GROUP_SCHED=y CONFIG_BLK_CGROUP=y CONFIG_DEBUG_BLK_CGROUP=y # CONFIG_CHECKPOINT_RESTORE is not set CONFIG_NAMESPACES=y CONFIG_UTS_NS=y CONFIG_IPC_NS=y CONFIG_USER_NS=y CONFIG_PID_NS=y CONFIG_NET_NS=y CONFIG_SCHED_AUTOGROUP=y CONFIG_MM_OWNER=y # CONFIG_SYSFS_DEPRECATED is not set CONFIG_RELAY=y CONFIG_BLK_DEV_INITRD=y CONFIG_INITRAMFS_SOURCE="" CONFIG_RD_GZIP=y CONFIG_RD_BZIP2=y CONFIG_RD_LZMA=y CONFIG_RD_XZ=y CONFIG_RD_LZO=y CONFIG_RD_LZ4=y # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set CONFIG_SYSCTL=y CONFIG_ANON_INODES=y CONFIG_HAVE_UID16=y CONFIG_SYSCTL_EXCEPTION_TRACE=y CONFIG_HAVE_PCSPKR_PLATFORM=y # CONFIG_EXPERT is not set CONFIG_UID16=y CONFIG_SYSFS_SYSCALL=y # CONFIG_SYSCTL_SYSCALL is not set CONFIG_KALLSYMS=y CONFIG_KALLSYMS_ALL=y CONFIG_PRINTK=y CONFIG_BUG=y CONFIG_ELF_CORE=y CONFIG_PCSPKR_PLATFORM=y CONFIG_BASE_FULL=y CONFIG_FUTEX=y CONFIG_EPOLL=y CONFIG_SIGNALFD=y CONFIG_TIMERFD=y CONFIG_EVENTFD=y CONFIG_SHMEM=y CONFIG_AIO=y CONFIG_PCI_QUIRKS=y # CONFIG_EMBEDDED is not set CONFIG_HAVE_PERF_EVENTS=y # # Kernel Performance Events And Counters # CONFIG_PERF_EVENTS=y # CONFIG_DEBUG_PERF_USE_VMALLOC is not set CONFIG_VM_EVENT_COUNTERS=y CONFIG_SLUB_DEBUG=y # CONFIG_COMPAT_BRK is not set # CONFIG_SLAB is not set CONFIG_SLUB=y CONFIG_SLUB_CPU_PARTIAL=y CONFIG_PROFILING=y CONFIG_TRACEPOINTS=y # CONFIG_OPROFILE is not set CONFIG_HAVE_OPROFILE=y CONFIG_OPROFILE_NMI_TIMER=y CONFIG_KPROBES=y CONFIG_JUMP_LABEL=y CONFIG_OPTPROBES=y CONFIG_KPROBES_ON_FTRACE=y CONFIG_UPROBES=y # CONFIG_HAVE_64BIT_ALIGNED_ACCESS is not set CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS=y CONFIG_ARCH_USE_BUILTIN_BSWAP=y CONFIG_KRETPROBES=y CONFIG_HAVE_IOREMAP_PROT=y CONFIG_HAVE_KPROBES=y CONFIG_HAVE_KRETPROBES=y CONFIG_HAVE_OPTPROBES=y CONFIG_HAVE_KPROBES_ON_FTRACE=y CONFIG_HAVE_ARCH_TRACEHOOK=y CONFIG_HAVE_DMA_ATTRS=y CONFIG_GENERIC_SMP_IDLE_THREAD=y CONFIG_HAVE_REGS_AND_STACK_ACCESS_API=y CONFIG_HAVE_CLK=y CONFIG_HAVE_DMA_API_DEBUG=y CONFIG_HAVE_HW_BREAKPOINT=y CONFIG_HAVE_MIXED_BREAKPOINTS_REGS=y CONFIG_HAVE_USER_RETURN_NOTIFIER=y CONFIG_HAVE_PERF_EVENTS_NMI=y CONFIG_HAVE_PERF_REGS=y CONFIG_HAVE_PERF_USER_STACK_DUMP=y CONFIG_HAVE_ARCH_JUMP_LABEL=y CONFIG_ARCH_HAVE_NMI_SAFE_CMPXCHG=y CONFIG_HAVE_ALIGNED_STRUCT_PAGE=y CONFIG_HAVE_CMPXCHG_LOCAL=y CONFIG_HAVE_CMPXCHG_DOUBLE=y CONFIG_ARCH_WANT_COMPAT_IPC_PARSE_VERSION=y CONFIG_ARCH_WANT_OLD_COMPAT_IPC=y CONFIG_HAVE_ARCH_SECCOMP_FILTER=y CONFIG_SECCOMP_FILTER=y CONFIG_HAVE_CC_STACKPROTECTOR=y # CONFIG_CC_STACKPROTECTOR is not set CONFIG_CC_STACKPROTECTOR_NONE=y # CONFIG_CC_STACKPROTECTOR_REGULAR is not set # CONFIG_CC_STACKPROTECTOR_STRONG is not set CONFIG_HAVE_CONTEXT_TRACKING=y CONFIG_HAVE_VIRT_CPU_ACCOUNTING_GEN=y CONFIG_HAVE_IRQ_TIME_ACCOUNTING=y CONFIG_HAVE_ARCH_TRANSPARENT_HUGEPAGE=y CONFIG_HAVE_ARCH_SOFT_DIRTY=y CONFIG_MODULES_USE_ELF_RELA=y CONFIG_HAVE_IRQ_EXIT_ON_IRQ_STACK=y CONFIG_OLD_SIGSUSPEND3=y CONFIG_COMPAT_OLD_SIGACTION=y # # GCOV-based kernel profiling # # CONFIG_GCOV_KERNEL is not set # CONFIG_HAVE_GENERIC_DMA_COHERENT is not set CONFIG_SLABINFO=y CONFIG_RT_MUTEXES=y CONFIG_BASE_SMALL=0 CONFIG_SYSTEM_TRUSTED_KEYRING=y CONFIG_MODULES=y # CONFIG_MODULE_FORCE_LOAD is not set CONFIG_MODULE_UNLOAD=y CONFIG_MODULE_FORCE_UNLOAD=y # CONFIG_MODVERSIONS is not set # CONFIG_MODULE_SRCVERSION_ALL is not set # CONFIG_MODULE_SIG is not set CONFIG_STOP_MACHINE=y CONFIG_BLOCK=y CONFIG_BLK_DEV_BSG=y CONFIG_BLK_DEV_BSGLIB=y CONFIG_BLK_DEV_INTEGRITY=y CONFIG_BLK_DEV_THROTTLING=y # CONFIG_BLK_CMDLINE_PARSER is not set # # Partition Types # CONFIG_PARTITION_ADVANCED=y # CONFIG_ACORN_PARTITION is not set CONFIG_AIX_PARTITION=y CONFIG_OSF_PARTITION=y CONFIG_AMIGA_PARTITION=y # CONFIG_ATARI_PARTITION is not set CONFIG_MAC_PARTITION=y CONFIG_MSDOS_PARTITION=y CONFIG_BSD_DISKLABEL=y CONFIG_MINIX_SUBPARTITION=y CONFIG_SOLARIS_X86_PARTITION=y CONFIG_UNIXWARE_DISKLABEL=y CONFIG_LDM_PARTITION=y # CONFIG_LDM_DEBUG is not set CONFIG_SGI_PARTITION=y # CONFIG_ULTRIX_PARTITION is not set CONFIG_SUN_PARTITION=y CONFIG_KARMA_PARTITION=y CONFIG_EFI_PARTITION=y # CONFIG_SYSV68_PARTITION is not set # CONFIG_CMDLINE_PARTITION is not set CONFIG_BLOCK_COMPAT=y # # IO Schedulers # CONFIG_IOSCHED_NOOP=y CONFIG_IOSCHED_DEADLINE=y CONFIG_IOSCHED_CFQ=y CONFIG_CFQ_GROUP_IOSCHED=y # CONFIG_DEFAULT_DEADLINE is not set CONFIG_DEFAULT_CFQ=y # CONFIG_DEFAULT_NOOP is not set CONFIG_DEFAULT_IOSCHED="cfq" CONFIG_ASN1=y CONFIG_UNINLINE_SPIN_UNLOCK=y CONFIG_FREEZER=y # # Processor type and features # CONFIG_ZONE_DMA=y CONFIG_SMP=y CONFIG_X86_X2APIC=y CONFIG_X86_MPPARSE=y CONFIG_X86_EXTENDED_PLATFORM=y # CONFIG_X86_NUMACHIP is not set # CONFIG_X86_VSMP is not set CONFIG_X86_UV=y CONFIG_X86_INTEL_LPSS=y CONFIG_X86_SUPPORTS_MEMORY_FAILURE=y CONFIG_SCHED_OMIT_FRAME_POINTER=y CONFIG_HYPERVISOR_GUEST=y CONFIG_PARAVIRT=y # CONFIG_PARAVIRT_DEBUG is not set # CONFIG_PARAVIRT_SPINLOCKS is not set CONFIG_XEN=y CONFIG_XEN_DOM0=y CONFIG_XEN_PVHVM=y CONFIG_XEN_MAX_DOMAIN_MEMORY=500 CONFIG_XEN_SAVE_RESTORE=y CONFIG_XEN_DEBUG_FS=y # CONFIG_XEN_PVH is not set CONFIG_KVM_GUEST=y # CONFIG_KVM_DEBUG_FS is not set CONFIG_PARAVIRT_TIME_ACCOUNTING=y CONFIG_PARAVIRT_CLOCK=y CONFIG_NO_BOOTMEM=y # CONFIG_MEMTEST is not set # CONFIG_MK8 is not set # CONFIG_MPSC is not set # CONFIG_MCORE2 is not set # CONFIG_MATOM is not set CONFIG_GENERIC_CPU=y CONFIG_X86_INTERNODE_CACHE_SHIFT=6 CONFIG_X86_L1_CACHE_SHIFT=6 CONFIG_X86_TSC=y CONFIG_X86_CMPXCHG64=y CONFIG_X86_CMOV=y CONFIG_X86_MINIMUM_CPU_FAMILY=64 CONFIG_X86_DEBUGCTLMSR=y CONFIG_CPU_SUP_INTEL=y CONFIG_CPU_SUP_AMD=y CONFIG_CPU_SUP_CENTAUR=y CONFIG_HPET_TIMER=y CONFIG_HPET_EMULATE_RTC=y CONFIG_DMI=y # CONFIG_GART_IOMMU is not set # CONFIG_CALGARY_IOMMU is not set CONFIG_SWIOTLB=y CONFIG_IOMMU_HELPER=y # CONFIG_MAXSMP is not set CONFIG_NR_CPUS=8 CONFIG_SCHED_SMT=y CONFIG_SCHED_MC=y # CONFIG_PREEMPT_NONE is not set CONFIG_PREEMPT_VOLUNTARY=y # CONFIG_PREEMPT is not set CONFIG_PREEMPT_COUNT=y CONFIG_X86_LOCAL_APIC=y CONFIG_X86_IO_APIC=y CONFIG_X86_REROUTE_FOR_BROKEN_BOOT_IRQS=y CONFIG_X86_MCE=y CONFIG_X86_MCE_INTEL=y CONFIG_X86_MCE_AMD=y CONFIG_X86_MCE_THRESHOLD=y # CONFIG_X86_MCE_INJECT is not set CONFIG_X86_THERMAL_VECTOR=y # CONFIG_I8K is not set CONFIG_MICROCODE=m CONFIG_MICROCODE_INTEL=y CONFIG_MICROCODE_AMD=y CONFIG_MICROCODE_OLD_INTERFACE=y # CONFIG_MICROCODE_INTEL_EARLY is not set # CONFIG_MICROCODE_AMD_EARLY is not set CONFIG_X86_MSR=y CONFIG_X86_CPUID=y CONFIG_ARCH_PHYS_ADDR_T_64BIT=y CONFIG_ARCH_DMA_ADDR_T_64BIT=y CONFIG_DIRECT_GBPAGES=y CONFIG_NUMA=y CONFIG_AMD_NUMA=y CONFIG_X86_64_ACPI_NUMA=y CONFIG_NODES_SPAN_OTHER_NODES=y # CONFIG_NUMA_EMU is not set CONFIG_NODES_SHIFT=6 CONFIG_ARCH_SPARSEMEM_ENABLE=y CONFIG_ARCH_SPARSEMEM_DEFAULT=y CONFIG_ARCH_SELECT_MEMORY_MODEL=y # CONFIG_ARCH_MEMORY_PROBE is not set CONFIG_ARCH_PROC_KCORE_TEXT=y CONFIG_ILLEGAL_POINTER_VALUE=0xdead000000000000 CONFIG_SELECT_MEMORY_MODEL=y CONFIG_SPARSEMEM_MANUAL=y CONFIG_SPARSEMEM=y CONFIG_NEED_MULTIPLE_NODES=y CONFIG_HAVE_MEMORY_PRESENT=y CONFIG_SPARSEMEM_EXTREME=y CONFIG_SPARSEMEM_VMEMMAP_ENABLE=y CONFIG_SPARSEMEM_ALLOC_MEM_MAP_TOGETHER=y CONFIG_SPARSEMEM_VMEMMAP=y CONFIG_HAVE_MEMBLOCK=y CONFIG_HAVE_MEMBLOCK_NODE_MAP=y CONFIG_ARCH_DISCARD_MEMBLOCK=y CONFIG_MEMORY_ISOLATION=y # CONFIG_MOVABLE_NODE is not set # CONFIG_HAVE_BOOTMEM_INFO_NODE is not set CONFIG_MEMORY_HOTPLUG=y CONFIG_MEMORY_HOTPLUG_SPARSE=y # CONFIG_MEMORY_HOTREMOVE is not set CONFIG_PAGEFLAGS_EXTENDED=y CONFIG_SPLIT_PTLOCK_CPUS=4 CONFIG_ARCH_ENABLE_SPLIT_PMD_PTLOCK=y CONFIG_BALLOON_COMPACTION=y CONFIG_COMPACTION=y CONFIG_MIGRATION=y CONFIG_PHYS_ADDR_T_64BIT=y CONFIG_ZONE_DMA_FLAG=1 CONFIG_BOUNCE=y CONFIG_VIRT_TO_BUS=y CONFIG_KSM=y CONFIG_DEFAULT_MMAP_MIN_ADDR=65536 CONFIG_ARCH_SUPPORTS_MEMORY_FAILURE=y CONFIG_MEMORY_FAILURE=y # CONFIG_HWPOISON_INJECT is not set CONFIG_TRANSPARENT_HUGEPAGE=y CONFIG_TRANSPARENT_HUGEPAGE_ALWAYS=y # CONFIG_TRANSPARENT_HUGEPAGE_MADVISE is not set CONFIG_CROSS_MEMORY_ATTACH=y CONFIG_CLEANCACHE=y CONFIG_FRONTSWAP=y # CONFIG_CMA is not set CONFIG_ZBUD=y CONFIG_ZSWAP=y # CONFIG_ZSMALLOC is not set CONFIG_GENERIC_EARLY_IOREMAP=y CONFIG_X86_CHECK_BIOS_CORRUPTION=y CONFIG_X86_BOOTPARAM_MEMORY_CORRUPTION_CHECK=y CONFIG_X86_RESERVE_LOW=64 CONFIG_MTRR=y CONFIG_MTRR_SANITIZER=y CONFIG_MTRR_SANITIZER_ENABLE_DEFAULT=0 CONFIG_MTRR_SANITIZER_SPARE_REG_NR_DEFAULT=1 CONFIG_X86_PAT=y CONFIG_ARCH_USES_PG_UNCACHED=y CONFIG_ARCH_RANDOM=y CONFIG_X86_SMAP=y CONFIG_EFI=y CONFIG_EFI_STUB=y # CONFIG_EFI_MIXED is not set CONFIG_SECCOMP=y # CONFIG_HZ_100 is not set # CONFIG_HZ_250 is not set # CONFIG_HZ_300 is not set CONFIG_HZ_1000=y CONFIG_HZ=1000 CONFIG_SCHED_HRTICK=y CONFIG_KEXEC=y CONFIG_CRASH_DUMP=y CONFIG_KEXEC_JUMP=y CONFIG_PHYSICAL_START=0x1000000 CONFIG_RELOCATABLE=y CONFIG_PHYSICAL_ALIGN=0x1000000 CONFIG_HOTPLUG_CPU=y # CONFIG_BOOTPARAM_HOTPLUG_CPU0 is not set # CONFIG_DEBUG_HOTPLUG_CPU0 is not set # CONFIG_COMPAT_VDSO is not set # CONFIG_CMDLINE_BOOL is not set CONFIG_ARCH_ENABLE_MEMORY_HOTPLUG=y CONFIG_ARCH_ENABLE_MEMORY_HOTREMOVE=y CONFIG_USE_PERCPU_NUMA_NODE_ID=y # # Power management and ACPI options # CONFIG_ARCH_HIBERNATION_HEADER=y CONFIG_SUSPEND=y CONFIG_SUSPEND_FREEZER=y CONFIG_HIBERNATE_CALLBACKS=y CONFIG_HIBERNATION=y CONFIG_PM_STD_PARTITION="" CONFIG_PM_SLEEP=y CONFIG_PM_SLEEP_SMP=y # CONFIG_PM_AUTOSLEEP is not set # CONFIG_PM_WAKELOCKS is not set CONFIG_PM_RUNTIME=y CONFIG_PM=y CONFIG_PM_DEBUG=y CONFIG_PM_ADVANCED_DEBUG=y CONFIG_PM_TEST_SUSPEND=y CONFIG_PM_SLEEP_DEBUG=y # CONFIG_DPM_WATCHDOG is not set CONFIG_PM_TRACE=y CONFIG_PM_TRACE_RTC=y CONFIG_PM_CLK=y # CONFIG_WQ_POWER_EFFICIENT_DEFAULT is not set CONFIG_ACPI=y CONFIG_ACPI_SLEEP=y # CONFIG_ACPI_EC_DEBUGFS is not set CONFIG_ACPI_AC=y CONFIG_ACPI_BATTERY=y CONFIG_ACPI_BUTTON=y # CONFIG_ACPI_VIDEO is not set CONFIG_ACPI_FAN=y CONFIG_ACPI_DOCK=y CONFIG_ACPI_PROCESSOR=y CONFIG_ACPI_HOTPLUG_CPU=y # CONFIG_ACPI_PROCESSOR_AGGREGATOR is not set CONFIG_ACPI_THERMAL=y CONFIG_ACPI_NUMA=y # CONFIG_ACPI_CUSTOM_DSDT is not set CONFIG_ACPI_INITRD_TABLE_OVERRIDE=y CONFIG_ACPI_DEBUG=y CONFIG_ACPI_PCI_SLOT=y CONFIG_X86_PM_TIMER=y CONFIG_ACPI_CONTAINER=y CONFIG_ACPI_HOTPLUG_MEMORY=y # CONFIG_ACPI_SBS is not set CONFIG_ACPI_HED=y # CONFIG_ACPI_CUSTOM_METHOD is not set CONFIG_ACPI_BGRT=y # CONFIG_ACPI_REDUCED_HARDWARE_ONLY is not set CONFIG_ACPI_APEI=y CONFIG_ACPI_APEI_GHES=y CONFIG_ACPI_APEI_PCIEAER=y CONFIG_ACPI_APEI_MEMORY_FAILURE=y # CONFIG_ACPI_APEI_EINJ is not set # CONFIG_ACPI_APEI_ERST_DEBUG is not set # CONFIG_ACPI_EXTLOG is not set CONFIG_SFI=y # # CPU Frequency scaling # CONFIG_CPU_FREQ=y CONFIG_CPU_FREQ_GOV_COMMON=y # CONFIG_CPU_FREQ_STAT is not set # CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE is not set # CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE is not set CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND=y # CONFIG_CPU_FREQ_DEFAULT_GOV_CONSERVATIVE is not set CONFIG_CPU_FREQ_GOV_PERFORMANCE=y CONFIG_CPU_FREQ_GOV_POWERSAVE=y CONFIG_CPU_FREQ_GOV_USERSPACE=y CONFIG_CPU_FREQ_GOV_ONDEMAND=y CONFIG_CPU_FREQ_GOV_CONSERVATIVE=y # # x86 CPU frequency scaling drivers # CONFIG_X86_INTEL_PSTATE=y # CONFIG_X86_PCC_CPUFREQ is not set # CONFIG_X86_ACPI_CPUFREQ is not set # CONFIG_X86_SPEEDSTEP_CENTRINO is not set # CONFIG_X86_P4_CLOCKMOD is not set # # shared options # # CONFIG_X86_SPEEDSTEP_LIB is not set # # CPU Idle # CONFIG_CPU_IDLE=y # CONFIG_CPU_IDLE_MULTIPLE_DRIVERS is not set # CONFIG_CPU_IDLE_GOV_LADDER is not set CONFIG_CPU_IDLE_GOV_MENU=y # CONFIG_ARCH_NEEDS_CPU_IDLE_COUPLED is not set CONFIG_INTEL_IDLE=y # # Memory power savings # # CONFIG_I7300_IDLE is not set # # Bus options (PCI etc.) # CONFIG_PCI=y CONFIG_PCI_DIRECT=y CONFIG_PCI_MMCONFIG=y CONFIG_PCI_XEN=y CONFIG_PCI_DOMAINS=y CONFIG_PCIEPORTBUS=y CONFIG_HOTPLUG_PCI_PCIE=y CONFIG_PCIEAER=y CONFIG_PCIE_ECRC=y # CONFIG_PCIEAER_INJECT is not set CONFIG_PCIEASPM=y # CONFIG_PCIEASPM_DEBUG is not set CONFIG_PCIEASPM_DEFAULT=y # CONFIG_PCIEASPM_POWERSAVE is not set # CONFIG_PCIEASPM_PERFORMANCE is not set CONFIG_PCIE_PME=y CONFIG_PCI_MSI=y # CONFIG_PCI_DEBUG is not set # CONFIG_PCI_REALLOC_ENABLE_AUTO is not set CONFIG_PCI_STUB=y # CONFIG_XEN_PCIDEV_FRONTEND is not set CONFIG_HT_IRQ=y CONFIG_PCI_ATS=y CONFIG_PCI_IOV=y CONFIG_PCI_PRI=y CONFIG_PCI_PASID=y CONFIG_PCI_IOAPIC=y CONFIG_PCI_LABEL=y # # PCI host controller drivers # CONFIG_ISA_DMA_API=y CONFIG_AMD_NB=y CONFIG_PCCARD=y CONFIG_PCMCIA=y CONFIG_PCMCIA_LOAD_CIS=y CONFIG_CARDBUS=y # # PC-card bridges # # CONFIG_YENTA is not set # CONFIG_PD6729 is not set # CONFIG_I82092 is not set CONFIG_HOTPLUG_PCI=y CONFIG_HOTPLUG_PCI_ACPI=y # CONFIG_HOTPLUG_PCI_ACPI_IBM is not set # CONFIG_HOTPLUG_PCI_CPCI is not set # CONFIG_HOTPLUG_PCI_SHPC is not set # CONFIG_RAPIDIO is not set # CONFIG_X86_SYSFB is not set # # Executable file formats / Emulations # CONFIG_BINFMT_ELF=y CONFIG_COMPAT_BINFMT_ELF=y CONFIG_ARCH_BINFMT_ELF_RANDOMIZE_PIE=y CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS=y CONFIG_BINFMT_SCRIPT=y # CONFIG_HAVE_AOUT is not set # CONFIG_BINFMT_MISC is not set CONFIG_COREDUMP=y CONFIG_IA32_EMULATION=y # CONFIG_IA32_AOUT is not set # CONFIG_X86_X32 is not set CONFIG_COMPAT=y CONFIG_COMPAT_FOR_U64_ALIGNMENT=y CONFIG_SYSVIPC_COMPAT=y CONFIG_KEYS_COMPAT=y CONFIG_X86_DEV_DMA_OPS=y CONFIG_NET=y CONFIG_COMPAT_NETLINK_MESSAGES=y # # Networking options # CONFIG_PACKET=y # CONFIG_PACKET_DIAG is not set CONFIG_UNIX=y # CONFIG_UNIX_DIAG is not set CONFIG_XFRM=y CONFIG_XFRM_ALGO=y CONFIG_XFRM_USER=y CONFIG_XFRM_SUB_POLICY=y CONFIG_XFRM_MIGRATE=y CONFIG_XFRM_STATISTICS=y # CONFIG_NET_KEY is not set CONFIG_INET=y CONFIG_IP_MULTICAST=y CONFIG_IP_ADVANCED_ROUTER=y CONFIG_IP_FIB_TRIE_STATS=y CONFIG_IP_MULTIPLE_TABLES=y CONFIG_IP_ROUTE_MULTIPATH=y CONFIG_IP_ROUTE_VERBOSE=y # CONFIG_IP_PNP is not set # CONFIG_NET_IPIP is not set # CONFIG_NET_IPGRE_DEMUX is not set # CONFIG_NET_IP_TUNNEL is not set CONFIG_IP_MROUTE=y CONFIG_IP_MROUTE_MULTIPLE_TABLES=y CONFIG_IP_PIMSM_V1=y CONFIG_IP_PIMSM_V2=y CONFIG_SYN_COOKIES=y # CONFIG_INET_AH is not set # CONFIG_INET_ESP is not set # CONFIG_INET_IPCOMP is not set # CONFIG_INET_XFRM_TUNNEL is not set # CONFIG_INET_TUNNEL is not set # CONFIG_INET_XFRM_MODE_TRANSPORT is not set # CONFIG_INET_XFRM_MODE_TUNNEL is not set # CONFIG_INET_XFRM_MODE_BEET is not set CONFIG_INET_LRO=y # CONFIG_INET_DIAG is not set CONFIG_TCP_CONG_ADVANCED=y # CONFIG_TCP_CONG_BIC is not set CONFIG_TCP_CONG_CUBIC=y # CONFIG_TCP_CONG_WESTWOOD is not set # CONFIG_TCP_CONG_HTCP is not set # CONFIG_TCP_CONG_HSTCP is not set # CONFIG_TCP_CONG_HYBLA is not set # CONFIG_TCP_CONG_VEGAS is not set # CONFIG_TCP_CONG_SCALABLE is not set # CONFIG_TCP_CONG_LP is not set # CONFIG_TCP_CONG_VENO is not set # CONFIG_TCP_CONG_YEAH is not set # CONFIG_TCP_CONG_ILLINOIS is not set CONFIG_DEFAULT_CUBIC=y # CONFIG_DEFAULT_RENO is not set CONFIG_DEFAULT_TCP_CONG="cubic" CONFIG_TCP_MD5SIG=y CONFIG_IPV6=y CONFIG_IPV6_ROUTER_PREF=y CONFIG_IPV6_ROUTE_INFO=y CONFIG_IPV6_OPTIMISTIC_DAD=y # CONFIG_INET6_AH is not set # CONFIG_INET6_ESP is not set # CONFIG_INET6_IPCOMP is not set CONFIG_IPV6_MIP6=y # CONFIG_INET6_XFRM_TUNNEL is not set # CONFIG_INET6_TUNNEL is not set # CONFIG_INET6_XFRM_MODE_TRANSPORT is not set # CONFIG_INET6_XFRM_MODE_TUNNEL is not set # CONFIG_INET6_XFRM_MODE_BEET is not set # CONFIG_INET6_XFRM_MODE_ROUTEOPTIMIZATION is not set # CONFIG_IPV6_SIT is not set # CONFIG_IPV6_TUNNEL is not set # CONFIG_IPV6_GRE is not set CONFIG_IPV6_MULTIPLE_TABLES=y CONFIG_IPV6_SUBTREES=y CONFIG_IPV6_MROUTE=y CONFIG_IPV6_MROUTE_MULTIPLE_TABLES=y CONFIG_IPV6_PIMSM_V2=y CONFIG_NETLABEL=y CONFIG_NETWORK_SECMARK=y CONFIG_NET_PTP_CLASSIFY=y CONFIG_NETWORK_PHY_TIMESTAMPING=y CONFIG_NETFILTER=y # CONFIG_NETFILTER_DEBUG is not set CONFIG_NETFILTER_ADVANCED=y CONFIG_BRIDGE_NETFILTER=y # # Core Netfilter Configuration # # CONFIG_NETFILTER_NETLINK_ACCT is not set # CONFIG_NETFILTER_NETLINK_QUEUE is not set # CONFIG_NETFILTER_NETLINK_LOG is not set CONFIG_NF_CONNTRACK=m CONFIG_NF_CONNTRACK_MARK=y CONFIG_NF_CONNTRACK_SECMARK=y CONFIG_NF_CONNTRACK_PROCFS=y CONFIG_NF_CONNTRACK_EVENTS=y # CONFIG_NF_CONNTRACK_TIMEOUT is not set CONFIG_NF_CONNTRACK_TIMESTAMP=y # CONFIG_NF_CT_PROTO_DCCP is not set # CONFIG_NF_CT_PROTO_SCTP is not set # CONFIG_NF_CT_PROTO_UDPLITE is not set # CONFIG_NF_CONNTRACK_AMANDA is not set # CONFIG_NF_CONNTRACK_FTP is not set # CONFIG_NF_CONNTRACK_H323 is not set # CONFIG_NF_CONNTRACK_IRC is not set # CONFIG_NF_CONNTRACK_NETBIOS_NS is not set # CONFIG_NF_CONNTRACK_SNMP is not set # CONFIG_NF_CONNTRACK_PPTP is not set # CONFIG_NF_CONNTRACK_SANE is not set # CONFIG_NF_CONNTRACK_SIP is not set # CONFIG_NF_CONNTRACK_TFTP is not set # CONFIG_NF_CT_NETLINK is not set # CONFIG_NF_CT_NETLINK_TIMEOUT is not set CONFIG_NF_NAT=m CONFIG_NF_NAT_NEEDED=y # CONFIG_NF_NAT_AMANDA is not set # CONFIG_NF_NAT_FTP is not set # CONFIG_NF_NAT_IRC is not set # CONFIG_NF_NAT_SIP is not set # CONFIG_NF_NAT_TFTP is not set # CONFIG_NF_TABLES is not set CONFIG_NETFILTER_XTABLES=y # # Xtables combined modules # # CONFIG_NETFILTER_XT_MARK is not set # CONFIG_NETFILTER_XT_CONNMARK is not set # # Xtables targets # # CONFIG_NETFILTER_XT_TARGET_AUDIT is not set # CONFIG_NETFILTER_XT_TARGET_CHECKSUM is not set # CONFIG_NETFILTER_XT_TARGET_CLASSIFY is not set # CONFIG_NETFILTER_XT_TARGET_CONNMARK is not set # CONFIG_NETFILTER_XT_TARGET_CONNSECMARK is not set # CONFIG_NETFILTER_XT_TARGET_CT is not set # CONFIG_NETFILTER_XT_TARGET_DSCP is not set # CONFIG_NETFILTER_XT_TARGET_HL is not set # CONFIG_NETFILTER_XT_TARGET_HMARK is not set # CONFIG_NETFILTER_XT_TARGET_IDLETIMER is not set # CONFIG_NETFILTER_XT_TARGET_LED is not set # CONFIG_NETFILTER_XT_TARGET_LOG is not set # CONFIG_NETFILTER_XT_TARGET_MARK is not set # CONFIG_NETFILTER_XT_TARGET_NETMAP is not set # CONFIG_NETFILTER_XT_TARGET_NFLOG is not set # CONFIG_NETFILTER_XT_TARGET_NFQUEUE is not set # CONFIG_NETFILTER_XT_TARGET_NOTRACK is not set # CONFIG_NETFILTER_XT_TARGET_RATEEST is not set # CONFIG_NETFILTER_XT_TARGET_REDIRECT is not set # CONFIG_NETFILTER_XT_TARGET_TEE is not set # CONFIG_NETFILTER_XT_TARGET_TPROXY is not set # CONFIG_NETFILTER_XT_TARGET_TRACE is not set # CONFIG_NETFILTER_XT_TARGET_SECMARK is not set # CONFIG_NETFILTER_XT_TARGET_TCPMSS is not set # CONFIG_NETFILTER_XT_TARGET_TCPOPTSTRIP is not set # # Xtables matches # # CONFIG_NETFILTER_XT_MATCH_ADDRTYPE is not set # CONFIG_NETFILTER_XT_MATCH_BPF is not set # CONFIG_NETFILTER_XT_MATCH_CGROUP is not set # CONFIG_NETFILTER_XT_MATCH_CLUSTER is not set # CONFIG_NETFILTER_XT_MATCH_COMMENT is not set # CONFIG_NETFILTER_XT_MATCH_CONNBYTES is not set # CONFIG_NETFILTER_XT_MATCH_CONNLABEL is not set # CONFIG_NETFILTER_XT_MATCH_CONNLIMIT is not set # CONFIG_NETFILTER_XT_MATCH_CONNMARK is not set CONFIG_NETFILTER_XT_MATCH_CONNTRACK=m # CONFIG_NETFILTER_XT_MATCH_CPU is not set # CONFIG_NETFILTER_XT_MATCH_DCCP is not set # CONFIG_NETFILTER_XT_MATCH_DEVGROUP is not set # CONFIG_NETFILTER_XT_MATCH_DSCP is not set # CONFIG_NETFILTER_XT_MATCH_ECN is not set # CONFIG_NETFILTER_XT_MATCH_ESP is not set # CONFIG_NETFILTER_XT_MATCH_HASHLIMIT is not set # CONFIG_NETFILTER_XT_MATCH_HELPER is not set # CONFIG_NETFILTER_XT_MATCH_HL is not set # CONFIG_NETFILTER_XT_MATCH_IPCOMP is not set # CONFIG_NETFILTER_XT_MATCH_IPRANGE is not set # CONFIG_NETFILTER_XT_MATCH_L2TP is not set # CONFIG_NETFILTER_XT_MATCH_LENGTH is not set # CONFIG_NETFILTER_XT_MATCH_LIMIT is not set # CONFIG_NETFILTER_XT_MATCH_MAC is not set # CONFIG_NETFILTER_XT_MATCH_MARK is not set # CONFIG_NETFILTER_XT_MATCH_MULTIPORT is not set # CONFIG_NETFILTER_XT_MATCH_NFACCT is not set # CONFIG_NETFILTER_XT_MATCH_OWNER is not set # CONFIG_NETFILTER_XT_MATCH_POLICY is not set # CONFIG_NETFILTER_XT_MATCH_PHYSDEV is not set # CONFIG_NETFILTER_XT_MATCH_PKTTYPE is not set # CONFIG_NETFILTER_XT_MATCH_QUOTA is not set # CONFIG_NETFILTER_XT_MATCH_RATEEST is not set # CONFIG_NETFILTER_XT_MATCH_REALM is not set # CONFIG_NETFILTER_XT_MATCH_RECENT is not set # CONFIG_NETFILTER_XT_MATCH_SCTP is not set # CONFIG_NETFILTER_XT_MATCH_SOCKET is not set # CONFIG_NETFILTER_XT_MATCH_STATE is not set # CONFIG_NETFILTER_XT_MATCH_STATISTIC is not set # CONFIG_NETFILTER_XT_MATCH_STRING is not set # CONFIG_NETFILTER_XT_MATCH_TCPMSS is not set # CONFIG_NETFILTER_XT_MATCH_TIME is not set # CONFIG_NETFILTER_XT_MATCH_U32 is not set # CONFIG_IP_SET is not set # CONFIG_IP_VS is not set # # IP: Netfilter Configuration # CONFIG_NF_DEFRAG_IPV4=m CONFIG_NF_CONNTRACK_IPV4=m # CONFIG_NF_CONNTRACK_PROC_COMPAT is not set CONFIG_IP_NF_IPTABLES=y # CONFIG_IP_NF_MATCH_AH is not set # CONFIG_IP_NF_MATCH_ECN is not set # CONFIG_IP_NF_MATCH_RPFILTER is not set # CONFIG_IP_NF_MATCH_TTL is not set CONFIG_IP_NF_FILTER=y CONFIG_IP_NF_TARGET_REJECT=y # CONFIG_IP_NF_TARGET_SYNPROXY is not set # CONFIG_IP_NF_TARGET_ULOG is not set CONFIG_NF_NAT_IPV4=m # CONFIG_IP_NF_TARGET_MASQUERADE is not set # CONFIG_IP_NF_TARGET_NETMAP is not set # CONFIG_IP_NF_TARGET_REDIRECT is not set # CONFIG_NF_NAT_PPTP is not set # CONFIG_NF_NAT_H323 is not set CONFIG_IP_NF_MANGLE=m # CONFIG_IP_NF_TARGET_CLUSTERIP is not set # CONFIG_IP_NF_TARGET_ECN is not set # CONFIG_IP_NF_TARGET_TTL is not set CONFIG_IP_NF_RAW=m CONFIG_IP_NF_SECURITY=m # CONFIG_IP_NF_ARPTABLES is not set # # IPv6: Netfilter Configuration # CONFIG_NF_DEFRAG_IPV6=m CONFIG_NF_CONNTRACK_IPV6=m CONFIG_IP6_NF_IPTABLES=m # CONFIG_IP6_NF_MATCH_AH is not set # CONFIG_IP6_NF_MATCH_EUI64 is not set # CONFIG_IP6_NF_MATCH_FRAG is not set # CONFIG_IP6_NF_MATCH_OPTS is not set # CONFIG_IP6_NF_MATCH_HL is not set # CONFIG_IP6_NF_MATCH_IPV6HEADER is not set # CONFIG_IP6_NF_MATCH_MH is not set CONFIG_IP6_NF_MATCH_RPFILTER=m # CONFIG_IP6_NF_MATCH_RT is not set # CONFIG_IP6_NF_TARGET_HL is not set CONFIG_IP6_NF_FILTER=m CONFIG_IP6_NF_TARGET_REJECT=m # CONFIG_IP6_NF_TARGET_SYNPROXY is not set CONFIG_IP6_NF_MANGLE=m CONFIG_IP6_NF_RAW=m CONFIG_IP6_NF_SECURITY=m CONFIG_NF_NAT_IPV6=m # CONFIG_IP6_NF_TARGET_MASQUERADE is not set # CONFIG_IP6_NF_TARGET_NPT is not set CONFIG_BRIDGE_NF_EBTABLES=m CONFIG_BRIDGE_EBT_BROUTE=m CONFIG_BRIDGE_EBT_T_FILTER=m CONFIG_BRIDGE_EBT_T_NAT=m # CONFIG_BRIDGE_EBT_802_3 is not set # CONFIG_BRIDGE_EBT_AMONG is not set # CONFIG_BRIDGE_EBT_ARP is not set # CONFIG_BRIDGE_EBT_IP is not set # CONFIG_BRIDGE_EBT_IP6 is not set # CONFIG_BRIDGE_EBT_LIMIT is not set # CONFIG_BRIDGE_EBT_MARK is not set # CONFIG_BRIDGE_EBT_PKTTYPE is not set # CONFIG_BRIDGE_EBT_STP is not set # CONFIG_BRIDGE_EBT_VLAN is not set # CONFIG_BRIDGE_EBT_ARPREPLY is not set # CONFIG_BRIDGE_EBT_DNAT is not set # CONFIG_BRIDGE_EBT_MARK_T is not set # CONFIG_BRIDGE_EBT_REDIRECT is not set # CONFIG_BRIDGE_EBT_SNAT is not set # CONFIG_BRIDGE_EBT_LOG is not set # CONFIG_BRIDGE_EBT_ULOG is not set # CONFIG_BRIDGE_EBT_NFLOG is not set # CONFIG_IP_DCCP is not set # CONFIG_IP_SCTP is not set # CONFIG_RDS is not set # CONFIG_TIPC is not set # CONFIG_ATM is not set # CONFIG_L2TP is not set CONFIG_STP=m CONFIG_BRIDGE=m CONFIG_BRIDGE_IGMP_SNOOPING=y CONFIG_HAVE_NET_DSA=y # CONFIG_VLAN_8021Q is not set # CONFIG_DECNET is not set CONFIG_LLC=m # CONFIG_LLC2 is not set # CONFIG_IPX is not set # CONFIG_ATALK is not set # CONFIG_X25 is not set # CONFIG_LAPB is not set # CONFIG_PHONET is not set # CONFIG_IEEE802154 is not set CONFIG_NET_SCHED=y # # Queueing/Scheduling # # CONFIG_NET_SCH_CBQ is not set # CONFIG_NET_SCH_HTB is not set # CONFIG_NET_SCH_HFSC is not set # CONFIG_NET_SCH_PRIO is not set # CONFIG_NET_SCH_MULTIQ is not set # CONFIG_NET_SCH_RED is not set # CONFIG_NET_SCH_SFB is not set # CONFIG_NET_SCH_SFQ is not set # CONFIG_NET_SCH_TEQL is not set # CONFIG_NET_SCH_TBF is not set # CONFIG_NET_SCH_GRED is not set # CONFIG_NET_SCH_DSMARK is not set # CONFIG_NET_SCH_NETEM is not set # CONFIG_NET_SCH_DRR is not set # CONFIG_NET_SCH_MQPRIO is not set # CONFIG_NET_SCH_CHOKE is not set # CONFIG_NET_SCH_QFQ is not set # CONFIG_NET_SCH_CODEL is not set # CONFIG_NET_SCH_FQ_CODEL is not set # CONFIG_NET_SCH_FQ is not set # CONFIG_NET_SCH_HHF is not set # CONFIG_NET_SCH_PIE is not set # CONFIG_NET_SCH_INGRESS is not set # CONFIG_NET_SCH_PLUG is not set # # Classification # CONFIG_NET_CLS=y # CONFIG_NET_CLS_BASIC is not set # CONFIG_NET_CLS_TCINDEX is not set # CONFIG_NET_CLS_ROUTE4 is not set # CONFIG_NET_CLS_FW is not set # CONFIG_NET_CLS_U32 is not set # CONFIG_NET_CLS_RSVP is not set # CONFIG_NET_CLS_RSVP6 is not set # CONFIG_NET_CLS_FLOW is not set CONFIG_NET_CLS_CGROUP=y # CONFIG_NET_CLS_BPF is not set CONFIG_NET_EMATCH=y CONFIG_NET_EMATCH_STACK=32 # CONFIG_NET_EMATCH_CMP is not set # CONFIG_NET_EMATCH_NBYTE is not set # CONFIG_NET_EMATCH_U32 is not set # CONFIG_NET_EMATCH_META is not set # CONFIG_NET_EMATCH_TEXT is not set CONFIG_NET_CLS_ACT=y # CONFIG_NET_ACT_POLICE is not set # CONFIG_NET_ACT_GACT is not set # CONFIG_NET_ACT_MIRRED is not set # CONFIG_NET_ACT_IPT is not set # CONFIG_NET_ACT_NAT is not set # CONFIG_NET_ACT_PEDIT is not set # CONFIG_NET_ACT_SIMP is not set # CONFIG_NET_ACT_SKBEDIT is not set # CONFIG_NET_ACT_CSUM is not set CONFIG_NET_SCH_FIFO=y CONFIG_DCB=y # CONFIG_DNS_RESOLVER is not set # CONFIG_BATMAN_ADV is not set # CONFIG_OPENVSWITCH is not set # CONFIG_VSOCKETS is not set CONFIG_NETLINK_MMAP=y # CONFIG_NETLINK_DIAG is not set # CONFIG_NET_MPLS_GSO is not set # CONFIG_HSR is not set CONFIG_RPS=y CONFIG_RFS_ACCEL=y CONFIG_XPS=y # CONFIG_CGROUP_NET_PRIO is not set CONFIG_CGROUP_NET_CLASSID=y CONFIG_NET_RX_BUSY_POLL=y CONFIG_BQL=y CONFIG_BPF_JIT=y CONFIG_NET_FLOW_LIMIT=y # # Network testing # # CONFIG_NET_PKTGEN is not set # CONFIG_NET_TCPPROBE is not set CONFIG_NET_DROP_MONITOR=y CONFIG_HAMRADIO=y # # Packet Radio protocols # # CONFIG_AX25 is not set # CONFIG_CAN is not set # CONFIG_IRDA is not set # CONFIG_BT is not set # CONFIG_AF_RXRPC is not set CONFIG_FIB_RULES=y CONFIG_WIRELESS=y CONFIG_WEXT_CORE=y CONFIG_WEXT_PROC=y CONFIG_CFG80211=m # CONFIG_NL80211_TESTMODE is not set # CONFIG_CFG80211_DEVELOPER_WARNINGS is not set # CONFIG_CFG80211_REG_DEBUG is not set CONFIG_CFG80211_DEFAULT_PS=y CONFIG_CFG80211_DEBUGFS=y # CONFIG_CFG80211_INTERNAL_REGDB is not set CONFIG_CFG80211_WEXT=y # CONFIG_LIB80211 is not set # CONFIG_MAC80211 is not set # CONFIG_WIMAX is not set CONFIG_RFKILL=m CONFIG_RFKILL_LEDS=y CONFIG_RFKILL_INPUT=y # CONFIG_RFKILL_GPIO is not set # CONFIG_NET_9P is not set # CONFIG_CAIF is not set # CONFIG_CEPH_LIB is not set # CONFIG_NFC is not set CONFIG_HAVE_BPF_JIT=y # # Device Drivers # # # Generic Driver Options # CONFIG_UEVENT_HELPER_PATH="" CONFIG_DEVTMPFS=y CONFIG_DEVTMPFS_MOUNT=y CONFIG_STANDALONE=y CONFIG_PREVENT_FIRMWARE_BUILD=y CONFIG_FW_LOADER=y # CONFIG_FIRMWARE_IN_KERNEL is not set CONFIG_EXTRA_FIRMWARE="" # CONFIG_FW_LOADER_USER_HELPER is not set # CONFIG_DEBUG_DRIVER is not set # CONFIG_DEBUG_DEVRES is not set CONFIG_SYS_HYPERVISOR=y # CONFIG_GENERIC_CPU_DEVICES is not set CONFIG_GENERIC_CPU_AUTOPROBE=y CONFIG_DMA_SHARED_BUFFER=y # # Bus devices # CONFIG_CONNECTOR=y CONFIG_PROC_EVENTS=y # CONFIG_MTD is not set CONFIG_PARPORT=m CONFIG_ARCH_MIGHT_HAVE_PC_PARPORT=y CONFIG_PARPORT_PC=m # CONFIG_PARPORT_SERIAL is not set # CONFIG_PARPORT_PC_FIFO is not set # CONFIG_PARPORT_PC_SUPERIO is not set # CONFIG_PARPORT_PC_PCMCIA is not set # CONFIG_PARPORT_GSC is not set # CONFIG_PARPORT_AX88796 is not set CONFIG_PARPORT_1284=y CONFIG_PNP=y # CONFIG_PNP_DEBUG_MESSAGES is not set # # Protocols # CONFIG_PNPACPI=y CONFIG_BLK_DEV=y # CONFIG_BLK_DEV_NULL_BLK is not set # CONFIG_BLK_DEV_FD is not set # CONFIG_PARIDE is not set # CONFIG_BLK_DEV_PCIESSD_MTIP32XX is not set # CONFIG_BLK_CPQ_CISS_DA is not set # CONFIG_BLK_DEV_DAC960 is not set # CONFIG_BLK_DEV_UMEM is not set # CONFIG_BLK_DEV_COW_COMMON is not set CONFIG_BLK_DEV_LOOP=m CONFIG_BLK_DEV_LOOP_MIN_COUNT=8 # CONFIG_BLK_DEV_CRYPTOLOOP is not set # CONFIG_BLK_DEV_DRBD is not set # CONFIG_BLK_DEV_NBD is not set # CONFIG_BLK_DEV_NVME is not set # CONFIG_BLK_DEV_SKD is not set # CONFIG_BLK_DEV_SX8 is not set # CONFIG_BLK_DEV_RAM is not set # CONFIG_CDROM_PKTCDVD is not set # CONFIG_ATA_OVER_ETH is not set # CONFIG_XEN_BLKDEV_FRONTEND is not set # CONFIG_XEN_BLKDEV_BACKEND is not set CONFIG_VIRTIO_BLK=m # CONFIG_BLK_DEV_HD is not set # CONFIG_BLK_DEV_RBD is not set # CONFIG_BLK_DEV_RSXX is not set # # Misc devices # # CONFIG_SENSORS_LIS3LV02D is not set # CONFIG_AD525X_DPOT is not set # CONFIG_ATMEL_PWM is not set # CONFIG_DUMMY_IRQ is not set # CONFIG_IBM_ASM is not set # CONFIG_PHANTOM is not set # CONFIG_SGI_IOC4 is not set # CONFIG_TIFM_CORE is not set # CONFIG_ICS932S401 is not set # CONFIG_ATMEL_SSC is not set # CONFIG_ENCLOSURE_SERVICES is not set # CONFIG_SGI_XP is not set # CONFIG_HP_ILO is not set # CONFIG_SGI_GRU is not set # CONFIG_APDS9802ALS is not set # CONFIG_ISL29003 is not set # CONFIG_ISL29020 is not set # CONFIG_SENSORS_TSL2550 is not set # CONFIG_SENSORS_BH1780 is not set # CONFIG_SENSORS_BH1770 is not set # CONFIG_SENSORS_APDS990X is not set # CONFIG_HMC6352 is not set # CONFIG_DS1682 is not set # CONFIG_VMWARE_BALLOON is not set # CONFIG_BMP085_I2C is not set # CONFIG_PCH_PHUB is not set # CONFIG_USB_SWITCH_FSA9480 is not set # CONFIG_SRAM is not set # CONFIG_C2PORT is not set # # EEPROM support # # CONFIG_EEPROM_AT24 is not set # CONFIG_EEPROM_LEGACY is not set # CONFIG_EEPROM_MAX6875 is not set # CONFIG_EEPROM_93CX6 is not set # CONFIG_CB710_CORE is not set # # Texas Instruments shared transport line discipline # # CONFIG_TI_ST is not set # CONFIG_SENSORS_LIS3_I2C is not set # # Altera FPGA firmware download module # # CONFIG_ALTERA_STAPL is not set # CONFIG_INTEL_MEI is not set # CONFIG_INTEL_MEI_ME is not set # CONFIG_INTEL_MEI_TXE is not set # CONFIG_VMWARE_VMCI is not set # # Intel MIC Host Driver # # CONFIG_INTEL_MIC_HOST is not set # # Intel MIC Card Driver # # CONFIG_INTEL_MIC_CARD is not set # CONFIG_GENWQE is not set # CONFIG_ECHO is not set CONFIG_HAVE_IDE=y # CONFIG_IDE is not set # # SCSI device support # CONFIG_SCSI_MOD=y # CONFIG_RAID_ATTRS is not set CONFIG_SCSI=y CONFIG_SCSI_DMA=y # CONFIG_SCSI_TGT is not set # CONFIG_SCSI_NETLINK is not set CONFIG_SCSI_PROC_FS=y # # SCSI support type (disk, tape, CD-ROM) # CONFIG_BLK_DEV_SD=y # CONFIG_CHR_DEV_ST is not set # CONFIG_CHR_DEV_OSST is not set CONFIG_BLK_DEV_SR=y CONFIG_BLK_DEV_SR_VENDOR=y CONFIG_CHR_DEV_SG=y # CONFIG_CHR_DEV_SCH is not set CONFIG_SCSI_MULTI_LUN=y CONFIG_SCSI_CONSTANTS=y CONFIG_SCSI_LOGGING=y CONFIG_SCSI_SCAN_ASYNC=y # # SCSI Transports # # CONFIG_SCSI_SPI_ATTRS is not set # CONFIG_SCSI_FC_ATTRS is not set # CONFIG_SCSI_ISCSI_ATTRS is not set # CONFIG_SCSI_SAS_ATTRS is not set # CONFIG_SCSI_SAS_LIBSAS is not set # CONFIG_SCSI_SRP_ATTRS is not set CONFIG_SCSI_LOWLEVEL=y # CONFIG_ISCSI_TCP is not set # CONFIG_ISCSI_BOOT_SYSFS is not set # CONFIG_SCSI_CXGB3_ISCSI is not set # CONFIG_SCSI_CXGB4_ISCSI is not set # CONFIG_SCSI_BNX2_ISCSI is not set # CONFIG_SCSI_BNX2X_FCOE is not set # CONFIG_BE2ISCSI is not set # CONFIG_BLK_DEV_3W_XXXX_RAID is not set # CONFIG_SCSI_HPSA is not set # CONFIG_SCSI_3W_9XXX is not set # CONFIG_SCSI_3W_SAS is not set # CONFIG_SCSI_ACARD is not set # CONFIG_SCSI_AACRAID is not set # CONFIG_SCSI_AIC7XXX is not set # CONFIG_SCSI_AIC79XX is not set # CONFIG_SCSI_AIC94XX is not set # CONFIG_SCSI_MVSAS is not set # CONFIG_SCSI_MVUMI is not set # CONFIG_SCSI_DPT_I2O is not set # CONFIG_SCSI_ADVANSYS is not set # CONFIG_SCSI_ARCMSR is not set # CONFIG_SCSI_ESAS2R is not set CONFIG_MEGARAID_NEWGEN=y # CONFIG_MEGARAID_MM is not set # CONFIG_MEGARAID_LEGACY is not set # CONFIG_MEGARAID_SAS is not set # CONFIG_SCSI_MPT2SAS is not set # CONFIG_SCSI_MPT3SAS is not set # CONFIG_SCSI_UFSHCD is not set # CONFIG_SCSI_HPTIOP is not set # CONFIG_SCSI_BUSLOGIC is not set # CONFIG_VMWARE_PVSCSI is not set # CONFIG_LIBFC is not set # CONFIG_LIBFCOE is not set # CONFIG_FCOE is not set # CONFIG_FCOE_FNIC is not set # CONFIG_SCSI_DMX3191D is not set # CONFIG_SCSI_EATA is not set # CONFIG_SCSI_FUTURE_DOMAIN is not set # CONFIG_SCSI_GDTH is not set # CONFIG_SCSI_ISCI is not set # CONFIG_SCSI_IPS is not set # CONFIG_SCSI_INITIO is not set # CONFIG_SCSI_INIA100 is not set # CONFIG_SCSI_PPA is not set # CONFIG_SCSI_IMM is not set # CONFIG_SCSI_STEX is not set # CONFIG_SCSI_SYM53C8XX_2 is not set # CONFIG_SCSI_IPR is not set # CONFIG_SCSI_QLOGIC_1280 is not set # CONFIG_SCSI_QLA_FC is not set # CONFIG_SCSI_QLA_ISCSI is not set # CONFIG_SCSI_LPFC is not set # CONFIG_SCSI_DC395x is not set # CONFIG_SCSI_DC390T is not set CONFIG_SCSI_DEBUG=m # CONFIG_SCSI_PMCRAID is not set # CONFIG_SCSI_PM8001 is not set # CONFIG_SCSI_SRP is not set # CONFIG_SCSI_BFA_FC is not set # CONFIG_SCSI_VIRTIO is not set # CONFIG_SCSI_CHELSIO_FCOE is not set # CONFIG_SCSI_LOWLEVEL_PCMCIA is not set CONFIG_SCSI_DH=y # CONFIG_SCSI_DH_RDAC is not set # CONFIG_SCSI_DH_HP_SW is not set # CONFIG_SCSI_DH_EMC is not set # CONFIG_SCSI_DH_ALUA is not set # CONFIG_SCSI_OSD_INITIATOR is not set CONFIG_ATA=y # CONFIG_ATA_NONSTANDARD is not set CONFIG_ATA_VERBOSE_ERROR=y CONFIG_ATA_ACPI=y # CONFIG_SATA_ZPODD is not set CONFIG_SATA_PMP=y # # Controllers with non-SFF native interface # CONFIG_SATA_AHCI=y # CONFIG_SATA_AHCI_PLATFORM is not set # CONFIG_SATA_INIC162X is not set # CONFIG_SATA_ACARD_AHCI is not set # CONFIG_SATA_SIL24 is not set CONFIG_ATA_SFF=y # # SFF controllers with custom DMA interface # # CONFIG_PDC_ADMA is not set # CONFIG_SATA_QSTOR is not set # CONFIG_SATA_SX4 is not set CONFIG_ATA_BMDMA=y # # SATA SFF controllers with BMDMA # CONFIG_ATA_PIIX=y # CONFIG_SATA_MV is not set # CONFIG_SATA_NV is not set # CONFIG_SATA_PROMISE is not set # CONFIG_SATA_SIL is not set # CONFIG_SATA_SIS is not set # CONFIG_SATA_SVW is not set # CONFIG_SATA_ULI is not set # CONFIG_SATA_VIA is not set # CONFIG_SATA_VITESSE is not set # # PATA SFF controllers with BMDMA # # CONFIG_PATA_ALI is not set # CONFIG_PATA_AMD is not set # CONFIG_PATA_ARTOP is not set # CONFIG_PATA_ATIIXP is not set # CONFIG_PATA_ATP867X is not set # CONFIG_PATA_CMD64X is not set # CONFIG_PATA_CYPRESS is not set # CONFIG_PATA_EFAR is not set # CONFIG_PATA_HPT366 is not set # CONFIG_PATA_HPT37X is not set # CONFIG_PATA_HPT3X2N is not set # CONFIG_PATA_HPT3X3 is not set # CONFIG_PATA_IT8213 is not set # CONFIG_PATA_IT821X is not set # CONFIG_PATA_JMICRON is not set # CONFIG_PATA_MARVELL is not set # CONFIG_PATA_NETCELL is not set # CONFIG_PATA_NINJA32 is not set # CONFIG_PATA_NS87415 is not set # CONFIG_PATA_OLDPIIX is not set # CONFIG_PATA_OPTIDMA is not set # CONFIG_PATA_PDC2027X is not set # CONFIG_PATA_PDC_OLD is not set # CONFIG_PATA_RADISYS is not set # CONFIG_PATA_RDC is not set # CONFIG_PATA_SCH is not set # CONFIG_PATA_SERVERWORKS is not set # CONFIG_PATA_SIL680 is not set # CONFIG_PATA_SIS is not set # CONFIG_PATA_TOSHIBA is not set # CONFIG_PATA_TRIFLEX is not set # CONFIG_PATA_VIA is not set # CONFIG_PATA_WINBOND is not set # # PIO-only SFF controllers # # CONFIG_PATA_CMD640_PCI is not set # CONFIG_PATA_MPIIX is not set # CONFIG_PATA_NS87410 is not set # CONFIG_PATA_OPTI is not set # CONFIG_PATA_PCMCIA is not set # CONFIG_PATA_RZ1000 is not set # # Generic fallback / legacy drivers # CONFIG_PATA_ACPI=m CONFIG_ATA_GENERIC=m # CONFIG_PATA_LEGACY is not set CONFIG_MD=y CONFIG_BLK_DEV_MD=y CONFIG_MD_AUTODETECT=y # CONFIG_MD_LINEAR is not set # CONFIG_MD_RAID0 is not set # CONFIG_MD_RAID1 is not set # CONFIG_MD_RAID10 is not set # CONFIG_MD_RAID456 is not set # CONFIG_MD_MULTIPATH is not set # CONFIG_MD_FAULTY is not set # CONFIG_BCACHE is not set CONFIG_BLK_DEV_DM_BUILTIN=y CONFIG_BLK_DEV_DM=y CONFIG_DM_DEBUG=y CONFIG_DM_BUFIO=y # CONFIG_DM_CRYPT is not set CONFIG_DM_SNAPSHOT=y # CONFIG_DM_THIN_PROVISIONING is not set # CONFIG_DM_CACHE is not set # CONFIG_DM_ERA is not set CONFIG_DM_MIRROR=y # CONFIG_DM_LOG_USERSPACE is not set # CONFIG_DM_RAID is not set CONFIG_DM_ZERO=y # CONFIG_DM_MULTIPATH is not set # CONFIG_DM_DELAY is not set CONFIG_DM_UEVENT=y # CONFIG_DM_FLAKEY is not set # CONFIG_DM_VERITY is not set # CONFIG_DM_SWITCH is not set # CONFIG_TARGET_CORE is not set CONFIG_FUSION=y # CONFIG_FUSION_SPI is not set # CONFIG_FUSION_FC is not set # CONFIG_FUSION_SAS is not set CONFIG_FUSION_MAX_SGE=40 CONFIG_FUSION_LOGGING=y # # IEEE 1394 (FireWire) support # # CONFIG_FIREWIRE is not set # CONFIG_FIREWIRE_NOSY is not set # CONFIG_I2O is not set CONFIG_MACINTOSH_DRIVERS=y CONFIG_MAC_EMUMOUSEBTN=y CONFIG_NETDEVICES=y CONFIG_NET_CORE=y # CONFIG_BONDING is not set # CONFIG_DUMMY is not set # CONFIG_EQUALIZER is not set CONFIG_NET_FC=y # CONFIG_IFB is not set # CONFIG_NET_TEAM is not set # CONFIG_MACVLAN is not set # CONFIG_VXLAN is not set # CONFIG_NETCONSOLE is not set # CONFIG_NETPOLL is not set # CONFIG_NET_POLL_CONTROLLER is not set # CONFIG_TUN is not set # CONFIG_VETH is not set CONFIG_VIRTIO_NET=m # CONFIG_NLMON is not set # CONFIG_ARCNET is not set # # CAIF transport drivers # # CONFIG_VHOST_NET is not set # # Distributed Switch Architecture drivers # # CONFIG_NET_DSA_MV88E6XXX is not set # CONFIG_NET_DSA_MV88E6060 is not set # CONFIG_NET_DSA_MV88E6XXX_NEED_PPU is not set # CONFIG_NET_DSA_MV88E6131 is not set # CONFIG_NET_DSA_MV88E6123_61_65 is not set CONFIG_ETHERNET=y CONFIG_NET_VENDOR_3COM=y # CONFIG_PCMCIA_3C574 is not set # CONFIG_PCMCIA_3C589 is not set # CONFIG_VORTEX is not set # CONFIG_TYPHOON is not set CONFIG_NET_VENDOR_ADAPTEC=y # CONFIG_ADAPTEC_STARFIRE is not set CONFIG_NET_VENDOR_ALTEON=y # CONFIG_ACENIC is not set # CONFIG_ALTERA_TSE is not set CONFIG_NET_VENDOR_AMD=y # CONFIG_AMD8111_ETH is not set # CONFIG_PCNET32 is not set # CONFIG_PCMCIA_NMCLAN is not set CONFIG_NET_VENDOR_ARC=y CONFIG_NET_VENDOR_ATHEROS=y # CONFIG_ATL2 is not set # CONFIG_ATL1 is not set # CONFIG_ATL1E is not set # CONFIG_ATL1C is not set # CONFIG_ALX is not set CONFIG_NET_CADENCE=y # CONFIG_ARM_AT91_ETHER is not set # CONFIG_MACB is not set CONFIG_NET_VENDOR_BROADCOM=y # CONFIG_B44 is not set # CONFIG_BNX2 is not set # CONFIG_CNIC is not set # CONFIG_TIGON3 is not set # CONFIG_BNX2X is not set CONFIG_NET_VENDOR_BROCADE=y # CONFIG_BNA is not set # CONFIG_NET_CALXEDA_XGMAC is not set CONFIG_NET_VENDOR_CHELSIO=y # CONFIG_CHELSIO_T1 is not set # CONFIG_CHELSIO_T3 is not set # CONFIG_CHELSIO_T4 is not set # CONFIG_CHELSIO_T4VF is not set CONFIG_NET_VENDOR_CISCO=y # CONFIG_ENIC is not set # CONFIG_DNET is not set CONFIG_NET_VENDOR_DEC=y CONFIG_NET_TULIP=y # CONFIG_DE2104X is not set # CONFIG_TULIP is not set # CONFIG_DE4X5 is not set # CONFIG_WINBOND_840 is not set # CONFIG_DM9102 is not set # CONFIG_ULI526X is not set # CONFIG_PCMCIA_XIRCOM is not set CONFIG_NET_VENDOR_DLINK=y # CONFIG_DL2K is not set # CONFIG_SUNDANCE is not set CONFIG_NET_VENDOR_EMULEX=y # CONFIG_BE2NET is not set CONFIG_NET_VENDOR_EXAR=y # CONFIG_S2IO is not set # CONFIG_VXGE is not set # CONFIG_NET_VENDOR_FUJITSU is not set # CONFIG_NET_VENDOR_HP is not set CONFIG_NET_VENDOR_INTEL=y # CONFIG_E100 is not set # CONFIG_E1000 is not set # CONFIG_E1000E is not set # CONFIG_IGB is not set # CONFIG_IGBVF is not set # CONFIG_IXGB is not set # CONFIG_IXGBE is not set # CONFIG_IXGBEVF is not set # CONFIG_I40E is not set # CONFIG_I40EVF is not set # CONFIG_NET_VENDOR_I825XX is not set # CONFIG_IP1000 is not set # CONFIG_JME is not set CONFIG_NET_VENDOR_MARVELL=y # CONFIG_MVMDIO is not set # CONFIG_SKGE is not set # CONFIG_SKY2 is not set CONFIG_NET_VENDOR_MELLANOX=y # CONFIG_MLX4_EN is not set # CONFIG_MLX4_CORE is not set # CONFIG_MLX5_CORE is not set CONFIG_NET_VENDOR_MICREL=y # CONFIG_KS8851_MLL is not set # CONFIG_KSZ884X_PCI is not set CONFIG_NET_VENDOR_MYRI=y # CONFIG_MYRI10GE is not set # CONFIG_FEALNX is not set CONFIG_NET_VENDOR_NATSEMI=y # CONFIG_NATSEMI is not set # CONFIG_NS83820 is not set CONFIG_NET_VENDOR_8390=y # CONFIG_PCMCIA_AXNET is not set # CONFIG_NE2K_PCI is not set # CONFIG_PCMCIA_PCNET is not set CONFIG_NET_VENDOR_NVIDIA=y # CONFIG_FORCEDETH is not set CONFIG_NET_VENDOR_OKI=y # CONFIG_PCH_GBE is not set # CONFIG_ETHOC is not set CONFIG_NET_PACKET_ENGINE=y # CONFIG_HAMACHI is not set # CONFIG_YELLOWFIN is not set CONFIG_NET_VENDOR_QLOGIC=y # CONFIG_QLA3XXX is not set # CONFIG_QLCNIC is not set # CONFIG_QLGE is not set # CONFIG_NETXEN_NIC is not set CONFIG_NET_VENDOR_REALTEK=y # CONFIG_ATP is not set # CONFIG_8139CP is not set # CONFIG_8139TOO is not set # CONFIG_R8169 is not set # CONFIG_SH_ETH is not set CONFIG_NET_VENDOR_RDC=y # CONFIG_R6040 is not set # CONFIG_NET_VENDOR_SAMSUNG is not set # CONFIG_NET_VENDOR_SEEQ is not set CONFIG_NET_VENDOR_SILAN=y # CONFIG_SC92031 is not set CONFIG_NET_VENDOR_SIS=y # CONFIG_SIS900 is not set # CONFIG_SIS190 is not set # CONFIG_SFC is not set CONFIG_NET_VENDOR_SMSC=y # CONFIG_PCMCIA_SMC91C92 is not set # CONFIG_EPIC100 is not set # CONFIG_SMSC911X is not set # CONFIG_SMSC9420 is not set CONFIG_NET_VENDOR_STMICRO=y # CONFIG_STMMAC_ETH is not set CONFIG_NET_VENDOR_SUN=y # CONFIG_HAPPYMEAL is not set # CONFIG_SUNGEM is not set # CONFIG_CASSINI is not set # CONFIG_NIU is not set CONFIG_NET_VENDOR_TEHUTI=y # CONFIG_TEHUTI is not set CONFIG_NET_VENDOR_TI=y # CONFIG_TLAN is not set CONFIG_NET_VENDOR_VIA=y # CONFIG_VIA_RHINE is not set # CONFIG_VIA_VELOCITY is not set CONFIG_NET_VENDOR_WIZNET=y # CONFIG_WIZNET_W5100 is not set # CONFIG_WIZNET_W5300 is not set CONFIG_NET_VENDOR_XIRCOM=y # CONFIG_PCMCIA_XIRC2PS is not set # CONFIG_FDDI is not set # CONFIG_HIPPI is not set # CONFIG_NET_SB1000 is not set CONFIG_PHYLIB=y # # MII PHY device drivers # # CONFIG_AT803X_PHY is not set # CONFIG_AMD_PHY is not set # CONFIG_MARVELL_PHY is not set # CONFIG_DAVICOM_PHY is not set # CONFIG_QSEMI_PHY is not set # CONFIG_LXT_PHY is not set # CONFIG_CICADA_PHY is not set # CONFIG_VITESSE_PHY is not set # CONFIG_SMSC_PHY is not set # CONFIG_BROADCOM_PHY is not set # CONFIG_BCM7XXX_PHY is not set # CONFIG_BCM87XX_PHY is not set # CONFIG_ICPLUS_PHY is not set # CONFIG_REALTEK_PHY is not set # CONFIG_NATIONAL_PHY is not set # CONFIG_STE10XP is not set # CONFIG_LSI_ET1011C_PHY is not set # CONFIG_MICREL_PHY is not set CONFIG_FIXED_PHY=y # CONFIG_MDIO_BITBANG is not set # CONFIG_PLIP is not set # CONFIG_PPP is not set # CONFIG_SLIP is not set # # USB Network Adapters # # CONFIG_USB_CATC is not set # CONFIG_USB_KAWETH is not set # CONFIG_USB_PEGASUS is not set # CONFIG_USB_RTL8150 is not set # CONFIG_USB_RTL8152 is not set # CONFIG_USB_USBNET is not set # CONFIG_USB_HSO is not set # CONFIG_USB_IPHETH is not set CONFIG_WLAN=y # CONFIG_PCMCIA_RAYCS is not set # CONFIG_AIRO is not set # CONFIG_ATMEL is not set # CONFIG_AIRO_CS is not set # CONFIG_PCMCIA_WL3501 is not set # CONFIG_PRISM54 is not set # CONFIG_USB_ZD1201 is not set # CONFIG_USB_NET_RNDIS_WLAN is not set # CONFIG_ATH_CARDS is not set # CONFIG_BRCMFMAC is not set # CONFIG_HOSTAP is not set # CONFIG_IPW2100 is not set # CONFIG_IPW2200 is not set # CONFIG_LIBERTAS is not set # CONFIG_HERMES is not set # CONFIG_WL_TI is not set # CONFIG_MWIFIEX is not set # # Enable WiMAX (Networking options) to see the WiMAX drivers # # CONFIG_WAN is not set # CONFIG_XEN_NETDEV_FRONTEND is not set # CONFIG_XEN_NETDEV_BACKEND is not set # CONFIG_VMXNET3 is not set CONFIG_ISDN=y # CONFIG_ISDN_I4L is not set # CONFIG_ISDN_CAPI is not set # CONFIG_ISDN_DRV_GIGASET is not set # CONFIG_HYSDN is not set # CONFIG_MISDN is not set # # Input device support # CONFIG_INPUT=y CONFIG_INPUT_FF_MEMLESS=y # CONFIG_INPUT_POLLDEV is not set # CONFIG_INPUT_SPARSEKMAP is not set # CONFIG_INPUT_MATRIXKMAP is not set # # Userland interfaces # CONFIG_INPUT_MOUSEDEV=y # CONFIG_INPUT_MOUSEDEV_PSAUX is not set CONFIG_INPUT_MOUSEDEV_SCREEN_X=1024 CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768 # CONFIG_INPUT_JOYDEV is not set CONFIG_INPUT_EVDEV=y # CONFIG_INPUT_EVBUG is not set # # Input Device Drivers # CONFIG_INPUT_KEYBOARD=y # CONFIG_KEYBOARD_ADP5588 is not set # CONFIG_KEYBOARD_ADP5589 is not set CONFIG_KEYBOARD_ATKBD=y # CONFIG_KEYBOARD_QT1070 is not set # CONFIG_KEYBOARD_QT2160 is not set # CONFIG_KEYBOARD_LKKBD is not set # CONFIG_KEYBOARD_GPIO is not set # CONFIG_KEYBOARD_GPIO_POLLED is not set # CONFIG_KEYBOARD_TCA6416 is not set # CONFIG_KEYBOARD_TCA8418 is not set # CONFIG_KEYBOARD_MATRIX is not set # CONFIG_KEYBOARD_LM8323 is not set # CONFIG_KEYBOARD_LM8333 is not set # CONFIG_KEYBOARD_MAX7359 is not set # CONFIG_KEYBOARD_MCS is not set # CONFIG_KEYBOARD_MPR121 is not set # CONFIG_KEYBOARD_NEWTON is not set # CONFIG_KEYBOARD_OPENCORES is not set # CONFIG_KEYBOARD_SAMSUNG is not set # CONFIG_KEYBOARD_STOWAWAY is not set # CONFIG_KEYBOARD_SUNKBD is not set # CONFIG_KEYBOARD_XTKBD is not set CONFIG_INPUT_MOUSE=y CONFIG_MOUSE_PS2=y CONFIG_MOUSE_PS2_ALPS=y CONFIG_MOUSE_PS2_LOGIPS2PP=y CONFIG_MOUSE_PS2_SYNAPTICS=y CONFIG_MOUSE_PS2_CYPRESS=y CONFIG_MOUSE_PS2_LIFEBOOK=y CONFIG_MOUSE_PS2_TRACKPOINT=y CONFIG_MOUSE_PS2_ELANTECH=y CONFIG_MOUSE_PS2_SENTELIC=y # CONFIG_MOUSE_PS2_TOUCHKIT is not set # CONFIG_MOUSE_SERIAL is not set # CONFIG_MOUSE_APPLETOUCH is not set # CONFIG_MOUSE_BCM5974 is not set # CONFIG_MOUSE_CYAPA is not set # CONFIG_MOUSE_VSXXXAA is not set # CONFIG_MOUSE_GPIO is not set # CONFIG_MOUSE_SYNAPTICS_I2C is not set # CONFIG_MOUSE_SYNAPTICS_USB is not set CONFIG_INPUT_JOYSTICK=y # CONFIG_JOYSTICK_ANALOG is not set # CONFIG_JOYSTICK_A3D is not set # CONFIG_JOYSTICK_ADI is not set # CONFIG_JOYSTICK_COBRA is not set # CONFIG_JOYSTICK_GF2K is not set # CONFIG_JOYSTICK_GRIP is not set # CONFIG_JOYSTICK_GRIP_MP is not set # CONFIG_JOYSTICK_GUILLEMOT is not set # CONFIG_JOYSTICK_INTERACT is not set # CONFIG_JOYSTICK_SIDEWINDER is not set # CONFIG_JOYSTICK_TMDC is not set # CONFIG_JOYSTICK_IFORCE is not set # CONFIG_JOYSTICK_WARRIOR is not set # CONFIG_JOYSTICK_MAGELLAN is not set # CONFIG_JOYSTICK_SPACEORB is not set # CONFIG_JOYSTICK_SPACEBALL is not set # CONFIG_JOYSTICK_STINGER is not set # CONFIG_JOYSTICK_TWIDJOY is not set # CONFIG_JOYSTICK_ZHENHUA is not set # CONFIG_JOYSTICK_DB9 is not set # CONFIG_JOYSTICK_GAMECON is not set # CONFIG_JOYSTICK_TURBOGRAFX is not set # CONFIG_JOYSTICK_AS5011 is not set # CONFIG_JOYSTICK_JOYDUMP is not set # CONFIG_JOYSTICK_XPAD is not set # CONFIG_JOYSTICK_WALKERA0701 is not set CONFIG_INPUT_TABLET=y # CONFIG_TABLET_USB_ACECAD is not set # CONFIG_TABLET_USB_AIPTEK is not set # CONFIG_TABLET_USB_GTCO is not set # CONFIG_TABLET_USB_HANWANG is not set # CONFIG_TABLET_USB_KBTAB is not set # CONFIG_TABLET_USB_WACOM is not set CONFIG_INPUT_TOUCHSCREEN=y # CONFIG_TOUCHSCREEN_AD7879 is not set # CONFIG_TOUCHSCREEN_ATMEL_MXT is not set # CONFIG_TOUCHSCREEN_AUO_PIXCIR is not set # CONFIG_TOUCHSCREEN_BU21013 is not set # CONFIG_TOUCHSCREEN_CY8CTMG110 is not set # CONFIG_TOUCHSCREEN_CYTTSP_CORE is not set # CONFIG_TOUCHSCREEN_CYTTSP4_CORE is not set # CONFIG_TOUCHSCREEN_DYNAPRO is not set # CONFIG_TOUCHSCREEN_HAMPSHIRE is not set # CONFIG_TOUCHSCREEN_EETI is not set # CONFIG_TOUCHSCREEN_FUJITSU is not set # CONFIG_TOUCHSCREEN_ILI210X is not set # CONFIG_TOUCHSCREEN_GUNZE is not set # CONFIG_TOUCHSCREEN_ELO is not set # CONFIG_TOUCHSCREEN_WACOM_W8001 is not set # CONFIG_TOUCHSCREEN_WACOM_I2C is not set # CONFIG_TOUCHSCREEN_MAX11801 is not set # CONFIG_TOUCHSCREEN_MCS5000 is not set # CONFIG_TOUCHSCREEN_MMS114 is not set # CONFIG_TOUCHSCREEN_MTOUCH is not set # CONFIG_TOUCHSCREEN_INEXIO is not set # CONFIG_TOUCHSCREEN_MK712 is not set # CONFIG_TOUCHSCREEN_PENMOUNT is not set # CONFIG_TOUCHSCREEN_EDT_FT5X06 is not set # CONFIG_TOUCHSCREEN_TOUCHRIGHT is not set # CONFIG_TOUCHSCREEN_TOUCHWIN is not set # CONFIG_TOUCHSCREEN_PIXCIR is not set # CONFIG_TOUCHSCREEN_USB_COMPOSITE is not set # CONFIG_TOUCHSCREEN_TOUCHIT213 is not set # CONFIG_TOUCHSCREEN_TSC_SERIO is not set # CONFIG_TOUCHSCREEN_TSC2007 is not set # CONFIG_TOUCHSCREEN_W90X900 is not set # CONFIG_TOUCHSCREEN_ST1232 is not set # CONFIG_TOUCHSCREEN_SUR40 is not set # CONFIG_TOUCHSCREEN_TPS6507X is not set # CONFIG_TOUCHSCREEN_ZFORCE is not set CONFIG_INPUT_MISC=y # CONFIG_INPUT_AD714X is not set # CONFIG_INPUT_BMA150 is not set # CONFIG_INPUT_PCSPKR is not set # CONFIG_INPUT_MMA8450 is not set # CONFIG_INPUT_MPU3050 is not set # CONFIG_INPUT_APANEL is not set # CONFIG_INPUT_GP2A is not set # CONFIG_INPUT_GPIO_TILT_POLLED is not set # CONFIG_INPUT_ATLAS_BTNS is not set # CONFIG_INPUT_ATI_REMOTE2 is not set # CONFIG_INPUT_KEYSPAN_REMOTE is not set # CONFIG_INPUT_KXTJ9 is not set # CONFIG_INPUT_POWERMATE is not set # CONFIG_INPUT_YEALINK is not set # CONFIG_INPUT_CM109 is not set # CONFIG_INPUT_UINPUT is not set # CONFIG_INPUT_PCF8574 is not set # CONFIG_INPUT_GPIO_ROTARY_ENCODER is not set # CONFIG_INPUT_ADXL34X is not set # CONFIG_INPUT_IMS_PCU is not set # CONFIG_INPUT_CMA3000 is not set CONFIG_INPUT_XEN_KBDDEV_FRONTEND=y # CONFIG_INPUT_IDEAPAD_SLIDEBAR is not set # # Hardware I/O ports # CONFIG_SERIO=y CONFIG_ARCH_MIGHT_HAVE_PC_SERIO=y CONFIG_SERIO_I8042=y CONFIG_SERIO_SERPORT=y # CONFIG_SERIO_CT82C710 is not set # CONFIG_SERIO_PARKBD is not set # CONFIG_SERIO_PCIPS2 is not set CONFIG_SERIO_LIBPS2=y CONFIG_SERIO_RAW=m # CONFIG_SERIO_ALTERA_PS2 is not set # CONFIG_SERIO_PS2MULT is not set # CONFIG_SERIO_ARC_PS2 is not set # CONFIG_GAMEPORT is not set # # Character devices # CONFIG_TTY=y CONFIG_VT=y CONFIG_CONSOLE_TRANSLATIONS=y CONFIG_VT_CONSOLE=y CONFIG_VT_CONSOLE_SLEEP=y CONFIG_HW_CONSOLE=y CONFIG_VT_HW_CONSOLE_BINDING=y CONFIG_UNIX98_PTYS=y CONFIG_DEVPTS_MULTIPLE_INSTANCES=y # CONFIG_LEGACY_PTYS is not set CONFIG_SERIAL_NONSTANDARD=y # CONFIG_ROCKETPORT is not set # CONFIG_CYCLADES is not set # CONFIG_MOXA_INTELLIO is not set # CONFIG_MOXA_SMARTIO is not set # CONFIG_SYNCLINK is not set # CONFIG_SYNCLINKMP is not set # CONFIG_SYNCLINK_GT is not set # CONFIG_NOZOMI is not set # CONFIG_ISI is not set # CONFIG_N_HDLC is not set # CONFIG_N_GSM is not set # CONFIG_TRACE_SINK is not set # CONFIG_DEVKMEM is not set # # Serial drivers # CONFIG_SERIAL_8250=y # CONFIG_SERIAL_8250_DEPRECATED_OPTIONS is not set CONFIG_SERIAL_8250_PNP=y CONFIG_SERIAL_8250_CONSOLE=y CONFIG_FIX_EARLYCON_MEM=y CONFIG_SERIAL_8250_DMA=y CONFIG_SERIAL_8250_PCI=y # CONFIG_SERIAL_8250_CS is not set CONFIG_SERIAL_8250_NR_UARTS=32 CONFIG_SERIAL_8250_RUNTIME_UARTS=4 CONFIG_SERIAL_8250_EXTENDED=y CONFIG_SERIAL_8250_MANY_PORTS=y CONFIG_SERIAL_8250_SHARE_IRQ=y # CONFIG_SERIAL_8250_DETECT_IRQ is not set CONFIG_SERIAL_8250_RSA=y # CONFIG_SERIAL_8250_DW is not set # # Non-8250 serial port support # # CONFIG_SERIAL_MFD_HSU is not set CONFIG_SERIAL_CORE=y CONFIG_SERIAL_CORE_CONSOLE=y # CONFIG_SERIAL_JSM is not set # CONFIG_SERIAL_SCCNXP is not set # CONFIG_SERIAL_TIMBERDALE is not set # CONFIG_SERIAL_ALTERA_JTAGUART is not set # CONFIG_SERIAL_ALTERA_UART is not set # CONFIG_SERIAL_PCH_UART is not set # CONFIG_SERIAL_ARC is not set # CONFIG_SERIAL_RP2 is not set # CONFIG_SERIAL_FSL_LPUART is not set # CONFIG_PRINTER is not set CONFIG_PPDEV=m CONFIG_HVC_DRIVER=y CONFIG_HVC_IRQ=y CONFIG_HVC_XEN=y CONFIG_HVC_XEN_FRONTEND=y CONFIG_VIRTIO_CONSOLE=m # CONFIG_IPMI_HANDLER is not set CONFIG_HW_RANDOM=y # CONFIG_HW_RANDOM_TIMERIOMEM is not set # CONFIG_HW_RANDOM_INTEL is not set # CONFIG_HW_RANDOM_AMD is not set # CONFIG_HW_RANDOM_ATMEL is not set # CONFIG_HW_RANDOM_VIA is not set # CONFIG_HW_RANDOM_VIRTIO is not set # CONFIG_HW_RANDOM_EXYNOS is not set CONFIG_NVRAM=y # CONFIG_R3964 is not set # CONFIG_APPLICOM is not set # # PCMCIA character devices # # CONFIG_SYNCLINK_CS is not set # CONFIG_CARDMAN_4000 is not set # CONFIG_CARDMAN_4040 is not set # CONFIG_IPWIRELESS is not set # CONFIG_MWAVE is not set CONFIG_RAW_DRIVER=y CONFIG_MAX_RAW_DEVS=8192 CONFIG_HPET=y # CONFIG_HPET_MMAP is not set # CONFIG_HANGCHECK_TIMER is not set # CONFIG_UV_MMTIMER is not set # CONFIG_TCG_TPM is not set # CONFIG_TELCLOCK is not set CONFIG_DEVPORT=y CONFIG_I2C=m CONFIG_I2C_BOARDINFO=y CONFIG_I2C_COMPAT=y # CONFIG_I2C_CHARDEV is not set # CONFIG_I2C_MUX is not set CONFIG_I2C_HELPER_AUTO=y CONFIG_I2C_ALGOBIT=m # # I2C Hardware Bus support # # # PC SMBus host controller drivers # # CONFIG_I2C_ALI1535 is not set # CONFIG_I2C_ALI1563 is not set # CONFIG_I2C_ALI15X3 is not set # CONFIG_I2C_AMD756 is not set # CONFIG_I2C_AMD8111 is not set # CONFIG_I2C_I801 is not set # CONFIG_I2C_ISCH is not set # CONFIG_I2C_ISMT is not set CONFIG_I2C_PIIX4=m # CONFIG_I2C_NFORCE2 is not set # CONFIG_I2C_SIS5595 is not set # CONFIG_I2C_SIS630 is not set # CONFIG_I2C_SIS96X is not set # CONFIG_I2C_VIA is not set # CONFIG_I2C_VIAPRO is not set # # ACPI drivers # # CONFIG_I2C_SCMI is not set # # I2C system bus drivers (mostly embedded / system-on-chip) # # CONFIG_I2C_CBUS_GPIO is not set # CONFIG_I2C_DESIGNWARE_PLATFORM is not set # CONFIG_I2C_DESIGNWARE_PCI is not set # CONFIG_I2C_EG20T is not set # CONFIG_I2C_GPIO is not set # CONFIG_I2C_OCORES is not set # CONFIG_I2C_PCA_PLATFORM is not set # CONFIG_I2C_PXA_PCI is not set # CONFIG_I2C_SIMTEC is not set # CONFIG_I2C_XILINX is not set # # External I2C/SMBus adapter drivers # # CONFIG_I2C_DIOLAN_U2C is not set # CONFIG_I2C_PARPORT is not set # CONFIG_I2C_PARPORT_LIGHT is not set # CONFIG_I2C_ROBOTFUZZ_OSIF is not set # CONFIG_I2C_TAOS_EVM is not set # CONFIG_I2C_TINY_USB is not set # # Other I2C/SMBus bus drivers # # CONFIG_I2C_STUB is not set # CONFIG_I2C_DEBUG_CORE is not set # CONFIG_I2C_DEBUG_ALGO is not set # CONFIG_I2C_DEBUG_BUS is not set # CONFIG_SPI is not set # CONFIG_SPMI is not set # CONFIG_HSI is not set # # PPS support # # CONFIG_PPS is not set # # PPS generators support # # # PTP clock support # # CONFIG_PTP_1588_CLOCK is not set # CONFIG_DP83640_PHY is not set # CONFIG_PTP_1588_CLOCK_PCH is not set CONFIG_PINCTRL=y # # Pin controllers # # CONFIG_PINMUX is not set # CONFIG_PINCONF is not set # CONFIG_DEBUG_PINCTRL is not set CONFIG_PINCTRL_BAYTRAIL=y CONFIG_ARCH_WANT_OPTIONAL_GPIOLIB=y CONFIG_GPIOLIB=y CONFIG_GPIO_DEVRES=y CONFIG_GPIO_ACPI=y # CONFIG_DEBUG_GPIO is not set CONFIG_GPIO_SYSFS=y # # Memory mapped GPIO drivers: # # CONFIG_GPIO_GENERIC_PLATFORM is not set # CONFIG_GPIO_IT8761E is not set # CONFIG_GPIO_F7188X is not set # CONFIG_GPIO_SCH311X is not set # CONFIG_GPIO_SCH is not set # CONFIG_GPIO_ICH is not set # CONFIG_GPIO_VX855 is not set # CONFIG_GPIO_LYNXPOINT is not set # # I2C GPIO expanders: # # CONFIG_GPIO_MAX7300 is not set # CONFIG_GPIO_MAX732X is not set # CONFIG_GPIO_PCA953X is not set # CONFIG_GPIO_PCF857X is not set # CONFIG_GPIO_ADP5588 is not set # # PCI GPIO expanders: # # CONFIG_GPIO_BT8XX is not set # CONFIG_GPIO_AMD8111 is not set # CONFIG_GPIO_INTEL_MID is not set # CONFIG_GPIO_PCH is not set # CONFIG_GPIO_ML_IOH is not set # CONFIG_GPIO_RDC321X is not set # # SPI GPIO expanders: # # # AC97 GPIO expanders: # # # LPC GPIO expanders: # # # MODULbus GPIO expanders: # # # USB GPIO expanders: # # CONFIG_W1 is not set CONFIG_POWER_SUPPLY=y # CONFIG_POWER_SUPPLY_DEBUG is not set # CONFIG_PDA_POWER is not set # CONFIG_TEST_POWER is not set # CONFIG_BATTERY_DS2780 is not set # CONFIG_BATTERY_DS2781 is not set # CONFIG_BATTERY_DS2782 is not set # CONFIG_BATTERY_SBS is not set # CONFIG_BATTERY_BQ27x00 is not set # CONFIG_BATTERY_MAX17040 is not set # CONFIG_BATTERY_MAX17042 is not set # CONFIG_CHARGER_MAX8903 is not set # CONFIG_CHARGER_LP8727 is not set # CONFIG_CHARGER_GPIO is not set # CONFIG_CHARGER_BQ2415X is not set # CONFIG_CHARGER_BQ24190 is not set # CONFIG_CHARGER_BQ24735 is not set # CONFIG_CHARGER_SMB347 is not set CONFIG_POWER_RESET=y # CONFIG_POWER_AVS is not set CONFIG_HWMON=y # CONFIG_HWMON_VID is not set # CONFIG_HWMON_DEBUG_CHIP is not set # # Native drivers # # CONFIG_SENSORS_ABITUGURU is not set # CONFIG_SENSORS_ABITUGURU3 is not set # CONFIG_SENSORS_AD7414 is not set # CONFIG_SENSORS_AD7418 is not set # CONFIG_SENSORS_ADM1021 is not set # CONFIG_SENSORS_ADM1025 is not set # CONFIG_SENSORS_ADM1026 is not set # CONFIG_SENSORS_ADM1029 is not set # CONFIG_SENSORS_ADM1031 is not set # CONFIG_SENSORS_ADM9240 is not set # CONFIG_SENSORS_ADT7410 is not set # CONFIG_SENSORS_ADT7411 is not set # CONFIG_SENSORS_ADT7462 is not set # CONFIG_SENSORS_ADT7470 is not set # CONFIG_SENSORS_ADT7475 is not set # CONFIG_SENSORS_ASC7621 is not set # CONFIG_SENSORS_K8TEMP is not set # CONFIG_SENSORS_K10TEMP is not set # CONFIG_SENSORS_FAM15H_POWER is not set # CONFIG_SENSORS_APPLESMC is not set # CONFIG_SENSORS_ASB100 is not set # CONFIG_SENSORS_ATXP1 is not set # CONFIG_SENSORS_DS620 is not set # CONFIG_SENSORS_DS1621 is not set # CONFIG_SENSORS_I5K_AMB is not set # CONFIG_SENSORS_F71805F is not set # CONFIG_SENSORS_F71882FG is not set # CONFIG_SENSORS_F75375S is not set # CONFIG_SENSORS_FSCHMD is not set # CONFIG_SENSORS_GL518SM is not set # CONFIG_SENSORS_GL520SM is not set # CONFIG_SENSORS_G760A is not set # CONFIG_SENSORS_G762 is not set # CONFIG_SENSORS_GPIO_FAN is not set # CONFIG_SENSORS_HIH6130 is not set # CONFIG_SENSORS_CORETEMP is not set # CONFIG_SENSORS_IT87 is not set # CONFIG_SENSORS_JC42 is not set # CONFIG_SENSORS_LINEAGE is not set # CONFIG_SENSORS_LTC2945 is not set # CONFIG_SENSORS_LTC4151 is not set # CONFIG_SENSORS_LTC4215 is not set # CONFIG_SENSORS_LTC4222 is not set # CONFIG_SENSORS_LTC4245 is not set # CONFIG_SENSORS_LTC4260 is not set # CONFIG_SENSORS_LTC4261 is not set # CONFIG_SENSORS_MAX16065 is not set # CONFIG_SENSORS_MAX1619 is not set # CONFIG_SENSORS_MAX1668 is not set # CONFIG_SENSORS_MAX197 is not set # CONFIG_SENSORS_MAX6639 is not set # CONFIG_SENSORS_MAX6642 is not set # CONFIG_SENSORS_MAX6650 is not set # CONFIG_SENSORS_MAX6697 is not set # CONFIG_SENSORS_HTU21 is not set # CONFIG_SENSORS_MCP3021 is not set # CONFIG_SENSORS_LM63 is not set # CONFIG_SENSORS_LM73 is not set # CONFIG_SENSORS_LM75 is not set # CONFIG_SENSORS_LM77 is not set # CONFIG_SENSORS_LM78 is not set # CONFIG_SENSORS_LM80 is not set # CONFIG_SENSORS_LM83 is not set # CONFIG_SENSORS_LM85 is not set # CONFIG_SENSORS_LM87 is not set # CONFIG_SENSORS_LM90 is not set # CONFIG_SENSORS_LM92 is not set # CONFIG_SENSORS_LM93 is not set # CONFIG_SENSORS_LM95234 is not set # CONFIG_SENSORS_LM95241 is not set # CONFIG_SENSORS_LM95245 is not set # CONFIG_SENSORS_PC87360 is not set # CONFIG_SENSORS_PC87427 is not set # CONFIG_SENSORS_NTC_THERMISTOR is not set # CONFIG_SENSORS_NCT6775 is not set # CONFIG_SENSORS_PCF8591 is not set # CONFIG_PMBUS is not set # CONFIG_SENSORS_SHT15 is not set # CONFIG_SENSORS_SHT21 is not set # CONFIG_SENSORS_SIS5595 is not set # CONFIG_SENSORS_DME1737 is not set # CONFIG_SENSORS_EMC1403 is not set # CONFIG_SENSORS_EMC2103 is not set # CONFIG_SENSORS_EMC6W201 is not set # CONFIG_SENSORS_SMSC47M1 is not set # CONFIG_SENSORS_SMSC47M192 is not set # CONFIG_SENSORS_SMSC47B397 is not set # CONFIG_SENSORS_SCH56XX_COMMON is not set # CONFIG_SENSORS_SCH5627 is not set # CONFIG_SENSORS_SCH5636 is not set # CONFIG_SENSORS_SMM665 is not set # CONFIG_SENSORS_ADC128D818 is not set # CONFIG_SENSORS_ADS1015 is not set # CONFIG_SENSORS_ADS7828 is not set # CONFIG_SENSORS_AMC6821 is not set # CONFIG_SENSORS_INA209 is not set # CONFIG_SENSORS_INA2XX is not set # CONFIG_SENSORS_THMC50 is not set # CONFIG_SENSORS_TMP102 is not set # CONFIG_SENSORS_TMP401 is not set # CONFIG_SENSORS_TMP421 is not set # CONFIG_SENSORS_VIA_CPUTEMP is not set # CONFIG_SENSORS_VIA686A is not set # CONFIG_SENSORS_VT1211 is not set # CONFIG_SENSORS_VT8231 is not set # CONFIG_SENSORS_W83781D is not set # CONFIG_SENSORS_W83791D is not set # CONFIG_SENSORS_W83792D is not set # CONFIG_SENSORS_W83793 is not set # CONFIG_SENSORS_W83795 is not set # CONFIG_SENSORS_W83L785TS is not set # CONFIG_SENSORS_W83L786NG is not set # CONFIG_SENSORS_W83627HF is not set # CONFIG_SENSORS_W83627EHF is not set # # ACPI drivers # # CONFIG_SENSORS_ACPI_POWER is not set # CONFIG_SENSORS_ATK0110 is not set CONFIG_THERMAL=y CONFIG_THERMAL_HWMON=y CONFIG_THERMAL_DEFAULT_GOV_STEP_WISE=y # CONFIG_THERMAL_DEFAULT_GOV_FAIR_SHARE is not set # CONFIG_THERMAL_DEFAULT_GOV_USER_SPACE is not set CONFIG_THERMAL_GOV_FAIR_SHARE=y CONFIG_THERMAL_GOV_STEP_WISE=y CONFIG_THERMAL_GOV_USER_SPACE=y # CONFIG_THERMAL_EMULATION is not set # CONFIG_INTEL_POWERCLAMP is not set # CONFIG_X86_PKG_TEMP_THERMAL is not set # CONFIG_ACPI_INT3403_THERMAL is not set # # Texas Instruments thermal drivers # CONFIG_WATCHDOG=y CONFIG_WATCHDOG_CORE=y # CONFIG_WATCHDOG_NOWAYOUT is not set # # Watchdog Device Drivers # # CONFIG_SOFT_WATCHDOG is not set # CONFIG_XILINX_WATCHDOG is not set # CONFIG_DW_WATCHDOG is not set # CONFIG_ACQUIRE_WDT is not set # CONFIG_ADVANTECH_WDT is not set # CONFIG_ALIM1535_WDT is not set # CONFIG_ALIM7101_WDT is not set # CONFIG_F71808E_WDT is not set # CONFIG_SP5100_TCO is not set # CONFIG_SBC_FITPC2_WATCHDOG is not set # CONFIG_EUROTECH_WDT is not set # CONFIG_IB700_WDT is not set # CONFIG_IBMASR is not set # CONFIG_WAFER_WDT is not set # CONFIG_I6300ESB_WDT is not set # CONFIG_IE6XX_WDT is not set # CONFIG_ITCO_WDT is not set # CONFIG_IT8712F_WDT is not set # CONFIG_IT87_WDT is not set # CONFIG_HP_WATCHDOG is not set # CONFIG_SC1200_WDT is not set # CONFIG_PC87413_WDT is not set # CONFIG_NV_TCO is not set # CONFIG_60XX_WDT is not set # CONFIG_SBC8360_WDT is not set # CONFIG_CPU5_WDT is not set # CONFIG_SMSC_SCH311X_WDT is not set # CONFIG_SMSC37B787_WDT is not set # CONFIG_VIA_WDT is not set # CONFIG_W83627HF_WDT is not set # CONFIG_W83697HF_WDT is not set # CONFIG_W83697UG_WDT is not set # CONFIG_W83877F_WDT is not set # CONFIG_W83977F_WDT is not set # CONFIG_MACHZ_WDT is not set # CONFIG_SBC_EPX_C3_WATCHDOG is not set # CONFIG_MEN_A21_WDT is not set # CONFIG_XEN_WDT is not set # # PCI-based Watchdog Cards # # CONFIG_PCIPCWATCHDOG is not set # CONFIG_WDTPCI is not set # # USB-based Watchdog Cards # # CONFIG_USBPCWATCHDOG is not set CONFIG_SSB_POSSIBLE=y # # Sonics Silicon Backplane # # CONFIG_SSB is not set CONFIG_BCMA_POSSIBLE=y # # Broadcom specific AMBA # # CONFIG_BCMA is not set # # Multifunction device drivers # # CONFIG_MFD_CORE is not set # CONFIG_MFD_CS5535 is not set # CONFIG_MFD_BCM590XX is not set # CONFIG_MFD_CROS_EC is not set # CONFIG_MFD_MC13XXX_I2C is not set # CONFIG_HTC_PASIC3 is not set # CONFIG_LPC_ICH is not set # CONFIG_LPC_SCH is not set # CONFIG_MFD_JANZ_CMODIO is not set # CONFIG_MFD_KEMPLD is not set # CONFIG_MFD_VIPERBOARD is not set # CONFIG_MFD_RETU is not set # CONFIG_MFD_PCF50633 is not set # CONFIG_MFD_RDC321X is not set # CONFIG_MFD_RTSX_PCI is not set # CONFIG_MFD_RTSX_USB is not set # CONFIG_MFD_SI476X_CORE is not set # CONFIG_MFD_SM501 is not set # CONFIG_ABX500_CORE is not set # CONFIG_MFD_SYSCON is not set # CONFIG_MFD_TI_AM335X_TSCADC is not set # CONFIG_MFD_LP3943 is not set # CONFIG_TPS6105X is not set # CONFIG_TPS65010 is not set # CONFIG_TPS6507X is not set # CONFIG_MFD_TPS65217 is not set # CONFIG_MFD_TPS65218 is not set # CONFIG_MFD_TPS65912 is not set # CONFIG_MFD_WL1273_CORE is not set # CONFIG_MFD_LM3533 is not set # CONFIG_MFD_TIMBERDALE is not set # CONFIG_MFD_TMIO is not set # CONFIG_MFD_VX855 is not set # CONFIG_MFD_ARIZONA_I2C is not set # CONFIG_REGULATOR is not set # CONFIG_MEDIA_SUPPORT is not set # # Graphics support # CONFIG_AGP=y CONFIG_AGP_AMD64=y CONFIG_AGP_INTEL=y CONFIG_AGP_SIS=y CONFIG_AGP_VIA=y CONFIG_INTEL_GTT=y CONFIG_VGA_ARB=y CONFIG_VGA_ARB_MAX_GPUS=16 CONFIG_VGA_SWITCHEROO=y CONFIG_DRM=m CONFIG_DRM_KMS_HELPER=m CONFIG_DRM_KMS_FB_HELPER=y CONFIG_DRM_LOAD_EDID_FIRMWARE=y CONFIG_DRM_TTM=m # # I2C encoder or helper chips # # CONFIG_DRM_I2C_CH7006 is not set # CONFIG_DRM_I2C_SIL164 is not set # CONFIG_DRM_I2C_NXP_TDA998X is not set # CONFIG_DRM_TDFX is not set # CONFIG_DRM_R128 is not set # CONFIG_DRM_RADEON is not set # CONFIG_DRM_NOUVEAU is not set # CONFIG_DRM_I810 is not set # CONFIG_DRM_I915 is not set # CONFIG_DRM_MGA is not set # CONFIG_DRM_SIS is not set # CONFIG_DRM_VIA is not set # CONFIG_DRM_SAVAGE is not set # CONFIG_DRM_VMWGFX is not set # CONFIG_DRM_GMA500 is not set # CONFIG_DRM_UDL is not set # CONFIG_DRM_AST is not set # CONFIG_DRM_MGAG200 is not set # CONFIG_DRM_CIRRUS_QEMU is not set CONFIG_DRM_QXL=m # CONFIG_DRM_BOCHS is not set # CONFIG_DRM_PTN3460 is not set # CONFIG_VGASTATE is not set CONFIG_HDMI=y CONFIG_FB=y # CONFIG_FIRMWARE_EDID is not set # CONFIG_FB_DDC is not set CONFIG_FB_BOOT_VESA_SUPPORT=y CONFIG_FB_CFB_FILLRECT=y CONFIG_FB_CFB_COPYAREA=y CONFIG_FB_CFB_IMAGEBLIT=y # CONFIG_FB_CFB_REV_PIXELS_IN_BYTE is not set CONFIG_FB_SYS_FILLRECT=y CONFIG_FB_SYS_COPYAREA=y CONFIG_FB_SYS_IMAGEBLIT=y # CONFIG_FB_FOREIGN_ENDIAN is not set CONFIG_FB_SYS_FOPS=y CONFIG_FB_DEFERRED_IO=y # CONFIG_FB_SVGALIB is not set # CONFIG_FB_MACMODES is not set # CONFIG_FB_BACKLIGHT is not set # CONFIG_FB_MODE_HELPERS is not set CONFIG_FB_TILEBLITTING=y # # Frame buffer hardware drivers # # CONFIG_FB_CIRRUS is not set # CONFIG_FB_PM2 is not set # CONFIG_FB_CYBER2000 is not set # CONFIG_FB_ARC is not set # CONFIG_FB_ASILIANT is not set # CONFIG_FB_IMSTT is not set # CONFIG_FB_VGA16 is not set # CONFIG_FB_UVESA is not set CONFIG_FB_VESA=y CONFIG_FB_EFI=y # CONFIG_FB_N411 is not set # CONFIG_FB_HGA is not set # CONFIG_FB_OPENCORES is not set # CONFIG_FB_S1D13XXX is not set # CONFIG_FB_NVIDIA is not set # CONFIG_FB_RIVA is not set # CONFIG_FB_I740 is not set # CONFIG_FB_LE80578 is not set # CONFIG_FB_MATROX is not set # CONFIG_FB_RADEON is not set # CONFIG_FB_ATY128 is not set # CONFIG_FB_ATY is not set # CONFIG_FB_S3 is not set # CONFIG_FB_SAVAGE is not set # CONFIG_FB_SIS is not set # CONFIG_FB_VIA is not set # CONFIG_FB_NEOMAGIC is not set # CONFIG_FB_KYRO is not set # CONFIG_FB_3DFX is not set # CONFIG_FB_VOODOO1 is not set # CONFIG_FB_VT8623 is not set # CONFIG_FB_TRIDENT is not set # CONFIG_FB_ARK is not set # CONFIG_FB_PM3 is not set # CONFIG_FB_CARMINE is not set # CONFIG_FB_SMSCUFX is not set # CONFIG_FB_UDL is not set # CONFIG_FB_GOLDFISH is not set # CONFIG_FB_VIRTUAL is not set CONFIG_XEN_FBDEV_FRONTEND=y # CONFIG_FB_METRONOME is not set # CONFIG_FB_MB862XX is not set # CONFIG_FB_BROADSHEET is not set # CONFIG_FB_AUO_K190X is not set # CONFIG_FB_SIMPLE is not set # CONFIG_EXYNOS_VIDEO is not set CONFIG_BACKLIGHT_LCD_SUPPORT=y # CONFIG_LCD_CLASS_DEVICE is not set CONFIG_BACKLIGHT_CLASS_DEVICE=y # CONFIG_BACKLIGHT_GENERIC is not set # CONFIG_BACKLIGHT_APPLE is not set # CONFIG_BACKLIGHT_SAHARA is not set # CONFIG_BACKLIGHT_ADP8860 is not set # CONFIG_BACKLIGHT_ADP8870 is not set # CONFIG_BACKLIGHT_LM3630A is not set # CONFIG_BACKLIGHT_LM3639 is not set # CONFIG_BACKLIGHT_LP855X is not set # CONFIG_BACKLIGHT_GPIO is not set # CONFIG_BACKLIGHT_LV5207LP is not set # CONFIG_BACKLIGHT_BD6107 is not set # # Console display driver support # CONFIG_VGA_CONSOLE=y CONFIG_VGACON_SOFT_SCROLLBACK=y CONFIG_VGACON_SOFT_SCROLLBACK_SIZE=64 CONFIG_DUMMY_CONSOLE=y CONFIG_FRAMEBUFFER_CONSOLE=y CONFIG_FRAMEBUFFER_CONSOLE_DETECT_PRIMARY=y CONFIG_FRAMEBUFFER_CONSOLE_ROTATION=y CONFIG_LOGO=y # CONFIG_LOGO_LINUX_MONO is not set # CONFIG_LOGO_LINUX_VGA16 is not set CONFIG_LOGO_LINUX_CLUT224=y CONFIG_SOUND=m CONFIG_SOUND_OSS_CORE=y CONFIG_SOUND_OSS_CORE_PRECLAIM=y CONFIG_SND=m CONFIG_SND_TIMER=m CONFIG_SND_PCM=m CONFIG_SND_HWDEP=m CONFIG_SND_JACK=y CONFIG_SND_SEQUENCER=m # CONFIG_SND_SEQ_DUMMY is not set CONFIG_SND_OSSEMUL=y # CONFIG_SND_MIXER_OSS is not set # CONFIG_SND_PCM_OSS is not set CONFIG_SND_SEQUENCER_OSS=y # CONFIG_SND_HRTIMER is not set CONFIG_SND_DYNAMIC_MINORS=y CONFIG_SND_MAX_CARDS=32 # CONFIG_SND_SUPPORT_OLD_API is not set CONFIG_SND_VERBOSE_PROCFS=y CONFIG_SND_VERBOSE_PRINTK=y CONFIG_SND_DEBUG=y # CONFIG_SND_DEBUG_VERBOSE is not set CONFIG_SND_PCM_XRUN_DEBUG=y CONFIG_SND_VMASTER=y CONFIG_SND_KCTL_JACK=y CONFIG_SND_DMA_SGBUF=y # CONFIG_SND_RAWMIDI_SEQ is not set # CONFIG_SND_OPL3_LIB_SEQ is not set # CONFIG_SND_OPL4_LIB_SEQ is not set # CONFIG_SND_SBAWE_SEQ is not set # CONFIG_SND_EMU10K1_SEQ is not set CONFIG_SND_DRIVERS=y # CONFIG_SND_PCSP is not set # CONFIG_SND_DUMMY is not set # CONFIG_SND_ALOOP is not set # CONFIG_SND_VIRMIDI is not set # CONFIG_SND_MTPAV is not set # CONFIG_SND_MTS64 is not set # CONFIG_SND_SERIAL_U16550 is not set # CONFIG_SND_MPU401 is not set # CONFIG_SND_PORTMAN2X4 is not set CONFIG_SND_PCI=y # CONFIG_SND_AD1889 is not set # CONFIG_SND_ALS300 is not set # CONFIG_SND_ALS4000 is not set # CONFIG_SND_ALI5451 is not set # CONFIG_SND_ASIHPI is not set # CONFIG_SND_ATIIXP is not set # CONFIG_SND_ATIIXP_MODEM is not set # CONFIG_SND_AU8810 is not set # CONFIG_SND_AU8820 is not set # CONFIG_SND_AU8830 is not set # CONFIG_SND_AW2 is not set # CONFIG_SND_AZT3328 is not set # CONFIG_SND_BT87X is not set # CONFIG_SND_CA0106 is not set # CONFIG_SND_CMIPCI is not set # CONFIG_SND_OXYGEN is not set # CONFIG_SND_CS4281 is not set # CONFIG_SND_CS46XX is not set # CONFIG_SND_CTXFI is not set # CONFIG_SND_DARLA20 is not set # CONFIG_SND_GINA20 is not set # CONFIG_SND_LAYLA20 is not set # CONFIG_SND_DARLA24 is not set # CONFIG_SND_GINA24 is not set # CONFIG_SND_LAYLA24 is not set # CONFIG_SND_MONA is not set # CONFIG_SND_MIA is not set # CONFIG_SND_ECHO3G is not set # CONFIG_SND_INDIGO is not set # CONFIG_SND_INDIGOIO is not set # CONFIG_SND_INDIGODJ is not set # CONFIG_SND_INDIGOIOX is not set # CONFIG_SND_INDIGODJX is not set # CONFIG_SND_EMU10K1 is not set # CONFIG_SND_EMU10K1X is not set # CONFIG_SND_ENS1370 is not set # CONFIG_SND_ENS1371 is not set # CONFIG_SND_ES1938 is not set # CONFIG_SND_ES1968 is not set # CONFIG_SND_FM801 is not set # CONFIG_SND_HDSP is not set # CONFIG_SND_HDSPM is not set # CONFIG_SND_ICE1712 is not set # CONFIG_SND_ICE1724 is not set # CONFIG_SND_INTEL8X0 is not set # CONFIG_SND_INTEL8X0M is not set # CONFIG_SND_KORG1212 is not set # CONFIG_SND_LOLA is not set # CONFIG_SND_LX6464ES is not set # CONFIG_SND_MAESTRO3 is not set # CONFIG_SND_MIXART is not set # CONFIG_SND_NM256 is not set # CONFIG_SND_PCXHR is not set # CONFIG_SND_RIPTIDE is not set # CONFIG_SND_RME32 is not set # CONFIG_SND_RME96 is not set # CONFIG_SND_RME9652 is not set # CONFIG_SND_SONICVIBES is not set # CONFIG_SND_TRIDENT is not set # CONFIG_SND_VIA82XX is not set # CONFIG_SND_VIA82XX_MODEM is not set # CONFIG_SND_VIRTUOSO is not set # CONFIG_SND_VX222 is not set # CONFIG_SND_YMFPCI is not set # # HD-Audio # CONFIG_SND_HDA=m CONFIG_SND_HDA_INTEL=m CONFIG_SND_HDA_PREALLOC_SIZE=4096 CONFIG_SND_HDA_HWDEP=y CONFIG_SND_HDA_RECONFIG=y CONFIG_SND_HDA_INPUT_BEEP=y CONFIG_SND_HDA_INPUT_BEEP_MODE=0 CONFIG_SND_HDA_INPUT_JACK=y CONFIG_SND_HDA_PATCH_LOADER=y # CONFIG_SND_HDA_CODEC_REALTEK is not set # CONFIG_SND_HDA_CODEC_ANALOG is not set # CONFIG_SND_HDA_CODEC_SIGMATEL is not set # CONFIG_SND_HDA_CODEC_VIA is not set # CONFIG_SND_HDA_CODEC_HDMI is not set # CONFIG_SND_HDA_CODEC_CIRRUS is not set # CONFIG_SND_HDA_CODEC_CONEXANT is not set # CONFIG_SND_HDA_CODEC_CA0110 is not set # CONFIG_SND_HDA_CODEC_CA0132 is not set # CONFIG_SND_HDA_CODEC_CMEDIA is not set # CONFIG_SND_HDA_CODEC_SI3054 is not set # CONFIG_SND_HDA_GENERIC is not set CONFIG_SND_HDA_POWER_SAVE_DEFAULT=0 CONFIG_SND_USB=y # CONFIG_SND_USB_AUDIO is not set # CONFIG_SND_USB_UA101 is not set # CONFIG_SND_USB_USX2Y is not set # CONFIG_SND_USB_CAIAQ is not set # CONFIG_SND_USB_US122L is not set # CONFIG_SND_USB_6FIRE is not set # CONFIG_SND_USB_HIFACE is not set # CONFIG_SND_PCMCIA is not set # CONFIG_SND_SOC is not set # CONFIG_SOUND_PRIME is not set # # HID support # CONFIG_HID=y CONFIG_HID_BATTERY_STRENGTH=y CONFIG_HIDRAW=y # CONFIG_UHID is not set CONFIG_HID_GENERIC=y # # Special HID drivers # CONFIG_HID_A4TECH=y # CONFIG_HID_ACRUX is not set CONFIG_HID_APPLE=y # CONFIG_HID_APPLEIR is not set # CONFIG_HID_AUREAL is not set CONFIG_HID_BELKIN=y CONFIG_HID_CHERRY=y CONFIG_HID_CHICONY=y # CONFIG_HID_PRODIKEYS is not set # CONFIG_HID_CP2112 is not set CONFIG_HID_CYPRESS=y # CONFIG_HID_DRAGONRISE is not set # CONFIG_HID_EMS_FF is not set # CONFIG_HID_ELECOM is not set # CONFIG_HID_ELO is not set CONFIG_HID_EZKEY=y # CONFIG_HID_HOLTEK is not set # CONFIG_HID_HUION is not set # CONFIG_HID_KEYTOUCH is not set # CONFIG_HID_KYE is not set # CONFIG_HID_UCLOGIC is not set # CONFIG_HID_WALTOP is not set # CONFIG_HID_GYRATION is not set # CONFIG_HID_ICADE is not set # CONFIG_HID_TWINHAN is not set CONFIG_HID_KENSINGTON=y # CONFIG_HID_LCPOWER is not set # CONFIG_HID_LENOVO_TPKBD is not set CONFIG_HID_LOGITECH=y # CONFIG_HID_LOGITECH_DJ is not set CONFIG_LOGITECH_FF=y CONFIG_LOGIRUMBLEPAD2_FF=y CONFIG_LOGIG940_FF=y CONFIG_LOGIWHEELS_FF=y CONFIG_HID_MAGICMOUSE=y CONFIG_HID_MICROSOFT=y CONFIG_HID_MONTEREY=y # CONFIG_HID_MULTITOUCH is not set CONFIG_HID_NTRIG=y # CONFIG_HID_ORTEK is not set # CONFIG_HID_PANTHERLORD is not set # CONFIG_HID_PETALYNX is not set # CONFIG_HID_PICOLCD is not set # CONFIG_HID_PRIMAX is not set # CONFIG_HID_ROCCAT is not set # CONFIG_HID_SAITEK is not set # CONFIG_HID_SAMSUNG is not set # CONFIG_HID_SONY is not set # CONFIG_HID_SPEEDLINK is not set # CONFIG_HID_STEELSERIES is not set # CONFIG_HID_SUNPLUS is not set # CONFIG_HID_GREENASIA is not set # CONFIG_HID_SMARTJOYPLUS is not set # CONFIG_HID_TIVO is not set # CONFIG_HID_TOPSEED is not set # CONFIG_HID_THINGM is not set # CONFIG_HID_THRUSTMASTER is not set # CONFIG_HID_WACOM is not set # CONFIG_HID_WIIMOTE is not set # CONFIG_HID_XINMO is not set # CONFIG_HID_ZEROPLUS is not set # CONFIG_HID_ZYDACRON is not set # CONFIG_HID_SENSOR_HUB is not set # # USB HID support # CONFIG_USB_HID=y CONFIG_HID_PID=y CONFIG_USB_HIDDEV=y # # I2C HID support # # CONFIG_I2C_HID is not set CONFIG_USB_OHCI_LITTLE_ENDIAN=y CONFIG_USB_SUPPORT=y CONFIG_USB_COMMON=y CONFIG_USB_ARCH_HAS_HCD=y CONFIG_USB=y # CONFIG_USB_DEBUG is not set CONFIG_USB_ANNOUNCE_NEW_DEVICES=y # # Miscellaneous USB options # CONFIG_USB_DEFAULT_PERSIST=y # CONFIG_USB_DYNAMIC_MINORS is not set # CONFIG_USB_OTG is not set CONFIG_USB_MON=y # CONFIG_USB_WUSB_CBAF is not set # # USB Host Controller Drivers # # CONFIG_USB_C67X00_HCD is not set CONFIG_USB_XHCI_HCD=y CONFIG_USB_EHCI_HCD=y CONFIG_USB_EHCI_ROOT_HUB_TT=y CONFIG_USB_EHCI_TT_NEWSCHED=y CONFIG_USB_EHCI_PCI=y # CONFIG_USB_EHCI_HCD_PLATFORM is not set # CONFIG_USB_OXU210HP_HCD is not set # CONFIG_USB_ISP116X_HCD is not set # CONFIG_USB_ISP1760_HCD is not set # CONFIG_USB_ISP1362_HCD is not set # CONFIG_USB_FUSBH200_HCD is not set # CONFIG_USB_FOTG210_HCD is not set CONFIG_USB_OHCI_HCD=y CONFIG_USB_OHCI_HCD_PCI=y # CONFIG_USB_OHCI_HCD_PLATFORM is not set CONFIG_USB_UHCI_HCD=y # CONFIG_USB_SL811_HCD is not set # CONFIG_USB_R8A66597_HCD is not set # CONFIG_USB_HCD_TEST_MODE is not set # # USB Device Class drivers # # CONFIG_USB_ACM is not set # CONFIG_USB_PRINTER is not set # CONFIG_USB_WDM is not set # CONFIG_USB_TMC is not set # # NOTE: USB_STORAGE depends on SCSI but BLK_DEV_SD may # # # also be needed; see USB_STORAGE Help for more info # # CONFIG_USB_STORAGE is not set # # USB Imaging devices # # CONFIG_USB_MDC800 is not set # CONFIG_USB_MICROTEK is not set # CONFIG_USB_MUSB_HDRC is not set # CONFIG_USB_DWC3 is not set # CONFIG_USB_DWC2 is not set # CONFIG_USB_CHIPIDEA is not set # # USB port drivers # # CONFIG_USB_USS720 is not set CONFIG_USB_SERIAL=y CONFIG_USB_SERIAL_CONSOLE=y CONFIG_USB_SERIAL_GENERIC=y # CONFIG_USB_SERIAL_SIMPLE is not set # CONFIG_USB_SERIAL_AIRCABLE is not set # CONFIG_USB_SERIAL_ARK3116 is not set # CONFIG_USB_SERIAL_BELKIN is not set # CONFIG_USB_SERIAL_CH341 is not set # CONFIG_USB_SERIAL_WHITEHEAT is not set # CONFIG_USB_SERIAL_DIGI_ACCELEPORT is not set # CONFIG_USB_SERIAL_CP210X is not set # CONFIG_USB_SERIAL_CYPRESS_M8 is not set # CONFIG_USB_SERIAL_EMPEG is not set # CONFIG_USB_SERIAL_FTDI_SIO is not set # CONFIG_USB_SERIAL_VISOR is not set # CONFIG_USB_SERIAL_IPAQ is not set # CONFIG_USB_SERIAL_IR is not set # CONFIG_USB_SERIAL_EDGEPORT is not set # CONFIG_USB_SERIAL_EDGEPORT_TI is not set # CONFIG_USB_SERIAL_F81232 is not set # CONFIG_USB_SERIAL_GARMIN is not set # CONFIG_USB_SERIAL_IPW is not set # CONFIG_USB_SERIAL_IUU is not set # CONFIG_USB_SERIAL_KEYSPAN_PDA is not set # CONFIG_USB_SERIAL_KEYSPAN is not set # CONFIG_USB_SERIAL_KLSI is not set # CONFIG_USB_SERIAL_KOBIL_SCT is not set # CONFIG_USB_SERIAL_MCT_U232 is not set # CONFIG_USB_SERIAL_METRO is not set # CONFIG_USB_SERIAL_MOS7720 is not set # CONFIG_USB_SERIAL_MOS7840 is not set # CONFIG_USB_SERIAL_MXUPORT is not set # CONFIG_USB_SERIAL_NAVMAN is not set # CONFIG_USB_SERIAL_PL2303 is not set # CONFIG_USB_SERIAL_OTI6858 is not set # CONFIG_USB_SERIAL_QCAUX is not set # CONFIG_USB_SERIAL_QUALCOMM is not set # CONFIG_USB_SERIAL_SPCP8X5 is not set # CONFIG_USB_SERIAL_SAFE is not set # CONFIG_USB_SERIAL_SIERRAWIRELESS is not set # CONFIG_USB_SERIAL_SYMBOL is not set # CONFIG_USB_SERIAL_TI is not set # CONFIG_USB_SERIAL_CYBERJACK is not set # CONFIG_USB_SERIAL_XIRCOM is not set # CONFIG_USB_SERIAL_OPTION is not set # CONFIG_USB_SERIAL_OMNINET is not set # CONFIG_USB_SERIAL_OPTICON is not set # CONFIG_USB_SERIAL_XSENS_MT is not set # CONFIG_USB_SERIAL_WISHBONE is not set # CONFIG_USB_SERIAL_ZTE is not set # CONFIG_USB_SERIAL_SSU100 is not set # CONFIG_USB_SERIAL_QT2 is not set # CONFIG_USB_SERIAL_DEBUG is not set # # USB Miscellaneous drivers # # CONFIG_USB_EMI62 is not set # CONFIG_USB_EMI26 is not set # CONFIG_USB_ADUTUX is not set # CONFIG_USB_SEVSEG is not set # CONFIG_USB_RIO500 is not set # CONFIG_USB_LEGOTOWER is not set # CONFIG_USB_LCD is not set # CONFIG_USB_LED is not set # CONFIG_USB_CYPRESS_CY7C63 is not set # CONFIG_USB_CYTHERM is not set # CONFIG_USB_IDMOUSE is not set # CONFIG_USB_FTDI_ELAN is not set # CONFIG_USB_APPLEDISPLAY is not set # CONFIG_USB_SISUSBVGA is not set # CONFIG_USB_LD is not set # CONFIG_USB_TRANCEVIBRATOR is not set # CONFIG_USB_IOWARRIOR is not set # CONFIG_USB_TEST is not set # CONFIG_USB_EHSET_TEST_FIXTURE is not set # CONFIG_USB_ISIGHTFW is not set # CONFIG_USB_YUREX is not set # CONFIG_USB_EZUSB_FX2 is not set # CONFIG_USB_HSIC_USB3503 is not set # # USB Physical Layer drivers # # CONFIG_USB_PHY is not set # CONFIG_USB_OTG_FSM is not set # CONFIG_NOP_USB_XCEIV is not set # CONFIG_SAMSUNG_USB2PHY is not set # CONFIG_SAMSUNG_USB3PHY is not set # CONFIG_USB_GPIO_VBUS is not set # CONFIG_USB_ISP1301 is not set # CONFIG_USB_RCAR_PHY is not set # CONFIG_USB_GADGET is not set # CONFIG_UWB is not set # CONFIG_MMC is not set # CONFIG_MEMSTICK is not set CONFIG_NEW_LEDS=y CONFIG_LEDS_CLASS=y # # LED drivers # # CONFIG_LEDS_LM3530 is not set # CONFIG_LEDS_LM3642 is not set # CONFIG_LEDS_PCA9532 is not set # CONFIG_LEDS_GPIO is not set # CONFIG_LEDS_LP3944 is not set # CONFIG_LEDS_LP5521 is not set # CONFIG_LEDS_LP5523 is not set # CONFIG_LEDS_LP5562 is not set # CONFIG_LEDS_LP8501 is not set # CONFIG_LEDS_CLEVO_MAIL is not set # CONFIG_LEDS_PCA955X is not set # CONFIG_LEDS_PCA963X is not set # CONFIG_LEDS_PCA9685 is not set # CONFIG_LEDS_BD2802 is not set # CONFIG_LEDS_INTEL_SS4200 is not set # CONFIG_LEDS_LT3593 is not set # CONFIG_LEDS_TCA6507 is not set # CONFIG_LEDS_LM355x is not set # CONFIG_LEDS_BLINKM is not set # # LED Triggers # CONFIG_LEDS_TRIGGERS=y # CONFIG_LEDS_TRIGGER_TIMER is not set # CONFIG_LEDS_TRIGGER_ONESHOT is not set # CONFIG_LEDS_TRIGGER_HEARTBEAT is not set # CONFIG_LEDS_TRIGGER_BACKLIGHT is not set # CONFIG_LEDS_TRIGGER_CPU is not set # CONFIG_LEDS_TRIGGER_GPIO is not set # CONFIG_LEDS_TRIGGER_DEFAULT_ON is not set # # iptables trigger is under Netfilter config (LED target) # # CONFIG_LEDS_TRIGGER_TRANSIENT is not set # CONFIG_LEDS_TRIGGER_CAMERA is not set CONFIG_ACCESSIBILITY=y CONFIG_A11Y_BRAILLE_CONSOLE=y # CONFIG_INFINIBAND is not set CONFIG_EDAC=y CONFIG_EDAC_LEGACY_SYSFS=y # CONFIG_EDAC_DEBUG is not set # CONFIG_EDAC_DECODE_MCE is not set # CONFIG_EDAC_MM_EDAC is not set CONFIG_RTC_LIB=y CONFIG_RTC_CLASS=y CONFIG_RTC_HCTOSYS=y # CONFIG_RTC_SYSTOHC is not set CONFIG_RTC_HCTOSYS_DEVICE="rtc0" # CONFIG_RTC_DEBUG is not set # # RTC interfaces # CONFIG_RTC_INTF_SYSFS=y CONFIG_RTC_INTF_PROC=y CONFIG_RTC_INTF_DEV=y # CONFIG_RTC_INTF_DEV_UIE_EMUL is not set # CONFIG_RTC_DRV_TEST is not set # # I2C RTC drivers # # CONFIG_RTC_DRV_DS1307 is not set # CONFIG_RTC_DRV_DS1374 is not set # CONFIG_RTC_DRV_DS1672 is not set # CONFIG_RTC_DRV_DS3232 is not set # CONFIG_RTC_DRV_MAX6900 is not set # CONFIG_RTC_DRV_RS5C372 is not set # CONFIG_RTC_DRV_ISL1208 is not set # CONFIG_RTC_DRV_ISL12022 is not set # CONFIG_RTC_DRV_ISL12057 is not set # CONFIG_RTC_DRV_X1205 is not set # CONFIG_RTC_DRV_PCF2127 is not set # CONFIG_RTC_DRV_PCF8523 is not set # CONFIG_RTC_DRV_PCF8563 is not set # CONFIG_RTC_DRV_PCF8583 is not set # CONFIG_RTC_DRV_M41T80 is not set # CONFIG_RTC_DRV_BQ32K is not set # CONFIG_RTC_DRV_S35390A is not set # CONFIG_RTC_DRV_FM3130 is not set # CONFIG_RTC_DRV_RX8581 is not set # CONFIG_RTC_DRV_RX8025 is not set # CONFIG_RTC_DRV_EM3027 is not set # CONFIG_RTC_DRV_RV3029C2 is not set # # SPI RTC drivers # # # Platform RTC drivers # CONFIG_RTC_DRV_CMOS=y # CONFIG_RTC_DRV_DS1286 is not set # CONFIG_RTC_DRV_DS1511 is not set # CONFIG_RTC_DRV_DS1553 is not set # CONFIG_RTC_DRV_DS1742 is not set # CONFIG_RTC_DRV_STK17TA8 is not set # CONFIG_RTC_DRV_M48T86 is not set # CONFIG_RTC_DRV_M48T35 is not set # CONFIG_RTC_DRV_M48T59 is not set # CONFIG_RTC_DRV_MSM6242 is not set # CONFIG_RTC_DRV_BQ4802 is not set # CONFIG_RTC_DRV_RP5C01 is not set # CONFIG_RTC_DRV_V3020 is not set # CONFIG_RTC_DRV_DS2404 is not set # # on-CPU RTC drivers # # CONFIG_RTC_DRV_MOXART is not set # # HID Sensor RTC drivers # # CONFIG_RTC_DRV_HID_SENSOR_TIME is not set CONFIG_DMADEVICES=y CONFIG_DMADEVICES_DEBUG=y CONFIG_DMADEVICES_VDEBUG=y # # DMA Devices # # CONFIG_INTEL_MID_DMAC is not set # CONFIG_INTEL_IOATDMA is not set # CONFIG_DW_DMAC_CORE is not set # CONFIG_DW_DMAC is not set # CONFIG_DW_DMAC_PCI is not set # CONFIG_TIMB_DMA is not set # CONFIG_PCH_DMA is not set CONFIG_DMA_ACPI=y CONFIG_AUXDISPLAY=y # CONFIG_KS0108 is not set # CONFIG_UIO is not set # CONFIG_VFIO is not set # CONFIG_VIRT_DRIVERS is not set CONFIG_VIRTIO=m # # Virtio drivers # CONFIG_VIRTIO_PCI=m CONFIG_VIRTIO_BALLOON=m # CONFIG_VIRTIO_MMIO is not set # # Microsoft Hyper-V guest support # # CONFIG_HYPERV is not set # # Xen driver support # CONFIG_XEN_BALLOON=y CONFIG_XEN_SELFBALLOONING=y # CONFIG_XEN_BALLOON_MEMORY_HOTPLUG is not set CONFIG_XEN_SCRUB_PAGES=y # CONFIG_XEN_DEV_EVTCHN is not set CONFIG_XEN_BACKEND=y # CONFIG_XENFS is not set CONFIG_XEN_SYS_HYPERVISOR=y CONFIG_XEN_XENBUS_FRONTEND=y # CONFIG_XEN_GNTDEV is not set # CONFIG_XEN_GRANT_DEV_ALLOC is not set CONFIG_SWIOTLB_XEN=y CONFIG_XEN_TMEM=m # CONFIG_XEN_PCIDEV_BACKEND is not set CONFIG_XEN_PRIVCMD=m # CONFIG_XEN_ACPI_PROCESSOR is not set # CONFIG_XEN_MCE_LOG is not set CONFIG_XEN_HAVE_PVMMU=y CONFIG_STAGING=y # CONFIG_ET131X is not set # CONFIG_SLICOSS is not set # CONFIG_USBIP_CORE is not set # CONFIG_PRISM2_USB is not set # CONFIG_COMEDI is not set # CONFIG_PANEL is not set # CONFIG_R8187SE is not set # CONFIG_RTL8192U is not set # CONFIG_RTLLIB is not set # CONFIG_R8712U is not set # CONFIG_R8188EU is not set # CONFIG_R8723AU is not set # CONFIG_RTS5139 is not set # CONFIG_RTS5208 is not set # CONFIG_TRANZPORT is not set # CONFIG_IDE_PHISON is not set # CONFIG_LINE6_USB is not set # CONFIG_USB_SERIAL_QUATECH2 is not set # CONFIG_VT6655 is not set # CONFIG_VT6656 is not set # CONFIG_DX_SEP is not set # CONFIG_WLAGS49_H2 is not set # CONFIG_WLAGS49_H25 is not set # CONFIG_CRYSTALHD is not set # CONFIG_FB_XGI is not set # CONFIG_ACPI_QUICKSTART is not set # CONFIG_USB_ENESTORAGE is not set # CONFIG_BCM_WIMAX is not set # CONFIG_FT1000 is not set # # Speakup console speech # # CONFIG_SPEAKUP is not set # CONFIG_TOUCHSCREEN_CLEARPAD_TM1217 is not set # CONFIG_TOUCHSCREEN_SYNAPTICS_I2C_RMI4 is not set CONFIG_STAGING_MEDIA=y # # Android # # CONFIG_ANDROID is not set # CONFIG_USB_WPAN_HCD is not set # CONFIG_WIMAX_GDM72XX is not set # CONFIG_LTE_GDM724X is not set # CONFIG_NET_VENDOR_SILICOM is not set # CONFIG_CED1401 is not set # CONFIG_DGRP is not set # CONFIG_LUSTRE_FS is not set # CONFIG_XILLYBUS is not set # CONFIG_DGNC is not set # CONFIG_DGAP is not set # CONFIG_GS_FPGABOOT is not set CONFIG_X86_PLATFORM_DEVICES=y # CONFIG_ACERHDF is not set # CONFIG_ASUS_LAPTOP is not set # CONFIG_FUJITSU_LAPTOP is not set # CONFIG_FUJITSU_TABLET is not set # CONFIG_AMILO_RFKILL is not set # CONFIG_HP_ACCEL is not set # CONFIG_HP_WIRELESS is not set # CONFIG_MSI_LAPTOP is not set # CONFIG_PANASONIC_LAPTOP is not set # CONFIG_COMPAL_LAPTOP is not set # CONFIG_SONY_LAPTOP is not set # CONFIG_IDEAPAD_LAPTOP is not set # CONFIG_THINKPAD_ACPI is not set # CONFIG_SENSORS_HDAPS is not set # CONFIG_INTEL_MENLOW is not set # CONFIG_EEEPC_LAPTOP is not set # CONFIG_ACPI_WMI is not set # CONFIG_TOPSTAR_LAPTOP is not set # CONFIG_TOSHIBA_BT_RFKILL is not set # CONFIG_ACPI_CMPC is not set # CONFIG_INTEL_IPS is not set # CONFIG_IBM_RTL is not set # CONFIG_XO15_EBOOK is not set # CONFIG_SAMSUNG_LAPTOP is not set # CONFIG_INTEL_OAKTRAIL is not set # CONFIG_SAMSUNG_Q10 is not set # CONFIG_APPLE_GMUX is not set # CONFIG_INTEL_RST is not set CONFIG_INTEL_SMARTCONNECT=y # CONFIG_PVPANIC is not set CONFIG_CHROME_PLATFORMS=y # CONFIG_CHROMEOS_LAPTOP is not set # CONFIG_CHROMEOS_PSTORE is not set CONFIG_CLKDEV_LOOKUP=y CONFIG_HAVE_CLK_PREPARE=y CONFIG_COMMON_CLK=y # # Common Clock Framework # # CONFIG_COMMON_CLK_SI5351 is not set # # Hardware Spinlock drivers # CONFIG_CLKEVT_I8253=y CONFIG_I8253_LOCK=y CONFIG_CLKBLD_I8253=y # CONFIG_SH_TIMER_CMT is not set # CONFIG_SH_TIMER_MTU2 is not set # CONFIG_SH_TIMER_TMU is not set # CONFIG_EM_TIMER_STI is not set # CONFIG_MAILBOX is not set CONFIG_IOMMU_API=y CONFIG_IOMMU_SUPPORT=y CONFIG_AMD_IOMMU=y CONFIG_AMD_IOMMU_STATS=y # CONFIG_AMD_IOMMU_V2 is not set CONFIG_DMAR_TABLE=y CONFIG_INTEL_IOMMU=y # CONFIG_INTEL_IOMMU_DEFAULT_ON is not set CONFIG_INTEL_IOMMU_FLOPPY_WA=y CONFIG_IRQ_REMAP=y # # Remoteproc drivers # # CONFIG_STE_MODEM_RPROC is not set # # Rpmsg drivers # # CONFIG_PM_DEVFREQ is not set # CONFIG_EXTCON is not set # CONFIG_MEMORY is not set # CONFIG_IIO is not set # CONFIG_NTB is not set # CONFIG_VME_BUS is not set # CONFIG_PWM is not set # CONFIG_IPACK_BUS is not set CONFIG_RESET_CONTROLLER=y # CONFIG_FMC is not set # # PHY Subsystem # # CONFIG_GENERIC_PHY is not set # CONFIG_OMAP_CONTROL_PHY is not set # CONFIG_PHY_SAMSUNG_USB2 is not set # CONFIG_POWERCAP is not set # CONFIG_MCB is not set # # Firmware Drivers # # CONFIG_EDD is not set CONFIG_FIRMWARE_MEMMAP=y # CONFIG_DELL_RBU is not set # CONFIG_DCDBAS is not set CONFIG_DMIID=y CONFIG_DMI_SYSFS=y CONFIG_DMI_SCAN_MACHINE_NON_EFI_FALLBACK=y CONFIG_ISCSI_IBFT_FIND=y # CONFIG_ISCSI_IBFT is not set # CONFIG_GOOGLE_FIRMWARE is not set # # EFI (Extensible Firmware Interface) Support # CONFIG_EFI_VARS=y CONFIG_EFI_VARS_PSTORE=y CONFIG_EFI_VARS_PSTORE_DEFAULT_DISABLE=y CONFIG_EFI_RUNTIME_MAP=y CONFIG_UEFI_CPER=y # # File systems # CONFIG_DCACHE_WORD_ACCESS=y # CONFIG_EXT2_FS is not set # CONFIG_EXT3_FS is not set CONFIG_EXT4_FS=y CONFIG_EXT4_USE_FOR_EXT23=y CONFIG_EXT4_FS_POSIX_ACL=y CONFIG_EXT4_FS_SECURITY=y CONFIG_EXT4_DEBUG=y CONFIG_JBD2=y CONFIG_JBD2_DEBUG=y CONFIG_FS_MBCACHE=y # CONFIG_REISERFS_FS is not set # CONFIG_JFS_FS is not set CONFIG_XFS_FS=m CONFIG_XFS_QUOTA=y CONFIG_XFS_POSIX_ACL=y # CONFIG_XFS_RT is not set CONFIG_XFS_WARN=y # CONFIG_XFS_DEBUG is not set # CONFIG_GFS2_FS is not set # CONFIG_OCFS2_FS is not set # CONFIG_BTRFS_FS is not set # CONFIG_NILFS2_FS is not set CONFIG_FS_POSIX_ACL=y CONFIG_EXPORTFS=y CONFIG_FILE_LOCKING=y CONFIG_FSNOTIFY=y CONFIG_DNOTIFY=y CONFIG_INOTIFY_USER=y CONFIG_FANOTIFY=y CONFIG_FANOTIFY_ACCESS_PERMISSIONS=y CONFIG_QUOTA=y CONFIG_QUOTA_NETLINK_INTERFACE=y # CONFIG_PRINT_QUOTA_WARNING is not set CONFIG_QUOTA_DEBUG=y CONFIG_QUOTA_TREE=y # CONFIG_QFMT_V1 is not set CONFIG_QFMT_V2=y CONFIG_QUOTACTL=y CONFIG_QUOTACTL_COMPAT=y CONFIG_AUTOFS4_FS=y CONFIG_FUSE_FS=m # CONFIG_CUSE is not set # # Caches # # CONFIG_FSCACHE is not set # # CD-ROM/DVD Filesystems # # CONFIG_ISO9660_FS is not set # CONFIG_UDF_FS is not set # # DOS/FAT/NT Filesystems # # CONFIG_MSDOS_FS is not set # CONFIG_VFAT_FS is not set # CONFIG_NTFS_FS is not set # # Pseudo filesystems # CONFIG_PROC_FS=y CONFIG_PROC_KCORE=y CONFIG_PROC_VMCORE=y CONFIG_PROC_SYSCTL=y CONFIG_PROC_PAGE_MONITOR=y CONFIG_KERNFS=y CONFIG_SYSFS=y CONFIG_TMPFS=y CONFIG_TMPFS_POSIX_ACL=y CONFIG_TMPFS_XATTR=y CONFIG_HUGETLBFS=y CONFIG_HUGETLB_PAGE=y CONFIG_CONFIGFS_FS=y CONFIG_MISC_FILESYSTEMS=y # CONFIG_ADFS_FS is not set # CONFIG_AFFS_FS is not set # CONFIG_ECRYPT_FS is not set # CONFIG_HFS_FS is not set # CONFIG_HFSPLUS_FS is not set # CONFIG_BEFS_FS is not set # CONFIG_BFS_FS is not set # CONFIG_EFS_FS is not set # CONFIG_LOGFS is not set # CONFIG_CRAMFS is not set # CONFIG_SQUASHFS is not set # CONFIG_VXFS_FS is not set # CONFIG_MINIX_FS is not set # CONFIG_OMFS_FS is not set # CONFIG_HPFS_FS is not set # CONFIG_QNX4FS_FS is not set # CONFIG_QNX6FS_FS is not set # CONFIG_ROMFS_FS is not set CONFIG_PSTORE=y # CONFIG_PSTORE_CONSOLE is not set # CONFIG_PSTORE_FTRACE is not set # CONFIG_PSTORE_RAM is not set # CONFIG_SYSV_FS is not set # CONFIG_UFS_FS is not set # CONFIG_F2FS_FS is not set CONFIG_EFIVAR_FS=y CONFIG_NETWORK_FILESYSTEMS=y # CONFIG_NFS_FS is not set CONFIG_NFSD=m CONFIG_NFSD_V2_ACL=y CONFIG_NFSD_V3=y CONFIG_NFSD_V3_ACL=y CONFIG_NFSD_V4=y CONFIG_NFSD_V4_SECURITY_LABEL=y # CONFIG_NFSD_FAULT_INJECTION is not set CONFIG_LOCKD=m CONFIG_LOCKD_V4=y CONFIG_NFS_ACL_SUPPORT=m CONFIG_NFS_COMMON=y CONFIG_SUNRPC=m CONFIG_SUNRPC_GSS=m CONFIG_SUNRPC_DEBUG=y # CONFIG_CEPH_FS is not set # CONFIG_CIFS is not set # CONFIG_NCP_FS is not set # CONFIG_CODA_FS is not set # CONFIG_AFS_FS is not set CONFIG_NLS=y CONFIG_NLS_DEFAULT="utf8" CONFIG_NLS_CODEPAGE_437=y # CONFIG_NLS_CODEPAGE_737 is not set # CONFIG_NLS_CODEPAGE_775 is not set # CONFIG_NLS_CODEPAGE_850 is not set # CONFIG_NLS_CODEPAGE_852 is not set # CONFIG_NLS_CODEPAGE_855 is not set # CONFIG_NLS_CODEPAGE_857 is not set # CONFIG_NLS_CODEPAGE_860 is not set # CONFIG_NLS_CODEPAGE_861 is not set # CONFIG_NLS_CODEPAGE_862 is not set # CONFIG_NLS_CODEPAGE_863 is not set # CONFIG_NLS_CODEPAGE_864 is not set # CONFIG_NLS_CODEPAGE_865 is not set # CONFIG_NLS_CODEPAGE_866 is not set # CONFIG_NLS_CODEPAGE_869 is not set # CONFIG_NLS_CODEPAGE_936 is not set # CONFIG_NLS_CODEPAGE_950 is not set # CONFIG_NLS_CODEPAGE_932 is not set # CONFIG_NLS_CODEPAGE_949 is not set # CONFIG_NLS_CODEPAGE_874 is not set # CONFIG_NLS_ISO8859_8 is not set # CONFIG_NLS_CODEPAGE_1250 is not set # CONFIG_NLS_CODEPAGE_1251 is not set CONFIG_NLS_ASCII=y # CONFIG_NLS_ISO8859_1 is not set # CONFIG_NLS_ISO8859_2 is not set # CONFIG_NLS_ISO8859_3 is not set # CONFIG_NLS_ISO8859_4 is not set # CONFIG_NLS_ISO8859_5 is not set # CONFIG_NLS_ISO8859_6 is not set # CONFIG_NLS_ISO8859_7 is not set # CONFIG_NLS_ISO8859_9 is not set # CONFIG_NLS_ISO8859_13 is not set # CONFIG_NLS_ISO8859_14 is not set # CONFIG_NLS_ISO8859_15 is not set # CONFIG_NLS_KOI8_R is not set # CONFIG_NLS_KOI8_U is not set # CONFIG_NLS_MAC_ROMAN is not set # CONFIG_NLS_MAC_CELTIC is not set # CONFIG_NLS_MAC_CENTEURO is not set # CONFIG_NLS_MAC_CROATIAN is not set # CONFIG_NLS_MAC_CYRILLIC is not set # CONFIG_NLS_MAC_GAELIC is not set # CONFIG_NLS_MAC_GREEK is not set # CONFIG_NLS_MAC_ICELAND is not set # CONFIG_NLS_MAC_INUIT is not set # CONFIG_NLS_MAC_ROMANIAN is not set # CONFIG_NLS_MAC_TURKISH is not set # CONFIG_NLS_UTF8 is not set # CONFIG_DLM is not set # # Kernel hacking # CONFIG_TRACE_IRQFLAGS_SUPPORT=y # # printk and dmesg options # CONFIG_PRINTK_TIME=y CONFIG_DEFAULT_MESSAGE_LOGLEVEL=4 # CONFIG_BOOT_PRINTK_DELAY is not set CONFIG_DYNAMIC_DEBUG=y # # Compile-time checks and compiler options # # CONFIG_DEBUG_INFO is not set # CONFIG_ENABLE_WARN_DEPRECATED is not set CONFIG_ENABLE_MUST_CHECK=y CONFIG_FRAME_WARN=2048 CONFIG_STRIP_ASM_SYMS=y # CONFIG_READABLE_ASM is not set CONFIG_UNUSED_SYMBOLS=y CONFIG_DEBUG_FS=y CONFIG_HEADERS_CHECK=y # CONFIG_DEBUG_SECTION_MISMATCH is not set CONFIG_ARCH_WANT_FRAME_POINTERS=y CONFIG_FRAME_POINTER=y # CONFIG_DEBUG_FORCE_WEAK_PER_CPU is not set CONFIG_MAGIC_SYSRQ=y CONFIG_MAGIC_SYSRQ_DEFAULT_ENABLE=0x0 CONFIG_DEBUG_KERNEL=y # # Memory Debugging # # CONFIG_DEBUG_PAGEALLOC is not set # CONFIG_DEBUG_OBJECTS is not set CONFIG_SLUB_DEBUG_ON=y # CONFIG_SLUB_STATS is not set CONFIG_HAVE_DEBUG_KMEMLEAK=y # CONFIG_DEBUG_KMEMLEAK is not set # CONFIG_DEBUG_STACK_USAGE is not set # CONFIG_DEBUG_VM is not set # CONFIG_DEBUG_VIRTUAL is not set CONFIG_DEBUG_MEMORY_INIT=y # CONFIG_DEBUG_PER_CPU_MAPS is not set CONFIG_HAVE_DEBUG_STACKOVERFLOW=y # CONFIG_DEBUG_STACKOVERFLOW is not set CONFIG_HAVE_ARCH_KMEMCHECK=y # CONFIG_DEBUG_SHIRQ is not set # # Debug Lockups and Hangs # # CONFIG_LOCKUP_DETECTOR is not set # CONFIG_DETECT_HUNG_TASK is not set # CONFIG_PANIC_ON_OOPS is not set CONFIG_PANIC_ON_OOPS_VALUE=0 CONFIG_PANIC_TIMEOUT=0 CONFIG_SCHED_DEBUG=y # CONFIG_SCHEDSTATS is not set # CONFIG_TIMER_STATS is not set # # Lock Debugging (spinlocks, mutexes, etc...) # CONFIG_DEBUG_RT_MUTEXES=y CONFIG_DEBUG_PI_LIST=y # CONFIG_RT_MUTEX_TESTER is not set CONFIG_DEBUG_SPINLOCK=y CONFIG_DEBUG_MUTEXES=y CONFIG_DEBUG_WW_MUTEX_SLOWPATH=y CONFIG_DEBUG_LOCK_ALLOC=y CONFIG_PROVE_LOCKING=y CONFIG_LOCKDEP=y CONFIG_LOCK_STAT=y # CONFIG_DEBUG_LOCKDEP is not set CONFIG_DEBUG_ATOMIC_SLEEP=y # CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set # CONFIG_LOCK_TORTURE_TEST is not set CONFIG_TRACE_IRQFLAGS=y CONFIG_STACKTRACE=y # CONFIG_DEBUG_KOBJECT is not set CONFIG_DEBUG_BUGVERBOSE=y CONFIG_DEBUG_LIST=y CONFIG_DEBUG_SG=y CONFIG_DEBUG_NOTIFIERS=y CONFIG_DEBUG_CREDENTIALS=y # # RCU Debugging # # CONFIG_PROVE_RCU is not set CONFIG_SPARSE_RCU_POINTER=y # CONFIG_TORTURE_TEST is not set # CONFIG_RCU_TORTURE_TEST is not set CONFIG_RCU_CPU_STALL_TIMEOUT=60 # CONFIG_RCU_CPU_STALL_INFO is not set # CONFIG_RCU_TRACE is not set # CONFIG_DEBUG_BLOCK_EXT_DEVT is not set # CONFIG_NOTIFIER_ERROR_INJECTION is not set # CONFIG_FAULT_INJECTION is not set # CONFIG_LATENCYTOP is not set CONFIG_ARCH_HAS_DEBUG_STRICT_USER_COPY_CHECKS=y # CONFIG_DEBUG_STRICT_USER_COPY_CHECKS is not set CONFIG_USER_STACKTRACE_SUPPORT=y CONFIG_NOP_TRACER=y CONFIG_HAVE_FUNCTION_TRACER=y CONFIG_HAVE_FUNCTION_GRAPH_TRACER=y CONFIG_HAVE_FUNCTION_GRAPH_FP_TEST=y CONFIG_HAVE_FUNCTION_TRACE_MCOUNT_TEST=y CONFIG_HAVE_DYNAMIC_FTRACE=y CONFIG_HAVE_DYNAMIC_FTRACE_WITH_REGS=y CONFIG_HAVE_FTRACE_MCOUNT_RECORD=y CONFIG_HAVE_SYSCALL_TRACEPOINTS=y CONFIG_HAVE_FENTRY=y CONFIG_HAVE_C_RECORDMCOUNT=y CONFIG_TRACER_MAX_TRACE=y CONFIG_TRACE_CLOCK=y CONFIG_RING_BUFFER=y CONFIG_EVENT_TRACING=y CONFIG_CONTEXT_SWITCH_TRACER=y CONFIG_TRACING=y CONFIG_GENERIC_TRACER=y CONFIG_TRACING_SUPPORT=y CONFIG_FTRACE=y CONFIG_FUNCTION_TRACER=y CONFIG_FUNCTION_GRAPH_TRACER=y # CONFIG_IRQSOFF_TRACER is not set CONFIG_SCHED_TRACER=y CONFIG_FTRACE_SYSCALLS=y CONFIG_TRACER_SNAPSHOT=y # CONFIG_TRACER_SNAPSHOT_PER_CPU_SWAP is not set CONFIG_BRANCH_PROFILE_NONE=y # CONFIG_PROFILE_ANNOTATED_BRANCHES is not set # CONFIG_PROFILE_ALL_BRANCHES is not set CONFIG_STACK_TRACER=y CONFIG_BLK_DEV_IO_TRACE=y CONFIG_KPROBE_EVENT=y CONFIG_UPROBE_EVENT=y CONFIG_PROBE_EVENTS=y CONFIG_DYNAMIC_FTRACE=y CONFIG_DYNAMIC_FTRACE_WITH_REGS=y CONFIG_FUNCTION_PROFILER=y CONFIG_FTRACE_MCOUNT_RECORD=y # CONFIG_FTRACE_STARTUP_TEST is not set CONFIG_MMIOTRACE=y # CONFIG_MMIOTRACE_TEST is not set # CONFIG_RING_BUFFER_BENCHMARK is not set # CONFIG_RING_BUFFER_STARTUP_TEST is not set # # Runtime Testing # # CONFIG_LKDTM is not set # CONFIG_TEST_LIST_SORT is not set # CONFIG_KPROBES_SANITY_TEST is not set # CONFIG_BACKTRACE_SELF_TEST is not set # CONFIG_RBTREE_TEST is not set # CONFIG_INTERVAL_TREE_TEST is not set # CONFIG_PERCPU_TEST is not set CONFIG_ATOMIC64_SELFTEST=y # CONFIG_TEST_STRING_HELPERS is not set CONFIG_TEST_KSTRTOX=y CONFIG_PROVIDE_OHCI1394_DMA_INIT=y CONFIG_BUILD_DOCSRC=y CONFIG_DMA_API_DEBUG=y # CONFIG_TEST_MODULE is not set # CONFIG_TEST_USER_COPY is not set # CONFIG_SAMPLES is not set CONFIG_HAVE_ARCH_KGDB=y # CONFIG_KGDB is not set CONFIG_STRICT_DEVMEM=y # CONFIG_X86_VERBOSE_BOOTUP is not set CONFIG_EARLY_PRINTK=y CONFIG_EARLY_PRINTK_DBGP=y CONFIG_EARLY_PRINTK_EFI=y # CONFIG_X86_PTDUMP is not set CONFIG_DEBUG_RODATA=y CONFIG_DEBUG_RODATA_TEST=y CONFIG_DEBUG_SET_MODULE_RONX=y # CONFIG_DEBUG_NX_TEST is not set CONFIG_DOUBLEFAULT=y # CONFIG_DEBUG_TLBFLUSH is not set # CONFIG_IOMMU_STRESS is not set CONFIG_HAVE_MMIOTRACE_SUPPORT=y # CONFIG_X86_DECODER_SELFTEST is not set CONFIG_IO_DELAY_TYPE_0X80=0 CONFIG_IO_DELAY_TYPE_0XED=1 CONFIG_IO_DELAY_TYPE_UDELAY=2 CONFIG_IO_DELAY_TYPE_NONE=3 CONFIG_IO_DELAY_0X80=y # CONFIG_IO_DELAY_0XED is not set # CONFIG_IO_DELAY_UDELAY is not set # CONFIG_IO_DELAY_NONE is not set CONFIG_DEFAULT_IO_DELAY_TYPE=0 # CONFIG_DEBUG_BOOT_PARAMS is not set # CONFIG_CPA_DEBUG is not set CONFIG_OPTIMIZE_INLINING=y # CONFIG_DEBUG_NMI_SELFTEST is not set # CONFIG_X86_DEBUG_STATIC_CPU_HAS is not set # # Security options # CONFIG_KEYS=y CONFIG_PERSISTENT_KEYRINGS=y CONFIG_BIG_KEYS=y # CONFIG_ENCRYPTED_KEYS is not set CONFIG_KEYS_DEBUG_PROC_KEYS=y # CONFIG_SECURITY_DMESG_RESTRICT is not set CONFIG_SECURITY=y CONFIG_SECURITYFS=y CONFIG_SECURITY_NETWORK=y CONFIG_SECURITY_NETWORK_XFRM=y # CONFIG_SECURITY_PATH is not set CONFIG_INTEL_TXT=y CONFIG_LSM_MMAP_MIN_ADDR=65536 CONFIG_SECURITY_SELINUX=y CONFIG_SECURITY_SELINUX_BOOTPARAM=y CONFIG_SECURITY_SELINUX_BOOTPARAM_VALUE=1 CONFIG_SECURITY_SELINUX_DISABLE=y CONFIG_SECURITY_SELINUX_DEVELOP=y CONFIG_SECURITY_SELINUX_AVC_STATS=y CONFIG_SECURITY_SELINUX_CHECKREQPROT_VALUE=1 # CONFIG_SECURITY_SELINUX_POLICYDB_VERSION_MAX is not set # CONFIG_SECURITY_SMACK is not set # CONFIG_SECURITY_TOMOYO is not set # CONFIG_SECURITY_APPARMOR is not set # CONFIG_SECURITY_YAMA is not set # CONFIG_IMA is not set # CONFIG_EVM is not set CONFIG_DEFAULT_SECURITY_SELINUX=y # CONFIG_DEFAULT_SECURITY_DAC is not set CONFIG_DEFAULT_SECURITY="selinux" CONFIG_CRYPTO=y # # Crypto core or helper # CONFIG_CRYPTO_ALGAPI=y CONFIG_CRYPTO_ALGAPI2=y CONFIG_CRYPTO_AEAD=y CONFIG_CRYPTO_AEAD2=y CONFIG_CRYPTO_BLKCIPHER=y CONFIG_CRYPTO_BLKCIPHER2=y CONFIG_CRYPTO_HASH=y CONFIG_CRYPTO_HASH2=y CONFIG_CRYPTO_RNG=y CONFIG_CRYPTO_RNG2=y CONFIG_CRYPTO_PCOMP2=y CONFIG_CRYPTO_MANAGER=y CONFIG_CRYPTO_MANAGER2=y # CONFIG_CRYPTO_USER is not set # CONFIG_CRYPTO_MANAGER_DISABLE_TESTS is not set CONFIG_CRYPTO_GF128MUL=y # CONFIG_CRYPTO_NULL is not set # CONFIG_CRYPTO_PCRYPT is not set CONFIG_CRYPTO_WORKQUEUE=y CONFIG_CRYPTO_CRYPTD=y # CONFIG_CRYPTO_AUTHENC is not set # CONFIG_CRYPTO_TEST is not set CONFIG_CRYPTO_ABLK_HELPER=y CONFIG_CRYPTO_GLUE_HELPER_X86=y # # Authenticated Encryption with Associated Data # # CONFIG_CRYPTO_CCM is not set # CONFIG_CRYPTO_GCM is not set CONFIG_CRYPTO_SEQIV=y # # Block modes # CONFIG_CRYPTO_CBC=y CONFIG_CRYPTO_CTR=y # CONFIG_CRYPTO_CTS is not set CONFIG_CRYPTO_ECB=y CONFIG_CRYPTO_LRW=y # CONFIG_CRYPTO_PCBC is not set CONFIG_CRYPTO_XTS=y # # Hash modes # # CONFIG_CRYPTO_CMAC is not set CONFIG_CRYPTO_HMAC=y # CONFIG_CRYPTO_XCBC is not set # CONFIG_CRYPTO_VMAC is not set # # Digest # CONFIG_CRYPTO_CRC32C=y # CONFIG_CRYPTO_CRC32C_INTEL is not set # CONFIG_CRYPTO_CRC32 is not set # CONFIG_CRYPTO_CRC32_PCLMUL is not set CONFIG_CRYPTO_CRCT10DIF=y # CONFIG_CRYPTO_CRCT10DIF_PCLMUL is not set # CONFIG_CRYPTO_GHASH is not set # CONFIG_CRYPTO_MD4 is not set CONFIG_CRYPTO_MD5=y # CONFIG_CRYPTO_MICHAEL_MIC is not set # CONFIG_CRYPTO_RMD128 is not set # CONFIG_CRYPTO_RMD160 is not set # CONFIG_CRYPTO_RMD256 is not set # CONFIG_CRYPTO_RMD320 is not set CONFIG_CRYPTO_SHA1=y # CONFIG_CRYPTO_SHA1_SSSE3 is not set # CONFIG_CRYPTO_SHA256_SSSE3 is not set # CONFIG_CRYPTO_SHA512_SSSE3 is not set CONFIG_CRYPTO_SHA256=y # CONFIG_CRYPTO_SHA512 is not set # CONFIG_CRYPTO_TGR192 is not set # CONFIG_CRYPTO_WP512 is not set # CONFIG_CRYPTO_GHASH_CLMUL_NI_INTEL is not set # # Ciphers # CONFIG_CRYPTO_AES=y CONFIG_CRYPTO_AES_X86_64=y CONFIG_CRYPTO_AES_NI_INTEL=y # CONFIG_CRYPTO_ANUBIS is not set # CONFIG_CRYPTO_ARC4 is not set # CONFIG_CRYPTO_BLOWFISH is not set # CONFIG_CRYPTO_BLOWFISH_X86_64 is not set # CONFIG_CRYPTO_CAMELLIA is not set # CONFIG_CRYPTO_CAMELLIA_X86_64 is not set # CONFIG_CRYPTO_CAMELLIA_AESNI_AVX_X86_64 is not set # CONFIG_CRYPTO_CAMELLIA_AESNI_AVX2_X86_64 is not set # CONFIG_CRYPTO_CAST5 is not set # CONFIG_CRYPTO_CAST5_AVX_X86_64 is not set # CONFIG_CRYPTO_CAST6 is not set # CONFIG_CRYPTO_CAST6_AVX_X86_64 is not set # CONFIG_CRYPTO_DES is not set # CONFIG_CRYPTO_FCRYPT is not set # CONFIG_CRYPTO_KHAZAD is not set # CONFIG_CRYPTO_SALSA20 is not set # CONFIG_CRYPTO_SALSA20_X86_64 is not set # CONFIG_CRYPTO_SEED is not set # CONFIG_CRYPTO_SERPENT is not set # CONFIG_CRYPTO_SERPENT_SSE2_X86_64 is not set # CONFIG_CRYPTO_SERPENT_AVX_X86_64 is not set # CONFIG_CRYPTO_SERPENT_AVX2_X86_64 is not set # CONFIG_CRYPTO_TEA is not set # CONFIG_CRYPTO_TWOFISH is not set # CONFIG_CRYPTO_TWOFISH_X86_64 is not set # CONFIG_CRYPTO_TWOFISH_X86_64_3WAY is not set # CONFIG_CRYPTO_TWOFISH_AVX_X86_64 is not set # # Compression # # CONFIG_CRYPTO_DEFLATE is not set # CONFIG_CRYPTO_ZLIB is not set CONFIG_CRYPTO_LZO=y # CONFIG_CRYPTO_LZ4 is not set # CONFIG_CRYPTO_LZ4HC is not set # # Random Number Generation # # CONFIG_CRYPTO_ANSI_CPRNG is not set CONFIG_CRYPTO_USER_API=y CONFIG_CRYPTO_USER_API_HASH=y CONFIG_CRYPTO_USER_API_SKCIPHER=y CONFIG_CRYPTO_HASH_INFO=y CONFIG_CRYPTO_HW=y # CONFIG_CRYPTO_DEV_PADLOCK is not set # CONFIG_CRYPTO_DEV_CCP is not set CONFIG_ASYMMETRIC_KEY_TYPE=y CONFIG_ASYMMETRIC_PUBLIC_KEY_SUBTYPE=y CONFIG_PUBLIC_KEY_ALGO_RSA=y CONFIG_X509_CERTIFICATE_PARSER=y CONFIG_HAVE_KVM=y CONFIG_VIRTUALIZATION=y # CONFIG_KVM is not set CONFIG_BINARY_PRINTF=y # # Library routines # CONFIG_BITREVERSE=y CONFIG_GENERIC_STRNCPY_FROM_USER=y CONFIG_GENERIC_STRNLEN_USER=y CONFIG_GENERIC_NET_UTILS=y CONFIG_GENERIC_FIND_FIRST_BIT=y CONFIG_GENERIC_PCI_IOMAP=y CONFIG_GENERIC_IOMAP=y CONFIG_GENERIC_IO=y CONFIG_PERCPU_RWSEM=y CONFIG_ARCH_USE_CMPXCHG_LOCKREF=y # CONFIG_CRC_CCITT is not set CONFIG_CRC16=y CONFIG_CRC_T10DIF=y # CONFIG_CRC_ITU_T is not set CONFIG_CRC32=y # CONFIG_CRC32_SELFTEST is not set CONFIG_CRC32_SLICEBY8=y # CONFIG_CRC32_SLICEBY4 is not set # CONFIG_CRC32_SARWATE is not set # CONFIG_CRC32_BIT is not set # CONFIG_CRC7 is not set CONFIG_LIBCRC32C=m # CONFIG_CRC8 is not set # CONFIG_AUDIT_ARCH_COMPAT_GENERIC is not set # CONFIG_RANDOM32_SELFTEST is not set CONFIG_ZLIB_INFLATE=y CONFIG_ZLIB_DEFLATE=y CONFIG_LZO_COMPRESS=y CONFIG_LZO_DECOMPRESS=y CONFIG_LZ4_DECOMPRESS=y CONFIG_XZ_DEC=y CONFIG_XZ_DEC_X86=y # CONFIG_XZ_DEC_POWERPC is not set # CONFIG_XZ_DEC_IA64 is not set # CONFIG_XZ_DEC_ARM is not set # CONFIG_XZ_DEC_ARMTHUMB is not set # CONFIG_XZ_DEC_SPARC is not set CONFIG_XZ_DEC_BCJ=y # CONFIG_XZ_DEC_TEST is not set CONFIG_DECOMPRESS_GZIP=y CONFIG_DECOMPRESS_BZIP2=y CONFIG_DECOMPRESS_LZMA=y CONFIG_DECOMPRESS_XZ=y CONFIG_DECOMPRESS_LZO=y CONFIG_DECOMPRESS_LZ4=y CONFIG_GENERIC_ALLOCATOR=y CONFIG_ASSOCIATIVE_ARRAY=y CONFIG_HAS_IOMEM=y CONFIG_HAS_IOPORT_MAP=y CONFIG_HAS_DMA=y CONFIG_CPU_RMAP=y CONFIG_DQL=y CONFIG_NLATTR=y CONFIG_ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE=y CONFIG_AVERAGE=y CONFIG_CLZ_TAB=y # CONFIG_CORDIC is not set # CONFIG_DDR is not set CONFIG_MPILIB=y CONFIG_OID_REGISTRY=y CONFIG_UCS2_STRING=y CONFIG_FONT_SUPPORT=y # CONFIG_FONTS is not set CONFIG_FONT_8x8=y CONFIG_FONT_8x16=y --zx4FCpZtqtKETZ7O-- From bfoster@redhat.com Mon Apr 14 14:28:40 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id D3AEB7F37 for ; Mon, 14 Apr 2014 14:28:39 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 51885AC003 for ; Mon, 14 Apr 2014 12:28:35 -0700 (PDT) X-ASG-Debug-ID: 1397503714-04cb6c243806790001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id 0yI5r5w4Hn9GyOKN for ; Mon, 14 Apr 2014 12:28:35 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx02.intmail.prod.int.phx2.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3EJSQ6d010332 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Mon, 14 Apr 2014 15:28:26 -0400 Received: from bfoster.bfoster ([10.18.41.237]) by int-mx02.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id s3EJSPhY014424; Mon, 14 Apr 2014 15:28:25 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id C6AB112017D; Mon, 14 Apr 2014 15:28:24 -0400 (EDT) Date: Mon, 14 Apr 2014 15:28:24 -0400 From: Brian Foster To: Dave Chinner Cc: xfs@oss.sgi.com, bob.mastors@solidfire.com, snitzer@redhat.com Subject: Re: [PATCH] xfs: unmount does not wait for shutdown during unmount Message-ID: <20140414192824.GC62307@bfoster.bfoster> X-ASG-Orig-Subj: Re: [PATCH] xfs: unmount does not wait for shutdown during unmount References: <1397104955-7247-1-git-send-email-david@fromorbit.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <1397104955-7247-1-git-send-email-david@fromorbit.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-Scanned-By: MIMEDefang 2.67 on 10.5.11.12 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1397503715 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Thu, Apr 10, 2014 at 02:42:35PM +1000, Dave Chinner wrote: > From: Dave Chinner > > And interesting situation can occur if a log IO error occurs during > the unmount of a filesystem. The cases reported have the same > signature - the update of the superblock counters fails due to a log > write IO error: > > XFS (dm-16): xfs_do_force_shutdown(0x2) called from line 1170 of file fs/xfs/xfs_log.c. Return address = 0xffffffffa08a44a1 > XFS (dm-16): Log I/O Error Detected. Shutting down filesystem > XFS (dm-16): Unable to update superblock counters. Freespace may not be correct on next mount. > XFS (dm-16): xfs_log_force: error 5 returned. > XFS (¿-¿¿¿): Please umount the filesystem and rectify the problem(s) > > It can be seen that the last line of output contains a corrupt > device name - this is because the log and xfs_mount structures have > already been freed by the time this message is printed. A kernel > oops closely follows. > > The issue is that the shutdown is occurring in a separate IO > completion thread to the unmount. Once the shutdown processing has > started and all the iclogs are marked with XLOG_STATE_IOERROR, the > log shutdown code wakes anyone waiting on a log force so they can > process the shutdown error. This wakes up the unmount code that > is doing a synchronous transaction to update the superblock > counters. > > The unmount path now sees all the iclogs are marked with > XLOG_STATE_IOERROR and so never waits on them again, knowing that if > it does, there will not be a wakeup trigger for it and we will hang > the unmount if we do. Hence the unmount runs through all the > remaining code and frees all the filesystem structures while the > xlog_iodone() is still processing the shutdown. When the log > shutdown processing completes, xfs_do_force_shutdown() emits the > "Please umount the filesystem and rectify the problem(s)" message, > and xlog_iodone() then aborts all the objects attached to the iclog. > An iclog that has already been freed.... > > The real issue here is that there is no serialisation point between > the log IO and the unmount. We have serialisations points for log > writes, log forces, reservations, etc, but we don't actually have > any code that wakes for log IO to fully complete. We do that for all > other types of object, so why not iclogbufs? > > Well, it turns out that we can easily do this. We've got xfs_buf > handles, and that's what everyone else uses for IO serialisation. > i.e. bp->b_sema. So, lets hold iclogbufs locked over IO, and only > release the lock in xlog_iodone() when we are finished with the > buffer. That way before we tear down the iclog, we can lock and > unlock the buffer to ensure IO completion has finished completely > before we tear it down. > Thanks for the write up... > Signed-off-by: Dave Chinner > --- > fs/xfs/xfs_log.c | 53 ++++++++++++++++++++++++++++++++++++++++++++--------- > 1 file changed, 44 insertions(+), 9 deletions(-) > > diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c > index 8497a00..08624dc 100644 > --- a/fs/xfs/xfs_log.c > +++ b/fs/xfs/xfs_log.c > @@ -1181,11 +1181,14 @@ xlog_iodone(xfs_buf_t *bp) > /* log I/O is always issued ASYNC */ > ASSERT(XFS_BUF_ISASYNC(bp)); > xlog_state_done_syncing(iclog, aborted); > + > /* > - * do not reference the buffer (bp) here as we could race > - * with it being freed after writing the unmount record to the > - * log. > + * drop the buffer lock now that we are done. Nothing references > + * the buffer after this, so an unmount waiting on this lock can now > + * tear it down safely. As such, it is unsafe to reference the buffer > + * (bp) after the unlock as we could race with it being freed. > */ > + xfs_buf_unlock(bp); > } > > /* > @@ -1368,8 +1371,16 @@ xlog_alloc_log( > bp = xfs_buf_alloc(mp->m_logdev_targp, 0, BTOBB(log->l_iclog_size), 0); > if (!bp) > goto out_free_log; > - bp->b_iodone = xlog_iodone; > + > + /* > + * The iclogbuf buffer locks are held over IO but we are not going to do > + * IO yet. Hence unlock the buffer so that the log IO path can grab it > + * when appropriately. > + */ > ASSERT(xfs_buf_islocked(bp)); > + xfs_buf_unlock(bp); > + > + bp->b_iodone = xlog_iodone; > log->l_xbuf = bp; > > spin_lock_init(&log->l_icloglock); > @@ -1398,6 +1409,9 @@ xlog_alloc_log( > if (!bp) > goto out_free_iclog; > > + ASSERT(xfs_buf_islocked(bp)); > + xfs_buf_unlock(bp); > + > bp->b_iodone = xlog_iodone; > iclog->ic_bp = bp; > iclog->ic_data = bp->b_addr; > @@ -1422,7 +1436,6 @@ xlog_alloc_log( > iclog->ic_callback_tail = &(iclog->ic_callback); > iclog->ic_datap = (char *)iclog->ic_data + log->l_iclog_hsize; > > - ASSERT(xfs_buf_islocked(iclog->ic_bp)); > init_waitqueue_head(&iclog->ic_force_wait); > init_waitqueue_head(&iclog->ic_write_wait); > > @@ -1631,6 +1644,12 @@ xlog_cksum( > * we transition the iclogs to IOERROR state *after* flushing all existing > * iclogs to disk. This is because we don't want anymore new transactions to be > * started or completed afterwards. > + * > + * We lock the iclogbufs here so that we can serialise against IO completion > + * during unmount. We might be processing a shutdown triggered during unmount, > + * and that can occur asynchronously to the unmount thread, and hence we need to > + * ensure that completes before tearing down the iclogbufs. Hence we need to > + * hold the buffer lock across the log IO to acheive that. > */ > STATIC int > xlog_bdstrat( > @@ -1638,6 +1657,7 @@ xlog_bdstrat( > { > struct xlog_in_core *iclog = bp->b_fspriv; > > + xfs_buf_lock(bp); > if (iclog->ic_state & XLOG_STATE_IOERROR) { > xfs_buf_ioerror(bp, EIO); > xfs_buf_stale(bp); > @@ -1645,7 +1665,8 @@ xlog_bdstrat( > /* > * It would seem logical to return EIO here, but we rely on > * the log state machine to propagate I/O errors instead of > - * doing it here. > + * doing it here. Similarly, IO completion will unlock the > + * buffer, so we don't do it here. > */ > return 0; > } > @@ -1847,14 +1868,28 @@ xlog_dealloc_log( > xlog_cil_destroy(log); > > /* > - * always need to ensure that the extra buffer does not point to memory > - * owned by another log buffer before we free it. > + * Cycle all the iclogbuf locks to make sure all log IO completion > + * is done before we tear down these buffers. > */ > + iclog = log->l_iclog; > + for (i = 0; i < log->l_iclog_bufs; i++) { > + xfs_buf_lock(iclog->ic_bp); > + xfs_buf_unlock(iclog->ic_bp); > + iclog = iclog->ic_next; > + } > + > + /* > + * Always need to ensure that the extra buffer does not point to memory > + * owned by another log buffer before we free it. Also, cycle the lock > + * first to ensure we've completed IO on it. > + */ > + xfs_buf_lock(log->l_xbuf); > + xfs_buf_unlock(log->l_xbuf); > xfs_buf_set_empty(log->l_xbuf, BTOBB(log->l_iclog_size)); > xfs_buf_free(log->l_xbuf); > > iclog = log->l_iclog; > - for (i=0; il_iclog_bufs; i++) { > + for (i = 0; i < log->l_iclog_bufs; i++) { > xfs_buf_free(iclog->ic_bp); > next_iclog = iclog->ic_next; > kmem_free(iclog); On reading the code, my initial thought was that the source of this is the xlog_state_do_callback() call down in the shutdown path, when invoked from the log I/O completion handler. I think you pointed out in your previous reply that even if we were to make that call selective (e.g., based on whether the shutdown is due to a log error and thus we can expect xlog_state_do_callback() to be invoked), we still access relevant data structures after the ic_force_wait wait_queue is woken. Therefore, there would still be a race even if we bypassed the call from within the shutdown path in this particular case. The logic seems sane to me. I don't notice any issues. But my only question is why the use of locking, as opposed to wiring up use of b_iowait or something into the log I/O handler? I ask because it looks just a _bit_ funny to see the lock/unlock cycles used purely as a serialization mechanism. Do we use this kind of pattern in other places? I guess on the other hand you could argue it protects the I/O in progress, and yet another wait_queue in this codepath might be overkill (so I like the use of an existing mechanism from that standpoint). Brian > -- > 1.9.0 > > _______________________________________________ > xfs mailing list > xfs@oss.sgi.com > http://oss.sgi.com/mailman/listinfo/xfs From peterz@infradead.org Mon Apr 14 15:57:45 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id A16097F37 for ; Mon, 14 Apr 2014 15:57:45 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 29CFCAC003 for ; Mon, 14 Apr 2014 13:57:42 -0700 (PDT) X-ASG-Debug-ID: 1397509059-04cb6c24360bf20001-NocioJ Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) by cuda.sgi.com with ESMTP id gmdXVuogpRCOqKs9 (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Mon, 14 Apr 2014 13:57:39 -0700 (PDT) X-Barracuda-Envelope-From: peterz@infradead.org X-Barracuda-Apparent-Source-IP: 205.233.59.134 Received: from dhcp-077-248-225-117.chello.nl ([77.248.225.117] helo=laptop) by merlin.infradead.org with esmtpsa (Exim 4.80.1 #2 (Red Hat Linux)) id 1WZnwg-00012c-KR; Mon, 14 Apr 2014 20:57:38 +0000 Received: by laptop (Postfix, from userid 1000) id 6CFB910882768; Mon, 14 Apr 2014 22:57:37 +0200 (CEST) Date: Mon, 14 Apr 2014 22:57:37 +0200 From: Peter Zijlstra To: Brian Foster Cc: xfs@oss.sgi.com Subject: Re: xfs readdir hang on for-next (3.15.0-rc1) Message-ID: <20140414205737.GI26782@laptop.programming.kicks-ass.net> X-ASG-Orig-Subj: Re: xfs readdir hang on for-next (3.15.0-rc1) References: <20140414164313.GA62307@bfoster.bfoster> <20140414190834.GB62307@bfoster.bfoster> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140414190834.GB62307@bfoster.bfoster> User-Agent: Mutt/1.5.21 (2012-12-30) X-Barracuda-Connect: merlin.infradead.org[205.233.59.134] X-Barracuda-Start-Time: 1397509059 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4909 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Mon, Apr 14, 2014 at 03:08:36PM -0400, Brian Foster wrote: > On Mon, Apr 14, 2014 at 12:43:14PM -0400, Brian Foster wrote: > > Hi all, > > > > This is a heads up that I'm seeing a blatant readdir hang on the current > > for-next with selinux enabled. To reproduce, I format a clean fs, mount > > and attempt an ls. > > > > The problem does not occur with selinux disabled, if I back out the > > following commit: > > > > 40194ecc6d78 xfs: reinstate the ilock in xfs_readdir > > > > ... or if I remove the locking around xfs_attr_get(), so I suspect this > > is another instance of a recursive deadlock. I'm getting no output > > whatsoever in order to confirm this and it also leads to a complete > > system lockup. It's also interesting that this hasn't been observed > > until now, given the above commit was introduced in 3.14. So the above > > commit doesn't appear to be the most recent change that triggers this. > > > > I reproduced on the latest linus tree and do not reproduce on 3.14, so > > I'm trying to do a bisect to find out what else might have changed to > > trigger this. > > > > This bisected down to: > > commit 6f008e72cd111a119b5d8de8c5438d892aae99eb > Author: Peter Zijlstra > Date: Wed Mar 12 13:24:42 2014 +0100 > > locking/mutex: Fix debug checks > ... > > ... which suggests something down in the mutex debug code. Indeed, the > problem no longer occurs if I disable kernel debug in my .config. What > is also interesting is that it didn't return when I reenable > DEBUG_KERNEL and DEBUG_MUTEXES alone. It does return when I start to > enable some of the other lock debugging options. FWIW, I also cleared > out my tree and rebuilt from scratch just to be sure that I didn't have > anything stale/broken lying around. > > Peter, > > Any insight on this? http://lkml.kernel.org/r/tip-a227960fe0cafcc229a8d6bb8b454a3a0b33719d@git.kernel.org That will make the kernel continue after the lockdep splat. I too see it on some of my XFS using machines. From mlsemon35@gmail.com Mon Apr 14 16:47:42 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.3 required=5.0 tests=FREEMAIL_ENVFROM_END_DIGIT, FREEMAIL_FROM,T_DKIM_INVALID autolearn=no version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 82C5C7F37 for ; Mon, 14 Apr 2014 16:47:42 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 403A4AC006 for ; Mon, 14 Apr 2014 14:47:39 -0700 (PDT) X-ASG-Debug-ID: 1397512057-04cbb06e9d10360001-NocioJ Received: from mail-yh0-f53.google.com (mail-yh0-f53.google.com [209.85.213.53]) by cuda.sgi.com with ESMTP id eJExjrmxtDCZ2iFA (version=TLSv1 cipher=RC4-SHA bits=128 verify=NO) for ; Mon, 14 Apr 2014 14:47:37 -0700 (PDT) X-Barracuda-Envelope-From: mlsemon35@gmail.com X-Barracuda-Apparent-Source-IP: 209.85.213.53 X-Barracuda-IPDD: Level1 [gmail.com/209.85.213.53] Received: by mail-yh0-f53.google.com with SMTP id i57so7033036yha.40 for ; Mon, 14 Apr 2014 14:47:36 -0700 (PDT) X-Barracuda-IPDD: Level1 [gmail.com/209.85.213.53] X-Barracuda-IPDD: Level1 [gmail.com/209.85.213.53] DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=date:from:to:cc:subject:in-reply-to:message-id:references :user-agent:mime-version:content-type; bh=1V7yQgxUwOXck0+YRp38ub9eHBJrtkp0Z0jF9b5M1X8=; b=yXUhxR5VtuYuNgKE21N44JTSMrPCCe7H5mJ+ZyVRsKoA5xeOlT2+4noaHcP87pRDAb T1kb67IHpK6ebt9b5n2VDH+D2OAQHHao4NqJiGnGLmeyAaXvcV2dR/vdIr9sqXF/Kct+ MhgGXK2kIkOqB27vi2fXWXnHzPweci4h68A4dIf+j0aNUQFIkjxl4GKXB9+G0nga6LRJ x0OPtOhBYh5YVLSRaWZ+5y/HpO1KrFzQ/2XxyHN0DZaiP15DcpQdTmxsSxndL6qX5l3Z kWw4kBT//7O3NexnDL4JFACnSJCmD4EqBoGUwR8Id2sX/BuTSGgEIwrsRg7FlG55cn4O sJIA== X-Received: by 10.236.92.210 with SMTP id j58mr62349411yhf.5.1397512056884; Mon, 14 Apr 2014 14:47:36 -0700 (PDT) Received: from bpserver.ds (rrcs-97-79-21-178.se.biz.rr.com. [97.79.21.178]) by mx.google.com with ESMTPSA id s26sm28523540yhg.4.2014.04.14.14.47.36 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Mon, 14 Apr 2014 14:47:36 -0700 (PDT) Date: Mon, 14 Apr 2014 17:47:30 -0400 (EDT) From: "Michael L. Semon" To: xfs@oss.sgi.com cc: Brian Foster Subject: Re: xfs readdir hang on for-next (3.15.0-rc1) In-Reply-To: <20140414205737.GI26782@laptop.programming.kicks-ass.net> X-ASG-Orig-Subj: Re: xfs readdir hang on for-next (3.15.0-rc1) Message-ID: References: <20140414164313.GA62307@bfoster.bfoster> <20140414190834.GB62307@bfoster.bfoster> <20140414205737.GI26782@laptop.programming.kicks-ass.net> User-Agent: Alpine 2.11 (LNX 23 2013-08-11) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII X-Barracuda-Connect: mail-yh0-f53.google.com[209.85.213.53] X-Barracuda-Start-Time: 1397512057 X-Barracuda-Encrypted: RC4-SHA X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=DKIM_SIGNED, DKIM_VERIFIED X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4912 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- -0.00 DKIM_VERIFIED Domain Keys Identified Mail: signature passes verification 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature On Mon, 14 Apr 2014, Peter Zijlstra wrote: > On Mon, Apr 14, 2014 at 03:08:36PM -0400, Brian Foster wrote: > > On Mon, Apr 14, 2014 at 12:43:14PM -0400, Brian Foster wrote: > > > Hi all, > > > > > > This is a heads up that I'm seeing a blatant readdir hang on the current > > > for-next with selinux enabled. To reproduce, I format a clean fs, mount > > > and attempt an ls. > > > > > > The problem does not occur with selinux disabled, if I back out the > > > following commit: > > > > > > 40194ecc6d78 xfs: reinstate the ilock in xfs_readdir > > > > > > ... or if I remove the locking around xfs_attr_get(), so I suspect this > > > is another instance of a recursive deadlock. I'm getting no output > > > whatsoever in order to confirm this and it also leads to a complete > > > system lockup. It's also interesting that this hasn't been observed > > > until now, given the above commit was introduced in 3.14. So the above > > > commit doesn't appear to be the most recent change that triggers this. > > > > > > I reproduced on the latest linus tree and do not reproduce on 3.14, so > > > I'm trying to do a bisect to find out what else might have changed to > > > trigger this. > > > > > > > This bisected down to: > > > > commit 6f008e72cd111a119b5d8de8c5438d892aae99eb > > Author: Peter Zijlstra > > Date: Wed Mar 12 13:24:42 2014 +0100 > > > > locking/mutex: Fix debug checks > > ... > > > > ... which suggests something down in the mutex debug code. Indeed, the > > problem no longer occurs if I disable kernel debug in my .config. What > > is also interesting is that it didn't return when I reenable > > DEBUG_KERNEL and DEBUG_MUTEXES alone. It does return when I start to > > enable some of the other lock debugging options. FWIW, I also cleared > > out my tree and rebuilt from scratch just to be sure that I didn't have > > anything stale/broken lying around. > > > > Peter, > > > > Any insight on this? > > http://lkml.kernel.org/r/tip-a227960fe0cafcc229a8d6bb8b454a3a0b33719d@git.kernel.org > > That will make the kernel continue after the lockdep splat. I too see it > on some of my XFS using machines. It can happen on JFS, too, but my trusty "untar a system backup until a splat happens" test barely worked for the merge-window kernel. Therefore, I used xfstests generic/113 on XFS (kernel + xfs-oss/for-next) to cause this situation. The patch above has been through xfstests on both v4- and v5-superblock XFS, solving any new lockdep issues down here on x86. Sorry to not report it here, therefore costing you time in doing a bisect. The second lockdep splat I got after kernel 3.14 wasn't XFS, and so I treated it as a non-XFS issue. Good luck! Michael From bfoster@redhat.com Mon Apr 14 17:06:41 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 6BDC07F37 for ; Mon, 14 Apr 2014 17:06:41 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id 3CBE78F8039 for ; Mon, 14 Apr 2014 15:06:41 -0700 (PDT) X-ASG-Debug-ID: 1397513199-04bdf0455411200001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id jgwyWqsY0BDos9wp for ; Mon, 14 Apr 2014 15:06:40 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx12.intmail.prod.int.phx2.redhat.com (int-mx12.intmail.prod.int.phx2.redhat.com [10.5.11.25]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3EM6Hq3003535 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 14 Apr 2014 18:06:17 -0400 Received: from bfoster.bfoster ([10.18.41.237]) by int-mx12.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s3EM6Hq6013913; Mon, 14 Apr 2014 18:06:17 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id 9784512017D; Mon, 14 Apr 2014 18:06:16 -0400 (EDT) Date: Mon, 14 Apr 2014 18:06:16 -0400 From: Brian Foster To: Peter Zijlstra Cc: xfs@oss.sgi.com Subject: Re: xfs readdir hang on for-next (3.15.0-rc1) Message-ID: <20140414220616.GA57010@bfoster.bfoster> X-ASG-Orig-Subj: Re: xfs readdir hang on for-next (3.15.0-rc1) References: <20140414164313.GA62307@bfoster.bfoster> <20140414190834.GB62307@bfoster.bfoster> <20140414205737.GI26782@laptop.programming.kicks-ass.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140414205737.GI26782@laptop.programming.kicks-ass.net> User-Agent: Mutt/1.5.21 (2010-09-15) X-Scanned-By: MIMEDefang 2.68 on 10.5.11.25 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1397513200 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Mon, Apr 14, 2014 at 10:57:37PM +0200, Peter Zijlstra wrote: > On Mon, Apr 14, 2014 at 03:08:36PM -0400, Brian Foster wrote: > > On Mon, Apr 14, 2014 at 12:43:14PM -0400, Brian Foster wrote: > > > Hi all, > > > > > > This is a heads up that I'm seeing a blatant readdir hang on the current > > > for-next with selinux enabled. To reproduce, I format a clean fs, mount > > > and attempt an ls. > > > > > > The problem does not occur with selinux disabled, if I back out the > > > following commit: > > > > > > 40194ecc6d78 xfs: reinstate the ilock in xfs_readdir > > > > > > ... or if I remove the locking around xfs_attr_get(), so I suspect this > > > is another instance of a recursive deadlock. I'm getting no output > > > whatsoever in order to confirm this and it also leads to a complete > > > system lockup. It's also interesting that this hasn't been observed > > > until now, given the above commit was introduced in 3.14. So the above > > > commit doesn't appear to be the most recent change that triggers this. > > > > > > I reproduced on the latest linus tree and do not reproduce on 3.14, so > > > I'm trying to do a bisect to find out what else might have changed to > > > trigger this. > > > > > > > This bisected down to: > > > > commit 6f008e72cd111a119b5d8de8c5438d892aae99eb > > Author: Peter Zijlstra > > Date: Wed Mar 12 13:24:42 2014 +0100 > > > > locking/mutex: Fix debug checks > > ... > > > > ... which suggests something down in the mutex debug code. Indeed, the > > problem no longer occurs if I disable kernel debug in my .config. What > > is also interesting is that it didn't return when I reenable > > DEBUG_KERNEL and DEBUG_MUTEXES alone. It does return when I start to > > enable some of the other lock debugging options. FWIW, I also cleared > > out my tree and rebuilt from scratch just to be sure that I didn't have > > anything stale/broken lying around. > > > > Peter, > > > > Any insight on this? > > http://lkml.kernel.org/r/tip-a227960fe0cafcc229a8d6bb8b454a3a0b33719d@git.kernel.org > > That will make the kernel continue after the lockdep splat. I too see it > on some of my XFS using machines. > > That fixes the problem for me. Thanks! Brian From me@localhost.com Mon Apr 14 19:36:39 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: ** X-Spam-Status: No, score=2.2 required=5.0 tests=HTML_MESSAGE,MIME_HTML_ONLY autolearn=no version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 836FB7F37 for ; Mon, 14 Apr 2014 19:36:39 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id 729C7304032 for ; Mon, 14 Apr 2014 17:36:39 -0700 (PDT) X-ASG-Debug-ID: 1397522193-04cbb06e9a1a8f0001-NocioJ Received: from mail.puentesdellitoral.com.ar (mail.puentesdellitoral.com.ar [200.47.46.117]) by cuda.sgi.com with ESMTP id q0HMEGhDRwHzYExl (version=SSLv3 cipher=AES256-SHA bits=256 verify=NO) for ; Mon, 14 Apr 2014 17:36:35 -0700 (PDT) X-Barracuda-Envelope-From: me@localhost.com X-Barracuda-Apparent-Source-IP: 200.47.46.117 Received: from crv81903 ([127.0.0.1]) by mail.puentesdellitoral.com.ar (IceWarp 9.4.1) with SMTP id BEZ88326 for ; Mon, 14 Apr 2014 21:36:26 -0300 Date: Mon, 14 Apr 2014 21:36:26 -0300 Subject: Pour revenir a votre compte Apple, vous devrez confirmer votre compte To: xfs@oss.sgi.com X-ASG-Orig-Subj: Pour revenir a votre compte Apple, vous devrez confirmer votre compte From: Apple MIME-Version: 1.0 Content-Type: text/html Message-ID: <136690d14fd374981c275f24839d72e7@service.fr> X-Barracuda-Connect: mail.puentesdellitoral.com.ar[200.47.46.117] X-Barracuda-Start-Time: 1397522195 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-BRTS-Evidence: avvocatoabbate.it X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=HTML_MESSAGE, MIME_HTML_ONLY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4917 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 MIME_HTML_ONLY BODY: Message only has text/html MIME parts 0.00 HTML_MESSAGE BODY: HTML included in message
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From tytso@thunk.org Mon Apr 14 21:08:45 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 14DDE7F37 for ; Mon, 14 Apr 2014 21:08:45 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 9F10CAC002 for ; Mon, 14 Apr 2014 19:08:41 -0700 (PDT) X-ASG-Debug-ID: 1397527719-04cbb06e9c209b0001-NocioJ Received: from imap.thunk.org (imap.thunk.org [74.207.234.97]) by cuda.sgi.com with ESMTP id 3AJtAdNSkf0GOJWI (version=TLSv1 cipher=AES128-SHA bits=128 verify=NO) for ; Mon, 14 Apr 2014 19:08:39 -0700 (PDT) X-Barracuda-Envelope-From: tytso@thunk.org X-Barracuda-Apparent-Source-IP: 74.207.234.97 Received: from root (helo=closure.thunk.org) by imap.thunk.org with local-esmtp (Exim 4.80) (envelope-from ) id 1WZsnd-0005C5-73; Tue, 15 Apr 2014 02:08:37 +0000 Received: by closure.thunk.org (Postfix, from userid 15806) id 655BA580287; Mon, 14 Apr 2014 22:08:36 -0400 (EDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=thunk.org; s=ef5046eb; t=1397527716; bh=AcWYh+tXkVXDE6FaucaYIh2GuU0kKw1dpFR8IzusUlo=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=xdFRlU4kgX4TmgWDIlqp48QndmIQzvkX3VSA60yyju6vmh9wVYbuIbpF8NcKk8iZV tY+8PjdikO1sLO2RrIpL5A3X8ELQttuXpB2EHakkqgLXNh2BKMkYh8GcStUh5w3372 Oa0BrrogkG+saaGkSf9ZEx1OSEdHs4axybPR/TXI= Date: Mon, 14 Apr 2014 22:08:36 -0400 From: Theodore Ts'o To: Dave Chinner Cc: xfs@oss.sgi.com, Ext4 Developers List Subject: Re: [PATCH 3/3] generic/237: fix filtering for expected failure message Message-ID: <20140415020836.GB21827@thunk.org> X-ASG-Orig-Subj: Re: [PATCH 3/3] generic/237: fix filtering for expected failure message References: <1397343317-14669-1-git-send-email-tytso@mit.edu> <1397343317-14669-4-git-send-email-tytso@mit.edu> <20140414001408.GC27694@dastard> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140414001408.GC27694@dastard> User-Agent: Mutt/1.5.23 (2014-03-12) X-SA-Exim-Connect-IP: X-SA-Exim-Mail-From: tytso@thunk.org X-SA-Exim-Scanned: No (on imap.thunk.org); SAEximRunCond expanded to false X-Barracuda-Connect: imap.thunk.org[74.207.234.97] X-Barracuda-Start-Time: 1397527719 X-Barracuda-Encrypted: AES128-SHA X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.60 X-Barracuda-Spam-Status: No, SCORE=0.60 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=DKIM_SIGNED, DKIM_VERIFIED, MARKETING_SUBJECT X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4919 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.60 MARKETING_SUBJECT Subject contains popular marketing words -0.00 DKIM_VERIFIED Domain Keys Identified Mail: signature passes verification 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature After looking at this more closely, this patch isn't needed. It was a configuration screw up on my end. - Ted From david@fromorbit.com Mon Apr 14 21:16:09 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id E33BE7F37 for ; Mon, 14 Apr 2014 21:16:08 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 5BEF0AC002 for ; Mon, 14 Apr 2014 19:16:08 -0700 (PDT) X-ASG-Debug-ID: 1397528165-04cb6c24391f2b0001-NocioJ Received: from ipmail04.adl6.internode.on.net (ipmail04.adl6.internode.on.net [150.101.137.141]) by cuda.sgi.com with ESMTP id Unk5U2NBL1lvmAeE for ; Mon, 14 Apr 2014 19:16:06 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.141 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: ArZhAB+WTFN5LEcvPGdsb2JhbABRCIMGg1CFC7tlgR4XAwEBAQE4NYIlAQEBAwEnCwEjIwULCAECDgcDCSUPBSUDBxoTh3QHjHi/DhcWjgJWB4MkgRQBA5hglgcr Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail04.adl6.internode.on.net with ESMTP; 15 Apr 2014 11:45:50 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WZsuY-0002k8-Nz; Tue, 15 Apr 2014 12:15:46 +1000 Date: Tue, 15 Apr 2014 12:15:46 +1000 From: Dave Chinner To: Brian Foster Cc: xfs@oss.sgi.com, bob.mastors@solidfire.com, snitzer@redhat.com Subject: Re: [PATCH] xfs: unmount does not wait for shutdown during unmount Message-ID: <20140415021546.GD31578@dastard> X-ASG-Orig-Subj: Re: [PATCH] xfs: unmount does not wait for shutdown during unmount References: <1397104955-7247-1-git-send-email-david@fromorbit.com> <20140414192824.GC62307@bfoster.bfoster> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20140414192824.GC62307@bfoster.bfoster> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail04.adl6.internode.on.net[150.101.137.141] X-Barracuda-Start-Time: 1397528165 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4919 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Mon, Apr 14, 2014 at 03:28:24PM -0400, Brian Foster wrote: > On Thu, Apr 10, 2014 at 02:42:35PM +1000, Dave Chinner wrote: > > From: Dave Chinner > > > > And interesting situation can occur if a log IO error occurs during > > the unmount of a filesystem. The cases reported have the same > > signature - the update of the superblock counters fails due to a log > > write IO error: > > > > XFS (dm-16): xfs_do_force_shutdown(0x2) called from line 1170 of file fs/xfs/xfs_log.c. Return address = 0xffffffffa08a44a1 > > XFS (dm-16): Log I/O Error Detected. Shutting down filesystem > > XFS (dm-16): Unable to update superblock counters. Freespace may not be correct on next mount. > > XFS (dm-16): xfs_log_force: error 5 returned. > > XFS (¿-¿¿¿): Please umount the filesystem and rectify the problem(s) > > > > It can be seen that the last line of output contains a corrupt > > device name - this is because the log and xfs_mount structures have > > already been freed by the time this message is printed. A kernel > > oops closely follows. > > > > The issue is that the shutdown is occurring in a separate IO > > completion thread to the unmount. Once the shutdown processing has > > started and all the iclogs are marked with XLOG_STATE_IOERROR, the > > log shutdown code wakes anyone waiting on a log force so they can > > process the shutdown error. This wakes up the unmount code that > > is doing a synchronous transaction to update the superblock > > counters. > > > > The unmount path now sees all the iclogs are marked with > > XLOG_STATE_IOERROR and so never waits on them again, knowing that if > > it does, there will not be a wakeup trigger for it and we will hang > > the unmount if we do. Hence the unmount runs through all the > > remaining code and frees all the filesystem structures while the > > xlog_iodone() is still processing the shutdown. When the log > > shutdown processing completes, xfs_do_force_shutdown() emits the > > "Please umount the filesystem and rectify the problem(s)" message, > > and xlog_iodone() then aborts all the objects attached to the iclog. > > An iclog that has already been freed.... > > > > The real issue here is that there is no serialisation point between > > the log IO and the unmount. We have serialisations points for log > > writes, log forces, reservations, etc, but we don't actually have > > any code that wakes for log IO to fully complete. We do that for all > > other types of object, so why not iclogbufs? > > > > Well, it turns out that we can easily do this. We've got xfs_buf > > handles, and that's what everyone else uses for IO serialisation. > > i.e. bp->b_sema. So, lets hold iclogbufs locked over IO, and only > > release the lock in xlog_iodone() when we are finished with the > > buffer. That way before we tear down the iclog, we can lock and > > unlock the buffer to ensure IO completion has finished completely > > before we tear it down. > > > > Thanks for the write up... ..... > On reading the code, my initial thought was that the source of this is > the xlog_state_do_callback() call down in the shutdown path, when > invoked from the log I/O completion handler. I think you pointed out in > your previous reply that even if we were to make that call selective > (e.g., based on whether the shutdown is due to a log error and thus we > can expect xlog_state_do_callback() to be invoked), we still access > relevant data structures after the ic_force_wait wait_queue is woken. > Therefore, there would still be a race even if we bypassed the call from > within the shutdown path in this particular case. > > The logic seems sane to me. I don't notice any issues. But my only > question is why the use of locking, as opposed to wiring up use of > b_iowait or something into the log I/O handler? Log IO is issued B_ASYNC, so the buffer IO completion handlers do not issue wakeups to b_iowait waiters. And the iclogbufs are uncached buffers, so we can't use the buffer cache waiting mechanisms to wait for them, either. > I ask because it looks > just a _bit_ funny to see the lock/unlock cycles used purely as a > serialization mechanism. Do we use this kind of pattern in other places? Yes, in xfs_log_quiesce(), to wait on the superblock buffer IO because: /* * The superblock buffer is uncached and while xfs_ail_push_all_sync() * will push it, xfs_wait_buftarg() will not wait for it. Further, * xfs_buf_iowait() cannot be used because it was pushed with the * XBF_ASYNC flag set, so we need to use a lock/unlock pair to wait for * the IO to complete. */ Which is exactly the same situation as the iclogbufs - uncached buffers, B_ASYNC IO.... > I guess on the other hand you could argue it protects the I/O in > progress, and yet another wait_queue in this codepath might be overkill > (so I like the use of an existing mechanism from that standpoint). Mostly I figured that we already have the same IO wait mechanism in the log shutdown path for other buffers, so it seemed silly to add waitqueues and other infrastructure for something that could be handled very easily. It also makes the iclogs look like every other buffer in the filesystem in that the buffer lock is held over IO. Cheers, Dave. -- Dave Chinner david@fromorbit.com From tytso@thunk.org Mon Apr 14 21:52:07 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 90B267F37 for ; Mon, 14 Apr 2014 21:52:07 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 67E328F8033 for ; Mon, 14 Apr 2014 19:52:07 -0700 (PDT) X-ASG-Debug-ID: 1397530325-04cb6c243721170001-NocioJ Received: from imap.thunk.org (imap.thunk.org [74.207.234.97]) by cuda.sgi.com with ESMTP id e27A8qS3lh3u7yRm (version=TLSv1 cipher=AES128-SHA bits=128 verify=NO) for ; Mon, 14 Apr 2014 19:52:05 -0700 (PDT) X-Barracuda-Envelope-From: tytso@thunk.org X-Barracuda-Apparent-Source-IP: 74.207.234.97 Received: from root (helo=closure.thunk.org) by imap.thunk.org with local-esmtp (Exim 4.80) (envelope-from ) id 1WZtTg-0005DX-Rw; Tue, 15 Apr 2014 02:52:04 +0000 Received: by closure.thunk.org (Postfix, from userid 15806) id C40F4580287; Mon, 14 Apr 2014 22:52:03 -0400 (EDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=thunk.org; s=ef5046eb; t=1397530323; bh=KMnYV41DAHVFHERyW6nTVP6QiBcFxdsNwb130Ok0I2M=; h=From:To:Cc:Subject:Date:From; b=RzKGzKB4GCO9eFcy2rWrZDME/HpqmRvapANoIjOvYGcJeElfMsODLTf/q32d24lwk 3djoXtl3ukdc0h/EKZKv84yLs29TQ+RFmChZC407lYvBluwqH1VhA7rODiadhK7TDq 1T6PZvhMXo7dH51XqyU3W6HG+Nn1QZw1Mqy62tdk= From: Theodore Ts'o To: xfs@oss.sgi.com Cc: Ext4 Developers List , Theodore Ts'o Subject: [PATCH] check: add support for an external test expunging file Date: Mon, 14 Apr 2014 22:52:00 -0400 X-ASG-Orig-Subj: [PATCH] check: add support for an external test expunging file Message-Id: <1397530320-20579-1-git-send-email-tytso@mit.edu> X-Mailer: git-send-email 1.9.0 X-SA-Exim-Connect-IP: X-SA-Exim-Mail-From: tytso@thunk.org X-SA-Exim-Scanned: No (on imap.thunk.org); SAEximRunCond expanded to false X-Barracuda-Connect: imap.thunk.org[74.207.234.97] X-Barracuda-Start-Time: 1397530325 X-Barracuda-Encrypted: AES128-SHA X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=DKIM_SIGNED, DKIM_VERIFIED X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4920 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- -0.00 DKIM_VERIFIED Domain Keys Identified Mail: signature passes verification 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature Currently the -X option is intended to specify a set of expunging files which are stored in each test/* subdirectory. As described in the commit description for 0b1e8abd4, in order to exclude the test generic/280, the -X option is used as follows: $ cat tests/generic/3.0-stable-avoid 280 $ sudo ./check -X 3.0-stable-avoid generic/280 However, it is sometimes useful to store the set of expunged tests in a single file, outside of tests/* subdirectories. This commit allows the following: $ cat /root/conf/data_journal.exclude generic/068 ext4/301 $ sudo ./check -X /root/conf/data_journal.exclude -g auto If the argument to the -X option is a pathname (that is, includes a '/' character), treat it as the latter case. If it the argument to the -X option is just a bare filename (that is, does not include '/' character), treat it as the former. Signed-off-by: "Theodore Ts'o" --- check | 20 +++++++++++++++----- 1 file changed, 15 insertions(+), 5 deletions(-) diff --git a/check b/check index e7ace63..791a386 100755 --- a/check +++ b/check @@ -215,12 +215,22 @@ while [ $# -gt 0 ]; do ;; -X) xfile=$2; shift ; - for d in $SRC_GROUPS $FSTYP; do - [ -f $SRC_DIR/$d/$xfile ] || continue - for f in `cat $SRC_DIR/$d/$xfile`; do - echo $d/$f >> $tmp.xlist + case "$xfile" in + */*) if [ -f "$xfile" ]; then + cat "$xfile" >> $tmp.xlist + else + echo "Exclusion file $xfile not found" + exit 1 + fi + ;; + *) for d in $SRC_GROUPS $FSTYP; do + [ -f $SRC_DIR/$d/$xfile ] || continue + for f in `cat $SRC_DIR/$d/$xfile`; do + echo $d/$f >> $tmp.xlist + done done - done + ;; + esac ;; -s) RUN_SECTION="$RUN_SECTION $2"; shift ;; -l) diff="diff" ;; -- 1.9.0 From taremak@s1.mbsrv.net Mon Apr 14 22:02:21 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: *** X-Spam-Status: No, score=3.3 required=5.0 tests=FORGED_HOTMAIL_RCVD2, FORGED_MUA_THEBAT_BOUN,FREEMAIL_FROM,FREEMAIL_REPLYTO_END_DIGIT,HTML_MESSAGE autolearn=no version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 049A37F37 for ; Mon, 14 Apr 2014 22:02:21 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id E2C178F8033 for ; Mon, 14 Apr 2014 20:02:17 -0700 (PDT) X-ASG-Debug-ID: 1397530932-04cb6c243621930001-NocioJ Received: from s1.mbsrv.net (mbsrv.jp [211.10.17.41]) by cuda.sgi.com with ESMTP id wsqTg4thw6lMgJTO (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Mon, 14 Apr 2014 20:02:13 -0700 (PDT) X-Barracuda-Envelope-From: taremak@s1.mbsrv.net X-Barracuda-Apparent-Source-IP: 211.10.17.41 Received: from taremak by s1.mbsrv.net with local (Exim 4.80.1) (envelope-from ) id 1WZtdB-0006ep-6g; Tue, 15 Apr 2014 12:01:53 +0900 To: , , , , , , , , , , , , , , , , , , , Subject: =?windows-1251?B?yuvo7/HgIMDt8uj18ODvIO/u7O7m5fIg4uDs?= =?windows-1251?B?IOgg4uD46Owg8O7k7fvsIO7h8OXx8ugg5+Tu?= =?windows-1251?B?8O7i++kg8e7tLg==?= From: Gcerra1973@hotmail.com X-ASG-Orig-Subj: =?windows-1251?B?yuvo7/HgIMDt8uj18ODvIO/u7O7m5fIg4uDs?= =?windows-1251?B?IOgg4uD46Owg8O7k7fvsIO7h8OXx8ugg5+Tu?= =?windows-1251?B?8O7i++kg8e7tLg==?= X-Mailer: The Bat! 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----------81CCFFF9CAFBD6317-- From dave@fromorbit.com Tue Apr 15 03:25:09 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 0E0677F3F for ; Tue, 15 Apr 2014 03:25:09 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id E1C15304059 for ; Tue, 15 Apr 2014 01:25:08 -0700 (PDT) X-ASG-Debug-ID: 1397550306-04bdf0455538b60001-NocioJ Received: from ipmail06.adl6.internode.on.net (ipmail06.adl6.internode.on.net [150.101.137.145]) by cuda.sgi.com with ESMTP id FE7CZjc4PfDV0ziG for ; Tue, 15 Apr 2014 01:25:06 -0700 (PDT) X-Barracuda-Envelope-From: dave@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.145 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AuZdAL7rTFN5LEcvPGdsb2JhbABYgwaIW7x+FwMBAQEBODWDAjuBAgMHiCiaJrI0jwCEIgSjR4kfggQr Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail06.adl6.internode.on.net with ESMTP; 15 Apr 2014 17:55:05 +0930 Received: from disappointment.disaster.area ([192.168.1.110] helo=disappointment) by dastard with esmtp (Exim 4.80) (envelope-from ) id 1WZyfv-0003WL-6m for xfs@oss.sgi.com; Tue, 15 Apr 2014 18:25:03 +1000 Received: from dave by disappointment with local (Exim 4.82) (envelope-from ) id 1WZyfv-0008Ph-5h for xfs@oss.sgi.com; Tue, 15 Apr 2014 18:25:03 +1000 From: Dave Chinner To: xfs@oss.sgi.com Subject: [PATCH 0/9] xfs_db, xfs_repair: improve CRC error detection Date: Tue, 15 Apr 2014 18:24:52 +1000 X-ASG-Orig-Subj: [PATCH 0/9] xfs_db, xfs_repair: improve CRC error detection Message-Id: <1397550301-31883-1-git-send-email-david@fromorbit.com> X-Mailer: git-send-email 1.9.0 X-Barracuda-Connect: ipmail06.adl6.internode.on.net[150.101.137.145] X-Barracuda-Start-Time: 1397550306 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4928 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- Hi folks, After a conversion with a user on #IRC this morning, it was clear that xfs_repair and xfs_db weren't handling metadata blocks with CRC errors in them particularly well. xfs_metadump was reporting blocks with errors, but xfs_db was reporting them as having a correct CRC, which wasn't actually the case - they were unchecked, and the code saw the absence of error flags as meaning they were good. Repair had a similar problem - buffers that were prefetched never had the verifier run on them when they were read by the checking code as they were uptodate in the cache. Hence the prefetch code needed to mark the buffers as unchecked so that the code that checked the metadata ran the verifier and appropriately. This then showed up the fact that there were many places where repair was not catching the CRC error and rewriting the buffer to correct the bad CRC. This then showed up that we weren't actually handling remote attribute properly for the CRC enabled format. And so I fixed all of them. I've verified the code by manually corrupting blocks with xfs_db by writing garabges into unused regions of the blocks so that CRC errors are triggered. In each case repair detected the CRC error and took appropriate action. The CRC error was not found on a second run of xfs_repair. This really needs to be turned into a xfstest, but I haven't had time to do that yet. Any volunteers? Anyway, these fixes mean we'll definitely need a 3.2.0-rc2 release in the not too distant future. Comments, flames and testing all welcome.... -Dave. From dave@fromorbit.com Tue Apr 15 03:25:11 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 540A27F52 for ; Tue, 15 Apr 2014 03:25:11 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id 1CFA78F8033 for ; Tue, 15 Apr 2014 01:25:11 -0700 (PDT) X-ASG-Debug-ID: 1397550306-04bdf0455538b60003-NocioJ Received: from ipmail06.adl6.internode.on.net (ipmail06.adl6.internode.on.net [150.101.137.145]) by cuda.sgi.com with ESMTP id Qo2QI2lVwlZeTFfc for ; Tue, 15 Apr 2014 01:25:09 -0700 (PDT) X-Barracuda-Envelope-From: dave@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.145 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AvNdAL7rTFN5LEcvPGdsb2JhbABYgwaIW7x+FwMBAQEBODWCJQEBBScvMwgYMTkDBxQZh3vMWo8AhCIErmor Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail06.adl6.internode.on.net with ESMTP; 15 Apr 2014 17:55:05 +0930 Received: from disappointment.disaster.area ([192.168.1.110] helo=disappointment) by dastard with esmtp (Exim 4.80) (envelope-from ) id 1WZyfv-0003WN-7h for xfs@oss.sgi.com; Tue, 15 Apr 2014 18:25:03 +1000 Received: from dave by disappointment with local (Exim 4.82) (envelope-from ) id 1WZyfv-0008Pp-6q for xfs@oss.sgi.com; Tue, 15 Apr 2014 18:25:03 +1000 From: Dave Chinner To: xfs@oss.sgi.com Subject: [PATCH 2/9] db: verify buffer on type change Date: Tue, 15 Apr 2014 18:24:54 +1000 X-ASG-Orig-Subj: [PATCH 2/9] db: verify buffer on type change Message-Id: <1397550301-31883-3-git-send-email-david@fromorbit.com> X-Mailer: git-send-email 1.9.0 In-Reply-To: <1397550301-31883-1-git-send-email-david@fromorbit.com> References: <1397550301-31883-1-git-send-email-david@fromorbit.com> X-Barracuda-Connect: ipmail06.adl6.internode.on.net[150.101.137.145] X-Barracuda-Start-Time: 1397550309 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4928 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- From: Dave Chinner Currently when the type command is run, we simply change the type associated with the buffer, but don't verify it. This results in unchecked CRCs being displayed. Hence when changing the type, run the verifier associated with the type to determine if the buffer contents is valid or not. Signed-off-by: Dave Chinner --- db/io.c | 25 +++++++++++++++++++++++++ db/io.h | 1 + db/type.c | 9 +++++---- 3 files changed, 31 insertions(+), 4 deletions(-) diff --git a/db/io.c b/db/io.c index 387f171..1a75394 100644 --- a/db/io.c +++ b/db/io.c @@ -552,6 +552,31 @@ set_cur( ring_add(); } +void +set_iocur_type( + const typ_t *t) +{ + const struct xfs_buf_ops *ops = t ? t->bops : NULL; + struct xfs_buf *bp = iocur_top->bp; + + iocur_top->typ = t; + + /* verify the buffer if the type has one. */ + if (!bp) + return; + if (!ops) { + bp->b_ops = NULL; + bp->b_flags |= LIBXFS_B_UNCHECKED; + return; + } + if (!(bp->b_flags & LIBXFS_B_UPTODATE)) + return; + bp->b_error = 0; + bp->b_ops = ops; + bp->b_ops->verify_read(bp); + bp->b_flags &= ~LIBXFS_B_UNCHECKED; +} + static void stack_help(void) { diff --git a/db/io.h b/db/io.h index 7875119..71082e6 100644 --- a/db/io.h +++ b/db/io.h @@ -62,6 +62,7 @@ extern void write_cur(void); extern void set_cur(const struct typ *t, __int64_t d, int c, int ring_add, bbmap_t *bbmap); extern void ring_add(void); +extern void set_iocur_type(const struct typ *t); /* * returns -1 for unchecked, 0 for bad and 1 for good diff --git a/db/type.c b/db/type.c index 04d0d56..b29f2a4 100644 --- a/db/type.c +++ b/db/type.c @@ -162,10 +162,11 @@ type_f( if (tt == NULL) { dbprintf(_("no such type %s\n"), argv[1]); } else { - if (iocur_top->typ == NULL) { - dbprintf(_("no current object\n")); - } else { - iocur_top->typ = cur_typ = tt; + if (iocur_top->typ == NULL) + dbprintf(_("no current object\n")); + else { + cur_typ = tt; + set_iocur_type(tt); } } } -- 1.9.0 From dave@fromorbit.com Tue Apr 15 03:25:13 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id D6ECE7F52 for ; Tue, 15 Apr 2014 03:25:12 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 629AFAC006 for ; Tue, 15 Apr 2014 01:25:12 -0700 (PDT) X-ASG-Debug-ID: 1397550309-04cbb06e9a39330001-NocioJ Received: from ipmail06.adl6.internode.on.net (ipmail06.adl6.internode.on.net [150.101.137.145]) by cuda.sgi.com with ESMTP id eXqSxvarsAODOSoY for ; Tue, 15 Apr 2014 01:25:10 -0700 (PDT) X-Barracuda-Envelope-From: dave@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.145 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AvNdAL7rTFN5LEcvPGdsb2JhbABYgwaIW7x+FwMBAQEBODWCJQEBBScvMwgYMTkDBxQZh3vMWpMiBK5qK4EuJA Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail06.adl6.internode.on.net with ESMTP; 15 Apr 2014 17:55:05 +0930 Received: from disappointment.disaster.area ([192.168.1.110] helo=disappointment) by dastard with esmtp (Exim 4.80) (envelope-from ) id 1WZyfv-0003WO-86 for xfs@oss.sgi.com; Tue, 15 Apr 2014 18:25:03 +1000 Received: from dave by disappointment with local (Exim 4.82) (envelope-from ) id 1WZyfv-0008Pu-7I for xfs@oss.sgi.com; Tue, 15 Apr 2014 18:25:03 +1000 From: Dave Chinner To: xfs@oss.sgi.com Subject: [PATCH 3/9] repair: ensure prefetched buffers have CRCs validated Date: Tue, 15 Apr 2014 18:24:55 +1000 X-ASG-Orig-Subj: [PATCH 3/9] repair: ensure prefetched buffers have CRCs validated Message-Id: <1397550301-31883-4-git-send-email-david@fromorbit.com> X-Mailer: git-send-email 1.9.0 In-Reply-To: <1397550301-31883-1-git-send-email-david@fromorbit.com> References: <1397550301-31883-1-git-send-email-david@fromorbit.com> X-Barracuda-Connect: ipmail06.adl6.internode.on.net[150.101.137.145] X-Barracuda-Start-Time: 1397550309 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4928 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- From: Dave Chinner Prefetch currently does not do CRC validation when the IO completes due to the optimisation it performs and the fact that it does not know what the type of metadata into the buffer is supposed to be. Hence, mark all prefetched buffers as "suspect" so that when the end user tries to read it with a supplied validation function the validation is run even though the buffer was already in the cache. Signed-off-by: Dave Chinner --- include/libxfs.h | 1 + libxfs/rdwr.c | 36 +++++++++++++++++++++++++++++++----- repair/prefetch.c | 3 +++ 3 files changed, 35 insertions(+), 5 deletions(-) diff --git a/include/libxfs.h b/include/libxfs.h index 6bc6c94..6b1e276 100644 --- a/include/libxfs.h +++ b/include/libxfs.h @@ -333,6 +333,7 @@ enum xfs_buf_flags_t { /* b_flags bits */ LIBXFS_B_STALE = 0x0004, /* buffer marked as invalid */ LIBXFS_B_UPTODATE = 0x0008, /* buffer is sync'd to disk */ LIBXFS_B_DISCONTIG = 0x0010, /* discontiguous buffer */ + LIBXFS_B_UNCHECKED = 0x0020, /* needs verification */ }; #define XFS_BUF_DADDR_NULL ((xfs_daddr_t) (-1LL)) diff --git a/libxfs/rdwr.c b/libxfs/rdwr.c index 7208a2f..a8f06aa 100644 --- a/libxfs/rdwr.c +++ b/libxfs/rdwr.c @@ -718,12 +718,25 @@ libxfs_readbuf(struct xfs_buftarg *btp, xfs_daddr_t blkno, int len, int flags, bp = libxfs_getbuf(btp, blkno, len); if (!bp) return NULL; - if ((bp->b_flags & (LIBXFS_B_UPTODATE|LIBXFS_B_DIRTY))) + + /* + * if the buffer was prefetched, it is likely that it was not + * validated. Hence if we are supplied an ops function and the + * buffer is marked as unchecked, we need to validate it now. + */ + if ((bp->b_flags & (LIBXFS_B_UPTODATE|LIBXFS_B_DIRTY))) { + if (ops && (bp->b_flags & LIBXFS_B_UNCHECKED)) { + bp->b_error = 0; + bp->b_ops = ops; + bp->b_ops->verify_read(bp); + bp->b_flags &= ~LIBXFS_B_UNCHECKED; + } return bp; + } /* - * only set the ops on a cache miss (i.e. first physical read) as the - * verifier may change the ops to match the typ eof buffer it contains. + * Set the ops on a cache miss (i.e. first physical read) as the + * verifier may change the ops to match the type of buffer it contains. * A cache hit might reset the verifier to the original type if we set * it again, but it won't get called again and set to match the buffer * contents. *cough* xfs_da_node_buf_ops *cough*. @@ -733,8 +746,10 @@ libxfs_readbuf(struct xfs_buftarg *btp, xfs_daddr_t blkno, int len, int flags, error = libxfs_readbufr(btp, blkno, bp, len, flags); if (error) bp->b_error = error; - else if (bp->b_ops) + else if (bp->b_ops) { bp->b_ops->verify_read(bp); + bp->b_flags &= ~LIBXFS_B_UNCHECKED; + } return bp; } @@ -786,6 +801,14 @@ libxfs_readbuf_map(struct xfs_buftarg *btp, struct xfs_buf_map *map, int nmaps, return NULL; bp->b_error = 0; + if ((bp->b_flags & (LIBXFS_B_UPTODATE|LIBXFS_B_DIRTY))) { + if (ops && (bp->b_flags & LIBXFS_B_UNCHECKED)) { + bp->b_ops = ops; + bp->b_ops->verify_read(bp); + bp->b_flags &= ~LIBXFS_B_UNCHECKED; + } + return bp; + } bp->b_ops = ops; if ((bp->b_flags & (LIBXFS_B_UPTODATE|LIBXFS_B_DIRTY))) return bp; @@ -793,8 +816,10 @@ libxfs_readbuf_map(struct xfs_buftarg *btp, struct xfs_buf_map *map, int nmaps, error = libxfs_readbufr_map(btp, bp, flags); if (!error) { bp->b_flags |= LIBXFS_B_UPTODATE; - if (bp->b_ops) + if (bp->b_ops) { bp->b_ops->verify_read(bp); + bp->b_flags &= ~LIBXFS_B_UNCHECKED; + } } #ifdef IO_DEBUG printf("%lx: %s: read %lu bytes, error %d, blkno=%llu(%llu), %p\n", @@ -889,6 +914,7 @@ libxfs_writebufr(xfs_buf_t *bp) if (!error) { bp->b_flags |= LIBXFS_B_UPTODATE; bp->b_flags &= ~(LIBXFS_B_DIRTY | LIBXFS_B_EXIT); + bp->b_flags &= ~LIBXFS_B_UNCHECKED; } return error; } diff --git a/repair/prefetch.c b/repair/prefetch.c index 6d6d344..d794ba3 100644 --- a/repair/prefetch.c +++ b/repair/prefetch.c @@ -389,6 +389,7 @@ pf_read_inode_dirs( bp->b_ops = &xfs_inode_buf_ops; bp->b_ops->verify_read(bp); + bp->b_flags &= ~LIBXFS_B_UNCHECKED; if (bp->b_error) return; @@ -460,6 +461,7 @@ pf_read_discontig( pthread_mutex_unlock(&args->lock); libxfs_readbufr_map(mp->m_ddev_targp, bp, 0); + bp->b_flags |= LIBXFS_B_UNCHECKED; libxfs_putbuf(bp); pthread_mutex_lock(&args->lock); } @@ -583,6 +585,7 @@ pf_batch_read( break; memcpy(XFS_BUF_PTR(bplist[i]), pbuf, size); bplist[i]->b_flags |= LIBXFS_B_UPTODATE; + bplist[i]->b_flags |= LIBXFS_B_UNCHECKED; len -= size; if (B_IS_INODE(XFS_BUF_PRIORITY(bplist[i]))) pf_read_inode_dirs(args, bplist[i]); -- 1.9.0 From dave@fromorbit.com Tue Apr 15 03:25:13 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 0FE3B7F53 for ; Tue, 15 Apr 2014 03:25:13 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id CE4518F8033 for ; Tue, 15 Apr 2014 01:25:09 -0700 (PDT) X-ASG-Debug-ID: 1397550306-04bdf0455538b60002-NocioJ Received: from ipmail06.adl6.internode.on.net (ipmail06.adl6.internode.on.net [150.101.137.145]) by cuda.sgi.com with ESMTP id BYFiivc1MVwsbAA4 for ; Tue, 15 Apr 2014 01:25:08 -0700 (PDT) X-Barracuda-Envelope-From: dave@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.145 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AvNdAL7rTFN5LEcvPGdsb2JhbABYgwaIW7x+FwMBAQEBODWCJQEBBScvMwgYMTkDBxQZh3vMWo8AhCIErmorgS4k Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail06.adl6.internode.on.net with ESMTP; 15 Apr 2014 17:55:05 +0930 Received: from disappointment.disaster.area ([192.168.1.110] helo=disappointment) by dastard with esmtp (Exim 4.80) (envelope-from ) id 1WZyfv-0003WM-7D for xfs@oss.sgi.com; Tue, 15 Apr 2014 18:25:03 +1000 Received: from dave by disappointment with local (Exim 4.82) (envelope-from ) id 1WZyfv-0008Pk-6O for xfs@oss.sgi.com; Tue, 15 Apr 2014 18:25:03 +1000 From: Dave Chinner To: xfs@oss.sgi.com Subject: [PATCH 1/9] db: don't claim unchecked CRCs are correct Date: Tue, 15 Apr 2014 18:24:53 +1000 X-ASG-Orig-Subj: [PATCH 1/9] db: don't claim unchecked CRCs are correct Message-Id: <1397550301-31883-2-git-send-email-david@fromorbit.com> X-Mailer: git-send-email 1.9.0 In-Reply-To: <1397550301-31883-1-git-send-email-david@fromorbit.com> References: <1397550301-31883-1-git-send-email-david@fromorbit.com> X-Barracuda-Connect: ipmail06.adl6.internode.on.net[150.101.137.145] X-Barracuda-Start-Time: 1397550307 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4928 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- From: Dave Chinner Currently xfs_db will claim the CRC on a structure is correct if the buffer is not marked with an error. However, buffers may have been read without a verifier, and hence have not had their CRCs validated. in this case, we shoul dreport "unchecked" rather than "correct". For example: xfs_db> fsb 0x6003f xfs_db> type dir3 xfs_db> p dhdr.hdr.magic = 0x58444433 dhdr.hdr.crc = 0x2d0f9c9d (unchecked) .... Signed-off-by: Dave Chinner --- db/fprint.c | 15 ++++++++++++++- db/io.c | 2 ++ db/io.h | 12 +++++++++--- 3 files changed, 25 insertions(+), 4 deletions(-) diff --git a/db/fprint.c b/db/fprint.c index 435d984..52782e2 100644 --- a/db/fprint.c +++ b/db/fprint.c @@ -206,7 +206,20 @@ fp_crc( __int64_t val; char *ok; - ok = iocur_crc_valid() ? "correct" : "bad"; + switch (iocur_crc_valid()) { + case -1: + ok = "unchecked"; + break; + case 0: + ok = "bad"; + break; + case 1: + ok = "correct"; + break; + default: + ok = "unknown state"; + break; + } for (i = 0, bitpos = bit; i < count && !seenint(); diff --git a/db/io.c b/db/io.c index 5eb61d9..387f171 100644 --- a/db/io.c +++ b/db/io.c @@ -531,6 +531,8 @@ set_cur( return; iocur_top->buf = bp->b_addr; iocur_top->bp = bp; + if (!ops) + bp->b_flags |= LIBXFS_B_UNCHECKED; iocur_top->bb = d; iocur_top->blen = c; diff --git a/db/io.h b/db/io.h index ad39bee..7875119 100644 --- a/db/io.h +++ b/db/io.h @@ -63,10 +63,16 @@ extern void set_cur(const struct typ *t, __int64_t d, int c, int ring_add, bbmap_t *bbmap); extern void ring_add(void); -static inline bool +/* + * returns -1 for unchecked, 0 for bad and 1 for good + */ +static inline int iocur_crc_valid() { - return (iocur_top->bp && - iocur_top->bp->b_error != EFSBADCRC && + if (!iocur_top->bp) + return -1; + if (iocur_top->bp->b_flags & LIBXFS_B_UNCHECKED) + return -1; + return (iocur_top->bp->b_error != EFSBADCRC && (!iocur_top->ino_buf || iocur_top->ino_crc_ok)); } -- 1.9.0 From dave@fromorbit.com Tue Apr 15 03:25:13 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 778C87F52 for ; Tue, 15 Apr 2014 03:25:13 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id 4204B8F8040 for ; Tue, 15 Apr 2014 01:25:13 -0700 (PDT) X-ASG-Debug-ID: 1397550306-04bdf0455538b60004-NocioJ Received: from ipmail06.adl6.internode.on.net (ipmail06.adl6.internode.on.net [150.101.137.145]) by cuda.sgi.com with ESMTP id 7Dr7ca6VFySiwoW7 for ; Tue, 15 Apr 2014 01:25:10 -0700 (PDT) X-Barracuda-Envelope-From: dave@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.145 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AvNdAL7rTFN5LEcvPGdsb2JhbABYgwaIW7x+FwMBAQEBODWCJQEBBScvMwgYMTkDBxQZh3vMWpMiBK5qKw Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail06.adl6.internode.on.net with ESMTP; 15 Apr 2014 17:55:05 +0930 Received: from disappointment.disaster.area ([192.168.1.110] helo=disappointment) by dastard with esmtp (Exim 4.80) (envelope-from ) id 1WZyfv-0003WS-A8 for xfs@oss.sgi.com; Tue, 15 Apr 2014 18:25:03 +1000 Received: from dave by disappointment with local (Exim 4.82) (envelope-from ) id 1WZyfv-0008QE-9E for xfs@oss.sgi.com; Tue, 15 Apr 2014 18:25:03 +1000 From: Dave Chinner To: xfs@oss.sgi.com Subject: [PATCH 7/9] repair: remove more dirv1 leftovers Date: Tue, 15 Apr 2014 18:24:59 +1000 X-ASG-Orig-Subj: [PATCH 7/9] repair: remove more dirv1 leftovers Message-Id: <1397550301-31883-8-git-send-email-david@fromorbit.com> X-Mailer: git-send-email 1.9.0 In-Reply-To: <1397550301-31883-1-git-send-email-david@fromorbit.com> References: <1397550301-31883-1-git-send-email-david@fromorbit.com> X-Barracuda-Connect: ipmail06.adl6.internode.on.net[150.101.137.145] X-Barracuda-Start-Time: 1397550310 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4928 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- From: Dave Chinner get_bmapi() and it's children were only called by dirv1 code. There are no current callers, so remove them. Signed-off-by: Dave Chinner --- repair/dinode.c | 239 -------------------------------------------------------- repair/dinode.h | 6 -- 2 files changed, 245 deletions(-) diff --git a/repair/dinode.c b/repair/dinode.c index 48f17ac..b086bec 100644 --- a/repair/dinode.c +++ b/repair/dinode.c @@ -870,245 +870,6 @@ get_agino_buf(xfs_mount_t *mp, } /* - * these next routines return the filesystem blockno of the - * block containing the block "bno" in the file whose bmap - * tree (or extent list) is rooted by "rootblock". - * - * the next routines are utility routines for the third - * routine, get_bmapi(). - * - * NOTE: getfunc_extlist only used by dirv1 checking code - */ -static xfs_dfsbno_t -getfunc_extlist(xfs_mount_t *mp, - xfs_ino_t ino, - xfs_dinode_t *dip, - xfs_dfiloff_t bno, - int whichfork) -{ - xfs_bmbt_irec_t irec; - xfs_dfsbno_t final_fsbno = NULLDFSBNO; - xfs_bmbt_rec_t *rootblock = (xfs_bmbt_rec_t *) - XFS_DFORK_PTR(dip, whichfork); - xfs_extnum_t nextents = XFS_DFORK_NEXTENTS(dip, whichfork); - int i; - - for (i = 0; i < nextents; i++) { - libxfs_bmbt_disk_get_all(rootblock + i, &irec); - if (irec.br_startoff <= bno && - bno < irec.br_startoff + irec.br_blockcount) { - final_fsbno = bno - irec.br_startoff + irec.br_startblock; - break; - } - } - - return(final_fsbno); -} - -/* - * NOTE: getfunc_btree only used by dirv1 checking code... - */ -static xfs_dfsbno_t -getfunc_btree(xfs_mount_t *mp, - xfs_ino_t ino, - xfs_dinode_t *dip, - xfs_dfiloff_t bno, - int whichfork) -{ - int i; -#ifdef DEBUG - int prev_level; -#endif - int found; - int numrecs; - xfs_bmbt_rec_t *rec; - xfs_bmbt_irec_t irec; - xfs_bmbt_ptr_t *pp; - xfs_bmbt_key_t *key; - xfs_bmdr_key_t *rkey; - xfs_bmdr_ptr_t *rp; - xfs_dfsbno_t fsbno; - xfs_buf_t *bp; - xfs_dfsbno_t final_fsbno = NULLDFSBNO; - struct xfs_btree_block *block; - xfs_bmdr_block_t *rootblock = (xfs_bmdr_block_t *) - XFS_DFORK_PTR(dip, whichfork); - - ASSERT(rootblock->bb_level != 0); - /* - * deal with root block, it's got a slightly different - * header structure than interior nodes. We know that - * a btree should have at least 2 levels otherwise it - * would be an extent list. - */ - rkey = XFS_BMDR_KEY_ADDR(rootblock, 1); - rp = XFS_BMDR_PTR_ADDR(rootblock, 1, - xfs_bmdr_maxrecs(mp, XFS_DFORK_SIZE(dip, mp, whichfork), 1)); - found = -1; - for (i = 0; i < be16_to_cpu(rootblock->bb_numrecs) - 1; i++) { - if (be64_to_cpu(rkey[i].br_startoff) <= bno && - bno < be64_to_cpu(rkey[i + 1].br_startoff)) { - found = i; - break; - } - } - if (i == be16_to_cpu(rootblock->bb_numrecs) - 1 && - bno >= be64_to_cpu(rkey[i].br_startoff)) - found = i; - - ASSERT(found != -1); - - fsbno = be64_to_cpu(rp[found]); - - ASSERT(verify_dfsbno(mp, fsbno)); - - bp = libxfs_readbuf(mp->m_dev, XFS_FSB_TO_DADDR(mp, fsbno), - XFS_FSB_TO_BB(mp, 1), 0, NULL); - if (!bp) { - do_error(_("cannot read bmap block %" PRIu64 "\n"), fsbno); - return(NULLDFSBNO); - } - block = XFS_BUF_TO_BLOCK(bp); - numrecs = be16_to_cpu(block->bb_numrecs); - - /* - * ok, now traverse any interior btree nodes - */ -#ifdef DEBUG - prev_level = be16_to_cpu(block->bb_level); -#endif - - while (be16_to_cpu(block->bb_level) > 0) { -#ifdef DEBUG - ASSERT(be16_to_cpu(block->bb_level) < prev_level); - - prev_level = be16_to_cpu(block->bb_level); -#endif - if (numrecs > mp->m_bmap_dmxr[1]) { - do_warn( -_("# of bmap records in inode %" PRIu64 " exceeds max (%u, max - %u)\n"), - ino, numrecs, - mp->m_bmap_dmxr[1]); - libxfs_putbuf(bp); - return(NULLDFSBNO); - } - if (verbose && numrecs < mp->m_bmap_dmnr[1]) { - do_warn( -_("- # of bmap records in inode %" PRIu64 " less than minimum (%u, min - %u), proceeding ...\n"), - ino, numrecs, mp->m_bmap_dmnr[1]); - } - key = XFS_BMBT_KEY_ADDR(mp, block, 1); - pp = XFS_BMBT_PTR_ADDR(mp, block, 1, mp->m_bmap_dmxr[1]); - for (found = -1, i = 0; i < numrecs - 1; i++) { - if (be64_to_cpu(key[i].br_startoff) <= bno && bno < - be64_to_cpu(key[i + 1].br_startoff)) { - found = i; - break; - } - } - if (i == numrecs - 1 && bno >= be64_to_cpu(key[i].br_startoff)) - found = i; - - ASSERT(found != -1); - fsbno = be64_to_cpu(pp[found]); - - ASSERT(verify_dfsbno(mp, fsbno)); - - /* - * release current btree block and read in the - * next btree block to be traversed - */ - libxfs_putbuf(bp); - bp = libxfs_readbuf(mp->m_dev, XFS_FSB_TO_DADDR(mp, fsbno), - XFS_FSB_TO_BB(mp, 1), 0, NULL); - if (!bp) { - do_error(_("cannot read bmap block %" PRIu64 "\n"), - fsbno); - return(NULLDFSBNO); - } - block = XFS_BUF_TO_BLOCK(bp); - numrecs = be16_to_cpu(block->bb_numrecs); - } - - /* - * current block must be a leaf block - */ - ASSERT(be16_to_cpu(block->bb_level) == 0); - if (numrecs > mp->m_bmap_dmxr[0]) { - do_warn( -_("# of bmap records in inode %" PRIu64 " greater than maximum (%u, max - %u)\n"), - ino, numrecs, mp->m_bmap_dmxr[0]); - libxfs_putbuf(bp); - return(NULLDFSBNO); - } - if (verbose && numrecs < mp->m_bmap_dmnr[0]) - do_warn( -_("- # of bmap records in inode %" PRIu64 " less than minimum (%u, min - %u), continuing...\n"), - ino, numrecs, mp->m_bmap_dmnr[0]); - - rec = XFS_BMBT_REC_ADDR(mp, block, 1); - for (i = 0; i < numrecs; i++) { - libxfs_bmbt_disk_get_all(rec + i, &irec); - if (irec.br_startoff <= bno && - bno < irec.br_startoff + irec.br_blockcount) { - final_fsbno = bno - irec.br_startoff + - irec.br_startblock; - break; - } - } - libxfs_putbuf(bp); - - if (final_fsbno == NULLDFSBNO) - do_warn(_("could not map block %" PRIu64 "\n"), bno); - - return(final_fsbno); -} - -/* - * this could be smarter. maybe we should have an open inode - * routine that would get the inode buffer and return back - * an inode handle. I'm betting for the moment that this - * is used only by the directory and attribute checking code - * and that the avl tree find and buffer cache search are - * relatively cheap. If they're too expensive, we'll just - * have to fix this and add an inode handle to the da btree - * cursor. - * - * caller is responsible for checking doubly referenced blocks - * and references to holes - * - * NOTE: get_bmapi only used by dirv1 checking code - */ -xfs_dfsbno_t -get_bmapi(xfs_mount_t *mp, xfs_dinode_t *dino_p, - xfs_ino_t ino_num, xfs_dfiloff_t bno, int whichfork) -{ - xfs_dfsbno_t fsbno; - - switch (XFS_DFORK_FORMAT(dino_p, whichfork)) { - case XFS_DINODE_FMT_EXTENTS: - fsbno = getfunc_extlist(mp, ino_num, dino_p, bno, whichfork); - break; - case XFS_DINODE_FMT_BTREE: - fsbno = getfunc_btree(mp, ino_num, dino_p, bno, whichfork); - break; - case XFS_DINODE_FMT_LOCAL: - do_error(_("get_bmapi() called for local inode %" PRIu64 "\n"), - ino_num); - fsbno = NULLDFSBNO; - break; - default: - /* - * shouldn't happen - */ - do_error(_("bad inode format for inode %" PRIu64 "\n"), ino_num); - fsbno = NULLDFSBNO; - } - - return(fsbno); -} - -/* * higher level inode processing stuff starts here: * first, one utility routine for each type of inode */ diff --git a/repair/dinode.h b/repair/dinode.h index 5ee51ca..80f3e4e 100644 --- a/repair/dinode.h +++ b/repair/dinode.h @@ -119,12 +119,6 @@ get_agino_buf(xfs_mount_t *mp, xfs_agino_t agino, xfs_dinode_t **dipp); -xfs_dfsbno_t -get_bmapi(xfs_mount_t *mp, - xfs_dinode_t *dip, - xfs_ino_t ino_num, - xfs_dfiloff_t bno, - int whichfork ); void dinode_bmbt_translation_init(void); char * get_forkname(int whichfork); -- 1.9.0 From dave@fromorbit.com Tue Apr 15 03:25:14 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 5FB1F7F53 for ; Tue, 15 Apr 2014 03:25:14 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id E7D8CAC007 for ; Tue, 15 Apr 2014 01:25:13 -0700 (PDT) X-ASG-Debug-ID: 1397550308-04cbb06e9d39330001-NocioJ Received: from ipmail06.adl6.internode.on.net (ipmail06.adl6.internode.on.net [150.101.137.145]) by cuda.sgi.com with ESMTP id Fv6yYjqKqBBclmqQ for ; Tue, 15 Apr 2014 01:25:09 -0700 (PDT) X-Barracuda-Envelope-From: dave@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.145 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AvNdAL7rTFN5LEcvPGdsb2JhbABYgwaIW7x+FwMBAQEBODWCJQEBBScvMwgYMTkDBxQZh3vMWo1/gQGEIgSuaiuBLA Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail06.adl6.internode.on.net with ESMTP; 15 Apr 2014 17:55:05 +0930 Received: from disappointment.disaster.area ([192.168.1.110] helo=disappointment) by dastard with esmtp (Exim 4.80) (envelope-from ) id 1WZyfv-0003WT-AZ for xfs@oss.sgi.com; Tue, 15 Apr 2014 18:25:03 +1000 Received: from dave by disappointment with local (Exim 4.82) (envelope-from ) id 1WZyfv-0008QJ-9f for xfs@oss.sgi.com; Tue, 15 Apr 2014 18:25:03 +1000 From: Dave Chinner To: xfs@oss.sgi.com Subject: [PATCH 8/9] repair: handle remote sylmlink CRC errors Date: Tue, 15 Apr 2014 18:25:00 +1000 X-ASG-Orig-Subj: [PATCH 8/9] repair: handle remote sylmlink CRC errors Message-Id: <1397550301-31883-9-git-send-email-david@fromorbit.com> X-Mailer: git-send-email 1.9.0 In-Reply-To: <1397550301-31883-1-git-send-email-david@fromorbit.com> References: <1397550301-31883-1-git-send-email-david@fromorbit.com> X-Barracuda-Connect: ipmail06.adl6.internode.on.net[150.101.137.145] X-Barracuda-Start-Time: 1397550308 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4928 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- From: Dave Chinner We can't really repair broken symlink buffer contents, but we can at least warn about it and correct the CRC error so the symlink is again readable. Signed-off-by: Dave Chinner --- repair/dinode.c | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) diff --git a/repair/dinode.c b/repair/dinode.c index b086bec..51863c4 100644 --- a/repair/dinode.c +++ b/repair/dinode.c @@ -1254,6 +1254,7 @@ process_symlink_remote( while (pathlen > 0) { int blk_cnt = 1; int byte_cnt; + int dirty = 0; fsbno = blkmap_get(blkmap, i); if (fsbno == NULLDFSBNO) { @@ -1284,6 +1285,12 @@ _("cannot read inode %" PRIu64 ", file block %d, disk block %" PRIu64 "\n"), lino, i, fsbno); return 1; } + if (bp->b_error == EFSBADCRC) { + do_warn( +_("Bad symlink buffer CRC block %" PRIu64 ", inode %" PRIu64 ".\n" + "Correcting CRC, but symlink may be bad.\n"), fsbno, lino); + dirty = 1; + } byte_cnt = XFS_SYMLINK_BUF_SPACE(mp, byte_cnt); byte_cnt = MIN(pathlen, byte_cnt); @@ -1307,7 +1314,10 @@ _("bad symlink header ino %" PRIu64 ", file block %d, disk block %" PRIu64 "\n") offset += byte_cnt; i++; - libxfs_putbuf(bp); + if (dirty) + libxfs_writebuf(bp, 0); + else + libxfs_putbuf(bp); } return 0; } -- 1.9.0 From dave@fromorbit.com Tue Apr 15 03:25:14 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 8E0797F5E for ; Tue, 15 Apr 2014 03:25:14 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id 4A7B4304066 for ; Tue, 15 Apr 2014 01:25:14 -0700 (PDT) X-ASG-Debug-ID: 1397550306-04bdf0455538b60005-NocioJ Received: from ipmail06.adl6.internode.on.net (ipmail06.adl6.internode.on.net [150.101.137.145]) by cuda.sgi.com with ESMTP id DMi2Cn0MX7Fpyje9 for ; Tue, 15 Apr 2014 01:25:12 -0700 (PDT) X-Barracuda-Envelope-From: dave@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.145 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AvNdAL7rTFN5LEcvPGdsb2JhbABYgwaIW7x+FwMBAQEBODWCJQEBBScvMwgYMTkDBxQZh3vMWo8AhCIErmor Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail06.adl6.internode.on.net with ESMTP; 15 Apr 2014 17:55:05 +0930 Received: from disappointment.disaster.area ([192.168.1.110] helo=disappointment) by dastard with esmtp (Exim 4.80) (envelope-from ) id 1WZyfv-0003WR-9c for xfs@oss.sgi.com; Tue, 15 Apr 2014 18:25:03 +1000 Received: from dave by disappointment with local (Exim 4.82) (envelope-from ) id 1WZyfv-0008Q9-8q for xfs@oss.sgi.com; Tue, 15 Apr 2014 18:25:03 +1000 From: Dave Chinner To: xfs@oss.sgi.com Subject: [PATCH 6/9] repair: report AG btree verifier errors Date: Tue, 15 Apr 2014 18:24:58 +1000 X-ASG-Orig-Subj: [PATCH 6/9] repair: report AG btree verifier errors Message-Id: <1397550301-31883-7-git-send-email-david@fromorbit.com> X-Mailer: git-send-email 1.9.0 In-Reply-To: <1397550301-31883-1-git-send-email-david@fromorbit.com> References: <1397550301-31883-1-git-send-email-david@fromorbit.com> X-Barracuda-Connect: ipmail06.adl6.internode.on.net[150.101.137.145] X-Barracuda-Start-Time: 1397550312 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4928 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- From: Dave Chinner When we scan the filesystem freespace and inode maps in phase 2, we don't report CRC errors that are found. We don't really care from a repair perspective, because the trees are completely rebuilt from the ground up in phase 5, but froma checking perspective we need to inform the user that we found inconsistencies. Signed-off-by: Dave Chinner --- repair/scan.c | 27 ++++++++++++++++++++++++--- 1 file changed, 24 insertions(+), 3 deletions(-) diff --git a/repair/scan.c b/repair/scan.c index 6c43474..75b4b70 100644 --- a/repair/scan.c +++ b/repair/scan.c @@ -82,6 +82,12 @@ scan_sbtree( do_error(_("can't read btree block %d/%d\n"), agno, root); return; } + if (bp->b_error == EFSBADCRC || bp->b_error == EFSCORRUPTED) { + do_warn(_("btree block %d/%d is suspect, error %d\n"), + agno, root, bp->b_error); + suspect = 1; + } + (*func)(XFS_BUF_TO_BLOCK(bp), nlevels - 1, root, agno, suspect, isroot, magic, priv); libxfs_putbuf(bp); @@ -123,6 +129,7 @@ scan_lbtree( xfs_buf_t *bp; int err; int dirty = 0; + bool badcrc = false; bp = libxfs_readbuf(mp->m_dev, XFS_FSB_TO_DADDR(mp, root), XFS_FSB_TO_BB(mp, 1), 0, ops); @@ -132,14 +139,25 @@ scan_lbtree( XFS_FSB_TO_AGBNO(mp, root)); return(1); } + + /* + * only check for bad CRC here - caller will determine if there + * is a corruption or not and whether it got corrected and so needs + * writing back. CRC errors always imply we need to write the block. + */ + if (bp->b_error == EFSBADCRC) { + do_warn(_("btree block %d/%d is suspect, error %d\n"), + XFS_FSB_TO_AGNO(mp, root), + XFS_FSB_TO_AGBNO(mp, root), bp->b_error); + badcrc = true; + } + err = (*func)(XFS_BUF_TO_BLOCK(bp), nlevels - 1, type, whichfork, root, ino, tot, nex, blkmapp, bm_cursor, isroot, check_dups, &dirty, magic); - ASSERT(dirty == 0 || (dirty && !no_modify)); - - if (dirty && !no_modify) + if ((dirty || badcrc) && !no_modify) libxfs_writebuf(bp, 0); else libxfs_putbuf(bp); @@ -1066,6 +1084,9 @@ scan_freelist( do_abort(_("can't read agfl block for ag %d\n"), agno); return; } + if (agflbuf->b_error == EFSBADCRC) + do_warn(_("agfl has bad CRC for ag %d\n"), agno); + freelist = XFS_BUF_TO_AGFL_BNO(mp, agflbuf); i = be32_to_cpu(agf->agf_flfirst); -- 1.9.0 From dave@fromorbit.com Tue Apr 15 03:25:15 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 260F67F53 for ; Tue, 15 Apr 2014 03:25:15 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id 0B371304067 for ; Tue, 15 Apr 2014 01:25:14 -0700 (PDT) X-ASG-Debug-ID: 1397550308-04cbb06e9d39330002-NocioJ Received: from ipmail06.adl6.internode.on.net (ipmail06.adl6.internode.on.net [150.101.137.145]) by cuda.sgi.com with ESMTP id jZcbSR2RhFYKgEDD for ; Tue, 15 Apr 2014 01:25:13 -0700 (PDT) X-Barracuda-Envelope-From: dave@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.145 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AvNdAL7rTFN5LEcvPGdsb2JhbABYgwaIW7x+FwMBAQEBODWCJQEBBScvMwgYMTkDBxQZh3vMWpMiBK5qK4EuJA Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail06.adl6.internode.on.net with ESMTP; 15 Apr 2014 17:55:06 +0930 Received: from disappointment.disaster.area ([192.168.1.110] helo=disappointment) by dastard with esmtp (Exim 4.80) (envelope-from ) id 1WZyfv-0003WU-BG for xfs@oss.sgi.com; Tue, 15 Apr 2014 18:25:03 +1000 Received: from dave by disappointment with local (Exim 4.82) (envelope-from ) id 1WZyfv-0008QO-A9 for xfs@oss.sgi.com; Tue, 15 Apr 2014 18:25:03 +1000 From: Dave Chinner To: xfs@oss.sgi.com Subject: [PATCH 9/9] repair: detect and handle attribute tree CRC errors Date: Tue, 15 Apr 2014 18:25:01 +1000 X-ASG-Orig-Subj: [PATCH 9/9] repair: detect and handle attribute tree CRC errors Message-Id: <1397550301-31883-10-git-send-email-david@fromorbit.com> X-Mailer: git-send-email 1.9.0 In-Reply-To: <1397550301-31883-1-git-send-email-david@fromorbit.com> References: <1397550301-31883-1-git-send-email-david@fromorbit.com> X-Barracuda-Connect: ipmail06.adl6.internode.on.net[150.101.137.145] X-Barracuda-Start-Time: 1397550313 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4928 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- From: Dave Chinner Currently the attribute code will not detect and correct errors in the attribute tree. It also fails to validate the CRCs and headers on remote attribute blocks. Ensure that all the attribute blocks are CRC checked and that the processing functions understand the correct block formats for decoding. Signed-off-by: Dave Chinner --- repair/attr_repair.c | 35 ++++++++++++++++++++++++++++------- 1 file changed, 28 insertions(+), 7 deletions(-) diff --git a/repair/attr_repair.c b/repair/attr_repair.c index ba85ac2..13ec90e 100644 --- a/repair/attr_repair.c +++ b/repair/attr_repair.c @@ -611,6 +611,8 @@ verify_da_path(xfs_mount_t *mp, ASSERT(cursor->level[this_level].dirty == 0 || (cursor->level[this_level].dirty && !no_modify)); + if (bp->b_error == EFSBADCRC) + cursor->level[this_level].dirty++; if (cursor->level[this_level].dirty && !no_modify) libxfs_writebuf(cursor->level[this_level].bp, 0); else @@ -974,6 +976,10 @@ rmtval_get(xfs_mount_t *mp, xfs_ino_t ino, blkmap_t *blkmap, xfs_dfsbno_t bno; xfs_buf_t *bp; int clearit = 0, i = 0, length = 0, amountdone = 0; + int hdrsize = 0; + + if (xfs_sb_version_hascrc(&mp->m_sb)) + hdrsize = sizeof(struct xfs_attr3_rmt_hdr); /* ASSUMPTION: valuelen is a valid number, so use it for looping */ /* Note that valuelen is not a multiple of blocksize */ @@ -986,16 +992,26 @@ rmtval_get(xfs_mount_t *mp, xfs_ino_t ino, blkmap_t *blkmap, break; } bp = libxfs_readbuf(mp->m_dev, XFS_FSB_TO_DADDR(mp, bno), - XFS_FSB_TO_BB(mp, 1), 0, NULL); + XFS_FSB_TO_BB(mp, 1), 0, + &xfs_attr3_rmt_buf_ops); if (!bp) { do_warn( _("can't read remote block for attributes of inode %" PRIu64 "\n"), ino); clearit = 1; break; } + + if (bp->b_error == EFSBADCRC || bp->b_error == EFSCORRUPTED) { + do_warn( + _("Corrupt remote block for attributes of inode %" PRIu64 "\n"), ino); + clearit = 1; + break; + } + ASSERT(mp->m_sb.sb_blocksize == XFS_BUF_COUNT(bp)); - length = MIN(XFS_BUF_COUNT(bp), valuelen - amountdone); - memmove(value, XFS_BUF_PTR(bp), length); + + length = MIN(XFS_BUF_COUNT(bp) - hdrsize, valuelen - amountdone); + memmove(value, XFS_BUF_PTR(bp) + hdrsize, length); amountdone += length; value += length; i++; @@ -1320,13 +1336,16 @@ process_leaf_attr_level(xfs_mount_t *mp, } bp = libxfs_readbuf(mp->m_dev, XFS_FSB_TO_DADDR(mp, dev_bno), - XFS_FSB_TO_BB(mp, 1), 0, NULL); + XFS_FSB_TO_BB(mp, 1), 0, + &xfs_attr3_leaf_buf_ops); if (!bp) { do_warn( _("can't read file block %u (fsbno %" PRIu64 ") for attribute fork of inode %" PRIu64 "\n"), da_bno, dev_bno, ino); goto error_out; } + if (bp->b_error == EFSBADCRC) + repair++; leaf = bp->b_addr; xfs_attr3_leaf_hdr_from_disk(&leafhdr, leaf); @@ -1382,9 +1401,9 @@ process_leaf_attr_level(xfs_mount_t *mp, current_hashval = greatest_hashval; - if (repair && !no_modify) + if (repair && !no_modify) libxfs_writebuf(bp, 0); - else + else libxfs_putbuf(bp); } while (da_bno != 0); @@ -1512,6 +1531,8 @@ process_longform_attr( ino); return(1); } + if (bp->b_error == EFSBADCRC) + (*repair)++; /* verify leaf block */ leaf = (xfs_attr_leafblock_t *)XFS_BUF_PTR(bp); @@ -1555,7 +1576,7 @@ process_longform_attr( case XFS_DA_NODE_MAGIC: /* btree-form attribute */ case XFS_DA3_NODE_MAGIC: /* must do this now, to release block 0 before the traversal */ - if (repairlinks) { + if (*repair || repairlinks) { *repair = 1; libxfs_writebuf(bp, 0); } else -- 1.9.0 From dave@fromorbit.com Tue Apr 15 03:25:14 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 380A07F52 for ; Tue, 15 Apr 2014 03:25:14 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id C6671AC006 for ; Tue, 15 Apr 2014 01:25:13 -0700 (PDT) X-ASG-Debug-ID: 1397550309-04cbb06e9a39330002-NocioJ Received: from ipmail06.adl6.internode.on.net (ipmail06.adl6.internode.on.net [150.101.137.145]) by cuda.sgi.com with ESMTP id 6dY81LineBiLl1HW for ; Tue, 15 Apr 2014 01:25:11 -0700 (PDT) X-Barracuda-Envelope-From: dave@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.145 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AvNdAL7rTFN5LEcvPGdsb2JhbABYgwaIW7x+FwMBAQEBODWCJQEBBScvMwgYMTkDBxQZh3vMWpMiBK5qKw Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail06.adl6.internode.on.net with ESMTP; 15 Apr 2014 17:55:05 +0930 Received: from disappointment.disaster.area ([192.168.1.110] helo=disappointment) by dastard with esmtp (Exim 4.80) (envelope-from ) id 1WZyfv-0003WQ-9H for xfs@oss.sgi.com; Tue, 15 Apr 2014 18:25:03 +1000 Received: from dave by disappointment with local (Exim 4.82) (envelope-from ) id 1WZyfv-0008Q4-8C for xfs@oss.sgi.com; Tue, 15 Apr 2014 18:25:03 +1000 From: Dave Chinner To: xfs@oss.sgi.com Subject: [PATCH 5/9] repair: detect CRC errors in AG headers Date: Tue, 15 Apr 2014 18:24:57 +1000 X-ASG-Orig-Subj: [PATCH 5/9] repair: detect CRC errors in AG headers Message-Id: <1397550301-31883-6-git-send-email-david@fromorbit.com> X-Mailer: git-send-email 1.9.0 In-Reply-To: <1397550301-31883-1-git-send-email-david@fromorbit.com> References: <1397550301-31883-1-git-send-email-david@fromorbit.com> X-Barracuda-Connect: ipmail06.adl6.internode.on.net[150.101.137.145] X-Barracuda-Start-Time: 1397550311 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4928 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- From: Dave Chinner repair doesn't currently detect verifier errors in AG header blocks - apart from the primary superblock they are not detected. They are, fortunately, corrected in the important cases (AGF, AGI and AGFL) because these structures are rebuilt in phase 5, but if you run xfs_repair in checking mode it won't report them as bad. Signed-off-by: Dave Chinner --- repair/scan.c | 66 ++++++++++++++++++++++++++++++++++------------------------- 1 file changed, 38 insertions(+), 28 deletions(-) diff --git a/repair/scan.c b/repair/scan.c index 1744c32..6c43474 100644 --- a/repair/scan.c +++ b/repair/scan.c @@ -1207,28 +1207,31 @@ scan_ag( void *arg) { struct aghdr_cnts *agcnts = arg; - xfs_agf_t *agf; - xfs_buf_t *agfbuf; + struct xfs_agf *agf; + struct xfs_buf *agfbuf = NULL; int agf_dirty = 0; - xfs_agi_t *agi; - xfs_buf_t *agibuf; + struct xfs_agi *agi; + struct xfs_buf *agibuf = NULL; int agi_dirty = 0; - xfs_sb_t *sb; - xfs_buf_t *sbbuf; + struct xfs_sb *sb = NULL; + struct xfs_buf *sbbuf = NULL; int sb_dirty = 0; int status; + char *objname = NULL; sbbuf = libxfs_readbuf(mp->m_dev, XFS_AG_DADDR(mp, agno, XFS_SB_DADDR), XFS_FSS_TO_BB(mp, 1), 0, &xfs_sb_buf_ops); if (!sbbuf) { - do_error(_("can't get root superblock for ag %d\n"), agno); - return; + objname = _("root superblock"); + goto out_free; } + if (sbbuf->b_error == EFSBADCRC || sbbuf->b_error == EFSCORRUPTED) + sb_dirty = 1; + sb = (xfs_sb_t *)calloc(BBSIZE, 1); if (!sb) { do_error(_("can't allocate memory for superblock\n")); - libxfs_putbuf(sbbuf); - return; + goto out_free; } libxfs_sb_from_disk(sb, XFS_BUF_TO_SBP(sbbuf)); @@ -1236,23 +1239,22 @@ scan_ag( XFS_AG_DADDR(mp, agno, XFS_AGF_DADDR(mp)), XFS_FSS_TO_BB(mp, 1), 0, &xfs_agf_buf_ops); if (!agfbuf) { - do_error(_("can't read agf block for ag %d\n"), agno); - libxfs_putbuf(sbbuf); - free(sb); - return; + objname = _("agf block"); + goto out_free; } + if (agfbuf->b_error == EFSBADCRC || agfbuf->b_error == EFSCORRUPTED) + agf_dirty = 1; agf = XFS_BUF_TO_AGF(agfbuf); agibuf = libxfs_readbuf(mp->m_dev, XFS_AG_DADDR(mp, agno, XFS_AGI_DADDR(mp)), XFS_FSS_TO_BB(mp, 1), 0, &xfs_agi_buf_ops); if (!agibuf) { - do_error(_("can't read agi block for ag %d\n"), agno); - libxfs_putbuf(agfbuf); - libxfs_putbuf(sbbuf); - free(sb); - return; + objname = _("agi block"); + goto out_free; } + if (agibuf->b_error == EFSBADCRC || agibuf->b_error == EFSCORRUPTED) + agi_dirty = 1; agi = XFS_BUF_TO_AGI(agibuf); /* fix up bad ag headers */ @@ -1277,7 +1279,7 @@ scan_ag( do_warn(_("would reset bad sb for ag %d\n"), agno); } } - if (status & XR_AG_AGF) { + if (agf_dirty || status & XR_AG_AGF) { if (!no_modify) { do_warn(_("reset bad agf for ag %d\n"), agno); agf_dirty = 1; @@ -1285,7 +1287,7 @@ scan_ag( do_warn(_("would reset bad agf for ag %d\n"), agno); } } - if (status & XR_AG_AGI) { + if (agi_dirty || status & XR_AG_AGI) { if (!no_modify) { do_warn(_("reset bad agi for ag %d\n"), agno); agi_dirty = 1; @@ -1295,15 +1297,9 @@ scan_ag( } if (status && no_modify) { - libxfs_putbuf(agibuf); - libxfs_putbuf(agfbuf); - libxfs_putbuf(sbbuf); - free(sb); - do_warn(_("bad uncorrected agheader %d, skipping ag...\n"), agno); - - return; + goto out_free; } scan_freelist(agf, agcnts); @@ -1341,6 +1337,20 @@ scan_ag( print_inode_list(i); #endif return; + +out_free: + if (sb) + free(sb); + if (agibuf) + libxfs_putbuf(agibuf); + if (agfbuf) + libxfs_putbuf(agfbuf); + if (sbbuf) + libxfs_putbuf(sbbuf); + if (objname) + do_error(_("can't get %s for ag %d\n"), objname, agno); + return; + } #define SCAN_THREADS 32 -- 1.9.0 From dave@fromorbit.com Tue Apr 15 03:25:15 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 5F99D7F5E for ; Tue, 15 Apr 2014 03:25:15 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 55CB98F8033 for ; Tue, 15 Apr 2014 01:25:15 -0700 (PDT) X-ASG-Debug-ID: 1397550309-04cbb06e9a39330003-NocioJ Received: from ipmail06.adl6.internode.on.net (ipmail06.adl6.internode.on.net [150.101.137.145]) by cuda.sgi.com with ESMTP id Bnxg6W554uxkcGau for ; Tue, 15 Apr 2014 01:25:13 -0700 (PDT) X-Barracuda-Envelope-From: dave@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.145 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AvNdAL7rTFN5LEcvPGdsb2JhbABYgwaIW7x+FwMBAQEBODWCJQEBBScvMwgYMTkDBxQZh3vMWpMiBK5qK4EuJA Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail06.adl6.internode.on.net with ESMTP; 15 Apr 2014 17:55:06 +0930 Received: from disappointment.disaster.area ([192.168.1.110] helo=disappointment) by dastard with esmtp (Exim 4.80) (envelope-from ) id 1WZyfv-0003WP-8Z for xfs@oss.sgi.com; Tue, 15 Apr 2014 18:25:03 +1000 Received: from dave by disappointment with local (Exim 4.82) (envelope-from ) id 1WZyfv-0008Pz-7g for xfs@oss.sgi.com; Tue, 15 Apr 2014 18:25:03 +1000 From: Dave Chinner To: xfs@oss.sgi.com Subject: [PATCH 4/9] repair: detect and correct CRC errors in directory blocks Date: Tue, 15 Apr 2014 18:24:56 +1000 X-ASG-Orig-Subj: [PATCH 4/9] repair: detect and correct CRC errors in directory blocks Message-Id: <1397550301-31883-5-git-send-email-david@fromorbit.com> X-Mailer: git-send-email 1.9.0 In-Reply-To: <1397550301-31883-1-git-send-email-david@fromorbit.com> References: <1397550301-31883-1-git-send-email-david@fromorbit.com> X-Barracuda-Connect: ipmail06.adl6.internode.on.net[150.101.137.145] X-Barracuda-Start-Time: 1397550312 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4928 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- From: Dave Chinner repair doesn't currently verifier errors in directory blocks - they cause repair to ignore blocks and hence fail because it can't read critical blocks from the directory. Fix this by having the directory buffer read code detect a verifier error and retry the read without the verifier if the verifier has detected an error. Then pass the verifer error with the successfully read buffer back to the caller, so the caller can handle the error appropriately. In most cases, this is simply marking the directory as needing a rebuild, so once the directory entries have been checked and repaired, it will rewrite all the directory buffers (including the clean ones) and in the process recalculate all the the CRC on the directory blocks. Hence pure CRC errors in directory blocks are now handled correctly by xfs_repair. Signed-off-by: Dave Chinner --- libxfs/rdwr.c | 3 +- repair/phase6.c | 108 ++++++++++++++++++++++++++++++++++++++++++++++---------- 2 files changed, 90 insertions(+), 21 deletions(-) diff --git a/libxfs/rdwr.c b/libxfs/rdwr.c index a8f06aa..314c45d 100644 --- a/libxfs/rdwr.c +++ b/libxfs/rdwr.c @@ -724,9 +724,9 @@ libxfs_readbuf(struct xfs_buftarg *btp, xfs_daddr_t blkno, int len, int flags, * validated. Hence if we are supplied an ops function and the * buffer is marked as unchecked, we need to validate it now. */ + bp->b_error = 0; if ((bp->b_flags & (LIBXFS_B_UPTODATE|LIBXFS_B_DIRTY))) { if (ops && (bp->b_flags & LIBXFS_B_UNCHECKED)) { - bp->b_error = 0; bp->b_ops = ops; bp->b_ops->verify_read(bp); bp->b_flags &= ~LIBXFS_B_UNCHECKED; @@ -741,7 +741,6 @@ libxfs_readbuf(struct xfs_buftarg *btp, xfs_daddr_t blkno, int len, int flags, * it again, but it won't get called again and set to match the buffer * contents. *cough* xfs_da_node_buf_ops *cough*. */ - bp->b_error = 0; bp->b_ops = ops; error = libxfs_readbufr(btp, blkno, bp, len, flags); if (error) diff --git a/repair/phase6.c b/repair/phase6.c index 0c35e1c..6c5ff53 100644 --- a/repair/phase6.c +++ b/repair/phase6.c @@ -125,6 +125,43 @@ typedef struct freetab { #define DIR_HASH_CK_TOTAL 6 /* + * Need to handle CRC and validation errors specially here. If + * there is a validator error, re-read without the verifier so + * that we get a buffer we can check and repair. Re-attach the + * ops to the buffer after the read so that when it is rewritten + * the CRC is recalculated. + * + * Returns a positive error on failure, 0 for success, and negative + * error if a verifier error occurred and we reread the block without + * the verifier successfully. + */ +static int +dir_read_buf( + struct xfs_inode *ip, + xfs_dablk_t bno, + xfs_daddr_t mappedbno, + struct xfs_buf **bpp, + const struct xfs_buf_ops *ops) +{ + int error; + int error2; + + error = libxfs_da_read_buf(NULL, ip, bno, mappedbno, bpp, + XFS_DATA_FORK, ops); + + if (error != EFSBADCRC && error != EFSCORRUPTED) + return error; + + error2 = libxfs_da_read_buf(NULL, ip, bno, mappedbno, bpp, + XFS_DATA_FORK, NULL); + if (error2) + return error2; + + (*bpp)->b_ops = ops; + return -error; +} + +/* * Returns 0 if the name already exists (ie. a duplicate) */ static int @@ -1906,15 +1943,22 @@ longform_dir2_check_leaf( int seeval; struct xfs_dir2_leaf_entry *ents; struct xfs_dir3_icleaf_hdr leafhdr; + int error; + int fixit = 0; da_bno = mp->m_dirleafblk; - if (libxfs_da_read_buf(NULL, ip, da_bno, -1, &bp, XFS_DATA_FORK, - &xfs_dir3_leaf1_buf_ops)) { + error = dir_read_buf(ip, da_bno, -1, &bp, &xfs_dir3_leaf1_buf_ops); + if (error < 0) { + fixit++; + error = 0; + } + if (error) { do_error( - _("can't read block %u for directory inode %" PRIu64 "\n"), - da_bno, ip->i_ino); + _("can't read block %u for directory inode %" PRIu64 ", error %d\n"), + da_bno, ip->i_ino, error); /* NOTREACHED */ } + leaf = bp->b_addr; xfs_dir3_leaf_hdr_from_disk(&leafhdr, leaf); ents = xfs_dir3_leaf_ents_p(leaf); @@ -1951,7 +1995,7 @@ longform_dir2_check_leaf( return 1; } libxfs_putbuf(bp); - return 0; + return fixit; } /* @@ -1978,6 +2022,8 @@ longform_dir2_check_node( struct xfs_dir3_icleaf_hdr leafhdr; struct xfs_dir3_icfree_hdr freehdr; __be16 *bests; + int error; + int fixit = 0; for (da_bno = mp->m_dirleafblk, next_da_bno = 0; next_da_bno != NULLFILEOFF && da_bno < mp->m_dirfreeblk; @@ -1993,11 +2039,16 @@ longform_dir2_check_node( * a node block, then we'll skip it below based on a magic * number check. */ - if (libxfs_da_read_buf(NULL, ip, da_bno, -1, &bp, - XFS_DATA_FORK, &xfs_da3_node_buf_ops)) { + error = dir_read_buf(ip, da_bno, -1, &bp, + &xfs_da3_node_buf_ops); + if (error < 0) { + fixit++; + error = 0; + } + if (error) { do_warn( - _("can't read leaf block %u for directory inode %" PRIu64 "\n"), - da_bno, ip->i_ino); + _("can't read leaf block %u for directory inode %" PRIu64 ", error %d\n"), + da_bno, ip->i_ino, error); return 1; } leaf = bp->b_addr; @@ -2016,6 +2067,12 @@ longform_dir2_check_node( libxfs_putbuf(bp); return 1; } + + /* + * If there's a validator error, we need to ensure that we got + * the right ops on the buffer for when we write it back out. + */ + bp->b_ops = &xfs_dir3_leafn_buf_ops; if (leafhdr.count > xfs_dir3_max_leaf_ents(mp, leaf) || leafhdr.count < leafhdr.stale) { do_warn( @@ -2039,11 +2096,17 @@ longform_dir2_check_node( next_da_bno = da_bno + mp->m_dirblkfsbs - 1; if (bmap_next_offset(NULL, ip, &next_da_bno, XFS_DATA_FORK)) break; - if (libxfs_da_read_buf(NULL, ip, da_bno, -1, &bp, - XFS_DATA_FORK, &xfs_dir3_free_buf_ops)) { + + error = dir_read_buf(ip, da_bno, -1, &bp, + &xfs_dir3_free_buf_ops); + if (error < 0) { + fixit++; + error = 0; + } + if (error) { do_warn( - _("can't read freespace block %u for directory inode %" PRIu64 "\n"), - da_bno, ip->i_ino); + _("can't read freespace block %u for directory inode %" PRIu64 ", error %d\n"), + da_bno, ip->i_ino, error); return 1; } free = bp->b_addr; @@ -2093,7 +2156,7 @@ longform_dir2_check_node( return 1; } } - return 0; + return fixit; } /* @@ -2148,6 +2211,7 @@ longform_dir2_entry_check(xfs_mount_t *mp, next_da_bno != NULLFILEOFF && da_bno < mp->m_dirleafblk; da_bno = (xfs_dablk_t)next_da_bno) { const struct xfs_buf_ops *ops; + int error; next_da_bno = da_bno + mp->m_dirblkfsbs - 1; if (bmap_next_offset(NULL, ip, &next_da_bno, XFS_DATA_FORK)) @@ -2167,11 +2231,17 @@ longform_dir2_entry_check(xfs_mount_t *mp, ops = &xfs_dir3_block_buf_ops; else ops = &xfs_dir3_data_buf_ops; - if (libxfs_da_read_buf(NULL, ip, da_bno, -1, &bplist[db], - XFS_DATA_FORK, ops)) { + + error = dir_read_buf(ip, da_bno, -1, &bplist[db], ops); + if (error < 0) { + fixit++; + error = 0; + } + + if (error) { do_warn( - _("can't read data block %u for directory inode %" PRIu64 "\n"), - da_bno, ino); + _("can't read data block %u for directory inode %" PRIu64 " error %d\n"), + da_bno, ino, error); *num_illegal += 1; /* @@ -2189,7 +2259,7 @@ longform_dir2_entry_check(xfs_mount_t *mp, irec, ino_offset, &bplist[db], hashtab, &freetab, da_bno, isblock); } - fixit = (*num_illegal != 0) || dir2_is_badino(ino) || *need_dot; + fixit |= (*num_illegal != 0) || dir2_is_badino(ino) || *need_dot; if (!dotdot_update) { /* check btree and freespace */ -- 1.9.0 From johannes.truschnigg@geizhals.at Tue Apr 15 07:23:15 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id C7FB87F3F for ; Tue, 15 Apr 2014 07:23:15 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 436A5AC006 for ; Tue, 15 Apr 2014 05:23:12 -0700 (PDT) X-ASG-Debug-ID: 1397564589-04cb6c243845bf0001-NocioJ Received: from morework.geizhals.at (morework.geizhals.at [78.142.138.3]) by cuda.sgi.com with ESMTP id jrH5ynVoUm6flHhf (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Tue, 15 Apr 2014 05:23:10 -0700 (PDT) X-Barracuda-Envelope-From: johannes.truschnigg@geizhals.at X-Barracuda-Apparent-Source-IP: 78.142.138.3 Received: from localhost (localhost [127.0.0.1]) by morework.geizhals.at (Postfix) with ESMTP id 41B021248385 for ; Tue, 15 Apr 2014 14:23:09 +0200 (CEST) X-Virus-Scanned: amavisd-new at geizhals.at Received: from morework.geizhals.at ([127.0.0.1]) by localhost (morework.geizhals.at [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id LJB7hjLeupHC; Tue, 15 Apr 2014 14:23:07 +0200 (CEST) Received: from [10.0.0.137] (unknown [10.0.0.137]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) (Authenticated sender: jt) by morework.geizhals.at (Postfix) with ESMTPSA id 9B9F11248382; Tue, 15 Apr 2014 14:23:07 +0200 (CEST) Message-ID: <534D24AB.1050605@geizhals.at> Date: Tue, 15 Apr 2014 14:23:07 +0200 From: Johannes Truschnigg User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20131103 Icedove/17.0.10 MIME-Version: 1.0 To: xfs@oss.sgi.com Subject: Seeking XFS tuning advice for PostgreSQL on SATA SSDs/Linux-md Content-Type: text/plain; charset=ISO-8859-1; format=flowed X-ASG-Orig-Subj: Seeking XFS tuning advice for PostgreSQL on SATA SSDs/Linux-md Content-Transfer-Encoding: 7bit X-Barracuda-Connect: morework.geizhals.at[78.142.138.3] X-Barracuda-Start-Time: 1397564590 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4933 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- Hi list, we're building a postgres streaming replication slave that's supposed to pick up work if our primary pg cluster (with an all-flash FC SAN appliance as its backend store) goes down. We'll be using consumer-grade hardware for this setup, which I detail below: o 2x Intel Xeon E5-2630L (24 threads total) o 512GB DDR3 ECC RDIMM o Intel C606-based Dual 4-Port SATA/SAS HBA (PCIID 8086:1d68) o 6x Samsung 830 SSD with 512GB each, 25% reserved for HPA o Debian GNU/Linux 7.x "Wheezy" + backports kernel (3.13+) o PostgreSQL 9.0 If there's anything else that is of critical interest that I forgot to mention, hardware- or software-wise, please let me know. When benchmarking the individual SSDs with fio (using the libaio backend), the IOPS we've seen were in the 30k-35k range overall for 4K block sizes. The host will be on the receiving end of a pg9.0 streaming replication cluster setup where the master handles ~50k IOPS peak, and I'm thinking what'd be a good approach to design the local storage stack (with availability in mind) in a way that has a chance to keep up with our flash-based FC SAN. After digging through linux-raid archives, I think the most sensible approach are two-disk pairs in RAID1 that are concatenated via either LVM2 or md (leaning towards the latter, since I'd expect that to have a tad less overhead), and xfs on top of that resulting block device. That should yield roughly 1.2TB of usable space (we need a minimum of 900GB for the DB). With this setup, it should be possible to have up to 3 CPUs busy with handling I/O on the block side of things, which raises the question what'd be a sensible value to choose for xfs' Allocation Group Count/agcount. I've been trying to find information on that myself, but what I managed to dig up is, at times, so old that it seems rather outlandish today - some sources on the web (from 2003), for example, say that one AG per 4GB of underlying diskspace makes sense, which seems excessive for a 1200GB volume. I've experimented with mkfs.xfs (on top of LVM only; I don't know if it takes into account lower block layers and seen that it supposedly chooses to default to an agcount of 4, which seems insufficient given the max. bandwidth our setup should be able to provide. Apart from that, is there any kind of advice you can share for tuning xfs to run postgres (9.0 initially, but we're planning to upgrade to 9.3 or later eventually) on in 2014, especially performance-wise? Thanks, regards: - Johannes From lczerner@redhat.com Tue Apr 15 08:11:07 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id DC40A7F3F for ; Tue, 15 Apr 2014 08:11:07 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id BD4B28F8037 for ; Tue, 15 Apr 2014 06:11:07 -0700 (PDT) X-ASG-Debug-ID: 1397567463-04cb6c243648a80001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id W0TY8SE0BjsAbcvN for ; Tue, 15 Apr 2014 06:11:03 -0700 (PDT) X-Barracuda-Envelope-From: lczerner@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx01.intmail.prod.int.phx2.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3FDAfBc008193 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Tue, 15 Apr 2014 09:10:41 -0400 Received: from dhcp-1-205.brq.redhat.com (dhcp-1-205.brq.redhat.com [10.34.1.205]) by int-mx01.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id s3FDAcvk025829 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Tue, 15 Apr 2014 09:10:40 -0400 Date: Tue, 15 Apr 2014 15:10:38 +0200 (CEST) From: =?ISO-8859-15?Q?Luk=E1=A8_Czerner?= X-X-Sender: lczerner@localhost.localdomain To: Christoph Hellwig cc: linux-fsdevel@vger.kernel.org, ceph-devel@vger.kernel.org, linux-ext4@vger.kernel.org, xfs@oss.sgi.com Subject: Re: [PATCH 3/4] fs: Remove i_size check from do_fallocate In-Reply-To: <20140412152117.GB18047@infradead.org> X-ASG-Orig-Subj: Re: [PATCH 3/4] fs: Remove i_size check from do_fallocate Message-ID: References: <1397242665-2183-1-git-send-email-lczerner@redhat.com> <1397242665-2183-3-git-send-email-lczerner@redhat.com> <20140412152117.GB18047@infradead.org> User-Agent: Alpine 2.00 (LFD 1167 2008-08-23) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII X-Scanned-By: MIMEDefang 2.67 on 10.5.11.11 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1397567463 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Sat, 12 Apr 2014, Christoph Hellwig wrote: > Date: Sat, 12 Apr 2014 08:21:17 -0700 > From: Christoph Hellwig > To: Lukas Czerner > Cc: linux-fsdevel@vger.kernel.org, ceph-devel@vger.kernel.org, > linux-ext4@vger.kernel.org, xfs@oss.sgi.com > Subject: Re: [PATCH 3/4] fs: Remove i_size check from do_fallocate > > Looks good, but the subject line is misleading, it should read something > like: > > "fs: move falloc collapse range check into the filesystem methods" > > Might also be worth mentioning that size checks for the other modes > are in the filesystems in the the long description. I'll update the description and the subject. Thanks! -Lukas > > Reviewed-by: Christoph Hellwig > From lczerner@redhat.com Tue Apr 15 08:27:22 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 2E6B47F3F for ; Tue, 15 Apr 2014 08:27:22 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 1B7648F8037 for ; Tue, 15 Apr 2014 06:27:22 -0700 (PDT) X-ASG-Debug-ID: 1397568441-04cb6c243649cb0001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id mvWcMCUhz2nNAaik for ; Tue, 15 Apr 2014 06:27:21 -0700 (PDT) X-Barracuda-Envelope-From: lczerner@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx10.intmail.prod.int.phx2.redhat.com (int-mx10.intmail.prod.int.phx2.redhat.com [10.5.11.23]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3FDJoJ2009551 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 15 Apr 2014 09:19:51 -0400 Received: from dhcp-1-205.brq.redhat.com (dhcp-1-205.brq.redhat.com [10.34.1.205]) by int-mx10.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s3FDJlFO031051 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Tue, 15 Apr 2014 09:19:48 -0400 Date: Tue, 15 Apr 2014 15:19:47 +0200 (CEST) From: =?ISO-8859-15?Q?Luk=E1=A8_Czerner?= X-X-Sender: lczerner@localhost.localdomain To: Christoph Hellwig cc: linux-fsdevel@vger.kernel.org, ceph-devel@vger.kernel.org, linux-ext4@vger.kernel.org, xfs@oss.sgi.com Subject: Re: [PATCH 4/4] fs: Disallow all fallocate operation on active swapfile In-Reply-To: <20140412152225.GC18047@infradead.org> X-ASG-Orig-Subj: Re: [PATCH 4/4] fs: Disallow all fallocate operation on active swapfile Message-ID: References: <1397242665-2183-1-git-send-email-lczerner@redhat.com> <1397242665-2183-4-git-send-email-lczerner@redhat.com> <20140412152225.GC18047@infradead.org> User-Agent: Alpine 2.00 (LFD 1167 2008-08-23) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII X-Scanned-By: MIMEDefang 2.68 on 10.5.11.23 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1397568441 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Sat, 12 Apr 2014, Christoph Hellwig wrote: > Date: Sat, 12 Apr 2014 08:22:25 -0700 > From: Christoph Hellwig > To: Lukas Czerner > Cc: linux-fsdevel@vger.kernel.org, ceph-devel@vger.kernel.org, > linux-ext4@vger.kernel.org, xfs@oss.sgi.com > Subject: Re: [PATCH 4/4] fs: Disallow all fallocate operation on active > swapfile > > Given that the earlier patches were about races - what protects us > from swapon racing with the check outside the filesystem locks? > That would be fairies :) This patch is obviously wrong so I'll drop it and try to think about better way of dealing with this. Thanks! -Lukas From lczerner@redhat.com Tue Apr 15 08:38:22 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id A7F647F3F for ; Tue, 15 Apr 2014 08:38:22 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id 95387304051 for ; Tue, 15 Apr 2014 06:38:22 -0700 (PDT) X-ASG-Debug-ID: 1397569101-04cbb06e9c4d900001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id YKNDJcptJthbmjdM for ; Tue, 15 Apr 2014 06:38:21 -0700 (PDT) X-Barracuda-Envelope-From: lczerner@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3FD9jIB007692 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 15 Apr 2014 09:09:45 -0400 Received: from dhcp-1-205.brq.redhat.com (dhcp-1-205.brq.redhat.com [10.34.1.205]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s3FD9hX4002495 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Tue, 15 Apr 2014 09:09:44 -0400 Date: Tue, 15 Apr 2014 15:09:42 +0200 (CEST) From: =?ISO-8859-15?Q?Luk=E1=A8_Czerner?= X-X-Sender: lczerner@localhost.localdomain To: Christoph Hellwig cc: linux-fsdevel@vger.kernel.org, ceph-devel@vger.kernel.org, linux-ext4@vger.kernel.org, xfs@oss.sgi.com Subject: Re: [PATCH 2/4] fs: Prevent doing FALLOC_FL_ZERO_RANGE on append only file In-Reply-To: <20140412151935.GA18047@infradead.org> X-ASG-Orig-Subj: Re: [PATCH 2/4] fs: Prevent doing FALLOC_FL_ZERO_RANGE on append only file Message-ID: References: <1397242665-2183-1-git-send-email-lczerner@redhat.com> <1397242665-2183-2-git-send-email-lczerner@redhat.com> <20140412151935.GA18047@infradead.org> User-Agent: Alpine 2.00 (LFD 1167 2008-08-23) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1397569101 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Sat, 12 Apr 2014, Christoph Hellwig wrote: > Date: Sat, 12 Apr 2014 08:19:35 -0700 > From: Christoph Hellwig > To: Lukas Czerner > Cc: linux-fsdevel@vger.kernel.org, ceph-devel@vger.kernel.org, > linux-ext4@vger.kernel.org, xfs@oss.sgi.com > Subject: Re: [PATCH 2/4] fs: Prevent doing FALLOC_FL_ZERO_RANGE on append only > file > > On Fri, Apr 11, 2014 at 08:57:43PM +0200, Lukas Czerner wrote: > > /* > > - * It's not possible to punch hole or perform collapse range > > - * on append only file > > + * It's not possible to punch hole, perform collapse range > > + * or zero range on append only file > > */ > > - if (mode & (FALLOC_FL_PUNCH_HOLE | FALLOC_FL_COLLAPSE_RANGE) > > + if (mode & (FALLOC_FL_PUNCH_HOLE | FALLOC_FL_COLLAPSE_RANGE | > > + FALLOC_FL_ZERO_RANGE) > > Might be better to make this a negative test fo the operation that is > allowed on an appen only file. That's also much better future proof. > True, it might be better to do it this way: if (mode & ~FALLOC_FL_KEEP_SIZE && IS_APPEND(inode)) this makes FALLOC_FL_NO_HIDE_STALE (reserved, not implemented) potentially not work on the append only file since it could change the content of the file. Will resend. Thanks! -Lukas From bfoster@redhat.com Tue Apr 15 09:59:36 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 933227F3F for ; Tue, 15 Apr 2014 09:59:36 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 75FD2304071 for ; Tue, 15 Apr 2014 07:59:33 -0700 (PDT) X-ASG-Debug-ID: 1397573971-04cb6c243651690001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id NLdU6HEhCQPoOVuO for ; Tue, 15 Apr 2014 07:59:32 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx09.intmail.prod.int.phx2.redhat.com (int-mx09.intmail.prod.int.phx2.redhat.com [10.5.11.22]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3FExTId030514 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 15 Apr 2014 10:59:29 -0400 Received: from laptop.bfoster (vpn-48-211.rdu2.redhat.com [10.10.48.211]) by int-mx09.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s3FExSkm025833; Tue, 15 Apr 2014 10:59:29 -0400 Received: from laptop.bfoster (localhost.localdomain [127.0.0.1]) by laptop.bfoster (Postfix) with ESMTP id 0330B120AC3; Tue, 15 Apr 2014 10:59:27 -0400 (EDT) Received: (from bfoster@localhost) by laptop.bfoster (8.14.7/8.14.7/Submit) id s3FExPPw005298; Tue, 15 Apr 2014 10:59:25 -0400 X-Authentication-Warning: laptop.bfoster: bfoster set sender to bfoster@redhat.com using -f Date: Tue, 15 Apr 2014 10:59:25 -0400 From: Brian Foster To: Dave Chinner Cc: xfs@oss.sgi.com, bob.mastors@solidfire.com, snitzer@redhat.com Subject: Re: [PATCH] xfs: unmount does not wait for shutdown during unmount Message-ID: <20140415145924.GA3470@laptop.bfoster> X-ASG-Orig-Subj: Re: [PATCH] xfs: unmount does not wait for shutdown during unmount References: <1397104955-7247-1-git-send-email-david@fromorbit.com> <20140414192824.GC62307@bfoster.bfoster> <20140415021546.GD31578@dastard> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20140415021546.GD31578@dastard> User-Agent: Mutt/1.5.21 (2010-09-15) X-Scanned-By: MIMEDefang 2.68 on 10.5.11.22 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1397573972 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Tue, Apr 15, 2014 at 12:15:46PM +1000, Dave Chinner wrote: > On Mon, Apr 14, 2014 at 03:28:24PM -0400, Brian Foster wrote: > > On Thu, Apr 10, 2014 at 02:42:35PM +1000, Dave Chinner wrote: > > > From: Dave Chinner > > > > > > And interesting situation can occur if a log IO error occurs during > > > the unmount of a filesystem. The cases reported have the same > > > signature - the update of the superblock counters fails due to a log > > > write IO error: > > > > > > XFS (dm-16): xfs_do_force_shutdown(0x2) called from line 1170 of file fs/xfs/xfs_log.c. Return address = 0xffffffffa08a44a1 > > > XFS (dm-16): Log I/O Error Detected. Shutting down filesystem > > > XFS (dm-16): Unable to update superblock counters. Freespace may not be correct on next mount. > > > XFS (dm-16): xfs_log_force: error 5 returned. > > > XFS (¿-¿¿¿): Please umount the filesystem and rectify the problem(s) > > > > > > It can be seen that the last line of output contains a corrupt > > > device name - this is because the log and xfs_mount structures have > > > already been freed by the time this message is printed. A kernel > > > oops closely follows. > > > > > > The issue is that the shutdown is occurring in a separate IO > > > completion thread to the unmount. Once the shutdown processing has > > > started and all the iclogs are marked with XLOG_STATE_IOERROR, the > > > log shutdown code wakes anyone waiting on a log force so they can > > > process the shutdown error. This wakes up the unmount code that > > > is doing a synchronous transaction to update the superblock > > > counters. > > > > > > The unmount path now sees all the iclogs are marked with > > > XLOG_STATE_IOERROR and so never waits on them again, knowing that if > > > it does, there will not be a wakeup trigger for it and we will hang > > > the unmount if we do. Hence the unmount runs through all the > > > remaining code and frees all the filesystem structures while the > > > xlog_iodone() is still processing the shutdown. When the log > > > shutdown processing completes, xfs_do_force_shutdown() emits the > > > "Please umount the filesystem and rectify the problem(s)" message, > > > and xlog_iodone() then aborts all the objects attached to the iclog. > > > An iclog that has already been freed.... > > > > > > The real issue here is that there is no serialisation point between > > > the log IO and the unmount. We have serialisations points for log > > > writes, log forces, reservations, etc, but we don't actually have > > > any code that wakes for log IO to fully complete. We do that for all > > > other types of object, so why not iclogbufs? > > > > > > Well, it turns out that we can easily do this. We've got xfs_buf > > > handles, and that's what everyone else uses for IO serialisation. > > > i.e. bp->b_sema. So, lets hold iclogbufs locked over IO, and only > > > release the lock in xlog_iodone() when we are finished with the > > > buffer. That way before we tear down the iclog, we can lock and > > > unlock the buffer to ensure IO completion has finished completely > > > before we tear it down. > > > > > > > Thanks for the write up... > ..... > > On reading the code, my initial thought was that the source of this is > > the xlog_state_do_callback() call down in the shutdown path, when > > invoked from the log I/O completion handler. I think you pointed out in > > your previous reply that even if we were to make that call selective > > (e.g., based on whether the shutdown is due to a log error and thus we > > can expect xlog_state_do_callback() to be invoked), we still access > > relevant data structures after the ic_force_wait wait_queue is woken. > > Therefore, there would still be a race even if we bypassed the call from > > within the shutdown path in this particular case. > > > > The logic seems sane to me. I don't notice any issues. But my only > > question is why the use of locking, as opposed to wiring up use of > > b_iowait or something into the log I/O handler? > > Log IO is issued B_ASYNC, so the buffer IO completion handlers do > not issue wakeups to b_iowait waiters. And the iclogbufs are > uncached buffers, so we can't use the buffer cache waiting > mechanisms to wait for them, either. > Yeah, I noticed that the completion wouldn't fire as is since it appears that doesn't occur if a b_iodone call is provided. FWIW, the thought process was more to inherit the use of b_iowait in xlog_iodone(). > > I ask because it looks > > just a _bit_ funny to see the lock/unlock cycles used purely as a > > serialization mechanism. Do we use this kind of pattern in other places? > > Yes, in xfs_log_quiesce(), to wait on the superblock buffer IO > because: > > /* > * The superblock buffer is uncached and while xfs_ail_push_all_sync() > * will push it, xfs_wait_buftarg() will not wait for it. Further, > * xfs_buf_iowait() cannot be used because it was pushed with the > * XBF_ASYNC flag set, so we need to use a lock/unlock pair to wait for > * the IO to complete. > */ > > Which is exactly the same situation as the iclogbufs - uncached > buffers, B_ASYNC IO.... > Ok, thanks. I see the AIL is pushing buffers through the delwri interface, which means XBF_ASYNC and thus b_iowait is not fired. What I'm missing about this example is how this serializes xfs_log_quiesce() against I/O completion of the superblock... It looks like we (if necessary), grab/lock the sb at transaction commit time (xfs_trans_apply_sb_deltas()), make any modifications tracked by the transaction, log the sb buffer and commit the transaction. At that point, isn't the buffer lock released at iop_unlock() time..? My understanding is that this protects against concurrent access. So the super could be unlocked once the transaction is committed, we do a log sync, push the ail and do a wait_buftarg(). If the latter won't wait on sb_bp, what prevents the buf_lock from being acquired before the async write completes..? > > I guess on the other hand you could argue it protects the I/O in > > progress, and yet another wait_queue in this codepath might be overkill > > (so I like the use of an existing mechanism from that standpoint). > > Mostly I figured that we already have the same IO wait mechanism in > the log shutdown path for other buffers, so it seemed silly to add > waitqueues and other infrastructure for something that could be > handled very easily. It also makes the iclogs look like every other > buffer in the filesystem in that the buffer lock is held over IO. > When you point out that all buffers in the fs are locked over I/O, I suspect I'm missing something fundamental in the buffer I/O path. ;) Digging a little deeper, I see __xfs_buf_delwri_submit() takes the buffer lock and sends the buffer down for I/O. The lock is correspondingly released for XBF_ASYNC buffers in the xfs_buf_iodone_work() callback. So in the example used above, the sb can be locked, modifed, logged, committed and unlocked in the tp commit path. The log sync pushes everything to the log. The AIL push submits writes for all active items (thus acquiring sb_bp lock). The wait_buftarg() presumably waits for all cached buffers to write out and the sb_bp lock serializes against completion of the sb buffer individually. So in a sense, you've done what I was thinking about with regard to inheriting b_iowait into the log callback, just doing so with the locking mechanism instead. Only that appears to be more consistent with general buffer handling, given that the log buffer I/O is async... Reviewed-by: Brian Foster Brian > Cheers, > > Dave. > -- > Dave Chinner > david@fromorbit.com From tytso@thunk.org Tue Apr 15 10:36:57 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 0E4097F3F for ; Tue, 15 Apr 2014 10:36:57 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 98D9BAC001 for ; Tue, 15 Apr 2014 08:36:53 -0700 (PDT) X-ASG-Debug-ID: 1397576208-04cbb06e9c574b0001-NocioJ Received: from imap.thunk.org (imap.thunk.org [74.207.234.97]) by cuda.sgi.com with ESMTP id szHA7c2oxD8w81mE (version=TLSv1 cipher=AES128-SHA bits=128 verify=NO) for ; Tue, 15 Apr 2014 08:36:48 -0700 (PDT) X-Barracuda-Envelope-From: tytso@thunk.org X-Barracuda-Apparent-Source-IP: 74.207.234.97 Received: from root (helo=closure.thunk.org) by imap.thunk.org with local-esmtp (Exim 4.80) (envelope-from ) id 1Wa5Pg-0000x8-BB; Tue, 15 Apr 2014 15:36:44 +0000 Received: by closure.thunk.org (Postfix, from userid 15806) id C2F1B580893; Tue, 15 Apr 2014 11:36:43 -0400 (EDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=thunk.org; s=ef5046eb; t=1397576203; bh=lZX/9eKJhLjOQr7qp2/E7lu4szP6Xa2Qtv6r+Kq5pnk=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=qQ26WbSQYfPFtwBSz3JLaDAA01fdZB02eksMaM9hm9lRhn0y6zymjDvFt3iUV0frW o7sCR757LbQ3mqMNS+dvneJsJYQa22XRopCsY2PrbxxkxOkZaVLyVtZcmC4S346IUL CaSsw2TcfTLa8xkuqvLiHX6ClJyfGSeyl7JM/CYI= Date: Tue, 15 Apr 2014 11:36:43 -0400 From: Theodore Ts'o To: =?utf-8?B?THVrw6HFoQ==?= Czerner Cc: Christoph Hellwig , linux-fsdevel@vger.kernel.org, ceph-devel@vger.kernel.org, linux-ext4@vger.kernel.org, xfs@oss.sgi.com Subject: Re: [PATCH 3/4] fs: Remove i_size check from do_fallocate Message-ID: <20140415153643.GB4456@thunk.org> X-ASG-Orig-Subj: Re: [PATCH 3/4] fs: Remove i_size check from do_fallocate References: <1397242665-2183-1-git-send-email-lczerner@redhat.com> <1397242665-2183-3-git-send-email-lczerner@redhat.com> <20140412152117.GB18047@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: User-Agent: Mutt/1.5.23 (2014-03-12) X-SA-Exim-Connect-IP: X-SA-Exim-Mail-From: tytso@thunk.org X-SA-Exim-Scanned: No (on imap.thunk.org); SAEximRunCond expanded to false X-Barracuda-Connect: imap.thunk.org[74.207.234.97] X-Barracuda-Start-Time: 1397576208 X-Barracuda-Encrypted: AES128-SHA X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=DKIM_SIGNED, DKIM_VERIFIED X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4937 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- -0.00 DKIM_VERIFIED Domain Keys Identified Mail: signature passes verification 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature On Tue, Apr 15, 2014 at 03:10:38PM +0200, Lukáš Czerner wrote: > > I'll update the description and the subject. Lukáš, FYI, I'm waiting for your update(s) to these patches in response to Christoph's comments. I'd like to push a set of bugfixes to Linus, hopefully this week so they can make -rc2. Cheers, - Ted From fdmanana@gmail.com Tue Apr 15 10:43:30 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=FREEMAIL_FROM,T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 664AF7F3F for ; Tue, 15 Apr 2014 10:43:30 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id 06A87AC005 for ; Tue, 15 Apr 2014 08:43:29 -0700 (PDT) X-ASG-Debug-ID: 1397576606-04bdf0455458e40001-NocioJ Received: from mail-we0-f173.google.com (mail-we0-f173.google.com [74.125.82.173]) by cuda.sgi.com with ESMTP id 508rHVUSlLTGfcI3 (version=TLSv1 cipher=RC4-SHA bits=128 verify=NO) for ; Tue, 15 Apr 2014 08:43:27 -0700 (PDT) X-Barracuda-Envelope-From: fdmanana@gmail.com X-Barracuda-Apparent-Source-IP: 74.125.82.173 Received: by mail-we0-f173.google.com with SMTP id w61so9528993wes.4 for ; Tue, 15 Apr 2014 08:43:26 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:to:cc:subject:date:message-id; bh=BT8+ptO44LaQQsewSCF1F/OWY3FLLHDd7ZbTio2sv/E=; b=J6KzASxr2Weg7axX+MXNp8VOoMtRPueTUxV+kkwjZSd1BWRQw9wnc0XkESOTCp1CLO I0vvX3ZVYqDoQiXsEM/gORGVdVSilg6RHEXLbXiLho/W60gaCpXapBk0BZuRi4oO9xBO yHcnFP1G+lx8aXs3chle+th6RyUoqfs9/TtDezT3qg5+idNpiAONfvzYGCiYKo5z0ERt wine7LsvnNGQzVC4bFspmWF+o3DUa3gbLliTvjcQ6x89h39TCLD8SOR66/gTpWFdbTHc 18VKsd0EQzlejk+279qyA/ba2QYl6nF7wkvdjNKiDcxlZqZ2vTfqRlcYJ5z0S/IjBfFw 5tfw== X-Received: by 10.181.13.112 with SMTP id ex16mr14941259wid.23.1397576606393; Tue, 15 Apr 2014 08:43:26 -0700 (PDT) Received: from debian-vm3.lan (bl10-141-238.dsl.telepac.pt. [85.243.141.238]) by mx.google.com with ESMTPSA id vp5sm30195745wjc.31.2014.04.15.08.43.24 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Tue, 15 Apr 2014 08:43:25 -0700 (PDT) From: Filipe David Borba Manana To: xfs@oss.sgi.com Cc: linux-btrfs@vger.kernel.org, jbacik@fb.com, Filipe David Borba Manana Subject: [PATCH] xfstests: btrfs, test send's ability to punch holes and prealloc extents Date: Tue, 15 Apr 2014 17:43:21 +0100 X-ASG-Orig-Subj: [PATCH] xfstests: btrfs, test send's ability to punch holes and prealloc extents Message-Id: <1397580201-27475-1-git-send-email-fdmanana@gmail.com> X-Mailer: git-send-email 1.9.1 X-Barracuda-Connect: mail-we0-f173.google.com[74.125.82.173] X-Barracuda-Start-Time: 1397576607 X-Barracuda-Encrypted: RC4-SHA X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=DKIM_SIGNED, DKIM_VERIFIED X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4937 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- -0.00 DKIM_VERIFIED Domain Keys Identified Mail: signature passes verification 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature This test verifies that after an incremental btrfs send the replicated file has the same exact hole and data structure as in the origin filesystem. This didn't use to be the case before the send stream version 2 - holes were sent as write operations of 0 valued bytes instead of punching holes with the fallocate system call, and pre-allocated extents were sent as well as write operations of 0 valued bytes instead of intructions for the receiver to use the fallocate system call. Also checks that prealloc extents that lie beyond the file's size are replicated by an incremental send. Signed-off-by: Filipe David Borba Manana --- tests/btrfs/047 | 119 ++++++++++++++++++++++++++++++++++++++++++++++++++++ tests/btrfs/047.out | 57 +++++++++++++++++++++++++ tests/btrfs/group | 1 + 3 files changed, 177 insertions(+) create mode 100755 tests/btrfs/047 create mode 100644 tests/btrfs/047.out diff --git a/tests/btrfs/047 b/tests/btrfs/047 new file mode 100755 index 0000000..bf71595 --- /dev/null +++ b/tests/btrfs/047 @@ -0,0 +1,119 @@ +#! /bin/bash +# FS QA Test No. btrfs/047 +# +# Verify that after an incremental btrfs send the replicated file has +# the same exact hole and data structure as in the origin filesystem. +# This didn't use to be the case before the send stream version 2 - +# holes were sent as write operations of 0 valued bytes instead of punching +# holes with the fallocate system call, and pre-allocated extents were sent +# as well as write operations of 0 valued bytes instead of intructions for +# the receiver to use the fallocate system call. Also check that prealloc +# extents that lie beyond the file's size are replicated by an incremental +# send. +# +# More specifically, this structure preserving guarantee was added by the +# following linux kernel commits: +# +# Btrfs: send, use fallocate command to punch holes +# Btrfs: send, use fallocate command to allocate extents +# +#----------------------------------------------------------------------- +# Copyright (c) 2014 Filipe Manana. All Rights Reserved. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it would be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write the Free Software Foundation, +# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +#----------------------------------------------------------------------- +# + +seq=`basename $0` +seqres=$RESULT_DIR/$seq +echo "QA output created by $seq" + +tmp=/tmp/$$ +status=1 # failure is the default! +trap "_cleanup; exit \$status" 0 1 2 3 15 + +send_files_dir=$TEST_DIR/btrfs-test-$seq + +_cleanup() +{ + rm -fr $send_files_dir + rm -fr $tmp +} + +# get standard environment, filters and checks +. ./common/rc +. ./common/filter + +# real QA test starts here +_supported_fs btrfs +_supported_os Linux +_require_scratch +_require_fssum +_require_xfs_io_fiemap +_need_to_be_root + +rm -f $seqres.full +rm -fr $send_files_dir +mkdir $send_files_dir + +_scratch_mkfs >/dev/null 2>&1 +_scratch_mount + +$XFS_IO_PROG -f -c "pwrite -S 0x01 -b 300000 0 300000" $SCRATCH_MNT/foo \ + | _filter_xfs_io + +_run_btrfs_util_prog subvolume snapshot -r $SCRATCH_MNT $SCRATCH_MNT/mysnap1 + +$XFS_IO_PROG -c "fpunch 100000 50000" $SCRATCH_MNT/foo +$XFS_IO_PROG -c "falloc 100000 50000" $SCRATCH_MNT/foo +$XFS_IO_PROG -c "pwrite -S 0xff -b 1000 120000 1000" $SCRATCH_MNT/foo \ + | _filter_xfs_io +$XFS_IO_PROG -c "fpunch 250000 20000" $SCRATCH_MNT/foo + +$XFS_IO_PROG -c "falloc -k 300000 1000000" $SCRATCH_MNT/foo +$XFS_IO_PROG -c "falloc -k 9000000 2000000" $SCRATCH_MNT/foo + +_run_btrfs_util_prog subvolume snapshot -r $SCRATCH_MNT $SCRATCH_MNT/mysnap2 + +_run_btrfs_util_prog send $SCRATCH_MNT/mysnap1 -f $send_files_dir/1.snap +_run_btrfs_util_prog send -p $SCRATCH_MNT/mysnap1 $SCRATCH_MNT/mysnap2 \ + -f $send_files_dir/2.snap + +md5sum $SCRATCH_MNT/mysnap2/foo | _filter_scratch +# List all hole and data segments. +$XFS_IO_PROG -r -c "seek -r -a 0" $SCRATCH_MNT/mysnap2/foo +# List all extents, we're interested here in prealloc extents that lie beyond +# the file's size. +$XFS_IO_PROG -r -c "fiemap -l" $SCRATCH_MNT/mysnap2/foo | _filter_scratch + +_scratch_unmount +_check_scratch_fs + +_scratch_mkfs >/dev/null 2>&1 +_scratch_mount + +_run_btrfs_util_prog receive $SCRATCH_MNT -f $send_files_dir/1.snap +_run_btrfs_util_prog receive $SCRATCH_MNT -f $send_files_dir/2.snap + +md5sum $SCRATCH_MNT/mysnap2/foo | _filter_scratch +# List all hole and data segments. +$XFS_IO_PROG -r -c "seek -r -a 0" $SCRATCH_MNT/mysnap2/foo +# List all extents, we're interested here in prealloc extents that lie beyond +# the file's size. +$XFS_IO_PROG -r -c "fiemap -l" $SCRATCH_MNT/mysnap2/foo | _filter_scratch + +_check_scratch_fs + +status=0 +exit diff --git a/tests/btrfs/047.out b/tests/btrfs/047.out new file mode 100644 index 0000000..44e4546 --- /dev/null +++ b/tests/btrfs/047.out @@ -0,0 +1,57 @@ +QA output created by 047 +wrote 300000/300000 bytes at offset 0 +XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) +wrote 1000/1000 bytes at offset 120000 +XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) +5a88aa0da62c8999c16515050947a70a SCRATCH_MNT/mysnap2/foo +Whence Result +DATA 0 +HOLE 102400 +DATA 118784 +HOLE 122880 +DATA 147456 +HOLE 253952 +DATA 266240 +HOLE 300000 +SCRATCH_MNT/mysnap2/foo: + 0: [0..191]: 25088..25279 192 blocks + 1: [192..199]: 24576..24583 8 blocks + 2: [200..231]: 24592..24623 32 blocks + 3: [232..239]: 24688..24695 8 blocks + 4: [240..287]: 24632..24679 48 blocks + 5: [288..295]: 24584..24591 8 blocks + 6: [296..487]: 25384..25575 192 blocks + 7: [488..495]: 24696..24703 8 blocks + 8: [496..519]: hole 24 blocks + 9: [520..527]: 24704..24711 8 blocks + 10: [528..583]: 25616..25671 56 blocks + 11: [584..591]: 24712..24719 8 blocks + 12: [592..2543]: 26192..28143 1952 blocks + 13: [2544..17575]: hole 15032 blocks + 14: [17576..21487]: 28144..32055 3912 blocks +5a88aa0da62c8999c16515050947a70a SCRATCH_MNT/mysnap2/foo +Whence Result +DATA 0 +HOLE 102400 +DATA 118784 +HOLE 122880 +DATA 147456 +HOLE 253952 +DATA 266240 +HOLE 300000 +SCRATCH_MNT/mysnap2/foo: + 0: [0..191]: 25096..25287 192 blocks + 1: [192..199]: 24672..24679 8 blocks + 2: [200..231]: 24584..24615 32 blocks + 3: [232..239]: 24680..24687 8 blocks + 4: [240..287]: 24616..24663 48 blocks + 5: [288..295]: 24688..24695 8 blocks + 6: [296..487]: 25392..25583 192 blocks + 7: [488..495]: 24696..24703 8 blocks + 8: [496..519]: hole 24 blocks + 9: [520..527]: 24704..24711 8 blocks + 10: [528..583]: 25624..25679 56 blocks + 11: [584..591]: 24712..24719 8 blocks + 12: [592..2543]: 26192..28143 1952 blocks + 13: [2544..17575]: hole 15032 blocks + 14: [17576..21487]: 28144..32055 3912 blocks diff --git a/tests/btrfs/group b/tests/btrfs/group index 3a6d34e..d4e3fc1 100644 --- a/tests/btrfs/group +++ b/tests/btrfs/group @@ -49,3 +49,4 @@ 044 auto quick 045 auto quick 046 auto quick +047 auto quick -- 1.9.1 From lczerner@redhat.com Tue Apr 15 11:17:35 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 726227F3F for ; Tue, 15 Apr 2014 11:17:35 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 52BD730406B for ; Tue, 15 Apr 2014 09:17:32 -0700 (PDT) X-ASG-Debug-ID: 1397578651-04cb6c243659cc0001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id EOGSXvB41UlbeSA4 for ; Tue, 15 Apr 2014 09:17:31 -0700 (PDT) X-Barracuda-Envelope-From: lczerner@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx01.intmail.prod.int.phx2.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3FG9bVf032571 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Tue, 15 Apr 2014 12:09:38 -0400 Received: from dhcp-1-205.brq.redhat.com (dhcp-1-205.brq.redhat.com [10.34.1.205]) by int-mx01.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id s3FG9YfP013450 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Tue, 15 Apr 2014 12:09:36 -0400 Date: Tue, 15 Apr 2014 18:09:34 +0200 (CEST) From: =?ISO-8859-15?Q?Luk=E1=A8_Czerner?= X-X-Sender: lczerner@localhost.localdomain To: "Theodore Ts'o" cc: Christoph Hellwig , linux-fsdevel@vger.kernel.org, ceph-devel@vger.kernel.org, linux-ext4@vger.kernel.org, xfs@oss.sgi.com Subject: Re: [PATCH 3/4] fs: Remove i_size check from do_fallocate In-Reply-To: <20140415153643.GB4456@thunk.org> X-ASG-Orig-Subj: Re: [PATCH 3/4] fs: Remove i_size check from do_fallocate Message-ID: References: <1397242665-2183-1-git-send-email-lczerner@redhat.com> <1397242665-2183-3-git-send-email-lczerner@redhat.com> <20140412152117.GB18047@infradead.org> <20140415153643.GB4456@thunk.org> User-Agent: Alpine 2.00 (LFD 1167 2008-08-23) MIME-Version: 1.0 Content-Type: MULTIPART/MIXED; BOUNDARY="8323328-1907578942-1397578177=:2146" X-Scanned-By: MIMEDefang 2.67 on 10.5.11.11 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1397578651 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 This message is in MIME format. The first part should be readable text, while the remaining parts are likely unreadable without MIME-aware tools. --8323328-1907578942-1397578177=:2146 Content-Type: TEXT/PLAIN; charset=utf-8 Content-Transfer-Encoding: 8BIT On Tue, 15 Apr 2014, Theodore Ts'o wrote: > Date: Tue, 15 Apr 2014 11:36:43 -0400 > From: Theodore Ts'o > To: Lukáš Czerner > Cc: Christoph Hellwig , linux-fsdevel@vger.kernel.org, > ceph-devel@vger.kernel.org, linux-ext4@vger.kernel.org, xfs@oss.sgi.com > Subject: Re: [PATCH 3/4] fs: Remove i_size check from do_fallocate > > On Tue, Apr 15, 2014 at 03:10:38PM +0200, Lukáš Czerner wrote: > > > > I'll update the description and the subject. > > Lukáš, FYI, I'm waiting for your update(s) to these patches in > response to Christoph's comments. > > I'd like to push a set of bugfixes to Linus, hopefully this week so > they can make -rc2. > > Cheers, > > - Ted > Ok, I'll run some tests and resend it right away without the patch #4. Thanks! -Lukas --8323328-1907578942-1397578177=:2146-- From bfoster@redhat.com Tue Apr 15 11:18:30 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 607EE7F3F for ; Tue, 15 Apr 2014 11:18:30 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id 414B230406B for ; Tue, 15 Apr 2014 09:18:30 -0700 (PDT) X-ASG-Debug-ID: 1397578708-04bdf045535d0d0001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id 1fc2zkB9F4jg90tS for ; Tue, 15 Apr 2014 09:18:29 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx12.intmail.prod.int.phx2.redhat.com (int-mx12.intmail.prod.int.phx2.redhat.com [10.5.11.25]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3FGISci002008 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Tue, 15 Apr 2014 12:18:28 -0400 Received: from bfoster.bfoster ([10.18.41.237]) by int-mx12.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s3FGISJD022752 for ; Tue, 15 Apr 2014 12:18:28 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id 1EF97125740; Tue, 15 Apr 2014 12:18:27 -0400 (EDT) From: Brian Foster To: xfs@oss.sgi.com Subject: [PATCH v3 3/4] xfs: replace on-stack xfs_trans_res with pointer in xfs_create() Date: Tue, 15 Apr 2014 12:18:25 -0400 X-ASG-Orig-Subj: [PATCH v3 3/4] xfs: replace on-stack xfs_trans_res with pointer in xfs_create() Message-Id: <1397578706-5385-4-git-send-email-bfoster@redhat.com> In-Reply-To: <1397578706-5385-1-git-send-email-bfoster@redhat.com> References: <1397578706-5385-1-git-send-email-bfoster@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.25 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1397578709 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 There's no need to store a full struct xfs_trans_res on the stack in xfs_create() and copy the fields. Use a pointer to the appropriate structures embedded in the xfs_mount. Signed-off-by: Brian Foster --- fs/xfs/xfs_inode.c | 15 ++++++--------- 1 file changed, 6 insertions(+), 9 deletions(-) diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c index 0e63c7d..f8a232a 100644 --- a/fs/xfs/xfs_inode.c +++ b/fs/xfs/xfs_inode.c @@ -1158,7 +1158,7 @@ xfs_create( struct xfs_dquot *udqp = NULL; struct xfs_dquot *gdqp = NULL; struct xfs_dquot *pdqp = NULL; - struct xfs_trans_res tres; + struct xfs_trans_res *tres; uint resblks; trace_xfs_create(dp, name); @@ -1181,13 +1181,11 @@ xfs_create( if (is_dir) { rdev = 0; resblks = XFS_MKDIR_SPACE_RES(mp, name->len); - tres.tr_logres = M_RES(mp)->tr_mkdir.tr_logres; - tres.tr_logcount = XFS_MKDIR_LOG_COUNT; + tres = &M_RES(mp)->tr_mkdir; tp = xfs_trans_alloc(mp, XFS_TRANS_MKDIR); } else { resblks = XFS_CREATE_SPACE_RES(mp, name->len); - tres.tr_logres = M_RES(mp)->tr_create.tr_logres; - tres.tr_logcount = XFS_CREATE_LOG_COUNT; + tres = &M_RES(mp)->tr_create; tp = xfs_trans_alloc(mp, XFS_TRANS_CREATE); } @@ -1199,17 +1197,16 @@ xfs_create( * the case we'll drop the one we have and get a more * appropriate transaction later. */ - tres.tr_logflags = XFS_TRANS_PERM_LOG_RES; - error = xfs_trans_reserve(tp, &tres, resblks, 0); + error = xfs_trans_reserve(tp, tres, resblks, 0); if (error == ENOSPC) { /* flush outstanding delalloc blocks and retry */ xfs_flush_inodes(mp); - error = xfs_trans_reserve(tp, &tres, resblks, 0); + error = xfs_trans_reserve(tp, tres, resblks, 0); } if (error == ENOSPC) { /* No space at all so try a "no-allocation" reservation */ resblks = 0; - error = xfs_trans_reserve(tp, &tres, 0, 0); + error = xfs_trans_reserve(tp, tres, 0, 0); } if (error) { cancel_flags = 0; -- 1.8.3.1 From bfoster@redhat.com Tue Apr 15 11:18:30 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 7B7037F4E for ; Tue, 15 Apr 2014 11:18:30 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id 4FAD6304075 for ; Tue, 15 Apr 2014 09:18:30 -0700 (PDT) X-ASG-Debug-ID: 1397578708-04bdf045555d0e0001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id 0A4tstd8pS2p22FL for ; Tue, 15 Apr 2014 09:18:29 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx10.intmail.prod.int.phx2.redhat.com (int-mx10.intmail.prod.int.phx2.redhat.com [10.5.11.23]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3FGISix031910 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Tue, 15 Apr 2014 12:18:28 -0400 Received: from bfoster.bfoster ([10.18.41.237]) by int-mx10.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s3FGIS94024201 for ; Tue, 15 Apr 2014 12:18:28 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id 338BA125742; Tue, 15 Apr 2014 12:18:26 -0400 (EDT) From: Brian Foster To: xfs@oss.sgi.com Subject: [PATCH v3 1/4] xfs: fix tmpfile/selinux ilock deadlock Date: Tue, 15 Apr 2014 12:18:23 -0400 X-ASG-Orig-Subj: [PATCH v3 1/4] xfs: fix tmpfile/selinux ilock deadlock Message-Id: <1397578706-5385-2-git-send-email-bfoster@redhat.com> In-Reply-To: <1397578706-5385-1-git-send-email-bfoster@redhat.com> References: <1397578706-5385-1-git-send-email-bfoster@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.23 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1397578709 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 xfstests generic/004 reproduces an ilock deadlock using the tmpfile interface when selinux is enabled. This occurs because xfs_create_tmpfile() takes the ilock and then calls d_tmpfile(). The latter eventually calls into xfs_xattr_get() which attempts to get the lock again. E.g.: xfs_io D ffffffff81c134c0 4096 3561 3560 0x00000080 ffff8801176a1a68 0000000000000046 ffff8800b401b540 ffff8801176a1fd8 00000000001d5800 00000000001d5800 ffff8800b401b540 ffff8800b401b540 ffff8800b73a6bd0 fffffffeffffffff ffff8800b73a6bd8 ffff8800b5ddb480 Call Trace: [] schedule+0x29/0x70 [] rwsem_down_read_failed+0xc5/0x120 [] ? xfs_ilock_attr_map_shared+0x1f/0x50 [xfs] [] call_rwsem_down_read_failed+0x14/0x30 [] ? down_read_nested+0x89/0xa0 [] ? xfs_ilock+0x122/0x250 [xfs] [] xfs_ilock+0x122/0x250 [xfs] [] xfs_ilock_attr_map_shared+0x1f/0x50 [xfs] [] xfs_attr_get+0x90/0xe0 [xfs] [] xfs_xattr_get+0x37/0x50 [xfs] [] generic_getxattr+0x4f/0x70 [] inode_doinit_with_dentry+0x1ae/0x650 [] selinux_d_instantiate+0x1c/0x20 [] security_d_instantiate+0x1b/0x30 [] d_instantiate+0x50/0x70 [] d_tmpfile+0xb5/0xc0 [] xfs_create_tmpfile+0x362/0x410 [xfs] [] xfs_vn_tmpfile+0x18/0x20 [xfs] [] path_openat+0x228/0x6a0 [] ? sched_clock+0x9/0x10 [] ? kvm_clock_read+0x27/0x40 [] ? __alloc_fd+0xaf/0x1f0 [] do_filp_open+0x3a/0x90 [] ? _raw_spin_unlock+0x27/0x40 [] ? __alloc_fd+0xaf/0x1f0 [] do_sys_open+0x12e/0x210 [] SyS_open+0x1e/0x20 [] system_call_fastpath+0x16/0x1b Pull the d_tmpfile() call up into xfs_vn_tmpfile() after the transaction has been committed and the inode unlocked. This pattern is consistent with other dcache callers (e.g., d_instantiate()) in xfs_iops.c. Signed-off-by: Brian Foster --- fs/xfs/xfs_inode.c | 6 +++--- fs/xfs/xfs_inode.h | 4 ++-- fs/xfs/xfs_iops.c | 14 +++++++++++--- 3 files changed, 16 insertions(+), 8 deletions(-) diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c index 5e7a38f..0e63c7d 100644 --- a/fs/xfs/xfs_inode.c +++ b/fs/xfs/xfs_inode.c @@ -1333,8 +1333,8 @@ xfs_create( int xfs_create_tmpfile( struct xfs_inode *dp, - struct dentry *dentry, - umode_t mode) + umode_t mode, + struct xfs_inode **ipp) { struct xfs_mount *mp = dp->i_mount; struct xfs_inode *ip = NULL; @@ -1402,7 +1402,6 @@ xfs_create_tmpfile( xfs_qm_vop_create_dqattach(tp, ip, udqp, gdqp, pdqp); ip->i_d.di_nlink--; - d_tmpfile(dentry, VFS_I(ip)); error = xfs_iunlink(tp, ip); if (error) goto out_trans_abort; @@ -1415,6 +1414,7 @@ xfs_create_tmpfile( xfs_qm_dqrele(gdqp); xfs_qm_dqrele(pdqp); + *ipp = ip; return 0; out_trans_abort: diff --git a/fs/xfs/xfs_inode.h b/fs/xfs/xfs_inode.h index 396cc1f..4a612fd 100644 --- a/fs/xfs/xfs_inode.h +++ b/fs/xfs/xfs_inode.h @@ -333,8 +333,8 @@ int xfs_lookup(struct xfs_inode *dp, struct xfs_name *name, struct xfs_inode **ipp, struct xfs_name *ci_name); int xfs_create(struct xfs_inode *dp, struct xfs_name *name, umode_t mode, xfs_dev_t rdev, struct xfs_inode **ipp); -int xfs_create_tmpfile(struct xfs_inode *dp, struct dentry *dentry, - umode_t mode); +int xfs_create_tmpfile(struct xfs_inode *dp, umode_t mode, + struct xfs_inode **ipp); int xfs_remove(struct xfs_inode *dp, struct xfs_name *name, struct xfs_inode *ip); int xfs_link(struct xfs_inode *tdp, struct xfs_inode *sip, diff --git a/fs/xfs/xfs_iops.c b/fs/xfs/xfs_iops.c index 89b07e4..8fdbc38 100644 --- a/fs/xfs/xfs_iops.c +++ b/fs/xfs/xfs_iops.c @@ -1053,11 +1053,19 @@ xfs_vn_tmpfile( struct dentry *dentry, umode_t mode) { - int error; + int error; + struct xfs_inode *ip; + struct inode *inode; - error = xfs_create_tmpfile(XFS_I(dir), dentry, mode); + error = xfs_create_tmpfile(XFS_I(dir), mode, &ip); + if (unlikely(error)) + return -error; - return -error; + inode = VFS_I(ip); + + d_tmpfile(dentry, inode); + + return 0; } static const struct inode_operations xfs_inode_operations = { -- 1.8.3.1 From bfoster@redhat.com Tue Apr 15 11:18:33 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=T_FILL_THIS_FORM_SHORT autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 3EA677F57 for ; Tue, 15 Apr 2014 11:18:33 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 211CE8F8039 for ; Tue, 15 Apr 2014 09:18:30 -0700 (PDT) X-ASG-Debug-ID: 1397578709-04cb6c243759e20001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id pLq80DjTosXVOS4H for ; Tue, 15 Apr 2014 09:18:29 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx09.intmail.prod.int.phx2.redhat.com (int-mx09.intmail.prod.int.phx2.redhat.com [10.5.11.22]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3FGISbG002013 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Tue, 15 Apr 2014 12:18:28 -0400 Received: from bfoster.bfoster ([10.18.41.237]) by int-mx09.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s3FGISr1032336 for ; Tue, 15 Apr 2014 12:18:28 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id 3DDE512573F; Tue, 15 Apr 2014 12:18:27 -0400 (EDT) From: Brian Foster To: xfs@oss.sgi.com Subject: [PATCH v3 4/4] xfs: fold xfs_create_tmpfile() into xfs_create() Date: Tue, 15 Apr 2014 12:18:26 -0400 X-ASG-Orig-Subj: [PATCH v3 4/4] xfs: fold xfs_create_tmpfile() into xfs_create() Message-Id: <1397578706-5385-5-git-send-email-bfoster@redhat.com> In-Reply-To: <1397578706-5385-1-git-send-email-bfoster@redhat.com> References: <1397578706-5385-1-git-send-email-bfoster@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.22 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1397578709 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 xfs_create_tmpfile() duplicates most of xfs_create() with the exception of a couple minor differences. We use a unique transaction reservation and place the allocated inode on the unlinked list rather than create a directory entry for it. Fold xfs_create_tmpfile() into xfs_create() to reduce some of this duplication. The name parameter that represents the name of the directory entry to create is now conditional and its existence dictates whether a directory entry is created for the inode or not. Signed-off-by: Brian Foster --- fs/xfs/xfs_inode.c | 178 +++++++++++++---------------------------------------- fs/xfs/xfs_inode.h | 2 - fs/xfs/xfs_iops.c | 2 +- fs/xfs/xfs_trace.h | 7 ++- 4 files changed, 47 insertions(+), 142 deletions(-) diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c index f8a232a..d82bddf 100644 --- a/fs/xfs/xfs_inode.c +++ b/fs/xfs/xfs_inode.c @@ -1183,10 +1183,14 @@ xfs_create( resblks = XFS_MKDIR_SPACE_RES(mp, name->len); tres = &M_RES(mp)->tr_mkdir; tp = xfs_trans_alloc(mp, XFS_TRANS_MKDIR); - } else { + } else if (name) { resblks = XFS_CREATE_SPACE_RES(mp, name->len); tres = &M_RES(mp)->tr_create; tp = xfs_trans_alloc(mp, XFS_TRANS_CREATE); + } else { + resblks = XFS_IALLOC_SPACE_RES(mp); + tres = &M_RES(mp)->tr_create_tmpfile; + tp = xfs_trans_alloc(mp, XFS_TRANS_CREATE_TMPFILE); } cancel_flags = XFS_TRANS_RELEASE_LOG_RES; @@ -1213,9 +1217,6 @@ xfs_create( goto out_trans_cancel; } - xfs_ilock(dp, XFS_ILOCK_EXCL | XFS_ILOCK_PARENT); - unlock_dp_on_error = true; - xfs_bmap_init(&free_list, &first_block); /* @@ -1226,9 +1227,14 @@ xfs_create( if (error) goto out_trans_cancel; - error = xfs_dir_canenter(tp, dp, name, resblks); - if (error) - goto out_trans_cancel; + if (name) { + xfs_ilock(dp, XFS_ILOCK_EXCL | XFS_ILOCK_PARENT); + unlock_dp_on_error = true; + + error = xfs_dir_canenter(tp, dp, name, resblks); + if (error) + goto out_trans_cancel; + } /* * A newly created regular or special file just has one directory @@ -1243,34 +1249,41 @@ xfs_create( goto out_trans_abort; } - /* - * Now we join the directory inode to the transaction. We do not do it - * earlier because xfs_dir_ialloc might commit the previous transaction - * (and release all the locks). An error from here on will result in - * the transaction cancel unlocking dp so don't do it explicitly in the - * error path. - */ - xfs_trans_ijoin(tp, dp, XFS_ILOCK_EXCL); - unlock_dp_on_error = false; + if (name) { + /* + * Now we join the directory inode to the transaction. We do not + * do it earlier because xfs_dir_ialloc might commit the + * previous transaction (and release all the locks). An error + * from here on will result in the transaction cancel unlocking + * dp so don't do it explicitly in the error path. + */ + xfs_trans_ijoin(tp, dp, XFS_ILOCK_EXCL); + unlock_dp_on_error = false; - error = xfs_dir_createname(tp, dp, name, ip->i_ino, + error = xfs_dir_createname(tp, dp, name, ip->i_ino, &first_block, &free_list, resblks ? resblks - XFS_IALLOC_SPACE_RES(mp) : 0); - if (error) { - ASSERT(error != ENOSPC); - goto out_trans_abort; - } - xfs_trans_ichgtime(tp, dp, XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG); - xfs_trans_log_inode(tp, dp, XFS_ILOG_CORE); + if (error) { + ASSERT(error != ENOSPC); + goto out_trans_abort; + } + xfs_trans_ichgtime(tp, dp, XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG); + xfs_trans_log_inode(tp, dp, XFS_ILOG_CORE); - if (is_dir) { - error = xfs_dir_init(tp, ip, dp); - if (error) - goto out_bmap_cancel; + if (is_dir) { + error = xfs_dir_init(tp, ip, dp); + if (error) + goto out_bmap_cancel; - error = xfs_bumplink(tp, dp); + error = xfs_bumplink(tp, dp); + if (error) + goto out_bmap_cancel; + } + } else { + ip->i_d.di_nlink--; + error = xfs_iunlink(tp, ip); if (error) - goto out_bmap_cancel; + goto out_trans_abort; } /* @@ -1328,113 +1341,6 @@ xfs_create( } int -xfs_create_tmpfile( - struct xfs_inode *dp, - umode_t mode, - struct xfs_inode **ipp) -{ - struct xfs_mount *mp = dp->i_mount; - struct xfs_inode *ip = NULL; - struct xfs_trans *tp = NULL; - int error; - uint cancel_flags = XFS_TRANS_RELEASE_LOG_RES; - prid_t prid; - struct xfs_dquot *udqp = NULL; - struct xfs_dquot *gdqp = NULL; - struct xfs_dquot *pdqp = NULL; - struct xfs_trans_res *tres; - uint resblks; - - if (XFS_FORCED_SHUTDOWN(mp)) - return XFS_ERROR(EIO); - - prid = xfs_get_initial_prid(dp); - - /* - * Make sure that we have allocated dquot(s) on disk. - */ - error = xfs_qm_vop_dqalloc(dp, xfs_kuid_to_uid(current_fsuid()), - xfs_kgid_to_gid(current_fsgid()), prid, - XFS_QMOPT_QUOTALL | XFS_QMOPT_INHERIT, - &udqp, &gdqp, &pdqp); - if (error) - return error; - - resblks = XFS_IALLOC_SPACE_RES(mp); - tp = xfs_trans_alloc(mp, XFS_TRANS_CREATE_TMPFILE); - - tres = &M_RES(mp)->tr_create_tmpfile; - error = xfs_trans_reserve(tp, tres, resblks, 0); - if (error == ENOSPC) { - /* No space at all so try a "no-allocation" reservation */ - resblks = 0; - error = xfs_trans_reserve(tp, tres, 0, 0); - } - if (error) { - cancel_flags = 0; - goto out_trans_cancel; - } - - error = xfs_trans_reserve_quota(tp, mp, udqp, gdqp, - pdqp, resblks, 1, 0); - if (error) - goto out_trans_cancel; - - error = xfs_dir_ialloc(&tp, dp, mode, 1, 0, - prid, resblks > 0, &ip, NULL); - if (error) { - if (error == ENOSPC) - goto out_trans_cancel; - goto out_trans_abort; - } - - if (mp->m_flags & XFS_MOUNT_WSYNC) - xfs_trans_set_sync(tp); - - /* - * Attach the dquot(s) to the inodes and modify them incore. - * These ids of the inode couldn't have changed since the new - * inode has been locked ever since it was created. - */ - xfs_qm_vop_create_dqattach(tp, ip, udqp, gdqp, pdqp); - - ip->i_d.di_nlink--; - error = xfs_iunlink(tp, ip); - if (error) - goto out_trans_abort; - - error = xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES); - if (error) - goto out_release_inode; - - xfs_qm_dqrele(udqp); - xfs_qm_dqrele(gdqp); - xfs_qm_dqrele(pdqp); - - *ipp = ip; - return 0; - - out_trans_abort: - cancel_flags |= XFS_TRANS_ABORT; - out_trans_cancel: - xfs_trans_cancel(tp, cancel_flags); - out_release_inode: - /* - * Wait until after the current transaction is aborted to - * release the inode. This prevents recursive transactions - * and deadlocks from xfs_inactive. - */ - if (ip) - IRELE(ip); - - xfs_qm_dqrele(udqp); - xfs_qm_dqrele(gdqp); - xfs_qm_dqrele(pdqp); - - return error; -} - -int xfs_link( xfs_inode_t *tdp, xfs_inode_t *sip, diff --git a/fs/xfs/xfs_inode.h b/fs/xfs/xfs_inode.h index 4a612fd..5a7f81a 100644 --- a/fs/xfs/xfs_inode.h +++ b/fs/xfs/xfs_inode.h @@ -333,8 +333,6 @@ int xfs_lookup(struct xfs_inode *dp, struct xfs_name *name, struct xfs_inode **ipp, struct xfs_name *ci_name); int xfs_create(struct xfs_inode *dp, struct xfs_name *name, umode_t mode, xfs_dev_t rdev, struct xfs_inode **ipp); -int xfs_create_tmpfile(struct xfs_inode *dp, umode_t mode, - struct xfs_inode **ipp); int xfs_remove(struct xfs_inode *dp, struct xfs_name *name, struct xfs_inode *ip); int xfs_link(struct xfs_inode *tdp, struct xfs_inode *sip, diff --git a/fs/xfs/xfs_iops.c b/fs/xfs/xfs_iops.c index 2b1d1bd..f315a38 100644 --- a/fs/xfs/xfs_iops.c +++ b/fs/xfs/xfs_iops.c @@ -1057,7 +1057,7 @@ xfs_vn_tmpfile( struct xfs_inode *ip; struct inode *inode; - error = xfs_create_tmpfile(XFS_I(dir), mode, &ip); + error = xfs_create(XFS_I(dir), NULL, mode, 0, &ip); if (unlikely(error)) return -error; diff --git a/fs/xfs/xfs_trace.h b/fs/xfs/xfs_trace.h index a4ae41c..da46c94 100644 --- a/fs/xfs/xfs_trace.h +++ b/fs/xfs/xfs_trace.h @@ -691,13 +691,14 @@ DECLARE_EVENT_CLASS(xfs_namespace_class, __field(dev_t, dev) __field(xfs_ino_t, dp_ino) __field(int, namelen) - __dynamic_array(char, name, name->len) + __dynamic_array(char, name, name ? name->len : 0) ), TP_fast_assign( __entry->dev = VFS_I(dp)->i_sb->s_dev; __entry->dp_ino = dp->i_ino; - __entry->namelen = name->len; - memcpy(__get_str(name), name->name, name->len); + __entry->namelen = name ? name->len : 0; + if (name) + memcpy(__get_str(name), name->name, name->len); ), TP_printk("dev %d:%d dp ino 0x%llx name %.*s", MAJOR(__entry->dev), MINOR(__entry->dev), -- 1.8.3.1 From bfoster@redhat.com Tue Apr 15 11:18:33 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 7CA987F58 for ; Tue, 15 Apr 2014 11:18:33 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id 20188AC004 for ; Tue, 15 Apr 2014 09:18:30 -0700 (PDT) X-ASG-Debug-ID: 1397578708-04bdf045545d0d0001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id lZY0GQasLxGkvp6E for ; Tue, 15 Apr 2014 09:18:29 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx13.intmail.prod.int.phx2.redhat.com (int-mx13.intmail.prod.int.phx2.redhat.com [10.5.11.26]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3FGISFg005850 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Tue, 15 Apr 2014 12:18:28 -0400 Received: from bfoster.bfoster ([10.18.41.237]) by int-mx13.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s3FGISDt028528 for ; Tue, 15 Apr 2014 12:18:28 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id 0EA2A123917; Tue, 15 Apr 2014 12:18:26 -0400 (EDT) From: Brian Foster To: xfs@oss.sgi.com Subject: [PATCH v3 2/4] xfs: initialize inode security on tmpfile creation Date: Tue, 15 Apr 2014 12:18:24 -0400 X-ASG-Orig-Subj: [PATCH v3 2/4] xfs: initialize inode security on tmpfile creation Message-Id: <1397578706-5385-3-git-send-email-bfoster@redhat.com> In-Reply-To: <1397578706-5385-1-git-send-email-bfoster@redhat.com> References: <1397578706-5385-1-git-send-email-bfoster@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.26 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1397578709 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 Initialize security for inodes allocated via the tmpfile interface. This ensures security is initialized if the inode is subsequently linked back into the namespace. Signed-off-by: Brian Foster --- fs/xfs/xfs_iops.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/fs/xfs/xfs_iops.c b/fs/xfs/xfs_iops.c index 8fdbc38..2b1d1bd 100644 --- a/fs/xfs/xfs_iops.c +++ b/fs/xfs/xfs_iops.c @@ -1063,6 +1063,12 @@ xfs_vn_tmpfile( inode = VFS_I(ip); + error = xfs_init_security(inode, dir, &dentry->d_name); + if (unlikely(error)) { + iput(inode); + return -error; + } + d_tmpfile(dentry, inode); return 0; -- 1.8.3.1 From bfoster@redhat.com Tue Apr 15 11:18:33 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 846087F59 for ; Tue, 15 Apr 2014 11:18:33 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 17B84AC003 for ; Tue, 15 Apr 2014 09:18:30 -0700 (PDT) X-ASG-Debug-ID: 1397578708-04cbb06e9b5bbe0001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id iSIyo8Gi67Wc7pPM for ; Tue, 15 Apr 2014 09:18:29 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx12.intmail.prod.int.phx2.redhat.com (int-mx12.intmail.prod.int.phx2.redhat.com [10.5.11.25]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3FGIS01002009 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Tue, 15 Apr 2014 12:18:28 -0400 Received: from bfoster.bfoster ([10.18.41.237]) by int-mx12.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s3FGISXA022750 for ; Tue, 15 Apr 2014 12:18:28 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id E0454125741; Tue, 15 Apr 2014 12:18:26 -0400 (EDT) From: Brian Foster To: xfs@oss.sgi.com Subject: [PATCH v3 0/4] xfs: tmpfile fixes Date: Tue, 15 Apr 2014 12:18:22 -0400 X-ASG-Orig-Subj: [PATCH v3 0/4] xfs: tmpfile fixes Message-Id: <1397578706-5385-1-git-send-email-bfoster@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.25 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1397578708 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 Hi all, Here's a v3 series for the patches previously posted here: http://oss.sgi.com/archives/xfs/2014-04/msg00181.html Patches 1 and 2 are just a split-up of the v1 patch: http://oss.sgi.com/archives/xfs/2014-04/msg00149.html Note the v1 patch has a reviewed-by, so feel free to drop 1 and 2 here in favor of that version. Patches 3 and 4 are a couple cleanups in the xfs_create() path. Setting the default ACL is dropped until it is determined how that should be handled for tmpfile(). This means the xfs_iops.c refactor bits have been dropped as well. Brian v3: - Split up the deadlock fix and inode security initialization into separate patches. [hch] - Dropped the default ACL and associated refactor bits for now. [hch] - Split the xfs_create() tres and xfs_create_tmpfile() cleanups into separate patches. [hch] v2: - Added a generic create helper to inherit the security/acl init. code in the tmpfile path. - Added patch 2 to fold xfs_create_tmpfile() into xfs_create(). Brian Foster (4): xfs: fix tmpfile/selinux ilock deadlock xfs: initialize inode security on tmpfile creation xfs: replace on-stack xfs_trans_res with pointer in xfs_create() xfs: fold xfs_create_tmpfile() into xfs_create() fs/xfs/xfs_inode.c | 193 +++++++++++++---------------------------------------- fs/xfs/xfs_inode.h | 2 - fs/xfs/xfs_iops.c | 20 +++++- fs/xfs/xfs_trace.h | 7 +- 4 files changed, 69 insertions(+), 153 deletions(-) -- 1.8.3.1 From lczerner@redhat.com Tue Apr 15 11:41:23 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 6B88F7F3F for ; Tue, 15 Apr 2014 11:41:23 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 591568F8049 for ; Tue, 15 Apr 2014 09:41:23 -0700 (PDT) X-ASG-Debug-ID: 1397580081-04cbb06e9d5e480001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id bI3aUHoXAJZpwBWv for ; Tue, 15 Apr 2014 09:41:22 -0700 (PDT) X-Barracuda-Envelope-From: lczerner@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3FGfLCs009517 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 15 Apr 2014 12:41:21 -0400 Received: from localhost.localdomain.com (dhcp-1-205.brq.redhat.com [10.34.1.205]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s3FGfJDf009665; Tue, 15 Apr 2014 12:41:20 -0400 From: Lukas Czerner To: linux-fsdevel@vger.kernel.org Cc: linux-ext4@vger.kernel.org, xfs@oss.sgi.com, Lukas Czerner Subject: [PATCH 1/3 v2] ext4: Remove unnecessary check for APPEND and IMMUTABLE Date: Tue, 15 Apr 2014 18:41:14 +0200 X-ASG-Orig-Subj: [PATCH 1/3 v2] ext4: Remove unnecessary check for APPEND and IMMUTABLE Message-Id: <1397580076-19826-1-git-send-email-lczerner@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1397580082 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 All the checks IS_APPEND and IS_IMMUTABLE for the fallocate operation on the inode are done in vfs. No need to do this again in ext4. Remove it. Signed-off-by: Lukas Czerner --- v2: Nothing changed fs/ext4/extents.c | 6 ------ fs/ext4/inode.c | 6 +----- 2 files changed, 1 insertion(+), 11 deletions(-) diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c index 89f2227..0177150 100644 --- a/fs/ext4/extents.c +++ b/fs/ext4/extents.c @@ -5387,12 +5387,6 @@ int ext4_collapse_range(struct inode *inode, loff_t offset, loff_t len) /* Take mutex lock */ mutex_lock(&inode->i_mutex); - /* It's not possible punch hole on append only file */ - if (IS_APPEND(inode) || IS_IMMUTABLE(inode)) { - ret = -EPERM; - goto out_mutex; - } - if (IS_SWAPFILE(inode)) { ret = -ETXTBSY; goto out_mutex; diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index 1922f48..56f1ff4 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -3528,11 +3528,7 @@ int ext4_punch_hole(struct inode *inode, loff_t offset, loff_t length) } mutex_lock(&inode->i_mutex); - /* It's not possible punch hole on append only file */ - if (IS_APPEND(inode) || IS_IMMUTABLE(inode)) { - ret = -EPERM; - goto out_mutex; - } + if (IS_SWAPFILE(inode)) { ret = -ETXTBSY; goto out_mutex; -- 1.8.3.1 From lczerner@redhat.com Tue Apr 15 11:41:24 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id B598C7F3F for ; Tue, 15 Apr 2014 11:41:24 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 4979CAC002 for ; Tue, 15 Apr 2014 09:41:24 -0700 (PDT) X-ASG-Debug-ID: 1397580083-04cbb06e9a5e480001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id MXKoqdRhY59Ip5hJ for ; Tue, 15 Apr 2014 09:41:23 -0700 (PDT) X-Barracuda-Envelope-From: lczerner@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3FGfMj7009529 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 15 Apr 2014 12:41:23 -0400 Received: from localhost.localdomain.com (dhcp-1-205.brq.redhat.com [10.34.1.205]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s3FGfJDg009665; Tue, 15 Apr 2014 12:41:21 -0400 From: Lukas Czerner To: linux-fsdevel@vger.kernel.org Cc: linux-ext4@vger.kernel.org, xfs@oss.sgi.com, Lukas Czerner Subject: [PATCH 2/3 v2] fs: Prevent doing FALLOC_FL_ZERO_RANGE on append only file Date: Tue, 15 Apr 2014 18:41:15 +0200 X-ASG-Orig-Subj: [PATCH 2/3 v2] fs: Prevent doing FALLOC_FL_ZERO_RANGE on append only file Message-Id: <1397580076-19826-2-git-send-email-lczerner@redhat.com> In-Reply-To: <1397580076-19826-1-git-send-email-lczerner@redhat.com> References: <1397580076-19826-1-git-send-email-lczerner@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1397580083 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 Currently punch hole and collapse range fallocate operation are not allowed on append only file. This should be case for zero range as well. Fix it by allowing only pure fallocate (possibly with keep size set). Signed-off-by: Lukas Czerner --- v2: Change the condition to be future proof as suggested by hch fs/open.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/fs/open.c b/fs/open.c index 631aea81..fe48b2f 100644 --- a/fs/open.c +++ b/fs/open.c @@ -254,11 +254,9 @@ int do_fallocate(struct file *file, int mode, loff_t offset, loff_t len) return -EBADF; /* - * It's not possible to punch hole or perform collapse range - * on append only file + * We can only allow pure fallocate on append only files */ - if (mode & (FALLOC_FL_PUNCH_HOLE | FALLOC_FL_COLLAPSE_RANGE) - && IS_APPEND(inode)) + if (mode & ~FALLOC_FL_KEEP_SIZE && IS_APPEND(inode)) return -EPERM; if (IS_IMMUTABLE(inode)) -- 1.8.3.1 From lczerner@redhat.com Tue Apr 15 11:41:26 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 23DE97F52 for ; Tue, 15 Apr 2014 11:41:26 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id EBCA38F8039 for ; Tue, 15 Apr 2014 09:41:25 -0700 (PDT) X-ASG-Debug-ID: 1397580084-04bdf045525fb80001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id T2M8ve1sTSLfHUj5 for ; Tue, 15 Apr 2014 09:41:24 -0700 (PDT) X-Barracuda-Envelope-From: lczerner@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3FGfOmw013840 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 15 Apr 2014 12:41:24 -0400 Received: from localhost.localdomain.com (dhcp-1-205.brq.redhat.com [10.34.1.205]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s3FGfJDh009665; Tue, 15 Apr 2014 12:41:23 -0400 From: Lukas Czerner To: linux-fsdevel@vger.kernel.org Cc: linux-ext4@vger.kernel.org, xfs@oss.sgi.com, Lukas Czerner Subject: [PATCH 3/3 v2] fs: move falloc collapse range check into the filesystem methods Date: Tue, 15 Apr 2014 18:41:16 +0200 X-ASG-Orig-Subj: [PATCH 3/3 v2] fs: move falloc collapse range check into the filesystem methods Message-Id: <1397580076-19826-3-git-send-email-lczerner@redhat.com> In-Reply-To: <1397580076-19826-1-git-send-email-lczerner@redhat.com> References: <1397580076-19826-1-git-send-email-lczerner@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1397580084 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 Currently in do_fallocate in collapse range case we're checking whether offset + len is not bigger than i_size. However there is nothing which would prevent i_size from changing so the check is pointless. It should be done in the file system itself and the file system needs to make sure that i_size is not going to change. The i_size check for the other fallocate modes are also done in the filesystems. As it is now we can easily crash kernel by having two processes doing truncate and fallocate collapse range at the same time. This can be reproduced on ext4 and it is theoretically possible on xfs even though I was not able to trigger it with this simple test. This commit removes the check from do_fallocate and adds it to the file system. Signed-off-by: Lukas Czerner Acked-by: Dave Chinner Reviewed-by: Christoph Hellwig --- v2: Update description and change subject as suggested by hch fs/ext4/extents.c | 11 +++++++++-- fs/open.c | 8 -------- fs/xfs/xfs_file.c | 10 +++++++++- 3 files changed, 18 insertions(+), 11 deletions(-) diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c index 0177150..ff823b7 100644 --- a/fs/ext4/extents.c +++ b/fs/ext4/extents.c @@ -5364,8 +5364,6 @@ int ext4_collapse_range(struct inode *inode, loff_t offset, loff_t len) loff_t new_size; int ret; - BUG_ON(offset + len > i_size_read(inode)); - /* Collapse range works only on fs block size aligned offsets. */ if (offset & (EXT4_BLOCK_SIZE(sb) - 1) || len & (EXT4_BLOCK_SIZE(sb) - 1)) @@ -5387,6 +5385,15 @@ int ext4_collapse_range(struct inode *inode, loff_t offset, loff_t len) /* Take mutex lock */ mutex_lock(&inode->i_mutex); + /* + * There is no need to overlap collapse range with EOF, in which case + * it is effectively a truncate operation + */ + if (offset + len >= i_size_read(inode)) { + ret = -EINVAL; + goto out_mutex; + } + if (IS_SWAPFILE(inode)) { ret = -ETXTBSY; goto out_mutex; diff --git a/fs/open.c b/fs/open.c index fe48b2f..bd42341 100644 --- a/fs/open.c +++ b/fs/open.c @@ -284,14 +284,6 @@ int do_fallocate(struct file *file, int mode, loff_t offset, loff_t len) if (((offset + len) > inode->i_sb->s_maxbytes) || ((offset + len) < 0)) return -EFBIG; - /* - * There is no need to overlap collapse range with EOF, in which case - * it is effectively a truncate operation - */ - if ((mode & FALLOC_FL_COLLAPSE_RANGE) && - (offset + len >= i_size_read(inode))) - return -EINVAL; - if (!file->f_op->fallocate) return -EOPNOTSUPP; diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c index 003c005..4ba0ae9 100644 --- a/fs/xfs/xfs_file.c +++ b/fs/xfs/xfs_file.c @@ -840,7 +840,15 @@ xfs_file_fallocate( goto out_unlock; } - ASSERT(offset + len < i_size_read(inode)); + /* + * There is no need to overlap collapse range with EOF, + * in which case it is effectively a truncate operation + */ + if (offset + len >= i_size_read(inode)) { + error = -EINVAL; + goto out_unlock; + } + new_size = i_size_read(inode) - len; error = xfs_collapse_file_space(ip, offset, len); -- 1.8.3.1 From web27@ares50.topway.ch Tue Apr 15 12:14:03 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: *** X-Spam-Status: No, score=3.0 required=5.0 tests=FORGED_MUA_THEBAT_BOUN, FREEMAIL_FROM,HTML_MESSAGE autolearn=no version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id ABA787F3F for ; Tue, 15 Apr 2014 12:14:03 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 9C2DA8F8037 for ; Tue, 15 Apr 2014 10:14:00 -0700 (PDT) X-ASG-Debug-ID: 1397582036-04cb6c24365e7b0001-NocioJ Received: from ares50.topway.ch (ares50.topway.ch [82.220.34.159]) by cuda.sgi.com with ESMTP id DloRd3stcs1YPWLf for ; Tue, 15 Apr 2014 10:13:57 -0700 (PDT) X-Barracuda-Envelope-From: web27@ares50.topway.ch X-Barracuda-Apparent-Source-IP: 82.220.34.159 Received: by ares50.topway.ch (Postfix, from userid 768) id D80DA1BBFE85; Tue, 15 Apr 2014 18:14:29 +0200 (CEST) To: , , , , , , , , , , , , , , , , , , , Subject: =?windows-1251?B?0ejx8uXs4CBCYW5jQm90IJYg7/Du8fLu6SDo?= =?windows-1251?B?IOTu8fLz7+376SDn4PDg4e7y7uog4iDo7fLl?= =?windows-1251?B?8O3l8uUhIMTu9e7kICQxNTAg4iD34PEg6CDi?= =?windows-1251?B?+/jlIQ==?= X-PHP-Originating-Script: 768:brtiffv.php X-ASG-Orig-Subj: =?windows-1251?B?0ejx8uXs4CBCYW5jQm90IJYg7/Du8fLu6SDo?= =?windows-1251?B?IOTu8fLz7+376SDn4PDg4e7y7uog4iDo7fLl?= =?windows-1251?B?8O3l8uUhIMTu9e7kICQxNTAg4iD34PEg6CDi?= =?windows-1251?B?+/jlIQ==?= Date: Tue, 15 Apr 2014 20:03:52 +0400 X-Mailer: The Bat! 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------=_NextPart_000_12C5_01CF58E7.4CDE9920-- From BATV+652ed24fe461ba827d99+3887+infradead.org+hch@bombadil.srs.infradead.org Tue Apr 15 12:47:10 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 80A8C7F3F for ; Tue, 15 Apr 2014 12:47:09 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id 6221D30407B for ; Tue, 15 Apr 2014 10:47:06 -0700 (PDT) X-ASG-Debug-ID: 1397584021-04bdf0455463050001-NocioJ Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) by cuda.sgi.com with ESMTP id xoKYksGGZo3xuLlC (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Tue, 15 Apr 2014 10:47:01 -0700 (PDT) X-Barracuda-Envelope-From: BATV+652ed24fe461ba827d99+3887+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.80.1 #2 (Red Hat Linux)) id 1Wa7Rl-00075Z-8y; Tue, 15 Apr 2014 17:47:01 +0000 Date: Tue, 15 Apr 2014 10:47:01 -0700 From: Christoph Hellwig To: Brian Foster Cc: xfs@oss.sgi.com Subject: Re: [PATCH v3 1/4] xfs: fix tmpfile/selinux ilock deadlock Message-ID: <20140415174701.GA26404@infradead.org> X-ASG-Orig-Subj: Re: [PATCH v3 1/4] xfs: fix tmpfile/selinux ilock deadlock References: <1397578706-5385-1-git-send-email-bfoster@redhat.com> <1397578706-5385-2-git-send-email-bfoster@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1397578706-5385-2-git-send-email-bfoster@redhat.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html X-Barracuda-Connect: bombadil.infradead.org[198.137.202.9] X-Barracuda-Start-Time: 1397584021 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4940 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- Looks good, Reviewed-by: Christoph Hellwig From BATV+652ed24fe461ba827d99+3887+infradead.org+hch@bombadil.srs.infradead.org Tue Apr 15 12:50:36 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 6CAAF7F3F for ; Tue, 15 Apr 2014 12:50:36 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id F1B75AC002 for ; Tue, 15 Apr 2014 10:50:35 -0700 (PDT) X-ASG-Debug-ID: 1397584233-04cbb06e9a61e30001-NocioJ Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) by cuda.sgi.com with ESMTP id oM2yGY3bZb0MxXpp (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Tue, 15 Apr 2014 10:50:33 -0700 (PDT) X-Barracuda-Envelope-From: BATV+652ed24fe461ba827d99+3887+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.80.1 #2 (Red Hat Linux)) id 1Wa7VB-0000iq-8E; Tue, 15 Apr 2014 17:50:33 +0000 Date: Tue, 15 Apr 2014 10:50:33 -0700 From: Christoph Hellwig To: Brian Foster Cc: xfs@oss.sgi.com, linux-security-module@vger.kernel.org, linux-fsdevel@vger.kernel.org Subject: Re: [PATCH v3 2/4] xfs: initialize inode security on tmpfile creation Message-ID: <20140415175033.GB26404@infradead.org> X-ASG-Orig-Subj: Re: [PATCH v3 2/4] xfs: initialize inode security on tmpfile creation References: <1397578706-5385-1-git-send-email-bfoster@redhat.com> <1397578706-5385-3-git-send-email-bfoster@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1397578706-5385-3-git-send-email-bfoster@redhat.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html X-Barracuda-Connect: bombadil.infradead.org[198.137.202.9] X-Barracuda-Start-Time: 1397584233 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4941 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Tue, Apr 15, 2014 at 12:18:24PM -0400, Brian Foster wrote: > + error = xfs_init_security(inode, dir, &dentry->d_name); > + if (unlikely(error)) { > + iput(inode); > + return -error; > + } > + > d_tmpfile(dentry, inode); > I'd really love to hear from the LSM people who they plan to deal with O_TMPFILE inodes. But given that this seems to fix a real life bug let's go with it for now. From BATV+652ed24fe461ba827d99+3887+infradead.org+hch@bombadil.srs.infradead.org Tue Apr 15 12:50:52 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 4B9F07F3F for ; Tue, 15 Apr 2014 12:50:52 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id 2BD9E304071 for ; Tue, 15 Apr 2014 10:50:52 -0700 (PDT) X-ASG-Debug-ID: 1397584251-04cbb06e9c61e60001-NocioJ Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) by cuda.sgi.com with ESMTP id M0GWztbQWjQnkOvq (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Tue, 15 Apr 2014 10:50:51 -0700 (PDT) X-Barracuda-Envelope-From: BATV+652ed24fe461ba827d99+3887+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.80.1 #2 (Red Hat Linux)) id 1Wa7VT-0000on-3r; Tue, 15 Apr 2014 17:50:51 +0000 Date: Tue, 15 Apr 2014 10:50:51 -0700 From: Christoph Hellwig To: Brian Foster Cc: xfs@oss.sgi.com Subject: Re: [PATCH v3 3/4] xfs: replace on-stack xfs_trans_res with pointer in xfs_create() Message-ID: <20140415175051.GC26404@infradead.org> X-ASG-Orig-Subj: Re: [PATCH v3 3/4] xfs: replace on-stack xfs_trans_res with pointer in xfs_create() References: <1397578706-5385-1-git-send-email-bfoster@redhat.com> <1397578706-5385-4-git-send-email-bfoster@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1397578706-5385-4-git-send-email-bfoster@redhat.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html X-Barracuda-Connect: bombadil.infradead.org[198.137.202.9] X-Barracuda-Start-Time: 1397584251 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4941 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Tue, Apr 15, 2014 at 12:18:25PM -0400, Brian Foster wrote: > There's no need to store a full struct xfs_trans_res on the stack in > xfs_create() and copy the fields. Use a pointer to the appropriate > structures embedded in the xfs_mount. > > Signed-off-by: Brian Foster Looks good, Reviewed-by: Christoph Hellwig From BATV+652ed24fe461ba827d99+3887+infradead.org+hch@bombadil.srs.infradead.org Tue Apr 15 12:51:31 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 95FBB7F3F for ; Tue, 15 Apr 2014 12:51:31 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id 47CDFAC002 for ; Tue, 15 Apr 2014 10:51:31 -0700 (PDT) X-ASG-Debug-ID: 1397584290-04bdf04555632e0001-NocioJ Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) by cuda.sgi.com with ESMTP id bKKR43tOUuO29iyv (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Tue, 15 Apr 2014 10:51:30 -0700 (PDT) X-Barracuda-Envelope-From: BATV+652ed24fe461ba827d99+3887+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.80.1 #2 (Red Hat Linux)) id 1Wa7W6-00011I-8q; Tue, 15 Apr 2014 17:51:30 +0000 Date: Tue, 15 Apr 2014 10:51:30 -0700 From: Christoph Hellwig To: Brian Foster Cc: xfs@oss.sgi.com Subject: Re: [PATCH v3 4/4] xfs: fold xfs_create_tmpfile() into xfs_create() Message-ID: <20140415175130.GD26404@infradead.org> X-ASG-Orig-Subj: Re: [PATCH v3 4/4] xfs: fold xfs_create_tmpfile() into xfs_create() References: <1397578706-5385-1-git-send-email-bfoster@redhat.com> <1397578706-5385-5-git-send-email-bfoster@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1397578706-5385-5-git-send-email-bfoster@redhat.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html X-Barracuda-Connect: bombadil.infradead.org[198.137.202.9] X-Barracuda-Start-Time: 1397584290 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4941 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Tue, Apr 15, 2014 at 12:18:26PM -0400, Brian Foster wrote: > xfs_create_tmpfile() duplicates most of xfs_create() with the exception > of a couple minor differences. We use a unique transaction reservation > and place the allocated inode on the unlinked list rather than create a > directory entry for it. > > Fold xfs_create_tmpfile() into xfs_create() to reduce some of this > duplication. The name parameter that represents the name of the > directory entry to create is now conditional and its existence dictates > whether a directory entry is created for the inode or not. > > Signed-off-by: Brian Foster Looks correct although I still can't get excited about it.. Reviewed-by: Christoph Hellwig From BATV+652ed24fe461ba827d99+3887+infradead.org+hch@bombadil.srs.infradead.org Tue Apr 15 12:52:32 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 4BE077F3F for ; Tue, 15 Apr 2014 12:52:32 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 396E830404E for ; Tue, 15 Apr 2014 10:52:32 -0700 (PDT) X-ASG-Debug-ID: 1397584350-04cb6c243860270001-NocioJ Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) by cuda.sgi.com with ESMTP id Gz8GtEkySAKhR94z (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Tue, 15 Apr 2014 10:52:30 -0700 (PDT) X-Barracuda-Envelope-From: BATV+652ed24fe461ba827d99+3887+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.80.1 #2 (Red Hat Linux)) id 1Wa7X2-0001L5-1J; Tue, 15 Apr 2014 17:52:28 +0000 Date: Tue, 15 Apr 2014 10:52:28 -0700 From: Christoph Hellwig To: Brian Foster Cc: linux-man@vger.kernel.org, Andreas Gruenbacher , xfs@oss.sgi.com, linux-security-module@vger.kernel.org, Al Viro , linux-fsdevel@vger.kernel.org, linux-ext4@vger.kernel.org Subject: Re: [PATCH v2 1/2] xfs: fix tmpfile/selinux deadlock and initialize security/acl Message-ID: <20140415175228.GE26404@infradead.org> X-ASG-Orig-Subj: Re: [PATCH v2 1/2] xfs: fix tmpfile/selinux deadlock and initialize security/acl References: <1397071311-28371-1-git-send-email-bfoster@redhat.com> <1397071311-28371-2-git-send-email-bfoster@redhat.com> <20140410102421.GA17641@infradead.org> <20140410121947.GA14124@bfoster.bfoster> <20140410122944.GA6579@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140410122944.GA6579@infradead.org> User-Agent: Mutt/1.5.21 (2010-09-15) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html X-Barracuda-Connect: bombadil.infradead.org[198.137.202.9] X-Barracuda-Start-Time: 1397584350 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4941 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- So any opinions from other fs / security people on how O_TMPFILE files should behave for ACL inheritance / labeling? On Thu, Apr 10, 2014 at 05:29:44AM -0700, Christoph Hellwig wrote: > On Thu, Apr 10, 2014 at 08:19:48AM -0400, Brian Foster wrote: > > Are you saying it doesn't have to initialize security or the default > > acl, or both? > > The ACLs for sure. LSM do run-time access decisions, so they will > probably rely on the security data being initialized. Given that > O_TMPFILE files aren't publicly available I'm not sure there's a point > in them doing that, though. > > LSMs are also affected by the lack of a proper parent I'll discuss for > ACLs below. > > > The intent here was to have the case covered where the inode happens to > > be linked back into the namespace since we don't do this work in the > > link path. > > That's an interesting one. O_TMFILE files don't have a real parent > to inherit ACLs from, the pathname passed in just needs to point to > a directory to find the filesystem to create the tmpfile in. On > the other hand it seem like the extN implementations do inherity the > ACL in this case. > > The link into the namespace is irrelavant here as ACL inheritance only > happens on initial create, not at link time. > > I also think we'll absolutely need a test case for ACLs+tmpfile to > make sure all filesystems handle it the same way. > > > The bulk of the refactoring was with the idea that the inode setup for > > the tmpfile case is generally equivalent for the traditional create > > case. The original version was posted here: > > > > http://oss.sgi.com/archives/xfs/2014-04/msg00149.html > > > > ... and it just fixes the deadlock and adds the security initialization. > > I suppose I could still break that out into multiple patches, but that > > aside, is that behavior preferred? > > I think just fixing the deadlock and initializing the security is enough > for the first pass. If you want to do the refactoring on top send it as > a second series on top of the actual fixes. > > _______________________________________________ > xfs mailing list > xfs@oss.sgi.com > http://oss.sgi.com/mailman/listinfo/xfs ---end quoted text--- From fdmanana@gmail.com Tue Apr 15 13:50:32 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=FREEMAIL_FROM,T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 4DEA77F3F for ; Tue, 15 Apr 2014 13:50:32 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id 019CBAC001 for ; Tue, 15 Apr 2014 11:50:28 -0700 (PDT) X-ASG-Debug-ID: 1397587824-04bdf0455465550001-NocioJ Received: from mail-wg0-f49.google.com (mail-wg0-f49.google.com [74.125.82.49]) by cuda.sgi.com with ESMTP id h8JqOkRyBGj1GCPH (version=TLSv1 cipher=RC4-SHA bits=128 verify=NO) for ; Tue, 15 Apr 2014 11:50:26 -0700 (PDT) X-Barracuda-Envelope-From: fdmanana@gmail.com X-Barracuda-Apparent-Source-IP: 74.125.82.49 Received: by mail-wg0-f49.google.com with SMTP id a1so10031415wgh.20 for ; Tue, 15 Apr 2014 11:50:24 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:to:cc:subject:date:message-id; bh=vLE5qaipLR769AnuzbYQlV33FfIyE+1TXTmpQutEPCM=; b=cteuTBmWiwrPowC4KrY07w8GQl72wSL5NeJEpsADWxJcxM5+eXEtkF3KYO1bGr8WTP olTBTa7lOm50UNXwbbxF0Yq7ixIUVXKL8aA9XWcaiWl+PZnWUa8IVuOfufp5s1v0cYci 84gbFPR0asUG8c7XZMjX3Zshxz1OgOSoPqAf114aH54+rWxRg8XF3PxAhkoR2lSRSPal prAQAa08+P0gnBP8IS6QbiiPDI1PfZHAnWnKvUe8fWlb8qHMvtnCqm3pxIe1of9tQkwc VZVq+nubKDbLgUHXZsnrL5q2olbPiXhr8osaj371ICugF5Abksr92V97HG/jwZTj7unr I0qw== X-Received: by 10.180.211.207 with SMTP id ne15mr15608197wic.31.1397587823980; Tue, 15 Apr 2014 11:50:23 -0700 (PDT) Received: from debian-vm3.lan (bl10-141-238.dsl.telepac.pt. [85.243.141.238]) by mx.google.com with ESMTPSA id rx9sm30836690wjb.20.2014.04.15.11.50.22 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Tue, 15 Apr 2014 11:50:23 -0700 (PDT) From: Filipe David Borba Manana To: xfs@oss.sgi.com Cc: linux-btrfs@vger.kernel.org, jbacik@fb.com, Filipe David Borba Manana Subject: [PATCH] xfstests: btrfs, add test for btrfs properties Date: Tue, 15 Apr 2014 20:50:24 +0100 X-ASG-Orig-Subj: [PATCH] xfstests: btrfs, add test for btrfs properties Message-Id: <1397591424-25439-1-git-send-email-fdmanana@gmail.com> X-Mailer: git-send-email 1.9.1 X-Barracuda-Connect: mail-wg0-f49.google.com[74.125.82.49] X-Barracuda-Start-Time: 1397587826 X-Barracuda-Encrypted: RC4-SHA X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=DKIM_SIGNED, DKIM_VERIFIED X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4943 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- -0.00 DKIM_VERIFIED Domain Keys Identified Mail: signature passes verification 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature This test case verifies the btrfs properties feature, a new feature introduced in the linux kernel version 3.14. Signed-off-by: Filipe David Borba Manana --- common/rc | 9 +++ tests/btrfs/048 | 220 ++++++++++++++++++++++++++++++++++++++++++++++++++++ tests/btrfs/048.out | 78 +++++++++++++++++++ tests/btrfs/group | 1 + 4 files changed, 308 insertions(+) create mode 100755 tests/btrfs/048 create mode 100644 tests/btrfs/048.out diff --git a/common/rc b/common/rc index acf419b..d4ba74f 100644 --- a/common/rc +++ b/common/rc @@ -2262,6 +2262,15 @@ _run_btrfs_util_prog() run_check $BTRFS_UTIL_PROG $* } +_require_btrfs_properties() +{ + $BTRFS_UTIL_PROG | grep 'btrfs property ' > /dev/null 2>&1 + if [ $? -ne 0 ] + then + _notrun "Missing btrfs-progs with properties support, skipped this test" + fi +} + init_rc() { if [ "$iam" == new ] diff --git a/tests/btrfs/048 b/tests/btrfs/048 new file mode 100755 index 0000000..7e2ff50 --- /dev/null +++ b/tests/btrfs/048 @@ -0,0 +1,220 @@ +#! /bin/bash +# FS QA Test No. btrfs/048 +# +# Btrfs properties test. The btrfs properties feature was introduced in the +# linux kernel 3.14. +# +#----------------------------------------------------------------------- +# Copyright (c) 2014 Filipe Manana. All Rights Reserved. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it would be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write the Free Software Foundation, +# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +#----------------------------------------------------------------------- +# + +seq=`basename $0` +seqres=$RESULT_DIR/$seq +echo "QA output created by $seq" + +here="`pwd`" +tmp=/tmp/$$ + +status=1 # failure is the default! +trap "_cleanup; exit \$status" 0 1 2 3 15 + +send_files_dir=$TEST_DIR/btrfs-test-$seq + +_cleanup() +{ + rm -fr $send_files_dir + rm -fr $tmp +} + +# get standard environment, filters and checks +. ./common/rc +. ./common/filter + +# real QA test starts here +_supported_fs btrfs +_supported_os Linux +_require_scratch +_require_btrfs_properties +_need_to_be_root + +rm -f $seqres.full +rm -fr $send_files_dir +mkdir $send_files_dir + +_scratch_mkfs >/dev/null 2>&1 +_scratch_mount + +echo "Testing label property" +$BTRFS_UTIL_PROG property get $SCRATCH_MNT label +echo "***" +$BTRFS_UTIL_PROG property set $SCRATCH_MNT label foobar +$BTRFS_UTIL_PROG property get $SCRATCH_MNT label +echo "***" +$BTRFS_UTIL_PROG property get $SCRATCH_MNT +echo "***" +$BTRFS_UTIL_PROG property set $SCRATCH_MNT label '' +$BTRFS_UTIL_PROG property get $SCRATCH_MNT label +echo "***" +mkdir $SCRATCH_MNT/testdir +$BTRFS_UTIL_PROG property get $SCRATCH_MNT/testdir label +echo "***" + +echo -e "\nTesting subvolume ro property" +_run_btrfs_util_prog subvolume create $SCRATCH_MNT/sv1 +$BTRFS_UTIL_PROG property get $SCRATCH_MNT/sv1 ro +echo "***" +$BTRFS_UTIL_PROG property set $SCRATCH_MNT/sv1 ro foo +echo "***" +$BTRFS_UTIL_PROG property set $SCRATCH_MNT/sv1 ro true +echo "***" +$BTRFS_UTIL_PROG property get $SCRATCH_MNT/sv1 ro +echo "***" +touch $SCRATCH_MNT/sv1/foobar 2>&1 | _filter_scratch +echo "***" +$BTRFS_UTIL_PROG property set $SCRATCH_MNT/sv1 ro false +touch $SCRATCH_MNT/sv1/foobar 2>&1 | _filter_scratch +$BTRFS_UTIL_PROG property get $SCRATCH_MNT/sv1 +echo "***" + +echo -e "\nTesting compression property" +mkdir $SCRATCH_MNT/testdir/subdir1 +touch $SCRATCH_MNT/testdir/file1 +$BTRFS_UTIL_PROG property get $SCRATCH_MNT/testdir/file1 compression +$BTRFS_UTIL_PROG property get $SCRATCH_MNT/testdir/subdir1 compression +echo "***" +$BTRFS_UTIL_PROG property set $SCRATCH_MNT/testdir/file1 compression \ + foo 2>&1 | _filter_scratch +echo "***" +$BTRFS_UTIL_PROG property set $SCRATCH_MNT/testdir/file1 compression lzo +$BTRFS_UTIL_PROG property get $SCRATCH_MNT/testdir/file1 compression + +# Verify property was persisted. +_scratch_unmount +_check_scratch_fs +_scratch_mount +$BTRFS_UTIL_PROG property get $SCRATCH_MNT/testdir/file1 compression +$BTRFS_UTIL_PROG property set $SCRATCH_MNT/testdir/file1 compression zlib +$BTRFS_UTIL_PROG property get $SCRATCH_MNT/testdir/file1 compression +$BTRFS_UTIL_PROG property set $SCRATCH_MNT/testdir/file1 compression '' +$BTRFS_UTIL_PROG property get $SCRATCH_MNT/testdir/file1 compression + +# Test compression property inheritance. +echo "***" +$BTRFS_UTIL_PROG property set $SCRATCH_MNT/testdir/subdir1 compression lzo +$BTRFS_UTIL_PROG property get $SCRATCH_MNT/testdir/subdir1 compression +echo "***" +mkdir $SCRATCH_MNT/testdir/subdir1/subsubdir +touch $SCRATCH_MNT/testdir/subdir1/some_file +$BTRFS_UTIL_PROG property get $SCRATCH_MNT/testdir/subdir1/subsubdir compression +echo "***" +$BTRFS_UTIL_PROG property get $SCRATCH_MNT/testdir/subdir1/some_file compression +echo "***" +mkdir $SCRATCH_MNT/testdir/subdir1/subsubdir/foo +$BTRFS_UTIL_PROG property get $SCRATCH_MNT/testdir/subdir1/subsubdir/foo \ + compression +echo "***" + +# Verify property was persisted. +_scratch_unmount +_check_scratch_fs +_scratch_mount +$BTRFS_UTIL_PROG property get $SCRATCH_MNT/testdir/subdir1/subsubdir compression +echo "***" +$BTRFS_UTIL_PROG property get $SCRATCH_MNT/testdir/subdir1/subsubdir/foo \ + compression +echo "***" +$BTRFS_UTIL_PROG property get $SCRATCH_MNT/testdir/subdir1/some_file compression +echo "***" +$BTRFS_UTIL_PROG property set $SCRATCH_MNT/testdir/subdir1/subsubdir \ + compression '' +$BTRFS_UTIL_PROG property set $SCRATCH_MNT/testdir/subdir1/some_file \ + compression '' +$BTRFS_UTIL_PROG property set $SCRATCH_MNT/testdir/subdir1 compression '' +echo "***" +$BTRFS_UTIL_PROG property get $SCRATCH_MNT/testdir/subdir1/subsubdir compression +echo "***" +$BTRFS_UTIL_PROG property get $SCRATCH_MNT/testdir/subdir1/some_file compression +echo "***" +$BTRFS_UTIL_PROG property get $SCRATCH_MNT/testdir/subdir1 compression +echo "***" +touch $SCRATCH_MNT/testdir/subdir1/some_file_2 +$BTRFS_UTIL_PROG property get $SCRATCH_MNT/testdir/subdir1/some_file_2 \ + compression +echo "***" + +# Verify send is able to replicate properties. +echo -e "\nTesting properties with send" +$BTRFS_UTIL_PROG property set $SCRATCH_MNT/testdir/subdir1 compression lzo +touch $SCRATCH_MNT/testdir/subdir1/foobar +$BTRFS_UTIL_PROG property get $SCRATCH_MNT/testdir/subdir1 compression +$BTRFS_UTIL_PROG property get $SCRATCH_MNT/testdir/subdir1/foobar compression +echo "***" + +_run_btrfs_util_prog subvolume snapshot -r $SCRATCH_MNT $SCRATCH_MNT/mysnap1 +touch $SCRATCH_MNT/testdir/subdir1/foobar2 +_run_btrfs_util_prog subvolume snapshot -r $SCRATCH_MNT $SCRATCH_MNT/mysnap2 + +_run_btrfs_util_prog send $SCRATCH_MNT/mysnap1 -f $send_files_dir/1.snap +_run_btrfs_util_prog send -p $SCRATCH_MNT/mysnap1 $SCRATCH_MNT/mysnap2 \ + -f $send_files_dir/2.snap + +_scratch_unmount +_check_scratch_fs +_scratch_mkfs >/dev/null 2>&1 +_scratch_mount + +_run_btrfs_util_prog receive $SCRATCH_MNT -f $send_files_dir/1.snap +_run_btrfs_util_prog receive $SCRATCH_MNT -f $send_files_dir/2.snap +$BTRFS_UTIL_PROG property get $SCRATCH_MNT/mysnap2/testdir/subdir1 compression +$BTRFS_UTIL_PROG property get $SCRATCH_MNT/mysnap2/testdir/subdir1/foobar \ + compression +$BTRFS_UTIL_PROG property get $SCRATCH_MNT/mysnap2/testdir/subdir1/foobar2 \ + compression +echo "***" + +_scratch_unmount +_check_scratch_fs +_scratch_mkfs >/dev/null 2>&1 +_scratch_mount + +echo -e "\nTesting subvolume properties" +$BTRFS_UTIL_PROG property set $SCRATCH_MNT compression 'lzo' +$BTRFS_UTIL_PROG property get $SCRATCH_MNT compression +echo "***" +touch $SCRATCH_MNT/file1 +$BTRFS_UTIL_PROG property get $SCRATCH_MNT/file1 compression +echo "***" +mkdir $SCRATCH_MNT/dir1 +$BTRFS_UTIL_PROG property get $SCRATCH_MNT/dir1 compression +echo "***" +mkdir $SCRATCH_MNT/dir1/subdir1 +$BTRFS_UTIL_PROG property get $SCRATCH_MNT/dir1/subdir1 compression +echo "***" +$BTRFS_UTIL_PROG property set $SCRATCH_MNT/dir1/subdir1 compression 'zlib' +touch $SCRATCH_MNT/dir1/subdir1/foo +$BTRFS_UTIL_PROG property get $SCRATCH_MNT/dir1/subdir1/foo compression + +echo -e "\nTesting subvolume property inheritance" +_run_btrfs_util_prog subvolume create $SCRATCH_MNT/sv1 +$BTRFS_UTIL_PROG property get $SCRATCH_MNT/sv1 compression +touch $SCRATCH_MNT/sv1/file2 +$BTRFS_UTIL_PROG property get $SCRATCH_MNT/sv1/file2 compression + +_check_scratch_fs + +status=0 +exit diff --git a/tests/btrfs/048.out b/tests/btrfs/048.out new file mode 100644 index 0000000..0b20d0b --- /dev/null +++ b/tests/btrfs/048.out @@ -0,0 +1,78 @@ +QA output created by 048 +Testing label property +label= +*** +label=foobar +*** +ro=false +label=foobar +*** +label= +*** +ERROR: object is not compatible with property +*** + +Testing subvolume ro property +ro=false +*** +ERROR: invalid value for property. +*** +*** +ro=true +*** +touch: cannot touch 'SCRATCH_MNT/sv1/foobar': Read-only file system +*** +ro=false +*** + +Testing compression property +*** +ERROR: failed to set compression for SCRATCH_MNT/testdir/file1. Invalid argument +*** +compression=lzo +compression=lzo +compression=zlib +*** +compression=lzo +*** +compression=lzo +*** +compression=lzo +*** +compression=lzo +*** +compression=lzo +*** +compression=lzo +*** +compression=lzo +*** +*** +*** +*** +*** +*** + +Testing properties with send +compression=lzo +compression=lzo +*** +compression=lzo +compression=lzo +compression=lzo +*** + +Testing subvolume properties +compression=lzo +*** +compression=lzo +*** +compression=lzo +*** +compression=lzo +*** +compression=zlib + +Testing subvolume property inheritance +compression=lzo +compression=lzo diff --git a/tests/btrfs/group b/tests/btrfs/group index d4e3fc1..af60c79 100644 --- a/tests/btrfs/group +++ b/tests/btrfs/group @@ -50,3 +50,4 @@ 045 auto quick 046 auto quick 047 auto quick +048 auto quick -- 1.9.1 From andreas.gruenbacher@linbit.com Tue Apr 15 14:31:13 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 66A147F4E for ; Tue, 15 Apr 2014 14:31:13 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 0425CAC004 for ; Tue, 15 Apr 2014 12:31:09 -0700 (PDT) X-ASG-Debug-ID: 1397590267-04cbb06e9d65860001-NocioJ Received: from zimbra13.linbit.com (zimbra13.linbit.com [212.69.166.240]) by cuda.sgi.com with ESMTP id kGCi80NhH3Jga9u6 for ; Tue, 15 Apr 2014 12:31:08 -0700 (PDT) X-Barracuda-Envelope-From: andreas.gruenbacher@linbit.com X-Barracuda-Apparent-Source-IP: 212.69.166.240 Received: from localhost (localhost [127.0.0.1]) by zimbra13.linbit.com (Postfix) with ESMTP id D3B2D2B2D11; Tue, 15 Apr 2014 21:31:06 +0200 (CEST) Received: from zimbra13.linbit.com ([127.0.0.1]) by localhost (zimbra13.linbit.com [127.0.0.1]) (amavisd-new, port 10032) with ESMTP id AGjXwD02UZlt; Tue, 15 Apr 2014 21:31:06 +0200 (CEST) Received: from localhost (localhost [127.0.0.1]) by zimbra13.linbit.com (Postfix) with ESMTP id 7EA0F2B2DF4; Tue, 15 Apr 2014 21:31:06 +0200 (CEST) X-Virus-Scanned: amavisd-new at linbit.com Received: from zimbra13.linbit.com ([127.0.0.1]) by localhost (zimbra13.linbit.com [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id ic1xoGZn2h_C; Tue, 15 Apr 2014 21:31:06 +0200 (CEST) Received: from zimbra13.linbit.com (zimbra13.linbit.com [212.69.166.240]) by zimbra13.linbit.com (Postfix) with ESMTP id 593232B2D11; Tue, 15 Apr 2014 21:31:06 +0200 (CEST) Date: Tue, 15 Apr 2014 21:31:02 +0200 (CEST) From: Andreas Gruenbacher To: Christoph Hellwig Cc: Brian Foster , linux-man@vger.kernel.org, xfs@oss.sgi.com, linux-security-module@vger.kernel.org, Al Viro , linux-fsdevel@vger.kernel.org, linux-ext4@vger.kernel.org Message-ID: <1188577823.463241.1397590262478.JavaMail.zimbra@linbit.com> In-Reply-To: <20140415175228.GE26404@infradead.org> References: <1397071311-28371-1-git-send-email-bfoster@redhat.com> <1397071311-28371-2-git-send-email-bfoster@redhat.com> <20140410102421.GA17641@infradead.org> <20140410121947.GA14124@bfoster.bfoster> <20140410122944.GA6579@infradead.org> <20140415175228.GE26404@infradead.org> Subject: Re: [PATCH v2 1/2] xfs: fix tmpfile/selinux deadlock and initialize security/acl MIME-Version: 1.0 X-ASG-Orig-Subj: Re: [PATCH v2 1/2] xfs: fix tmpfile/selinux deadlock and initialize security/acl Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-Originating-IP: [178.115.133.221] X-Mailer: Zimbra 8.0.6_GA_5922 (ZimbraWebClient - FF24 (Linux)/8.0.6_GA_5922) Thread-Topic: fix tmpfile/selinux deadlock and initialize security/acl Thread-Index: eVaaUFqsHhxhgNzLBl8pyRHY3sFs8w== X-Barracuda-Connect: zimbra13.linbit.com[212.69.166.240] X-Barracuda-Start-Time: 1397590267 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.02 X-Barracuda-Spam-Status: No, SCORE=0.02 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=THREAD_INDEX, THREAD_TOPIC X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4943 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.01 THREAD_INDEX thread-index: AcO7Y8iR61tzADqsRmmc5wNiFHEOig== 0.01 THREAD_TOPIC Thread-Topic: ...(Japanese Subject)... Christoph, On Tue, Apr 15, 2014 at 10:52:28AM -0700, Christoph Hellwig wrote: > So any opinions from other fs / security people on how O_TMPFILE files > should behave for ACL inheritance / labeling? from how O_TMPFILE is documented right now [*], creating such a file and then linking it into the namespace is one of the obvious use cases. The intent seems to be to make it seem like the file was created and populated atomically, possibly with inherited permissions and all. I think this behavior require that the O_TMPFILE file inherits from the directory it was "created" in. Adding code to achieve the effect of create-time inheritance at link time, only for O_TMPFILE files or files without any links, doesn't seem reasonable to me: it would duplicate create code in the link code path, and it would make it harder to override inherited permissions or labels. (Trying to fake inheritance by reimplementing it in user space seems like a much worse idea still.) [*] http://man7.org/linux/man-pages/man2/open.2.html Thanks, Andreas From tytso@thunk.org Tue Apr 15 14:40:13 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 28E077F54 for ; Tue, 15 Apr 2014 14:40:13 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 198E18F8052 for ; Tue, 15 Apr 2014 12:40:09 -0700 (PDT) X-ASG-Debug-ID: 1397590807-04cbb06e9b65d70001-NocioJ Received: from imap.thunk.org (imap.thunk.org [74.207.234.97]) by cuda.sgi.com with ESMTP id 0R3LoY77OsAq5023 (version=TLSv1 cipher=AES128-SHA bits=128 verify=NO) for ; Tue, 15 Apr 2014 12:40:08 -0700 (PDT) X-Barracuda-Envelope-From: tytso@thunk.org X-Barracuda-Apparent-Source-IP: 74.207.234.97 Received: from root (helo=closure.thunk.org) by imap.thunk.org with local-esmtp (Exim 4.80) (envelope-from ) id 1Wa9DB-0002BB-1a; Tue, 15 Apr 2014 19:40:05 +0000 Received: by closure.thunk.org (Postfix, from userid 15806) id 5F446580893; Tue, 15 Apr 2014 15:40:04 -0400 (EDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=thunk.org; s=ef5046eb; t=1397590804; bh=JyWUHRuOtHIWWAj+EIl3Dr7A8m5TV7qPlvG4Jtq8LcE=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=h2EaovvmV1W0IcJZECWQx8pYa1eE8eAbMVJ/0GiAv6AjOrB4suUqJmbfqc0ajyLtV VLBG2u3yQ5nZL2p+OIw7OkW+3shn+5+aQNe9IzIf2i5bqqY8KWoUtLRhVzytZOlrLL C8cT0iEb1gwZseUvbh1xZhkdUKQxb9KOJGIfiNwA= Date: Tue, 15 Apr 2014 15:40:04 -0400 From: Theodore Ts'o To: =?utf-8?B?THVrw6HFoQ==?= Czerner Cc: Christoph Hellwig , linux-fsdevel@vger.kernel.org, ceph-devel@vger.kernel.org, linux-ext4@vger.kernel.org, xfs@oss.sgi.com Subject: Re: [PATCH 3/4] fs: Remove i_size check from do_fallocate Message-ID: <20140415194004.GG4456@thunk.org> X-ASG-Orig-Subj: Re: [PATCH 3/4] fs: Remove i_size check from do_fallocate References: <1397242665-2183-1-git-send-email-lczerner@redhat.com> <1397242665-2183-3-git-send-email-lczerner@redhat.com> <20140412152117.GB18047@infradead.org> <20140415153643.GB4456@thunk.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: User-Agent: Mutt/1.5.23 (2014-03-12) X-SA-Exim-Connect-IP: X-SA-Exim-Mail-From: tytso@thunk.org X-SA-Exim-Scanned: No (on imap.thunk.org); SAEximRunCond expanded to false X-Barracuda-Connect: imap.thunk.org[74.207.234.97] X-Barracuda-Start-Time: 1397590808 X-Barracuda-Encrypted: AES128-SHA X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=DKIM_SIGNED, DKIM_VERIFIED X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4943 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- -0.00 DKIM_VERIFIED Domain Keys Identified Mail: signature passes verification 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature On Tue, Apr 15, 2014 at 06:09:34PM +0200, Lukáš Czerner wrote: > > Ok, I'll run some tests and resend it right away without the patch > #4. Thanks! So should I drop patch #4 for now? I don't think it does any harm, and it does plug the hole somewhat, but Cristoph is right that we still could have swapon racing with the fallocate. - Ted From bfoster@redhat.com Tue Apr 15 14:40:59 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id CA0417F58 for ; Tue, 15 Apr 2014 14:40:59 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id B80B58F8064 for ; Tue, 15 Apr 2014 12:40:59 -0700 (PDT) X-ASG-Debug-ID: 1397590858-04cbb06e9c65e00001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id YFZ4Q0gfrL3jksC9 for ; Tue, 15 Apr 2014 12:40:58 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx01.intmail.prod.int.phx2.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3FJeoDR018467 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Tue, 15 Apr 2014 15:40:51 -0400 Received: from laptop.bfoster (vpn-48-211.rdu2.redhat.com [10.10.48.211]) by int-mx01.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id s3FJeoVD002941; Tue, 15 Apr 2014 15:40:50 -0400 Received: from laptop.bfoster (localhost.localdomain [127.0.0.1]) by laptop.bfoster (Postfix) with ESMTP id CA734120AC3; Tue, 15 Apr 2014 15:40:49 -0400 (EDT) Received: (from bfoster@localhost) by laptop.bfoster (8.14.7/8.14.7/Submit) id s3FJenHB006910; Tue, 15 Apr 2014 15:40:49 -0400 X-Authentication-Warning: laptop.bfoster: bfoster set sender to bfoster@redhat.com using -f Date: Tue, 15 Apr 2014 15:40:48 -0400 From: Brian Foster To: Dave Chinner Cc: xfs@oss.sgi.com Subject: Re: [PATCH 6/9] repair: report AG btree verifier errors Message-ID: <20140415194048.GD3470@laptop.bfoster> X-ASG-Orig-Subj: Re: [PATCH 6/9] repair: report AG btree verifier errors References: <1397550301-31883-1-git-send-email-david@fromorbit.com> <1397550301-31883-7-git-send-email-david@fromorbit.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1397550301-31883-7-git-send-email-david@fromorbit.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-Scanned-By: MIMEDefang 2.67 on 10.5.11.11 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1397590858 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Tue, Apr 15, 2014 at 06:24:58PM +1000, Dave Chinner wrote: > From: Dave Chinner > > When we scan the filesystem freespace and inode maps in phase 2, we > don't report CRC errors that are found. We don't really care from a > repair perspective, because the trees are completely rebuilt from > the ground up in phase 5, but froma checking perspective we need to > inform the user that we found inconsistencies. > > Signed-off-by: Dave Chinner > --- > repair/scan.c | 27 ++++++++++++++++++++++++--- > 1 file changed, 24 insertions(+), 3 deletions(-) > > diff --git a/repair/scan.c b/repair/scan.c > index 6c43474..75b4b70 100644 > --- a/repair/scan.c > +++ b/repair/scan.c > @@ -82,6 +82,12 @@ scan_sbtree( > do_error(_("can't read btree block %d/%d\n"), agno, root); > return; > } > + if (bp->b_error == EFSBADCRC || bp->b_error == EFSCORRUPTED) { > + do_warn(_("btree block %d/%d is suspect, error %d\n"), > + agno, root, bp->b_error); > + suspect = 1; > + } > + > (*func)(XFS_BUF_TO_BLOCK(bp), nlevels - 1, root, agno, suspect, > isroot, magic, priv); > libxfs_putbuf(bp); > @@ -123,6 +129,7 @@ scan_lbtree( > xfs_buf_t *bp; > int err; > int dirty = 0; > + bool badcrc = false; > > bp = libxfs_readbuf(mp->m_dev, XFS_FSB_TO_DADDR(mp, root), > XFS_FSB_TO_BB(mp, 1), 0, ops); > @@ -132,14 +139,25 @@ scan_lbtree( > XFS_FSB_TO_AGBNO(mp, root)); > return(1); > } > + > + /* > + * only check for bad CRC here - caller will determine if there > + * is a corruption or not and whether it got corrected and so needs > + * writing back. CRC errors always imply we need to write the block. > + */ > + if (bp->b_error == EFSBADCRC) { > + do_warn(_("btree block %d/%d is suspect, error %d\n"), > + XFS_FSB_TO_AGNO(mp, root), > + XFS_FSB_TO_AGBNO(mp, root), bp->b_error); > + badcrc = true; > + } > + > err = (*func)(XFS_BUF_TO_BLOCK(bp), nlevels - 1, > type, whichfork, root, ino, tot, nex, blkmapp, > bm_cursor, isroot, check_dups, &dirty, > magic); > > - ASSERT(dirty == 0 || (dirty && !no_modify)); > - Here we remove the dirty assert, but don't change the semantics of dirty (we use badcrc). Brian > - if (dirty && !no_modify) > + if ((dirty || badcrc) && !no_modify) > libxfs_writebuf(bp, 0); > else > libxfs_putbuf(bp); > @@ -1066,6 +1084,9 @@ scan_freelist( > do_abort(_("can't read agfl block for ag %d\n"), agno); > return; > } > + if (agflbuf->b_error == EFSBADCRC) > + do_warn(_("agfl has bad CRC for ag %d\n"), agno); > + > freelist = XFS_BUF_TO_AGFL_BNO(mp, agflbuf); > i = be32_to_cpu(agf->agf_flfirst); > > -- > 1.9.0 > > _______________________________________________ > xfs mailing list > xfs@oss.sgi.com > http://oss.sgi.com/mailman/listinfo/xfs From contact_claude@isabelle.de Tue Apr 15 14:53:29 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.1 required=5.0 tests=HDRS_LCASE,LOTS_OF_MONEY, T_FRT_CONTACT autolearn=no version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 4725F7F3F for ; 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Tue, 15 Apr 2014 21:48:00 +0200 (CEST) Message-Id: Mime-Version: 1.0 From: isabelle To: Undisclosed-Recipients:; Reply-To: isabelle.claude654@laposte.net Subject: spende /Donation Date: Tue, 15 Apr 2014 21:49:34 +0200 X-ASG-Orig-Subj: spende /Donation Content-type: text/plain; charset=iso-8859-1; format=flowed Content-transfer-encoding: quoted-printable X-Barracuda-Connect: UNKNOWN[192.162.68.139] X-Barracuda-Start-Time: 1397591603 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.10 X-Barracuda-Spam-Status: No, SCORE=0.10 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=RDNS_NONE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4944 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.10 RDNS_NONE Delivered to trusted network by a host with no rDNS Hallo Wenn ich diese Nachricht zu senden wollte, ist dies nicht einfach Zufall= =2E Dies ist, weil Ihre e-Mail vom elektronischen Roboter gesichert meine W= X=2E7AR BW ausgew=E4hlt wurde=2E Zun=E4chst m=F6chte ich mich f=FCr dieses Eindringen in Ihr Leben zu entsch= uldigen, obwohl ich zugeben, dass es mir sehr wichtig=2E Ich bin Isabelle V= asudev=2E Ich leide an Krebs im Hals seit nun mehr als 3 Jahre und eine hal= be und es leider, mein Arzt hat gerade informiert mich, dass ich bin voller= unheilbar und, dass meine Tage, wegen meinen etwas gez=E4hlt sind abgebaut= Zustand=2E Ich bin eine Witwe und ich habe keine Kind, das ich beginne zu = bedauern=2E In der Tat ist der Grund, warum ich Sie kontaktieren bin, m=F6chte ich eine= n Teil von meinem Grundst=FCck zu spenden, weil ich niemand, wer die Erben = konnte=2E Ich habe fast mein ganzes Zeug, darunter ein Unternehmen der Expo= rt von Holz, Gummi und Stahl-Industrie in Afrika, wo ich wohne nun mehr 10 = Jahren, verkauft=2E Ein gro=DFer Teil der Gelder gesammelt wurde mit unters= chiedlichen Verb=E4nden humanit=E4ren Charakter =FCberall in der Welt, aber= besonders hier in Afrika bezahlt=2E Im Hinblick auf den Rest der Summe genau in H=F6he von 750=2E000, 00euros (= sieben hundert und f=FCnfzig tausend Euro) auf eine gesperrte Mitarbeiter-A= ccount, meine letzte w=FCnschen w=FCrde Sie es spenden, so dass Sie in Ihre= r Branche und vor allem den humanit=E4ren investieren k=F6nnen=2E Ich bin g= anz bewusst was ich zu tun beabsichtigen, und ich denke, trotz der Tatsache= , die wir nicht wissen, werdet ihr diese Summe gut nutzen=2E Ich bitte Sie,= bitte dieses Erbe zu akzeptieren, ohne jedoch Fragen Sie alles, was in zur= =FCckgeben wenn es nicht immer denken, gutes zu tun, um dich herum, was ich= nicht getan habe, in meiner Existenz=2E Das hei=DFt, wird auf einer verantwortlichen Person und besonders gutem Gla= uben fallen zu lassen beruhigt, ich m=F6chte bitten, dass Sie bitte mich be= i den meisten schnell kontaktieren, um weitere Erkl=E4rung =FCber die Gr= =FCnde f=FCr meine Geste und den Verlauf der Dinge zu geben=2E Bitte kontak= tieren Sie mich so bald wie m=F6glich, wenn Sie mein Angebot akzeptieren= =2E Gott m=F6ge mit dir sein! Ich fordere Sie auf, mich =FCber meine pers=F6nliche e-Mail-Adresse zu kont= aktieren: Isabelle=2Eclaude654@laposte=2Enet Der Frieden und Barmherzigkeit Gottes m=F6ge mit dir sein=2E Mrs Isabelle From lukas@loguj.cz Tue Apr 15 14:56:30 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id F044F7F3F for ; Tue, 15 Apr 2014 14:56:29 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id 9D6ACAC004 for ; Tue, 15 Apr 2014 12:56:29 -0700 (PDT) X-ASG-Debug-ID: 1397591785-04bdf04553677b0001-NocioJ Received: from server.loguj.cz (server.loguj.cz [83.167.232.152]) by cuda.sgi.com with ESMTP id yWjgfD0UnboOFpIc for ; Tue, 15 Apr 2014 12:56:25 -0700 (PDT) X-Barracuda-Envelope-From: lukas@loguj.cz X-Barracuda-Apparent-Source-IP: 83.167.232.152 Received: by server.loguj.cz (Postfix, from userid 497) id 2EB6E768A; Tue, 15 Apr 2014 21:57:41 +0200 (CEST) Received: from ip-89-103-71-122.net.upcbroadband.cz (ip-89-103-71-122.net.upcbroadband.cz [89.103.71.122]) by mail.loguj.cz (Horde Framework) with HTTP; Tue, 15 Apr 2014 21:57:41 +0200 Date: Tue, 15 Apr 2014 21:57:41 +0200 Message-ID: <20140415215741.Horde.d8xeUy2MbgZTTY81Gl8nkMA@mail.loguj.cz> From: =?utf-8?b?THVrw6HFoQ==?= Czerner To: Theodore Ts'o Cc: =?utf-8?b?THVrw6HFoQ==?= Czerner , Christoph Hellwig , linux-fsdevel@vger.kernel.org, ceph-devel@vger.kernel.org, linux-ext4@vger.kernel.org, xfs@oss.sgi.com Subject: Re: [PATCH 3/4] fs: Remove i_size check from do_fallocate References: <1397242665-2183-1-git-send-email-lczerner@redhat.com> <1397242665-2183-3-git-send-email-lczerner@redhat.com> <20140412152117.GB18047@infradead.org> <20140415153643.GB4456@thunk.org> <20140415194004.GG4456@thunk.org> X-ASG-Orig-Subj: Re: [PATCH 3/4] fs: Remove i_size check from do_fallocate In-Reply-To: <20140415194004.GG4456@thunk.org> User-Agent: Internet Messaging Program (IMP) H4 (5.0.18) Content-Type: text/plain; charset=utf-8; format=flowed; DelSp=Yes MIME-Version: 1.0 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable X-Barracuda-Connect: server.loguj.cz[83.167.232.152] X-Barracuda-Start-Time: 1397591785 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4944 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- Yes, please drop the patch #4 since it requires different solution, I do not think it's critical enough to have partial solution and it has been that way for a long time. We can fix it later. Thanks! -Lukas Theodore Ts'o wrote: > On Tue, Apr 15, 2014 at 06:09:34PM +0200, Luk=C3=A1=C5=A1 Czerner wrote: >> >> Ok, I'll run some tests and resend it right away without the patch >> #4. > > Thanks! So should I drop patch #4 for now? I don't think it does any > harm, and it does plug the hole somewhat, but Cristoph is right that > we still could have swapon racing with the fallocate. > > - Ted > -- > To unsubscribe from this list: send the line "unsubscribe linux-ext4" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html From bfoster@redhat.com Tue Apr 15 14:56:32 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 1A4867F52 for ; Tue, 15 Apr 2014 14:56:32 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id 1DBF730407B for ; Tue, 15 Apr 2014 12:56:32 -0700 (PDT) X-ASG-Debug-ID: 1397591790-04cbb06e9a66570001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id 7Ujm13UiarnrQaN6 for ; Tue, 15 Apr 2014 12:56:31 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx10.intmail.prod.int.phx2.redhat.com (int-mx10.intmail.prod.int.phx2.redhat.com [10.5.11.23]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3FJuSZL030635 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 15 Apr 2014 15:56:29 -0400 Received: from laptop.bfoster (vpn-48-211.rdu2.redhat.com [10.10.48.211]) by int-mx10.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s3FJeVau014369; Tue, 15 Apr 2014 15:40:31 -0400 Received: from laptop.bfoster (localhost.localdomain [127.0.0.1]) by laptop.bfoster (Postfix) with ESMTP id 198B8120AC3; Tue, 15 Apr 2014 15:40:31 -0400 (EDT) Received: (from bfoster@localhost) by laptop.bfoster (8.14.7/8.14.7/Submit) id s3FJeTP8006906; Tue, 15 Apr 2014 15:40:29 -0400 X-Authentication-Warning: laptop.bfoster: bfoster set sender to bfoster@redhat.com using -f Date: Tue, 15 Apr 2014 15:40:29 -0400 From: Brian Foster To: Dave Chinner Cc: xfs@oss.sgi.com Subject: Re: [PATCH 5/9] repair: detect CRC errors in AG headers Message-ID: <20140415194029.GC3470@laptop.bfoster> X-ASG-Orig-Subj: Re: [PATCH 5/9] repair: detect CRC errors in AG headers References: <1397550301-31883-1-git-send-email-david@fromorbit.com> <1397550301-31883-6-git-send-email-david@fromorbit.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1397550301-31883-6-git-send-email-david@fromorbit.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-Scanned-By: MIMEDefang 2.68 on 10.5.11.23 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1397591790 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Tue, Apr 15, 2014 at 06:24:57PM +1000, Dave Chinner wrote: > From: Dave Chinner > > repair doesn't currently detect verifier errors in AG header > blocks - apart from the primary superblock they are not detected. > They are, fortunately, corrected in the important cases (AGF, AGI > and AGFL) because these structures are rebuilt in phase 5, but if > you run xfs_repair in checking mode it won't report them as bad. > > Signed-off-by: Dave Chinner > --- > repair/scan.c | 66 ++++++++++++++++++++++++++++++++++------------------------- > 1 file changed, 38 insertions(+), 28 deletions(-) > > diff --git a/repair/scan.c b/repair/scan.c > index 1744c32..6c43474 100644 > --- a/repair/scan.c > +++ b/repair/scan.c > @@ -1207,28 +1207,31 @@ scan_ag( > void *arg) > { > struct aghdr_cnts *agcnts = arg; > - xfs_agf_t *agf; > - xfs_buf_t *agfbuf; > + struct xfs_agf *agf; > + struct xfs_buf *agfbuf = NULL; > int agf_dirty = 0; > - xfs_agi_t *agi; > - xfs_buf_t *agibuf; > + struct xfs_agi *agi; > + struct xfs_buf *agibuf = NULL; > int agi_dirty = 0; > - xfs_sb_t *sb; > - xfs_buf_t *sbbuf; > + struct xfs_sb *sb = NULL; > + struct xfs_buf *sbbuf = NULL; > int sb_dirty = 0; > int status; > + char *objname = NULL; > > sbbuf = libxfs_readbuf(mp->m_dev, XFS_AG_DADDR(mp, agno, XFS_SB_DADDR), > XFS_FSS_TO_BB(mp, 1), 0, &xfs_sb_buf_ops); > if (!sbbuf) { > - do_error(_("can't get root superblock for ag %d\n"), agno); > - return; > + objname = _("root superblock"); > + goto out_free; > } > + if (sbbuf->b_error == EFSBADCRC || sbbuf->b_error == EFSCORRUPTED) > + sb_dirty = 1; > + > sb = (xfs_sb_t *)calloc(BBSIZE, 1); > if (!sb) { > do_error(_("can't allocate memory for superblock\n")); > - libxfs_putbuf(sbbuf); > - return; > + goto out_free; > } > libxfs_sb_from_disk(sb, XFS_BUF_TO_SBP(sbbuf)); > > @@ -1236,23 +1239,22 @@ scan_ag( > XFS_AG_DADDR(mp, agno, XFS_AGF_DADDR(mp)), > XFS_FSS_TO_BB(mp, 1), 0, &xfs_agf_buf_ops); > if (!agfbuf) { > - do_error(_("can't read agf block for ag %d\n"), agno); > - libxfs_putbuf(sbbuf); > - free(sb); > - return; > + objname = _("agf block"); > + goto out_free; > } > + if (agfbuf->b_error == EFSBADCRC || agfbuf->b_error == EFSCORRUPTED) > + agf_dirty = 1; > agf = XFS_BUF_TO_AGF(agfbuf); > > agibuf = libxfs_readbuf(mp->m_dev, > XFS_AG_DADDR(mp, agno, XFS_AGI_DADDR(mp)), > XFS_FSS_TO_BB(mp, 1), 0, &xfs_agi_buf_ops); > if (!agibuf) { > - do_error(_("can't read agi block for ag %d\n"), agno); > - libxfs_putbuf(agfbuf); > - libxfs_putbuf(sbbuf); > - free(sb); > - return; > + objname = _("agi block"); > + goto out_free; > } > + if (agibuf->b_error == EFSBADCRC || agibuf->b_error == EFSCORRUPTED) > + agi_dirty = 1; > agi = XFS_BUF_TO_AGI(agibuf); > > /* fix up bad ag headers */ > @@ -1277,7 +1279,7 @@ scan_ag( > do_warn(_("would reset bad sb for ag %d\n"), agno); > } > } > - if (status & XR_AG_AGF) { > + if (agf_dirty || status & XR_AG_AGF) { > if (!no_modify) { > do_warn(_("reset bad agf for ag %d\n"), agno); > agf_dirty = 1; > @@ -1285,7 +1287,7 @@ scan_ag( > do_warn(_("would reset bad agf for ag %d\n"), agno); > } > } > - if (status & XR_AG_AGI) { > + if (agi_dirty || status & XR_AG_AGI) { > if (!no_modify) { > do_warn(_("reset bad agi for ag %d\n"), agno); > agi_dirty = 1; There are a few asserts a bit further down this function that assume *_dirty is set only when in !no_modify mode. E.g.: ASSERT(agi_dirty == 0 || (agi_dirty && !no_modify)); You'll probably want to remove those. Or... > @@ -1295,15 +1297,9 @@ scan_ag( > } > > if (status && no_modify) { > - libxfs_putbuf(agibuf); > - libxfs_putbuf(agfbuf); > - libxfs_putbuf(sbbuf); > - free(sb); > - > do_warn(_("bad uncorrected agheader %d, skipping ag...\n"), > agno); > - > - return; > + goto out_free; > } Would we want to skip the ag, as such, on a CRC error in no_modify mode? If so, perhaps we could set the status variable on crc errors and bitwise or the value returned from verify_set_agheader(). Brian > > scan_freelist(agf, agcnts); > @@ -1341,6 +1337,20 @@ scan_ag( > print_inode_list(i); > #endif > return; > + > +out_free: > + if (sb) > + free(sb); > + if (agibuf) > + libxfs_putbuf(agibuf); > + if (agfbuf) > + libxfs_putbuf(agfbuf); > + if (sbbuf) > + libxfs_putbuf(sbbuf); > + if (objname) > + do_error(_("can't get %s for ag %d\n"), objname, agno); > + return; > + > } > > #define SCAN_THREADS 32 > -- > 1.9.0 > > _______________________________________________ > xfs mailing list > xfs@oss.sgi.com > http://oss.sgi.com/mailman/listinfo/xfs From bfoster@redhat.com Tue Apr 15 14:56:32 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 5FA227F52 for ; Tue, 15 Apr 2014 14:56:32 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id 1D61FAC001 for ; Tue, 15 Apr 2014 12:56:31 -0700 (PDT) X-ASG-Debug-ID: 1397591790-04bdf04555677c0001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id wL1CDtZytsZJpzGB for ; Tue, 15 Apr 2014 12:56:31 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx10.intmail.prod.int.phx2.redhat.com (int-mx10.intmail.prod.int.phx2.redhat.com [10.5.11.23]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3FJuSZN030635 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 15 Apr 2014 15:56:29 -0400 Received: from laptop.bfoster (vpn-48-211.rdu2.redhat.com [10.10.48.211]) by int-mx10.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s3FJe4vj013850; Tue, 15 Apr 2014 15:40:04 -0400 Received: from laptop.bfoster (localhost.localdomain [127.0.0.1]) by laptop.bfoster (Postfix) with ESMTP id E5E04120AC3; Tue, 15 Apr 2014 15:40:03 -0400 (EDT) Received: (from bfoster@localhost) by laptop.bfoster (8.14.7/8.14.7/Submit) id s3FJe1Z2006868; Tue, 15 Apr 2014 15:40:01 -0400 X-Authentication-Warning: laptop.bfoster: bfoster set sender to bfoster@redhat.com using -f Date: Tue, 15 Apr 2014 15:40:00 -0400 From: Brian Foster To: Dave Chinner Cc: xfs@oss.sgi.com Subject: Re: [PATCH 3/9] repair: ensure prefetched buffers have CRCs validated Message-ID: <20140415194000.GB3470@laptop.bfoster> X-ASG-Orig-Subj: Re: [PATCH 3/9] repair: ensure prefetched buffers have CRCs validated References: <1397550301-31883-1-git-send-email-david@fromorbit.com> <1397550301-31883-4-git-send-email-david@fromorbit.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1397550301-31883-4-git-send-email-david@fromorbit.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-Scanned-By: MIMEDefang 2.68 on 10.5.11.23 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1397591790 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Tue, Apr 15, 2014 at 06:24:55PM +1000, Dave Chinner wrote: > From: Dave Chinner > > Prefetch currently does not do CRC validation when the IO completes > due to the optimisation it performs and the fact that it does not > know what the type of metadata into the buffer is supposed to be. > Hence, mark all prefetched buffers as "suspect" so that when the > end user tries to read it with a supplied validation function the > validation is run even though the buffer was already in the cache. > > Signed-off-by: Dave Chinner > --- > include/libxfs.h | 1 + > libxfs/rdwr.c | 36 +++++++++++++++++++++++++++++++----- > repair/prefetch.c | 3 +++ > 3 files changed, 35 insertions(+), 5 deletions(-) > > diff --git a/include/libxfs.h b/include/libxfs.h > index 6bc6c94..6b1e276 100644 > --- a/include/libxfs.h > +++ b/include/libxfs.h > @@ -333,6 +333,7 @@ enum xfs_buf_flags_t { /* b_flags bits */ > LIBXFS_B_STALE = 0x0004, /* buffer marked as invalid */ > LIBXFS_B_UPTODATE = 0x0008, /* buffer is sync'd to disk */ > LIBXFS_B_DISCONTIG = 0x0010, /* discontiguous buffer */ > + LIBXFS_B_UNCHECKED = 0x0020, /* needs verification */ This is used in the first couple patches, so it should probably be defined earlier (or shuffle those patches appropriately). > }; > > #define XFS_BUF_DADDR_NULL ((xfs_daddr_t) (-1LL)) > diff --git a/libxfs/rdwr.c b/libxfs/rdwr.c > index 7208a2f..a8f06aa 100644 > --- a/libxfs/rdwr.c > +++ b/libxfs/rdwr.c > @@ -718,12 +718,25 @@ libxfs_readbuf(struct xfs_buftarg *btp, xfs_daddr_t blkno, int len, int flags, > bp = libxfs_getbuf(btp, blkno, len); > if (!bp) > return NULL; > - if ((bp->b_flags & (LIBXFS_B_UPTODATE|LIBXFS_B_DIRTY))) > + > + /* > + * if the buffer was prefetched, it is likely that it was not > + * validated. Hence if we are supplied an ops function and the > + * buffer is marked as unchecked, we need to validate it now. > + */ > + if ((bp->b_flags & (LIBXFS_B_UPTODATE|LIBXFS_B_DIRTY))) { > + if (ops && (bp->b_flags & LIBXFS_B_UNCHECKED)) { > + bp->b_error = 0; > + bp->b_ops = ops; > + bp->b_ops->verify_read(bp); > + bp->b_flags &= ~LIBXFS_B_UNCHECKED; Should we always expect an unchecked buffer to be read with an ops vector before being written? Even if so, this might look cleaner if we didn't encode the possibility of running a read verifier on a dirty buffer. I presume that would always fail as the crc is updated in the write verifier. > + } > return bp; > + } > > /* > - * only set the ops on a cache miss (i.e. first physical read) as the > - * verifier may change the ops to match the typ eof buffer it contains. > + * Set the ops on a cache miss (i.e. first physical read) as the > + * verifier may change the ops to match the type of buffer it contains. > * A cache hit might reset the verifier to the original type if we set > * it again, but it won't get called again and set to match the buffer > * contents. *cough* xfs_da_node_buf_ops *cough*. > @@ -733,8 +746,10 @@ libxfs_readbuf(struct xfs_buftarg *btp, xfs_daddr_t blkno, int len, int flags, > error = libxfs_readbufr(btp, blkno, bp, len, flags); > if (error) > bp->b_error = error; > - else if (bp->b_ops) > + else if (bp->b_ops) { > bp->b_ops->verify_read(bp); > + bp->b_flags &= ~LIBXFS_B_UNCHECKED; > + } > return bp; > } > > @@ -786,6 +801,14 @@ libxfs_readbuf_map(struct xfs_buftarg *btp, struct xfs_buf_map *map, int nmaps, > return NULL; > > bp->b_error = 0; > + if ((bp->b_flags & (LIBXFS_B_UPTODATE|LIBXFS_B_DIRTY))) { > + if (ops && (bp->b_flags & LIBXFS_B_UNCHECKED)) { > + bp->b_ops = ops; > + bp->b_ops->verify_read(bp); > + bp->b_flags &= ~LIBXFS_B_UNCHECKED; > + } Same comment here. Brian > + return bp; > + } > bp->b_ops = ops; > if ((bp->b_flags & (LIBXFS_B_UPTODATE|LIBXFS_B_DIRTY))) > return bp; > @@ -793,8 +816,10 @@ libxfs_readbuf_map(struct xfs_buftarg *btp, struct xfs_buf_map *map, int nmaps, > error = libxfs_readbufr_map(btp, bp, flags); > if (!error) { > bp->b_flags |= LIBXFS_B_UPTODATE; > - if (bp->b_ops) > + if (bp->b_ops) { > bp->b_ops->verify_read(bp); > + bp->b_flags &= ~LIBXFS_B_UNCHECKED; > + } > } > #ifdef IO_DEBUG > printf("%lx: %s: read %lu bytes, error %d, blkno=%llu(%llu), %p\n", > @@ -889,6 +914,7 @@ libxfs_writebufr(xfs_buf_t *bp) > if (!error) { > bp->b_flags |= LIBXFS_B_UPTODATE; > bp->b_flags &= ~(LIBXFS_B_DIRTY | LIBXFS_B_EXIT); > + bp->b_flags &= ~LIBXFS_B_UNCHECKED; > } > return error; > } > diff --git a/repair/prefetch.c b/repair/prefetch.c > index 6d6d344..d794ba3 100644 > --- a/repair/prefetch.c > +++ b/repair/prefetch.c > @@ -389,6 +389,7 @@ pf_read_inode_dirs( > > bp->b_ops = &xfs_inode_buf_ops; > bp->b_ops->verify_read(bp); > + bp->b_flags &= ~LIBXFS_B_UNCHECKED; > if (bp->b_error) > return; > > @@ -460,6 +461,7 @@ pf_read_discontig( > > pthread_mutex_unlock(&args->lock); > libxfs_readbufr_map(mp->m_ddev_targp, bp, 0); > + bp->b_flags |= LIBXFS_B_UNCHECKED; > libxfs_putbuf(bp); > pthread_mutex_lock(&args->lock); > } > @@ -583,6 +585,7 @@ pf_batch_read( > break; > memcpy(XFS_BUF_PTR(bplist[i]), pbuf, size); > bplist[i]->b_flags |= LIBXFS_B_UPTODATE; > + bplist[i]->b_flags |= LIBXFS_B_UNCHECKED; > len -= size; > if (B_IS_INODE(XFS_BUF_PRIORITY(bplist[i]))) > pf_read_inode_dirs(args, bplist[i]); > -- > 1.9.0 > > _______________________________________________ > xfs mailing list > xfs@oss.sgi.com > http://oss.sgi.com/mailman/listinfo/xfs From sds@tycho.nsa.gov Tue Apr 15 15:08:29 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id A28BB7F3F for ; Tue, 15 Apr 2014 15:08:29 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 43F98AC001 for ; Tue, 15 Apr 2014 13:08:26 -0700 (PDT) X-ASG-Debug-ID: 1397592504-04cb6c243965300001-NocioJ Received: from emvm-gh1-uea08.nsa.gov (emvm-gh1-uea08.nsa.gov [63.239.67.9]) by cuda.sgi.com with ESMTP id AGZAGRx651JV3XYQ for ; Tue, 15 Apr 2014 13:08:24 -0700 (PDT) X-Barracuda-Envelope-From: sds@tycho.nsa.gov X-Barracuda-Apparent-Source-IP: 63.239.67.9 X-TM-IMSS-Message-ID: Received: from tarius.tycho.ncsc.mil ([144.51.242.1]) by nsa.gov ([63.239.67.9]) with ESMTP (TREND IMSS SMTP Service 7.1; TLSv1/SSLv3 DHE-RSA-AES256-SHA (256/256)) id e3150f0800008c21 ; Tue, 15 Apr 2014 16:07:02 -0400 Received: from moss-pluto.infosec.tycho.ncsc.mil (moss-pluto [192.168.25.131]) by tarius.tycho.ncsc.mil (8.14.4/8.14.4) with ESMTP id s3FK7dZT001365; Tue, 15 Apr 2014 16:07:50 -0400 Message-ID: <534D90D0.9090805@tycho.nsa.gov> Date: Tue, 15 Apr 2014 16:04:32 -0400 From: Stephen Smalley Organization: National Security Agency User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.2.0 MIME-Version: 1.0 To: Christoph Hellwig , Brian Foster CC: xfs@oss.sgi.com, linux-security-module@vger.kernel.org, linux-fsdevel@vger.kernel.org Subject: Re: [PATCH v3 2/4] xfs: initialize inode security on tmpfile creation References: <1397578706-5385-1-git-send-email-bfoster@redhat.com> <1397578706-5385-3-git-send-email-bfoster@redhat.com> <20140415175033.GB26404@infradead.org> X-ASG-Orig-Subj: Re: [PATCH v3 2/4] xfs: initialize inode security on tmpfile creation In-Reply-To: <20140415175033.GB26404@infradead.org> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Barracuda-Connect: emvm-gh1-uea08.nsa.gov[63.239.67.9] X-Barracuda-Start-Time: 1397592504 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4944 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On 04/15/2014 01:50 PM, Christoph Hellwig wrote: > On Tue, Apr 15, 2014 at 12:18:24PM -0400, Brian Foster wrote: >> + error = xfs_init_security(inode, dir, &dentry->d_name); >> + if (unlikely(error)) { >> + iput(inode); >> + return -error; >> + } >> + >> d_tmpfile(dentry, inode); >> > > I'd really love to hear from the LSM people who they plan to deal with > O_TMPFILE inodes. But given that this seems to fix a real life bug > let's go with it for now. Is there a reason that xfs_init_security() isn't called from the inode allocation function (e.g. xfs_ialloc), as in ext4 (__ext4_new_inode calls ext4_init_security and also calls ext4_init_acl)? That would have ensured that tmpfile inodes would have been labeled without requiring a separate change and more generally ensures complete coverage for all inodes. For SELinux, we need the tmpfile inodes to be labeled at creation time, not just if linked into the namespace, since they may be shared via local socket IPC or inherited across a label-changing exec and since we revalidate access on transfer or use. Labeling based on the provided directory could be a bit random, although it will work out with current policy if the provided directory corresponds to existing tmpfile locations (e.g. /tmp, /var/tmp) and therefore already has a label associated with temporary files. Otherwise we might want some indication that it is a tmpfile passed into security_inode_init_security() so that we can always select a stable label irrespective of the directory. From supportv3@ovh.net Tue Apr 15 15:17:46 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=HTML_MESSAGE autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 7EDCB7F3F for ; Tue, 15 Apr 2014 15:17:46 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id 63CB88F8064 for ; Tue, 15 Apr 2014 13:17:43 -0700 (PDT) X-ASG-Debug-ID: 1397593059-04bdf04555682b0001-NocioJ Received: from ox10.clicboutic.com (ox10.clicboutic.com [95.131.138.193]) by cuda.sgi.com with ESMTP id 0jF0oMpYslbAFjtG (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Tue, 15 Apr 2014 13:17:40 -0700 (PDT) X-Barracuda-Envelope-From: supportv3@ovh.net X-Barracuda-Apparent-Source-IP: 95.131.138.193 Received: from ox10.clicboutic.com (unknown [127.0.0.1]) by ox10.clicboutic.com (Postfix) with ESMTP id 5E39DCE0810C; Tue, 15 Apr 2014 22:17:38 +0200 (CEST) Received: from webmail.custodio-shop.com (ox10.clicboutic.com [95.131.138.193]) by ox10.clicboutic.com (Postfix) with ESMTPA; Tue, 15 Apr 2014 22:17:38 +0200 (CEST) MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="=_88c976a8974a27d868e2cd4d2f009274" Date: Tue, 15 Apr 2014 22:17:38 +0200 From: Import/Export Recrutement To: undisclosed-recipients:; Subject: Coordinateur / Coordinatrice transit -import/export Message-ID: <7002feb556bdeb683ab27ce0420e14cf@mail.custodio-shop.com> X-ASG-Orig-Subj: Coordinateur / Coordinatrice transit -import/export X-Sender: supportv3@ovh.net User-Agent: RoundCube Webmail/0.3-beta X-Barracuda-Connect: ox10.clicboutic.com[95.131.138.193] X-Barracuda-Start-Time: 1397593060 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=HTML_MESSAGE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4944 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 HTML_MESSAGE BODY: HTML included in message --=_88c976a8974a27d868e2cd4d2f009274 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=UTF-8 Vous êtes sérieux et motivé. vous recherchez un job rémunérateur, à domicile. 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Vous êtes = sérieux et motivé. vous recherchez un job rémuné= ;rateur, à domicile. Pour cela, il est nécessaire de dis= poser d'un ordinateur avec connexion internet et une imprimante. il n'= est pas demandé d'avoir des compétences particulières = en informatique.Un responsable vous aidera tout au long de la premiè= re semaine de travail.Contact : inte= rsource-recrutementt@outlook.fr

--=_88c976a8974a27d868e2cd4d2f009274-- From sds@tycho.nsa.gov Tue Apr 15 15:20:12 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id A9F1F7F3F for ; Tue, 15 Apr 2014 15:20:12 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 399CCAC005 for ; Tue, 15 Apr 2014 13:20:12 -0700 (PDT) X-ASG-Debug-ID: 1397593210-04cb6c243765890001-NocioJ Received: from emvm-gh1-uea08.nsa.gov (emvm-gh1-uea08.nsa.gov [63.239.67.9]) by cuda.sgi.com with ESMTP id 4Dma6hB4qXmQQpNp for ; Tue, 15 Apr 2014 13:20:10 -0700 (PDT) X-Barracuda-Envelope-From: sds@tycho.nsa.gov X-Barracuda-Apparent-Source-IP: 63.239.67.9 X-TM-IMSS-Message-ID: Received: from tarius.tycho.ncsc.mil ([144.51.242.1]) by nsa.gov ([63.239.67.9]) with ESMTP (TREND IMSS SMTP Service 7.1; TLSv1/SSLv3 DHE-RSA-AES256-SHA (256/256)) id e31fe53b00008f18 ; Tue, 15 Apr 2014 16:18:52 -0400 Received: from moss-pluto.infosec.tycho.ncsc.mil (moss-pluto [192.168.25.131]) by tarius.tycho.ncsc.mil (8.14.4/8.14.4) with ESMTP id s3FKJWGQ002078; Tue, 15 Apr 2014 16:19:42 -0400 Message-ID: <534D9399.2090407@tycho.nsa.gov> Date: Tue, 15 Apr 2014 16:16:25 -0400 From: Stephen Smalley Organization: National Security Agency User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.2.0 MIME-Version: 1.0 To: Christoph Hellwig , Brian Foster CC: xfs@oss.sgi.com, linux-security-module@vger.kernel.org, linux-fsdevel@vger.kernel.org, Eric Paris , Paul Moore Subject: Re: [PATCH v3 2/4] xfs: initialize inode security on tmpfile creation References: <1397578706-5385-1-git-send-email-bfoster@redhat.com> <1397578706-5385-3-git-send-email-bfoster@redhat.com> <20140415175033.GB26404@infradead.org> <534D90D0.9090805@tycho.nsa.gov> X-ASG-Orig-Subj: Re: [PATCH v3 2/4] xfs: initialize inode security on tmpfile creation In-Reply-To: <534D90D0.9090805@tycho.nsa.gov> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Barracuda-Connect: emvm-gh1-uea08.nsa.gov[63.239.67.9] X-Barracuda-Start-Time: 1397593210 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4945 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On 04/15/2014 04:04 PM, Stephen Smalley wrote: > On 04/15/2014 01:50 PM, Christoph Hellwig wrote: >> On Tue, Apr 15, 2014 at 12:18:24PM -0400, Brian Foster wrote: >>> + error = xfs_init_security(inode, dir, &dentry->d_name); >>> + if (unlikely(error)) { >>> + iput(inode); >>> + return -error; >>> + } >>> + >>> d_tmpfile(dentry, inode); >>> >> >> I'd really love to hear from the LSM people who they plan to deal with >> O_TMPFILE inodes. But given that this seems to fix a real life bug >> let's go with it for now. > > Is there a reason that xfs_init_security() isn't called from the inode > allocation function (e.g. xfs_ialloc), as in ext4 (__ext4_new_inode > calls ext4_init_security and also calls ext4_init_acl)? That would have > ensured that tmpfile inodes would have been labeled without requiring a > separate change and more generally ensures complete coverage for all inodes. > > For SELinux, we need the tmpfile inodes to be labeled at creation time, > not just if linked into the namespace, since they may be shared via > local socket IPC or inherited across a label-changing exec and since we > revalidate access on transfer or use. > > Labeling based on the provided directory could be a bit random, although > it will work out with current policy if the provided directory > corresponds to existing tmpfile locations (e.g. /tmp, /var/tmp) and > therefore already has a label associated with temporary files. > Otherwise we might want some indication that it is a tmpfile passed into > security_inode_init_security() so that we can always select a stable > label irrespective of the directory. Hmm...wondering if we can use the qstr as a distinguisher; pass NULL for tmpfile and not for others as in ext4? From BATV+652ed24fe461ba827d99+3887+infradead.org+hch@bombadil.srs.infradead.org Tue Apr 15 15:22:28 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 5AA027F3F for ; Tue, 15 Apr 2014 15:22:28 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id 4CAE1304071 for ; Tue, 15 Apr 2014 13:22:25 -0700 (PDT) X-ASG-Debug-ID: 1397593343-04bdf04554684d0001-NocioJ Received: from bombadil.infradead.org ([198.137.202.9]) by cuda.sgi.com with ESMTP id dJvGNYtrHf1AWqub (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Tue, 15 Apr 2014 13:22:23 -0700 (PDT) X-Barracuda-Envelope-From: BATV+652ed24fe461ba827d99+3887+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.80.1 #2 (Red Hat Linux)) id 1Wa9s6-0003yS-3l; Tue, 15 Apr 2014 20:22:22 +0000 Date: Tue, 15 Apr 2014 13:22:22 -0700 From: Christoph Hellwig To: Stephen Smalley Cc: Brian Foster , linux-fsdevel@vger.kernel.org, linux-security-module@vger.kernel.org, xfs@oss.sgi.com Subject: Re: [PATCH v3 2/4] xfs: initialize inode security on tmpfile creation Message-ID: <20140415202222.GA10928@infradead.org> X-ASG-Orig-Subj: Re: [PATCH v3 2/4] xfs: initialize inode security on tmpfile creation References: <1397578706-5385-1-git-send-email-bfoster@redhat.com> <1397578706-5385-3-git-send-email-bfoster@redhat.com> <20140415175033.GB26404@infradead.org> <534D90D0.9090805@tycho.nsa.gov> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <534D90D0.9090805@tycho.nsa.gov> User-Agent: Mutt/1.5.21 (2010-09-15) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html X-Barracuda-Connect: UNKNOWN[198.137.202.9] X-Barracuda-Start-Time: 1397593343 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.10 X-Barracuda-Spam-Status: No, SCORE=0.10 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=RDNS_NONE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4945 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.10 RDNS_NONE Delivered to trusted network by a host with no rDNS On Tue, Apr 15, 2014 at 04:04:32PM -0400, Stephen Smalley wrote: > Is there a reason that xfs_init_security() isn't called from the inode > allocation function (e.g. xfs_ialloc), as in ext4 (__ext4_new_inode > calls ext4_init_security and also calls ext4_init_acl)? That would have > ensured that tmpfile inodes would have been labeled without requiring a > separate change and more generally ensures complete coverage for all inodes. Really just code structuring - we don't like callouts to high level VFS functions from deep down in the guts of the filesystem. > For SELinux, we need the tmpfile inodes to be labeled at creation time, > not just if linked into the namespace, since they may be shared via > local socket IPC or inherited across a label-changing exec and since we > revalidate access on transfer or use. > > Labeling based on the provided directory could be a bit random, although > it will work out with current policy if the provided directory > corresponds to existing tmpfile locations (e.g. /tmp, /var/tmp) and > therefore already has a label associated with temporary files. > Otherwise we might want some indication that it is a tmpfile passed into > security_inode_init_security() so that we can always select a stable > label irrespective of the directory. Just check for I_LINKABLE in i_flags. From sds@tycho.nsa.gov Tue Apr 15 15:25:51 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 60D417F3F for ; Tue, 15 Apr 2014 15:25:51 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id 4B571304071 for ; Tue, 15 Apr 2014 13:25:51 -0700 (PDT) X-ASG-Debug-ID: 1397593549-04bdf0455368670001-NocioJ Received: from emvm-gh1-uea09.nsa.gov (emvm-gh1-uea09.nsa.gov [63.239.67.10]) by cuda.sgi.com with ESMTP id CqvBzgzmQvI5s4IB for ; Tue, 15 Apr 2014 13:25:49 -0700 (PDT) X-Barracuda-Envelope-From: sds@tycho.nsa.gov X-Barracuda-Apparent-Source-IP: 63.239.67.10 X-TM-IMSS-Message-ID: Received: from tarius.tycho.ncsc.mil ([144.51.242.1]) by nsa.gov ([63.239.67.10]) with ESMTP (TREND IMSS SMTP Service 7.1; TLSv1/SSLv3 DHE-RSA-AES256-SHA (256/256)) id bfa564bb00008cb6 ; Tue, 15 Apr 2014 16:27:48 -0400 Received: from moss-pluto.infosec.tycho.ncsc.mil (moss-pluto [192.168.25.131]) by tarius.tycho.ncsc.mil (8.14.4/8.14.4) with ESMTP id s3FKP3ru002559; Tue, 15 Apr 2014 16:25:14 -0400 Message-ID: <534D94E4.8070606@tycho.nsa.gov> Date: Tue, 15 Apr 2014 16:21:56 -0400 From: Stephen Smalley Organization: National Security Agency User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.2.0 MIME-Version: 1.0 To: Christoph Hellwig CC: Brian Foster , linux-fsdevel@vger.kernel.org, linux-security-module@vger.kernel.org, xfs@oss.sgi.com Subject: Re: [PATCH v3 2/4] xfs: initialize inode security on tmpfile creation References: <1397578706-5385-1-git-send-email-bfoster@redhat.com> <1397578706-5385-3-git-send-email-bfoster@redhat.com> <20140415175033.GB26404@infradead.org> <534D90D0.9090805@tycho.nsa.gov> <20140415202222.GA10928@infradead.org> X-ASG-Orig-Subj: Re: [PATCH v3 2/4] xfs: initialize inode security on tmpfile creation In-Reply-To: <20140415202222.GA10928@infradead.org> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Barracuda-Connect: emvm-gh1-uea09.nsa.gov[63.239.67.10] X-Barracuda-Start-Time: 1397593549 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4945 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On 04/15/2014 04:22 PM, Christoph Hellwig wrote: > On Tue, Apr 15, 2014 at 04:04:32PM -0400, Stephen Smalley wrote: >> Is there a reason that xfs_init_security() isn't called from the inode >> allocation function (e.g. xfs_ialloc), as in ext4 (__ext4_new_inode >> calls ext4_init_security and also calls ext4_init_acl)? That would have >> ensured that tmpfile inodes would have been labeled without requiring a >> separate change and more generally ensures complete coverage for all inodes. > > Really just code structuring - we don't like callouts to high level VFS > functions from deep down in the guts of the filesystem. > >> For SELinux, we need the tmpfile inodes to be labeled at creation time, >> not just if linked into the namespace, since they may be shared via >> local socket IPC or inherited across a label-changing exec and since we >> revalidate access on transfer or use. >> >> Labeling based on the provided directory could be a bit random, although >> it will work out with current policy if the provided directory >> corresponds to existing tmpfile locations (e.g. /tmp, /var/tmp) and >> therefore already has a label associated with temporary files. >> Otherwise we might want some indication that it is a tmpfile passed into >> security_inode_init_security() so that we can always select a stable >> label irrespective of the directory. > > Just check for I_LINKABLE in i_flags. Thanks, that should allow us to handle it cleanly in the security modules! From david@fromorbit.com Tue Apr 15 16:34:28 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id DD55B7F3F for ; Tue, 15 Apr 2014 16:34:28 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id DFDD98F8052 for ; Tue, 15 Apr 2014 14:34:25 -0700 (PDT) X-ASG-Debug-ID: 1397597662-04cb6c243667b60001-NocioJ Received: from ipmail07.adl2.internode.on.net (ipmail07.adl2.internode.on.net [150.101.137.131]) by cuda.sgi.com with ESMTP id C9gu8598nDnHNDRB for ; Tue, 15 Apr 2014 14:34:23 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.131 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: ArQGAKmkTVN5LEcv/2dsb2JhbABagwY7gxeKa5xHk16FXoEqF3SCJQEBAQMBOhwjBQsIAxgJDBkPBSUDIROHdAcOzGoWjgRJBwqELgSYYZJGg0MrgS0 Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail07.adl2.internode.on.net with ESMTP; 16 Apr 2014 07:04:21 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WaAzY-0005eI-KM; Wed, 16 Apr 2014 07:34:08 +1000 Date: Wed, 16 Apr 2014 07:34:08 +1000 From: Dave Chinner To: Johannes Truschnigg Cc: xfs@oss.sgi.com Subject: Re: Seeking XFS tuning advice for PostgreSQL on SATA SSDs/Linux-md Message-ID: <20140415213408.GL15995@dastard> X-ASG-Orig-Subj: Re: Seeking XFS tuning advice for PostgreSQL on SATA SSDs/Linux-md References: <534D24AB.1050605@geizhals.at> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <534D24AB.1050605@geizhals.at> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail07.adl2.internode.on.net[150.101.137.131] X-Barracuda-Start-Time: 1397597663 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4946 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Tue, Apr 15, 2014 at 02:23:07PM +0200, Johannes Truschnigg wrote: > Hi list, > > we're building a postgres streaming replication slave that's > supposed to pick up work if our primary pg cluster (with an > all-flash FC SAN appliance as its backend store) goes down. We'll be > using consumer-grade hardware for this setup, which I detail below: > > o 2x Intel Xeon E5-2630L (24 threads total) > o 512GB DDR3 ECC RDIMM > o Intel C606-based Dual 4-Port SATA/SAS HBA (PCIID 8086:1d68) How much write cache does this have? > o 6x Samsung 830 SSD with 512GB each, 25% reserved for HPA 830? That's the previous generation of drives - do you mean 840? > o Debian GNU/Linux 7.x "Wheezy" + backports kernel (3.13+) > o PostgreSQL 9.0 > > If there's anything else that is of critical interest that I forgot > to mention, hardware- or software-wise, please let me know. > > When benchmarking the individual SSDs with fio (using the libaio > backend), the IOPS we've seen were in the 30k-35k range overall for > 4K block sizes. They don't sustain that performance over 20+ minutes of constant IO, though. Even if you have 840s (I have 840 EVOs in my test rig), the sustained performance of 4k random write IOPS is somewhere around 4-6k each. See, for example, the performance consistency graphs here: http://www.anandtech.com/show/7173/samsung-ssd-840-evo-review-120gb-250gb-500gb-750gb-1tb-models-tested/6 Especially the last one that shows a zoomed view of the steady state behaviour between 1400s and 2000s of constant load. The 830 series are old enough that they were reviewed before this was considered an important metric for SSD comparison, and so there is no equivalent information available for them. However, they are likely to be significantly slower and less deterministic in their behaviour than the 840s under the same load... > The host will be on the receiving end of a pg9.0 > streaming replication cluster setup where the master handles ~50k > IOPS peak, and I'm thinking what'd be a good approach to design the > local storage stack (with availability in mind) in a way that has a > chance to keep up with our flash-based FC SAN. I'd be surprised if it can keep up after a couple of months of production level IO going to the SSDs... > After digging through linux-raid archives, I think the most sensible > approach are two-disk pairs in RAID1 that are concatenated via > either LVM2 or md (leaning towards the latter, since I'd expect that > to have a tad less overhead), I'd stripe them (i.e. RAID10), not concantenate them so as to load both RAID1 legs evenly. > and xfs on top of that resulting block > device. That should yield roughly 1.2TB of usable space (we need a > minimum of 900GB for the DB). With this setup, it should be possible > to have up to 3 CPUs busy with handling I/O on the block side of > things, which raises the question what'd be a sensible value to > choose for xfs' Allocation Group Count/agcount. > > I've been trying to find information on that myself, but what I > managed to dig up is, at times, so old that it seems rather > outlandish today - some sources on the web (from 2003), for example, > say that one AG per 4GB of underlying diskspace makes sense, which > seems excessive for a 1200GB volume. > > I've experimented with mkfs.xfs (on top of LVM only; I don't know if > it takes into account lower block layers and seen that it supposedly > chooses to default to an agcount of 4, which seems insufficient > given the max. bandwidth our setup should be able to provide. The number of AGs has no bearing on acheivable bandwidth. The number of AGs affects allocation concurrency. Hence if you have 24 CPU cores, I'd expect that you want 32 AGs. Normally with a RAID array this will be the default, but it seems that RAID1 is not triggering the "optimise for allocation concurrency" heuristics in mkfs.... > Apart from that, is there any kind of advice you can share for > tuning xfs to run postgres (9.0 initially, but we're planning to > upgrade to 9.3 or later eventually) on in 2014, especially > performance-wise? Apart from the AG count and perhaps tuning the sunit/swidth to match the RAID0 part of the equation, I wouldn't touch a thing unless you know that there's a problem that needs fixing and you know exactly what knob will fix the problem you have... Cheers, Dave. -- Dave Chinner david@fromorbit.com From david@fromorbit.com Tue Apr 15 16:36:53 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id DF52C7F3F for ; Tue, 15 Apr 2014 16:36:53 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id BE61B304077 for ; Tue, 15 Apr 2014 14:36:50 -0700 (PDT) X-ASG-Debug-ID: 1397597808-04bdf045526a550001-NocioJ Received: from ipmail07.adl2.internode.on.net (ipmail07.adl2.internode.on.net [150.101.137.131]) by cuda.sgi.com with ESMTP id R8M9c9WODZ3SgDah for ; Tue, 15 Apr 2014 14:36:48 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.131 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: An0GAMelTVN5LEcv/2dsb2JhbABagwaDUlG6P4VegSoXdIIlAQEBBCMPASMjEAgBAhEDAQIBAgIFIQICDwUlAxMOE4d7jWOcGaJjFxaBE406B4JvgUkEmGGKZodgg0Mr Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail07.adl2.internode.on.net with ESMTP; 16 Apr 2014 07:06:47 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WaB1v-0005fe-3X; Wed, 16 Apr 2014 07:36:35 +1000 Date: Wed, 16 Apr 2014 07:36:35 +1000 From: Dave Chinner To: =?utf-8?B?THVrw6HFoQ==?= Czerner Cc: Christoph Hellwig , linux-fsdevel@vger.kernel.org, ceph-devel@vger.kernel.org, linux-ext4@vger.kernel.org, xfs@oss.sgi.com Subject: Re: [PATCH 2/4] fs: Prevent doing FALLOC_FL_ZERO_RANGE on append only file Message-ID: <20140415213635.GM15995@dastard> X-ASG-Orig-Subj: Re: [PATCH 2/4] fs: Prevent doing FALLOC_FL_ZERO_RANGE on append only file References: <1397242665-2183-1-git-send-email-lczerner@redhat.com> <1397242665-2183-2-git-send-email-lczerner@redhat.com> <20140412151935.GA18047@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail07.adl2.internode.on.net[150.101.137.131] X-Barracuda-Start-Time: 1397597808 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4946 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Tue, Apr 15, 2014 at 03:09:42PM +0200, Lukáš Czerner wrote: > On Sat, 12 Apr 2014, Christoph Hellwig wrote: > > > Date: Sat, 12 Apr 2014 08:19:35 -0700 > > From: Christoph Hellwig > > To: Lukas Czerner > > Cc: linux-fsdevel@vger.kernel.org, ceph-devel@vger.kernel.org, > > linux-ext4@vger.kernel.org, xfs@oss.sgi.com > > Subject: Re: [PATCH 2/4] fs: Prevent doing FALLOC_FL_ZERO_RANGE on append only > > file > > > > On Fri, Apr 11, 2014 at 08:57:43PM +0200, Lukas Czerner wrote: > > > /* > > > - * It's not possible to punch hole or perform collapse range > > > - * on append only file > > > + * It's not possible to punch hole, perform collapse range > > > + * or zero range on append only file > > > */ > > > - if (mode & (FALLOC_FL_PUNCH_HOLE | FALLOC_FL_COLLAPSE_RANGE) > > > + if (mode & (FALLOC_FL_PUNCH_HOLE | FALLOC_FL_COLLAPSE_RANGE | > > > + FALLOC_FL_ZERO_RANGE) > > > > Might be better to make this a negative test fo the operation that is > > allowed on an appen only file. That's also much better future proof. > > > > True, it might be better to do it this way: > > if (mode & ~FALLOC_FL_KEEP_SIZE && IS_APPEND(inode)) if ((mode & ~FALLOC_FL_KEEP_SIZE) && IS_APPEND(inode)) :) Cheers, Dave. -- Dave Chinner david@fromorbit.com From david@fromorbit.com Tue Apr 15 16:47:02 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 918707F3F for ; Tue, 15 Apr 2014 16:47:02 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 2DDF5AC001 for ; Tue, 15 Apr 2014 14:46:58 -0700 (PDT) X-ASG-Debug-ID: 1397598416-04cb6c243868040001-NocioJ Received: from ipmail07.adl2.internode.on.net (ipmail07.adl2.internode.on.net [150.101.137.131]) by cuda.sgi.com with ESMTP id HB1xgjN5Rm5GTdqf for ; Tue, 15 Apr 2014 14:46:56 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.131 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AnoGACmoTVN5LEcv/2dsb2JhbABagwaDUrsQhV6BKhd0giUBAQEEJxMcIxAIAw4HAwklDwUlAyETh3vMVhcWjk0HhDgEmGGSRoNDK4EuJA Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail07.adl2.internode.on.net with ESMTP; 16 Apr 2014 07:16:55 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WaBBi-0005j5-Tj; Wed, 16 Apr 2014 07:46:42 +1000 Date: Wed, 16 Apr 2014 07:46:42 +1000 From: Dave Chinner To: Brian Foster Cc: xfs@oss.sgi.com Subject: Re: [PATCH 3/9] repair: ensure prefetched buffers have CRCs validated Message-ID: <20140415214642.GN15995@dastard> X-ASG-Orig-Subj: Re: [PATCH 3/9] repair: ensure prefetched buffers have CRCs validated References: <1397550301-31883-1-git-send-email-david@fromorbit.com> <1397550301-31883-4-git-send-email-david@fromorbit.com> <20140415194000.GB3470@laptop.bfoster> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140415194000.GB3470@laptop.bfoster> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail07.adl2.internode.on.net[150.101.137.131] X-Barracuda-Start-Time: 1397598416 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4946 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Tue, Apr 15, 2014 at 03:40:00PM -0400, Brian Foster wrote: > On Tue, Apr 15, 2014 at 06:24:55PM +1000, Dave Chinner wrote: > > From: Dave Chinner > > > > Prefetch currently does not do CRC validation when the IO completes > > due to the optimisation it performs and the fact that it does not > > know what the type of metadata into the buffer is supposed to be. > > Hence, mark all prefetched buffers as "suspect" so that when the > > end user tries to read it with a supplied validation function the > > validation is run even though the buffer was already in the cache. > > > > Signed-off-by: Dave Chinner > > --- > > include/libxfs.h | 1 + > > libxfs/rdwr.c | 36 +++++++++++++++++++++++++++++++----- > > repair/prefetch.c | 3 +++ > > 3 files changed, 35 insertions(+), 5 deletions(-) > > > > diff --git a/include/libxfs.h b/include/libxfs.h > > index 6bc6c94..6b1e276 100644 > > --- a/include/libxfs.h > > +++ b/include/libxfs.h > > @@ -333,6 +333,7 @@ enum xfs_buf_flags_t { /* b_flags bits */ > > LIBXFS_B_STALE = 0x0004, /* buffer marked as invalid */ > > LIBXFS_B_UPTODATE = 0x0008, /* buffer is sync'd to disk */ > > LIBXFS_B_DISCONTIG = 0x0010, /* discontiguous buffer */ > > + LIBXFS_B_UNCHECKED = 0x0020, /* needs verification */ > > This is used in the first couple patches, so it should probably be > defined earlier (or shuffle those patches appropriately). Ah, I busted that on shuffling the patchset, and hadn't done a patch-by-patch compile. Well spotted! > > > }; > > > > #define XFS_BUF_DADDR_NULL ((xfs_daddr_t) (-1LL)) > > diff --git a/libxfs/rdwr.c b/libxfs/rdwr.c > > index 7208a2f..a8f06aa 100644 > > --- a/libxfs/rdwr.c > > +++ b/libxfs/rdwr.c > > @@ -718,12 +718,25 @@ libxfs_readbuf(struct xfs_buftarg *btp, xfs_daddr_t blkno, int len, int flags, > > bp = libxfs_getbuf(btp, blkno, len); > > if (!bp) > > return NULL; > > - if ((bp->b_flags & (LIBXFS_B_UPTODATE|LIBXFS_B_DIRTY))) > > + > > + /* > > + * if the buffer was prefetched, it is likely that it was not > > + * validated. Hence if we are supplied an ops function and the > > + * buffer is marked as unchecked, we need to validate it now. > > + */ > > + if ((bp->b_flags & (LIBXFS_B_UPTODATE|LIBXFS_B_DIRTY))) { > > + if (ops && (bp->b_flags & LIBXFS_B_UNCHECKED)) { > > + bp->b_error = 0; > > + bp->b_ops = ops; > > + bp->b_ops->verify_read(bp); > > + bp->b_flags &= ~LIBXFS_B_UNCHECKED; > > Should we always expect an unchecked buffer to be read with an ops > vector before being written? Even if so, this might look cleaner if we > didn't encode the possibility of running a read verifier on a dirty > buffer. I presume that would always fail as the crc is updated in the > write verifier. It should fail, and that's a good thing because writing to an unchecked buffer would indicate that we didn't validate it properly in the first place. Hence I thought that doing it this way leaves a canary that traps other problem usage with unchecked buffers. Realistically, we shouldn't be writing unchecked buffers - prefetch doesn't touch buffers, it just does IO, and so someone else has to read the buffers before they can be dirtied. If it's read without an ops structure then modified and read again with an ops structure, we'll catch it... Cheers, Dave. -- Dave Chinner david@fromorbit.com From david@fromorbit.com Tue Apr 15 16:52:29 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 9079B7F3F for ; Tue, 15 Apr 2014 16:52:29 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 8E7EC8F8071 for ; Tue, 15 Apr 2014 14:52:29 -0700 (PDT) X-ASG-Debug-ID: 1397598747-04cbb06e9b69940001-NocioJ Received: from ipmail07.adl2.internode.on.net (ipmail07.adl2.internode.on.net [150.101.137.131]) by cuda.sgi.com with ESMTP id kBVNnsZ6bejIKMe3 for ; Tue, 15 Apr 2014 14:52:27 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.131 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AnoGAF+pTVN5LEcv/2dsb2JhbABagwaDUrsQhV6BKhd0giUBAQEEOhwjEAgDDgcDCSUPBSUDIROHe8xXFxaOTQeEOASYYZJGg0MrgS4k Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail07.adl2.internode.on.net with ESMTP; 16 Apr 2014 07:22:27 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WaBH4-0005ji-6H; Wed, 16 Apr 2014 07:52:14 +1000 Date: Wed, 16 Apr 2014 07:52:14 +1000 From: Dave Chinner To: Brian Foster Cc: xfs@oss.sgi.com Subject: Re: [PATCH 5/9] repair: detect CRC errors in AG headers Message-ID: <20140415215214.GO15995@dastard> X-ASG-Orig-Subj: Re: [PATCH 5/9] repair: detect CRC errors in AG headers References: <1397550301-31883-1-git-send-email-david@fromorbit.com> <1397550301-31883-6-git-send-email-david@fromorbit.com> <20140415194029.GC3470@laptop.bfoster> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140415194029.GC3470@laptop.bfoster> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail07.adl2.internode.on.net[150.101.137.131] X-Barracuda-Start-Time: 1397598747 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4947 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Tue, Apr 15, 2014 at 03:40:29PM -0400, Brian Foster wrote: > On Tue, Apr 15, 2014 at 06:24:57PM +1000, Dave Chinner wrote: > > From: Dave Chinner > > > > repair doesn't currently detect verifier errors in AG header > > blocks - apart from the primary superblock they are not detected. > > They are, fortunately, corrected in the important cases (AGF, AGI > > and AGFL) because these structures are rebuilt in phase 5, but if > > you run xfs_repair in checking mode it won't report them as bad. > > > > Signed-off-by: Dave Chinner .... > > @@ -1285,7 +1287,7 @@ scan_ag( > > do_warn(_("would reset bad agf for ag %d\n"), agno); > > } > > } > > - if (status & XR_AG_AGI) { > > + if (agi_dirty || status & XR_AG_AGI) { > > if (!no_modify) { > > do_warn(_("reset bad agi for ag %d\n"), agno); > > agi_dirty = 1; > > There are a few asserts a bit further down this function that assume > *_dirty is set only when in !no_modify mode. E.g.: > > ASSERT(agi_dirty == 0 || (agi_dirty && !no_modify)); > > You'll probably want to remove those. Or... I thought I caught all of those... > > > @@ -1295,15 +1297,9 @@ scan_ag( > > } > > > > if (status && no_modify) { > > - libxfs_putbuf(agibuf); > > - libxfs_putbuf(agfbuf); > > - libxfs_putbuf(sbbuf); > > - free(sb); > > - > > do_warn(_("bad uncorrected agheader %d, skipping ag...\n"), > > agno); > > - > > - return; > > + goto out_free; > > } > > Would we want to skip the ag, as such, on a CRC error in no_modify mode? > If so, perhaps we could set the status variable on crc errors and > bitwise or the value returned from verify_set_agheader(). I figured that for CRC errors we really should try to validate everything if we can. If nothing else fails the validation, then it might be a bit flip in an unused portion of the sector and in that case we can actually continue onwards. IOWs, a CRC error is not necessarily fatal.... Cheers, Dave. -- Dave Chinner david@fromorbit.com From david@fromorbit.com Tue Apr 15 16:54:15 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 546797F3F for ; Tue, 15 Apr 2014 16:54:15 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 4556F8F8037 for ; Tue, 15 Apr 2014 14:54:15 -0700 (PDT) X-ASG-Debug-ID: 1397598852-04cbb06e9a699d0001-NocioJ Received: from ipmail07.adl2.internode.on.net (ipmail07.adl2.internode.on.net [150.101.137.131]) by cuda.sgi.com with ESMTP id A3NvVc1FlPl7vyTF for ; Tue, 15 Apr 2014 14:54:13 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.131 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AnoGAF+pTVN5LEcv/2dsb2JhbABagwaDUrsQhV6BKhd0giUBAQEEJxMcIxAIAw4HAwklDwUlAyETh3vMVxcWjk0HhDgEmGGSRoNDKw Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail07.adl2.internode.on.net with ESMTP; 16 Apr 2014 07:24:12 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WaBIl-0005kf-Ov; Wed, 16 Apr 2014 07:53:59 +1000 Date: Wed, 16 Apr 2014 07:53:59 +1000 From: Dave Chinner To: Brian Foster Cc: xfs@oss.sgi.com Subject: Re: [PATCH 6/9] repair: report AG btree verifier errors Message-ID: <20140415215359.GP15995@dastard> X-ASG-Orig-Subj: Re: [PATCH 6/9] repair: report AG btree verifier errors References: <1397550301-31883-1-git-send-email-david@fromorbit.com> <1397550301-31883-7-git-send-email-david@fromorbit.com> <20140415194048.GD3470@laptop.bfoster> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140415194048.GD3470@laptop.bfoster> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail07.adl2.internode.on.net[150.101.137.131] X-Barracuda-Start-Time: 1397598852 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4947 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Tue, Apr 15, 2014 at 03:40:48PM -0400, Brian Foster wrote: > On Tue, Apr 15, 2014 at 06:24:58PM +1000, Dave Chinner wrote: > > From: Dave Chinner > > > > When we scan the filesystem freespace and inode maps in phase 2, we > > don't report CRC errors that are found. We don't really care from a > > repair perspective, because the trees are completely rebuilt from > > the ground up in phase 5, but froma checking perspective we need to > > inform the user that we found inconsistencies. > > > > Signed-off-by: Dave Chinner > > --- > > repair/scan.c | 27 ++++++++++++++++++++++++--- > > 1 file changed, 24 insertions(+), 3 deletions(-) > > > > diff --git a/repair/scan.c b/repair/scan.c > > index 6c43474..75b4b70 100644 > > --- a/repair/scan.c > > +++ b/repair/scan.c > > @@ -82,6 +82,12 @@ scan_sbtree( > > do_error(_("can't read btree block %d/%d\n"), agno, root); > > return; > > } > > + if (bp->b_error == EFSBADCRC || bp->b_error == EFSCORRUPTED) { > > + do_warn(_("btree block %d/%d is suspect, error %d\n"), > > + agno, root, bp->b_error); > > + suspect = 1; > > + } > > + > > (*func)(XFS_BUF_TO_BLOCK(bp), nlevels - 1, root, agno, suspect, > > isroot, magic, priv); > > libxfs_putbuf(bp); > > @@ -123,6 +129,7 @@ scan_lbtree( > > xfs_buf_t *bp; > > int err; > > int dirty = 0; > > + bool badcrc = false; > > > > bp = libxfs_readbuf(mp->m_dev, XFS_FSB_TO_DADDR(mp, root), > > XFS_FSB_TO_BB(mp, 1), 0, ops); > > @@ -132,14 +139,25 @@ scan_lbtree( > > XFS_FSB_TO_AGBNO(mp, root)); > > return(1); > > } > > + > > + /* > > + * only check for bad CRC here - caller will determine if there > > + * is a corruption or not and whether it got corrected and so needs > > + * writing back. CRC errors always imply we need to write the block. > > + */ > > + if (bp->b_error == EFSBADCRC) { > > + do_warn(_("btree block %d/%d is suspect, error %d\n"), > > + XFS_FSB_TO_AGNO(mp, root), > > + XFS_FSB_TO_AGBNO(mp, root), bp->b_error); > > + badcrc = true; > > + } > > + > > err = (*func)(XFS_BUF_TO_BLOCK(bp), nlevels - 1, > > type, whichfork, root, ino, tot, nex, blkmapp, > > bm_cursor, isroot, check_dups, &dirty, > > magic); > > > > - ASSERT(dirty == 0 || (dirty && !no_modify)); > > - > > Here we remove the dirty assert, but don't change the semantics of dirty > (we use badcrc). Yeah, I went back and changed the mechanism for correcting pure CRC errors not to use the dirty flag. I'll re-instate the assert... Cheers, Dave. -- Dave Chinner david@fromorbit.com From david@fromorbit.com Tue Apr 15 16:59:47 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 1A99A7F3F for ; Tue, 15 Apr 2014 16:59:47 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 1922A8F8054 for ; Tue, 15 Apr 2014 14:59:46 -0700 (PDT) X-ASG-Debug-ID: 1397599184-04cbb06e9d69ca0001-NocioJ Received: from ipmail07.adl2.internode.on.net (ipmail07.adl2.internode.on.net [150.101.137.131]) by cuda.sgi.com with ESMTP id UydC10ArImPAh5LN for ; Tue, 15 Apr 2014 14:59:45 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.131 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AqwGAIeqTVN5LEcv/2dsb2JhbABagwY7gxenMpNehV6BKhd0giUBAQEEOhwjEAgDDgoJJQ8FJQMhE4d7DsxdFoxQgX0HhDgEmGGSRoNDKw Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail07.adl2.internode.on.net with ESMTP; 16 Apr 2014 07:29:44 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WaBO7-0005lh-Ow; Wed, 16 Apr 2014 07:59:31 +1000 Date: Wed, 16 Apr 2014 07:59:31 +1000 From: Dave Chinner To: Brian Foster Cc: xfs@oss.sgi.com Subject: Re: [PATCH v3 0/4] xfs: tmpfile fixes Message-ID: <20140415215931.GQ15995@dastard> X-ASG-Orig-Subj: Re: [PATCH v3 0/4] xfs: tmpfile fixes References: <1397578706-5385-1-git-send-email-bfoster@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1397578706-5385-1-git-send-email-bfoster@redhat.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail07.adl2.internode.on.net[150.101.137.131] X-Barracuda-Start-Time: 1397599184 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4947 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Tue, Apr 15, 2014 at 12:18:22PM -0400, Brian Foster wrote: > Hi all, > > Here's a v3 series for the patches previously posted here: > > http://oss.sgi.com/archives/xfs/2014-04/msg00181.html > > Patches 1 and 2 are just a split-up of the v1 patch: > > http://oss.sgi.com/archives/xfs/2014-04/msg00149.html > > Note the v1 patch has a reviewed-by, so feel free to drop 1 and 2 here > in favor of that version. Patches 3 and 4 are a couple cleanups in the > xfs_create() path. I've already got the orginal patch lined up for commit and have been testing it for a couple of days, so I'll stick with the original. The other two patches I'll add to the 3.16 queue as they aren't really bug fixes.... Cheers, Dave. -- Dave Chinner david@fromorbit.com From david@fromorbit.com Tue Apr 15 17:02:42 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id B8B877F3F for ; Tue, 15 Apr 2014 17:02:42 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id 9A8DF30407A for ; Tue, 15 Apr 2014 15:02:39 -0700 (PDT) X-ASG-Debug-ID: 1397599353-04bdf045546b080001-NocioJ Received: from ipmail07.adl2.internode.on.net (ipmail07.adl2.internode.on.net [150.101.137.131]) by cuda.sgi.com with ESMTP id 0hTkGODxdniGdsYc for ; Tue, 15 Apr 2014 15:02:33 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.131 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AnoGALOrTVN5LEcv/2dsb2JhbABagwaDUrsQhV6BKhd0giUBAQEEOhwjEAgDDgoJJQ8FJQMhE4d7zFIXFo5NB4Q4BJhhimaHYINDKw Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail07.adl2.internode.on.net with ESMTP; 16 Apr 2014 07:32:33 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WaBQq-0005mU-Bc; Wed, 16 Apr 2014 08:02:20 +1000 Date: Wed, 16 Apr 2014 08:02:20 +1000 From: Dave Chinner To: Lukas Czerner Cc: linux-fsdevel@vger.kernel.org, linux-ext4@vger.kernel.org, xfs@oss.sgi.com Subject: Re: [PATCH 2/3 v2] fs: Prevent doing FALLOC_FL_ZERO_RANGE on append only file Message-ID: <20140415220220.GR15995@dastard> X-ASG-Orig-Subj: Re: [PATCH 2/3 v2] fs: Prevent doing FALLOC_FL_ZERO_RANGE on append only file References: <1397580076-19826-1-git-send-email-lczerner@redhat.com> <1397580076-19826-2-git-send-email-lczerner@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1397580076-19826-2-git-send-email-lczerner@redhat.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail07.adl2.internode.on.net[150.101.137.131] X-Barracuda-Start-Time: 1397599353 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4947 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Tue, Apr 15, 2014 at 06:41:15PM +0200, Lukas Czerner wrote: > Currently punch hole and collapse range fallocate operation are not > allowed on append only file. This should be case for zero range as well. > Fix it by allowing only pure fallocate (possibly with keep size set). > > Signed-off-by: Lukas Czerner > --- > v2: Change the condition to be future proof as suggested by hch > > fs/open.c | 6 ++---- > 1 file changed, 2 insertions(+), 4 deletions(-) > > diff --git a/fs/open.c b/fs/open.c > index 631aea81..fe48b2f 100644 > --- a/fs/open.c > +++ b/fs/open.c > @@ -254,11 +254,9 @@ int do_fallocate(struct file *file, int mode, loff_t offset, loff_t len) > return -EBADF; > > /* > - * It's not possible to punch hole or perform collapse range > - * on append only file > + * We can only allow pure fallocate on append only files > */ > - if (mode & (FALLOC_FL_PUNCH_HOLE | FALLOC_FL_COLLAPSE_RANGE) > - && IS_APPEND(inode)) > + if (mode & ~FALLOC_FL_KEEP_SIZE && IS_APPEND(inode)) if ((mode & ~FALLOC_FL_KEEP_SIZE) && IS_APPEND(inode)) gcc normally complains when you mix & and && in the same logic statement without () to separate the logic. I agree with gcc here, because the () indicate the intent of the logic and make it easy to determine that the & and && haven't been mixed up or fat-fingered... Cheers, Dave. -- Dave Chinner david@fromorbit.com From bfoster@redhat.com Tue Apr 15 17:06:06 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id C218D7F3F for ; Tue, 15 Apr 2014 17:06:06 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id AFDFE30404E for ; Tue, 15 Apr 2014 15:06:06 -0700 (PDT) X-ASG-Debug-ID: 1397599565-04cbb06e9b69ef0001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id 5TtwR8PpAKMPVqzQ for ; Tue, 15 Apr 2014 15:06:05 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx02.intmail.prod.int.phx2.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3FM62UH011415 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Tue, 15 Apr 2014 18:06:03 -0400 Received: from laptop.bfoster (vpn-48-211.rdu2.redhat.com [10.10.48.211]) by int-mx02.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id s3FM62Ri004720; Tue, 15 Apr 2014 18:06:02 -0400 Received: from laptop.bfoster (localhost.localdomain [127.0.0.1]) by laptop.bfoster (Postfix) with ESMTP id A73A6120AC3; Tue, 15 Apr 2014 18:06:01 -0400 (EDT) Received: (from bfoster@localhost) by laptop.bfoster (8.14.7/8.14.7/Submit) id s3FM60PP008017; Tue, 15 Apr 2014 18:06:00 -0400 X-Authentication-Warning: laptop.bfoster: bfoster set sender to bfoster@redhat.com using -f Date: Tue, 15 Apr 2014 18:06:00 -0400 From: Brian Foster To: Dave Chinner Cc: xfs@oss.sgi.com Subject: Re: [PATCH 3/9] repair: ensure prefetched buffers have CRCs validated Message-ID: <20140415220559.GE3470@laptop.bfoster> X-ASG-Orig-Subj: Re: [PATCH 3/9] repair: ensure prefetched buffers have CRCs validated References: <1397550301-31883-1-git-send-email-david@fromorbit.com> <1397550301-31883-4-git-send-email-david@fromorbit.com> <20140415194000.GB3470@laptop.bfoster> <20140415214642.GN15995@dastard> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140415214642.GN15995@dastard> User-Agent: Mutt/1.5.21 (2010-09-15) X-Scanned-By: MIMEDefang 2.67 on 10.5.11.12 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1397599565 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Wed, Apr 16, 2014 at 07:46:42AM +1000, Dave Chinner wrote: > On Tue, Apr 15, 2014 at 03:40:00PM -0400, Brian Foster wrote: > > On Tue, Apr 15, 2014 at 06:24:55PM +1000, Dave Chinner wrote: > > > From: Dave Chinner > > > > > > Prefetch currently does not do CRC validation when the IO completes > > > due to the optimisation it performs and the fact that it does not > > > know what the type of metadata into the buffer is supposed to be. > > > Hence, mark all prefetched buffers as "suspect" so that when the > > > end user tries to read it with a supplied validation function the > > > validation is run even though the buffer was already in the cache. > > > > > > Signed-off-by: Dave Chinner > > > --- > > > include/libxfs.h | 1 + > > > libxfs/rdwr.c | 36 +++++++++++++++++++++++++++++++----- > > > repair/prefetch.c | 3 +++ > > > 3 files changed, 35 insertions(+), 5 deletions(-) > > > > > > diff --git a/include/libxfs.h b/include/libxfs.h > > > index 6bc6c94..6b1e276 100644 > > > --- a/include/libxfs.h > > > +++ b/include/libxfs.h > > > @@ -333,6 +333,7 @@ enum xfs_buf_flags_t { /* b_flags bits */ > > > LIBXFS_B_STALE = 0x0004, /* buffer marked as invalid */ > > > LIBXFS_B_UPTODATE = 0x0008, /* buffer is sync'd to disk */ > > > LIBXFS_B_DISCONTIG = 0x0010, /* discontiguous buffer */ > > > + LIBXFS_B_UNCHECKED = 0x0020, /* needs verification */ > > > > This is used in the first couple patches, so it should probably be > > defined earlier (or shuffle those patches appropriately). > > Ah, I busted that on shuffling the patchset, and hadn't done a > patch-by-patch compile. Well spotted! > > > > > > }; > > > > > > #define XFS_BUF_DADDR_NULL ((xfs_daddr_t) (-1LL)) > > > diff --git a/libxfs/rdwr.c b/libxfs/rdwr.c > > > index 7208a2f..a8f06aa 100644 > > > --- a/libxfs/rdwr.c > > > +++ b/libxfs/rdwr.c > > > @@ -718,12 +718,25 @@ libxfs_readbuf(struct xfs_buftarg *btp, xfs_daddr_t blkno, int len, int flags, > > > bp = libxfs_getbuf(btp, blkno, len); > > > if (!bp) > > > return NULL; > > > - if ((bp->b_flags & (LIBXFS_B_UPTODATE|LIBXFS_B_DIRTY))) > > > + > > > + /* > > > + * if the buffer was prefetched, it is likely that it was not > > > + * validated. Hence if we are supplied an ops function and the > > > + * buffer is marked as unchecked, we need to validate it now. > > > + */ > > > + if ((bp->b_flags & (LIBXFS_B_UPTODATE|LIBXFS_B_DIRTY))) { > > > + if (ops && (bp->b_flags & LIBXFS_B_UNCHECKED)) { > > > + bp->b_error = 0; > > > + bp->b_ops = ops; > > > + bp->b_ops->verify_read(bp); > > > + bp->b_flags &= ~LIBXFS_B_UNCHECKED; > > > > Should we always expect an unchecked buffer to be read with an ops > > vector before being written? Even if so, this might look cleaner if we > > didn't encode the possibility of running a read verifier on a dirty > > buffer. I presume that would always fail as the crc is updated in the > > write verifier. > > It should fail, and that's a good thing because writing to an > unchecked buffer would indicate that we didn't validate it properly > in the first place. Hence I thought that doing it this way leaves > a canary that traps other problem usage with unchecked buffers. > > Realistically, we shouldn't be writing unchecked buffers - prefetch > doesn't touch buffers, it just does IO, and so someone else has to > read the buffers before they can be dirtied. If it's read without an > ops structure then modified and read again with an ops structure, > we'll catch it... > Ah, I see. That sounds good, but a small comment there with the reasoning to allow a read verifier to run on a dirty buffer would be nice. :) Brian > Cheers, > > Dave. > -- > Dave Chinner > david@fromorbit.com From dgc@oss.sgi.com Tue Apr 15 17:45:19 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=-0.0 required=5.0 tests=NO_RELAYS autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: by oss.sgi.com (Postfix, from userid 10266) id C690F7F4E; Tue, 15 Apr 2014 17:45:19 -0500 (CDT) From: xfs@oss.sgi.com To: xfs@oss.sgi.com Subject: [XFS updates] XFS development tree branch, xfs-fixes-for-3.15-rc2, created. xfs-for-linus-3.15-rc1-14836-gb901592 X-Git-Refname: refs/heads/xfs-fixes-for-3.15-rc2 X-Git-Reftype: branch X-Git-Oldrev: 0000000000000000000000000000000000000000 X-Git-Newrev: b90159297f95491c348354344e52a4b3da440234 Message-Id: <20140415224519.C690F7F4E@oss.sgi.com> Date: Tue, 15 Apr 2014 17:45:19 -0500 (CDT) This is an automated email from the git hooks/post-receive script. It was generated because a ref change was pushed to the repository containing the project "XFS development tree". The branch, xfs-fixes-for-3.15-rc2 has been created at b90159297f95491c348354344e52a4b3da440234 (commit) - Log ----------------------------------------------------------------- commit b90159297f95491c348354344e52a4b3da440234 Author: Brian Foster Date: Wed Apr 16 08:17:52 2014 +1000 xfs: fix tmpfile/selinux deadlock and initialize security xfstests generic/004 reproduces an ilock deadlock using the tmpfile interface when selinux is enabled. This occurs because xfs_create_tmpfile() takes the ilock and then calls d_tmpfile(). The latter eventually calls into xfs_xattr_get() which attempts to get the lock again. E.g.: xfs_io D ffffffff81c134c0 4096 3561 3560 0x00000080 ffff8801176a1a68 0000000000000046 ffff8800b401b540 ffff8801176a1fd8 00000000001d5800 00000000001d5800 ffff8800b401b540 ffff8800b401b540 ffff8800b73a6bd0 fffffffeffffffff ffff8800b73a6bd8 ffff8800b5ddb480 Call Trace: [] schedule+0x29/0x70 [] rwsem_down_read_failed+0xc5/0x120 [] ? xfs_ilock_attr_map_shared+0x1f/0x50 [xfs] [] call_rwsem_down_read_failed+0x14/0x30 [] ? down_read_nested+0x89/0xa0 [] ? xfs_ilock+0x122/0x250 [xfs] [] xfs_ilock+0x122/0x250 [xfs] [] xfs_ilock_attr_map_shared+0x1f/0x50 [xfs] [] xfs_attr_get+0x90/0xe0 [xfs] [] xfs_xattr_get+0x37/0x50 [xfs] [] generic_getxattr+0x4f/0x70 [] inode_doinit_with_dentry+0x1ae/0x650 [] selinux_d_instantiate+0x1c/0x20 [] security_d_instantiate+0x1b/0x30 [] d_instantiate+0x50/0x70 [] d_tmpfile+0xb5/0xc0 [] xfs_create_tmpfile+0x362/0x410 [xfs] [] xfs_vn_tmpfile+0x18/0x20 [xfs] [] path_openat+0x228/0x6a0 [] ? sched_clock+0x9/0x10 [] ? kvm_clock_read+0x27/0x40 [] ? __alloc_fd+0xaf/0x1f0 [] do_filp_open+0x3a/0x90 [] ? _raw_spin_unlock+0x27/0x40 [] ? __alloc_fd+0xaf/0x1f0 [] do_sys_open+0x12e/0x210 [] SyS_open+0x1e/0x20 [] system_call_fastpath+0x16/0x1b xfs_vn_tmpfile() also fails to initialize security on the newly created inode. Pull the d_tmpfile() call up into xfs_vn_tmpfile() after the transaction has been committed and the inode unlocked. Also, initialize security on the inode based on the parent directory provided via the tmpfile call. Signed-off-by: Brian Foster Reviewed-by: Christoph Hellwig Signed-off-by: Dave Chinner commit 341fcf35d5c111e27c4ef5c2e179a463ff2fc1b5 Author: Eric Sandeen Date: Wed Apr 16 08:17:18 2014 +1000 xfs: fix buffer use after free on IO error When testing exhaustion of dm snapshots, the following appeared with CONFIG_DEBUG_OBJECTS_FREE enabled: ODEBUG: free active (active state 0) object type: work_struct hint: xfs_buf_iodone_work+0x0/0x1d0 [xfs] indicating that we'd freed a buffer which still had a pending reference, down this path: [ 190.867975] [] debug_check_no_obj_freed+0x22b/0x270 [ 190.880820] [] kmem_cache_free+0xd0/0x370 [ 190.892615] [] xfs_buf_free+0xe4/0x210 [xfs] [ 190.905629] [] xfs_buf_rele+0xe7/0x270 [xfs] [ 190.911770] [] xfs_trans_read_buf_map+0x7b6/0xac0 [xfs] At issue is the fact that if IO fails in xfs_buf_iorequest, we'll queue completion unconditionally, and then call xfs_buf_rele; but if IO failed, there are no IOs remaining, and xfs_buf_rele will free the bp while work is still queued. Fix this by not scheduling completion if the buffer has an error on it; run it immediately. The rest is only comment changes. Thanks to dchinner for spotting the root cause. Signed-off-by: Eric Sandeen Reviewed-by: Brian Foster Signed-off-by: Dave Chinner commit b7f6608b9de371c79498cd3db4b5346718430a0c Author: Dave Chinner Date: Wed Apr 16 08:17:16 2014 +1000 xfs: wrong error sign conversion during failed DIO writes We negate the error value being returned from a generic function incorrectly. The code path that it is running in returned negative errors, so there is no need to negate it to get the correct error signs here. This was uncovered by generic/019. Signed-off-by: Dave Chinner Reviewed-by: Christoph Hellwig Signed-off-by: Dave Chinner commit d7cc0f34d9b8bdba7f426463ce1dc50a69bcac63 Author: Dave Chinner Date: Wed Apr 16 08:17:14 2014 +1000 xfs: unmount does not wait for shutdown during unmount And interesting situation can occur if a log IO error occurs during the unmount of a filesystem. The cases reported have the same signature - the update of the superblock counters fails due to a log write IO error: XFS (dm-16): xfs_do_force_shutdown(0x2) called from line 1170 of file fs/xfs/xfs_log.c. Return address = 0xffffffffa08a44a1 XFS (dm-16): Log I/O Error Detected. Shutting down filesystem XFS (dm-16): Unable to update superblock counters. Freespace may not be correct on next mount. XFS (dm-16): xfs_log_force: error 5 returned. XFS (¿-¿¿¿): Please umount the filesystem and rectify the problem(s) It can be seen that the last line of output contains a corrupt device name - this is because the log and xfs_mount structures have already been freed by the time this message is printed. A kernel oops closely follows. The issue is that the shutdown is occurring in a separate IO completion thread to the unmount. Once the shutdown processing has started and all the iclogs are marked with XLOG_STATE_IOERROR, the log shutdown code wakes anyone waiting on a log force so they can process the shutdown error. This wakes up the unmount code that is doing a synchronous transaction to update the superblock counters. The unmount path now sees all the iclogs are marked with XLOG_STATE_IOERROR and so never waits on them again, knowing that if it does, there will not be a wakeup trigger for it and we will hang the unmount if we do. Hence the unmount runs through all the remaining code and frees all the filesystem structures while the xlog_iodone() is still processing the shutdown. When the log shutdown processing completes, xfs_do_force_shutdown() emits the "Please umount the filesystem and rectify the problem(s)" message, and xlog_iodone() then aborts all the objects attached to the iclog. An iclog that has already been freed.... The real issue here is that there is no serialisation point between the log IO and the unmount. We have serialisations points for log writes, log forces, reservations, etc, but we don't actually have any code that wakes for log IO to fully complete. We do that for all other types of object, so why not iclogbufs? Well, it turns out that we can easily do this. We've got xfs_buf handles, and that's what everyone else uses for IO serialisation. i.e. bp->b_sema. So, lets hold iclogbufs locked over IO, and only release the lock in xlog_iodone() when we are finished with the buffer. That way before we tear down the iclog, we can lock and unlock the buffer to ensure IO completion has finished completely before we tear it down. Signed-off-by: Dave Chinner Tested-by: Mike Snitzer Tested-by: Bob Mastors Reviewed-by: Brian Foster Signed-off-by: Dave Chinner commit 5425a32d36703bf4099d597bb4eea5581efc2660 Author: Dave Chinner Date: Mon Apr 14 18:16:30 2014 +1000 xfs: collapse range is delalloc challenged FSX has been detecting data corruption after to collapse range calls. The key observation is that the offset of the last extent in the file was not being shifted, and hence when the file size was adjusted it was truncating away data because the extents handled been correctly shifted. Tracing indicated that before the collapse, the extent list looked like: .... ino 0x5788 state idx 6 offset 26 block 195904 count 10 flag 0 ino 0x5788 state idx 7 offset 39 block 195917 count 35 flag 0 ino 0x5788 state idx 8 offset 86 block 195964 count 32 flag 0 and after the shift of 2 blocks: ino 0x5788 state idx 6 offset 24 block 195904 count 10 flag 0 ino 0x5788 state idx 7 offset 37 block 195917 count 35 flag 0 ino 0x5788 state idx 8 offset 86 block 195964 count 32 flag 0 Note that the last extent did not change offset. After the changing of the file size: ino 0x5788 state idx 6 offset 24 block 195904 count 10 flag 0 ino 0x5788 state idx 7 offset 37 block 195917 count 35 flag 0 ino 0x5788 state idx 8 offset 86 block 195964 count 30 flag 0 You can see that the last extent had it's length truncated, indicating that we've lost data. The reason for this is that the xfs_bmap_shift_extents() loop uses XFS_IFORK_NEXTENTS() to determine how many extents are in the inode. This, unfortunately, doesn't take into account delayed allocation extents - it's a count of physically allocated extents - and hence when the file being collapsed has a delalloc extent like this one does prior to the range being collapsed: .... ino 0x5788 state idx 4 offset 11 block 4503599627239429 count 1 flag 0 .... it gets the count wrong and terminates the shift loop early. Fix it by using the in-memory extent array size that includes delayed allocation extents to determine the number of extents on the inode. Signed-off-by: Dave Chinner Tested-by: Brian Foster Reviewed-by: Christoph Hellwig Signed-off-by: Dave Chinner commit 68c1fb5d82c8206e78895169810298f181b9183a Author: Dave Chinner Date: Mon Apr 14 18:15:45 2014 +1000 xfs: don't map ranges that span EOF for direct IO Al Viro tracked down the problem that has caused generic/263 to fail on XFS since the test was introduced. If is caused by xfs_get_blocks() mapping a single extent that spans EOF without marking it as buffer-new() so that the direct IO code does not zero the tail of the block at the new EOF. This is a long standing bug that has been around for many, many years. Because xfs_get_blocks() starts the map before EOF, it can't set buffer_new(), because that causes he direct IO code to also zero unaligned sectors at the head of the IO. This would overwrite valid data with zeros, and hence we cannot validly return a single extent that spans EOF to direct IO. Fix this by detecting a mapping that spans EOF and truncate it down to EOF. This results in the the direct IO code doing the right thing for unaligned data blocks before EOF, and then returning to get another mapping for the region beyond EOF which XFS treats correctly by setting buffer_new() on it. This makes direct Io behave correctly w.r.t. tail block zeroing beyond EOF, and fsx is happy about that. Again, thanks to Al Viro for finding what I couldn't. Signed-off-by: Dave Chinner Tested-by: Brian Foster Reviewed-by: Christoph Hellwig Signed-off-by: Dave Chinner commit 897b73b6a2ee5d3c06648b601beb1724f7fbd678 Author: Dave Chinner Date: Mon Apr 14 18:15:11 2014 +1000 xfs: zeroing space needs to punch delalloc blocks When we are zeroing space andit is covered by a delalloc range, we need to punch the delalloc range out before we truncate the page cache. Failing to do so leaves and inconsistency between the page cache and the extent tree, which we later trip over when doing direct IO over the same range. Signed-off-by: Dave Chinner Tested-by: Brian Foster Reviewed-by: Christoph Hellwig Signed-off-by: Dave Chinner commit aad3f3755e7f043789b772856d1a2935f2b41a4b Author: Dave Chinner Date: Mon Apr 14 18:14:11 2014 +1000 xfs: xfs_vm_write_end truncates too much on failure Similar to the write_begin problem, xfs-vm_write_end will truncate back to the old EOF, potentially removing page cache from over the top of delalloc blocks with valid data in them. Fix this by truncating back to just the start of the failed write. Signed-off-by: Dave Chinner Tested-by: Brian Foster Reviewed-by: Christoph Hellwig Signed-off-by: Dave Chinner commit 72ab70a19b4ebb19dbe2a79faaa6a4ccead58e70 Author: Dave Chinner Date: Mon Apr 14 18:13:29 2014 +1000 xfs: write failure beyond EOF truncates too much data If we fail a write beyond EOF and have to handle it in xfs_vm_write_begin(), we truncate the inode back to the current inode size. This doesn't take into account the fact that we may have already made successful writes to the same page (in the case of block size < page size) and hence we can truncate the page cache away from blocks with valid data in them. If these blocks are delayed allocation blocks, we now have a mismatch between the page cache and the extent tree, and this will trigger - at minimum - a delayed block count mismatch assert when the inode is evicted from the cache. We can also trip over it when block mapping for direct IO - this is the most common symptom seen from fsx and fsstress when run from xfstests. Fix it by only truncating away the exact range we are updating state for in this write_begin call. Signed-off-by: Dave Chinner Tested-by: Brian Foster Reviewed-by: Christoph Hellwig Signed-off-by: Dave Chinner commit 4ab9ed578e82851645f3dd69d36d91ae77564d6c Author: Dave Chinner Date: Mon Apr 14 18:11:58 2014 +1000 xfs: kill buffers over failed write ranges properly When a write fails, if we don't clear the delalloc flags from the buffers over the failed range, they can persist beyond EOF and cause problems. writeback will see the pages in the page cache, see they are dirty and continually retry the write, assuming that the page beyond EOF is just racing with a truncate. The page will eventually be released due to some other operation (e.g. direct IO), and it will not pass through invalidation because it is dirty. Hence it will be released with buffer_delay set on it, and trigger warnings in xfs_vm_releasepage() and assert fail in xfs_file_aio_write_direct because invalidation failed and we didn't write the corect amount. This causes failures on block size < page size filesystems in fsx and fsstress workloads run by xfstests. Fix it by completely trashing any state on the buffer that could be used to imply that it contains valid data when the delalloc range over the buffer is punched out during the failed write handling. Signed-off-by: Dave Chinner Tested-by: Brian Foster Reviewed-by: Christoph Hellwig Signed-off-by: Dave Chinner ----------------------------------------------------------------------- hooks/post-receive -- XFS development tree From dgc@oss.sgi.com Tue Apr 15 17:45:39 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=-0.0 required=5.0 tests=NO_RELAYS autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: by oss.sgi.com (Postfix, from userid 10266) id 6B9A97F52; Tue, 15 Apr 2014 17:45:39 -0500 (CDT) From: xfs@oss.sgi.com To: xfs@oss.sgi.com Subject: [XFS updates] XFS development tree branch, for-next, updated. xfs-for-linus-3.15-rc1-14836-gb901592 X-Git-Refname: refs/heads/for-next X-Git-Reftype: branch X-Git-Oldrev: c9eaa447e77efe77b7fa4c953bd62de8297fd6c5 X-Git-Newrev: b90159297f95491c348354344e52a4b3da440234 Message-Id: <20140415224539.6B9A97F52@oss.sgi.com> Date: Tue, 15 Apr 2014 17:45:38 -0500 (CDT) This is an automated email from the git hooks/post-receive script. It was generated because a ref change was pushed to the repository containing the project "XFS development tree". The branch, for-next has been updated b901592 xfs: fix tmpfile/selinux deadlock and initialize security 341fcf3 xfs: fix buffer use after free on IO error b7f6608 xfs: wrong error sign conversion during failed DIO writes d7cc0f3 xfs: unmount does not wait for shutdown during unmount 5425a32 xfs: collapse range is delalloc challenged 68c1fb5 xfs: don't map ranges that span EOF for direct IO 897b73b xfs: zeroing space needs to punch delalloc blocks aad3f37 xfs: xfs_vm_write_end truncates too much on failure 72ab70a xfs: write failure beyond EOF truncates too much data 4ab9ed5 xfs: kill buffers over failed write ranges properly from c9eaa447e77efe77b7fa4c953bd62de8297fd6c5 (commit) Those revisions listed above that are new to this repository have not appeared on any other notification email; so we list those revisions in full, below. - Log ----------------------------------------------------------------- commit b90159297f95491c348354344e52a4b3da440234 Author: Brian Foster Date: Wed Apr 16 08:17:52 2014 +1000 xfs: fix tmpfile/selinux deadlock and initialize security xfstests generic/004 reproduces an ilock deadlock using the tmpfile interface when selinux is enabled. This occurs because xfs_create_tmpfile() takes the ilock and then calls d_tmpfile(). The latter eventually calls into xfs_xattr_get() which attempts to get the lock again. E.g.: xfs_io D ffffffff81c134c0 4096 3561 3560 0x00000080 ffff8801176a1a68 0000000000000046 ffff8800b401b540 ffff8801176a1fd8 00000000001d5800 00000000001d5800 ffff8800b401b540 ffff8800b401b540 ffff8800b73a6bd0 fffffffeffffffff ffff8800b73a6bd8 ffff8800b5ddb480 Call Trace: [] schedule+0x29/0x70 [] rwsem_down_read_failed+0xc5/0x120 [] ? xfs_ilock_attr_map_shared+0x1f/0x50 [xfs] [] call_rwsem_down_read_failed+0x14/0x30 [] ? down_read_nested+0x89/0xa0 [] ? xfs_ilock+0x122/0x250 [xfs] [] xfs_ilock+0x122/0x250 [xfs] [] xfs_ilock_attr_map_shared+0x1f/0x50 [xfs] [] xfs_attr_get+0x90/0xe0 [xfs] [] xfs_xattr_get+0x37/0x50 [xfs] [] generic_getxattr+0x4f/0x70 [] inode_doinit_with_dentry+0x1ae/0x650 [] selinux_d_instantiate+0x1c/0x20 [] security_d_instantiate+0x1b/0x30 [] d_instantiate+0x50/0x70 [] d_tmpfile+0xb5/0xc0 [] xfs_create_tmpfile+0x362/0x410 [xfs] [] xfs_vn_tmpfile+0x18/0x20 [xfs] [] path_openat+0x228/0x6a0 [] ? sched_clock+0x9/0x10 [] ? kvm_clock_read+0x27/0x40 [] ? __alloc_fd+0xaf/0x1f0 [] do_filp_open+0x3a/0x90 [] ? _raw_spin_unlock+0x27/0x40 [] ? __alloc_fd+0xaf/0x1f0 [] do_sys_open+0x12e/0x210 [] SyS_open+0x1e/0x20 [] system_call_fastpath+0x16/0x1b xfs_vn_tmpfile() also fails to initialize security on the newly created inode. Pull the d_tmpfile() call up into xfs_vn_tmpfile() after the transaction has been committed and the inode unlocked. Also, initialize security on the inode based on the parent directory provided via the tmpfile call. Signed-off-by: Brian Foster Reviewed-by: Christoph Hellwig Signed-off-by: Dave Chinner commit 341fcf35d5c111e27c4ef5c2e179a463ff2fc1b5 Author: Eric Sandeen Date: Wed Apr 16 08:17:18 2014 +1000 xfs: fix buffer use after free on IO error When testing exhaustion of dm snapshots, the following appeared with CONFIG_DEBUG_OBJECTS_FREE enabled: ODEBUG: free active (active state 0) object type: work_struct hint: xfs_buf_iodone_work+0x0/0x1d0 [xfs] indicating that we'd freed a buffer which still had a pending reference, down this path: [ 190.867975] [] debug_check_no_obj_freed+0x22b/0x270 [ 190.880820] [] kmem_cache_free+0xd0/0x370 [ 190.892615] [] xfs_buf_free+0xe4/0x210 [xfs] [ 190.905629] [] xfs_buf_rele+0xe7/0x270 [xfs] [ 190.911770] [] xfs_trans_read_buf_map+0x7b6/0xac0 [xfs] At issue is the fact that if IO fails in xfs_buf_iorequest, we'll queue completion unconditionally, and then call xfs_buf_rele; but if IO failed, there are no IOs remaining, and xfs_buf_rele will free the bp while work is still queued. Fix this by not scheduling completion if the buffer has an error on it; run it immediately. The rest is only comment changes. Thanks to dchinner for spotting the root cause. Signed-off-by: Eric Sandeen Reviewed-by: Brian Foster Signed-off-by: Dave Chinner commit b7f6608b9de371c79498cd3db4b5346718430a0c Author: Dave Chinner Date: Wed Apr 16 08:17:16 2014 +1000 xfs: wrong error sign conversion during failed DIO writes We negate the error value being returned from a generic function incorrectly. The code path that it is running in returned negative errors, so there is no need to negate it to get the correct error signs here. This was uncovered by generic/019. Signed-off-by: Dave Chinner Reviewed-by: Christoph Hellwig Signed-off-by: Dave Chinner commit d7cc0f34d9b8bdba7f426463ce1dc50a69bcac63 Author: Dave Chinner Date: Wed Apr 16 08:17:14 2014 +1000 xfs: unmount does not wait for shutdown during unmount And interesting situation can occur if a log IO error occurs during the unmount of a filesystem. The cases reported have the same signature - the update of the superblock counters fails due to a log write IO error: XFS (dm-16): xfs_do_force_shutdown(0x2) called from line 1170 of file fs/xfs/xfs_log.c. Return address = 0xffffffffa08a44a1 XFS (dm-16): Log I/O Error Detected. Shutting down filesystem XFS (dm-16): Unable to update superblock counters. Freespace may not be correct on next mount. XFS (dm-16): xfs_log_force: error 5 returned. XFS (¿-¿¿¿): Please umount the filesystem and rectify the problem(s) It can be seen that the last line of output contains a corrupt device name - this is because the log and xfs_mount structures have already been freed by the time this message is printed. A kernel oops closely follows. The issue is that the shutdown is occurring in a separate IO completion thread to the unmount. Once the shutdown processing has started and all the iclogs are marked with XLOG_STATE_IOERROR, the log shutdown code wakes anyone waiting on a log force so they can process the shutdown error. This wakes up the unmount code that is doing a synchronous transaction to update the superblock counters. The unmount path now sees all the iclogs are marked with XLOG_STATE_IOERROR and so never waits on them again, knowing that if it does, there will not be a wakeup trigger for it and we will hang the unmount if we do. Hence the unmount runs through all the remaining code and frees all the filesystem structures while the xlog_iodone() is still processing the shutdown. When the log shutdown processing completes, xfs_do_force_shutdown() emits the "Please umount the filesystem and rectify the problem(s)" message, and xlog_iodone() then aborts all the objects attached to the iclog. An iclog that has already been freed.... The real issue here is that there is no serialisation point between the log IO and the unmount. We have serialisations points for log writes, log forces, reservations, etc, but we don't actually have any code that wakes for log IO to fully complete. We do that for all other types of object, so why not iclogbufs? Well, it turns out that we can easily do this. We've got xfs_buf handles, and that's what everyone else uses for IO serialisation. i.e. bp->b_sema. So, lets hold iclogbufs locked over IO, and only release the lock in xlog_iodone() when we are finished with the buffer. That way before we tear down the iclog, we can lock and unlock the buffer to ensure IO completion has finished completely before we tear it down. Signed-off-by: Dave Chinner Tested-by: Mike Snitzer Tested-by: Bob Mastors Reviewed-by: Brian Foster Signed-off-by: Dave Chinner commit 5425a32d36703bf4099d597bb4eea5581efc2660 Author: Dave Chinner Date: Mon Apr 14 18:16:30 2014 +1000 xfs: collapse range is delalloc challenged FSX has been detecting data corruption after to collapse range calls. The key observation is that the offset of the last extent in the file was not being shifted, and hence when the file size was adjusted it was truncating away data because the extents handled been correctly shifted. Tracing indicated that before the collapse, the extent list looked like: .... ino 0x5788 state idx 6 offset 26 block 195904 count 10 flag 0 ino 0x5788 state idx 7 offset 39 block 195917 count 35 flag 0 ino 0x5788 state idx 8 offset 86 block 195964 count 32 flag 0 and after the shift of 2 blocks: ino 0x5788 state idx 6 offset 24 block 195904 count 10 flag 0 ino 0x5788 state idx 7 offset 37 block 195917 count 35 flag 0 ino 0x5788 state idx 8 offset 86 block 195964 count 32 flag 0 Note that the last extent did not change offset. After the changing of the file size: ino 0x5788 state idx 6 offset 24 block 195904 count 10 flag 0 ino 0x5788 state idx 7 offset 37 block 195917 count 35 flag 0 ino 0x5788 state idx 8 offset 86 block 195964 count 30 flag 0 You can see that the last extent had it's length truncated, indicating that we've lost data. The reason for this is that the xfs_bmap_shift_extents() loop uses XFS_IFORK_NEXTENTS() to determine how many extents are in the inode. This, unfortunately, doesn't take into account delayed allocation extents - it's a count of physically allocated extents - and hence when the file being collapsed has a delalloc extent like this one does prior to the range being collapsed: .... ino 0x5788 state idx 4 offset 11 block 4503599627239429 count 1 flag 0 .... it gets the count wrong and terminates the shift loop early. Fix it by using the in-memory extent array size that includes delayed allocation extents to determine the number of extents on the inode. Signed-off-by: Dave Chinner Tested-by: Brian Foster Reviewed-by: Christoph Hellwig Signed-off-by: Dave Chinner commit 68c1fb5d82c8206e78895169810298f181b9183a Author: Dave Chinner Date: Mon Apr 14 18:15:45 2014 +1000 xfs: don't map ranges that span EOF for direct IO Al Viro tracked down the problem that has caused generic/263 to fail on XFS since the test was introduced. If is caused by xfs_get_blocks() mapping a single extent that spans EOF without marking it as buffer-new() so that the direct IO code does not zero the tail of the block at the new EOF. This is a long standing bug that has been around for many, many years. Because xfs_get_blocks() starts the map before EOF, it can't set buffer_new(), because that causes he direct IO code to also zero unaligned sectors at the head of the IO. This would overwrite valid data with zeros, and hence we cannot validly return a single extent that spans EOF to direct IO. Fix this by detecting a mapping that spans EOF and truncate it down to EOF. This results in the the direct IO code doing the right thing for unaligned data blocks before EOF, and then returning to get another mapping for the region beyond EOF which XFS treats correctly by setting buffer_new() on it. This makes direct Io behave correctly w.r.t. tail block zeroing beyond EOF, and fsx is happy about that. Again, thanks to Al Viro for finding what I couldn't. Signed-off-by: Dave Chinner Tested-by: Brian Foster Reviewed-by: Christoph Hellwig Signed-off-by: Dave Chinner commit 897b73b6a2ee5d3c06648b601beb1724f7fbd678 Author: Dave Chinner Date: Mon Apr 14 18:15:11 2014 +1000 xfs: zeroing space needs to punch delalloc blocks When we are zeroing space andit is covered by a delalloc range, we need to punch the delalloc range out before we truncate the page cache. Failing to do so leaves and inconsistency between the page cache and the extent tree, which we later trip over when doing direct IO over the same range. Signed-off-by: Dave Chinner Tested-by: Brian Foster Reviewed-by: Christoph Hellwig Signed-off-by: Dave Chinner commit aad3f3755e7f043789b772856d1a2935f2b41a4b Author: Dave Chinner Date: Mon Apr 14 18:14:11 2014 +1000 xfs: xfs_vm_write_end truncates too much on failure Similar to the write_begin problem, xfs-vm_write_end will truncate back to the old EOF, potentially removing page cache from over the top of delalloc blocks with valid data in them. Fix this by truncating back to just the start of the failed write. Signed-off-by: Dave Chinner Tested-by: Brian Foster Reviewed-by: Christoph Hellwig Signed-off-by: Dave Chinner commit 72ab70a19b4ebb19dbe2a79faaa6a4ccead58e70 Author: Dave Chinner Date: Mon Apr 14 18:13:29 2014 +1000 xfs: write failure beyond EOF truncates too much data If we fail a write beyond EOF and have to handle it in xfs_vm_write_begin(), we truncate the inode back to the current inode size. This doesn't take into account the fact that we may have already made successful writes to the same page (in the case of block size < page size) and hence we can truncate the page cache away from blocks with valid data in them. If these blocks are delayed allocation blocks, we now have a mismatch between the page cache and the extent tree, and this will trigger - at minimum - a delayed block count mismatch assert when the inode is evicted from the cache. We can also trip over it when block mapping for direct IO - this is the most common symptom seen from fsx and fsstress when run from xfstests. Fix it by only truncating away the exact range we are updating state for in this write_begin call. Signed-off-by: Dave Chinner Tested-by: Brian Foster Reviewed-by: Christoph Hellwig Signed-off-by: Dave Chinner commit 4ab9ed578e82851645f3dd69d36d91ae77564d6c Author: Dave Chinner Date: Mon Apr 14 18:11:58 2014 +1000 xfs: kill buffers over failed write ranges properly When a write fails, if we don't clear the delalloc flags from the buffers over the failed range, they can persist beyond EOF and cause problems. writeback will see the pages in the page cache, see they are dirty and continually retry the write, assuming that the page beyond EOF is just racing with a truncate. The page will eventually be released due to some other operation (e.g. direct IO), and it will not pass through invalidation because it is dirty. Hence it will be released with buffer_delay set on it, and trigger warnings in xfs_vm_releasepage() and assert fail in xfs_file_aio_write_direct because invalidation failed and we didn't write the corect amount. This causes failures on block size < page size filesystems in fsx and fsstress workloads run by xfstests. Fix it by completely trashing any state on the buffer that could be used to imply that it contains valid data when the delalloc range over the buffer is punched out during the failed write handling. Signed-off-by: Dave Chinner Tested-by: Brian Foster Reviewed-by: Christoph Hellwig Signed-off-by: Dave Chinner ----------------------------------------------------------------------- Summary of changes: fs/xfs/xfs_aops.c | 51 ++++++++++++++++++++++++++++++++++++++++++------ fs/xfs/xfs_bmap.c | 17 ++++++++++------ fs/xfs/xfs_bmap_util.c | 13 ++++++++++++- fs/xfs/xfs_buf.c | 16 +++++++++++---- fs/xfs/xfs_file.c | 2 +- fs/xfs/xfs_inode.c | 5 +++-- fs/xfs/xfs_inode.h | 2 +- fs/xfs/xfs_iops.c | 20 ++++++++++++++++--- fs/xfs/xfs_log.c | 53 +++++++++++++++++++++++++++++++++++++++++--------- fs/xfs/xfs_trace.h | 1 + 10 files changed, 147 insertions(+), 33 deletions(-) hooks/post-receive -- XFS development tree From david@fromorbit.com Tue Apr 15 19:07:23 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 3B6857F3F for ; Tue, 15 Apr 2014 19:07:23 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 1C18630407E for ; Tue, 15 Apr 2014 17:07:22 -0700 (PDT) X-ASG-Debug-ID: 1397606837-04cb6c24366b940001-NocioJ Received: from ipmail07.adl2.internode.on.net (ipmail07.adl2.internode.on.net [150.101.137.131]) by cuda.sgi.com with ESMTP id sYWIE2a1TsSkiLEG for ; Tue, 15 Apr 2014 17:07:18 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.131 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AhMHAALJTVN5LEcv/2dsb2JhbABaDoJ4O4MXimucSZNegVSECoEiF3SCJQEBAQMBOhwYCwULCAMYCSUPBSUDIROHdAcOzFIWjFCBfQeEOASYYZJGgnFSKw Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail07.adl2.internode.on.net with ESMTP; 16 Apr 2014 09:36:48 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WaDN5-00064o-2N; Wed, 16 Apr 2014 10:06:35 +1000 Date: Wed, 16 Apr 2014 10:06:35 +1000 From: Dave Chinner To: Theodore Ts'o Cc: Eric Sandeen , =?utf-8?B?THVrw6HFoQ==?= Czerner , Ext4 Developers List , Namjae Jeon , xfs@oss.sgi.com Subject: Re: [PATCH] ext4: add fallocate mode blocking for debugging purposes Message-ID: <20140416000634.GT15995@dastard> X-ASG-Orig-Subj: Re: [PATCH] ext4: add fallocate mode blocking for debugging purposes References: <1397420518-29218-1-git-send-email-tytso@mit.edu> <20140413220016.GD8122@thunk.org> <534D5B2D.70408@redhat.com> <20140415184442.GC4456@thunk.org> <534DB38B.7030805@redhat.com> <20140415233039.GR4456@thunk.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140415233039.GR4456@thunk.org> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail07.adl2.internode.on.net[150.101.137.131] X-Barracuda-Start-Time: 1397606837 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4952 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- [added xfs@oss.sgi.com] On Tue, Apr 15, 2014 at 07:30:39PM -0400, Theodore Ts'o wrote: > On Tue, Apr 15, 2014 at 05:32:43PM -0500, Eric Sandeen wrote: > > > I also had a sneaking suspicion that we might have a similar issue > > > with the INSERT RANGE patches which are coming down the pike, and so > > > having a general way of also being able INSERT RANGE if to be able to > > > quickly determine whether a potential bug was caused by INSERT RANGE > > > or some other pending changes might also be useful. > > > > Also: I'd humbly suggest just not merging those until they pass stringent > > tests like fsx & fsstress... > > > > Adding a pre-emptive knob to turn them off post-merge when they turn > > out to be broken sounds backwards to me... > > Having learned from COLLAPSE RANGE, I agree. The fact that we didn't > have full testing during the whole development cycle was unfortunate. > And we got lucky with the renameat patches, since I wasn't able to get > tha testing done because the xfstests commits didn't get merged until > *after* the they renameat commits got merged, and also because I > didn't notice that the i386 system call wasn't wired up when I was > doing my manual "just before I push to Linus" testing. I asked for renameat2 tests long before inclusion occurred. The fact is that we can't co-ordinate xfstests inclusion for a feature that we don't even know is going to be included until someone sends Linus a pull request.... > I plan on insisting that INSERT RANGE support being in the VFS, and be > fully enabled, and that we have full INSERT RANGE testing into > xfstests, during the development cycle. There wasn't a problem with the timing of xfstests inclusion - the problem was with the fact we didn't have sufficient QA coverage in xfstests when the initial upstream kernel commits occurred. This time around, the difference will be that this time we'll have fsx and fsstress coverage *before* kernel support is added, and I've already asked for that: http://oss.sgi.com/archives/xfs/2014-04/msg00121.html > Some of the work that I've > been doing with kvm-xfstests and why I created a github tytso/xfstests > git tree is specifically to make sure things go much more smoothly > this time around. Ted, this looks and sounds like you're preparing to fork xfstests. Why? What's the problem with working upstream on test development and refinement like everyone else does? This thread is a demonstration of how avoiding upstream interaction results in nasty hacks being proposed. If you asked the question on the xfs mailing list of how to avoid various fsstress/fsx operations, we woul dhave told you that using FSSTRESS_AVOID and adding an equivalent FSX_AVOID to xfstests is all that is needed. i.e. we already have partial infrastructure support for what you need in xfstests and it would be about 30 minutes work to add FSX_AVOID.... Is that fast enough for you? Indeed, we could also use similar env vars to ensure various _requires_* checks fail and to populate FSSTRESS_AVOID/FSX_AVOID automatically and so tests that require this functionality are not run. IOWs, it's in your best interests to work with upstream to add the functionality you require to xfstests. History tells us that forking development into private repositories has never worked out well for anyone, so I'd really, really like you to *at least try* to work with upstream as your primary test development environment.... Cheers, Dave. -- Dave Chinner david@fromorbit.com From david@fromorbit.com Tue Apr 15 19:15:51 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id A49CB7F4E for ; Tue, 15 Apr 2014 19:15:51 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id 84A2C304077 for ; Tue, 15 Apr 2014 17:15:51 -0700 (PDT) X-ASG-Debug-ID: 1397607345-04cbb06e9c6d1b0001-NocioJ Received: from ipmail07.adl2.internode.on.net (ipmail07.adl2.internode.on.net [150.101.137.131]) by cuda.sgi.com with ESMTP id GjqlwdsqGSX9vh1k for ; Tue, 15 Apr 2014 17:15:46 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.131 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AnoGAGfKTVN5LEcv/2dsb2JhbABaDoJ4g1K7EoVegSIXdIIlAQEBBDocIxAIAxgJJQ8FJQMhE4d7zEsXFo5NB4Q4BJR1g2ySRoJxUis Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail07.adl2.internode.on.net with ESMTP; 16 Apr 2014 09:45:44 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WaDVi-00066A-CA; Wed, 16 Apr 2014 10:15:30 +1000 Date: Wed, 16 Apr 2014 10:15:30 +1000 From: Dave Chinner To: Theodore Ts'o Cc: xfs@oss.sgi.com, Ext4 Developers List Subject: Re: [PATCH] check: add support for an external test expunging file Message-ID: <20140416001530.GU15995@dastard> X-ASG-Orig-Subj: Re: [PATCH] check: add support for an external test expunging file References: <1397530320-20579-1-git-send-email-tytso@mit.edu> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1397530320-20579-1-git-send-email-tytso@mit.edu> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail07.adl2.internode.on.net[150.101.137.131] X-Barracuda-Start-Time: 1397607345 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4952 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Mon, Apr 14, 2014 at 10:52:00PM -0400, Theodore Ts'o wrote: > Currently the -X option is intended to specify a set of expunging > files which are stored in each test/* subdirectory. As described in > the commit description for 0b1e8abd4, in order to exclude the test > generic/280, the -X option is used as follows: > > $ cat tests/generic/3.0-stable-avoid > 280 > $ sudo ./check -X 3.0-stable-avoid generic/280 > > However, it is sometimes useful to store the set of expunged tests in > a single file, outside of tests/* subdirectories. This commit allows > the following: > > $ cat /root/conf/data_journal.exclude > generic/068 > ext4/301 > $ sudo ./check -X /root/conf/data_journal.exclude -g auto > > If the argument to the -X option is a pathname (that is, includes a > '/' character), treat it as the latter case. If it the argument to > the -X option is just a bare filename (that is, does not include '/' > character), treat it as the former. Can you add a new option rather than overloading the existing one with new meanings and semantics? Cheers, Dave. -- Dave Chinner david@fromorbit.com From david@fromorbit.com Tue Apr 15 19:24:09 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id B04467F4E for ; Tue, 15 Apr 2014 19:24:09 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id A44F08F8049 for ; Tue, 15 Apr 2014 17:24:06 -0700 (PDT) X-ASG-Debug-ID: 1397607843-04cbb06e9c6d4e0001-NocioJ Received: from ipmail07.adl2.internode.on.net (ipmail07.adl2.internode.on.net [150.101.137.131]) by cuda.sgi.com with ESMTP id DJiPIwr2OxAnGuSG for ; Tue, 15 Apr 2014 17:24:04 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.131 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AnoGAL/MTVN5LEcv/2dsb2JhbABagwaDUrsShV6BIhd0giUBAQEEOhwjEAgDGAklDwUlAyETh3vMTBcWjk0HhDgEmGGSRoFygVEr Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail07.adl2.internode.on.net with ESMTP; 16 Apr 2014 09:54:02 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WaDdl-00067q-Ju; Wed, 16 Apr 2014 10:23:49 +1000 Date: Wed, 16 Apr 2014 10:23:49 +1000 From: Dave Chinner To: Filipe David Borba Manana Cc: xfs@oss.sgi.com, linux-btrfs@vger.kernel.org, jbacik@fb.com Subject: Re: [PATCH] xfstests: btrfs, test send's ability to punch holes and prealloc extents Message-ID: <20140416002349.GV15995@dastard> X-ASG-Orig-Subj: Re: [PATCH] xfstests: btrfs, test send's ability to punch holes and prealloc extents References: <1397580201-27475-1-git-send-email-fdmanana@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1397580201-27475-1-git-send-email-fdmanana@gmail.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail07.adl2.internode.on.net[150.101.137.131] X-Barracuda-Start-Time: 1397607843 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4953 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Tue, Apr 15, 2014 at 05:43:21PM +0100, Filipe David Borba Manana wrote: > This test verifies that after an incremental btrfs send the replicated file has > the same exact hole and data structure as in the origin filesystem. This didn't > use to be the case before the send stream version 2 - holes were sent as write > operations of 0 valued bytes instead of punching holes with the fallocate system > call, and pre-allocated extents were sent as well as write operations of 0 valued > bytes instead of intructions for the receiver to use the fallocate system call. > Also checks that prealloc extents that lie beyond the file's size are replicated > by an incremental send. Can you wrap commit messages at 68 columns? .... > +md5sum $SCRATCH_MNT/mysnap2/foo | _filter_scratch > +# List all hole and data segments. > +$XFS_IO_PROG -r -c "seek -r -a 0" $SCRATCH_MNT/mysnap2/foo > +# List all extents, we're interested here in prealloc extents that lie beyond > +# the file's size. > +$XFS_IO_PROG -r -c "fiemap -l" $SCRATCH_MNT/mysnap2/foo | _filter_scratch That dumps raw block numbers into the golden output. _filter_fiemap is probably needed here. > +md5sum $SCRATCH_MNT/mysnap2/foo | _filter_scratch > +# List all hole and data segments. > +$XFS_IO_PROG -r -c "seek -r -a 0" $SCRATCH_MNT/mysnap2/foo > +# List all extents, we're interested here in prealloc extents that lie beyond > +# the file's size. > +$XFS_IO_PROG -r -c "fiemap -l" $SCRATCH_MNT/mysnap2/foo | _filter_scratch Same here. Cheers, Dave. -- Dave Chinner david@fromorbit.com From tytso@thunk.org Tue Apr 15 19:25:55 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id C689B7F4E for ; Tue, 15 Apr 2014 19:25:55 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id B5A198F8049 for ; Tue, 15 Apr 2014 17:25:55 -0700 (PDT) X-ASG-Debug-ID: 1397607953-04cbb06e9a6d5d0001-NocioJ Received: from imap.thunk.org (imap.thunk.org [74.207.234.97]) by cuda.sgi.com with ESMTP id EnwwHEVp56Xnoljq (version=TLSv1 cipher=AES128-SHA bits=128 verify=NO) for ; Tue, 15 Apr 2014 17:25:53 -0700 (PDT) X-Barracuda-Envelope-From: tytso@thunk.org X-Barracuda-Apparent-Source-IP: 74.207.234.97 Received: from root (helo=closure.thunk.org) by imap.thunk.org with local-esmtp (Exim 4.80) (envelope-from ) id 1WaDfk-0003er-OR; Wed, 16 Apr 2014 00:25:52 +0000 Received: by closure.thunk.org (Postfix, from userid 15806) id AA223580893; Tue, 15 Apr 2014 20:25:50 -0400 (EDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=thunk.org; s=ef5046eb; t=1397607950; bh=5uJUA0WduArOyoEQVSV4OpBLDTZdMxQGj14dcGeBlqQ=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=pkEB6gOl/jwFlPEtV09P60v8l5JtE8Xv5QDTaAnAGyVjtoI7aI/qS3cp52agAobrX pybzQBdP1TfxwR4Ygu8mZsltLP2v1ES+eAaelTiK1mLCLyJay9rpCCZrhYnM/clg4n +3Cij6o1RH+eck8OVJxxloD+BhFr3jD47ZqapRrE= Date: Tue, 15 Apr 2014 20:25:50 -0400 From: Theodore Ts'o To: Dave Chinner Cc: xfs@oss.sgi.com, Ext4 Developers List Subject: Re: [PATCH] check: add support for an external test expunging file Message-ID: <20140416002550.GB12078@thunk.org> X-ASG-Orig-Subj: Re: [PATCH] check: add support for an external test expunging file References: <1397530320-20579-1-git-send-email-tytso@mit.edu> <20140416001530.GU15995@dastard> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140416001530.GU15995@dastard> User-Agent: Mutt/1.5.23 (2014-03-12) X-SA-Exim-Connect-IP: X-SA-Exim-Mail-From: tytso@thunk.org X-SA-Exim-Scanned: No (on imap.thunk.org); SAEximRunCond expanded to false X-Barracuda-Connect: imap.thunk.org[74.207.234.97] X-Barracuda-Start-Time: 1397607953 X-Barracuda-Encrypted: AES128-SHA X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=DKIM_SIGNED, DKIM_VERIFIED X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4953 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- -0.00 DKIM_VERIFIED Domain Keys Identified Mail: signature passes verification 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature On Wed, Apr 16, 2014 at 10:15:30AM +1000, Dave Chinner wrote: > > If the argument to the -X option is a pathname (that is, includes a > > '/' character), treat it as the latter case. If it the argument to > > the -X option is just a bare filename (that is, does not include '/' > > character), treat it as the former. > > Can you add a new option rather than overloading the existing one > with new meanings and semantics? If that's your preference, sure. How does --expunge-list-file strike you? Or would you prefer something else? I'm easy. :-) - Ted From david@fromorbit.com Tue Apr 15 19:29:44 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id A94AD7F3F for ; Tue, 15 Apr 2014 19:29:44 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id 899DA304077 for ; Tue, 15 Apr 2014 17:29:41 -0700 (PDT) X-ASG-Debug-ID: 1397608179-04cbb06e9c6d740001-NocioJ Received: from ipmail07.adl2.internode.on.net (ipmail07.adl2.internode.on.net [150.101.137.131]) by cuda.sgi.com with ESMTP id GPurRLwLIrY7zhmy for ; Tue, 15 Apr 2014 17:29:39 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.131 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AnoGAOvNTVN5LEcv/2dsb2JhbABYgwaDUrsShV6BIhd0giUBAQEEOhwjEAgDGAklDwUNGAMhE4doAxDFTQ2GVhcWjDSCGQeEOASWdIFtjHeFT4NDKw Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail07.adl2.internode.on.net with ESMTP; 16 Apr 2014 09:59:38 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WaDjB-00068m-Ot; Wed, 16 Apr 2014 10:29:25 +1000 Date: Wed, 16 Apr 2014 10:29:25 +1000 From: Dave Chinner To: Filipe David Borba Manana Cc: xfs@oss.sgi.com, jbacik@fb.com, linux-btrfs@vger.kernel.org Subject: Re: [PATCH] xfstests: btrfs, add test for btrfs properties Message-ID: <20140416002925.GW15995@dastard> X-ASG-Orig-Subj: Re: [PATCH] xfstests: btrfs, add test for btrfs properties References: <1397591424-25439-1-git-send-email-fdmanana@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1397591424-25439-1-git-send-email-fdmanana@gmail.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail07.adl2.internode.on.net[150.101.137.131] X-Barracuda-Start-Time: 1397608179 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4953 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Tue, Apr 15, 2014 at 08:50:24PM +0100, Filipe David Borba Manana wrote: > This test case verifies the btrfs properties feature, a new feature > introduced in the linux kernel version 3.14. > > Signed-off-by: Filipe David Borba Manana ... > --- > common/rc | 9 +++ > tests/btrfs/048 | 220 ++++++++++++++++++++++++++++++++++++++++++++++++++++ > tests/btrfs/048.out | 78 +++++++++++++++++++ > tests/btrfs/group | 1 + > 4 files changed, 308 insertions(+) > create mode 100755 tests/btrfs/048 > create mode 100644 tests/btrfs/048.out > > diff --git a/common/rc b/common/rc > index acf419b..d4ba74f 100644 > --- a/common/rc > +++ b/common/rc > @@ -2262,6 +2262,15 @@ _run_btrfs_util_prog() > run_check $BTRFS_UTIL_PROG $* > } > > +_require_btrfs_properties() > +{ > + $BTRFS_UTIL_PROG | grep 'btrfs property ' > /dev/null 2>&1 > + if [ $? -ne 0 ] > + then > + _notrun "Missing btrfs-progs with properties support, skipped this test" > + fi if [ ... ]; then .... > +seq=`basename $0` > +seqres=$RESULT_DIR/$seq > +echo "QA output created by $seq" > + > +here="`pwd`" > +tmp=/tmp/$$ > + > +status=1 # failure is the default! > +trap "_cleanup; exit \$status" 0 1 2 3 15 > + > +send_files_dir=$TEST_DIR/btrfs-test-$seq You should define this after including the common/* files. Cheers, Dave. -- Dave Chinner david@fromorbit.com From david@fromorbit.com Tue Apr 15 19:32:00 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 14C9E7F3F for ; Tue, 15 Apr 2014 19:32:00 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id E597E304077 for ; Tue, 15 Apr 2014 17:31:59 -0700 (PDT) X-ASG-Debug-ID: 1397608317-04cb6c24366c3c0001-NocioJ Received: from ipmail07.adl2.internode.on.net (ipmail07.adl2.internode.on.net [150.101.137.131]) by cuda.sgi.com with ESMTP id q6fGACaODZA3LZN5 for ; Tue, 15 Apr 2014 17:31:57 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.131 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AnoGABHPTVN5LEcv/2dsb2JhbABagwaDUrsShV6BIhd0giUBAQEEOhwjEAgDFQMJJQ8FJQMhE4d7y1gXFo5NB4Q4BJhhkkaDQys Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail07.adl2.internode.on.net with ESMTP; 16 Apr 2014 10:01:18 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WaDkn-00069U-Fr; Wed, 16 Apr 2014 10:31:05 +1000 Date: Wed, 16 Apr 2014 10:31:05 +1000 From: Dave Chinner To: Miklos Szeredi Cc: xfs@oss.sgi.com Subject: Re: [xfstests PATCH] renameat2 syscall: turn EEXIST into ENOTEMPTY Message-ID: <20140416003105.GX15995@dastard> X-ASG-Orig-Subj: Re: [xfstests PATCH] renameat2 syscall: turn EEXIST into ENOTEMPTY References: <20140414104953.GE10187@tucsk.piliscsaba.szeredi.hu> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140414104953.GE10187@tucsk.piliscsaba.szeredi.hu> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail07.adl2.internode.on.net[150.101.137.131] X-Barracuda-Start-Time: 1397608317 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4953 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Mon, Apr 14, 2014 at 12:49:53PM +0200, Miklos Szeredi wrote: > From: Miklos Szeredi > > XFS is returning EEXIST rather than ENOTEMPTY for several of > these rename tests. The rename man page says this about the errors: > > ENOTEMPTY or EEXIST > newpath is a nonempty directory, that is, contains > entries other than "." and "..". > > Which implies that both errors are valid and so the test should pass > in either case. > > Signed-off-by: Miklos Szeredi looks good. Reviewed-by: Dave Chinner -- Dave Chinner david@fromorbit.com From david@fromorbit.com Tue Apr 15 19:32:18 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id E75C67F3F for ; Tue, 15 Apr 2014 19:32:18 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id D29FA30407A for ; Tue, 15 Apr 2014 17:32:18 -0700 (PDT) X-ASG-Debug-ID: 1397608336-04cbb06e9d6d840001-NocioJ Received: from ipmail07.adl2.internode.on.net (ipmail07.adl2.internode.on.net [150.101.137.131]) by cuda.sgi.com with ESMTP id X8zSv6zFj32oFxcs for ; Tue, 15 Apr 2014 17:32:17 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.131 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AnoGABHPTVN5LEcv/2dsb2JhbABaDoJ4g1K7EoVegSIXdIIlAQEBBDocIxAIAxgJJQ8FJQMhE4d7y1gXFo5NB4Q4BJhhkkaCcVIr Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail07.adl2.internode.on.net with ESMTP; 16 Apr 2014 10:02:15 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WaDli-00069g-PJ; Wed, 16 Apr 2014 10:32:02 +1000 Date: Wed, 16 Apr 2014 10:32:02 +1000 From: Dave Chinner To: Theodore Ts'o Cc: xfs@oss.sgi.com, Miklos Szeredi , Ext4 Developers List Subject: Re: [PATCH] renameat2: add system call number for i386 Message-ID: <20140416003202.GY15995@dastard> X-ASG-Orig-Subj: Re: [PATCH] renameat2: add system call number for i386 References: <1397344384-15302-1-git-send-email-tytso@mit.edu> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1397344384-15302-1-git-send-email-tytso@mit.edu> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail07.adl2.internode.on.net[150.101.137.131] X-Barracuda-Start-Time: 1397608336 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4953 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Sat, Apr 12, 2014 at 07:13:04PM -0400, Theodore Ts'o wrote: > Signed-off-by: "Theodore Ts'o" > Cc: Miklos Szeredi > --- > src/renameat2.c | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/src/renameat2.c b/src/renameat2.c > index 5145959..8613aa9 100644 > --- a/src/renameat2.c > +++ b/src/renameat2.c > @@ -14,6 +14,10 @@ > #define SYS_renameat2 316 > #endif > > +#if !defined(SYS_renameat2) && defined(__i386__) > +#define SYS_renameat2 353 > +#endif > + > static int renameat2(int dfd1, const char *path1, > int dfd2, const char *path2, > unsigned int flags) Yup, matches the kernel code. Looks good. Reviewed-by: Dave Chinner -- Dave Chinner david@fromorbit.com From david@fromorbit.com Tue Apr 15 19:34:36 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 7898F7F3F for ; Tue, 15 Apr 2014 19:34:36 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id 5BE2E8F8065 for ; Tue, 15 Apr 2014 17:34:36 -0700 (PDT) X-ASG-Debug-ID: 1397608471-04bdf045546f090001-NocioJ Received: from ipmail07.adl2.internode.on.net (ipmail07.adl2.internode.on.net [150.101.137.131]) by cuda.sgi.com with ESMTP id GVsl9V3zpJtmpyIv for ; Tue, 15 Apr 2014 17:34:31 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.131 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AnoGABHPTVN5LEcv/2dsb2JhbABaDoJ4g1K7EoVegSIXdIIlAQEBBDocIxAIAxgJJQ8FJQMhE4d7y1gXFo5NB4Q4AQOYYZJGgnFSKw Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail07.adl2.internode.on.net with ESMTP; 16 Apr 2014 10:04:30 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WaDnt-00069z-FO; Wed, 16 Apr 2014 10:34:17 +1000 Date: Wed, 16 Apr 2014 10:34:17 +1000 From: Dave Chinner To: Theodore Ts'o Cc: xfs@oss.sgi.com, Ext4 Developers List Subject: Re: [PATCH] check: add support for an external test expunging file Message-ID: <20140416003417.GZ15995@dastard> X-ASG-Orig-Subj: Re: [PATCH] check: add support for an external test expunging file References: <1397530320-20579-1-git-send-email-tytso@mit.edu> <20140416001530.GU15995@dastard> <20140416002550.GB12078@thunk.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140416002550.GB12078@thunk.org> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail07.adl2.internode.on.net[150.101.137.131] X-Barracuda-Start-Time: 1397608471 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4953 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Tue, Apr 15, 2014 at 08:25:50PM -0400, Theodore Ts'o wrote: > On Wed, Apr 16, 2014 at 10:15:30AM +1000, Dave Chinner wrote: > > > If the argument to the -X option is a pathname (that is, includes a > > > '/' character), treat it as the latter case. If it the argument to > > > the -X option is just a bare filename (that is, does not include '/' > > > character), treat it as the former. > > > > Can you add a new option rather than overloading the existing one > > with new meanings and semantics? > > If that's your preference, sure. How does --expunge-list-file strike > you? Or would you prefer something else? I'm easy. :-) -E/--expunge-file is fine by me. Cheers, Dave. -- Dave Chinner david@fromorbit.com From david@fromorbit.com Tue Apr 15 19:38:32 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 487207F3F for ; Tue, 15 Apr 2014 19:38:32 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 327C930407B for ; Tue, 15 Apr 2014 17:38:32 -0700 (PDT) X-ASG-Debug-ID: 1397608709-04cb6c24396c690001-NocioJ Received: from ipmail07.adl2.internode.on.net (ipmail07.adl2.internode.on.net [150.101.137.131]) by cuda.sgi.com with ESMTP id cshwrBqUPNSvWjhR for ; Tue, 15 Apr 2014 17:38:29 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.131 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: ArgGABTQTVN5LEcv/2dsb2JhbABagwY7gxenNJIGgViEUYIvF3SDAjskNAUlAzSHe5lwsgcWjmqCGA9ngRQEmGGSRoNDKw Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail07.adl2.internode.on.net with ESMTP; 16 Apr 2014 10:08:29 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WaDrk-0006Bs-EJ for xfs@oss.sgi.com; Wed, 16 Apr 2014 10:38:16 +1000 Date: Wed, 16 Apr 2014 10:38:16 +1000 From: Dave Chinner To: xfs@oss.sgi.com Subject: [ANNOUNCE] xfstests: master branch updated to cd444c6 Message-ID: <20140416003816.GA15995@dastard> X-ASG-Orig-Subj: [ANNOUNCE] xfstests: master branch updated to cd444c6 MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="wzJLGUyc3ArbnUjN" Content-Disposition: inline User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail07.adl2.internode.on.net[150.101.137.131] X-Barracuda-Start-Time: 1397608709 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4953 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- --wzJLGUyc3ArbnUjN Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hi folks, The xfstests repository at git://oss.sgi.com/xfs/cmds/xfstests has just been updated. Patches often get missed, so please check if your outstanding patches were in this update. If they have not been in this update, please resubmit them to xfs@oss.sgi.com so they can be picked up in the next update. The new head of the master branch is commit: cd444c6 renameat2 syscall: turn EEXIST into ENOTEMPTY New Commits: Miklos Szeredi (1): [cd444c6] renameat2 syscall: turn EEXIST into ENOTEMPTY Theodore Ts'o (1): [5fba951] generic: add renameat2 system call number for i386 Code Diffstat: src/renameat2.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) --=20 Dave Chinner david@fromorbit.com --wzJLGUyc3ArbnUjN Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQIcBAEBAgAGBQJTTdD3AAoJEK3oKUf0dfodA9gP/iubBLoi2DR2k0R0Fj50CN// xGWMlKSGhOdlqCX2RmbbzZicLxMQdLSI98pquP9WUr2XIg/FvG7DX2cQDrIhjxa1 1W+TvuQiyd8+lQc+zbPrVl4Txu3Exx7modBG9RDJGQMpYcE4VSj0MSQB8rV1ix2W CdrE11YufKkp1Pf8BriONIIGuY8l3swV4VQtV3HBPrnS0atrLKAf9LqT3lR2BnrQ QIgmf2etG3TpjHOw6tSWtjJVL2HylWeyjnmaRDBJblMQ7OZRWQq6PEJMxAMmWJYO wjkWT+WwE/oKe+WmlGw41u7b6JGLniNHqjic85Y8x2eeJGvfVMKsizpTXRos4Vx0 VJ8068avSQWN5/YVMhMJfoFa3aHIPONmxzJEdAHiyNS8+C3UaUyBMGY7+/oNmXc6 O4SNUcC9MgME5A74sRW4lkEfI5m8P2SPOMhwqiTc/RvBBX4tXxYB66+Zfpc1M131 VLG3DGjfApD2x8Dsc2OaBSU0sE2ZrIpitk7vz00hug+K4dyKFJ6hFcosOwiboSIj l2eu7YyoS4fPp+4tJNpuEMp6riProNQ2JCnYi9Br9OXDeJV0+Hg1rlwFaFsh22ya Nr547DUNiqantH5bFaQ57VrDQHUqOi4bGdJZBXW0uqCKu6CsPn5MYPhqPbhop981 L2EipBaO65fL5vLUJmZG =gQIp -----END PGP SIGNATURE----- --wzJLGUyc3ArbnUjN-- From david@fromorbit.com Tue Apr 15 19:42:01 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 6F99E7F3F for ; Tue, 15 Apr 2014 19:42:01 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 59B4730404E for ; Tue, 15 Apr 2014 17:42:01 -0700 (PDT) X-ASG-Debug-ID: 1397608918-04cb6c24376c7e0001-NocioJ Received: from ipmail07.adl2.internode.on.net (ipmail07.adl2.internode.on.net [150.101.137.131]) by cuda.sgi.com with ESMTP id wJLgwg9CFJBDlilt for ; Tue, 15 Apr 2014 17:41:58 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.131 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AnoGADjRTVN5LEcv/2dsb2JhbABagwaDUrsShV6BIhd0giUBAQEEOhwjEAgDDgoJJQ8FJQMhE4d7y2AXFo5NB4MkgRQEmGGSRoNDK4EuJA Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail07.adl2.internode.on.net with ESMTP; 16 Apr 2014 10:11:57 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WaDv7-0006CR-7P; Wed, 16 Apr 2014 10:41:45 +1000 Date: Wed, 16 Apr 2014 10:41:45 +1000 From: Dave Chinner To: Brian Foster Cc: xfs@oss.sgi.com Subject: Re: [PATCH 3/9] repair: ensure prefetched buffers have CRCs validated Message-ID: <20140416004145.GB15995@dastard> X-ASG-Orig-Subj: Re: [PATCH 3/9] repair: ensure prefetched buffers have CRCs validated References: <1397550301-31883-1-git-send-email-david@fromorbit.com> <1397550301-31883-4-git-send-email-david@fromorbit.com> <20140415194000.GB3470@laptop.bfoster> <20140415214642.GN15995@dastard> <20140415220559.GE3470@laptop.bfoster> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140415220559.GE3470@laptop.bfoster> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail07.adl2.internode.on.net[150.101.137.131] X-Barracuda-Start-Time: 1397608918 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4953 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Tue, Apr 15, 2014 at 06:06:00PM -0400, Brian Foster wrote: > On Wed, Apr 16, 2014 at 07:46:42AM +1000, Dave Chinner wrote: > > On Tue, Apr 15, 2014 at 03:40:00PM -0400, Brian Foster wrote: > > > Should we always expect an unchecked buffer to be read with an ops > > > vector before being written? Even if so, this might look cleaner if we > > > didn't encode the possibility of running a read verifier on a dirty > > > buffer. I presume that would always fail as the crc is updated in the > > > write verifier. > > > > It should fail, and that's a good thing because writing to an > > unchecked buffer would indicate that we didn't validate it properly > > in the first place. Hence I thought that doing it this way leaves > > a canary that traps other problem usage with unchecked buffers. > > > > Realistically, we shouldn't be writing unchecked buffers - prefetch > > doesn't touch buffers, it just does IO, and so someone else has to > > read the buffers before they can be dirtied. If it's read without an > > ops structure then modified and read again with an ops structure, > > we'll catch it... > > > > Ah, I see. That sounds good, but a small comment there with the > reasoning to allow a read verifier to run on a dirty buffer would be > nice. :) Ok, I'll add one. Cheers, Dave. -- Dave Chinner david@fromorbit.com From tytso@thunk.org Tue Apr 15 21:51:46 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id EA2FF7F3F for ; Tue, 15 Apr 2014 21:51:45 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 8C11BAC002 for ; Tue, 15 Apr 2014 19:51:42 -0700 (PDT) X-ASG-Debug-ID: 1397616697-04cb6c243670730001-NocioJ Received: from imap.thunk.org (imap.thunk.org [74.207.234.97]) by cuda.sgi.com with ESMTP id 721CiXpWEtmdt2Es (version=TLSv1 cipher=AES128-SHA bits=128 verify=NO) for ; Tue, 15 Apr 2014 19:51:37 -0700 (PDT) X-Barracuda-Envelope-From: tytso@thunk.org X-Barracuda-Apparent-Source-IP: 74.207.234.97 Received: from root (helo=closure.thunk.org) by imap.thunk.org with local-esmtp (Exim 4.80) (envelope-from ) id 1WaFwk-0004Hw-Ug; Wed, 16 Apr 2014 02:51:35 +0000 Received: by closure.thunk.org (Postfix, from userid 15806) id 175F5580893; Tue, 15 Apr 2014 22:51:34 -0400 (EDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=thunk.org; s=ef5046eb; t=1397616694; bh=q9mp33YKRnfZ+ad6zQz3n0drM7SDU2qCUWnGnhpOfSE=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=VdX3r9k5hhAiSGHLk9F4lUn7tHaqQuqaDUL9Z6ni9Qj5X4odYUfe2kpl0kck+3Bb9 GTREg6lLpiIQ/KYqDA8lzUlEmxp9A0WfIXP1Rm0dEqI2wtw4lkpjmp5FwUPxtPE2dR TBxyCUBzlP5hVFPJWc2k17LqkXCK28b6ckbOKCfA= Date: Tue, 15 Apr 2014 22:51:34 -0400 From: Theodore Ts'o To: Dave Chinner Cc: Lukas Czerner , linux-fsdevel@vger.kernel.org, linux-ext4@vger.kernel.org, xfs@oss.sgi.com Subject: Re: [PATCH 2/3 v2] fs: Prevent doing FALLOC_FL_ZERO_RANGE on append only file Message-ID: <20140416025134.GB21807@thunk.org> X-ASG-Orig-Subj: Re: [PATCH 2/3 v2] fs: Prevent doing FALLOC_FL_ZERO_RANGE on append only file References: <1397580076-19826-1-git-send-email-lczerner@redhat.com> <1397580076-19826-2-git-send-email-lczerner@redhat.com> <20140415220220.GR15995@dastard> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140415220220.GR15995@dastard> User-Agent: Mutt/1.5.23 (2014-03-12) X-SA-Exim-Connect-IP: X-SA-Exim-Mail-From: tytso@thunk.org X-SA-Exim-Scanned: No (on imap.thunk.org); SAEximRunCond expanded to false X-Barracuda-Connect: imap.thunk.org[74.207.234.97] X-Barracuda-Start-Time: 1397616697 X-Barracuda-Encrypted: AES128-SHA X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=DKIM_SIGNED, DKIM_VERIFIED X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4956 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- -0.00 DKIM_VERIFIED Domain Keys Identified Mail: signature passes verification 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature On Wed, Apr 16, 2014 at 08:02:20AM +1000, Dave Chinner wrote: > On Tue, Apr 15, 2014 at 06:41:15PM +0200, Lukas Czerner wrote: > > Currently punch hole and collapse range fallocate operation are not > > allowed on append only file. This should be case for zero range as well. > > Fix it by allowing only pure fallocate (possibly with keep size set). > > > > Signed-off-by: Lukas Czerner Thanks, updated with Dave's suggested added parenthesis. - Ted From tytso@thunk.org Tue Apr 15 21:55:24 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 1B24F7F4E for ; Tue, 15 Apr 2014 21:55:24 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id E818A30407E for ; Tue, 15 Apr 2014 19:55:23 -0700 (PDT) X-ASG-Debug-ID: 1397616922-04cbb06e9d719c0001-NocioJ Received: from imap.thunk.org (imap.thunk.org [74.207.234.97]) by cuda.sgi.com with ESMTP id b3t0WzI8hlhiHiaM (version=TLSv1 cipher=AES128-SHA bits=128 verify=NO) for ; Tue, 15 Apr 2014 19:55:22 -0700 (PDT) X-Barracuda-Envelope-From: tytso@thunk.org X-Barracuda-Apparent-Source-IP: 74.207.234.97 Received: from root (helo=closure.thunk.org) by imap.thunk.org with local-esmtp (Exim 4.80) (envelope-from ) id 1WaG0Q-0004IE-3W; Wed, 16 Apr 2014 02:55:22 +0000 Received: by closure.thunk.org (Postfix, from userid 15806) id 523D1580893; Tue, 15 Apr 2014 22:55:21 -0400 (EDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=thunk.org; s=ef5046eb; t=1397616921; bh=4a7PLv4oW2ZosX1k4DJwQiD9hoMRBwvx3yiZDsIVrkg=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=GFPPcIuQX8r/gtOuTGwdvezJN/+eUIsxokXfeGsm25uRbWaJ1R8h4gVxR9CrSggiK EsjvJlmMeRLqppJwPx3GV4Is5e71emQSiIh+PALFCZ0NTDniiR2p9/2hAOcsNtsGwQ M90QC2uUOhZp+JGyIEqBOrVsoUoP3YkyvsgvBuYA= Date: Tue, 15 Apr 2014 22:55:21 -0400 From: Theodore Ts'o To: Lukas Czerner Cc: linux-fsdevel@vger.kernel.org, linux-ext4@vger.kernel.org, xfs@oss.sgi.com Subject: Re: [PATCH 3/3 v2] fs: move falloc collapse range check into the filesystem methods Message-ID: <20140416025521.GC21807@thunk.org> X-ASG-Orig-Subj: Re: [PATCH 3/3 v2] fs: move falloc collapse range check into the filesystem methods References: <1397580076-19826-1-git-send-email-lczerner@redhat.com> <1397580076-19826-3-git-send-email-lczerner@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1397580076-19826-3-git-send-email-lczerner@redhat.com> User-Agent: Mutt/1.5.23 (2014-03-12) X-SA-Exim-Connect-IP: X-SA-Exim-Mail-From: tytso@thunk.org X-SA-Exim-Scanned: No (on imap.thunk.org); SAEximRunCond expanded to false X-Barracuda-Connect: imap.thunk.org[74.207.234.97] X-Barracuda-Start-Time: 1397616922 X-Barracuda-Encrypted: AES128-SHA X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=DKIM_SIGNED, DKIM_VERIFIED X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4956 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- -0.00 DKIM_VERIFIED Domain Keys Identified Mail: signature passes verification 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature On Tue, Apr 15, 2014 at 06:41:16PM +0200, Lukas Czerner wrote: > Currently in do_fallocate in collapse range case we're checking whether > offset + len is not bigger than i_size. However there is nothing which > would prevent i_size from changing so the check is pointless. It should > be done in the file system itself and the file system needs to make sure > that i_size is not going to change. The i_size check for the other > fallocate modes are also done in the filesystems. > > As it is now we can easily crash kernel by having two processes doing > truncate and fallocate collapse range at the same time. This can be > reproduced on ext4 and it is theoretically possible on xfs even though I > was not able to trigger it with this simple test. > > This commit removes the check from do_fallocate and adds it to the file > system. > > Signed-off-by: Lukas Czerner > Acked-by: Dave Chinner > Reviewed-by: Christoph Hellwig Thanks, updated. - Ted From pvotdeuh@mail.ru Tue Apr 15 23:17:46 2014 Return-Path: X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 06BBE7F3F for ; Tue, 15 Apr 2014 23:17:46 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id D27708F8049 for ; Tue, 15 Apr 2014 21:17:42 -0700 (PDT) X-ASG-Debug-ID: 1397621858-04cb6c2438727e0001-NocioJ Received: from fsa.ru (mx.fsa.ru [91.221.29.8]) by cuda.sgi.com with ESMTP id DL4HISxilGNf35yG for ; Tue, 15 Apr 2014 21:17:39 -0700 (PDT) X-Barracuda-Envelope-From: pvotdeuh@mail.ru X-Barracuda-Apparent-Source-IP: 91.221.29.8 Received: from [82.207.51.92] (account vab@fsa.ru HELO 92-51-207-82.ip.ukrtel.net) by fsa.ru (CommuniGate Pro SMTP 6.0.7) with ESMTPA id 282427; Wed, 16 Apr 2014 08:15:23 +0400 Received-SPF: softfail receiver=fsa.ru; client-ip=82.207.51.92; envelope-from=pvotdeuh@mail.ru Message-ID: <7F2863FD5B094A2A8C0B555E6CA8C3B4@dntgga> Reply-To: "kcjqou" From: "kcjqou" To: "axejy" Subject: =?windows-1251?B?3fLgIPjy8+rgIPHv7vHu4e3gIO7h8ODy6PL8?= =?windows-1251?B?IOLt6Ozg7ejlIO3gIPfy7iDz4+7k7e4h?= Date: Wed, 16 Apr 2014 10:15:21 +0500 X-ASG-Orig-Subj: =?windows-1251?B?3fLgIPjy8+rgIPHv7vHu4e3gIO7h8ODy6PL8?= =?windows-1251?B?IOLt6Ozg7ejlIO3gIPfy7iDz4+7k7e4h?= Organization: =?windows-1251?B?zs7Oq8/w7vTo8i3Muw==?= MIME-Version: 1.0 Content-Type: multipart/related; type="multipart/alternative"; boundary="----=_NextPart_000_01EE_01CF595C.C626AB40" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Windows Live Mail 14.0.8089.726 X-MimeOLE: Produced By Microsoft MimeOLE V14.0.8089.726 X-Barracuda-Connect: mx.fsa.ru[91.221.29.8] X-Barracuda-Start-Time: 1397621858 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Barracuda-BRTS-Status: 1 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-Spam-Score: -1001.00 X-Barracuda-Spam-Status: No, SCORE=-1001.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 This is a multi-part message in MIME format. ------=_NextPart_000_01EE_01CF595C.C626AB40 Content-Type: multipart/alternative; boundary="----=_NextPart_001_01EF_01CF595C.C626AB40" ------=_NextPart_001_01EF_01CF595C.C626AB40 Content-Type: text/plain; charset="windows-1251" Content-Transfer-Encoding: quoted-printable =CA=D3=CF=C8=D2=DC =CA=D3=CF=C8=D2=DC ------=_NextPart_001_01EF_01CF595C.C626AB40 Content-Type: text/html; charset="windows-1251" Content-Transfer-Encoding: quoted-printable
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xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 416527F4E for ; Tue, 15 Apr 2014 23:17:49 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 2A58F8F8049 for ; Tue, 15 Apr 2014 21:17:49 -0700 (PDT) X-ASG-Debug-ID: 1397621866-04cb6c2439727f0001-NocioJ Received: from mx2.suse.de (cantor2.suse.de [195.135.220.15]) by cuda.sgi.com with ESMTP id 3L6Ox5dTJTW2Ve5G (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Tue, 15 Apr 2014 21:17:47 -0700 (PDT) X-Barracuda-Envelope-From: neilb@suse.de X-Barracuda-Apparent-Source-IP: 195.135.220.15 Received: from relay2.suse.de (charybdis-ext.suse.de [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id E71ABAB0E; Wed, 16 Apr 2014 04:17:45 +0000 (UTC) From: NeilBrown To: linux-mm@kvack.org, linux-nfs@vger.kernel.org, linux-kernel@vger.kernel.org Date: Wed, 16 Apr 2014 14:03:35 +1000 Subject: [PATCH/RFC 00/19] Support loop-back NFS mounts Cc: xfs@oss.sgi.com X-ASG-Orig-Subj: [PATCH/RFC 00/19] Support loop-back NFS mounts cc: Peter Zijlstra , Ingo Molnar cc: Ming Lei Cc: netdev@vger.kernel.org Message-ID: <20140416033623.10604.69237.stgit@notabene.brown> User-Agent: StGit/0.16 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Barracuda-Connect: cantor2.suse.de[195.135.220.15] X-Barracuda-Start-Time: 1397621867 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4958 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- Loop-back NFS mounts are when the NFS client and server run on the same host. The use-case for this is a high availability cluster with shared storage. The shared filesystem is mounted on any one machine and NFS-mounted on the others. If the nfs server fails, some other node will take over that service, and then it will have a loop-back NFS mount which needs to keep working. This patch set addresses the "keep working" bit and specifically addresses deadlocks and livelocks. Allowing the fail-over itself to be deadlock free is a separate challenge for another day. The short description of how this works is: deadlocks: - Elevate PF_FSTRANS to apply globally instead of just in NFS and XFS. PF_FSTRANS disables __GFP_NS in the same way that PF_MEMALLOC_NOIO disables __GFP_IO. - Set PF_FSTRANS in nfsd when handling requests related to memory reclaim, or requests which could block requests related to memory reclaim. - Use lockdep to find all consequent deadlocks from some other thread allocating memory while holding a lock that nfsd might want. - Fix those other deadlocks by setting PF_FSTRANS or using GFP_NOFS as appropriate. livelocks: - identify throttling during reclaim and bypass it when PF_LESS_THROTTLE is set - only set PF_LESS_THROTTLE for nfsd when handling write requests from the local host. The last 12 patches address various deadlocks due to locking chains. 11 were found by lockdep, 2 by testing. There is a reasonable chance that there are more, I just need to exercise more code while testing.... There is one issue that lockdep reports which I haven't fixed (I've just hacked the code out for my testing). That issue relates to freeze_super(). I may not be interpreting the lockdep reports perfectly, but I think they are basically saying that if I were to freeze a filesystem that was exported to the local host, then we could end up deadlocking. This is to be expected. The NFS filesystem would need to be frozen first. I don't know how to tell lockdep that I know that is a problem and I don't want to be warned about it. Suggestions welcome. Until this is addressed I cannot really ask others to test the code with lockdep enabled. There are more subsidiary places that I needed to add PF_FSTRANS than I would have liked. The thought keeps crossing my mind that maybe we can get rid of __GFP_FS and require that memory reclaim never ever block on a filesystem. Then most of these patches go away. Now that writeback doesn't happen from reclaim (but from kswapd) much of the calls from reclaim to FS are gone. The ->releasepage call is the only one that I *know* causes me problems so I'd like to just say that that must never block. I don't really understand the consequences of that though. There are a couple of other places where __GFP_FS is used and I'd need to carefully analyze those. But if someone just said "no, that is impossible", I could be happy and stick with the current approach.... I've cc:ed Peter Zijlstra and Ingo Molnar only on the lockdep-related patches, Ming Lei only on the PF_MEMALLOC_NOIO related patches, and net-dev only on the network-related patches. There are probably other people I should CC. Apologies if I missed you. I'll ensure better coverage if the nfs/mm/xfs people are reasonably happy. Comments, criticisms, etc most welcome. Thanks, NeilBrown --- NeilBrown (19): Promote current_{set,restore}_flags_nested from xfs to global. lockdep: lockdep_set_current_reclaim_state should save old value lockdep: improve scenario messages for RECLAIM_FS errors. Make effect of PF_FSTRANS to disable __GFP_FS universal. SUNRPC: track whether a request is coming from a loop-back interface. nfsd: set PF_FSTRANS for nfsd threads. nfsd and VM: use PF_LESS_THROTTLE to avoid throttle in shrink_inactive_list. Set PF_FSTRANS while write_cache_pages calls ->writepage XFS: ensure xfs_file_*_read cannot deadlock in memory allocation. NET: set PF_FSTRANS while holding sk_lock FS: set PF_FSTRANS while holding mmap_sem in exec.c NET: set PF_FSTRANS while holding rtnl_lock MM: set PF_FSTRANS while allocating per-cpu memory to avoid deadlock. driver core: set PF_FSTRANS while holding gdp_mutex nfsd: set PF_FSTRANS when client_mutex is held. VFS: use GFP_NOFS rather than GFP_KERNEL in __d_alloc. VFS: set PF_FSTRANS while namespace_sem is held. nfsd: set PF_FSTRANS during nfsd4_do_callback_rpc. XFS: set PF_FSTRANS while ilock is held in xfs_free_eofblocks drivers/base/core.c | 3 ++ drivers/base/power/runtime.c | 6 ++--- drivers/block/nbd.c | 6 ++--- drivers/md/dm-bufio.c | 6 ++--- drivers/md/dm-ioctl.c | 6 ++--- drivers/mtd/nand/nandsim.c | 28 ++++++--------------- drivers/scsi/iscsi_tcp.c | 6 ++--- drivers/usb/core/hub.c | 6 ++--- fs/dcache.c | 4 ++- fs/exec.c | 6 +++++ fs/fs-writeback.c | 5 ++-- fs/namespace.c | 4 +++ fs/nfs/file.c | 3 +- fs/nfsd/nfs4callback.c | 5 ++++ fs/nfsd/nfs4state.c | 3 ++ fs/nfsd/nfssvc.c | 24 ++++++++++++++---- fs/nfsd/vfs.c | 6 +++++ fs/xfs/kmem.h | 2 -- fs/xfs/xfs_aops.c | 7 ----- fs/xfs/xfs_bmap_util.c | 4 +++ fs/xfs/xfs_file.c | 12 +++++++++ fs/xfs/xfs_linux.h | 7 ----- include/linux/lockdep.h | 8 +++--- include/linux/sched.h | 32 +++++++++--------------- include/linux/sunrpc/svc.h | 2 ++ include/linux/sunrpc/svc_xprt.h | 1 + include/net/sock.h | 1 + kernel/locking/lockdep.c | 51 ++++++++++++++++++++++++++++----------- kernel/softirq.c | 6 ++--- mm/migrate.c | 9 +++---- mm/page-writeback.c | 3 ++ mm/page_alloc.c | 18 ++++++++------ mm/percpu.c | 4 +++ mm/slab.c | 2 ++ mm/slob.c | 2 ++ mm/slub.c | 1 + mm/vmscan.c | 31 +++++++++++++++--------- net/core/dev.c | 6 ++--- net/core/rtnetlink.c | 9 ++++++- net/core/sock.c | 8 ++++-- net/sunrpc/sched.c | 5 ++-- net/sunrpc/svc.c | 6 +++++ net/sunrpc/svcsock.c | 10 ++++++++ net/sunrpc/xprtrdma/transport.c | 5 ++-- net/sunrpc/xprtsock.c | 17 ++++++++----- 45 files changed, 247 insertions(+), 149 deletions(-) -- Signature From neilb@suse.de Tue Apr 15 23:18:01 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id DB6527F3F for ; Tue, 15 Apr 2014 23:18:00 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 4A239AC001 for ; Tue, 15 Apr 2014 21:17:57 -0700 (PDT) X-ASG-Debug-ID: 1397621874-04cb6c2436727f0001-NocioJ Received: from mx2.suse.de (cantor2.suse.de [195.135.220.15]) by cuda.sgi.com with ESMTP id 59Btm1Li09FoImQU (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Tue, 15 Apr 2014 21:17:55 -0700 (PDT) X-Barracuda-Envelope-From: neilb@suse.de X-Barracuda-Apparent-Source-IP: 195.135.220.15 Received: from relay1.suse.de (charybdis-ext.suse.de [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id C1AE9AC2B; Wed, 16 Apr 2014 04:17:53 +0000 (UTC) From: NeilBrown To: linux-mm@kvack.org, linux-nfs@vger.kernel.org, linux-kernel@vger.kernel.org Date: Wed, 16 Apr 2014 14:03:36 +1000 Subject: [PATCH 01/19] Promote current_{set, restore}_flags_nested from xfs to global. Cc: xfs@oss.sgi.com X-ASG-Orig-Subj: [PATCH 01/19] Promote current_{set, restore}_flags_nested from xfs to global. cc: Ming Lei Message-ID: <20140416040335.10604.80681.stgit@notabene.brown> In-Reply-To: <20140416033623.10604.69237.stgit@notabene.brown> References: <20140416033623.10604.69237.stgit@notabene.brown> User-Agent: StGit/0.16 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Barracuda-Connect: cantor2.suse.de[195.135.220.15] X-Barracuda-Start-Time: 1397621874 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4958 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- These are useful macros from xfs for modifying current->flags. Other places in the kernel perform the same task in various different ways. This patch moves the macros from xfs to include/linux/sched.h and changes all code which temporarily sets a current->flags flag to use these macros. This does not change functionality in any important, but does fix a few sites which assume that PF_FSTRANS is not already set and so arbitrarily set and then clear it. The new code is more careful and will only clear it if it was previously clear. Signed-off-by: NeilBrown --- drivers/base/power/runtime.c | 6 +++--- drivers/block/nbd.c | 6 +++--- drivers/md/dm-bufio.c | 6 +++--- drivers/md/dm-ioctl.c | 6 +++--- drivers/mtd/nand/nandsim.c | 28 ++++++++-------------------- drivers/scsi/iscsi_tcp.c | 6 +++--- drivers/usb/core/hub.c | 6 +++--- fs/fs-writeback.c | 5 +++-- fs/xfs/xfs_linux.h | 7 ------- include/linux/sched.h | 27 ++++++++------------------- kernel/softirq.c | 6 +++--- mm/migrate.c | 9 ++++----- mm/page_alloc.c | 10 ++++++---- mm/vmscan.c | 10 ++++++---- net/core/dev.c | 6 +++--- net/core/sock.c | 6 +++--- net/sunrpc/sched.c | 5 +++-- net/sunrpc/xprtrdma/transport.c | 5 +++-- net/sunrpc/xprtsock.c | 17 ++++++++++------- 19 files changed, 78 insertions(+), 99 deletions(-) diff --git a/drivers/base/power/runtime.c b/drivers/base/power/runtime.c index 72e00e66ecc5..02448f11c879 100644 --- a/drivers/base/power/runtime.c +++ b/drivers/base/power/runtime.c @@ -348,7 +348,7 @@ static int rpm_callback(int (*cb)(struct device *), struct device *dev) return -ENOSYS; if (dev->power.memalloc_noio) { - unsigned int noio_flag; + unsigned int pflags; /* * Deadlock might be caused if memory allocation with @@ -359,9 +359,9 @@ static int rpm_callback(int (*cb)(struct device *), struct device *dev) * device, so network device and its ancestor should * be marked as memalloc_noio too. */ - noio_flag = memalloc_noio_save(); + current_set_flags_nested(&pflags, PF_MEMALLOC_NOIO); retval = __rpm_callback(cb, dev); - memalloc_noio_restore(noio_flag); + current_restore_flags_nested(&pflags, PF_MEMALLOC_NOIO); } else { retval = __rpm_callback(cb, dev); } diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c index 55298db36b2d..d3ddfa8a4da4 100644 --- a/drivers/block/nbd.c +++ b/drivers/block/nbd.c @@ -158,7 +158,7 @@ static int sock_xmit(struct nbd_device *nbd, int send, void *buf, int size, struct msghdr msg; struct kvec iov; sigset_t blocked, oldset; - unsigned long pflags = current->flags; + unsigned int pflags; if (unlikely(!sock)) { dev_err(disk_to_dev(nbd->disk), @@ -172,7 +172,7 @@ static int sock_xmit(struct nbd_device *nbd, int send, void *buf, int size, siginitsetinv(&blocked, sigmask(SIGKILL)); sigprocmask(SIG_SETMASK, &blocked, &oldset); - current->flags |= PF_MEMALLOC; + current_set_flags_nested(&pflags, PF_MEMALLOC); do { sock->sk->sk_allocation = GFP_NOIO | __GFP_MEMALLOC; iov.iov_base = buf; @@ -220,7 +220,7 @@ static int sock_xmit(struct nbd_device *nbd, int send, void *buf, int size, } while (size > 0); sigprocmask(SIG_SETMASK, &oldset, NULL); - tsk_restore_flags(current, pflags, PF_MEMALLOC); + current_restore_flags_nested(&pflags, PF_MEMALLOC); return result; } diff --git a/drivers/md/dm-bufio.c b/drivers/md/dm-bufio.c index 66c5d130c8c2..f5fa93ea3a59 100644 --- a/drivers/md/dm-bufio.c +++ b/drivers/md/dm-bufio.c @@ -322,7 +322,7 @@ static void __cache_size_refresh(void) static void *alloc_buffer_data(struct dm_bufio_client *c, gfp_t gfp_mask, enum data_mode *data_mode) { - unsigned noio_flag; + unsigned int pflags; void *ptr; if (c->block_size <= DM_BUFIO_BLOCK_SIZE_SLAB_LIMIT) { @@ -350,12 +350,12 @@ static void *alloc_buffer_data(struct dm_bufio_client *c, gfp_t gfp_mask, */ if (gfp_mask & __GFP_NORETRY) - noio_flag = memalloc_noio_save(); + current_set_flags_nested(&pflags, PF_MEMALLOC_NOIO); ptr = __vmalloc(c->block_size, gfp_mask | __GFP_HIGHMEM, PAGE_KERNEL); if (gfp_mask & __GFP_NORETRY) - memalloc_noio_restore(noio_flag); + current_restore_flags_nested(&pflags, PF_MEMALLOC_NOIO); return ptr; } diff --git a/drivers/md/dm-ioctl.c b/drivers/md/dm-ioctl.c index 51521429fb59..5409533f22b5 100644 --- a/drivers/md/dm-ioctl.c +++ b/drivers/md/dm-ioctl.c @@ -1716,10 +1716,10 @@ static int copy_params(struct dm_ioctl __user *user, struct dm_ioctl *param_kern } if (!dmi) { - unsigned noio_flag; - noio_flag = memalloc_noio_save(); + unsigned int pflags; + current_set_flags_nested(&pflags, PF_MEMALLOC_NOIO); dmi = __vmalloc(param_kernel->data_size, GFP_NOIO | __GFP_REPEAT | __GFP_HIGH | __GFP_HIGHMEM, PAGE_KERNEL); - memalloc_noio_restore(noio_flag); + current_restore_flags_nested(&pflags, PF_MEMALLOC_NOIO); if (dmi) *param_flags |= DM_PARAMS_VMALLOC; } diff --git a/drivers/mtd/nand/nandsim.c b/drivers/mtd/nand/nandsim.c index 42e8a770e631..8c995f9bb020 100644 --- a/drivers/mtd/nand/nandsim.c +++ b/drivers/mtd/nand/nandsim.c @@ -1373,31 +1373,18 @@ static int get_pages(struct nandsim *ns, struct file *file, size_t count, loff_t return 0; } -static int set_memalloc(void) -{ - if (current->flags & PF_MEMALLOC) - return 0; - current->flags |= PF_MEMALLOC; - return 1; -} - -static void clear_memalloc(int memalloc) -{ - if (memalloc) - current->flags &= ~PF_MEMALLOC; -} - static ssize_t read_file(struct nandsim *ns, struct file *file, void *buf, size_t count, loff_t pos) { ssize_t tx; - int err, memalloc; + int err; + unsigned int pflags; err = get_pages(ns, file, count, pos); if (err) return err; - memalloc = set_memalloc(); + current_set_flags_nested(&pflags, PF_MEMALLOC); tx = kernel_read(file, pos, buf, count); - clear_memalloc(memalloc); + current_restore_flags_nested(&pflags, PF_MEMALLOC); put_pages(ns); return tx; } @@ -1405,14 +1392,15 @@ static ssize_t read_file(struct nandsim *ns, struct file *file, void *buf, size_ static ssize_t write_file(struct nandsim *ns, struct file *file, void *buf, size_t count, loff_t pos) { ssize_t tx; - int err, memalloc; + int err; + unsigned int pflags; err = get_pages(ns, file, count, pos); if (err) return err; - memalloc = set_memalloc(); + current_set_flags_nested(&pflags, PF_MEMALLOC); tx = kernel_write(file, buf, count, pos); - clear_memalloc(memalloc); + current_restore_flags_nested(&pflags, PF_MEMALLOC); put_pages(ns); return tx; } diff --git a/drivers/scsi/iscsi_tcp.c b/drivers/scsi/iscsi_tcp.c index add6d1566ec8..834cc3afaadf 100644 --- a/drivers/scsi/iscsi_tcp.c +++ b/drivers/scsi/iscsi_tcp.c @@ -371,10 +371,10 @@ static inline int iscsi_sw_tcp_xmit_qlen(struct iscsi_conn *conn) static int iscsi_sw_tcp_pdu_xmit(struct iscsi_task *task) { struct iscsi_conn *conn = task->conn; - unsigned long pflags = current->flags; + unsigned int pflags; int rc = 0; - current->flags |= PF_MEMALLOC; + current_set_flags_nested(&pflags, PF_MEMALLOC); while (iscsi_sw_tcp_xmit_qlen(conn)) { rc = iscsi_sw_tcp_xmit(conn); @@ -387,7 +387,7 @@ static int iscsi_sw_tcp_pdu_xmit(struct iscsi_task *task) rc = 0; } - tsk_restore_flags(current, pflags, PF_MEMALLOC); + current_restore_flags_nested(&pflags, PF_MEMALLOC); return rc; } diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index 64ea21971be2..7622b8b09163 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -5282,7 +5282,7 @@ int usb_reset_device(struct usb_device *udev) { int ret; int i; - unsigned int noio_flag; + unsigned int pflags; struct usb_host_config *config = udev->actconfig; if (udev->state == USB_STATE_NOTATTACHED || @@ -5301,7 +5301,7 @@ int usb_reset_device(struct usb_device *udev) * because the device 'memalloc_noio' flag may have * not been set before reseting the usb device. */ - noio_flag = memalloc_noio_save(); + current_set_flags_nested(&pflags, PF_MEMALLOC_NOIO); /* Prevent autosuspend during the reset */ usb_autoresume_device(udev); @@ -5347,7 +5347,7 @@ int usb_reset_device(struct usb_device *udev) } usb_autosuspend_device(udev); - memalloc_noio_restore(noio_flag); + current_restore_flags_nested(&pflags, PF_MEMALLOC_NOIO); return ret; } EXPORT_SYMBOL_GPL(usb_reset_device); diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c index d754e3cf99a8..73beb4d86ab1 100644 --- a/fs/fs-writeback.c +++ b/fs/fs-writeback.c @@ -1012,9 +1012,10 @@ void bdi_writeback_workfn(struct work_struct *work) struct bdi_writeback, dwork); struct backing_dev_info *bdi = wb->bdi; long pages_written; + unsigned int pflags; set_worker_desc("flush-%s", dev_name(bdi->dev)); - current->flags |= PF_SWAPWRITE; + current_set_flags_nested(&pflags, PF_SWAPWRITE); if (likely(!current_is_workqueue_rescuer() || list_empty(&bdi->bdi_list))) { @@ -1044,7 +1045,7 @@ void bdi_writeback_workfn(struct work_struct *work) queue_delayed_work(bdi_wq, &wb->dwork, msecs_to_jiffies(dirty_writeback_interval * 10)); - current->flags &= ~PF_SWAPWRITE; + current_restore_flags_nested(&pflags, PF_SWAPWRITE); } /* diff --git a/fs/xfs/xfs_linux.h b/fs/xfs/xfs_linux.h index f9bb590acc0e..7c5b9eaebd0d 100644 --- a/fs/xfs/xfs_linux.h +++ b/fs/xfs/xfs_linux.h @@ -154,13 +154,6 @@ typedef __uint64_t __psunsigned_t; #define current_cpu() (raw_smp_processor_id()) #define current_pid() (current->pid) -#define current_test_flags(f) (current->flags & (f)) -#define current_set_flags_nested(sp, f) \ - (*(sp) = current->flags, current->flags |= (f)) -#define current_clear_flags_nested(sp, f) \ - (*(sp) = current->flags, current->flags &= ~(f)) -#define current_restore_flags_nested(sp, f) \ - (current->flags = ((current->flags & ~(f)) | (*(sp) & (f)))) #define spinlock_destroy(lock) diff --git a/include/linux/sched.h b/include/linux/sched.h index a781dec1cd0b..56fa52a0654c 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -1826,6 +1826,14 @@ extern void thread_group_cputime_adjusted(struct task_struct *p, cputime_t *ut, #define PF_FREEZER_SKIP 0x40000000 /* Freezer should not count it as freezable */ #define PF_SUSPEND_TASK 0x80000000 /* this thread called freeze_processes and should not be frozen */ +#define current_test_flags(f) (current->flags & (f)) +#define current_set_flags_nested(sp, f) \ + (*(sp) = current->flags, current->flags |= (f)) +#define current_clear_flags_nested(sp, f) \ + (*(sp) = current->flags, current->flags &= ~(f)) +#define current_restore_flags_nested(sp, f) \ + (current->flags = ((current->flags & ~(f)) | (*(sp) & (f)))) + /* * Only the _current_ task can read/write to tsk->flags, but other * tasks can access tsk->flags in readonly mode for example @@ -1859,18 +1867,6 @@ static inline gfp_t memalloc_noio_flags(gfp_t flags) return flags; } -static inline unsigned int memalloc_noio_save(void) -{ - unsigned int flags = current->flags & PF_MEMALLOC_NOIO; - current->flags |= PF_MEMALLOC_NOIO; - return flags; -} - -static inline void memalloc_noio_restore(unsigned int flags) -{ - current->flags = (current->flags & ~PF_MEMALLOC_NOIO) | flags; -} - /* * task->jobctl flags */ @@ -1927,13 +1923,6 @@ static inline void rcu_copy_process(struct task_struct *p) #endif -static inline void tsk_restore_flags(struct task_struct *task, - unsigned long orig_flags, unsigned long flags) -{ - task->flags &= ~flags; - task->flags |= orig_flags & flags; -} - #ifdef CONFIG_SMP extern void do_set_cpus_allowed(struct task_struct *p, const struct cpumask *new_mask); diff --git a/kernel/softirq.c b/kernel/softirq.c index 490fcbb1dc5b..dff051dae277 100644 --- a/kernel/softirq.c +++ b/kernel/softirq.c @@ -225,7 +225,7 @@ static inline void lockdep_softirq_end(bool in_hardirq) { } asmlinkage void __do_softirq(void) { unsigned long end = jiffies + MAX_SOFTIRQ_TIME; - unsigned long old_flags = current->flags; + unsigned int pflags; int max_restart = MAX_SOFTIRQ_RESTART; struct softirq_action *h; bool in_hardirq; @@ -238,7 +238,7 @@ asmlinkage void __do_softirq(void) * softirq. A softirq handled such as network RX might set PF_MEMALLOC * again if the socket is related to swap */ - current->flags &= ~PF_MEMALLOC; + current_set_flags_nested(&pflags, PF_MEMALLOC); pending = local_softirq_pending(); account_irq_enter_time(current); @@ -295,7 +295,7 @@ restart: account_irq_exit_time(current); __local_bh_enable(SOFTIRQ_OFFSET); WARN_ON_ONCE(in_interrupt()); - tsk_restore_flags(current, old_flags, PF_MEMALLOC); + current_restore_flags_nested(&pflags, PF_MEMALLOC); } asmlinkage void do_softirq(void) diff --git a/mm/migrate.c b/mm/migrate.c index bed48809e5d0..2b7574860b2b 100644 --- a/mm/migrate.c +++ b/mm/migrate.c @@ -1107,11 +1107,11 @@ int migrate_pages(struct list_head *from, new_page_t get_new_page, int pass = 0; struct page *page; struct page *page2; - int swapwrite = current->flags & PF_SWAPWRITE; + unsigned int pflags; int rc; - if (!swapwrite) - current->flags |= PF_SWAPWRITE; + + current_set_flags_nested(&pflags, PF_SWAPWRITE); for(pass = 0; pass < 10 && retry; pass++) { retry = 0; @@ -1155,8 +1155,7 @@ out: count_vm_events(PGMIGRATE_FAIL, nr_failed); trace_mm_migrate_pages(nr_succeeded, nr_failed, mode, reason); - if (!swapwrite) - current->flags &= ~PF_SWAPWRITE; + current_restore_flags_nested(&pflags, PF_SWAPWRITE); return rc; } diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 3bac76ae4b30..a3d1f5da2f21 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -2254,6 +2254,7 @@ __alloc_pages_direct_compact(gfp_t gfp_mask, unsigned int order, bool *contended_compaction, bool *deferred_compaction, unsigned long *did_some_progress) { + unsigned int pflags; if (!order) return NULL; @@ -2262,11 +2263,11 @@ __alloc_pages_direct_compact(gfp_t gfp_mask, unsigned int order, return NULL; } - current->flags |= PF_MEMALLOC; + current_set_flags_nested(&pflags, PF_MEMALLOC); *did_some_progress = try_to_compact_pages(zonelist, order, gfp_mask, nodemask, sync_migration, contended_compaction); - current->flags &= ~PF_MEMALLOC; + current_restore_flags_nested(&pflags, PF_MEMALLOC); if (*did_some_progress != COMPACT_SKIPPED) { struct page *page; @@ -2325,12 +2326,13 @@ __perform_reclaim(gfp_t gfp_mask, unsigned int order, struct zonelist *zonelist, { struct reclaim_state reclaim_state; int progress; + unsigned int pflags; cond_resched(); /* We now go into synchronous reclaim */ cpuset_memory_pressure_bump(); - current->flags |= PF_MEMALLOC; + current_set_flags_nested(&pflags, PF_MEMALLOC); lockdep_set_current_reclaim_state(gfp_mask); reclaim_state.reclaimed_slab = 0; current->reclaim_state = &reclaim_state; @@ -2339,7 +2341,7 @@ __perform_reclaim(gfp_t gfp_mask, unsigned int order, struct zonelist *zonelist, current->reclaim_state = NULL; lockdep_clear_current_reclaim_state(); - current->flags &= ~PF_MEMALLOC; + current_restore_flags_nested(&pflags, PF_MEMALLOC); cond_resched(); diff --git a/mm/vmscan.c b/mm/vmscan.c index a9c74b409681..94acf53d9abf 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -3343,8 +3343,9 @@ unsigned long shrink_all_memory(unsigned long nr_to_reclaim) struct zonelist *zonelist = node_zonelist(numa_node_id(), sc.gfp_mask); struct task_struct *p = current; unsigned long nr_reclaimed; + unsigned int pflags; - p->flags |= PF_MEMALLOC; + current_set_flags_nested(&pflags, PF_MEMALLOC); lockdep_set_current_reclaim_state(sc.gfp_mask); reclaim_state.reclaimed_slab = 0; p->reclaim_state = &reclaim_state; @@ -3353,7 +3354,7 @@ unsigned long shrink_all_memory(unsigned long nr_to_reclaim) p->reclaim_state = NULL; lockdep_clear_current_reclaim_state(); - p->flags &= ~PF_MEMALLOC; + current_restore_flags_nested(&pflags, PF_MEMALLOC); return nr_reclaimed; } @@ -3530,6 +3531,7 @@ static int __zone_reclaim(struct zone *zone, gfp_t gfp_mask, unsigned int order) .gfp_mask = sc.gfp_mask, }; unsigned long nr_slab_pages0, nr_slab_pages1; + unsigned int pflags; cond_resched(); /* @@ -3537,7 +3539,7 @@ static int __zone_reclaim(struct zone *zone, gfp_t gfp_mask, unsigned int order) * and we also need to be able to write out pages for RECLAIM_WRITE * and RECLAIM_SWAP. */ - p->flags |= PF_MEMALLOC | PF_SWAPWRITE; + current_set_flags_nested(&pflags, PF_MEMALLOC | PF_SWAPWRITE); lockdep_set_current_reclaim_state(gfp_mask); reclaim_state.reclaimed_slab = 0; p->reclaim_state = &reclaim_state; @@ -3587,7 +3589,7 @@ static int __zone_reclaim(struct zone *zone, gfp_t gfp_mask, unsigned int order) } p->reclaim_state = NULL; - current->flags &= ~(PF_MEMALLOC | PF_SWAPWRITE); + current_restore_flags_nested(&pflags, PF_MEMALLOC | PF_SWAPWRITE); lockdep_clear_current_reclaim_state(); return sc.nr_reclaimed >= nr_pages; } diff --git a/net/core/dev.c b/net/core/dev.c index 45fa2f11f84d..b4eaac7c0d63 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -3664,7 +3664,7 @@ static int __netif_receive_skb(struct sk_buff *skb) int ret; if (sk_memalloc_socks() && skb_pfmemalloc(skb)) { - unsigned long pflags = current->flags; + unsigned int pflags; /* * PFMEMALLOC skbs are special, they should @@ -3675,9 +3675,9 @@ static int __netif_receive_skb(struct sk_buff *skb) * Use PF_MEMALLOC as this saves us from propagating the allocation * context down to all allocation sites. */ - current->flags |= PF_MEMALLOC; + current_set_flags_nested(&pflags, PF_MEMALLOC); ret = __netif_receive_skb_core(skb, true); - tsk_restore_flags(current, pflags, PF_MEMALLOC); + current_restore_flags_nested(&pflags, PF_MEMALLOC); } else ret = __netif_receive_skb_core(skb, false); diff --git a/net/core/sock.c b/net/core/sock.c index c0fc6bdad1e3..cf9bd24e4099 100644 --- a/net/core/sock.c +++ b/net/core/sock.c @@ -318,14 +318,14 @@ EXPORT_SYMBOL_GPL(sk_clear_memalloc); int __sk_backlog_rcv(struct sock *sk, struct sk_buff *skb) { int ret; - unsigned long pflags = current->flags; + unsigned int pflags; /* these should have been dropped before queueing */ BUG_ON(!sock_flag(sk, SOCK_MEMALLOC)); - current->flags |= PF_MEMALLOC; + current_set_flags_nested(&pflags, PF_MEMALLOC); ret = sk->sk_backlog_rcv(sk, skb); - tsk_restore_flags(current, pflags, PF_MEMALLOC); + current_restore_flags_nested(&pflags, PF_MEMALLOC); return ret; } diff --git a/net/sunrpc/sched.c b/net/sunrpc/sched.c index ff3cc4bf4b24..c110dec833cd 100644 --- a/net/sunrpc/sched.c +++ b/net/sunrpc/sched.c @@ -820,9 +820,10 @@ void rpc_execute(struct rpc_task *task) static void rpc_async_schedule(struct work_struct *work) { - current->flags |= PF_FSTRANS; + unsigned int pflags; + current_set_flags_nested(&pflags, PF_FSTRANS); __rpc_execute(container_of(work, struct rpc_task, u.tk_work)); - current->flags &= ~PF_FSTRANS; + current_restore_flags_nested(&pflags, PF_FSTRANS); } /** diff --git a/net/sunrpc/xprtrdma/transport.c b/net/sunrpc/xprtrdma/transport.c index 285dc0884115..ac339b5ccf22 100644 --- a/net/sunrpc/xprtrdma/transport.c +++ b/net/sunrpc/xprtrdma/transport.c @@ -199,8 +199,9 @@ xprt_rdma_connect_worker(struct work_struct *work) container_of(work, struct rpcrdma_xprt, rdma_connect.work); struct rpc_xprt *xprt = &r_xprt->xprt; int rc = 0; + unsigned int pflags; - current->flags |= PF_FSTRANS; + current_set_flags_nested(&pflags, PF_FSTRANS); xprt_clear_connected(xprt); dprintk("RPC: %s: %sconnect\n", __func__, @@ -211,7 +212,7 @@ xprt_rdma_connect_worker(struct work_struct *work) dprintk("RPC: %s: exit\n", __func__); xprt_clear_connecting(xprt); - current->flags &= ~PF_FSTRANS; + current_restore_flags_nested(&pflags, PF_FSTRANS); } /* diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c index 0addefca8e77..8015e7b7d87c 100644 --- a/net/sunrpc/xprtsock.c +++ b/net/sunrpc/xprtsock.c @@ -1932,8 +1932,9 @@ static int xs_local_setup_socket(struct sock_xprt *transport) struct rpc_xprt *xprt = &transport->xprt; struct socket *sock; int status = -EIO; + unsigned int pflags; - current->flags |= PF_FSTRANS; + current_set_flags_nested(&pflags, PF_FSTRANS); clear_bit(XPRT_CONNECTION_ABORT, &xprt->state); status = __sock_create(xprt->xprt_net, AF_LOCAL, @@ -1973,7 +1974,7 @@ static int xs_local_setup_socket(struct sock_xprt *transport) out: xprt_clear_connecting(xprt); xprt_wake_pending_tasks(xprt, status); - current->flags &= ~PF_FSTRANS; + current_restore_flags_nested(&pflags, PF_FSTRANS); return status; } @@ -2076,8 +2077,9 @@ static void xs_udp_setup_socket(struct work_struct *work) struct rpc_xprt *xprt = &transport->xprt; struct socket *sock = transport->sock; int status = -EIO; + unsigned int pflags; - current->flags |= PF_FSTRANS; + current_set_flags_nested(&pflags, PF_FSTRANS); /* Start by resetting any existing state */ xs_reset_transport(transport); @@ -2098,7 +2100,7 @@ static void xs_udp_setup_socket(struct work_struct *work) out: xprt_clear_connecting(xprt); xprt_wake_pending_tasks(xprt, status); - current->flags &= ~PF_FSTRANS; + current_restore_flags_nested(&pflags, PF_FSTRANS); } /* @@ -2234,8 +2236,9 @@ static void xs_tcp_setup_socket(struct work_struct *work) struct socket *sock = transport->sock; struct rpc_xprt *xprt = &transport->xprt; int status = -EIO; + unsigned int pflags; - current->flags |= PF_FSTRANS; + current_set_flags_nested(&pflags, PF_FSTRANS); if (!sock) { clear_bit(XPRT_CONNECTION_ABORT, &xprt->state); @@ -2282,7 +2285,7 @@ static void xs_tcp_setup_socket(struct work_struct *work) case -EINPROGRESS: case -EALREADY: xprt_clear_connecting(xprt); - current->flags &= ~PF_FSTRANS; + current_restore_flags_nested(&pflags, PF_FSTRANS); return; case -EINVAL: /* Happens, for instance, if the user specified a link @@ -2299,7 +2302,7 @@ out_eagain: out: xprt_clear_connecting(xprt); xprt_wake_pending_tasks(xprt, status); - current->flags &= ~PF_FSTRANS; + current_restore_flags_nested(&pflags, PF_FSTRANS); } /** From neilb@suse.de Tue Apr 15 23:18:07 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 1555F7F56 for ; Tue, 15 Apr 2014 23:18:07 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id E2006304089 for ; Tue, 15 Apr 2014 21:18:03 -0700 (PDT) X-ASG-Debug-ID: 1397621882-04cb6c243772810001-NocioJ Received: from mx2.suse.de (cantor2.suse.de [195.135.220.15]) by cuda.sgi.com with ESMTP id do6SAqeaDqcBQSo9 (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Tue, 15 Apr 2014 21:18:02 -0700 (PDT) X-Barracuda-Envelope-From: neilb@suse.de X-Barracuda-Apparent-Source-IP: 195.135.220.15 Received: from relay2.suse.de (charybdis-ext.suse.de [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id 90127AC2B; Wed, 16 Apr 2014 04:18:01 +0000 (UTC) From: NeilBrown To: linux-mm@kvack.org, linux-nfs@vger.kernel.org, linux-kernel@vger.kernel.org Date: Wed, 16 Apr 2014 14:03:36 +1000 Subject: [PATCH 02/19] lockdep: lockdep_set_current_reclaim_state should save old value Cc: xfs@oss.sgi.com X-ASG-Orig-Subj: [PATCH 02/19] lockdep: lockdep_set_current_reclaim_state should save old value cc: Peter Zijlstra , Ingo Molnar Message-ID: <20140416040336.10604.59714.stgit@notabene.brown> In-Reply-To: <20140416033623.10604.69237.stgit@notabene.brown> References: <20140416033623.10604.69237.stgit@notabene.brown> User-Agent: StGit/0.16 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Barracuda-Connect: cantor2.suse.de[195.135.220.15] X-Barracuda-Start-Time: 1397621882 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4958 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- Currently kswapd sets current->lockdep_reclaim_gfp but the first memory allocation call will clear it. So the setting does no good. Thus the lockdep_set_current_reclaim_state call in kswapd() is ineffective. With this patch we always save the old value and then restore it, so lockdep gets to properly check the locks that kswapd takes. Signed-off-by: NeilBrown --- include/linux/lockdep.h | 8 ++++---- kernel/locking/lockdep.c | 8 +++++--- mm/page_alloc.c | 5 +++-- mm/vmscan.c | 10 ++++++---- 4 files changed, 18 insertions(+), 13 deletions(-) diff --git a/include/linux/lockdep.h b/include/linux/lockdep.h index 92b1bfc5da60..18eedd692d16 100644 --- a/include/linux/lockdep.h +++ b/include/linux/lockdep.h @@ -351,8 +351,8 @@ static inline void lock_set_subclass(struct lockdep_map *lock, lock_set_class(lock, lock->name, lock->key, subclass, ip); } -extern void lockdep_set_current_reclaim_state(gfp_t gfp_mask); -extern void lockdep_clear_current_reclaim_state(void); +extern gfp_t lockdep_set_current_reclaim_state(gfp_t gfp_mask); +extern void lockdep_restore_current_reclaim_state(gfp_t old_mask); extern void lockdep_trace_alloc(gfp_t mask); # define INIT_LOCKDEP .lockdep_recursion = 0, .lockdep_reclaim_gfp = 0, @@ -379,8 +379,8 @@ static inline void lockdep_on(void) # define lock_release(l, n, i) do { } while (0) # define lock_set_class(l, n, k, s, i) do { } while (0) # define lock_set_subclass(l, s, i) do { } while (0) -# define lockdep_set_current_reclaim_state(g) do { } while (0) -# define lockdep_clear_current_reclaim_state() do { } while (0) +# define lockdep_set_current_reclaim_state(g) (0) +# define lockdep_restore_current_reclaim_state(g) do { } while (0) # define lockdep_trace_alloc(g) do { } while (0) # define lockdep_init() do { } while (0) # define lockdep_info() do { } while (0) diff --git a/kernel/locking/lockdep.c b/kernel/locking/lockdep.c index eb8a54783fa0..e05b82e92373 100644 --- a/kernel/locking/lockdep.c +++ b/kernel/locking/lockdep.c @@ -3645,14 +3645,16 @@ int lock_is_held(struct lockdep_map *lock) } EXPORT_SYMBOL_GPL(lock_is_held); -void lockdep_set_current_reclaim_state(gfp_t gfp_mask) +gfp_t lockdep_set_current_reclaim_state(gfp_t gfp_mask) { + gfp_t old = current->lockdep_reclaim_gfp; current->lockdep_reclaim_gfp = gfp_mask; + return old; } -void lockdep_clear_current_reclaim_state(void) +void lockdep_restore_current_reclaim_state(gfp_t gfp_mask) { - current->lockdep_reclaim_gfp = 0; + current->lockdep_reclaim_gfp = gfp_mask; } #ifdef CONFIG_LOCK_STAT diff --git a/mm/page_alloc.c b/mm/page_alloc.c index a3d1f5da2f21..ff8b91aa0b87 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -2327,20 +2327,21 @@ __perform_reclaim(gfp_t gfp_mask, unsigned int order, struct zonelist *zonelist, struct reclaim_state reclaim_state; int progress; unsigned int pflags; + gfp_t old_mask; cond_resched(); /* We now go into synchronous reclaim */ cpuset_memory_pressure_bump(); current_set_flags_nested(&pflags, PF_MEMALLOC); - lockdep_set_current_reclaim_state(gfp_mask); + old_mask = lockdep_set_current_reclaim_state(gfp_mask); reclaim_state.reclaimed_slab = 0; current->reclaim_state = &reclaim_state; progress = try_to_free_pages(zonelist, order, gfp_mask, nodemask); current->reclaim_state = NULL; - lockdep_clear_current_reclaim_state(); + lockdep_restore_current_reclaim_state(old_mask); current_restore_flags_nested(&pflags, PF_MEMALLOC); cond_resched(); diff --git a/mm/vmscan.c b/mm/vmscan.c index 94acf53d9abf..67165f839936 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -3344,16 +3344,17 @@ unsigned long shrink_all_memory(unsigned long nr_to_reclaim) struct task_struct *p = current; unsigned long nr_reclaimed; unsigned int pflags; + gfp_t old_mask; current_set_flags_nested(&pflags, PF_MEMALLOC); - lockdep_set_current_reclaim_state(sc.gfp_mask); + old_mask = lockdep_set_current_reclaim_state(sc.gfp_mask); reclaim_state.reclaimed_slab = 0; p->reclaim_state = &reclaim_state; nr_reclaimed = do_try_to_free_pages(zonelist, &sc, &shrink); p->reclaim_state = NULL; - lockdep_clear_current_reclaim_state(); + lockdep_restore_current_reclaim_state(old_mask); current_restore_flags_nested(&pflags, PF_MEMALLOC); return nr_reclaimed; @@ -3532,6 +3533,7 @@ static int __zone_reclaim(struct zone *zone, gfp_t gfp_mask, unsigned int order) }; unsigned long nr_slab_pages0, nr_slab_pages1; unsigned int pflags; + gfp_t old_mask; cond_resched(); /* @@ -3540,7 +3542,7 @@ static int __zone_reclaim(struct zone *zone, gfp_t gfp_mask, unsigned int order) * and RECLAIM_SWAP. */ current_set_flags_nested(&pflags, PF_MEMALLOC | PF_SWAPWRITE); - lockdep_set_current_reclaim_state(gfp_mask); + old_mask = lockdep_set_current_reclaim_state(gfp_mask); reclaim_state.reclaimed_slab = 0; p->reclaim_state = &reclaim_state; @@ -3590,7 +3592,7 @@ static int __zone_reclaim(struct zone *zone, gfp_t gfp_mask, unsigned int order) p->reclaim_state = NULL; current_restore_flags_nested(&pflags, PF_MEMALLOC | PF_SWAPWRITE); - lockdep_clear_current_reclaim_state(); + lockdep_restore_current_reclaim_state(old_mask); return sc.nr_reclaimed >= nr_pages; } From neilb@suse.de Tue Apr 15 23:18:12 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 231BE7F5A for ; Tue, 15 Apr 2014 23:18:12 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 0BF938F8049 for ; Tue, 15 Apr 2014 21:18:11 -0700 (PDT) X-ASG-Debug-ID: 1397621889-04cbb06e9b738a0001-NocioJ Received: from mx2.suse.de (cantor2.suse.de [195.135.220.15]) by cuda.sgi.com with ESMTP id w39BXNKc2kd7AwG6 (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Tue, 15 Apr 2014 21:18:10 -0700 (PDT) X-Barracuda-Envelope-From: neilb@suse.de X-Barracuda-Apparent-Source-IP: 195.135.220.15 Received: from relay2.suse.de (charybdis-ext.suse.de [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id 51D5EAC86; Wed, 16 Apr 2014 04:18:09 +0000 (UTC) From: NeilBrown To: linux-mm@kvack.org, linux-nfs@vger.kernel.org, linux-kernel@vger.kernel.org Date: Wed, 16 Apr 2014 14:03:36 +1000 Subject: [PATCH 03/19] lockdep: improve scenario messages for RECLAIM_FS errors. cc: Peter Zijlstra , Ingo Molnar X-ASG-Orig-Subj: [PATCH 03/19] lockdep: improve scenario messages for RECLAIM_FS errors. Cc: xfs@oss.sgi.com Message-ID: <20140416040336.10604.19304.stgit@notabene.brown> In-Reply-To: <20140416033623.10604.69237.stgit@notabene.brown> References: <20140416033623.10604.69237.stgit@notabene.brown> User-Agent: StGit/0.16 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Barracuda-Connect: cantor2.suse.de[195.135.220.15] X-Barracuda-Start-Time: 1397621890 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4958 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- lockdep can check for locking problems involving reclaim using the same infrastructure as used for interrupts. However a number of the messages still refer to interrupts even if it was actually a reclaim-related problem. So determine where the problem was caused by reclaim or irq and adjust messages accordingly. Signed-off-by: NeilBrown --- kernel/locking/lockdep.c | 43 ++++++++++++++++++++++++++++++++----------- 1 file changed, 32 insertions(+), 11 deletions(-) diff --git a/kernel/locking/lockdep.c b/kernel/locking/lockdep.c index e05b82e92373..33d2ac7519dc 100644 --- a/kernel/locking/lockdep.c +++ b/kernel/locking/lockdep.c @@ -1423,7 +1423,8 @@ static void print_irq_lock_scenario(struct lock_list *safe_entry, struct lock_list *unsafe_entry, struct lock_class *prev_class, - struct lock_class *next_class) + struct lock_class *next_class, + int reclaim) { struct lock_class *safe_class = safe_entry->class; struct lock_class *unsafe_class = unsafe_entry->class; @@ -1455,20 +1456,27 @@ print_irq_lock_scenario(struct lock_list *safe_entry, printk("\n\n"); } - printk(" Possible interrupt unsafe locking scenario:\n\n"); + if (reclaim) + printk(" Possible reclaim unsafe locking scenario:\n\n"); + else + printk(" Possible interrupt unsafe locking scenario:\n\n"); printk(" CPU0 CPU1\n"); printk(" ---- ----\n"); printk(" lock("); __print_lock_name(unsafe_class); printk(");\n"); - printk(" local_irq_disable();\n"); + if (!reclaim) + printk(" local_irq_disable();\n"); printk(" lock("); __print_lock_name(safe_class); printk(");\n"); printk(" lock("); __print_lock_name(middle_class); printk(");\n"); - printk(" \n"); + if (reclaim) + printk(" \n"); + else + printk(" \n"); printk(" lock("); __print_lock_name(safe_class); printk(");\n"); @@ -1487,6 +1495,8 @@ print_bad_irq_dependency(struct task_struct *curr, enum lock_usage_bit bit2, const char *irqclass) { + int reclaim = strncmp(irqclass, "RECLAIM", 7) == 0; + if (!debug_locks_off_graph_unlock() || debug_locks_silent) return 0; @@ -1528,7 +1538,7 @@ print_bad_irq_dependency(struct task_struct *curr, printk("\nother info that might help us debug this:\n\n"); print_irq_lock_scenario(backwards_entry, forwards_entry, - hlock_class(prev), hlock_class(next)); + hlock_class(prev), hlock_class(next), reclaim); lockdep_print_held_locks(curr); @@ -2200,7 +2210,7 @@ static void check_chain_key(struct task_struct *curr) } static void -print_usage_bug_scenario(struct held_lock *lock) +print_usage_bug_scenario(struct held_lock *lock, enum lock_usage_bit new_bit) { struct lock_class *class = hlock_class(lock); @@ -2210,7 +2220,11 @@ print_usage_bug_scenario(struct held_lock *lock) printk(" lock("); __print_lock_name(class); printk(");\n"); - printk(" \n"); + if (new_bit == LOCK_USED_IN_RECLAIM_FS || + new_bit == LOCK_USED_IN_RECLAIM_FS_READ) + printk(" \n"); + else + printk(" \n"); printk(" lock("); __print_lock_name(class); printk(");\n"); @@ -2246,7 +2260,7 @@ print_usage_bug(struct task_struct *curr, struct held_lock *this, print_irqtrace_events(curr); printk("\nother info that might help us debug this:\n"); - print_usage_bug_scenario(this); + print_usage_bug_scenario(this, new_bit); lockdep_print_held_locks(curr); @@ -2285,13 +2299,17 @@ print_irq_inversion_bug(struct task_struct *curr, struct lock_list *entry = other; struct lock_list *middle = NULL; int depth; + int reclaim = strncmp(irqclass, "RECLAIM", 7) == 0; if (!debug_locks_off_graph_unlock() || debug_locks_silent) return 0; printk("\n"); printk("=========================================================\n"); - printk("[ INFO: possible irq lock inversion dependency detected ]\n"); + if (reclaim) + printk("[ INFO: possible memory reclaim lock inversion dependency detected ]\n"); + else + printk("[ INFO: possible irq lock inversion dependency detected ]\n"); print_kernel_ident(); printk("---------------------------------------------------------\n"); printk("%s/%d just changed the state of lock:\n", @@ -2302,6 +2320,9 @@ print_irq_inversion_bug(struct task_struct *curr, else printk("but this lock was taken by another, %s-safe lock in the past:\n", irqclass); print_lock_name(other->class); + if (reclaim) + printk("\n\nand memory reclaim could create inverse lock ordering between them.\n\n"); + else printk("\n\nand interrupts could create inverse lock ordering between them.\n\n"); printk("\nother info that might help us debug this:\n"); @@ -2319,10 +2340,10 @@ print_irq_inversion_bug(struct task_struct *curr, } while (entry && entry != root && (depth >= 0)); if (forwards) print_irq_lock_scenario(root, other, - middle ? middle->class : root->class, other->class); + middle ? middle->class : root->class, other->class, reclaim); else print_irq_lock_scenario(other, root, - middle ? middle->class : other->class, root->class); + middle ? middle->class : other->class, root->class, reclaim); lockdep_print_held_locks(curr); From neilb@suse.de Tue Apr 15 23:18:20 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 45F3B29DF7 for ; Tue, 15 Apr 2014 23:18:20 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id 116A08F8049 for ; Tue, 15 Apr 2014 21:18:20 -0700 (PDT) X-ASG-Debug-ID: 1397621897-04bdf04554753e0001-NocioJ Received: from mx2.suse.de (cantor2.suse.de [195.135.220.15]) by cuda.sgi.com with ESMTP id b8vNFfjVA9GrXHJO (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Tue, 15 Apr 2014 21:18:18 -0700 (PDT) X-Barracuda-Envelope-From: neilb@suse.de X-Barracuda-Apparent-Source-IP: 195.135.220.15 Received: from relay1.suse.de (charybdis-ext.suse.de [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id C22D2AB0E; Wed, 16 Apr 2014 04:18:16 +0000 (UTC) From: NeilBrown To: linux-mm@kvack.org, linux-nfs@vger.kernel.org, linux-kernel@vger.kernel.org Date: Wed, 16 Apr 2014 14:03:36 +1000 Subject: [PATCH 04/19] Make effect of PF_FSTRANS to disable __GFP_FS universal. Cc: xfs@oss.sgi.com X-ASG-Orig-Subj: [PATCH 04/19] Make effect of PF_FSTRANS to disable __GFP_FS universal. cc: Ming Lei Message-ID: <20140416040336.10604.58240.stgit@notabene.brown> In-Reply-To: <20140416033623.10604.69237.stgit@notabene.brown> References: <20140416033623.10604.69237.stgit@notabene.brown> User-Agent: StGit/0.16 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Barracuda-Connect: cantor2.suse.de[195.135.220.15] X-Barracuda-Start-Time: 1397621897 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4958 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- Currently both xfs and nfs will handle PF_FSTRANS by disabling __GFP_FS. Make this effect global by repurposing memalloc_noio_flags (which does the same thing for PF_MEMALLOC_NOIO and __GFP_IO) to generally impost the task flags on a gfp_t. Due to this repurposing we change the name of memalloc_noio_flags to gfp_from_current(). As PF_FSTRANS now uniformly removes __GFP_FS we can remove special code for this from xfs and nfs. As we can now expect other code to set PF_FSTRANS, its meaning is more general, so the WARN_ON in xfs_vm_writepage() which checks PF_FSTRANS is not set is no longer appropriate. PF_FSTRANS may be set for other reasons than an XFS transaction. As lockdep cares about __GFP_FS, we need to translate PF_FSTRANS to __GFP_FS before calling lockdep_alloc_trace() in various places. Signed-off-by: NeilBrown --- fs/nfs/file.c | 3 +-- fs/xfs/kmem.h | 2 -- fs/xfs/xfs_aops.c | 7 ------- include/linux/sched.h | 5 ++++- mm/page_alloc.c | 3 ++- mm/slab.c | 2 ++ mm/slob.c | 2 ++ mm/slub.c | 1 + mm/vmscan.c | 4 ++-- 9 files changed, 14 insertions(+), 15 deletions(-) diff --git a/fs/nfs/file.c b/fs/nfs/file.c index 5bb790a69c71..ed863f52bae7 100644 --- a/fs/nfs/file.c +++ b/fs/nfs/file.c @@ -472,8 +472,7 @@ static int nfs_release_page(struct page *page, gfp_t gfp) /* Only do I/O if gfp is a superset of GFP_KERNEL, and we're not * doing this memory reclaim for a fs-related allocation. */ - if (mapping && (gfp & GFP_KERNEL) == GFP_KERNEL && - !(current->flags & PF_FSTRANS)) { + if (mapping && (gfp & GFP_KERNEL) == GFP_KERNEL) { int how = FLUSH_SYNC; /* Don't let kswapd deadlock waiting for OOM RPC calls */ diff --git a/fs/xfs/kmem.h b/fs/xfs/kmem.h index 64db0e53edea..882b86270ebe 100644 --- a/fs/xfs/kmem.h +++ b/fs/xfs/kmem.h @@ -50,8 +50,6 @@ kmem_flags_convert(xfs_km_flags_t flags) lflags = GFP_ATOMIC | __GFP_NOWARN; } else { lflags = GFP_KERNEL | __GFP_NOWARN; - if ((current->flags & PF_FSTRANS) || (flags & KM_NOFS)) - lflags &= ~__GFP_FS; } if (flags & KM_ZERO) diff --git a/fs/xfs/xfs_aops.c b/fs/xfs/xfs_aops.c index db2cfb067d0b..207a7f86d5d7 100644 --- a/fs/xfs/xfs_aops.c +++ b/fs/xfs/xfs_aops.c @@ -952,13 +952,6 @@ xfs_vm_writepage( PF_MEMALLOC)) goto redirty; - /* - * Given that we do not allow direct reclaim to call us, we should - * never be called while in a filesystem transaction. - */ - if (WARN_ON(current->flags & PF_FSTRANS)) - goto redirty; - /* Is this page beyond the end of the file? */ offset = i_size_read(inode); end_index = offset >> PAGE_CACHE_SHIFT; diff --git a/include/linux/sched.h b/include/linux/sched.h index 56fa52a0654c..f3291ed33c27 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -1860,10 +1860,13 @@ extern void thread_group_cputime_adjusted(struct task_struct *p, cputime_t *ut, #define used_math() tsk_used_math(current) /* __GFP_IO isn't allowed if PF_MEMALLOC_NOIO is set in current->flags */ -static inline gfp_t memalloc_noio_flags(gfp_t flags) +/* __GFP_FS isn't allowed if PF_FSTRANS is set in current->flags */ +static inline gfp_t gfp_from_current(gfp_t flags) { if (unlikely(current->flags & PF_MEMALLOC_NOIO)) flags &= ~__GFP_IO; + if (unlikely(current->flags & PF_FSTRANS)) + flags &= ~__GFP_FS; return flags; } diff --git a/mm/page_alloc.c b/mm/page_alloc.c index ff8b91aa0b87..5e9225df3447 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -2718,6 +2718,7 @@ __alloc_pages_nodemask(gfp_t gfp_mask, unsigned int order, struct mem_cgroup *memcg = NULL; gfp_mask &= gfp_allowed_mask; + gfp_mask = gfp_from_current(gfp_mask); lockdep_trace_alloc(gfp_mask); @@ -2765,7 +2766,7 @@ retry_cpuset: * can deadlock because I/O on the device might not * complete. */ - gfp_mask = memalloc_noio_flags(gfp_mask); + gfp_mask = gfp_from_current(gfp_mask); page = __alloc_pages_slowpath(gfp_mask, order, zonelist, high_zoneidx, nodemask, preferred_zone, migratetype); diff --git a/mm/slab.c b/mm/slab.c index b264214c77ea..914d88661f3d 100644 --- a/mm/slab.c +++ b/mm/slab.c @@ -3206,6 +3206,7 @@ slab_alloc_node(struct kmem_cache *cachep, gfp_t flags, int nodeid, int slab_node = numa_mem_id(); flags &= gfp_allowed_mask; + flags = gfp_from_current(flags); lockdep_trace_alloc(flags); @@ -3293,6 +3294,7 @@ slab_alloc(struct kmem_cache *cachep, gfp_t flags, unsigned long caller) void *objp; flags &= gfp_allowed_mask; + flags = gfp_from_current(flags); lockdep_trace_alloc(flags); diff --git a/mm/slob.c b/mm/slob.c index 4bf8809dfcce..18206f54d227 100644 --- a/mm/slob.c +++ b/mm/slob.c @@ -431,6 +431,7 @@ __do_kmalloc_node(size_t size, gfp_t gfp, int node, unsigned long caller) void *ret; gfp &= gfp_allowed_mask; + flags = gfp_from_current(flags); lockdep_trace_alloc(gfp); @@ -539,6 +540,7 @@ void *slob_alloc_node(struct kmem_cache *c, gfp_t flags, int node) void *b; flags &= gfp_allowed_mask; + flags = gfp_from_current(flags); lockdep_trace_alloc(flags); diff --git a/mm/slub.c b/mm/slub.c index 25f14ad8f817..ff7c15e977da 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -961,6 +961,7 @@ static inline void kfree_hook(const void *x) static inline int slab_pre_alloc_hook(struct kmem_cache *s, gfp_t flags) { flags &= gfp_allowed_mask; + flags = gfp_from_current(flags); lockdep_trace_alloc(flags); might_sleep_if(flags & __GFP_WAIT); diff --git a/mm/vmscan.c b/mm/vmscan.c index 67165f839936..05de3289d031 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -2592,7 +2592,7 @@ unsigned long try_to_free_pages(struct zonelist *zonelist, int order, { unsigned long nr_reclaimed; struct scan_control sc = { - .gfp_mask = (gfp_mask = memalloc_noio_flags(gfp_mask)), + .gfp_mask = (gfp_mask = gfp_from_current(gfp_mask)), .may_writepage = !laptop_mode, .nr_to_reclaim = SWAP_CLUSTER_MAX, .may_unmap = 1, @@ -3524,7 +3524,7 @@ static int __zone_reclaim(struct zone *zone, gfp_t gfp_mask, unsigned int order) .may_unmap = !!(zone_reclaim_mode & RECLAIM_SWAP), .may_swap = 1, .nr_to_reclaim = max(nr_pages, SWAP_CLUSTER_MAX), - .gfp_mask = (gfp_mask = memalloc_noio_flags(gfp_mask)), + .gfp_mask = (gfp_mask = gfp_from_current(gfp_mask)), .order = order, .priority = ZONE_RECLAIM_PRIORITY, }; From neilb@suse.de Tue Apr 15 23:18:29 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 9584D29DFE for ; Tue, 15 Apr 2014 23:18:29 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 3A2A1304077 for ; Tue, 15 Apr 2014 21:18:26 -0700 (PDT) X-ASG-Debug-ID: 1397621904-04cb6c243872840001-NocioJ Received: from mx2.suse.de (cantor2.suse.de [195.135.220.15]) by cuda.sgi.com with ESMTP id lAPQ9ImsTQDptQeB (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Tue, 15 Apr 2014 21:18:25 -0700 (PDT) X-Barracuda-Envelope-From: neilb@suse.de X-Barracuda-Apparent-Source-IP: 195.135.220.15 Received: from relay2.suse.de (charybdis-ext.suse.de [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id 325ABAB0E; Wed, 16 Apr 2014 04:18:24 +0000 (UTC) From: NeilBrown To: linux-mm@kvack.org, linux-nfs@vger.kernel.org, linux-kernel@vger.kernel.org Date: Wed, 16 Apr 2014 14:03:36 +1000 Subject: [PATCH 05/19] SUNRPC: track whether a request is coming from a loop-back interface. Cc: xfs@oss.sgi.com X-ASG-Orig-Subj: [PATCH 05/19] SUNRPC: track whether a request is coming from a loop-back interface. Cc: netdev@vger.kernel.org Message-ID: <20140416040336.10604.14822.stgit@notabene.brown> In-Reply-To: <20140416033623.10604.69237.stgit@notabene.brown> References: <20140416033623.10604.69237.stgit@notabene.brown> User-Agent: StGit/0.16 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Barracuda-Connect: cantor2.suse.de[195.135.220.15] X-Barracuda-Start-Time: 1397621905 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4958 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- If an incoming NFS request is coming from the local host, then nfsd will need to perform some special handling. So detect that possibility and make the source visible in rq_local. Signed-off-by: NeilBrown --- include/linux/sunrpc/svc.h | 1 + include/linux/sunrpc/svc_xprt.h | 1 + net/sunrpc/svcsock.c | 10 ++++++++++ 3 files changed, 12 insertions(+) diff --git a/include/linux/sunrpc/svc.h b/include/linux/sunrpc/svc.h index 04e763221246..a0dbbd1e00e9 100644 --- a/include/linux/sunrpc/svc.h +++ b/include/linux/sunrpc/svc.h @@ -254,6 +254,7 @@ struct svc_rqst { u32 rq_prot; /* IP protocol */ unsigned short rq_secure : 1; /* secure port */ + unsigned short rq_local : 1; /* local request */ void * rq_argp; /* decoded arguments */ void * rq_resp; /* xdr'd results */ diff --git a/include/linux/sunrpc/svc_xprt.h b/include/linux/sunrpc/svc_xprt.h index b05963f09ebf..b99bdfb0fcf9 100644 --- a/include/linux/sunrpc/svc_xprt.h +++ b/include/linux/sunrpc/svc_xprt.h @@ -63,6 +63,7 @@ struct svc_xprt { #define XPT_DETACHED 10 /* detached from tempsocks list */ #define XPT_LISTENER 11 /* listening endpoint */ #define XPT_CACHE_AUTH 12 /* cache auth info */ +#define XPT_LOCAL 13 /* connection from loopback interface */ struct svc_serv *xpt_server; /* service for transport */ atomic_t xpt_reserved; /* space on outq that is rsvd */ diff --git a/net/sunrpc/svcsock.c b/net/sunrpc/svcsock.c index b6e59f0a9475..193115fe968c 100644 --- a/net/sunrpc/svcsock.c +++ b/net/sunrpc/svcsock.c @@ -811,6 +811,7 @@ static struct svc_xprt *svc_tcp_accept(struct svc_xprt *xprt) struct socket *newsock; struct svc_sock *newsvsk; int err, slen; + struct dst_entry *dst; RPC_IFDEBUG(char buf[RPC_MAX_ADDRBUFLEN]); dprintk("svc: tcp_accept %p sock %p\n", svsk, sock); @@ -867,6 +868,14 @@ static struct svc_xprt *svc_tcp_accept(struct svc_xprt *xprt) } svc_xprt_set_local(&newsvsk->sk_xprt, sin, slen); + clear_bit(XPT_LOCAL, &newsvsk->sk_xprt.xpt_flags); + rcu_read_lock(); + dst = rcu_dereference(newsock->sk->sk_dst_cache); + if (dst && dst->dev && + (dst->dev->features & NETIF_F_LOOPBACK)) + set_bit(XPT_LOCAL, &newsvsk->sk_xprt.xpt_flags); + rcu_read_unlock(); + if (serv->sv_stats) serv->sv_stats->nettcpconn++; @@ -1112,6 +1121,7 @@ static int svc_tcp_recvfrom(struct svc_rqst *rqstp) rqstp->rq_xprt_ctxt = NULL; rqstp->rq_prot = IPPROTO_TCP; + rqstp->rq_local = !!test_bit(XPT_LOCAL, &svsk->sk_xprt.xpt_flags); p = (__be32 *)rqstp->rq_arg.head[0].iov_base; calldir = p[1]; From neilb@suse.de Tue Apr 15 23:18:35 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id B0DC329E01 for ; Tue, 15 Apr 2014 23:18:35 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id 7E4B28F8052 for ; Tue, 15 Apr 2014 21:18:35 -0700 (PDT) X-ASG-Debug-ID: 1397621912-04bdf0455375410001-NocioJ Received: from mx2.suse.de (cantor2.suse.de [195.135.220.15]) by cuda.sgi.com with ESMTP id xhnY1PRYw1Pc1G4e (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Tue, 15 Apr 2014 21:18:33 -0700 (PDT) X-Barracuda-Envelope-From: neilb@suse.de X-Barracuda-Apparent-Source-IP: 195.135.220.15 Received: from relay1.suse.de (charybdis-ext.suse.de [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id 715C0AB0E; Wed, 16 Apr 2014 04:18:32 +0000 (UTC) From: NeilBrown To: linux-mm@kvack.org, linux-nfs@vger.kernel.org, linux-kernel@vger.kernel.org Date: Wed, 16 Apr 2014 14:03:36 +1000 Subject: [PATCH 06/19] nfsd: set PF_FSTRANS for nfsd threads. Cc: xfs@oss.sgi.com X-ASG-Orig-Subj: [PATCH 06/19] nfsd: set PF_FSTRANS for nfsd threads. cc: Peter Zijlstra , Ingo Molnar Message-ID: <20140416040336.10604.60493.stgit@notabene.brown> In-Reply-To: <20140416033623.10604.69237.stgit@notabene.brown> References: <20140416033623.10604.69237.stgit@notabene.brown> User-Agent: StGit/0.16 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Barracuda-Connect: cantor2.suse.de[195.135.220.15] X-Barracuda-Start-Time: 1397621913 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4958 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- If a localhost mount is present, then it is easy to deadlock NFS by nfsd entering direct reclaim and calling nfs_release_page() which requires nfsd to perform an fsync() (which it cannot do because it is reclaiming memory). By setting PF_FSTRANS we stop the memory allocator from ever attempting any FS operation would could deadlock. We need this flag set for any thread which is handling a request from the local host, but we also need to always have it for at least 1 or 2 threads so that we don't end up with all threads blocked in allocation. When we set PF_FSTRANS we also tell lockdep that we are handling reclaim so that it can detect deadlocks for us. Signed-off-by: NeilBrown --- fs/nfsd/nfssvc.c | 18 ++++++++++++++++++ include/linux/sunrpc/svc.h | 1 + net/sunrpc/svc.c | 6 ++++++ 3 files changed, 25 insertions(+) diff --git a/fs/nfsd/nfssvc.c b/fs/nfsd/nfssvc.c index 9a4a5f9e7468..6af8bc2daf7d 100644 --- a/fs/nfsd/nfssvc.c +++ b/fs/nfsd/nfssvc.c @@ -565,6 +565,8 @@ nfsd(void *vrqstp) struct svc_xprt *perm_sock = list_entry(rqstp->rq_server->sv_permsocks.next, typeof(struct svc_xprt), xpt_list); struct net *net = perm_sock->xpt_net; int err; + unsigned int pflags = 0; + gfp_t reclaim_state = 0; /* Lock module and set up kernel thread */ mutex_lock(&nfsd_mutex); @@ -611,14 +613,30 @@ nfsd(void *vrqstp) ; if (err == -EINTR) break; + if (rqstp->rq_local && !current_test_flags(PF_FSTRANS)) { + current_set_flags_nested(&pflags, PF_FSTRANS); + atomic_inc(&rqstp->rq_pool->sp_nr_fstrans); + reclaim_state = lockdep_set_current_reclaim_state(GFP_KERNEL); + } validate_process_creds(); svc_process(rqstp); validate_process_creds(); + if (current_test_flags(PF_FSTRANS) && + atomic_dec_if_positive(&rqstp->rq_pool->sp_nr_fstrans) >= 0) { + current_restore_flags_nested(&pflags, PF_FSTRANS); + lockdep_restore_current_reclaim_state(reclaim_state); + } } /* Clear signals before calling svc_exit_thread() */ flush_signals(current); + if (current_test_flags(PF_FSTRANS)) { + current_restore_flags_nested(&pflags, PF_FSTRANS); + lockdep_restore_current_reclaim_state(reclaim_state); + atomic_dec(&rqstp->rq_pool->sp_nr_fstrans); + } + mutex_lock(&nfsd_mutex); nfsdstats.th_cnt --; diff --git a/include/linux/sunrpc/svc.h b/include/linux/sunrpc/svc.h index a0dbbd1e00e9..4b274aba51dd 100644 --- a/include/linux/sunrpc/svc.h +++ b/include/linux/sunrpc/svc.h @@ -48,6 +48,7 @@ struct svc_pool { struct list_head sp_threads; /* idle server threads */ struct list_head sp_sockets; /* pending sockets */ unsigned int sp_nrthreads; /* # of threads in pool */ + atomic_t sp_nr_fstrans; /* # threads with PF_FSTRANS */ struct list_head sp_all_threads; /* all server threads */ struct svc_pool_stats sp_stats; /* statistics on pool operation */ int sp_task_pending;/* has pending task */ diff --git a/net/sunrpc/svc.c b/net/sunrpc/svc.c index 5de6801cd924..8b13f35b6cbb 100644 --- a/net/sunrpc/svc.c +++ b/net/sunrpc/svc.c @@ -477,6 +477,12 @@ __svc_create(struct svc_program *prog, unsigned int bufsize, int npools, INIT_LIST_HEAD(&pool->sp_threads); INIT_LIST_HEAD(&pool->sp_sockets); INIT_LIST_HEAD(&pool->sp_all_threads); + /* The number of threads with PF_FSTRANS set + * should never be reduced below 2, except when + * threads exit. So we use atomic_dec_if_positive() + * on this value. + */ + atomic_set(&pool->sp_nr_fstrans, -2); spin_lock_init(&pool->sp_lock); } From neilb@suse.de Tue Apr 15 23:18:42 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id E8C437F50 for ; Tue, 15 Apr 2014 23:18:41 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id CF74F30407F for ; Tue, 15 Apr 2014 21:18:41 -0700 (PDT) X-ASG-Debug-ID: 1397621919-04cbb06e9c738d0001-NocioJ Received: from mx2.suse.de (cantor2.suse.de [195.135.220.15]) by cuda.sgi.com with ESMTP id Iqpb414RH3g9ylok (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Tue, 15 Apr 2014 21:18:40 -0700 (PDT) X-Barracuda-Envelope-From: neilb@suse.de X-Barracuda-Apparent-Source-IP: 195.135.220.15 Received: from relay2.suse.de (charybdis-ext.suse.de [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id 9FCE4AC2B; Wed, 16 Apr 2014 04:18:39 +0000 (UTC) From: NeilBrown To: linux-mm@kvack.org, linux-nfs@vger.kernel.org, linux-kernel@vger.kernel.org Date: Wed, 16 Apr 2014 14:03:36 +1000 Subject: [PATCH 07/19] nfsd and VM: use PF_LESS_THROTTLE to avoid throttle in shrink_inactive_list. Cc: xfs@oss.sgi.com X-ASG-Orig-Subj: [PATCH 07/19] nfsd and VM: use PF_LESS_THROTTLE to avoid throttle in shrink_inactive_list. Message-ID: <20140416040336.10604.55772.stgit@notabene.brown> In-Reply-To: <20140416033623.10604.69237.stgit@notabene.brown> References: <20140416033623.10604.69237.stgit@notabene.brown> User-Agent: StGit/0.16 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Barracuda-Connect: cantor2.suse.de[195.135.220.15] X-Barracuda-Start-Time: 1397621920 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4958 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- nfsd already uses PF_LESS_THROTTLE (and is the only user) to avoid throttling while dirtying pages. Use it also to avoid throttling while doing direct reclaim as this can stall nfsd in the same way. Also only set PF_LESS_THROTTLE when handling a 'write' request for a local connection. This is the only time when the throttling can cause a problem. In other cases we should throttle if the system is busy. Signed-off-by: NeilBrown --- fs/nfsd/nfssvc.c | 6 ------ fs/nfsd/vfs.c | 6 ++++++ mm/vmscan.c | 7 +++++-- 3 files changed, 11 insertions(+), 8 deletions(-) diff --git a/fs/nfsd/nfssvc.c b/fs/nfsd/nfssvc.c index 6af8bc2daf7d..cd24aa76e58d 100644 --- a/fs/nfsd/nfssvc.c +++ b/fs/nfsd/nfssvc.c @@ -593,12 +593,6 @@ nfsd(void *vrqstp) nfsdstats.th_cnt++; mutex_unlock(&nfsd_mutex); - /* - * We want less throttling in balance_dirty_pages() so that nfs to - * localhost doesn't cause nfsd to lock up due to all the client's - * dirty pages. - */ - current->flags |= PF_LESS_THROTTLE; set_freezable(); /* diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c index 6d7be3f80356..be2d7af3beee 100644 --- a/fs/nfsd/vfs.c +++ b/fs/nfsd/vfs.c @@ -913,6 +913,10 @@ nfsd_vfs_write(struct svc_rqst *rqstp, struct svc_fh *fhp, struct file *file, int stable = *stablep; int use_wgather; loff_t pos = offset; + unsigned int pflags; + + if (rqstp->rq_local) + current_set_flags_nested(&pflags, PF_LESS_THROTTLE); dentry = file->f_path.dentry; inode = dentry->d_inode; @@ -950,6 +954,8 @@ out_nfserr: err = 0; else err = nfserrno(host_err); + if (rqstp->rq_local) + current_restore_flags_nested(&pflags, PF_LESS_THROTTLE); return err; } diff --git a/mm/vmscan.c b/mm/vmscan.c index 05de3289d031..1b7c4e44f0a1 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -1552,7 +1552,8 @@ shrink_inactive_list(unsigned long nr_to_scan, struct lruvec *lruvec, * implies that pages are cycling through the LRU faster than * they are written so also forcibly stall. */ - if (nr_unqueued_dirty == nr_taken || nr_immediate) + if ((nr_unqueued_dirty == nr_taken || nr_immediate) + && !current_test_flags(PF_LESS_THROTTLE)) congestion_wait(BLK_RW_ASYNC, HZ/10); } @@ -1561,7 +1562,9 @@ shrink_inactive_list(unsigned long nr_to_scan, struct lruvec *lruvec, * is congested. Allow kswapd to continue until it starts encountering * unqueued dirty pages or cycling through the LRU too quickly. */ - if (!sc->hibernation_mode && !current_is_kswapd()) + if (!sc->hibernation_mode && + !current_is_kswapd() && + !current_test_flags(PF_LESS_THROTTLE)) wait_iff_congested(zone, BLK_RW_ASYNC, HZ/10); trace_mm_vmscan_lru_shrink_inactive(zone->zone_pgdat->node_id, From neilb@suse.de Tue Apr 15 23:18:49 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 0B0D329DF7 for ; Tue, 15 Apr 2014 23:18:49 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id D9C038F8052 for ; Tue, 15 Apr 2014 21:18:48 -0700 (PDT) X-ASG-Debug-ID: 1397621927-04cb6c243672860001-NocioJ Received: from mx2.suse.de (cantor2.suse.de [195.135.220.15]) by cuda.sgi.com with ESMTP id lFD1bxrC6IYOAH36 (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Tue, 15 Apr 2014 21:18:48 -0700 (PDT) X-Barracuda-Envelope-From: neilb@suse.de X-Barracuda-Apparent-Source-IP: 195.135.220.15 Received: from relay1.suse.de (charybdis-ext.suse.de [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id AAB50AC2B; Wed, 16 Apr 2014 04:18:46 +0000 (UTC) From: NeilBrown To: linux-mm@kvack.org, linux-nfs@vger.kernel.org, linux-kernel@vger.kernel.org Date: Wed, 16 Apr 2014 14:03:36 +1000 Subject: [PATCH 08/19] Set PF_FSTRANS while write_cache_pages calls ->writepage Cc: xfs@oss.sgi.com X-ASG-Orig-Subj: [PATCH 08/19] Set PF_FSTRANS while write_cache_pages calls ->writepage Message-ID: <20140416040336.10604.34673.stgit@notabene.brown> In-Reply-To: <20140416033623.10604.69237.stgit@notabene.brown> References: <20140416033623.10604.69237.stgit@notabene.brown> User-Agent: StGit/0.16 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Barracuda-Connect: cantor2.suse.de[195.135.220.15] X-Barracuda-Start-Time: 1397621927 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4958 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- It is normally safe for direct reclaim to enter filesystems even when a page is locked - as can happen if ->writepage allocates memory with GFP_KERNEL (which xfs does). However if a localhost NFS mount is present, then a flush-* thread might hold a page locked and then in direct reclaim, ask nfs to commit an inode (nfs_release_page). When nfsd performs the fsync it might try to lock the same page, which leads to a deadlock. A ->writepage should not allocate much memory, or do so very often, so it is safe to set PF_FSTRANS, and this removes the possible deadlock. This was not detected by lockdep as it doesn't monitor the page lock. It was found as a real deadlock in testing. Signed-off-by: NeilBrown --- mm/page-writeback.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/mm/page-writeback.c b/mm/page-writeback.c index 7106cb1aca8e..572e70b9a3f7 100644 --- a/mm/page-writeback.c +++ b/mm/page-writeback.c @@ -1909,6 +1909,7 @@ retry: for (i = 0; i < nr_pages; i++) { struct page *page = pvec.pages[i]; + unsigned int pflags; /* * At this point, the page may be truncated or @@ -1960,8 +1961,10 @@ continue_unlock: if (!clear_page_dirty_for_io(page)) goto continue_unlock; + current_set_flags_nested(&pflags, PF_FSTRANS); trace_wbc_writepage(wbc, mapping->backing_dev_info); ret = (*writepage)(page, wbc, data); + current_restore_flags_nested(&pflags, PF_FSTRANS); if (unlikely(ret)) { if (ret == AOP_WRITEPAGE_ACTIVATE) { unlock_page(page); From neilb@suse.de Tue Apr 15 23:18:56 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 900B67F4E for ; Tue, 15 Apr 2014 23:18:56 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 1AAC9AC002 for ; Tue, 15 Apr 2014 21:18:55 -0700 (PDT) X-ASG-Debug-ID: 1397621933-04cbb06e9d73900001-NocioJ Received: from mx2.suse.de (cantor2.suse.de [195.135.220.15]) by cuda.sgi.com with ESMTP id 4uT5VMzjvtLl7fB5 (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Tue, 15 Apr 2014 21:18:54 -0700 (PDT) X-Barracuda-Envelope-From: neilb@suse.de X-Barracuda-Apparent-Source-IP: 195.135.220.15 Received: from relay2.suse.de (charybdis-ext.suse.de [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id A9BD5AC2B; Wed, 16 Apr 2014 04:18:53 +0000 (UTC) From: NeilBrown To: linux-mm@kvack.org, linux-nfs@vger.kernel.org, linux-kernel@vger.kernel.org Date: Wed, 16 Apr 2014 14:03:36 +1000 Subject: [PATCH 09/19] XFS: ensure xfs_file_*_read cannot deadlock in memory allocation. Cc: xfs@oss.sgi.com X-ASG-Orig-Subj: [PATCH 09/19] XFS: ensure xfs_file_*_read cannot deadlock in memory allocation. Message-ID: <20140416040336.10604.90380.stgit@notabene.brown> In-Reply-To: <20140416033623.10604.69237.stgit@notabene.brown> References: <20140416033623.10604.69237.stgit@notabene.brown> User-Agent: StGit/0.16 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Barracuda-Connect: cantor2.suse.de[195.135.220.15] X-Barracuda-Start-Time: 1397621934 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4958 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- xfs_file_*_read holds an inode lock while calling a generic 'read' function. These functions perform read-ahead and are quite likely to allocate memory. So set PF_FSTRANS to ensure they avoid __GFP_FS and so don't recurse into a filesystem to free memory. This can be a problem with loop-back NFS mounts, if free_pages ends up wating in nfs_release_page(), and nfsd is blocked waiting for the lock that this code holds. This was found both by lockdep and as a real deadlock during testing. Signed-off-by: NeilBrown --- fs/xfs/xfs_file.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c index 64b48eade91d..88b33ef64668 100644 --- a/fs/xfs/xfs_file.c +++ b/fs/xfs/xfs_file.c @@ -243,6 +243,7 @@ xfs_file_aio_read( ssize_t ret = 0; int ioflags = 0; xfs_fsize_t n; + unsigned int pflags; XFS_STATS_INC(xs_read_calls); @@ -290,6 +291,10 @@ xfs_file_aio_read( * proceeed concurrently without serialisation. */ xfs_rw_ilock(ip, XFS_IOLOCK_SHARED); + /* As we hold a lock, we must ensure that any allocation + * in generic_file_aio_read avoid __GFP_FS + */ + current_set_flags_nested(&pflags, PF_FSTRANS); if ((ioflags & IO_ISDIRECT) && inode->i_mapping->nrpages) { xfs_rw_iunlock(ip, XFS_IOLOCK_SHARED); xfs_rw_ilock(ip, XFS_IOLOCK_EXCL); @@ -313,6 +318,7 @@ xfs_file_aio_read( if (ret > 0) XFS_STATS_ADD(xs_read_bytes, ret); + current_restore_flags_nested(&pflags, PF_FSTRANS); xfs_rw_iunlock(ip, XFS_IOLOCK_SHARED); return ret; } @@ -328,6 +334,7 @@ xfs_file_splice_read( struct xfs_inode *ip = XFS_I(infilp->f_mapping->host); int ioflags = 0; ssize_t ret; + unsigned int pflags; XFS_STATS_INC(xs_read_calls); @@ -338,6 +345,10 @@ xfs_file_splice_read( return -EIO; xfs_rw_ilock(ip, XFS_IOLOCK_SHARED); + /* As we hold a lock, we must ensure that any allocation + * in generic_file_splice_read avoid __GFP_FS + */ + current_set_flags_nested(&pflags, PF_FSTRANS); trace_xfs_file_splice_read(ip, count, *ppos, ioflags); @@ -345,6 +356,7 @@ xfs_file_splice_read( if (ret > 0) XFS_STATS_ADD(xs_read_bytes, ret); + current_restore_flags_nested(&pflags, PF_FSTRANS); xfs_rw_iunlock(ip, XFS_IOLOCK_SHARED); return ret; } From neilb@suse.de Tue Apr 15 23:19:03 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 4374E29DF7 for ; Tue, 15 Apr 2014 23:19:03 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 2C0008F8052 for ; Tue, 15 Apr 2014 21:19:03 -0700 (PDT) X-ASG-Debug-ID: 1397621941-04cbb06e9d73920001-NocioJ Received: from mx2.suse.de (cantor2.suse.de [195.135.220.15]) by cuda.sgi.com with ESMTP id TYT7kMHLLaWZ8aLE (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Tue, 15 Apr 2014 21:19:02 -0700 (PDT) X-Barracuda-Envelope-From: neilb@suse.de X-Barracuda-Apparent-Source-IP: 195.135.220.15 Received: from relay1.suse.de (charybdis-ext.suse.de [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id 23AEDAB0E; Wed, 16 Apr 2014 04:19:01 +0000 (UTC) From: NeilBrown To: linux-mm@kvack.org, linux-nfs@vger.kernel.org, linux-kernel@vger.kernel.org Date: Wed, 16 Apr 2014 14:03:36 +1000 Subject: [PATCH 10/19] NET: set PF_FSTRANS while holding sk_lock Cc: xfs@oss.sgi.com X-ASG-Orig-Subj: [PATCH 10/19] NET: set PF_FSTRANS while holding sk_lock Cc: netdev@vger.kernel.org Message-ID: <20140416040336.10604.96000.stgit@notabene.brown> In-Reply-To: <20140416033623.10604.69237.stgit@notabene.brown> References: <20140416033623.10604.69237.stgit@notabene.brown> User-Agent: StGit/0.16 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Barracuda-Connect: cantor2.suse.de[195.135.220.15] X-Barracuda-Start-Time: 1397621941 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4958 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- sk_lock can be taken while reclaiming memory (in nfsd for loop-back NFS mounts, and presumably in nfs), and memory can be allocated while holding sk_lock, at least via: inet_listen -> inet_csk_listen_start ->reqsk_queue_alloc So to avoid deadlocks, always set PF_FSTRANS while holding sk_lock. This deadlock was found by lockdep. Signed-off-by: NeilBrown --- include/net/sock.h | 1 + net/core/sock.c | 2 ++ 2 files changed, 3 insertions(+) diff --git a/include/net/sock.h b/include/net/sock.h index b9586a137cad..27c355637e44 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -324,6 +324,7 @@ struct sock { #define sk_v6_rcv_saddr __sk_common.skc_v6_rcv_saddr socket_lock_t sk_lock; + unsigned int sk_pflags; /* process flags before taking lock */ struct sk_buff_head sk_receive_queue; /* * The backlog queue is special, it is always used with diff --git a/net/core/sock.c b/net/core/sock.c index cf9bd24e4099..8bc677ef072e 100644 --- a/net/core/sock.c +++ b/net/core/sock.c @@ -2341,6 +2341,7 @@ void lock_sock_nested(struct sock *sk, int subclass) /* * The sk_lock has mutex_lock() semantics here: */ + current_set_flags_nested(&sk->sk_pflags, PF_FSTRANS); mutex_acquire(&sk->sk_lock.dep_map, subclass, 0, _RET_IP_); local_bh_enable(); } @@ -2352,6 +2353,7 @@ void release_sock(struct sock *sk) * The sk_lock has mutex_unlock() semantics: */ mutex_release(&sk->sk_lock.dep_map, 1, _RET_IP_); + current_restore_flags_nested(&sk->sk_pflags, PF_FSTRANS); spin_lock_bh(&sk->sk_lock.slock); if (sk->sk_backlog.tail) From neilb@suse.de Tue Apr 15 23:19:11 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 3D7247F3F for ; Tue, 15 Apr 2014 23:19:11 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id F24A1304053 for ; Tue, 15 Apr 2014 21:19:10 -0700 (PDT) X-ASG-Debug-ID: 1397621948-04bdf0455375460001-NocioJ Received: from mx2.suse.de (cantor2.suse.de [195.135.220.15]) by cuda.sgi.com with ESMTP id CAaHLA958u8HPwih (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Tue, 15 Apr 2014 21:19:09 -0700 (PDT) X-Barracuda-Envelope-From: neilb@suse.de X-Barracuda-Apparent-Source-IP: 195.135.220.15 Received: from relay2.suse.de (charybdis-ext.suse.de [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id 272B5AB0E; Wed, 16 Apr 2014 04:19:08 +0000 (UTC) From: NeilBrown To: linux-mm@kvack.org, linux-nfs@vger.kernel.org, linux-kernel@vger.kernel.org Date: Wed, 16 Apr 2014 14:03:36 +1000 Subject: [PATCH 11/19] FS: set PF_FSTRANS while holding mmap_sem in exec.c Cc: xfs@oss.sgi.com X-ASG-Orig-Subj: [PATCH 11/19] FS: set PF_FSTRANS while holding mmap_sem in exec.c Message-ID: <20140416040336.10604.31309.stgit@notabene.brown> In-Reply-To: <20140416033623.10604.69237.stgit@notabene.brown> References: <20140416033623.10604.69237.stgit@notabene.brown> User-Agent: StGit/0.16 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Barracuda-Connect: cantor2.suse.de[195.135.220.15] X-Barracuda-Start-Time: 1397621949 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4958 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- Because mmap_sem is sometimes(*) taken while holding a sock lock, and the sock lock might be needed for reclaim (at least when loop-back NFS is active), we must not block on FS reclaim while mmap_sem is held. exec.c allocates memory while holding mmap_sem, and so needs PF_FSTRANS protection. * lockdep reports: [ 57.653355] [] lock_acquire+0xa8/0x1f0 [ 57.653355] [] might_fault+0x84/0xb0 [ 57.653355] [] do_ip_setsockopt.isra.18+0x93d/0xed0 [ 57.653355] [] ip_setsockopt+0x27/0x90 [ 57.653355] [] udp_setsockopt+0x16/0x30 [ 57.653355] [] sock_common_setsockopt+0xf/0x20 [ 57.653355] [] SyS_setsockopt+0x5e/0xc0 [ 57.653355] [] system_call_fastpath+0x16/0x1b to explain why mmap_sem might be taken while sock lock is held. Signed-off-by: NeilBrown --- fs/exec.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/fs/exec.c b/fs/exec.c index 3d78fccdd723..2c70a03ddb2b 100644 --- a/fs/exec.c +++ b/fs/exec.c @@ -652,6 +652,7 @@ int setup_arg_pages(struct linux_binprm *bprm, unsigned long stack_size; unsigned long stack_expand; unsigned long rlim_stack; + unsigned int pflags; #ifdef CONFIG_STACK_GROWSUP /* Limit stack size to 1GB */ @@ -688,6 +689,7 @@ int setup_arg_pages(struct linux_binprm *bprm, down_write(&mm->mmap_sem); vm_flags = VM_STACK_FLAGS; + current_set_flags_nested(&pflags, PF_FSTRANS); /* * Adjust stack execute permissions; explicitly enable for @@ -741,6 +743,7 @@ int setup_arg_pages(struct linux_binprm *bprm, ret = -EFAULT; out_unlock: + current_restore_flags_nested(&pflags, PF_FSTRANS); up_write(&mm->mmap_sem); return ret; } @@ -1369,6 +1372,7 @@ int search_binary_handler(struct linux_binprm *bprm) bool need_retry = IS_ENABLED(CONFIG_MODULES); struct linux_binfmt *fmt; int retval; + unsigned int pflags; /* This allows 4 levels of binfmt rewrites before failing hard. */ if (bprm->recursion_depth > 5) @@ -1381,6 +1385,7 @@ int search_binary_handler(struct linux_binprm *bprm) retval = -ENOENT; retry: read_lock(&binfmt_lock); + current_set_flags_nested(&pflags, PF_FSTRANS); list_for_each_entry(fmt, &formats, lh) { if (!try_module_get(fmt->module)) continue; @@ -1396,6 +1401,7 @@ int search_binary_handler(struct linux_binprm *bprm) read_lock(&binfmt_lock); put_binfmt(fmt); } + current_restore_flags_nested(&pflags, PF_FSTRANS); read_unlock(&binfmt_lock); if (need_retry && retval == -ENOEXEC) { From neilb@suse.de Tue Apr 15 23:19:19 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 1AE8C29DF7 for ; Tue, 15 Apr 2014 23:19:19 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id E6BE5304077 for ; Tue, 15 Apr 2014 21:19:18 -0700 (PDT) X-ASG-Debug-ID: 1397621956-04cb6c2436728d0001-NocioJ Received: from mx2.suse.de (cantor2.suse.de [195.135.220.15]) by cuda.sgi.com with ESMTP id LGMoKAyEkJ1yCiEi (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Tue, 15 Apr 2014 21:19:16 -0700 (PDT) X-Barracuda-Envelope-From: neilb@suse.de X-Barracuda-Apparent-Source-IP: 195.135.220.15 Received: from relay1.suse.de (charybdis-ext.suse.de [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id 800B2AB0E; Wed, 16 Apr 2014 04:19:15 +0000 (UTC) From: NeilBrown To: linux-mm@kvack.org, linux-nfs@vger.kernel.org, linux-kernel@vger.kernel.org Date: Wed, 16 Apr 2014 14:03:36 +1000 Subject: [PATCH 12/19] NET: set PF_FSTRANS while holding rtnl_lock Cc: xfs@oss.sgi.com X-ASG-Orig-Subj: [PATCH 12/19] NET: set PF_FSTRANS while holding rtnl_lock Cc: netdev@vger.kernel.org Message-ID: <20140416040336.10604.81658.stgit@notabene.brown> In-Reply-To: <20140416033623.10604.69237.stgit@notabene.brown> References: <20140416033623.10604.69237.stgit@notabene.brown> User-Agent: StGit/0.16 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Barracuda-Connect: cantor2.suse.de[195.135.220.15] X-Barracuda-Start-Time: 1397621956 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4958 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- As rtnl_mutex can be taken while holding sk_lock, and sk_lock can be taken while performing memory reclaim (at least when loop-back NFS is active), any memory allocation under rtnl_mutex must avoid __GFP_FS, which is most easily done by setting PF_MEMALLOC. CPU0 CPU1 ---- ---- lock(rtnl_mutex); lock(sk_lock-AF_INET); lock(rtnl_mutex); lock(sk_lock-AF_INET); *** DEADLOCK *** 1/ rtnl_mutex is taken while holding sk_lock: [] rtnl_lock+0x12/0x20 [] ip_mc_leave_group+0x2a/0x160 [] do_ip_setsockopt.isra.18+0x96b/0xed0 [] ip_setsockopt+0x27/0x90 [] udp_setsockopt+0x16/0x30 [] sock_common_setsockopt+0xf/0x20 [] SyS_setsockopt+0x5e/0xc0 2/ memory is allocated under rtnl_mutex: [] kobject_set_name_vargs+0x21/0x70 [] dev_set_name+0x42/0x50 [] netdev_register_kobject+0x57/0x130 [] register_netdevice+0x354/0x550 [] register_netdev+0x15/0x30 Signed-off-by: NeilBrown --- net/core/rtnetlink.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c index 120eecc0f5a4..6870211e93a6 100644 --- a/net/core/rtnetlink.c +++ b/net/core/rtnetlink.c @@ -61,15 +61,18 @@ struct rtnl_link { }; static DEFINE_MUTEX(rtnl_mutex); +static int rtnl_pflags; void rtnl_lock(void) { mutex_lock(&rtnl_mutex); + current_set_flags_nested(&rtnl_pflags, PF_FSTRANS); } EXPORT_SYMBOL(rtnl_lock); void __rtnl_unlock(void) { + current_restore_flags_nested(&rtnl_pflags, PF_FSTRANS); mutex_unlock(&rtnl_mutex); } @@ -82,7 +85,11 @@ EXPORT_SYMBOL(rtnl_unlock); int rtnl_trylock(void) { - return mutex_trylock(&rtnl_mutex); + if (mutex_trylock(&rtnl_mutex)) { + current_set_flags_nested(&rtnl_pflags, PF_FSTRANS); + return 1; + } + return 0; } EXPORT_SYMBOL(rtnl_trylock); From neilb@suse.de Tue Apr 15 23:19:24 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id B39367F3F for ; Tue, 15 Apr 2014 23:19:24 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 9BD1D8F8054 for ; Tue, 15 Apr 2014 21:19:24 -0700 (PDT) X-ASG-Debug-ID: 1397621962-04cbb06e9a73940001-NocioJ Received: from mx2.suse.de (cantor2.suse.de [195.135.220.15]) by cuda.sgi.com with ESMTP id OZ4FLD589wKGqq6O (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Tue, 15 Apr 2014 21:19:23 -0700 (PDT) X-Barracuda-Envelope-From: neilb@suse.de X-Barracuda-Apparent-Source-IP: 195.135.220.15 Received: from relay1.suse.de (charybdis-ext.suse.de [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id 8E9F8AB0E; Wed, 16 Apr 2014 04:19:22 +0000 (UTC) From: NeilBrown To: linux-mm@kvack.org, linux-nfs@vger.kernel.org, linux-kernel@vger.kernel.org Date: Wed, 16 Apr 2014 14:03:36 +1000 Subject: [PATCH 13/19] MM: set PF_FSTRANS while allocating per-cpu memory to avoid deadlock. Cc: xfs@oss.sgi.com X-ASG-Orig-Subj: [PATCH 13/19] MM: set PF_FSTRANS while allocating per-cpu memory to avoid deadlock. Message-ID: <20140416040336.10604.67456.stgit@notabene.brown> In-Reply-To: <20140416033623.10604.69237.stgit@notabene.brown> References: <20140416033623.10604.69237.stgit@notabene.brown> User-Agent: StGit/0.16 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Barracuda-Connect: cantor2.suse.de[195.135.220.15] X-Barracuda-Start-Time: 1397621963 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4958 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- lockdep reports a locking chain sk_lock-AF_INET --> rtnl_mutex --> pcpu_alloc_mutex As sk_lock may be needed to reclaim memory, allowing that reclaim while pcu_alloc_mutex is held can lead to deadlock. So set PF_FSTRANS while it is help to avoid the FS reclaim. pcpu_alloc_mutex can be taken when rtnl_mutex is held: [] pcpu_alloc+0x49/0x960 [] __alloc_percpu+0xb/0x10 [] loopback_dev_init+0x17/0x60 [] register_netdevice+0xec/0x550 [] register_netdev+0x15/0x30 Signed-off-by: NeilBrown --- mm/percpu.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/mm/percpu.c b/mm/percpu.c index 036cfe07050f..77dd24032f41 100644 --- a/mm/percpu.c +++ b/mm/percpu.c @@ -712,6 +712,7 @@ static void __percpu *pcpu_alloc(size_t size, size_t align, bool reserved) int slot, off, new_alloc; unsigned long flags; void __percpu *ptr; + unsigned int pflags; if (unlikely(!size || size > PCPU_MIN_UNIT_SIZE || align > PAGE_SIZE)) { WARN(true, "illegal size (%zu) or align (%zu) for " @@ -720,6 +721,7 @@ static void __percpu *pcpu_alloc(size_t size, size_t align, bool reserved) } mutex_lock(&pcpu_alloc_mutex); + current_set_flags_nested(&pflags, PF_FSTRANS); spin_lock_irqsave(&pcpu_lock, flags); /* serve reserved allocations from the reserved chunk if available */ @@ -801,6 +803,7 @@ area_found: goto fail_unlock; } + current_restore_flags_nested(&pflags, PF_FSTRANS); mutex_unlock(&pcpu_alloc_mutex); /* return address relative to base address */ @@ -811,6 +814,7 @@ area_found: fail_unlock: spin_unlock_irqrestore(&pcpu_lock, flags); fail_unlock_mutex: + current_restore_flags_nested(&pflags, PF_FSTRANS); mutex_unlock(&pcpu_alloc_mutex); if (warn_limit) { pr_warning("PERCPU: allocation failed, size=%zu align=%zu, " From neilb@suse.de Tue Apr 15 23:19:32 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 4974629DF7 for ; Tue, 15 Apr 2014 23:19:32 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id C808FAC001 for ; Tue, 15 Apr 2014 21:19:31 -0700 (PDT) X-ASG-Debug-ID: 1397621969-04cbb06e9a73950001-NocioJ Received: from mx2.suse.de (cantor2.suse.de [195.135.220.15]) by cuda.sgi.com with ESMTP id iYfGcsgyrWUCBmz3 (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Tue, 15 Apr 2014 21:19:30 -0700 (PDT) X-Barracuda-Envelope-From: neilb@suse.de X-Barracuda-Apparent-Source-IP: 195.135.220.15 Received: from relay2.suse.de (charybdis-ext.suse.de [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id 8BB48AB0E; Wed, 16 Apr 2014 04:19:29 +0000 (UTC) From: NeilBrown To: linux-mm@kvack.org, linux-nfs@vger.kernel.org, linux-kernel@vger.kernel.org Date: Wed, 16 Apr 2014 14:03:36 +1000 Subject: [PATCH 14/19] driver core: set PF_FSTRANS while holding gdp_mutex Cc: xfs@oss.sgi.com X-ASG-Orig-Subj: [PATCH 14/19] driver core: set PF_FSTRANS while holding gdp_mutex Message-ID: <20140416040336.10604.223.stgit@notabene.brown> In-Reply-To: <20140416033623.10604.69237.stgit@notabene.brown> References: <20140416033623.10604.69237.stgit@notabene.brown> User-Agent: StGit/0.16 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Barracuda-Connect: cantor2.suse.de[195.135.220.15] X-Barracuda-Start-Time: 1397621970 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4958 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- lockdep reports a locking chain: sk_lock-AF_INET --> rtnl_mutex --> gdp_mutex As sk_lock can be needed for memory reclaim (when loop-back NFS is in use at least), any memory allocation under gdp_mutex needs to be protected by PF_FSTRANS. The path frome rtnl_mutex to gdp_mutex is [] get_device_parent+0x4c/0x1f0 [] device_add+0xe6/0x610 [] netdev_register_kobject+0x7a/0x130 [] register_netdevice+0x354/0x550 [] register_netdev+0x15/0x30 Signed-off-by: NeilBrown --- drivers/base/core.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/base/core.c b/drivers/base/core.c index 2b567177ef78..1a2735237650 100644 --- a/drivers/base/core.c +++ b/drivers/base/core.c @@ -750,6 +750,7 @@ static struct kobject *get_device_parent(struct device *dev, struct kobject *kobj = NULL; struct kobject *parent_kobj; struct kobject *k; + unsigned int pflags; #ifdef CONFIG_BLOCK /* block disks show up in /sys/block */ @@ -788,7 +789,9 @@ static struct kobject *get_device_parent(struct device *dev, } /* or create a new class-directory at the parent device */ + current_set_flags_nested(&pflags, PF_FSTRANS); k = class_dir_create_and_add(dev->class, parent_kobj); + current_restore_flags_nested(&pflags, PF_FSTRANS); /* do not emit an uevent for this simple "glue" directory */ mutex_unlock(&gdp_mutex); return k; From neilb@suse.de Tue Apr 15 23:19:39 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 7556F29E1A for ; Tue, 15 Apr 2014 23:19:39 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id 0FE1AAC001 for ; Tue, 15 Apr 2014 21:19:39 -0700 (PDT) X-ASG-Debug-ID: 1397621976-04bdf04554754a0001-NocioJ Received: from mx2.suse.de (cantor2.suse.de [195.135.220.15]) by cuda.sgi.com with ESMTP id yAtZfxp6V6Y8pFPt (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Tue, 15 Apr 2014 21:19:37 -0700 (PDT) X-Barracuda-Envelope-From: neilb@suse.de X-Barracuda-Apparent-Source-IP: 195.135.220.15 Received: from relay1.suse.de (charybdis-ext.suse.de [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id 88305AB0E; Wed, 16 Apr 2014 04:19:36 +0000 (UTC) From: NeilBrown To: linux-mm@kvack.org, linux-nfs@vger.kernel.org, linux-kernel@vger.kernel.org Date: Wed, 16 Apr 2014 14:03:37 +1000 Subject: [PATCH 15/19] nfsd: set PF_FSTRANS when client_mutex is held. Cc: xfs@oss.sgi.com X-ASG-Orig-Subj: [PATCH 15/19] nfsd: set PF_FSTRANS when client_mutex is held. Message-ID: <20140416040336.10604.67828.stgit@notabene.brown> In-Reply-To: <20140416033623.10604.69237.stgit@notabene.brown> References: <20140416033623.10604.69237.stgit@notabene.brown> User-Agent: StGit/0.16 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Barracuda-Connect: cantor2.suse.de[195.135.220.15] X-Barracuda-Start-Time: 1397621977 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4958 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- When loop-back NFS with NFSv4 is in use, client_mutex might be needed to reclaim memory, so any memory allocation while client_mutex is held must avoid __GFP_FS, so best to set PF_FSTRANS. Signed-off-by: NeilBrown --- fs/nfsd/nfs4state.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c index d5d070fbeb35..7b7fbcbe20cb 100644 --- a/fs/nfsd/nfs4state.c +++ b/fs/nfsd/nfs4state.c @@ -75,6 +75,7 @@ static int check_for_locks(struct nfs4_file *filp, struct nfs4_lockowner *lowner /* Currently used for almost all code touching nfsv4 state: */ static DEFINE_MUTEX(client_mutex); +static unsigned int client_mutex_pflags; /* * Currently used for the del_recall_lru and file hash table. In an @@ -93,6 +94,7 @@ void nfs4_lock_state(void) { mutex_lock(&client_mutex); + current_set_flags_nested(&client_mutex_pflags, PF_FSTRANS); } static void free_session(struct nfsd4_session *); @@ -127,6 +129,7 @@ static __be32 nfsd4_get_session_locked(struct nfsd4_session *ses) void nfs4_unlock_state(void) { + current_restore_flags_nested(&client_mutex_pflags, PF_FSTRANS); mutex_unlock(&client_mutex); } From neilb@suse.de Tue Apr 15 23:19:46 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 2C9837F3F for ; Tue, 15 Apr 2014 23:19:46 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id AD91AAC004 for ; Tue, 15 Apr 2014 21:19:45 -0700 (PDT) X-ASG-Debug-ID: 1397621984-04cb6c243772900001-NocioJ Received: from mx2.suse.de (cantor2.suse.de [195.135.220.15]) by cuda.sgi.com with ESMTP id x3LPSpwk0ba3Ld9H (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Tue, 15 Apr 2014 21:19:44 -0700 (PDT) X-Barracuda-Envelope-From: neilb@suse.de X-Barracuda-Apparent-Source-IP: 195.135.220.15 Received: from relay2.suse.de (charybdis-ext.suse.de [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id 83835AC2B; Wed, 16 Apr 2014 04:19:43 +0000 (UTC) From: NeilBrown To: linux-mm@kvack.org, linux-nfs@vger.kernel.org, linux-kernel@vger.kernel.org Date: Wed, 16 Apr 2014 14:03:37 +1000 Subject: [PATCH 16/19] VFS: use GFP_NOFS rather than GFP_KERNEL in __d_alloc. Cc: xfs@oss.sgi.com X-ASG-Orig-Subj: [PATCH 16/19] VFS: use GFP_NOFS rather than GFP_KERNEL in __d_alloc. Message-ID: <20140416040337.10604.61837.stgit@notabene.brown> In-Reply-To: <20140416033623.10604.69237.stgit@notabene.brown> References: <20140416033623.10604.69237.stgit@notabene.brown> User-Agent: StGit/0.16 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Barracuda-Connect: cantor2.suse.de[195.135.220.15] X-Barracuda-Start-Time: 1397621984 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4958 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- __d_alloc can be called with i_mutex held, so it is safer to use GFP_NOFS. lockdep reports this can deadlock when loop-back NFS is in use, as nfsd may be required to write out for reclaim, and nfsd certainly takes i_mutex. Signed-off-by: NeilBrown --- fs/dcache.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/fs/dcache.c b/fs/dcache.c index ca02c13a84aa..3651ff6185b4 100644 --- a/fs/dcache.c +++ b/fs/dcache.c @@ -1483,7 +1483,7 @@ struct dentry *__d_alloc(struct super_block *sb, const struct qstr *name) struct dentry *dentry; char *dname; - dentry = kmem_cache_alloc(dentry_cache, GFP_KERNEL); + dentry = kmem_cache_alloc(dentry_cache, GFP_NOFS); if (!dentry) return NULL; @@ -1495,7 +1495,7 @@ struct dentry *__d_alloc(struct super_block *sb, const struct qstr *name) */ dentry->d_iname[DNAME_INLINE_LEN-1] = 0; if (name->len > DNAME_INLINE_LEN-1) { - dname = kmalloc(name->len + 1, GFP_KERNEL); + dname = kmalloc(name->len + 1, GFP_NOFS); if (!dname) { kmem_cache_free(dentry_cache, dentry); return NULL; From neilb@suse.de Tue Apr 15 23:19:52 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id C22D729E06 for ; Tue, 15 Apr 2014 23:19:52 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id AA8118F8054 for ; Tue, 15 Apr 2014 21:19:52 -0700 (PDT) X-ASG-Debug-ID: 1397621990-04cbb06e9a73970001-NocioJ Received: from mx2.suse.de (cantor2.suse.de [195.135.220.15]) by cuda.sgi.com with ESMTP id BE0lGpKMKtdwsHNm (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Tue, 15 Apr 2014 21:19:51 -0700 (PDT) X-Barracuda-Envelope-From: neilb@suse.de X-Barracuda-Apparent-Source-IP: 195.135.220.15 Received: from relay1.suse.de (charybdis-ext.suse.de [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id 879F1AC2B; Wed, 16 Apr 2014 04:19:50 +0000 (UTC) From: NeilBrown To: linux-mm@kvack.org, linux-nfs@vger.kernel.org, linux-kernel@vger.kernel.org Date: Wed, 16 Apr 2014 14:03:37 +1000 Subject: [PATCH 17/19] VFS: set PF_FSTRANS while namespace_sem is held. Cc: xfs@oss.sgi.com X-ASG-Orig-Subj: [PATCH 17/19] VFS: set PF_FSTRANS while namespace_sem is held. Message-ID: <20140416040337.10604.86740.stgit@notabene.brown> In-Reply-To: <20140416033623.10604.69237.stgit@notabene.brown> References: <20140416033623.10604.69237.stgit@notabene.brown> User-Agent: StGit/0.16 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Barracuda-Connect: cantor2.suse.de[195.135.220.15] X-Barracuda-Start-Time: 1397621991 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4958 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- namespace_sem can be taken while various i_mutex locks are held, so we need to avoid reclaim from blocking on an FS (particularly loop-back NFS). A memory allocation happens under namespace_sem at least in: [] kmem_cache_alloc+0x4f/0x290 [] alloc_vfsmnt+0x1f/0x1d0 [] clone_mnt+0x2a/0x310 [] copy_tree+0x53/0x380 [] copy_mnt_ns+0x7f/0x280 [] create_new_namespaces+0x5c/0x190 [] unshare_nsproxy_namespaces+0x59/0x90 So set PF_FSTRANS in namespace_lock() and restore in namespace_unlock(). Signed-off-by: NeilBrown --- fs/namespace.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/fs/namespace.c b/fs/namespace.c index 2ffc5a2905d4..83dcd5083dbb 100644 --- a/fs/namespace.c +++ b/fs/namespace.c @@ -63,6 +63,7 @@ static struct hlist_head *mount_hashtable __read_mostly; static struct hlist_head *mountpoint_hashtable __read_mostly; static struct kmem_cache *mnt_cache __read_mostly; static DECLARE_RWSEM(namespace_sem); +static unsigned long namespace_sem_pflags; /* /sys/fs */ struct kobject *fs_kobj; @@ -1196,6 +1197,8 @@ static void namespace_unlock(void) struct mount *mnt; struct hlist_head head = unmounted; + current_restore_flags_nested(&namespace_sem_pflags, PF_FSTRANS); + if (likely(hlist_empty(&head))) { up_write(&namespace_sem); return; @@ -1220,6 +1223,7 @@ static void namespace_unlock(void) static inline void namespace_lock(void) { down_write(&namespace_sem); + current_set_flags_nested(&namespace_sem_pflags, PF_FSTRANS); } /* From neilb@suse.de Tue Apr 15 23:20:00 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 1E3437F3F for ; Tue, 15 Apr 2014 23:20:00 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id E9DE3304081 for ; Tue, 15 Apr 2014 21:19:59 -0700 (PDT) X-ASG-Debug-ID: 1397621998-04cb6c243772920001-NocioJ Received: from mx2.suse.de (cantor2.suse.de [195.135.220.15]) by cuda.sgi.com with ESMTP id 52umEIG0GuHVaqgw (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Tue, 15 Apr 2014 21:19:58 -0700 (PDT) X-Barracuda-Envelope-From: neilb@suse.de X-Barracuda-Apparent-Source-IP: 195.135.220.15 Received: from relay2.suse.de (charybdis-ext.suse.de [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id 978D6AB0E; Wed, 16 Apr 2014 04:19:57 +0000 (UTC) From: NeilBrown To: linux-mm@kvack.org, linux-nfs@vger.kernel.org, linux-kernel@vger.kernel.org Date: Wed, 16 Apr 2014 14:03:37 +1000 Subject: [PATCH 18/19] nfsd: set PF_FSTRANS during nfsd4_do_callback_rpc. Cc: xfs@oss.sgi.com X-ASG-Orig-Subj: [PATCH 18/19] nfsd: set PF_FSTRANS during nfsd4_do_callback_rpc. Message-ID: <20140416040337.10604.52860.stgit@notabene.brown> In-Reply-To: <20140416033623.10604.69237.stgit@notabene.brown> References: <20140416033623.10604.69237.stgit@notabene.brown> User-Agent: StGit/0.16 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Barracuda-Connect: cantor2.suse.de[195.135.220.15] X-Barracuda-Start-Time: 1397621998 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4958 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- nfsd will sometimes call flush_workqueue on the workqueue running nfsd4_do_callback_rpc, so we must ensure that it doesn't block in filesystem reclaim. So set PF_FSTRANS. Signed-off-by: NeilBrown --- fs/nfsd/nfs4callback.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/fs/nfsd/nfs4callback.c b/fs/nfsd/nfs4callback.c index 7f05cd140de3..7784b5d4edf0 100644 --- a/fs/nfsd/nfs4callback.c +++ b/fs/nfsd/nfs4callback.c @@ -997,6 +997,9 @@ static void nfsd4_do_callback_rpc(struct work_struct *w) struct nfsd4_callback *cb = container_of(w, struct nfsd4_callback, cb_work); struct nfs4_client *clp = cb->cb_clp; struct rpc_clnt *clnt; + unsigned int pflags; + + current_set_flags_nested(&pflags, PF_FSTRANS); if (clp->cl_flags & NFSD4_CLIENT_CB_FLAG_MASK) nfsd4_process_cb_update(cb); @@ -1005,11 +1008,13 @@ static void nfsd4_do_callback_rpc(struct work_struct *w) if (!clnt) { /* Callback channel broken, or client killed; give up: */ nfsd4_release_cb(cb); + current_restore_flags_nested(&pflags, PF_FSTRANS); return; } cb->cb_msg.rpc_cred = clp->cl_cb_cred; rpc_call_async(clnt, &cb->cb_msg, RPC_TASK_SOFT | RPC_TASK_SOFTCONN, cb->cb_ops, cb); + current_restore_flags_nested(&pflags, PF_FSTRANS); } void nfsd4_init_callback(struct nfsd4_callback *cb) From neilb@suse.de Tue Apr 15 23:20:07 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 84B4229E06 for ; Tue, 15 Apr 2014 23:20:07 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 0FA81AC001 for ; Tue, 15 Apr 2014 21:20:06 -0700 (PDT) X-ASG-Debug-ID: 1397622004-04cbb06e9b73990001-NocioJ Received: from mx2.suse.de (cantor2.suse.de [195.135.220.15]) by cuda.sgi.com with ESMTP id rHHIgX2DFDGxCr5i (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Tue, 15 Apr 2014 21:20:05 -0700 (PDT) X-Barracuda-Envelope-From: neilb@suse.de X-Barracuda-Apparent-Source-IP: 195.135.220.15 Received: from relay1.suse.de (charybdis-ext.suse.de [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id 99360AB0E; Wed, 16 Apr 2014 04:20:04 +0000 (UTC) From: NeilBrown To: linux-mm@kvack.org, linux-nfs@vger.kernel.org, linux-kernel@vger.kernel.org Date: Wed, 16 Apr 2014 14:03:37 +1000 Subject: [PATCH 19/19] XFS: set PF_FSTRANS while ilock is held in xfs_free_eofblocks Cc: xfs@oss.sgi.com X-ASG-Orig-Subj: [PATCH 19/19] XFS: set PF_FSTRANS while ilock is held in xfs_free_eofblocks Message-ID: <20140416040337.10604.7488.stgit@notabene.brown> In-Reply-To: <20140416033623.10604.69237.stgit@notabene.brown> References: <20140416033623.10604.69237.stgit@notabene.brown> User-Agent: StGit/0.16 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Barracuda-Connect: cantor2.suse.de[195.135.220.15] X-Barracuda-Start-Time: 1397622005 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4958 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- memory allocates can happen while the xfs ilock is held in xfs_free_eofblocks, particularly [] kmem_zone_alloc+0x67/0xc0 [] xfs_trans_add_item+0x25/0x50 [] xfs_trans_ijoin+0x2c/0x60 [] xfs_itruncate_extents+0xbe/0x400 [] xfs_free_eofblocks+0x1c4/0x240 So set PF_FSTRANS to avoid this causing a deadlock. Care is needed here as xfs_trans_reserve() also sets PF_FSTRANS, while xfs_trans_cancel and xfs_trans_commit will clear it. So our extra setting must fully nest these calls. Signed-off-by: NeilBrown --- fs/xfs/xfs_bmap_util.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/fs/xfs/xfs_bmap_util.c b/fs/xfs/xfs_bmap_util.c index f264616080ca..53761fe4fada 100644 --- a/fs/xfs/xfs_bmap_util.c +++ b/fs/xfs/xfs_bmap_util.c @@ -889,6 +889,7 @@ xfs_free_eofblocks( xfs_filblks_t map_len; int nimaps; xfs_bmbt_irec_t imap; + unsigned int pflags; /* * Figure out if there are any blocks beyond the end @@ -929,12 +930,14 @@ xfs_free_eofblocks( } } + current_set_flags_nested(&pflags, PF_FSTRANS); error = xfs_trans_reserve(tp, &M_RES(mp)->tr_itruncate, 0, 0); if (error) { ASSERT(XFS_FORCED_SHUTDOWN(mp)); xfs_trans_cancel(tp, 0); if (need_iolock) xfs_iunlock(ip, XFS_IOLOCK_EXCL); + current_restore_flags_nested(&pflags, PF_FSTRANS); return error; } @@ -964,6 +967,7 @@ xfs_free_eofblocks( xfs_inode_clear_eofblocks_tag(ip); } + current_restore_flags_nested(&pflags, PF_FSTRANS); xfs_iunlock(ip, XFS_ILOCK_EXCL); if (need_iolock) xfs_iunlock(ip, XFS_IOLOCK_EXCL); From viro@ftp.linux.org.uk Tue Apr 15 23:46:25 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 1853129DFD for ; Tue, 15 Apr 2014 23:46:25 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id E959330404E for ; Tue, 15 Apr 2014 21:46:24 -0700 (PDT) X-ASG-Debug-ID: 1397623582-04cbb06e9c743d0001-NocioJ Received: from ZenIV.linux.org.uk (zeniv.linux.org.uk [195.92.253.2]) by cuda.sgi.com with ESMTP id D8SGEm6zxQN8Az3P (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Tue, 15 Apr 2014 21:46:23 -0700 (PDT) X-Barracuda-Envelope-From: viro@ftp.linux.org.uk X-Barracuda-Apparent-Source-IP: 195.92.253.2 Received: from viro by ZenIV.linux.org.uk with local (Exim 4.76 #1 (Red Hat Linux)) id 1WaHjm-0001xK-Ss; Wed, 16 Apr 2014 04:46:18 +0000 Date: Wed, 16 Apr 2014 05:46:18 +0100 From: Al Viro To: NeilBrown Cc: linux-mm@kvack.org, linux-nfs@vger.kernel.org, linux-kernel@vger.kernel.org, xfs@oss.sgi.com Subject: Re: [PATCH 17/19] VFS: set PF_FSTRANS while namespace_sem is held. Message-ID: <20140416044618.GX18016@ZenIV.linux.org.uk> X-ASG-Orig-Subj: Re: [PATCH 17/19] VFS: set PF_FSTRANS while namespace_sem is held. References: <20140416033623.10604.69237.stgit@notabene.brown> <20140416040337.10604.86740.stgit@notabene.brown> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140416040337.10604.86740.stgit@notabene.brown> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: Al Viro X-Barracuda-Connect: zeniv.linux.org.uk[195.92.253.2] X-Barracuda-Start-Time: 1397623583 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4958 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Wed, Apr 16, 2014 at 02:03:37PM +1000, NeilBrown wrote: > namespace_sem can be taken while various i_mutex locks are held, so we > need to avoid reclaim from blocking on an FS (particularly loop-back > NFS). I would really prefer to deal with that differently - by explicit change of gfp_t arguments of allocators. The thing is, namespace_sem is held *only* over allocations, and not a lot of them, at that - only mnt_alloc_id(), mnt_alloc_group_id(), alloc_vfsmnt() and new_mountpoint(). That is all that is allowed. Again, actual work with filesystems (setup, shutdown, remount, pathname resolution, etc.) is all done outside of namespace_sem; it's held only for manipulations of fs/{namespace,pnode}.c data structures and the only reason it isn't a spinlock is that we need to do some allocations. So I'd rather slap GFP_NOFS on those few allocations... From tytso@thunk.org Tue Apr 15 23:58:30 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id ABDBA7F76 for ; Tue, 15 Apr 2014 23:58:30 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 90B118F8039 for ; Tue, 15 Apr 2014 21:58:30 -0700 (PDT) X-ASG-Debug-ID: 1397624308-04cb6c243673880001-NocioJ Received: from imap.thunk.org (imap.thunk.org [74.207.234.97]) by cuda.sgi.com with ESMTP id pIHCBaZaEtlH65Ns (version=TLSv1 cipher=AES128-SHA bits=128 verify=NO) for ; Tue, 15 Apr 2014 21:58:28 -0700 (PDT) X-Barracuda-Envelope-From: tytso@thunk.org X-Barracuda-Apparent-Source-IP: 74.207.234.97 Received: from root (helo=closure.thunk.org) by imap.thunk.org with local-esmtp (Exim 4.80) (envelope-from ) id 1WaHvX-0004sn-CQ; Wed, 16 Apr 2014 04:58:27 +0000 Received: by closure.thunk.org (Postfix, from userid 15806) id 76403580893; Wed, 16 Apr 2014 00:58:26 -0400 (EDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=thunk.org; s=ef5046eb; t=1397624306; bh=PXcDIpGad/UQeXpztQuZ8eP8oDnAPwpamnfycssnrJk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=h6xSJ3qXQbc/530Kd9G7pPd07ZO2bZo2tv9A5+dJV+CS2KUM1d9swWOosfUAiNn1X 81+SEZ88bRT6PTIEC9Oq1ttgWFV4z9lw9lms99XPLsalLBdXPtSkFXP3If7l7KEMgb psdbMQ9VXv8Sfqa/Ytnp0eekApNP9DyW1F+ShyLo= From: Theodore Ts'o To: xfs@oss.sgi.com Cc: Ext4 Developers List , Theodore Ts'o Subject: [PATCH -v2] check: add support for an external file containing tests to exclude Date: Wed, 16 Apr 2014 00:58:22 -0400 X-ASG-Orig-Subj: [PATCH -v2] check: add support for an external file containing tests to exclude Message-Id: <1397624302-9577-1-git-send-email-tytso@mit.edu> X-Mailer: git-send-email 1.9.0 In-Reply-To: <20140416001530.GU15995@dastard> References: <20140416001530.GU15995@dastard> X-SA-Exim-Connect-IP: X-SA-Exim-Mail-From: tytso@thunk.org X-SA-Exim-Scanned: No (on imap.thunk.org); SAEximRunCond expanded to false X-Barracuda-Connect: imap.thunk.org[74.207.234.97] X-Barracuda-Start-Time: 1397624308 X-Barracuda-Encrypted: AES128-SHA X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=DKIM_SIGNED, DKIM_VERIFIED X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4959 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- -0.00 DKIM_VERIFIED Domain Keys Identified Mail: signature passes verification 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature Currently the -X option is intended to specify a set of expunging files which are stored in each test/* subdirectory. As described in the commit description for 0b1e8abd4, in order to exclude the test generic/280, the -X option is used as follows: $ cat tests/generic/3.0-stable-avoid 280 $ sudo ./check -X 3.0-stable-avoid generic/280 However, it is sometimes useful to store the set of expunged tests in a single file, outside of tests/* subdirectories. This commit enables the following: $ cat /root/conf/data_journal.exclude generic/068 ext4/301 $ sudo ./check -E /root/conf/data_journal.exclude -g auto Signed-off-by: "Theodore Ts'o" --- check | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/check b/check index e7ace63..b1eaed2 100755 --- a/check +++ b/check @@ -81,6 +81,7 @@ testlist options -g group[,group...] include tests from these groups -x group[,group...] exclude tests from these groups -X file exclude individual tests + -E external_file exclude individual tests [testlist] include tests matching names in testlist ' exit 0 @@ -222,6 +223,11 @@ while [ $# -gt 0 ]; do done done ;; + -E) xfile=$2; shift ; + if [ -f $xfile ]; then + cat "$xfile" >> $tmp.xlist + fi + ;; -s) RUN_SECTION="$RUN_SECTION $2"; shift ;; -l) diff="diff" ;; -udiff) diff="$diff -u" ;; -- 1.9.0 From eric.dumazet@gmail.com Wed Apr 16 00:14:01 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=FREEMAIL_FROM,T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id D35E37F5F for ; Wed, 16 Apr 2014 00:14:01 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id B96FC8F8068 for ; Tue, 15 Apr 2014 22:13:49 -0700 (PDT) X-ASG-Debug-ID: 1397625228-04bdf0455376ae0001-NocioJ Received: from mail-pd0-f181.google.com (mail-pd0-f181.google.com [209.85.192.181]) by cuda.sgi.com with ESMTP id 5TUCLaOuYQAHjro1 (version=TLSv1 cipher=RC4-SHA bits=128 verify=NO) for ; Tue, 15 Apr 2014 22:13:48 -0700 (PDT) X-Barracuda-Envelope-From: eric.dumazet@gmail.com X-Barracuda-RBL-Trusted-Forwarder: 209.85.192.181 Received: by mail-pd0-f181.google.com with SMTP id p10so10249902pdj.40 for ; Tue, 15 Apr 2014 22:13:48 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=message-id:subject:from:to:cc:date:in-reply-to:references :content-type:content-transfer-encoding:mime-version; bh=xD9DIIaID91y+ESCvfXO5o/T2UrOqB3PRddDdod4zWQ=; b=hfAL7yISP8AIC3Dp2qe/J11jhTDeUkI/hm4Nf9b0KKZfVrx5C/VseUQY7feF2HTtdS OtoO5WgO3tZt1aTw7dQXV/z7sa+IE1W61FjqlH0JbBGpqQT/rL9AipASDbE8EsQpwQBn 8GkFbhUeMUcHfocSi1v0UGnVQ5FDXSIUTzKA0mdnAv+AieloZZBwt3aGMwtLf60HmE/E 4Rr8gAHNu4Gciucn6RNohqM5ciX4qeVCgxWpLv0fSx/mjWqDf+xgaezKFkWxYO4u0gVh ZFMtK1aFRDAmnUUWgSbWDGMkONpCR7rFPaAW/CsqtfRn5WIy71l3yccxJSNoGSrAXytx uzdw== X-Barracuda-BBL-IP: nil X-Received: by 10.68.133.229 with SMTP id pf5mr6195016pbb.115.1397625228315; Tue, 15 Apr 2014 22:13:48 -0700 (PDT) Received: from [172.19.251.9] ([172.19.251.9]) by mx.google.com with ESMTPSA id eb5sm105339015pad.22.2014.04.15.22.13.47 for (version=SSLv3 cipher=RC4-SHA bits=128/128); Tue, 15 Apr 2014 22:13:47 -0700 (PDT) Message-ID: <1397625226.4222.113.camel@edumazet-glaptop2.roam.corp.google.com> Subject: Re: [PATCH 10/19] NET: set PF_FSTRANS while holding sk_lock From: Eric Dumazet X-ASG-Orig-Subj: Re: [PATCH 10/19] NET: set PF_FSTRANS while holding sk_lock To: NeilBrown Cc: linux-mm@kvack.org, linux-nfs@vger.kernel.org, linux-kernel@vger.kernel.org, xfs@oss.sgi.com, netdev@vger.kernel.org Date: Tue, 15 Apr 2014 22:13:46 -0700 In-Reply-To: <20140416040336.10604.96000.stgit@notabene.brown> References: <20140416033623.10604.69237.stgit@notabene.brown> <20140416040336.10604.96000.stgit@notabene.brown> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.2.3-0ubuntu6 Content-Transfer-Encoding: 7bit Mime-Version: 1.0 X-Barracuda-Connect: mail-pd0-f181.google.com[209.85.192.181] X-Barracuda-Start-Time: 1397625228 X-Barracuda-Encrypted: RC4-SHA X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=DKIM_SIGNED, DKIM_VERIFIED X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4959 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- -0.00 DKIM_VERIFIED Domain Keys Identified Mail: signature passes verification 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature On Wed, 2014-04-16 at 14:03 +1000, NeilBrown wrote: > sk_lock can be taken while reclaiming memory (in nfsd for loop-back > NFS mounts, and presumably in nfs), and memory can be allocated while > holding sk_lock, at least via: > > inet_listen -> inet_csk_listen_start ->reqsk_queue_alloc > > So to avoid deadlocks, always set PF_FSTRANS while holding sk_lock. > > This deadlock was found by lockdep. Wow, this is adding expensive stuff in fast path, only for nfsd :( BTW, why should the current->flags should be saved on a socket field, and not a current->save_flags. This really looks a thread property, not a socket one. Why nfsd could not have PF_FSTRANS in its current->flags ? For applications handling millions of sockets, this makes a difference. From david@fromorbit.com Wed Apr 16 00:38:37 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id AF13F7F3F for ; Wed, 16 Apr 2014 00:38:37 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 981068F8049 for ; Tue, 15 Apr 2014 22:38:37 -0700 (PDT) X-ASG-Debug-ID: 1397626711-04cbb06e9a759a0001-NocioJ Received: from ipmail06.adl6.internode.on.net (ipmail06.adl6.internode.on.net [150.101.137.145]) by cuda.sgi.com with ESMTP id kMo8en3WUDSz1V8Y for ; Tue, 15 Apr 2014 22:38:32 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.145 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: As9SAAkXTlN5LEcvPGdsb2JhbABODIMGg1OFCrYLhV6BJBcDAQEBATg1giUBAQEDAR0KExwjBQsIAxgJJQ8FJQMHGhOHdAfGQhcWjWZmB4MkgRQEmGKKZ4sjKw Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail06.adl6.internode.on.net with ESMTP; 16 Apr 2014 15:07:59 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WaIXk-0006s0-VT; Wed, 16 Apr 2014 15:37:56 +1000 Date: Wed, 16 Apr 2014 15:37:56 +1000 From: Dave Chinner To: NeilBrown Cc: linux-mm@kvack.org, linux-nfs@vger.kernel.org, linux-kernel@vger.kernel.org, Ming Lei , xfs@oss.sgi.com Subject: Re: [PATCH 04/19] Make effect of PF_FSTRANS to disable __GFP_FS universal. Message-ID: <20140416053756.GC15995@dastard> X-ASG-Orig-Subj: Re: [PATCH 04/19] Make effect of PF_FSTRANS to disable __GFP_FS universal. References: <20140416033623.10604.69237.stgit@notabene.brown> <20140416040336.10604.58240.stgit@notabene.brown> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140416040336.10604.58240.stgit@notabene.brown> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail06.adl6.internode.on.net[150.101.137.145] X-Barracuda-Start-Time: 1397626711 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4960 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Wed, Apr 16, 2014 at 02:03:36PM +1000, NeilBrown wrote: > Currently both xfs and nfs will handle PF_FSTRANS by disabling > __GFP_FS. > > Make this effect global by repurposing memalloc_noio_flags (which > does the same thing for PF_MEMALLOC_NOIO and __GFP_IO) to generally > impost the task flags on a gfp_t. > Due to this repurposing we change the name of memalloc_noio_flags > to gfp_from_current(). > > As PF_FSTRANS now uniformly removes __GFP_FS we can remove special > code for this from xfs and nfs. > > As we can now expect other code to set PF_FSTRANS, its meaning is more > general, so the WARN_ON in xfs_vm_writepage() which checks PF_FSTRANS > is not set is no longer appropriate. PF_FSTRANS may be set for other > reasons than an XFS transaction. So PF_FSTRANS no longer means "filesystem in transaction context". Are you going to rename to match whatever it's meaning is now? I'm not exactly clear on what it means now... > As lockdep cares about __GFP_FS, we need to translate PF_FSTRANS to > __GFP_FS before calling lockdep_alloc_trace() in various places. > > Signed-off-by: NeilBrown .... > diff --git a/fs/xfs/kmem.h b/fs/xfs/kmem.h > index 64db0e53edea..882b86270ebe 100644 > --- a/fs/xfs/kmem.h > +++ b/fs/xfs/kmem.h > @@ -50,8 +50,6 @@ kmem_flags_convert(xfs_km_flags_t flags) > lflags = GFP_ATOMIC | __GFP_NOWARN; > } else { > lflags = GFP_KERNEL | __GFP_NOWARN; > - if ((current->flags & PF_FSTRANS) || (flags & KM_NOFS)) > - lflags &= ~__GFP_FS; > } I think KM_NOFS needs to remain here, as it has use outside of transaction contexts that set PF_FSTRANS.... > if (flags & KM_ZERO) > diff --git a/fs/xfs/xfs_aops.c b/fs/xfs/xfs_aops.c > index db2cfb067d0b..207a7f86d5d7 100644 > --- a/fs/xfs/xfs_aops.c > +++ b/fs/xfs/xfs_aops.c > @@ -952,13 +952,6 @@ xfs_vm_writepage( > PF_MEMALLOC)) > goto redirty; > > - /* > - * Given that we do not allow direct reclaim to call us, we should > - * never be called while in a filesystem transaction. > - */ > - if (WARN_ON(current->flags & PF_FSTRANS)) > - goto redirty; We still need to ensure this rule isn't broken. If it is, the filesystem will silently deadlock in delayed allocation rather than gracefully handle the problem with a warning.... Cheers, Dave. -- Dave Chinner david@fromorbit.com From tytso@thunk.org Wed Apr 16 00:47:52 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id D52FE7F4E for ; Wed, 16 Apr 2014 00:47:52 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id B594E30406A for ; Tue, 15 Apr 2014 22:47:52 -0700 (PDT) X-ASG-Debug-ID: 1397627270-04cbb06e9d75e50001-NocioJ Received: from imap.thunk.org (imap.thunk.org [74.207.234.97]) by cuda.sgi.com with ESMTP id JETZwWhQ8ifOHGrj (version=TLSv1 cipher=AES128-SHA bits=128 verify=NO) for ; Tue, 15 Apr 2014 22:47:51 -0700 (PDT) X-Barracuda-Envelope-From: tytso@thunk.org X-Barracuda-Apparent-Source-IP: 74.207.234.97 Received: from root (helo=closure.thunk.org) by imap.thunk.org with local-esmtp (Exim 4.80) (envelope-from ) id 1WaIhI-0005B8-JX; Wed, 16 Apr 2014 05:47:48 +0000 Received: by closure.thunk.org (Postfix, from userid 15806) id C4225580893; Wed, 16 Apr 2014 01:47:47 -0400 (EDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=thunk.org; s=ef5046eb; t=1397627267; bh=Oubi9wejipf876hMbA0ubb9iejMwABJCc5PO1cvdw3g=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=wBKMmMg1I3b3rWzZ+/r0R2Z71gWyIKa9uZu7iZSz2tQfEa1PFWMxhkduzJ08Avft+ 1/zDatDVsAP0kViiiwaFtkl838jDZoMJL4R3L2n9w9ELQCe7Oby64XwbI46DnhyUBs wgtHRR10AqlfNZ8EUSEw5s2g0zxijlrB/vSC2Gdo= Date: Wed, 16 Apr 2014 01:47:47 -0400 From: Theodore Ts'o To: Dave Chinner Cc: Eric Sandeen , =?utf-8?B?THVrw6HFoQ==?= Czerner , Ext4 Developers List , Namjae Jeon , xfs@oss.sgi.com Subject: Re: [PATCH] ext4: add fallocate mode blocking for debugging purposes Message-ID: <20140416054747.GE21807@thunk.org> X-ASG-Orig-Subj: Re: [PATCH] ext4: add fallocate mode blocking for debugging purposes References: <1397420518-29218-1-git-send-email-tytso@mit.edu> <20140413220016.GD8122@thunk.org> <534D5B2D.70408@redhat.com> <20140415184442.GC4456@thunk.org> <534DB38B.7030805@redhat.com> <20140415233039.GR4456@thunk.org> <20140416000634.GT15995@dastard> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140416000634.GT15995@dastard> User-Agent: Mutt/1.5.23 (2014-03-12) X-SA-Exim-Connect-IP: X-SA-Exim-Mail-From: tytso@thunk.org X-SA-Exim-Scanned: No (on imap.thunk.org); SAEximRunCond expanded to false X-Barracuda-Connect: imap.thunk.org[74.207.234.97] X-Barracuda-Start-Time: 1397627271 X-Barracuda-Encrypted: AES128-SHA X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=DKIM_SIGNED, DKIM_VERIFIED X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4960 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- -0.00 DKIM_VERIFIED Domain Keys Identified Mail: signature passes verification 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature On Wed, Apr 16, 2014 at 10:06:35AM +1000, Dave Chinner wrote: > > Some of the work that I've > > been doing with kvm-xfstests and why I created a github tytso/xfstests > > git tree is specifically to make sure things go much more smoothly > > this time around. > > Ted, this looks and sounds like you're preparing to fork xfstests. > Why? What's the problem with working upstream on test development > and refinement like everyone else does? I'd prefer not to fork xfstests. However, I do want to get more ext4 developers using automated xfstests testing, so I can scale better. In order to do that, I need to be able to make it really easy for people to who aren't hard-core xfstests people to be able to use it. One of the nice things about kvm-xfstests is that a *lot* easier for people to figure out how to use it. If I can lower the activation energy required to get people to use xfstests, it saves me time in the end. The reason why I created the github repository is because if I'm going to be shipping a KVM test appliance image that people can use in a turn-key environment, I'd prefer that all of the sources, including any local changes that I might need to make the tests run as smoothly as possible, are available in a public repository. (And at one point, I did have up to 12 local changes, which is why I wanted it tracked in a repo.) Every single local change I made was either a test or commit that hadn't been accepted into the upstream xfstests repository yet, or a fix I wrote that I sent upstream. And as soon as the fixes made it into the upstream xfstests repository, I rebased them away. At the moment, there's only once commit in my xfstests github repository which isn't upstream and it's the: check: add support for an external file containing tests to exclude commit for which I've sent the V2 version to you. So for the most part, I want to keep the repo as close to upstream as possible, and ideally identical to upstream, and I've been working towards that end. > This thread is a demonstration of how avoiding upstream interaction > results in nasty hacks being proposed. If you asked the question on > the xfs mailing list of how to avoid various fsstress/fsx > operations, we woul dhave told you that using FSSTRESS_AVOID and > adding an equivalent FSX_AVOID to xfstests is all that is needed. > i.e. we already have partial infrastructure support for what you > need in xfstests and it would be about 30 minutes work to add > FSX_AVOID.... > > Is that fast enough for you? > > Indeed, we could also use similar env vars to ensure various > _requires_* checks fail and to populate FSSTRESS_AVOID/FSX_AVOID > automatically and so tests that require this functionality are not > run. Well, it took me about 1 minute to write the dozen line kernel patch. I really didn't want to ask you to make changes to xfstests for me, but if you're willing to make those changes, that would be great. I really didn't want to presume, though. And if the answer is that I need to spend the time making all of these changes --- I'll try, but if I don't have time, I may end up taking the more expedient path. > IOWs, it's in your best interests to work with upstream to add the > functionality you require to xfstests. History tells us that forking > development into private repositories has never worked out well for > anyone, so I'd really, really like you to *at least try* to work > with upstream as your primary test development environment.... As I said, every single patch which I put in my local xfstests tree I also sent upstream. That being said, I wasn't sure whether you were going to accept that last change, since there was similar, but for me, not usable functionality in the form of the -X option. So if you weren't going to accept a change to allow the excluded list of tests to be kept in a single file outside of the tests/* subdirectory, I probably would have carried it as a separate patch --- because it's something I need, and the current -X functionality really isn't easy to maintain (you need to have many more files, and they have to be dropped into the xfstests tests/* subdirectory). I know that you and I haven't seen eye to eye in the past. For example, the NO_HIDE_STALE out of tree patch which is running on thousands and thousands numbers of machines inside Google, but which the XFS folks have considered evil incarnate. I will freely admit that I'm much more of a pragmatist and much less of a purist on certain matters. So sure, I'm certainly going to _try_ to work with upstream xfstests. I've done that to date. But I'm certainly not going to presume that you're going to like or accept all of the changes I might want to propose. Regards, - Ted From neilb@suse.de Wed Apr 16 00:48:01 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id CEC3B7F55 for ; Wed, 16 Apr 2014 00:48:00 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id 66D0AAC006 for ; Tue, 15 Apr 2014 22:47:57 -0700 (PDT) X-ASG-Debug-ID: 1397627274-04bdf0455477a50001-NocioJ Received: from mx2.suse.de (cantor2.suse.de [195.135.220.15]) by cuda.sgi.com with ESMTP id WenAnI8J81PV2sLr (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Tue, 15 Apr 2014 22:47:55 -0700 (PDT) X-Barracuda-Envelope-From: neilb@suse.de X-Barracuda-Apparent-Source-IP: 195.135.220.15 Received: from relay2.suse.de (charybdis-ext.suse.de [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id 5F5E3AC2B; Wed, 16 Apr 2014 05:47:54 +0000 (UTC) Date: Wed, 16 Apr 2014 15:47:46 +1000 From: NeilBrown To: Eric Dumazet Cc: linux-mm@kvack.org, linux-nfs@vger.kernel.org, linux-kernel@vger.kernel.org, xfs@oss.sgi.com, netdev@vger.kernel.org Subject: Re: [PATCH 10/19] NET: set PF_FSTRANS while holding sk_lock Message-ID: <20140416154746.7dbb4485@notabene.brown> X-ASG-Orig-Subj: Re: [PATCH 10/19] NET: set PF_FSTRANS while holding sk_lock In-Reply-To: <1397625226.4222.113.camel@edumazet-glaptop2.roam.corp.google.com> References: <20140416033623.10604.69237.stgit@notabene.brown> <20140416040336.10604.96000.stgit@notabene.brown> <1397625226.4222.113.camel@edumazet-glaptop2.roam.corp.google.com> X-Mailer: Claws Mail 3.9.2 (GTK+ 2.24.22; x86_64-suse-linux-gnu) Mime-Version: 1.0 Content-Type: multipart/signed; micalg=PGP-SHA1; boundary="Sig_/YX/W05=F6X9qrxW7nKLwnOj"; protocol="application/pgp-signature" X-Barracuda-Connect: cantor2.suse.de[195.135.220.15] X-Barracuda-Start-Time: 1397627275 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4960 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- --Sig_/YX/W05=F6X9qrxW7nKLwnOj Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable On Tue, 15 Apr 2014 22:13:46 -0700 Eric Dumazet wrote: > On Wed, 2014-04-16 at 14:03 +1000, NeilBrown wrote: > > sk_lock can be taken while reclaiming memory (in nfsd for loop-back > > NFS mounts, and presumably in nfs), and memory can be allocated while > > holding sk_lock, at least via: > >=20 > > inet_listen -> inet_csk_listen_start ->reqsk_queue_alloc > >=20 > > So to avoid deadlocks, always set PF_FSTRANS while holding sk_lock. > >=20 > > This deadlock was found by lockdep. >=20 > Wow, this is adding expensive stuff in fast path, only for nfsd :( Yes, this was probably one part that I was least comfortable about. >=20 > BTW, why should the current->flags should be saved on a socket field, > and not a current->save_flags. This really looks a thread property, not > a socket one. >=20 > Why nfsd could not have PF_FSTRANS in its current->flags ? nfsd does have PF_FSTRANS set in current->flags. But some other processes might not. If any process takes sk_lock, allocates memory, and then blocks in reclaim = it could be waiting for nfsd. If nfsd waits for that sk_lock, it would cause a deadlock. Thinking a bit more carefully .... I suspect that any socket that nfsd created would only ever be locked by nfsd. If that is the case then the problem can be resolved entirely within nfsd. We would need to tell lockdep that there are two sorts of sk_locks, those which nfsd uses and all the rest. That might get a little messy, but wouldn't impact performance. Is it justified to assume that sockets created by nfsd threads would only ever be locked by nfsd threads (and interrupts, which won't be allocating memory so don't matter), or might there be locked by other threads - e.g for 'netstat -a' etc?? >=20 > For applications handling millions of sockets, this makes a difference. >=20 Thanks, NeilBrown --Sig_/YX/W05=F6X9qrxW7nKLwnOj Content-Type: application/pgp-signature; name=signature.asc Content-Disposition: attachment; filename=signature.asc -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.22 (GNU/Linux) iQIVAwUBU04Zgjnsnt1WYoG5AQKvxBAAv9gDOMnc/LfCUMBQxzIaIokErrHkCKxM 8u1W93ux2PFls2k6qTlSCVSBpO6chk1Avr9SWPyJZvTFYUnh98PiDV1tKVxJCek8 42kflXGTxHUFXkSBV1ue21mOdn7gw0R3myuMZ8zXD/JFl9sDylwuUbg28hexfWky sPEu3OCd9DiKm+2uWSe+wlFDWDHkzknRw6g0Ym5/PfuiOl6SgNcHT4w97+Jp1hkd Xs/TQSIv3aRevVoBtFdtQ90vHE2lEakCOShqyH+oH2ryYmaCsAV2nJzOcpYxZTsL FTo3Xh+NqDIWUZEsulJtN1vrkOpAIEeJgRcGxwIEauYi/+mGEFF6O+Xo2QK8Dq0c /rJrDsNvzJ0EHkaIZACsYXQRHljRPzYGmRCoSnsSnnea/Uqda9sluxPzR7Gsxc0B DqyJd00t6fTQHwWGBG/XEvf1htts4s7rFwLysfBOnK5W5Rc3rih6/ue+i4Ebptmu tzekBzYicl83hb8KXhpUD4h+PkW1UtUJsbmP5qhMK8wRqzhnsyliil8yxJDY2YTo Z+qCD7lsacI2NtAvB0hwNQmXG1rq7oYn0rF7s/1vwl+AQSEaYHELWUm6cb9cE+42 OhlnV7nle5yy/mPF93G54m+qwRDlFM8xM7PH7t9JoGdFRXDW/QMh7ma9k2HjVBH/ jxxIu5TYBIw= =PGsl -----END PGP SIGNATURE----- --Sig_/YX/W05=F6X9qrxW7nKLwnOj-- From david@fromorbit.com Wed Apr 16 00:49:50 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 13D3C7F4E for ; Wed, 16 Apr 2014 00:49:50 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id DF85F8F8049 for ; Tue, 15 Apr 2014 22:49:49 -0700 (PDT) X-ASG-Debug-ID: 1397627387-04bdf0455577b30001-NocioJ Received: from ipmail06.adl6.internode.on.net (ipmail06.adl6.internode.on.net [150.101.137.145]) by cuda.sgi.com with ESMTP id oortFk9al9iZPpM2 for ; Tue, 15 Apr 2014 22:49:48 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.145 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AstSAGMZTlN5LEcvPGdsb2JhbABZgwaDU4UKtguFXoEkFwMBAQEBODWCJQEBAQQnExwjEAgDGAklDwUlAwcaExuHYMYuFxaOTAeDJIEUAQOYYopniVKBUSs Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail06.adl6.internode.on.net with ESMTP; 16 Apr 2014 15:19:47 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WaIj8-0006tt-D2; Wed, 16 Apr 2014 15:49:42 +1000 Date: Wed, 16 Apr 2014 15:49:42 +1000 From: Dave Chinner To: NeilBrown Cc: linux-mm@kvack.org, linux-nfs@vger.kernel.org, linux-kernel@vger.kernel.org, xfs@oss.sgi.com Subject: Re: [PATCH 13/19] MM: set PF_FSTRANS while allocating per-cpu memory to avoid deadlock. Message-ID: <20140416054942.GD15995@dastard> X-ASG-Orig-Subj: Re: [PATCH 13/19] MM: set PF_FSTRANS while allocating per-cpu memory to avoid deadlock. References: <20140416033623.10604.69237.stgit@notabene.brown> <20140416040336.10604.67456.stgit@notabene.brown> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140416040336.10604.67456.stgit@notabene.brown> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail06.adl6.internode.on.net[150.101.137.145] X-Barracuda-Start-Time: 1397627387 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4960 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Wed, Apr 16, 2014 at 02:03:36PM +1000, NeilBrown wrote: > lockdep reports a locking chain > > sk_lock-AF_INET --> rtnl_mutex --> pcpu_alloc_mutex > > As sk_lock may be needed to reclaim memory, allowing that > reclaim while pcu_alloc_mutex is held can lead to deadlock. > So set PF_FSTRANS while it is help to avoid the FS reclaim. > > pcpu_alloc_mutex can be taken when rtnl_mutex is held: > > [] pcpu_alloc+0x49/0x960 > [] __alloc_percpu+0xb/0x10 > [] loopback_dev_init+0x17/0x60 > [] register_netdevice+0xec/0x550 > [] register_netdev+0x15/0x30 > > Signed-off-by: NeilBrown This looks like a workaround to avoid passing a gfp mask around to describe the context in which the allocation is taking place. Whether or not that's the right solution, I can't say, but spreading this "we can turn off all reclaim of filesystem objects" mechanism all around the kernel doesn't sit well with me... And, again, PF_FSTRANS looks plainly wrong in this code - it sure isn't a fs transaction context we are worried about here... -- Dave Chinner david@fromorbit.com From neilb@suse.de Wed Apr 16 00:52:40 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id D214B7F58 for ; Wed, 16 Apr 2014 00:52:40 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id A5CF2304077 for ; Tue, 15 Apr 2014 22:52:40 -0700 (PDT) X-ASG-Debug-ID: 1397627557-04cb6c2436754a0001-NocioJ Received: from mx2.suse.de (cantor2.suse.de [195.135.220.15]) by cuda.sgi.com with ESMTP id XtplvLST19mHBqDI (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Tue, 15 Apr 2014 22:52:38 -0700 (PDT) X-Barracuda-Envelope-From: neilb@suse.de X-Barracuda-Apparent-Source-IP: 195.135.220.15 Received: from relay2.suse.de (charybdis-ext.suse.de [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id 9CB26AC2B; Wed, 16 Apr 2014 05:52:37 +0000 (UTC) Date: Wed, 16 Apr 2014 15:52:30 +1000 From: NeilBrown To: Al Viro Cc: linux-mm@kvack.org, linux-nfs@vger.kernel.org, linux-kernel@vger.kernel.org, xfs@oss.sgi.com Subject: Re: [PATCH 17/19] VFS: set PF_FSTRANS while namespace_sem is held. Message-ID: <20140416155230.4d02e4b9@notabene.brown> X-ASG-Orig-Subj: Re: [PATCH 17/19] VFS: set PF_FSTRANS while namespace_sem is held. In-Reply-To: <20140416044618.GX18016@ZenIV.linux.org.uk> References: <20140416033623.10604.69237.stgit@notabene.brown> <20140416040337.10604.86740.stgit@notabene.brown> <20140416044618.GX18016@ZenIV.linux.org.uk> X-Mailer: Claws Mail 3.9.2 (GTK+ 2.24.22; x86_64-suse-linux-gnu) Mime-Version: 1.0 Content-Type: multipart/signed; micalg=PGP-SHA1; boundary="Sig_/AHIx/=TRorm595oyDqzGVg8"; protocol="application/pgp-signature" X-Barracuda-Connect: cantor2.suse.de[195.135.220.15] X-Barracuda-Start-Time: 1397627558 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4960 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- --Sig_/AHIx/=TRorm595oyDqzGVg8 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable On Wed, 16 Apr 2014 05:46:18 +0100 Al Viro wrote: > On Wed, Apr 16, 2014 at 02:03:37PM +1000, NeilBrown wrote: > > namespace_sem can be taken while various i_mutex locks are held, so we > > need to avoid reclaim from blocking on an FS (particularly loop-back > > NFS). >=20 > I would really prefer to deal with that differently - by explicit change = of > gfp_t arguments of allocators. >=20 > The thing is, namespace_sem is held *only* over allocations, and not a lot > of them, at that - only mnt_alloc_id(), mnt_alloc_group_id(), alloc_vfsmn= t() > and new_mountpoint(). That is all that is allowed. >=20 > Again, actual work with filesystems (setup, shutdown, remount, pathname > resolution, etc.) is all done outside of namespace_sem; it's held only > for manipulations of fs/{namespace,pnode}.c data structures and the only > reason it isn't a spinlock is that we need to do some allocations. >=20 > So I'd rather slap GFP_NOFS on those few allocations... So something like this? I put that in to my testing instead. Thanks, NeilBrown diff --git a/fs/namespace.c b/fs/namespace.c index 83dcd5083dbb..8e103b8c8323 100644 --- a/fs/namespace.c +++ b/fs/namespace.c @@ -103,7 +103,7 @@ static int mnt_alloc_id(struct mount *mnt) int res; =20 retry: - ida_pre_get(&mnt_id_ida, GFP_KERNEL); + ida_pre_get(&mnt_id_ida, GFP_NOFS); spin_lock(&mnt_id_lock); res =3D ida_get_new_above(&mnt_id_ida, mnt_id_start, &mnt->mnt_id); if (!res) @@ -134,7 +134,7 @@ static int mnt_alloc_group_id(struct mount *mnt) { int res; =20 - if (!ida_pre_get(&mnt_group_ida, GFP_KERNEL)) + if (!ida_pre_get(&mnt_group_ida, GFP_NOFS)) return -ENOMEM; =20 res =3D ida_get_new_above(&mnt_group_ida, @@ -193,7 +193,7 @@ unsigned int mnt_get_count(struct mount *mnt) =20 static struct mount *alloc_vfsmnt(const char *name) { - struct mount *mnt =3D kmem_cache_zalloc(mnt_cache, GFP_KERNEL); + struct mount *mnt =3D kmem_cache_zalloc(mnt_cache, GFP_NOFS); if (mnt) { int err; =20 @@ -202,7 +202,7 @@ static struct mount *alloc_vfsmnt(const char *name) goto out_free_cache; =20 if (name) { - mnt->mnt_devname =3D kstrdup(name, GFP_KERNEL); + mnt->mnt_devname =3D kstrdup(name, GFP_NOFS); if (!mnt->mnt_devname) goto out_free_id; } @@ -682,7 +682,7 @@ static struct mountpoint *new_mountpoint(struct dentry = *dentry) } } =20 - mp =3D kmalloc(sizeof(struct mountpoint), GFP_KERNEL); + mp =3D kmalloc(sizeof(struct mountpoint), GFP_NOFS); if (!mp) return ERR_PTR(-ENOMEM); =20 --Sig_/AHIx/=TRorm595oyDqzGVg8 Content-Type: application/pgp-signature; name=signature.asc Content-Disposition: attachment; filename=signature.asc -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.22 (GNU/Linux) iQIVAwUBU04anjnsnt1WYoG5AQIhrg/8CkSLV3X4c4pMegKcWjixLvjggV9C0nmD Ki7J2WYAcQLErKW3y+NMuIGWo5ZHNizwEeaSIFbqdzSiMzebtGI5lreK3Vgm6Kom yxHsQgu528mbaZj1W29ifjwd6qyaDjmx8hgIEkBZOz1/SrRJ0QiphaQS5/VaZF4j 25qwbmPyTA92q75q7eOdy+n4y/hpZj6gPAAwjKOmLPFw7YnG1hajhUKReU7z86X1 cLCX/9ppr+KM8sHpBQfNkzIdC7+PXsHSy38R+ZRLlsdNYuIIxKHJBu1M5EsZejI4 uPAhNgws4bQohRmPQ0wDzjoiYPeYvPOM1lgln3w3JQuQ9H5/4Nr0EMRBx+BZuIAs iUNjLNSxh7I+5Xb+kTH5ea7O75mhmDg6h0KnsFIyL7585/ve872HwTeWnjqhkaRk B/gSXw7j6a6CUjGhk8Vpl6aKEgdyieoG0oxIU6xgkUzIjh7V54N+qRNbijGEIrXX XwExDi31ptdiBoX8OYTpL5dtKIpJFI3+M9brUs/OHEiMTGxP+gBBoZjygvqQnooD /UBY2sdOBQaDS843VQnYUlIhv4XpmwNGZrp7P+lgsTZmgnL39Mt2hfTC3iGvvw4o /9lAjXcUCg19a0llfGfqMWXNWEHH8Bjo5OovO4DpN7wWccy6GhXI6U+yd0WNI4k5 Rte0ii4ppow= =vIwc -----END PGP SIGNATURE----- --Sig_/AHIx/=TRorm595oyDqzGVg8-- From david@fromorbit.com Wed Apr 16 01:05:11 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id E397E7F54 for ; Wed, 16 Apr 2014 01:05:10 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 5F1E4AC003 for ; Tue, 15 Apr 2014 23:05:07 -0700 (PDT) X-ASG-Debug-ID: 1397628301-04cb6c243675af0001-NocioJ Received: from ipmail06.adl6.internode.on.net (ipmail06.adl6.internode.on.net [150.101.137.145]) by cuda.sgi.com with ESMTP id tKAaJeQ8STYRANox for ; Tue, 15 Apr 2014 23:05:02 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.145 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AsxSAKscTlN5LEcvPGdsb2JhbABagwaDU4UKtgyFXoEkFwMBAQEBODWCJQEBAQMBJxMcIwULCAMYCSUPBSUDBxoTh3QHxj0XFo5MB4MkgRQEmGKKZ4lSgVEr Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail06.adl6.internode.on.net with ESMTP; 16 Apr 2014 15:35:01 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WaIxv-0006wR-Nw; Wed, 16 Apr 2014 16:04:59 +1000 Date: Wed, 16 Apr 2014 16:04:59 +1000 From: Dave Chinner To: NeilBrown Cc: linux-mm@kvack.org, linux-nfs@vger.kernel.org, linux-kernel@vger.kernel.org, xfs@oss.sgi.com Subject: Re: [PATCH 09/19] XFS: ensure xfs_file_*_read cannot deadlock in memory allocation. Message-ID: <20140416060459.GE15995@dastard> X-ASG-Orig-Subj: Re: [PATCH 09/19] XFS: ensure xfs_file_*_read cannot deadlock in memory allocation. References: <20140416033623.10604.69237.stgit@notabene.brown> <20140416040336.10604.90380.stgit@notabene.brown> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140416040336.10604.90380.stgit@notabene.brown> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail06.adl6.internode.on.net[150.101.137.145] X-Barracuda-Start-Time: 1397628301 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4960 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Wed, Apr 16, 2014 at 02:03:36PM +1000, NeilBrown wrote: > xfs_file_*_read holds an inode lock while calling a generic 'read' > function. These functions perform read-ahead and are quite likely to > allocate memory. Yes, that's what reading data from disk requires. > So set PF_FSTRANS to ensure they avoid __GFP_FS and so don't recurse > into a filesystem to free memory. We already have that protection via the > > This can be a problem with loop-back NFS mounts, if free_pages ends up > wating in nfs_release_page(), and nfsd is blocked waiting for the lock > that this code holds. > > This was found both by lockdep and as a real deadlock during testing. > > Signed-off-by: NeilBrown > --- > fs/xfs/xfs_file.c | 12 ++++++++++++ > 1 file changed, 12 insertions(+) > > diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c > index 64b48eade91d..88b33ef64668 100644 > --- a/fs/xfs/xfs_file.c > +++ b/fs/xfs/xfs_file.c > @@ -243,6 +243,7 @@ xfs_file_aio_read( > ssize_t ret = 0; > int ioflags = 0; > xfs_fsize_t n; > + unsigned int pflags; > > XFS_STATS_INC(xs_read_calls); > > @@ -290,6 +291,10 @@ xfs_file_aio_read( > * proceeed concurrently without serialisation. > */ > xfs_rw_ilock(ip, XFS_IOLOCK_SHARED); > + /* As we hold a lock, we must ensure that any allocation > + * in generic_file_aio_read avoid __GFP_FS > + */ > + current_set_flags_nested(&pflags, PF_FSTRANS); Ugh. No. This is Simply Wrong. We handle the memory allocations in the IO path with GFP_NOFS/KM_NOFS where necessary. We also do this when setting up regular file inodes in xfs_setup_inode(): /* * Ensure all page cache allocations are done from GFP_NOFS context to * prevent direct reclaim recursion back into the filesystem and blowing * stacks or deadlocking. */ gfp_mask = mapping_gfp_mask(inode->i_mapping); mapping_set_gfp_mask(inode->i_mapping, (gfp_mask & ~(__GFP_FS))); Which handles all of the mapping allocations that occur within the page cache read/write paths. Remember, you removed the KM_NOFS code from the XFS allocator that caused it to clear __GFP_FS in an earlier patch - the read Io path is one of the things you broke by doing that.... If there are places where we don't use GFP_NOFS context allocations that we should, then we need to fix them individually.... Cheers, Dave. -- Dave Chinner david@fromorbit.com From neilb@suse.de Wed Apr 16 01:17:40 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id D2A2B7F37 for ; Wed, 16 Apr 2014 01:17:40 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id 8D65E304071 for ; Tue, 15 Apr 2014 23:17:37 -0700 (PDT) X-ASG-Debug-ID: 1397629055-04bdf04554787a0001-NocioJ Received: from mx2.suse.de (cantor2.suse.de [195.135.220.15]) by cuda.sgi.com with ESMTP id blGgjLdvAvBJlWpV (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Tue, 15 Apr 2014 23:17:36 -0700 (PDT) X-Barracuda-Envelope-From: neilb@suse.de X-Barracuda-Apparent-Source-IP: 195.135.220.15 Received: from relay1.suse.de (charybdis-ext.suse.de [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id 8807AAC2B; Wed, 16 Apr 2014 06:17:34 +0000 (UTC) Date: Wed, 16 Apr 2014 16:17:26 +1000 From: NeilBrown To: Dave Chinner Cc: linux-mm@kvack.org, linux-nfs@vger.kernel.org, linux-kernel@vger.kernel.org, Ming Lei , xfs@oss.sgi.com Subject: Re: [PATCH 04/19] Make effect of PF_FSTRANS to disable __GFP_FS universal. Message-ID: <20140416161726.51b506e2@notabene.brown> X-ASG-Orig-Subj: Re: [PATCH 04/19] Make effect of PF_FSTRANS to disable __GFP_FS universal. In-Reply-To: <20140416053756.GC15995@dastard> References: <20140416033623.10604.69237.stgit@notabene.brown> <20140416040336.10604.58240.stgit@notabene.brown> <20140416053756.GC15995@dastard> X-Mailer: Claws Mail 3.9.2 (GTK+ 2.24.22; x86_64-suse-linux-gnu) Mime-Version: 1.0 Content-Type: multipart/signed; micalg=PGP-SHA1; boundary="Sig_/Oo0=qxWoYRMUFxVoAOmvLbc"; protocol="application/pgp-signature" X-Barracuda-Connect: cantor2.suse.de[195.135.220.15] X-Barracuda-Start-Time: 1397629055 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4960 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- --Sig_/Oo0=qxWoYRMUFxVoAOmvLbc Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable On Wed, 16 Apr 2014 15:37:56 +1000 Dave Chinner wrote: > On Wed, Apr 16, 2014 at 02:03:36PM +1000, NeilBrown wrote: > > Currently both xfs and nfs will handle PF_FSTRANS by disabling > > __GFP_FS. > >=20 > > Make this effect global by repurposing memalloc_noio_flags (which > > does the same thing for PF_MEMALLOC_NOIO and __GFP_IO) to generally > > impost the task flags on a gfp_t. > > Due to this repurposing we change the name of memalloc_noio_flags > > to gfp_from_current(). > >=20 > > As PF_FSTRANS now uniformly removes __GFP_FS we can remove special > > code for this from xfs and nfs. > >=20 > > As we can now expect other code to set PF_FSTRANS, its meaning is more > > general, so the WARN_ON in xfs_vm_writepage() which checks PF_FSTRANS > > is not set is no longer appropriate. PF_FSTRANS may be set for other > > reasons than an XFS transaction. >=20 > So PF_FSTRANS no longer means "filesystem in transaction context". > Are you going to rename to match whatever it's meaning is now? > I'm not exactly clear on what it means now... I did consider renaming it to "PF_MEMALLOC_NOFS" as it is similar to "PF_MEMALLOC_NOIO", except that it disables __GFP_FS rather than __GFP_IO. Maybe I should go ahead with that. >=20 >=20 > > As lockdep cares about __GFP_FS, we need to translate PF_FSTRANS to > > __GFP_FS before calling lockdep_alloc_trace() in various places. > >=20 > > Signed-off-by: NeilBrown > .... > > diff --git a/fs/xfs/kmem.h b/fs/xfs/kmem.h > > index 64db0e53edea..882b86270ebe 100644 > > --- a/fs/xfs/kmem.h > > +++ b/fs/xfs/kmem.h > > @@ -50,8 +50,6 @@ kmem_flags_convert(xfs_km_flags_t flags) > > lflags =3D GFP_ATOMIC | __GFP_NOWARN; > > } else { > > lflags =3D GFP_KERNEL | __GFP_NOWARN; > > - if ((current->flags & PF_FSTRANS) || (flags & KM_NOFS)) > > - lflags &=3D ~__GFP_FS; > > } >=20 > I think KM_NOFS needs to remain here, as it has use outside of > transaction contexts that set PF_FSTRANS.... Argh, yes of course. I'll have to re-test the other xfs changes now to see if they are really needed. Thanks! >=20 > > if (flags & KM_ZERO) > > diff --git a/fs/xfs/xfs_aops.c b/fs/xfs/xfs_aops.c > > index db2cfb067d0b..207a7f86d5d7 100644 > > --- a/fs/xfs/xfs_aops.c > > +++ b/fs/xfs/xfs_aops.c > > @@ -952,13 +952,6 @@ xfs_vm_writepage( > > PF_MEMALLOC)) > > goto redirty; > > =20 > > - /* > > - * Given that we do not allow direct reclaim to call us, we should > > - * never be called while in a filesystem transaction. > > - */ > > - if (WARN_ON(current->flags & PF_FSTRANS)) > > - goto redirty; >=20 > We still need to ensure this rule isn't broken. If it is, the > filesystem will silently deadlock in delayed allocation rather than > gracefully handle the problem with a warning.... Hmm... that might be tricky. The 'new' PF_FSTRANS can definitely be set wh= en xfs_vm_writepage is called and we really want the write to happen. I don't suppose there is any other way to detect if a transaction is happening? Thanks, NeilBrown --Sig_/Oo0=qxWoYRMUFxVoAOmvLbc Content-Type: application/pgp-signature; name=signature.asc Content-Disposition: attachment; filename=signature.asc -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.22 (GNU/Linux) iQIVAwUBU04gdjnsnt1WYoG5AQJjow//evh86FCU/MZNvwJIfgaA7CJS8ZBO2vac JkRsYYSmmSyFY4gWC9gDQfRJD01TaQRR55toAqxbZg8L1HbbL5i4ZBEpJQVYel8Y pdI2N75oZ6GCufLuivZ0hw6TGotfcwtGQFXjewpcpBDrx2Dr0+yxhObkKAh8W1ae f5dvKrZ0sYAaEGYj+XHzPb6STEYspdmnflzOOzRXLsCWOeM/uKEt9Cv0l12TXvyr kBYoY3HBMnKCBsvJPakCGZB+eSyR9PKLL5t846/ZL0Pfwic8OdCU6nBTncGbf2w/ TCWWLxF2trF2f1aMx9TZef+IulH2KdZm5s1HALZ/edGnto8Wz2wgMGNpoj95rhT1 3n5Qn7+P+B491bBGNVbbw2ObPl+aB1k5FgDwy++M7wSBUVjqqGaGAjqEXcgQJ9RV zBM6mMZyICqnSqy/3h5ACDK9xmCcb/lVXscSMFuGlEIcqiz9ehnmZWWJrsWjvLa7 gOpO51fbFepKaA6MbhGlyOiOLH3XOpwuGQcsvpxCgT6vRs8C2yRutFbtbtVliaPQ I+g/hpkMJEqUvsRu/Dk44ndA3U64gnQuoFzgcYxZoFdCbzq/xP7w5LH7MbNeSSvH SvgiEpGCVhHsOfP8Z1pt01kCsnONRkMTQP8KxGDycDLnKAEC1YPvWCFB0Za5acJ6 YVnpDRofW5g= =0rPl -----END PGP SIGNATURE----- --Sig_/Oo0=qxWoYRMUFxVoAOmvLbc-- From david@fromorbit.com Wed Apr 16 01:18:42 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 056C67F37 for ; Wed, 16 Apr 2014 01:18:42 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id C5A718F8039 for ; Tue, 15 Apr 2014 23:18:38 -0700 (PDT) X-ASG-Debug-ID: 1397629115-04bdf0455278800001-NocioJ Received: from ipmail06.adl6.internode.on.net (ipmail06.adl6.internode.on.net [150.101.137.145]) by cuda.sgi.com with ESMTP id LE1ExLfccMlWi5LA for ; Tue, 15 Apr 2014 23:18:35 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.145 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AspSADAgTlN5LEcvPGdsb2JhbABagwaDU4UKtgyFXoEkFwMBAQEBODWCJQEBAQQ6HCMQCAMYCSUPBSUDBxoTHoddxkIXFo5MB4MkgRQBA5hiimeLIys Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail06.adl6.internode.on.net with ESMTP; 16 Apr 2014 15:48:21 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WaJAq-0006yY-34; Wed, 16 Apr 2014 16:18:20 +1000 Date: Wed, 16 Apr 2014 16:18:20 +1000 From: Dave Chinner To: NeilBrown Cc: linux-mm@kvack.org, linux-nfs@vger.kernel.org, linux-kernel@vger.kernel.org, xfs@oss.sgi.com Subject: Re: [PATCH 19/19] XFS: set PF_FSTRANS while ilock is held in xfs_free_eofblocks Message-ID: <20140416061819.GF15995@dastard> X-ASG-Orig-Subj: Re: [PATCH 19/19] XFS: set PF_FSTRANS while ilock is held in xfs_free_eofblocks References: <20140416033623.10604.69237.stgit@notabene.brown> <20140416040337.10604.7488.stgit@notabene.brown> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140416040337.10604.7488.stgit@notabene.brown> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail06.adl6.internode.on.net[150.101.137.145] X-Barracuda-Start-Time: 1397629115 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4960 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Wed, Apr 16, 2014 at 02:03:37PM +1000, NeilBrown wrote: > memory allocates can happen while the xfs ilock is held in > xfs_free_eofblocks, particularly > > [] kmem_zone_alloc+0x67/0xc0 > [] xfs_trans_add_item+0x25/0x50 > [] xfs_trans_ijoin+0x2c/0x60 > [] xfs_itruncate_extents+0xbe/0x400 > [] xfs_free_eofblocks+0x1c4/0x240 > > So set PF_FSTRANS to avoid this causing a deadlock. Another "You broke KM_NOFS" moment. You win a Kit Kat. ;) xfs_trans_add_item(): lidp = kmem_zone_zalloc(xfs_log_item_desc_zone, KM_SLEEP | KM_NOFS); KM_NOFS needs to work, otherwise XFS is just a huge steaming pile of memory reclaim deadlocks regardless of whether you are using loopback NFS or not. Cheers, Dave. -- Dave Chinner david@fromorbit.com From neilb@suse.de Wed Apr 16 01:22:12 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 5B88D7F63 for ; Wed, 16 Apr 2014 01:22:12 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 38DD78F8039 for ; Tue, 15 Apr 2014 23:22:12 -0700 (PDT) X-ASG-Debug-ID: 1397629330-04cbb06e9b76d80001-NocioJ Received: from mx2.suse.de (cantor2.suse.de [195.135.220.15]) by cuda.sgi.com with ESMTP id bYVsUrq0Txm95hsh (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Tue, 15 Apr 2014 23:22:11 -0700 (PDT) X-Barracuda-Envelope-From: neilb@suse.de X-Barracuda-Apparent-Source-IP: 195.135.220.15 Received: from relay2.suse.de (charybdis-ext.suse.de [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id 526D1AC2B; Wed, 16 Apr 2014 06:22:10 +0000 (UTC) Date: Wed, 16 Apr 2014 16:22:01 +1000 From: NeilBrown To: Dave Chinner Cc: linux-mm@kvack.org, linux-nfs@vger.kernel.org, linux-kernel@vger.kernel.org, xfs@oss.sgi.com Subject: Re: [PATCH 13/19] MM: set PF_FSTRANS while allocating per-cpu memory to avoid deadlock. Message-ID: <20140416162201.5dc9ff5c@notabene.brown> X-ASG-Orig-Subj: Re: [PATCH 13/19] MM: set PF_FSTRANS while allocating per-cpu memory to avoid deadlock. In-Reply-To: <20140416054942.GD15995@dastard> References: <20140416033623.10604.69237.stgit@notabene.brown> <20140416040336.10604.67456.stgit@notabene.brown> <20140416054942.GD15995@dastard> X-Mailer: Claws Mail 3.9.2 (GTK+ 2.24.22; x86_64-suse-linux-gnu) Mime-Version: 1.0 Content-Type: multipart/signed; micalg=PGP-SHA1; boundary="Sig_/TpJzKIhGobsDEwUger9I.iQ"; protocol="application/pgp-signature" X-Barracuda-Connect: cantor2.suse.de[195.135.220.15] X-Barracuda-Start-Time: 1397629331 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4961 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- --Sig_/TpJzKIhGobsDEwUger9I.iQ Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable On Wed, 16 Apr 2014 15:49:42 +1000 Dave Chinner wrote: > On Wed, Apr 16, 2014 at 02:03:36PM +1000, NeilBrown wrote: > > lockdep reports a locking chain > >=20 > > sk_lock-AF_INET --> rtnl_mutex --> pcpu_alloc_mutex > >=20 > > As sk_lock may be needed to reclaim memory, allowing that > > reclaim while pcu_alloc_mutex is held can lead to deadlock. > > So set PF_FSTRANS while it is help to avoid the FS reclaim. > >=20 > > pcpu_alloc_mutex can be taken when rtnl_mutex is held: > >=20 > > [] pcpu_alloc+0x49/0x960 > > [] __alloc_percpu+0xb/0x10 > > [] loopback_dev_init+0x17/0x60 > > [] register_netdevice+0xec/0x550 > > [] register_netdev+0x15/0x30 > >=20 > > Signed-off-by: NeilBrown >=20 > This looks like a workaround to avoid passing a gfp mask around to > describe the context in which the allocation is taking place. > Whether or not that's the right solution, I can't say, but spreading > this "we can turn off all reclaim of filesystem objects" mechanism > all around the kernel doesn't sit well with me... We are (effectively) passing a gfp mask around, except that it lives in 'current' rather than lots of other places. I actually like the idea of discarding PF_MEMALLOC, PF_FSTRANS and PF_MEMALLOC_NOIO, and just having current->gfp_allowed_mask (to match the global variable of the same name). >=20 > And, again, PF_FSTRANS looks plainly wrong in this code - it sure > isn't a fs transaction context we are worried about here... So would PF_MEMALLOC_NOFS work for you? NeilBrown --Sig_/TpJzKIhGobsDEwUger9I.iQ Content-Type: application/pgp-signature; name=signature.asc Content-Disposition: attachment; filename=signature.asc -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.22 (GNU/Linux) iQIVAwUBU04hijnsnt1WYoG5AQKhaw//Yc1D4fJSwJa8YNO+4NafUYk50u9cMoRi WQjcopF1cKZmSifPbH/r5M3SKqOKf4kQklPb1pccCc6Nw2oPCD98rrpu2dePn6NM 9FaxI6xOkkT0z7VpDjeP4VA1C7ekhxqqDGOLi1ezu0aWmqu4sBsHxGAojmA8y7IX A+VHECsFBgrz4sjLqfV0U/jml9sfGNoutZVzftRHpZJXCn1+vzMHKKp+6TdlriUZ anJHOj+URUenE6hv6/4JDkSAb0F0awvjyjXvblLMzvLWagF9KpGwMPP94fxOp+kI si2uP7CtQkhACfBPxhmuUXXB2k0Ueb20GIzguqGMp9Qj+mToGqcyBqmaBaP4NxKr x+jKgmq5l7OfJO2ERlBD+j/AnKKGZXeGyxh7ed2DhYR03nc2f6Lx6sMKzXlUrOc6 a5GzSslT1EA/fmEPJ/D1oyoVnSXuPYGGC91DuDzV4SP13w6xdQoqMsShs+RxIKUr dRsfkuuDw3Euef4VE6y0G7Ird/kmS1pvLN/A4ZqRVmpgKAHD8wPJiPKd6TqgAUfX tq4usUTitBM1NRqHxagj+/MksyqC1sNZv0F8xlsicqM0/ygslKSUq6vpJlVLjk68 43QZbKAAQIkXaZ/yxOvYKPrUOUejOQGUbrjIuISGcu8M78KKxaIXSxCnLlYwsomj YJ9hOBTRuiE= =Ofmb -----END PGP SIGNATURE----- --Sig_/TpJzKIhGobsDEwUger9I.iQ-- From david@fromorbit.com Wed Apr 16 01:25:24 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 56FC67F5E for ; Wed, 16 Apr 2014 01:25:24 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id DA077AC001 for ; Tue, 15 Apr 2014 23:25:23 -0700 (PDT) X-ASG-Debug-ID: 1397629521-04bdf0455478ac0001-NocioJ Received: from ipmail06.adl6.internode.on.net (ipmail06.adl6.internode.on.net [150.101.137.145]) by cuda.sgi.com with ESMTP id 3O29evQlmPHYApkf for ; Tue, 15 Apr 2014 23:25:22 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.145 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AslSAFkhTlN5LEcvPGdsb2JhbABZgwaDU4UKtgyFXoEdFwMBAQEBODWCJQEBAQQ6HCMQCAMYCSUPBSUDBxoTh3vGQxcWjkwHhDgBA5hiimeLIys Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail06.adl6.internode.on.net with ESMTP; 16 Apr 2014 15:55:21 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WaJHc-0006zf-LS; Wed, 16 Apr 2014 16:25:20 +1000 Date: Wed, 16 Apr 2014 16:25:20 +1000 From: Dave Chinner To: NeilBrown Cc: linux-mm@kvack.org, linux-nfs@vger.kernel.org, linux-kernel@vger.kernel.org, xfs@oss.sgi.com Subject: Re: [PATCH 16/19] VFS: use GFP_NOFS rather than GFP_KERNEL in __d_alloc. Message-ID: <20140416062520.GG15995@dastard> X-ASG-Orig-Subj: Re: [PATCH 16/19] VFS: use GFP_NOFS rather than GFP_KERNEL in __d_alloc. References: <20140416033623.10604.69237.stgit@notabene.brown> <20140416040337.10604.61837.stgit@notabene.brown> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140416040337.10604.61837.stgit@notabene.brown> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail06.adl6.internode.on.net[150.101.137.145] X-Barracuda-Start-Time: 1397629521 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4961 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Wed, Apr 16, 2014 at 02:03:37PM +1000, NeilBrown wrote: > __d_alloc can be called with i_mutex held, so it is safer to > use GFP_NOFS. > > lockdep reports this can deadlock when loop-back NFS is in use, > as nfsd may be required to write out for reclaim, and nfsd certainly > takes i_mutex. But not the same i_mutex as is currently held. To me, this seems like a false positive? If you are holding the i_mutex on an inode, then you have a reference to the inode and hence memory reclaim won't ever take the i_mutex on that inode. FWIW, this sort of false positive was a long stabding problem for XFS - we managed to get rid of most of the false positives like this by ensuring that only the ilock is taken within memory reclaim and memory reclaim can't be entered while we hold the ilock. You can't do that with the i_mutex, though.... Cheers, Dave. -- Dave Chinner david@fromorbit.com From neilb@suse.de Wed Apr 16 01:27:56 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 2DAA77F5E for ; Wed, 16 Apr 2014 01:27:56 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id EE07230407B for ; Tue, 15 Apr 2014 23:27:55 -0700 (PDT) X-ASG-Debug-ID: 1397629673-04bdf0455278c20001-NocioJ Received: from mx2.suse.de (cantor2.suse.de [195.135.220.15]) by cuda.sgi.com with ESMTP id FSzFSgHli71TeXT3 (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Tue, 15 Apr 2014 23:27:54 -0700 (PDT) X-Barracuda-Envelope-From: neilb@suse.de X-Barracuda-Apparent-Source-IP: 195.135.220.15 Received: from relay1.suse.de (charybdis-ext.suse.de [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id D7764AC2B; Wed, 16 Apr 2014 06:27:52 +0000 (UTC) Date: Wed, 16 Apr 2014 16:27:45 +1000 From: NeilBrown To: Dave Chinner Cc: linux-mm@kvack.org, linux-nfs@vger.kernel.org, linux-kernel@vger.kernel.org, xfs@oss.sgi.com Subject: Re: [PATCH 09/19] XFS: ensure xfs_file_*_read cannot deadlock in memory allocation. Message-ID: <20140416162745.67442b07@notabene.brown> X-ASG-Orig-Subj: Re: [PATCH 09/19] XFS: ensure xfs_file_*_read cannot deadlock in memory allocation. In-Reply-To: <20140416060459.GE15995@dastard> References: <20140416033623.10604.69237.stgit@notabene.brown> <20140416040336.10604.90380.stgit@notabene.brown> <20140416060459.GE15995@dastard> X-Mailer: Claws Mail 3.9.2 (GTK+ 2.24.22; x86_64-suse-linux-gnu) Mime-Version: 1.0 Content-Type: multipart/signed; micalg=PGP-SHA1; boundary="Sig_/MvhSwDVhkQM3eTbru=iHpwX"; protocol="application/pgp-signature" X-Barracuda-Connect: cantor2.suse.de[195.135.220.15] X-Barracuda-Start-Time: 1397629673 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4961 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- --Sig_/MvhSwDVhkQM3eTbru=iHpwX Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable On Wed, 16 Apr 2014 16:04:59 +1000 Dave Chinner wrote: > On Wed, Apr 16, 2014 at 02:03:36PM +1000, NeilBrown wrote: > > xfs_file_*_read holds an inode lock while calling a generic 'read' > > function. These functions perform read-ahead and are quite likely to > > allocate memory. >=20 > Yes, that's what reading data from disk requires. >=20 > > So set PF_FSTRANS to ensure they avoid __GFP_FS and so don't recurse > > into a filesystem to free memory. >=20 > We already have that protection via the > >=20 > > This can be a problem with loop-back NFS mounts, if free_pages ends up > > wating in nfs_release_page(), and nfsd is blocked waiting for the lock > > that this code holds. > >=20 > > This was found both by lockdep and as a real deadlock during testing. > >=20 > > Signed-off-by: NeilBrown > > --- > > fs/xfs/xfs_file.c | 12 ++++++++++++ > > 1 file changed, 12 insertions(+) > >=20 > > diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c > > index 64b48eade91d..88b33ef64668 100644 > > --- a/fs/xfs/xfs_file.c > > +++ b/fs/xfs/xfs_file.c > > @@ -243,6 +243,7 @@ xfs_file_aio_read( > > ssize_t ret =3D 0; > > int ioflags =3D 0; > > xfs_fsize_t n; > > + unsigned int pflags; > > =20 > > XFS_STATS_INC(xs_read_calls); > > =20 > > @@ -290,6 +291,10 @@ xfs_file_aio_read( > > * proceeed concurrently without serialisation. > > */ > > xfs_rw_ilock(ip, XFS_IOLOCK_SHARED); > > + /* As we hold a lock, we must ensure that any allocation > > + * in generic_file_aio_read avoid __GFP_FS > > + */ > > + current_set_flags_nested(&pflags, PF_FSTRANS); >=20 > Ugh. No. This is Simply Wrong. >=20 > We handle the memory allocations in the IO path with > GFP_NOFS/KM_NOFS where necessary. >=20 > We also do this when setting up regular file inodes in > xfs_setup_inode(): >=20 > /* > * Ensure all page cache allocations are done from GFP_NOFS conte= xt to > * prevent direct reclaim recursion back into the filesystem and = blowing > * stacks or deadlocking. > */ > gfp_mask =3D mapping_gfp_mask(inode->i_mapping); > mapping_set_gfp_mask(inode->i_mapping, (gfp_mask & ~(__GFP_FS))); >=20 > Which handles all of the mapping allocations that occur within the > page cache read/write paths. >=20 > Remember, you removed the KM_NOFS code from the XFS allocator that > caused it to clear __GFP_FS in an earlier patch - the read Io path > is one of the things you broke by doing that.... >=20 > If there are places where we don't use GFP_NOFS context allocations > that we should, then we need to fix them individually.... >=20 > Cheers, >=20 > Dave. Thanks Dave. Having fixed the KM_NOFS error I'll start retesting with all the other xfs patches removed. NeilBrown --Sig_/MvhSwDVhkQM3eTbru=iHpwX Content-Type: application/pgp-signature; name=signature.asc Content-Disposition: attachment; filename=signature.asc -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.22 (GNU/Linux) iQIVAwUBU04i4Tnsnt1WYoG5AQLIng//dBc4GkVWQndYfJfRIYKQW2/Qp2VQNTrH QwogU8BASNXT5qpc1XzaQYOxkK09+w+6QiWjUGdtmxeca4vNynxYEVsVosaUPzPY 0YgVm+0k4xBCGRhZZ8y5YWqizoYR2chAlE6gIIzFaNRCHajzP8Xet09XxNTR9tYi EcxV88isRZ8zKGmXnu5emZxq+XdZmf3yjD9YsRlidhny2AnIs5bcjhDad87njled knLHfb2oDGwZqvjE6giqHoCRwUodRXHzPQ3yKG9YMuzvp6/DKe5Zp4R4byUcwWNk mngvZ9K82T1D8o6Q7t6GsiwszXF0VIhl4eP2Og4hlhPWd777WR/fCFqumJqrFCEW UyrRvTUoY2zr8b9SRIEXKaK5BslTkoaQxTBodLmb2x/BtnpyTWXmF8ProhEEgTcl rbS42PSuxrrjCvoxcM/PTeUeErwb4m16laziroWfx4WblVrtcKB1Zjvnt03N/zRf 2sE9WOqxtP4nZmOiQaLyMeto7QOwUWTS1BcpzUQ1/bqh18u91odzQqFA5dozTg6a 5kX2sujAyBb++B0ixYhBkjAaSTE6KgShEsCit+VcefOEYm3nHvOM4a7A+dIrlaes PN6E0STK5yi+ZOgKIQpU0uh1JNLOR0Rmu2/6/Hrizpt6OUGpMrtKAfnxRgpPg2Ha l67YsKqaHVI= =Ny7o -----END PGP SIGNATURE----- --Sig_/MvhSwDVhkQM3eTbru=iHpwX-- From david@fromorbit.com Wed Apr 16 01:30:42 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id B0B3B7F5E for ; Wed, 16 Apr 2014 01:30:42 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 255BCAC001 for ; Tue, 15 Apr 2014 23:30:41 -0700 (PDT) X-ASG-Debug-ID: 1397629839-04cb6c2437767e0001-NocioJ Received: from ipmail06.adl6.internode.on.net (ipmail06.adl6.internode.on.net [150.101.137.145]) by cuda.sgi.com with ESMTP id ZEK090ZFFOCIBoDB for ; Tue, 15 Apr 2014 23:30:39 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.145 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AsxSALMiTlN5LEcvPGdsb2JhbABYgwaDU4UKtgyFXoEcFwMBAQEBODWCJQEBAQMBJxMcIxAIAxgJJQ8FJQMHGhMbh1kHxWEXFo5MB4Q4BJhiimeJUoFRKw Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail06.adl6.internode.on.net with ESMTP; 16 Apr 2014 16:00:38 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WaJMk-00070N-6f; Wed, 16 Apr 2014 16:30:38 +1000 Date: Wed, 16 Apr 2014 16:30:38 +1000 From: Dave Chinner To: NeilBrown Cc: linux-mm@kvack.org, linux-nfs@vger.kernel.org, linux-kernel@vger.kernel.org, xfs@oss.sgi.com Subject: Re: [PATCH 13/19] MM: set PF_FSTRANS while allocating per-cpu memory to avoid deadlock. Message-ID: <20140416063038.GH15995@dastard> X-ASG-Orig-Subj: Re: [PATCH 13/19] MM: set PF_FSTRANS while allocating per-cpu memory to avoid deadlock. References: <20140416033623.10604.69237.stgit@notabene.brown> <20140416040336.10604.67456.stgit@notabene.brown> <20140416054942.GD15995@dastard> <20140416162201.5dc9ff5c@notabene.brown> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140416162201.5dc9ff5c@notabene.brown> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail06.adl6.internode.on.net[150.101.137.145] X-Barracuda-Start-Time: 1397629839 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4961 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Wed, Apr 16, 2014 at 04:22:01PM +1000, NeilBrown wrote: > On Wed, 16 Apr 2014 15:49:42 +1000 Dave Chinner wrote: > > > On Wed, Apr 16, 2014 at 02:03:36PM +1000, NeilBrown wrote: > > > lockdep reports a locking chain > > > > > > sk_lock-AF_INET --> rtnl_mutex --> pcpu_alloc_mutex > > > > > > As sk_lock may be needed to reclaim memory, allowing that > > > reclaim while pcu_alloc_mutex is held can lead to deadlock. > > > So set PF_FSTRANS while it is help to avoid the FS reclaim. > > > > > > pcpu_alloc_mutex can be taken when rtnl_mutex is held: > > > > > > [] pcpu_alloc+0x49/0x960 > > > [] __alloc_percpu+0xb/0x10 > > > [] loopback_dev_init+0x17/0x60 > > > [] register_netdevice+0xec/0x550 > > > [] register_netdev+0x15/0x30 > > > > > > Signed-off-by: NeilBrown > > > > This looks like a workaround to avoid passing a gfp mask around to > > describe the context in which the allocation is taking place. > > Whether or not that's the right solution, I can't say, but spreading > > this "we can turn off all reclaim of filesystem objects" mechanism > > all around the kernel doesn't sit well with me... > > We are (effectively) passing a gfp mask around, except that it lives in > 'current' rather than lots of other places. > I actually like the idea of discarding PF_MEMALLOC, PF_FSTRANS and > PF_MEMALLOC_NOIO, and just having current->gfp_allowed_mask (to match the > global variable of the same name). Given that we've had problems getting gfp flags propagated into the VM code (vmalloc, I'm looking at you!) making the current task carry the valid memory allocation and reclaim context mask woul dbe a good idea. That's effectively the problem PF_MEMALLOC_NOIO is working around, and we've recently added it to XFS to silence all the lockdep warnings using vm_map_ram in GFP_NOFS contexts have been causing us.... > > And, again, PF_FSTRANS looks plainly wrong in this code - it sure > > isn't a fs transaction context we are worried about here... > > So would PF_MEMALLOC_NOFS work for you? Better than PF_FSTRANS, that's for sure ;) Cheers, Dave. -- Dave Chinner david@fromorbit.com From david@fromorbit.com Wed Apr 16 01:31:33 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id EEA237F60 for ; Wed, 16 Apr 2014 01:31:32 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 72EDFAC001 for ; Tue, 15 Apr 2014 23:31:32 -0700 (PDT) X-ASG-Debug-ID: 1397629890-04cbb06e9b77180001-NocioJ Received: from ipmail06.adl6.internode.on.net (ipmail06.adl6.internode.on.net [150.101.137.145]) by cuda.sgi.com with ESMTP id PX8a1iBBSTT4mHiv for ; Tue, 15 Apr 2014 23:31:30 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.145 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AslSALMiTlN5LEcvPGdsb2JhbABYgwaDU4UKtgyFXoEcFwMBAQEBODWCJQEBAQQ6HCMQCAMYCSUPBSUDBxoTh3vFYRcWjkwHhDgBA5hiimeJUoFRKw Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail06.adl6.internode.on.net with ESMTP; 16 Apr 2014 16:01:29 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WaJNZ-00070Y-7q; Wed, 16 Apr 2014 16:31:29 +1000 Date: Wed, 16 Apr 2014 16:31:29 +1000 From: Dave Chinner To: NeilBrown Cc: linux-mm@kvack.org, linux-nfs@vger.kernel.org, linux-kernel@vger.kernel.org, xfs@oss.sgi.com Subject: Re: [PATCH 09/19] XFS: ensure xfs_file_*_read cannot deadlock in memory allocation. Message-ID: <20140416063129.GI15995@dastard> X-ASG-Orig-Subj: Re: [PATCH 09/19] XFS: ensure xfs_file_*_read cannot deadlock in memory allocation. References: <20140416033623.10604.69237.stgit@notabene.brown> <20140416040336.10604.90380.stgit@notabene.brown> <20140416060459.GE15995@dastard> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140416060459.GE15995@dastard> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail06.adl6.internode.on.net[150.101.137.145] X-Barracuda-Start-Time: 1397629890 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4961 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Wed, Apr 16, 2014 at 04:04:59PM +1000, Dave Chinner wrote: > On Wed, Apr 16, 2014 at 02:03:36PM +1000, NeilBrown wrote: > > xfs_file_*_read holds an inode lock while calling a generic 'read' > > function. These functions perform read-ahead and are quite likely to > > allocate memory. > > Yes, that's what reading data from disk requires. > > > So set PF_FSTRANS to ensure they avoid __GFP_FS and so don't recurse > > into a filesystem to free memory. > > We already have that protection via the Oops, stray paste. Ignore that comment. -Dave. -- Dave Chinner david@fromorbit.com From BATV+12706adc9b0f362531ed+3888+infradead.org+hch@bombadil.srs.infradead.org Wed Apr 16 01:36:30 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 37A097F6B for ; Wed, 16 Apr 2014 01:36:30 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id 1140130404E for ; Tue, 15 Apr 2014 23:36:30 -0700 (PDT) X-ASG-Debug-ID: 1397630188-04bdf04554790d0001-NocioJ Received: from bombadil.infradead.org ([198.137.202.9]) by cuda.sgi.com with ESMTP id RMzBkWVQtELj0LK3 (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Tue, 15 Apr 2014 23:36:28 -0700 (PDT) X-Barracuda-Envelope-From: BATV+12706adc9b0f362531ed+3888+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.80.1 #2 (Red Hat Linux)) id 1WaJSE-0004VB-0z; Wed, 16 Apr 2014 06:36:18 +0000 Date: Tue, 15 Apr 2014 23:36:18 -0700 From: Christoph Hellwig To: Lukas Czerner Cc: Michael Kerrisk , linux-man@vger.kernel.org, linux-ext4@vger.kernel.org, tytso@mit.edu, linux-fsdevel@vger.kernel.org, xfs@oss.sgi.com Subject: Re: [PATCH 0/6][RFC] Introduce FALLOC_FL_ZERO_RANGE flag for fallocate Message-ID: <20140416063618.GA12498@infradead.org> X-ASG-Orig-Subj: Re: [PATCH 0/6][RFC] Introduce FALLOC_FL_ZERO_RANGE flag for fallocate References: <1392649703-10772-1-git-send-email-lczerner@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1392649703-10772-1-git-send-email-lczerner@redhat.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html X-Barracuda-Connect: UNKNOWN[198.137.202.9] X-Barracuda-Start-Time: 1397630188 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.10 X-Barracuda-Spam-Status: No, SCORE=0.10 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=RDNS_NONE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4961 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.10 RDNS_NONE Delivered to trusted network by a host with no rDNS On Mon, Feb 17, 2014 at 04:08:17PM +0100, Lukas Czerner wrote: > Introduce new FALLOC_FL_ZERO_RANGE flag for fallocate. This has the same > functionality as xfs ioctl XFS_IOC_ZERO_RANGE. Lukas, can you please also send a man page update for FALLOC_FL_ZERO_RANGE now that is has been merged? > > It can be used to convert a range of file to zeros preferably without > issuing data IO. Blocks should be preallocated for the regions that span > holes in the file, and the entire range is preferable converted to > unwritten extents - even though file system may choose to zero out the > extent or do whatever which will result in reading zeros from the range > while the range remains allocated for the file. > > This can be also used to preallocate blocks past EOF in the same way as > with fallocate. Flag FALLOC_FL_KEEP_SIZE which should cause the inode > size to remain the same. > > You can test this feature yourself using xfstests, of fallocate(1) however > you'll need patches for util_linux, xfsprogs and xfstests which you > can find here: > > http://people.redhat.com/lczerner/zero_range/ From david@fromorbit.com Wed Apr 16 01:40:22 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 17E307F3F for ; Wed, 16 Apr 2014 01:40:22 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id D26F2304071 for ; Tue, 15 Apr 2014 23:40:21 -0700 (PDT) X-ASG-Debug-ID: 1397630419-04bdf04553795c0001-NocioJ Received: from ipmail06.adl6.internode.on.net (ipmail06.adl6.internode.on.net [150.101.137.145]) by cuda.sgi.com with ESMTP id 0ATlTk4SO6FpKCOC for ; Tue, 15 Apr 2014 23:40:19 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.145 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AspSAOEkTlN5LEcvPGdsb2JhbABaDoJ4g1OFCrYMhV6BHBcDAQEBATg1giUBAQEEOhwjEAgDGAklDwUlAwcaE4d7xgAXFo5MB4Q4BJR2g2yUOX9SKw Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail06.adl6.internode.on.net with ESMTP; 16 Apr 2014 16:10:19 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WaJW6-00072E-90; Wed, 16 Apr 2014 16:40:18 +1000 Date: Wed, 16 Apr 2014 16:40:18 +1000 From: Dave Chinner To: Theodore Ts'o Cc: xfs@oss.sgi.com, Ext4 Developers List Subject: Re: [PATCH -v2] check: add support for an external file containing tests to exclude Message-ID: <20140416064018.GJ15995@dastard> X-ASG-Orig-Subj: Re: [PATCH -v2] check: add support for an external file containing tests to exclude References: <20140416001530.GU15995@dastard> <1397624302-9577-1-git-send-email-tytso@mit.edu> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1397624302-9577-1-git-send-email-tytso@mit.edu> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail06.adl6.internode.on.net[150.101.137.145] X-Barracuda-Start-Time: 1397630419 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4961 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Wed, Apr 16, 2014 at 12:58:22AM -0400, Theodore Ts'o wrote: > Currently the -X option is intended to specify a set of expunging > files which are stored in each test/* subdirectory. As described in > the commit description for 0b1e8abd4, in order to exclude the test > generic/280, the -X option is used as follows: > > $ cat tests/generic/3.0-stable-avoid > 280 > $ sudo ./check -X 3.0-stable-avoid generic/280 > > However, it is sometimes useful to store the set of expunged tests in > a single file, outside of tests/* subdirectories. This commit enables > the following: > > $ cat /root/conf/data_journal.exclude > generic/068 > ext4/301 > $ sudo ./check -E /root/conf/data_journal.exclude -g auto > > Signed-off-by: "Theodore Ts'o" > --- > check | 6 ++++++ > 1 file changed, 6 insertions(+) > > diff --git a/check b/check > index e7ace63..b1eaed2 100755 > --- a/check > +++ b/check > @@ -81,6 +81,7 @@ testlist options > -g group[,group...] include tests from these groups > -x group[,group...] exclude tests from these groups > -X file exclude individual tests > + -E external_file exclude individual tests > [testlist] include tests matching names in testlist > ' > exit 0 > @@ -222,6 +223,11 @@ while [ $# -gt 0 ]; do > done > done > ;; > + -E) xfile=$2; shift ; > + if [ -f $xfile ]; then > + cat "$xfile" >> $tmp.xlist > + fi > + ;; > -s) RUN_SECTION="$RUN_SECTION $2"; shift ;; > -l) diff="diff" ;; > -udiff) diff="$diff -u" ;; Looks good. Reviewed-by: Dave Chinner Cheers, Dave. -- Dave Chinner david@fromorbit.com From neilb@suse.de Wed Apr 16 01:49:51 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id D05587F75 for ; Wed, 16 Apr 2014 01:49:51 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id ADCE98F8052 for ; Tue, 15 Apr 2014 23:49:51 -0700 (PDT) X-ASG-Debug-ID: 1397630989-04cbb06e9d77cb0001-NocioJ Received: from mx2.suse.de (cantor2.suse.de [195.135.220.15]) by cuda.sgi.com with ESMTP id TQEQT6wP1ou1dYxl (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Tue, 15 Apr 2014 23:49:50 -0700 (PDT) X-Barracuda-Envelope-From: neilb@suse.de X-Barracuda-Apparent-Source-IP: 195.135.220.15 Received: from relay2.suse.de (charybdis-ext.suse.de [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id 3691AAC2B; Wed, 16 Apr 2014 06:49:49 +0000 (UTC) Date: Wed, 16 Apr 2014 16:49:41 +1000 From: NeilBrown To: Dave Chinner Cc: linux-mm@kvack.org, linux-nfs@vger.kernel.org, linux-kernel@vger.kernel.org, xfs@oss.sgi.com Subject: Re: [PATCH 16/19] VFS: use GFP_NOFS rather than GFP_KERNEL in __d_alloc. Message-ID: <20140416164941.37587da6@notabene.brown> X-ASG-Orig-Subj: Re: [PATCH 16/19] VFS: use GFP_NOFS rather than GFP_KERNEL in __d_alloc. In-Reply-To: <20140416062520.GG15995@dastard> References: <20140416033623.10604.69237.stgit@notabene.brown> <20140416040337.10604.61837.stgit@notabene.brown> <20140416062520.GG15995@dastard> X-Mailer: Claws Mail 3.9.2 (GTK+ 2.24.22; x86_64-suse-linux-gnu) Mime-Version: 1.0 Content-Type: multipart/signed; micalg=PGP-SHA1; boundary="Sig_/EPq.7eSTqOBYBZMF/T4NZ0K"; protocol="application/pgp-signature" X-Barracuda-Connect: cantor2.suse.de[195.135.220.15] X-Barracuda-Start-Time: 1397630989 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4962 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- --Sig_/EPq.7eSTqOBYBZMF/T4NZ0K Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable On Wed, 16 Apr 2014 16:25:20 +1000 Dave Chinner wrote: > On Wed, Apr 16, 2014 at 02:03:37PM +1000, NeilBrown wrote: > > __d_alloc can be called with i_mutex held, so it is safer to > > use GFP_NOFS. > >=20 > > lockdep reports this can deadlock when loop-back NFS is in use, > > as nfsd may be required to write out for reclaim, and nfsd certainly > > takes i_mutex. >=20 > But not the same i_mutex as is currently held. To me, this seems > like a false positive? If you are holding the i_mutex on an inode, > then you have a reference to the inode and hence memory reclaim > won't ever take the i_mutex on that inode. >=20 > FWIW, this sort of false positive was a long stabding problem for > XFS - we managed to get rid of most of the false positives like this > by ensuring that only the ilock is taken within memory reclaim and > memory reclaim can't be entered while we hold the ilock. >=20 > You can't do that with the i_mutex, though.... >=20 > Cheers, >=20 > Dave. I'm not sure this is a false positive. You can call __d_alloc when creating a file and so are holding i_mutex on t= he directory. nfsd might also want to access that directory. If there was only 1 nfsd thread, it would need to get i_mutex and do it's thing before replying to that request and so before it could handle the COMMIT which __d_alloc is waiting for. Obviously we would normally have multiple nfsd threads but if they were all blocked on an i_mutex which itself was blocked on nfs_release_page which was waiting for an nfsd thread to handling its COMMIT request, this could be a real deadlock. Thanks, NeilBrown --Sig_/EPq.7eSTqOBYBZMF/T4NZ0K Content-Type: application/pgp-signature; name=signature.asc Content-Disposition: attachment; filename=signature.asc -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.22 (GNU/Linux) iQIVAwUBU04oBTnsnt1WYoG5AQIv2A/+JHPHOXvvSEvBvND3/I/bvU7038Xt9P09 ROQ9m01KrCbUdCBztnzYFBBQRHb+TGX7/oqNbgR5xz5xQp5udSIOGfW50DvPsmRj evA2RwwB24XWG4TpZcfAnZXNXNGmjNXYzKcSrrD3Jr1hh54BnYkSmvxk1rjZb77V lPAtmazM12wyG3OTAP9iKMeNohqzKmL8ZAF3NXBtA7VvAx3Q/bW5Ouk3NDO9sMjP fP9rvVgZqGBGraTBp/j7hAliuwMdR47OvUvtmlj2Yu8BLwWdmK4uLcgCtiASvhox IOCQQ/mKw8d0c/vC1kl759kwgXuK87rRQ136xBpcgogBd7g8ER9Z+WmfBHUVndg6 9HjduCoAju0ruvnfHD3Ky4GcMEPPmbwe7nV7LMY8VkLTDjUBLLnoBROdgsbLL2bj at1fyaeJxQ/lRt3FzQ3ep0n4n366FM1kyHs84J3EiRMImrxAedb/wdZmDN7rQi0s g4ubAThts0zmUrYsTO+beqxVGNYqmnUdJVWMBX513HBGZ6kZ+sjFIpD2sBkCRIgK 98bXu9ZEz2ZqAACq42uYdNvEIgPrcog80+yLZJQ7GJaPHsdfOWEMrAJPrO5iaSQH vUbfbjwe722ZicSNlEgw5b5ZWMGb9ssZVeP28fJt0i8k5XNBa13+svkK+6ITOoJz FZOwEWIhv2A= =6+ZP -----END PGP SIGNATURE----- --Sig_/EPq.7eSTqOBYBZMF/T4NZ0K-- From peterz@infradead.org Wed Apr 16 02:22:11 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 38D717F58 for ; Wed, 16 Apr 2014 02:22:11 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id 086658F8054 for ; Wed, 16 Apr 2014 00:22:08 -0700 (PDT) X-ASG-Debug-ID: 1397632925-04bdf045557aa00001-NocioJ Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) by cuda.sgi.com with ESMTP id pHsVKYRTtXnTCr6G (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Wed, 16 Apr 2014 00:22:06 -0700 (PDT) X-Barracuda-Envelope-From: peterz@infradead.org X-Barracuda-Apparent-Source-IP: 205.233.59.134 Received: from dhcp-077-248-225-117.chello.nl ([77.248.225.117] helo=laptop) by merlin.infradead.org with esmtpsa (Exim 4.80.1 #2 (Red Hat Linux)) id 1WaKAW-00029f-4p; Wed, 16 Apr 2014 07:22:04 +0000 Received: by laptop (Postfix, from userid 1000) id 1E0021088671F; Wed, 16 Apr 2014 09:22:02 +0200 (CEST) Date: Wed, 16 Apr 2014 09:22:02 +0200 From: Peter Zijlstra To: NeilBrown Cc: linux-mm@kvack.org, linux-nfs@vger.kernel.org, linux-kernel@vger.kernel.org, Ingo Molnar , xfs@oss.sgi.com Subject: Re: [PATCH 03/19] lockdep: improve scenario messages for RECLAIM_FS errors. Message-ID: <20140416072202.GM26782@laptop.programming.kicks-ass.net> X-ASG-Orig-Subj: Re: [PATCH 03/19] lockdep: improve scenario messages for RECLAIM_FS errors. References: <20140416033623.10604.69237.stgit@notabene.brown> <20140416040336.10604.19304.stgit@notabene.brown> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140416040336.10604.19304.stgit@notabene.brown> User-Agent: Mutt/1.5.21 (2012-12-30) X-Barracuda-Connect: merlin.infradead.org[205.233.59.134] X-Barracuda-Start-Time: 1397632926 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4962 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Wed, Apr 16, 2014 at 02:03:36PM +1000, NeilBrown wrote: > lockdep can check for locking problems involving reclaim using > the same infrastructure as used for interrupts. > > However a number of the messages still refer to interrupts even > if it was actually a reclaim-related problem. > > So determine where the problem was caused by reclaim or irq and adjust > messages accordingly. > > Signed-off-by: NeilBrown > --- > kernel/locking/lockdep.c | 43 ++++++++++++++++++++++++++++++++----------- > 1 file changed, 32 insertions(+), 11 deletions(-) > > diff --git a/kernel/locking/lockdep.c b/kernel/locking/lockdep.c > index e05b82e92373..33d2ac7519dc 100644 > --- a/kernel/locking/lockdep.c > +++ b/kernel/locking/lockdep.c > @@ -1423,7 +1423,8 @@ static void > print_irq_lock_scenario(struct lock_list *safe_entry, > struct lock_list *unsafe_entry, > struct lock_class *prev_class, > - struct lock_class *next_class) > + struct lock_class *next_class, > + int reclaim) I would rather we just pass enum lock_usage_bit along from the callsites. > { > struct lock_class *safe_class = safe_entry->class; > struct lock_class *unsafe_class = unsafe_entry->class; > @@ -1487,6 +1495,8 @@ print_bad_irq_dependency(struct task_struct *curr, > enum lock_usage_bit bit2, > const char *irqclass) > { > + int reclaim = strncmp(irqclass, "RECLAIM", 7) == 0; > + irqclass := state_name(bit2), so instead of relying on the unreliable, why not use the lock_usage_bit ? > if (!debug_locks_off_graph_unlock() || debug_locks_silent) > return 0; > > @@ -1528,7 +1538,7 @@ print_bad_irq_dependency(struct task_struct *curr, > > printk("\nother info that might help us debug this:\n\n"); > print_irq_lock_scenario(backwards_entry, forwards_entry, > - hlock_class(prev), hlock_class(next)); > + hlock_class(prev), hlock_class(next), reclaim); So that would become bit2. > > lockdep_print_held_locks(curr); > > @@ -2200,7 +2210,7 @@ static void check_chain_key(struct task_struct *curr) > } > > static void > -print_usage_bug_scenario(struct held_lock *lock) > +print_usage_bug_scenario(struct held_lock *lock, enum lock_usage_bit new_bit) Like you did here. > { > struct lock_class *class = hlock_class(lock); > > @@ -2210,7 +2220,11 @@ print_usage_bug_scenario(struct held_lock *lock) > printk(" lock("); > __print_lock_name(class); > printk(");\n"); > - printk(" \n"); > + if (new_bit == LOCK_USED_IN_RECLAIM_FS || > + new_bit == LOCK_USED_IN_RECLAIM_FS_READ) And if we're going to do this all over, we might want a helper for this condition. > + printk(" \n"); > + else > + printk(" \n"); > printk(" lock("); > __print_lock_name(class); > printk(");\n"); Same for the rest I think.. From peterz@infradead.org Wed Apr 16 02:28:07 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 66CFF7F76 for ; Wed, 16 Apr 2014 02:28:07 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 3DA468F8052 for ; Wed, 16 Apr 2014 00:28:07 -0700 (PDT) X-ASG-Debug-ID: 1397633285-04cbb06e9a78f50001-NocioJ Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) by cuda.sgi.com with ESMTP id 6zEZ32RW80Ljvkn3 (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Wed, 16 Apr 2014 00:28:06 -0700 (PDT) X-Barracuda-Envelope-From: peterz@infradead.org X-Barracuda-Apparent-Source-IP: 205.233.59.134 Received: from dhcp-077-248-225-117.chello.nl ([77.248.225.117] helo=laptop) by merlin.infradead.org with esmtpsa (Exim 4.80.1 #2 (Red Hat Linux)) id 1WaKGK-0002DL-Ip; Wed, 16 Apr 2014 07:28:04 +0000 Received: by laptop (Postfix, from userid 1000) id 45DCD1088671F; Wed, 16 Apr 2014 09:28:03 +0200 (CEST) Date: Wed, 16 Apr 2014 09:28:03 +0200 From: Peter Zijlstra To: NeilBrown Cc: linux-mm@kvack.org, linux-nfs@vger.kernel.org, linux-kernel@vger.kernel.org, xfs@oss.sgi.com, Ingo Molnar Subject: Re: [PATCH 06/19] nfsd: set PF_FSTRANS for nfsd threads. Message-ID: <20140416072803.GN26782@laptop.programming.kicks-ass.net> X-ASG-Orig-Subj: Re: [PATCH 06/19] nfsd: set PF_FSTRANS for nfsd threads. References: <20140416033623.10604.69237.stgit@notabene.brown> <20140416040336.10604.60493.stgit@notabene.brown> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140416040336.10604.60493.stgit@notabene.brown> User-Agent: Mutt/1.5.21 (2012-12-30) X-Barracuda-Connect: merlin.infradead.org[205.233.59.134] X-Barracuda-Start-Time: 1397633286 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4962 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Wed, Apr 16, 2014 at 02:03:36PM +1000, NeilBrown wrote: > If a localhost mount is present, then it is easy to deadlock NFS by > nfsd entering direct reclaim and calling nfs_release_page() which > requires nfsd to perform an fsync() (which it cannot do because it is > reclaiming memory). > > By setting PF_FSTRANS we stop the memory allocator from ever > attempting any FS operation would could deadlock. > > We need this flag set for any thread which is handling a request from > the local host, but we also need to always have it for at least 1 or 2 > threads so that we don't end up with all threads blocked in allocation. > > When we set PF_FSTRANS we also tell lockdep that we are handling > reclaim so that it can detect deadlocks for us. > > Signed-off-by: NeilBrown > --- > fs/nfsd/nfssvc.c | 18 ++++++++++++++++++ > include/linux/sunrpc/svc.h | 1 + > net/sunrpc/svc.c | 6 ++++++ > 3 files changed, 25 insertions(+) > > diff --git a/fs/nfsd/nfssvc.c b/fs/nfsd/nfssvc.c > index 9a4a5f9e7468..6af8bc2daf7d 100644 > --- a/fs/nfsd/nfssvc.c > +++ b/fs/nfsd/nfssvc.c > @@ -565,6 +565,8 @@ nfsd(void *vrqstp) > struct svc_xprt *perm_sock = list_entry(rqstp->rq_server->sv_permsocks.next, typeof(struct svc_xprt), xpt_list); > struct net *net = perm_sock->xpt_net; > int err; > + unsigned int pflags = 0; > + gfp_t reclaim_state = 0; > > /* Lock module and set up kernel thread */ > mutex_lock(&nfsd_mutex); > @@ -611,14 +613,30 @@ nfsd(void *vrqstp) > ; > if (err == -EINTR) > break; > + if (rqstp->rq_local && !current_test_flags(PF_FSTRANS)) { > + current_set_flags_nested(&pflags, PF_FSTRANS); > + atomic_inc(&rqstp->rq_pool->sp_nr_fstrans); > + reclaim_state = lockdep_set_current_reclaim_state(GFP_KERNEL); > + } > validate_process_creds(); > svc_process(rqstp); > validate_process_creds(); > + if (current_test_flags(PF_FSTRANS) && > + atomic_dec_if_positive(&rqstp->rq_pool->sp_nr_fstrans) >= 0) { Yuck, that function has horrible semantics :/ Not your fault though. > + current_restore_flags_nested(&pflags, PF_FSTRANS); > + lockdep_restore_current_reclaim_state(reclaim_state); > + } Not really knowing much about NFS anymore (all I did know seems to have bitrotten) the above looks ok I suppose. Refcounting that task state in something !task_struct feels weird though. > } > > /* Clear signals before calling svc_exit_thread() */ > flush_signals(current); > > + if (current_test_flags(PF_FSTRANS)) { > + current_restore_flags_nested(&pflags, PF_FSTRANS); > + lockdep_restore_current_reclaim_state(reclaim_state); > + atomic_dec(&rqstp->rq_pool->sp_nr_fstrans); > + } > + > mutex_lock(&nfsd_mutex); > nfsdstats.th_cnt --; > > diff --git a/include/linux/sunrpc/svc.h b/include/linux/sunrpc/svc.h > index a0dbbd1e00e9..4b274aba51dd 100644 > --- a/include/linux/sunrpc/svc.h > +++ b/include/linux/sunrpc/svc.h > @@ -48,6 +48,7 @@ struct svc_pool { > struct list_head sp_threads; /* idle server threads */ > struct list_head sp_sockets; /* pending sockets */ > unsigned int sp_nrthreads; /* # of threads in pool */ > + atomic_t sp_nr_fstrans; /* # threads with PF_FSTRANS */ > struct list_head sp_all_threads; /* all server threads */ > struct svc_pool_stats sp_stats; /* statistics on pool operation */ > int sp_task_pending;/* has pending task */ > diff --git a/net/sunrpc/svc.c b/net/sunrpc/svc.c > index 5de6801cd924..8b13f35b6cbb 100644 > --- a/net/sunrpc/svc.c > +++ b/net/sunrpc/svc.c > @@ -477,6 +477,12 @@ __svc_create(struct svc_program *prog, unsigned int bufsize, int npools, > INIT_LIST_HEAD(&pool->sp_threads); > INIT_LIST_HEAD(&pool->sp_sockets); > INIT_LIST_HEAD(&pool->sp_all_threads); > + /* The number of threads with PF_FSTRANS set > + * should never be reduced below 2, except when > + * threads exit. So we use atomic_dec_if_positive() > + * on this value. > + */ > + atomic_set(&pool->sp_nr_fstrans, -2); Its not my code, but that's not the recommended multi-line comment style. > spin_lock_init(&pool->sp_lock); > } > > > From johannes.truschnigg@geizhals.at Wed Apr 16 03:21:55 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 27A037F75 for ; Wed, 16 Apr 2014 03:21:55 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id AF910AC003 for ; Wed, 16 Apr 2014 01:21:51 -0700 (PDT) X-ASG-Debug-ID: 1397636507-04cb6c24377a000001-NocioJ Received: from morework.geizhals.at (morework.geizhals.at [78.142.138.3]) by cuda.sgi.com with ESMTP id TXilJxo6V7ZnOiSM (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Wed, 16 Apr 2014 01:21:48 -0700 (PDT) X-Barracuda-Envelope-From: johannes.truschnigg@geizhals.at X-Barracuda-Apparent-Source-IP: 78.142.138.3 Received: from localhost (localhost [127.0.0.1]) by morework.geizhals.at (Postfix) with ESMTP id 878381248382; Wed, 16 Apr 2014 10:21:47 +0200 (CEST) X-Virus-Scanned: amavisd-new at geizhals.at Received: from morework.geizhals.at ([127.0.0.1]) by localhost (morework.geizhals.at [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id ObdPoZf9p8h7; Wed, 16 Apr 2014 10:21:45 +0200 (CEST) Received: from [10.0.0.137] (unknown [10.0.0.137]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) (Authenticated sender: jt) by morework.geizhals.at (Postfix) with ESMTPSA id 54FD3124837F; Wed, 16 Apr 2014 10:21:45 +0200 (CEST) Message-ID: <534E3D98.3000600@geizhals.at> Date: Wed, 16 Apr 2014 10:21:44 +0200 From: Johannes Truschnigg User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20131103 Icedove/17.0.10 MIME-Version: 1.0 To: Dave Chinner CC: xfs@oss.sgi.com Subject: Re: Seeking XFS tuning advice for PostgreSQL on SATA SSDs/Linux-md References: <534D24AB.1050605@geizhals.at> <20140415213408.GL15995@dastard> X-ASG-Orig-Subj: Re: Seeking XFS tuning advice for PostgreSQL on SATA SSDs/Linux-md In-Reply-To: <20140415213408.GL15995@dastard> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Barracuda-Connect: morework.geizhals.at[78.142.138.3] X-Barracuda-Start-Time: 1397636507 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4963 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- Hi Dave, On 04/15/2014 11:34 PM, Dave Chinner wrote: > On Tue, Apr 15, 2014 at 02:23:07PM +0200, Johannes Truschnigg wrote: >> Hi list, >> [...] >> o Intel C606-based Dual 4-Port SATA/SAS HBA (PCIID 8086:1d68) > > How much write cache does this have? It's a plain HBA; it doesn't have write cache (or a BBU) of its own. >> o 6x Samsung 830 SSD with 512GB each, 25% reserved for HPA > > 830? That's the previous generation of drives - do you mean 840? No, I really mean 830 - we've tested 840 EVO as well, and they performed quite well, too, however from what I've seen on the web the longevity of Samsung's TLC flash choice in 840 disks isn't as promising as those of the 830s MLC variant. We might be switching over to 840 EVO or one of their successors once the 830s wear out, or we need to expand capacity, but we do have a number of 830s in stock that we'll use first. >> When benchmarking the individual SSDs with fio (using the libaio >> backend), the IOPS we've seen were in the 30k-35k range overall for >> 4K block sizes. > > They don't sustain that performance over 20+ minutes of constant IO, > though. Even if you have 840s (I have 840 EVOs in my test rig), the > sustained performance of 4k random write IOPS is somewhere around > 4-6k each. See, for example, the performance consistency graphs here: > > http://www.anandtech.com/show/7173/samsung-ssd-840-evo-review-120gb-250gb-500gb-750gb-1tb-models-tested/6 > > Especially the last one that shows a zoomed view of the steady state > behaviour between 1400s and 2000s of constant load. I used tkperf[0] to benchmark the devices, both on Intel's SAS HBA and on a LSI 2108 SAS RAID-Controller. I did runs for the 512GB 830 with 25% over-provisioning, and runs for 1TB 840 EVO with 0% op and 25% op (two different disks with the same firmware). tkperf tries hard to achieve steady state by torturing the devices for a few hours before the actual benchmarking takes place, and will only do so after that steady state has been reached. From what I've seen, the over-provisioning is absolutely crucial to get anywhere near acceptable performance; since Anandtech doesn't seem to use it, I'll trust my tests more. For reference: the 750GB usable-space EVO clocked in at ~35k 4k IOPS on the LSI 2108, whilst the 1000GB usable-space sister disk still hasn't finished the benchmark run, because it's _so much slower_. The benchmark was started about ten days ago for both disks; the 750GB disk finished after some 2 or 3 days, and I'm _still_ waiting for the 1000GB disk to finish benchmarking. Only then I'll be able to look at the pretty graphs and tables tkperf generates, but when tailing the log and watching iostat, I can already draw some early conclusions as to how these two configurations perform, and they're not in the same ballpark at all. > The 830 series are old enough that they were reviewed before this > was considered an important metric for SSD comparison, and so there > is no equivalent information available for them. However, they are > likely to be significantly slower and less deterministic in their > behaviour than the 840s under the same load... Afaik, 840 EVO's relatively high peak performance stems from the DRAM buffer these disks supposedly have built in, while the 830 lacks that kind of trick. Given that the EVO's performance drops after that buffer has worked its magic, I'd actually expect the 830 to perform _more consistent_ (not necessarily better, even on average, though) than the 840 EVO. We'll see if that holds true if/when we put 840 EVOs into service, I guess. >> The host will be on the receiving end of a pg9.0 >> streaming replication cluster setup where the master handles ~50k >> IOPS peak, and I'm thinking what'd be a good approach to design the >> local storage stack (with availability in mind) in a way that has a >> chance to keep up with our flash-based FC SAN. > > I'd be surprised if it can keep up after a couple of months of > production level IO going to the SSDs... Yeah, that remains to be seen, and it'll be very interesting - if anyone's interested, I'll be happy to share our learnings from this project once we have enough data worth talking about. Remember, the numbers I posted are _peak_ load at the master though, most of the time, we don't exceed 10k IOPS, and some of the time, the system is practically idle. That might give the SSD controllers enough time to work their garbage collection secret sauce magic, and sustain high(er) performance over most of their lifetimes. >> After digging through linux-raid archives, I think the most sensible >> approach are two-disk pairs in RAID1 that are concatenated via >> either LVM2 or md (leaning towards the latter, since I'd expect that >> to have a tad less overhead), > > I'd stripe them (i.e. RAID10), not concantenate them so as to load > both RAID1 legs evenly. Afaik, the problem with md is that each array (I'm pretty convinced that also holds true for RAID10, but I'm not 100% sure) only has one associated kernel thread for writes, which should make that kind of setup worse, at least in theory and in terms of achiveable parallelism, than the setup I described. I'd be very happy to see a comparison between the two setups for high-IOPS devices, but I haven't yet found one anywhere. > [...] >> I've experimented with mkfs.xfs (on top of LVM only; I don't know if >> it takes into account lower block layers and seen that it supposedly >> chooses to default to an agcount of 4, which seems insufficient >> given the max. bandwidth our setup should be able to provide. > > The number of AGs has no bearing on acheivable bandwidth. The number > of AGs affects allocation concurrency. Hence if you have 24 CPU > cores, I'd expect that you want 32 AGs. Normally with a RAID array > this will be the default, but it seems that RAID1 is not triggering > the "optimise for allocation concurrency" heuristics in mkfs.... Thanks, that is a very useful heads-up! What's the formula used to get to 32 AGs for 24 CPUs - just (num_cpus * 4/3), and is there a simple explanation for why this is an ideal starting point? And is that an advisable rule of thumb for xfs in general? >> Apart from that, is there any kind of advice you can share for >> tuning xfs to run postgres (9.0 initially, but we're planning to >> upgrade to 9.3 or later eventually) on in 2014, especially >> performance-wise? > > Apart from the AG count and perhaps tuning the sunit/swidth to match > the RAID0 part of the equation, I wouldn't touch a thing unless you > know that there's a problem that needs fixing and you know exactly > what knob will fix the problem you have... OK, I'll read up on stripe width impact and will (hopefully) have enough time to test a number of configs that should make sense. Many thanks for your contribution and advice! :) [0]: http://www.thomas-krenn.com/en/oss/tkperf.html -- Mit freundlichen Grüßen Johannes Truschnigg Senior System Administrator -- mailto:johannes.truschnigg@geizhals.at (in dringenden Fällen bitte an info@geizhals.at) Geizhals(R) - Preisvergleich Internet Services AG Obere Donaustrasse 63/2 A-1020 Wien Tel: +43 1 5811609/87 Fax: +43 1 5811609/55 http://geizhals.at => Preisvergleich für Österreich http://geizhals.de => Preisvergleich für Deutschland http://geizhals.eu => Preisvergleich EU-weit Handelsgericht Wien | FN 197241K | Firmensitz Wien From lczerner@redhat.com Wed Apr 16 03:29:53 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id A73957F3F for ; Wed, 16 Apr 2014 03:29:53 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id 776588F8049 for ; Wed, 16 Apr 2014 01:29:50 -0700 (PDT) X-ASG-Debug-ID: 1397636989-04bdf045527c6c0001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id R3zonrb6TARRmXiF for ; Wed, 16 Apr 2014 01:29:49 -0700 (PDT) X-Barracuda-Envelope-From: lczerner@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx02.intmail.prod.int.phx2.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3G8Tl8e028550 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Wed, 16 Apr 2014 04:29:47 -0400 Received: from vpn1-7-198.ams2.redhat.com (vpn1-7-198.ams2.redhat.com [10.36.7.198]) by int-mx02.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id s3G8Tii8025180 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Wed, 16 Apr 2014 04:29:46 -0400 Date: Wed, 16 Apr 2014 10:29:43 +0200 (CEST) From: =?ISO-8859-15?Q?Luk=E1=A8_Czerner?= X-X-Sender: lczerner@localhost.localdomain To: Dave Chinner cc: linux-fsdevel@vger.kernel.org, linux-ext4@vger.kernel.org, xfs@oss.sgi.com Subject: Re: [PATCH 2/3 v2] fs: Prevent doing FALLOC_FL_ZERO_RANGE on append only file In-Reply-To: <20140415220220.GR15995@dastard> X-ASG-Orig-Subj: Re: [PATCH 2/3 v2] fs: Prevent doing FALLOC_FL_ZERO_RANGE on append only file Message-ID: References: <1397580076-19826-1-git-send-email-lczerner@redhat.com> <1397580076-19826-2-git-send-email-lczerner@redhat.com> <20140415220220.GR15995@dastard> User-Agent: Alpine 2.00 (LFD 1167 2008-08-23) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII X-Scanned-By: MIMEDefang 2.67 on 10.5.11.12 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1397636989 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Wed, 16 Apr 2014, Dave Chinner wrote: > Date: Wed, 16 Apr 2014 08:02:20 +1000 > From: Dave Chinner > To: Lukas Czerner > Cc: linux-fsdevel@vger.kernel.org, linux-ext4@vger.kernel.org, xfs@oss.sgi.com > Subject: Re: [PATCH 2/3 v2] fs: Prevent doing FALLOC_FL_ZERO_RANGE on append > only file > > On Tue, Apr 15, 2014 at 06:41:15PM +0200, Lukas Czerner wrote: > > Currently punch hole and collapse range fallocate operation are not > > allowed on append only file. This should be case for zero range as well. > > Fix it by allowing only pure fallocate (possibly with keep size set). > > > > Signed-off-by: Lukas Czerner > > --- > > v2: Change the condition to be future proof as suggested by hch > > > > fs/open.c | 6 ++---- > > 1 file changed, 2 insertions(+), 4 deletions(-) > > > > diff --git a/fs/open.c b/fs/open.c > > index 631aea81..fe48b2f 100644 > > --- a/fs/open.c > > +++ b/fs/open.c > > @@ -254,11 +254,9 @@ int do_fallocate(struct file *file, int mode, loff_t offset, loff_t len) > > return -EBADF; > > > > /* > > - * It's not possible to punch hole or perform collapse range > > - * on append only file > > + * We can only allow pure fallocate on append only files > > */ > > - if (mode & (FALLOC_FL_PUNCH_HOLE | FALLOC_FL_COLLAPSE_RANGE) > > - && IS_APPEND(inode)) > > + if (mode & ~FALLOC_FL_KEEP_SIZE && IS_APPEND(inode)) > > if ((mode & ~FALLOC_FL_KEEP_SIZE) && IS_APPEND(inode)) > > gcc normally complains when you mix & and && in the same logic > statement without () to separate the logic. I agree with gcc here, > because the () indicate the intent of the logic and make it easy to > determine that the & and && haven't been mixed up or fat-fingered... Yeah, I was thinking about this and then left it to operator precedence. But having () in there is fine as well. -Lukas > > Cheers, > > Dave. > From david@fromorbit.com Wed Apr 16 04:00:56 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 9F5807F5E for ; Wed, 16 Apr 2014 04:00:56 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 7EDAF8F8039 for ; Wed, 16 Apr 2014 02:00:56 -0700 (PDT) X-ASG-Debug-ID: 1397638853-04cbb06e9c7b770001-NocioJ Received: from ipmail06.adl6.internode.on.net (ipmail06.adl6.internode.on.net [150.101.137.145]) by cuda.sgi.com with ESMTP id MemxOQvd0zAZ5094 for ; Wed, 16 Apr 2014 02:00:54 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.145 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AiRyAPJFTlN5LEcvPGdsb2JhbABZgwaDU4UKoiqTW4VggR4XAwEBAQE4NYIlAQEBBCcTHCMQCAMYCSUPBSUDBxoTh3vHIBcWjkwHhDgEmGWKaYskKw Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail06.adl6.internode.on.net with ESMTP; 16 Apr 2014 18:30:52 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WaLi7-0007M0-A2; Wed, 16 Apr 2014 19:00:51 +1000 Date: Wed, 16 Apr 2014 19:00:51 +1000 From: Dave Chinner To: NeilBrown Cc: linux-mm@kvack.org, linux-nfs@vger.kernel.org, linux-kernel@vger.kernel.org, xfs@oss.sgi.com Subject: Re: [PATCH 16/19] VFS: use GFP_NOFS rather than GFP_KERNEL in __d_alloc. Message-ID: <20140416090051.GK15995@dastard> X-ASG-Orig-Subj: Re: [PATCH 16/19] VFS: use GFP_NOFS rather than GFP_KERNEL in __d_alloc. References: <20140416033623.10604.69237.stgit@notabene.brown> <20140416040337.10604.61837.stgit@notabene.brown> <20140416062520.GG15995@dastard> <20140416164941.37587da6@notabene.brown> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140416164941.37587da6@notabene.brown> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail06.adl6.internode.on.net[150.101.137.145] X-Barracuda-Start-Time: 1397638853 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4964 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Wed, Apr 16, 2014 at 04:49:41PM +1000, NeilBrown wrote: > On Wed, 16 Apr 2014 16:25:20 +1000 Dave Chinner wrote: > > > On Wed, Apr 16, 2014 at 02:03:37PM +1000, NeilBrown wrote: > > > __d_alloc can be called with i_mutex held, so it is safer to > > > use GFP_NOFS. > > > > > > lockdep reports this can deadlock when loop-back NFS is in use, > > > as nfsd may be required to write out for reclaim, and nfsd certainly > > > takes i_mutex. > > > > But not the same i_mutex as is currently held. To me, this seems > > like a false positive? If you are holding the i_mutex on an inode, > > then you have a reference to the inode and hence memory reclaim > > won't ever take the i_mutex on that inode. > > > > FWIW, this sort of false positive was a long stabding problem for > > XFS - we managed to get rid of most of the false positives like this > > by ensuring that only the ilock is taken within memory reclaim and > > memory reclaim can't be entered while we hold the ilock. > > > > You can't do that with the i_mutex, though.... > > > > Cheers, > > > > Dave. > > I'm not sure this is a false positive. > You can call __d_alloc when creating a file and so are holding i_mutex on the > directory. > nfsd might also want to access that directory. > > If there was only 1 nfsd thread, it would need to get i_mutex and do it's > thing before replying to that request and so before it could handle the > COMMIT which __d_alloc is waiting for. That seems wrong - the NFS client in __d_alloc holds a mutex on a NFS client directory inode. The NFS server can't access that specific mutex - it's on the other side of the "network". The NFS server accesses mutexs from local filesystems, so __d_alloc would have to be blocked on a local filesystem inode i_mutex for the nfsd to get hung up behind it... However, my confusion comes from the fact that we do GFP_KERNEL memory allocation with the i_mutex held all over the place. If the problem is: local fs access -> i_mutex ..... nfsd -> i_mutex (blocked) ..... local fs access -> kmalloc(GFP_KERNEL) -> direct reclaim -> nfs_release_page -> then why is it just __d_alloc that needs this fix? Either this is a problem *everywhere* or it's not a problem at all. If it's a problem everywhere it means that we simply can't allow reclaim from localhost NFS mounts to run from contexts that could block an NFSD. i.e. you cannot run NFS client memory reclaim from filesystems that are NFS server exported filesystems..... Cheers, Dave. -- Dave Chinner david@fromorbit.com From david@fromorbit.com Wed Apr 16 04:31:27 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 5AEC17F5E for ; Wed, 16 Apr 2014 04:31:27 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id 0CCF9AC002 for ; Wed, 16 Apr 2014 02:31:23 -0700 (PDT) X-ASG-Debug-ID: 1397640681-04bdf045557e030001-NocioJ Received: from ipmail06.adl6.internode.on.net (ipmail06.adl6.internode.on.net [150.101.137.145]) by cuda.sgi.com with ESMTP id JkkuFaAnxtjLQFLO for ; Wed, 16 Apr 2014 02:31:21 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.145 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AulbACJNTlN5LEcvPGdsb2JhbAA/GoMGO4MYpy8Gk1uFYIEfFwMBAQEBODWCJQEBAQMBOhwjBQsIAxgJDBkPBSUDBxoTh3QHDjbHBBaOTAcKhC4EmGWBOJRVK4EuJA Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail06.adl6.internode.on.net with ESMTP; 16 Apr 2014 19:01:10 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WaMBO-0007Qf-CP; Wed, 16 Apr 2014 19:31:06 +1000 Date: Wed, 16 Apr 2014 19:31:06 +1000 From: Dave Chinner To: Johannes Truschnigg Cc: xfs@oss.sgi.com Subject: Re: Seeking XFS tuning advice for PostgreSQL on SATA SSDs/Linux-md Message-ID: <20140416093106.GL15995@dastard> X-ASG-Orig-Subj: Re: Seeking XFS tuning advice for PostgreSQL on SATA SSDs/Linux-md References: <534D24AB.1050605@geizhals.at> <20140415213408.GL15995@dastard> <534E3D98.3000600@geizhals.at> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <534E3D98.3000600@geizhals.at> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail06.adl6.internode.on.net[150.101.137.145] X-Barracuda-Start-Time: 1397640681 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.10 X-Barracuda-Spam-Status: No, SCORE=0.10 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_SA085 X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4964 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.10 BSF_SC0_SA085 Custom Rule SA085 On Wed, Apr 16, 2014 at 10:21:44AM +0200, Johannes Truschnigg wrote: > Hi Dave, > > On 04/15/2014 11:34 PM, Dave Chinner wrote: > >On Tue, Apr 15, 2014 at 02:23:07PM +0200, Johannes Truschnigg wrote: > >>Hi list, > >>[...] > >>o Intel C606-based Dual 4-Port SATA/SAS HBA (PCIID 8086:1d68) > > > >How much write cache does this have? > > It's a plain HBA; it doesn't have write cache (or a BBU) of its own. Ok, so nothing to isolate nasty bad IO patterns from the drives, or to soak up write peaks. IOWs, what the drives give you is all you're going to get. You might want to think about dropping $1000 on a good quality LSI SAS RAID HBA and putting the disks behind that... > >>o 6x Samsung 830 SSD with 512GB each, 25% reserved for HPA > > > >830? That's the previous generation of drives - do you mean 840? > > No, I really mean 830 - we've tested 840 EVO as well, and they > performed quite well, too, however from what I've seen on the web > the longevity of Samsung's TLC flash choice in 840 disks isn't as > promising as those of the 830s MLC variant. We might be switching > over to 840 EVO or one of their successors once the 830s wear out, > or we need to expand capacity, but we do have a number of 830s in > stock that we'll use first. What I've read is "there's really no difference". Yes, there are less write/erase cycles for the 21nm TLC compared to the 27nm MLC in the 830s, but the controller in the 840 is far better at handling wear levelling. > >>When benchmarking the individual SSDs with fio (using the libaio > >>backend), the IOPS we've seen were in the 30k-35k range overall for > >>4K block sizes. > > > >They don't sustain that performance over 20+ minutes of constant IO, > >though. Even if you have 840s (I have 840 EVOs in my test rig), the > >sustained performance of 4k random write IOPS is somewhere around > >4-6k each. See, for example, the performance consistency graphs here: > > > >http://www.anandtech.com/show/7173/samsung-ssd-840-evo-review-120gb-250gb-500gb-750gb-1tb-models-tested/6 > > > >Especially the last one that shows a zoomed view of the steady state > >behaviour between 1400s and 2000s of constant load. > > I used tkperf[0] to benchmark the devices, both on Intel's SAS HBA > and on a LSI 2108 SAS RAID-Controller. I did runs for the 512GB 830 > with 25% over-provisioning, and runs for 1TB 840 EVO with 0% op and > 25% op (two different disks with the same firmware). tkperf tries > hard to achieve steady state by torturing the devices for a few > hours before the actual benchmarking takes place, and will only do > so after that steady state has been reached. > > From what I've seen, the over-provisioning is absolutely crucial to > get anywhere near acceptable performance; since Anandtech doesn't > seem to use it, I'll trust my tests more. Oh, they do, just not in every SSD review they do: http://anandtech.com/show/7864/crucial-m550-review-128gb-256gb-512gb-and-1tb-models-tested/3 Unfortunately, there aren't 25% spare area numbers for the 840EVO... > For reference: the 750GB usable-space EVO clocked in at ~35k 4k IOPS > on the LSI 2108, whilst the 1000GB usable-space sister disk still > hasn't finished the benchmark run, because it's _so much slower_. Yes, apart from validation effort, that's the main difference between consumer and enterprise SSDs; enterprise SSDs usually run 20-25% over provisioned space but are otherwise mostly identical hardware and firmware to the consumer drives. That's why you get 200, 400 and 800GB enterprise drives rather than 250, 500, and 1TB capacities... > >>After digging through linux-raid archives, I think the most sensible > >>approach are two-disk pairs in RAID1 that are concatenated via > >>either LVM2 or md (leaning towards the latter, since I'd expect that > >>to have a tad less overhead), > > > >I'd stripe them (i.e. RAID10), not concantenate them so as to load > >both RAID1 legs evenly. > > Afaik, the problem with md is that each array (I'm pretty convinced > that also holds true for RAID10, but I'm not 100% sure) only has one > associated kernel thread for writes, I think it used to have a single thread for parity calculations, which is not used for raid 0/1/10, so I don't think that's true anymore. There were patches to multithread the parity calculations, no idea what the status of that work ended being... > which should make that kind of > setup worse, at least in theory and in terms of achiveable > parallelism, than the setup I described. I'd be very happy to see a > comparison between the two setups for high-IOPS devices, but I > haven't yet found one anywhere. I don't think it makes any difference at all. I have both LVM and MD RAID 0 SSD stripes, and neither MD nor DM are the performance limiting factor, nor do they show up anywhere in profiles. > > [...] > >>I've experimented with mkfs.xfs (on top of LVM only; I don't know if > >>it takes into account lower block layers and seen that it supposedly > >>chooses to default to an agcount of 4, which seems insufficient > >>given the max. bandwidth our setup should be able to provide. > > > >The number of AGs has no bearing on acheivable bandwidth. The number > >of AGs affects allocation concurrency. Hence if you have 24 CPU > >cores, I'd expect that you want 32 AGs. Normally with a RAID array > >this will be the default, but it seems that RAID1 is not triggering > >the "optimise for allocation concurrency" heuristics in mkfs.... > > Thanks, that is a very useful heads-up! What's the formula used to > get to 32 AGs for 24 CPUs - just (num_cpus * 4/3), and is there a > simple explanation for why this is an ideal starting point? And is > that an advisable rule of thumb for xfs in general? Simple explanation: 32 is the default for RAID5/6 based devices between 1-32TB in size. General rule of thumb: http://xfs.org/index.php/XFS_FAQ#Q:_I_want_to_tune_my_XFS_filesystems_for_.3Csomething.3E > >>Apart from that, is there any kind of advice you can share for > >>tuning xfs to run postgres (9.0 initially, but we're planning to > >>upgrade to 9.3 or later eventually) on in 2014, especially > >>performance-wise? > > > >Apart from the AG count and perhaps tuning the sunit/swidth to match > >the RAID0 part of the equation, I wouldn't touch a thing unless you > >know that there's a problem that needs fixing and you know exactly > >what knob will fix the problem you have... > > OK, I'll read up on stripe width impact and will (hopefully) have > enough time to test a number of configs that should make sense. http://xfs.org/index.php/XFS_FAQ#Q:_How_to_calculate_the_correct_sunit.2Cswidth_values_for_optimal_performance Cheers, Dave. -- Dave Chinner david@fromorbit.com From lczerner@redhat.com Wed Apr 16 05:43:45 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id B5D997F5A for ; Wed, 16 Apr 2014 05:43:45 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 546C8AC003 for ; Wed, 16 Apr 2014 03:43:42 -0700 (PDT) X-ASG-Debug-ID: 1397645020-04cb6c24397dcb0001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id CdjBE1bgmHuVmSen for ; Wed, 16 Apr 2014 03:43:41 -0700 (PDT) X-Barracuda-Envelope-From: lczerner@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx09.intmail.prod.int.phx2.redhat.com (int-mx09.intmail.prod.int.phx2.redhat.com [10.5.11.22]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3GAhF62006194 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 16 Apr 2014 06:43:16 -0400 Received: from vpn1-4-17.ams2.redhat.com (vpn1-4-17.ams2.redhat.com [10.36.4.17]) by int-mx09.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s3GAhAiB027799 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Wed, 16 Apr 2014 06:43:13 -0400 Date: Wed, 16 Apr 2014 12:43:09 +0200 (CEST) From: =?ISO-8859-15?Q?Luk=E1=A8_Czerner?= X-X-Sender: lczerner@localhost.localdomain To: Christoph Hellwig cc: Michael Kerrisk , linux-man@vger.kernel.org, linux-ext4@vger.kernel.org, tytso@mit.edu, linux-fsdevel@vger.kernel.org, xfs@oss.sgi.com Subject: Re: [PATCH 0/6][RFC] Introduce FALLOC_FL_ZERO_RANGE flag for fallocate In-Reply-To: <20140416063618.GA12498@infradead.org> X-ASG-Orig-Subj: Re: [PATCH 0/6][RFC] Introduce FALLOC_FL_ZERO_RANGE flag for fallocate Message-ID: References: <1392649703-10772-1-git-send-email-lczerner@redhat.com> <20140416063618.GA12498@infradead.org> User-Agent: Alpine 2.00 (LFD 1167 2008-08-23) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII X-Scanned-By: MIMEDefang 2.68 on 10.5.11.22 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1397645021 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Tue, 15 Apr 2014, Christoph Hellwig wrote: > Date: Tue, 15 Apr 2014 23:36:18 -0700 > From: Christoph Hellwig > To: Lukas Czerner > Cc: Michael Kerrisk , linux-man@vger.kernel.org, > linux-ext4@vger.kernel.org, tytso@mit.edu, linux-fsdevel@vger.kernel.org, > xfs@oss.sgi.com > Subject: Re: [PATCH 0/6][RFC] Introduce FALLOC_FL_ZERO_RANGE flag for > fallocate > > On Mon, Feb 17, 2014 at 04:08:17PM +0100, Lukas Czerner wrote: > > Introduce new FALLOC_FL_ZERO_RANGE flag for fallocate. This has the same > > functionality as xfs ioctl XFS_IOC_ZERO_RANGE. > > Lukas, can you please also send a man page update for > FALLOC_FL_ZERO_RANGE now that is has been merged? Right, I'll do that. Thanks! -Lukas > > > > > It can be used to convert a range of file to zeros preferably without > > issuing data IO. Blocks should be preallocated for the regions that span > > holes in the file, and the entire range is preferable converted to > > unwritten extents - even though file system may choose to zero out the > > extent or do whatever which will result in reading zeros from the range > > while the range remains allocated for the file. > > > > This can be also used to preallocate blocks past EOF in the same way as > > with fallocate. Flag FALLOC_FL_KEEP_SIZE which should cause the inode > > size to remain the same. > > > > You can test this feature yourself using xfstests, of fallocate(1) however > > you'll need patches for util_linux, xfsprogs and xfstests which you > > can find here: > > > > http://people.redhat.com/lczerner/zero_range/ > -- > To unsubscribe from this list: send the line "unsubscribe linux-ext4" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > From service77@hlrichl.com Wed Apr 16 05:59:42 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: *** X-Spam-Status: No, score=3.0 required=5.0 tests=AXB_XMAILER_MIMEOLE_OL_E023A, HTML_MESSAGE,T_DKIM_INVALID autolearn=no version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 200A07F58 for ; Wed, 16 Apr 2014 05:59:42 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id A0243AC005 for ; 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Wed, 16 Apr 2014 06:14:11 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id E09D18F8066 for ; Wed, 16 Apr 2014 04:14:07 -0700 (PDT) X-ASG-Debug-ID: 1397646846-04cbb06e9d7f050001-NocioJ Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) by cuda.sgi.com with ESMTP id MjOiNU53AbplHaGH (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Wed, 16 Apr 2014 04:14:06 -0700 (PDT) X-Barracuda-Envelope-From: BATV+12706adc9b0f362531ed+3888+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.80.1 #2 (Red Hat Linux)) id 1WaNn0-0003os-Rx; Wed, 16 Apr 2014 11:14:02 +0000 Date: Wed, 16 Apr 2014 04:14:02 -0700 From: Christoph Hellwig To: Andreas Gruenbacher Cc: Brian Foster , linux-man@vger.kernel.org, xfs@oss.sgi.com, linux-security-module@vger.kernel.org, Al Viro , linux-fsdevel@vger.kernel.org, linux-ext4@vger.kernel.org Subject: Re: [PATCH v2 1/2] xfs: fix tmpfile/selinux deadlock and initialize security/acl Message-ID: <20140416111402.GA32350@infradead.org> X-ASG-Orig-Subj: Re: [PATCH v2 1/2] xfs: fix tmpfile/selinux deadlock and initialize security/acl References: <1397071311-28371-1-git-send-email-bfoster@redhat.com> <1397071311-28371-2-git-send-email-bfoster@redhat.com> <20140410102421.GA17641@infradead.org> <20140410121947.GA14124@bfoster.bfoster> <20140410122944.GA6579@infradead.org> <20140415175228.GE26404@infradead.org> <1188577823.463241.1397590262478.JavaMail.zimbra@linbit.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1188577823.463241.1397590262478.JavaMail.zimbra@linbit.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html X-Barracuda-Connect: bombadil.infradead.org[198.137.202.9] X-Barracuda-Start-Time: 1397646846 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4966 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Tue, Apr 15, 2014 at 09:31:02PM +0200, Andreas Gruenbacher wrote: > from how O_TMPFILE is documented right now [*], creating such a file and > then linking it into the namespace is one of the obvious use cases. Btw, I think the man page is wrong - given that the tmpfile is not visible in the namespace it is obviously not created in the directory. The directory passed in is just a handle for the filesystem it should be created in. Michael, should I send you an update for this, or do you want to do it yourself as you can probably come up with better language anyway? > The > intent seems to be to make it seem like the file was created and populated > atomically, possibly with inherited permissions and all. > I think this > behavior require that the O_TMPFILE file inherits from the directory it > was "created" in. > > Adding code to achieve the effect of create-time inheritance at link > time, only for O_TMPFILE files or files without any links, doesn't seem > reasonable to me: it would duplicate create code in the link code path, > and it would make it harder to override inherited permissions or labels. Inheriting any ACL on creating an anonymous file seems utterly wrong. Inheriting on link seems somewhat more sensible and not too bad in terms of code, but very confusing in terms of semantics. I think the best method is to make sure it simply does not inherit any ACL and document that clearly. > (Trying to fake inheritance by reimplementing it in user space seems like > a much worse idea still.) We don't fake inheritance when linking any other file either. And creating a file in a /tmp without any ACL and then linking it into the filesystem already is very common today. From sds@tycho.nsa.gov Wed Apr 16 07:56:14 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id F3A357F56 for ; Wed, 16 Apr 2014 07:56:13 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id AD5FA8F8064 for ; Wed, 16 Apr 2014 05:56:10 -0700 (PDT) X-ASG-Debug-ID: 1397652967-04bdf0455485590001-NocioJ Received: from emvm-gh1-uea09.nsa.gov (emvm-gh1-uea09.nsa.gov [63.239.67.10]) by cuda.sgi.com with ESMTP id bLCvyCZNUfUKAzfu for ; Wed, 16 Apr 2014 05:56:07 -0700 (PDT) X-Barracuda-Envelope-From: sds@tycho.nsa.gov X-Barracuda-Apparent-Source-IP: 63.239.67.10 X-TM-IMSS-Message-ID: Received: from tarius.tycho.ncsc.mil ([144.51.242.1]) by nsa.gov ([63.239.67.10]) with ESMTP (TREND IMSS SMTP Service 7.1; TLSv1/SSLv3 DHE-RSA-AES256-SHA (256/256)) id c32f79180000e06d ; Wed, 16 Apr 2014 08:57:29 -0400 Received: from moss-pluto.infosec.tycho.ncsc.mil (moss-pluto [192.168.25.131]) by tarius.tycho.ncsc.mil (8.14.4/8.14.4) with ESMTP id s3GCskhg032055; Wed, 16 Apr 2014 08:54:57 -0400 Message-ID: <534E7CDA.2060805@tycho.nsa.gov> Date: Wed, 16 Apr 2014 08:51:38 -0400 From: Stephen Smalley Organization: National Security Agency User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.4.0 MIME-Version: 1.0 To: Christoph Hellwig CC: Brian Foster , linux-fsdevel@vger.kernel.org, linux-security-module@vger.kernel.org, xfs@oss.sgi.com, Eric Paris , Paul Moore Subject: Re: [PATCH v3 2/4] xfs: initialize inode security on tmpfile creation References: <1397578706-5385-1-git-send-email-bfoster@redhat.com> <1397578706-5385-3-git-send-email-bfoster@redhat.com> <20140415175033.GB26404@infradead.org> <534D90D0.9090805@tycho.nsa.gov> <20140415202222.GA10928@infradead.org> <534D94E4.8070606@tycho.nsa.gov> X-ASG-Orig-Subj: Re: [PATCH v3 2/4] xfs: initialize inode security on tmpfile creation In-Reply-To: <534D94E4.8070606@tycho.nsa.gov> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Barracuda-Connect: emvm-gh1-uea09.nsa.gov[63.239.67.10] X-Barracuda-Start-Time: 1397652967 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4968 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On 04/15/2014 04:21 PM, Stephen Smalley wrote: > On 04/15/2014 04:22 PM, Christoph Hellwig wrote: >> On Tue, Apr 15, 2014 at 04:04:32PM -0400, Stephen Smalley wrote: >>> Is there a reason that xfs_init_security() isn't called from the inode >>> allocation function (e.g. xfs_ialloc), as in ext4 (__ext4_new_inode >>> calls ext4_init_security and also calls ext4_init_acl)? That would have >>> ensured that tmpfile inodes would have been labeled without requiring a >>> separate change and more generally ensures complete coverage for all inodes. >> >> Really just code structuring - we don't like callouts to high level VFS >> functions from deep down in the guts of the filesystem. >> >>> For SELinux, we need the tmpfile inodes to be labeled at creation time, >>> not just if linked into the namespace, since they may be shared via >>> local socket IPC or inherited across a label-changing exec and since we >>> revalidate access on transfer or use. >>> >>> Labeling based on the provided directory could be a bit random, although >>> it will work out with current policy if the provided directory >>> corresponds to existing tmpfile locations (e.g. /tmp, /var/tmp) and >>> therefore already has a label associated with temporary files. >>> Otherwise we might want some indication that it is a tmpfile passed into >>> security_inode_init_security() so that we can always select a stable >>> label irrespective of the directory. >> >> Just check for I_LINKABLE in i_flags. > > Thanks, that should allow us to handle it cleanly in the security modules! Maybe I spoke too soon. IIUC, I_LINKABLE doesn't necessarily distinguish tmpfiles from other files, as some tmpfiles may be linkable and others not. But what we want is a way to identify all tmpfiles when security_inode_init_security() is called if we are going to label them independently of the provided dir. Also, in that situation, we would need to likewise distinguish them during the create-time checking, i.e. when security_inode_create() is called (from may_o_create), as we have to determine the label that will be applied at that point for permission checking. And there we do not have the inode yet so we do not even have I_LINKABLE as a distinguisher. So I think we need __O_TMPFILE or similar flag passed down to may_o_create() -> security_inode_create() and to security_inode_init_security() if we are going to label these files independently of the provided directory. From davem@davemloft.net Wed Apr 16 08:00:09 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id C4EE77F37 for ; Wed, 16 Apr 2014 08:00:09 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 5FCC7AC001 for ; Wed, 16 Apr 2014 06:00:06 -0700 (PDT) X-ASG-Debug-ID: 1397653204-04cb6c243683740001-NocioJ Received: from shards.monkeyblade.net (shards.monkeyblade.net [149.20.54.216]) by cuda.sgi.com with ESMTP id J2prpCbmZ6pGzqfF for ; Wed, 16 Apr 2014 06:00:04 -0700 (PDT) X-Barracuda-Envelope-From: davem@davemloft.net X-Barracuda-Apparent-Source-IP: 149.20.54.216 Received: from localhost (cpe-66-65-72-221.nyc.res.rr.com [66.65.72.221]) (Authenticated sender: davem-davemloft) by shards.monkeyblade.net (Postfix) with ESMTPSA id CF00158835C; Wed, 16 Apr 2014 06:00:03 -0700 (PDT) Date: Wed, 16 Apr 2014 09:00:02 -0400 (EDT) Message-Id: <20140416.090002.2186526865564557549.davem@davemloft.net> To: eric.dumazet@gmail.com Cc: neilb@suse.de, linux-mm@kvack.org, linux-nfs@vger.kernel.org, linux-kernel@vger.kernel.org, xfs@oss.sgi.com, netdev@vger.kernel.org Subject: Re: [PATCH 10/19] NET: set PF_FSTRANS while holding sk_lock From: David Miller X-ASG-Orig-Subj: Re: [PATCH 10/19] NET: set PF_FSTRANS while holding sk_lock In-Reply-To: <1397625226.4222.113.camel@edumazet-glaptop2.roam.corp.google.com> References: <20140416033623.10604.69237.stgit@notabene.brown> <20140416040336.10604.96000.stgit@notabene.brown> <1397625226.4222.113.camel@edumazet-glaptop2.roam.corp.google.com> X-Mailer: Mew version 6.5 on Emacs 24.3 / Mule 6.0 (HANACHIRUSATO) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.5.7 (shards.monkeyblade.net [149.20.54.216]); Wed, 16 Apr 2014 06:00:04 -0700 (PDT) X-Barracuda-Connect: shards.monkeyblade.net[149.20.54.216] X-Barracuda-Start-Time: 1397653204 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.20 X-Barracuda-Spam-Status: No, SCORE=0.20 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, BSF_SC7_SA298e X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4968 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.20 BSF_SC7_SA298e Custom Rule SA298e From: Eric Dumazet Date: Tue, 15 Apr 2014 22:13:46 -0700 > For applications handling millions of sockets, this makes a difference. Indeed, this really is not acceptable. From bfoster@redhat.com Wed Apr 16 08:23:41 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id CA5997F37 for ; Wed, 16 Apr 2014 08:23:39 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id 90127304062 for ; Wed, 16 Apr 2014 06:23:39 -0700 (PDT) X-ASG-Debug-ID: 1397654618-04bdf0455488a90001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id 1QaPKy5cF3fDJRhD for ; Wed, 16 Apr 2014 06:23:38 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx02.intmail.prod.int.phx2.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3GDNb8X026082 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Wed, 16 Apr 2014 09:23:37 -0400 Received: from laptop.bfoster (vpn-63-46.rdu2.redhat.com [10.10.63.46]) by int-mx02.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id s3GDNacd030275; Wed, 16 Apr 2014 09:23:36 -0400 Received: from laptop.bfoster (localhost.localdomain [127.0.0.1]) by laptop.bfoster (Postfix) with ESMTP id 329A4120AC3; Wed, 16 Apr 2014 09:23:36 -0400 (EDT) Received: (from bfoster@localhost) by laptop.bfoster (8.14.7/8.14.7/Submit) id s3GDNYHf004318; Wed, 16 Apr 2014 09:23:34 -0400 X-Authentication-Warning: laptop.bfoster: bfoster set sender to bfoster@redhat.com using -f Date: Wed, 16 Apr 2014 09:23:34 -0400 From: Brian Foster To: Dave Chinner Cc: xfs@oss.sgi.com Subject: Re: [PATCH 7/9] repair: remove more dirv1 leftovers Message-ID: <20140416132332.GA4180@laptop.bfoster> X-ASG-Orig-Subj: Re: [PATCH 7/9] repair: remove more dirv1 leftovers References: <1397550301-31883-1-git-send-email-david@fromorbit.com> <1397550301-31883-8-git-send-email-david@fromorbit.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1397550301-31883-8-git-send-email-david@fromorbit.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-Scanned-By: MIMEDefang 2.67 on 10.5.11.12 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1397654618 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Tue, Apr 15, 2014 at 06:24:59PM +1000, Dave Chinner wrote: > From: Dave Chinner > > get_bmapi() and it's children were only called by dirv1 code. There > are no current callers, so remove them. > > Signed-off-by: Dave Chinner > --- > repair/dinode.c | 239 -------------------------------------------------------- > repair/dinode.h | 6 -- > 2 files changed, 245 deletions(-) > > diff --git a/repair/dinode.c b/repair/dinode.c > index 48f17ac..b086bec 100644 > --- a/repair/dinode.c > +++ b/repair/dinode.c ... > -xfs_dfsbno_t > -get_bmapi(xfs_mount_t *mp, xfs_dinode_t *dino_p, > - xfs_ino_t ino_num, xfs_dfiloff_t bno, int whichfork) > -{ > - xfs_dfsbno_t fsbno; > - > - switch (XFS_DFORK_FORMAT(dino_p, whichfork)) { > - case XFS_DINODE_FMT_EXTENTS: > - fsbno = getfunc_extlist(mp, ino_num, dino_p, bno, whichfork); > - break; > - case XFS_DINODE_FMT_BTREE: > - fsbno = getfunc_btree(mp, ino_num, dino_p, bno, whichfork); > - break; > - case XFS_DINODE_FMT_LOCAL: > - do_error(_("get_bmapi() called for local inode %" PRIu64 "\n"), > - ino_num); I'm not quite familiar with how we manage the .po translation files, but FYI this string appears in a couple of them. Not sure whether there is value in keeping the translation around. The string does include the specific function name. Brian > - fsbno = NULLDFSBNO; > - break; > - default: > - /* > - * shouldn't happen > - */ > - do_error(_("bad inode format for inode %" PRIu64 "\n"), ino_num); > - fsbno = NULLDFSBNO; > - } > - > - return(fsbno); > -} > - > -/* > * higher level inode processing stuff starts here: > * first, one utility routine for each type of inode > */ > diff --git a/repair/dinode.h b/repair/dinode.h > index 5ee51ca..80f3e4e 100644 > --- a/repair/dinode.h > +++ b/repair/dinode.h > @@ -119,12 +119,6 @@ get_agino_buf(xfs_mount_t *mp, > xfs_agino_t agino, > xfs_dinode_t **dipp); > > -xfs_dfsbno_t > -get_bmapi(xfs_mount_t *mp, > - xfs_dinode_t *dip, > - xfs_ino_t ino_num, > - xfs_dfiloff_t bno, > - int whichfork ); > > void dinode_bmbt_translation_init(void); > char * get_forkname(int whichfork); > -- > 1.9.0 > > _______________________________________________ > xfs mailing list > xfs@oss.sgi.com > http://oss.sgi.com/mailman/listinfo/xfs From bfoster@redhat.com Wed Apr 16 08:24:02 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 2DE4C7F37 for ; Wed, 16 Apr 2014 08:24:02 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id C9FEFAC004 for ; Wed, 16 Apr 2014 06:24:01 -0700 (PDT) X-ASG-Debug-ID: 1397654639-04bdf0455588b50001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id GzhDPUc6618A4eXW for ; Wed, 16 Apr 2014 06:24:00 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx02.intmail.prod.int.phx2.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3GDNxYK030792 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Wed, 16 Apr 2014 09:23:59 -0400 Received: from laptop.bfoster (vpn-63-46.rdu2.redhat.com [10.10.63.46]) by int-mx02.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id s3GDNwIJ030363; Wed, 16 Apr 2014 09:23:58 -0400 Received: from laptop.bfoster (localhost.localdomain [127.0.0.1]) by laptop.bfoster (Postfix) with ESMTP id 3E483120AC3; Wed, 16 Apr 2014 09:23:58 -0400 (EDT) Received: (from bfoster@localhost) by laptop.bfoster (8.14.7/8.14.7/Submit) id s3GDNvUx004327; Wed, 16 Apr 2014 09:23:57 -0400 X-Authentication-Warning: laptop.bfoster: bfoster set sender to bfoster@redhat.com using -f Date: Wed, 16 Apr 2014 09:23:56 -0400 From: Brian Foster To: Dave Chinner Cc: xfs@oss.sgi.com Subject: Re: [PATCH 8/9] repair: handle remote sylmlink CRC errors Message-ID: <20140416132356.GB4180@laptop.bfoster> X-ASG-Orig-Subj: Re: [PATCH 8/9] repair: handle remote sylmlink CRC errors References: <1397550301-31883-1-git-send-email-david@fromorbit.com> <1397550301-31883-9-git-send-email-david@fromorbit.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1397550301-31883-9-git-send-email-david@fromorbit.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-Scanned-By: MIMEDefang 2.67 on 10.5.11.12 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1397654640 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Tue, Apr 15, 2014 at 06:25:00PM +1000, Dave Chinner wrote: > From: Dave Chinner > Just a couple nits... otherwise it looks good to me. There's a typo in the patch subject... > We can't really repair broken symlink buffer contents, but we can at > least warn about it and correct the CRC error so the symlink is > again readable. > > Signed-off-by: Dave Chinner > --- > repair/dinode.c | 12 +++++++++++- > 1 file changed, 11 insertions(+), 1 deletion(-) > > diff --git a/repair/dinode.c b/repair/dinode.c > index b086bec..51863c4 100644 > --- a/repair/dinode.c > +++ b/repair/dinode.c > @@ -1254,6 +1254,7 @@ process_symlink_remote( > while (pathlen > 0) { > int blk_cnt = 1; > int byte_cnt; > + int dirty = 0; > > fsbno = blkmap_get(blkmap, i); > if (fsbno == NULLDFSBNO) { > @@ -1284,6 +1285,12 @@ _("cannot read inode %" PRIu64 ", file block %d, disk block %" PRIu64 "\n"), > lino, i, fsbno); > return 1; > } > + if (bp->b_error == EFSBADCRC) { > + do_warn( > +_("Bad symlink buffer CRC block %" PRIu64 ", inode %" PRIu64 ".\n" "Bad symlink buffer CRC, block ..." ... and sticking a comma or some separator in that message makes it a little easier to read, IMO. Brian > + "Correcting CRC, but symlink may be bad.\n"), fsbno, lino); > + dirty = 1; > + } > > byte_cnt = XFS_SYMLINK_BUF_SPACE(mp, byte_cnt); > byte_cnt = MIN(pathlen, byte_cnt); > @@ -1307,7 +1314,10 @@ _("bad symlink header ino %" PRIu64 ", file block %d, disk block %" PRIu64 "\n") > offset += byte_cnt; > i++; > > - libxfs_putbuf(bp); > + if (dirty) > + libxfs_writebuf(bp, 0); > + else > + libxfs_putbuf(bp); > } > return 0; > } > -- > 1.9.0 > > _______________________________________________ > xfs mailing list > xfs@oss.sgi.com > http://oss.sgi.com/mailman/listinfo/xfs From bfoster@redhat.com Wed Apr 16 08:25:12 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 23FCE7F37 for ; Wed, 16 Apr 2014 08:25:12 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id D19EE8F8066 for ; Wed, 16 Apr 2014 06:25:08 -0700 (PDT) X-ASG-Debug-ID: 1397654707-04bdf0455588df0001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id WavtcbLCpbDpFShA for ; Wed, 16 Apr 2014 06:25:07 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx09.intmail.prod.int.phx2.redhat.com (int-mx09.intmail.prod.int.phx2.redhat.com [10.5.11.22]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3GDP6Wp023595 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 16 Apr 2014 09:25:06 -0400 Received: from laptop.bfoster (vpn-63-46.rdu2.redhat.com [10.10.63.46]) by int-mx09.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s3GDP5jt023579; Wed, 16 Apr 2014 09:25:06 -0400 Received: from laptop.bfoster (localhost.localdomain [127.0.0.1]) by laptop.bfoster (Postfix) with ESMTP id 6A3D5120AC3; Wed, 16 Apr 2014 09:25:05 -0400 (EDT) Received: (from bfoster@localhost) by laptop.bfoster (8.14.7/8.14.7/Submit) id s3GDP4YD004330; Wed, 16 Apr 2014 09:25:04 -0400 X-Authentication-Warning: laptop.bfoster: bfoster set sender to bfoster@redhat.com using -f Date: Wed, 16 Apr 2014 09:25:04 -0400 From: Brian Foster To: Dave Chinner Cc: xfs@oss.sgi.com Subject: Re: [PATCH 9/9] repair: detect and handle attribute tree CRC errors Message-ID: <20140416132503.GC4180@laptop.bfoster> X-ASG-Orig-Subj: Re: [PATCH 9/9] repair: detect and handle attribute tree CRC errors References: <1397550301-31883-1-git-send-email-david@fromorbit.com> <1397550301-31883-10-git-send-email-david@fromorbit.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1397550301-31883-10-git-send-email-david@fromorbit.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-Scanned-By: MIMEDefang 2.68 on 10.5.11.22 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1397654707 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Tue, Apr 15, 2014 at 06:25:01PM +1000, Dave Chinner wrote: > From: Dave Chinner > > Currently the attribute code will not detect and correct errors in > the attribute tree. It also fails to validate the CRCs and headers > on remote attribute blocks. Ensure that all the attribute blocks are > CRC checked and that the processing functions understand the correct > block formats for decoding. > > Signed-off-by: Dave Chinner > --- > repair/attr_repair.c | 35 ++++++++++++++++++++++++++++------- > 1 file changed, 28 insertions(+), 7 deletions(-) > > diff --git a/repair/attr_repair.c b/repair/attr_repair.c > index ba85ac2..13ec90e 100644 > --- a/repair/attr_repair.c > +++ b/repair/attr_repair.c > @@ -611,6 +611,8 @@ verify_da_path(xfs_mount_t *mp, > ASSERT(cursor->level[this_level].dirty == 0 || > (cursor->level[this_level].dirty && !no_modify)); > > + if (bp->b_error == EFSBADCRC) > + cursor->level[this_level].dirty++; I was wondering why this wasn't checked closer to the readbuf call, then I noticed the assert. Any reason not to be consistent with the other changes, move this up closer to the call and nuke the assert? > if (cursor->level[this_level].dirty && !no_modify) > libxfs_writebuf(cursor->level[this_level].bp, 0); > else > @@ -974,6 +976,10 @@ rmtval_get(xfs_mount_t *mp, xfs_ino_t ino, blkmap_t *blkmap, > xfs_dfsbno_t bno; > xfs_buf_t *bp; > int clearit = 0, i = 0, length = 0, amountdone = 0; > + int hdrsize = 0; > + > + if (xfs_sb_version_hascrc(&mp->m_sb)) > + hdrsize = sizeof(struct xfs_attr3_rmt_hdr); > > /* ASSUMPTION: valuelen is a valid number, so use it for looping */ > /* Note that valuelen is not a multiple of blocksize */ > @@ -986,16 +992,26 @@ rmtval_get(xfs_mount_t *mp, xfs_ino_t ino, blkmap_t *blkmap, > break; > } > bp = libxfs_readbuf(mp->m_dev, XFS_FSB_TO_DADDR(mp, bno), > - XFS_FSB_TO_BB(mp, 1), 0, NULL); > + XFS_FSB_TO_BB(mp, 1), 0, > + &xfs_attr3_rmt_buf_ops); > if (!bp) { > do_warn( > _("can't read remote block for attributes of inode %" PRIu64 "\n"), ino); > clearit = 1; > break; > } > + > + if (bp->b_error == EFSBADCRC || bp->b_error == EFSCORRUPTED) { > + do_warn( > + _("Corrupt remote block for attributes of inode %" PRIu64 "\n"), ino); > + clearit = 1; > + break; > + } > + > ASSERT(mp->m_sb.sb_blocksize == XFS_BUF_COUNT(bp)); > - length = MIN(XFS_BUF_COUNT(bp), valuelen - amountdone); > - memmove(value, XFS_BUF_PTR(bp), length); > + > + length = MIN(XFS_BUF_COUNT(bp) - hdrsize, valuelen - amountdone); > + memmove(value, XFS_BUF_PTR(bp) + hdrsize, length); > amountdone += length; > value += length; > i++; > @@ -1320,13 +1336,16 @@ process_leaf_attr_level(xfs_mount_t *mp, > } > > bp = libxfs_readbuf(mp->m_dev, XFS_FSB_TO_DADDR(mp, dev_bno), > - XFS_FSB_TO_BB(mp, 1), 0, NULL); > + XFS_FSB_TO_BB(mp, 1), 0, > + &xfs_attr3_leaf_buf_ops); > if (!bp) { > do_warn( > _("can't read file block %u (fsbno %" PRIu64 ") for attribute fork of inode %" PRIu64 "\n"), > da_bno, dev_bno, ino); > goto error_out; > } > + if (bp->b_error == EFSBADCRC) > + repair++; Could you remind me why we only check EFSBADCRC in some places and EFSCORRUPTED as well in others? > > leaf = bp->b_addr; > xfs_attr3_leaf_hdr_from_disk(&leafhdr, leaf); > @@ -1382,9 +1401,9 @@ process_leaf_attr_level(xfs_mount_t *mp, > > current_hashval = greatest_hashval; > > - if (repair && !no_modify) > + if (repair && !no_modify) > libxfs_writebuf(bp, 0); > - else > + else > libxfs_putbuf(bp); > } while (da_bno != 0); > > @@ -1512,6 +1531,8 @@ process_longform_attr( > ino); > return(1); > } > + if (bp->b_error == EFSBADCRC) > + (*repair)++; Note that repair is unconditionally reset to 0 at the beginning of process_leaf_attr_block() (in the XFS_ATTR_LEAF_MAGIC case further down this function). Brian > > /* verify leaf block */ > leaf = (xfs_attr_leafblock_t *)XFS_BUF_PTR(bp); > @@ -1555,7 +1576,7 @@ process_longform_attr( > case XFS_DA_NODE_MAGIC: /* btree-form attribute */ > case XFS_DA3_NODE_MAGIC: > /* must do this now, to release block 0 before the traversal */ > - if (repairlinks) { > + if (*repair || repairlinks) { > *repair = 1; > libxfs_writebuf(bp, 0); > } else > -- > 1.9.0 > > _______________________________________________ > xfs mailing list > xfs@oss.sgi.com > http://oss.sgi.com/mailman/listinfo/xfs From fdmanana@gmail.com Wed Apr 16 09:01:34 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=FREEMAIL_FROM,T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id F40D629DF9 for ; Wed, 16 Apr 2014 09:01:33 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 6C9BBAC002 for ; Wed, 16 Apr 2014 07:01:30 -0700 (PDT) X-ASG-Debug-ID: 1397656887-04cbb06e9c8b500001-NocioJ Received: from mail-we0-f177.google.com (mail-we0-f177.google.com [74.125.82.177]) by cuda.sgi.com with ESMTP id Kwatt4SK2GhzV4Tn (version=TLSv1 cipher=RC4-SHA bits=128 verify=NO) for ; Wed, 16 Apr 2014 07:01:28 -0700 (PDT) X-Barracuda-Envelope-From: fdmanana@gmail.com X-Barracuda-Apparent-Source-IP: 74.125.82.177 Received: by mail-we0-f177.google.com with SMTP id u57so10952651wes.36 for ; Wed, 16 Apr 2014 07:01:26 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=U7YXgssESJ46C9XxdygTTZJs4iTdeq2FQ3rDmhVlpSQ=; b=od66bsI8ID1NnB5XTgQnDhe3WeP/NVjuND3Uz+EWGKZnwJQPqOKkHE8UuVEenmoMog 6cldyrFz0N6eOp8/4soWc1tnbsTWwH5LxGTCr3Y/8NC//LeG2gcIMGSGUDihTB4o9fLc rb78fwjtD7EOOoYwnNJXi+GA4mTCnpUCmfeWCmtiytqrovxkS1AiBJGZ4QZANJEBoJgL BmqamtKwKiuQXyA36Fo1smTgAmxM7MhfDWSOMCdW2r31z+uMzZGa2Ck7Sw+ahzBhdoSp +fRD2b/DWTF2TRORiWrcR1hHQAVrQ/m/fdxtdIRm0oDA1vg1pA0G1LIRMUQvcAZAkf0Q 5SOQ== X-Received: by 10.180.98.1 with SMTP id ee1mr19853693wib.10.1397656886798; Wed, 16 Apr 2014 07:01:26 -0700 (PDT) Received: from debian-vm3.lan (bl10-198-83.dsl.telepac.pt. [85.243.198.83]) by mx.google.com with ESMTPSA id ct2sm34478575wjb.33.2014.04.16.07.01.25 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Wed, 16 Apr 2014 07:01:25 -0700 (PDT) From: Filipe David Borba Manana To: xfs@oss.sgi.com Cc: linux-btrfs@vger.kernel.org, jbacik@fb.com, Filipe David Borba Manana Subject: [PATCH v2] xfstests: btrfs, test send's ability to punch holes and prealloc extents Date: Wed, 16 Apr 2014 16:01:49 +0100 X-ASG-Orig-Subj: [PATCH v2] xfstests: btrfs, test send's ability to punch holes and prealloc extents Message-Id: <1397660509-8237-1-git-send-email-fdmanana@gmail.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1397580201-27475-1-git-send-email-fdmanana@gmail.com> References: <1397580201-27475-1-git-send-email-fdmanana@gmail.com> X-Barracuda-Connect: mail-we0-f177.google.com[74.125.82.177] X-Barracuda-Start-Time: 1397656887 X-Barracuda-Encrypted: RC4-SHA X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=DKIM_SIGNED, DKIM_VERIFIED X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4969 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- -0.00 DKIM_VERIFIED Domain Keys Identified Mail: signature passes verification 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature This test verifies that after an incremental btrfs send the replicated file has the same exact hole and data structure as in the origin filesystem. This didn't use to be the case before the send stream version 2 - holes were sent as write operations of 0 valued bytes instead of punching holes with the fallocate system call, and pre-allocated extents were sent as well as write operations of 0 valued bytes instead of intructions for the receiver to use the fallocate system call. It also checks that prealloc extents that lie beyond the file's size are replicated by an incremental send. Signed-off-by: Filipe David Borba Manana --- V2: Addressed Dave's comments, and updated btrfs send invocation, by specifying the new command line option (-a) that enables use of fallocate - added function _require_btrfs_send_fallocate_flag() to skip the test when an old version of btrfs-progs is found. common/rc | 9 ++++ tests/btrfs/047 | 121 ++++++++++++++++++++++++++++++++++++++++++++++++++++ tests/btrfs/047.out | 27 ++++++++++++ tests/btrfs/group | 1 + 4 files changed, 158 insertions(+) create mode 100755 tests/btrfs/047 create mode 100644 tests/btrfs/047.out diff --git a/common/rc b/common/rc index acf419b..e94e51c 100644 --- a/common/rc +++ b/common/rc @@ -2262,6 +2262,15 @@ _run_btrfs_util_prog() run_check $BTRFS_UTIL_PROG $* } +_require_btrfs_send_fallocate_flag() +{ + $BTRFS_UTIL_PROG send 2>&1 | \ + grep '^[ \t]*\-a[ \t]\+.* fallocate ' > /dev/null 2>&1 + if [ $? -ne 0 ]; then + _notrun "Missing btrfs-progs send -a command line option, skipped this test" + fi +} + init_rc() { if [ "$iam" == new ] diff --git a/tests/btrfs/047 b/tests/btrfs/047 new file mode 100755 index 0000000..c8171a5 --- /dev/null +++ b/tests/btrfs/047 @@ -0,0 +1,121 @@ +#! /bin/bash +# FS QA Test No. btrfs/047 +# +# Verify that after an incremental btrfs send the replicated file has +# the same exact hole and data structure as in the origin filesystem. +# This didn't use to be the case before the send stream version 2 - +# holes were sent as write operations of 0 valued bytes instead of punching +# holes with the fallocate system call, and pre-allocated extents were sent +# as well as write operations of 0 valued bytes instead of intructions for +# the receiver to use the fallocate system call. Also check that prealloc +# extents that lie beyond the file's size are replicated by an incremental +# send. +# +# More specifically, this structure preserving guarantee was added by the +# following linux kernel commits: +# +# Btrfs: send, use fallocate command to punch holes +# Btrfs: send, use fallocate command to allocate extents +# +#----------------------------------------------------------------------- +# Copyright (c) 2014 Filipe Manana. All Rights Reserved. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it would be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write the Free Software Foundation, +# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +#----------------------------------------------------------------------- +# + +seq=`basename $0` +seqres=$RESULT_DIR/$seq +echo "QA output created by $seq" + +tmp=/tmp/$$ +status=1 # failure is the default! +trap "_cleanup; exit \$status" 0 1 2 3 15 + +_cleanup() +{ + rm -fr $send_files_dir + rm -fr $tmp +} + +# get standard environment, filters and checks +. ./common/rc +. ./common/filter +. ./common/punch + +# real QA test starts here +_supported_fs btrfs +_supported_os Linux +_require_scratch +_require_fssum +_require_xfs_io_fiemap +_require_btrfs_send_fallocate_flag +_need_to_be_root + +send_files_dir=$TEST_DIR/btrfs-test-$seq + +rm -f $seqres.full +rm -fr $send_files_dir +mkdir $send_files_dir + +_scratch_mkfs >/dev/null 2>&1 +_scratch_mount + +$XFS_IO_PROG -f -c "pwrite -S 0x01 -b 300000 0 300000" $SCRATCH_MNT/foo \ + | _filter_xfs_io + +_run_btrfs_util_prog subvolume snapshot -r $SCRATCH_MNT $SCRATCH_MNT/mysnap1 + +$XFS_IO_PROG -c "fpunch 100000 50000" $SCRATCH_MNT/foo +$XFS_IO_PROG -c "falloc 100000 50000" $SCRATCH_MNT/foo +$XFS_IO_PROG -c "pwrite -S 0xff -b 1000 120000 1000" $SCRATCH_MNT/foo \ + | _filter_xfs_io +$XFS_IO_PROG -c "fpunch 250000 20000" $SCRATCH_MNT/foo + +$XFS_IO_PROG -c "falloc -k 300000 1000000" $SCRATCH_MNT/foo +$XFS_IO_PROG -c "falloc -k 9000000 2000000" $SCRATCH_MNT/foo + +_run_btrfs_util_prog subvolume snapshot -r $SCRATCH_MNT $SCRATCH_MNT/mysnap2 + +_run_btrfs_util_prog send -a $SCRATCH_MNT/mysnap1 -f $send_files_dir/1.snap +_run_btrfs_util_prog send -a -p $SCRATCH_MNT/mysnap1 $SCRATCH_MNT/mysnap2 \ + -f $send_files_dir/2.snap + +md5sum $SCRATCH_MNT/mysnap2/foo | _filter_scratch +# List all hole and data segments. +$XFS_IO_PROG -r -c "seek -r -a 0" $SCRATCH_MNT/mysnap2/foo +# List all extents, we're interested here in prealloc extents that lie beyond +# the file's size. +$XFS_IO_PROG -r -c "fiemap -l" $SCRATCH_MNT/mysnap2/foo | _filter_fiemap + +_scratch_unmount +_check_scratch_fs + +_scratch_mkfs >/dev/null 2>&1 +_scratch_mount + +_run_btrfs_util_prog receive $SCRATCH_MNT -f $send_files_dir/1.snap +_run_btrfs_util_prog receive $SCRATCH_MNT -f $send_files_dir/2.snap + +md5sum $SCRATCH_MNT/mysnap2/foo | _filter_scratch +# List all hole and data segments. +$XFS_IO_PROG -r -c "seek -r -a 0" $SCRATCH_MNT/mysnap2/foo +# List all extents, we're interested here in prealloc extents that lie beyond +# the file's size. +$XFS_IO_PROG -r -c "fiemap -l" $SCRATCH_MNT/mysnap2/foo | _filter_fiemap + +_check_scratch_fs + +status=0 +exit diff --git a/tests/btrfs/047.out b/tests/btrfs/047.out new file mode 100644 index 0000000..f298b58 --- /dev/null +++ b/tests/btrfs/047.out @@ -0,0 +1,27 @@ +QA output created by 047 +wrote 300000/300000 bytes at offset 0 +XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) +wrote 1000/1000 bytes at offset 120000 +XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) +5a88aa0da62c8999c16515050947a70a SCRATCH_MNT/mysnap2/foo +Whence Result +DATA 0 +HOLE 102400 +DATA 118784 +HOLE 122880 +DATA 147456 +HOLE 253952 +DATA 266240 +HOLE 300000 +0: [496..17575]: hole +5a88aa0da62c8999c16515050947a70a SCRATCH_MNT/mysnap2/foo +Whence Result +DATA 0 +HOLE 102400 +DATA 118784 +HOLE 122880 +DATA 147456 +HOLE 253952 +DATA 266240 +HOLE 300000 +0: [496..17575]: hole diff --git a/tests/btrfs/group b/tests/btrfs/group index 3a6d34e..d4e3fc1 100644 --- a/tests/btrfs/group +++ b/tests/btrfs/group @@ -49,3 +49,4 @@ 044 auto quick 045 auto quick 046 auto quick +047 auto quick -- 1.9.1 From fdmanana@gmail.com Wed Apr 16 09:03:52 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=FREEMAIL_FROM,T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 3C0E07F4E for ; 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[85.243.198.83]) by mx.google.com with ESMTPSA id ll1sm34507320wjc.6.2014.04.16.07.03.46 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Wed, 16 Apr 2014 07:03:47 -0700 (PDT) From: Filipe David Borba Manana To: xfs@oss.sgi.com Cc: linux-btrfs@vger.kernel.org, jbacik@fb.com, Filipe David Borba Manana Subject: [PATCH v2] xfstests: btrfs, add test for btrfs properties Date: Wed, 16 Apr 2014 16:04:26 +0100 X-ASG-Orig-Subj: [PATCH v2] xfstests: btrfs, add test for btrfs properties Message-Id: <1397660666-8300-1-git-send-email-fdmanana@gmail.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1397591424-25439-1-git-send-email-fdmanana@gmail.com> References: <1397591424-25439-1-git-send-email-fdmanana@gmail.com> X-Barracuda-Connect: mail-we0-f176.google.com[74.125.82.176] X-Barracuda-Start-Time: 1397657029 X-Barracuda-Encrypted: RC4-SHA X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=DKIM_SIGNED, DKIM_VERIFIED X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4969 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- -0.00 DKIM_VERIFIED Domain Keys Identified Mail: signature passes verification 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature This test case verifies the btrfs properties feature, a new feature introduced in the linux kernel version 3.14. Signed-off-by: Filipe David Borba Manana --- V2: Addressed Dave's comments, removed function to check for existence of the btrfs-progs property command and use instead existing function _require_btrfs which checks if a btrfs-progs command exists and is equivalent to what I had before. tests/btrfs/048 | 220 ++++++++++++++++++++++++++++++++++++++++++++++++++++ tests/btrfs/048.out | 78 +++++++++++++++++++ tests/btrfs/group | 1 + 3 files changed, 299 insertions(+) create mode 100755 tests/btrfs/048 create mode 100644 tests/btrfs/048.out diff --git a/tests/btrfs/048 b/tests/btrfs/048 new file mode 100755 index 0000000..e998f97 --- /dev/null +++ b/tests/btrfs/048 @@ -0,0 +1,220 @@ +#! /bin/bash +# FS QA Test No. btrfs/048 +# +# Btrfs properties test. The btrfs properties feature was introduced in the +# linux kernel 3.14. +# +#----------------------------------------------------------------------- +# Copyright (c) 2014 Filipe Manana. All Rights Reserved. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it would be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write the Free Software Foundation, +# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +#----------------------------------------------------------------------- +# + +seq=`basename $0` +seqres=$RESULT_DIR/$seq +echo "QA output created by $seq" + +here=`pwd` +tmp=/tmp/$$ + +status=1 # failure is the default! +trap "_cleanup; exit \$status" 0 1 2 3 15 + +_cleanup() +{ + rm -fr $send_files_dir + rm -fr $tmp +} + +# get standard environment, filters and checks +. ./common/rc +. ./common/filter + +# real QA test starts here +_supported_fs btrfs +_supported_os Linux +_require_scratch +_require_btrfs "property" +_need_to_be_root + +send_files_dir=$TEST_DIR/btrfs-test-$seq + +rm -f $seqres.full +rm -fr $send_files_dir +mkdir $send_files_dir + +_scratch_mkfs >/dev/null 2>&1 +_scratch_mount + +echo "Testing label property" +$BTRFS_UTIL_PROG property get $SCRATCH_MNT label +echo "***" +$BTRFS_UTIL_PROG property set $SCRATCH_MNT label foobar +$BTRFS_UTIL_PROG property get $SCRATCH_MNT label +echo "***" +$BTRFS_UTIL_PROG property get $SCRATCH_MNT +echo "***" +$BTRFS_UTIL_PROG property set $SCRATCH_MNT label '' +$BTRFS_UTIL_PROG property get $SCRATCH_MNT label +echo "***" +mkdir $SCRATCH_MNT/testdir +$BTRFS_UTIL_PROG property get $SCRATCH_MNT/testdir label +echo "***" + +echo -e "\nTesting subvolume ro property" +_run_btrfs_util_prog subvolume create $SCRATCH_MNT/sv1 +$BTRFS_UTIL_PROG property get $SCRATCH_MNT/sv1 ro +echo "***" +$BTRFS_UTIL_PROG property set $SCRATCH_MNT/sv1 ro foo +echo "***" +$BTRFS_UTIL_PROG property set $SCRATCH_MNT/sv1 ro true +echo "***" +$BTRFS_UTIL_PROG property get $SCRATCH_MNT/sv1 ro +echo "***" +touch $SCRATCH_MNT/sv1/foobar 2>&1 | _filter_scratch +echo "***" +$BTRFS_UTIL_PROG property set $SCRATCH_MNT/sv1 ro false +touch $SCRATCH_MNT/sv1/foobar 2>&1 | _filter_scratch +$BTRFS_UTIL_PROG property get $SCRATCH_MNT/sv1 +echo "***" + +echo -e "\nTesting compression property" +mkdir $SCRATCH_MNT/testdir/subdir1 +touch $SCRATCH_MNT/testdir/file1 +$BTRFS_UTIL_PROG property get $SCRATCH_MNT/testdir/file1 compression +$BTRFS_UTIL_PROG property get $SCRATCH_MNT/testdir/subdir1 compression +echo "***" +$BTRFS_UTIL_PROG property set $SCRATCH_MNT/testdir/file1 compression \ + foo 2>&1 | _filter_scratch +echo "***" +$BTRFS_UTIL_PROG property set $SCRATCH_MNT/testdir/file1 compression lzo +$BTRFS_UTIL_PROG property get $SCRATCH_MNT/testdir/file1 compression + +# Verify property was persisted. +_scratch_unmount +_check_scratch_fs +_scratch_mount +$BTRFS_UTIL_PROG property get $SCRATCH_MNT/testdir/file1 compression +$BTRFS_UTIL_PROG property set $SCRATCH_MNT/testdir/file1 compression zlib +$BTRFS_UTIL_PROG property get $SCRATCH_MNT/testdir/file1 compression +$BTRFS_UTIL_PROG property set $SCRATCH_MNT/testdir/file1 compression '' +$BTRFS_UTIL_PROG property get $SCRATCH_MNT/testdir/file1 compression + +# Test compression property inheritance. +echo "***" +$BTRFS_UTIL_PROG property set $SCRATCH_MNT/testdir/subdir1 compression lzo +$BTRFS_UTIL_PROG property get $SCRATCH_MNT/testdir/subdir1 compression +echo "***" +mkdir $SCRATCH_MNT/testdir/subdir1/subsubdir +touch $SCRATCH_MNT/testdir/subdir1/some_file +$BTRFS_UTIL_PROG property get $SCRATCH_MNT/testdir/subdir1/subsubdir compression +echo "***" +$BTRFS_UTIL_PROG property get $SCRATCH_MNT/testdir/subdir1/some_file compression +echo "***" +mkdir $SCRATCH_MNT/testdir/subdir1/subsubdir/foo +$BTRFS_UTIL_PROG property get $SCRATCH_MNT/testdir/subdir1/subsubdir/foo \ + compression +echo "***" + +# Verify property was persisted. +_scratch_unmount +_check_scratch_fs +_scratch_mount +$BTRFS_UTIL_PROG property get $SCRATCH_MNT/testdir/subdir1/subsubdir compression +echo "***" +$BTRFS_UTIL_PROG property get $SCRATCH_MNT/testdir/subdir1/subsubdir/foo \ + compression +echo "***" +$BTRFS_UTIL_PROG property get $SCRATCH_MNT/testdir/subdir1/some_file compression +echo "***" +$BTRFS_UTIL_PROG property set $SCRATCH_MNT/testdir/subdir1/subsubdir \ + compression '' +$BTRFS_UTIL_PROG property set $SCRATCH_MNT/testdir/subdir1/some_file \ + compression '' +$BTRFS_UTIL_PROG property set $SCRATCH_MNT/testdir/subdir1 compression '' +echo "***" +$BTRFS_UTIL_PROG property get $SCRATCH_MNT/testdir/subdir1/subsubdir compression +echo "***" +$BTRFS_UTIL_PROG property get $SCRATCH_MNT/testdir/subdir1/some_file compression +echo "***" +$BTRFS_UTIL_PROG property get $SCRATCH_MNT/testdir/subdir1 compression +echo "***" +touch $SCRATCH_MNT/testdir/subdir1/some_file_2 +$BTRFS_UTIL_PROG property get $SCRATCH_MNT/testdir/subdir1/some_file_2 \ + compression +echo "***" + +# Verify send is able to replicate properties. +echo -e "\nTesting properties with send" +$BTRFS_UTIL_PROG property set $SCRATCH_MNT/testdir/subdir1 compression lzo +touch $SCRATCH_MNT/testdir/subdir1/foobar +$BTRFS_UTIL_PROG property get $SCRATCH_MNT/testdir/subdir1 compression +$BTRFS_UTIL_PROG property get $SCRATCH_MNT/testdir/subdir1/foobar compression +echo "***" + +_run_btrfs_util_prog subvolume snapshot -r $SCRATCH_MNT $SCRATCH_MNT/mysnap1 +touch $SCRATCH_MNT/testdir/subdir1/foobar2 +_run_btrfs_util_prog subvolume snapshot -r $SCRATCH_MNT $SCRATCH_MNT/mysnap2 + +_run_btrfs_util_prog send $SCRATCH_MNT/mysnap1 -f $send_files_dir/1.snap +_run_btrfs_util_prog send -p $SCRATCH_MNT/mysnap1 $SCRATCH_MNT/mysnap2 \ + -f $send_files_dir/2.snap + +_scratch_unmount +_check_scratch_fs +_scratch_mkfs >/dev/null 2>&1 +_scratch_mount + +_run_btrfs_util_prog receive $SCRATCH_MNT -f $send_files_dir/1.snap +_run_btrfs_util_prog receive $SCRATCH_MNT -f $send_files_dir/2.snap +$BTRFS_UTIL_PROG property get $SCRATCH_MNT/mysnap2/testdir/subdir1 compression +$BTRFS_UTIL_PROG property get $SCRATCH_MNT/mysnap2/testdir/subdir1/foobar \ + compression +$BTRFS_UTIL_PROG property get $SCRATCH_MNT/mysnap2/testdir/subdir1/foobar2 \ + compression +echo "***" + +_scratch_unmount +_check_scratch_fs +_scratch_mkfs >/dev/null 2>&1 +_scratch_mount + +echo -e "\nTesting subvolume properties" +$BTRFS_UTIL_PROG property set $SCRATCH_MNT compression 'lzo' +$BTRFS_UTIL_PROG property get $SCRATCH_MNT compression +echo "***" +touch $SCRATCH_MNT/file1 +$BTRFS_UTIL_PROG property get $SCRATCH_MNT/file1 compression +echo "***" +mkdir $SCRATCH_MNT/dir1 +$BTRFS_UTIL_PROG property get $SCRATCH_MNT/dir1 compression +echo "***" +mkdir $SCRATCH_MNT/dir1/subdir1 +$BTRFS_UTIL_PROG property get $SCRATCH_MNT/dir1/subdir1 compression +echo "***" +$BTRFS_UTIL_PROG property set $SCRATCH_MNT/dir1/subdir1 compression 'zlib' +touch $SCRATCH_MNT/dir1/subdir1/foo +$BTRFS_UTIL_PROG property get $SCRATCH_MNT/dir1/subdir1/foo compression + +echo -e "\nTesting subvolume property inheritance" +_run_btrfs_util_prog subvolume create $SCRATCH_MNT/sv1 +$BTRFS_UTIL_PROG property get $SCRATCH_MNT/sv1 compression +touch $SCRATCH_MNT/sv1/file2 +$BTRFS_UTIL_PROG property get $SCRATCH_MNT/sv1/file2 compression + +_check_scratch_fs + +status=0 +exit diff --git a/tests/btrfs/048.out b/tests/btrfs/048.out new file mode 100644 index 0000000..0b20d0b --- /dev/null +++ b/tests/btrfs/048.out @@ -0,0 +1,78 @@ +QA output created by 048 +Testing label property +label= +*** +label=foobar +*** +ro=false +label=foobar +*** +label= +*** +ERROR: object is not compatible with property +*** + +Testing subvolume ro property +ro=false +*** +ERROR: invalid value for property. +*** +*** +ro=true +*** +touch: cannot touch 'SCRATCH_MNT/sv1/foobar': Read-only file system +*** +ro=false +*** + +Testing compression property +*** +ERROR: failed to set compression for SCRATCH_MNT/testdir/file1. Invalid argument +*** +compression=lzo +compression=lzo +compression=zlib +*** +compression=lzo +*** +compression=lzo +*** +compression=lzo +*** +compression=lzo +*** +compression=lzo +*** +compression=lzo +*** +compression=lzo +*** +*** +*** +*** +*** +*** + +Testing properties with send +compression=lzo +compression=lzo +*** +compression=lzo +compression=lzo +compression=lzo +*** + +Testing subvolume properties +compression=lzo +*** +compression=lzo +*** +compression=lzo +*** +compression=lzo +*** +compression=zlib + +Testing subvolume property inheritance +compression=lzo +compression=lzo diff --git a/tests/btrfs/group b/tests/btrfs/group index d4e3fc1..af60c79 100644 --- a/tests/btrfs/group +++ b/tests/btrfs/group @@ -50,3 +50,4 @@ 045 auto quick 046 auto quick 047 auto quick +048 auto quick -- 1.9.1 From BATV+12706adc9b0f362531ed+3888+infradead.org+hch@bombadil.srs.infradead.org Wed Apr 16 09:14:16 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id CB2D77F50 for ; Wed, 16 Apr 2014 09:14:16 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id B2BEF8F804B for ; Wed, 16 Apr 2014 07:14:13 -0700 (PDT) X-ASG-Debug-ID: 1397657651-04cbb06e9c8cde0001-NocioJ Received: from bombadil.infradead.org ([198.137.202.9]) by cuda.sgi.com with ESMTP id AbeoGsZeqNfc2he8 (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Wed, 16 Apr 2014 07:14:12 -0700 (PDT) X-Barracuda-Envelope-From: BATV+12706adc9b0f362531ed+3888+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.80.1 #2 (Red Hat Linux)) id 1WaQbJ-0007BT-LI; Wed, 16 Apr 2014 14:14:09 +0000 Date: Wed, 16 Apr 2014 07:14:09 -0700 From: Christoph Hellwig To: Stephen Smalley Cc: Brian Foster , linux-fsdevel@vger.kernel.org, linux-security-module@vger.kernel.org, xfs@oss.sgi.com, Eric Paris , Paul Moore Subject: Re: [PATCH v3 2/4] xfs: initialize inode security on tmpfile creation Message-ID: <20140416141409.GA21743@infradead.org> X-ASG-Orig-Subj: Re: [PATCH v3 2/4] xfs: initialize inode security on tmpfile creation References: <1397578706-5385-1-git-send-email-bfoster@redhat.com> <1397578706-5385-3-git-send-email-bfoster@redhat.com> <20140415175033.GB26404@infradead.org> <534D90D0.9090805@tycho.nsa.gov> <20140415202222.GA10928@infradead.org> <534D94E4.8070606@tycho.nsa.gov> <534E7CDA.2060805@tycho.nsa.gov> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <534E7CDA.2060805@tycho.nsa.gov> User-Agent: Mutt/1.5.21 (2010-09-15) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html X-Barracuda-Connect: UNKNOWN[198.137.202.9] X-Barracuda-Start-Time: 1397657652 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.10 X-Barracuda-Spam-Status: No, SCORE=0.10 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=RDNS_NONE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4969 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.10 RDNS_NONE Delivered to trusted network by a host with no rDNS On Wed, Apr 16, 2014 at 08:51:38AM -0400, Stephen Smalley wrote: > Maybe I spoke too soon. IIUC, I_LINKABLE doesn't necessarily > distinguish tmpfiles from other files, as some tmpfiles may be linkable > and others not. But what we want is a way to identify all tmpfiles when > security_inode_init_security() is called if we are going to label them > independently of the provided dir. Oh, right. If O_EXCL is specified (another annoying overload of the flag..) the tmpfile can't ever be linked back into the filesystem and thus doesn't have I_LINKABLE set. I guess the best way to fix this is using the magic qstr you suggested before. That means security_inode_init_security would need to be called after d_tmpfile, which most filesystems don't do right now. From sds@tycho.nsa.gov Wed Apr 16 09:18:20 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 36B557F66 for ; Wed, 16 Apr 2014 09:18:20 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id 0F2D0304087 for ; Wed, 16 Apr 2014 07:18:16 -0700 (PDT) X-ASG-Debug-ID: 1397657894-04bdf0455590260001-NocioJ Received: from emvm-gh1-uea09.nsa.gov (emvm-gh1-uea09.nsa.gov [63.239.67.10]) by cuda.sgi.com with ESMTP id GoD7uG8F1I9Rg5bF for ; Wed, 16 Apr 2014 07:18:15 -0700 (PDT) X-Barracuda-Envelope-From: sds@tycho.nsa.gov X-Barracuda-Apparent-Source-IP: 63.239.67.10 X-TM-IMSS-Message-ID: Received: from tarius.tycho.ncsc.mil ([144.51.242.1]) by nsa.gov ([63.239.67.10]) with ESMTP (TREND IMSS SMTP Service 7.1; TLSv1/SSLv3 DHE-RSA-AES256-SHA (256/256)) id c37b2bf40000f7a2 ; Wed, 16 Apr 2014 10:20:10 -0400 Received: from moss-pluto.infosec.tycho.ncsc.mil (moss-pluto [192.168.25.131]) by tarius.tycho.ncsc.mil (8.14.4/8.14.4) with ESMTP id s3GEHQd4006982; Wed, 16 Apr 2014 10:17:36 -0400 Message-ID: <534E903B.7060305@tycho.nsa.gov> Date: Wed, 16 Apr 2014 10:14:19 -0400 From: Stephen Smalley Organization: National Security Agency User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.4.0 MIME-Version: 1.0 To: Christoph Hellwig CC: Brian Foster , linux-fsdevel@vger.kernel.org, linux-security-module@vger.kernel.org, xfs@oss.sgi.com, Eric Paris , Paul Moore Subject: Re: [PATCH v3 2/4] xfs: initialize inode security on tmpfile creation References: <1397578706-5385-1-git-send-email-bfoster@redhat.com> <1397578706-5385-3-git-send-email-bfoster@redhat.com> <20140415175033.GB26404@infradead.org> <534D90D0.9090805@tycho.nsa.gov> <20140415202222.GA10928@infradead.org> <534D94E4.8070606@tycho.nsa.gov> <534E7CDA.2060805@tycho.nsa.gov> <20140416141409.GA21743@infradead.org> X-ASG-Orig-Subj: Re: [PATCH v3 2/4] xfs: initialize inode security on tmpfile creation In-Reply-To: <20140416141409.GA21743@infradead.org> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Barracuda-Connect: emvm-gh1-uea09.nsa.gov[63.239.67.10] X-Barracuda-Start-Time: 1397657894 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4969 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On 04/16/2014 10:14 AM, Christoph Hellwig wrote: > On Wed, Apr 16, 2014 at 08:51:38AM -0400, Stephen Smalley wrote: >> Maybe I spoke too soon. IIUC, I_LINKABLE doesn't necessarily >> distinguish tmpfiles from other files, as some tmpfiles may be linkable >> and others not. But what we want is a way to identify all tmpfiles when >> security_inode_init_security() is called if we are going to label them >> independently of the provided dir. > > Oh, right. If O_EXCL is specified (another annoying overload of the > flag..) the tmpfile can't ever be linked back into the filesystem > and thus doesn't have I_LINKABLE set. > > I guess the best way to fix this is using the magic qstr you suggested > before. That means security_inode_init_security would need to be > called after d_tmpfile, which most filesystems don't do right now. I think one could just pass NULL for the qstr as an indicator, which ext4 already does, so it doesn't require moving after d_tmpfile) IIUC. However, that doesn't solve the problem for security_inode_create(), which also needs to know it is dealing with a tmpfile. So we might want to just pass an explicit flag to both. From BATV+12706adc9b0f362531ed+3888+infradead.org+hch@bombadil.srs.infradead.org Wed Apr 16 09:18:33 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 839687F66 for ; Wed, 16 Apr 2014 09:18:31 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 0CC9AAC001 for ; Wed, 16 Apr 2014 07:18:30 -0700 (PDT) X-ASG-Debug-ID: 1397657908-04cbb06e9b8d700001-NocioJ Received: from bombadil.infradead.org ([198.137.202.9]) by cuda.sgi.com with ESMTP id FNyfcnpJXvb9c9tf (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Wed, 16 Apr 2014 07:18:29 -0700 (PDT) X-Barracuda-Envelope-From: BATV+12706adc9b0f362531ed+3888+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.80.1 #2 (Red Hat Linux)) id 1WaQfR-0001JN-L6; Wed, 16 Apr 2014 14:18:25 +0000 Date: Wed, 16 Apr 2014 07:18:25 -0700 From: Christoph Hellwig To: Dave Chinner Cc: Miklos Szeredi , Miklos Szeredi , xfs@oss.sgi.com Subject: Re: [PATCH 2/4] renameat2 syscall: check plain rename Message-ID: <20140416141825.GA32449@infradead.org> X-ASG-Orig-Subj: Re: [PATCH 2/4] renameat2 syscall: check plain rename References: <1397231517-4641-1-git-send-email-miklos@szeredi.hu> <1397231517-4641-2-git-send-email-miklos@szeredi.hu> <20140414023020.GJ27694@dastard> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140414023020.GJ27694@dastard> User-Agent: Mutt/1.5.21 (2010-09-15) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html X-Barracuda-Connect: UNKNOWN[198.137.202.9] X-Barracuda-Start-Time: 1397657909 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.10 X-Barracuda-Spam-Status: No, SCORE=0.10 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=RDNS_NONE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4969 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.10 RDNS_NONE Delivered to trusted network by a host with no rDNS On Mon, Apr 14, 2014 at 12:30:20PM +1000, Dave Chinner wrote: > IOWs, XFS is returning EEXIST rather than ENOTEMPTY for several of > these rename tests. The rename man page says this about the errors: > > ENOTEMPTY or EEXIST > newpath is a nonempty directory, that is, contains > entries other than "." and "..". > > Which implies that both errors are valid and so the test should pass > in either case. Can you send a patch to handle these > different-but-valid error returns? I would much prefer if all Linux filesystems behaved uniformly here. While EEXIST sounds much more logical to me in this case I suspect most other filesystems have copy & pasted from ext2, and we should switch to ENOTEMPTY as well. From BATV+12706adc9b0f362531ed+3888+infradead.org+hch@bombadil.srs.infradead.org Wed Apr 16 09:27:52 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 268B529DFD for ; Wed, 16 Apr 2014 09:27:52 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id F26848F8033 for ; Wed, 16 Apr 2014 07:27:51 -0700 (PDT) X-ASG-Debug-ID: 1397658469-04bdf0455591620001-NocioJ Received: from bombadil.infradead.org ([198.137.202.9]) by cuda.sgi.com with ESMTP id 84g5UUj4RBHXSHiw (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Wed, 16 Apr 2014 07:27:49 -0700 (PDT) X-Barracuda-Envelope-From: BATV+12706adc9b0f362531ed+3888+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.80.1 #2 (Red Hat Linux)) id 1WaQoW-0002rO-Ci; Wed, 16 Apr 2014 14:27:48 +0000 Date: Wed, 16 Apr 2014 07:27:48 -0700 From: Christoph Hellwig To: Brian Foster Cc: Dave Chinner , bob.mastors@solidfire.com, snitzer@redhat.com, xfs@oss.sgi.com Subject: Re: [PATCH] xfs: unmount does not wait for shutdown during unmount Message-ID: <20140416142748.GB32449@infradead.org> X-ASG-Orig-Subj: Re: [PATCH] xfs: unmount does not wait for shutdown during unmount References: <1397104955-7247-1-git-send-email-david@fromorbit.com> <20140414192824.GC62307@bfoster.bfoster> <20140415021546.GD31578@dastard> <20140415145924.GA3470@laptop.bfoster> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140415145924.GA3470@laptop.bfoster> User-Agent: Mutt/1.5.21 (2010-09-15) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html X-Barracuda-Connect: UNKNOWN[198.137.202.9] X-Barracuda-Start-Time: 1397658469 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.10 X-Barracuda-Spam-Status: No, SCORE=0.10 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=RDNS_NONE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4969 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.10 RDNS_NONE Delivered to trusted network by a host with no rDNS On Tue, Apr 15, 2014 at 10:59:25AM -0400, Brian Foster wrote: > Yeah, I noticed that the completion wouldn't fire as is since it appears > that doesn't occur if a b_iodone call is provided. FWIW, the thought > process was more to inherit the use of b_iowait in xlog_iodone(). That doesn't mean the b_iodone callback couldn't do the wakeup on b_iowait. I have to say it makes me a bit uneasy that we had to find this race the hard way for the superblock, and now for the logbufs again. Seems like all other uncached buffers are only read and written synchronously, so for this should be the last issue, but I fear about new ones showing up in the future and would prefer a more general solution. Reluctantly: Reviewed-by: Christoph Hellwig From fdmanana@gmail.com Wed Apr 16 09:39:23 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=FREEMAIL_FROM,T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id F203D7F5A for ; Wed, 16 Apr 2014 09:39:22 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 6B534AC001 for ; Wed, 16 Apr 2014 07:39:22 -0700 (PDT) X-ASG-Debug-ID: 1397659159-04cbb06e9c8fe80001-NocioJ Received: from mail-lb0-f173.google.com (mail-lb0-f173.google.com [209.85.217.173]) by cuda.sgi.com with ESMTP id vd2DAy18mW88Csf8 (version=TLSv1 cipher=RC4-SHA bits=128 verify=NO) for ; Wed, 16 Apr 2014 07:39:20 -0700 (PDT) X-Barracuda-Envelope-From: fdmanana@gmail.com X-Barracuda-Apparent-Source-IP: 209.85.217.173 X-Barracuda-IPDD: Level1 [gmail.com/209.85.217.173] Received: by mail-lb0-f173.google.com with SMTP id p9so8261241lbv.32 for ; Wed, 16 Apr 2014 07:39:18 -0700 (PDT) X-Barracuda-IPDD: Level1 [gmail.com/209.85.217.173] X-Barracuda-IPDD: Level1 [gmail.com/209.85.217.173] DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:reply-to:in-reply-to:references:date:message-id :subject:from:to:cc:content-type; bh=55S8IIwYMgJqdTGEaanI6sxGgHqDw+nSAaYSht7vVfY=; b=a2oy7Z1TwBKxq8WgO1lRzFtpOTHmLYHiZVSj2xDh+pDcldeKXnmrMGzcgUT9dvVu3F zmby3aFN4P0b3r7v4pij2c/+ZNvSexHyGOewyxUQpU2P1bwcXjMuJsI84majvbZRVuK9 s8f6tXAQQSmpV1HEB7y90U0SwoDFC6j3VQb35GQ1IWd/Q74Zf1XbG+sD6cvz+HfMKnP+ PsYqRjlBgn0WRUyngrV0YonEtXJRfydYoN78mt5oM/JXSDgECAPonXIBXDXUIteNXr6k vhUiZsyhOJHjvO2x1uOnFPtFH5ZFKSjWS1BVaJcaBXfYJICICatmmwoqDJTt/Q9PCpMX J4OQ== MIME-Version: 1.0 X-Received: by 10.152.183.162 with SMTP id en2mr100818lac.76.1397659158638; Wed, 16 Apr 2014 07:39:18 -0700 (PDT) Received: by 10.112.164.231 with HTTP; Wed, 16 Apr 2014 07:39:18 -0700 (PDT) Reply-To: fdmanana@gmail.com In-Reply-To: <20140416002349.GV15995@dastard> References: <1397580201-27475-1-git-send-email-fdmanana@gmail.com> <20140416002349.GV15995@dastard> Date: Wed, 16 Apr 2014 15:39:18 +0100 Message-ID: Subject: Re: [PATCH] xfstests: btrfs, test send's ability to punch holes and prealloc extents From: Filipe David Manana X-ASG-Orig-Subj: Re: [PATCH] xfstests: btrfs, test send's ability to punch holes and prealloc extents To: Dave Chinner Cc: "xfs@oss.sgi.com" , "linux-btrfs@vger.kernel.org" , Josef Bacik Content-Type: text/plain; charset=UTF-8 X-Barracuda-Connect: mail-lb0-f173.google.com[209.85.217.173] X-Barracuda-Start-Time: 1397659159 X-Barracuda-Encrypted: RC4-SHA X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=DKIM_SIGNED, DKIM_VERIFIED X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4969 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- -0.00 DKIM_VERIFIED Domain Keys Identified Mail: signature passes verification 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature On Wed, Apr 16, 2014 at 1:23 AM, Dave Chinner wrote: > On Tue, Apr 15, 2014 at 05:43:21PM +0100, Filipe David Borba Manana wrote: >> This test verifies that after an incremental btrfs send the replicated file has >> the same exact hole and data structure as in the origin filesystem. This didn't >> use to be the case before the send stream version 2 - holes were sent as write >> operations of 0 valued bytes instead of punching holes with the fallocate system >> call, and pre-allocated extents were sent as well as write operations of 0 valued >> bytes instead of intructions for the receiver to use the fallocate system call. >> Also checks that prealloc extents that lie beyond the file's size are replicated >> by an incremental send. > > Can you wrap commit messages at 68 columns? > > .... >> +md5sum $SCRATCH_MNT/mysnap2/foo | _filter_scratch >> +# List all hole and data segments. >> +$XFS_IO_PROG -r -c "seek -r -a 0" $SCRATCH_MNT/mysnap2/foo >> +# List all extents, we're interested here in prealloc extents that lie beyond >> +# the file's size. >> +$XFS_IO_PROG -r -c "fiemap -l" $SCRATCH_MNT/mysnap2/foo | _filter_scratch > > That dumps raw block numbers into the golden output. _filter_fiemap > is probably needed here. Hum, just tried it and uploaded a v2. However I'm now noticing it doesn't do everything I had in mind. _filter_fiemap is not showing the extents falloc -k created, only a collapsed range of holes. So my intention is to verify not just holes, but also the extents created by 'falloc -k'. The following filter I just made locally gives me that: _filter_all_fiemap() { awk --posix ' $3 ~ /hole/ { print $1, $2, $3; next; } $3 ~ /[[:xdigit:]]*..[[:xdigit:]]/ { print $1, $2, "extent"; next; }' } (nicely printed/indented at https://friendpaste.com/1JtG5bts2Sz0LWhUutCpzE, as e-mail is not good for code pasting) Which gives me: 0: [0..191]: extent 1: [192..199]: extent 2: [200..231]: extent 3: [232..239]: extent 4: [240..287]: extent 5: [288..295]: extent 6: [296..487]: extent 7: [488..495]: extent 8: [496..519]: hole 9: [520..527]: extent 10: [528..583]: extent 11: [584..591]: extent 12: [592..2543]: extent 13: [2544..17575]: hole 14: [17576..21487]: extent Versus only (from _filter_fiemap): 0: [496..17575]: hole I couldn't find any existing similar filter. Is it ok to add this new filter? If so, does this name makes sense and does it make sense to add it to common/punch file or some other file? Thanks Dave > >> +md5sum $SCRATCH_MNT/mysnap2/foo | _filter_scratch >> +# List all hole and data segments. >> +$XFS_IO_PROG -r -c "seek -r -a 0" $SCRATCH_MNT/mysnap2/foo >> +# List all extents, we're interested here in prealloc extents that lie beyond >> +# the file's size. >> +$XFS_IO_PROG -r -c "fiemap -l" $SCRATCH_MNT/mysnap2/foo | _filter_scratch > > Same here. > > Cheers, > > Dave. > -- > Dave Chinner > david@fromorbit.com -- Filipe David Manana, "Reasonable men adapt themselves to the world. Unreasonable men adapt the world to themselves. That's why all progress depends on unreasonable men." From jlayton@redhat.com Wed Apr 16 09:42:38 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id B91487F6A for ; Wed, 16 Apr 2014 09:42:38 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id 8EDDD304043 for ; Wed, 16 Apr 2014 07:42:38 -0700 (PDT) X-ASG-Debug-ID: 1397659357-04cbb06e9c90720001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id kEo73fxBru4YMoFW for ; Wed, 16 Apr 2014 07:42:37 -0700 (PDT) X-Barracuda-Envelope-From: jlayton@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx01.intmail.prod.int.phx2.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3GEg97Z031465 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Wed, 16 Apr 2014 10:42:10 -0400 Received: from tlielax.poochiereds.net (vpn-63-49.rdu2.redhat.com [10.10.63.49]) by int-mx01.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id s3GEg8RF013226; Wed, 16 Apr 2014 10:42:08 -0400 Date: Wed, 16 Apr 2014 10:42:07 -0400 From: Jeff Layton To: NeilBrown Cc: linux-mm@kvack.org, linux-nfs@vger.kernel.org, linux-kernel@vger.kernel.org, xfs@oss.sgi.com, Peter Zijlstra , Ingo Molnar , Ming Lei , netdev@vger.kernel.org Subject: Re: [PATCH/RFC 00/19] Support loop-back NFS mounts Message-ID: <20140416104207.75b044e8@tlielax.poochiereds.net> X-ASG-Orig-Subj: Re: [PATCH/RFC 00/19] Support loop-back NFS mounts In-Reply-To: <20140416033623.10604.69237.stgit@notabene.brown> References: <20140416033623.10604.69237.stgit@notabene.brown> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Scanned-By: MIMEDefang 2.67 on 10.5.11.11 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1397659357 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Wed, 16 Apr 2014 14:03:35 +1000 NeilBrown wrote: > Loop-back NFS mounts are when the NFS client and server run on the > same host. > > The use-case for this is a high availability cluster with shared > storage. The shared filesystem is mounted on any one machine and > NFS-mounted on the others. > If the nfs server fails, some other node will take over that service, > and then it will have a loop-back NFS mount which needs to keep > working. > > This patch set addresses the "keep working" bit and specifically > addresses deadlocks and livelocks. > Allowing the fail-over itself to be deadlock free is a separate > challenge for another day. > > The short description of how this works is: > > deadlocks: > - Elevate PF_FSTRANS to apply globally instead of just in NFS and XFS. > PF_FSTRANS disables __GFP_NS in the same way that PF_MEMALLOC_NOIO > disables __GFP_IO. > - Set PF_FSTRANS in nfsd when handling requests related to > memory reclaim, or requests which could block requests related > to memory reclaim. > - Use lockdep to find all consequent deadlocks from some other > thread allocating memory while holding a lock that nfsd might > want. > - Fix those other deadlocks by setting PF_FSTRANS or using GFP_NOFS > as appropriate. > > livelocks: > - identify throttling during reclaim and bypass it when > PF_LESS_THROTTLE is set > - only set PF_LESS_THROTTLE for nfsd when handling write requests > from the local host. > > The last 12 patches address various deadlocks due to locking chains. > 11 were found by lockdep, 2 by testing. There is a reasonable chance > that there are more, I just need to exercise more code while > testing.... > > There is one issue that lockdep reports which I haven't fixed (I've > just hacked the code out for my testing). That issue relates to > freeze_super(). > I may not be interpreting the lockdep reports perfectly, but I think > they are basically saying that if I were to freeze a filesystem that > was exported to the local host, then we could end up deadlocking. > This is to be expected. The NFS filesystem would need to be frozen > first. I don't know how to tell lockdep that I know that is a problem > and I don't want to be warned about it. Suggestions welcome. > Until this is addressed I cannot really ask others to test the code > with lockdep enabled. > > There are more subsidiary places that I needed to add PF_FSTRANS than > I would have liked. The thought keeps crossing my mind that maybe we > can get rid of __GFP_FS and require that memory reclaim never ever > block on a filesystem. Then most of these patches go away. > > Now that writeback doesn't happen from reclaim (but from kswapd) much > of the calls from reclaim to FS are gone. > The ->releasepage call is the only one that I *know* causes me > problems so I'd like to just say that that must never block. I don't > really understand the consequences of that though. > There are a couple of other places where __GFP_FS is used and I'd need > to carefully analyze those. But if someone just said "no, that is > impossible", I could be happy and stick with the current approach.... > > I've cc:ed Peter Zijlstra and Ingo Molnar only on the lockdep-related > patches, Ming Lei only on the PF_MEMALLOC_NOIO related patches, > and net-dev only on the network-related patches. > There are probably other people I should CC. Apologies if I missed you. > I'll ensure better coverage if the nfs/mm/xfs people are reasonably happy. > > Comments, criticisms, etc most welcome. > > Thanks, > NeilBrown > I've only given this a once-over, but the basic concept seems a bit flawed. IIUC, the basic idea is to disallow allocations done in knfsd threads context from doing fs-based reclaim. This seems very heavy-handed, and like it could cause problems on a busy NFS server. Those sorts of servers are likely to have a lot of data in pagecache and thus we generally want to allow them to do do writeback when memory is tight. It's generally acceptable for knfsd to recurse into local filesystem code for writeback. What you want to avoid in this situation is reclaim on NFS filesystems that happen to be from knfsd on the same box. If you really want to fix this, what may make more sense is trying to plumb that information down more granularly. Maybe GFP_NONETFS and/or PF_NETFSTRANS flags? > > --- > > NeilBrown (19): > Promote current_{set,restore}_flags_nested from xfs to global. > lockdep: lockdep_set_current_reclaim_state should save old value > lockdep: improve scenario messages for RECLAIM_FS errors. > Make effect of PF_FSTRANS to disable __GFP_FS universal. > SUNRPC: track whether a request is coming from a loop-back interface. > nfsd: set PF_FSTRANS for nfsd threads. > nfsd and VM: use PF_LESS_THROTTLE to avoid throttle in shrink_inactive_list. > Set PF_FSTRANS while write_cache_pages calls ->writepage > XFS: ensure xfs_file_*_read cannot deadlock in memory allocation. > NET: set PF_FSTRANS while holding sk_lock > FS: set PF_FSTRANS while holding mmap_sem in exec.c > NET: set PF_FSTRANS while holding rtnl_lock > MM: set PF_FSTRANS while allocating per-cpu memory to avoid deadlock. > driver core: set PF_FSTRANS while holding gdp_mutex > nfsd: set PF_FSTRANS when client_mutex is held. > VFS: use GFP_NOFS rather than GFP_KERNEL in __d_alloc. > VFS: set PF_FSTRANS while namespace_sem is held. > nfsd: set PF_FSTRANS during nfsd4_do_callback_rpc. > XFS: set PF_FSTRANS while ilock is held in xfs_free_eofblocks > > > drivers/base/core.c | 3 ++ > drivers/base/power/runtime.c | 6 ++--- > drivers/block/nbd.c | 6 ++--- > drivers/md/dm-bufio.c | 6 ++--- > drivers/md/dm-ioctl.c | 6 ++--- > drivers/mtd/nand/nandsim.c | 28 ++++++--------------- > drivers/scsi/iscsi_tcp.c | 6 ++--- > drivers/usb/core/hub.c | 6 ++--- > fs/dcache.c | 4 ++- > fs/exec.c | 6 +++++ > fs/fs-writeback.c | 5 ++-- > fs/namespace.c | 4 +++ > fs/nfs/file.c | 3 +- > fs/nfsd/nfs4callback.c | 5 ++++ > fs/nfsd/nfs4state.c | 3 ++ > fs/nfsd/nfssvc.c | 24 ++++++++++++++---- > fs/nfsd/vfs.c | 6 +++++ > fs/xfs/kmem.h | 2 -- > fs/xfs/xfs_aops.c | 7 ----- > fs/xfs/xfs_bmap_util.c | 4 +++ > fs/xfs/xfs_file.c | 12 +++++++++ > fs/xfs/xfs_linux.h | 7 ----- > include/linux/lockdep.h | 8 +++--- > include/linux/sched.h | 32 +++++++++--------------- > include/linux/sunrpc/svc.h | 2 ++ > include/linux/sunrpc/svc_xprt.h | 1 + > include/net/sock.h | 1 + > kernel/locking/lockdep.c | 51 ++++++++++++++++++++++++++++----------- > kernel/softirq.c | 6 ++--- > mm/migrate.c | 9 +++---- > mm/page-writeback.c | 3 ++ > mm/page_alloc.c | 18 ++++++++------ > mm/percpu.c | 4 +++ > mm/slab.c | 2 ++ > mm/slob.c | 2 ++ > mm/slub.c | 1 + > mm/vmscan.c | 31 +++++++++++++++--------- > net/core/dev.c | 6 ++--- > net/core/rtnetlink.c | 9 ++++++- > net/core/sock.c | 8 ++++-- > net/sunrpc/sched.c | 5 ++-- > net/sunrpc/svc.c | 6 +++++ > net/sunrpc/svcsock.c | 10 ++++++++ > net/sunrpc/xprtrdma/transport.c | 5 ++-- > net/sunrpc/xprtsock.c | 17 ++++++++----- > 45 files changed, 247 insertions(+), 149 deletions(-) > -- Jeff Layton From jlayton@poochiereds.net Wed Apr 16 09:47:08 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 19AE77F75 for ; Wed, 16 Apr 2014 09:47:08 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id F311F8F804B for ; Wed, 16 Apr 2014 07:47:07 -0700 (PDT) X-ASG-Debug-ID: 1397659625-04cb6c243890bf0001-NocioJ Received: from mail-qa0-f54.google.com (mail-qa0-f54.google.com [209.85.216.54]) by cuda.sgi.com with ESMTP id HnGzPbeHE1auBoe9 (version=TLSv1 cipher=RC4-SHA bits=128 verify=NO) for ; Wed, 16 Apr 2014 07:47:05 -0700 (PDT) X-Barracuda-Envelope-From: jlayton@poochiereds.net X-Barracuda-Apparent-Source-IP: 209.85.216.54 Received: by mail-qa0-f54.google.com with SMTP id w8so10910483qac.27 for ; Wed, 16 Apr 2014 07:47:04 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:date:from:to:cc:subject:message-id:in-reply-to :references:mime-version:content-type:content-transfer-encoding; bh=rDfERvPPoflwP44/Uf/Ph4XN4dJZ/36Epqm1g6y8i/c=; b=hJxgocacYEntEkNmQrgQBQhfdA6L2DD5N/utXbaZST9Q04GVtTHB9AfD25AXQEMK7j fA5mU6Dj5lv9XWrmfkcFvmzFIGOj5Rn2cvP8+MHkhqSQ2KFo4LsXDz3Ij8PhRZAbhJ1j 7GCBcQbKB/9YU2SJPX67nSDVUjk6QAdVka9TQLT5pAH31E/Q2kRtUxZTrJotbuPcANs7 98k+VIlYrmvhs9q3euiCbZioEJiwGr/Gfys4PVR2805cV9R48O4fWL8Tor2ApJdB69pB Im5Wbt7tezzMSCXS51gfsB2/HnS3cPyENwJvIx2evtK/EiaV+lEbYbAwV9k/GYVnlFJr H9kw== X-Gm-Message-State: ALoCoQlQxhqHCuQdPxwC0hNS4HmKqpWjBWS0i/E/UyFfKiN/smsNDu3yhke4/EEey16tUTYt7mAO X-Received: by 10.140.18.175 with SMTP id 44mr2876333qgf.105.1397659624764; Wed, 16 Apr 2014 07:47:04 -0700 (PDT) Received: from tlielax.poochiereds.net ([2001:470:8:d63:3a60:77ff:fe93:a95d]) by mx.google.com with ESMTPSA id 21sm28874874qgh.23.2014.04.16.07.47.04 for (version=SSLv3 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Wed, 16 Apr 2014 07:47:04 -0700 (PDT) Date: Wed, 16 Apr 2014 10:47:02 -0400 From: Jeff Layton To: NeilBrown Cc: linux-mm@kvack.org, linux-nfs@vger.kernel.org, linux-kernel@vger.kernel.org, xfs@oss.sgi.com, netdev@vger.kernel.org Subject: Re: [PATCH 05/19] SUNRPC: track whether a request is coming from a loop-back interface. Message-ID: <20140416104702.264cde48@tlielax.poochiereds.net> X-ASG-Orig-Subj: Re: [PATCH 05/19] SUNRPC: track whether a request is coming from a loop-back interface. In-Reply-To: <20140416040336.10604.14822.stgit@notabene.brown> References: <20140416033623.10604.69237.stgit@notabene.brown> <20140416040336.10604.14822.stgit@notabene.brown> X-Mailer: Claws Mail 3.9.3 (GTK+ 2.24.22; x86_64-redhat-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Barracuda-Connect: mail-qa0-f54.google.com[209.85.216.54] X-Barracuda-Start-Time: 1397659625 X-Barracuda-Encrypted: RC4-SHA X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4969 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Wed, 16 Apr 2014 14:03:36 +1000 NeilBrown wrote: > If an incoming NFS request is coming from the local host, then > nfsd will need to perform some special handling. So detect that > possibility and make the source visible in rq_local. > > Signed-off-by: NeilBrown > --- > include/linux/sunrpc/svc.h | 1 + > include/linux/sunrpc/svc_xprt.h | 1 + > net/sunrpc/svcsock.c | 10 ++++++++++ > 3 files changed, 12 insertions(+) > > diff --git a/include/linux/sunrpc/svc.h b/include/linux/sunrpc/svc.h > index 04e763221246..a0dbbd1e00e9 100644 > --- a/include/linux/sunrpc/svc.h > +++ b/include/linux/sunrpc/svc.h > @@ -254,6 +254,7 @@ struct svc_rqst { > u32 rq_prot; /* IP protocol */ > unsigned short > rq_secure : 1; /* secure port */ > + unsigned short rq_local : 1; /* local request */ > > void * rq_argp; /* decoded arguments */ > void * rq_resp; /* xdr'd results */ > diff --git a/include/linux/sunrpc/svc_xprt.h b/include/linux/sunrpc/svc_xprt.h > index b05963f09ebf..b99bdfb0fcf9 100644 > --- a/include/linux/sunrpc/svc_xprt.h > +++ b/include/linux/sunrpc/svc_xprt.h > @@ -63,6 +63,7 @@ struct svc_xprt { > #define XPT_DETACHED 10 /* detached from tempsocks list */ > #define XPT_LISTENER 11 /* listening endpoint */ > #define XPT_CACHE_AUTH 12 /* cache auth info */ > +#define XPT_LOCAL 13 /* connection from loopback interface */ > > struct svc_serv *xpt_server; /* service for transport */ > atomic_t xpt_reserved; /* space on outq that is rsvd */ > diff --git a/net/sunrpc/svcsock.c b/net/sunrpc/svcsock.c > index b6e59f0a9475..193115fe968c 100644 > --- a/net/sunrpc/svcsock.c > +++ b/net/sunrpc/svcsock.c > @@ -811,6 +811,7 @@ static struct svc_xprt *svc_tcp_accept(struct svc_xprt *xprt) > struct socket *newsock; > struct svc_sock *newsvsk; > int err, slen; > + struct dst_entry *dst; > RPC_IFDEBUG(char buf[RPC_MAX_ADDRBUFLEN]); > > dprintk("svc: tcp_accept %p sock %p\n", svsk, sock); > @@ -867,6 +868,14 @@ static struct svc_xprt *svc_tcp_accept(struct svc_xprt *xprt) > } > svc_xprt_set_local(&newsvsk->sk_xprt, sin, slen); > > + clear_bit(XPT_LOCAL, &newsvsk->sk_xprt.xpt_flags); > + rcu_read_lock(); > + dst = rcu_dereference(newsock->sk->sk_dst_cache); > + if (dst && dst->dev && > + (dst->dev->features & NETIF_F_LOOPBACK)) > + set_bit(XPT_LOCAL, &newsvsk->sk_xprt.xpt_flags); > + rcu_read_unlock(); > + In the use-case you describe, the client is unlikely to have mounted "localhost", but is more likely to be mounting a floating address in the cluster. Will this flag end up being set in such a situation? It looks like NETIF_F_LOOPBACK isn't set on all adapters -- mostly on "lo" and a few others that support MAC-LOOPBACK. > if (serv->sv_stats) > serv->sv_stats->nettcpconn++; > > @@ -1112,6 +1121,7 @@ static int svc_tcp_recvfrom(struct svc_rqst *rqstp) > > rqstp->rq_xprt_ctxt = NULL; > rqstp->rq_prot = IPPROTO_TCP; > + rqstp->rq_local = !!test_bit(XPT_LOCAL, &svsk->sk_xprt.xpt_flags); > > p = (__be32 *)rqstp->rq_arg.head[0].iov_base; > calldir = p[1]; > > > -- > To unsubscribe from this list: send the line "unsubscribe linux-nfs" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html -- Jeff Layton From Paul.Gortmaker@windriver.com Wed Apr 16 11:09:48 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 32DA429DFD for ; Wed, 16 Apr 2014 11:09:48 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id 1940E304077 for ; Wed, 16 Apr 2014 09:09:44 -0700 (PDT) X-ASG-Debug-ID: 1397664572-04bdf045539e600001-NocioJ Received: from mail.windriver.com (mail.windriver.com [147.11.1.11]) by cuda.sgi.com with ESMTP id mTMCp0YIhg77zK1C (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Wed, 16 Apr 2014 09:09:33 -0700 (PDT) X-Barracuda-Envelope-From: Paul.Gortmaker@windriver.com X-Barracuda-Apparent-Source-IP: 147.11.1.11 Received: from ALA-HCB.corp.ad.wrs.com (ala-hcb.corp.ad.wrs.com [147.11.189.41]) by mail.windriver.com (8.14.5/8.14.5) with ESMTP id s3GG9O55027220 (version=TLSv1/SSLv3 cipher=AES128-SHA bits=128 verify=FAIL); Wed, 16 Apr 2014 09:09:25 -0700 (PDT) Received: from [128.224.56.57] (128.224.56.57) by ALA-HCB.corp.ad.wrs.com (147.11.189.41) with Microsoft SMTP Server id 14.3.169.1; Wed, 16 Apr 2014 09:09:24 -0700 Message-ID: <534EAB41.60901@windriver.com> Date: Wed, 16 Apr 2014 12:09:37 -0400 From: Paul Gortmaker User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.4.0 MIME-Version: 1.0 To: Dave Chinner CC: , "linux-next@vger.kernel.org" Subject: new 64 bit math link fail in xfs in linux-next today Content-Type: text/plain; charset="ISO-8859-1" X-ASG-Orig-Subj: new 64 bit math link fail in xfs in linux-next today Content-Transfer-Encoding: 7bit X-Originating-IP: [128.224.56.57] X-Barracuda-Connect: mail.windriver.com[147.11.1.11] X-Barracuda-Start-Time: 1397664572 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_SA717 X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4971 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_SA717 Custom Rule BSF_SC0_SA717 Hi Dave, Not sure if this has been reported yet, but this new failure showed up in the xtensa link of today's linux-next builds. http://kisskb.ellerman.id.au/kisskb/buildresult/10938384/ Paul. From viro@ftp.linux.org.uk Wed Apr 16 11:37:47 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 65C3D7F61 for ; Wed, 16 Apr 2014 11:37:47 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id 57272304062 for ; Wed, 16 Apr 2014 09:37:47 -0700 (PDT) X-ASG-Debug-ID: 1397666264-04cbb06e9c9dbe0001-NocioJ Received: from ZenIV.linux.org.uk (zeniv.linux.org.uk [195.92.253.2]) by cuda.sgi.com with ESMTP id hOQLax1QNLKd42y6 (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Wed, 16 Apr 2014 09:37:45 -0700 (PDT) X-Barracuda-Envelope-From: viro@ftp.linux.org.uk X-Barracuda-Apparent-Source-IP: 195.92.253.2 Received: from viro by ZenIV.linux.org.uk with local (Exim 4.76 #1 (Red Hat Linux)) id 1WaSqD-0001Fy-G6; Wed, 16 Apr 2014 16:37:41 +0000 Date: Wed, 16 Apr 2014 17:37:41 +0100 From: Al Viro To: NeilBrown Cc: linux-mm@kvack.org, linux-nfs@vger.kernel.org, linux-kernel@vger.kernel.org, xfs@oss.sgi.com Subject: Re: [PATCH 17/19] VFS: set PF_FSTRANS while namespace_sem is held. Message-ID: <20140416163741.GY18016@ZenIV.linux.org.uk> X-ASG-Orig-Subj: Re: [PATCH 17/19] VFS: set PF_FSTRANS while namespace_sem is held. References: <20140416033623.10604.69237.stgit@notabene.brown> <20140416040337.10604.86740.stgit@notabene.brown> <20140416044618.GX18016@ZenIV.linux.org.uk> <20140416155230.4d02e4b9@notabene.brown> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140416155230.4d02e4b9@notabene.brown> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: Al Viro X-Barracuda-Connect: zeniv.linux.org.uk[195.92.253.2] X-Barracuda-Start-Time: 1397666265 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4972 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Wed, Apr 16, 2014 at 03:52:30PM +1000, NeilBrown wrote: > So something like this? I put that in to my testing instead. Something like this, yes... And TBH I would prefer the same approach elsewhere - this kind of hidden state makes it hard to do any kind of analysis. Put it that way - the simplest situation is when the allocation flags depend only on the call site. Next one is when it's a function of call chain - somewhat harder to review. And the worst is when it's a function of previous history of execution - not just the call chain, but the things that had been called (and returned) prior to that one. How many of those locations need to be of the third kind? All fs/namespace.c ones are of the first one... From andreas.gruenbacher@linbit.com Wed Apr 16 12:29:35 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 7EF6F7F61 for ; Wed, 16 Apr 2014 12:29:35 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 720B78F8033 for ; Wed, 16 Apr 2014 10:29:32 -0700 (PDT) X-ASG-Debug-ID: 1397669370-04cb6c2437a3730001-NocioJ Received: from zimbra13.linbit.com (zimbra13.linbit.com [212.69.166.240]) by cuda.sgi.com with ESMTP id FRHEmmxFQSz3Fx8U for ; Wed, 16 Apr 2014 10:29:30 -0700 (PDT) X-Barracuda-Envelope-From: andreas.gruenbacher@linbit.com X-Barracuda-Apparent-Source-IP: 212.69.166.240 Received: from localhost (localhost [127.0.0.1]) by zimbra13.linbit.com (Postfix) with ESMTP id EF7482B4CC7; Wed, 16 Apr 2014 19:29:29 +0200 (CEST) Received: from zimbra13.linbit.com ([127.0.0.1]) by localhost (zimbra13.linbit.com [127.0.0.1]) (amavisd-new, port 10032) with ESMTP id VYuqpixgK8qy; Wed, 16 Apr 2014 19:29:29 +0200 (CEST) Received: from localhost (localhost [127.0.0.1]) by zimbra13.linbit.com (Postfix) with ESMTP id C8C9B2B4CDC; Wed, 16 Apr 2014 19:29:29 +0200 (CEST) X-Virus-Scanned: amavisd-new at linbit.com Received: from zimbra13.linbit.com ([127.0.0.1]) by localhost (zimbra13.linbit.com [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id ot5GrlHsy_8z; Wed, 16 Apr 2014 19:29:29 +0200 (CEST) Received: from zimbra13.linbit.com (zimbra13.linbit.com [212.69.166.240]) by zimbra13.linbit.com (Postfix) with ESMTP id A55E52B4CC7; Wed, 16 Apr 2014 19:29:29 +0200 (CEST) Date: Wed, 16 Apr 2014 19:29:29 +0200 (CEST) From: Andreas Gruenbacher To: Christoph Hellwig Cc: Brian Foster , linux-man@vger.kernel.org, xfs@oss.sgi.com, linux-security-module@vger.kernel.org, Al Viro , linux-fsdevel@vger.kernel.org, linux-ext4@vger.kernel.org Message-ID: <359356562.473582.1397669369258.JavaMail.zimbra@linbit.com> In-Reply-To: <20140416111402.GA32350@infradead.org> References: <1397071311-28371-1-git-send-email-bfoster@redhat.com> <1397071311-28371-2-git-send-email-bfoster@redhat.com> <20140410102421.GA17641@infradead.org> <20140410121947.GA14124@bfoster.bfoster> <20140410122944.GA6579@infradead.org> <20140415175228.GE26404@infradead.org> <1188577823.463241.1397590262478.JavaMail.zimbra@linbit.com> <20140416111402.GA32350@infradead.org> Subject: Re: [PATCH v2 1/2] xfs: fix tmpfile/selinux deadlock and initialize security/acl MIME-Version: 1.0 X-ASG-Orig-Subj: Re: [PATCH v2 1/2] xfs: fix tmpfile/selinux deadlock and initialize security/acl Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-Originating-IP: [178.115.133.221] X-Mailer: Zimbra 8.0.6_GA_5922 (ZimbraWebClient - FF24 (Linux)/8.0.6_GA_5922) Thread-Topic: fix tmpfile/selinux deadlock and initialize security/acl Thread-Index: U3M9y4+uPS+Z7wIWaOE62k1kiPmVWA== X-Barracuda-Connect: zimbra13.linbit.com[212.69.166.240] X-Barracuda-Start-Time: 1397669370 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.02 X-Barracuda-Spam-Status: No, SCORE=0.02 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=THREAD_INDEX, THREAD_TOPIC X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4974 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.01 THREAD_INDEX thread-index: AcO7Y8iR61tzADqsRmmc5wNiFHEOig== 0.01 THREAD_TOPIC Thread-Topic: ...(Japanese Subject)... On Wed, Apr 16, 2014 at 04:14:02AM -0700, Christoph Hellwig wrote: > On Tue, Apr 15, 2014 at 09:31:02PM +0200, Andreas Gruenbacher wrote: > > from how O_TMPFILE is documented right now [*], creating such a file and > > then linking it into the namespace is one of the obvious use cases. > > Btw, I think the man page is wrong - given that the tmpfile is not > visible in the namespace it is obviously not created in the directory. > The directory passed in is just a handle for the filesystem it should be > created in. I don't agree. If the file is created with O_TMPFILE | O_EXCL, it is clear that the file will never be linked into the namespace. Even then, there are operations which are affected by the inode permissions and label of the anonymous file, and those should still behave reasonably. In this context, I would expect them to behave as if the file was actually created in the specified directory, not in the file system root or "nowhere" with no clearly defined permissions and security label. If the file is created without O_EXCL, then it is clear that the file can later become part of the namespace. In that case, I would also expect the file to be initialized in the context of the specified directory. The file can then be filled with data, permissions and other attributes can be changed if desired, and then the anonymous file can be linked into that directory. > Michael, should I send you an update for this, or do you want to do it > yourself as you can probably come up with better language anyway? > > > The > > intent seems to be to make it seem like the file was created and populated > > atomically, possibly with inherited permissions and all. > > I think this > > behavior require that the O_TMPFILE file inherits from the directory it > > was "created" in. > > > > Adding code to achieve the effect of create-time inheritance at link > > time, only for O_TMPFILE files or files without any links, doesn't seem > > reasonable to me: it would duplicate create code in the link code path, > > and it would make it harder to override inherited permissions or labels. > > Inheriting any ACL on creating an anonymous file seems utterly wrong. Why? > Inheriting on link seems somewhat more sensible and not too bad in terms > of code, but very confusing in terms of semantics. I think the best > method is to make sure it simply does not inherit any ACL and document > that clearly. Again, this approach would make it almost impossible to use O_TMPFILE as a way to atomically create and initialize a file with permission and security label inheritance. This would severely limit the usefulness of O_TMPFILE. > > (Trying to fake inheritance by reimplementing it in user space seems like > > a much worse idea still.) > > We don't fake inheritance when linking any other file either. And > creating a file in a /tmp without any ACL and then linking it into the > filesystem already is very common today. Well, creating a file in /tmp and moving it somewhere else often doesn't even work because of file system boundaries, and sometimes it simply is the wrong thing to do: When the intent is to "create a new file in a directory", such as when saving to a new file in an editor, the result should be as if the file was actually created in that directory. Creating the file in /tmp and then moving it to where it should end up is simply wrong. When the intent is to "move a file from here to there", the file should keep all its attributes, including permissions and security label. It should make no difference in result whether the file could actually be moved or if it had to be copied across file system boundaries. Thanks, Andreas From sandeen@sandeen.net Wed Apr 16 12:40:01 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 751DF7F6D for ; Wed, 16 Apr 2014 12:40:01 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 569F68F8064 for ; Wed, 16 Apr 2014 10:40:01 -0700 (PDT) X-ASG-Debug-ID: 1397669999-04cbb06e9aa4890001-NocioJ Received: from sandeen.net (sandeen.net [63.231.237.45]) by cuda.sgi.com with ESMTP id FTPVsBy8Qp3AfIPZ for ; Wed, 16 Apr 2014 10:40:00 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@sandeen.net X-Barracuda-Apparent-Source-IP: 63.231.237.45 Received: from liberator.sandeen.net (liberator.sandeen.net [10.0.0.4]) (using TLSv1 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (No client certificate requested) by sandeen.net (Postfix) with ESMTPSA id C21A963C5FD4 for ; Wed, 16 Apr 2014 12:39:59 -0500 (CDT) Message-ID: <534EC073.8090006@sandeen.net> Date: Wed, 16 Apr 2014 12:40:03 -0500 From: Eric Sandeen User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:24.0) Gecko/20100101 Thunderbird/24.4.0 MIME-Version: 1.0 To: xfs-oss Subject: [PATCH 0/2] xfs: clean up return handling X-Enigmail-Version: 1.6 X-ASG-Orig-Subj: [PATCH 0/2] xfs: clean up return handling Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Barracuda-Connect: sandeen.net[63.231.237.45] X-Barracuda-Start-Time: 1397670000 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4975 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 2 patches here: First of all, "return" is not a function. "return(EIO);" is silly. "return (EIO);" is even sillier. Stop it. Second of all, XFS_ERROR was designed long ago to trap return values, but it's not runtime configurable, it's not consistently used, and we can do the same thing today with systemtap. So nuke that macro, too. This is a *lot* of churn. It'll make merging across this change hard. So we might want to batch this up with another suggestion of Dave's, to migrate all of xfs to the Linux convention of negative error returns everywhere, so we don't have two nasty points to merge across - that'd be fine with me. But anyway, here it is for now. For posterity, the first patch was generated with: perl -p -i -e 's/return \(([a-zA-Z0-9]*?)\)/return $1/g' *.c perl -p -i -e 's/return\(([a-zA-Z0-9]*?)\)/return $1/g' *.c and the 2nd with: perl -p -i -e 's/return\(XFS_ERROR\(([a-zA-Z0-9]*?)\)\)/return XFS_ERROR($1)/g' *.c perl -p -i -e 's/return \(XFS_ERROR\(([a-zA-Z0-9]*?)\)\)/return XFS_ERROR($1)/g' *.c (Yes, I know I could have done it w/ one regexp - so sue me) ;) -Eric From sandeen@sandeen.net Wed Apr 16 12:44:26 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id E14037F75 for ; Wed, 16 Apr 2014 12:44:24 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id D29A9304089 for ; Wed, 16 Apr 2014 10:44:21 -0700 (PDT) X-ASG-Debug-ID: 1397670257-04cb6c2436a51e0001-NocioJ Received: from sandeen.net (sandeen.net [63.231.237.45]) by cuda.sgi.com with ESMTP id HgtCjeBYLd7c9t1t for ; Wed, 16 Apr 2014 10:44:17 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@sandeen.net X-Barracuda-Apparent-Source-IP: 63.231.237.45 Received: from liberator.sandeen.net (liberator.sandeen.net [10.0.0.4]) (using TLSv1 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (No client certificate requested) by sandeen.net (Postfix) with ESMTPSA id 3705363C5FD4 for ; Wed, 16 Apr 2014 12:44:16 -0500 (CDT) Message-ID: <534EC173.7010903@sandeen.net> Date: Wed, 16 Apr 2014 12:44:19 -0500 From: Eric Sandeen User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:24.0) Gecko/20100101 Thunderbird/24.4.0 MIME-Version: 1.0 To: xfs-oss Subject: [PATCH 1/2] xfs: return is not a function References: <534EC073.8090006@sandeen.net> X-ASG-Orig-Subj: [PATCH 1/2] xfs: return is not a function In-Reply-To: <534EC073.8090006@sandeen.net> X-Enigmail-Version: 1.6 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Barracuda-Connect: sandeen.net[63.231.237.45] X-Barracuda-Start-Time: 1397670257 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=INFO_TLD X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4974 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 INFO_TLD URI: Contains an URL in the INFO top-level domain return is not a function. "return(EIO);" is silly; "return (EIO);" moreso. return is not a function. Nuke the pointless parens. Signed-off-by: Eric Sandeen --- diff --git a/fs/xfs/xfs_attr.c b/fs/xfs/xfs_attr.c index 01b6a01..95de302 100644 --- a/fs/xfs/xfs_attr.c +++ b/fs/xfs/xfs_attr.c @@ -151,7 +151,7 @@ xfs_attr_get_int( if (error == EEXIST) error = 0; - return(error); + return error; } int @@ -169,7 +169,7 @@ xfs_attr_get( XFS_STATS_INC(xs_attr_get); if (XFS_FORCED_SHUTDOWN(ip->i_mount)) - return(EIO); + return EIO; error = xfs_attr_name_to_xname(&xname, name); if (error) @@ -178,7 +178,7 @@ xfs_attr_get( lock_mode = xfs_ilock_attr_map_shared(ip); error = xfs_attr_get_int(ip, &xname, value, valuelenp, flags); xfs_iunlock(ip, lock_mode); - return(error); + return error; } /* @@ -254,7 +254,7 @@ xfs_attr_set_int( XFS_ATTR_SF_ENTSIZE_BYNAME(name->len, valuelen); if ((error = xfs_bmap_add_attrfork(dp, sf_size, rsvd))) - return(error); + return error; } /* @@ -303,7 +303,7 @@ xfs_attr_set_int( error = xfs_trans_reserve(args.trans, &tres, args.total, 0); if (error) { xfs_trans_cancel(args.trans, 0); - return(error); + return error; } xfs_ilock(dp, XFS_ILOCK_EXCL); @@ -313,7 +313,7 @@ xfs_attr_set_int( if (error) { xfs_iunlock(dp, XFS_ILOCK_EXCL); xfs_trans_cancel(args.trans, XFS_TRANS_RELEASE_LOG_RES); - return (error); + return error; } xfs_trans_ijoin(args.trans, dp, 0); @@ -426,14 +426,14 @@ xfs_attr_set_int( error = xfs_trans_commit(args.trans, XFS_TRANS_RELEASE_LOG_RES); xfs_iunlock(dp, XFS_ILOCK_EXCL); - return(error); + return error; out: if (args.trans) xfs_trans_cancel(args.trans, XFS_TRANS_RELEASE_LOG_RES|XFS_TRANS_ABORT); xfs_iunlock(dp, XFS_ILOCK_EXCL); - return(error); + return error; } int @@ -450,7 +450,7 @@ xfs_attr_set( XFS_STATS_INC(xs_attr_set); if (XFS_FORCED_SHUTDOWN(dp->i_mount)) - return (EIO); + return EIO; error = xfs_attr_name_to_xname(&xname, name); if (error) @@ -524,7 +524,7 @@ xfs_attr_remove_int(xfs_inode_t *dp, struct xfs_name *name, int flags) XFS_ATTRRM_SPACE_RES(mp), 0); if (error) { xfs_trans_cancel(args.trans, 0); - return(error); + return error; } xfs_ilock(dp, XFS_ILOCK_EXCL); @@ -574,14 +574,14 @@ xfs_attr_remove_int(xfs_inode_t *dp, struct xfs_name *name, int flags) error = xfs_trans_commit(args.trans, XFS_TRANS_RELEASE_LOG_RES); xfs_iunlock(dp, XFS_ILOCK_EXCL); - return(error); + return error; out: if (args.trans) xfs_trans_cancel(args.trans, XFS_TRANS_RELEASE_LOG_RES|XFS_TRANS_ABORT); xfs_iunlock(dp, XFS_ILOCK_EXCL); - return(error); + return error; } int @@ -596,7 +596,7 @@ xfs_attr_remove( XFS_STATS_INC(xs_attr_remove); if (XFS_FORCED_SHUTDOWN(dp->i_mount)) - return (EIO); + return EIO; error = xfs_attr_name_to_xname(&xname, name); if (error) @@ -630,27 +630,27 @@ xfs_attr_shortform_addname(xfs_da_args_t *args) retval = xfs_attr_shortform_lookup(args); if ((args->flags & ATTR_REPLACE) && (retval == ENOATTR)) { - return(retval); + return retval; } else if (retval == EEXIST) { if (args->flags & ATTR_CREATE) - return(retval); + return retval; retval = xfs_attr_shortform_remove(args); ASSERT(retval == 0); } if (args->namelen >= XFS_ATTR_SF_ENTSIZE_MAX || args->valuelen >= XFS_ATTR_SF_ENTSIZE_MAX) - return(XFS_ERROR(ENOSPC)); + return XFS_ERROR(ENOSPC); newsize = XFS_ATTR_SF_TOTSIZE(args->dp); newsize += XFS_ATTR_SF_ENTSIZE_BYNAME(args->namelen, args->valuelen); forkoff = xfs_attr_shortform_bytesfit(args->dp, newsize); if (!forkoff) - return(XFS_ERROR(ENOSPC)); + return XFS_ERROR(ENOSPC); xfs_attr_shortform_add(args, forkoff); - return(0); + return 0; } @@ -726,7 +726,7 @@ xfs_attr_leaf_addname(xfs_da_args_t *args) ASSERT(committed); args->trans = NULL; xfs_bmap_cancel(args->flist); - return(error); + return error; } /* @@ -742,13 +742,13 @@ xfs_attr_leaf_addname(xfs_da_args_t *args) */ error = xfs_trans_roll(&args->trans, dp); if (error) - return (error); + return error; /* * Fob the whole rest of the problem off on the Btree code. */ error = xfs_attr_node_addname(args); - return(error); + return error; } /* @@ -757,7 +757,7 @@ xfs_attr_leaf_addname(xfs_da_args_t *args) */ error = xfs_trans_roll(&args->trans, dp); if (error) - return (error); + return error; /* * If there was an out-of-line value, allocate the blocks we @@ -768,7 +768,7 @@ xfs_attr_leaf_addname(xfs_da_args_t *args) if (args->rmtblkno > 0) { error = xfs_attr_rmtval_set(args); if (error) - return(error); + return error; } /* @@ -784,7 +784,7 @@ xfs_attr_leaf_addname(xfs_da_args_t *args) */ error = xfs_attr3_leaf_flipflags(args); if (error) - return(error); + return error; /* * Dismantle the "old" attribute/value pair by removing @@ -797,7 +797,7 @@ xfs_attr_leaf_addname(xfs_da_args_t *args) if (args->rmtblkno) { error = xfs_attr_rmtval_remove(args); if (error) - return(error); + return error; } /* @@ -827,7 +827,7 @@ xfs_attr_leaf_addname(xfs_da_args_t *args) ASSERT(committed); args->trans = NULL; xfs_bmap_cancel(args->flist); - return(error); + return error; } /* @@ -1107,7 +1107,7 @@ restart: if (args->rmtblkno > 0) { error = xfs_attr_rmtval_set(args); if (error) - return(error); + return error; } /* @@ -1136,7 +1136,7 @@ restart: if (args->rmtblkno) { error = xfs_attr_rmtval_remove(args); if (error) - return(error); + return error; } /* @@ -1211,8 +1211,8 @@ out: if (state) xfs_da_state_free(state); if (error) - return(error); - return(retval); + return error; + return retval; } /* @@ -1376,7 +1376,7 @@ xfs_attr_node_removename(xfs_da_args_t *args) out: xfs_da_state_free(state); - return(error); + return error; } /* @@ -1424,7 +1424,7 @@ xfs_attr_fillstate(xfs_da_state_t *state) } } - return(0); + return 0; } /* @@ -1455,7 +1455,7 @@ xfs_attr_refillstate(xfs_da_state_t *state) blk->blkno, blk->disk_blkno, &blk->bp, XFS_ATTR_FORK); if (error) - return(error); + return error; } else { blk->bp = NULL; } @@ -1474,13 +1474,13 @@ xfs_attr_refillstate(xfs_da_state_t *state) blk->blkno, blk->disk_blkno, &blk->bp, XFS_ATTR_FORK); if (error) - return(error); + return error; } else { blk->bp = NULL; } } - return(0); + return 0; } /* @@ -1536,5 +1536,5 @@ xfs_attr_node_get(xfs_da_args_t *args) } xfs_da_state_free(state); - return(retval); + return retval; } diff --git a/fs/xfs/xfs_attr_inactive.c b/fs/xfs/xfs_attr_inactive.c index 09480c5..b39e588 100644 --- a/fs/xfs/xfs_attr_inactive.c +++ b/fs/xfs/xfs_attr_inactive.c @@ -76,7 +76,7 @@ xfs_attr3_leaf_freextent( error = xfs_bmapi_read(dp, (xfs_fileoff_t)tblkno, tblkcnt, &map, &nmap, XFS_BMAPI_ATTRFORK); if (error) { - return(error); + return error; } ASSERT(nmap == 1); ASSERT(map.br_startblock != DELAYSTARTBLOCK); @@ -102,14 +102,14 @@ xfs_attr3_leaf_freextent( */ error = xfs_trans_roll(trans, dp); if (error) - return (error); + return error; } tblkno += map.br_blockcount; tblkcnt -= map.br_blockcount; } - return(0); + return 0; } /* @@ -256,7 +256,7 @@ xfs_attr3_node_inactive( error = xfs_da3_node_read(*trans, dp, child_fsb, -2, &child_bp, XFS_ATTR_FORK); if (error) - return(error); + return error; if (child_bp) { /* save for re-read later */ child_blkno = XFS_BUF_ADDR(child_bp); @@ -414,7 +414,7 @@ xfs_attr_inactive(xfs_inode_t *dp) error = xfs_trans_reserve(trans, &M_RES(mp)->tr_attrinval, 0, 0); if (error) { xfs_trans_cancel(trans, 0); - return(error); + return error; } xfs_ilock(dp, XFS_ILOCK_EXCL); @@ -443,10 +443,10 @@ xfs_attr_inactive(xfs_inode_t *dp) error = xfs_trans_commit(trans, XFS_TRANS_RELEASE_LOG_RES); xfs_iunlock(dp, XFS_ILOCK_EXCL); - return(error); + return error; out: xfs_trans_cancel(trans, XFS_TRANS_RELEASE_LOG_RES|XFS_TRANS_ABORT); xfs_iunlock(dp, XFS_ILOCK_EXCL); - return(error); + return error; } diff --git a/fs/xfs/xfs_attr_leaf.c b/fs/xfs/xfs_attr_leaf.c index fe9587f..b9d9170 100644 --- a/fs/xfs/xfs_attr_leaf.c +++ b/fs/xfs/xfs_attr_leaf.c @@ -546,7 +546,7 @@ xfs_attr_shortform_remove(xfs_da_args_t *args) break; } if (i == end) - return(XFS_ERROR(ENOATTR)); + return XFS_ERROR(ENOATTR); /* * Fix up the attribute fork data, covering the hole @@ -581,7 +581,7 @@ xfs_attr_shortform_remove(xfs_da_args_t *args) xfs_sbversion_add_attr2(mp, args->trans); - return(0); + return 0; } /* @@ -610,9 +610,9 @@ xfs_attr_shortform_lookup(xfs_da_args_t *args) continue; if (!xfs_attr_namesp_match(args->flags, sfe->flags)) continue; - return(XFS_ERROR(EEXIST)); + return XFS_ERROR(EEXIST); } - return(XFS_ERROR(ENOATTR)); + return XFS_ERROR(ENOATTR); } /* @@ -639,18 +639,18 @@ xfs_attr_shortform_getvalue(xfs_da_args_t *args) continue; if (args->flags & ATTR_KERNOVAL) { args->valuelen = sfe->valuelen; - return(XFS_ERROR(EEXIST)); + return XFS_ERROR(EEXIST); } if (args->valuelen < sfe->valuelen) { args->valuelen = sfe->valuelen; - return(XFS_ERROR(ERANGE)); + return XFS_ERROR(ERANGE); } args->valuelen = sfe->valuelen; memcpy(args->value, &sfe->nameval[args->namelen], args->valuelen); - return(XFS_ERROR(EEXIST)); + return XFS_ERROR(EEXIST); } - return(XFS_ERROR(ENOATTR)); + return XFS_ERROR(ENOATTR); } /* @@ -739,7 +739,7 @@ xfs_attr_shortform_to_leaf(xfs_da_args_t *args) out: kmem_free(tmpbuffer); - return(error); + return error; } /* @@ -767,12 +767,12 @@ xfs_attr_shortform_allfit( if (entry->flags & XFS_ATTR_INCOMPLETE) continue; /* don't copy partial entries */ if (!(entry->flags & XFS_ATTR_LOCAL)) - return(0); + return 0; name_loc = xfs_attr3_leaf_name_local(leaf, i); if (name_loc->namelen >= XFS_ATTR_SF_ENTSIZE_MAX) - return(0); + return 0; if (be16_to_cpu(name_loc->valuelen) >= XFS_ATTR_SF_ENTSIZE_MAX) - return(0); + return 0; bytes += sizeof(struct xfs_attr_sf_entry) - 1 + name_loc->namelen + be16_to_cpu(name_loc->valuelen); @@ -1014,10 +1014,10 @@ xfs_attr3_leaf_split( ASSERT(oldblk->magic == XFS_ATTR_LEAF_MAGIC); error = xfs_da_grow_inode(state->args, &blkno); if (error) - return(error); + return error; error = xfs_attr3_leaf_create(state->args, blkno, &newblk->bp); if (error) - return(error); + return error; newblk->blkno = blkno; newblk->magic = XFS_ATTR_LEAF_MAGIC; @@ -1028,7 +1028,7 @@ xfs_attr3_leaf_split( xfs_attr3_leaf_rebalance(state, oldblk, newblk); error = xfs_da3_blk_link(state, oldblk, newblk); if (error) - return(error); + return error; /* * Save info on "old" attribute for "atomic rename" ops, leaf_add() @@ -1050,7 +1050,7 @@ xfs_attr3_leaf_split( */ oldblk->hashval = xfs_attr_leaf_lasthash(oldblk->bp, NULL); newblk->hashval = xfs_attr_leaf_lasthash(newblk->bp, NULL); - return(error); + return error; } /* @@ -1701,7 +1701,7 @@ xfs_attr3_leaf_toosmall( ichdr.usedbytes; if (bytes > (state->blocksize >> 1)) { *action = 0; /* blk over 50%, don't try to join */ - return(0); + return 0; } /* @@ -1720,7 +1720,7 @@ xfs_attr3_leaf_toosmall( error = xfs_da3_path_shift(state, &state->altpath, forward, 0, &retval); if (error) - return(error); + return error; if (retval) { *action = 0; } else { @@ -1749,7 +1749,7 @@ xfs_attr3_leaf_toosmall( error = xfs_attr3_leaf_read(state->args->trans, state->args->dp, blkno, -1, &bp); if (error) - return(error); + return error; xfs_attr3_leaf_hdr_from_disk(&ichdr2, bp->b_addr); @@ -1765,7 +1765,7 @@ xfs_attr3_leaf_toosmall( } if (i >= 2) { *action = 0; - return(0); + return 0; } /* @@ -1781,13 +1781,13 @@ xfs_attr3_leaf_toosmall( 0, &retval); } if (error) - return(error); + return error; if (retval) { *action = 0; } else { *action = 1; } - return(0); + return 0; } /* @@ -2486,7 +2486,7 @@ xfs_attr3_leaf_clearflag( */ error = xfs_attr3_leaf_read(args->trans, args->dp, args->blkno, -1, &bp); if (error) - return(error); + return error; leaf = bp->b_addr; entry = &xfs_attr3_leaf_entryp(leaf)[args->index]; @@ -2553,7 +2553,7 @@ xfs_attr3_leaf_setflag( */ error = xfs_attr3_leaf_read(args->trans, args->dp, args->blkno, -1, &bp); if (error) - return(error); + return error; leaf = bp->b_addr; #ifdef DEBUG diff --git a/fs/xfs/xfs_attr_list.c b/fs/xfs/xfs_attr_list.c index 01db96f..3e9a65a 100644 --- a/fs/xfs/xfs_attr_list.c +++ b/fs/xfs/xfs_attr_list.c @@ -52,7 +52,7 @@ xfs_attr_shortform_compare(const void *a, const void *b) if (sa->hash < sb->hash) { return(-1); } else if (sa->hash > sb->hash) { - return(1); + return 1; } else { return(sa->entno - sb->entno); } @@ -86,7 +86,7 @@ xfs_attr_shortform_list(xfs_attr_list_context_t *context) sf = (xfs_attr_shortform_t *)dp->i_afp->if_u1.if_data; ASSERT(sf != NULL); if (!sf->hdr.count) - return(0); + return 0; cursor = context->cursor; ASSERT(cursor != NULL); @@ -124,7 +124,7 @@ xfs_attr_shortform_list(xfs_attr_list_context_t *context) sfe = XFS_ATTR_SF_NEXTENTRY(sfe); } trace_xfs_attr_list_sf_all(context); - return(0); + return 0; } /* do no more for a search callback */ @@ -188,7 +188,7 @@ xfs_attr_shortform_list(xfs_attr_list_context_t *context) } if (i == nsbuf) { kmem_free(sbuf); - return(0); + return 0; } /* @@ -213,7 +213,7 @@ xfs_attr_shortform_list(xfs_attr_list_context_t *context) } kmem_free(sbuf); - return(0); + return 0; } STATIC int @@ -244,7 +244,7 @@ xfs_attr_node_list(xfs_attr_list_context_t *context) error = xfs_da3_node_read(NULL, dp, cursor->blkno, -1, &bp, XFS_ATTR_FORK); if ((error != 0) && (error != EFSCORRUPTED)) - return(error); + return error; if (bp) { struct xfs_attr_leaf_entry *entries; @@ -295,7 +295,7 @@ xfs_attr_node_list(xfs_attr_list_context_t *context) cursor->blkno, -1, &bp, XFS_ATTR_FORK); if (error) - return(error); + return error; node = bp->b_addr; magic = be16_to_cpu(node->hdr.info.magic); if (magic == XFS_ATTR_LEAF_MAGIC || @@ -614,7 +614,7 @@ xfs_attr_list( * Validate the cursor. */ if (cursor->pad1 || cursor->pad2) - return(XFS_ERROR(EINVAL)); + return XFS_ERROR(EINVAL); if ((cursor->initted == 0) && (cursor->hashval || cursor->blkno || cursor->offset)) return XFS_ERROR(EINVAL); diff --git a/fs/xfs/xfs_attr_remote.c b/fs/xfs/xfs_attr_remote.c index 6e37823..44a57c8 100644 --- a/fs/xfs/xfs_attr_remote.c +++ b/fs/xfs/xfs_attr_remote.c @@ -448,7 +448,7 @@ xfs_attr_rmtval_set( ASSERT(committed); args->trans = NULL; xfs_bmap_cancel(args->flist); - return(error); + return error; } /* @@ -469,7 +469,7 @@ xfs_attr_rmtval_set( */ error = xfs_trans_roll(&args->trans, dp); if (error) - return (error); + return error; } /* @@ -494,7 +494,7 @@ xfs_attr_rmtval_set( blkcnt, &map, &nmap, XFS_BMAPI_ATTRFORK); if (error) - return(error); + return error; ASSERT(nmap == 1); ASSERT((map.br_startblock != DELAYSTARTBLOCK) && (map.br_startblock != HOLESTARTBLOCK)); @@ -559,7 +559,7 @@ xfs_attr_rmtval_remove( error = xfs_bmapi_read(args->dp, (xfs_fileoff_t)lblkno, blkcnt, &map, &nmap, XFS_BMAPI_ATTRFORK); if (error) - return(error); + return error; ASSERT(nmap == 1); ASSERT((map.br_startblock != DELAYSTARTBLOCK) && (map.br_startblock != HOLESTARTBLOCK)); @@ -618,7 +618,7 @@ xfs_attr_rmtval_remove( */ error = xfs_trans_roll(&args->trans, args->dp); if (error) - return (error); + return error; } - return(0); + return 0; } diff --git a/fs/xfs/xfs_da_btree.c b/fs/xfs/xfs_da_btree.c index 6cc5f67..e0588bd 100644 --- a/fs/xfs/xfs_da_btree.c +++ b/fs/xfs/xfs_da_btree.c @@ -315,7 +315,7 @@ xfs_da3_node_create( error = xfs_da_get_buf(tp, dp, blkno, -1, &bp, whichfork); if (error) - return(error); + return error; bp->b_ops = &xfs_da3_node_buf_ops; xfs_trans_buf_set_type(tp, bp, XFS_BLFT_DA_NODE_BUF); node = bp->b_addr; @@ -337,7 +337,7 @@ xfs_da3_node_create( XFS_DA_LOGRANGE(node, &node->hdr, dp->d_ops->node_hdr_size)); *bpp = bp; - return(0); + return 0; } /* @@ -386,7 +386,7 @@ xfs_da3_split( case XFS_ATTR_LEAF_MAGIC: error = xfs_attr3_leaf_split(state, oldblk, newblk); if ((error != 0) && (error != ENOSPC)) { - return(error); /* GROT: attr is inconsistent */ + return error; /* GROT: attr is inconsistent */ } if (!error) { addblk = newblk; @@ -408,7 +408,7 @@ xfs_da3_split( &state->extrablk); } if (error) - return(error); /* GROT: attr inconsistent */ + return error; /* GROT: attr inconsistent */ addblk = newblk; break; case XFS_DIR2_LEAFN_MAGIC: @@ -422,7 +422,7 @@ xfs_da3_split( max - i, &action); addblk->bp = NULL; if (error) - return(error); /* GROT: dir is inconsistent */ + return error; /* GROT: dir is inconsistent */ /* * Record the newly split block for the next time thru? */ @@ -439,7 +439,7 @@ xfs_da3_split( xfs_da3_fixhashpath(state, &state->path); } if (!addblk) - return(0); + return 0; /* * Split the root node. @@ -449,7 +449,7 @@ xfs_da3_split( error = xfs_da3_root_split(state, oldblk, addblk); if (error) { addblk->bp = NULL; - return(error); /* GROT: dir is inconsistent */ + return error; /* GROT: dir is inconsistent */ } /* @@ -492,7 +492,7 @@ xfs_da3_split( sizeof(node->hdr.info))); } addblk->bp = NULL; - return(0); + return 0; } /* @@ -670,18 +670,18 @@ xfs_da3_node_split( */ error = xfs_da_grow_inode(state->args, &blkno); if (error) - return(error); /* GROT: dir is inconsistent */ + return error; /* GROT: dir is inconsistent */ error = xfs_da3_node_create(state->args, blkno, treelevel, &newblk->bp, state->args->whichfork); if (error) - return(error); /* GROT: dir is inconsistent */ + return error; /* GROT: dir is inconsistent */ newblk->blkno = blkno; newblk->magic = XFS_DA_NODE_MAGIC; xfs_da3_node_rebalance(state, oldblk, newblk); error = xfs_da3_blk_link(state, oldblk, newblk); if (error) - return(error); + return error; *result = 1; } else { *result = 0; @@ -721,7 +721,7 @@ xfs_da3_node_split( } } - return(0); + return 0; } /* @@ -963,9 +963,9 @@ xfs_da3_join( case XFS_ATTR_LEAF_MAGIC: error = xfs_attr3_leaf_toosmall(state, &action); if (error) - return(error); + return error; if (action == 0) - return(0); + return 0; xfs_attr3_leaf_unbalance(state, drop_blk, save_blk); break; case XFS_DIR2_LEAFN_MAGIC: @@ -985,7 +985,7 @@ xfs_da3_join( xfs_da3_fixhashpath(state, &state->path); error = xfs_da3_node_toosmall(state, &action); if (error) - return(error); + return error; if (action == 0) return 0; xfs_da3_node_unbalance(state, drop_blk, save_blk); @@ -995,12 +995,12 @@ xfs_da3_join( error = xfs_da3_blk_unlink(state, drop_blk, save_blk); xfs_da_state_kill_altpath(state); if (error) - return(error); + return error; error = xfs_da_shrink_inode(state->args, drop_blk->blkno, drop_blk->bp); drop_blk->bp = NULL; if (error) - return(error); + return error; } /* * We joined all the way to the top. If it turns out that @@ -1010,7 +1010,7 @@ xfs_da3_join( xfs_da3_node_remove(state, drop_blk); xfs_da3_fixhashpath(state, &state->path); error = xfs_da3_root_join(state, &state->path.blk[0]); - return(error); + return error; } #ifdef DEBUG @@ -1098,7 +1098,7 @@ xfs_da3_root_join( } xfs_trans_log_buf(args->trans, root_blk->bp, 0, state->blocksize - 1); error = xfs_da_shrink_inode(args, child, bp); - return(error); + return error; } /* @@ -1141,7 +1141,7 @@ xfs_da3_node_toosmall( dp->d_ops->node_hdr_from_disk(&nodehdr, node); if (nodehdr.count > (state->node_ents >> 1)) { *action = 0; /* blk over 50%, don't try to join */ - return(0); /* blk over 50%, don't try to join */ + return 0; /* blk over 50%, don't try to join */ } /* @@ -1160,13 +1160,13 @@ xfs_da3_node_toosmall( error = xfs_da3_path_shift(state, &state->altpath, forward, 0, &retval); if (error) - return(error); + return error; if (retval) { *action = 0; } else { *action = 2; } - return(0); + return 0; } /* @@ -1193,7 +1193,7 @@ xfs_da3_node_toosmall( error = xfs_da3_node_read(state->args->trans, dp, blkno, -1, &bp, state->args->whichfork); if (error) - return(error); + return error; node = bp->b_addr; dp->d_ops->node_hdr_from_disk(&thdr, node); @@ -1485,7 +1485,7 @@ xfs_da3_node_lookup_int( if (error) { blk->blkno = 0; state->path.active--; - return(error); + return error; } curr = blk->bp->b_addr; blk->magic = be16_to_cpu(curr->magic); @@ -1585,7 +1585,7 @@ xfs_da3_node_lookup_int( error = xfs_da3_path_shift(state, &state->path, 1, 1, &retval); if (error) - return(error); + return error; if (retval == 0) { continue; } else if (blk->magic == XFS_ATTR_LEAF_MAGIC) { @@ -1596,7 +1596,7 @@ xfs_da3_node_lookup_int( break; } *result = retval; - return(0); + return 0; } /*======================================================================== @@ -1691,7 +1691,7 @@ xfs_da3_blk_link( be32_to_cpu(old_info->back), -1, &bp, args->whichfork); if (error) - return(error); + return error; ASSERT(bp != NULL); tmp_info = bp->b_addr; ASSERT(tmp_info->magic == old_info->magic); @@ -1712,7 +1712,7 @@ xfs_da3_blk_link( be32_to_cpu(old_info->forw), -1, &bp, args->whichfork); if (error) - return(error); + return error; ASSERT(bp != NULL); tmp_info = bp->b_addr; ASSERT(tmp_info->magic == old_info->magic); @@ -1725,7 +1725,7 @@ xfs_da3_blk_link( xfs_trans_log_buf(args->trans, old_blk->bp, 0, sizeof(*tmp_info) - 1); xfs_trans_log_buf(args->trans, new_blk->bp, 0, sizeof(*tmp_info) - 1); - return(0); + return 0; } /* @@ -1771,7 +1771,7 @@ xfs_da3_blk_unlink( be32_to_cpu(drop_info->back), -1, &bp, args->whichfork); if (error) - return(error); + return error; ASSERT(bp != NULL); tmp_info = bp->b_addr; ASSERT(tmp_info->magic == save_info->magic); @@ -1788,7 +1788,7 @@ xfs_da3_blk_unlink( be32_to_cpu(drop_info->forw), -1, &bp, args->whichfork); if (error) - return(error); + return error; ASSERT(bp != NULL); tmp_info = bp->b_addr; ASSERT(tmp_info->magic == save_info->magic); @@ -1800,7 +1800,7 @@ xfs_da3_blk_unlink( } xfs_trans_log_buf(args->trans, save_blk->bp, 0, sizeof(*save_info) - 1); - return(0); + return 0; } /* @@ -1860,7 +1860,7 @@ xfs_da3_path_shift( if (level < 0) { *result = XFS_ERROR(ENOENT); /* we're out of our tree */ ASSERT(args->op_flags & XFS_DA_OP_OKNOENT); - return(0); + return 0; } /* @@ -1882,7 +1882,7 @@ xfs_da3_path_shift( error = xfs_da3_node_read(args->trans, dp, blkno, -1, &blk->bp, args->whichfork); if (error) - return(error); + return error; info = blk->bp->b_addr; ASSERT(info->magic == cpu_to_be16(XFS_DA_NODE_MAGIC) || info->magic == cpu_to_be16(XFS_DA3_NODE_MAGIC) || diff --git a/fs/xfs/xfs_dquot.c b/fs/xfs/xfs_dquot.c index 868b19f..53f6610 100644 --- a/fs/xfs/xfs_dquot.c +++ b/fs/xfs/xfs_dquot.c @@ -327,7 +327,7 @@ xfs_qm_dqalloc( */ if (!xfs_this_quota_on(dqp->q_mount, dqp->dq_flags)) { xfs_iunlock(quotip, XFS_ILOCK_EXCL); - return (ESRCH); + return ESRCH; } xfs_trans_ijoin(tp, quotip, XFS_ILOCK_EXCL); @@ -400,7 +400,7 @@ xfs_qm_dqalloc( error0: xfs_iunlock(quotip, XFS_ILOCK_EXCL); - return (error); + return error; } STATIC int @@ -547,7 +547,7 @@ xfs_qm_dqtobp( *O_bpp = bp; *O_ddpp = bp->b_addr + dqp->q_bufoffset; - return (0); + return 0; } @@ -715,7 +715,7 @@ xfs_qm_dqget( if ((! XFS_IS_UQUOTA_ON(mp) && type == XFS_DQ_USER) || (! XFS_IS_PQUOTA_ON(mp) && type == XFS_DQ_PROJ) || (! XFS_IS_GQUOTA_ON(mp) && type == XFS_DQ_GROUP)) { - return (ESRCH); + return ESRCH; } #ifdef DEBUG @@ -723,7 +723,7 @@ xfs_qm_dqget( if ((xfs_dqerror_target == mp->m_ddev_targp) && (xfs_dqreq_num++ % xfs_dqerror_mod) == 0) { xfs_debug(mp, "Returning error in dqget"); - return (EIO); + return EIO; } } @@ -829,7 +829,7 @@ restart: ASSERT((ip == NULL) || xfs_isilocked(ip, XFS_ILOCK_EXCL)); trace_xfs_dqget_miss(dqp); *O_dqpp = dqp; - return (0); + return 0; } diff --git a/fs/xfs/xfs_inode_fork.c b/fs/xfs/xfs_inode_fork.c index 73514c0..5515f38 100644 --- a/fs/xfs/xfs_inode_fork.c +++ b/fs/xfs/xfs_inode_fork.c @@ -1693,7 +1693,7 @@ xfs_iext_idx_to_irec( } *idxp = page_idx; *erp_idxp = erp_idx; - return(erp); + return erp; } /* diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c index bce53ac..ae82df0 100644 --- a/fs/xfs/xfs_log_recover.c +++ b/fs/xfs/xfs_log_recover.c @@ -2944,7 +2944,7 @@ xlog_recover_quotaoff_pass1( if (qoff_f->qf_flags & XFS_GQUOTA_ACCT) log->l_quotaoffs_flag |= XFS_DQ_GROUP; - return (0); + return 0; } /* @@ -2969,7 +2969,7 @@ xlog_recover_dquot_pass2( * Filesystems are required to send in quota flags at mount time. */ if (mp->m_qflags == 0) - return (0); + return 0; recddq = item->ri_buf[1].i_addr; if (recddq == NULL) { @@ -2988,7 +2988,7 @@ xlog_recover_dquot_pass2( type = recddq->d_flags & (XFS_DQ_USER | XFS_DQ_PROJ | XFS_DQ_GROUP); ASSERT(type); if (log->l_quotaoffs_flag & type) - return (0); + return 0; /* * At this point we know that quota was _not_ turned off. @@ -3559,7 +3559,7 @@ xlog_recover_process_data( /* check the log format matches our own - else we can't recover */ if (xlog_header_check_recover(log->l_mp, rhead)) - return (XFS_ERROR(EIO)); + return XFS_ERROR(EIO); while ((dp < lp) && num_logops) { ASSERT(dp + sizeof(xlog_op_header_t) <= lp); @@ -3570,7 +3570,7 @@ xlog_recover_process_data( xfs_warn(log->l_mp, "%s: bad clientid 0x%x", __func__, ohead->oh_clientid); ASSERT(0); - return (XFS_ERROR(EIO)); + return XFS_ERROR(EIO); } tid = be32_to_cpu(ohead->oh_tid); hash = XLOG_RHASH(tid); @@ -3584,7 +3584,7 @@ xlog_recover_process_data( xfs_warn(log->l_mp, "%s: bad length 0x%x", __func__, be32_to_cpu(ohead->oh_len)); WARN_ON(1); - return (XFS_ERROR(EIO)); + return XFS_ERROR(EIO); } flags = ohead->oh_flags & ~XLOG_END_TRANS; if (flags & XLOG_WAS_CONT_TRANS) @@ -4387,7 +4387,7 @@ xlog_do_recover( * If IO errors happened during recovery, bail out. */ if (XFS_FORCED_SHUTDOWN(log->l_mp)) { - return (EIO); + return EIO; } /* diff --git a/fs/xfs/xfs_qm.c b/fs/xfs/xfs_qm.c index 348e4d2..273ab51 100644 --- a/fs/xfs/xfs_qm.c +++ b/fs/xfs/xfs_qm.c @@ -1634,7 +1634,7 @@ xfs_qm_quotacheck( } } else xfs_notice(mp, "Quotacheck: Done."); - return (error); + return error; } /* @@ -2066,7 +2066,7 @@ xfs_qm_vop_chown_reserve( -((xfs_qcnt_t)delblks), 0, blkflags); } - return (0); + return 0; } int diff --git a/fs/xfs/xfs_qm_syscalls.c b/fs/xfs/xfs_qm_syscalls.c index 3daf5ea..8b0edbd 100644 --- a/fs/xfs/xfs_qm_syscalls.c +++ b/fs/xfs/xfs_qm_syscalls.c @@ -94,7 +94,7 @@ xfs_qm_scall_quotaoff( /* XXX what to do if error ? Revert back to old vals incore ? */ error = xfs_qm_write_sb_changes(mp, XFS_SB_QFLAGS); - return (error); + return error; } dqtype = 0; @@ -198,7 +198,7 @@ xfs_qm_scall_quotaoff( if (mp->m_qflags == 0) { mutex_unlock(&q->qi_quotaofflock); xfs_qm_destroy_quotainfo(mp); - return (0); + return 0; } /* @@ -375,7 +375,7 @@ xfs_qm_scall_quotaon( sbflags |= XFS_SB_QFLAGS; if ((error = xfs_qm_write_sb_changes(mp, sbflags))) - return (error); + return error; /* * If we aren't trying to switch on quota enforcement, we are done. */ @@ -386,7 +386,7 @@ xfs_qm_scall_quotaon( ((mp->m_sb.sb_qflags & XFS_GQUOTA_ACCT) != (mp->m_qflags & XFS_GQUOTA_ACCT)) || (flags & XFS_ALL_QUOTA_ENFD) == 0) - return (0); + return 0; if (! XFS_IS_QUOTA_RUNNING(mp)) return XFS_ERROR(ESRCH); @@ -398,7 +398,7 @@ xfs_qm_scall_quotaon( mp->m_qflags |= (flags & XFS_ALL_QUOTA_ENFD); mutex_unlock(&mp->m_quotainfo->qi_quotaofflock); - return (0); + return 0; } @@ -425,7 +425,7 @@ xfs_qm_scall_getqstat( if (!xfs_sb_version_hasquota(&mp->m_sb)) { out->qs_uquota.qfs_ino = NULLFSINO; out->qs_gquota.qfs_ino = NULLFSINO; - return (0); + return 0; } out->qs_flags = (__uint16_t) xfs_qm_export_flags(mp->m_qflags & @@ -513,7 +513,7 @@ xfs_qm_scall_getqstatv( out->qs_uquota.qfs_ino = NULLFSINO; out->qs_gquota.qfs_ino = NULLFSINO; out->qs_pquota.qfs_ino = NULLFSINO; - return (0); + return 0; } out->qs_flags = (__uint16_t) xfs_qm_export_flags(mp->m_qflags & @@ -757,7 +757,7 @@ xfs_qm_log_quotaoff_end( error = xfs_trans_reserve(tp, &M_RES(mp)->tr_qm_equotaoff, 0, 0); if (error) { xfs_trans_cancel(tp, 0); - return (error); + return error; } qoffi = xfs_trans_get_qoff_item(tp, startqoff, @@ -771,7 +771,7 @@ xfs_qm_log_quotaoff_end( */ xfs_trans_set_sync(tp); error = xfs_trans_commit(tp, 0); - return (error); + return error; } @@ -821,7 +821,7 @@ error0: spin_unlock(&mp->m_sb_lock); } *qoffstartp = qoffi; - return (error); + return error; } @@ -952,7 +952,7 @@ xfs_qm_export_flags( uflags |= FS_QUOTA_GDQ_ENFD; if (flags & XFS_PQUOTA_ENFD) uflags |= FS_QUOTA_PDQ_ENFD; - return (uflags); + return uflags; } diff --git a/fs/xfs/xfs_trans.c b/fs/xfs/xfs_trans.c index 54a5732..f13452c 100644 --- a/fs/xfs/xfs_trans.c +++ b/fs/xfs/xfs_trans.c @@ -190,7 +190,7 @@ xfs_trans_reserve( -((int64_t)blocks), rsvd); if (error != 0) { current_restore_flags_nested(&tp->t_pflags, PF_FSTRANS); - return (XFS_ERROR(ENOSPC)); + return XFS_ERROR(ENOSPC); } tp->t_blk_res += blocks; } @@ -1024,7 +1024,7 @@ xfs_trans_roll( */ error = xfs_trans_commit(trans, 0); if (error) - return (error); + return error; trans = *tpp; diff --git a/fs/xfs/xfs_trans_buf.c b/fs/xfs/xfs_trans_buf.c index b8eef05..73106f2 100644 --- a/fs/xfs/xfs_trans_buf.c +++ b/fs/xfs/xfs_trans_buf.c @@ -166,7 +166,7 @@ xfs_trans_get_buf_map( ASSERT(atomic_read(&bip->bli_refcount) > 0); bip->bli_recur++; trace_xfs_trans_get_buf_recur(bip); - return (bp); + return bp; } bp = xfs_buf_get_map(target, map, nmaps, flags); @@ -178,7 +178,7 @@ xfs_trans_get_buf_map( _xfs_trans_bjoin(tp, bp, 1); trace_xfs_trans_get_buf(bp->b_fspriv); - return (bp); + return bp; } /* @@ -218,7 +218,7 @@ xfs_trans_getsb(xfs_trans_t *tp, ASSERT(atomic_read(&bip->bli_refcount) > 0); bip->bli_recur++; trace_xfs_trans_getsb_recur(bip); - return (bp); + return bp; } bp = xfs_getsb(mp, flags); @@ -227,7 +227,7 @@ xfs_trans_getsb(xfs_trans_t *tp, _xfs_trans_bjoin(tp, bp, 1); trace_xfs_trans_getsb(bp->b_fspriv); - return (bp); + return bp; } #ifdef DEBUG From sandeen@sandeen.net Wed Apr 16 12:48:56 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 5AE307F73 for ; Wed, 16 Apr 2014 12:48:56 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 4C2028F8037 for ; Wed, 16 Apr 2014 10:48:56 -0700 (PDT) X-ASG-Debug-ID: 1397670527-04cbb06e9ca5730001-NocioJ Received: from sandeen.net (sandeen.net [63.231.237.45]) by cuda.sgi.com with ESMTP id Zqi973DYHbmnaeTt for ; Wed, 16 Apr 2014 10:48:48 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@sandeen.net X-Barracuda-Apparent-Source-IP: 63.231.237.45 Received: from liberator.sandeen.net (liberator.sandeen.net [10.0.0.4]) (using TLSv1 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (No client certificate requested) by sandeen.net (Postfix) with ESMTPSA id 5D6AB63C5FD4 for ; Wed, 16 Apr 2014 12:48:47 -0500 (CDT) Message-ID: <534EC282.7010905@sandeen.net> Date: Wed, 16 Apr 2014 12:48:50 -0500 From: Eric Sandeen User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:24.0) Gecko/20100101 Thunderbird/24.4.0 MIME-Version: 1.0 To: xfs-oss Subject: [PATCH 2/2] xfs: Nuke XFS_ERROR macro References: <534EC073.8090006@sandeen.net> X-ASG-Orig-Subj: [PATCH 2/2] xfs: Nuke XFS_ERROR macro In-Reply-To: <534EC073.8090006@sandeen.net> X-Enigmail-Version: 1.6 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Barracuda-Connect: sandeen.net[63.231.237.45] X-Barracuda-Start-Time: 1397670527 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4976 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- XFS_ERROR was designed long ago to trap return values, but it's not runtime configurable, it's not consistently used, and we can do the same thing today with systemtap, using something like: probe module("xfs").function("xfs_*").return { if (@defined($return) && $return == VALUE) { ... } } Just nuke XFS_ERROR and associated bits. Signed-off-by: Eric Sandeen --- diff --git a/fs/xfs/xfs_aops.c b/fs/xfs/xfs_aops.c index 75df77d..05ab4ed 100644 --- a/fs/xfs/xfs_aops.c +++ b/fs/xfs/xfs_aops.c @@ -308,14 +308,14 @@ xfs_map_blocks( int nimaps = 1; if (XFS_FORCED_SHUTDOWN(mp)) - return -XFS_ERROR(EIO); + return -EIO; if (type == XFS_IO_UNWRITTEN) bmapi_flags |= XFS_BMAPI_IGSTATE; if (!xfs_ilock_nowait(ip, XFS_ILOCK_SHARED)) { if (nonblocking) - return -XFS_ERROR(EAGAIN); + return -EAGAIN; xfs_ilock(ip, XFS_ILOCK_SHARED); } @@ -332,14 +332,14 @@ xfs_map_blocks( xfs_iunlock(ip, XFS_ILOCK_SHARED); if (error) - return -XFS_ERROR(error); + return -error; if (type == XFS_IO_DELALLOC && (!nimaps || isnullstartblock(imap->br_startblock))) { error = xfs_iomap_write_allocate(ip, offset, imap); if (!error) trace_xfs_map_blocks_alloc(ip, offset, count, type, imap); - return -XFS_ERROR(error); + return -error; } #ifdef DEBUG @@ -1216,7 +1216,7 @@ __xfs_get_blocks( int new = 0; if (XFS_FORCED_SHUTDOWN(mp)) - return -XFS_ERROR(EIO); + return -EIO; offset = (xfs_off_t)iblock << inode->i_blkbits; ASSERT(bh_result->b_size >= (1 << inode->i_blkbits)); diff --git a/fs/xfs/xfs_attr.c b/fs/xfs/xfs_attr.c index 95de302..ab0218b 100644 --- a/fs/xfs/xfs_attr.c +++ b/fs/xfs/xfs_attr.c @@ -538,7 +538,7 @@ xfs_attr_remove_int(xfs_inode_t *dp, struct xfs_name *name, int flags) * Decide on what work routines to call based on the inode size. */ if (!xfs_inode_hasattr(dp)) { - error = XFS_ERROR(ENOATTR); + error = ENOATTR; goto out; } if (dp->i_d.di_aformat == XFS_DINODE_FMT_LOCAL) { @@ -605,7 +605,7 @@ xfs_attr_remove( xfs_ilock(dp, XFS_ILOCK_SHARED); if (!xfs_inode_hasattr(dp)) { xfs_iunlock(dp, XFS_ILOCK_SHARED); - return XFS_ERROR(ENOATTR); + return ENOATTR; } xfs_iunlock(dp, XFS_ILOCK_SHARED); @@ -640,14 +640,14 @@ xfs_attr_shortform_addname(xfs_da_args_t *args) if (args->namelen >= XFS_ATTR_SF_ENTSIZE_MAX || args->valuelen >= XFS_ATTR_SF_ENTSIZE_MAX) - return XFS_ERROR(ENOSPC); + return ENOSPC; newsize = XFS_ATTR_SF_TOTSIZE(args->dp); newsize += XFS_ATTR_SF_ENTSIZE_BYNAME(args->namelen, args->valuelen); forkoff = xfs_attr_shortform_bytesfit(args->dp, newsize); if (!forkoff) - return XFS_ERROR(ENOSPC); + return ENOSPC; xfs_attr_shortform_add(args, forkoff); return 0; diff --git a/fs/xfs/xfs_attr_inactive.c b/fs/xfs/xfs_attr_inactive.c index b39e588..f19d1ef 100644 --- a/fs/xfs/xfs_attr_inactive.c +++ b/fs/xfs/xfs_attr_inactive.c @@ -227,7 +227,7 @@ xfs_attr3_node_inactive( */ if (level > XFS_DA_NODE_MAXDEPTH) { xfs_trans_brelse(*trans, bp); /* no locks for later trans */ - return XFS_ERROR(EIO); + return EIO; } node = bp->b_addr; @@ -277,7 +277,7 @@ xfs_attr3_node_inactive( child_bp); break; default: - error = XFS_ERROR(EIO); + error = EIO; xfs_trans_brelse(*trans, child_bp); break; } @@ -360,7 +360,7 @@ xfs_attr3_root_inactive( error = xfs_attr3_leaf_inactive(trans, dp, bp); break; default: - error = XFS_ERROR(EIO); + error = EIO; xfs_trans_brelse(*trans, bp); break; } diff --git a/fs/xfs/xfs_attr_leaf.c b/fs/xfs/xfs_attr_leaf.c index b9d9170..5e21b67 100644 --- a/fs/xfs/xfs_attr_leaf.c +++ b/fs/xfs/xfs_attr_leaf.c @@ -546,7 +546,7 @@ xfs_attr_shortform_remove(xfs_da_args_t *args) break; } if (i == end) - return XFS_ERROR(ENOATTR); + return ENOATTR; /* * Fix up the attribute fork data, covering the hole @@ -610,9 +610,9 @@ xfs_attr_shortform_lookup(xfs_da_args_t *args) continue; if (!xfs_attr_namesp_match(args->flags, sfe->flags)) continue; - return XFS_ERROR(EEXIST); + return EEXIST; } - return XFS_ERROR(ENOATTR); + return ENOATTR; } /* @@ -639,18 +639,18 @@ xfs_attr_shortform_getvalue(xfs_da_args_t *args) continue; if (args->flags & ATTR_KERNOVAL) { args->valuelen = sfe->valuelen; - return XFS_ERROR(EEXIST); + return EEXIST; } if (args->valuelen < sfe->valuelen) { args->valuelen = sfe->valuelen; - return XFS_ERROR(ERANGE); + return ERANGE; } args->valuelen = sfe->valuelen; memcpy(args->value, &sfe->nameval[args->namelen], args->valuelen); - return XFS_ERROR(EEXIST); + return EEXIST; } - return XFS_ERROR(ENOATTR); + return ENOATTR; } /* @@ -1106,7 +1106,7 @@ xfs_attr3_leaf_add( * no good and we should just give up. */ if (!ichdr.holes && sum < entsize) - return XFS_ERROR(ENOSPC); + return ENOSPC; /* * Compact the entries to coalesce free space. @@ -2127,7 +2127,7 @@ xfs_attr3_leaf_lookup_int( } if (probe == ichdr.count || be32_to_cpu(entry->hashval) != hashval) { args->index = probe; - return XFS_ERROR(ENOATTR); + return ENOATTR; } /* @@ -2156,7 +2156,7 @@ xfs_attr3_leaf_lookup_int( if (!xfs_attr_namesp_match(args->flags, entry->flags)) continue; args->index = probe; - return XFS_ERROR(EEXIST); + return EEXIST; } else { name_rmt = xfs_attr3_leaf_name_remote(leaf, probe); if (name_rmt->namelen != args->namelen) @@ -2172,11 +2172,11 @@ xfs_attr3_leaf_lookup_int( args->rmtblkcnt = xfs_attr3_rmt_blocks( args->dp->i_mount, args->valuelen); - return XFS_ERROR(EEXIST); + return EEXIST; } } args->index = probe; - return XFS_ERROR(ENOATTR); + return ENOATTR; } /* @@ -2212,7 +2212,7 @@ xfs_attr3_leaf_getvalue( } if (args->valuelen < valuelen) { args->valuelen = valuelen; - return XFS_ERROR(ERANGE); + return ERANGE; } args->valuelen = valuelen; memcpy(args->value, &name_loc->nameval[args->namelen], valuelen); @@ -2230,7 +2230,7 @@ xfs_attr3_leaf_getvalue( } if (args->valuelen < valuelen) { args->valuelen = valuelen; - return XFS_ERROR(ERANGE); + return ERANGE; } args->valuelen = valuelen; } diff --git a/fs/xfs/xfs_attr_list.c b/fs/xfs/xfs_attr_list.c index 3e9a65a..e38425a 100644 --- a/fs/xfs/xfs_attr_list.c +++ b/fs/xfs/xfs_attr_list.c @@ -150,7 +150,7 @@ xfs_attr_shortform_list(xfs_attr_list_context_t *context) XFS_ERRLEVEL_LOW, context->dp->i_mount, sfe); kmem_free(sbuf); - return XFS_ERROR(EFSCORRUPTED); + return EFSCORRUPTED; } sbp->entno = i; @@ -308,7 +308,7 @@ xfs_attr_node_list(xfs_attr_list_context_t *context) context->dp->i_mount, node); xfs_trans_brelse(NULL, bp); - return XFS_ERROR(EFSCORRUPTED); + return EFSCORRUPTED; } dp->d_ops->node_hdr_from_disk(&nodehdr, node); @@ -494,11 +494,11 @@ xfs_attr_leaf_list(xfs_attr_list_context_t *context) context->cursor->blkno = 0; error = xfs_attr3_leaf_read(NULL, context->dp, 0, -1, &bp); if (error) - return XFS_ERROR(error); + return error; error = xfs_attr3_leaf_list_int(bp, context); xfs_trans_brelse(NULL, bp); - return XFS_ERROR(error); + return error; } int @@ -614,16 +614,16 @@ xfs_attr_list( * Validate the cursor. */ if (cursor->pad1 || cursor->pad2) - return XFS_ERROR(EINVAL); + return EINVAL; if ((cursor->initted == 0) && (cursor->hashval || cursor->blkno || cursor->offset)) - return XFS_ERROR(EINVAL); + return EINVAL; /* * Check for a properly aligned buffer. */ if (((long)buffer) & (sizeof(int)-1)) - return XFS_ERROR(EFAULT); + return EFAULT; if (flags & ATTR_KERNOVAL) bufsize = 0; diff --git a/fs/xfs/xfs_bmap.c b/fs/xfs/xfs_bmap.c index 5b6092e..cd72b90 100644 --- a/fs/xfs/xfs_bmap.c +++ b/fs/xfs/xfs_bmap.c @@ -1034,7 +1034,7 @@ xfs_bmap_add_attrfork_btree( goto error0; if (stat == 0) { xfs_btree_del_cursor(cur, XFS_BTREE_NOERROR); - return XFS_ERROR(ENOSPC); + return ENOSPC; } *firstblock = cur->bc_private.b.firstblock; cur->bc_private.b.allocated = 0; @@ -1192,7 +1192,7 @@ xfs_bmap_add_attrfork( break; default: ASSERT(0); - error = XFS_ERROR(EINVAL); + error = EINVAL; goto trans_cancel; } @@ -1399,7 +1399,7 @@ xfs_bmap_read_extents( return 0; error0: xfs_trans_brelse(tp, bp); - return XFS_ERROR(EFSCORRUPTED); + return EFSCORRUPTED; } @@ -1576,7 +1576,7 @@ xfs_bmap_last_before( if (XFS_IFORK_FORMAT(ip, whichfork) != XFS_DINODE_FMT_BTREE && XFS_IFORK_FORMAT(ip, whichfork) != XFS_DINODE_FMT_EXTENTS && XFS_IFORK_FORMAT(ip, whichfork) != XFS_DINODE_FMT_LOCAL) - return XFS_ERROR(EIO); + return EIO; if (XFS_IFORK_FORMAT(ip, whichfork) == XFS_DINODE_FMT_LOCAL) { *last_block = 0; return 0; @@ -1691,7 +1691,7 @@ xfs_bmap_last_offset( if (XFS_IFORK_FORMAT(ip, whichfork) != XFS_DINODE_FMT_BTREE && XFS_IFORK_FORMAT(ip, whichfork) != XFS_DINODE_FMT_EXTENTS) - return XFS_ERROR(EIO); + return EIO; error = xfs_bmap_last_extent(NULL, ip, whichfork, &rec, &is_empty); if (error || is_empty) @@ -3324,7 +3324,7 @@ xfs_bmap_extsize_align( if (orig_off < align_off || orig_end > align_off + align_alen || align_alen - temp < orig_alen) - return XFS_ERROR(EINVAL); + return EINVAL; /* * Try to fix it by moving the start up. */ @@ -3349,7 +3349,7 @@ xfs_bmap_extsize_align( * Result doesn't cover the request, fail it. */ if (orig_off < align_off || orig_end > align_off + align_alen) - return XFS_ERROR(EINVAL); + return EINVAL; } else { ASSERT(orig_off >= align_off); ASSERT(orig_end <= align_off + align_alen); @@ -4020,11 +4020,11 @@ xfs_bmapi_read( XFS_IFORK_FORMAT(ip, whichfork) != XFS_DINODE_FMT_BTREE), mp, XFS_ERRTAG_BMAPIFORMAT, XFS_RANDOM_BMAPIFORMAT))) { XFS_ERROR_REPORT("xfs_bmapi_read", XFS_ERRLEVEL_LOW, mp); - return XFS_ERROR(EFSCORRUPTED); + return EFSCORRUPTED; } if (XFS_FORCED_SHUTDOWN(mp)) - return XFS_ERROR(EIO); + return EIO; XFS_STATS_INC(xs_blk_mapr); @@ -4215,11 +4215,11 @@ xfs_bmapi_delay( XFS_IFORK_FORMAT(ip, XFS_DATA_FORK) != XFS_DINODE_FMT_BTREE), mp, XFS_ERRTAG_BMAPIFORMAT, XFS_RANDOM_BMAPIFORMAT))) { XFS_ERROR_REPORT("xfs_bmapi_delay", XFS_ERRLEVEL_LOW, mp); - return XFS_ERROR(EFSCORRUPTED); + return EFSCORRUPTED; } if (XFS_FORCED_SHUTDOWN(mp)) - return XFS_ERROR(EIO); + return EIO; XFS_STATS_INC(xs_blk_mapw); @@ -4509,11 +4509,11 @@ xfs_bmapi_write( XFS_IFORK_FORMAT(ip, whichfork) != XFS_DINODE_FMT_BTREE), mp, XFS_ERRTAG_BMAPIFORMAT, XFS_RANDOM_BMAPIFORMAT))) { XFS_ERROR_REPORT("xfs_bmapi_write", XFS_ERRLEVEL_LOW, mp); - return XFS_ERROR(EFSCORRUPTED); + return EFSCORRUPTED; } if (XFS_FORCED_SHUTDOWN(mp)) - return XFS_ERROR(EIO); + return EIO; ifp = XFS_IFORK_PTR(ip, whichfork); @@ -4930,7 +4930,7 @@ xfs_bmap_del_extent( xfs_bmbt_set_blockcount(ep, got.br_blockcount); flags = 0; - error = XFS_ERROR(ENOSPC); + error = ENOSPC; goto done; } XFS_WANT_CORRUPTED_GOTO(i == 1, done); @@ -5048,11 +5048,11 @@ xfs_bunmapi( XFS_IFORK_FORMAT(ip, whichfork) != XFS_DINODE_FMT_BTREE)) { XFS_ERROR_REPORT("xfs_bunmapi", XFS_ERRLEVEL_LOW, ip->i_mount); - return XFS_ERROR(EFSCORRUPTED); + return EFSCORRUPTED; } mp = ip->i_mount; if (XFS_FORCED_SHUTDOWN(mp)) - return XFS_ERROR(EIO); + return EIO; ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL)); ASSERT(len > 0); @@ -5297,7 +5297,7 @@ xfs_bunmapi( del.br_startoff > got.br_startoff && del.br_startoff + del.br_blockcount < got.br_startoff + got.br_blockcount) { - error = XFS_ERROR(ENOSPC); + error = ENOSPC; goto error0; } error = xfs_bmap_del_extent(ip, tp, &lastx, flist, cur, &del, @@ -5420,11 +5420,11 @@ xfs_bmap_shift_extents( mp, XFS_ERRTAG_BMAPIFORMAT, XFS_RANDOM_BMAPIFORMAT))) { XFS_ERROR_REPORT("xfs_bmap_shift_extents", XFS_ERRLEVEL_LOW, mp); - return XFS_ERROR(EFSCORRUPTED); + return EFSCORRUPTED; } if (XFS_FORCED_SHUTDOWN(mp)) - return XFS_ERROR(EIO); + return EIO; ASSERT(current_ext != NULL); @@ -5483,14 +5483,14 @@ xfs_bmap_shift_extents( *current_ext - 1), &left); if (startoff < left.br_startoff + left.br_blockcount) - error = XFS_ERROR(EINVAL); + error = EINVAL; } else if (offset_shift_fsb > got.br_startoff) { /* * When first extent is shifted, offset_shift_fsb * should be less than the stating offset of * the first extent. */ - error = XFS_ERROR(EINVAL); + error = EINVAL; } if (error) diff --git a/fs/xfs/xfs_bmap_btree.c b/fs/xfs/xfs_bmap_btree.c index 818d546..116a5da 100644 --- a/fs/xfs/xfs_bmap_btree.c +++ b/fs/xfs/xfs_bmap_btree.c @@ -555,7 +555,7 @@ xfs_bmbt_alloc_block( args.minlen = args.maxlen = args.prod = 1; args.wasdel = cur->bc_private.b.flags & XFS_BTCUR_BPRV_WASDEL; if (!args.wasdel && xfs_trans_get_block_res(args.tp) == 0) { - error = XFS_ERROR(ENOSPC); + error = ENOSPC; goto error0; } error = xfs_alloc_vextent(&args); diff --git a/fs/xfs/xfs_bmap_util.c b/fs/xfs/xfs_bmap_util.c index 01f6a64..039192b 100644 --- a/fs/xfs/xfs_bmap_util.c +++ b/fs/xfs/xfs_bmap_util.c @@ -408,7 +408,7 @@ xfs_bmap_count_tree( xfs_trans_brelse(tp, bp); XFS_ERROR_REPORT("xfs_bmap_count_tree(1)", XFS_ERRLEVEL_LOW, mp); - return XFS_ERROR(EFSCORRUPTED); + return EFSCORRUPTED; } xfs_trans_brelse(tp, bp); } else { @@ -475,7 +475,7 @@ xfs_bmap_count_blocks( if (unlikely(xfs_bmap_count_tree(mp, tp, ifp, bno, level, count) < 0)) { XFS_ERROR_REPORT("xfs_bmap_count_blocks(2)", XFS_ERRLEVEL_LOW, mp); - return XFS_ERROR(EFSCORRUPTED); + return EFSCORRUPTED; } return 0; @@ -567,13 +567,13 @@ xfs_getbmap( if (ip->i_d.di_aformat != XFS_DINODE_FMT_EXTENTS && ip->i_d.di_aformat != XFS_DINODE_FMT_BTREE && ip->i_d.di_aformat != XFS_DINODE_FMT_LOCAL) - return XFS_ERROR(EINVAL); + return EINVAL; } else if (unlikely( ip->i_d.di_aformat != 0 && ip->i_d.di_aformat != XFS_DINODE_FMT_EXTENTS)) { XFS_ERROR_REPORT("xfs_getbmap", XFS_ERRLEVEL_LOW, ip->i_mount); - return XFS_ERROR(EFSCORRUPTED); + return EFSCORRUPTED; } prealloced = 0; @@ -582,7 +582,7 @@ xfs_getbmap( if (ip->i_d.di_format != XFS_DINODE_FMT_EXTENTS && ip->i_d.di_format != XFS_DINODE_FMT_BTREE && ip->i_d.di_format != XFS_DINODE_FMT_LOCAL) - return XFS_ERROR(EINVAL); + return EINVAL; if (xfs_get_extsz_hint(ip) || ip->i_d.di_flags & (XFS_DIFLAG_PREALLOC|XFS_DIFLAG_APPEND)){ @@ -602,20 +602,20 @@ xfs_getbmap( bmv->bmv_entries = 0; return 0; } else if (bmv->bmv_length < 0) { - return XFS_ERROR(EINVAL); + return EINVAL; } nex = bmv->bmv_count - 1; if (nex <= 0) - return XFS_ERROR(EINVAL); + return EINVAL; bmvend = bmv->bmv_offset + bmv->bmv_length; if (bmv->bmv_count > ULONG_MAX / sizeof(struct getbmapx)) - return XFS_ERROR(ENOMEM); + return ENOMEM; out = kmem_zalloc_large(bmv->bmv_count * sizeof(struct getbmapx), 0); if (!out) - return XFS_ERROR(ENOMEM); + return ENOMEM; xfs_ilock(ip, XFS_IOLOCK_SHARED); if (whichfork == XFS_DATA_FORK) { @@ -998,14 +998,14 @@ xfs_alloc_file_space( trace_xfs_alloc_file_space(ip); if (XFS_FORCED_SHUTDOWN(mp)) - return XFS_ERROR(EIO); + return EIO; error = xfs_qm_dqattach(ip, 0); if (error) return error; if (len <= 0) - return XFS_ERROR(EINVAL); + return EINVAL; rt = XFS_IS_REALTIME_INODE(ip); extsz = xfs_get_extsz_hint(ip); @@ -1108,7 +1108,7 @@ xfs_alloc_file_space( allocated_fsb = imapp->br_blockcount; if (nimaps == 0) { - error = XFS_ERROR(ENOSPC); + error = ENOSPC; break; } @@ -1169,7 +1169,7 @@ xfs_zero_remaining_bytes( mp->m_rtdev_targp : mp->m_ddev_targp, BTOBB(mp->m_sb.sb_blocksize), 0); if (!bp) - return XFS_ERROR(ENOMEM); + return ENOMEM; xfs_buf_unlock(bp); @@ -1201,7 +1201,7 @@ xfs_zero_remaining_bytes( XFS_BUF_SET_ADDR(bp, xfs_fsb_to_db(ip, imap.br_startblock)); if (XFS_FORCED_SHUTDOWN(mp)) { - error = XFS_ERROR(EIO); + error = EIO; break; } xfs_buf_iorequest(bp); @@ -1219,7 +1219,7 @@ xfs_zero_remaining_bytes( XFS_BUF_WRITE(bp); if (XFS_FORCED_SHUTDOWN(mp)) { - error = XFS_ERROR(EIO); + error = EIO; break; } xfs_buf_iorequest(bp); @@ -1670,7 +1670,7 @@ xfs_swap_extents( tempifp = kmem_alloc(sizeof(xfs_ifork_t), KM_MAYFAIL); if (!tempifp) { - error = XFS_ERROR(ENOMEM); + error = ENOMEM; goto out; } @@ -1685,13 +1685,13 @@ xfs_swap_extents( /* Verify that both files have the same format */ if ((ip->i_d.di_mode & S_IFMT) != (tip->i_d.di_mode & S_IFMT)) { - error = XFS_ERROR(EINVAL); + error = EINVAL; goto out_unlock; } /* Verify both files are either real-time or non-realtime */ if (XFS_IS_REALTIME_INODE(ip) != XFS_IS_REALTIME_INODE(tip)) { - error = XFS_ERROR(EINVAL); + error = EINVAL; goto out_unlock; } @@ -1702,7 +1702,7 @@ xfs_swap_extents( /* Verify O_DIRECT for ftmp */ if (VN_CACHED(VFS_I(tip)) != 0) { - error = XFS_ERROR(EINVAL); + error = EINVAL; goto out_unlock; } @@ -1710,7 +1710,7 @@ xfs_swap_extents( if (sxp->sx_offset != 0 || sxp->sx_length != ip->i_d.di_size || sxp->sx_length != tip->i_d.di_size) { - error = XFS_ERROR(EFAULT); + error = EFAULT; goto out_unlock; } @@ -1737,7 +1737,7 @@ xfs_swap_extents( (sbp->bs_ctime.tv_nsec != VFS_I(ip)->i_ctime.tv_nsec) || (sbp->bs_mtime.tv_sec != VFS_I(ip)->i_mtime.tv_sec) || (sbp->bs_mtime.tv_nsec != VFS_I(ip)->i_mtime.tv_nsec)) { - error = XFS_ERROR(EBUSY); + error = EBUSY; goto out_unlock; } @@ -1748,7 +1748,7 @@ xfs_swap_extents( * until we have switched the extents. */ if (VN_MAPPED(VFS_I(ip))) { - error = XFS_ERROR(EBUSY); + error = EBUSY; goto out_unlock; } diff --git a/fs/xfs/xfs_btree.c b/fs/xfs/xfs_btree.c index e80d59f..1a890e0 100644 --- a/fs/xfs/xfs_btree.c +++ b/fs/xfs/xfs_btree.c @@ -90,7 +90,7 @@ xfs_btree_check_lblock( if (bp) trace_xfs_btree_corrupt(bp, _RET_IP_); XFS_ERROR_REPORT(__func__, XFS_ERRLEVEL_LOW, mp); - return XFS_ERROR(EFSCORRUPTED); + return EFSCORRUPTED; } return 0; } @@ -138,7 +138,7 @@ xfs_btree_check_sblock( if (bp) trace_xfs_btree_corrupt(bp, _RET_IP_); XFS_ERROR_REPORT(__func__, XFS_ERRLEVEL_LOW, mp); - return XFS_ERROR(EFSCORRUPTED); + return EFSCORRUPTED; } return 0; } diff --git a/fs/xfs/xfs_da_btree.c b/fs/xfs/xfs_da_btree.c index e0588bd..e8e583f 100644 --- a/fs/xfs/xfs_da_btree.c +++ b/fs/xfs/xfs_da_btree.c @@ -1578,7 +1578,7 @@ xfs_da3_node_lookup_int( args->blkno = blk->blkno; } else { ASSERT(0); - return XFS_ERROR(EFSCORRUPTED); + return EFSCORRUPTED; } if (((retval == ENOENT) || (retval == ENOATTR)) && (blk->hashval == args->hashval)) { @@ -1590,7 +1590,7 @@ xfs_da3_node_lookup_int( continue; } else if (blk->magic == XFS_ATTR_LEAF_MAGIC) { /* path_shift() gives ENOENT */ - retval = XFS_ERROR(ENOATTR); + retval = ENOATTR; } } break; @@ -1858,7 +1858,7 @@ xfs_da3_path_shift( } } if (level < 0) { - *result = XFS_ERROR(ENOENT); /* we're out of our tree */ + *result = ENOENT; /* we're out of our tree */ ASSERT(args->op_flags & XFS_DA_OP_OKNOENT); return 0; } @@ -2067,7 +2067,7 @@ xfs_da_grow_inode_int( if (got != count || mapp[0].br_startoff != *bno || mapp[mapi - 1].br_startoff + mapp[mapi - 1].br_blockcount != *bno + count) { - error = XFS_ERROR(ENOSPC); + error = ENOSPC; goto out_free_map; } @@ -2165,7 +2165,7 @@ xfs_da3_swap_lastblock( if (unlikely(lastoff == 0)) { XFS_ERROR_REPORT("xfs_da_swap_lastblock(1)", XFS_ERRLEVEL_LOW, mp); - return XFS_ERROR(EFSCORRUPTED); + return EFSCORRUPTED; } /* * Read the last block in the btree space. @@ -2216,7 +2216,7 @@ xfs_da3_swap_lastblock( sib_info->magic != dead_info->magic)) { XFS_ERROR_REPORT("xfs_da_swap_lastblock(2)", XFS_ERRLEVEL_LOW, mp); - error = XFS_ERROR(EFSCORRUPTED); + error = EFSCORRUPTED; goto done; } sib_info->forw = cpu_to_be32(dead_blkno); @@ -2238,7 +2238,7 @@ xfs_da3_swap_lastblock( sib_info->magic != dead_info->magic)) { XFS_ERROR_REPORT("xfs_da_swap_lastblock(3)", XFS_ERRLEVEL_LOW, mp); - error = XFS_ERROR(EFSCORRUPTED); + error = EFSCORRUPTED; goto done; } sib_info->back = cpu_to_be32(dead_blkno); @@ -2261,7 +2261,7 @@ xfs_da3_swap_lastblock( if (level >= 0 && level != par_hdr.level + 1) { XFS_ERROR_REPORT("xfs_da_swap_lastblock(4)", XFS_ERRLEVEL_LOW, mp); - error = XFS_ERROR(EFSCORRUPTED); + error = EFSCORRUPTED; goto done; } level = par_hdr.level; @@ -2274,7 +2274,7 @@ xfs_da3_swap_lastblock( if (entno == par_hdr.count) { XFS_ERROR_REPORT("xfs_da_swap_lastblock(5)", XFS_ERRLEVEL_LOW, mp); - error = XFS_ERROR(EFSCORRUPTED); + error = EFSCORRUPTED; goto done; } par_blkno = be32_to_cpu(btree[entno].before); @@ -2301,7 +2301,7 @@ xfs_da3_swap_lastblock( if (unlikely(par_blkno == 0)) { XFS_ERROR_REPORT("xfs_da_swap_lastblock(6)", XFS_ERRLEVEL_LOW, mp); - error = XFS_ERROR(EFSCORRUPTED); + error = EFSCORRUPTED; goto done; } error = xfs_da3_node_read(tp, dp, par_blkno, -1, &par_buf, w); @@ -2312,7 +2312,7 @@ xfs_da3_swap_lastblock( if (par_hdr.level != level) { XFS_ERROR_REPORT("xfs_da_swap_lastblock(7)", XFS_ERRLEVEL_LOW, mp); - error = XFS_ERROR(EFSCORRUPTED); + error = EFSCORRUPTED; goto done; } btree = dp->d_ops->node_tree_p(par_node); @@ -2508,7 +2508,7 @@ xfs_dabuf_map( } if (!xfs_da_map_covers_blocks(nirecs, irecs, bno, nfsb)) { - error = mappedbno == -2 ? -1 : XFS_ERROR(EFSCORRUPTED); + error = mappedbno == -2 ? -1 : EFSCORRUPTED; if (unlikely(error == EFSCORRUPTED)) { if (xfs_error_level >= XFS_ERRLEVEL_LOW) { int i; @@ -2569,7 +2569,7 @@ xfs_da_get_buf( bp = xfs_trans_get_buf_map(trans, dp->i_mount->m_ddev_targp, mapp, nmap, 0); - error = bp ? bp->b_error : XFS_ERROR(EIO); + error = bp ? bp->b_error : EIO; if (error) { xfs_trans_brelse(trans, bp); goto out_free; @@ -2661,7 +2661,7 @@ xfs_da_read_buf( trace_xfs_da_btree_corrupt(bp, _RET_IP_); XFS_CORRUPTION_ERROR("xfs_da_do_buf(2)", XFS_ERRLEVEL_LOW, mp, info); - error = XFS_ERROR(EFSCORRUPTED); + error = EFSCORRUPTED; xfs_trans_brelse(trans, bp); goto out_free; } diff --git a/fs/xfs/xfs_dir2.c b/fs/xfs/xfs_dir2.c index fda4625..dd7d3c7 100644 --- a/fs/xfs/xfs_dir2.c +++ b/fs/xfs/xfs_dir2.c @@ -166,7 +166,7 @@ xfs_dir_ino_validate( xfs_warn(mp, "Invalid inode number 0x%Lx", (unsigned long long) ino); XFS_ERROR_REPORT("xfs_dir_ino_validate", XFS_ERRLEVEL_LOW, mp); - return XFS_ERROR(EFSCORRUPTED); + return EFSCORRUPTED; } return 0; } diff --git a/fs/xfs/xfs_dir2_block.c b/fs/xfs/xfs_dir2_block.c index 4f6a38c..cedec22 100644 --- a/fs/xfs/xfs_dir2_block.c +++ b/fs/xfs/xfs_dir2_block.c @@ -394,7 +394,7 @@ xfs_dir2_block_addname( if (args->op_flags & XFS_DA_OP_JUSTCHECK) { xfs_trans_brelse(tp, bp); if (!dup) - return XFS_ERROR(ENOSPC); + return ENOSPC; return 0; } @@ -404,7 +404,7 @@ xfs_dir2_block_addname( if (!dup) { /* Don't have a space reservation: return no-space. */ if (args->total == 0) - return XFS_ERROR(ENOSPC); + return ENOSPC; /* * Convert to the next larger format. * Then add the new entry in that format. @@ -648,7 +648,7 @@ xfs_dir2_block_lookup( args->filetype = dp->d_ops->data_get_ftype(dep); error = xfs_dir_cilookup_result(args, dep->name, dep->namelen); xfs_trans_brelse(args->trans, bp); - return XFS_ERROR(error); + return error; } /* @@ -704,7 +704,7 @@ xfs_dir2_block_lookup_int( if (low > high) { ASSERT(args->op_flags & XFS_DA_OP_OKNOENT); xfs_trans_brelse(tp, bp); - return XFS_ERROR(ENOENT); + return ENOENT; } } /* @@ -752,7 +752,7 @@ xfs_dir2_block_lookup_int( * No match, release the buffer and return ENOENT. */ xfs_trans_brelse(tp, bp); - return XFS_ERROR(ENOENT); + return ENOENT; } /* @@ -1090,7 +1090,7 @@ xfs_dir2_sf_to_block( */ if (dp->i_d.di_size < offsetof(xfs_dir2_sf_hdr_t, parent)) { ASSERT(XFS_FORCED_SHUTDOWN(mp)); - return XFS_ERROR(EIO); + return EIO; } oldsfp = (xfs_dir2_sf_hdr_t *)ifp->if_u1.if_data; diff --git a/fs/xfs/xfs_dir2_leaf.c b/fs/xfs/xfs_dir2_leaf.c index d36e97d..cedaece 100644 --- a/fs/xfs/xfs_dir2_leaf.c +++ b/fs/xfs/xfs_dir2_leaf.c @@ -729,7 +729,7 @@ xfs_dir2_leaf_addname( if ((args->op_flags & XFS_DA_OP_JUSTCHECK) || args->total == 0) { xfs_trans_brelse(tp, lbp); - return XFS_ERROR(ENOSPC); + return ENOSPC; } /* * Convert to node form. @@ -753,7 +753,7 @@ xfs_dir2_leaf_addname( */ if (args->op_flags & XFS_DA_OP_JUSTCHECK) { xfs_trans_brelse(tp, lbp); - return use_block == -1 ? XFS_ERROR(ENOSPC) : 0; + return use_block == -1 ? ENOSPC : 0; } /* * If no allocations are allowed, return now before we've @@ -761,7 +761,7 @@ xfs_dir2_leaf_addname( */ if (args->total == 0 && use_block == -1) { xfs_trans_brelse(tp, lbp); - return XFS_ERROR(ENOSPC); + return ENOSPC; } /* * Need to compact the leaf entries, removing stale ones. @@ -1194,7 +1194,7 @@ xfs_dir2_leaf_lookup( error = xfs_dir_cilookup_result(args, dep->name, dep->namelen); xfs_trans_brelse(tp, dbp); xfs_trans_brelse(tp, lbp); - return XFS_ERROR(error); + return error; } /* @@ -1327,7 +1327,7 @@ xfs_dir2_leaf_lookup_int( if (dbp) xfs_trans_brelse(tp, dbp); xfs_trans_brelse(tp, lbp); - return XFS_ERROR(ENOENT); + return ENOENT; } /* diff --git a/fs/xfs/xfs_dir2_node.c b/fs/xfs/xfs_dir2_node.c index cb434d7..db20ecb 100644 --- a/fs/xfs/xfs_dir2_node.c +++ b/fs/xfs/xfs_dir2_node.c @@ -406,7 +406,7 @@ xfs_dir2_leafn_add( * into other peoples memory */ if (index < 0) - return XFS_ERROR(EFSCORRUPTED); + return EFSCORRUPTED; /* * If there are already the maximum number of leaf entries in @@ -417,7 +417,7 @@ xfs_dir2_leafn_add( if (leafhdr.count == dp->d_ops->leaf_max_ents(mp)) { if (!leafhdr.stale) - return XFS_ERROR(ENOSPC); + return ENOSPC; compact = leafhdr.stale > 1; } else compact = 0; @@ -626,7 +626,7 @@ xfs_dir2_leafn_lookup_for_addname( XFS_ERRLEVEL_LOW, mp); if (curfdb != newfdb) xfs_trans_brelse(tp, curbp); - return XFS_ERROR(EFSCORRUPTED); + return EFSCORRUPTED; } curfdb = newfdb; if (be16_to_cpu(bests[fi]) >= length) @@ -657,7 +657,7 @@ out: * Return the index, that will be the insertion point. */ *indexp = index; - return XFS_ERROR(ENOENT); + return ENOENT; } /* @@ -783,7 +783,7 @@ xfs_dir2_leafn_lookup_for_entry( curbp->b_ops = &xfs_dir3_data_buf_ops; xfs_trans_buf_set_type(tp, curbp, XFS_BLFT_DIR_DATA_BUF); if (cmp == XFS_CMP_EXACT) - return XFS_ERROR(EEXIST); + return EEXIST; } } ASSERT(index == leafhdr.count || (args->op_flags & XFS_DA_OP_OKNOENT)); @@ -806,7 +806,7 @@ xfs_dir2_leafn_lookup_for_entry( state->extravalid = 0; } *indexp = index; - return XFS_ERROR(ENOENT); + return ENOENT; } /* @@ -1811,7 +1811,7 @@ xfs_dir2_node_addname_int( * Not allowed to allocate, return failure. */ if ((args->op_flags & XFS_DA_OP_JUSTCHECK) || args->total == 0) - return XFS_ERROR(ENOSPC); + return ENOSPC; /* * Allocate and initialize the new data block. @@ -1871,7 +1871,7 @@ xfs_dir2_node_addname_int( } XFS_ERROR_REPORT("xfs_dir2_node_addname_int", XFS_ERRLEVEL_LOW, mp); - return XFS_ERROR(EFSCORRUPTED); + return EFSCORRUPTED; } /* diff --git a/fs/xfs/xfs_dir2_readdir.c b/fs/xfs/xfs_dir2_readdir.c index aead369..808aadd 100644 --- a/fs/xfs/xfs_dir2_readdir.c +++ b/fs/xfs/xfs_dir2_readdir.c @@ -96,7 +96,7 @@ xfs_dir2_sf_getdents( */ if (dp->i_d.di_size < offsetof(xfs_dir2_sf_hdr_t, parent)) { ASSERT(XFS_FORCED_SHUTDOWN(mp)); - return XFS_ERROR(EIO); + return EIO; } ASSERT(dp->i_df.if_bytes == dp->i_d.di_size); @@ -679,7 +679,7 @@ xfs_readdir( trace_xfs_readdir(dp); if (XFS_FORCED_SHUTDOWN(dp->i_mount)) - return XFS_ERROR(EIO); + return EIO; ASSERT(S_ISDIR(dp->i_d.di_mode)); XFS_STATS_INC(xs_dir_getdents); diff --git a/fs/xfs/xfs_dir2_sf.c b/fs/xfs/xfs_dir2_sf.c index 3725fb1..089bfd1 100644 --- a/fs/xfs/xfs_dir2_sf.c +++ b/fs/xfs/xfs_dir2_sf.c @@ -307,7 +307,7 @@ xfs_dir2_sf_addname( */ if (dp->i_d.di_size < offsetof(xfs_dir2_sf_hdr_t, parent)) { ASSERT(XFS_FORCED_SHUTDOWN(dp->i_mount)); - return XFS_ERROR(EIO); + return EIO; } ASSERT(dp->i_df.if_bytes == dp->i_d.di_size); ASSERT(dp->i_df.if_u1.if_data != NULL); @@ -350,7 +350,7 @@ xfs_dir2_sf_addname( * Just checking or no space reservation, it doesn't fit. */ if ((args->op_flags & XFS_DA_OP_JUSTCHECK) || args->total == 0) - return XFS_ERROR(ENOSPC); + return ENOSPC; /* * Convert to block form then add the name. */ @@ -743,7 +743,7 @@ xfs_dir2_sf_lookup( */ if (dp->i_d.di_size < offsetof(xfs_dir2_sf_hdr_t, parent)) { ASSERT(XFS_FORCED_SHUTDOWN(dp->i_mount)); - return XFS_ERROR(EIO); + return EIO; } ASSERT(dp->i_df.if_bytes == dp->i_d.di_size); ASSERT(dp->i_df.if_u1.if_data != NULL); @@ -756,7 +756,7 @@ xfs_dir2_sf_lookup( args->inumber = dp->i_ino; args->cmpresult = XFS_CMP_EXACT; args->filetype = XFS_DIR3_FT_DIR; - return XFS_ERROR(EEXIST); + return EEXIST; } /* * Special case for .. @@ -766,7 +766,7 @@ xfs_dir2_sf_lookup( args->inumber = dp->d_ops->sf_get_parent_ino(sfp); args->cmpresult = XFS_CMP_EXACT; args->filetype = XFS_DIR3_FT_DIR; - return XFS_ERROR(EEXIST); + return EEXIST; } /* * Loop over all the entries trying to match ours. @@ -786,7 +786,7 @@ xfs_dir2_sf_lookup( args->inumber = dp->d_ops->sf_get_ino(sfp, sfep); args->filetype = dp->d_ops->sf_get_ftype(sfep); if (cmp == XFS_CMP_EXACT) - return XFS_ERROR(EEXIST); + return EEXIST; ci_sfep = sfep; } } @@ -796,10 +796,10 @@ xfs_dir2_sf_lookup( * If a case-insensitive match was not found, return ENOENT. */ if (!ci_sfep) - return XFS_ERROR(ENOENT); + return ENOENT; /* otherwise process the CI match as required by the caller */ error = xfs_dir_cilookup_result(args, ci_sfep->name, ci_sfep->namelen); - return XFS_ERROR(error); + return error; } /* @@ -829,7 +829,7 @@ xfs_dir2_sf_removename( */ if (oldsize < offsetof(xfs_dir2_sf_hdr_t, parent)) { ASSERT(XFS_FORCED_SHUTDOWN(dp->i_mount)); - return XFS_ERROR(EIO); + return EIO; } ASSERT(dp->i_df.if_bytes == oldsize); ASSERT(dp->i_df.if_u1.if_data != NULL); @@ -852,7 +852,7 @@ xfs_dir2_sf_removename( * Didn't find it. */ if (i == sfp->count) - return XFS_ERROR(ENOENT); + return ENOENT; /* * Calculate sizes. */ @@ -919,7 +919,7 @@ xfs_dir2_sf_replace( */ if (dp->i_d.di_size < offsetof(xfs_dir2_sf_hdr_t, parent)) { ASSERT(XFS_FORCED_SHUTDOWN(dp->i_mount)); - return XFS_ERROR(EIO); + return EIO; } ASSERT(dp->i_df.if_bytes == dp->i_d.di_size); ASSERT(dp->i_df.if_u1.if_data != NULL); @@ -995,7 +995,7 @@ xfs_dir2_sf_replace( if (i8elevated) xfs_dir2_sf_toino4(args); #endif - return XFS_ERROR(ENOENT); + return ENOENT; } } #if XFS_BIG_INUMS diff --git a/fs/xfs/xfs_discard.c b/fs/xfs/xfs_discard.c index 4f11ef0..3fee16e 100644 --- a/fs/xfs/xfs_discard.c +++ b/fs/xfs/xfs_discard.c @@ -166,11 +166,11 @@ xfs_ioc_trim( int error, last_error = 0; if (!capable(CAP_SYS_ADMIN)) - return -XFS_ERROR(EPERM); + return -EPERM; if (!blk_queue_discard(q)) - return -XFS_ERROR(EOPNOTSUPP); + return -EOPNOTSUPP; if (copy_from_user(&range, urange, sizeof(range))) - return -XFS_ERROR(EFAULT); + return -EFAULT; /* * Truncating down the len isn't actually quite correct, but using @@ -182,7 +182,7 @@ xfs_ioc_trim( if (range.start >= XFS_FSB_TO_B(mp, mp->m_sb.sb_dblocks) || range.minlen > XFS_FSB_TO_B(mp, XFS_ALLOC_AG_MAX_USABLE(mp)) || range.len < mp->m_sb.sb_blocksize) - return -XFS_ERROR(EINVAL); + return -EINVAL; start = BTOBB(range.start); end = start + BTOBBT(range.len) - 1; @@ -206,7 +206,7 @@ xfs_ioc_trim( range.len = XFS_FSB_TO_B(mp, blocks_trimmed); if (copy_to_user(urange, &range, sizeof(range))) - return -XFS_ERROR(EFAULT); + return -EFAULT; return 0; } diff --git a/fs/xfs/xfs_dquot.c b/fs/xfs/xfs_dquot.c index 53f6610..ff31d31 100644 --- a/fs/xfs/xfs_dquot.c +++ b/fs/xfs/xfs_dquot.c @@ -426,7 +426,7 @@ xfs_qm_dqrepair( if (error) { ASSERT(*bpp == NULL); - return XFS_ERROR(error); + return error; } (*bpp)->b_ops = &xfs_dquot_buf_ops; @@ -442,7 +442,7 @@ xfs_qm_dqrepair( if (error) { /* repair failed, we're screwed */ xfs_trans_brelse(tp, *bpp); - return XFS_ERROR(EIO); + return EIO; } } @@ -539,7 +539,7 @@ xfs_qm_dqtobp( if (error) { ASSERT(bp == NULL); - return XFS_ERROR(error); + return error; } } @@ -796,7 +796,7 @@ restart: } else { /* inode stays locked on return */ xfs_qm_dqdestroy(dqp); - return XFS_ERROR(ESRCH); + return ESRCH; } } @@ -1003,7 +1003,7 @@ xfs_qm_dqflush( SHUTDOWN_CORRUPT_INCORE); else spin_unlock(&mp->m_ail->xa_lock); - error = XFS_ERROR(EIO); + error = EIO; goto out_unlock; } @@ -1029,7 +1029,7 @@ xfs_qm_dqflush( xfs_buf_relse(bp); xfs_dqfunlock(dqp); xfs_force_shutdown(mp, SHUTDOWN_CORRUPT_INCORE); - return XFS_ERROR(EIO); + return EIO; } /* This is the only portion of data that needs to persist */ @@ -1082,7 +1082,7 @@ xfs_qm_dqflush( out_unlock: xfs_dqfunlock(dqp); - return XFS_ERROR(EIO); + return EIO; } /* diff --git a/fs/xfs/xfs_error.c b/fs/xfs/xfs_error.c index edac5b0..14f98c2 100644 --- a/fs/xfs/xfs_error.c +++ b/fs/xfs/xfs_error.c @@ -27,29 +27,6 @@ #ifdef DEBUG -int xfs_etrap[XFS_ERROR_NTRAP] = { - 0, -}; - -int -xfs_error_trap(int e) -{ - int i; - - if (!e) - return 0; - for (i = 0; i < XFS_ERROR_NTRAP; i++) { - if (xfs_etrap[i] == 0) - break; - if (e != xfs_etrap[i]) - continue; - xfs_notice(NULL, "%s: error %d", __func__, e); - BUG(); - break; - } - return e; -} - int xfs_etest[XFS_NUM_INJECT_ERROR]; int64_t xfs_etest_fsid[XFS_NUM_INJECT_ERROR]; char * xfs_etest_fsname[XFS_NUM_INJECT_ERROR]; diff --git a/fs/xfs/xfs_error.h b/fs/xfs/xfs_error.h index c1c57d4..a2b5b4c 100644 --- a/fs/xfs/xfs_error.h +++ b/fs/xfs/xfs_error.h @@ -18,15 +18,6 @@ #ifndef __XFS_ERROR_H__ #define __XFS_ERROR_H__ -#ifdef DEBUG -#define XFS_ERROR_NTRAP 10 -extern int xfs_etrap[XFS_ERROR_NTRAP]; -extern int xfs_error_trap(int); -#define XFS_ERROR(e) xfs_error_trap(e) -#else -#define XFS_ERROR(e) (e) -#endif - struct xfs_mount; extern void xfs_error_report(const char *tag, int level, struct xfs_mount *mp, @@ -56,7 +47,7 @@ extern void xfs_verifier_error(struct xfs_buf *bp); if (unlikely(!fs_is_ok)) { \ XFS_ERROR_REPORT("XFS_WANT_CORRUPTED_GOTO", \ XFS_ERRLEVEL_LOW, NULL); \ - error = XFS_ERROR(EFSCORRUPTED); \ + error = EFSCORRUPTED; \ goto l; \ } \ } @@ -68,7 +59,7 @@ extern void xfs_verifier_error(struct xfs_buf *bp); if (unlikely(!fs_is_ok)) { \ XFS_ERROR_REPORT("XFS_WANT_CORRUPTED_RETURN", \ XFS_ERRLEVEL_LOW, NULL); \ - return XFS_ERROR(EFSCORRUPTED); \ + return EFSCORRUPTED; \ } \ } diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c index 79e96ce..169e5ba 100644 --- a/fs/xfs/xfs_file.c +++ b/fs/xfs/xfs_file.c @@ -179,7 +179,7 @@ xfs_file_fsync( return error; if (XFS_FORCED_SHUTDOWN(mp)) - return -XFS_ERROR(EIO); + return -EIO; xfs_iflags_clear(ip, XFS_ITRUNCATED); @@ -265,7 +265,7 @@ xfs_file_aio_read( if ((pos | size) & target->bt_logical_sectormask) { if (pos == i_size_read(inode)) return 0; - return -XFS_ERROR(EINVAL); + return -EINVAL; } } @@ -644,7 +644,7 @@ xfs_file_dio_aio_write( /* DIO must be aligned to device logical sector size */ if ((pos | count) & target->bt_logical_sectormask) - return -XFS_ERROR(EINVAL); + return -EINVAL; /* "unaligned" here means not aligned to a filesystem block */ if ((pos & mp->m_blockmask) || ((pos + count) & mp->m_blockmask)) @@ -1339,7 +1339,7 @@ xfs_seek_hole( int error; if (XFS_FORCED_SHUTDOWN(mp)) - return -XFS_ERROR(EIO); + return -EIO; lock = xfs_ilock_data_map_shared(ip); diff --git a/fs/xfs/xfs_fsops.c b/fs/xfs/xfs_fsops.c index 02fb943..fc03147 100644 --- a/fs/xfs/xfs_fsops.c +++ b/fs/xfs/xfs_fsops.c @@ -169,7 +169,7 @@ xfs_growfs_data_private( nb = in->newblocks; pct = in->imaxpct; if (nb < mp->m_sb.sb_dblocks || pct < 0 || pct > 100) - return XFS_ERROR(EINVAL); + return EINVAL; if ((error = xfs_sb_validate_fsb_count(&mp->m_sb, nb))) return error; dpct = pct - mp->m_sb.sb_imax_pct; @@ -192,7 +192,7 @@ xfs_growfs_data_private( nagcount--; nb = (xfs_rfsblock_t)nagcount * mp->m_sb.sb_agblocks; if (nb < mp->m_sb.sb_dblocks) - return XFS_ERROR(EINVAL); + return EINVAL; } new = nb - mp->m_sb.sb_dblocks; oagcount = mp->m_sb.sb_agcount; @@ -545,17 +545,17 @@ xfs_growfs_log_private( nb = in->newblocks; if (nb < XFS_MIN_LOG_BLOCKS || nb < XFS_B_TO_FSB(mp, XFS_MIN_LOG_BYTES)) - return XFS_ERROR(EINVAL); + return EINVAL; if (nb == mp->m_sb.sb_logblocks && in->isint == (mp->m_sb.sb_logstart != 0)) - return XFS_ERROR(EINVAL); + return EINVAL; /* * Moving the log is hard, need new interfaces to sync * the log first, hold off all activity while moving it. * Can have shorter or longer log in the same space, * or transform internal to external log or vice versa. */ - return XFS_ERROR(ENOSYS); + return ENOSYS; } /* @@ -573,9 +573,9 @@ xfs_growfs_data( int error; if (!capable(CAP_SYS_ADMIN)) - return XFS_ERROR(EPERM); + return EPERM; if (!mutex_trylock(&mp->m_growlock)) - return XFS_ERROR(EWOULDBLOCK); + return EWOULDBLOCK; error = xfs_growfs_data_private(mp, in); mutex_unlock(&mp->m_growlock); return error; @@ -589,9 +589,9 @@ xfs_growfs_log( int error; if (!capable(CAP_SYS_ADMIN)) - return XFS_ERROR(EPERM); + return EPERM; if (!mutex_trylock(&mp->m_growlock)) - return XFS_ERROR(EWOULDBLOCK); + return EWOULDBLOCK; error = xfs_growfs_log_private(mp, in); mutex_unlock(&mp->m_growlock); return error; @@ -787,7 +787,7 @@ xfs_fs_goingdown( SHUTDOWN_FORCE_UMOUNT | SHUTDOWN_LOG_IO_ERROR); break; default: - return XFS_ERROR(EINVAL); + return EINVAL; } return 0; diff --git a/fs/xfs/xfs_ialloc.c b/fs/xfs/xfs_ialloc.c index 8f711db..dc57fbf 100644 --- a/fs/xfs/xfs_ialloc.c +++ b/fs/xfs/xfs_ialloc.c @@ -325,7 +325,7 @@ xfs_ialloc_ag_alloc( newlen = args.mp->m_ialloc_inos; if (args.mp->m_maxicount && args.mp->m_sb.sb_icount + newlen > args.mp->m_maxicount) - return XFS_ERROR(ENOSPC); + return ENOSPC; args.minlen = args.maxlen = args.mp->m_ialloc_blks; /* * First try to allocate inodes contiguous with the last-allocated @@ -1095,7 +1095,7 @@ out_alloc: return xfs_dialloc_ag(tp, agbp, parent, inop); out_error: xfs_perag_put(pag); - return XFS_ERROR(error); + return error; } /* @@ -1137,7 +1137,7 @@ xfs_difree( xfs_warn(mp, "%s: agno >= mp->m_sb.sb_agcount (%d >= %d).", __func__, agno, mp->m_sb.sb_agcount); ASSERT(0); - return XFS_ERROR(EINVAL); + return EINVAL; } agino = XFS_INO_TO_AGINO(mp, inode); if (inode != XFS_AGINO_TO_INO(mp, agno, agino)) { @@ -1145,14 +1145,14 @@ xfs_difree( __func__, (unsigned long long)inode, (unsigned long long)XFS_AGINO_TO_INO(mp, agno, agino)); ASSERT(0); - return XFS_ERROR(EINVAL); + return EINVAL; } agbno = XFS_AGINO_TO_AGBNO(mp, agino); if (agbno >= mp->m_sb.sb_agblocks) { xfs_warn(mp, "%s: agbno >= mp->m_sb.sb_agblocks (%d >= %d).", __func__, agbno, mp->m_sb.sb_agblocks); ASSERT(0); - return XFS_ERROR(EINVAL); + return EINVAL; } /* * Get the allocation group header. @@ -1366,7 +1366,7 @@ xfs_imap( * as they can be invalid without implying corruption. */ if (flags & XFS_IGET_UNTRUSTED) - return XFS_ERROR(EINVAL); + return EINVAL; if (agno >= mp->m_sb.sb_agcount) { xfs_alert(mp, "%s: agno (%d) >= mp->m_sb.sb_agcount (%d)", @@ -1386,7 +1386,7 @@ xfs_imap( } xfs_stack_trace(); #endif /* DEBUG */ - return XFS_ERROR(EINVAL); + return EINVAL; } blks_per_cluster = xfs_icluster_size_fsb(mp); @@ -1459,7 +1459,7 @@ out_map: __func__, (unsigned long long) imap->im_blkno, (unsigned long long) imap->im_len, XFS_FSB_TO_BB(mp, mp->m_sb.sb_dblocks)); - return XFS_ERROR(EINVAL); + return EINVAL; } return 0; } diff --git a/fs/xfs/xfs_icache.c b/fs/xfs/xfs_icache.c index 98d3524..11b7932 100644 --- a/fs/xfs/xfs_icache.c +++ b/fs/xfs/xfs_icache.c @@ -658,7 +658,7 @@ xfs_inode_ag_iterator( break; } } - return XFS_ERROR(last_error); + return last_error; } int @@ -687,7 +687,7 @@ xfs_inode_ag_iterator_tag( break; } } - return XFS_ERROR(last_error); + return last_error; } /* @@ -1132,7 +1132,7 @@ restart: trylock = 0; goto restart; } - return XFS_ERROR(last_error); + return last_error; } int diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c index 5e7a38f..a5a40cc 100644 --- a/fs/xfs/xfs_inode.c +++ b/fs/xfs/xfs_inode.c @@ -583,7 +583,7 @@ xfs_lookup( trace_xfs_lookup(dp, name); if (XFS_FORCED_SHUTDOWN(dp->i_mount)) - return XFS_ERROR(EIO); + return EIO; lock_mode = xfs_ilock_data_map_shared(dp); error = xfs_dir_lookup(NULL, dp, name, &inum, ci_name); @@ -923,7 +923,7 @@ xfs_dir_ialloc( } if (!ialloc_context && !ip) { *ipp = NULL; - return XFS_ERROR(ENOSPC); + return ENOSPC; } /* @@ -1164,7 +1164,7 @@ xfs_create( trace_xfs_create(dp, name); if (XFS_FORCED_SHUTDOWN(mp)) - return XFS_ERROR(EIO); + return EIO; prid = xfs_get_initial_prid(dp); @@ -1349,7 +1349,7 @@ xfs_create_tmpfile( uint resblks; if (XFS_FORCED_SHUTDOWN(mp)) - return XFS_ERROR(EIO); + return EIO; prid = xfs_get_initial_prid(dp); @@ -1457,7 +1457,7 @@ xfs_link( ASSERT(!S_ISDIR(sip->i_d.di_mode)); if (XFS_FORCED_SHUTDOWN(mp)) - return XFS_ERROR(EIO); + return EIO; error = xfs_qm_dqattach(sip, 0); if (error) @@ -1492,7 +1492,7 @@ xfs_link( */ if (unlikely((tdp->i_d.di_flags & XFS_DIFLAG_PROJINHERIT) && (xfs_get_projid(tdp) != xfs_get_projid(sip)))) { - error = XFS_ERROR(EXDEV); + error = EXDEV; goto error_return; } @@ -2552,7 +2552,7 @@ xfs_remove( trace_xfs_remove(dp, name); if (XFS_FORCED_SHUTDOWN(mp)) - return XFS_ERROR(EIO); + return EIO; error = xfs_qm_dqattach(dp, 0); if (error) @@ -2604,11 +2604,11 @@ xfs_remove( if (is_dir) { ASSERT(ip->i_d.di_nlink >= 2); if (ip->i_d.di_nlink != 2) { - error = XFS_ERROR(ENOTEMPTY); + error = ENOTEMPTY; goto out_trans_cancel; } if (!xfs_dir_isempty(ip)) { - error = XFS_ERROR(ENOTEMPTY); + error = ENOTEMPTY; goto out_trans_cancel; } @@ -2814,7 +2814,7 @@ xfs_rename( */ if (unlikely((target_dp->i_d.di_flags & XFS_DIFLAG_PROJINHERIT) && (xfs_get_projid(target_dp) != xfs_get_projid(src_ip)))) { - error = XFS_ERROR(EXDEV); + error = EXDEV; goto error_return; } @@ -2862,7 +2862,7 @@ xfs_rename( */ if (!(xfs_dir_isempty(target_ip)) || (target_ip->i_d.di_nlink > 2)) { - error = XFS_ERROR(EEXIST); + error = EEXIST; goto error_return; } } @@ -3136,7 +3136,7 @@ cluster_corrupt_out: xfs_iflush_abort(iq, false); kmem_free(ilist); xfs_perag_put(pag); - return XFS_ERROR(EFSCORRUPTED); + return EFSCORRUPTED; } /* @@ -3191,7 +3191,7 @@ xfs_iflush( * as we wait for an empty AIL as part of the unmount process. */ if (XFS_FORCED_SHUTDOWN(mp)) { - error = XFS_ERROR(EIO); + error = EIO; goto abort_out; } @@ -3234,7 +3234,7 @@ corrupt_out: xfs_buf_relse(bp); xfs_force_shutdown(mp, SHUTDOWN_CORRUPT_INCORE); cluster_corrupt_out: - error = XFS_ERROR(EFSCORRUPTED); + error = EFSCORRUPTED; abort_out: /* * Unlocks the flush lock @@ -3428,5 +3428,5 @@ xfs_iflush_int( return 0; corrupt_out: - return XFS_ERROR(EFSCORRUPTED); + return EFSCORRUPTED; } diff --git a/fs/xfs/xfs_inode_buf.c b/fs/xfs/xfs_inode_buf.c index 24e9939..4f7b9ad 100644 --- a/fs/xfs/xfs_inode_buf.c +++ b/fs/xfs/xfs_inode_buf.c @@ -181,7 +181,7 @@ xfs_imap_to_bp( if (error == EFSCORRUPTED && (iget_flags & XFS_IGET_UNTRUSTED)) - return XFS_ERROR(EINVAL); + return EINVAL; xfs_warn(mp, "%s: xfs_trans_read_buf() returned error %d.", __func__, error); @@ -390,7 +390,7 @@ xfs_iread( __func__, ip->i_ino); XFS_CORRUPTION_ERROR(__func__, XFS_ERRLEVEL_LOW, mp, dip); - error = XFS_ERROR(EFSCORRUPTED); + error = EFSCORRUPTED; goto out_brelse; } diff --git a/fs/xfs/xfs_inode_fork.c b/fs/xfs/xfs_inode_fork.c index 5515f38..7e8a105 100644 --- a/fs/xfs/xfs_inode_fork.c +++ b/fs/xfs/xfs_inode_fork.c @@ -102,7 +102,7 @@ xfs_iformat_fork( be64_to_cpu(dip->di_nblocks)); XFS_CORRUPTION_ERROR("xfs_iformat(1)", XFS_ERRLEVEL_LOW, ip->i_mount, dip); - return XFS_ERROR(EFSCORRUPTED); + return EFSCORRUPTED; } if (unlikely(dip->di_forkoff > ip->i_mount->m_sb.sb_inodesize)) { @@ -111,7 +111,7 @@ xfs_iformat_fork( dip->di_forkoff); XFS_CORRUPTION_ERROR("xfs_iformat(2)", XFS_ERRLEVEL_LOW, ip->i_mount, dip); - return XFS_ERROR(EFSCORRUPTED); + return EFSCORRUPTED; } if (unlikely((ip->i_d.di_flags & XFS_DIFLAG_REALTIME) && @@ -121,7 +121,7 @@ xfs_iformat_fork( ip->i_ino); XFS_CORRUPTION_ERROR("xfs_iformat(realtime)", XFS_ERRLEVEL_LOW, ip->i_mount, dip); - return XFS_ERROR(EFSCORRUPTED); + return EFSCORRUPTED; } switch (ip->i_d.di_mode & S_IFMT) { @@ -132,7 +132,7 @@ xfs_iformat_fork( if (unlikely(dip->di_format != XFS_DINODE_FMT_DEV)) { XFS_CORRUPTION_ERROR("xfs_iformat(3)", XFS_ERRLEVEL_LOW, ip->i_mount, dip); - return XFS_ERROR(EFSCORRUPTED); + return EFSCORRUPTED; } ip->i_d.di_size = 0; ip->i_df.if_u2.if_rdev = xfs_dinode_get_rdev(dip); @@ -153,7 +153,7 @@ xfs_iformat_fork( XFS_CORRUPTION_ERROR("xfs_iformat(4)", XFS_ERRLEVEL_LOW, ip->i_mount, dip); - return XFS_ERROR(EFSCORRUPTED); + return EFSCORRUPTED; } di_size = be64_to_cpu(dip->di_size); @@ -166,7 +166,7 @@ xfs_iformat_fork( XFS_CORRUPTION_ERROR("xfs_iformat(5)", XFS_ERRLEVEL_LOW, ip->i_mount, dip); - return XFS_ERROR(EFSCORRUPTED); + return EFSCORRUPTED; } size = (int)di_size; @@ -181,13 +181,13 @@ xfs_iformat_fork( default: XFS_ERROR_REPORT("xfs_iformat(6)", XFS_ERRLEVEL_LOW, ip->i_mount); - return XFS_ERROR(EFSCORRUPTED); + return EFSCORRUPTED; } break; default: XFS_ERROR_REPORT("xfs_iformat(7)", XFS_ERRLEVEL_LOW, ip->i_mount); - return XFS_ERROR(EFSCORRUPTED); + return EFSCORRUPTED; } if (error) { return error; @@ -211,7 +211,7 @@ xfs_iformat_fork( XFS_CORRUPTION_ERROR("xfs_iformat(8)", XFS_ERRLEVEL_LOW, ip->i_mount, dip); - return XFS_ERROR(EFSCORRUPTED); + return EFSCORRUPTED; } error = xfs_iformat_local(ip, dip, XFS_ATTR_FORK, size); @@ -223,7 +223,7 @@ xfs_iformat_fork( error = xfs_iformat_btree(ip, dip, XFS_ATTR_FORK); break; default: - error = XFS_ERROR(EFSCORRUPTED); + error = EFSCORRUPTED; break; } if (error) { @@ -266,7 +266,7 @@ xfs_iformat_local( XFS_DFORK_SIZE(dip, ip->i_mount, whichfork)); XFS_CORRUPTION_ERROR("xfs_iformat_local", XFS_ERRLEVEL_LOW, ip->i_mount, dip); - return XFS_ERROR(EFSCORRUPTED); + return EFSCORRUPTED; } ifp = XFS_IFORK_PTR(ip, whichfork); real_size = 0; @@ -322,7 +322,7 @@ xfs_iformat_extents( (unsigned long long) ip->i_ino, nex); XFS_CORRUPTION_ERROR("xfs_iformat_extents(1)", XFS_ERRLEVEL_LOW, ip->i_mount, dip); - return XFS_ERROR(EFSCORRUPTED); + return EFSCORRUPTED; } ifp->if_real_bytes = 0; @@ -350,7 +350,7 @@ xfs_iformat_extents( XFS_ERROR_REPORT("xfs_iformat_extents(2)", XFS_ERRLEVEL_LOW, ip->i_mount); - return XFS_ERROR(EFSCORRUPTED); + return EFSCORRUPTED; } } ifp->if_flags |= XFS_IFEXTENTS; @@ -399,7 +399,7 @@ xfs_iformat_btree( (unsigned long long) ip->i_ino); XFS_CORRUPTION_ERROR("xfs_iformat_btree", XFS_ERRLEVEL_LOW, mp, dip); - return XFS_ERROR(EFSCORRUPTED); + return EFSCORRUPTED; } ifp->if_broot_bytes = size; @@ -436,7 +436,7 @@ xfs_iread_extents( if (unlikely(XFS_IFORK_FORMAT(ip, whichfork) != XFS_DINODE_FMT_BTREE)) { XFS_ERROR_REPORT("xfs_iread_extents", XFS_ERRLEVEL_LOW, ip->i_mount); - return XFS_ERROR(EFSCORRUPTED); + return EFSCORRUPTED; } nextents = XFS_IFORK_NEXTENTS(ip, whichfork); ifp = XFS_IFORK_PTR(ip, whichfork); diff --git a/fs/xfs/xfs_ioctl.c b/fs/xfs/xfs_ioctl.c index 0b18776..2afe0d1 100644 --- a/fs/xfs/xfs_ioctl.c +++ b/fs/xfs/xfs_ioctl.c @@ -207,7 +207,7 @@ xfs_open_by_handle( struct path path; if (!capable(CAP_SYS_ADMIN)) - return -XFS_ERROR(EPERM); + return -EPERM; dentry = xfs_handlereq_to_dentry(parfilp, hreq); if (IS_ERR(dentry)) @@ -216,7 +216,7 @@ xfs_open_by_handle( /* Restrict xfs_open_by_handle to directories & regular files. */ if (!(S_ISREG(inode->i_mode) || S_ISDIR(inode->i_mode))) { - error = -XFS_ERROR(EPERM); + error = -EPERM; goto out_dput; } @@ -228,18 +228,18 @@ xfs_open_by_handle( fmode = OPEN_FMODE(permflag); if ((!(permflag & O_APPEND) || (permflag & O_TRUNC)) && (fmode & FMODE_WRITE) && IS_APPEND(inode)) { - error = -XFS_ERROR(EPERM); + error = -EPERM; goto out_dput; } if ((fmode & FMODE_WRITE) && IS_IMMUTABLE(inode)) { - error = -XFS_ERROR(EACCES); + error = -EACCES; goto out_dput; } /* Can't write directories. */ if (S_ISDIR(inode->i_mode) && (fmode & FMODE_WRITE)) { - error = -XFS_ERROR(EISDIR); + error = -EISDIR; goto out_dput; } @@ -282,7 +282,7 @@ xfs_readlink_by_handle( int error; if (!capable(CAP_SYS_ADMIN)) - return -XFS_ERROR(EPERM); + return -EPERM; dentry = xfs_handlereq_to_dentry(parfilp, hreq); if (IS_ERR(dentry)) @@ -290,18 +290,18 @@ xfs_readlink_by_handle( /* Restrict this handle operation to symlinks only. */ if (!S_ISLNK(dentry->d_inode->i_mode)) { - error = -XFS_ERROR(EINVAL); + error = -EINVAL; goto out_dput; } if (copy_from_user(&olen, hreq->ohandlen, sizeof(__u32))) { - error = -XFS_ERROR(EFAULT); + error = -EFAULT; goto out_dput; } link = kmalloc(MAXPATHLEN+1, GFP_KERNEL); if (!link) { - error = -XFS_ERROR(ENOMEM); + error = -ENOMEM; goto out_dput; } @@ -330,10 +330,10 @@ xfs_set_dmattrs( int error; if (!capable(CAP_SYS_ADMIN)) - return XFS_ERROR(EPERM); + return EPERM; if (XFS_FORCED_SHUTDOWN(mp)) - return XFS_ERROR(EIO); + return EIO; tp = xfs_trans_alloc(mp, XFS_TRANS_SET_DMATTRS); error = xfs_trans_reserve(tp, &M_RES(mp)->tr_ichange, 0, 0); @@ -364,9 +364,9 @@ xfs_fssetdm_by_handle( struct dentry *dentry; if (!capable(CAP_MKNOD)) - return -XFS_ERROR(EPERM); + return -EPERM; if (copy_from_user(&dmhreq, arg, sizeof(xfs_fsop_setdm_handlereq_t))) - return -XFS_ERROR(EFAULT); + return -EFAULT; error = mnt_want_write_file(parfilp); if (error) @@ -379,12 +379,12 @@ xfs_fssetdm_by_handle( } if (IS_IMMUTABLE(dentry->d_inode) || IS_APPEND(dentry->d_inode)) { - error = -XFS_ERROR(EPERM); + error = -EPERM; goto out; } if (copy_from_user(&fsd, dmhreq.data, sizeof(fsd))) { - error = -XFS_ERROR(EFAULT); + error = -EFAULT; goto out; } @@ -409,18 +409,18 @@ xfs_attrlist_by_handle( char *kbuf; if (!capable(CAP_SYS_ADMIN)) - return -XFS_ERROR(EPERM); + return -EPERM; if (copy_from_user(&al_hreq, arg, sizeof(xfs_fsop_attrlist_handlereq_t))) - return -XFS_ERROR(EFAULT); + return -EFAULT; if (al_hreq.buflen < sizeof(struct attrlist) || al_hreq.buflen > XATTR_LIST_MAX) - return -XFS_ERROR(EINVAL); + return -EINVAL; /* * Reject flags, only allow namespaces. */ if (al_hreq.flags & ~(ATTR_ROOT | ATTR_SECURE)) - return -XFS_ERROR(EINVAL); + return -EINVAL; dentry = xfs_handlereq_to_dentry(parfilp, &al_hreq.hreq); if (IS_ERR(dentry)) @@ -524,9 +524,9 @@ xfs_attrmulti_by_handle( unsigned char *attr_name; if (!capable(CAP_SYS_ADMIN)) - return -XFS_ERROR(EPERM); + return -EPERM; if (copy_from_user(&am_hreq, arg, sizeof(xfs_fsop_attrmulti_handlereq_t))) - return -XFS_ERROR(EFAULT); + return -EFAULT; /* overflow check */ if (am_hreq.opcount >= INT_MAX / sizeof(xfs_attr_multiop_t)) @@ -592,7 +592,7 @@ xfs_attrmulti_by_handle( } if (copy_to_user(am_hreq.ops, ops, size)) - error = XFS_ERROR(EFAULT); + error = EFAULT; kfree(attr_name); out_kfree_ops: @@ -624,16 +624,16 @@ xfs_ioc_space( */ if (!xfs_sb_version_hasextflgbit(&ip->i_mount->m_sb) && !capable(CAP_SYS_ADMIN)) - return -XFS_ERROR(EPERM); + return -EPERM; if (inode->i_flags & (S_IMMUTABLE|S_APPEND)) - return -XFS_ERROR(EPERM); + return -EPERM; if (!(filp->f_mode & FMODE_WRITE)) - return -XFS_ERROR(EBADF); + return -EBADF; if (!S_ISREG(inode->i_mode)) - return -XFS_ERROR(EINVAL); + return -EINVAL; error = mnt_want_write_file(filp); if (error) @@ -651,7 +651,7 @@ xfs_ioc_space( bf->l_start += XFS_ISIZE(ip); break; default: - error = XFS_ERROR(EINVAL); + error = EINVAL; goto out_unlock; } @@ -668,7 +668,7 @@ xfs_ioc_space( case XFS_IOC_UNRESVSP: case XFS_IOC_UNRESVSP64: if (bf->l_len <= 0) { - error = XFS_ERROR(EINVAL); + error = EINVAL; goto out_unlock; } break; @@ -681,7 +681,7 @@ xfs_ioc_space( bf->l_start > mp->m_super->s_maxbytes || bf->l_start + bf->l_len < 0 || bf->l_start + bf->l_len >= mp->m_super->s_maxbytes) { - error = XFS_ERROR(EINVAL); + error = EINVAL; goto out_unlock; } @@ -722,7 +722,7 @@ xfs_ioc_space( break; default: ASSERT(0); - error = XFS_ERROR(EINVAL); + error = EINVAL; } if (error) @@ -780,19 +780,19 @@ xfs_ioc_bulkstat( return -EPERM; if (XFS_FORCED_SHUTDOWN(mp)) - return -XFS_ERROR(EIO); + return -EIO; if (copy_from_user(&bulkreq, arg, sizeof(xfs_fsop_bulkreq_t))) - return -XFS_ERROR(EFAULT); + return -EFAULT; if (copy_from_user(&inlast, bulkreq.lastip, sizeof(__s64))) - return -XFS_ERROR(EFAULT); + return -EFAULT; if ((count = bulkreq.icount) <= 0) - return -XFS_ERROR(EINVAL); + return -EINVAL; if (bulkreq.ubuffer == NULL) - return -XFS_ERROR(EINVAL); + return -EINVAL; if (cmd == XFS_IOC_FSINUMBERS) error = xfs_inumbers(mp, &inlast, &count, @@ -811,10 +811,10 @@ xfs_ioc_bulkstat( if (bulkreq.ocount != NULL) { if (copy_to_user(bulkreq.lastip, &inlast, sizeof(xfs_ino_t))) - return -XFS_ERROR(EFAULT); + return -EFAULT; if (copy_to_user(bulkreq.ocount, &count, sizeof(count))) - return -XFS_ERROR(EFAULT); + return -EFAULT; } return 0; @@ -838,7 +838,7 @@ xfs_ioc_fsgeometry_v1( * xfs_fsop_geom_t that xfs_fs_geometry() fills in. */ if (copy_to_user(arg, &fsgeo, sizeof(xfs_fsop_geom_v1_t))) - return -XFS_ERROR(EFAULT); + return -EFAULT; return 0; } @@ -855,7 +855,7 @@ xfs_ioc_fsgeometry( return -error; if (copy_to_user(arg, &fsgeo, sizeof(fsgeo))) - return -XFS_ERROR(EFAULT); + return -EFAULT; return 0; } @@ -1040,16 +1040,16 @@ xfs_ioctl_setattr( trace_xfs_ioctl_setattr(ip); if (mp->m_flags & XFS_MOUNT_RDONLY) - return XFS_ERROR(EROFS); + return EROFS; if (XFS_FORCED_SHUTDOWN(mp)) - return XFS_ERROR(EIO); + return EIO; /* * Disallow 32bit project ids when projid32bit feature is not enabled. */ if ((mask & FSX_PROJID) && (fa->fsx_projid > (__uint16_t)-1) && !xfs_sb_version_hasprojid32bit(&ip->i_mount->m_sb)) - return XFS_ERROR(EINVAL); + return EINVAL; /* * If disk quotas is on, we make sure that the dquots do exist on disk, @@ -1087,7 +1087,7 @@ xfs_ioctl_setattr( * CAP_FSETID capability is applicable. */ if (!inode_owner_or_capable(VFS_I(ip))) { - code = XFS_ERROR(EPERM); + code = EPERM; goto error_return; } @@ -1098,7 +1098,7 @@ xfs_ioctl_setattr( */ if (mask & FSX_PROJID) { if (current_user_ns() != &init_user_ns) { - code = XFS_ERROR(EINVAL); + code = EINVAL; goto error_return; } @@ -1121,7 +1121,7 @@ xfs_ioctl_setattr( if (ip->i_d.di_nextents && ((ip->i_d.di_extsize << mp->m_sb.sb_blocklog) != fa->fsx_extsize)) { - code = XFS_ERROR(EINVAL); /* EFBIG? */ + code = EINVAL; /* EFBIG? */ goto error_return; } @@ -1140,7 +1140,7 @@ xfs_ioctl_setattr( extsize_fsb = XFS_B_TO_FSB(mp, fa->fsx_extsize); if (extsize_fsb > MAXEXTLEN) { - code = XFS_ERROR(EINVAL); + code = EINVAL; goto error_return; } @@ -1152,13 +1152,13 @@ xfs_ioctl_setattr( } else { size = mp->m_sb.sb_blocksize; if (extsize_fsb > mp->m_sb.sb_agblocks / 2) { - code = XFS_ERROR(EINVAL); + code = EINVAL; goto error_return; } } if (fa->fsx_extsize % size) { - code = XFS_ERROR(EINVAL); + code = EINVAL; goto error_return; } } @@ -1172,7 +1172,7 @@ xfs_ioctl_setattr( if ((ip->i_d.di_nextents || ip->i_delayed_blks) && (XFS_IS_REALTIME_INODE(ip)) != (fa->fsx_xflags & XFS_XFLAG_REALTIME)) { - code = XFS_ERROR(EINVAL); /* EFBIG? */ + code = EINVAL; /* EFBIG? */ goto error_return; } @@ -1183,7 +1183,7 @@ xfs_ioctl_setattr( if ((mp->m_sb.sb_rblocks == 0) || (mp->m_sb.sb_rextsize == 0) || (ip->i_d.di_extsize % mp->m_sb.sb_rextsize)) { - code = XFS_ERROR(EINVAL); + code = EINVAL; goto error_return; } } @@ -1197,7 +1197,7 @@ xfs_ioctl_setattr( (fa->fsx_xflags & (XFS_XFLAG_IMMUTABLE | XFS_XFLAG_APPEND))) && !capable(CAP_LINUX_IMMUTABLE)) { - code = XFS_ERROR(EPERM); + code = EPERM; goto error_return; } } @@ -1362,7 +1362,7 @@ xfs_getbmap_format(void **ap, struct getbmapx *bmv, int *full) /* copy only getbmap portion (not getbmapx) */ if (copy_to_user(base, bmv, sizeof(struct getbmap))) - return XFS_ERROR(EFAULT); + return EFAULT; *ap += sizeof(struct getbmap); return 0; @@ -1379,10 +1379,10 @@ xfs_ioc_getbmap( int error; if (copy_from_user(&bmx, arg, sizeof(struct getbmapx))) - return -XFS_ERROR(EFAULT); + return -EFAULT; if (bmx.bmv_count < 2) - return -XFS_ERROR(EINVAL); + return -EINVAL; bmx.bmv_iflags = (cmd == XFS_IOC_GETBMAPA ? BMV_IF_ATTRFORK : 0); if (ioflags & IO_INVIS) @@ -1395,7 +1395,7 @@ xfs_ioc_getbmap( /* copy back header - only size of getbmap */ if (copy_to_user(arg, &bmx, sizeof(struct getbmap))) - return -XFS_ERROR(EFAULT); + return -EFAULT; return 0; } @@ -1405,7 +1405,7 @@ xfs_getbmapx_format(void **ap, struct getbmapx *bmv, int *full) struct getbmapx __user *base = *ap; if (copy_to_user(base, bmv, sizeof(struct getbmapx))) - return XFS_ERROR(EFAULT); + return EFAULT; *ap += sizeof(struct getbmapx); return 0; @@ -1420,13 +1420,13 @@ xfs_ioc_getbmapx( int error; if (copy_from_user(&bmx, arg, sizeof(bmx))) - return -XFS_ERROR(EFAULT); + return -EFAULT; if (bmx.bmv_count < 2) - return -XFS_ERROR(EINVAL); + return -EINVAL; if (bmx.bmv_iflags & (~BMV_IF_VALID)) - return -XFS_ERROR(EINVAL); + return -EINVAL; error = xfs_getbmap(ip, &bmx, xfs_getbmapx_format, (struct getbmapx *)arg+1); @@ -1435,7 +1435,7 @@ xfs_ioc_getbmapx( /* copy back header */ if (copy_to_user(arg, &bmx, sizeof(struct getbmapx))) - return -XFS_ERROR(EFAULT); + return -EFAULT; return 0; } @@ -1451,33 +1451,33 @@ xfs_ioc_swapext( /* Pull information for the target fd */ f = fdget((int)sxp->sx_fdtarget); if (!f.file) { - error = XFS_ERROR(EINVAL); + error = EINVAL; goto out; } if (!(f.file->f_mode & FMODE_WRITE) || !(f.file->f_mode & FMODE_READ) || (f.file->f_flags & O_APPEND)) { - error = XFS_ERROR(EBADF); + error = EBADF; goto out_put_file; } tmp = fdget((int)sxp->sx_fdtmp); if (!tmp.file) { - error = XFS_ERROR(EINVAL); + error = EINVAL; goto out_put_file; } if (!(tmp.file->f_mode & FMODE_WRITE) || !(tmp.file->f_mode & FMODE_READ) || (tmp.file->f_flags & O_APPEND)) { - error = XFS_ERROR(EBADF); + error = EBADF; goto out_put_tmp_file; } if (IS_SWAPFILE(file_inode(f.file)) || IS_SWAPFILE(file_inode(tmp.file))) { - error = XFS_ERROR(EINVAL); + error = EINVAL; goto out_put_tmp_file; } @@ -1485,17 +1485,17 @@ xfs_ioc_swapext( tip = XFS_I(file_inode(tmp.file)); if (ip->i_mount != tip->i_mount) { - error = XFS_ERROR(EINVAL); + error = EINVAL; goto out_put_tmp_file; } if (ip->i_ino == tip->i_ino) { - error = XFS_ERROR(EINVAL); + error = EINVAL; goto out_put_tmp_file; } if (XFS_FORCED_SHUTDOWN(ip->i_mount)) { - error = XFS_ERROR(EIO); + error = EIO; goto out_put_tmp_file; } @@ -1548,7 +1548,7 @@ xfs_file_ioctl( xfs_flock64_t bf; if (copy_from_user(&bf, arg, sizeof(bf))) - return -XFS_ERROR(EFAULT); + return -EFAULT; return xfs_ioc_space(ip, inode, filp, ioflags, cmd, &bf); } case XFS_IOC_DIOINFO: { @@ -1561,7 +1561,7 @@ xfs_file_ioctl( da.d_maxiosz = INT_MAX & ~(da.d_miniosz - 1); if (copy_to_user(arg, &da, sizeof(da))) - return -XFS_ERROR(EFAULT); + return -EFAULT; return 0; } @@ -1594,7 +1594,7 @@ xfs_file_ioctl( struct fsdmidata dmi; if (copy_from_user(&dmi, arg, sizeof(dmi))) - return -XFS_ERROR(EFAULT); + return -EFAULT; error = mnt_want_write_file(filp); if (error) @@ -1619,14 +1619,14 @@ xfs_file_ioctl( xfs_fsop_handlereq_t hreq; if (copy_from_user(&hreq, arg, sizeof(hreq))) - return -XFS_ERROR(EFAULT); + return -EFAULT; return xfs_find_handle(cmd, &hreq); } case XFS_IOC_OPEN_BY_HANDLE: { xfs_fsop_handlereq_t hreq; if (copy_from_user(&hreq, arg, sizeof(xfs_fsop_handlereq_t))) - return -XFS_ERROR(EFAULT); + return -EFAULT; return xfs_open_by_handle(filp, &hreq); } case XFS_IOC_FSSETDM_BY_HANDLE: @@ -1636,7 +1636,7 @@ xfs_file_ioctl( xfs_fsop_handlereq_t hreq; if (copy_from_user(&hreq, arg, sizeof(xfs_fsop_handlereq_t))) - return -XFS_ERROR(EFAULT); + return -EFAULT; return xfs_readlink_by_handle(filp, &hreq); } case XFS_IOC_ATTRLIST_BY_HANDLE: @@ -1649,7 +1649,7 @@ xfs_file_ioctl( struct xfs_swapext sxp; if (copy_from_user(&sxp, arg, sizeof(xfs_swapext_t))) - return -XFS_ERROR(EFAULT); + return -EFAULT; error = mnt_want_write_file(filp); if (error) return error; @@ -1666,7 +1666,7 @@ xfs_file_ioctl( return -error; if (copy_to_user(arg, &out, sizeof(out))) - return -XFS_ERROR(EFAULT); + return -EFAULT; return 0; } @@ -1678,10 +1678,10 @@ xfs_file_ioctl( return -EPERM; if (mp->m_flags & XFS_MOUNT_RDONLY) - return -XFS_ERROR(EROFS); + return -EROFS; if (copy_from_user(&inout, arg, sizeof(inout))) - return -XFS_ERROR(EFAULT); + return -EFAULT; error = mnt_want_write_file(filp); if (error) @@ -1695,7 +1695,7 @@ xfs_file_ioctl( return -error; if (copy_to_user(arg, &inout, sizeof(inout))) - return -XFS_ERROR(EFAULT); + return -EFAULT; return 0; } @@ -1710,7 +1710,7 @@ xfs_file_ioctl( return -error; if (copy_to_user(arg, &out, sizeof(out))) - return -XFS_ERROR(EFAULT); + return -EFAULT; return 0; } @@ -1719,7 +1719,7 @@ xfs_file_ioctl( xfs_growfs_data_t in; if (copy_from_user(&in, arg, sizeof(in))) - return -XFS_ERROR(EFAULT); + return -EFAULT; error = mnt_want_write_file(filp); if (error) @@ -1733,7 +1733,7 @@ xfs_file_ioctl( xfs_growfs_log_t in; if (copy_from_user(&in, arg, sizeof(in))) - return -XFS_ERROR(EFAULT); + return -EFAULT; error = mnt_want_write_file(filp); if (error) @@ -1747,7 +1747,7 @@ xfs_file_ioctl( xfs_growfs_rt_t in; if (copy_from_user(&in, arg, sizeof(in))) - return -XFS_ERROR(EFAULT); + return -EFAULT; error = mnt_want_write_file(filp); if (error) @@ -1764,7 +1764,7 @@ xfs_file_ioctl( return -EPERM; if (get_user(in, (__uint32_t __user *)arg)) - return -XFS_ERROR(EFAULT); + return -EFAULT; error = xfs_fs_goingdown(mp, in); return -error; @@ -1777,7 +1777,7 @@ xfs_file_ioctl( return -EPERM; if (copy_from_user(&in, arg, sizeof(in))) - return -XFS_ERROR(EFAULT); + return -EFAULT; error = xfs_errortag_add(in.errtag, mp); return -error; @@ -1798,10 +1798,10 @@ xfs_file_ioctl( return -EPERM; if (mp->m_flags & XFS_MOUNT_RDONLY) - return -XFS_ERROR(EROFS); + return -EROFS; if (copy_from_user(&eofb, arg, sizeof(eofb))) - return -XFS_ERROR(EFAULT); + return -EFAULT; error = xfs_fs_eofblocks_from_user(&eofb, &keofb); if (error) diff --git a/fs/xfs/xfs_ioctl32.c b/fs/xfs/xfs_ioctl32.c index a7992f8..8916c13 100644 --- a/fs/xfs/xfs_ioctl32.c +++ b/fs/xfs/xfs_ioctl32.c @@ -56,7 +56,7 @@ xfs_compat_flock64_copyin( get_user(bf->l_sysid, &arg32->l_sysid) || get_user(bf->l_pid, &arg32->l_pid) || copy_from_user(bf->l_pad, &arg32->l_pad, 4*sizeof(u32))) - return -XFS_ERROR(EFAULT); + return -EFAULT; return 0; } @@ -73,7 +73,7 @@ xfs_compat_ioc_fsgeometry_v1( return -error; /* The 32-bit variant simply has some padding at the end */ if (copy_to_user(arg32, &fsgeo, sizeof(struct compat_xfs_fsop_geom_v1))) - return -XFS_ERROR(EFAULT); + return -EFAULT; return 0; } @@ -84,7 +84,7 @@ xfs_compat_growfs_data_copyin( { if (get_user(in->newblocks, &arg32->newblocks) || get_user(in->imaxpct, &arg32->imaxpct)) - return -XFS_ERROR(EFAULT); + return -EFAULT; return 0; } @@ -95,7 +95,7 @@ xfs_compat_growfs_rt_copyin( { if (get_user(in->newblocks, &arg32->newblocks) || get_user(in->extsize, &arg32->extsize)) - return -XFS_ERROR(EFAULT); + return -EFAULT; return 0; } @@ -113,7 +113,7 @@ xfs_inumbers_fmt_compat( if (put_user(buffer[i].xi_startino, &p32[i].xi_startino) || put_user(buffer[i].xi_alloccount, &p32[i].xi_alloccount) || put_user(buffer[i].xi_allocmask, &p32[i].xi_allocmask)) - return -XFS_ERROR(EFAULT); + return -EFAULT; } *written = count * sizeof(*p32); return 0; @@ -132,7 +132,7 @@ xfs_ioctl32_bstime_copyin( if (get_user(sec32, &bstime32->tv_sec) || get_user(bstime->tv_nsec, &bstime32->tv_nsec)) - return -XFS_ERROR(EFAULT); + return -EFAULT; bstime->tv_sec = sec32; return 0; } @@ -164,7 +164,7 @@ xfs_ioctl32_bstat_copyin( get_user(bstat->bs_dmevmask, &bstat32->bs_dmevmask) || get_user(bstat->bs_dmstate, &bstat32->bs_dmstate) || get_user(bstat->bs_aextents, &bstat32->bs_aextents)) - return -XFS_ERROR(EFAULT); + return -EFAULT; return 0; } @@ -180,7 +180,7 @@ xfs_bstime_store_compat( sec32 = p->tv_sec; if (put_user(sec32, &p32->tv_sec) || put_user(p->tv_nsec, &p32->tv_nsec)) - return -XFS_ERROR(EFAULT); + return -EFAULT; return 0; } @@ -195,7 +195,7 @@ xfs_bulkstat_one_fmt_compat( compat_xfs_bstat_t __user *p32 = ubuffer; if (ubsize < sizeof(*p32)) - return XFS_ERROR(ENOMEM); + return ENOMEM; if (put_user(buffer->bs_ino, &p32->bs_ino) || put_user(buffer->bs_mode, &p32->bs_mode) || @@ -218,7 +218,7 @@ xfs_bulkstat_one_fmt_compat( put_user(buffer->bs_dmevmask, &p32->bs_dmevmask) || put_user(buffer->bs_dmstate, &p32->bs_dmstate) || put_user(buffer->bs_aextents, &p32->bs_aextents)) - return XFS_ERROR(EFAULT); + return EFAULT; if (ubused) *ubused = sizeof(*p32); return 0; @@ -256,30 +256,30 @@ xfs_compat_ioc_bulkstat( /* should be called again (unused here, but used in dmapi) */ if (!capable(CAP_SYS_ADMIN)) - return -XFS_ERROR(EPERM); + return -EPERM; if (XFS_FORCED_SHUTDOWN(mp)) - return -XFS_ERROR(EIO); + return -EIO; if (get_user(addr, &p32->lastip)) - return -XFS_ERROR(EFAULT); + return -EFAULT; bulkreq.lastip = compat_ptr(addr); if (get_user(bulkreq.icount, &p32->icount) || get_user(addr, &p32->ubuffer)) - return -XFS_ERROR(EFAULT); + return -EFAULT; bulkreq.ubuffer = compat_ptr(addr); if (get_user(addr, &p32->ocount)) - return -XFS_ERROR(EFAULT); + return -EFAULT; bulkreq.ocount = compat_ptr(addr); if (copy_from_user(&inlast, bulkreq.lastip, sizeof(__s64))) - return -XFS_ERROR(EFAULT); + return -EFAULT; if ((count = bulkreq.icount) <= 0) - return -XFS_ERROR(EINVAL); + return -EINVAL; if (bulkreq.ubuffer == NULL) - return -XFS_ERROR(EINVAL); + return -EINVAL; if (cmd == XFS_IOC_FSINUMBERS_32) { error = xfs_inumbers(mp, &inlast, &count, @@ -294,17 +294,17 @@ xfs_compat_ioc_bulkstat( xfs_bulkstat_one_compat, sizeof(compat_xfs_bstat_t), bulkreq.ubuffer, &done); } else - error = XFS_ERROR(EINVAL); + error = EINVAL; if (error) return -error; if (bulkreq.ocount != NULL) { if (copy_to_user(bulkreq.lastip, &inlast, sizeof(xfs_ino_t))) - return -XFS_ERROR(EFAULT); + return -EFAULT; if (copy_to_user(bulkreq.ocount, &count, sizeof(count))) - return -XFS_ERROR(EFAULT); + return -EFAULT; } return 0; @@ -318,7 +318,7 @@ xfs_compat_handlereq_copyin( compat_xfs_fsop_handlereq_t hreq32; if (copy_from_user(&hreq32, arg32, sizeof(compat_xfs_fsop_handlereq_t))) - return -XFS_ERROR(EFAULT); + return -EFAULT; hreq->fd = hreq32.fd; hreq->path = compat_ptr(hreq32.path); @@ -352,19 +352,19 @@ xfs_compat_attrlist_by_handle( char *kbuf; if (!capable(CAP_SYS_ADMIN)) - return -XFS_ERROR(EPERM); + return -EPERM; if (copy_from_user(&al_hreq, arg, sizeof(compat_xfs_fsop_attrlist_handlereq_t))) - return -XFS_ERROR(EFAULT); + return -EFAULT; if (al_hreq.buflen < sizeof(struct attrlist) || al_hreq.buflen > XATTR_LIST_MAX) - return -XFS_ERROR(EINVAL); + return -EINVAL; /* * Reject flags, only allow namespaces. */ if (al_hreq.flags & ~(ATTR_ROOT | ATTR_SECURE)) - return -XFS_ERROR(EINVAL); + return -EINVAL; dentry = xfs_compat_handlereq_to_dentry(parfilp, &al_hreq.hreq); if (IS_ERR(dentry)) @@ -404,10 +404,10 @@ xfs_compat_attrmulti_by_handle( unsigned char *attr_name; if (!capable(CAP_SYS_ADMIN)) - return -XFS_ERROR(EPERM); + return -EPERM; if (copy_from_user(&am_hreq, arg, sizeof(compat_xfs_fsop_attrmulti_handlereq_t))) - return -XFS_ERROR(EFAULT); + return -EFAULT; /* overflow check */ if (am_hreq.opcount >= INT_MAX / sizeof(compat_xfs_attr_multiop_t)) @@ -474,7 +474,7 @@ xfs_compat_attrmulti_by_handle( } if (copy_to_user(compat_ptr(am_hreq.ops), ops, size)) - error = XFS_ERROR(EFAULT); + error = EFAULT; kfree(attr_name); out_kfree_ops: @@ -495,22 +495,22 @@ xfs_compat_fssetdm_by_handle( struct dentry *dentry; if (!capable(CAP_MKNOD)) - return -XFS_ERROR(EPERM); + return -EPERM; if (copy_from_user(&dmhreq, arg, sizeof(compat_xfs_fsop_setdm_handlereq_t))) - return -XFS_ERROR(EFAULT); + return -EFAULT; dentry = xfs_compat_handlereq_to_dentry(parfilp, &dmhreq.hreq); if (IS_ERR(dentry)) return PTR_ERR(dentry); if (IS_IMMUTABLE(dentry->d_inode) || IS_APPEND(dentry->d_inode)) { - error = -XFS_ERROR(EPERM); + error = -EPERM; goto out; } if (copy_from_user(&fsd, compat_ptr(dmhreq.data), sizeof(fsd))) { - error = -XFS_ERROR(EFAULT); + error = -EFAULT; goto out; } @@ -587,7 +587,7 @@ xfs_file_compat_ioctl( struct xfs_flock64 bf; if (xfs_compat_flock64_copyin(&bf, arg)) - return -XFS_ERROR(EFAULT); + return -EFAULT; cmd = _NATIVE_IOC(cmd, struct xfs_flock64); return xfs_ioc_space(ip, inode, filp, ioflags, cmd, &bf); } @@ -597,7 +597,7 @@ xfs_file_compat_ioctl( struct xfs_growfs_data in; if (xfs_compat_growfs_data_copyin(&in, arg)) - return -XFS_ERROR(EFAULT); + return -EFAULT; error = mnt_want_write_file(filp); if (error) return error; @@ -609,7 +609,7 @@ xfs_file_compat_ioctl( struct xfs_growfs_rt in; if (xfs_compat_growfs_rt_copyin(&in, arg)) - return -XFS_ERROR(EFAULT); + return -EFAULT; error = mnt_want_write_file(filp); if (error) return error; @@ -632,7 +632,7 @@ xfs_file_compat_ioctl( if (copy_from_user(&sxp, sxu, offsetof(struct xfs_swapext, sx_stat)) || xfs_ioctl32_bstat_copyin(&sxp.sx_stat, &sxu->sx_stat)) - return -XFS_ERROR(EFAULT); + return -EFAULT; error = mnt_want_write_file(filp); if (error) return error; @@ -650,7 +650,7 @@ xfs_file_compat_ioctl( struct xfs_fsop_handlereq hreq; if (xfs_compat_handlereq_copyin(&hreq, arg)) - return -XFS_ERROR(EFAULT); + return -EFAULT; cmd = _NATIVE_IOC(cmd, struct xfs_fsop_handlereq); return xfs_find_handle(cmd, &hreq); } @@ -658,14 +658,14 @@ xfs_file_compat_ioctl( struct xfs_fsop_handlereq hreq; if (xfs_compat_handlereq_copyin(&hreq, arg)) - return -XFS_ERROR(EFAULT); + return -EFAULT; return xfs_open_by_handle(filp, &hreq); } case XFS_IOC_READLINK_BY_HANDLE_32: { struct xfs_fsop_handlereq hreq; if (xfs_compat_handlereq_copyin(&hreq, arg)) - return -XFS_ERROR(EFAULT); + return -EFAULT; return xfs_readlink_by_handle(filp, &hreq); } case XFS_IOC_ATTRLIST_BY_HANDLE_32: @@ -675,6 +675,6 @@ xfs_file_compat_ioctl( case XFS_IOC_FSSETDM_BY_HANDLE_32: return xfs_compat_fssetdm_by_handle(filp, arg); default: - return -XFS_ERROR(ENOIOCTLCMD); + return -ENOIOCTLCMD; } } diff --git a/fs/xfs/xfs_iomap.c b/fs/xfs/xfs_iomap.c index 3b80eba..2bf7d12 100644 --- a/fs/xfs/xfs_iomap.c +++ b/fs/xfs/xfs_iomap.c @@ -138,7 +138,7 @@ xfs_iomap_write_direct( error = xfs_qm_dqattach(ip, 0); if (error) - return XFS_ERROR(error); + return error; rt = XFS_IS_REALTIME_INODE(ip); extsz = xfs_get_extsz_hint(ip); @@ -148,7 +148,7 @@ xfs_iomap_write_direct( if ((offset + count) > XFS_ISIZE(ip)) { error = xfs_iomap_eof_align_last_fsb(mp, ip, extsz, &last_fsb); if (error) - return XFS_ERROR(error); + return error; } else { if (nmaps && (imap->br_startblock == HOLESTARTBLOCK)) last_fsb = MIN(last_fsb, (xfs_fileoff_t) @@ -188,7 +188,7 @@ xfs_iomap_write_direct( */ if (error) { xfs_trans_cancel(tp, 0); - return XFS_ERROR(error); + return error; } xfs_ilock(ip, XFS_ILOCK_EXCL); @@ -225,7 +225,7 @@ xfs_iomap_write_direct( * Copy any maps to caller's array and return any error. */ if (nimaps == 0) { - error = XFS_ERROR(ENOSPC); + error = ENOSPC; goto out_unlock; } @@ -552,7 +552,7 @@ xfs_iomap_write_delay( */ error = xfs_qm_dqattach_locked(ip, 0); if (error) - return XFS_ERROR(error); + return error; extsz = xfs_get_extsz_hint(ip); offset_fsb = XFS_B_TO_FSBT(mp, offset); @@ -600,7 +600,7 @@ retry: case EDQUOT: break; default: - return XFS_ERROR(error); + return error; } /* @@ -614,7 +614,7 @@ retry: error = 0; goto retry; } - return XFS_ERROR(error ? error : ENOSPC); + return error ? error : ENOSPC; } if (!(imap[0].br_startblock || XFS_IS_REALTIME_INODE(ip))) @@ -663,7 +663,7 @@ xfs_iomap_write_allocate( */ error = xfs_qm_dqattach(ip, 0); if (error) - return XFS_ERROR(error); + return error; offset_fsb = XFS_B_TO_FSBT(mp, offset); count_fsb = imap->br_blockcount; @@ -690,7 +690,7 @@ xfs_iomap_write_allocate( nres, 0); if (error) { xfs_trans_cancel(tp, 0); - return XFS_ERROR(error); + return error; } xfs_ilock(ip, XFS_ILOCK_EXCL); xfs_trans_ijoin(tp, ip, 0); @@ -794,7 +794,7 @@ trans_cancel: xfs_trans_cancel(tp, XFS_TRANS_RELEASE_LOG_RES | XFS_TRANS_ABORT); error0: xfs_iunlock(ip, XFS_ILOCK_EXCL); - return XFS_ERROR(error); + return error; } int @@ -854,7 +854,7 @@ xfs_iomap_write_unwritten( resblks, 0); if (error) { xfs_trans_cancel(tp, 0); - return XFS_ERROR(error); + return error; } xfs_ilock(ip, XFS_ILOCK_EXCL); @@ -893,7 +893,7 @@ xfs_iomap_write_unwritten( error = xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES); xfs_iunlock(ip, XFS_ILOCK_EXCL); if (error) - return XFS_ERROR(error); + return error; if (!(imap.br_startblock || XFS_IS_REALTIME_INODE(ip))) return xfs_alert_fsblock_zero(ip, &imap); @@ -916,5 +916,5 @@ error_on_bmapi_transaction: xfs_bmap_cancel(&free_list); xfs_trans_cancel(tp, (XFS_TRANS_RELEASE_LOG_RES | XFS_TRANS_ABORT)); xfs_iunlock(ip, XFS_ILOCK_EXCL); - return XFS_ERROR(error); + return error; } diff --git a/fs/xfs/xfs_iops.c b/fs/xfs/xfs_iops.c index 89b07e4..1342884 100644 --- a/fs/xfs/xfs_iops.c +++ b/fs/xfs/xfs_iops.c @@ -420,7 +420,7 @@ xfs_vn_getattr( trace_xfs_getattr(ip); if (XFS_FORCED_SHUTDOWN(mp)) - return -XFS_ERROR(EIO); + return -EIO; stat->size = XFS_ISIZE(ip); stat->dev = inode->i_sb->s_dev; @@ -525,14 +525,14 @@ xfs_setattr_nonsize( /* If acls are being inherited, we already have this checked */ if (!(flags & XFS_ATTR_NOACL)) { if (mp->m_flags & XFS_MOUNT_RDONLY) - return XFS_ERROR(EROFS); + return EROFS; if (XFS_FORCED_SHUTDOWN(mp)) - return XFS_ERROR(EIO); + return EIO; error = -inode_change_ok(inode, iattr); if (error) - return XFS_ERROR(error); + return error; } ASSERT((mask & ATTR_SIZE) == 0); @@ -682,7 +682,7 @@ xfs_setattr_nonsize( xfs_qm_dqrele(gdqp); if (error) - return XFS_ERROR(error); + return error; /* * XXX(hch): Updating the ACL entries is not atomic vs the i_mode @@ -694,7 +694,7 @@ xfs_setattr_nonsize( if ((mask & ATTR_MODE) && !(flags & XFS_ATTR_NOACL)) { error = -posix_acl_chmod(inode, inode->i_mode); if (error) - return XFS_ERROR(error); + return error; } return 0; @@ -727,14 +727,14 @@ xfs_setattr_size( trace_xfs_setattr(ip); if (mp->m_flags & XFS_MOUNT_RDONLY) - return XFS_ERROR(EROFS); + return EROFS; if (XFS_FORCED_SHUTDOWN(mp)) - return XFS_ERROR(EIO); + return EIO; error = -inode_change_ok(inode, iattr); if (error) - return XFS_ERROR(error); + return error; ASSERT(xfs_isilocked(ip, XFS_IOLOCK_EXCL)); ASSERT(S_ISREG(ip->i_d.di_mode)); diff --git a/fs/xfs/xfs_itable.c b/fs/xfs/xfs_itable.c index f463382..6dc5edd 100644 --- a/fs/xfs/xfs_itable.c +++ b/fs/xfs/xfs_itable.c @@ -67,11 +67,11 @@ xfs_bulkstat_one_int( *stat = BULKSTAT_RV_NOTHING; if (!buffer || xfs_internal_inum(mp, ino)) - return XFS_ERROR(EINVAL); + return EINVAL; buf = kmem_alloc(sizeof(*buf), KM_SLEEP | KM_MAYFAIL); if (!buf) - return XFS_ERROR(ENOMEM); + return ENOMEM; error = xfs_iget(mp, NULL, ino, (XFS_IGET_DONTCACHE | XFS_IGET_UNTRUSTED), @@ -154,9 +154,9 @@ xfs_bulkstat_one_fmt( const xfs_bstat_t *buffer) { if (ubsize < sizeof(*buffer)) - return XFS_ERROR(ENOMEM); + return ENOMEM; if (copy_to_user(ubuffer, buffer, sizeof(*buffer))) - return XFS_ERROR(EFAULT); + return EFAULT; if (ubused) *ubused = sizeof(*buffer); return 0; @@ -551,7 +551,7 @@ xfs_bulkstat_single( return error; if (count == 0 || (xfs_ino_t)*lastinop != ino) return error == EFSCORRUPTED ? - XFS_ERROR(EINVAL) : error; + EINVAL : error; else return 0; } @@ -659,7 +659,7 @@ xfs_inumbers( if (bufidx == bcount) { long written; if (formatter(ubuffer, buffer, bufidx, &written)) { - error = XFS_ERROR(EFAULT); + error = EFAULT; break; } ubuffer += written; @@ -686,7 +686,7 @@ xfs_inumbers( if (bufidx) { long written; if (formatter(ubuffer, buffer, bufidx, &written)) - error = XFS_ERROR(EFAULT); + error = EFAULT; else *count += bufidx; } diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c index 8497a00..493ac0d 100644 --- a/fs/xfs/xfs_log.c +++ b/fs/xfs/xfs_log.c @@ -283,7 +283,7 @@ xlog_grant_head_wait( return 0; shutdown: list_del_init(&tic->t_queue); - return XFS_ERROR(EIO); + return EIO; } /* @@ -377,7 +377,7 @@ xfs_log_regrant( int error = 0; if (XLOG_FORCED_SHUTDOWN(log)) - return XFS_ERROR(EIO); + return EIO; XFS_STATS_INC(xs_try_logspace); @@ -446,7 +446,7 @@ xfs_log_reserve( ASSERT(client == XFS_TRANSACTION || client == XFS_LOG); if (XLOG_FORCED_SHUTDOWN(log)) - return XFS_ERROR(EIO); + return EIO; XFS_STATS_INC(xs_try_logspace); @@ -454,7 +454,7 @@ xfs_log_reserve( tic = xlog_ticket_alloc(log, unit_bytes, cnt, client, permanent, KM_SLEEP | KM_MAYFAIL); if (!tic) - return XFS_ERROR(ENOMEM); + return ENOMEM; tic->t_trans_type = t_type; *ticp = tic; @@ -2323,7 +2323,7 @@ xlog_write( ophdr = xlog_write_setup_ophdr(log, ptr, ticket, flags); if (!ophdr) - return XFS_ERROR(EIO); + return EIO; xlog_write_adv_cnt(&ptr, &len, &log_offset, sizeof(struct xlog_op_header)); @@ -2822,7 +2822,7 @@ restart: spin_lock(&log->l_icloglock); if (XLOG_FORCED_SHUTDOWN(log)) { spin_unlock(&log->l_icloglock); - return XFS_ERROR(EIO); + return EIO; } iclog = log->l_iclog; @@ -3010,7 +3010,7 @@ xlog_state_release_iclog( int sync = 0; /* do we sync? */ if (iclog->ic_state & XLOG_STATE_IOERROR) - return XFS_ERROR(EIO); + return EIO; ASSERT(atomic_read(&iclog->ic_refcnt) > 0); if (!atomic_dec_and_lock(&iclog->ic_refcnt, &log->l_icloglock)) @@ -3018,7 +3018,7 @@ xlog_state_release_iclog( if (iclog->ic_state & XLOG_STATE_IOERROR) { spin_unlock(&log->l_icloglock); - return XFS_ERROR(EIO); + return EIO; } ASSERT(iclog->ic_state == XLOG_STATE_ACTIVE || iclog->ic_state == XLOG_STATE_WANT_SYNC); @@ -3135,7 +3135,7 @@ _xfs_log_force( iclog = log->l_iclog; if (iclog->ic_state & XLOG_STATE_IOERROR) { spin_unlock(&log->l_icloglock); - return XFS_ERROR(EIO); + return EIO; } /* If the head iclog is not active nor dirty, we just attach @@ -3173,7 +3173,7 @@ _xfs_log_force( spin_unlock(&log->l_icloglock); if (xlog_state_release_iclog(log, iclog)) - return XFS_ERROR(EIO); + return EIO; if (log_flushed) *log_flushed = 1; @@ -3209,7 +3209,7 @@ maybe_sleep: */ if (iclog->ic_state & XLOG_STATE_IOERROR) { spin_unlock(&log->l_icloglock); - return XFS_ERROR(EIO); + return EIO; } XFS_STATS_INC(xs_log_force_sleep); xlog_wait(&iclog->ic_force_wait, &log->l_icloglock); @@ -3219,7 +3219,7 @@ maybe_sleep: * and the memory read should be atomic. */ if (iclog->ic_state & XLOG_STATE_IOERROR) - return XFS_ERROR(EIO); + return EIO; if (log_flushed) *log_flushed = 1; } else { @@ -3287,7 +3287,7 @@ try_again: iclog = log->l_iclog; if (iclog->ic_state & XLOG_STATE_IOERROR) { spin_unlock(&log->l_icloglock); - return XFS_ERROR(EIO); + return EIO; } do { @@ -3338,7 +3338,7 @@ try_again: xlog_state_switch_iclogs(log, iclog, 0); spin_unlock(&log->l_icloglock); if (xlog_state_release_iclog(log, iclog)) - return XFS_ERROR(EIO); + return EIO; if (log_flushed) *log_flushed = 1; spin_lock(&log->l_icloglock); @@ -3353,7 +3353,7 @@ try_again: */ if (iclog->ic_state & XLOG_STATE_IOERROR) { spin_unlock(&log->l_icloglock); - return XFS_ERROR(EIO); + return EIO; } XFS_STATS_INC(xs_log_force_sleep); xlog_wait(&iclog->ic_force_wait, &log->l_icloglock); @@ -3363,7 +3363,7 @@ try_again: * and the memory read should be atomic. */ if (iclog->ic_state & XLOG_STATE_IOERROR) - return XFS_ERROR(EIO); + return EIO; if (log_flushed) *log_flushed = 1; diff --git a/fs/xfs/xfs_log_cil.c b/fs/xfs/xfs_log_cil.c index 7e54553..b0cc05a 100644 --- a/fs/xfs/xfs_log_cil.c +++ b/fs/xfs/xfs_log_cil.c @@ -615,7 +615,7 @@ out_abort_free_ticket: xfs_log_ticket_put(tic); out_abort: xlog_cil_committed(ctx, XFS_LI_ABORTED); - return XFS_ERROR(EIO); + return EIO; } static void diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c index ae82df0..1aa5a67 100644 --- a/fs/xfs/xfs_log_recover.c +++ b/fs/xfs/xfs_log_recover.c @@ -194,7 +194,7 @@ xlog_bread_noalign( bp->b_error = 0; if (XFS_FORCED_SHUTDOWN(log->l_mp)) - return XFS_ERROR(EIO); + return EIO; xfs_buf_iorequest(bp); error = xfs_buf_iowait(bp); @@ -330,14 +330,14 @@ xlog_header_check_recover( xlog_header_check_dump(mp, head); XFS_ERROR_REPORT("xlog_header_check_recover(1)", XFS_ERRLEVEL_HIGH, mp); - return XFS_ERROR(EFSCORRUPTED); + return EFSCORRUPTED; } else if (unlikely(!uuid_equal(&mp->m_sb.sb_uuid, &head->h_fs_uuid))) { xfs_warn(mp, "dirty log entry has mismatched uuid - can't recover"); xlog_header_check_dump(mp, head); XFS_ERROR_REPORT("xlog_header_check_recover(2)", XFS_ERRLEVEL_HIGH, mp); - return XFS_ERROR(EFSCORRUPTED); + return EFSCORRUPTED; } return 0; } @@ -364,7 +364,7 @@ xlog_header_check_mount( xlog_header_check_dump(mp, head); XFS_ERROR_REPORT("xlog_header_check_mount", XFS_ERRLEVEL_HIGH, mp); - return XFS_ERROR(EFSCORRUPTED); + return EFSCORRUPTED; } return 0; } @@ -539,7 +539,7 @@ xlog_find_verify_log_record( xfs_warn(log->l_mp, "Log inconsistent (didn't find previous header)"); ASSERT(0); - error = XFS_ERROR(EIO); + error = EIO; goto out; } @@ -820,7 +820,7 @@ validate_head: /* start ptr at last block ptr before head_blk */ if ((error = xlog_find_verify_log_record(log, start_blk, &head_blk, 0)) == -1) { - error = XFS_ERROR(EIO); + error = EIO; goto bp_err; } else if (error) goto bp_err; @@ -838,7 +838,7 @@ validate_head: if ((error = xlog_find_verify_log_record(log, start_blk, &new_blk, (int)head_blk)) == -1) { - error = XFS_ERROR(EIO); + error = EIO; goto bp_err; } else if (error) goto bp_err; @@ -961,7 +961,7 @@ xlog_find_tail( xfs_warn(log->l_mp, "%s: couldn't find sync record", __func__); xlog_put_bp(bp); ASSERT(0); - return XFS_ERROR(EIO); + return EIO; } /* find blk_no of tail of log */ @@ -1141,7 +1141,7 @@ xlog_find_zeroed( */ xfs_warn(log->l_mp, "Log inconsistent or not a log (last==0, first!=1)"); - error = XFS_ERROR(EINVAL); + error = EINVAL; goto bp_err; } @@ -1181,7 +1181,7 @@ xlog_find_zeroed( */ if ((error = xlog_find_verify_log_record(log, start_blk, &last_blk, 0)) == -1) { - error = XFS_ERROR(EIO); + error = EIO; goto bp_err; } else if (error) goto bp_err; @@ -1354,7 +1354,7 @@ xlog_clear_stale_blocks( if (unlikely(head_block < tail_block || head_block >= log->l_logBBsize)) { XFS_ERROR_REPORT("xlog_clear_stale_blocks(1)", XFS_ERRLEVEL_LOW, log->l_mp); - return XFS_ERROR(EFSCORRUPTED); + return EFSCORRUPTED; } tail_distance = tail_block + (log->l_logBBsize - head_block); } else { @@ -1366,7 +1366,7 @@ xlog_clear_stale_blocks( if (unlikely(head_block >= tail_block || head_cycle != (tail_cycle + 1))){ XFS_ERROR_REPORT("xlog_clear_stale_blocks(2)", XFS_ERRLEVEL_LOW, log->l_mp); - return XFS_ERROR(EFSCORRUPTED); + return EFSCORRUPTED; } tail_distance = tail_block - head_block; } @@ -1551,7 +1551,7 @@ xlog_recover_add_to_trans( xfs_warn(log->l_mp, "%s: bad header magic number", __func__); ASSERT(0); - return XFS_ERROR(EIO); + return EIO; } if (len == sizeof(xfs_trans_header_t)) xlog_recover_add_item(&trans->r_itemq); @@ -1581,7 +1581,7 @@ xlog_recover_add_to_trans( in_f->ilf_size); ASSERT(0); kmem_free(ptr); - return XFS_ERROR(EIO); + return EIO; } item->ri_total = in_f->ilf_size; @@ -1702,7 +1702,7 @@ xlog_recover_reorder_trans( */ if (!list_empty(&sort_list)) list_splice_init(&sort_list, &trans->r_itemq); - error = XFS_ERROR(EIO); + error = EIO; goto out; } } @@ -1943,7 +1943,7 @@ xlog_recover_do_inode_buffer( item, bp); XFS_ERROR_REPORT("xlog_recover_do_inode_buf", XFS_ERRLEVEL_LOW, mp); - return XFS_ERROR(EFSCORRUPTED); + return EFSCORRUPTED; } buffer_nextp = (xfs_agino_t *)xfs_buf_offset(bp, @@ -2494,7 +2494,7 @@ xlog_recover_buffer_pass2( bp = xfs_buf_read(mp->m_ddev_targp, buf_f->blf_blkno, buf_f->blf_len, buf_flags, NULL); if (!bp) - return XFS_ERROR(ENOMEM); + return ENOMEM; error = bp->b_error; if (error) { xfs_buf_ioerror_alert(bp, "xlog_recover_do..(read#1)"); @@ -2917,7 +2917,7 @@ out_release: error: if (need_free) kmem_free(in_f); - return XFS_ERROR(error); + return error; } /* @@ -2974,12 +2974,12 @@ xlog_recover_dquot_pass2( recddq = item->ri_buf[1].i_addr; if (recddq == NULL) { xfs_alert(log->l_mp, "NULL dquot in %s.", __func__); - return XFS_ERROR(EIO); + return EIO; } if (item->ri_buf[1].i_len < sizeof(xfs_disk_dquot_t)) { xfs_alert(log->l_mp, "dquot too small (%d) in %s.", item->ri_buf[1].i_len, __func__); - return XFS_ERROR(EIO); + return EIO; } /* @@ -3005,7 +3005,7 @@ xlog_recover_dquot_pass2( error = xfs_dqcheck(mp, recddq, dq_f->qlf_id, 0, XFS_QMOPT_DOWARN, "xlog_recover_dquot_pass2 (log copy)"); if (error) - return XFS_ERROR(EIO); + return EIO; ASSERT(dq_f->qlf_len == 1); error = xfs_trans_read_buf(mp, NULL, mp->m_ddev_targp, dq_f->qlf_blkno, @@ -3026,7 +3026,7 @@ xlog_recover_dquot_pass2( "xlog_recover_dquot_pass2"); if (error) { xfs_buf_relse(bp); - return XFS_ERROR(EIO); + return EIO; } /* @@ -3387,7 +3387,7 @@ xlog_recover_commit_pass1( xfs_warn(log->l_mp, "%s: invalid item type (%d)", __func__, ITEM_TYPE(item)); ASSERT(0); - return XFS_ERROR(EIO); + return EIO; } } @@ -3423,7 +3423,7 @@ xlog_recover_commit_pass2( xfs_warn(log->l_mp, "%s: invalid item type (%d)", __func__, ITEM_TYPE(item)); ASSERT(0); - return XFS_ERROR(EIO); + return EIO; } } @@ -3559,7 +3559,7 @@ xlog_recover_process_data( /* check the log format matches our own - else we can't recover */ if (xlog_header_check_recover(log->l_mp, rhead)) - return XFS_ERROR(EIO); + return EIO; while ((dp < lp) && num_logops) { ASSERT(dp + sizeof(xlog_op_header_t) <= lp); @@ -3570,7 +3570,7 @@ xlog_recover_process_data( xfs_warn(log->l_mp, "%s: bad clientid 0x%x", __func__, ohead->oh_clientid); ASSERT(0); - return XFS_ERROR(EIO); + return EIO; } tid = be32_to_cpu(ohead->oh_tid); hash = XLOG_RHASH(tid); @@ -3584,7 +3584,7 @@ xlog_recover_process_data( xfs_warn(log->l_mp, "%s: bad length 0x%x", __func__, be32_to_cpu(ohead->oh_len)); WARN_ON(1); - return XFS_ERROR(EIO); + return EIO; } flags = ohead->oh_flags & ~XLOG_END_TRANS; if (flags & XLOG_WAS_CONT_TRANS) @@ -3606,7 +3606,7 @@ xlog_recover_process_data( xfs_warn(log->l_mp, "%s: bad transaction", __func__); ASSERT(0); - error = XFS_ERROR(EIO); + error = EIO; break; case 0: case XLOG_CONTINUE_TRANS: @@ -3617,7 +3617,7 @@ xlog_recover_process_data( xfs_warn(log->l_mp, "%s: bad flag 0x%x", __func__, flags); ASSERT(0); - error = XFS_ERROR(EIO); + error = EIO; break; } if (error) { @@ -3668,7 +3668,7 @@ xlog_recover_process_efi( */ set_bit(XFS_EFI_RECOVERED, &efip->efi_flags); xfs_efi_release(efip, efip->efi_format.efi_nextents); - return XFS_ERROR(EIO); + return EIO; } } @@ -4017,14 +4017,14 @@ xlog_valid_rec_header( if (unlikely(rhead->h_magicno != cpu_to_be32(XLOG_HEADER_MAGIC_NUM))) { XFS_ERROR_REPORT("xlog_valid_rec_header(1)", XFS_ERRLEVEL_LOW, log->l_mp); - return XFS_ERROR(EFSCORRUPTED); + return EFSCORRUPTED; } if (unlikely( (!rhead->h_version || (be32_to_cpu(rhead->h_version) & (~XLOG_VERSION_OKBITS))))) { xfs_warn(log->l_mp, "%s: unrecognised log version (%d).", __func__, be32_to_cpu(rhead->h_version)); - return XFS_ERROR(EIO); + return EIO; } /* LR body must have data or it wouldn't have been written */ @@ -4032,12 +4032,12 @@ xlog_valid_rec_header( if (unlikely( hlen <= 0 || hlen > INT_MAX )) { XFS_ERROR_REPORT("xlog_valid_rec_header(2)", XFS_ERRLEVEL_LOW, log->l_mp); - return XFS_ERROR(EFSCORRUPTED); + return EFSCORRUPTED; } if (unlikely( blkno > log->l_logBBsize || blkno > INT_MAX )) { XFS_ERROR_REPORT("xlog_valid_rec_header(3)", XFS_ERRLEVEL_LOW, log->l_mp); - return XFS_ERROR(EFSCORRUPTED); + return EFSCORRUPTED; } return 0; } @@ -4414,7 +4414,7 @@ xlog_do_recover( if (XFS_FORCED_SHUTDOWN(log->l_mp)) { xfs_buf_relse(bp); - return XFS_ERROR(EIO); + return EIO; } xfs_buf_iorequest(bp); diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c index 993cb19..982e8c7 100644 --- a/fs/xfs/xfs_mount.c +++ b/fs/xfs/xfs_mount.c @@ -76,7 +76,7 @@ xfs_uuid_mount( if (uuid_is_nil(uuid)) { xfs_warn(mp, "Filesystem has nil UUID - can't mount"); - return XFS_ERROR(EINVAL); + return EINVAL; } mutex_lock(&xfs_uuid_table_mutex); @@ -104,7 +104,7 @@ xfs_uuid_mount( out_duplicate: mutex_unlock(&xfs_uuid_table_mutex); xfs_warn(mp, "Filesystem has duplicate UUID %pU - can't mount", uuid); - return XFS_ERROR(EINVAL); + return EINVAL; } STATIC void @@ -381,7 +381,7 @@ xfs_update_alignment(xfs_mount_t *mp) xfs_warn(mp, "alignment check failed: sunit/swidth vs. blocksize(%d)", sbp->sb_blocksize); - return XFS_ERROR(EINVAL); + return EINVAL; } else { /* * Convert the stripe unit and width to FSBs. @@ -391,14 +391,14 @@ xfs_update_alignment(xfs_mount_t *mp) xfs_warn(mp, "alignment check failed: sunit/swidth vs. agsize(%d)", sbp->sb_agblocks); - return XFS_ERROR(EINVAL); + return EINVAL; } else if (mp->m_dalign) { mp->m_swidth = XFS_BB_TO_FSBT(mp, mp->m_swidth); } else { xfs_warn(mp, "alignment check failed: sunit(%d) less than bsize(%d)", mp->m_dalign, sbp->sb_blocksize); - return XFS_ERROR(EINVAL); + return EINVAL; } } @@ -418,7 +418,7 @@ xfs_update_alignment(xfs_mount_t *mp) } else { xfs_warn(mp, "cannot change alignment: superblock does not support data alignment"); - return XFS_ERROR(EINVAL); + return EINVAL; } } else if ((mp->m_flags & XFS_MOUNT_NOALIGN) != XFS_MOUNT_NOALIGN && xfs_sb_version_hasdalign(&mp->m_sb)) { @@ -545,7 +545,7 @@ xfs_check_sizes(xfs_mount_t *mp) d = (xfs_daddr_t)XFS_FSB_TO_BB(mp, mp->m_sb.sb_dblocks); if (XFS_BB_TO_FSB(mp, d) != mp->m_sb.sb_dblocks) { xfs_warn(mp, "filesystem size mismatch detected"); - return XFS_ERROR(EFBIG); + return EFBIG; } bp = xfs_buf_read_uncached(mp->m_ddev_targp, d - XFS_FSS_TO_BB(mp, 1), @@ -560,7 +560,7 @@ xfs_check_sizes(xfs_mount_t *mp) d = (xfs_daddr_t)XFS_FSB_TO_BB(mp, mp->m_sb.sb_logblocks); if (XFS_BB_TO_FSB(mp, d) != mp->m_sb.sb_logblocks) { xfs_warn(mp, "log size mismatch detected"); - return XFS_ERROR(EFBIG); + return EFBIG; } bp = xfs_buf_read_uncached(mp->m_logdev_targp, d - XFS_FSB_TO_BB(mp, 1), @@ -802,7 +802,7 @@ xfs_mountfs( if (!sbp->sb_logblocks) { xfs_warn(mp, "no log defined"); XFS_ERROR_REPORT("xfs_mountfs", XFS_ERRLEVEL_LOW, mp); - error = XFS_ERROR(EFSCORRUPTED); + error = EFSCORRUPTED; goto out_free_perag; } @@ -862,7 +862,7 @@ xfs_mountfs( xfs_iunlock(rip, XFS_ILOCK_EXCL); XFS_ERROR_REPORT("xfs_mountfs_int(2)", XFS_ERRLEVEL_LOW, mp); - error = XFS_ERROR(EFSCORRUPTED); + error = EFSCORRUPTED; goto out_rele_rip; } mp->m_rootip = rip; /* save it */ @@ -1135,7 +1135,7 @@ xfs_mod_incore_sb_unlocked( lcounter += delta; if (lcounter < 0) { ASSERT(0); - return XFS_ERROR(EINVAL); + return EINVAL; } mp->m_sb.sb_icount = lcounter; return 0; @@ -1144,7 +1144,7 @@ xfs_mod_incore_sb_unlocked( lcounter += delta; if (lcounter < 0) { ASSERT(0); - return XFS_ERROR(EINVAL); + return EINVAL; } mp->m_sb.sb_ifree = lcounter; return 0; @@ -1174,7 +1174,7 @@ xfs_mod_incore_sb_unlocked( * blocks if were allowed to. */ if (!rsvd) - return XFS_ERROR(ENOSPC); + return ENOSPC; lcounter = (long long)mp->m_resblks_avail + delta; if (lcounter >= 0) { @@ -1185,7 +1185,7 @@ xfs_mod_incore_sb_unlocked( "Filesystem \"%s\": reserve blocks depleted! " "Consider increasing reserve pool size.", mp->m_fsname); - return XFS_ERROR(ENOSPC); + return ENOSPC; } mp->m_sb.sb_fdblocks = lcounter + XFS_ALLOC_SET_ASIDE(mp); @@ -1194,7 +1194,7 @@ xfs_mod_incore_sb_unlocked( lcounter = (long long)mp->m_sb.sb_frextents; lcounter += delta; if (lcounter < 0) { - return XFS_ERROR(ENOSPC); + return ENOSPC; } mp->m_sb.sb_frextents = lcounter; return 0; @@ -1203,7 +1203,7 @@ xfs_mod_incore_sb_unlocked( lcounter += delta; if (lcounter < 0) { ASSERT(0); - return XFS_ERROR(EINVAL); + return EINVAL; } mp->m_sb.sb_dblocks = lcounter; return 0; @@ -1212,7 +1212,7 @@ xfs_mod_incore_sb_unlocked( scounter += delta; if (scounter < 0) { ASSERT(0); - return XFS_ERROR(EINVAL); + return EINVAL; } mp->m_sb.sb_agcount = scounter; return 0; @@ -1221,7 +1221,7 @@ xfs_mod_incore_sb_unlocked( scounter += delta; if (scounter < 0) { ASSERT(0); - return XFS_ERROR(EINVAL); + return EINVAL; } mp->m_sb.sb_imax_pct = scounter; return 0; @@ -1230,7 +1230,7 @@ xfs_mod_incore_sb_unlocked( scounter += delta; if (scounter < 0) { ASSERT(0); - return XFS_ERROR(EINVAL); + return EINVAL; } mp->m_sb.sb_rextsize = scounter; return 0; @@ -1239,7 +1239,7 @@ xfs_mod_incore_sb_unlocked( scounter += delta; if (scounter < 0) { ASSERT(0); - return XFS_ERROR(EINVAL); + return EINVAL; } mp->m_sb.sb_rbmblocks = scounter; return 0; @@ -1248,7 +1248,7 @@ xfs_mod_incore_sb_unlocked( lcounter += delta; if (lcounter < 0) { ASSERT(0); - return XFS_ERROR(EINVAL); + return EINVAL; } mp->m_sb.sb_rblocks = lcounter; return 0; @@ -1257,7 +1257,7 @@ xfs_mod_incore_sb_unlocked( lcounter += delta; if (lcounter < 0) { ASSERT(0); - return XFS_ERROR(EINVAL); + return EINVAL; } mp->m_sb.sb_rextents = lcounter; return 0; @@ -1266,13 +1266,13 @@ xfs_mod_incore_sb_unlocked( scounter += delta; if (scounter < 0) { ASSERT(0); - return XFS_ERROR(EINVAL); + return EINVAL; } mp->m_sb.sb_rextslog = scounter; return 0; default: ASSERT(0); - return XFS_ERROR(EINVAL); + return EINVAL; } } diff --git a/fs/xfs/xfs_qm.c b/fs/xfs/xfs_qm.c index 273ab51..7bf3b83 100644 --- a/fs/xfs/xfs_qm.c +++ b/fs/xfs/xfs_qm.c @@ -1397,7 +1397,7 @@ xfs_qm_dqusage_adjust( */ if (xfs_is_quota_inode(&mp->m_sb, ino)) { *res = BULKSTAT_RV_NOTHING; - return XFS_ERROR(EINVAL); + return EINVAL; } /* @@ -1664,7 +1664,7 @@ xfs_qm_init_quotainos( error = xfs_iget(mp, NULL, mp->m_sb.sb_uquotino, 0, 0, &uip); if (error) - return XFS_ERROR(error); + return error; } if (XFS_IS_GQUOTA_ON(mp) && mp->m_sb.sb_gquotino != NULLFSINO) { @@ -1734,7 +1734,7 @@ error_rele: IRELE(gip); if (pip) IRELE(pip); - return XFS_ERROR(error); + return error; } STATIC void diff --git a/fs/xfs/xfs_qm_bhv.c b/fs/xfs/xfs_qm_bhv.c index e9be63a..fa97973 100644 --- a/fs/xfs/xfs_qm_bhv.c +++ b/fs/xfs/xfs_qm_bhv.c @@ -117,7 +117,7 @@ xfs_qm_newmount( (uquotaondisk ? " usrquota" : ""), (gquotaondisk ? " grpquota" : ""), (pquotaondisk ? " prjquota" : "")); - return XFS_ERROR(EPERM); + return EPERM; } if (XFS_IS_QUOTA_ON(mp) || quotaondisk) { diff --git a/fs/xfs/xfs_qm_syscalls.c b/fs/xfs/xfs_qm_syscalls.c index 8b0edbd..8c77225 100644 --- a/fs/xfs/xfs_qm_syscalls.c +++ b/fs/xfs/xfs_qm_syscalls.c @@ -67,7 +67,7 @@ xfs_qm_scall_quotaoff( * errno == EEXIST here. */ if ((mp->m_qflags & flags) == 0) - return XFS_ERROR(EEXIST); + return EEXIST; error = 0; flags &= (XFS_ALL_QUOTA_ACCT | XFS_ALL_QUOTA_ENFD); @@ -283,7 +283,7 @@ xfs_qm_scall_trunc_qfiles( if (!xfs_sb_version_hasquota(&mp->m_sb) || flags == 0) { xfs_debug(mp, "%s: flags=%x m_qflags=%x", __func__, flags, mp->m_qflags); - return XFS_ERROR(EINVAL); + return EINVAL; } if (flags & XFS_DQ_USER) { @@ -327,7 +327,7 @@ xfs_qm_scall_quotaon( if (flags == 0) { xfs_debug(mp, "%s: zero flags, m_qflags=%x", __func__, mp->m_qflags); - return XFS_ERROR(EINVAL); + return EINVAL; } /* No fs can turn on quotas with a delayed effect */ @@ -350,13 +350,13 @@ xfs_qm_scall_quotaon( xfs_debug(mp, "%s: Can't enforce without acct, flags=%x sbflags=%x", __func__, flags, mp->m_sb.sb_qflags); - return XFS_ERROR(EINVAL); + return EINVAL; } /* * If everything's up to-date incore, then don't waste time. */ if ((mp->m_qflags & flags) == flags) - return XFS_ERROR(EEXIST); + return EEXIST; /* * Change sb_qflags on disk but not incore mp->qflags @@ -371,7 +371,7 @@ xfs_qm_scall_quotaon( * There's nothing to change if it's the same. */ if ((qf & flags) == flags && sbflags == 0) - return XFS_ERROR(EEXIST); + return EEXIST; sbflags |= XFS_SB_QFLAGS; if ((error = xfs_qm_write_sb_changes(mp, sbflags))) @@ -389,7 +389,7 @@ xfs_qm_scall_quotaon( return 0; if (! XFS_IS_QUOTA_RUNNING(mp)) - return XFS_ERROR(ESRCH); + return ESRCH; /* * Switch on quota enforcement in core. @@ -849,7 +849,7 @@ xfs_qm_scall_getquota( * our utility programs are concerned. */ if (XFS_IS_DQUOT_UNINITIALIZED(dqp)) { - error = XFS_ERROR(ENOENT); + error = ENOENT; goto out_put; } diff --git a/fs/xfs/xfs_rtalloc.c b/fs/xfs/xfs_rtalloc.c index ec5ca65..1a98a78 100644 --- a/fs/xfs/xfs_rtalloc.c +++ b/fs/xfs/xfs_rtalloc.c @@ -863,7 +863,7 @@ xfs_growfs_rt_alloc( XFS_BMAPI_METADATA, &firstblock, resblks, &map, &nmap, &flist); if (!error && nmap < 1) - error = XFS_ERROR(ENOSPC); + error = ENOSPC; if (error) goto error_cancel; /* @@ -903,7 +903,7 @@ xfs_growfs_rt_alloc( bp = xfs_trans_get_buf(tp, mp->m_ddev_targp, d, mp->m_bsize, 0); if (bp == NULL) { - error = XFS_ERROR(EIO); + error = EIO; error_cancel: xfs_trans_cancel(tp, cancelflags); goto error; @@ -962,11 +962,11 @@ xfs_growfs_rt( * Initial error checking. */ if (!capable(CAP_SYS_ADMIN)) - return XFS_ERROR(EPERM); + return EPERM; if (mp->m_rtdev_targp == NULL || mp->m_rbmip == NULL || (nrblocks = in->newblocks) <= sbp->sb_rblocks || (sbp->sb_rblocks && (in->extsize != sbp->sb_rextsize))) - return XFS_ERROR(EINVAL); + return EINVAL; if ((error = xfs_sb_validate_fsb_count(sbp, nrblocks))) return error; /* @@ -1001,7 +1001,7 @@ xfs_growfs_rt( * since we'll log basically the whole summary file at once. */ if (nrsumblocks > (mp->m_sb.sb_logblocks >> 1)) - return XFS_ERROR(EINVAL); + return EINVAL; /* * Get the old block counts for bitmap and summary inodes. * These can't change since other growfs callers are locked out. @@ -1247,7 +1247,7 @@ xfs_rtmount_init( if (mp->m_rtdev_targp == NULL) { xfs_warn(mp, "Filesystem has a realtime volume, use rtdev=device option"); - return XFS_ERROR(ENODEV); + return ENODEV; } mp->m_rsumlevels = sbp->sb_rextslog + 1; mp->m_rsumsize = @@ -1263,7 +1263,7 @@ xfs_rtmount_init( xfs_warn(mp, "realtime mount -- %llu != %llu", (unsigned long long) XFS_BB_TO_FSB(mp, d), (unsigned long long) mp->m_sb.sb_rblocks); - return XFS_ERROR(EFBIG); + return EFBIG; } bp = xfs_buf_read_uncached(mp->m_rtdev_targp, d - XFS_FSB_TO_BB(mp, 1), diff --git a/fs/xfs/xfs_sb.c b/fs/xfs/xfs_sb.c index 0c0e41b..fd195ff 100644 --- a/fs/xfs/xfs_sb.c +++ b/fs/xfs/xfs_sb.c @@ -186,13 +186,13 @@ xfs_mount_validate_sb( */ if (sbp->sb_magicnum != XFS_SB_MAGIC) { xfs_warn(mp, "bad magic number"); - return XFS_ERROR(EWRONGFS); + return EWRONGFS; } if (!xfs_sb_good_version(sbp)) { xfs_warn(mp, "bad version"); - return XFS_ERROR(EWRONGFS); + return EWRONGFS; } /* @@ -224,7 +224,7 @@ xfs_mount_validate_sb( xfs_warn(mp, "Attempted to mount read-only compatible filesystem read-write.\n" "Filesystem can only be safely mounted read only."); - return XFS_ERROR(EINVAL); + return EINVAL; } } if (xfs_sb_has_incompat_feature(sbp, @@ -234,7 +234,7 @@ xfs_mount_validate_sb( "Filesystem can not be safely mounted by this kernel.", (sbp->sb_features_incompat & XFS_SB_FEAT_INCOMPAT_UNKNOWN)); - return XFS_ERROR(EINVAL); + return EINVAL; } } @@ -242,13 +242,13 @@ xfs_mount_validate_sb( if (sbp->sb_qflags & (XFS_OQUOTA_ENFD | XFS_OQUOTA_CHKD)) { xfs_notice(mp, "Version 5 of Super block has XFS_OQUOTA bits."); - return XFS_ERROR(EFSCORRUPTED); + return EFSCORRUPTED; } } else if (sbp->sb_qflags & (XFS_PQUOTA_ENFD | XFS_GQUOTA_ENFD | XFS_PQUOTA_CHKD | XFS_GQUOTA_CHKD)) { xfs_notice(mp, "Superblock earlier than Version 5 has XFS_[PQ]UOTA_{ENFD|CHKD} bits."); - return XFS_ERROR(EFSCORRUPTED); + return EFSCORRUPTED; } if (unlikely( @@ -256,7 +256,7 @@ xfs_mount_validate_sb( xfs_warn(mp, "filesystem is marked as having an external log; " "specify logdev on the mount command line."); - return XFS_ERROR(EINVAL); + return EINVAL; } if (unlikely( @@ -264,7 +264,7 @@ xfs_mount_validate_sb( xfs_warn(mp, "filesystem is marked as having an internal log; " "do not specify logdev on the mount command line."); - return XFS_ERROR(EINVAL); + return EINVAL; } /* @@ -297,7 +297,7 @@ xfs_mount_validate_sb( sbp->sb_dblocks > XFS_MAX_DBLOCKS(sbp) || sbp->sb_dblocks < XFS_MIN_DBLOCKS(sbp))) { xfs_notice(mp, "SB sanity check failed"); - return XFS_ERROR(EFSCORRUPTED); + return EFSCORRUPTED; } /* @@ -308,7 +308,7 @@ xfs_mount_validate_sb( "File system with blocksize %d bytes. " "Only pagesize (%ld) or less will currently work.", sbp->sb_blocksize, PAGE_SIZE); - return XFS_ERROR(ENOSYS); + return ENOSYS; } /* @@ -323,19 +323,19 @@ xfs_mount_validate_sb( default: xfs_warn(mp, "inode size of %d bytes not supported", sbp->sb_inodesize); - return XFS_ERROR(ENOSYS); + return ENOSYS; } if (xfs_sb_validate_fsb_count(sbp, sbp->sb_dblocks) || xfs_sb_validate_fsb_count(sbp, sbp->sb_rblocks)) { xfs_warn(mp, "file system too large to be mounted on this system."); - return XFS_ERROR(EFBIG); + return EFBIG; } if (check_inprogress && sbp->sb_inprogress) { xfs_warn(mp, "Offline file system operation in progress!"); - return XFS_ERROR(EFSCORRUPTED); + return EFSCORRUPTED; } /* @@ -343,7 +343,7 @@ xfs_mount_validate_sb( */ if (unlikely(!xfs_sb_version_hasdirv2(sbp))) { xfs_warn(mp, "file system using version 1 directory format"); - return XFS_ERROR(ENOSYS); + return ENOSYS; } return 0; diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c index 2053767..527bb0c 100644 --- a/fs/xfs/xfs_super.c +++ b/fs/xfs/xfs_super.c @@ -446,7 +446,7 @@ done: mp->m_logbufs > XLOG_MAX_ICLOGS)) { xfs_warn(mp, "invalid logbufs value: %d [not %d-%d]", mp->m_logbufs, XLOG_MIN_ICLOGS, XLOG_MAX_ICLOGS); - return XFS_ERROR(EINVAL); + return EINVAL; } if (mp->m_logbsize != -1 && mp->m_logbsize != 0 && @@ -456,7 +456,7 @@ done: xfs_warn(mp, "invalid logbufsize: %d [not 16k,32k,64k,128k or 256k]", mp->m_logbsize); - return XFS_ERROR(EINVAL); + return EINVAL; } if (iosizelog) { @@ -465,7 +465,7 @@ done: xfs_warn(mp, "invalid log iosize: %d [not %d-%d]", iosizelog, XFS_MIN_IO_LOG, XFS_MAX_IO_LOG); - return XFS_ERROR(EINVAL); + return EINVAL; } mp->m_flags |= XFS_MOUNT_DFLT_IOSIZE; @@ -1341,14 +1341,14 @@ xfs_finish_flags( mp->m_logbsize < mp->m_sb.sb_logsunit) { xfs_warn(mp, "logbuf size must be greater than or equal to log stripe size"); - return XFS_ERROR(EINVAL); + return EINVAL; } } else { /* Fail a mount if the logbuf is larger than 32K */ if (mp->m_logbsize > XLOG_BIG_RECORD_BSIZE) { xfs_warn(mp, "logbuf size for version 1 logs must be 16K or 32K"); - return XFS_ERROR(EINVAL); + return EINVAL; } } @@ -1360,7 +1360,7 @@ xfs_finish_flags( xfs_warn(mp, "Cannot mount a V5 filesystem as %s. %s is always enabled for V5 filesystems.", MNTOPT_NOATTR2, MNTOPT_ATTR2); - return XFS_ERROR(EINVAL); + return EINVAL; } /* @@ -1377,7 +1377,7 @@ xfs_finish_flags( if ((mp->m_sb.sb_flags & XFS_SBF_READONLY) && !ronly) { xfs_warn(mp, "cannot mount a read-only filesystem as read-write"); - return XFS_ERROR(EROFS); + return EROFS; } if ((mp->m_qflags & (XFS_GQUOTA_ACCT | XFS_GQUOTA_ACTIVE)) && @@ -1385,7 +1385,7 @@ xfs_finish_flags( !xfs_sb_version_has_pquotino(&mp->m_sb)) { xfs_warn(mp, "Super block does not support project and group quota together"); - return XFS_ERROR(EINVAL); + return EINVAL; } return 0; diff --git a/fs/xfs/xfs_symlink.c b/fs/xfs/xfs_symlink.c index 52979aa..0f4f30d 100644 --- a/fs/xfs/xfs_symlink.c +++ b/fs/xfs/xfs_symlink.c @@ -75,7 +75,7 @@ xfs_readlink_bmap( bp = xfs_buf_read(mp->m_ddev_targp, d, BTOBB(byte_cnt), 0, &xfs_symlink_buf_ops); if (!bp) - return XFS_ERROR(ENOMEM); + return ENOMEM; error = bp->b_error; if (error) { xfs_buf_ioerror_alert(bp, __func__); @@ -134,7 +134,7 @@ xfs_readlink( trace_xfs_readlink(ip); if (XFS_FORCED_SHUTDOWN(mp)) - return XFS_ERROR(EIO); + return EIO; xfs_ilock(ip, XFS_ILOCK_SHARED); @@ -147,7 +147,7 @@ xfs_readlink( __func__, (unsigned long long) ip->i_ino, (long long) pathlen); ASSERT(0); - error = XFS_ERROR(EFSCORRUPTED); + error = EFSCORRUPTED; goto out; } @@ -202,14 +202,14 @@ xfs_symlink( trace_xfs_symlink(dp, link_name); if (XFS_FORCED_SHUTDOWN(mp)) - return XFS_ERROR(EIO); + return EIO; /* * Check component lengths of the target path name. */ pathlen = strlen(target_path); if (pathlen >= MAXPATHLEN) /* total string too long */ - return XFS_ERROR(ENAMETOOLONG); + return ENAMETOOLONG; udqp = gdqp = NULL; prid = xfs_get_initial_prid(dp); @@ -253,7 +253,7 @@ xfs_symlink( * Check whether the directory allows new symlinks or not. */ if (dp->i_d.di_flags & XFS_DIFLAG_NOSYMLINKS) { - error = XFS_ERROR(EPERM); + error = EPERM; goto error_return; } @@ -561,7 +561,7 @@ xfs_inactive_symlink( trace_xfs_inactive_symlink(ip); if (XFS_FORCED_SHUTDOWN(mp)) - return XFS_ERROR(EIO); + return EIO; xfs_ilock(ip, XFS_ILOCK_EXCL); @@ -579,7 +579,7 @@ xfs_inactive_symlink( __func__, (unsigned long long)ip->i_ino, pathlen); xfs_iunlock(ip, XFS_ILOCK_EXCL); ASSERT(0); - return XFS_ERROR(EFSCORRUPTED); + return EFSCORRUPTED; } if (ip->i_df.if_flags & XFS_IFINLINE) { diff --git a/fs/xfs/xfs_trans.c b/fs/xfs/xfs_trans.c index f13452c..b701470 100644 --- a/fs/xfs/xfs_trans.c +++ b/fs/xfs/xfs_trans.c @@ -190,7 +190,7 @@ xfs_trans_reserve( -((int64_t)blocks), rsvd); if (error != 0) { current_restore_flags_nested(&tp->t_pflags, PF_FSTRANS); - return XFS_ERROR(ENOSPC); + return ENOSPC; } tp->t_blk_res += blocks; } @@ -241,7 +241,7 @@ xfs_trans_reserve( error = xfs_mod_incore_sb(tp->t_mountp, XFS_SBS_FREXTENTS, -((int64_t)rtextents), rsvd); if (error) { - error = XFS_ERROR(ENOSPC); + error = ENOSPC; goto undo_log; } tp->t_rtx_res += rtextents; @@ -874,7 +874,7 @@ xfs_trans_commit( goto out_unreserve; if (XFS_FORCED_SHUTDOWN(mp)) { - error = XFS_ERROR(EIO); + error = EIO; goto out_unreserve; } @@ -917,7 +917,7 @@ out_unreserve: if (tp->t_ticket) { commit_lsn = xfs_log_done(mp, tp->t_ticket, NULL, log_flags); if (commit_lsn == -1 && !error) - error = XFS_ERROR(EIO); + error = EIO; } current_restore_flags_nested(&tp->t_pflags, PF_FSTRANS); xfs_trans_free_items(tp, NULLCOMMITLSN, error ? XFS_TRANS_ABORT : 0); diff --git a/fs/xfs/xfs_trans_buf.c b/fs/xfs/xfs_trans_buf.c index 73106f2..d35430f 100644 --- a/fs/xfs/xfs_trans_buf.c +++ b/fs/xfs/xfs_trans_buf.c @@ -267,7 +267,7 @@ xfs_trans_read_buf_map( bp = xfs_buf_read_map(target, map, nmaps, flags, ops); if (!bp) return (flags & XBF_TRYLOCK) ? - EAGAIN : XFS_ERROR(ENOMEM); + EAGAIN : ENOMEM; if (bp->b_error) { error = bp->b_error; @@ -287,7 +287,7 @@ xfs_trans_read_buf_map( if (((xfs_req_num++) % xfs_error_mod) == 0) { xfs_buf_relse(bp); xfs_debug(mp, "Returning error!"); - return XFS_ERROR(EIO); + return EIO; } } } @@ -355,7 +355,7 @@ xfs_trans_read_buf_map( if (XFS_FORCED_SHUTDOWN(mp)) { trace_xfs_trans_read_buf_shut(bp, _RET_IP_); *bpp = NULL; - return XFS_ERROR(EIO); + return EIO; } @@ -372,7 +372,7 @@ xfs_trans_read_buf_map( if (bp == NULL) { *bpp = NULL; return (flags & XBF_TRYLOCK) ? - 0 : XFS_ERROR(ENOMEM); + 0 : ENOMEM; } if (bp->b_error) { error = bp->b_error; @@ -396,7 +396,7 @@ xfs_trans_read_buf_map( SHUTDOWN_META_IO_ERROR); xfs_buf_relse(bp); xfs_debug(mp, "Returning trans error!"); - return XFS_ERROR(EIO); + return EIO; } } } @@ -414,7 +414,7 @@ shutdown_abort: trace_xfs_trans_read_buf_shut(bp, _RET_IP_); xfs_buf_relse(bp); *bpp = NULL; - return XFS_ERROR(EIO); + return EIO; } /* From BATV+12706adc9b0f362531ed+3888+infradead.org+hch@bombadil.srs.infradead.org Wed Apr 16 12:51:19 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 2C8D17F73 for ; Wed, 16 Apr 2014 12:51:19 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 1A471304084 for ; Wed, 16 Apr 2014 10:51:19 -0700 (PDT) X-ASG-Debug-ID: 1397670677-04cb6c2436a5e40001-NocioJ Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) by cuda.sgi.com with ESMTP id KGlriEPoJSKYDWn0 (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Wed, 16 Apr 2014 10:51:18 -0700 (PDT) X-Barracuda-Envelope-From: BATV+12706adc9b0f362531ed+3888+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.80.1 #2 (Red Hat Linux)) id 1WaTzR-0007CR-KU; Wed, 16 Apr 2014 17:51:17 +0000 Date: Wed, 16 Apr 2014 10:51:17 -0700 From: Christoph Hellwig To: Eric Sandeen Cc: xfs-oss Subject: Re: [PATCH 2/2] xfs: Nuke XFS_ERROR macro Message-ID: <20140416175117.GA23643@infradead.org> X-ASG-Orig-Subj: Re: [PATCH 2/2] xfs: Nuke XFS_ERROR macro References: <534EC073.8090006@sandeen.net> <534EC282.7010905@sandeen.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <534EC282.7010905@sandeen.net> User-Agent: Mutt/1.5.21 (2010-09-15) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html X-Barracuda-Connect: bombadil.infradead.org[198.137.202.9] X-Barracuda-Start-Time: 1397670678 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC5_SA210e X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4976 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC5_SA210e Custom Rule SA210e On Wed, Apr 16, 2014 at 12:48:50PM -0500, Eric Sandeen wrote: > XFS_ERROR was designed long ago to trap return values, > but it's not runtime configurable, it's not consistently used, > and we can do the same thing today with systemtap, using > something like: > > probe module("xfs").function("xfs_*").return { if (@defined($return) && $return == VALUE) { ... } } Gives me a version just using ftrace, or at least a kprobes based module that we can merged in the kernel tree and this would be fine for me. Requiring a massive blob of questionable out of tree module code and a compiler is an absolute no-go. NAK for now. From sandeen@sandeen.net Wed Apr 16 12:55:55 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id D79AB7F73 for ; Wed, 16 Apr 2014 12:55:55 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id 950E8AC004 for ; Wed, 16 Apr 2014 10:55:55 -0700 (PDT) X-ASG-Debug-ID: 1397670953-04bdf04552aad60001-NocioJ Received: from sandeen.net (sandeen.net [63.231.237.45]) by cuda.sgi.com with ESMTP id ANFETHK1DXLCfI7t for ; Wed, 16 Apr 2014 10:55:54 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@sandeen.net X-Barracuda-Apparent-Source-IP: 63.231.237.45 Received: from liberator.sandeen.net (liberator.sandeen.net [10.0.0.4]) (using TLSv1 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (No client certificate requested) by sandeen.net (Postfix) with ESMTPSA id 9EBFA63C5FD4; Wed, 16 Apr 2014 12:55:53 -0500 (CDT) Message-ID: <534EC42D.1080704@sandeen.net> Date: Wed, 16 Apr 2014 12:55:57 -0500 From: Eric Sandeen User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:24.0) Gecko/20100101 Thunderbird/24.4.0 MIME-Version: 1.0 To: Christoph Hellwig CC: xfs-oss Subject: Re: [PATCH 2/2] xfs: Nuke XFS_ERROR macro References: <534EC073.8090006@sandeen.net> <534EC282.7010905@sandeen.net> <20140416175117.GA23643@infradead.org> X-ASG-Orig-Subj: Re: [PATCH 2/2] xfs: Nuke XFS_ERROR macro In-Reply-To: <20140416175117.GA23643@infradead.org> X-Enigmail-Version: 1.6 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Barracuda-Connect: sandeen.net[63.231.237.45] X-Barracuda-Start-Time: 1397670953 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC5_SA210e X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4976 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC5_SA210e Custom Rule SA210e On 4/16/14, 12:51 PM, Christoph Hellwig wrote: > On Wed, Apr 16, 2014 at 12:48:50PM -0500, Eric Sandeen wrote: >> XFS_ERROR was designed long ago to trap return values, >> but it's not runtime configurable, it's not consistently used, >> and we can do the same thing today with systemtap, using >> something like: >> >> probe module("xfs").function("xfs_*").return { if (@defined($return) && $return == VALUE) { ... } } > > Gives me a version just using ftrace, or at least a kprobes based module > that we can merged in the kernel tree and this would be fine for me. > > Requiring a massive blob of questionable out of tree module code and a > compiler is an absolute no-go. Ok, fair point. > NAK for now. Even if we don't have a replacement, I have yet to find anyone who has ever used it... Anyway, I'll look into options besides systemtap. Thanks, -Eric From sandeen@sandeen.net Wed Apr 16 14:11:35 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 027437F75 for ; Wed, 16 Apr 2014 14:11:35 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 6786FAC001 for ; Wed, 16 Apr 2014 12:11:30 -0700 (PDT) X-ASG-Debug-ID: 1397675489-04cbb06e9bade90001-NocioJ Received: from sandeen.net (sandeen.net [63.231.237.45]) by cuda.sgi.com with ESMTP id 6N2Epz9Qz4BGb508 for ; Wed, 16 Apr 2014 12:11:29 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@sandeen.net X-Barracuda-Apparent-Source-IP: 63.231.237.45 Received: from liberator.sandeen.net (liberator.sandeen.net [10.0.0.4]) (using TLSv1 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (No client certificate requested) by sandeen.net (Postfix) with ESMTPSA id 41A1863C5FD4; Wed, 16 Apr 2014 14:11:29 -0500 (CDT) Message-ID: <534ED5E4.60903@sandeen.net> Date: Wed, 16 Apr 2014 14:11:32 -0500 From: Eric Sandeen User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:24.0) Gecko/20100101 Thunderbird/24.4.0 MIME-Version: 1.0 To: Christoph Hellwig CC: xfs-oss Subject: Re: [PATCH 2/2] xfs: Nuke XFS_ERROR macro References: <534EC073.8090006@sandeen.net> <534EC282.7010905@sandeen.net> <20140416175117.GA23643@infradead.org> <534EC42D.1080704@sandeen.net> X-ASG-Orig-Subj: Re: [PATCH 2/2] xfs: Nuke XFS_ERROR macro In-Reply-To: <534EC42D.1080704@sandeen.net> X-Enigmail-Version: 1.6 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Barracuda-Connect: sandeen.net[63.231.237.45] X-Barracuda-Start-Time: 1397675489 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC5_SA210e X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4977 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC5_SA210e Custom Rule SA210e On 4/16/14, 12:55 PM, Eric Sandeen wrote: > On 4/16/14, 12:51 PM, Christoph Hellwig wrote: >> On Wed, Apr 16, 2014 at 12:48:50PM -0500, Eric Sandeen wrote: >>> XFS_ERROR was designed long ago to trap return values, >>> but it's not runtime configurable, it's not consistently used, >>> and we can do the same thing today with systemtap, using >>> something like: >>> >>> probe module("xfs").function("xfs_*").return { if (@defined($return) && $return == VALUE) { ... } } >> >> Gives me a version just using ftrace, or at least a kprobes based module >> that we can merged in the kernel tree and this would be fine for me. >> >> Requiring a massive blob of questionable out of tree module code and a >> compiler is an absolute no-go. > > Ok, fair point. > >> NAK for now. > > Even if we don't have a replacement, I have yet to find anyone who has > ever used it... > > Anyway, I'll look into options besides systemtap. Here's the "best" I've come up with so far... # for FUNCTION in `grep "t xfs_" /proc/kallsyms | awk '{print $3}'`; do echo "r:ret_$FUNCTION $FUNCTION \$retval" >> /sys/kernel/debug/tracing/kprobe_events; done # for ENABLE in /sys/kernel/debug/tracing/events/kprobes/ret_xfs_*/enable; do echo 1 > $ENABLE; done run a test that fails: # dd if=/dev/zero of=newfile bs=513 oflag=direct dd: writing `newfile': Invalid argument # for ENABLE in /sys/kernel/debug/tracing/events/kprobes/ret_xfs_*/enable; do echo 0 > $ENABLE; done # cat /sys/kernel/debug/tracing/trace <...>-63791 [000] d... 705435.568913: ret_xfs_vn_mknod: (xfs_vn_create+0x13/0x20 [xfs] <- xfs_vn_mknod) arg1=0 <...>-63791 [000] d... 705435.568913: ret_xfs_vn_create: (vfs_create+0xdb/0x100 <- xfs_vn_create) arg1=0 <...>-63791 [000] d... 705435.568918: ret_xfs_file_open: (do_dentry_open+0x24e/0x2e0 <- xfs_file_open) arg1=0 <...>-63791 [000] d... 705435.568934: ret_xfs_file_dio_aio_write: (xfs_file_aio_write+0x147/0x150 [xfs] <- xfs_file_dio_aio_write) arg1=ffffffffffffffea Hey look, it's "-22" in hex! ;) so it's possible, but bleah. From tinguely@sgi.com Wed Apr 16 15:59:56 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=RP_MATCHES_RCVD autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 1749B7F62 for ; Wed, 16 Apr 2014 15:59:56 -0500 (CDT) Received: from eagdhcp-232-178.americas.sgi.com (eagdhcp-232-178.americas.sgi.com [128.162.232.178]) by relay2.corp.sgi.com (Postfix) with ESMTP id AB296304089; Wed, 16 Apr 2014 13:59:52 -0700 (PDT) Message-ID: <534EEF47.4000706@sgi.com> Date: Wed, 16 Apr 2014 15:59:51 -0500 From: Mark Tinguely User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:9.0) Gecko/20120122 Thunderbird/9.0 MIME-Version: 1.0 To: Paul Gortmaker CC: Dave Chinner , "linux-next@vger.kernel.org" , xfs@oss.sgi.com Subject: Re: new 64 bit math link fail in xfs in linux-next today References: <534EAB41.60901@windriver.com> In-Reply-To: <534EAB41.60901@windriver.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit On 04/16/14 11:09, Paul Gortmaker wrote: > Hi Dave, > > Not sure if this has been reported yet, but this new failure showed > up in the xtensa link of today's linux-next builds. > > http://kisskb.ellerman.id.au/kisskb/buildresult/10938384/ > > Paul. > Try this works on i386. sorry if my mailer wraps the line: The roundup in commit 68c1fb5d should be a roundup_64() because it is desired to round a 64 bit type by an integer and that will result in a 64 bit value. On 32 bit machines using roundup() in this case will result in the error: ERROR: "__divdi3" [fs/xfs/xfs.ko] undefined! Signed-off-by: Mark Tinguely --- fs/xfs/xfs_aops.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) Index: b/fs/xfs/xfs_aops.c =================================================================== --- a/fs/xfs/xfs_aops.c +++ b/fs/xfs/xfs_aops.c @@ -1365,7 +1365,7 @@ __xfs_get_blocks( if (offset < i_size_read(inode) && offset + mapping_size >= i_size_read(inode)) { /* limit mapping to block that spans EOF */ - mapping_size = roundup(i_size_read(inode) - offset, + mapping_size = roundup_64(i_size_read(inode) - offset, 1 << inode->i_blkbits); } if (mapping_size > LONG_MAX) From recrutement-import-export@yahoo.fr Wed Apr 16 16:29:45 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=FREEMAIL_FROM,HTML_MESSAGE autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id B9EBF7F6D for ; Wed, 16 Apr 2014 16:29:45 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id 85A5A30405F for ; Wed, 16 Apr 2014 14:29:42 -0700 (PDT) X-ASG-Debug-ID: 1397683779-04bdf04555bf620001-NocioJ Received: from ox10.clicboutic.com (ox10.clicboutic.com [95.131.138.193]) by cuda.sgi.com with ESMTP id UVrgNFcZPOBsnp7R (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Wed, 16 Apr 2014 14:29:40 -0700 (PDT) X-Barracuda-Envelope-From: recrutement-import-export@yahoo.fr X-Barracuda-Apparent-Source-IP: 95.131.138.193 Received: from ox10.clicboutic.com (unknown [127.0.0.1]) by ox10.clicboutic.com (Postfix) with ESMTP id 57AA1CE187CF; Wed, 16 Apr 2014 23:29:38 +0200 (CEST) Received: from webmail.custodio-shop.com (ox10.clicboutic.com [95.131.138.193]) by ox10.clicboutic.com (Postfix) with ESMTPA; Wed, 16 Apr 2014 23:29:38 +0200 (CEST) MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="=_a06fadade2d5885ac8971e1a0e6c60b5" Date: Wed, 16 Apr 2014 23:29:38 +0200 From: Import/Export Recrutement To: undisclosed-recipients:; Subject: Coordinateur / Coordinatrice transit -import/export Reply-To: intersource-recrutementt@outlook.fr X-ASG-Orig-Subj: Coordinateur / Coordinatrice transit -import/export Message-ID: <04a8d2f79bcf6551e9e67080ab956b6f@mail.custodio-shop.com> X-Sender: recrutement-import-export@yahoo.fr User-Agent: RoundCube Webmail/0.3-beta X-Barracuda-Connect: ox10.clicboutic.com[95.131.138.193] X-Barracuda-Start-Time: 1397683780 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=HTML_MESSAGE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4982 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 HTML_MESSAGE BODY: HTML included in message --=_a06fadade2d5885ac8971e1a0e6c60b5 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=UTF-8 Vous êtes sérieux et motivé. vous recherchez un job rémunérateur, à domicile. Pour cela, il est nécessaire de disposer d'un ordinateur avec connexion internet et une imprimante. il n'est pas demandé d'avoir des compétences particulières en informatique.Un responsable vous aidera tout au long de la première semaine de travail.Contact : intersource-recrutementt@outlook.fr --=_a06fadade2d5885ac8971e1a0e6c60b5 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=UTF-8

 

Vous êtes = sérieux et motivé. vous recherchez un job rémuné= ;rateur, à domicile. Pour cela, il est nécessaire de dis= poser d'un ordinateur avec connexion internet et une imprimante. il n'= est pas demandé d'avoir des compétences particulières = en informatique.Un responsable vous aidera tout au long de la premiè= re semaine de travail.Contact : inte= rsource-recrutementt@outlook.fr

--=_a06fadade2d5885ac8971e1a0e6c60b5-- From sandeen@redhat.com Wed Apr 16 16:37:34 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id B8FA87F69 for ; Wed, 16 Apr 2014 16:37:34 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 49D5FAC002 for ; Wed, 16 Apr 2014 14:37:31 -0700 (PDT) X-ASG-Debug-ID: 1397684249-04cb6c2438b9a90001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id DtnKBHQRNw2CnOtF for ; Wed, 16 Apr 2014 14:37:30 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx14.intmail.prod.int.phx2.redhat.com (int-mx14.intmail.prod.int.phx2.redhat.com [10.5.11.27]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3GLbT5G031327 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Wed, 16 Apr 2014 17:37:29 -0400 Received: from liberator.sandeen.net (ovpn01.gateway.prod.ext.phx2.redhat.com [10.5.9.1]) by int-mx14.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s3GLbSmi002759 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES128-SHA bits=128 verify=NO) for ; Wed, 16 Apr 2014 17:37:29 -0400 Message-ID: <534EF81D.20205@redhat.com> Date: Wed, 16 Apr 2014 16:37:33 -0500 From: Eric Sandeen User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:24.0) Gecko/20100101 Thunderbird/24.4.0 MIME-Version: 1.0 To: xfs-oss Subject: [PATCH] xfstests: log running test to dmesg X-Enigmail-Version: 1.6 X-ASG-Orig-Subj: [PATCH] xfstests: log running test to dmesg Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Scanned-By: MIMEDefang 2.68 on 10.5.11.27 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1397684250 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 We already log the running test to system logs via "logger" but viro pointed out that we can use /dev/kmsg to insert it into dmesg as well. When looking at the serial console that could be pretty useful. Thanks to viro for the test -w suggestion too. Signed-off-by: Eric Sandeen --- diff --git a/check b/check index 268417c..09b2320 100755 --- a/check +++ b/check @@ -457,6 +457,7 @@ do $timestamp && echo -n " ["`date "+%T"`"]" [ ! -x $seq ] && chmod u+x $seq # ensure we can run it $LOGGER_PROG "run xfstest $seqnum" + test -w /dev/kmsg && echo "run xfstest $seqnum" > /dev/kmsg ./$seq >$tmp.rawout 2>&1 sts=$? $timestamp && _timestamp From Paul.Gortmaker@windriver.com Wed Apr 16 16:45:24 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 3B64E7F5A for ; Wed, 16 Apr 2014 16:45:24 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 16EB98F8033 for ; Wed, 16 Apr 2014 14:45:21 -0700 (PDT) X-ASG-Debug-ID: 1397684719-04cb6c2438ba2e0001-NocioJ Received: from mail1.windriver.com (mail1.windriver.com [147.11.146.13]) by cuda.sgi.com with ESMTP id euBuxFaVgQdI1FT5 (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO); Wed, 16 Apr 2014 14:45:19 -0700 (PDT) X-Barracuda-Envelope-From: Paul.Gortmaker@windriver.com X-Barracuda-Apparent-Source-IP: 147.11.146.13 Received: from ALA-HCB.corp.ad.wrs.com (ala-hcb.corp.ad.wrs.com [147.11.189.41]) by mail1.windriver.com (8.14.5/8.14.5) with ESMTP id s3GLjBNu014054 (version=TLSv1/SSLv3 cipher=AES128-SHA bits=128 verify=FAIL); Wed, 16 Apr 2014 14:45:11 -0700 (PDT) Received: from [128.224.56.57] (128.224.56.57) by ALA-HCB.corp.ad.wrs.com (147.11.189.41) with Microsoft SMTP Server id 14.3.169.1; Wed, 16 Apr 2014 14:45:10 -0700 Message-ID: <534EF9F3.7080805@windriver.com> Date: Wed, 16 Apr 2014 17:45:23 -0400 From: Paul Gortmaker User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.4.0 MIME-Version: 1.0 To: Mark Tinguely CC: Dave Chinner , "linux-next@vger.kernel.org" , Subject: Re: new 64 bit math link fail in xfs in linux-next today References: <534EAB41.60901@windriver.com> <534EEF47.4000706@sgi.com> X-ASG-Orig-Subj: Re: new 64 bit math link fail in xfs in linux-next today In-Reply-To: <534EEF47.4000706@sgi.com> Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: 7bit X-Originating-IP: [128.224.56.57] X-Barracuda-Connect: mail1.windriver.com[147.11.146.13] X-Barracuda-Start-Time: 1397684719 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4982 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On 14-04-16 04:59 PM, Mark Tinguely wrote: > On 04/16/14 11:09, Paul Gortmaker wrote: >> Hi Dave, >> >> Not sure if this has been reported yet, but this new failure showed >> up in the xtensa link of today's linux-next builds. >> >> http://kisskb.ellerman.id.au/kisskb/buildresult/10938384/ >> >> Paul. >> > > Try this works on i386. sorry if my mailer wraps the line: Yep, also works for xtensa too; feel free to add a reported-by and/or tested-by from me if you want. Thanks, Paul. -- > > The roundup in commit 68c1fb5d should be a roundup_64() > because it is desired to round a 64 bit type by an integer > and that will result in a 64 bit value. On 32 bit machines > using roundup() in this case will result in the error: > > ERROR: "__divdi3" [fs/xfs/xfs.ko] undefined! > > Signed-off-by: Mark Tinguely > --- > fs/xfs/xfs_aops.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > Index: b/fs/xfs/xfs_aops.c > =================================================================== > --- a/fs/xfs/xfs_aops.c > +++ b/fs/xfs/xfs_aops.c > @@ -1365,7 +1365,7 @@ __xfs_get_blocks( > if (offset < i_size_read(inode) && > offset + mapping_size >= i_size_read(inode)) { > /* limit mapping to block that spans EOF */ > - mapping_size = roundup(i_size_read(inode) - offset, > + mapping_size = roundup_64(i_size_read(inode) - offset, > 1 << inode->i_blkbits); > } > if (mapping_size > LONG_MAX) > From tinguely@eagdhcp-232-178.americas.sgi.com Wed Apr 16 16:55:17 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=RP_MATCHES_RCVD autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 91BF47F5A for ; Wed, 16 Apr 2014 16:55:17 -0500 (CDT) Received: from eagdhcp-232-178.americas.sgi.com (eagdhcp-232-178.americas.sgi.com [128.162.232.178]) by relay2.corp.sgi.com (Postfix) with ESMTP id 6BCD8304053; Wed, 16 Apr 2014 14:55:17 -0700 (PDT) Received: from eagdhcp-232-178.americas.sgi.com (localhost [127.0.0.1]) by eagdhcp-232-178.americas.sgi.com (8.14.5/8.14.5) with ESMTP id s3GLtGir003323; Wed, 16 Apr 2014 16:55:16 -0500 (CDT) (envelope-from tinguely@eagdhcp-232-178.americas.sgi.com) Received: (from tinguely@localhost) by eagdhcp-232-178.americas.sgi.com (8.14.5/8.14.5/Submit) id s3GLtGh1003322; Wed, 16 Apr 2014 16:55:16 -0500 (CDT) (envelope-from tinguely) Message-Id: <20140416215223.512644029@sgi.com> User-Agent: quilt/0.51-1 Date: Wed, 16 Apr 2014 16:51:56 -0500 From: Mark Tinguely To: XFS Filesystem Cc: Paul Gortmaker Subject: [PATCH] xfs: fix 32bit __divdi3 undefined References: <534EAB41.60901@windriver.com> Content-Disposition: inline; filename=xfs-fix-32bit-__divdi3-undefined.patch The roundup in commit 68c1fb5d should be a roundup_64() because it is desired to round a 64 bit type by an integer and that will result in a 64 bit value. On 32 bit machines using roundup() in this case will result in the error: ERROR: "__divdi3" [fs/xfs/xfs.ko] undefined! Reported-by: Paul Gortmaker Tested-by: Paul Gortmaker Signed-off-by: Mark Tinguely --- fs/xfs/xfs_aops.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) Index: b/fs/xfs/xfs_aops.c =================================================================== --- a/fs/xfs/xfs_aops.c +++ b/fs/xfs/xfs_aops.c @@ -1365,7 +1365,7 @@ __xfs_get_blocks( if (offset < i_size_read(inode) && offset + mapping_size >= i_size_read(inode)) { /* limit mapping to block that spans EOF */ - mapping_size = roundup(i_size_read(inode) - offset, + mapping_size = roundup_64(i_size_read(inode) - offset, 1 << inode->i_blkbits); } if (mapping_size > LONG_MAX) From sandeen@sandeen.net Wed Apr 16 16:57:18 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id E26E57F60 for ; Wed, 16 Apr 2014 16:57:18 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id C980A8F8066 for ; Wed, 16 Apr 2014 14:57:18 -0700 (PDT) X-ASG-Debug-ID: 1397685437-04cbb06e9cbb8e0001-NocioJ Received: from sandeen.net (sandeen.net [63.231.237.45]) by cuda.sgi.com with ESMTP id CydyzjKF63tco3oX for ; Wed, 16 Apr 2014 14:57:17 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@sandeen.net X-Barracuda-Apparent-Source-IP: 63.231.237.45 Received: from liberator.sandeen.net (liberator.sandeen.net [10.0.0.4]) (using TLSv1 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (No client certificate requested) by sandeen.net (Postfix) with ESMTPSA id 1943063C5FD4; Wed, 16 Apr 2014 16:57:17 -0500 (CDT) Message-ID: <534EFCC1.1080008@sandeen.net> Date: Wed, 16 Apr 2014 16:57:21 -0500 From: Eric Sandeen User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:24.0) Gecko/20100101 Thunderbird/24.4.0 MIME-Version: 1.0 To: Mark Tinguely , XFS Filesystem CC: Paul Gortmaker Subject: Re: [PATCH] xfs: fix 32bit __divdi3 undefined References: <534EAB41.60901@windriver.com> <20140416215223.512644029@sgi.com> X-ASG-Orig-Subj: Re: [PATCH] xfs: fix 32bit __divdi3 undefined In-Reply-To: <20140416215223.512644029@sgi.com> X-Enigmail-Version: 1.6 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Barracuda-Connect: sandeen.net[63.231.237.45] X-Barracuda-Start-Time: 1397685437 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4983 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On 4/16/14, 4:51 PM, Mark Tinguely wrote: > The roundup in commit 68c1fb5d should be a roundup_64() > because it is desired to round a 64 bit type by an integer > and that will result in a 64 bit value. On 32 bit machines > using roundup() in this case will result in the error: > > ERROR: "__divdi3" [fs/xfs/xfs.ko] undefined! > > Reported-by: Paul Gortmaker > Tested-by: Paul Gortmaker > Signed-off-by: Mark Tinguely Reviewed-by: Eric Sandeen > --- > fs/xfs/xfs_aops.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > Index: b/fs/xfs/xfs_aops.c > =================================================================== > --- a/fs/xfs/xfs_aops.c > +++ b/fs/xfs/xfs_aops.c > @@ -1365,7 +1365,7 @@ __xfs_get_blocks( > if (offset < i_size_read(inode) && > offset + mapping_size >= i_size_read(inode)) { > /* limit mapping to block that spans EOF */ > - mapping_size = roundup(i_size_read(inode) - offset, > + mapping_size = roundup_64(i_size_read(inode) - offset, > 1 << inode->i_blkbits); > } > if (mapping_size > LONG_MAX) > > > _______________________________________________ > xfs mailing list > xfs@oss.sgi.com > http://oss.sgi.com/mailman/listinfo/xfs > From david@fromorbit.com Wed Apr 16 16:58:09 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 33DB57F60 for ; Wed, 16 Apr 2014 16:58:09 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id A9863AC004 for ; Wed, 16 Apr 2014 14:58:08 -0700 (PDT) X-ASG-Debug-ID: 1397685485-04cbb06e9abb990001-NocioJ Received: from ipmail06.adl2.internode.on.net (ipmail06.adl2.internode.on.net [150.101.137.129]) by cuda.sgi.com with ESMTP id 6DGWjG7lMQ4bn83z for ; Wed, 16 Apr 2014 14:58:06 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.129 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: Ao5fAID8TlN5LEcvPGdsb2JhbABZgwY7gxinMwaTW4UPUYElFwMBAQEBODWCJQEBAQQnExwjEAgDGAklDwUlAwcaE4d7DsoaFo11VweEOASYZYE4lFUrgS0 Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail06.adl2.internode.on.net with ESMTP; 17 Apr 2014 07:27:38 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WaXpl-0000vy-Mx; Thu, 17 Apr 2014 07:57:33 +1000 Date: Thu, 17 Apr 2014 07:57:33 +1000 From: Dave Chinner To: Paul Gortmaker Cc: xfs@oss.sgi.com, "linux-next@vger.kernel.org" Subject: Re: new 64 bit math link fail in xfs in linux-next today Message-ID: <20140416215733.GM15995@dastard> X-ASG-Orig-Subj: Re: new 64 bit math link fail in xfs in linux-next today References: <534EAB41.60901@windriver.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <534EAB41.60901@windriver.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail06.adl2.internode.on.net[150.101.137.129] X-Barracuda-Start-Time: 1397685485 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4983 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Wed, Apr 16, 2014 at 12:09:37PM -0400, Paul Gortmaker wrote: > Hi Dave, > > Not sure if this has been reported yet, but this new failure showed > up in the xtensa link of today's linux-next builds. > > http://kisskb.ellerman.id.au/kisskb/buildresult/10938384/ fs/built-in.o: In function `__xfs_get_blocks': /home/dave/src/build/x86-64/xfsdev/fs/xfs/xfs_aops.c:1368: undefined reference to `__divdi3' Fmeh. The hunk that throws the error: @@ -1354,6 +1362,12 @@ __xfs_get_blocks( ASSERT(mapping_size > 0); if (mapping_size > size) mapping_size = size; + if (offset < i_size_read(inode) && + offset + mapping_size >= i_size_read(inode)) { + /* limit mapping to block that spans EOF */ + mapping_size = roundup(i_size_read(inode) - offset, + 1 << inode->i_blkbits); + } if (mapping_size > LONG_MAX) mapping_size = LONG_MAX; You'd think a generic function like roundup() would handle that sort of 64/32 bit type problem, yes? But it doesn't, despite what the comment implies: /* The `const' in roundup() prevents gcc-3.3 from calling __divdi3 */ #define roundup(x, y) ( \ { \ const typeof(y) __y = y; \ (((x) + (__y - 1)) / __y) * __y; \ } \ ) It doesn't even have type checking that might warn you of impending problems... /me looks around in the XFS code for a bit ... and finds roundup_64() in fs/xfs/xfs_linux.h. That uses do_div() to avoid this problem. And it's a static inline function, so it has type checking, too. And so this hunk fixes the problem: @@ -1365,7 +1365,7 @@ __xfs_get_blocks( if (offset < i_size_read(inode) && offset + mapping_size >= i_size_read(inode)) { /* limit mapping to block that spans EOF */ - mapping_size = roundup(i_size_read(inode) - offset, + mapping_size = roundup_64(i_size_read(inode) - offset, 1 << inode->i_blkbits); } if (mapping_size > LONG_MAX) Can you test it, please, and I'll push out an updated branch hopefully in time for today's linux-next build.... Cheers, Dave. -- Dave Chinner david@fromorbit.com From david@fromorbit.com Wed Apr 16 17:08:30 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 4BF5B7F58 for ; Wed, 16 Apr 2014 17:08:30 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id EF39DAC002 for ; Wed, 16 Apr 2014 15:08:29 -0700 (PDT) X-ASG-Debug-ID: 1397686101-04bdf04553c2280001-NocioJ Received: from ipmail06.adl2.internode.on.net (ipmail06.adl2.internode.on.net [150.101.137.129]) by cuda.sgi.com with ESMTP id ifbLXK2rbAEcYBAx for ; Wed, 16 Apr 2014 15:08:24 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.129 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AjR7ABH/TlN5LEcvPGdsb2JhbABZgwaDU4UKoi+TW4VggSQXAwEBAQE4NYIlAQEBBDocFQ4QCAMYCSUPBSUDBxoTh3vKDxcWjkwHhDgEmGWKaYskKw Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail06.adl2.internode.on.net with ESMTP; 17 Apr 2014 07:38:09 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WaY00-0000yE-1a; Thu, 17 Apr 2014 08:08:08 +1000 Date: Thu, 17 Apr 2014 08:08:08 +1000 From: Dave Chinner To: Eric Sandeen Cc: Christoph Hellwig , xfs-oss , Steven Rostedt Subject: Re: [PATCH 2/2] xfs: Nuke XFS_ERROR macro Message-ID: <20140416220807.GN15995@dastard> X-ASG-Orig-Subj: Re: [PATCH 2/2] xfs: Nuke XFS_ERROR macro References: <534EC073.8090006@sandeen.net> <534EC282.7010905@sandeen.net> <20140416175117.GA23643@infradead.org> <534EC42D.1080704@sandeen.net> <534ED5E4.60903@sandeen.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <534ED5E4.60903@sandeen.net> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail06.adl2.internode.on.net[150.101.137.129] X-Barracuda-Start-Time: 1397686103 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC5_SA210e X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4983 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC5_SA210e Custom Rule SA210e [ cc the tracing expert ] On Wed, Apr 16, 2014 at 02:11:32PM -0500, Eric Sandeen wrote: > On 4/16/14, 12:55 PM, Eric Sandeen wrote: > > On 4/16/14, 12:51 PM, Christoph Hellwig wrote: > >> On Wed, Apr 16, 2014 at 12:48:50PM -0500, Eric Sandeen wrote: > >>> XFS_ERROR was designed long ago to trap return values, > >>> but it's not runtime configurable, it's not consistently used, > >>> and we can do the same thing today with systemtap, using > >>> something like: > >>> > >>> probe module("xfs").function("xfs_*").return { if (@defined($return) && $return == VALUE) { ... } } > >> > >> Gives me a version just using ftrace, or at least a kprobes based module > >> that we can merged in the kernel tree and this would be fine for me. > >> > >> Requiring a massive blob of questionable out of tree module code and a > >> compiler is an absolute no-go. > > > > Ok, fair point. > > > >> NAK for now. > > > > Even if we don't have a replacement, I have yet to find anyone who has > > ever used it... > > > > Anyway, I'll look into options besides systemtap. > > Here's the "best" I've come up with so far... > > # for FUNCTION in `grep "t xfs_" /proc/kallsyms | awk '{print $3}'`; do echo "r:ret_$FUNCTION $FUNCTION \$retval" >> /sys/kernel/debug/tracing/kprobe_events; done > > # for ENABLE in /sys/kernel/debug/tracing/events/kprobes/ret_xfs_*/enable; do echo 1 > $ENABLE; done > > run a test that fails: > > # dd if=/dev/zero of=newfile bs=513 oflag=direct > dd: writing `newfile': Invalid argument > > # for ENABLE in /sys/kernel/debug/tracing/events/kprobes/ret_xfs_*/enable; do echo 0 > $ENABLE; done > > # cat /sys/kernel/debug/tracing/trace > > <...>-63791 [000] d... 705435.568913: ret_xfs_vn_mknod: (xfs_vn_create+0x13/0x20 [xfs] <- xfs_vn_mknod) arg1=0 > <...>-63791 [000] d... 705435.568913: ret_xfs_vn_create: (vfs_create+0xdb/0x100 <- xfs_vn_create) arg1=0 > <...>-63791 [000] d... 705435.568918: ret_xfs_file_open: (do_dentry_open+0x24e/0x2e0 <- xfs_file_open) arg1=0 > <...>-63791 [000] d... 705435.568934: ret_xfs_file_dio_aio_write: (xfs_file_aio_write+0x147/0x150 [xfs] <- xfs_file_dio_aio_write) arg1=ffffffffffffffea > > Hey look, it's "-22" in hex! ;) > > so it's possible, but bleah. Steve, we want to be able to trap specific return codes from functions. Say, for example, the first function that returns EINVAL/-EINVAL in XFS under a given workload. What's the most efficient way to do that with ftrace? And can that be set up as a trigger so we can use it to dump a snapshot of the last N events into the trace buffer or do other interesting things with that event? Cheers, Dave. -- Dave Chinner david@fromorbit.com From david@fromorbit.com Wed Apr 16 17:10:07 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id C50937F5A for ; Wed, 16 Apr 2014 17:10:07 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id AD23830408C for ; Wed, 16 Apr 2014 15:10:04 -0700 (PDT) X-ASG-Debug-ID: 1397686201-04cbb06e9bbc790001-NocioJ Received: from ipmail06.adl2.internode.on.net (ipmail06.adl2.internode.on.net [150.101.137.129]) by cuda.sgi.com with ESMTP id viRamAyG04Czo0OQ for ; Wed, 16 Apr 2014 15:10:02 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.129 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AjR7ABH/TlN5LEcvPGdsb2JhbABZgwaDU4UKoi+TW4VggSQXAwEBAQE4NYIlAQEBBCcTHCMQCAMYCSUPBSUDBxoTh3vKDxcWjWgNVweEOASYZYppiyQrgSwBHw Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail06.adl2.internode.on.net with ESMTP; 17 Apr 2014 07:40:01 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WaY1o-0000yT-GH; Thu, 17 Apr 2014 08:10:00 +1000 Date: Thu, 17 Apr 2014 08:10:00 +1000 From: Dave Chinner To: Mark Tinguely Cc: XFS Filesystem , Paul Gortmaker Subject: Re: [PATCH] xfs: fix 32bit __divdi3 undefined Message-ID: <20140416221000.GO15995@dastard> X-ASG-Orig-Subj: Re: [PATCH] xfs: fix 32bit __divdi3 undefined References: <534EAB41.60901@windriver.com> <20140416215223.512644029@sgi.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140416215223.512644029@sgi.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail06.adl2.internode.on.net[150.101.137.129] X-Barracuda-Start-Time: 1397686201 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4983 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Wed, Apr 16, 2014 at 04:51:56PM -0500, Mark Tinguely wrote: > The roundup in commit 68c1fb5d should be a roundup_64() > because it is desired to round a 64 bit type by an integer > and that will result in a 64 bit value. On 32 bit machines > using roundup() in this case will result in the error: > > ERROR: "__divdi3" [fs/xfs/xfs.ko] undefined! > > Reported-by: Paul Gortmaker > Tested-by: Paul Gortmaker > Signed-off-by: Mark Tinguely > --- > fs/xfs/xfs_aops.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > Index: b/fs/xfs/xfs_aops.c > =================================================================== > --- a/fs/xfs/xfs_aops.c > +++ b/fs/xfs/xfs_aops.c > @@ -1365,7 +1365,7 @@ __xfs_get_blocks( > if (offset < i_size_read(inode) && > offset + mapping_size >= i_size_read(inode)) { > /* limit mapping to block that spans EOF */ > - mapping_size = roundup(i_size_read(inode) - offset, > + mapping_size = roundup_64(i_size_read(inode) - offset, > 1 << inode->i_blkbits); > } > if (mapping_size > LONG_MAX) I'm not going to apply this as a patch - I'm going to rebase the branch with the fix in the original patch so we don't have a bisect breakage in the branch. Don't worry, I'll add the fact you fixed the bug into the commit message... Cheers, Dave. -- Dave Chinner david@fromorbit.com From david@fromorbit.com Wed Apr 16 17:29:04 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id D97FE7F54 for ; Wed, 16 Apr 2014 17:29:04 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id A5E978F8039 for ; Wed, 16 Apr 2014 15:29:01 -0700 (PDT) X-ASG-Debug-ID: 1397687339-04bdf04553c36d0001-NocioJ Received: from ipmail06.adl2.internode.on.net (ipmail06.adl2.internode.on.net [150.101.137.129]) by cuda.sgi.com with ESMTP id K16Y7yW3PhCkF4XC for ; Wed, 16 Apr 2014 15:28:59 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.129 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AjR7AI8DT1N5LEcvPGdsb2JhbABZgwaDU4UKoi+TW4VggSQXAwEBAQE4NYIlAQEBBDocIxAIAw4KCSUPBSUDBxoTh3vKDRcWjkwHhDgEmGWKaYskKw Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail06.adl2.internode.on.net with ESMTP; 17 Apr 2014 07:58:29 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WaYJf-00010s-MD; Thu, 17 Apr 2014 08:28:27 +1000 Date: Thu, 17 Apr 2014 08:28:27 +1000 From: Dave Chinner To: Christoph Hellwig Cc: Eric Sandeen , xfs-oss Subject: Re: [PATCH 2/2] xfs: Nuke XFS_ERROR macro Message-ID: <20140416222827.GP15995@dastard> X-ASG-Orig-Subj: Re: [PATCH 2/2] xfs: Nuke XFS_ERROR macro References: <534EC073.8090006@sandeen.net> <534EC282.7010905@sandeen.net> <20140416175117.GA23643@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140416175117.GA23643@infradead.org> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail06.adl2.internode.on.net[150.101.137.129] X-Barracuda-Start-Time: 1397687339 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC5_SA210e X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4984 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC5_SA210e Custom Rule SA210e On Wed, Apr 16, 2014 at 10:51:17AM -0700, Christoph Hellwig wrote: > On Wed, Apr 16, 2014 at 12:48:50PM -0500, Eric Sandeen wrote: > > XFS_ERROR was designed long ago to trap return values, > > but it's not runtime configurable, it's not consistently used, > > and we can do the same thing today with systemtap, using > > something like: > > > > probe module("xfs").function("xfs_*").return { if (@defined($return) && $return == VALUE) { ... } } > > Gives me a version just using ftrace, or at least a kprobes based module > that we can merged in the kernel tree and this would be fine for me. > > Requiring a massive blob of questionable out of tree module code and a > compiler is an absolute no-go. > > NAK for now. I think regardless of the systemtap/ftrace replacement, nobody uses this at the moment, and it's not been used for a long time. It's a compile time configurable, debug only error trap that is far less useful than adding printk() or tracepoints at the appropriate points. If you've got to recompile the kernel to use it, then you may as well add meaningful debug rather than hope an error trap that panics the kernel tells you what you need. i.e. the error trap code as it stands is only useful for those running kernel debuggers, and very few developers actually do that these days. And, FWIW, it only allows detection of then initial error instance - too bad if you want the second or third occurrence of the error. IOWs, I can't see how this is at all useful anymore.... Cheers, Dave. -- Dave Chinner david@fromorbit.com From tinguely@sgi.com Wed Apr 16 17:30:49 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=RP_MATCHES_RCVD autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id A313B7F67 for ; Wed, 16 Apr 2014 17:30:49 -0500 (CDT) Received: from eagdhcp-232-178.americas.sgi.com (eagdhcp-232-178.americas.sgi.com [128.162.232.178]) by relay1.corp.sgi.com (Postfix) with ESMTP id 675128F8065; Wed, 16 Apr 2014 15:30:49 -0700 (PDT) Message-ID: <534F0498.4010902@sgi.com> Date: Wed, 16 Apr 2014 17:30:48 -0500 From: Mark Tinguely User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:9.0) Gecko/20120122 Thunderbird/9.0 MIME-Version: 1.0 To: Dave Chinner CC: XFS Filesystem , Paul Gortmaker Subject: Re: [PATCH] xfs: fix 32bit __divdi3 undefined References: <534EAB41.60901@windriver.com> <20140416215223.512644029@sgi.com> <20140416221000.GO15995@dastard> In-Reply-To: <20140416221000.GO15995@dastard> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit On 04/16/14 17:10, Dave Chinner wrote: > On Wed, Apr 16, 2014 at 04:51:56PM -0500, Mark Tinguely wrote: >> The roundup in commit 68c1fb5d should be a roundup_64() >> because it is desired to round a 64 bit type by an integer >> and that will result in a 64 bit value. On 32 bit machines >> using roundup() in this case will result in the error: >> >> ERROR: "__divdi3" [fs/xfs/xfs.ko] undefined! >> >> Reported-by: Paul Gortmaker >> Tested-by: Paul Gortmaker >> Signed-off-by: Mark Tinguely >> --- >> fs/xfs/xfs_aops.c | 2 +- >> 1 file changed, 1 insertion(+), 1 deletion(-) >> >> Index: b/fs/xfs/xfs_aops.c >> =================================================================== >> --- a/fs/xfs/xfs_aops.c >> +++ b/fs/xfs/xfs_aops.c >> @@ -1365,7 +1365,7 @@ __xfs_get_blocks( >> if (offset< i_size_read(inode)&& >> offset + mapping_size>= i_size_read(inode)) { >> /* limit mapping to block that spans EOF */ >> - mapping_size = roundup(i_size_read(inode) - offset, >> + mapping_size = roundup_64(i_size_read(inode) - offset, >> 1<< inode->i_blkbits); >> } >> if (mapping_size> LONG_MAX) > > I'm not going to apply this as a patch - I'm going to rebase the > branch with the fix in the original patch so we don't have a bisect > breakage in the branch. Don't worry, I'll add the fact you fixed the > bug into the commit message... > > Cheers, > > Dave. Makes sense. --Mark. From namjae.jeon@samsung.com Wed Apr 16 17:35:40 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.1 required=5.0 tests=HDRS_LCASE,T_MANY_HDRS_LCASE autolearn=no version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 25EF87F58 for ; Wed, 16 Apr 2014 17:35:40 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 0F0A28F8039 for ; Wed, 16 Apr 2014 15:35:39 -0700 (PDT) X-ASG-Debug-ID: 1397687736-04cbb06e9dbe1c0001-NocioJ Received: from mailout2.samsung.com (mailout2.samsung.com [203.254.224.25]) by cuda.sgi.com with ESMTP id hAFDjl2Y9RHVhBSS (version=TLSv1 cipher=RC4-MD5 bits=128 verify=NO) for ; Wed, 16 Apr 2014 15:35:38 -0700 (PDT) X-Barracuda-Envelope-From: namjae.jeon@samsung.com X-Barracuda-Apparent-Source-IP: 203.254.224.25 X-Barracuda-IPDD: Level2 [samsung.com/203.254.224.25] Received: from epcpsbgr2.samsung.com (u142.gpu120.samsung.co.kr [203.254.230.142]) by mailout2.samsung.com (Oracle Communications Messaging Server 7u4-24.01 (7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTP id <0N4500FJGARC3J40@mailout2.samsung.com> for xfs@oss.sgi.com; Thu, 17 Apr 2014 07:35:36 +0900 (KST) X-Barracuda-IPDD: Level2 [samsung.com/203.254.224.25] X-Barracuda-IPDD: Level2 [samsung.com/203.254.224.25] X-Barracuda-IPDD: Level2 [samsung.com/203.254.224.25] X-Barracuda-IPDD: Level2 [samsung.com/203.254.224.25] X-Barracuda-IPDD: Level2 [samsung.com/203.254.224.25] X-Barracuda-IPDD: Level2 [samsung.com/203.254.224.25] Received: from epcpsbgm2.samsung.com ( [172.20.52.114]) by epcpsbgr2.samsung.com (EPCPMTA) with SMTP id 44.5C.09028.8B50F435; Thu, 17 Apr 2014 07:35:36 +0900 (KST) X-AuditID: cbfee68e-b7f566d000002344-07-534f05b8b062 Received: from epmmp2 ( [203.254.227.17]) by epcpsbgm2.samsung.com (EPCPMTA) with SMTP id 91.EE.28157.7B50F435; Thu, 17 Apr 2014 07:35:36 +0900 (KST) Received: from DONAMJAEJEO06 ([10.88.104.63]) by mmp2.samsung.com (Oracle Communications Messaging Server 7u4-24.01 (7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTPA id <0N45006HIARBXA10@mmp2.samsung.com>; Thu, 17 Apr 2014 07:35:35 +0900 (KST) From: Namjae Jeon To: 'Dave Chinner' Cc: xfs@oss.sgi.com, linux-fsdevel@vger.kernel.org Subject: [PATCH] xfstests: fsstress: remove duplicate COLLAPSE_RANGE flags Date: Thu, 17 Apr 2014 07:35:35 +0900 X-ASG-Orig-Subj: [PATCH] xfstests: fsstress: remove duplicate COLLAPSE_RANGE flags Message-id: <002c01cf59c4$2f4273e0$8dc75ba0$@samsung.com> MIME-version: 1.0 Content-type: text/plain; charset=us-ascii Content-transfer-encoding: 7bit X-Mailer: Microsoft Outlook 14.0 Thread-index: Ac9Zw9HgBLaKGnCoR/qPhaf4ddfswA== Content-language: ko X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFlrFIsWRmVeSWpSXmKPExsWyRsSkSHcHq3+wwb9b3BZbjt1jtNiz9ySL xaK+W4wOzB6nFkl4rL6wldHj8ya5AOYoLpuU1JzMstQifbsEroye3RfYCvpYK7b1zGdpYFzJ 0sXIySEhYCKx5Ws/E4QtJnHh3nq2LkYuDiGBpYwSxzt3M8IUTe86wAqRmM4o8fn5InYI5y+j xIP/m4DaOTjYBLQl/mwRBWkQEdCQmLb3CDOIzSxgJLHtzCawQcICXhJP9j9mA7FZBFQlbv09 BVbDK2ApsaDzHhOELSjxY/I9FoheLYn1O48zQdjyEpvXvGWGOEhBYsfZ14wga0UE9CQuf4iE KBGR2PfiHSPIaRICy9glvszdywKxS0Di2+RDLCD1EgKyEpsOQI2RlDi44gbLBEaxWUg2z0Ky eRaSzbOQrFjAyLKKUTS1ILmgOCm9yEivODG3uDQvXS85P3cTIzCeTv971reD8eYB60OMyUDr JzJLiSbnA+MxryTe0NjMyMLUxNTYyNzSjDRhJXHeRQ+TgoQE0hNLUrNTUwtSi+KLSnNSiw8x MnFwSjUw5t8z9tsU8rBjWf+H/SHvBb9HTlbNmBK798lE06/pV3ZMXcvWwvRY3KBwwqaVm31i p4v/S9faKOFsytYrJ7P13truMKmbC5Ty78ds434kuCuqePOku1yfX02yFm2aWvdDbbVIQYxQ 9EkX3+WvrjqXunXofXSMeLwo0LBR8Kx63Jd3r49NXvtUVImlOCPRUIu5qDgRADXrVXi9AgAA X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFmpnleLIzCtJLcpLzFFi42I5/e+xoO4OVv9ggwnnmS22HLvHaLFn70kW i0V9txgdmD1OLZLwWH1hK6PH501yAcxRDYw2GamJKalFCql5yfkpmXnptkrewfHO8aZmBoa6 hpYW5koKeYm5qbZKLj4Bum6ZOUCLlBTKEnNKgUIBicXFSvp2mCaEhrjpWsA0Ruj6hgTB9RgZ oIGENYwZPbsvsBX0sVZs65nP0sC4kqWLkZNDQsBEYnrXAVYIW0ziwr31bF2MXBxCAtMZJT4/ X8QO4fxllHjwfxNTFyMHB5uAtsSfLaIgDSICGhLT9h5hBrGZBYwktp3ZxAhiCwt4STzZ/5gN xGYRUJW49fcUWA2vgKXEgs57TBC2oMSPyfdYIHq1JNbvPM4EYctLbF7zlhniIAWJHWdfM4Ks FRHQk7j8IRKiRERi34t3jBMYBWYhmTQLyaRZSCbNQtKygJFlFaNoakFyQXFSeq6RXnFibnFp Xrpecn7uJkZwtD6T3sG4qsHiEKMAB6MSDy/nb79gIdbEsuLK3EOMEhzMSiK8mWeBQrwpiZVV qUX58UWlOanFhxiTgR6dyCwlmpwPTCR5JfGGxiZmRpZG5oYWRsbmpAkrifMebLUOFBJITyxJ zU5NLUgtgtnCxMEp1cAonXrrsqX9nBOSGgtieV8emmn9yWmO24rl3HVnZBWevqz1v7+CpeaC fvi1Gck29es1VELatuukPZ/z493X9d2106bWfji5NTD0hFFNChNH0cvCS3LpJZrC6TN+qLQv 22GuEL1Le8ONr5ei78xbuOenUOoSu4SLWbPU4iQXvI451GS1oyFvj1CZEktxRqKhFnNRcSIA uqG75RoDAAA= DLP-Filter: Pass X-MTR: 20000000000000000@CPGS X-CFilter-Loop: Reflected X-Barracuda-Connect: mailout2.samsung.com[203.254.224.25] X-Barracuda-Start-Time: 1397687738 X-Barracuda-Encrypted: RC4-MD5 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 From: Namjae Jeon Remove duplicate COLLAPSE_RANGE flags Signed-off-by: Namjae Jeon Signed-off-by: Ashish Sangwan --- ltp/fsstress.c | 1 - 1 file changed, 1 deletion(-) diff --git a/ltp/fsstress.c b/ltp/fsstress.c index 1eec11a..29fc250 100644 --- a/ltp/fsstress.c +++ b/ltp/fsstress.c @@ -2176,7 +2176,6 @@ struct print_flags falloc_flags [] = { { FALLOC_FL_NO_HIDE_STALE, "NO_HIDE_STALE"}, { FALLOC_FL_COLLAPSE_RANGE, "COLLAPSE_RANGE"}, { FALLOC_FL_ZERO_RANGE, "ZERO_RANGE"}, - { FALLOC_FL_COLLAPSE_RANGE, "COLLAPSE_RANGE"}, { -1, NULL} }; From david@fromorbit.com Wed Apr 16 18:09:10 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id D20477F54 for ; Wed, 16 Apr 2014 18:09:10 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 6DA05AC003 for ; Wed, 16 Apr 2014 16:09:07 -0700 (PDT) X-ASG-Debug-ID: 1397689744-04cbb06e9bc0300001-NocioJ Received: from ipmail06.adl2.internode.on.net (ipmail06.adl2.internode.on.net [150.101.137.129]) by cuda.sgi.com with ESMTP id jdkfzuogJjKxeJM5 for ; Wed, 16 Apr 2014 16:09:05 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.129 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AmB+ABoNT1N5LEcvPGdsb2JhbABZgwaDVYUKoi+TW4VggSAXAwEBAQE4NYIlAQEBBDocIxAIAw4KCSUPBSUDBxoTh3vKCBcWjkwHgySBFASYZZYNKw Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail06.adl2.internode.on.net with ESMTP; 17 Apr 2014 08:33:29 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WaYrL-00016Z-CH; Thu, 17 Apr 2014 09:03:15 +1000 Date: Thu, 17 Apr 2014 09:03:15 +1000 From: Dave Chinner To: Christoph Hellwig Cc: Miklos Szeredi , Miklos Szeredi , xfs@oss.sgi.com Subject: Re: [PATCH 2/4] renameat2 syscall: check plain rename Message-ID: <20140416230315.GF31578@dastard> X-ASG-Orig-Subj: Re: [PATCH 2/4] renameat2 syscall: check plain rename References: <1397231517-4641-1-git-send-email-miklos@szeredi.hu> <1397231517-4641-2-git-send-email-miklos@szeredi.hu> <20140414023020.GJ27694@dastard> <20140416141825.GA32449@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140416141825.GA32449@infradead.org> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail06.adl2.internode.on.net[150.101.137.129] X-Barracuda-Start-Time: 1397689744 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4985 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Wed, Apr 16, 2014 at 07:18:25AM -0700, Christoph Hellwig wrote: > On Mon, Apr 14, 2014 at 12:30:20PM +1000, Dave Chinner wrote: > > IOWs, XFS is returning EEXIST rather than ENOTEMPTY for several of > > these rename tests. The rename man page says this about the errors: > > > > ENOTEMPTY or EEXIST > > newpath is a nonempty directory, that is, contains > > entries other than "." and "..". > > > > Which implies that both errors are valid and so the test should pass > > in either case. Can you send a patch to handle these > > different-but-valid error returns? > > I would much prefer if all Linux filesystems behaved uniformly here. > > While EEXIST sounds much more logical to me in this case I suspect most > other filesystems have copy & pasted from ext2, and we should switch to > ENOTEMPTY as well. Send patches, please. But from an xfstests perspective, we still have to support kernels and filesystems that return EEXIST for this function, as it is valid for them to do so.... Cheers, Dave. -- Dave Chinner david@fromorbit.com From david@fromorbit.com Wed Apr 16 18:14:28 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 1E3877F54 for ; Wed, 16 Apr 2014 18:14:28 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 054DF304053 for ; Wed, 16 Apr 2014 16:14:24 -0700 (PDT) X-ASG-Debug-ID: 1397690058-04cb6c2439bfc70001-NocioJ Received: from ipmail04.adl6.internode.on.net (ipmail04.adl6.internode.on.net [150.101.137.141]) by cuda.sgi.com with ESMTP id BQpaYjyAqSucjA1z for ; Wed, 16 Apr 2014 16:14:19 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.141 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AtFpAAgOT1N5LEcvPGdsb2JhbABZgwY7gxqnOZNbhWCBIBcDAQEBATg1giUBAQEDATocIwULCAMYCSUPBSUDBxoTh3QHDsl3EwQWjkwHhDgEmGWUPIFRKw Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail04.adl6.internode.on.net with ESMTP; 17 Apr 2014 08:43:35 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WaZ1J-00018O-Mc; Thu, 17 Apr 2014 09:13:33 +1000 Date: Thu, 17 Apr 2014 09:13:33 +1000 From: Dave Chinner To: Filipe David Manana Cc: "xfs@oss.sgi.com" , "linux-btrfs@vger.kernel.org" , Josef Bacik Subject: Re: [PATCH] xfstests: btrfs, test send's ability to punch holes and prealloc extents Message-ID: <20140416231333.GQ15995@dastard> X-ASG-Orig-Subj: Re: [PATCH] xfstests: btrfs, test send's ability to punch holes and prealloc extents References: <1397580201-27475-1-git-send-email-fdmanana@gmail.com> <20140416002349.GV15995@dastard> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail04.adl6.internode.on.net[150.101.137.141] X-Barracuda-Start-Time: 1397690059 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4985 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Wed, Apr 16, 2014 at 03:39:18PM +0100, Filipe David Manana wrote: > On Wed, Apr 16, 2014 at 1:23 AM, Dave Chinner wrote: > > On Tue, Apr 15, 2014 at 05:43:21PM +0100, Filipe David Borba Manana wrote: > >> This test verifies that after an incremental btrfs send the replicated file has > >> the same exact hole and data structure as in the origin filesystem. This didn't > >> use to be the case before the send stream version 2 - holes were sent as write > >> operations of 0 valued bytes instead of punching holes with the fallocate system > >> call, and pre-allocated extents were sent as well as write operations of 0 valued > >> bytes instead of intructions for the receiver to use the fallocate system call. > >> Also checks that prealloc extents that lie beyond the file's size are replicated > >> by an incremental send. > > > > Can you wrap commit messages at 68 columns? > > > > .... > >> +md5sum $SCRATCH_MNT/mysnap2/foo | _filter_scratch > >> +# List all hole and data segments. > >> +$XFS_IO_PROG -r -c "seek -r -a 0" $SCRATCH_MNT/mysnap2/foo > >> +# List all extents, we're interested here in prealloc extents that lie beyond > >> +# the file's size. > >> +$XFS_IO_PROG -r -c "fiemap -l" $SCRATCH_MNT/mysnap2/foo | _filter_scratch > > > > That dumps raw block numbers into the golden output. _filter_fiemap > > is probably needed here. > > Hum, just tried it and uploaded a v2. > However I'm now noticing it doesn't do everything I had in mind. > _filter_fiemap is not showing the extents falloc -k created, only a > collapsed range of holes. > > So my intention is to verify not just holes, but also the extents > created by 'falloc -k'. The following filter I just made locally gives > me that: > > _filter_all_fiemap() > { > awk --posix ' > $3 ~ /hole/ { > print $1, $2, $3; > next; > } > $3 ~ /[[:xdigit:]]*..[[:xdigit:]]/ { > print $1, $2, "extent"; > next; > }' > } Which is effectively _filter_hole_fiemap(), except it coalesces adjacent extents into a single range. I'd suggest moving the _filter_* functions from common/punch to common/filter, and using _filter_hole_fiemap() as there's no guarantee that you'll get individual extents for each falloc -k range - they coul dbe allocated contiguously, and hence the number of extents reported can change from run to run. That's the reason why the filters coalesce adjacent file offsets of the same type - we care whether the range of the file contains the correct extent type, not how fragmented the range is.... > (nicely printed/indented at > https://friendpaste.com/1JtG5bts2Sz0LWhUutCpzE, as e-mail is not good > for code pasting) Pasting code works fine for me ;) > Which gives me: > > 0: [0..191]: extent > 1: [192..199]: extent > 2: [200..231]: extent > 3: [232..239]: extent > 4: [240..287]: extent > 5: [288..295]: extent > 6: [296..487]: extent > 7: [488..495]: extent > 8: [496..519]: hole > 9: [520..527]: extent > 10: [528..583]: extent > 11: [584..591]: extent > 12: [592..2543]: extent > 13: [2544..17575]: hole > 14: [17576..21487]: extent Also, you're trimming of the block count, so you can drop the "-l" option to the fiemap command.... > Versus only (from _filter_fiemap): > > 0: [496..17575]: hole Maybe the "-l" option is confusing the filter, it should be giving: 0: [0..495]: data 1: [496..519]: hole 2: [520..2543]: data 3: [2544..17575]: hole 4: [17576..21487]: data Though if there are unwritten extents, it will say "unwritten" rather than "data". _filter_hole_fiemap should give: 0: [0..495]: extent 1: [496..519]: hole 2: [520..2543]: extent 3: [2544..17575]: hole 4: [17576..21487]: extent Which tells you that everything you asked for was allocated... Cheers, Dave. -- Dave Chinner david@fromorbit.com From neilb@suse.de Wed Apr 16 18:25:27 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 717EE7F54 for ; Wed, 16 Apr 2014 18:25:27 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id E46D0AC001 for ; Wed, 16 Apr 2014 16:25:23 -0700 (PDT) X-ASG-Debug-ID: 1397690721-04cb6c2439c0a60001-NocioJ Received: from mx2.suse.de (cantor2.suse.de [195.135.220.15]) by cuda.sgi.com with ESMTP id BPzB8FRu2FsUJJ9t (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Wed, 16 Apr 2014 16:25:22 -0700 (PDT) X-Barracuda-Envelope-From: neilb@suse.de X-Barracuda-Apparent-Source-IP: 195.135.220.15 Received: from relay2.suse.de (charybdis-ext.suse.de [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id 8BC4AACDB; Wed, 16 Apr 2014 23:25:20 +0000 (UTC) Date: Thu, 17 Apr 2014 09:25:04 +1000 From: NeilBrown To: Jeff Layton Cc: linux-mm@kvack.org, linux-nfs@vger.kernel.org, linux-kernel@vger.kernel.org, xfs@oss.sgi.com, netdev@vger.kernel.org Subject: Re: [PATCH 05/19] SUNRPC: track whether a request is coming from a loop-back interface. Message-ID: <20140417092504.57a49f9d@notabene.brown> X-ASG-Orig-Subj: Re: [PATCH 05/19] SUNRPC: track whether a request is coming from a loop-back interface. In-Reply-To: <20140416104702.264cde48@tlielax.poochiereds.net> References: <20140416033623.10604.69237.stgit@notabene.brown> <20140416040336.10604.14822.stgit@notabene.brown> <20140416104702.264cde48@tlielax.poochiereds.net> X-Mailer: Claws Mail 3.9.2 (GTK+ 2.24.22; x86_64-suse-linux-gnu) Mime-Version: 1.0 Content-Type: multipart/signed; micalg=PGP-SHA1; boundary="Sig_/CcwxN46Oguly3bCuijnuqE3"; protocol="application/pgp-signature" X-Barracuda-Connect: cantor2.suse.de[195.135.220.15] X-Barracuda-Start-Time: 1397690721 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4986 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- --Sig_/CcwxN46Oguly3bCuijnuqE3 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable On Wed, 16 Apr 2014 10:47:02 -0400 Jeff Layton wrote: > On Wed, 16 Apr 2014 14:03:36 +1000 > NeilBrown wrote: >=20 > > If an incoming NFS request is coming from the local host, then > > nfsd will need to perform some special handling. So detect that > > possibility and make the source visible in rq_local. > >=20 > > Signed-off-by: NeilBrown > > --- > > include/linux/sunrpc/svc.h | 1 + > > include/linux/sunrpc/svc_xprt.h | 1 + > > net/sunrpc/svcsock.c | 10 ++++++++++ > > 3 files changed, 12 insertions(+) > >=20 > > diff --git a/include/linux/sunrpc/svc.h b/include/linux/sunrpc/svc.h > > index 04e763221246..a0dbbd1e00e9 100644 > > --- a/include/linux/sunrpc/svc.h > > +++ b/include/linux/sunrpc/svc.h > > @@ -254,6 +254,7 @@ struct svc_rqst { > > u32 rq_prot; /* IP protocol */ > > unsigned short > > rq_secure : 1; /* secure port */ > > + unsigned short rq_local : 1; /* local request */ > > =20 > > void * rq_argp; /* decoded arguments */ > > void * rq_resp; /* xdr'd results */ > > diff --git a/include/linux/sunrpc/svc_xprt.h b/include/linux/sunrpc/svc= _xprt.h > > index b05963f09ebf..b99bdfb0fcf9 100644 > > --- a/include/linux/sunrpc/svc_xprt.h > > +++ b/include/linux/sunrpc/svc_xprt.h > > @@ -63,6 +63,7 @@ struct svc_xprt { > > #define XPT_DETACHED 10 /* detached from tempsocks list */ > > #define XPT_LISTENER 11 /* listening endpoint */ > > #define XPT_CACHE_AUTH 12 /* cache auth info */ > > +#define XPT_LOCAL 13 /* connection from loopback interface */ > > =20 > > struct svc_serv *xpt_server; /* service for transport */ > > atomic_t xpt_reserved; /* space on outq that is rsvd */ > > diff --git a/net/sunrpc/svcsock.c b/net/sunrpc/svcsock.c > > index b6e59f0a9475..193115fe968c 100644 > > --- a/net/sunrpc/svcsock.c > > +++ b/net/sunrpc/svcsock.c > > @@ -811,6 +811,7 @@ static struct svc_xprt *svc_tcp_accept(struct svc_x= prt *xprt) > > struct socket *newsock; > > struct svc_sock *newsvsk; > > int err, slen; > > + struct dst_entry *dst; > > RPC_IFDEBUG(char buf[RPC_MAX_ADDRBUFLEN]); > > =20 > > dprintk("svc: tcp_accept %p sock %p\n", svsk, sock); > > @@ -867,6 +868,14 @@ static struct svc_xprt *svc_tcp_accept(struct svc_= xprt *xprt) > > } > > svc_xprt_set_local(&newsvsk->sk_xprt, sin, slen); > > =20 > > + clear_bit(XPT_LOCAL, &newsvsk->sk_xprt.xpt_flags); > > + rcu_read_lock(); > > + dst =3D rcu_dereference(newsock->sk->sk_dst_cache); > > + if (dst && dst->dev && > > + (dst->dev->features & NETIF_F_LOOPBACK)) > > + set_bit(XPT_LOCAL, &newsvsk->sk_xprt.xpt_flags); > > + rcu_read_unlock(); > > + >=20 > In the use-case you describe, the client is unlikely to have mounted > "localhost", but is more likely to be mounting a floating address in > the cluster. >=20 > Will this flag end up being set in such a situation? It looks like > NETIF_F_LOOPBACK isn't set on all adapters -- mostly on "lo" and a few > others that support MAC-LOOPBACK. I was hoping someone on net-dev would have commented if it didn't work - I probably should have explicitly asked. My testing certainly suggests that this works if I use any local address to perform the mount, not just 127.0.0.1. I don't know enough about routing and neighbours and the dst cache to be certain but my shallow understanding was always that traffic to any local address was pseudo-routed through the lo interface and would never get anywhere near e.g. the eth0 interface. Can any network people confirm? Thanks, NeilBrown >=20 >=20 > > if (serv->sv_stats) > > serv->sv_stats->nettcpconn++; > > =20 > > @@ -1112,6 +1121,7 @@ static int svc_tcp_recvfrom(struct svc_rqst *rqst= p) > > =20 > > rqstp->rq_xprt_ctxt =3D NULL; > > rqstp->rq_prot =3D IPPROTO_TCP; > > + rqstp->rq_local =3D !!test_bit(XPT_LOCAL, &svsk->sk_xprt.xpt_fl= ags); > > =20 > > p =3D (__be32 *)rqstp->rq_arg.head[0].iov_base; > > calldir =3D p[1]; > >=20 > >=20 > > -- > > To unsubscribe from this list: send the line "unsubscribe linux-nfs" in > > the body of a message to majordomo@vger.kernel.org > > More majordomo info at http://vger.kernel.org/majordomo-info.html >=20 >=20 --Sig_/CcwxN46Oguly3bCuijnuqE3 Content-Type: application/pgp-signature; name=signature.asc Content-Disposition: attachment; filename=signature.asc -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.22 (GNU/Linux) iQIVAwUBU08RVznsnt1WYoG5AQIqlxAAqLL4IuhcC8p8k8jWdErxWKT7tbRpFrbD Wuek/KQQWWceJyhB6Px0x6PqyZcQki523xOvzVPDhwH1ox0i1B+N6gBB9yNbjejF 9SB+2M5iIWaTLmlJ4ikbTRqnymOabVxrq/wp8E32bB+x88s8KPg7/XUUeEDWmf2D a/ls9dlVObBQXEHkaNor8p9VDG/4amI+Wrc/n4wcDHoUu1mgUd9fcEjuy15OHd58 jgni/EmCgDaAlVE/+rhgFeLuHzLcfgPB4Sr3oK7mCQR2YDJR7nKsfLIe6uJSvIOS ZmcPo7SdRaQRn1YFt8fFRWxEeoJVayH5NmKqcqgoja7Bo5Tt+XDQ+F7XGQCvAkyX 0LzyMrm5o3qEky6HcsfpY/6bygcN7O+yuopeEUqIdvkZ4TupRs7WrabeJkAID238 c1trKdNVPVL5IvJijDv76BquDKTWNvLCpDV0wMWvavgy+KOEp94798xYMYm6cRaM ttgqxcmCfhIZK5HbKSMO6ynqpln9HOioePR5FdhINRLw7Z1fP/2sgizDGKOeImea nlmMdxJgYxSkGpmYOwmAJuL36Fl6jivQpZdq6EvdtJ0fxeO17CIS2ImU0tiPtH1e cfb71+ISEIP0Y4GlV7D9dlqTXbw0wrno/84BJLjCTfUtPSzrA0KcqAOg6t+DbfHI HB1epNHm5L8= =3z3m -----END PGP SIGNATURE----- --Sig_/CcwxN46Oguly3bCuijnuqE3-- From stan@hardwarefreak.com Wed Apr 16 18:31:07 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 880617F58 for ; Wed, 16 Apr 2014 18:31:07 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id 422BB304082 for ; Wed, 16 Apr 2014 16:31:04 -0700 (PDT) X-ASG-Debug-ID: 1397691062-04bdf04555c7150001-NocioJ Received: from greer.hardwarefreak.com (mo-65-41-216-221.sta.embarqhsd.net [65.41.216.221]) by cuda.sgi.com with ESMTP id 6MVbF3NnHH6TPrwc for ; Wed, 16 Apr 2014 16:31:02 -0700 (PDT) X-Barracuda-Envelope-From: stan@hardwarefreak.com X-Barracuda-Apparent-Source-IP: 65.41.216.221 X-Barracuda-User-Whitelist: xfs@oss.sgi.com Received: from [192.168.100.53] (gffx.hardwarefreak.com [192.168.100.53]) by greer.hardwarefreak.com (Postfix) with ESMTP id F31036C0F1; Wed, 16 Apr 2014 18:31:01 -0500 (CDT) Message-ID: <534F12B6.9010101@hardwarefreak.com> Date: Wed, 16 Apr 2014 18:31:02 -0500 From: Stan Hoeppner Reply-To: stan@hardwarefreak.com User-Agent: Mozilla/5.0 (Windows NT 5.1; rv:24.0) Gecko/20100101 Thunderbird/24.4.0 MIME-Version: 1.0 To: Johannes Truschnigg , Dave Chinner CC: xfs@oss.sgi.com, NeilBrown Subject: Re: Seeking XFS tuning advice for PostgreSQL on SATA SSDs/Linux-md References: <534D24AB.1050605@geizhals.at> <20140415213408.GL15995@dastard> <534E3D98.3000600@geizhals.at> X-ASG-Orig-Subj: Re: Seeking XFS tuning advice for PostgreSQL on SATA SSDs/Linux-md In-Reply-To: <534E3D98.3000600@geizhals.at> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Barracuda-Connect: mo-65-41-216-221.sta.embarqhsd.net[65.41.216.221] X-Barracuda-Start-Time: 1397691062 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On 4/16/2014 3:21 AM, Johannes Truschnigg wrote: > On 04/15/2014 11:34 PM, Dave Chinner wrote: ... >>> After digging through linux-raid archives, I think the most sensible >>> approach are two-disk pairs in RAID1 that are concatenated via >>> either LVM2 or md (leaning towards the latter, since I'd expect that >>> to have a tad less overhead), >> >> I'd stripe them (i.e. RAID10), not concantenate them so as to load >> both RAID1 legs evenly. > > Afaik, the problem with md is that each array (I'm pretty convinced that > also holds true for RAID10, but I'm not 100% sure) only has one > associated kernel thread for writes, which should make that kind of Neil will surely correct me if I missed any relatively recent patches may have changed these. Single write thread personalities (ones people actually use): RAID 1, 10, 5, 6 Unbound personalities: RAID 0, linear > setup worse, at least in theory and in terms of achiveable parallelism, > than the setup I described. I'd be very happy to see a comparison > between the two setups for high-IOPS devices, but I haven't yet found > one anywhere. I can't provide such a head-to-head comparison but I can provide some insight. With a plain HBA, 6 SSDs, and md you should test RAID50 for this workload, an md RAID0 over two 3 drive RAID5 arrays. Your dual socket 6 core Sandy Bridge 15MB L3 parts are 2GHz, boost clock 2.5GHz. I've been doing tuning for a colleague with a single socket 4 core Ivy Bridge 8MB L3 part at 3.3GHz, boost clock 3.7GHz, Intel board w/C202 ASIC, 8GB two channel DDR3, 9211-8i PCIe 2.0 x8 HBA (LSISAS 2008 ASIC), and currently 7, previously 5, Intel 520 series 480GB consumer SSDs, no over provisioning. These use the SandForce 2281 controller which relies on compression for peak performance. The array is md RAID5, metadata 1.2, 64KB chunk, stripe_cache_size 4096, reshaped from 5 to 7 drives recently. The system is an iSCSI target server, poor man's SAN, and has no filesystems for the most part. The md device is carved into multiple LVs which are exported as LUNs, w/one 50GB LV reserved for testing/benchmarking. With the single RAID5 write thread we're achieving 318k parallel FIO 4KB random read IOPS, 45k per drive as all 7 drives are in play for reads as there is no parity block skipping as with rust. We see a shade over 59k 4KB random write IOPS, ~10k IOPS per drive, using parallel submission, zero_buffers for compressibility, libaio, etc. The apparently low 59k figure appears entirely due to GC, as you can see the latency start small and ramp up quickly two paragraphs below. 10k per drive is in line with Intel's lowest number for the 520s 480GB model of 9.5k IOPS, but theirs is for incompressible data. Given Dave's 4-6k for the 840 EVO I'd say this is probably representative of hi-po consumer SSDs with no over provisioning being saturated and not being TRIM'd. Cpu core burn during the write test averaged ~50% with peak of ~58%, 15 %us and 35 %sy, with the 15% being IO submission, 35% the RAID5 thread, w/average 40-50 %wa. > Starting 32 threads > > read: (groupid=0, jobs=16): err= 0: pid=36459 > read : io=74697MB, bw=1244.1MB/s, iops=318691 , runt= 60003msec > slat (usec): min=0 , max=999873 , avg= 5.90, stdev=529.35 > clat (usec): min=0 , max=1002.4K, avg=795.43, stdev=5201.15 > lat (usec): min=0 , max=1002.4K, avg=801.56, stdev=5233.38 > clat percentiles (usec): > | 1.00th=[ 0], 5.00th=[ 213], 10.00th=[ 286], 20.00th=[ 366], > | 30.00th=[ 438], 40.00th=[ 516], 50.00th=[ 604], 60.00th=[ 708], > | 70.00th=[ 860], 80.00th=[ 1096], 90.00th=[ 1544], 95.00th=[ 1928], > | 99.00th=[ 2608], 99.50th=[ 2800], 99.90th=[ 3536], 99.95th=[ 4128], > | 99.99th=[15424] > bw (KB/s) : min=22158, max=245376, per=6.39%, avg=81462.59, stdev=22339.85 > lat (usec) : 2=3.34%, 4=0.01%, 10=0.01%, 20=0.01%, 50=0.01% > lat (usec) : 100=0.01%, 250=3.67%, 500=31.43%, 750=24.55%, 1000=13.33% > lat (msec) : 2=19.37%, 4=4.25%, 10=0.04%, 20=0.01%, 50=0.01% > lat (msec) : 100=0.01%, 250=0.01%, 1000=0.01%, 2000=0.01% > cpu : usr=30.27%, sys=236.67%, ctx=239859018, majf=0, minf=64588 > IO depths : 1=0.1%, 2=0.1%, 4=0.1%, 8=0.1%, 16=100.0%, 32=0.0%, >=64=0.0% > submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% > complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.1%, 32=0.0%, 64=0.0%, >=64=0.0% > issued : total=r=19122474/w=0/d=0, short=r=0/w=0/d=0 > write: (groupid=1, jobs=16): err= 0: pid=38376 > write: io=13885MB, bw=236914KB/s, iops=59228 , runt= 60016msec > slat (usec): min=2 , max=25554K, avg=25.74, stdev=17219.99 > clat (usec): min=122 , max=43459K, avg=4294.06, stdev=100111.47 > lat (usec): min=129 , max=43459K, avg=4319.92, stdev=101581.66 > clat percentiles (usec): > | 1.00th=[ 482], 5.00th=[ 628], 10.00th=[ 748], 20.00th=[ 996], > | 30.00th=[ 1320], 40.00th=[ 1784], 50.00th=[ 2352], 60.00th=[ 3056], > | 70.00th=[ 4192], 80.00th=[ 5920], 90.00th=[ 8384], 95.00th=[10816], > | 99.00th=[17536], 99.50th=[20096], 99.90th=[57088], 99.95th=[67072], > | 99.99th=[123392] > bw (KB/s) : min= 98, max=25256, per=6.74%, avg=15959.71, stdev=2969.06 > lat (usec) : 250=0.01%, 500=1.25%, 750=8.72%, 1000=10.13% > lat (msec) : 2=23.87%, 4=24.78%, 10=24.87%, 20=5.85%, 50=0.39% > lat (msec) : 100=0.11%, 250=0.01%, 750=0.01%, 2000=0.01%, >=2000=0.01% > cpu : usr=5.47%, sys=39.74%, ctx=54762279, majf=0, minf=62375 > IO depths : 1=0.1%, 2=0.1%, 4=0.1%, 8=0.1%, 16=100.0%, 32=0.0%, >=64=0.0% > submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% > complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.1%, 32=0.0%, 64=0.0%, >=64=0.0% > issued : total=r=0/w=3554662/d=0, short=r=0/w=0/d=0 If a 3.3GHz Ivy Bridge core w/8MB shared L3 can do ~60k random write IOPS, 70k w/parity with one md RAID5 thread and 64KB chunk, at ~50% core utilization, it seems reasonable it could do ~120/140k IOPs w/wo parity at 100% core utilization. A 2GHz Sandy Bridge core has 61% of the clock, and with almost double the L3 should have ~66% of the performance. ((0.66*140k)/3= 30.8k IOPS per drive)*2 drives)= ~61k RAID5 4KB IOPS Thus, two 3 drive md RAID5 arrays nested in an md RAID0 stripe and optimally configured (see below) should yield up to ~122k or more random 4KB IOPS, SSD limited. With 3x mirrors and your 830s you get ~35k per spindle, ~105k IOPS aggregate with 3 write threads using maybe 5-10% each of 3 cores. You get redundancy against SSD controller/power circuit, board failure, but not against flash wear failure as each mirror sees 100% of the redundant byte writes. Given you have 12 cores (disable HT as it will decrease md performance), 10 of them likely perennially idle, the better solution may be RAID50. Doing this... 1. Tweak IRQ affinity to keep interrupts off the md thread cores 2. Pin RAID5 threads to cores on different NUMA nodes, different L3 domains, so each has 15MB of L3 available, core 5 on each socket is good as the process scheduler will hit them last 3. Use 16KB RAID5 chunk, 32KB RAID0 chunk yielding 64KB outer stripe 4. Set stripe_cache_size to 4096 Should get gain you this... 1. +~17k IOPS over 3x mirrors 2. +1 drive capacity or +85GB/drive over provisioning 3. ~33% lower flash wear and bandwidth For the cost of two fully utilized cores at peak IOPS. You have primarily a DB replication workload and the master's workload in a failover situation. In both cases your write IO will be to one or more journals and one or more DB files, and some indexes. Very few files will be created and the existing files will be modified in place via mmap or simply appended in the case of the journals. So this workload has little if any allocation. Is this correct? If so you'd want a small stripe width and chunk size to get relatively decent IO distribution across the nested RAID5 arrays. Matching chunk size to the erase block size as some recommend is irrelevant here because all your random IOs are a tiny fraction of the erase block size. The elevator (assuming noop) will merge some IOs as well as the the SSD itself, so you won't get erase block rewrites for each 4KB IO. md will be unable to write full stripes, so using a big chunk/stripe is pretty useless here and just adds read overhead. If you mkfs.xfs this md RAID0 device using the defaults it will align to su=32KB sw=2 and create 16 AGs, unless the default has changed. Regardless, XFS alignment to RAID geometry should be largely irrelevant for a transactional DB workload that performs very few allocations but mostly mmap'd modify-in-place and append operations to a small set of files. >> [...] >>> I've experimented with mkfs.xfs (on top of LVM only; I don't know if >>> it takes into account lower block layers and seen that it supposedly >>> chooses to default to an agcount of 4, which seems insufficient >>> given the max. bandwidth our setup should be able to provide. >> >> The number of AGs has no bearing on acheivable bandwidth... with striped storage. With concat setups it can make a big difference. Concat is out of scope for this discussion, but it will be covered in detail in the documentation I'm currently working on with much expert input from Dave. >> The number >> of AGs affects allocation concurrency. Hence if you have 24 CPU >> cores, I'd expect that you want 32 AGs. Normally with a RAID array >> this will be the default, You mean just striped md/dm arrays right? AFAIK we can't yet poll hardware RAIDs for geometry as no standard exists. Also, was the default agcount for striped md/dm arrays changed from the static 16 to 32, or was some intelligence added? I admit I don't keep up with all the patches, but if this was in the subject I'd think it would have caught my eye. This info would be meaningful and useful to me whereas most patches are over my head. :( >> but it seems that RAID1 is not triggering >> the "optimise for allocation concurrency" heuristics in mkfs.... I thought XFS only do this for md/dm arrays with stripe geometry. Using a nested stripe it should kick in though. > Thanks, that is a very useful heads-up! What's the formula used to get > to 32 AGs for 24 CPUs - just (num_cpus * 4/3), Note Dave says "allocation concurrency", and what I stated up above about typical database workloads not doing much allocation. If yours is typical then more AGs won't yield any additional performance. > and is there a simple > explanation for why this is an ideal starting point? And is that an > advisable rule of thumb for xfs in general? More AGs can be useful if you have parallel allocation to at least one directory in each AG. However with striping this doesn't provide a lot of extra bang for the buck. With concatenated storage and proper file/dir/AG layout it can provide large parallel scalability of IOPS and/or throughput depending on the hardware, for both files and metadta. Wait a few months for me to finish the docs. Explaining AG optimization requires too much text for an email exchange. Dave and I have done it before, somewhat piecemeal, and that's in the archives. For your workload and SSDs AGs make zero difference. >>> Apart from that, is there any kind of advice you can share for >>> tuning xfs to run postgres (9.0 initially, but we're planning to >>> upgrade to 9.3 or later eventually) on in 2014, especially >>> performance-wise? >> >> Apart from the AG count and perhaps tuning the sunit/swidth to match >> the RAID0 part of the equation, I wouldn't touch a thing unless you >> know that there's a problem that needs fixing and you know exactly >> what knob will fix the problem you have... Nothing more than has already been stated. > OK, I'll read up on stripe width impact and will (hopefully) have enough > time to test a number of configs that should make sense. Again, chunk/stripe won't matter much for a typical transactional DB if using few files and no allocation. Hope my added input is useful, valuable, and that Dave knows I was appending some of his remarks for clarity, not attempting to correct them. :) Cheers, Stan From david@fromorbit.com Wed Apr 16 18:40:39 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 0066F7F58 for ; Wed, 16 Apr 2014 18:40:38 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 7CD9BAC001 for ; Wed, 16 Apr 2014 16:40:38 -0700 (PDT) X-ASG-Debug-ID: 1397691635-04cb6c2439c1a90001-NocioJ Received: from ipmail04.adl6.internode.on.net (ipmail04.adl6.internode.on.net [150.101.137.141]) by cuda.sgi.com with ESMTP id 2yztsMiW4nRSHSrE for ; Wed, 16 Apr 2014 16:40:36 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.141 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: Al5+ACAUT1N5LEcvPGdsb2JhbABZgwaDVYUKoi+TW4VggSAXAwEBAQE4NYIlAQEBBDocIxAIAxgJJQ8FJQMHGhOHe8oMFxaOTAeEOASYZZYNKw Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail04.adl6.internode.on.net with ESMTP; 17 Apr 2014 09:10:28 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WaZRL-0001Cm-CM; Thu, 17 Apr 2014 09:40:27 +1000 Date: Thu, 17 Apr 2014 09:40:27 +1000 From: Dave Chinner To: Eric Sandeen Cc: xfs-oss Subject: Re: [PATCH] xfstests: log running test to dmesg Message-ID: <20140416234027.GR15995@dastard> X-ASG-Orig-Subj: Re: [PATCH] xfstests: log running test to dmesg References: <534EF81D.20205@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <534EF81D.20205@redhat.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail04.adl6.internode.on.net[150.101.137.141] X-Barracuda-Start-Time: 1397691635 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4986 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Wed, Apr 16, 2014 at 04:37:33PM -0500, Eric Sandeen wrote: > We already log the running test to system logs via "logger" > but viro pointed out that we can use /dev/kmsg to insert it > into dmesg as well. When looking at the serial console that > could be pretty useful. > > Thanks to viro for the test -w suggestion too. > > Signed-off-by: Eric Sandeen > --- > > diff --git a/check b/check > index 268417c..09b2320 100755 > --- a/check > +++ b/check > @@ -457,6 +457,7 @@ do > $timestamp && echo -n " ["`date "+%T"`"]" > [ ! -x $seq ] && chmod u+x $seq # ensure we can run it > $LOGGER_PROG "run xfstest $seqnum" > + test -w /dev/kmsg && echo "run xfstest $seqnum" > /dev/kmsg > ./$seq >$tmp.rawout 2>&1 > sts=$? > $timestamp && _timestamp Might it be worthwhile adding a "_log" function that can take an arbitrary string so in future it is easy to add new log messages? Cheers, Dave. -- Dave Chinner david@fromorbit.com From dgc@oss.sgi.com Wed Apr 16 18:44:20 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=-0.0 required=5.0 tests=NO_RELAYS autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: by oss.sgi.com (Postfix, from userid 10266) id 69B7A7F58; Wed, 16 Apr 2014 18:44:20 -0500 (CDT) From: xfs@oss.sgi.com To: xfs@oss.sgi.com Subject: [XFS updates] XFS development tree branch, xfs-fixes-for-3.15-rc2, updated. xfs-for-linus-3.15-rc1-14836-g330033d X-Git-Refname: refs/heads/xfs-fixes-for-3.15-rc2 X-Git-Reftype: branch X-Git-Oldrev: b90159297f95491c348354344e52a4b3da440234 X-Git-Newrev: 330033d697ed8d296fa52b5303db9d802ad901cc Message-Id: <20140416234420.69B7A7F58@oss.sgi.com> Date: Wed, 16 Apr 2014 18:44:19 -0500 (CDT) This is an automated email from the git hooks/post-receive script. It was generated because a ref change was pushed to the repository containing the project "XFS development tree". The branch, xfs-fixes-for-3.15-rc2 has been updated discards b90159297f95491c348354344e52a4b3da440234 (commit) discards 341fcf35d5c111e27c4ef5c2e179a463ff2fc1b5 (commit) discards b7f6608b9de371c79498cd3db4b5346718430a0c (commit) discards d7cc0f34d9b8bdba7f426463ce1dc50a69bcac63 (commit) discards 5425a32d36703bf4099d597bb4eea5581efc2660 (commit) discards 68c1fb5d82c8206e78895169810298f181b9183a (commit) 330033d xfs: fix tmpfile/selinux deadlock and initialize security 8d6c121 xfs: fix buffer use after free on IO error 07d5035 xfs: wrong error sign conversion during failed DIO writes 9c23ecc xfs: unmount does not wait for shutdown during unmount d39a2ce xfs: collapse range is delalloc challenged 0e1f789 xfs: don't map ranges that span EOF for direct IO from b90159297f95491c348354344e52a4b3da440234 (commit) Those revisions listed above that are new to this repository have not appeared on any other notification email; so we list those revisions in full, below. - Log ----------------------------------------------------------------- commit 330033d697ed8d296fa52b5303db9d802ad901cc Author: Brian Foster Date: Thu Apr 17 08:15:30 2014 +1000 xfs: fix tmpfile/selinux deadlock and initialize security xfstests generic/004 reproduces an ilock deadlock using the tmpfile interface when selinux is enabled. This occurs because xfs_create_tmpfile() takes the ilock and then calls d_tmpfile(). The latter eventually calls into xfs_xattr_get() which attempts to get the lock again. E.g.: xfs_io D ffffffff81c134c0 4096 3561 3560 0x00000080 ffff8801176a1a68 0000000000000046 ffff8800b401b540 ffff8801176a1fd8 00000000001d5800 00000000001d5800 ffff8800b401b540 ffff8800b401b540 ffff8800b73a6bd0 fffffffeffffffff ffff8800b73a6bd8 ffff8800b5ddb480 Call Trace: [] schedule+0x29/0x70 [] rwsem_down_read_failed+0xc5/0x120 [] ? xfs_ilock_attr_map_shared+0x1f/0x50 [xfs] [] call_rwsem_down_read_failed+0x14/0x30 [] ? down_read_nested+0x89/0xa0 [] ? xfs_ilock+0x122/0x250 [xfs] [] xfs_ilock+0x122/0x250 [xfs] [] xfs_ilock_attr_map_shared+0x1f/0x50 [xfs] [] xfs_attr_get+0x90/0xe0 [xfs] [] xfs_xattr_get+0x37/0x50 [xfs] [] generic_getxattr+0x4f/0x70 [] inode_doinit_with_dentry+0x1ae/0x650 [] selinux_d_instantiate+0x1c/0x20 [] security_d_instantiate+0x1b/0x30 [] d_instantiate+0x50/0x70 [] d_tmpfile+0xb5/0xc0 [] xfs_create_tmpfile+0x362/0x410 [xfs] [] xfs_vn_tmpfile+0x18/0x20 [xfs] [] path_openat+0x228/0x6a0 [] ? sched_clock+0x9/0x10 [] ? kvm_clock_read+0x27/0x40 [] ? __alloc_fd+0xaf/0x1f0 [] do_filp_open+0x3a/0x90 [] ? _raw_spin_unlock+0x27/0x40 [] ? __alloc_fd+0xaf/0x1f0 [] do_sys_open+0x12e/0x210 [] SyS_open+0x1e/0x20 [] system_call_fastpath+0x16/0x1b xfs_vn_tmpfile() also fails to initialize security on the newly created inode. Pull the d_tmpfile() call up into xfs_vn_tmpfile() after the transaction has been committed and the inode unlocked. Also, initialize security on the inode based on the parent directory provided via the tmpfile call. Signed-off-by: Brian Foster Reviewed-by: Christoph Hellwig Signed-off-by: Dave Chinner commit 8d6c121018bf60d631c05a4a2efc468a392b97bb Author: Eric Sandeen Date: Thu Apr 17 08:15:28 2014 +1000 xfs: fix buffer use after free on IO error When testing exhaustion of dm snapshots, the following appeared with CONFIG_DEBUG_OBJECTS_FREE enabled: ODEBUG: free active (active state 0) object type: work_struct hint: xfs_buf_iodone_work+0x0/0x1d0 [xfs] indicating that we'd freed a buffer which still had a pending reference, down this path: [ 190.867975] [] debug_check_no_obj_freed+0x22b/0x270 [ 190.880820] [] kmem_cache_free+0xd0/0x370 [ 190.892615] [] xfs_buf_free+0xe4/0x210 [xfs] [ 190.905629] [] xfs_buf_rele+0xe7/0x270 [xfs] [ 190.911770] [] xfs_trans_read_buf_map+0x7b6/0xac0 [xfs] At issue is the fact that if IO fails in xfs_buf_iorequest, we'll queue completion unconditionally, and then call xfs_buf_rele; but if IO failed, there are no IOs remaining, and xfs_buf_rele will free the bp while work is still queued. Fix this by not scheduling completion if the buffer has an error on it; run it immediately. The rest is only comment changes. Thanks to dchinner for spotting the root cause. Signed-off-by: Eric Sandeen Reviewed-by: Brian Foster Signed-off-by: Dave Chinner commit 07d5035a289f8bebe0ea86c293b2d5412478c481 Author: Dave Chinner Date: Thu Apr 17 08:15:27 2014 +1000 xfs: wrong error sign conversion during failed DIO writes We negate the error value being returned from a generic function incorrectly. The code path that it is running in returned negative errors, so there is no need to negate it to get the correct error signs here. This was uncovered by generic/019. Signed-off-by: Dave Chinner Reviewed-by: Christoph Hellwig Signed-off-by: Dave Chinner commit 9c23eccc1e746f64b18fab070a37189b4422e44a Author: Dave Chinner Date: Thu Apr 17 08:15:26 2014 +1000 xfs: unmount does not wait for shutdown during unmount And interesting situation can occur if a log IO error occurs during the unmount of a filesystem. The cases reported have the same signature - the update of the superblock counters fails due to a log write IO error: XFS (dm-16): xfs_do_force_shutdown(0x2) called from line 1170 of file fs/xfs/xfs_log.c. Return address = 0xffffffffa08a44a1 XFS (dm-16): Log I/O Error Detected. Shutting down filesystem XFS (dm-16): Unable to update superblock counters. Freespace may not be correct on next mount. XFS (dm-16): xfs_log_force: error 5 returned. XFS (¿-¿¿¿): Please umount the filesystem and rectify the problem(s) It can be seen that the last line of output contains a corrupt device name - this is because the log and xfs_mount structures have already been freed by the time this message is printed. A kernel oops closely follows. The issue is that the shutdown is occurring in a separate IO completion thread to the unmount. Once the shutdown processing has started and all the iclogs are marked with XLOG_STATE_IOERROR, the log shutdown code wakes anyone waiting on a log force so they can process the shutdown error. This wakes up the unmount code that is doing a synchronous transaction to update the superblock counters. The unmount path now sees all the iclogs are marked with XLOG_STATE_IOERROR and so never waits on them again, knowing that if it does, there will not be a wakeup trigger for it and we will hang the unmount if we do. Hence the unmount runs through all the remaining code and frees all the filesystem structures while the xlog_iodone() is still processing the shutdown. When the log shutdown processing completes, xfs_do_force_shutdown() emits the "Please umount the filesystem and rectify the problem(s)" message, and xlog_iodone() then aborts all the objects attached to the iclog. An iclog that has already been freed.... The real issue here is that there is no serialisation point between the log IO and the unmount. We have serialisations points for log writes, log forces, reservations, etc, but we don't actually have any code that wakes for log IO to fully complete. We do that for all other types of object, so why not iclogbufs? Well, it turns out that we can easily do this. We've got xfs_buf handles, and that's what everyone else uses for IO serialisation. i.e. bp->b_sema. So, lets hold iclogbufs locked over IO, and only release the lock in xlog_iodone() when we are finished with the buffer. That way before we tear down the iclog, we can lock and unlock the buffer to ensure IO completion has finished completely before we tear it down. Signed-off-by: Dave Chinner Tested-by: Mike Snitzer Tested-by: Bob Mastors Reviewed-by: Brian Foster Signed-off-by: Dave Chinner commit d39a2ced0fa0172faa46df0866fc22419b876e2a Author: Dave Chinner Date: Thu Apr 17 08:15:25 2014 +1000 xfs: collapse range is delalloc challenged FSX has been detecting data corruption after to collapse range calls. The key observation is that the offset of the last extent in the file was not being shifted, and hence when the file size was adjusted it was truncating away data because the extents handled been correctly shifted. Tracing indicated that before the collapse, the extent list looked like: .... ino 0x5788 state idx 6 offset 26 block 195904 count 10 flag 0 ino 0x5788 state idx 7 offset 39 block 195917 count 35 flag 0 ino 0x5788 state idx 8 offset 86 block 195964 count 32 flag 0 and after the shift of 2 blocks: ino 0x5788 state idx 6 offset 24 block 195904 count 10 flag 0 ino 0x5788 state idx 7 offset 37 block 195917 count 35 flag 0 ino 0x5788 state idx 8 offset 86 block 195964 count 32 flag 0 Note that the last extent did not change offset. After the changing of the file size: ino 0x5788 state idx 6 offset 24 block 195904 count 10 flag 0 ino 0x5788 state idx 7 offset 37 block 195917 count 35 flag 0 ino 0x5788 state idx 8 offset 86 block 195964 count 30 flag 0 You can see that the last extent had it's length truncated, indicating that we've lost data. The reason for this is that the xfs_bmap_shift_extents() loop uses XFS_IFORK_NEXTENTS() to determine how many extents are in the inode. This, unfortunately, doesn't take into account delayed allocation extents - it's a count of physically allocated extents - and hence when the file being collapsed has a delalloc extent like this one does prior to the range being collapsed: .... ino 0x5788 state idx 4 offset 11 block 4503599627239429 count 1 flag 0 .... it gets the count wrong and terminates the shift loop early. Fix it by using the in-memory extent array size that includes delayed allocation extents to determine the number of extents on the inode. Signed-off-by: Dave Chinner Tested-by: Brian Foster Reviewed-by: Christoph Hellwig Signed-off-by: Dave Chinner commit 0e1f789d0dc38db79dfc4ddfd9cf541a8c198b7a Author: Dave Chinner Date: Thu Apr 17 08:15:19 2014 +1000 xfs: don't map ranges that span EOF for direct IO Al Viro tracked down the problem that has caused generic/263 to fail on XFS since the test was introduced. If is caused by xfs_get_blocks() mapping a single extent that spans EOF without marking it as buffer-new() so that the direct IO code does not zero the tail of the block at the new EOF. This is a long standing bug that has been around for many, many years. Because xfs_get_blocks() starts the map before EOF, it can't set buffer_new(), because that causes he direct IO code to also zero unaligned sectors at the head of the IO. This would overwrite valid data with zeros, and hence we cannot validly return a single extent that spans EOF to direct IO. Fix this by detecting a mapping that spans EOF and truncate it down to EOF. This results in the the direct IO code doing the right thing for unaligned data blocks before EOF, and then returning to get another mapping for the region beyond EOF which XFS treats correctly by setting buffer_new() on it. This makes direct Io behave correctly w.r.t. tail block zeroing beyond EOF, and fsx is happy about that. Again, thanks to Al Viro for finding what I couldn't. [ dchinner: Fix for __divdi3 build error: Reported-by: Paul Gortmaker Tested-by: Paul Gortmaker Signed-off-by: Mark Tinguely Reviewed-by: Eric Sandeen ] Signed-off-by: Dave Chinner Tested-by: Brian Foster Reviewed-by: Christoph Hellwig Signed-off-by: Dave Chinner ----------------------------------------------------------------------- Summary of changes: fs/xfs/xfs_aops.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) hooks/post-receive -- XFS development tree From rostedt@goodmis.org Wed Apr 16 18:44:48 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 890E27F55 for ; Wed, 16 Apr 2014 18:44:48 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 04E44AC002 for ; Wed, 16 Apr 2014 16:44:47 -0700 (PDT) X-ASG-Debug-ID: 1397691885-04cbb06e9cc2760001-NocioJ Received: from cdptpa-oedge-vip.email.rr.com (cdptpa-outbound-snat.email.rr.com [107.14.166.232]) by cuda.sgi.com with ESMTP id VWYxpqJt2YhJtyv1 for ; Wed, 16 Apr 2014 16:44:46 -0700 (PDT) X-Barracuda-Envelope-From: rostedt@goodmis.org X-Barracuda-Apparent-Source-IP: 107.14.166.232 Received: from [67.246.153.56] ([67.246.153.56:52414] helo=gandalf.local.home) by cdptpa-oedge02 (envelope-from ) (ecelerity 3.5.0.35861 r(Momo-dev:tip)) with ESMTP id 73/F2-30401-DE51F435; Wed, 16 Apr 2014 23:44:45 +0000 Date: Wed, 16 Apr 2014 19:44:44 -0400 From: Steven Rostedt To: Dave Chinner Cc: Eric Sandeen , Christoph Hellwig , xfs-oss Subject: Re: [PATCH 2/2] xfs: Nuke XFS_ERROR macro Message-ID: <20140416194444.50176f0f@gandalf.local.home> X-ASG-Orig-Subj: Re: [PATCH 2/2] xfs: Nuke XFS_ERROR macro In-Reply-To: <20140416220807.GN15995@dastard> References: <534EC073.8090006@sandeen.net> <534EC282.7010905@sandeen.net> <20140416175117.GA23643@infradead.org> <534EC42D.1080704@sandeen.net> <534ED5E4.60903@sandeen.net> <20140416220807.GN15995@dastard> X-Mailer: Claws Mail 3.9.3 (GTK+ 2.24.22; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-RR-Connecting-IP: 107.14.168.130:25 X-Cloudmark-Score: 0 X-Barracuda-Connect: cdptpa-outbound-snat.email.rr.com[107.14.166.232] X-Barracuda-Start-Time: 1397691886 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4986 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Thu, 17 Apr 2014 08:08:08 +1000 Dave Chinner wrote: > > Here's the "best" I've come up with so far... > > > > # for FUNCTION in `grep "t xfs_" /proc/kallsyms | awk '{print $3}'`; do echo "r:ret_$FUNCTION $FUNCTION \$retval" >> /sys/kernel/debug/tracing/kprobe_events; done BTW, it's usually better to do: grep 't xfs_' /proc/kallsyms | awk '{print $3}' ; while read FUNCTION; do .... > > > > # for ENABLE in /sys/kernel/debug/tracing/events/kprobes/ret_xfs_*/enable; do echo 1 > $ENABLE; done > > > > run a test that fails: > > > > # dd if=/dev/zero of=newfile bs=513 oflag=direct > > dd: writing `newfile': Invalid argument > > > > # for ENABLE in /sys/kernel/debug/tracing/events/kprobes/ret_xfs_*/enable; do echo 0 > $ENABLE; done > > > > # cat /sys/kernel/debug/tracing/trace > > > > <...>-63791 [000] d... 705435.568913: ret_xfs_vn_mknod: (xfs_vn_create+0x13/0x20 [xfs] <- xfs_vn_mknod) arg1=0 > > <...>-63791 [000] d... 705435.568913: ret_xfs_vn_create: (vfs_create+0xdb/0x100 <- xfs_vn_create) arg1=0 > > <...>-63791 [000] d... 705435.568918: ret_xfs_file_open: (do_dentry_open+0x24e/0x2e0 <- xfs_file_open) arg1=0 > > <...>-63791 [000] d... 705435.568934: ret_xfs_file_dio_aio_write: (xfs_file_aio_write+0x147/0x150 [xfs] <- xfs_file_dio_aio_write) arg1=ffffffffffffffea > > > > Hey look, it's "-22" in hex! ;) > > > > so it's possible, but bleah. > > Steve, we want to be able to trap specific return codes from > functions. Say, for example, the first function that returns > EINVAL/-EINVAL in XFS under a given workload. > > What's the most efficient way to do that with ftrace? > > And can that be set up as a trigger so we can use it to dump a > snapshot of the last N events into the trace buffer or do other > interesting things with that event? Well, after you do the above, you could also do a while loop to all those events and update the filter: echo 'arg1 > 0xffffffffffffff00' > /debug/tracing/events/kprobes/filter Which would trace only those functions that had an error code (assuming the error code is less than 256). You could also use the trigger files: echo 'traceoff if arg1 > 0xffffffffffffff00' > /debug/tracing/events/kprobes/*/trigger The above wont actually work as is, you would need to do another while loop of trigger files and set them each individually. -- Steve From dgc@oss.sgi.com Wed Apr 16 18:45:02 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=-0.0 required=5.0 tests=NO_RELAYS autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: by oss.sgi.com (Postfix, from userid 10266) id F30947F58; Wed, 16 Apr 2014 18:45:02 -0500 (CDT) From: xfs@oss.sgi.com To: xfs@oss.sgi.com Subject: [XFS updates] XFS development tree branch, for-next, updated. xfs-for-linus-3.15-rc1-14836-g330033d X-Git-Refname: refs/heads/for-next X-Git-Reftype: branch X-Git-Oldrev: b90159297f95491c348354344e52a4b3da440234 X-Git-Newrev: 330033d697ed8d296fa52b5303db9d802ad901cc Message-Id: <20140416234502.F30947F58@oss.sgi.com> Date: Wed, 16 Apr 2014 18:45:02 -0500 (CDT) This is an automated email from the git hooks/post-receive script. It was generated because a ref change was pushed to the repository containing the project "XFS development tree". The branch, for-next has been updated discards b90159297f95491c348354344e52a4b3da440234 (commit) discards 341fcf35d5c111e27c4ef5c2e179a463ff2fc1b5 (commit) discards b7f6608b9de371c79498cd3db4b5346718430a0c (commit) discards d7cc0f34d9b8bdba7f426463ce1dc50a69bcac63 (commit) discards 5425a32d36703bf4099d597bb4eea5581efc2660 (commit) discards 68c1fb5d82c8206e78895169810298f181b9183a (commit) 330033d xfs: fix tmpfile/selinux deadlock and initialize security 8d6c121 xfs: fix buffer use after free on IO error 07d5035 xfs: wrong error sign conversion during failed DIO writes 9c23ecc xfs: unmount does not wait for shutdown during unmount d39a2ce xfs: collapse range is delalloc challenged 0e1f789 xfs: don't map ranges that span EOF for direct IO from b90159297f95491c348354344e52a4b3da440234 (commit) Those revisions listed above that are new to this repository have not appeared on any other notification email; so we list those revisions in full, below. - Log ----------------------------------------------------------------- commit 330033d697ed8d296fa52b5303db9d802ad901cc Author: Brian Foster Date: Thu Apr 17 08:15:30 2014 +1000 xfs: fix tmpfile/selinux deadlock and initialize security xfstests generic/004 reproduces an ilock deadlock using the tmpfile interface when selinux is enabled. This occurs because xfs_create_tmpfile() takes the ilock and then calls d_tmpfile(). The latter eventually calls into xfs_xattr_get() which attempts to get the lock again. E.g.: xfs_io D ffffffff81c134c0 4096 3561 3560 0x00000080 ffff8801176a1a68 0000000000000046 ffff8800b401b540 ffff8801176a1fd8 00000000001d5800 00000000001d5800 ffff8800b401b540 ffff8800b401b540 ffff8800b73a6bd0 fffffffeffffffff ffff8800b73a6bd8 ffff8800b5ddb480 Call Trace: [] schedule+0x29/0x70 [] rwsem_down_read_failed+0xc5/0x120 [] ? xfs_ilock_attr_map_shared+0x1f/0x50 [xfs] [] call_rwsem_down_read_failed+0x14/0x30 [] ? down_read_nested+0x89/0xa0 [] ? xfs_ilock+0x122/0x250 [xfs] [] xfs_ilock+0x122/0x250 [xfs] [] xfs_ilock_attr_map_shared+0x1f/0x50 [xfs] [] xfs_attr_get+0x90/0xe0 [xfs] [] xfs_xattr_get+0x37/0x50 [xfs] [] generic_getxattr+0x4f/0x70 [] inode_doinit_with_dentry+0x1ae/0x650 [] selinux_d_instantiate+0x1c/0x20 [] security_d_instantiate+0x1b/0x30 [] d_instantiate+0x50/0x70 [] d_tmpfile+0xb5/0xc0 [] xfs_create_tmpfile+0x362/0x410 [xfs] [] xfs_vn_tmpfile+0x18/0x20 [xfs] [] path_openat+0x228/0x6a0 [] ? sched_clock+0x9/0x10 [] ? kvm_clock_read+0x27/0x40 [] ? __alloc_fd+0xaf/0x1f0 [] do_filp_open+0x3a/0x90 [] ? _raw_spin_unlock+0x27/0x40 [] ? __alloc_fd+0xaf/0x1f0 [] do_sys_open+0x12e/0x210 [] SyS_open+0x1e/0x20 [] system_call_fastpath+0x16/0x1b xfs_vn_tmpfile() also fails to initialize security on the newly created inode. Pull the d_tmpfile() call up into xfs_vn_tmpfile() after the transaction has been committed and the inode unlocked. Also, initialize security on the inode based on the parent directory provided via the tmpfile call. Signed-off-by: Brian Foster Reviewed-by: Christoph Hellwig Signed-off-by: Dave Chinner commit 8d6c121018bf60d631c05a4a2efc468a392b97bb Author: Eric Sandeen Date: Thu Apr 17 08:15:28 2014 +1000 xfs: fix buffer use after free on IO error When testing exhaustion of dm snapshots, the following appeared with CONFIG_DEBUG_OBJECTS_FREE enabled: ODEBUG: free active (active state 0) object type: work_struct hint: xfs_buf_iodone_work+0x0/0x1d0 [xfs] indicating that we'd freed a buffer which still had a pending reference, down this path: [ 190.867975] [] debug_check_no_obj_freed+0x22b/0x270 [ 190.880820] [] kmem_cache_free+0xd0/0x370 [ 190.892615] [] xfs_buf_free+0xe4/0x210 [xfs] [ 190.905629] [] xfs_buf_rele+0xe7/0x270 [xfs] [ 190.911770] [] xfs_trans_read_buf_map+0x7b6/0xac0 [xfs] At issue is the fact that if IO fails in xfs_buf_iorequest, we'll queue completion unconditionally, and then call xfs_buf_rele; but if IO failed, there are no IOs remaining, and xfs_buf_rele will free the bp while work is still queued. Fix this by not scheduling completion if the buffer has an error on it; run it immediately. The rest is only comment changes. Thanks to dchinner for spotting the root cause. Signed-off-by: Eric Sandeen Reviewed-by: Brian Foster Signed-off-by: Dave Chinner commit 07d5035a289f8bebe0ea86c293b2d5412478c481 Author: Dave Chinner Date: Thu Apr 17 08:15:27 2014 +1000 xfs: wrong error sign conversion during failed DIO writes We negate the error value being returned from a generic function incorrectly. The code path that it is running in returned negative errors, so there is no need to negate it to get the correct error signs here. This was uncovered by generic/019. Signed-off-by: Dave Chinner Reviewed-by: Christoph Hellwig Signed-off-by: Dave Chinner commit 9c23eccc1e746f64b18fab070a37189b4422e44a Author: Dave Chinner Date: Thu Apr 17 08:15:26 2014 +1000 xfs: unmount does not wait for shutdown during unmount And interesting situation can occur if a log IO error occurs during the unmount of a filesystem. The cases reported have the same signature - the update of the superblock counters fails due to a log write IO error: XFS (dm-16): xfs_do_force_shutdown(0x2) called from line 1170 of file fs/xfs/xfs_log.c. Return address = 0xffffffffa08a44a1 XFS (dm-16): Log I/O Error Detected. Shutting down filesystem XFS (dm-16): Unable to update superblock counters. Freespace may not be correct on next mount. XFS (dm-16): xfs_log_force: error 5 returned. XFS (¿-¿¿¿): Please umount the filesystem and rectify the problem(s) It can be seen that the last line of output contains a corrupt device name - this is because the log and xfs_mount structures have already been freed by the time this message is printed. A kernel oops closely follows. The issue is that the shutdown is occurring in a separate IO completion thread to the unmount. Once the shutdown processing has started and all the iclogs are marked with XLOG_STATE_IOERROR, the log shutdown code wakes anyone waiting on a log force so they can process the shutdown error. This wakes up the unmount code that is doing a synchronous transaction to update the superblock counters. The unmount path now sees all the iclogs are marked with XLOG_STATE_IOERROR and so never waits on them again, knowing that if it does, there will not be a wakeup trigger for it and we will hang the unmount if we do. Hence the unmount runs through all the remaining code and frees all the filesystem structures while the xlog_iodone() is still processing the shutdown. When the log shutdown processing completes, xfs_do_force_shutdown() emits the "Please umount the filesystem and rectify the problem(s)" message, and xlog_iodone() then aborts all the objects attached to the iclog. An iclog that has already been freed.... The real issue here is that there is no serialisation point between the log IO and the unmount. We have serialisations points for log writes, log forces, reservations, etc, but we don't actually have any code that wakes for log IO to fully complete. We do that for all other types of object, so why not iclogbufs? Well, it turns out that we can easily do this. We've got xfs_buf handles, and that's what everyone else uses for IO serialisation. i.e. bp->b_sema. So, lets hold iclogbufs locked over IO, and only release the lock in xlog_iodone() when we are finished with the buffer. That way before we tear down the iclog, we can lock and unlock the buffer to ensure IO completion has finished completely before we tear it down. Signed-off-by: Dave Chinner Tested-by: Mike Snitzer Tested-by: Bob Mastors Reviewed-by: Brian Foster Signed-off-by: Dave Chinner commit d39a2ced0fa0172faa46df0866fc22419b876e2a Author: Dave Chinner Date: Thu Apr 17 08:15:25 2014 +1000 xfs: collapse range is delalloc challenged FSX has been detecting data corruption after to collapse range calls. The key observation is that the offset of the last extent in the file was not being shifted, and hence when the file size was adjusted it was truncating away data because the extents handled been correctly shifted. Tracing indicated that before the collapse, the extent list looked like: .... ino 0x5788 state idx 6 offset 26 block 195904 count 10 flag 0 ino 0x5788 state idx 7 offset 39 block 195917 count 35 flag 0 ino 0x5788 state idx 8 offset 86 block 195964 count 32 flag 0 and after the shift of 2 blocks: ino 0x5788 state idx 6 offset 24 block 195904 count 10 flag 0 ino 0x5788 state idx 7 offset 37 block 195917 count 35 flag 0 ino 0x5788 state idx 8 offset 86 block 195964 count 32 flag 0 Note that the last extent did not change offset. After the changing of the file size: ino 0x5788 state idx 6 offset 24 block 195904 count 10 flag 0 ino 0x5788 state idx 7 offset 37 block 195917 count 35 flag 0 ino 0x5788 state idx 8 offset 86 block 195964 count 30 flag 0 You can see that the last extent had it's length truncated, indicating that we've lost data. The reason for this is that the xfs_bmap_shift_extents() loop uses XFS_IFORK_NEXTENTS() to determine how many extents are in the inode. This, unfortunately, doesn't take into account delayed allocation extents - it's a count of physically allocated extents - and hence when the file being collapsed has a delalloc extent like this one does prior to the range being collapsed: .... ino 0x5788 state idx 4 offset 11 block 4503599627239429 count 1 flag 0 .... it gets the count wrong and terminates the shift loop early. Fix it by using the in-memory extent array size that includes delayed allocation extents to determine the number of extents on the inode. Signed-off-by: Dave Chinner Tested-by: Brian Foster Reviewed-by: Christoph Hellwig Signed-off-by: Dave Chinner commit 0e1f789d0dc38db79dfc4ddfd9cf541a8c198b7a Author: Dave Chinner Date: Thu Apr 17 08:15:19 2014 +1000 xfs: don't map ranges that span EOF for direct IO Al Viro tracked down the problem that has caused generic/263 to fail on XFS since the test was introduced. If is caused by xfs_get_blocks() mapping a single extent that spans EOF without marking it as buffer-new() so that the direct IO code does not zero the tail of the block at the new EOF. This is a long standing bug that has been around for many, many years. Because xfs_get_blocks() starts the map before EOF, it can't set buffer_new(), because that causes he direct IO code to also zero unaligned sectors at the head of the IO. This would overwrite valid data with zeros, and hence we cannot validly return a single extent that spans EOF to direct IO. Fix this by detecting a mapping that spans EOF and truncate it down to EOF. This results in the the direct IO code doing the right thing for unaligned data blocks before EOF, and then returning to get another mapping for the region beyond EOF which XFS treats correctly by setting buffer_new() on it. This makes direct Io behave correctly w.r.t. tail block zeroing beyond EOF, and fsx is happy about that. Again, thanks to Al Viro for finding what I couldn't. [ dchinner: Fix for __divdi3 build error: Reported-by: Paul Gortmaker Tested-by: Paul Gortmaker Signed-off-by: Mark Tinguely Reviewed-by: Eric Sandeen ] Signed-off-by: Dave Chinner Tested-by: Brian Foster Reviewed-by: Christoph Hellwig Signed-off-by: Dave Chinner ----------------------------------------------------------------------- Summary of changes: fs/xfs/xfs_aops.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) hooks/post-receive -- XFS development tree From neilb@suse.de Wed Apr 16 19:21:02 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id A327C7F4E for ; Wed, 16 Apr 2014 19:21:02 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 86BCB30408D for ; Wed, 16 Apr 2014 17:20:59 -0700 (PDT) X-ASG-Debug-ID: 1397694057-04cb6c2437c4000001-NocioJ Received: from mx2.suse.de (cantor2.suse.de [195.135.220.15]) by cuda.sgi.com with ESMTP id E0QIU2WHS8s3L8Ql (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Wed, 16 Apr 2014 17:20:58 -0700 (PDT) X-Barracuda-Envelope-From: neilb@suse.de X-Barracuda-Apparent-Source-IP: 195.135.220.15 Received: from relay2.suse.de (charybdis-ext.suse.de [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id 41239ACDB; Thu, 17 Apr 2014 00:20:57 +0000 (UTC) Date: Thu, 17 Apr 2014 10:20:48 +1000 From: NeilBrown To: Jeff Layton Cc: linux-mm@kvack.org, linux-nfs@vger.kernel.org, linux-kernel@vger.kernel.org, xfs@oss.sgi.com, Peter Zijlstra , Ingo Molnar , Ming Lei , netdev@vger.kernel.org Subject: Re: [PATCH/RFC 00/19] Support loop-back NFS mounts Message-ID: <20140417102048.2fc8275c@notabene.brown> X-ASG-Orig-Subj: Re: [PATCH/RFC 00/19] Support loop-back NFS mounts In-Reply-To: <20140416104207.75b044e8@tlielax.poochiereds.net> References: <20140416033623.10604.69237.stgit@notabene.brown> <20140416104207.75b044e8@tlielax.poochiereds.net> X-Mailer: Claws Mail 3.9.2 (GTK+ 2.24.22; x86_64-suse-linux-gnu) Mime-Version: 1.0 Content-Type: multipart/signed; micalg=PGP-SHA1; boundary="Sig_/ZiKmG43mXH3JoeDwPbs7CZV"; protocol="application/pgp-signature" X-Barracuda-Connect: cantor2.suse.de[195.135.220.15] X-Barracuda-Start-Time: 1397694057 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4987 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- --Sig_/ZiKmG43mXH3JoeDwPbs7CZV Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable On Wed, 16 Apr 2014 10:42:07 -0400 Jeff Layton wrote: > On Wed, 16 Apr 2014 14:03:35 +1000 > NeilBrown wrote: >=20 > > Comments, criticisms, etc most welcome. > >=20 > > Thanks, > > NeilBrown > >=20 >=20 > I've only given this a once-over, but the basic concept seems a bit > flawed. IIUC, the basic idea is to disallow allocations done in knfsd > threads context from doing fs-based reclaim. >=20 > This seems very heavy-handed, and like it could cause problems on a > busy NFS server. Those sorts of servers are likely to have a lot of > data in pagecache and thus we generally want to allow them to do do > writeback when memory is tight. >=20 > It's generally acceptable for knfsd to recurse into local filesystem > code for writeback. What you want to avoid in this situation is reclaim > on NFS filesystems that happen to be from knfsd on the same box. >=20 > If you really want to fix this, what may make more sense is trying to > plumb that information down more granularly. Maybe GFP_NONETFS and/or > PF_NETFSTRANS flags? Hi Jeff, a few clarifications first: 1/ These changes probably won't affect a "busy NFS server" at all. The PF_FSTRANS flag only get set in nfsd when it sees a request from the lo= cal host. Most busy NFS servers would never see that, and so would never s= et PF_FSTRANS. 2/ Setting PF_FSTRANS does not affect where writeback is done. Direct reclaim hasn't performed filesystem writeback since 3.2, it is all done by kswapd (I think direct reclaim still writes to swap sometimes). The main effects of setting PF_FSTRANS (as modified by this page set) are: - when reclaim calls ->releasepage __GFP_FS is not set in the gfp_t = arg - various caches like dcache, icache etc are not shrunk from direct reclaim There are other effects, but I'm less clear on exactly what they mean. A flag specific to network filesystems might make sense, but I don't think = it would solve all the deadlocks. A good example is the deadlock with the flush-* threads. flush-* will lock a page, and then call ->writepage. If ->writepage allocates memory it can enter reclaim, call ->releasepage on NFS, and block waiting for a COMMIT to complete. The COMMIT might already be running, performing fsync on that same file that flush-* is flushing. It locks each page in turn. When it gets to the page that flush-* has locked, it will deadlock. xfs_vm_writepage does allocate memory with __GFP_FS set xfs_vm_writepage -> xfs_setfilesize_trans_alloc -> xfs_trans_alloc -> _xfs_trans_allo and I have had this deadlock happen. To avoid this we need flush-* to ensu= re that no memory allocation blocks on NFS. We could set a PF_NETFSTRANS ther= e, but as that code really has nothing to do with networks it would seem an odd place to put a network-fs-specific flag. In general, if nfsd is allowed to block on local filesystem, and local filesystem is allowed to block on NFS, then a deadlock can happen. We would need a clear hierarchy __GFP_NETFS > __GFP_FS > __GFP_IO for it to work. I'm not sure the extra level really helps a lot and it wou= ld be a lot of churn. Thanks, NeilBrown --Sig_/ZiKmG43mXH3JoeDwPbs7CZV Content-Type: application/pgp-signature; name=signature.asc Content-Disposition: attachment; filename=signature.asc -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.22 (GNU/Linux) iQIVAwUBU08eYDnsnt1WYoG5AQI3mQ//b09b32kYZg134oqC28wk4GuKXD4068sE Vcj1k1jm+zz0nHfY1XbLA2PYmLGeNc1bUSGwtOwVwNvbI1xrae4Da2J6sfQ600nO 8ozsbNXA32Bwp9h4LySPfpvJFatGmW5Kad/88qFc0a9vxXFFjIlm2hmhCuIopTCt PnwHRuTudFWi+Uu2JeqvmNRzcCTt0udNsc7xXlEwk5IXlYj/Qj7WVat40NjQd84E We+y6vTsMkHd2G/yoGdBNTQQedOgrAwyiGudq3VHPUpXgbkpnrnU0tikA2dssL10 XlY37WlZeuqS7NKCAhLJbrJijHI8Js+cUbAhb/zNGW3llCFddYXBjWzWHT07/ISv A8+vuItTa0f/PsI8VkXbJ5P1QMmMtkgsbE+UOJ573v3v9Z2CKemZVrUBmCuOX/x7 iY8eSdU0SsBWTu6OO6TS4BvIu5yvX4PYdt3MvjF1LspLv6ggZ93LUr1+KV0TyUs2 ugbsf9Mq7vrnDdYR3z4Xb38xnAwz+5OmDgaDHTaA67VMYA2Y5K9IoVxMwTdEwGQ5 WOy/KviX2JBbOKLmwcQeZgiTaEpr4CRY6rDA6fIqORBysrGqkujiY1e2OkX8sd30 yo+WHWp7DIeWiJXEUTaRXewa8CgcUY3CXATuj+bsilLTVOhxT28rK5FwtAq6y00N Go80SPlCYvY= =Ornx -----END PGP SIGNATURE----- --Sig_/ZiKmG43mXH3JoeDwPbs7CZV-- From fdmanana@gmail.com Wed Apr 16 19:23:17 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=FREEMAIL_FROM,T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 4E2DC7F58 for ; Wed, 16 Apr 2014 19:23:17 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 2592D8F8049 for ; Wed, 16 Apr 2014 17:23:14 -0700 (PDT) X-ASG-Debug-ID: 1397694191-04cb6c2437c4200001-NocioJ Received: from mail-la0-f53.google.com (mail-la0-f53.google.com [209.85.215.53]) by cuda.sgi.com with ESMTP id 9VQstFwPEN3j7h9K (version=TLSv1 cipher=RC4-SHA bits=128 verify=NO) for ; Wed, 16 Apr 2014 17:23:12 -0700 (PDT) X-Barracuda-Envelope-From: fdmanana@gmail.com X-Barracuda-Apparent-Source-IP: 209.85.215.53 X-Barracuda-IPDD: Level1 [gmail.com/209.85.215.53] Received: by mail-la0-f53.google.com with SMTP id b8so8812935lan.12 for ; Wed, 16 Apr 2014 17:23:10 -0700 (PDT) X-Barracuda-IPDD: Level1 [gmail.com/209.85.215.53] X-Barracuda-IPDD: Level1 [gmail.com/209.85.215.53] DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:reply-to:in-reply-to:references:date:message-id :subject:from:to:cc:content-type; bh=EX96t/vbVJfXIFUjtpalVz0oNWRnh9sNaVs1snFnt0w=; b=L0f8Y6yO6W5+VqNJcGFbWQElLg3iQZNGPWMgmU8pgXPnmgTDUwrpTNBhLGbVEGFg/X L++8PKAw4gWPiJoxqdFisVF3mhdpYwLv+pnqm+yUwTGtfgMDgFcCyNzivYNNOyiNeAsG NRzrdzmuFTJwJI+k8HpgBAY1LlLdLc5Bn+jT8jZQ0JM474L4DVTcxKWVtrN8jX3ZYLc0 mgOs7FG9GXGSEsO00TtjbIylROJLRPUu9a6/V6g3GoskvaSBgDc4IFpFLpKHKqhBa6Gf 9yDnPnbWC+omGRVjcpEZh9Fsc5KDY/aeTuPdR9y03mXZnoyTu2MKm01HH1zQdS6dSFtV a8sg== MIME-Version: 1.0 X-Received: by 10.152.42.230 with SMTP id r6mr7294076lal.32.1397694190563; Wed, 16 Apr 2014 17:23:10 -0700 (PDT) Received: by 10.112.164.231 with HTTP; Wed, 16 Apr 2014 17:23:10 -0700 (PDT) Reply-To: fdmanana@gmail.com In-Reply-To: <20140416231333.GQ15995@dastard> References: <1397580201-27475-1-git-send-email-fdmanana@gmail.com> <20140416002349.GV15995@dastard> <20140416231333.GQ15995@dastard> Date: Thu, 17 Apr 2014 01:23:10 +0100 Message-ID: Subject: Re: [PATCH] xfstests: btrfs, test send's ability to punch holes and prealloc extents From: Filipe David Manana X-ASG-Orig-Subj: Re: [PATCH] xfstests: btrfs, test send's ability to punch holes and prealloc extents To: Dave Chinner Cc: "xfs@oss.sgi.com" , "linux-btrfs@vger.kernel.org" , Josef Bacik Content-Type: text/plain; charset=UTF-8 X-Barracuda-Connect: mail-la0-f53.google.com[209.85.215.53] X-Barracuda-Start-Time: 1397694191 X-Barracuda-Encrypted: RC4-SHA X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=DKIM_SIGNED, DKIM_VERIFIED X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4987 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- -0.00 DKIM_VERIFIED Domain Keys Identified Mail: signature passes verification 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature On Thu, Apr 17, 2014 at 12:13 AM, Dave Chinner wrote: > On Wed, Apr 16, 2014 at 03:39:18PM +0100, Filipe David Manana wrote: >> On Wed, Apr 16, 2014 at 1:23 AM, Dave Chinner wrote: >> > On Tue, Apr 15, 2014 at 05:43:21PM +0100, Filipe David Borba Manana wrote: >> >> This test verifies that after an incremental btrfs send the replicated file has >> >> the same exact hole and data structure as in the origin filesystem. This didn't >> >> use to be the case before the send stream version 2 - holes were sent as write >> >> operations of 0 valued bytes instead of punching holes with the fallocate system >> >> call, and pre-allocated extents were sent as well as write operations of 0 valued >> >> bytes instead of intructions for the receiver to use the fallocate system call. >> >> Also checks that prealloc extents that lie beyond the file's size are replicated >> >> by an incremental send. >> > >> > Can you wrap commit messages at 68 columns? >> > >> > .... >> >> +md5sum $SCRATCH_MNT/mysnap2/foo | _filter_scratch >> >> +# List all hole and data segments. >> >> +$XFS_IO_PROG -r -c "seek -r -a 0" $SCRATCH_MNT/mysnap2/foo >> >> +# List all extents, we're interested here in prealloc extents that lie beyond >> >> +# the file's size. >> >> +$XFS_IO_PROG -r -c "fiemap -l" $SCRATCH_MNT/mysnap2/foo | _filter_scratch >> > >> > That dumps raw block numbers into the golden output. _filter_fiemap >> > is probably needed here. >> >> Hum, just tried it and uploaded a v2. >> However I'm now noticing it doesn't do everything I had in mind. >> _filter_fiemap is not showing the extents falloc -k created, only a >> collapsed range of holes. >> >> So my intention is to verify not just holes, but also the extents >> created by 'falloc -k'. The following filter I just made locally gives >> me that: >> >> _filter_all_fiemap() >> { >> awk --posix ' >> $3 ~ /hole/ { >> print $1, $2, $3; >> next; >> } >> $3 ~ /[[:xdigit:]]*..[[:xdigit:]]/ { >> print $1, $2, "extent"; >> next; >> }' >> } > > Which is effectively _filter_hole_fiemap(), except it coalesces > adjacent extents into a single range. > > I'd suggest moving the _filter_* functions from common/punch to > common/filter, and using _filter_hole_fiemap() as there's no > guarantee that you'll get individual extents for each falloc -k > range - they coul dbe allocated contiguously, and hence the number > of extents reported can change from run to run. That's the reason > why the filters coalesce adjacent file offsets of the same type - we > care whether the range of the file contains the correct extent type, > not how fragmented the range is.... Right. Thanks for pointing it out Dave. > >> (nicely printed/indented at >> https://friendpaste.com/1JtG5bts2Sz0LWhUutCpzE, as e-mail is not good >> for code pasting) > > Pasting code works fine for me ;) > >> Which gives me: >> >> 0: [0..191]: extent >> 1: [192..199]: extent >> 2: [200..231]: extent >> 3: [232..239]: extent >> 4: [240..287]: extent >> 5: [288..295]: extent >> 6: [296..487]: extent >> 7: [488..495]: extent >> 8: [496..519]: hole >> 9: [520..527]: extent >> 10: [528..583]: extent >> 11: [584..591]: extent >> 12: [592..2543]: extent >> 13: [2544..17575]: hole >> 14: [17576..21487]: extent > > Also, you're trimming of the block count, so you can drop the "-l" > option to the fiemap command.... > >> Versus only (from _filter_fiemap): >> >> 0: [496..17575]: hole > > Maybe the "-l" option is confusing the filter, it should be giving: > > 0: [0..495]: data > 1: [496..519]: hole > 2: [520..2543]: data > 3: [2544..17575]: hole > 4: [17576..21487]: data > > Though if there are unwritten extents, it will say "unwritten" > rather than "data". _filter_hole_fiemap should give: > > 0: [0..495]: extent > 1: [496..519]: hole > 2: [520..2543]: extent > 3: [2544..17575]: hole > 4: [17576..21487]: extent > > Which tells you that everything you asked for was allocated... Ok, figured out my mistake. _filter_fiemap works just fine, it gives me all the information I wanted (as in your last example) as long as I pass the -v option (and not -l, or no options at all). Thank you very much Dave :) > > Cheers, > > Dave. > -- > Dave Chinner > david@fromorbit.com -- Filipe David Manana, "Reasonable men adapt themselves to the world. Unreasonable men adapt the world to themselves. That's why all progress depends on unreasonable men." From fdmanana@gmail.com Wed Apr 16 19:23:49 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=FREEMAIL_FROM,T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 1107D7F58 for ; Wed, 16 Apr 2014 19:23:49 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id DBCF48F8037 for ; Wed, 16 Apr 2014 17:23:48 -0700 (PDT) X-ASG-Debug-ID: 1397694226-04cb6c2436c4290001-NocioJ Received: from mail-we0-f172.google.com (mail-we0-f172.google.com [74.125.82.172]) by cuda.sgi.com with ESMTP id 5jsCPV3eFQpYrqEt (version=TLSv1 cipher=RC4-SHA bits=128 verify=NO) for ; Wed, 16 Apr 2014 17:23:47 -0700 (PDT) X-Barracuda-Envelope-From: fdmanana@gmail.com X-Barracuda-Apparent-Source-IP: 74.125.82.172 Received: by mail-we0-f172.google.com with SMTP id t61so11644034wes.3 for ; Wed, 16 Apr 2014 17:23:46 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=A+nUn/9RpgNPnV3C9JQ2sCWSlxYUPQPIRLZM0vvMZv8=; b=DGQawprwVltT3OQhURWI59fxxXtCapqhbVpYQ7ylH/WYIjSltoJhEsra7e/F/wf/HM ualZ09fcy9ntQWHHgEdEON2mzP2ILsMG0JfPJGkVPL79uiXJOlIZ9kKLbHtRCurtV9iZ /OATmCSyV5Uh2o/jLMF7VSHpoqOKdcAFKUnVjdNL3WWUC1d0N9Iv7n32j6XBxH573WAp mpiYbEVVU2AZzCkfhz4pHDC8xwmi/N5wLXiRUGFj69CT1ENXAhPh5zOZuQ3sjy51ONLC UdSABhw7LX8sooqoJ91Ku3lPkbb7ar9Dq/QbeKgcM5smIwuJQ2JoaTXrT/s1k0BPAALS Qc8w== X-Received: by 10.180.100.129 with SMTP id ey1mr21577086wib.60.1397694226408; Wed, 16 Apr 2014 17:23:46 -0700 (PDT) Received: from debian-vm3.lan (bl10-198-83.dsl.telepac.pt. [85.243.198.83]) by mx.google.com with ESMTPSA id d6sm1466709wiz.4.2014.04.16.17.23.45 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Wed, 16 Apr 2014 17:23:45 -0700 (PDT) From: Filipe David Borba Manana To: xfs@oss.sgi.com Cc: linux-btrfs@vger.kernel.org, jbacik@fb.com, Filipe David Borba Manana Subject: [PATCH v3] xfstests: btrfs, test send's ability to punch holes and prealloc extents Date: Thu, 17 Apr 2014 02:23:33 +0100 X-ASG-Orig-Subj: [PATCH v3] xfstests: btrfs, test send's ability to punch holes and prealloc extents Message-Id: <1397697813-23641-1-git-send-email-fdmanana@gmail.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1397580201-27475-1-git-send-email-fdmanana@gmail.com> References: <1397580201-27475-1-git-send-email-fdmanana@gmail.com> X-Barracuda-Connect: mail-we0-f172.google.com[74.125.82.172] X-Barracuda-Start-Time: 1397694227 X-Barracuda-Encrypted: RC4-SHA X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=DKIM_SIGNED, DKIM_VERIFIED X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4987 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- -0.00 DKIM_VERIFIED Domain Keys Identified Mail: signature passes verification 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature This test verifies that after an incremental btrfs send the replicated file has the same exact hole and data structure as in the origin filesystem. This didn't use to be the case before the send stream version 2 - holes were sent as write operations of 0 valued bytes instead of punching holes with the fallocate system call, and pre-allocated extents were sent as well as write operations of 0 valued bytes instead of intructions for the receiver to use the fallocate system call. It also checks that prealloc extents that lie beyond the file's size are replicated by an incremental send. Signed-off-by: Filipe David Borba Manana --- V2: Addressed Dave's comments, and updated btrfs send invocation, by specifying the new command line option (-a) that enables use of fallocate - added function _require_btrfs_send_fallocate_flag() to skip the test when an old version of btrfs-progs is found. V3: Corrected use of fiemap with _filter_fiemap. Was passing -l instead of -v to fiemap, which resulted in output consisting only of a single line related to a hole instead of all holes and data extents (and I wanted to verify the falloc -k extents were preserved after the btrfs send). common/rc | 9 ++++ tests/btrfs/047 | 121 ++++++++++++++++++++++++++++++++++++++++++++++++++++ tests/btrfs/047.out | 35 +++++++++++++++ tests/btrfs/group | 1 + 4 files changed, 166 insertions(+) create mode 100755 tests/btrfs/047 create mode 100644 tests/btrfs/047.out diff --git a/common/rc b/common/rc index acf419b..e94e51c 100644 --- a/common/rc +++ b/common/rc @@ -2262,6 +2262,15 @@ _run_btrfs_util_prog() run_check $BTRFS_UTIL_PROG $* } +_require_btrfs_send_fallocate_flag() +{ + $BTRFS_UTIL_PROG send 2>&1 | \ + grep '^[ \t]*\-a[ \t]\+.* fallocate ' > /dev/null 2>&1 + if [ $? -ne 0 ]; then + _notrun "Missing btrfs-progs send -a command line option, skipped this test" + fi +} + init_rc() { if [ "$iam" == new ] diff --git a/tests/btrfs/047 b/tests/btrfs/047 new file mode 100755 index 0000000..e39b019 --- /dev/null +++ b/tests/btrfs/047 @@ -0,0 +1,121 @@ +#! /bin/bash +# FS QA Test No. btrfs/047 +# +# Verify that after an incremental btrfs send the replicated file has +# the same exact hole and data structure as in the origin filesystem. +# This didn't use to be the case before the send stream version 2 - +# holes were sent as write operations of 0 valued bytes instead of punching +# holes with the fallocate system call, and pre-allocated extents were sent +# as well as write operations of 0 valued bytes instead of intructions for +# the receiver to use the fallocate system call. Also check that prealloc +# extents that lie beyond the file's size are replicated by an incremental +# send. +# +# More specifically, this structure preserving guarantee was added by the +# following linux kernel commits: +# +# Btrfs: send, use fallocate command to punch holes +# Btrfs: send, use fallocate command to allocate extents +# +#----------------------------------------------------------------------- +# Copyright (c) 2014 Filipe Manana. All Rights Reserved. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it would be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write the Free Software Foundation, +# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +#----------------------------------------------------------------------- +# + +seq=`basename $0` +seqres=$RESULT_DIR/$seq +echo "QA output created by $seq" + +tmp=/tmp/$$ +status=1 # failure is the default! +trap "_cleanup; exit \$status" 0 1 2 3 15 + +_cleanup() +{ + rm -fr $send_files_dir + rm -fr $tmp +} + +# get standard environment, filters and checks +. ./common/rc +. ./common/filter +. ./common/punch + +# real QA test starts here +_supported_fs btrfs +_supported_os Linux +_require_scratch +_require_fssum +_require_xfs_io_fiemap +_require_btrfs_send_fallocate_flag +_need_to_be_root + +send_files_dir=$TEST_DIR/btrfs-test-$seq + +rm -f $seqres.full +rm -fr $send_files_dir +mkdir $send_files_dir + +_scratch_mkfs >/dev/null 2>&1 +_scratch_mount + +$XFS_IO_PROG -f -c "pwrite -S 0x01 -b 300000 0 300000" $SCRATCH_MNT/foo \ + | _filter_xfs_io + +_run_btrfs_util_prog subvolume snapshot -r $SCRATCH_MNT $SCRATCH_MNT/mysnap1 + +$XFS_IO_PROG -c "fpunch 100000 50000" $SCRATCH_MNT/foo +$XFS_IO_PROG -c "falloc 100000 50000" $SCRATCH_MNT/foo +$XFS_IO_PROG -c "pwrite -S 0xff -b 1000 120000 1000" $SCRATCH_MNT/foo \ + | _filter_xfs_io +$XFS_IO_PROG -c "fpunch 250000 20000" $SCRATCH_MNT/foo + +$XFS_IO_PROG -c "falloc -k 300000 1000000" $SCRATCH_MNT/foo +$XFS_IO_PROG -c "falloc -k 9000000 2000000" $SCRATCH_MNT/foo + +_run_btrfs_util_prog subvolume snapshot -r $SCRATCH_MNT $SCRATCH_MNT/mysnap2 + +_run_btrfs_util_prog send -a $SCRATCH_MNT/mysnap1 -f $send_files_dir/1.snap +_run_btrfs_util_prog send -a -p $SCRATCH_MNT/mysnap1 $SCRATCH_MNT/mysnap2 \ + -f $send_files_dir/2.snap + +md5sum $SCRATCH_MNT/mysnap2/foo | _filter_scratch +# List all hole and data segments. +$XFS_IO_PROG -r -c "seek -r -a 0" $SCRATCH_MNT/mysnap2/foo +# List all extents, we're interested here in prealloc extents that lie beyond +# the file's size. +$XFS_IO_PROG -r -c "fiemap -v" $SCRATCH_MNT/mysnap2/foo | _filter_fiemap + +_scratch_unmount +_check_scratch_fs + +_scratch_mkfs >/dev/null 2>&1 +_scratch_mount + +_run_btrfs_util_prog receive $SCRATCH_MNT -f $send_files_dir/1.snap +_run_btrfs_util_prog receive $SCRATCH_MNT -f $send_files_dir/2.snap + +md5sum $SCRATCH_MNT/mysnap2/foo | _filter_scratch +# List all hole and data segments. +$XFS_IO_PROG -r -c "seek -r -a 0" $SCRATCH_MNT/mysnap2/foo +# List all extents, we're interested here in prealloc extents that lie beyond +# the file's size. +$XFS_IO_PROG -r -c "fiemap -v" $SCRATCH_MNT/mysnap2/foo | _filter_fiemap + +_check_scratch_fs + +status=0 +exit diff --git a/tests/btrfs/047.out b/tests/btrfs/047.out new file mode 100644 index 0000000..be39edc --- /dev/null +++ b/tests/btrfs/047.out @@ -0,0 +1,35 @@ +QA output created by 047 +wrote 300000/300000 bytes at offset 0 +XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) +wrote 1000/1000 bytes at offset 120000 +XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) +5a88aa0da62c8999c16515050947a70a SCRATCH_MNT/mysnap2/foo +Whence Result +DATA 0 +HOLE 102400 +DATA 118784 +HOLE 122880 +DATA 147456 +HOLE 253952 +DATA 266240 +HOLE 300000 +0: [0..495]: data +1: [496..519]: hole +2: [520..2543]: data +3: [2544..17575]: hole +4: [17576..21487]: data +5a88aa0da62c8999c16515050947a70a SCRATCH_MNT/mysnap2/foo +Whence Result +DATA 0 +HOLE 102400 +DATA 118784 +HOLE 122880 +DATA 147456 +HOLE 253952 +DATA 266240 +HOLE 300000 +0: [0..495]: data +1: [496..519]: hole +2: [520..2543]: data +3: [2544..17575]: hole +4: [17576..21487]: data diff --git a/tests/btrfs/group b/tests/btrfs/group index 3a6d34e..d4e3fc1 100644 --- a/tests/btrfs/group +++ b/tests/btrfs/group @@ -49,3 +49,4 @@ 044 auto quick 045 auto quick 046 auto quick +047 auto quick -- 1.9.1 From david@fromorbit.com Wed Apr 16 19:40:06 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id A3C627F56 for ; Wed, 16 Apr 2014 19:40:06 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id 5CFD630408C for ; Wed, 16 Apr 2014 17:40:06 -0700 (PDT) X-ASG-Debug-ID: 1397695200-04bdf04553cacd0001-NocioJ Received: from ipmail04.adl6.internode.on.net (ipmail04.adl6.internode.on.net [150.101.137.141]) by cuda.sgi.com with ESMTP id wFnE8lDIjvjC1m1z for ; Wed, 16 Apr 2014 17:40:00 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.141 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AmB+ADkiT1N5LEcvPGdsb2JhbABZgwaDVYUKoieTW4VggSAXAwEBAQE4NYIlAQEBBDIBIyMQCAMYCSUPBSUDBxoTh3vKJRcWiSeFJQeEOASYZYppiyQr Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail04.adl6.internode.on.net with ESMTP; 17 Apr 2014 10:09:59 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WaaMu-0001Lr-PV; Thu, 17 Apr 2014 10:39:56 +1000 Date: Thu, 17 Apr 2014 10:39:56 +1000 From: Dave Chinner To: Steven Rostedt Cc: Eric Sandeen , Christoph Hellwig , xfs-oss Subject: Re: [PATCH 2/2] xfs: Nuke XFS_ERROR macro Message-ID: <20140417003956.GS15995@dastard> X-ASG-Orig-Subj: Re: [PATCH 2/2] xfs: Nuke XFS_ERROR macro References: <534EC073.8090006@sandeen.net> <534EC282.7010905@sandeen.net> <20140416175117.GA23643@infradead.org> <534EC42D.1080704@sandeen.net> <534ED5E4.60903@sandeen.net> <20140416220807.GN15995@dastard> <20140416194444.50176f0f@gandalf.local.home> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20140416194444.50176f0f@gandalf.local.home> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail04.adl6.internode.on.net[150.101.137.141] X-Barracuda-Start-Time: 1397695200 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4987 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Wed, Apr 16, 2014 at 07:44:44PM -0400, Steven Rostedt wrote: > On Thu, 17 Apr 2014 08:08:08 +1000 > Dave Chinner wrote: > > > > > Here's the "best" I've come up with so far... > > > > > > # for FUNCTION in `grep "t xfs_" /proc/kallsyms | awk '{print $3}'`; do echo "r:ret_$FUNCTION $FUNCTION \$retval" >> /sys/kernel/debug/tracing/kprobe_events; done > > BTW, it's usually better to do: > > grep 't xfs_' /proc/kallsyms | awk '{print $3}' ; while read FUNCTION; do .... grep -i 't xfs' ..... > > > # for ENABLE in /sys/kernel/debug/tracing/events/kprobes/ret_xfs_*/enable; do echo 1 > $ENABLE; done > > > > > > run a test that fails: > > > > > > # dd if=/dev/zero of=newfile bs=513 oflag=direct > > > dd: writing `newfile': Invalid argument > > > > > > # for ENABLE in /sys/kernel/debug/tracing/events/kprobes/ret_xfs_*/enable; do echo 0 > $ENABLE; done > > > > > > # cat /sys/kernel/debug/tracing/trace > > > > > > <...>-63791 [000] d... 705435.568913: ret_xfs_vn_mknod: (xfs_vn_create+0x13/0x20 [xfs] <- xfs_vn_mknod) arg1=0 > > > <...>-63791 [000] d... 705435.568913: ret_xfs_vn_create: (vfs_create+0xdb/0x100 <- xfs_vn_create) arg1=0 > > > <...>-63791 [000] d... 705435.568918: ret_xfs_file_open: (do_dentry_open+0x24e/0x2e0 <- xfs_file_open) arg1=0 > > > <...>-63791 [000] d... 705435.568934: ret_xfs_file_dio_aio_write: (xfs_file_aio_write+0x147/0x150 [xfs] <- xfs_file_dio_aio_write) arg1=ffffffffffffffea > > > > > > Hey look, it's "-22" in hex! ;) > > > > > > so it's possible, but bleah. > > > > Steve, we want to be able to trap specific return codes from > > functions. Say, for example, the first function that returns > > EINVAL/-EINVAL in XFS under a given workload. > > > > What's the most efficient way to do that with ftrace? > > > > And can that be set up as a trigger so we can use it to dump a > > snapshot of the last N events into the trace buffer or do other > > interesting things with that event? > > Well, after you do the above, you could also do a while loop to all > those events and update the filter: > > echo 'arg1 > 0xffffffffffffff00' > /debug/tracing/events/kprobes/filter > > Which would trace only those functions that had an error code (assuming > the error code is less than 256). You could also use the trigger files: > > echo 'traceoff if arg1 > 0xffffffffffffff00' > /debug/tracing/events/kprobes/*/trigger > > The above wont actually work as is, you would need to do another while > loop of trigger files and set them each individually. so, basically a script that does: #!/bin/bash TRACEDIR=/sys/kernel/debug/tracing grep -i 't xfs_' /proc/kallsyms | awk '{print $3}' ; while read F; do echo "r:ret_$F $F \$retval" >> $TRACEDIR/kprobe_events done for E in $TRACEDIR/events/kprobes/ret_xfs_*/enable; do echo 1 > $E done; echo 'arg1 > 0xffffffffffffff00' > $TRACEDIR/events/kprobes/filter for T in $TRACEDIR/events/kprobes/ret_xfs_*/trigger; do echo 'traceoff if arg1 > 0xffffffffffffff00' > $T done And that gives: # dd if=/dev/zero of=/mnt/scratch/newfile bs=513 oflag=direct dd: error writing ¿/mnt/scratch/newfile¿: Invalid argument 1+0 records in 0+0 records out 0 bytes (0 B) copied, 0.000259882 s, 0.0 kB/s root@test4:~# cat /sys/kernel/debug/tracing/trace # tracer: nop # # entries-in-buffer/entries-written: 1/1 #P:16 # # _-----=> irqs-off # / _----=> need-resched # | / _---=> hardirq/softirq # || / _--=> preempt-depth # ||| / delay # TASK-PID CPU# |||| TIMESTAMP FUNCTION # | | | |||| | | <...>-8073 [006] d... 145740.460546: ret_xfs_file_dio_aio_write: (xfs_file_aio_write+0x170/0x180 <- xfs_file_dio_aio_write) arg1=0xffffffffffffffea Which is precisely the detection that XFS_ERROR would have given us. Ok, so I guess we can now add whatever need need to that trigger... Basically, pass in teh XFs function names you want to trace, the sets up teh events, whatever trigger beahviour you want, and we're off to the races... Cheers, Dave. -- Dave Chinner david@fromorbit.com From david@fromorbit.com Wed Apr 16 19:50:16 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id DC9327F53 for ; Wed, 16 Apr 2014 19:50:16 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id 95FE98F804B for ; Wed, 16 Apr 2014 17:50:16 -0700 (PDT) X-ASG-Debug-ID: 1397695813-04bdf04553cb5e0001-NocioJ Received: from ipmail04.adl6.internode.on.net (ipmail04.adl6.internode.on.net [150.101.137.141]) by cuda.sgi.com with ESMTP id I0HnW0BRfR88YdwZ for ; Wed, 16 Apr 2014 17:50:13 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.141 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AmB+AJIkT1N5LEcvPGdsb2JhbABZgwaDVYUKoiaTW4VggSAXAwEBAQE4NYIlAQEBBDIBIyMQCAMYCSUPBSUDBxoTh3vKIRcWjkwHhDgEmGWKaYskKw Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail04.adl6.internode.on.net with ESMTP; 17 Apr 2014 10:19:31 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WaaVv-0001N8-Ca; Thu, 17 Apr 2014 10:49:15 +1000 Date: Thu, 17 Apr 2014 10:49:15 +1000 From: Dave Chinner To: Steven Rostedt Cc: Christoph Hellwig , Eric Sandeen , xfs-oss Subject: Re: [PATCH 2/2] xfs: Nuke XFS_ERROR macro Message-ID: <20140417004915.GT15995@dastard> X-ASG-Orig-Subj: Re: [PATCH 2/2] xfs: Nuke XFS_ERROR macro References: <534EC073.8090006@sandeen.net> <534EC282.7010905@sandeen.net> <20140416175117.GA23643@infradead.org> <534EC42D.1080704@sandeen.net> <534ED5E4.60903@sandeen.net> <20140416220807.GN15995@dastard> <20140416194444.50176f0f@gandalf.local.home> <20140417003956.GS15995@dastard> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20140417003956.GS15995@dastard> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail04.adl6.internode.on.net[150.101.137.141] X-Barracuda-Start-Time: 1397695813 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4988 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Thu, Apr 17, 2014 at 10:39:56AM +1000, Dave Chinner wrote: > On Wed, Apr 16, 2014 at 07:44:44PM -0400, Steven Rostedt wrote: > > On Thu, 17 Apr 2014 08:08:08 +1000 > > Dave Chinner wrote: > > > Steve, we want to be able to trap specific return codes from > > > functions. Say, for example, the first function that returns > > > EINVAL/-EINVAL in XFS under a given workload. > > > > > > What's the most efficient way to do that with ftrace? > > > > > > And can that be set up as a trigger so we can use it to dump a > > > snapshot of the last N events into the trace buffer or do other > > > interesting things with that event? > > > > Well, after you do the above, you could also do a while loop to all > > those events and update the filter: > > > > echo 'arg1 > 0xffffffffffffff00' > /debug/tracing/events/kprobes/filter > > > > Which would trace only those functions that had an error code (assuming > > the error code is less than 256). You could also use the trigger files: > > > > echo 'traceoff if arg1 > 0xffffffffffffff00' > /debug/tracing/events/kprobes/*/trigger > > > > The above wont actually work as is, you would need to do another while > > loop of trigger files and set them each individually. > > so, basically a script that does: > > #!/bin/bash > > TRACEDIR=/sys/kernel/debug/tracing > > grep -i 't xfs_' /proc/kallsyms | awk '{print $3}' ; while read F; do > echo "r:ret_$F $F \$retval" >> $TRACEDIR/kprobe_events > done > > for E in $TRACEDIR/events/kprobes/ret_xfs_*/enable; do > echo 1 > $E > done; > > echo 'arg1 > 0xffffffffffffff00' > $TRACEDIR/events/kprobes/filter > > for T in $TRACEDIR/events/kprobes/ret_xfs_*/trigger; do > echo 'traceoff if arg1 > 0xffffffffffffff00' > $T > done > > And that gives: > > # dd if=/dev/zero of=/mnt/scratch/newfile bs=513 oflag=direct > dd: error writing ¿/mnt/scratch/newfile¿: Invalid argument > 1+0 records in > 0+0 records out > 0 bytes (0 B) copied, 0.000259882 s, 0.0 kB/s > root@test4:~# cat /sys/kernel/debug/tracing/trace > # tracer: nop > # > # entries-in-buffer/entries-written: 1/1 #P:16 > # > # _-----=> irqs-off > # / _----=> need-resched > # | / _---=> hardirq/softirq > # || / _--=> preempt-depth > # ||| / delay > # TASK-PID CPU# |||| TIMESTAMP FUNCTION > # | | | |||| | | > <...>-8073 [006] d... 145740.460546: ret_xfs_file_dio_aio_write: (xfs_file_aio_write+0x170/0x180 <- xfs_file_dio_aio_write) arg1=0xffffffffffffffea > > Which is precisely the detection that XFS_ERROR would have given us. > Ok, so I guess we can now add whatever need need to that trigger... > > Basically, pass in teh XFs function names you want to trace, the > sets up teh events, whatever trigger beahviour you want, and > we're off to the races... FWIW, this strikes me as something that would be useful for trace-cmd to be able to control, creating the kprobes dynamically based on the function name specification given on the command line similar to how we specify the events we want it to trace.. I'm sure there's more people that just us that want to know what function a specific error first comes from and how it propagates back up through the code.... Cheers, Dave. -- Dave Chinner david@fromorbit.com From neilb@suse.de Wed Apr 16 19:51:17 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 0E9157F53 for ; Wed, 16 Apr 2014 19:51:17 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id B7721304089 for ; Wed, 16 Apr 2014 17:51:16 -0700 (PDT) X-ASG-Debug-ID: 1397695873-04bdf04552cb6c0001-NocioJ Received: from mx2.suse.de (cantor2.suse.de [195.135.220.15]) by cuda.sgi.com with ESMTP id 6KUvAfAAHhUv2CUz (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Wed, 16 Apr 2014 17:51:14 -0700 (PDT) X-Barracuda-Envelope-From: neilb@suse.de X-Barracuda-Apparent-Source-IP: 195.135.220.15 Received: from relay2.suse.de (charybdis-ext.suse.de [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id 7D666ACDB; Thu, 17 Apr 2014 00:51:13 +0000 (UTC) Date: Thu, 17 Apr 2014 10:51:05 +1000 From: NeilBrown To: Dave Chinner Cc: linux-mm@kvack.org, linux-nfs@vger.kernel.org, linux-kernel@vger.kernel.org, xfs@oss.sgi.com Subject: Re: [PATCH 16/19] VFS: use GFP_NOFS rather than GFP_KERNEL in __d_alloc. Message-ID: <20140417105105.7772d09d@notabene.brown> X-ASG-Orig-Subj: Re: [PATCH 16/19] VFS: use GFP_NOFS rather than GFP_KERNEL in __d_alloc. In-Reply-To: <20140416090051.GK15995@dastard> References: <20140416033623.10604.69237.stgit@notabene.brown> <20140416040337.10604.61837.stgit@notabene.brown> <20140416062520.GG15995@dastard> <20140416164941.37587da6@notabene.brown> <20140416090051.GK15995@dastard> X-Mailer: Claws Mail 3.9.2 (GTK+ 2.24.22; x86_64-suse-linux-gnu) Mime-Version: 1.0 Content-Type: multipart/signed; micalg=PGP-SHA1; boundary="Sig_/IOui8nzd.ykBR2y_BhCeNCV"; protocol="application/pgp-signature" X-Barracuda-Connect: cantor2.suse.de[195.135.220.15] X-Barracuda-Start-Time: 1397695874 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4988 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- --Sig_/IOui8nzd.ykBR2y_BhCeNCV Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable On Wed, 16 Apr 2014 19:00:51 +1000 Dave Chinner wrote: > On Wed, Apr 16, 2014 at 04:49:41PM +1000, NeilBrown wrote: > > On Wed, 16 Apr 2014 16:25:20 +1000 Dave Chinner w= rote: > >=20 > > > On Wed, Apr 16, 2014 at 02:03:37PM +1000, NeilBrown wrote: > > > > __d_alloc can be called with i_mutex held, so it is safer to > > > > use GFP_NOFS. > > > >=20 > > > > lockdep reports this can deadlock when loop-back NFS is in use, > > > > as nfsd may be required to write out for reclaim, and nfsd certainly > > > > takes i_mutex. > > >=20 > > > But not the same i_mutex as is currently held. To me, this seems > > > like a false positive? If you are holding the i_mutex on an inode, > > > then you have a reference to the inode and hence memory reclaim > > > won't ever take the i_mutex on that inode. > > >=20 > > > FWIW, this sort of false positive was a long stabding problem for > > > XFS - we managed to get rid of most of the false positives like this > > > by ensuring that only the ilock is taken within memory reclaim and > > > memory reclaim can't be entered while we hold the ilock. > > >=20 > > > You can't do that with the i_mutex, though.... > > >=20 > > > Cheers, > > >=20 > > > Dave. > >=20 > > I'm not sure this is a false positive. > > You can call __d_alloc when creating a file and so are holding i_mutex = on the > > directory. > > nfsd might also want to access that directory. > >=20 > > If there was only 1 nfsd thread, it would need to get i_mutex and do it= 's > > thing before replying to that request and so before it could handle the > > COMMIT which __d_alloc is waiting for. >=20 > That seems wrong - the NFS client in __d_alloc holds a mutex on a > NFS client directory inode. The NFS server can't access that > specific mutex - it's on the other side of the "network". The NFS > server accesses mutexs from local filesystems, so __d_alloc would > have to be blocked on a local filesystem inode i_mutex for the nfsd > to get hung up behind it... I'm not thinking of mutexes on the NFS inodes but the local filesystem inod= es exactly as you describe below. >=20 > However, my confusion comes from the fact that we do GFP_KERNEL > memory allocation with the i_mutex held all over the place. Do we? Should we? Isn't the whole point of GFP_NOFS to use it when holding any filesystem lock? > If the > problem is: >=20 > local fs access -> i_mutex > ..... > nfsd -> i_mutex (blocked) > ..... > local fs access -> kmalloc(GFP_KERNEL) > -> direct reclaim > -> nfs_release_page > -> > >=20 > then why is it just __d_alloc that needs this fix? Either this is a > problem *everywhere* or it's not a problem at all. I think it is a problem everywhere that it is a problem :-) If you are holding an FS lock, then you should be using GFP_NOFS. Currently a given filesystem can get away with sometimes using GFP_KERNEL because that particular lock never causes contention during reclaim for that particular filesystem. Adding loop-back NFS into the mix broadens the number of locks which can cause a problem as it creates interdependencies between different filesyste= ms. >=20 > If it's a problem everywhere it means that we simply can't allow > reclaim from localhost NFS mounts to run from contexts that could > block an NFSD. i.e. you cannot run NFS client memory reclaim from > filesystems that are NFS server exported filesystems..... Well.. you cannot allow NFS client memory reclaim *while holding locks in* filesystems that are NFS exported. I think this is most effectively generalised to: you cannot allow FS memory reclaim while holding locks in filesystems whi= ch can be NFS exported which I think is largely the case already - and lockdep can help us find those places where we currently do allow FS reclaim while holding an FS loc= k. Thanks, NeilBrown --Sig_/IOui8nzd.ykBR2y_BhCeNCV Content-Type: application/pgp-signature; name=signature.asc Content-Disposition: attachment; filename=signature.asc -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.22 (GNU/Linux) iQIVAwUBU08leTnsnt1WYoG5AQJQzA/8Cvoi/4unSULSSR/yD8Bso7yrf/66DY4Y 5BknlIQnXLLRnQKRYFbTeMA/Vku/rPyQeWPbX22ealsi2+p7uStAhaqSnAJPPPj/ e+nfkJilCswjWqbuvcwU3oPHGxOA234vHiueT1uIvGyylFUuXvOtL1vPgtaFjlPs KUYjS36XSD17u/UfTEm8jcTyV1z/QdEbu+jhGGB8/wNGqA9mQDar7ykdcUI37iPf 4YJtGQuzU2NvX+JMVMZtbkRZBn4LPP983oo+2+JSFNDeIDeBlVxOfzErJ1QKLpNq CJYC86j+baIkf92M1mpOFEanXgIlvitHofxSCcJ29k0YQDhLZUF0DPrQhdKtSnoK kVcF5pnUwLbcu7jHkHT/8Uip1CijkpqSg920ZhYJAnMseLWM+er2gQIUXkXRzWJd 062RpdhKK5/m0MTbXZJ8crAycFQFLep1vG++jrbYQ0VAQ7TzCF4+iREBxmLiH1sd Oh3l4DdIcDqXchSocKyDAiFA+O8CHCKoBPTyA3YKCNBtmmyIouWjylLOeGMiD4AD yuCks0tlZdtfvZMaqV43yxEkNUsLybnxf3StilD0zJFkQZtWAq43efcIt2XOeiR/ R9BUs3QNOao2ockixg+9T1LV1l1G9RNvcSkrF+j6x0/9uINhcfffqrusqBK5V7FW 4Oc/mEI+igY= =2sPU -----END PGP SIGNATURE----- --Sig_/IOui8nzd.ykBR2y_BhCeNCV-- From neilb@suse.de Wed Apr 16 20:04:04 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id C8A507F56 for ; Wed, 16 Apr 2014 20:04:04 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 42FB5AC003 for ; Wed, 16 Apr 2014 18:04:01 -0700 (PDT) X-ASG-Debug-ID: 1397696639-04cb6c2436c66b0001-NocioJ Received: from mx2.suse.de (cantor2.suse.de [195.135.220.15]) by cuda.sgi.com with ESMTP id p2vAxBhmMCNWDlpR (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Wed, 16 Apr 2014 18:03:59 -0700 (PDT) X-Barracuda-Envelope-From: neilb@suse.de X-Barracuda-Apparent-Source-IP: 195.135.220.15 Received: from relay1.suse.de (charybdis-ext.suse.de [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id E633FACFB; Thu, 17 Apr 2014 01:03:58 +0000 (UTC) Date: Thu, 17 Apr 2014 11:03:50 +1000 From: NeilBrown To: NeilBrown Cc: Dave Chinner , linux-mm@kvack.org, linux-nfs@vger.kernel.org, linux-kernel@vger.kernel.org, Ming Lei , xfs@oss.sgi.com Subject: Re: [PATCH 04/19] Make effect of PF_FSTRANS to disable __GFP_FS universal. Message-ID: <20140417110350.0470feba@notabene.brown> X-ASG-Orig-Subj: Re: [PATCH 04/19] Make effect of PF_FSTRANS to disable __GFP_FS universal. In-Reply-To: <20140416161726.51b506e2@notabene.brown> References: <20140416033623.10604.69237.stgit@notabene.brown> <20140416040336.10604.58240.stgit@notabene.brown> <20140416053756.GC15995@dastard> <20140416161726.51b506e2@notabene.brown> X-Mailer: Claws Mail 3.9.2 (GTK+ 2.24.22; x86_64-suse-linux-gnu) Mime-Version: 1.0 Content-Type: multipart/signed; micalg=PGP-SHA1; boundary="Sig_/adF=M005=1pA2q4e/57yzVC"; protocol="application/pgp-signature" X-Barracuda-Connect: cantor2.suse.de[195.135.220.15] X-Barracuda-Start-Time: 1397696639 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.50 X-Barracuda-Spam-Status: No, SCORE=0.50 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_SA_TO_FROM_ADDR_MATCH X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4988 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.50 BSF_SC0_SA_TO_FROM_ADDR_MATCH Sender Address Matches Recipient Address --Sig_/adF=M005=1pA2q4e/57yzVC Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable On Wed, 16 Apr 2014 16:17:26 +1000 NeilBrown wrote: > On Wed, 16 Apr 2014 15:37:56 +1000 Dave Chinner wro= te: >=20 > > On Wed, Apr 16, 2014 at 02:03:36PM +1000, NeilBrown wrote: > > > - /* > > > - * Given that we do not allow direct reclaim to call us, we should > > > - * never be called while in a filesystem transaction. > > > - */ > > > - if (WARN_ON(current->flags & PF_FSTRANS)) > > > - goto redirty; > >=20 > > We still need to ensure this rule isn't broken. If it is, the > > filesystem will silently deadlock in delayed allocation rather than > > gracefully handle the problem with a warning.... >=20 > Hmm... that might be tricky. The 'new' PF_FSTRANS can definitely be set = when > xfs_vm_writepage is called and we really want the write to happen. > I don't suppose there is any other way to detect if a transaction is > happening? I've been thinking about this some more.... That code is in xfs_vm_writepage which is only called as ->writepage. xfs never calls that directly so it could only possibly be called during reclaim? We know that doesn't happen, but if it does then PF_MEMALLOC would be set, but PF_KSWAPD would not... and you already have a test for that. How about every time we set PF_FSTRANS, we store the corresponding xfs_trans_t in current->journal_info, and clear that field when PF_FSTRANS = is cleared. Then xfs_vm_writepage can test for current->journal_info being clear. That is the field that several other filesystems use to keep track of the 'current' transaction. ?? I don't know what xfs_trans_t we would use in xfs_bmapi_allocate_worker, but I suspect you do :-) Thanks, NeilBrown --Sig_/adF=M005=1pA2q4e/57yzVC Content-Type: application/pgp-signature; name=signature.asc Content-Disposition: attachment; filename=signature.asc -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.22 (GNU/Linux) iQIVAwUBU08odjnsnt1WYoG5AQKlChAAtwOt5vnmgGZoKPVxl0nE3BD+JkYt5gYE xPlrWpCzoazarfKoC66zfad9ldRYo6FjPlvoiKgO+hdQedc3C47rWrmuahe1S4Wl 0Ernd5J8XmInWsL1pobaEQf8b9XnzZ0Bs4GfEnE0WuABblVF1T6hN8eBVqVev+gK uwT0QOmFxsoxaTvlS4Y9sKEJ98+k9zfg4rvYptEUCUkDwz6IoqqbtCzmsA6WhCUu p9ZzFa9CCPIvA8zoWFS6mOHgC8YWubWPfpbWg7TT4PnAtq597NhyV1k2LbS7aErR r7X3jr9hqpV+nz25Nqe4oNo+VCcDI5PypNr8uUdXpAWdRrexeRXCLyye21TFtKnS WY7VLyLFGyZD3G2t1rT23MN0BepEOErZNanTUoMJgxsbbQGoKKbnaJeWiQLzSH6F pgfRYuUAgYCnlrYKLxKVOSfjtfQVzBc9BzHRyWD1SdAmnbxxdCq2n9wyMCwx7yf8 pYqru1nk67lPV8gvNgkpes0G3Ooxf6E0cu74DeUPsTrC16gK1iE/qs2LTmuAmT7f M1//LfAwyxLXaZ64ZQNObcG5J3gsqALtT3eiBUsAK2D8D80m5pR1LmSHgXy8qVs5 I1FN9OvpV6toEw5iAX9bwagB2zzTiJvTS2qHHMeJ2AqQriN5jMrpeud4QasyBxCr KjIpmijtXwI= =OIdO -----END PGP SIGNATURE----- --Sig_/adF=M005=1pA2q4e/57yzVC-- From david@fromorbit.com Wed Apr 16 20:27:45 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 61A437F3F for ; Wed, 16 Apr 2014 20:27:45 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id E3FBEAC001 for ; Wed, 16 Apr 2014 18:27:44 -0700 (PDT) X-ASG-Debug-ID: 1397698062-04bdf04552cd550001-NocioJ Received: from ipmail04.adl6.internode.on.net (ipmail04.adl6.internode.on.net [150.101.137.141]) by cuda.sgi.com with ESMTP id r1Bm1MFHDn4eVqaD for ; Wed, 16 Apr 2014 18:27:42 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.141 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AmV+AMksT1N5LEcvPGdsb2JhbABRCIMGg1WFCqIok1uFYIEhFwMBAQEBODWCJQEBAQMBJxMcIwULCAMYCSUPBSUDBxoTG4dZB8ogFxaNdlYHhDgBA5hllg0r Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail04.adl6.internode.on.net with ESMTP; 17 Apr 2014 10:57:41 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1Wab75-0001Re-Vx; Thu, 17 Apr 2014 11:27:40 +1000 Date: Thu, 17 Apr 2014 11:27:39 +1000 From: Dave Chinner To: NeilBrown Cc: Jeff Layton , linux-nfs@vger.kernel.org, Peter Zijlstra , netdev@vger.kernel.org, Ming Lei , linux-kernel@vger.kernel.org, xfs@oss.sgi.com, linux-mm@kvack.org, Ingo Molnar Subject: Re: [PATCH/RFC 00/19] Support loop-back NFS mounts Message-ID: <20140417012739.GU15995@dastard> X-ASG-Orig-Subj: Re: [PATCH/RFC 00/19] Support loop-back NFS mounts References: <20140416033623.10604.69237.stgit@notabene.brown> <20140416104207.75b044e8@tlielax.poochiereds.net> <20140417102048.2fc8275c@notabene.brown> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140417102048.2fc8275c@notabene.brown> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail04.adl6.internode.on.net[150.101.137.141] X-Barracuda-Start-Time: 1397698062 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4989 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Thu, Apr 17, 2014 at 10:20:48AM +1000, NeilBrown wrote: > A good example is the deadlock with the flush-* threads. > flush-* will lock a page, and then call ->writepage. If ->writepage > allocates memory it can enter reclaim, call ->releasepage on NFS, and block > waiting for a COMMIT to complete. > The COMMIT might already be running, performing fsync on that same file that > flush-* is flushing. It locks each page in turn. When it gets to the page > that flush-* has locked, it will deadlock. It's nfs_release_page() again.... > In general, if nfsd is allowed to block on local filesystem, and local > filesystem is allowed to block on NFS, then a deadlock can happen. > We would need a clear hierarchy > > __GFP_NETFS > __GFP_FS > __GFP_IO > > for it to work. I'm not sure the extra level really helps a lot and it would > be a lot of churn. I think you are looking at this the wrong way - it's not the other filesystems that have to avoid memory reclaim recursion, it's the NFS client mount that is on loopback that needs to avoid recursion. IMO, the fix should be that the NFS client cannot block on messages sent to the NFSD on the same host during memory reclaim. That is, nfs_release_page() cannot send commit messages to the server if the server is on localhost. Instead, it just tells memory reclaim that it can't reclaim that page. If nfs_release_page() no longer blocks in memory reclaim, and all these nfsd-gets-blocked-in-GFP_KERNEL-memory-allocation recursion problems go away. Do the same for all the other memory reclaim operations in the NFS client, and you've got a solution that should work without needing to walk all over the rest of the kernel.... Cheers, Dave. -- Dave Chinner david@fromorbit.com From sandeen@sandeen.net Wed Apr 16 20:43:26 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 58B0C7F3F for ; Wed, 16 Apr 2014 20:43:26 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id D474BAC001 for ; Wed, 16 Apr 2014 18:43:25 -0700 (PDT) X-ASG-Debug-ID: 1397699001-04cb6c2438c86f0001-NocioJ Received: from sandeen.net (sandeen.net [63.231.237.45]) by cuda.sgi.com with ESMTP id JrD4gGbxTOe3eiCB for ; Wed, 16 Apr 2014 18:43:21 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@sandeen.net X-Barracuda-Apparent-Source-IP: 63.231.237.45 Received: from liberator.sandeen.net (liberator.sandeen.net [10.0.0.4]) (using TLSv1 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (No client certificate requested) by sandeen.net (Postfix) with ESMTPSA id 1377463C5FD4; Wed, 16 Apr 2014 20:43:21 -0500 (CDT) Message-ID: <534F31BD.7010402@sandeen.net> Date: Wed, 16 Apr 2014 20:43:25 -0500 From: Eric Sandeen User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:24.0) Gecko/20100101 Thunderbird/24.4.0 MIME-Version: 1.0 To: Dave Chinner , Eric Sandeen CC: xfs-oss Subject: Re: [PATCH] xfstests: log running test to dmesg References: <534EF81D.20205@redhat.com> <20140416234027.GR15995@dastard> X-ASG-Orig-Subj: Re: [PATCH] xfstests: log running test to dmesg In-Reply-To: <20140416234027.GR15995@dastard> X-Enigmail-Version: 1.6 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Barracuda-Connect: sandeen.net[63.231.237.45] X-Barracuda-Start-Time: 1397699001 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4989 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On 4/16/14, 6:40 PM, Dave Chinner wrote: > On Wed, Apr 16, 2014 at 04:37:33PM -0500, Eric Sandeen wrote: >> We already log the running test to system logs via "logger" >> but viro pointed out that we can use /dev/kmsg to insert it >> into dmesg as well. When looking at the serial console that >> could be pretty useful. >> >> Thanks to viro for the test -w suggestion too. >> >> Signed-off-by: Eric Sandeen >> --- >> >> diff --git a/check b/check >> index 268417c..09b2320 100755 >> --- a/check >> +++ b/check >> @@ -457,6 +457,7 @@ do >> $timestamp && echo -n " ["`date "+%T"`"]" >> [ ! -x $seq ] && chmod u+x $seq # ensure we can run it >> $LOGGER_PROG "run xfstest $seqnum" >> + test -w /dev/kmsg && echo "run xfstest $seqnum" > /dev/kmsg >> ./$seq >$tmp.rawout 2>&1 >> sts=$? >> $timestamp && _timestamp > > Might it be worthwhile adding a "_log" function that can take an > arbitrary string so in future it is easy to add new log messages? *shrug* I guess... nobody logs anything but here, today... -Eric > Cheers, > > Dave. > From neilb@suse.de Wed Apr 16 20:50:33 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 96F3C7F55 for ; Wed, 16 Apr 2014 20:50:33 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 67EFC30408F for ; Wed, 16 Apr 2014 18:50:33 -0700 (PDT) X-ASG-Debug-ID: 1397699428-04cb6c2436c8e50001-NocioJ Received: from mx2.suse.de (cantor2.suse.de [195.135.220.15]) by cuda.sgi.com with ESMTP id FiBkBKUQddEmxqhH (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Wed, 16 Apr 2014 18:50:29 -0700 (PDT) X-Barracuda-Envelope-From: neilb@suse.de X-Barracuda-Apparent-Source-IP: 195.135.220.15 Received: from relay2.suse.de (charybdis-ext.suse.de [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id A0181ACFB; Thu, 17 Apr 2014 01:50:28 +0000 (UTC) Date: Thu, 17 Apr 2014 11:50:18 +1000 From: NeilBrown To: Dave Chinner Cc: Jeff Layton , linux-nfs@vger.kernel.org, Peter Zijlstra , netdev@vger.kernel.org, Ming Lei , linux-kernel@vger.kernel.org, xfs@oss.sgi.com, linux-mm@kvack.org, Ingo Molnar Subject: Re: [PATCH/RFC 00/19] Support loop-back NFS mounts Message-ID: <20140417115018.460345d0@notabene.brown> X-ASG-Orig-Subj: Re: [PATCH/RFC 00/19] Support loop-back NFS mounts In-Reply-To: <20140417012739.GU15995@dastard> References: <20140416033623.10604.69237.stgit@notabene.brown> <20140416104207.75b044e8@tlielax.poochiereds.net> <20140417102048.2fc8275c@notabene.brown> <20140417012739.GU15995@dastard> X-Mailer: Claws Mail 3.9.2 (GTK+ 2.24.22; x86_64-suse-linux-gnu) Mime-Version: 1.0 Content-Type: multipart/signed; micalg=PGP-SHA1; boundary="Sig_/aR.nJzAOWD3tAtDyjyGs6Ar"; protocol="application/pgp-signature" X-Barracuda-Connect: cantor2.suse.de[195.135.220.15] X-Barracuda-Start-Time: 1397699429 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4989 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- --Sig_/aR.nJzAOWD3tAtDyjyGs6Ar Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable On Thu, 17 Apr 2014 11:27:39 +1000 Dave Chinner wrote: > On Thu, Apr 17, 2014 at 10:20:48AM +1000, NeilBrown wrote: > > A good example is the deadlock with the flush-* threads. > > flush-* will lock a page, and then call ->writepage. If ->writepage > > allocates memory it can enter reclaim, call ->releasepage on NFS, and b= lock > > waiting for a COMMIT to complete. > > The COMMIT might already be running, performing fsync on that same file= that > > flush-* is flushing. It locks each page in turn. When it gets to the= page > > that flush-* has locked, it will deadlock. >=20 > It's nfs_release_page() again.... >=20 > > In general, if nfsd is allowed to block on local filesystem, and local > > filesystem is allowed to block on NFS, then a deadlock can happen. > > We would need a clear hierarchy > >=20 > > __GFP_NETFS > __GFP_FS > __GFP_IO > >=20 > > for it to work. I'm not sure the extra level really helps a lot and it= would > > be a lot of churn. >=20 > I think you are looking at this the wrong way - it's not the other > filesystems that have to avoid memory reclaim recursion, it's the > NFS client mount that is on loopback that needs to avoid recursion. >=20 > IMO, the fix should be that the NFS client cannot block on messages sent = to the NFSD > on the same host during memory reclaim. That is, nfs_release_page() > cannot send commit messages to the server if the server is on > localhost. Instead, it just tells memory reclaim that it can't > reclaim that page. >=20 > If nfs_release_page() no longer blocks in memory reclaim, and all > these nfsd-gets-blocked-in-GFP_KERNEL-memory-allocation recursion > problems go away. Do the same for all the other memory reclaim > operations in the NFS client, and you've got a solution that should > work without needing to walk all over the rest of the kernel.... Maybe. It is nfs_release_page() today. I wonder if it could be other things another day. I want to be sure I have a solution that really makes sense. However ... the thing that nfs_release_page is doing it sending a COMMIT to tell the server to flush to stable storage. It does that so that if the server crashes, then the client can re-send. Of course when it is a loop-back mount the client is the server so the COMM= IT is completely pointless. If the client notices that it is sending a COMMIT to itself, it can simply assume a positive reply. You are right, that would make the patch set a lot less intrusive. I'll gi= ve it some serious thought - thanks. NeilBrown --Sig_/aR.nJzAOWD3tAtDyjyGs6Ar Content-Type: application/pgp-signature; name=signature.asc Content-Disposition: attachment; filename=signature.asc -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.22 (GNU/Linux) iQIVAwUBU08zWjnsnt1WYoG5AQKfQw//WIl8Mf1G0vzy816TBvi7fx3VCp6SUV7s jQeCJSD0IPRzCFmxH1ZJFzy3jIK8J3dbT8cSGjxXYegOq+kyyVjbHXOG2msC1riY ytOGUQnOS8MHscbcAOR7r61t/1t7FZiSJ51Th7pykepQmbm9QNEna+U0wzna3poK NNRDrs1J0eySpLTydegKoyg4w6KP6MLXqlYQm1FigvkreDEZ9mvBW7NrGycwDQF8 NZgq8+dGCL3MAq+uZ7WMqAoCZwZUrusVZBc3zvXYWepSMFSW1FOmQP971QZ9DgI2 KzarhdGOSFTbVHLhZafYV0X2k/hATVoIJpXh3Kl2ak0qdnuuUPJ/s64zxvQ3N4wo 3zBU0/TvcEVs6toQfcT/Zi91rCIvVvl8BOssIosbwknfLyi/JEYtnDJ+MxWBlg1G xlaEF1pDaQYEix5Ocg1qyU7oroFv98+pZ4BZeDI7Y/A6gasVvR3NKBOFcadozYuo FBTuYO6ZTSVPZ1+ASqykb5hh3GGKO5oM4x7xX0dQRSADk4qo4FLfv6ONKK2OfjQo r6FBlpw9OU6su26F4XzDkFLPb3xUDgfY7gMG6vIZYmCS7JGOvTg2rpk6inZxzATb 40mX+gFDXs5oE9XGaqz2Fl7Lw/BNluPNDEpkmWJX42+7cdClnc2XPSJyvpFx7nLH lfrN+yaHFBM= =c/XS -----END PGP SIGNATURE----- --Sig_/aR.nJzAOWD3tAtDyjyGs6Ar-- From neilb@suse.de Wed Apr 16 21:38:52 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 6CDD87F53 for ; Wed, 16 Apr 2014 21:38:52 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id 40EA08F8039 for ; Wed, 16 Apr 2014 19:38:49 -0700 (PDT) X-ASG-Debug-ID: 1397702326-04bdf04552d1040001-NocioJ Received: from mx2.suse.de (cantor2.suse.de [195.135.220.15]) by cuda.sgi.com with ESMTP id zXvD964HAS6v2ywe (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Wed, 16 Apr 2014 19:38:47 -0700 (PDT) X-Barracuda-Envelope-From: neilb@suse.de X-Barracuda-Apparent-Source-IP: 195.135.220.15 Received: from relay2.suse.de (charybdis-ext.suse.de [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id 1632FACFB; Thu, 17 Apr 2014 02:38:45 +0000 (UTC) Date: Thu, 17 Apr 2014 12:38:37 +1000 From: NeilBrown To: David Miller Cc: eric.dumazet@gmail.com, linux-mm@kvack.org, linux-nfs@vger.kernel.org, linux-kernel@vger.kernel.org, xfs@oss.sgi.com, netdev@vger.kernel.org Subject: Re: [PATCH 10/19] NET: set PF_FSTRANS while holding sk_lock Message-ID: <20140417123837.5987e5e9@notabene.brown> X-ASG-Orig-Subj: Re: [PATCH 10/19] NET: set PF_FSTRANS while holding sk_lock In-Reply-To: <20140416.090002.2186526865564557549.davem@davemloft.net> References: <20140416033623.10604.69237.stgit@notabene.brown> <20140416040336.10604.96000.stgit@notabene.brown> <1397625226.4222.113.camel@edumazet-glaptop2.roam.corp.google.com> <20140416.090002.2186526865564557549.davem@davemloft.net> X-Mailer: Claws Mail 3.9.2 (GTK+ 2.24.22; x86_64-suse-linux-gnu) Mime-Version: 1.0 Content-Type: multipart/signed; micalg=PGP-SHA1; boundary="Sig_/SSVtvNA+Qn7U/.GV8.0daYz"; protocol="application/pgp-signature" X-Barracuda-Connect: cantor2.suse.de[195.135.220.15] X-Barracuda-Start-Time: 1397702327 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4990 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- --Sig_/SSVtvNA+Qn7U/.GV8.0daYz Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable On Wed, 16 Apr 2014 09:00:02 -0400 (EDT) David Miller wrote: > From: Eric Dumazet > Date: Tue, 15 Apr 2014 22:13:46 -0700 >=20 > > For applications handling millions of sockets, this makes a difference. >=20 > Indeed, this really is not acceptable. As you say... I've just discovered that I can get rid of the lockdep message (and hence presumably the deadlock risk) with a well placed: newsock->sk->sk_allocation =3D GFP_NOFS; which surprised me as it seemed to be an explicit GFP_KERNEL allocation that was mentioned in the lockdep trace. Obviously these traces require quite some sophistication to understand. So - thanks for the feedback, patch can be ignored. Thanks, NeilBrown --Sig_/SSVtvNA+Qn7U/.GV8.0daYz Content-Type: application/pgp-signature; name=signature.asc Content-Disposition: attachment; filename=signature.asc -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.22 (GNU/Linux) iQIVAwUBU08+rTnsnt1WYoG5AQLRZhAAw2OqHGStjcH4tCI4w3eDMVb87MK1AVtQ U3pUF/WbzPSl0yhxDaa3vIg6L2ogkASESK6Oiiu8PZbG3TunCNwq63XXTKvE6EIY nABc2yOb9u/cixXtIuMC9E8ydnZa/dEkIyFY9oMXBjuOwb3L/ugKFm0upzBUVokw VtyZs8rl9s9IwgvuErpFbDR3ZxEk0VaMdREFwGCpkUD6DjknMTpGdaUelPxe+DEd Ffy6B7fjrkdG/8B4vYZKlW2c5on1lLqc+hgY24LrLUpLxHwu4HCuIrAuhzILDex/ X5hZbQQhj2reLB8rsqJWOjmKn19/y8EbapUwa6BUMkSVHDCf0voCUjkHI8dOYcvM TnrmEzJS3Ym/x5rbenUCr2hEOEbZ80UEcMbdbrVm3rhPoMDtSifdtU2LEKro8oCk GPoOR3fYSLyxXNGQTlGiG3vSuSAIxF8tznBLnuCPIAPXK8LtXIn3oIOxNsN1J/LK TxZJsdA+I9YmV5uIn7cJarNYKdXvhR6x0YPoxUFzQZkngChosN3ZkGOHQeG2moyA JewuEtWT5Z1n1as19big3XukdBNnhJ/B11DpyI3TlfhIYN0mROFEAQkvXuOYYO+o CqkHfQp765IaTt0WOiVFu9bibhdxWwt1jwfasn1TE9LtvVlwlUlbPVL/8NrMXnOa Nkz7UZ1IxWU= =WfY/ -----END PGP SIGNATURE----- --Sig_/SSVtvNA+Qn7U/.GV8.0daYz-- From eguan@redhat.com Wed Apr 16 23:17:06 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 262077F56 for ; Wed, 16 Apr 2014 23:17:06 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id AEC62AC001 for ; Wed, 16 Apr 2014 21:17:02 -0700 (PDT) X-ASG-Debug-ID: 1397708221-04bdf04555d6ac0001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id yyaJGqOM98eczHBA for ; Wed, 16 Apr 2014 21:17:01 -0700 (PDT) X-Barracuda-Envelope-From: eguan@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx09.intmail.prod.int.phx2.redhat.com (int-mx09.intmail.prod.int.phx2.redhat.com [10.5.11.22]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3H4H0eH023843 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Thu, 17 Apr 2014 00:17:00 -0400 Received: from localhost (vpn1-114-88.nay.redhat.com [10.66.114.88]) by int-mx09.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s3H4Gwbl020855; Thu, 17 Apr 2014 00:16:59 -0400 From: Eryu Guan To: xfs@oss.sgi.com Cc: Eryu Guan Subject: [PATCH 1/3] common: set _fs_has_crcs=0 as default in _filter_mkfs() Date: Thu, 17 Apr 2014 12:16:52 +0800 X-ASG-Orig-Subj: [PATCH 1/3] common: set _fs_has_crcs=0 as default in _filter_mkfs() Message-Id: <1397708214-8197-1-git-send-email-eguan@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.22 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1397708221 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 xfsprogs without crc support won't print crc=0/crc=1, so _filter_mkfs() leaves _fs_has_crcs variable unset, and xfs/033 fails because of that. xfs/033 4s ... - output mismatch (see /root/xfstests/results//xfs/033.out.bad) --- tests/xfs/033.out 2014-04-16 22:31:49.818350450 -0400 +++ /root/xfstests/results//xfs/033.out.bad 2014-04-16 22:35:08.264401190 -0400 @@ -5,6 +5,7 @@ naming =VERN bsize=XXX log =LDEV bsize=XXX blocks=XXX realtime =RDEV extsz=XXX blocks=XXX, rtextents=XXX +./tests/xfs/033: line 87: [: -eq: unary operator expected Corrupting root inode - setting bits to 0 Wrote X.XXKb (value 0x0) Phase 1 - find and verify superblock... Print _fs_has_crcs=0 to stderr by default, so old xfsprogs could have this variable set too, and a latter _fs_has_crcs=1 could overwrite it if the fs does have crc support. Signed-off-by: Eryu Guan --- common/filter | 1 + 1 file changed, 1 insertion(+) diff --git a/common/filter b/common/filter index a7d2aa9..05dbae6 100644 --- a/common/filter +++ b/common/filter @@ -143,6 +143,7 @@ _filter_mkfs() return ;; esac + echo "_fs_has_crcs=0" >&2 set - perl -ne ' if (/^meta-data=([\w,|\/.-]+)\s+isize=(\d+)\s+agcount=(\d+), agsize=(\d+) blks/) { -- 1.9.0 From eguan@redhat.com Wed Apr 16 23:18:36 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 00B557F56 for ; Wed, 16 Apr 2014 23:18:36 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id BE0C98F8049 for ; Wed, 16 Apr 2014 21:18:32 -0700 (PDT) X-ASG-Debug-ID: 1397708311-04bdf04553d6bc0001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id sLMUtVQrps4JG5TF for ; Wed, 16 Apr 2014 21:18:31 -0700 (PDT) X-Barracuda-Envelope-From: eguan@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx14.intmail.prod.int.phx2.redhat.com (int-mx14.intmail.prod.int.phx2.redhat.com [10.5.11.27]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3H4IVgt018342 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Thu, 17 Apr 2014 00:18:31 -0400 Received: from localhost (vpn1-114-88.nay.redhat.com [10.66.114.88]) by int-mx14.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s3H4IUJj025187; Thu, 17 Apr 2014 00:18:31 -0400 From: Eryu Guan To: xfs@oss.sgi.com Cc: Eryu Guan Subject: [PATCH 2/3] generic/009: fix _require_xfs_io_command Date: Thu, 17 Apr 2014 12:16:53 +0800 X-ASG-Orig-Subj: [PATCH 2/3] generic/009: fix _require_xfs_io_command Message-Id: <1397708214-8197-2-git-send-email-eguan@redhat.com> In-Reply-To: <1397708214-8197-1-git-send-email-eguan@redhat.com> References: <1397708214-8197-1-git-send-email-eguan@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.27 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1397708311 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 _require_xfs_io_falloc "fzero" should be a typo, it requires falloc command. Use the correct _require_xfs_io_command "fzero". fiemap is also needed, add that too. Signed-off-by: Eryu Guan --- tests/generic/009 | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/tests/generic/009 b/tests/generic/009 index b7b0b3f..1e487b4 100644 --- a/tests/generic/009 +++ b/tests/generic/009 @@ -44,7 +44,8 @@ trap "_cleanup ; exit \$status" 0 1 2 3 15 # real QA test starts here _supported_os Linux -_require_xfs_io_falloc "fzero" +_require_xfs_io_fiemap +_require_xfs_io_command "fzero" testfile=$TEST_DIR/009.$$ -- 1.9.0 From eguan@redhat.com Wed Apr 16 23:18:36 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id D26407F60 for ; Wed, 16 Apr 2014 23:18:36 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 5828FAC001 for ; Wed, 16 Apr 2014 21:18:36 -0700 (PDT) X-ASG-Debug-ID: 1397708315-04cb6c2438d14b0001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id DpN25XdM9g341qNx for ; Wed, 16 Apr 2014 21:18:35 -0700 (PDT) X-Barracuda-Envelope-From: eguan@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx02.intmail.prod.int.phx2.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3H4IYTJ015831 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Thu, 17 Apr 2014 00:18:35 -0400 Received: from localhost (vpn1-114-88.nay.redhat.com [10.66.114.88]) by int-mx02.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id s3H4IWQu007242; Thu, 17 Apr 2014 00:18:33 -0400 From: Eryu Guan To: xfs@oss.sgi.com Cc: Eryu Guan Subject: [PATCH 3/3] generic/009: get the correct dev name when testing ext4 Date: Thu, 17 Apr 2014 12:16:54 +0800 X-ASG-Orig-Subj: [PATCH 3/3] generic/009: get the correct dev name when testing ext4 Message-Id: <1397708214-8197-3-git-send-email-eguan@redhat.com> In-Reply-To: <1397708214-8197-1-git-send-email-eguan@redhat.com> References: <1397708214-8197-1-git-send-email-eguan@redhat.com> X-Scanned-By: MIMEDefang 2.67 on 10.5.11.12 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1397708315 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 If TEST_DEV is a symlink(usually a lvm), we get the wrong DEV name. Follow link and get the correct dev name. Signed-off-by: Eryu Guan --- tests/generic/009 | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tests/generic/009 b/tests/generic/009 index 1e487b4..7675c69 100644 --- a/tests/generic/009 +++ b/tests/generic/009 @@ -51,7 +51,7 @@ testfile=$TEST_DIR/009.$$ # Disable extent zeroing for ext4 as that change where holes are created if [ "$FSTYP" = "ext4" ]; then - DEV=`basename $TEST_DEV` + DEV=`basename $(readlink -f $TEST_DEV)` echo 0 >/sys/fs/ext4/$DEV/extent_max_zeroout_kb fi -- 1.9.0 From david@fromorbit.com Wed Apr 16 23:23:22 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 6AEAD7F69 for ; Wed, 16 Apr 2014 23:23:22 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id D287DAC001 for ; Wed, 16 Apr 2014 21:23:21 -0700 (PDT) X-ASG-Debug-ID: 1397708597-04cbb06e9dd2520001-NocioJ Received: from ipmail04.adl6.internode.on.net (ipmail04.adl6.internode.on.net [150.101.137.141]) by cuda.sgi.com with ESMTP id CABDPiEGazS8DcFp for ; Wed, 16 Apr 2014 21:23:18 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.141 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AmV+ADpWT1N5LEcvPGdsb2JhbABRCIMGg1WFCqIqk1uFYIEhFwMBAQEBODWCJQEBAQMBJxMcIwULCAMYCSUPBSUDBxoTG4dZB8o4FxaNdg1JB4Q4BJhllg0rgS0 Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail04.adl6.internode.on.net with ESMTP; 17 Apr 2014 13:53:17 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1Wadqz-0001no-Ps; Thu, 17 Apr 2014 14:23:13 +1000 Date: Thu, 17 Apr 2014 14:23:13 +1000 From: Dave Chinner To: NeilBrown Cc: Jeff Layton , linux-nfs@vger.kernel.org, Peter Zijlstra , netdev@vger.kernel.org, Ming Lei , linux-kernel@vger.kernel.org, xfs@oss.sgi.com, linux-mm@kvack.org, Ingo Molnar Subject: Re: [PATCH/RFC 00/19] Support loop-back NFS mounts Message-ID: <20140417042313.GV15995@dastard> X-ASG-Orig-Subj: Re: [PATCH/RFC 00/19] Support loop-back NFS mounts References: <20140416033623.10604.69237.stgit@notabene.brown> <20140416104207.75b044e8@tlielax.poochiereds.net> <20140417102048.2fc8275c@notabene.brown> <20140417012739.GU15995@dastard> <20140417115018.460345d0@notabene.brown> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140417115018.460345d0@notabene.brown> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail04.adl6.internode.on.net[150.101.137.141] X-Barracuda-Start-Time: 1397708598 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4993 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Thu, Apr 17, 2014 at 11:50:18AM +1000, NeilBrown wrote: > On Thu, 17 Apr 2014 11:27:39 +1000 Dave Chinner wrote: > > > On Thu, Apr 17, 2014 at 10:20:48AM +1000, NeilBrown wrote: > > > A good example is the deadlock with the flush-* threads. > > > flush-* will lock a page, and then call ->writepage. If ->writepage > > > allocates memory it can enter reclaim, call ->releasepage on NFS, and block > > > waiting for a COMMIT to complete. > > > The COMMIT might already be running, performing fsync on that same file that > > > flush-* is flushing. It locks each page in turn. When it gets to the page > > > that flush-* has locked, it will deadlock. > > > > It's nfs_release_page() again.... > > > > > In general, if nfsd is allowed to block on local filesystem, and local > > > filesystem is allowed to block on NFS, then a deadlock can happen. > > > We would need a clear hierarchy > > > > > > __GFP_NETFS > __GFP_FS > __GFP_IO > > > > > > for it to work. I'm not sure the extra level really helps a lot and it would > > > be a lot of churn. > > > > I think you are looking at this the wrong way - it's not the other > > filesystems that have to avoid memory reclaim recursion, it's the > > NFS client mount that is on loopback that needs to avoid recursion. > > > > IMO, the fix should be that the NFS client cannot block on messages sent to the NFSD > > on the same host during memory reclaim. That is, nfs_release_page() > > cannot send commit messages to the server if the server is on > > localhost. Instead, it just tells memory reclaim that it can't > > reclaim that page. > > > > If nfs_release_page() no longer blocks in memory reclaim, and all > > these nfsd-gets-blocked-in-GFP_KERNEL-memory-allocation recursion > > problems go away. Do the same for all the other memory reclaim > > operations in the NFS client, and you've got a solution that should > > work without needing to walk all over the rest of the kernel.... > > Maybe. > It is nfs_release_page() today. I wonder if it could be other things another > day. I want to be sure I have a solution that really makes sense. There could be other things, but in the absence of those things, I don't think that adding another layer to memory reclaim dependencies for this niche corner case makes a lot of sense. ;) > However ... the thing that nfs_release_page is doing it sending a COMMIT to > tell the server to flush to stable storage. It does that so that if the > server crashes, then the client can re-send. > Of course when it is a loop-back mount the client is the server so the COMMIT > is completely pointless. If the client notices that it is sending a COMMIT > to itself, it can simply assume a positive reply. Yes, that's very true. You might have to treat ->writepage specially, too, if that can block, say, on the number of outstanding requests that can be sent to the server. > You are right, that would make the patch set a lot less intrusive. I'll give > it some serious thought - thanks. No worries. :) Cheers, Dave. -- Dave Chinner david@fromorbit.com From david@fromorbit.com Wed Apr 16 23:41:58 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id B7CA87F5D for ; Wed, 16 Apr 2014 23:41:58 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 327D6AC001 for ; Wed, 16 Apr 2014 21:41:57 -0700 (PDT) X-ASG-Debug-ID: 1397709714-04cbb06e9bd3500001-NocioJ Received: from ipmail04.adl6.internode.on.net (ipmail04.adl6.internode.on.net [150.101.137.141]) by cuda.sgi.com with ESMTP id prWQPpFldQYZROMq for ; Wed, 16 Apr 2014 21:41:55 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.141 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AmV+AOhaT1N5LEcvPGdsb2JhbABNDIMGg1WFCqIqk1uFYIEhFwMBAQEBODWCJQEBAQMBHQoTHCMFCwgDGAklDwUlAwcaE4d0B8o2FxaNZmYHhDgEmGWKaYskKw Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail04.adl6.internode.on.net with ESMTP; 17 Apr 2014 14:11:53 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1Wae92-0001pe-Tx; Thu, 17 Apr 2014 14:41:52 +1000 Date: Thu, 17 Apr 2014 14:41:52 +1000 From: Dave Chinner To: NeilBrown Cc: linux-mm@kvack.org, linux-nfs@vger.kernel.org, linux-kernel@vger.kernel.org, Ming Lei , xfs@oss.sgi.com Subject: Re: [PATCH 04/19] Make effect of PF_FSTRANS to disable __GFP_FS universal. Message-ID: <20140417044152.GW15995@dastard> X-ASG-Orig-Subj: Re: [PATCH 04/19] Make effect of PF_FSTRANS to disable __GFP_FS universal. References: <20140416033623.10604.69237.stgit@notabene.brown> <20140416040336.10604.58240.stgit@notabene.brown> <20140416053756.GC15995@dastard> <20140416161726.51b506e2@notabene.brown> <20140417110350.0470feba@notabene.brown> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140417110350.0470feba@notabene.brown> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail04.adl6.internode.on.net[150.101.137.141] X-Barracuda-Start-Time: 1397709714 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4993 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Thu, Apr 17, 2014 at 11:03:50AM +1000, NeilBrown wrote: > On Wed, 16 Apr 2014 16:17:26 +1000 NeilBrown wrote: > > > On Wed, 16 Apr 2014 15:37:56 +1000 Dave Chinner wrote: > > > > > On Wed, Apr 16, 2014 at 02:03:36PM +1000, NeilBrown wrote: > > > > > - /* > > > > - * Given that we do not allow direct reclaim to call us, we should > > > > - * never be called while in a filesystem transaction. > > > > - */ > > > > - if (WARN_ON(current->flags & PF_FSTRANS)) > > > > - goto redirty; > > > > > > We still need to ensure this rule isn't broken. If it is, the > > > filesystem will silently deadlock in delayed allocation rather than > > > gracefully handle the problem with a warning.... > > > > Hmm... that might be tricky. The 'new' PF_FSTRANS can definitely be set when > > xfs_vm_writepage is called and we really want the write to happen. > > I don't suppose there is any other way to detect if a transaction is > > happening? > > I've been thinking about this some more.... > > That code is in xfs_vm_writepage which is only called as ->writepage. > xfs never calls that directly so it could only possibly be called during > reclaim? __filemap_fdatawrite_range or __writeback_single_inode do_writepages ->writepages xfs_vm_writepages write_cache_pages ->writepage xfs_vm_writepage So explicit data flushes or background writeback still end up in xfs_vm_writepage. > We know that doesn't happen, but if it does then PF_MEMALLOC would be set, > but PF_KSWAPD would not... and you already have a test for that. > > How about every time we set PF_FSTRANS, we store the corresponding > xfs_trans_t in current->journal_info, and clear that field when PF_FSTRANS is > cleared. Then xfs_vm_writepage can test for current->journal_info being > clear. > That is the field that several other filesystems use to keep track of the > 'current' transaction. The difference is that we have an explicit transaction handle in XFS which defines the transaction context. i.e. we don't hide transactions in thread contexts - the transaction defines the atomic context of the modification being made..... > I don't know what xfs_trans_t we would use in > xfs_bmapi_allocate_worker, but I suspect you do :-) The same one we use now. But that's exactly my point. i.e. the transaction handle belongs to the operation being executed, not the thread that is currently executing it. We also hand transaction contexts to IO completion, do interesting things with log space reservations for operations that require multiple commits to complete and so pass state when handles are duplicated prior to commit, etc. We still need direct manipulation and control of the transaction structure, regardless of where it is stored. Cheers, Dave. -- Dave Chinner david@fromorbit.com From david@fromorbit.com Thu Apr 17 00:58:24 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id B49A97F5F for ; Thu, 17 Apr 2014 00:58:24 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id 87A0B8F804B for ; Wed, 16 Apr 2014 22:58:21 -0700 (PDT) X-ASG-Debug-ID: 1397714298-04bdf04555dc3b0001-NocioJ Received: from ipmail04.adl6.internode.on.net (ipmail04.adl6.internode.on.net [150.101.137.141]) by cuda.sgi.com with ESMTP id uuJespy3hJUZnfai for ; Wed, 16 Apr 2014 22:58:18 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.141 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AmN+AHtsT1N5LEcvPGdsb2JhbABPCoMGg1WFCqIrk1uFYIEfFwMBAQEBODWCJQEBAQMBJxMcIwULCAMYCSUPBSUDBxoTh3QHyi4XFo1wXAeEOASYZYppiyQr Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail04.adl6.internode.on.net with ESMTP; 17 Apr 2014 15:28:16 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WafKt-0001xz-6l; Thu, 17 Apr 2014 15:58:11 +1000 Date: Thu, 17 Apr 2014 15:58:11 +1000 From: Dave Chinner To: NeilBrown Cc: linux-mm@kvack.org, linux-nfs@vger.kernel.org, linux-kernel@vger.kernel.org, xfs@oss.sgi.com Subject: Re: [PATCH 16/19] VFS: use GFP_NOFS rather than GFP_KERNEL in __d_alloc. Message-ID: <20140417055811.GX15995@dastard> X-ASG-Orig-Subj: Re: [PATCH 16/19] VFS: use GFP_NOFS rather than GFP_KERNEL in __d_alloc. References: <20140416033623.10604.69237.stgit@notabene.brown> <20140416040337.10604.61837.stgit@notabene.brown> <20140416062520.GG15995@dastard> <20140416164941.37587da6@notabene.brown> <20140416090051.GK15995@dastard> <20140417105105.7772d09d@notabene.brown> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140417105105.7772d09d@notabene.brown> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail04.adl6.internode.on.net[150.101.137.141] X-Barracuda-Start-Time: 1397714298 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.4995 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Thu, Apr 17, 2014 at 10:51:05AM +1000, NeilBrown wrote: > On Wed, 16 Apr 2014 19:00:51 +1000 Dave Chinner wrote: > > > On Wed, Apr 16, 2014 at 04:49:41PM +1000, NeilBrown wrote: > > > On Wed, 16 Apr 2014 16:25:20 +1000 Dave Chinner wrote: > > > > > > > On Wed, Apr 16, 2014 at 02:03:37PM +1000, NeilBrown wrote: > > > > > __d_alloc can be called with i_mutex held, so it is safer to > > > > > use GFP_NOFS. > > > > > > > > > > lockdep reports this can deadlock when loop-back NFS is in use, > > > > > as nfsd may be required to write out for reclaim, and nfsd certainly > > > > > takes i_mutex. > > > > > > > > But not the same i_mutex as is currently held. To me, this seems > > > > like a false positive? If you are holding the i_mutex on an inode, > > > > then you have a reference to the inode and hence memory reclaim > > > > won't ever take the i_mutex on that inode. > > > > > > > > FWIW, this sort of false positive was a long stabding problem for > > > > XFS - we managed to get rid of most of the false positives like this > > > > by ensuring that only the ilock is taken within memory reclaim and > > > > memory reclaim can't be entered while we hold the ilock. > > > > > > > > You can't do that with the i_mutex, though.... > > > > > > > > Cheers, > > > > > > > > Dave. > > > > > > I'm not sure this is a false positive. > > > You can call __d_alloc when creating a file and so are holding i_mutex on the > > > directory. > > > nfsd might also want to access that directory. > > > > > > If there was only 1 nfsd thread, it would need to get i_mutex and do it's > > > thing before replying to that request and so before it could handle the > > > COMMIT which __d_alloc is waiting for. > > > > That seems wrong - the NFS client in __d_alloc holds a mutex on a > > NFS client directory inode. The NFS server can't access that > > specific mutex - it's on the other side of the "network". The NFS > > server accesses mutexs from local filesystems, so __d_alloc would > > have to be blocked on a local filesystem inode i_mutex for the nfsd > > to get hung up behind it... > > I'm not thinking of mutexes on the NFS inodes but the local filesystem inodes > exactly as you describe below. > > > > > However, my confusion comes from the fact that we do GFP_KERNEL > > memory allocation with the i_mutex held all over the place. > > Do we? Yes. A simple example: fs/xattr.c. Setting or removing an xattr is done under the i_mutex, yet have a look and the simple_xattr_* implementation that in memory/psuedo filesystems can use. They use GFP_KERNEL for all their allocations.... > Should we? No, I don't think so, because it means that under heavy filesystem memory pressure workloads, direct reclaim can effectively shut off and only kswapd can free memory. > Isn't the whole point of GFP_NOFS to use it when holding > any filesystem lock? Not the way I understand it - we've always used it in XFS to prevent known deadlocks due to recursion, not as a big hammer that we hit everything with. Every filesystem has different recursion deadlock triggers, so use GFP_NOFS differently. using t as a big hammer doesn't play well with memory reclaim on filesystem memory pressure generating workloads... > > If the > > problem is: > > > > local fs access -> i_mutex > > ..... > > nfsd -> i_mutex (blocked) > > ..... > > local fs access -> kmalloc(GFP_KERNEL) > > -> direct reclaim > > -> nfs_release_page > > -> > > > > > > then why is it just __d_alloc that needs this fix? Either this is a > > problem *everywhere* or it's not a problem at all. > > I think it is a problem everywhere that it is a problem :-) > If you are holding an FS lock, then you should be using GFP_NOFS. Only if reclaim recursion can cause a deadlock. > Currently a given filesystem can get away with sometimes using GFP_KERNEL > because that particular lock never causes contention during reclaim for that > particular filesystem. Right, be cause we directly control what recursion can happen. What you are doing is changing the global reclaim recursion context. You're introducing recursion loops between filesystems *of different types*. IOWs, at no point is it safe for anyone to allow any recursion because we don't have the state available to determine if recursion is safe or not. > Adding loop-back NFS into the mix broadens the number of locks which can > cause a problem as it creates interdependencies between different filesystems. And that's a major architectural change to the memory reclaim heirarchy and that means we're going to be breaking assumptions all over the place, including in places we didn't know we had dependencies... > > If it's a problem everywhere it means that we simply can't allow > > reclaim from localhost NFS mounts to run from contexts that could > > block an NFSD. i.e. you cannot run NFS client memory reclaim from > > filesystems that are NFS server exported filesystems..... > > Well.. you cannot allow NFS client memory reclaim *while holding locks in* > filesystems that are NFS exported. > > I think this is most effectively generalised to: > you cannot allow FS memory reclaim while holding locks in filesystems which > can be NFS exported Yes, that's exactly what I said yesterday. > which I think is largely the case already It most definitely isn't. > - and lockdep can help us find > those places where we currently do allow FS reclaim while holding an FS lock. A pox on lockdep. Lockdep is not a crutch that we can to wave away problems a architectural change doesn't identify. We need to think about the architectural impact of the change - if we can't see all the assumptions we're breaking and the downstream impacts, then we nee dto think about the problem harder. We should not not wave away concerns by saying "lockdep will find the things we missed"... For example, if you make all filesystem allocations GFP_NOFS, then the only thing that will be able to do reclaim of inodes and dentries is kswapd, because the shrinkers don't run in GFP_NOFS context. Hence filesystem memory pressure (e.g. find) won't be able to directly reclaim the objects that it is generating, and that will significantly change the behaviour and performance of the system. IOWs, there are lots of nasty, subtle downstream affects of making a blanket "filesystems must use GFP_NOFS is they hold any lock" rule that I can see, so I really think thatwe shoul dbe looking to solve this problem in the NFS client and exhausting all possibilities there before we even consider changing something as fundamental as memory reclaim recursion heirarchies.... Cheers, Dave. -- Dave Chinner david@fromorbit.com From lczerner@redhat.com Thu Apr 17 05:36:03 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 6DADC7F53 for ; Thu, 17 Apr 2014 05:36:03 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id CD63AAC004 for ; Thu, 17 Apr 2014 03:35:59 -0700 (PDT) X-ASG-Debug-ID: 1397730958-04cbb06e9ceaf80001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id rtsrkLwjLjjg7735 for ; Thu, 17 Apr 2014 03:35:58 -0700 (PDT) X-Barracuda-Envelope-From: lczerner@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3HAZw9Z014053 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Thu, 17 Apr 2014 06:35:58 -0400 Received: from localhost.localdomain.com (dhcp-1-205.brq.redhat.com [10.34.1.205]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s3HAZu22015826; Thu, 17 Apr 2014 06:35:57 -0400 From: Lukas Czerner To: xfs@oss.sgi.com Cc: Lukas Czerner Subject: [PATCH] xfstests: Remove unused functions Date: Thu, 17 Apr 2014 12:35:53 +0200 X-ASG-Orig-Subj: [PATCH] xfstests: Remove unused functions Message-Id: <1397730953-11008-1-git-send-email-lczerner@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1397730958 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 Functions like _mount_opts(), _mkfs_opts() and _fsck_opts() are defined both in common/rc and common/config while used only in common/config. Remove those functions from common/rc and update _mount_opts() to match the superior version of the function. Signed-off-by: Lukas Czerner --- common/config | 4 +++ common/rc | 87 ----------------------------------------------------------- 2 files changed, 4 insertions(+), 87 deletions(-) diff --git a/common/config b/common/config index 49f34cf..0ff9d14 100644 --- a/common/config +++ b/common/config @@ -249,6 +249,10 @@ _mount_opts() # acls aren't turned on by default on gfs2 export MOUNT_OPTIONS="-o acl $GFS2_MOUNT_OPTIONS" ;; + ttmpfs) + # We need to specify the size at mount, use 512 MB by default + export MOUNT_OPTIONS="-o size=512M $TMPFS_MOUNT_OPTIONS" + ;; *) ;; esac diff --git a/common/rc b/common/rc index acf419b..c78b904 100644 --- a/common/rc +++ b/common/rc @@ -81,93 +81,6 @@ _ls_l() ls -l $* | sed "s/\(^[-rwxdlbcpsStT]*\)\. /\1 /" | grep -v 'lost+found' } -_mount_opts() -{ - # SELinux adds extra xattrs which can mess up our expected output. - # So, mount with a context, and they won't be created - # nfs_t is a "liberal" context so we can use it. - if [ -x /usr/sbin/selinuxenabled ] && /usr/sbin/selinuxenabled; then - SELINUX_MOUNT_OPTIONS="-o context=system_u:object_r:nfs_t:s0" - export SELINUX_MOUNT_OPTIONS - fi - - case $FSTYP in - xfs) - export MOUNT_OPTIONS=$XFS_MOUNT_OPTIONS - ;; - udf) - export MOUNT_OPTIONS=$UDF_MOUNT_OPTIONS - ;; - nfs) - export MOUNT_OPTIONS=$NFS_MOUNT_OPTIONS - ;; - ext2|ext3|ext4|ext4dev) - # acls & xattrs aren't turned on by default on ext$FOO - export MOUNT_OPTIONS="-o acl,user_xattr $EXT_MOUNT_OPTIONS" - ;; - reiserfs) - # acls & xattrs aren't turned on by default on reiserfs - export MOUNT_OPTIONS="-o acl,user_xattr $REISERFS_MOUNT_OPTIONS" - ;; - gfs2) - # acls aren't turned on by default on gfs2 - export MOUNT_OPTIONS="-o acl $GFS2_MOUNT_OPTIONS" - ;; - tmpfs) - # We need to specify the size at mount, use 512 MB by default - export MOUNT_OPTIONS="-o size=512M $TMPFS_MOUNT_OPTIONS" - ;; - *) - ;; - esac -} - -_mkfs_opts() -{ - case $FSTYP in - xfs) - export MKFS_OPTIONS=$XFS_MKFS_OPTIONS - ;; - udf) - [ ! -z "$udf_fsize" ] && \ - UDF_MKFS_OPTIONS="$UDF_MKFS_OPTIONS -s $udf_fsize" - export MKFS_OPTIONS=$UDF_MKFS_OPTIONS - ;; - nfs) - export MKFS_OPTIONS=$NFS_MKFS_OPTIONS - ;; - reiserfs) - export MKFS_OPTIONS="$REISERFS_MKFS_OPTIONS -q" - ;; - gfs2) - export MKFS_OPTIONS="$GFS2_MKFS_OPTIONS -O -p lock_nolock" - ;; - jfs) - export MKFS_OPTIONS="$JFS_MKFS_OPTIONS -q" - ;; - tmpfs) - export MKFS_OPTIONS="$TMPFS_MKFS_OPTIONS" - ;; - *) - ;; - esac -} - -_fsck_opts() -{ - case $FSTYP in - ext2|ext3|ext4|ext4dev) - export FSCK_OPTIONS="-nf" - ;; - reiserfs) - export FSCK_OPTIONS="--yes" - ;; - *) - export FSCK_OPTIONS="-n" - ;; - esac -} - # we need common/config if [ "$iam" != "check" ] then -- 1.8.3.1 From bfoster@redhat.com Thu Apr 17 08:07:49 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 3DF547F52 for ; Thu, 17 Apr 2014 08:07:49 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 1ADFE30408C for ; Thu, 17 Apr 2014 06:07:46 -0700 (PDT) X-ASG-Debug-ID: 1397740064-04cb6c2436f7120001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id fzPsxb01PcfCk4tP for ; Thu, 17 Apr 2014 06:07:45 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx02.intmail.prod.int.phx2.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3HD7h1n027173 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Thu, 17 Apr 2014 09:07:44 -0400 Received: from bfoster.bfoster ([10.18.41.237]) by int-mx02.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id s3HD7gjZ018801 for ; Thu, 17 Apr 2014 09:07:42 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id B021912573F; Thu, 17 Apr 2014 09:07:41 -0400 (EDT) Date: Thu, 17 Apr 2014 09:07:41 -0400 From: Brian Foster To: xfs@oss.sgi.com Subject: Re: [FAQ v2] XFS speculative preallocation Message-ID: <20140417130741.GB36589@bfoster.bfoster> X-ASG-Orig-Subj: Re: [FAQ v2] XFS speculative preallocation References: <20140407153906.GC48184@bfoster.bfoster> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140407153906.GC48184@bfoster.bfoster> User-Agent: Mutt/1.5.21 (2010-09-15) X-Scanned-By: MIMEDefang 2.67 on 10.5.11.12 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1397740064 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Mon, Apr 07, 2014 at 11:39:06AM -0400, Brian Foster wrote: > Hi all, > > This is v2 of the speculative preallocation FAQ bits. The initial > proposal was here: > > http://oss.sgi.com/archives/xfs/2014-03/msg00316.html > > This version includes some updates based on review from arekm and > dchinner. Most notably, the content has been broken down into a few more > questions. Unless there are further major changes required, I'll plan to > post something along these lines to the wiki when my account is > approved. Thanks for the feedback! > > Brian > > --- I've updated the wiki with this content plus the feedback in this thread. The new FAQs are here: http://xfs.org/index.php/XFS_FAQ#Q:_Why_do_files_on_XFS_use_more_data_blocks_than_expected.3F http://xfs.org/index.php/XFS_FAQ#Q:_What_is_speculative_preallocation.3F http://xfs.org/index.php/XFS_FAQ#Q:_How_can_I_speed_up_or_avoid_delayed_removal_of_speculative_preallocation.3F http://xfs.org/index.php/XFS_FAQ#Q:_Is_speculative_preallocation_permanent.3F http://xfs.org/index.php/XFS_FAQ#Q:_My_workload_has_known_characteristics_-_can_I_disable_speculative_preallocation_or_tune_it_to_an_optimal_fixed_size.3F Thanks for all of the reviews and feedback. If there are any further suggestions... well, it's wiki! Feel free to modify it. ;) Brian > > Q: Why do files on XFS use more data blocks than expected? > > A: > > The XFS speculative preallocation algorithm allocates extra blocks > beyond end of file (EOF) to minimise file fragmentation during buffered > write workloads. Workloads that benefit from this behaviour include > slowly growing files, concurrent writers and mixed reader/writer > workloads. It also provides fragmentation resistence in situations where > memory pressure prevents adequate buffering of dirty data to allow > formation of large contiguous regions of data in memory. > > This post-EOF block allocation is accounted identically to blocks within > EOF. It is visible in 'st_blocks' counts via stat() system calls, > accounted as globally allocated space and against quotas that apply to > the associated file. The space is reported by various userspace > utilities (stat, du, df, ls) and thus provides a common source of > confusion for administrators. Post-EOF blocks are temporary in most > situations and are usually reclaimed via several possible mechanisms in > XFS. > > See the FAQ entry on speculative preallocation for details. > > Q: What is speculative preallocation? > > A: > > XFS speculatively preallocates post-EOF blocks on file extending writes > in anticipation of future extending writes. The size of a preallocation > is dynamic and depends on the runtime state of the file and fs. > Generally speaking, preallocation is disabled for very small files and > preallocation sizes grow as files grow larger. > > Preallocations are capped to the maximum extent size supported by the > filesystem. Preallocation size is throttled automatically as the > filesystem approaches low free space conditions or other allocation > limits on a file (such as a quota). > > In most cases, speculative preallocation is automatically reclaimed when > a file is closed. Preallocation may also persist beyond the lifecycle of > the file descriptor. Certain application behaviors that are known to > cause fragmentation, such as file server workloads, slowly growing > files, etc., benefit from this and delay the removal of preallocated > blocks beyond fd close. > > Q: How can I speed up or avoid delayed removal of speculative > preallocation? > > A: > > Remove the inode from the VFS cache or unmount the filesystem to remove > speculative preallocations associated with an inode. > > Linux 3.8 (and later) includes a scanner to perform background trimming > of files with lingering post-EOF preallocations. The scanner bypasses > dirty files to avoid interference with ongoing writes. A 5 minute scan > interval is used by default and can be adjusted via the following file > (value in seconds): > > /proc/sys/fs/xfs/speculative_prealloc_lifetime > > Q: Is speculative preallocation permanent? > > A: > > Although speculative preallocation can lead to reports of excess space > usage, the preallocated space is not permanent unless explicitly made so > via fallocate or a similar interface. Preallocated space can also be > encoded permanently in situations where file size is extended beyond a > range of post-EOF blocks (i.e., via truncate). Otherwise, preallocated > blocks are reclaimed on file close, inode reclaim, unmount or in the > background once file write activity subsides. > > Q: My workload has known characteristics - can I tune speculative > preallocation to an optimal fixed size? > > A: > > The 'allocsize=' mount option configures the XFS block allocation > algorithm to use a fixed allocation size. Speculative preallocation is > not dynamically resized when the allocsize mount option is set and thus > the potential for fragmentation is increased. XFS historically set > allocsize to 64k by default. > > _______________________________________________ > xfs mailing list > xfs@oss.sgi.com > http://oss.sgi.com/mailman/listinfo/xfs From webmaster@getit20.livemailz.com Thu Apr 17 08:29:28 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: ** X-Spam-Status: No, score=2.1 required=5.0 tests=HTML_IMAGE_RATIO_04, HTML_MESSAGE,RCVD_NUMERIC_HELO,T_DKIM_INVALID autolearn=no version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 1D5857F51 for ; Thu, 17 Apr 2014 08:29:28 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id EFB958F8033 for ; Thu, 17 Apr 2014 06:29:24 -0700 (PDT) X-ASG-Debug-ID: 1397741346-04cbb06e9cf99b0001-NocioJ Received: from server.livemailz.com (server.livemailz.com [115.124.106.32]) by cuda.sgi.com with ESMTP id Tu1G0DRDvxwfti79 (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Thu, 17 Apr 2014 06:29:08 -0700 (PDT) X-Barracuda-Envelope-From: webmaster@getit20.livemailz.com X-Barracuda-Apparent-Source-IP: 115.124.106.32 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=getit20.livemailz.com; s=default; h=Content-Type:MIME-Version:List-Owner:List-Subscribe:List-Unsubscribe:List-Help:Message-ID:Reply-To:From:Date:Subject:To; bh=CdDDY07KnCMI+KNW6c29iWtai622BCA8EzgmoKgpYpo=; b=SRCa97oygVdPrAC0XxcAi7O6+5VH5nKQx5Ns4EjbCh1dU0V5FHguVmDNc8z6SAuIm/wR4b0a7eaB7hqQS1b+hek3LUmejokRwxo2NF7+QOrMeNodcR724mgzKLxZ2yDBwff01wren+fkmcdUnun3xTslUUozGyfIeSfPDWrg2L0=; Received: from getit20l by server.livemailz.com with local (Exim 4.82) (envelope-from ) id 1WamND-0006OV-33 for xfs@oss.sgi.com; Thu, 17 Apr 2014 18:59:03 +0530 To: xfs@oss.sgi.com Subject: Love? 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=0A=0A=0A--=0APowered by mailsMagic, www.mailsmagic.com --=0A=0A=0A --b1_b830e61c4a3fa4fb2ba621ba9e4fceff-- From david@fromorbit.com Thu Apr 17 19:16:01 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 660E47F52 for ; Thu, 17 Apr 2014 19:16:01 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 498018F8035 for ; Thu, 17 Apr 2014 17:15:58 -0700 (PDT) X-ASG-Debug-ID: 1397780155-04cbb06e9a130aa0001-NocioJ Received: from ipmail04.adl6.internode.on.net (ipmail04.adl6.internode.on.net [150.101.137.141]) by cuda.sgi.com with ESMTP id KOsdRiMLt1sGxdEM for ; Thu, 17 Apr 2014 17:15:56 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.141 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AmNyAM1tUFN5LEcvPGdsb2JhbABZgwY7gxmFCqI8BgSTdoVggSIXAwEBAQE4NYJmHCMYJDQFJQMHLYd7zDsWjgJKHYQiBIU4kzWWESuBLg Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail04.adl6.internode.on.net with ESMTP; 18 Apr 2014 09:45:55 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WawTA-0004YS-Jn; Fri, 18 Apr 2014 10:15:52 +1000 Date: Fri, 18 Apr 2014 10:15:52 +1000 From: Dave Chinner To: torvalds@linux-foundation.org Cc: akpm@linux-foundation.org, linux-kernel@vger.kernel.org, xfs@oss.sgi.com Subject: [GIT PULL] xfs: fixes for 3.15-rc2 Message-ID: <20140418001552.GZ15995@dastard> X-ASG-Orig-Subj: [GIT PULL] xfs: fixes for 3.15-rc2 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail04.adl6.internode.on.net[150.101.137.141] X-Barracuda-Start-Time: 1397780155 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5020 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header Hi Linus, Can you please pull the updates listed below? The fixes are for data corruption issues, memory corruption and regressions for changes merged in -rc1. More detail is in the tag below. FYI, there have been some recent problems with oss.sgi.com resetting connections on git pulls. Hopefully that has been resolved, but if you have problems pulling the changes please let me know. -Dave. The following changes since commit c9eaa447e77efe77b7fa4c953bd62de8297fd6c5: Linux 3.15-rc1 (2014-04-13 14:18:35 -0700) are available in the git repository at: git://oss.sgi.com/xfs/xfs.git tags/xfs-for-linus-3.15-rc2 for you to fetch changes up to 330033d697ed8d296fa52b5303db9d802ad901cc: xfs: fix tmpfile/selinux deadlock and initialize security (2014-04-17 08:15:30 +1000) ---------------------------------------------------------------- xfs: bug fixes for 3.15-rc2 Data corruption fixes: - fix a bunch of delayed allocation state mismatches - fix collapse/zero range bugs - fix a direct IO block mapping bug @ EOF Other fixes: - fix a use after free on metadata IO error - fix a use after free on IO error during unmount - fix an incorrect error sign on direct IO write errors - add missing O_TMPFILE inode security context initialisation ---------------------------------------------------------------- Brian Foster (1): xfs: fix tmpfile/selinux deadlock and initialize security Dave Chinner (8): xfs: kill buffers over failed write ranges properly xfs: write failure beyond EOF truncates too much data xfs: xfs_vm_write_end truncates too much on failure xfs: zeroing space needs to punch delalloc blocks xfs: don't map ranges that span EOF for direct IO xfs: collapse range is delalloc challenged xfs: unmount does not wait for shutdown during unmount xfs: wrong error sign conversion during failed DIO writes Eric Sandeen (1): xfs: fix buffer use after free on IO error fs/xfs/xfs_aops.c | 51 ++++++++++++++++++++++++++++++++++++++++------ fs/xfs/xfs_bmap.c | 17 ++++++++++------ fs/xfs/xfs_bmap_util.c | 13 +++++++++++- fs/xfs/xfs_buf.c | 16 +++++++++++---- fs/xfs/xfs_file.c | 2 +- fs/xfs/xfs_inode.c | 5 +++-- fs/xfs/xfs_inode.h | 2 +- fs/xfs/xfs_iops.c | 20 +++++++++++++++--- fs/xfs/xfs_log.c | 53 ++++++++++++++++++++++++++++++++++++++++-------- fs/xfs/xfs_trace.h | 1 + 10 files changed, 147 insertions(+), 33 deletions(-) -- Dave Chinner david@fromorbit.com From jeff.liu@oracle.com Thu Apr 17 19:58:13 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 126827F53 for ; Thu, 17 Apr 2014 19:58:13 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 93354AC003 for ; Thu, 17 Apr 2014 17:58:09 -0700 (PDT) X-ASG-Debug-ID: 1397782687-04cbb06e9c132cc0001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id NE3GSkkBdTmTptEA (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Thu, 17 Apr 2014 17:58:07 -0700 (PDT) X-Barracuda-Envelope-From: jeff.liu@oracle.com X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from ucsinet22.oracle.com (ucsinet22.oracle.com [156.151.31.94]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id s3I0w64e015529 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Fri, 18 Apr 2014 00:58:07 GMT Received: from aserz7022.oracle.com (aserz7022.oracle.com [141.146.126.231]) by ucsinet22.oracle.com (8.14.5+Sun/8.14.5) with ESMTP id s3I0w5UE024336 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Fri, 18 Apr 2014 00:58:06 GMT Received: from abhmp0002.oracle.com (abhmp0002.oracle.com [141.146.116.8]) by aserz7022.oracle.com (8.14.4+Sun/8.14.4) with ESMTP id s3I0w5Er015327 for ; Fri, 18 Apr 2014 00:58:05 GMT Received: from [192.168.1.101] (/218.58.144.70) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 17 Apr 2014 17:58:05 -0700 Message-ID: <53507899.9030804@oracle.com> Date: Fri, 18 Apr 2014 08:58:01 +0800 From: Jeff Liu User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.1.0 MIME-Version: 1.0 To: "xfs@oss.sgi.com" Subject: [PATCH v2 00/10] xfs_ioc_bulkstat code refactoring and consolidation Content-Type: text/plain; charset=ISO-8859-1 X-ASG-Orig-Subj: [PATCH v2 00/10] xfs_ioc_bulkstat code refactoring and consolidation Content-Transfer-Encoding: 7bit X-Source-IP: ucsinet22.oracle.com [156.151.31.94] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1397782687 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5023 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- Hi folk, This is the v2 patch set for xfs_ioc_bulkstat consolidation and code refactoring. v2->v1: - As per Brain's comment, don't call xfs_inobt_lookup() once again after the btree cursor initialization, and only increment through the records via xfs_btree_increment() at xfs_inumbers(), i.e, [patch 03/10]. - Don't call XFS_WANT_CORRUPTED_GOTO() against empty allocation group at xfs_perag_bulkstat() [ found by Mark ]. v1: http://oss.sgi.com/archives/xfs/2013-12/msg00901.html As usual, any comments are welcome! Thanks, -Jeff From jeff.liu@oracle.com Thu Apr 17 19:58:25 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id A6D557F53 for ; Thu, 17 Apr 2014 19:58:25 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 8B3578F8040 for ; Thu, 17 Apr 2014 17:58:25 -0700 (PDT) X-ASG-Debug-ID: 1397782704-04cbb06e9b132d10001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id 5pEwy2dKl0RYCkvv (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Thu, 17 Apr 2014 17:58:24 -0700 (PDT) X-Barracuda-Envelope-From: jeff.liu@oracle.com X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from acsinet22.oracle.com (acsinet22.oracle.com [141.146.126.238]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id s3I0wMKO010888 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Fri, 18 Apr 2014 00:58:23 GMT Received: from userz7022.oracle.com (userz7022.oracle.com [156.151.31.86]) by acsinet22.oracle.com (8.14.4+Sun/8.14.4) with ESMTP id s3I0wLD8015652 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Fri, 18 Apr 2014 00:58:22 GMT Received: from abhmp0010.oracle.com (abhmp0010.oracle.com [141.146.116.16]) by userz7022.oracle.com (8.14.5+Sun/8.14.4) with ESMTP id s3I0wLYQ024743 for ; Fri, 18 Apr 2014 00:58:21 GMT Received: from [192.168.1.101] (/218.58.144.70) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 17 Apr 2014 17:58:21 -0700 Message-ID: <535078A9.409@oracle.com> Date: Fri, 18 Apr 2014 08:58:17 +0800 From: Jeff Liu User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.1.0 MIME-Version: 1.0 To: "xfs@oss.sgi.com" Subject: [PATCH v2 01/10] xfs: remove redundant stat assignment in xfs_bulkstat_one_int Content-Type: text/plain; charset=ISO-8859-1 X-ASG-Orig-Subj: [PATCH v2 01/10] xfs: remove redundant stat assignment in xfs_bulkstat_one_int Content-Transfer-Encoding: 7bit X-Source-IP: acsinet22.oracle.com [141.146.126.238] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1397782704 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5023 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- From: Jie Liu Remove the redundant BULKSTAT_RV_NOTHING assignment in case of call xfs_iget() failed at xfs_bulkstat_one_int(). Signed-off-by: Jie Liu --- fs/xfs/xfs_itable.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) diff --git a/fs/xfs/xfs_itable.c b/fs/xfs/xfs_itable.c index f463382..b5bb7b6 100644 --- a/fs/xfs/xfs_itable.c +++ b/fs/xfs/xfs_itable.c @@ -76,10 +76,8 @@ xfs_bulkstat_one_int( error = xfs_iget(mp, NULL, ino, (XFS_IGET_DONTCACHE | XFS_IGET_UNTRUSTED), XFS_ILOCK_SHARED, &ip); - if (error) { - *stat = BULKSTAT_RV_NOTHING; + if (error) goto out_free; - } ASSERT(ip != NULL); ASSERT(ip->i_imap.im_blkno != 0); @@ -136,7 +134,6 @@ xfs_bulkstat_one_int( IRELE(ip); error = formatter(buffer, ubsize, ubused, buf); - if (!error) *stat = BULKSTAT_RV_DIDONE; -- 1.8.3.2 From jeff.liu@oracle.com Thu Apr 17 19:58:29 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 935D97F5F for ; Thu, 17 Apr 2014 19:58:29 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id 1DD30AC005 for ; Thu, 17 Apr 2014 17:58:29 -0700 (PDT) X-ASG-Debug-ID: 1397782706-04bdf04552137f00001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id Nuq5IlunfTDSCF4o (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Thu, 17 Apr 2014 17:58:27 -0700 (PDT) X-Barracuda-Envelope-From: jeff.liu@oracle.com X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from acsinet22.oracle.com (acsinet22.oracle.com [141.146.126.238]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id s3I0wPme015792 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Fri, 18 Apr 2014 00:58:26 GMT Received: from userz7021.oracle.com (userz7021.oracle.com [156.151.31.85]) by acsinet22.oracle.com (8.14.4+Sun/8.14.4) with ESMTP id s3I0wPrJ015738 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=FAIL) for ; Fri, 18 Apr 2014 00:58:25 GMT Received: from abhmp0008.oracle.com (abhmp0008.oracle.com [141.146.116.14]) by userz7021.oracle.com (8.14.4+Sun/8.14.4) with ESMTP id s3I0wOMx024635 for ; Fri, 18 Apr 2014 00:58:24 GMT Received: from [192.168.1.101] (/218.58.144.70) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 17 Apr 2014 17:58:24 -0700 Message-ID: <535078AD.5050209@oracle.com> Date: Fri, 18 Apr 2014 08:58:21 +0800 From: Jeff Liu User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.1.0 MIME-Version: 1.0 To: "xfs@oss.sgi.com" Subject: [PATCH v2 02/10] xfs: consolidate xfs_bulkstat_single Content-Type: text/plain; charset=ISO-8859-1 X-ASG-Orig-Subj: [PATCH v2 02/10] xfs: consolidate xfs_bulkstat_single Content-Transfer-Encoding: 7bit X-Source-IP: acsinet22.oracle.com [141.146.126.238] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1397782707 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5023 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- From: Jie Liu In xfs_bulkstat_single(), call xfs_bulkstat_one() and xfs_bulkstat() would return different error if either failed, we'd better return the proper error in this case. Moreover, the function argument done is useless in terms of xfs_ioc_bulkstat(), hence we can get rid of it. Signed-off-by: Jie Liu --- fs/xfs/xfs_ioctl.c | 3 +-- fs/xfs/xfs_itable.c | 60 ++++++++++++++++++++++++++--------------------------- fs/xfs/xfs_itable.h | 5 ++--- 3 files changed, 33 insertions(+), 35 deletions(-) diff --git a/fs/xfs/xfs_ioctl.c b/fs/xfs/xfs_ioctl.c index 0b18776..f9c4512 100644 --- a/fs/xfs/xfs_ioctl.c +++ b/fs/xfs/xfs_ioctl.c @@ -798,8 +798,7 @@ xfs_ioc_bulkstat( error = xfs_inumbers(mp, &inlast, &count, bulkreq.ubuffer, xfs_inumbers_fmt); else if (cmd == XFS_IOC_FSBULKSTAT_SINGLE) - error = xfs_bulkstat_single(mp, &inlast, - bulkreq.ubuffer, &done); + error = xfs_bulkstat_single(mp, &inlast, bulkreq.ubuffer); else /* XFS_IOC_FSBULKSTAT */ error = xfs_bulkstat(mp, &inlast, &count, xfs_bulkstat_one, sizeof(xfs_bstat_t), bulkreq.ubuffer, diff --git a/fs/xfs/xfs_itable.c b/fs/xfs/xfs_itable.c index b5bb7b6..f34e95a 100644 --- a/fs/xfs/xfs_itable.c +++ b/fs/xfs/xfs_itable.c @@ -509,51 +509,51 @@ xfs_bulkstat( } /* - * Return stat information in bulk (by-inode) for the filesystem. - * Special case for non-sequential one inode bulkstat. + * Return stat information in bulk (by-inode) for the filesystem. Special case + * for non-sequential one inode bulkstat. */ -int /* error status */ +int xfs_bulkstat_single( - xfs_mount_t *mp, /* mount point for filesystem */ + struct xfs_mount *mp, /* mount point for filesystem */ xfs_ino_t *lastinop, /* inode to return */ - char __user *buffer, /* buffer with inode stats */ - int *done) /* 1 if there are more stats to get */ + char __user *buffer) /* buffer with inode stats */ { - int count; /* count value for bulkstat call */ - int error; /* return value */ - xfs_ino_t ino; /* filesystem inode number */ + xfs_ino_t ino = *lastinop; int res; /* result from bs1 */ + int error; /* - * note that requesting valid inode numbers which are not allocated + * Note that requesting valid inode numbers which are not allocated * to inodes will most likely cause xfs_imap_to_bp to generate warning - * messages about bad magic numbers. This is ok. The fact that - * the inode isn't actually an inode is handled by the - * error check below. Done this way to make the usual case faster - * at the expense of the error case. + * messages about bad magic numbers. This is ok. The fact that the + * inode isn't actually an inode is handled by the error check below. + * Done this way to make the usual case faster at the expense of the + * error case. */ - - ino = *lastinop; - error = xfs_bulkstat_one(mp, ino, buffer, sizeof(xfs_bstat_t), + error = xfs_bulkstat_one(mp, ino, buffer, sizeof(struct xfs_bstat), NULL, &res); if (error) { + int count = 1; + int done, error2; + /* - * Special case way failed, do it the "long" way - * to see if that works. + * Special case way failed, do it the "long" way to see if + * that works. */ (*lastinop)--; - count = 1; - if (xfs_bulkstat(mp, lastinop, &count, xfs_bulkstat_one, - sizeof(xfs_bstat_t), buffer, done)) - return error; - if (count == 0 || (xfs_ino_t)*lastinop != ino) - return error == EFSCORRUPTED ? - XFS_ERROR(EINVAL) : error; - else - return 0; + error2 = xfs_bulkstat(mp, lastinop, &count, xfs_bulkstat_one, + sizeof(struct xfs_bstat), buffer, &done); + if (error2) + return error2; + + if (count == 0 || *lastinop != ino) { + if (error == EFSCORRUPTED) + error = XFS_ERROR(EINVAL); + } else + error = 0; } - *done = 0; - return 0; + + return error; } int diff --git a/fs/xfs/xfs_itable.h b/fs/xfs/xfs_itable.h index 97295d9..21dbbd7 100644 --- a/fs/xfs/xfs_itable.h +++ b/fs/xfs/xfs_itable.h @@ -52,10 +52,9 @@ xfs_bulkstat( int xfs_bulkstat_single( - xfs_mount_t *mp, + struct xfs_mount *mp, xfs_ino_t *lastinop, - char __user *buffer, - int *done); + char __user *buffer); typedef int (*bulkstat_one_fmt_pf)( /* used size in bytes or negative error */ void __user *ubuffer, /* buffer to write to */ -- 1.8.3.2 From jeff.liu@oracle.com Thu Apr 17 19:58:32 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 6583A7F66 for ; Thu, 17 Apr 2014 19:58:32 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 4C0998F8049 for ; Thu, 17 Apr 2014 17:58:32 -0700 (PDT) X-ASG-Debug-ID: 1397782710-04cb6c243712f550001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id 2u2DgDo1kkXc4eSH (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Thu, 17 Apr 2014 17:58:31 -0700 (PDT) X-Barracuda-Envelope-From: jeff.liu@oracle.com X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from acsinet21.oracle.com (acsinet21.oracle.com [141.146.126.237]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id s3I0wUjK015829 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Fri, 18 Apr 2014 00:58:30 GMT Received: from userz7022.oracle.com (userz7022.oracle.com [156.151.31.86]) by acsinet21.oracle.com (8.14.4+Sun/8.14.4) with ESMTP id s3I0wTSW020459 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Fri, 18 Apr 2014 00:58:30 GMT Received: from abhmp0011.oracle.com (abhmp0011.oracle.com [141.146.116.17]) by userz7022.oracle.com (8.14.5+Sun/8.14.4) with ESMTP id s3I0wT7j024913 for ; Fri, 18 Apr 2014 00:58:29 GMT Received: from [192.168.1.101] (/218.58.144.70) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 17 Apr 2014 17:58:28 -0700 Message-ID: <535078B2.8010601@oracle.com> Date: Fri, 18 Apr 2014 08:58:26 +0800 From: Jeff Liu User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.1.0 MIME-Version: 1.0 To: "xfs@oss.sgi.com" Subject: [PATCH v2 03/10] xfs: consolidate xfs_inumbers Content-Type: text/plain; charset=ISO-8859-1 X-ASG-Orig-Subj: [PATCH v2 03/10] xfs: consolidate xfs_inumbers Content-Transfer-Encoding: 7bit X-Source-IP: acsinet21.oracle.com [141.146.126.237] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1397782711 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5023 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- From: Jie Liu To fetch the file system number tables, we currently just ignore the errors and proceed to loop over the next AG or bump agino to the next chunk in case of btree operations failed, that is not properly because those errors might hint us potential file system problems. This patch rework xfs_inumbers() to handle the btree operation errors as well as the loop conditions. Also, add pre-checkups for the given inode, we can save alloc/free the format buffer once against an invalid inode number. Signed-off-by: Jie Liu --- fs/xfs/xfs_itable.c | 159 ++++++++++++++++++++++------------------------------ 1 file changed, 67 insertions(+), 92 deletions(-) diff --git a/fs/xfs/xfs_itable.c b/fs/xfs/xfs_itable.c index f34e95a..2025bd0 100644 --- a/fs/xfs/xfs_itable.c +++ b/fs/xfs/xfs_itable.c @@ -559,12 +559,12 @@ xfs_bulkstat_single( int xfs_inumbers_fmt( void __user *ubuffer, /* buffer to write to */ - const xfs_inogrp_t *buffer, /* buffer to read from */ + const struct xfs_inogrp *buffer, /* buffer to read from */ long count, /* # of elements to read */ long *written) /* # of bytes written */ { if (copy_to_user(ubuffer, buffer, count * sizeof(*buffer))) - return -EFAULT; + return XFS_ERROR(EFAULT); *written = count * sizeof(*buffer); return 0; } @@ -574,126 +574,101 @@ xfs_inumbers_fmt( */ int /* error status */ xfs_inumbers( - xfs_mount_t *mp, /* mount point for filesystem */ - xfs_ino_t *lastino, /* last inode returned */ - int *count, /* size of buffer/count returned */ - void __user *ubuffer,/* buffer with inode descriptions */ - inumbers_fmt_pf formatter) + struct xfs_mount *mp,/* mount point for filesystem */ + xfs_ino_t *lastino,/* last inode returned */ + int *count,/* size of buffer/count returned */ + void __user *ubuffer,/* buffer with inode desc */ + inumbers_fmt_pf formatter) { - xfs_buf_t *agbp; - xfs_agino_t agino; - xfs_agnumber_t agno; - int bcount; - xfs_inogrp_t *buffer; - int bufidx; - xfs_btree_cur_t *cur; - int error; - xfs_inobt_rec_incore_t r; - int i; - xfs_ino_t ino; - int left; - int tmp; - - ino = (xfs_ino_t)*lastino; - agno = XFS_INO_TO_AGNO(mp, ino); - agino = XFS_INO_TO_AGINO(mp, ino); - left = *count; + xfs_agnumber_t agno = XFS_INO_TO_AGNO(mp, *lastino); + xfs_agino_t agino = XFS_INO_TO_AGINO(mp, *lastino); + struct xfs_btree_cur *cur = NULL; + struct xfs_buf *agbp = NULL; + struct xfs_inogrp *buffer; + int left = *count; + int bcount; + int bufidx; + int error; + *count = 0; + if (agno >= mp->m_sb.sb_agcount || + *lastino != XFS_AGINO_TO_INO(mp, agno, agino)) + return 0; + bcount = MIN(left, (int)(PAGE_SIZE / sizeof(*buffer))); buffer = kmem_alloc(bcount * sizeof(*buffer), KM_SLEEP); - error = bufidx = 0; - cur = NULL; - agbp = NULL; - while (left > 0 && agno < mp->m_sb.sb_agcount) { - if (agbp == NULL) { + bufidx = error = 0; + do { + struct xfs_inobt_rec_incore r; + int stat; + + if (!agbp) { error = xfs_ialloc_read_agi(mp, NULL, agno, &agbp); - if (error) { - /* - * If we can't read the AGI of this ag, - * then just skip to the next one. - */ - ASSERT(cur == NULL); - agbp = NULL; - agno++; - agino = 0; - continue; - } + if (error) + break; cur = xfs_inobt_init_cursor(mp, NULL, agbp, agno); error = xfs_inobt_lookup(cur, agino, XFS_LOOKUP_GE, - &tmp); - if (error) { - xfs_btree_del_cursor(cur, XFS_BTREE_ERROR); - cur = NULL; - xfs_buf_relse(agbp); - agbp = NULL; - /* - * Move up the last inode in the current - * chunk. The lookup_ge will always get - * us the first inode in the next chunk. - */ - agino += XFS_INODES_PER_CHUNK - 1; - continue; - } - } - error = xfs_inobt_get_rec(cur, &r, &i); - if (error || i == 0) { - xfs_buf_relse(agbp); - agbp = NULL; - xfs_btree_del_cursor(cur, XFS_BTREE_NOERROR); - cur = NULL; - agno++; - agino = 0; - continue; + &stat); + if (error) + break; + if (!stat) + goto next_ag; } + + error = xfs_inobt_get_rec(cur, &r, &stat); + if (error || !stat) + break; + agino = r.ir_startino + XFS_INODES_PER_CHUNK - 1; buffer[bufidx].xi_startino = XFS_AGINO_TO_INO(mp, agno, r.ir_startino); buffer[bufidx].xi_alloccount = XFS_INODES_PER_CHUNK - r.ir_freecount; buffer[bufidx].xi_allocmask = ~r.ir_free; - bufidx++; - left--; - if (bufidx == bcount) { - long written; - if (formatter(ubuffer, buffer, bufidx, &written)) { - error = XFS_ERROR(EFAULT); + if (++bufidx == bcount) { + long written; + + error = formatter(ubuffer, buffer, bufidx, &written); + if (error) break; - } ubuffer += written; *count += bufidx; bufidx = 0; } - if (left) { - error = xfs_btree_increment(cur, 0, &tmp); - if (error) { - xfs_btree_del_cursor(cur, XFS_BTREE_ERROR); - cur = NULL; - xfs_buf_relse(agbp); - agbp = NULL; - /* - * The agino value has already been bumped. - * Just try to skip up to it. - */ - agino += XFS_INODES_PER_CHUNK; - continue; - } - } - } + if (!--left) + break; + + error = xfs_btree_increment(cur, 0, &stat); + if (error) + break; + if (stat) + continue; + +next_ag: + xfs_btree_del_cursor(cur, XFS_BTREE_NOERROR); + cur = NULL; + xfs_buf_relse(agbp); + agbp = NULL; + agino = 0; + } while (++agno < mp->m_sb.sb_agcount); + if (!error) { if (bufidx) { - long written; - if (formatter(ubuffer, buffer, bufidx, &written)) - error = XFS_ERROR(EFAULT); - else + long written; + + error = formatter(ubuffer, buffer, bufidx, &written); + if (!error) *count += bufidx; } *lastino = XFS_AGINO_TO_INO(mp, agno, agino); } + kmem_free(buffer); if (cur) xfs_btree_del_cursor(cur, (error ? XFS_BTREE_ERROR : XFS_BTREE_NOERROR)); if (agbp) xfs_buf_relse(agbp); + return error; } -- 1.8.3.2 From jeff.liu@oracle.com Thu Apr 17 19:58:40 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 34D217F5F for ; Thu, 17 Apr 2014 19:58:40 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id B71BEAC003 for ; Thu, 17 Apr 2014 17:58:39 -0700 (PDT) X-ASG-Debug-ID: 1397782717-04bdf04553137f30001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id Z6v2lUR9fBfLkLT9 (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Thu, 17 Apr 2014 17:58:38 -0700 (PDT) X-Barracuda-Envelope-From: jeff.liu@oracle.com X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from ucsinet22.oracle.com (ucsinet22.oracle.com [156.151.31.94]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id s3I0waO1015902 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Fri, 18 Apr 2014 00:58:37 GMT Received: from aserz7021.oracle.com (aserz7021.oracle.com [141.146.126.230]) by ucsinet22.oracle.com (8.14.5+Sun/8.14.5) with ESMTP id s3I0wZCW025043 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Fri, 18 Apr 2014 00:58:36 GMT Received: from abhmp0010.oracle.com (abhmp0010.oracle.com [141.146.116.16]) by aserz7021.oracle.com (8.14.4+Sun/8.14.4) with ESMTP id s3I0wZno020586 for ; Fri, 18 Apr 2014 00:58:35 GMT Received: from [192.168.1.101] (/218.58.144.70) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 17 Apr 2014 17:58:35 -0700 Message-ID: <535078B8.4020905@oracle.com> Date: Fri, 18 Apr 2014 08:58:32 +0800 From: Jeff Liu User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.1.0 MIME-Version: 1.0 To: "xfs@oss.sgi.com" Subject: [PATCH v2 05/10] xfs: fix error handling in xfs_bulkstat Content-Type: text/plain; charset=ISO-8859-1 X-ASG-Orig-Subj: [PATCH v2 05/10] xfs: fix error handling in xfs_bulkstat Content-Transfer-Encoding: 7bit X-Source-IP: ucsinet22.oracle.com [156.151.31.94] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1397782718 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5023 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- From: Jie Liu We should not ignore the btree operation errors in xfs_bulkstat() but to propagate them if any. This patch fix two places in this function and the remains things can be fixed with code refactoring thereafter. Moreover, this fix also get rid of the redundant user buffer count pre-checkups as it has already been validated in upper callers. Signed-off-by: Jie Liu --- fs/xfs/xfs_itable.c | 40 ++++++---------------------------------- 1 file changed, 6 insertions(+), 34 deletions(-) diff --git a/fs/xfs/xfs_itable.c b/fs/xfs/xfs_itable.c index 62cf2f8..cdbcf4e 100644 --- a/fs/xfs/xfs_itable.c +++ b/fs/xfs/xfs_itable.c @@ -230,9 +230,6 @@ xfs_bulkstat( *ubcountp = 0; return 0; } - if (!ubcountp || *ubcountp <= 0) { - return EINVAL; - } ubcount = *ubcountp; /* statstruct's */ ubleft = ubcount * statstruct_size; /* bytes */ *ubcountp = ubelem = 0; @@ -255,14 +252,8 @@ xfs_bulkstat( while (XFS_BULKSTAT_UBLEFT(ubleft) && agno < mp->m_sb.sb_agcount) { cond_resched(); error = xfs_ialloc_read_agi(mp, NULL, agno, &agbp); - if (error) { - /* - * Skip this allocation group and go to the next one. - */ - agno++; - agino = 0; - continue; - } + if (error) + break; agi = XFS_BUF_TO_AGI(agbp); /* * Allocate and initialize a btree cursor for ialloc btree. @@ -333,34 +324,15 @@ xfs_bulkstat( error = xfs_inobt_lookup(cur, 0, XFS_LOOKUP_GE, &tmp); icount = 0; } + if (error) + break; + /* * Loop through inode btree records in this ag, * until we run out of inodes or space in the buffer. */ while (irbp < irbufend && icount < ubcount) { - xfs_inobt_rec_incore_t r; - - /* - * Loop as long as we're unable to read the - * inode btree. - */ - while (error) { - agino += XFS_INODES_PER_CHUNK; - if (XFS_AGINO_TO_AGBNO(mp, agino) >= - be32_to_cpu(agi->agi_length)) - break; - error = xfs_inobt_lookup(cur, agino, - XFS_LOOKUP_GE, &tmp); - cond_resched(); - } - /* - * If ran off the end of the ag either with an error, - * or the normal way, set end and stop collecting. - */ - if (error) { - end_of_ag = 1; - break; - } + struct xfs_inobt_rec_incore r; error = xfs_inobt_get_rec(cur, &r, &i); if (error || i == 0) { -- 1.8.3.2 From jeff.liu@oracle.com Thu Apr 17 19:58:45 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 109867F66 for ; Thu, 17 Apr 2014 19:58:45 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id E887E304043 for ; Thu, 17 Apr 2014 17:58:41 -0700 (PDT) X-ASG-Debug-ID: 1397782714-04cbb06e9b132d30001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id bF2iTYP4FJLHGRvG (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Thu, 17 Apr 2014 17:58:34 -0700 (PDT) X-Barracuda-Envelope-From: jeff.liu@oracle.com X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from ucsinet22.oracle.com (ucsinet22.oracle.com [156.151.31.94]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id s3I0wXl8015869 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Fri, 18 Apr 2014 00:58:34 GMT Received: from aserz7022.oracle.com (aserz7022.oracle.com [141.146.126.231]) by ucsinet22.oracle.com (8.14.5+Sun/8.14.5) with ESMTP id s3I0wWrA024978 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Fri, 18 Apr 2014 00:58:33 GMT Received: from abhmp0010.oracle.com (abhmp0010.oracle.com [141.146.116.16]) by aserz7022.oracle.com (8.14.4+Sun/8.14.4) with ESMTP id s3I0wWLr015870 for ; Fri, 18 Apr 2014 00:58:32 GMT Received: from [192.168.1.101] (/218.58.144.70) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 17 Apr 2014 17:58:32 -0700 Message-ID: <535078B5.4010700@oracle.com> Date: Fri, 18 Apr 2014 08:58:29 +0800 From: Jeff Liu User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.1.0 MIME-Version: 1.0 To: "xfs@oss.sgi.com" Subject: [PATCH v2 04/10] xfs: introduce per allocation group inumbers Content-Type: text/plain; charset=ISO-8859-1 X-ASG-Orig-Subj: [PATCH v2 04/10] xfs: introduce per allocation group inumbers Content-Transfer-Encoding: 7bit X-Source-IP: ucsinet22.oracle.com [156.151.31.94] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1397782714 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Barracuda-BRTS-Status: 1 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5023 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- From: Jie Liu Introduce xfs_perag_inumbers(), it could be used to fetch the inode number tables per allocation group via a new ioctl(2) in the future. Also, that would be a net win considering the scalability for a file system with huge number of inodes as multiple allocation groups can be scanned in parallel, refactor xfs_inumbers() with it. Signed-off-by: Jie Liu --- fs/xfs/xfs_itable.c | 179 ++++++++++++++++++++++++++++++++-------------------- fs/xfs/xfs_itable.h | 13 +++- 2 files changed, 123 insertions(+), 69 deletions(-) diff --git a/fs/xfs/xfs_itable.c b/fs/xfs/xfs_itable.c index 2025bd0..62cf2f8 100644 --- a/fs/xfs/xfs_itable.c +++ b/fs/xfs/xfs_itable.c @@ -570,105 +570,150 @@ xfs_inumbers_fmt( } /* - * Return inode number table for the filesystem. + * Return inode number table in an allocation group. Record how many elements + * have been written out and update the last allocation group inode number on + * success. Otherwise, those values will remain the same and return error. */ -int /* error status */ -xfs_inumbers( - struct xfs_mount *mp,/* mount point for filesystem */ - xfs_ino_t *lastino,/* last inode returned */ - int *count,/* size of buffer/count returned */ - void __user *ubuffer,/* buffer with inode desc */ +static int +xfs_perag_inumbers( + struct xfs_mount *mp, + struct xfs_aginumbers *aip, + struct xfs_inogrp *buffer, + int bcount, inumbers_fmt_pf formatter) { - xfs_agnumber_t agno = XFS_INO_TO_AGNO(mp, *lastino); - xfs_agino_t agino = XFS_INO_TO_AGINO(mp, *lastino); - struct xfs_btree_cur *cur = NULL; - struct xfs_buf *agbp = NULL; - struct xfs_inogrp *buffer; - int left = *count; - int bcount; - int bufidx; + xfs_agnumber_t agno = aip->ai_agno; + xfs_agino_t agino = *(aip->ai_lastip); + char *ubuffer = aip->ai_ubuffer; + int ubleft = aip->ai_icount; + int bufidx = 0; + long count = 0;/* # elements written out */ + struct xfs_agi *agi; + struct xfs_buf *agbp; + struct xfs_btree_cur *cur; + int stat; int error; - *count = 0; - if (agno >= mp->m_sb.sb_agcount || - *lastino != XFS_AGINO_TO_INO(mp, agno, agino)) - return 0; - - bcount = MIN(left, (int)(PAGE_SIZE / sizeof(*buffer))); - buffer = kmem_alloc(bcount * sizeof(*buffer), KM_SLEEP); - bufidx = error = 0; - do { + error = xfs_ialloc_read_agi(mp, NULL, agno, &agbp); + if (error) + return error; + agi = XFS_BUF_TO_AGI(agbp); + cur = xfs_inobt_init_cursor(mp, NULL, agbp, agno); + /* Done if failed to lookup or no inode chuck is found */ + error = xfs_inobt_lookup(cur, agino, XFS_LOOKUP_GE, &stat); + if (error || !stat) + goto error0; + + for (;;) { struct xfs_inobt_rec_incore r; - int stat; - - if (!agbp) { - error = xfs_ialloc_read_agi(mp, NULL, agno, &agbp); - if (error) - break; - cur = xfs_inobt_init_cursor(mp, NULL, agbp, agno); - error = xfs_inobt_lookup(cur, agino, XFS_LOOKUP_GE, - &stat); - if (error) - break; - if (!stat) - goto next_ag; - } error = xfs_inobt_get_rec(cur, &r, &stat); - if (error || !stat) + if (error || !stat) { + pr_info("xfs_inobt_get_rec: stat=%d\n", stat); break; + } agino = r.ir_startino + XFS_INODES_PER_CHUNK - 1; - buffer[bufidx].xi_startino = - XFS_AGINO_TO_INO(mp, agno, r.ir_startino); - buffer[bufidx].xi_alloccount = - XFS_INODES_PER_CHUNK - r.ir_freecount; + buffer[bufidx].xi_startino = XFS_AGINO_TO_INO(mp, agno, + r.ir_startino); + buffer[bufidx].xi_alloccount = XFS_INODES_PER_CHUNK - + r.ir_freecount; buffer[bufidx].xi_allocmask = ~r.ir_free; - if (++bufidx == bcount) { + /* Run out of the given buffer range, it's time to write out */ + if (++bufidx == ubleft) { long written; error = formatter(ubuffer, buffer, bufidx, &written); if (error) break; - ubuffer += written; - *count += bufidx; + count += bufidx; bufidx = 0; + break; } - if (!--left) + if (!--ubleft) break; + /* Done if failed or there are no rightward entries */ error = xfs_btree_increment(cur, 0, &stat); - if (error) + if (error || !stat) break; - if (stat) - continue; - -next_ag: - xfs_btree_del_cursor(cur, XFS_BTREE_NOERROR); - cur = NULL; - xfs_buf_relse(agbp); - agbp = NULL; - agino = 0; - } while (++agno < mp->m_sb.sb_agcount); + } if (!error) { + /* + * There might have remaining inode number tables reside in + * buffer which have not yet been written out if we iterate + * beyond inode btree. We need to handle them separately. + */ if (bufidx) { long written; error = formatter(ubuffer, buffer, bufidx, &written); - if (!error) - *count += bufidx; + if (error) + goto error0; + count += bufidx; } - *lastino = XFS_AGINO_TO_INO(mp, agno, agino); + /* Update the last AG inode number */ + *(aip->ai_lastip) = agino; + /* Record how many elements have been written out */ + aip->ai_ocount = count; } - kmem_free(buffer); - if (cur) - xfs_btree_del_cursor(cur, (error ? XFS_BTREE_ERROR : - XFS_BTREE_NOERROR)); - if (agbp) - xfs_buf_relse(agbp); +error0: + xfs_btree_del_cursor(cur, error ? XFS_BTREE_ERROR : XFS_BTREE_NOERROR); + xfs_buf_relse(agbp); + + return error; +} + +/* Return inode number table for the filesystem */ +int +xfs_inumbers( + struct xfs_mount *mp,/* mount point for filesystem */ + xfs_ino_t *lastinop,/* last inode returned */ + int *ubcountp,/* size of buffer/count returned */ + void __user *ubuffer,/* buffer with inode desc */ + inumbers_fmt_pf formatter) +{ + xfs_agnumber_t agno = XFS_INO_TO_AGNO(mp, *lastinop); + xfs_agino_t agino = XFS_INO_TO_AGINO(mp, *lastinop); + int ubleft = *ubcountp; + struct xfs_inogrp *buffer; + int count; + int error; + *ubcountp = 0; + if (agno >= mp->m_sb.sb_agcount || + *lastinop != XFS_AGINO_TO_INO(mp, agno, agino)) + return 0; + + count = MIN(ubleft, (int)(PAGE_SIZE / sizeof(*buffer))); + buffer = kmem_alloc(count * sizeof(*buffer), KM_SLEEP); + do { + struct xfs_aginumbers ai; + + ai.ai_agno = agno; + ai.ai_lastip = &agino; + ai.ai_icount = ubleft; + ai.ai_ubuffer = ubuffer; + ai.ai_ocount = 0; + error = xfs_perag_inumbers(mp, &ai, buffer, count, formatter); + if (error) + break; + + *ubcountp += ai.ai_ocount; + ubleft -= ai.ai_ocount; + ASSERT(ubleft >= 0); + if (!ubleft) + break; + + ubuffer = ai.ai_ubuffer; + agino = 0; + } while (++agno < mp->m_sb.sb_agcount); + + if (!error) + *lastinop = XFS_AGINO_TO_INO(mp, agno, agino); + + kmem_free(buffer); return error; } diff --git a/fs/xfs/xfs_itable.h b/fs/xfs/xfs_itable.h index 21dbbd7..9c3e535 100644 --- a/fs/xfs/xfs_itable.h +++ b/fs/xfs/xfs_itable.h @@ -83,17 +83,26 @@ xfs_bulkstat_one( typedef int (*inumbers_fmt_pf)( void __user *ubuffer, /* buffer to write to */ - const xfs_inogrp_t *buffer, /* buffer to read from */ + const struct xfs_inogrp *buffer, /* buffer to read from */ long count, /* # of elements to read */ long *written); /* # of bytes written */ int xfs_inumbers_fmt( void __user *ubuffer, /* buffer to write to */ - const xfs_inogrp_t *buffer, /* buffer to read from */ + const struct xfs_inogrp *buffer, /* buffer to read from */ long count, /* # of elements to read */ long *written); /* # of bytes written */ +/* This structure is used for xfs_inumbers per allocation group */ +struct xfs_aginumbers { + xfs_agnumber_t ai_agno;/* AG number */ + xfs_agino_t *ai_lastip;/* last AG inode number */ + char __user *ai_ubuffer;/* user buffer to write to */ + __uint32_t ai_icount;/* # of elements to read */ + __uint32_t ai_ocount;/* # of elements written */ +}; + int /* error status */ xfs_inumbers( xfs_mount_t *mp, /* mount point for filesystem */ -- 1.8.3.2 From jeff.liu@oracle.com Thu Apr 17 19:58:49 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id A97307F76 for ; Thu, 17 Apr 2014 19:58:49 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id 64A13304043 for ; Thu, 17 Apr 2014 17:58:49 -0700 (PDT) X-ASG-Debug-ID: 1397782727-04bdf04554137f60001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id Qmzg0riFib0q1Sfi (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Thu, 17 Apr 2014 17:58:48 -0700 (PDT) X-Barracuda-Envelope-From: jeff.liu@oracle.com X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from ucsinet22.oracle.com (ucsinet22.oracle.com [156.151.31.94]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id s3I0wks0011103 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Fri, 18 Apr 2014 00:58:46 GMT Received: from aserz7021.oracle.com (aserz7021.oracle.com [141.146.126.230]) by ucsinet22.oracle.com (8.14.5+Sun/8.14.5) with ESMTP id s3I0wjWS025228 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Fri, 18 Apr 2014 00:58:46 GMT Received: from abhmp0013.oracle.com (abhmp0013.oracle.com [141.146.116.19]) by aserz7021.oracle.com (8.14.4+Sun/8.14.4) with ESMTP id s3I0wjVk020767 for ; Fri, 18 Apr 2014 00:58:45 GMT Received: from [192.168.1.101] (/218.58.144.70) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 17 Apr 2014 17:58:45 -0700 Message-ID: <535078C3.2040506@oracle.com> Date: Fri, 18 Apr 2014 08:58:43 +0800 From: Jeff Liu User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.1.0 MIME-Version: 1.0 To: "xfs@oss.sgi.com" Subject: [PATCH v2 06/10] xfs: introduce xfs_bulkstat_ichunk_ra Content-Type: text/plain; charset=ISO-8859-1 X-ASG-Orig-Subj: [PATCH v2 06/10] xfs: introduce xfs_bulkstat_ichunk_ra Content-Transfer-Encoding: 7bit X-Source-IP: ucsinet22.oracle.com [156.151.31.94] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1397782727 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5023 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- From: Jie Liu Introduce xfs_bulkstat_ichunk_ra() to loop over all clusters in the next inode chunk, then performs readahead if there are any allocated inodes in that cluster. Refactor xfs_bulkstat() with it. Signed-off-by: Jie Liu --- fs/xfs/xfs_itable.c | 56 ++++++++++++++++++++++++++++++----------------------- 1 file changed, 32 insertions(+), 24 deletions(-) diff --git a/fs/xfs/xfs_itable.c b/fs/xfs/xfs_itable.c index cdbcf4e..6bde45d 100644 --- a/fs/xfs/xfs_itable.c +++ b/fs/xfs/xfs_itable.c @@ -172,6 +172,37 @@ xfs_bulkstat_one( xfs_bulkstat_one_fmt, ubused, stat); } +/* + * Loop over all clusters in a chunk for a given incore inode allocation btree + * record. Do a readahead if there are any allocated inodes in that cluster. + */ +STATIC void +xfs_bulkstat_ichunk_ra( + struct xfs_mount *mp, + xfs_agnumber_t agno, + struct xfs_inobt_rec_incore *irec) +{ + xfs_agblock_t agbno; + struct blk_plug plug; + int blks_per_cluster; + int inodes_per_cluster; + int i; /* inode chunk index */ + + agbno = XFS_AGINO_TO_AGBNO(mp, irec->ir_startino); + blks_per_cluster = xfs_icluster_size_fsb(mp); + inodes_per_cluster = blks_per_cluster << mp->m_sb.sb_inopblog; + + blk_start_plug(&plug); + for (i = 0; i < XFS_INODES_PER_CHUNK; + i += inodes_per_cluster, agbno += blks_per_cluster) { + if (xfs_inobt_maskn(i, inodes_per_cluster) & ~irec->ir_free) { + xfs_btree_reada_bufs(mp, agno, agbno, blks_per_cluster, + &xfs_inode_buf_ops); + } + } + blk_finish_plug(&plug); +} + #define XFS_BULKSTAT_UBLEFT(ubleft) ((ubleft) >= statstruct_size) /* @@ -187,7 +218,6 @@ xfs_bulkstat( char __user *ubuffer, /* buffer with inode stats */ int *done) /* 1 if there are more stats to get */ { - xfs_agblock_t agbno=0;/* allocation group block number */ xfs_buf_t *agbp; /* agi header buffer */ xfs_agi_t *agi; /* agi header data */ xfs_agino_t agino; /* inode # in allocation group */ @@ -206,8 +236,6 @@ xfs_bulkstat( xfs_inobt_rec_incore_t *irbuf; /* start of irec buffer */ xfs_inobt_rec_incore_t *irbufend; /* end of good irec buffer entries */ xfs_ino_t lastino; /* last inode number returned */ - int blks_per_cluster; /* # of blocks per cluster */ - int inodes_per_cluster;/* # of inodes per cluster */ int nirbuf; /* size of irbuf */ int rval; /* return value error code */ int tmp; /* result value from btree calls */ @@ -236,8 +264,6 @@ xfs_bulkstat( *done = 0; fmterror = 0; ubufp = ubuffer; - blks_per_cluster = xfs_icluster_size_fsb(mp); - inodes_per_cluster = blks_per_cluster << mp->m_sb.sb_inopblog; irbuf = kmem_zalloc_greedy(&irbsize, PAGE_SIZE, PAGE_SIZE * 4); if (!irbuf) return ENOMEM; @@ -345,25 +371,7 @@ xfs_bulkstat( * Also start read-ahead now for this chunk. */ if (r.ir_freecount < XFS_INODES_PER_CHUNK) { - struct blk_plug plug; - /* - * Loop over all clusters in the next chunk. - * Do a readahead if there are any allocated - * inodes in that cluster. - */ - blk_start_plug(&plug); - agbno = XFS_AGINO_TO_AGBNO(mp, r.ir_startino); - for (chunkidx = 0; - chunkidx < XFS_INODES_PER_CHUNK; - chunkidx += inodes_per_cluster, - agbno += blks_per_cluster) { - if (xfs_inobt_maskn(chunkidx, - inodes_per_cluster) & ~r.ir_free) - xfs_btree_reada_bufs(mp, agno, - agbno, blks_per_cluster, - &xfs_inode_buf_ops); - } - blk_finish_plug(&plug); + xfs_bulkstat_ichunk_ra(mp, agno, &r); irbp->ir_startino = r.ir_startino; irbp->ir_freecount = r.ir_freecount; irbp->ir_free = r.ir_free; -- 1.8.3.2 From jeff.liu@oracle.com Thu Apr 17 19:58:54 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id A6DFC7F7C for ; Thu, 17 Apr 2014 19:58:54 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 276B6AC001 for ; Thu, 17 Apr 2014 17:58:54 -0700 (PDT) X-ASG-Debug-ID: 1397782732-04cb6c243912f5a0001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id XrwEkPQ81lT0N0G9 (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Thu, 17 Apr 2014 17:58:52 -0700 (PDT) X-Barracuda-Envelope-From: jeff.liu@oracle.com X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from acsinet21.oracle.com (acsinet21.oracle.com [141.146.126.237]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id s3I0wqUT016107 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Fri, 18 Apr 2014 00:58:52 GMT Received: from userz7022.oracle.com (userz7022.oracle.com [156.151.31.86]) by acsinet21.oracle.com (8.14.4+Sun/8.14.4) with ESMTP id s3I0wpKj020843 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Fri, 18 Apr 2014 00:58:51 GMT Received: from abhmp0003.oracle.com (abhmp0003.oracle.com [141.146.116.9]) by userz7022.oracle.com (8.14.5+Sun/8.14.4) with ESMTP id s3I0wouq025327 for ; Fri, 18 Apr 2014 00:58:50 GMT Received: from [192.168.1.101] (/218.58.144.70) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 17 Apr 2014 17:58:50 -0700 Message-ID: <535078C5.5060107@oracle.com> Date: Fri, 18 Apr 2014 08:58:45 +0800 From: Jeff Liu User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.1.0 MIME-Version: 1.0 To: "xfs@oss.sgi.com" Subject: [PATCH v2 07/10] xfs: introduce xfs_bulkstat_grab_ichunk Content-Type: text/plain; charset=ISO-8859-1 X-ASG-Orig-Subj: [PATCH v2 07/10] xfs: introduce xfs_bulkstat_grab_ichunk Content-Transfer-Encoding: 7bit X-Source-IP: acsinet21.oracle.com [141.146.126.237] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1397782732 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5023 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- From: Jie Liu Introduce xfs_bulkstat_grab_ichunk() to look up an inode chunk in where the given inode resides, then grab the record. Update the data for the pointed-to record if the inode was not the last in the chunk and there are some left allocated, return the grabbed inode count on success. Refactor xfs_bulkstat() with it. Signed-off-by: Jie Liu --- fs/xfs/xfs_itable.c | 121 ++++++++++++++++++++++++++++++---------------------- 1 file changed, 70 insertions(+), 51 deletions(-) diff --git a/fs/xfs/xfs_itable.c b/fs/xfs/xfs_itable.c index 6bde45d..be7ab58 100644 --- a/fs/xfs/xfs_itable.c +++ b/fs/xfs/xfs_itable.c @@ -203,6 +203,63 @@ xfs_bulkstat_ichunk_ra( blk_finish_plug(&plug); } +/* + * Lookup the inode chunk that the given inode lives in and then get the record + * if we found the chunk. If the inode was not the last in the chunk and there + * are some left allocated, update the data for the pointed-to record as well as + * return the count of grabbed inodes. + */ +STATIC int +xfs_bulkstat_grab_ichunk( + struct xfs_btree_cur *cur, /* btree cursor */ + xfs_agino_t agino, /* starting inode of chunk */ + int *icount,/* return # of inodes grabbed */ + struct xfs_inobt_rec_incore *irec) /* btree record */ +{ + int idx; /* index into inode chunk */ + int stat; + int error = 0; + + /* Lookup the inode chunk that this inode lives in */ + error = xfs_inobt_lookup(cur, agino, XFS_LOOKUP_LE, &stat); + if (error) + return error; + if (!stat) { + *icount = 0; + return error; + } + + /* Get the record, should always work */ + error = xfs_inobt_get_rec(cur, irec, &stat); + if (error) + return error; + XFS_WANT_CORRUPTED_RETURN(stat == 1); + + /* Check if the record contains the inode in request */ + if (irec->ir_startino + XFS_INODES_PER_CHUNK <= agino) + return XFS_ERROR(EINVAL); + + idx = agino - irec->ir_startino + 1; + if (idx < XFS_INODES_PER_CHUNK && + (xfs_inobt_maskn(idx, XFS_INODES_PER_CHUNK - idx) & ~irec->ir_free)) { + int i; + + /* We got a right chunk with some left inodes allocated at it. + * Grab the chunk record. Mark all the uninteresting inodes + * free -- because they're before our start point. + */ + for (i = 0; i < idx; i++) { + if (XFS_INOBT_MASK(i) & ~irec->ir_free) + irec->ir_freecount++; + } + + irec->ir_free |= xfs_inobt_maskn(0, idx); + *icount = XFS_INODES_PER_CHUNK - irec->ir_freecount; + } + + return 0; +} + #define XFS_BULKSTAT_UBLEFT(ubleft) ((ubleft) >= statstruct_size) /* @@ -288,67 +345,29 @@ xfs_bulkstat( irbp = irbuf; irbufend = irbuf + nirbuf; end_of_ag = 0; - /* - * If we're returning in the middle of an allocation group, - * we need to get the remainder of the chunk we're in. - */ + icount = 0; if (agino > 0) { - xfs_inobt_rec_incore_t r; - /* - * Lookup the inode chunk that this inode lives in. + * In the middle of an allocation group, we need to get + * the remainder of the chunk we're in. */ - error = xfs_inobt_lookup(cur, agino, XFS_LOOKUP_LE, - &tmp); - if (!error && /* no I/O error */ - tmp && /* lookup succeeded */ - /* got the record, should always work */ - !(error = xfs_inobt_get_rec(cur, &r, &i)) && - i == 1 && - /* this is the right chunk */ - agino < r.ir_startino + XFS_INODES_PER_CHUNK && - /* lastino was not last in chunk */ - (chunkidx = agino - r.ir_startino + 1) < - XFS_INODES_PER_CHUNK && - /* there are some left allocated */ - xfs_inobt_maskn(chunkidx, - XFS_INODES_PER_CHUNK - chunkidx) & - ~r.ir_free) { - /* - * Grab the chunk record. Mark all the - * uninteresting inodes (because they're - * before our start point) free. - */ - for (i = 0; i < chunkidx; i++) { - if (XFS_INOBT_MASK(i) & ~r.ir_free) - r.ir_freecount++; - } - r.ir_free |= xfs_inobt_maskn(0, chunkidx); + struct xfs_inobt_rec_incore r; + + error = xfs_bulkstat_grab_ichunk(cur, agino, &icount, &r); + if (error) + break; + if (icount) { irbp->ir_startino = r.ir_startino; irbp->ir_freecount = r.ir_freecount; irbp->ir_free = r.ir_free; irbp++; - agino = r.ir_startino + XFS_INODES_PER_CHUNK; - icount = XFS_INODES_PER_CHUNK - r.ir_freecount; - } else { - /* - * If any of those tests failed, bump the - * inode number (just in case). - */ - agino++; - icount = 0; + agino += r.ir_startino + XFS_INODES_PER_CHUNK; } - /* - * In any case, increment to the next record. - */ - if (!error) - error = xfs_btree_increment(cur, 0, &tmp); + /* Increment to the next record */ + error = xfs_btree_increment(cur, 0, &tmp); } else { - /* - * Start of ag. Lookup the first inode chunk. - */ + /* Start of ag. Lookup the first inode chunk */ error = xfs_inobt_lookup(cur, 0, XFS_LOOKUP_GE, &tmp); - icount = 0; } if (error) break; -- 1.8.3.2 From jeff.liu@oracle.com Thu Apr 17 19:58:56 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id E79097F83 for ; Thu, 17 Apr 2014 19:58:56 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id CDBBB8F8040 for ; Thu, 17 Apr 2014 17:58:56 -0700 (PDT) X-ASG-Debug-ID: 1397782735-04cbb06e9d132d80001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id gmE12WWehJZ3ckFf (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Thu, 17 Apr 2014 17:58:55 -0700 (PDT) X-Barracuda-Envelope-From: jeff.liu@oracle.com X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from ucsinet22.oracle.com (ucsinet22.oracle.com [156.151.31.94]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id s3I0ws34016129 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Fri, 18 Apr 2014 00:58:55 GMT Received: from aserz7021.oracle.com (aserz7021.oracle.com [141.146.126.230]) by ucsinet22.oracle.com (8.14.5+Sun/8.14.5) with ESMTP id s3I0wrHh025376 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Fri, 18 Apr 2014 00:58:54 GMT Received: from abhmp0015.oracle.com (abhmp0015.oracle.com [141.146.116.21]) by aserz7021.oracle.com (8.14.4+Sun/8.14.4) with ESMTP id s3I0wrNi020885 for ; Fri, 18 Apr 2014 00:58:53 GMT Received: from [192.168.1.101] (/218.58.144.70) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 17 Apr 2014 17:58:53 -0700 Message-ID: <535078CA.1090609@oracle.com> Date: Fri, 18 Apr 2014 08:58:50 +0800 From: Jeff Liu User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.1.0 MIME-Version: 1.0 To: "xfs@oss.sgi.com" Subject: [PATCH v2 08/10] xfs: introduce xfs_bulkstat_ag_ichunk Content-Type: text/plain; charset=ISO-8859-1 X-ASG-Orig-Subj: [PATCH v2 08/10] xfs: introduce xfs_bulkstat_ag_ichunk Content-Transfer-Encoding: 7bit X-Source-IP: ucsinet22.oracle.com [156.151.31.94] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1397782735 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5023 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- From: Jie Liu Introduce xfs_bulkstat_ag_ichunk() to process inodes in chunk with a pointer to a formatter function that will iget the inode and fill in the appropriate structure. Refactor xfs_bulkstat() with it. Reviewed-by: Christoph Hellwig Signed-off-by: Jie Liu --- fs/xfs/xfs_itable.c | 142 ++++++++++++++++++++++++++++++++-------------------- fs/xfs/xfs_itable.h | 16 ++++++ 2 files changed, 104 insertions(+), 54 deletions(-) diff --git a/fs/xfs/xfs_itable.c b/fs/xfs/xfs_itable.c index be7ab58..56e1d5f 100644 --- a/fs/xfs/xfs_itable.c +++ b/fs/xfs/xfs_itable.c @@ -263,6 +263,80 @@ xfs_bulkstat_grab_ichunk( #define XFS_BULKSTAT_UBLEFT(ubleft) ((ubleft) >= statstruct_size) /* + * Process inodes in chunk with a pointer to a formatter function that will + * iget the inode and fill in the appropriate structure. + */ +STATIC int +xfs_bulkstat_ag_ichunk( + struct xfs_mount *mp, + xfs_agnumber_t agno, + struct xfs_inobt_rec_incore *irbp, + bulkstat_one_pf formatter, + size_t statstruct_size, + struct xfs_bulkstat_agichunk *acp) +{ + xfs_ino_t lastino = acp->ac_lastino; + char __user *ubufp = acp->ac_ubuffer; + int ubleft = acp->ac_ubleft; + int ubelem = acp->ac_ubelem; + int chunkidx, clustidx; + int error = 0; + xfs_agino_t agino; + + for (agino = irbp->ir_startino, chunkidx = clustidx = 0; + XFS_BULKSTAT_UBLEFT(ubleft) && + irbp->ir_freecount < XFS_INODES_PER_CHUNK; + chunkidx++, clustidx++, agino++) { + int fmterror; /* bulkstat formatter result */ + int ubused; + xfs_ino_t ino = XFS_AGINO_TO_INO(mp, agno, agino); + + ASSERT(chunkidx < XFS_INODES_PER_CHUNK); + /* Skip if this inode is free */ + if (XFS_INOBT_MASK(chunkidx) & irbp->ir_free) { + lastino = ino; + continue; + } + + /* + * Count used inodes as free so we can tell when the chunk is + * used up. + */ + irbp->ir_freecount++; + + /* Get the inode and fill in a single buffer */ + ubused = statstruct_size; + error = formatter(mp, ino, ubufp, ubleft, &ubused, &fmterror); + if (fmterror == BULKSTAT_RV_NOTHING) { + if (error && error != ENOENT && error != EINVAL) { + ubleft = 0; + break; + } + error = 0; + lastino = ino; + continue; + } + if (fmterror == BULKSTAT_RV_GIVEUP) { + ubleft = 0; + ASSERT(error); + break; + } + if (ubufp) + ubufp += ubused; + ubleft -= ubused; + ubelem++; + lastino = ino; + } + + if (!error) { + acp->ac_lastino = lastino; + acp->ac_ubleft = ubleft; + acp->ac_ubelem = ubelem; + } + return error; +} + +/* * Return stat information in bulk (by-inode) for the filesystem. */ int /* error status */ @@ -279,8 +353,6 @@ xfs_bulkstat( xfs_agi_t *agi; /* agi header data */ xfs_agino_t agino; /* inode # in allocation group */ xfs_agnumber_t agno; /* allocation group number */ - int chunkidx; /* current index into inode chunk */ - int clustidx; /* current index into inode cluster */ xfs_btree_cur_t *cur; /* btree cursor for ialloc btree */ int end_of_ag; /* set if we've seen the ag end */ int error; /* error code */ @@ -300,7 +372,6 @@ xfs_bulkstat( int ubleft; /* bytes left in user's buffer */ char __user *ubufp; /* pointer into user's buffer */ int ubelem; /* spaces used in user's buffer */ - int ubused; /* bytes used by formatter */ /* * Get the last inode value, see if there's nothing to do. @@ -417,57 +488,20 @@ xfs_bulkstat( irbufend = irbp; for (irbp = irbuf; irbp < irbufend && XFS_BULKSTAT_UBLEFT(ubleft); irbp++) { - /* - * Now process this chunk of inodes. - */ - for (agino = irbp->ir_startino, chunkidx = clustidx = 0; - XFS_BULKSTAT_UBLEFT(ubleft) && - irbp->ir_freecount < XFS_INODES_PER_CHUNK; - chunkidx++, clustidx++, agino++) { - ASSERT(chunkidx < XFS_INODES_PER_CHUNK); - - ino = XFS_AGINO_TO_INO(mp, agno, agino); - /* - * Skip if this inode is free. - */ - if (XFS_INOBT_MASK(chunkidx) & irbp->ir_free) { - lastino = ino; - continue; - } - /* - * Count used inodes as free so we can tell - * when the chunk is used up. - */ - irbp->ir_freecount++; - - /* - * Get the inode and fill in a single buffer. - */ - ubused = statstruct_size; - error = formatter(mp, ino, ubufp, ubleft, - &ubused, &fmterror); - if (fmterror == BULKSTAT_RV_NOTHING) { - if (error && error != ENOENT && - error != EINVAL) { - ubleft = 0; - rval = error; - break; - } - lastino = ino; - continue; - } - if (fmterror == BULKSTAT_RV_GIVEUP) { - ubleft = 0; - ASSERT(error); - rval = error; - break; - } - if (ubufp) - ubufp += ubused; - ubleft -= ubused; - ubelem++; - lastino = ino; - } + struct xfs_bulkstat_agichunk ac; + + ac.ac_lastino = lastino; + ac.ac_ubuffer = ubuffer; + ac.ac_ubleft = ubleft; + ac.ac_ubelem = ubelem; + error = xfs_bulkstat_ag_ichunk(mp, agno, irbp, + formatter, statstruct_size, &ac); + if (error) + rval = error; + + lastino = ac.ac_lastino; + ubleft = ac.ac_ubleft; + ubelem = ac.ac_ubelem; cond_resched(); } diff --git a/fs/xfs/xfs_itable.h b/fs/xfs/xfs_itable.h index 9c3e535..d3e004e 100644 --- a/fs/xfs/xfs_itable.h +++ b/fs/xfs/xfs_itable.h @@ -30,6 +30,22 @@ typedef int (*bulkstat_one_pf)(struct xfs_mount *mp, int *ubused, int *stat); +struct xfs_bulkstat_agichunk { + xfs_ino_t ac_lastino; /* last inode returned */ + char __user *ac_ubuffer;/* pointer into user's buffer */ + int ac_ubleft; /* bytes left in user's buffer */ + int ac_ubelem; /* spaces used in user's buffer */ +}; + +int +xfs_bulkstat_ag_ichunk( + struct xfs_mount *mp, + xfs_agnumber_t agno, + struct xfs_inobt_rec_incore *irbp, + bulkstat_one_pf formatter, + size_t statstruct_size, + struct xfs_bulkstat_agichunk *acp); + /* * Values for stat return value. */ -- 1.8.3.2 From jeff.liu@oracle.com Thu Apr 17 19:59:00 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 20A9E7F86 for ; Thu, 17 Apr 2014 19:59:00 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id E9899304043 for ; Thu, 17 Apr 2014 17:58:59 -0700 (PDT) X-ASG-Debug-ID: 1397782738-04cb6c243912f5c0001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id KHRu1Cq9Bd5h1bdQ (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Thu, 17 Apr 2014 17:58:58 -0700 (PDT) X-Barracuda-Envelope-From: jeff.liu@oracle.com X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from ucsinet21.oracle.com (ucsinet21.oracle.com [156.151.31.93]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id s3I0wvYV011248 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Fri, 18 Apr 2014 00:58:57 GMT Received: from aserz7021.oracle.com (aserz7021.oracle.com [141.146.126.230]) by ucsinet21.oracle.com (8.14.4+Sun/8.14.4) with ESMTP id s3I0wubm025258 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Fri, 18 Apr 2014 00:58:57 GMT Received: from abhmp0008.oracle.com (abhmp0008.oracle.com [141.146.116.14]) by aserz7021.oracle.com (8.14.4+Sun/8.14.4) with ESMTP id s3I0wurr020917 for ; Fri, 18 Apr 2014 00:58:56 GMT Received: from [192.168.1.101] (/218.58.144.70) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 17 Apr 2014 17:58:55 -0700 Message-ID: <535078CD.6050500@oracle.com> Date: Fri, 18 Apr 2014 08:58:53 +0800 From: Jeff Liu User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.1.0 MIME-Version: 1.0 To: "xfs@oss.sgi.com" Subject: [PATCH v2 09/10] xfs: introduce per allocation group bulkstat Content-Type: text/plain; charset=ISO-8859-1 X-ASG-Orig-Subj: [PATCH v2 09/10] xfs: introduce per allocation group bulkstat Content-Transfer-Encoding: 7bit X-Source-IP: ucsinet21.oracle.com [156.151.31.93] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1397782738 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5023 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- From: Jie Liu Introduce xfs_perag_bulkstat(), we can return stat information in bulk by inode as per the given allocation group number and start inode number in it via a new ioctl(2) in the future. Similar to the per allocation group inumbers, we could perform bulkstat in parallel with that. Refactor xfs_bulkstat() with it. Signed-off-by: Jie Liu --- fs/xfs/xfs_itable.c | 288 +++++++++++++++++++++++++++++----------------------- fs/xfs/xfs_itable.h | 20 ++++ 2 files changed, 180 insertions(+), 128 deletions(-) diff --git a/fs/xfs/xfs_itable.c b/fs/xfs/xfs_itable.c index 56e1d5f..58dc182 100644 --- a/fs/xfs/xfs_itable.c +++ b/fs/xfs/xfs_itable.c @@ -337,86 +337,44 @@ xfs_bulkstat_ag_ichunk( } /* - * Return stat information in bulk (by-inode) for the filesystem. + * Return stat information in bulk (by-inode) in an allocation group until + * we run out of the AG or user buffers. */ -int /* error status */ -xfs_bulkstat( - xfs_mount_t *mp, /* mount point for filesystem */ - xfs_ino_t *lastinop, /* last inode returned */ - int *ubcountp, /* size of buffer/count returned */ - bulkstat_one_pf formatter, /* func that'd fill a single buf */ - size_t statstruct_size, /* sizeof struct filling */ - char __user *ubuffer, /* buffer with inode stats */ - int *done) /* 1 if there are more stats to get */ +int +xfs_perag_bulkstat( + struct xfs_mount *mp, + struct xfs_agbulkstat *agbulkp, + struct xfs_inobt_rec_incore *irbuf, + size_t nirbuf, + bulkstat_one_pf formatter, + size_t statstruct_size) { - xfs_buf_t *agbp; /* agi header buffer */ - xfs_agi_t *agi; /* agi header data */ - xfs_agino_t agino; /* inode # in allocation group */ - xfs_agnumber_t agno; /* allocation group number */ - xfs_btree_cur_t *cur; /* btree cursor for ialloc btree */ - int end_of_ag; /* set if we've seen the ag end */ - int error; /* error code */ - int fmterror;/* bulkstat formatter result */ - int i; /* loop index */ - int icount; /* count of inodes good in irbuf */ - size_t irbsize; /* size of irec buffer in bytes */ - xfs_ino_t ino; /* inode number (filesystem) */ - xfs_inobt_rec_incore_t *irbp; /* current irec buffer pointer */ - xfs_inobt_rec_incore_t *irbuf; /* start of irec buffer */ - xfs_inobt_rec_incore_t *irbufend; /* end of good irec buffer entries */ - xfs_ino_t lastino; /* last inode number returned */ - int nirbuf; /* size of irbuf */ - int rval; /* return value error code */ - int tmp; /* result value from btree calls */ - int ubcount; /* size of user's buffer */ - int ubleft; /* bytes left in user's buffer */ - char __user *ubufp; /* pointer into user's buffer */ - int ubelem; /* spaces used in user's buffer */ - - /* - * Get the last inode value, see if there's nothing to do. - */ - ino = (xfs_ino_t)*lastinop; - lastino = ino; - agno = XFS_INO_TO_AGNO(mp, ino); - agino = XFS_INO_TO_AGINO(mp, ino); - if (agno >= mp->m_sb.sb_agcount || - ino != XFS_AGINO_TO_INO(mp, agno, agino)) { - *done = 1; - *ubcountp = 0; - return 0; - } - ubcount = *ubcountp; /* statstruct's */ - ubleft = ubcount * statstruct_size; /* bytes */ - *ubcountp = ubelem = 0; - *done = 0; - fmterror = 0; - ubufp = ubuffer; - irbuf = kmem_zalloc_greedy(&irbsize, PAGE_SIZE, PAGE_SIZE * 4); - if (!irbuf) - return ENOMEM; - - nirbuf = irbsize / sizeof(*irbuf); + xfs_agnumber_t agno = agbulkp->ab_agno; + xfs_agino_t agino = *(agbulkp->ab_aginop); + xfs_ino_t lastino = XFS_AGINO_TO_INO(mp, agno, + agino); + char __user *ubuffer = agbulkp->ab_ubuffer; + int ubcount = agbulkp->ab_icount; + int ubelem = 0;/* # elements written */ + struct xfs_btree_cur *cur = NULL; + struct xfs_buf *agbp = NULL; + int ubleft_bytes; + int error; + + ubleft_bytes = ubcount * statstruct_size; + for (;;) { + struct xfs_inobt_rec_incore *irbp = irbuf; + struct xfs_inobt_rec_incore *irbufend = irbuf + nirbuf; + struct xfs_agi *agi; + int stat; + int icount = 0;/* # inodes in irbuf */ + bool end_of_ag = false; - /* - * Loop over the allocation groups, starting from the last - * inode returned; 0 means start of the allocation group. - */ - rval = 0; - while (XFS_BULKSTAT_UBLEFT(ubleft) && agno < mp->m_sb.sb_agcount) { - cond_resched(); error = xfs_ialloc_read_agi(mp, NULL, agno, &agbp); if (error) break; agi = XFS_BUF_TO_AGI(agbp); - /* - * Allocate and initialize a btree cursor for ialloc btree. - */ cur = xfs_inobt_init_cursor(mp, NULL, agbp, agno); - irbp = irbuf; - irbufend = irbuf + nirbuf; - end_of_ag = 0; - icount = 0; if (agino > 0) { /* * In the middle of an allocation group, we need to get @@ -434,32 +392,34 @@ xfs_bulkstat( irbp++; agino += r.ir_startino + XFS_INODES_PER_CHUNK; } - /* Increment to the next record */ - error = xfs_btree_increment(cur, 0, &tmp); + error = xfs_btree_increment(cur, 0, &stat); + if (error) + break; + if (!stat) + end_of_ag = true; } else { /* Start of ag. Lookup the first inode chunk */ - error = xfs_inobt_lookup(cur, 0, XFS_LOOKUP_GE, &tmp); + error = xfs_inobt_lookup(cur, 0, XFS_LOOKUP_GE, &stat); + if (error || !stat) + break; } - if (error) - break; /* - * Loop through inode btree records in this ag, - * until we run out of inodes or space in the buffer. + * Loop over inode btree records in this AG until we run out of + * inodes or space in the buffer. */ while (irbp < irbufend && icount < ubcount) { struct xfs_inobt_rec_incore r; - error = xfs_inobt_get_rec(cur, &r, &i); - if (error || i == 0) { - end_of_ag = 1; + error = xfs_inobt_get_rec(cur, &r, &stat); + if (error) + break; + if (!stat) { + end_of_ag = true; break; } - /* - * If this chunk has any allocated inodes, save it. - * Also start read-ahead now for this chunk. - */ + /* If this chunk has any allocated inodes, save it */ if (r.ir_freecount < XFS_INODES_PER_CHUNK) { xfs_bulkstat_ichunk_ra(mp, agno, &r); irbp->ir_startino = r.ir_startino; @@ -468,77 +428,149 @@ xfs_bulkstat( irbp++; icount += XFS_INODES_PER_CHUNK - r.ir_freecount; } - /* - * Set agino to after this chunk and bump the cursor. - */ + + /* Set agino to after this chunk and bump the cursor */ agino = r.ir_startino + XFS_INODES_PER_CHUNK; - error = xfs_btree_increment(cur, 0, &tmp); + error = xfs_btree_increment(cur, 0, &stat); + if (error) + break; + if (!stat) { + end_of_ag = true; + break; + } + cond_resched(); } + + /* Break if previously there is any error has happened */ + if (error) + break; /* - * Drop the btree buffers and the agi buffer. - * We can't hold any of the locks these represent - * when calling iget. + * Drop the btree buffers and the agi buffer. We can't hold + * any of the locks these represent when calling iget. */ xfs_btree_del_cursor(cur, XFS_BTREE_NOERROR); + cur = NULL; xfs_buf_relse(agbp); - /* - * Now format all the good inodes into the user's buffer. - */ + agbp = NULL; + irbufend = irbp; for (irbp = irbuf; - irbp < irbufend && XFS_BULKSTAT_UBLEFT(ubleft); irbp++) { - struct xfs_bulkstat_agichunk ac; + irbp < irbufend && XFS_BULKSTAT_UBLEFT(ubleft_bytes); + irbp++) { + struct xfs_bulkstat_agichunk ac; ac.ac_lastino = lastino; ac.ac_ubuffer = ubuffer; - ac.ac_ubleft = ubleft; + ac.ac_ubleft = ubleft_bytes; ac.ac_ubelem = ubelem; error = xfs_bulkstat_ag_ichunk(mp, agno, irbp, formatter, statstruct_size, &ac); if (error) - rval = error; - + break; lastino = ac.ac_lastino; - ubleft = ac.ac_ubleft; + ubleft_bytes = ac.ac_ubleft; ubelem = ac.ac_ubelem; cond_resched(); } - /* - * Set up for the next loop iteration. - */ - if (XFS_BULKSTAT_UBLEFT(ubleft)) { - if (end_of_ag) { - agno++; - agino = 0; - } else - agino = XFS_INO_TO_AGINO(mp, lastino); - } else + + if (error || end_of_ag || !XFS_BULKSTAT_UBLEFT(ubleft_bytes)) break; + + /* Set up for the next loop iteration */ + agino = XFS_INO_TO_AGINO(mp, lastino); } + + if (!error) { + agbulkp->ab_ocount = ubelem; + *(agbulkp->ab_aginop) = XFS_INO_TO_AGINO(mp, lastino); + } + + if (cur) { + xfs_btree_del_cursor(cur, error ? XFS_BTREE_ERROR : + XFS_BTREE_NOERROR); + } + if (agbp) + xfs_buf_relse(agbp); + + return error; +} + +/* + * Return stat information in bulk (by-inode) for the filesystem. + */ +int +xfs_bulkstat( + struct xfs_mount *mp, /* mount point for filesystem */ + xfs_ino_t *lastinop, /* last inode returned */ + int *ubcountp, /* size of buffer/count returned */ + bulkstat_one_pf formatter, /* func that'd fill a single buf */ + size_t statstruct_size, /* sizeof struct filling */ + char __user *ubuffer, /* buffer with inode stats */ + int *done) /* 1 if there are more stats to get */ +{ + xfs_ino_t lastino = *lastinop;/* last inode number */ + xfs_agnumber_t agno = XFS_INO_TO_AGNO(mp, lastino); + xfs_agino_t agino = XFS_INO_TO_AGINO(mp, lastino); + int ubleft = *ubcountp;/* size of user's buffer */ + size_t irbsize;/* size of irec buffer in bytes */ + int nirbuf; /* size of irbuf */ + int error; /* error code */ + struct xfs_inobt_rec_incore *irbuf;/* start of irec buffer */ + + /* The given last inode number is beyond file system range, done */ + if (agno >= mp->m_sb.sb_agcount || + lastino != XFS_AGINO_TO_INO(mp, agno, agino)) { + *ubcountp = 0; + *done = 1; + return 0; + } + + irbuf = kmem_zalloc_greedy(&irbsize, PAGE_SIZE, PAGE_SIZE * 4); + if (!irbuf) + return ENOMEM; + nirbuf = irbsize / sizeof(*irbuf); + + *done = 0; /* - * Done, we're either out of filesystem or space to put the data. - */ - kmem_free(irbuf); - *ubcountp = ubelem; - /* - * Found some inodes, return them now and return the error next time. + * Loop over the allocation groups, starting from the last inode + * returned; 0 means start of the allocation group. */ - if (ubelem) - rval = 0; - if (agno >= mp->m_sb.sb_agcount) { + do { + struct xfs_agbulkstat agbulk; + + agbulk.ab_agno = agno; + agbulk.ab_aginop = &agino; + agbulk.ab_ubuffer = ubuffer; + agbulk.ab_icount = ubleft; + agbulk.ab_ocount = 0; + error = xfs_perag_bulkstat(mp, &agbulk, irbuf, nirbuf, + formatter, statstruct_size); + if (error) + break; + + ubleft -= agbulk.ab_ocount; + ASSERT(ubleft >= 0); + if (!ubleft) + break; + /* - * If we ran out of filesystem, mark lastino as off - * the end of the filesystem, so the next call - * will return immediately. + * No more inodes in current allocation group, however the user + * requires more. Proceed to loop over the next one. */ - *lastinop = (xfs_ino_t)XFS_AGINO_TO_INO(mp, agno, 0); + agino = 0; + } while (++agno < mp->m_sb.sb_agcount); + + kmem_free(irbuf); + + if (!error) { + *ubcountp -= ubleft; + *lastinop = XFS_AGINO_TO_INO(mp, agno, agino); *done = 1; - } else - *lastinop = (xfs_ino_t)lastino; + } - return rval; + return error; } /* diff --git a/fs/xfs/xfs_itable.h b/fs/xfs/xfs_itable.h index d3e004e..0488960 100644 --- a/fs/xfs/xfs_itable.h +++ b/fs/xfs/xfs_itable.h @@ -47,6 +47,26 @@ xfs_bulkstat_ag_ichunk( struct xfs_bulkstat_agichunk *acp); /* + * Structures returned stat information in bulk (by-inode) per AG. + */ +struct xfs_agbulkstat { + xfs_agnumber_t ab_agno; /* AG number */ + xfs_agino_t *ab_aginop; /* last agino returned */ + char __user *ab_ubuffer; /* pointer into user's buffer */ + __uint32_t ab_icount; /* count of entries in buffer */ + __uint32_t ab_ocount; /* output counter */ +}; + +int +xfs_perag_bulkstat( + struct xfs_mount *mp, + struct xfs_agbulkstat *agbulkp, + struct xfs_inobt_rec_incore *irbuf, + size_t nirbuf, + bulkstat_one_pf formatter, + size_t statstruct_size); + +/* * Values for stat return value. */ #define BULKSTAT_RV_NOTHING 0 -- 1.8.3.2 From jeff.liu@oracle.com Thu Apr 17 19:59:08 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 488A27F8A for ; Thu, 17 Apr 2014 19:59:08 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id D9555AC001 for ; Thu, 17 Apr 2014 17:59:07 -0700 (PDT) X-ASG-Debug-ID: 1397782745-04bdf04555137fb0001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id FLtyd6VxxEB7Zf4E (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Thu, 17 Apr 2014 17:59:06 -0700 (PDT) X-Barracuda-Envelope-From: jeff.liu@oracle.com X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from ucsinet22.oracle.com (ucsinet22.oracle.com [156.151.31.94]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id s3I0x4Dl016458 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Fri, 18 Apr 2014 00:59:05 GMT Received: from aserz7021.oracle.com (aserz7021.oracle.com [141.146.126.230]) by ucsinet22.oracle.com (8.14.5+Sun/8.14.5) with ESMTP id s3I0x3a8025545 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Fri, 18 Apr 2014 00:59:04 GMT Received: from abhmp0015.oracle.com (abhmp0015.oracle.com [141.146.116.21]) by aserz7021.oracle.com (8.14.4+Sun/8.14.4) with ESMTP id s3I0x3fx021160 for ; Fri, 18 Apr 2014 00:59:03 GMT Received: from [192.168.1.101] (/218.58.144.70) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 17 Apr 2014 17:59:03 -0700 Message-ID: <535078D4.4000802@oracle.com> Date: Fri, 18 Apr 2014 08:59:00 +0800 From: Jeff Liu User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.1.0 MIME-Version: 1.0 To: "xfs@oss.sgi.com" Subject: [PATCH v2 10/10] xfs: isolate xfs_qm_quotacheck to its source file Content-Type: text/plain; charset=ISO-8859-1 X-ASG-Orig-Subj: [PATCH v2 10/10] xfs: isolate xfs_qm_quotacheck to its source file Content-Transfer-Encoding: 7bit X-Source-IP: ucsinet22.oracle.com [156.151.31.94] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1397782746 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5023 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- From: Jie Liu Isolate xfs_qm_quotacheck() to xfs_qm.c as there is no other users of it. Signed-off-by: Jie Liu --- fs/xfs/xfs_qm.c | 189 ++++++++++++++++++++++++++++---------------------------- fs/xfs/xfs_qm.h | 1 - 2 files changed, 94 insertions(+), 96 deletions(-) diff --git a/fs/xfs/xfs_qm.c b/fs/xfs/xfs_qm.c index 348e4d2..4c70732 100644 --- a/fs/xfs/xfs_qm.c +++ b/fs/xfs/xfs_qm.c @@ -272,100 +272,6 @@ xfs_qm_unmount( } } - -/* - * This is called from xfs_mountfs to start quotas and initialize all - * necessary data structures like quotainfo. This is also responsible for - * running a quotacheck as necessary. We are guaranteed that the superblock - * is consistently read in at this point. - * - * If we fail here, the mount will continue with quota turned off. We don't - * need to inidicate success or failure at all. - */ -void -xfs_qm_mount_quotas( - xfs_mount_t *mp) -{ - int error = 0; - uint sbf; - - /* - * If quotas on realtime volumes is not supported, we disable - * quotas immediately. - */ - if (mp->m_sb.sb_rextents) { - xfs_notice(mp, "Cannot turn on quotas for realtime filesystem"); - mp->m_qflags = 0; - goto write_changes; - } - - ASSERT(XFS_IS_QUOTA_RUNNING(mp)); - - /* - * Allocate the quotainfo structure inside the mount struct, and - * create quotainode(s), and change/rev superblock if necessary. - */ - error = xfs_qm_init_quotainfo(mp); - if (error) { - /* - * We must turn off quotas. - */ - ASSERT(mp->m_quotainfo == NULL); - mp->m_qflags = 0; - goto write_changes; - } - /* - * If any of the quotas are not consistent, do a quotacheck. - */ - if (XFS_QM_NEED_QUOTACHECK(mp)) { - error = xfs_qm_quotacheck(mp); - if (error) { - /* Quotacheck failed and disabled quotas. */ - return; - } - } - /* - * If one type of quotas is off, then it will lose its - * quotachecked status, since we won't be doing accounting for - * that type anymore. - */ - if (!XFS_IS_UQUOTA_ON(mp)) - mp->m_qflags &= ~XFS_UQUOTA_CHKD; - if (!XFS_IS_GQUOTA_ON(mp)) - mp->m_qflags &= ~XFS_GQUOTA_CHKD; - if (!XFS_IS_PQUOTA_ON(mp)) - mp->m_qflags &= ~XFS_PQUOTA_CHKD; - - write_changes: - /* - * We actually don't have to acquire the m_sb_lock at all. - * This can only be called from mount, and that's single threaded. XXX - */ - spin_lock(&mp->m_sb_lock); - sbf = mp->m_sb.sb_qflags; - mp->m_sb.sb_qflags = mp->m_qflags & XFS_MOUNT_QUOTA_ALL; - spin_unlock(&mp->m_sb_lock); - - if (sbf != (mp->m_qflags & XFS_MOUNT_QUOTA_ALL)) { - if (xfs_qm_write_sb_changes(mp, XFS_SB_QFLAGS)) { - /* - * We could only have been turning quotas off. - * We aren't in very good shape actually because - * the incore structures are convinced that quotas are - * off, but the on disk superblock doesn't know that ! - */ - ASSERT(!(XFS_IS_QUOTA_RUNNING(mp))); - xfs_alert(mp, "%s: Superblock update failed!", - __func__); - } - } - - if (error) { - xfs_warn(mp, "Failed to initialize disk quotas."); - return; - } -} - /* * Called from the vfsops layer. */ @@ -1501,7 +1407,7 @@ out_unlock: * Walk thru all the filesystem inodes and construct a consistent view * of the disk quota world. If the quotacheck fails, disable quotas. */ -int +STATIC int xfs_qm_quotacheck( xfs_mount_t *mp) { @@ -1638,6 +1544,99 @@ xfs_qm_quotacheck( } /* + * This is called from xfs_mountfs to start quotas and initialize all + * necessary data structures like quotainfo. This is also responsible for + * running a quotacheck as necessary. We are guaranteed that the superblock + * is consistently read in at this point. + * + * If we fail here, the mount will continue with quota turned off. We don't + * need to inidicate success or failure at all. + */ +void +xfs_qm_mount_quotas( + struct xfs_mount *mp) +{ + int error = 0; + uint sbf; + + /* + * If quotas on realtime volumes is not supported, we disable + * quotas immediately. + */ + if (mp->m_sb.sb_rextents) { + xfs_notice(mp, "Cannot turn on quotas for realtime filesystem"); + mp->m_qflags = 0; + goto write_changes; + } + + ASSERT(XFS_IS_QUOTA_RUNNING(mp)); + + /* + * Allocate the quotainfo structure inside the mount struct, and + * create quotainode(s), and change/rev superblock if necessary. + */ + error = xfs_qm_init_quotainfo(mp); + if (error) { + /* + * We must turn off quotas. + */ + ASSERT(mp->m_quotainfo == NULL); + mp->m_qflags = 0; + goto write_changes; + } + /* + * If any of the quotas are not consistent, do a quotacheck. + */ + if (XFS_QM_NEED_QUOTACHECK(mp)) { + error = xfs_qm_quotacheck(mp); + if (error) { + /* Quotacheck failed and disabled quotas. */ + return; + } + } + /* + * If one type of quotas is off, then it will lose its + * quotachecked status, since we won't be doing accounting for + * that type anymore. + */ + if (!XFS_IS_UQUOTA_ON(mp)) + mp->m_qflags &= ~XFS_UQUOTA_CHKD; + if (!XFS_IS_GQUOTA_ON(mp)) + mp->m_qflags &= ~XFS_GQUOTA_CHKD; + if (!XFS_IS_PQUOTA_ON(mp)) + mp->m_qflags &= ~XFS_PQUOTA_CHKD; + + write_changes: + /* + * We actually don't have to acquire the m_sb_lock at all. + * This can only be called from mount, and that's single threaded. XXX + */ + spin_lock(&mp->m_sb_lock); + sbf = mp->m_sb.sb_qflags; + mp->m_sb.sb_qflags = mp->m_qflags & XFS_MOUNT_QUOTA_ALL; + spin_unlock(&mp->m_sb_lock); + + if (sbf != (mp->m_qflags & XFS_MOUNT_QUOTA_ALL)) { + if (xfs_qm_write_sb_changes(mp, XFS_SB_QFLAGS)) { + /* + * We could only have been turning quotas off. + * We aren't in very good shape actually because + * the incore structures are convinced that quotas are + * off, but the on disk superblock doesn't know that ! + */ + ASSERT(!(XFS_IS_QUOTA_RUNNING(mp))); + xfs_alert(mp, "%s: Superblock update failed!", + __func__); + } + } + + if (error) { + xfs_warn(mp, "Failed to initialize disk quotas."); + return; + } +} + +/* * This is called after the superblock has been read in and we're ready to * iget the quota inodes. */ diff --git a/fs/xfs/xfs_qm.h b/fs/xfs/xfs_qm.h index 797fd46..3a07a93 100644 --- a/fs/xfs/xfs_qm.h +++ b/fs/xfs/xfs_qm.h @@ -157,7 +157,6 @@ struct xfs_dquot_acct { #define XFS_QM_RTBWARNLIMIT 5 extern void xfs_qm_destroy_quotainfo(struct xfs_mount *); -extern int xfs_qm_quotacheck(struct xfs_mount *); extern int xfs_qm_write_sb_changes(struct xfs_mount *, __int64_t); /* dquot stuff */ -- 1.8.3.2 From fdmanana@gmail.com Thu Apr 17 21:38:45 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=FREEMAIL_FROM,T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 003D47F53 for ; Thu, 17 Apr 2014 21:38:43 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 75AD4AC003 for ; Thu, 17 Apr 2014 19:38:39 -0700 (PDT) X-ASG-Debug-ID: 1397788717-04cb6c2439133e90001-NocioJ Received: from mail-wi0-f177.google.com (mail-wi0-f177.google.com [209.85.212.177]) by cuda.sgi.com with ESMTP id ENZ87xHNXozTmJoI (version=TLSv1 cipher=RC4-SHA bits=128 verify=NO) for ; Thu, 17 Apr 2014 19:38:37 -0700 (PDT) X-Barracuda-Envelope-From: fdmanana@gmail.com X-Barracuda-Apparent-Source-IP: 209.85.212.177 X-Barracuda-IPDD: Level1 [gmail.com/209.85.212.177] Received: by mail-wi0-f177.google.com with SMTP id cc10so248241wib.10 for ; Thu, 17 Apr 2014 19:38:36 -0700 (PDT) X-Barracuda-IPDD: Level1 [gmail.com/209.85.212.177] X-Barracuda-IPDD: Level1 [gmail.com/209.85.212.177] DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:to:cc:subject:date:message-id; bh=CD+sbRaKlU60p2Nu2pz2gdbl1bEVkfQxoRe6hGwQn6g=; b=IANmlqymJ99G2cUxPADTBsTlxGnDd5sFQGIhRmizYvrDiTSXvvKsFMEzWTOanbmuqE DH4XoMgu4stUwer4opuvpqgtESYFeTu3J1T8B7A8vGFjAst0TPxTqsG2uR6hqrRKgTBV ulYjP5X6XL2hPQKeZOeRLqubi7VWUBmcJgSvw9kVOtYlzf+aO54t7RxgbEidARnf4qiu We6jl3vR4pDvoUIEAIfu5N0zg9AZoi9Hzyi1DZ9UbGl7GI1KTzOCeyMDjNoga5x36U+a NtX/y2tzLbfmA3KwNG5grRVdCYsmeWaNh3J1CBLe+0A6ovoZpGM5ViHzzlkiFREVzUd0 Ak9g== X-Received: by 10.180.93.226 with SMTP id cx2mr574897wib.16.1397788716752; Thu, 17 Apr 2014 19:38:36 -0700 (PDT) Received: from debian-vm3.lan (bl10-198-83.dsl.telepac.pt. [85.243.198.83]) by mx.google.com with ESMTPSA id ct2sm41522071wjb.33.2014.04.17.19.38.35 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Thu, 17 Apr 2014 19:38:35 -0700 (PDT) From: Filipe David Borba Manana To: xfs@oss.sgi.com Cc: linux-btrfs@vger.kernel.org, jbacik@fb.com, Filipe David Borba Manana Subject: [PATCH] xfstests: btrfs/004, fix filefrag filter for files with 1 block only Date: Fri, 18 Apr 2014 04:34:23 +0100 X-ASG-Orig-Subj: [PATCH] xfstests: btrfs/004, fix filefrag filter for files with 1 block only Message-Id: <1397792063-3660-1-git-send-email-fdmanana@gmail.com> X-Mailer: git-send-email 1.9.1 X-Barracuda-Connect: mail-wi0-f177.google.com[209.85.212.177] X-Barracuda-Start-Time: 1397788717 X-Barracuda-Encrypted: RC4-SHA X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=DKIM_SIGNED, DKIM_VERIFIED X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5025 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- -0.00 DKIM_VERIFIED Domain Keys Identified Mail: signature passes verification 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature If the file consists of a single block, then filefrag mentions '1 block of ...', and the filter expected 'blocks of ...'. Example: $ echo qwerty > foobar $ filefrag -v foobar Filesystem type is: ef53 File size of foobar is 7 (1 block of 4096 bytes) ext: logical_offset: physical_offset: length: expected: flags: 0: 0.. 0: 0.. 0: 1: unknown,delalloc,eof foobar: 1 extent found Signed-off-by: Filipe David Borba Manana --- tests/btrfs/004 | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tests/btrfs/004 b/tests/btrfs/004 index 211d8bc..670e1c2 100755 --- a/tests/btrfs/004 +++ b/tests/btrfs/004 @@ -58,7 +58,7 @@ _require_command "/usr/sbin/filefrag" rm -f $seqres.full FILEFRAG_FILTER=' - if (/blocks of (\d+) bytes/) { + if (/blocks? of (\d+) bytes/) { $blocksize = $1; next } -- 1.9.1 From fdmanana@gmail.com Thu Apr 17 21:39:59 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=FREEMAIL_FROM,T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id B16E97F53 for ; Thu, 17 Apr 2014 21:39:59 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 898EC304039 for ; Thu, 17 Apr 2014 19:39:59 -0700 (PDT) X-ASG-Debug-ID: 1397788797-04cb6c2438133f70001-NocioJ Received: from mail-we0-f182.google.com (mail-we0-f182.google.com [74.125.82.182]) by cuda.sgi.com with ESMTP id 6vcvEzlFGJUeXIVz (version=TLSv1 cipher=RC4-SHA bits=128 verify=NO) for ; Thu, 17 Apr 2014 19:39:58 -0700 (PDT) X-Barracuda-Envelope-From: fdmanana@gmail.com X-Barracuda-Apparent-Source-IP: 74.125.82.182 Received: by mail-we0-f182.google.com with SMTP id p61so1154269wes.13 for ; Thu, 17 Apr 2014 19:39:56 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:to:cc:subject:date:message-id; bh=CpF0TNmYOSzbU0vanyp9OQyIllrczCNK7tdHi/NtpZY=; b=TFTI/HuosDHYyWoh/CoiA2Trx0PBH+DHZ6vfuHk9Xm0EX7BbRAJd3xIWq3WeThrjPp C8pznhRWhfS3RXBZrUsa49PtL44wHLz+ClV9HVL5ncKDrX824CckCg1Ce7hdrJ/i67oe GogN38U8wUYBzbEUOb3HuvfGGjyGXduNd4yCBkKsRWXIyzHWJhpdhqRGIuqZcQfMGJrt 3Ck1ubjbj8fa0Pd5HYn0jZof9Q6JwH3ezCuoyIREFfmfY8MS/3xMrbrDV4w5Cw6SmU9s cNMFyN7tE06Q1mbNaxq6BMmfEDe6m/lpRFQ+tnLtCkqlTHiA1XznE9azP2RYZVb75mXA BzIw== X-Received: by 10.194.109.227 with SMTP id hv3mr14685050wjb.10.1397788796648; Thu, 17 Apr 2014 19:39:56 -0700 (PDT) Received: from debian-vm3.lan (bl10-198-83.dsl.telepac.pt. [85.243.198.83]) by mx.google.com with ESMTPSA id b2sm487827wiz.15.2014.04.17.19.39.55 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Thu, 17 Apr 2014 19:39:55 -0700 (PDT) From: Filipe David Borba Manana To: xfs@oss.sgi.com Cc: linux-btrfs@vger.kernel.org, jbacik@fb.com, Filipe David Borba Manana Subject: [PATCH] xfstests: btrfs/004, fix failure with inlined file extents Date: Fri, 18 Apr 2014 04:39:46 +0100 X-ASG-Orig-Subj: [PATCH] xfstests: btrfs/004, fix failure with inlined file extents Message-Id: <1397792386-18316-1-git-send-email-fdmanana@gmail.com> X-Mailer: git-send-email 1.9.1 X-Barracuda-Connect: mail-we0-f182.google.com[74.125.82.182] X-Barracuda-Start-Time: 1397788797 X-Barracuda-Encrypted: RC4-SHA X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=DKIM_SIGNED, DKIM_VERIFIED X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5025 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- -0.00 DKIM_VERIFIED Domain Keys Identified Mail: signature passes verification 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature Files that consist of an inline extent, have the corresponding data in the filesystem btree and not on a dedicated extent. For such extents filefrag (fiemap) will report a physical location of 0 for that extent and set the 'inline' flag. The btrfs inspect-internal logical-resolve command will cause a lookup in the extent tree for the extent address we give it as an argument, which fails with errno ENOENT if it is 0. This error didn't happen always, as the test uses fsstress to generate a random filesystem, which needed to generate at least one file that could be inlined (content less than 4018 bytes). Example, taken from results/btrfs/004.full: # filefrag -v /home/fdmanana/btrfs-tests/scratch_1/snap1/p0/de/d1b/dcb/fb1 Filesystem type is: 9123683e File size of /home/fdmanana/btrfs-tests/scratch_1/snap1/p0/de/d1b/dcb/fb1 is 3860 (1 block of 4096 bytes) ext: logical_offset: physical_offset: length: expected: flags: 0: 0.. 4095: 0.. 4095: 4096: not_aligned,inline,eof 1: 280.. 344: 35190.. 35254: 65: 1: eof /home/fdmanana/btrfs-tests/scratch_1/snap1/p0/de/d1b/dcb/fb1: 2 extents found after filter: 0#0#0 0#0#0 # stat -c %i /home/fdmanana/btrfs-tests/scratch_1/snap1/p0/de/d1b/dcb/fb1 403 # /home/fdmanana/git/hub/btrfs-progs/btrfs inspect-internal logical-resolve -P 0 /home/fdmanana/btrfs-tests/scratch_1 ioctl ret=-1, error: No such file or directory Signed-off-by: Filipe David Borba Manana --- tests/btrfs/004 | 34 +++++++++++++++++++++++----------- 1 file changed, 23 insertions(+), 11 deletions(-) diff --git a/tests/btrfs/004 b/tests/btrfs/004 index 670e1c2..1d5b816 100755 --- a/tests/btrfs/004 +++ b/tests/btrfs/004 @@ -65,9 +65,11 @@ FILEFRAG_FILTER=' ($ext, $logical, $physical, $length) = (/^\s*(\d+):\s+(\d+)..\s+\d+:\s+(\d+)..\s+\d+:\s+(\d+):/) or next; + ($flags) = /.*:\s*(\S*)$/; print $physical * $blocksize, "#", $length * $blocksize, "#", - $logical * $blocksize, " "' + $logical * $blocksize, "#", + $flags, " "' # this makes filefrag output script readable by using a perl helper. # output is one extent per line, with three numbers separated by '#' @@ -230,16 +232,26 @@ workout() continue; fi for i in $extents; do - physical=$i - length=$i - logical=$i - physical=`echo $physical | sed -e 's/#.*//'` - length=`echo $length | sed -e 's/[^#]+#//'` - length=`echo $length | sed -e 's/#.*//'` - logical=`echo $logical | sed -e 's/.*#//'` - _btrfs_inspect_check $file $physical $length $logical \ - $snap_name - ret=$? + physical=`echo $i | cut -d '#' -f 1` + length=`echo $i | cut -d '#' -f 2` + logical=`echo $i | cut -d '#' -f 3` + flags=`echo $i | cut -d '#' -f 4` + # Skip inline extents, otherwise btrfs inspect-internal + # logical-resolve will fail (with errno ENOENT), as it + # can't find an extent with a start address of 0 in the + # extent tree. + if [ $physical -eq 0 ]; then + echo "$flags" | grep -E '(^|,)inline(,|$)' \ + > /dev/null + ret=$? + if [ $ret -ne 0 ]; then + echo "Unexpected physical address 0 for non-inline extent, file $file, flags $flags" + fi + else + _btrfs_inspect_check $file $physical $length \ + $logical $snap_name + ret=$? + fi if [ $ret -ne 0 ]; then errcnt=`expr $errcnt + 1` fi -- 1.9.1 From kzak@redhat.com Fri Apr 18 05:52:45 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 16F767F56 for ; Fri, 18 Apr 2014 05:52:45 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id BF209AC001 for ; Fri, 18 Apr 2014 03:52:41 -0700 (PDT) X-ASG-Debug-ID: 1397818357-04bdf04554148ee0001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id CxW8f7076SX58uvu for ; Fri, 18 Apr 2014 03:52:37 -0700 (PDT) X-Barracuda-Envelope-From: kzak@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx10.intmail.prod.int.phx2.redhat.com (int-mx10.intmail.prod.int.phx2.redhat.com [10.5.11.23]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3IAqXWQ016507 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 18 Apr 2014 06:52:34 -0400 Received: from x2.net.home (ovpn-113-60.phx2.redhat.com [10.3.113.60]) by int-mx10.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s3IAqW4V003236; Fri, 18 Apr 2014 06:52:33 -0400 Date: Fri, 18 Apr 2014 12:52:32 +0200 From: Karel Zak To: Dongsu Park Cc: Namjae Jeon , linux-fsdevel@vger.kernel.org, xfs@oss.sgi.com, linux-ext4@vger.kernel.org, tytso@mit.edu, Lukas Czerner , Namjae Jeon , Ashish Sangwan Subject: Re: [PATCH v2] util-linux/fallocate: introduce an option -c to support COLLAPSE_RANGE Message-ID: <20140418105232.GJ5786@x2.net.home> X-ASG-Orig-Subj: Re: [PATCH v2] util-linux/fallocate: introduce an option -c to support COLLAPSE_RANGE References: <1393497307-9205-1-git-send-email-dongsu.park@profitbricks.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1393497307-9205-1-git-send-email-dongsu.park@profitbricks.com> User-Agent: Mutt/1.5.22.1 (2013-10-16) X-Scanned-By: MIMEDefang 2.68 on 10.5.11.23 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1397818357 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Thu, Feb 27, 2014 at 11:35:07AM +0100, Dongsu Park wrote: > sys-utils/fallocate.1 | 7 +++++++ > sys-utils/fallocate.c | 45 ++++++++++++++++++++++++++++----------------- > 2 files changed, 35 insertions(+), 17 deletions(-) Applied, thanks. -- Karel Zak http://karelzak.blogspot.com From webmaster@getit19.livemailz.com Fri Apr 18 08:17:16 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: ** X-Spam-Status: No, score=2.2 required=5.0 tests=HTML_IMAGE_RATIO_02, HTML_MESSAGE,RCVD_NUMERIC_HELO,T_DKIM_INVALID autolearn=no version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id C60A07F58 for ; 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=0AAmol=0A --b1_15d93cc2496a8f1be5e166e19f26118c-- From BATV+eabb55d153540696a9a3+3890+infradead.org+hch@bombadil.srs.infradead.org Fri Apr 18 11:39:32 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id BC6AE7F54 for ; Fri, 18 Apr 2014 11:39:32 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 4670CAC009 for ; Fri, 18 Apr 2014 09:39:28 -0700 (PDT) X-ASG-Debug-ID: 1397839163-04cbb06e9a15cd40001-NocioJ Received: from bombadil.infradead.org ([198.137.202.9]) by cuda.sgi.com with ESMTP id YVKMVxa8h7TjlPes (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Fri, 18 Apr 2014 09:39:23 -0700 (PDT) X-Barracuda-Envelope-From: BATV+eabb55d153540696a9a3+3890+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.80.1 #2 (Red Hat Linux)) id 1WbBou-0004yr-Os; Fri, 18 Apr 2014 16:39:20 +0000 Date: Fri, 18 Apr 2014 09:39:20 -0700 From: Christoph Hellwig To: Andreas Gruenbacher Cc: Christoph Hellwig , Brian Foster , linux-man@vger.kernel.org, xfs@oss.sgi.com, linux-security-module@vger.kernel.org, Al Viro , linux-fsdevel@vger.kernel.org, linux-ext4@vger.kernel.org Subject: Re: [PATCH v2 1/2] xfs: fix tmpfile/selinux deadlock and initialize security/acl Message-ID: <20140418163920.GB13808@infradead.org> X-ASG-Orig-Subj: Re: [PATCH v2 1/2] xfs: fix tmpfile/selinux deadlock and initialize security/acl References: <1397071311-28371-1-git-send-email-bfoster@redhat.com> <1397071311-28371-2-git-send-email-bfoster@redhat.com> <20140410102421.GA17641@infradead.org> <20140410121947.GA14124@bfoster.bfoster> <20140410122944.GA6579@infradead.org> <20140415175228.GE26404@infradead.org> <1188577823.463241.1397590262478.JavaMail.zimbra@linbit.com> <20140416111402.GA32350@infradead.org> <359356562.473582.1397669369258.JavaMail.zimbra@linbit.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <359356562.473582.1397669369258.JavaMail.zimbra@linbit.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html X-Barracuda-Connect: UNKNOWN[198.137.202.9] X-Barracuda-Start-Time: 1397839163 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.10 X-Barracuda-Spam-Status: No, SCORE=0.10 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=RDNS_NONE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5042 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.10 RDNS_NONE Delivered to trusted network by a host with no rDNS On Wed, Apr 16, 2014 at 07:29:29PM +0200, Andreas Gruenbacher wrote: > > Btw, I think the man page is wrong - given that the tmpfile is not > > visible in the namespace it is obviously not created in the directory. > > The directory passed in is just a handle for the filesystem it should be > > created in. > > I don't agree. If the file is created with O_TMPFILE | O_EXCL, it is clear > that the file will never be linked into the namespace. Even then, there are > operations which are affected by the inode permissions and label of the > anonymous file, and those should still behave reasonably. In this context, > I would expect them to behave as if the file was actually created in the > specified directory, not in the file system root or "nowhere" with no clearly > defined permissions and security label. So you want to define the files as being in a directory, but not actually visible? That's defintively a new and strange state to be in. > > Inheriting any ACL on creating an anonymous file seems utterly wrong. > > Why? Because it has no parent to inherit it from. 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[75.67.250.69]) by mx.google.com with ESMTPSA id 1sm35019996qal.29.2014.04.19.12.05.27 for (version=TLSv1.2 cipher=RC4-SHA bits=128/128); Sat, 19 Apr 2014 12:05:27 -0700 (PDT) Date: Sat, 19 Apr 2014 15:05:24 -0400 From: Eric Whitney To: xfs@oss.sgi.com Cc: linux-ext4@vger.kernel.org Subject: [PATCH] generic: fix check for zero range support in generic/009 Message-ID: <20140419190524.GA2116@wallace> X-ASG-Orig-Subj: [PATCH] generic: fix check for zero range support in generic/009 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: mail-qg0-f49.google.com[209.85.192.49] X-Barracuda-Start-Time: 1397934328 X-Barracuda-Encrypted: RC4-SHA X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.60 X-Barracuda-Spam-Status: No, SCORE=0.60 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=DKIM_SIGNED, DKIM_VERIFIED, MARKETING_SUBJECT X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5070 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.60 MARKETING_SUBJECT Subject contains popular marketing words -0.00 DKIM_VERIFIED Domain Keys Identified Mail: signature passes verification 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature Generic/001 fails when run on a file system that does not support byte range zeroing. For example, an EOPNOTSUPP failure occurs when the test is run on a pre-3.15 extent-mapped file system. The code in the test intended to prevent this contains an apparent typo that results in a check for fallocate() rather than zero range support. Signed-off-by: Eric Whitney --- tests/generic/009 | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tests/generic/009 b/tests/generic/009 index b7b0b3f..65abe3c 100644 --- a/tests/generic/009 +++ b/tests/generic/009 @@ -44,7 +44,7 @@ trap "_cleanup ; exit \$status" 0 1 2 3 15 # real QA test starts here _supported_os Linux -_require_xfs_io_falloc "fzero" +_require_xfs_io_command "fzero" testfile=$TEST_DIR/009.$$ -- 1.8.3.2 From enwlinux@gmail.com Sat Apr 19 14:08:20 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=FREEMAIL_FROM,T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id A0A4D7F58 for ; Sat, 19 Apr 2014 14:08:20 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id 839F7304039 for ; Sat, 19 Apr 2014 12:08:20 -0700 (PDT) X-ASG-Debug-ID: 1397934498-04bdf045521b9320001-NocioJ Received: from mail-qa0-f45.google.com (mail-qa0-f45.google.com [209.85.216.45]) by cuda.sgi.com with ESMTP id mBNiWDtLrHKgo52C (version=TLSv1 cipher=RC4-SHA bits=128 verify=NO) for ; Sat, 19 Apr 2014 12:08:19 -0700 (PDT) X-Barracuda-Envelope-From: enwlinux@gmail.com X-Barracuda-Apparent-Source-IP: 209.85.216.45 X-Barracuda-IPDD: Level1 [gmail.com/209.85.216.45] Received: by mail-qa0-f45.google.com with SMTP id cm18so2619826qab.32 for ; Sat, 19 Apr 2014 12:08:18 -0700 (PDT) X-Barracuda-IPDD: Level1 [gmail.com/209.85.216.45] X-Barracuda-IPDD: Level1 [gmail.com/209.85.216.45] DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=date:from:to:cc:subject:message-id:mime-version:content-type :content-disposition:user-agent; bh=PicNx70b+YaGn41Kv03fMGiuOb4RFUcLLJpRR4WoACM=; b=sEM0Ymu9mVvdCMptVmTtKr0TUZ8D/9/aznEDsEcNSWcKw2a/rL/OSIJwP/EFEQQ25t t88f2iOn3CmIb6FNSzY+jVjfo8kIqKVLovYax/spA5cDnCrndyODQwRO3oKb+hHmWf+o 3JVzEx0ZatGdBzztnzVp9R7AJ9ON6ZNgW5lfS9KnUEOcfQb14X2lhHbAW81j4ynfeWs8 XebX3fNP1Vi4P/zIJvqtktD8BQtW9QFOZHH4ND4XkO2O0Sk3idNWMA2PbOnsyGRHQ2Lp uCA6vxrrMWeZY+3eK0WGaZE1KHC7rcKiJXgz622BuJje3fFDfLdawIRt2PTnpdiSv0WO GHCg== X-Received: by 10.224.92.197 with SMTP id s5mr4332682qam.93.1397934498242; Sat, 19 Apr 2014 12:08:18 -0700 (PDT) Received: from wallace (c-75-67-250-69.hsd1.nh.comcast.net. [75.67.250.69]) by mx.google.com with ESMTPSA id j1sm57623174qan.32.2014.04.19.12.08.17 for (version=TLSv1.2 cipher=RC4-SHA bits=128/128); Sat, 19 Apr 2014 12:08:17 -0700 (PDT) Date: Sat, 19 Apr 2014 15:08:15 -0400 From: Eric Whitney To: xfs@oss.sgi.com Cc: linux-ext4@vger.kernel.org Subject: [PATCH] ext4: fix check for zero range support in ext4/001 Message-ID: <20140419190815.GB2116@wallace> X-ASG-Orig-Subj: [PATCH] ext4: fix check for zero range support in ext4/001 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: mail-qa0-f45.google.com[209.85.216.45] X-Barracuda-Start-Time: 1397934498 X-Barracuda-Encrypted: RC4-SHA X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=DKIM_SIGNED, DKIM_VERIFIED X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5070 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- -0.00 DKIM_VERIFIED Domain Keys Identified Mail: signature passes verification 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature Ext4/001 fails when run on a file system that does not support byte range zeroing. For example, an EOPNOTSUPP failure occurs when the test is run on a pre-3.15 extent-mapped file system. The code in the test intended to prevent this contains an apparent typo that results in a check for fallocate() rather than zero range support. Signed-off-by: Eric Whitney --- tests/ext4/001 | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tests/ext4/001 b/tests/ext4/001 index d575d9a..827d806 100755 --- a/tests/ext4/001 +++ b/tests/ext4/001 @@ -45,7 +45,7 @@ trap "_cleanup ; exit \$status" 0 1 2 3 15 # real QA test starts here _supported_fs ext4 _supported_os Linux -_require_xfs_io_falloc "fzero" +_require_xfs_io_command "fzero" testfile=$TEST_DIR/001.$$ -- 1.8.3.2 From tytso@thunk.org Sat Apr 19 16:41:57 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id C42FC7F61 for ; Sat, 19 Apr 2014 16:41:57 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id 66F47AC005 for ; Sat, 19 Apr 2014 14:41:54 -0700 (PDT) X-ASG-Debug-ID: 1397943711-04bdf045551c06c0001-NocioJ Received: from imap.thunk.org (imap.thunk.org [74.207.234.97]) by cuda.sgi.com with ESMTP id 7HdQHWawX6EbUDVr (version=TLSv1 cipher=AES128-SHA bits=128 verify=NO) for ; Sat, 19 Apr 2014 14:41:52 -0700 (PDT) X-Barracuda-Envelope-From: tytso@thunk.org X-Barracuda-Apparent-Source-IP: 74.207.234.97 Received: from root (helo=closure.thunk.org) by imap.thunk.org with local-esmtp (Exim 4.80) (envelope-from ) id 1Wbd1C-0006JE-LE; Sat, 19 Apr 2014 21:41:50 +0000 Received: by closure.thunk.org (Postfix, from userid 15806) id DA4755804CE; Sat, 19 Apr 2014 17:41:49 -0400 (EDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=thunk.org; s=ef5046eb; t=1397943709; bh=dShqz82Vi8dy+mq0mKJN7XEzLa/9pOBvVcQAqhfQSkA=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=Y73cT6DRPb+RmCtPUIJEinvAD1pCHcuweUyQ8ZW990gFuEJFaszIIvnLCfpE0dTeY axImYArALrsLfppclj9SOBl84BLNkVTuf/w7se6L+a9Bx7octDzjJwTFxDnlirvh0f 2/urOShIqM3qU4towKeBS9UBvKEh6+ghR9vo311U= Date: Sat, 19 Apr 2014 17:41:49 -0400 From: Theodore Ts'o To: Eric Whitney Cc: xfs@oss.sgi.com, linux-ext4@vger.kernel.org Subject: Re: [PATCH] generic: fix check for zero range support in generic/009 Message-ID: <20140419214149.GA11494@thunk.org> X-ASG-Orig-Subj: Re: [PATCH] generic: fix check for zero range support in generic/009 References: <20140419190524.GA2116@wallace> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140419190524.GA2116@wallace> User-Agent: Mutt/1.5.23 (2014-03-12) X-SA-Exim-Connect-IP: X-SA-Exim-Mail-From: tytso@thunk.org X-SA-Exim-Scanned: No (on imap.thunk.org); SAEximRunCond expanded to false X-Barracuda-Connect: imap.thunk.org[74.207.234.97] X-Barracuda-Start-Time: 1397943712 X-Barracuda-Encrypted: AES128-SHA X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.60 X-Barracuda-Spam-Status: No, SCORE=0.60 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=DKIM_SIGNED, DKIM_VERIFIED, MARKETING_SUBJECT X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5073 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.60 MARKETING_SUBJECT Subject contains popular marketing words -0.00 DKIM_VERIFIED Domain Keys Identified Mail: signature passes verification 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature On Sat, Apr 19, 2014 at 03:05:24PM -0400, Eric Whitney wrote: > Generic/001 fails when run on a file system that does not support byte range > zeroing. For example, an EOPNOTSUPP failure occurs when the test is run > on a pre-3.15 extent-mapped file system. The code in the test intended > to prevent this contains an apparent typo that results in a check for > fallocate() rather than zero range support. > > Signed-off-by: Eric Whitney LGTM. Reviewed-by: "Theodore Ts'o" From tytso@thunk.org Sat Apr 19 16:42:06 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id A596129DFD for ; Sat, 19 Apr 2014 16:42:06 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 45E63AC009 for ; Sat, 19 Apr 2014 14:42:06 -0700 (PDT) X-ASG-Debug-ID: 1397943724-04cb6c24371b70c0001-NocioJ Received: from imap.thunk.org (imap.thunk.org [74.207.234.97]) by cuda.sgi.com with ESMTP id R6gFMMtY1M9CC24T (version=TLSv1 cipher=AES128-SHA bits=128 verify=NO) for ; Sat, 19 Apr 2014 14:42:04 -0700 (PDT) X-Barracuda-Envelope-From: tytso@thunk.org X-Barracuda-Apparent-Source-IP: 74.207.234.97 Received: from root (helo=closure.thunk.org) by imap.thunk.org with local-esmtp (Exim 4.80) (envelope-from ) id 1Wbd1Q-0006JT-2n; Sat, 19 Apr 2014 21:42:04 +0000 Received: by closure.thunk.org (Postfix, from userid 15806) id 56CAF5804CE; Sat, 19 Apr 2014 17:42:03 -0400 (EDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=thunk.org; s=ef5046eb; t=1397943723; bh=B6/2WyaOX4rU2Q7JR9I23BGEDtqBG/93lpkH3u/IRpQ=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=Xo5erak9C7Y6PbUbNyQwkolglyIs//GsvIMc0+Dd0zvYyVuIXO8hxhDp3ioDSRR3+ 1+5aqkGdCb86hsxF6qLaB+QaSTz6XSthD17h4ltjYy/G+bZRsRNTXfEwM2GK3VNo81 7KagzclNbx4ozaEZRQn+lKnLEClKksrFEbONc5JI= Date: Sat, 19 Apr 2014 17:42:03 -0400 From: Theodore Ts'o To: Eric Whitney Cc: xfs@oss.sgi.com, linux-ext4@vger.kernel.org Subject: Re: [PATCH] ext4: fix check for zero range support in ext4/001 Message-ID: <20140419214203.GB11494@thunk.org> X-ASG-Orig-Subj: Re: [PATCH] ext4: fix check for zero range support in ext4/001 References: <20140419190815.GB2116@wallace> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140419190815.GB2116@wallace> User-Agent: Mutt/1.5.23 (2014-03-12) X-SA-Exim-Connect-IP: X-SA-Exim-Mail-From: tytso@thunk.org X-SA-Exim-Scanned: No (on imap.thunk.org); SAEximRunCond expanded to false X-Barracuda-Connect: imap.thunk.org[74.207.234.97] X-Barracuda-Start-Time: 1397943724 X-Barracuda-Encrypted: AES128-SHA X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=DKIM_SIGNED, DKIM_VERIFIED X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5072 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- -0.00 DKIM_VERIFIED Domain Keys Identified Mail: signature passes verification 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature On Sat, Apr 19, 2014 at 03:08:15PM -0400, Eric Whitney wrote: > Ext4/001 fails when run on a file system that does not support byte range > zeroing. For example, an EOPNOTSUPP failure occurs when the test is run > on a pre-3.15 extent-mapped file system. The code in the test intended > to prevent this contains an apparent typo that results in a check for > fallocate() rather than zero range support. > > Signed-off-by: Eric Whitney LGTM Reviewed-by: "Theodore Ts'o" From david@fromorbit.com Sat Apr 19 19:56:54 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id AA8D17F55 for ; Sat, 19 Apr 2014 19:56:54 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id D79638F8035 for ; Sat, 19 Apr 2014 17:56:51 -0700 (PDT) X-ASG-Debug-ID: 1397955409-04cbb06e9b1be560001-NocioJ Received: from ipmail04.adl6.internode.on.net (ipmail04.adl6.internode.on.net [150.101.137.141]) by cuda.sgi.com with ESMTP id 2CC4acGMZzfbcvDP for ; Sat, 19 Apr 2014 17:56:49 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.141 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AoBmAAMaU1N5LEcvPGdsb2JhbABYgwaDZIUKolyZYoEZFwMBAQEBODWCJQEBBTocIxAIAw4KCSUPBQ0YAwcaE4gtAxDGJQ2GaxcWjDOBNWQHgySBFASXAIFtjH+JFCuBLA Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail04.adl6.internode.on.net with ESMTP; 20 Apr 2014 10:26:47 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1Wbg3q-0001ux-28; Sun, 20 Apr 2014 10:56:46 +1000 Date: Sun, 20 Apr 2014 10:56:46 +1000 From: Dave Chinner To: Eric Whitney Cc: xfs@oss.sgi.com, linux-ext4@vger.kernel.org Subject: Re: [PATCH] generic: fix check for zero range support in generic/009 Message-ID: <20140420005645.GB15995@dastard> X-ASG-Orig-Subj: Re: [PATCH] generic: fix check for zero range support in generic/009 References: <20140419190524.GA2116@wallace> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140419190524.GA2116@wallace> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail04.adl6.internode.on.net[150.101.137.141] X-Barracuda-Start-Time: 1397955409 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.60 X-Barracuda-Spam-Status: No, SCORE=0.60 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=MARKETING_SUBJECT X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5076 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.60 MARKETING_SUBJECT Subject contains popular marketing words On Sat, Apr 19, 2014 at 03:05:24PM -0400, Eric Whitney wrote: > Generic/001 fails when run on a file system that does not support byte range > zeroing. For example, an EOPNOTSUPP failure occurs when the test is run > on a pre-3.15 extent-mapped file system. The code in the test intended > to prevent this contains an apparent typo that results in a check for > fallocate() rather than zero range support. > > Signed-off-by: Eric Whitney > --- > tests/generic/009 | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/tests/generic/009 b/tests/generic/009 > index b7b0b3f..65abe3c 100644 > --- a/tests/generic/009 > +++ b/tests/generic/009 > @@ -44,7 +44,7 @@ trap "_cleanup ; exit \$status" 0 1 2 3 15 > > # real QA test starts here > _supported_os Linux > -_require_xfs_io_falloc "fzero" > +_require_xfs_io_command "fzero" There should be a helper in common/rc for this. i.e. _require_xfs_io_fzero. There's helpers for everything else. Can you add the helper and wire the tests up to it properly? Cheers, Dave. -- Dave Chinner david@fromorbit.com From fdmanana@gmail.com Sun Apr 20 08:18:18 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=FREEMAIL_FROM,T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id D70C77F57 for ; Sun, 20 Apr 2014 08:18:18 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id B19978F8037 for ; Sun, 20 Apr 2014 06:18:18 -0700 (PDT) X-ASG-Debug-ID: 1397999892-04bdf045551e4d30001-NocioJ Received: from mail-wi0-f182.google.com (mail-wi0-f182.google.com [209.85.212.182]) by cuda.sgi.com with ESMTP id 3QWreEjg5gKkDamn (version=TLSv1 cipher=RC4-SHA bits=128 verify=NO) for ; Sun, 20 Apr 2014 06:18:13 -0700 (PDT) X-Barracuda-Envelope-From: fdmanana@gmail.com X-Barracuda-Apparent-Source-IP: 209.85.212.182 X-Barracuda-IPDD: Level1 [gmail.com/209.85.212.182] Received: by mail-wi0-f182.google.com with SMTP id d1so1013888wiv.15 for ; Sun, 20 Apr 2014 06:18:12 -0700 (PDT) X-Barracuda-IPDD: Level1 [gmail.com/209.85.212.182] X-Barracuda-IPDD: Level1 [gmail.com/209.85.212.182] DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=NqXEnwSCy2PYJjXdElNXSyZuJA5rWpY18RwEGdpeNuc=; b=Fm4uKmm6p0hhoDGurMI1WYopnnLDfpYFjXg/yEK/bhjQYXdDr0xvQsu6xPihJ6KXQt TQe6eayDRfa903aGBMXoakCv7UqroeGoqZJqNf6DfF2Z5uZeFtw4nMnqb8nO074QFDzQ sjV89hwJQIwo3S3MDLNg8hzBEqSgPSGJ8b+bNghqSvSE2AlAcNT9B+douKSgsy/ZcxQA iBA55W4LyxuGICVUDbiPILFln3Ug6QSjnZHeWIkHMM4sllwYFDUcwfnlRObTtggA59oa Qye+8wg4QVWIBcRFdnvLX3MKYZVO/dGuwZWFondewa7hL2DEC3ZPeB0zZKziWXyF8YJK ffFg== X-Received: by 10.180.187.225 with SMTP id fv1mr10116072wic.14.1397999891853; Sun, 20 Apr 2014 06:18:11 -0700 (PDT) Received: from debian-vm3.lan (bl9-92-48.dsl.telepac.pt. [85.242.92.48]) by mx.google.com with ESMTPSA id h10sm9852514wix.2.2014.04.20.06.18.10 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Sun, 20 Apr 2014 06:18:10 -0700 (PDT) From: Filipe David Borba Manana To: xfs@oss.sgi.com Cc: linux-btrfs@vger.kernel.org, jbacik@fb.com, Filipe David Borba Manana Subject: [PATCH v4] xfstests: btrfs, test send's ability to punch holes and prealloc extents Date: Sun, 20 Apr 2014 15:17:03 +0100 X-ASG-Orig-Subj: [PATCH v4] xfstests: btrfs, test send's ability to punch holes and prealloc extents Message-Id: <1398003423-14200-1-git-send-email-fdmanana@gmail.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1397580201-27475-1-git-send-email-fdmanana@gmail.com> References: <1397580201-27475-1-git-send-email-fdmanana@gmail.com> X-Barracuda-Connect: mail-wi0-f182.google.com[209.85.212.182] X-Barracuda-Start-Time: 1397999893 X-Barracuda-Encrypted: RC4-SHA X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=DKIM_SIGNED, DKIM_VERIFIED X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5088 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- -0.00 DKIM_VERIFIED Domain Keys Identified Mail: signature passes verification 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature This test verifies that after an incremental btrfs send the replicated file has the same exact hole and data structure as in the origin filesystem. This didn't use to be the case before the send stream version 2 - holes were sent as write operations of 0 valued bytes instead of punching holes with the fallocate system call, and pre-allocated extents were sent as well as write operations of 0 valued bytes instead of intructions for the receiver to use the fallocate system call. It also checks that prealloc extents that lie beyond the file's size are replicated by an incremental send. Signed-off-by: Filipe David Borba Manana --- V2: Addressed Dave's comments, and updated btrfs send invocation, by specifying the new command line option (-a) that enables use of fallocate - added function _require_btrfs_send_fallocate_flag() to skip the test when an old version of btrfs-progs is found. V3: Corrected use of fiemap with _filter_fiemap. Was passing -l instead of -v to fiemap, which resulted in output consisting only of a single line related to a hole instead of all holes and data extents (and I wanted to verify the falloc -k extents were preserved after the btrfs send). V4: Updated invocation of btrfs send, as the flag -a was removed from btrfs-send in favour of --stream-version=version common/rc | 9 ++++ tests/btrfs/047 | 122 ++++++++++++++++++++++++++++++++++++++++++++++++++++ tests/btrfs/047.out | 35 +++++++++++++++ tests/btrfs/group | 1 + 4 files changed, 167 insertions(+) create mode 100755 tests/btrfs/047 create mode 100644 tests/btrfs/047.out diff --git a/common/rc b/common/rc index acf419b..a9d1c4c 100644 --- a/common/rc +++ b/common/rc @@ -2262,6 +2262,15 @@ _run_btrfs_util_prog() run_check $BTRFS_UTIL_PROG $* } +_require_btrfs_send_stream_version() +{ + $BTRFS_UTIL_PROG send 2>&1 | \ + grep '^[ \t]*\-\-stream\-version ' > /dev/null 2>&1 + if [ $? -ne 0 ]; then + _notrun "Missing btrfs-progs send --stream-version command line option, skipped this test" + fi +} + init_rc() { if [ "$iam" == new ] diff --git a/tests/btrfs/047 b/tests/btrfs/047 new file mode 100755 index 0000000..cc1936d --- /dev/null +++ b/tests/btrfs/047 @@ -0,0 +1,122 @@ +#! /bin/bash +# FS QA Test No. btrfs/047 +# +# Verify that after an incremental btrfs send the replicated file has +# the same exact hole and data structure as in the origin filesystem. +# This didn't use to be the case before the send stream version 2 - +# holes were sent as write operations of 0 valued bytes instead of punching +# holes with the fallocate system call, and pre-allocated extents were sent +# as well as write operations of 0 valued bytes instead of intructions for +# the receiver to use the fallocate system call. Also check that prealloc +# extents that lie beyond the file's size are replicated by an incremental +# send. +# +# More specifically, this structure preserving guarantee was added by the +# following linux kernel commits: +# +# Btrfs: send, use fallocate command to punch holes +# Btrfs: send, use fallocate command to allocate extents +# +#----------------------------------------------------------------------- +# Copyright (c) 2014 Filipe Manana. All Rights Reserved. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it would be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write the Free Software Foundation, +# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +#----------------------------------------------------------------------- +# + +seq=`basename $0` +seqres=$RESULT_DIR/$seq +echo "QA output created by $seq" + +tmp=/tmp/$$ +status=1 # failure is the default! +trap "_cleanup; exit \$status" 0 1 2 3 15 + +_cleanup() +{ + rm -fr $send_files_dir + rm -fr $tmp +} + +# get standard environment, filters and checks +. ./common/rc +. ./common/filter +. ./common/punch + +# real QA test starts here +_supported_fs btrfs +_supported_os Linux +_require_scratch +_require_fssum +_require_xfs_io_fiemap +_require_btrfs_send_stream_version +_need_to_be_root + +send_files_dir=$TEST_DIR/btrfs-test-$seq + +rm -f $seqres.full +rm -fr $send_files_dir +mkdir $send_files_dir + +_scratch_mkfs >/dev/null 2>&1 +_scratch_mount + +$XFS_IO_PROG -f -c "pwrite -S 0x01 -b 300000 0 300000" $SCRATCH_MNT/foo \ + | _filter_xfs_io + +_run_btrfs_util_prog subvolume snapshot -r $SCRATCH_MNT $SCRATCH_MNT/mysnap1 + +$XFS_IO_PROG -c "fpunch 100000 50000" $SCRATCH_MNT/foo +$XFS_IO_PROG -c "falloc 100000 50000" $SCRATCH_MNT/foo +$XFS_IO_PROG -c "pwrite -S 0xff -b 1000 120000 1000" $SCRATCH_MNT/foo \ + | _filter_xfs_io +$XFS_IO_PROG -c "fpunch 250000 20000" $SCRATCH_MNT/foo + +$XFS_IO_PROG -c "falloc -k 300000 1000000" $SCRATCH_MNT/foo +$XFS_IO_PROG -c "falloc -k 9000000 2000000" $SCRATCH_MNT/foo + +_run_btrfs_util_prog subvolume snapshot -r $SCRATCH_MNT $SCRATCH_MNT/mysnap2 + +_run_btrfs_util_prog send --stream-version 2 $SCRATCH_MNT/mysnap1 \ + -f $send_files_dir/1.snap +_run_btrfs_util_prog send --stream-version 2 -p $SCRATCH_MNT/mysnap1 \ + $SCRATCH_MNT/mysnap2 -f $send_files_dir/2.snap + +md5sum $SCRATCH_MNT/mysnap2/foo | _filter_scratch +# List all hole and data segments. +$XFS_IO_PROG -r -c "seek -r -a 0" $SCRATCH_MNT/mysnap2/foo +# List all extents, we're interested here in prealloc extents that lie beyond +# the file's size. +$XFS_IO_PROG -r -c "fiemap -v" $SCRATCH_MNT/mysnap2/foo | _filter_fiemap + +_scratch_unmount +_check_scratch_fs + +_scratch_mkfs >/dev/null 2>&1 +_scratch_mount + +_run_btrfs_util_prog receive $SCRATCH_MNT -f $send_files_dir/1.snap +_run_btrfs_util_prog receive $SCRATCH_MNT -f $send_files_dir/2.snap + +md5sum $SCRATCH_MNT/mysnap2/foo | _filter_scratch +# List all hole and data segments. +$XFS_IO_PROG -r -c "seek -r -a 0" $SCRATCH_MNT/mysnap2/foo +# List all extents, we're interested here in prealloc extents that lie beyond +# the file's size. +$XFS_IO_PROG -r -c "fiemap -v" $SCRATCH_MNT/mysnap2/foo | _filter_fiemap + +_check_scratch_fs + +status=0 +exit diff --git a/tests/btrfs/047.out b/tests/btrfs/047.out new file mode 100644 index 0000000..be39edc --- /dev/null +++ b/tests/btrfs/047.out @@ -0,0 +1,35 @@ +QA output created by 047 +wrote 300000/300000 bytes at offset 0 +XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) +wrote 1000/1000 bytes at offset 120000 +XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) +5a88aa0da62c8999c16515050947a70a SCRATCH_MNT/mysnap2/foo +Whence Result +DATA 0 +HOLE 102400 +DATA 118784 +HOLE 122880 +DATA 147456 +HOLE 253952 +DATA 266240 +HOLE 300000 +0: [0..495]: data +1: [496..519]: hole +2: [520..2543]: data +3: [2544..17575]: hole +4: [17576..21487]: data +5a88aa0da62c8999c16515050947a70a SCRATCH_MNT/mysnap2/foo +Whence Result +DATA 0 +HOLE 102400 +DATA 118784 +HOLE 122880 +DATA 147456 +HOLE 253952 +DATA 266240 +HOLE 300000 +0: [0..495]: data +1: [496..519]: hole +2: [520..2543]: data +3: [2544..17575]: hole +4: [17576..21487]: data diff --git a/tests/btrfs/group b/tests/btrfs/group index 3a6d34e..d4e3fc1 100644 --- a/tests/btrfs/group +++ b/tests/btrfs/group @@ -49,3 +49,4 @@ 044 auto quick 045 auto quick 046 auto quick +047 auto quick -- 1.9.1 From info@chipandcartridge.com Sun Apr 20 13:35:22 2014 Return-Path: X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 6B5197F55 for ; Sun, 20 Apr 2014 13:35:22 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id B1F89304032 for ; Sun, 20 Apr 2014 11:35:21 -0700 (PDT) X-ASG-Debug-ID: 1398018902-04bdf045521f7f30001-NocioJ Received: from mail.chipandcartridge.com ([61.79.251.163]) by cuda.sgi.com with ESMTP id KupeRPvlcl7jlcsR for ; Sun, 20 Apr 2014 11:35:02 -0700 (PDT) X-Barracuda-Envelope-From: info@chipandcartridge.com X-Barracuda-Apparent-Source-IP: 61.79.251.163 Received: from 192.168.0.179 [192.168.0.179] by mail.chipandcartridge.com with ESMTP (SMTPD32-8.10) id A34640D0076; Mon, 21 Apr 2014 03:34:46 +0900 From: =?ks_c_5601-1987?B?TXVoYW4gUHJpbnRpbmc=?= Reply-To: =?ks_c_5601-1987?B?TXVoYW4gUHJpbnRpbmcgU29sdXQ=?= =?ks_c_5601-1987?B?aW9u?= 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Mckenzie" Date: Sun, 20 Apr 2014 14:37:14 +0300 Reply-To: gloria.c.mckenzie@aol.com X-Qmail-Scanner-Message-ID: <139799388168618628@spicemail1> X-Barracuda-Connect: mailone.spicecorp.in[119.226.164.72] X-Barracuda-Start-Time: 1398023100 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 1.84 X-Barracuda-Spam-Status: No, SCORE=1.84 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, BSF_SC0_SA609_MID, BSF_SC0_SA_TO_FROM_ADDR_MATCH, HTML_MESSAGE, MISSING_MID X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5095 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.14 MISSING_MID Missing Message-Id: header 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 HTML_MESSAGE BODY: HTML included in message 0.50 BSF_SC0_SA_TO_FROM_ADDR_MATCH Sender Address Matches Recipient Address 1.20 BSF_SC0_SA609_MID Custom Rule SA609_MID Message-Id: <20140420194506.2441D1296190@cuda.sgi.com> You will not see this in a MIME-aware mail reader. --===============1899534156== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Description: Mail message body I have a donation for you, contact me on gloria.c.mckenzie@aol.com for more= info. 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I have a donation for you, contact me on gloria.c.mckenzie@aol.com for mor= e info. It is important that you add my e-mail address (gloria.c.mckenzie@aol.com) to your address bo= ok so you can receive further update from me.

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Thank you From BATV+5fbe208480bd3b8f8894+3893+infradead.org+hch@bombadil.srs.infradead.org Mon Apr 21 01:57:57 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 1F6057F4E for ; Mon, 21 Apr 2014 01:57:57 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 9D6A6AC001 for ; Sun, 20 Apr 2014 23:57:55 -0700 (PDT) X-ASG-Debug-ID: 1398063473-04cb6c243820af50001-NocioJ Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) by cuda.sgi.com with ESMTP id oB0x3LEmKnWZntB8 (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Sun, 20 Apr 2014 23:57:53 -0700 (PDT) X-Barracuda-Envelope-From: BATV+5fbe208480bd3b8f8894+3893+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.80.1 #2 (Red Hat Linux)) id 1Wc8Al-0006O1-06; Mon, 21 Apr 2014 06:57:47 +0000 Date: Sun, 20 Apr 2014 23:57:46 -0700 From: Christoph Hellwig To: Dave Chinner Cc: Steven Rostedt , Christoph Hellwig , Eric Sandeen , xfs-oss Subject: Re: [PATCH 2/2] xfs: Nuke XFS_ERROR macro Message-ID: <20140421065746.GA20384@infradead.org> X-ASG-Orig-Subj: Re: [PATCH 2/2] xfs: Nuke XFS_ERROR macro References: <534EC073.8090006@sandeen.net> <534EC282.7010905@sandeen.net> <20140416175117.GA23643@infradead.org> <534EC42D.1080704@sandeen.net> <534ED5E4.60903@sandeen.net> <20140416220807.GN15995@dastard> <20140416194444.50176f0f@gandalf.local.home> <20140417003956.GS15995@dastard> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140417003956.GS15995@dastard> User-Agent: Mutt/1.5.21 (2010-09-15) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html X-Barracuda-Connect: bombadil.infradead.org[198.137.202.9] X-Barracuda-Start-Time: 1398063473 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5108 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Thu, Apr 17, 2014 at 10:39:56AM +1000, Dave Chinner wrote: > so, basically a script that does: > > #!/bin/bash > > TRACEDIR=/sys/kernel/debug/tracing > > grep -i 't xfs_' /proc/kallsyms | awk '{print $3}' ; while read F; do > echo "r:ret_$F $F \$retval" >> $TRACEDIR/kprobe_events > done > > for E in $TRACEDIR/events/kprobes/ret_xfs_*/enable; do > echo 1 > $E > done; > > echo 'arg1 > 0xffffffffffffff00' > $TRACEDIR/events/kprobes/filter > > for T in $TRACEDIR/events/kprobes/ret_xfs_*/trigger; do > echo 'traceoff if arg1 > 0xffffffffffffff00' > $T > done This looks incredibly useful! Can we throw this into Documentation/ as a helper script (and make the xfs a command line parameter so it's genericly useful)? One think that would be nice is to specify a module instead of relying on a clean namespace, but to replace the XFS functionality the one above is more than enough. From BATV+5fbe208480bd3b8f8894+3893+infradead.org+hch@bombadil.srs.infradead.org Mon Apr 21 01:58:10 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 1AFFA7F4E for ; Mon, 21 Apr 2014 01:58:10 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id ACE27AC001 for ; Sun, 20 Apr 2014 23:58:09 -0700 (PDT) X-ASG-Debug-ID: 1398063488-04bdf04555214530001-NocioJ Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) by cuda.sgi.com with ESMTP id Z0cb06AnZA8XdvBf (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Sun, 20 Apr 2014 23:58:08 -0700 (PDT) X-Barracuda-Envelope-From: BATV+5fbe208480bd3b8f8894+3893+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.80.1 #2 (Red Hat Linux)) id 1Wc8B6-0006OM-O3; Mon, 21 Apr 2014 06:58:08 +0000 Date: Sun, 20 Apr 2014 23:58:08 -0700 From: Christoph Hellwig To: Eric Sandeen Cc: xfs-oss Subject: Re: [PATCH 1/2] xfs: return is not a function Message-ID: <20140421065808.GB20384@infradead.org> X-ASG-Orig-Subj: Re: [PATCH 1/2] xfs: return is not a function References: <534EC073.8090006@sandeen.net> <534EC173.7010903@sandeen.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <534EC173.7010903@sandeen.net> User-Agent: Mutt/1.5.21 (2010-09-15) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html X-Barracuda-Connect: bombadil.infradead.org[198.137.202.9] X-Barracuda-Start-Time: 1398063488 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5108 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Wed, Apr 16, 2014 at 12:44:19PM -0500, Eric Sandeen wrote: > return is not a function. "return(EIO);" is silly; > "return (EIO);" moreso. return is not a function. > Nuke the pointless parens. > > Signed-off-by: Eric Sandeen Looks good, Reviewed-by: Christoph Hellwig From BATV+5fbe208480bd3b8f8894+3893+infradead.org+hch@bombadil.srs.infradead.org Mon Apr 21 02:00:11 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 0B15A7F4E for ; Mon, 21 Apr 2014 02:00:11 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id 9475EAC001 for ; Mon, 21 Apr 2014 00:00:10 -0700 (PDT) X-ASG-Debug-ID: 1398063609-04bdf04554214600001-NocioJ Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) by cuda.sgi.com with ESMTP id q1DsV1BRxaRYAqDI (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Mon, 21 Apr 2014 00:00:09 -0700 (PDT) X-Barracuda-Envelope-From: BATV+5fbe208480bd3b8f8894+3893+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.80.1 #2 (Red Hat Linux)) id 1Wc8D3-0007TP-53; Mon, 21 Apr 2014 07:00:09 +0000 Date: Mon, 21 Apr 2014 00:00:09 -0700 From: Christoph Hellwig To: Dave Chinner Cc: xfs@oss.sgi.com Subject: Re: [PATCH 1/9] db: don't claim unchecked CRCs are correct Message-ID: <20140421070009.GC20384@infradead.org> X-ASG-Orig-Subj: Re: [PATCH 1/9] db: don't claim unchecked CRCs are correct References: <1397550301-31883-1-git-send-email-david@fromorbit.com> <1397550301-31883-2-git-send-email-david@fromorbit.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1397550301-31883-2-git-send-email-david@fromorbit.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html X-Barracuda-Connect: bombadil.infradead.org[198.137.202.9] X-Barracuda-Start-Time: 1398063609 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5108 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- > + switch (iocur_crc_valid()) { > + case -1: > + ok = "unchecked"; > + break; > + case 0: > + ok = "bad"; > + break; > + case 1: > + ok = "correct"; > + break; > + default: > + ok = "unknown state"; > + break; > + } We should have symbolic constants for these return values. But then again iocur_crc_valid only has a single caller currently, is it even worth the effort, or should we simply inline it? Otherwise looks good, Reviewed-by: Christoph Hellwig From BATV+5fbe208480bd3b8f8894+3893+infradead.org+hch@bombadil.srs.infradead.org Mon Apr 21 02:03:00 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 612B17F4E for ; Mon, 21 Apr 2014 02:03:00 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id 4EF31304032 for ; Mon, 21 Apr 2014 00:02:57 -0700 (PDT) X-ASG-Debug-ID: 1398063772-04cbb06e9d2093a0001-NocioJ Received: from bombadil.infradead.org ([198.137.202.9]) by cuda.sgi.com with ESMTP id UoPBDTjPHeZSXw0R (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Mon, 21 Apr 2014 00:02:53 -0700 (PDT) X-Barracuda-Envelope-From: BATV+5fbe208480bd3b8f8894+3893+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.80.1 #2 (Red Hat Linux)) id 1Wc8Fg-0007Vw-L2; Mon, 21 Apr 2014 07:02:52 +0000 Date: Mon, 21 Apr 2014 00:02:52 -0700 From: Christoph Hellwig To: Dave Chinner Cc: xfs@oss.sgi.com Subject: Re: [PATCH 2/9] db: verify buffer on type change Message-ID: <20140421070252.GD20384@infradead.org> X-ASG-Orig-Subj: Re: [PATCH 2/9] db: verify buffer on type change References: <1397550301-31883-1-git-send-email-david@fromorbit.com> <1397550301-31883-3-git-send-email-david@fromorbit.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1397550301-31883-3-git-send-email-david@fromorbit.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html X-Barracuda-Connect: UNKNOWN[198.137.202.9] X-Barracuda-Start-Time: 1398063773 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.10 X-Barracuda-Spam-Status: No, SCORE=0.10 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=RDNS_NONE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5108 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.10 RDNS_NONE Delivered to trusted network by a host with no rDNS > +void > +set_iocur_type( > + const typ_t *t) > +{ > + const struct xfs_buf_ops *ops = t ? t->bops : NULL; > + struct xfs_buf *bp = iocur_top->bp; > + > + iocur_top->typ = t; > + > + /* verify the buffer if the type has one. */ > + if (!bp) > + return; > + if (!ops) { > + bp->b_ops = NULL; > + bp->b_flags |= LIBXFS_B_UNCHECKED; > + return; > + } The only caller currently makes sure we never pass a NULL t argument, and I think keeping it that way is sensible. If we want to allow clearing the type we should add a separate clear_iocur_type helper for it. From BATV+5fbe208480bd3b8f8894+3893+infradead.org+hch@bombadil.srs.infradead.org Mon Apr 21 02:08:26 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 04E697F4E for ; Mon, 21 Apr 2014 02:08:26 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id CEECE8F8049 for ; Mon, 21 Apr 2014 00:08:25 -0700 (PDT) X-ASG-Debug-ID: 1398064104-04cbb06e9d209610001-NocioJ Received: from bombadil.infradead.org ([198.137.202.9]) by cuda.sgi.com with ESMTP id HaVvdL0GKbdePLAz (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Mon, 21 Apr 2014 00:08:25 -0700 (PDT) X-Barracuda-Envelope-From: BATV+5fbe208480bd3b8f8894+3893+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.80.1 #2 (Red Hat Linux)) id 1Wc8L2-0000oj-Ab; Mon, 21 Apr 2014 07:08:24 +0000 Date: Mon, 21 Apr 2014 00:08:24 -0700 From: Christoph Hellwig To: Dave Chinner Cc: xfs@oss.sgi.com Subject: Re: [PATCH 4/9] repair: detect and correct CRC errors in directory blocks Message-ID: <20140421070824.GE20384@infradead.org> X-ASG-Orig-Subj: Re: [PATCH 4/9] repair: detect and correct CRC errors in directory blocks References: <1397550301-31883-1-git-send-email-david@fromorbit.com> <1397550301-31883-5-git-send-email-david@fromorbit.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1397550301-31883-5-git-send-email-david@fromorbit.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html X-Barracuda-Connect: UNKNOWN[198.137.202.9] X-Barracuda-Start-Time: 1398064104 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.10 X-Barracuda-Spam-Status: No, SCORE=0.10 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=RDNS_NONE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5108 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.10 RDNS_NONE Delivered to trusted network by a host with no rDNS On Tue, Apr 15, 2014 at 06:24:56PM +1000, Dave Chinner wrote: > + * Need to handle CRC and validation errors specially here. If > + * there is a validator error, re-read without the verifier so > + * that we get a buffer we can check and repair. Re-attach the > + * ops to the buffer after the read so that when it is rewritten > + * the CRC is recalculated. > + * > + * Returns a positive error on failure, 0 for success, and negative > + * error if a verifier error occurred and we reread the block without > + * the verifier successfully. This comment doesn't come clear to using up the 80 character allowance :) I have to say the positive and negative errno convention is a bit confusing to me. I'd rather always return 0 if we could read it, and pass a bool *crc_error instead that indicates if it needs fixing. From BATV+5fbe208480bd3b8f8894+3893+infradead.org+hch@bombadil.srs.infradead.org Mon Apr 21 02:11:11 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 470E27F51 for ; Mon, 21 Apr 2014 02:11:11 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id B1425AC001 for ; Mon, 21 Apr 2014 00:11:07 -0700 (PDT) X-ASG-Debug-ID: 1398064266-04cbb06e9b209710001-NocioJ Received: from bombadil.infradead.org ([198.137.202.9]) by cuda.sgi.com with ESMTP id NRT2rX0FWiDDOAuV (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Mon, 21 Apr 2014 00:11:06 -0700 (PDT) X-Barracuda-Envelope-From: BATV+5fbe208480bd3b8f8894+3893+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.80.1 #2 (Red Hat Linux)) id 1Wc8Ne-0003J1-1b; Mon, 21 Apr 2014 07:11:06 +0000 Date: Mon, 21 Apr 2014 00:11:06 -0700 From: Christoph Hellwig To: Dave Chinner Cc: xfs@oss.sgi.com Subject: Re: [PATCH 5/9] repair: detect CRC errors in AG headers Message-ID: <20140421071106.GF20384@infradead.org> X-ASG-Orig-Subj: Re: [PATCH 5/9] repair: detect CRC errors in AG headers References: <1397550301-31883-1-git-send-email-david@fromorbit.com> <1397550301-31883-6-git-send-email-david@fromorbit.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1397550301-31883-6-git-send-email-david@fromorbit.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html X-Barracuda-Connect: UNKNOWN[198.137.202.9] X-Barracuda-Start-Time: 1398064266 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.10 X-Barracuda-Spam-Status: No, SCORE=0.10 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=RDNS_NONE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5108 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.10 RDNS_NONE Delivered to trusted network by a host with no rDNS On Tue, Apr 15, 2014 at 06:24:57PM +1000, Dave Chinner wrote: > From: Dave Chinner > > repair doesn't currently detect verifier errors in AG header > blocks - apart from the primary superblock they are not detected. > They are, fortunately, corrected in the important cases (AGF, AGI > and AGFL) because these structures are rebuilt in phase 5, but if > you run xfs_repair in checking mode it won't report them as bad. Shouldn't we apply the same scheme as for directories here, that is if it fails with a verifier error re-read without the verifier and then still do the full check as well? Btw, it might make sense to have special read_buf variants in libxfs that always return a valid buffer even if the verifier fails, just telling us about it without having to re-read. From BATV+5fbe208480bd3b8f8894+3893+infradead.org+hch@bombadil.srs.infradead.org Mon Apr 21 02:13:07 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 4BE957F54 for ; Mon, 21 Apr 2014 02:13:07 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id C5334AC001 for ; Mon, 21 Apr 2014 00:13:06 -0700 (PDT) X-ASG-Debug-ID: 1398064385-04bdf04553214af0001-NocioJ Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) by cuda.sgi.com with ESMTP id WQ9LwdutUURbdoMq (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Mon, 21 Apr 2014 00:13:06 -0700 (PDT) X-Barracuda-Envelope-From: BATV+5fbe208480bd3b8f8894+3893+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.80.1 #2 (Red Hat Linux)) id 1Wc8PZ-0003NZ-Tr; Mon, 21 Apr 2014 07:13:05 +0000 Date: Mon, 21 Apr 2014 00:13:05 -0700 From: Christoph Hellwig To: Dave Chinner Cc: xfs@oss.sgi.com Subject: Re: [PATCH 7/9] repair: remove more dirv1 leftovers Message-ID: <20140421071305.GG20384@infradead.org> X-ASG-Orig-Subj: Re: [PATCH 7/9] repair: remove more dirv1 leftovers References: <1397550301-31883-1-git-send-email-david@fromorbit.com> <1397550301-31883-8-git-send-email-david@fromorbit.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1397550301-31883-8-git-send-email-david@fromorbit.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html X-Barracuda-Connect: bombadil.infradead.org[198.137.202.9] X-Barracuda-Start-Time: 1398064386 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5108 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- Looks good, Reviewed-by: Christoph Hellwig From BATV+5fbe208480bd3b8f8894+3893+infradead.org+hch@bombadil.srs.infradead.org Mon Apr 21 02:14:07 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 336AA7F54 for ; Mon, 21 Apr 2014 02:14:07 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id 0C2F0304032 for ; Mon, 21 Apr 2014 00:14:06 -0700 (PDT) X-ASG-Debug-ID: 1398064446-04bdf04554214b90001-NocioJ Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) by cuda.sgi.com with ESMTP id hNoA7OIW7IpipiIE (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Mon, 21 Apr 2014 00:14:06 -0700 (PDT) X-Barracuda-Envelope-From: BATV+5fbe208480bd3b8f8894+3893+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.80.1 #2 (Red Hat Linux)) id 1Wc8QW-00044R-VT; Mon, 21 Apr 2014 07:14:04 +0000 Date: Mon, 21 Apr 2014 00:14:04 -0700 From: Christoph Hellwig To: Brian Foster Cc: Dave Chinner , xfs@oss.sgi.com Subject: Re: [PATCH 7/9] repair: remove more dirv1 leftovers Message-ID: <20140421071404.GH20384@infradead.org> X-ASG-Orig-Subj: Re: [PATCH 7/9] repair: remove more dirv1 leftovers References: <1397550301-31883-1-git-send-email-david@fromorbit.com> <1397550301-31883-8-git-send-email-david@fromorbit.com> <20140416132332.GA4180@laptop.bfoster> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140416132332.GA4180@laptop.bfoster> User-Agent: Mutt/1.5.21 (2010-09-15) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html X-Barracuda-Connect: bombadil.infradead.org[198.137.202.9] X-Barracuda-Start-Time: 1398064446 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5108 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Wed, Apr 16, 2014 at 09:23:34AM -0400, Brian Foster wrote: > I'm not quite familiar with how we manage the .po translation files, but > FYI this string appears in a couple of them. Not sure whether there is > value in keeping the translation around. The string does include the > specific function name. They are dead but harmless after the original ones are removed. The next time the translators generate the translatable strings they won't be in there, and they should be removed with the translation update. From tmtynkky@cs.helsinki.fi Mon Apr 21 05:05:14 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 6B75029DF8 for ; Mon, 21 Apr 2014 05:05:14 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 4A6FE304032 for ; Mon, 21 Apr 2014 03:05:10 -0700 (PDT) X-ASG-Debug-ID: 1398074704-04cb6c243820fa40001-NocioJ Received: from script.cs.helsinki.fi (script.cs.helsinki.fi [128.214.11.1]) by cuda.sgi.com with ESMTP id n3wbQTC0IAj8UvGC (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Mon, 21 Apr 2014 03:05:06 -0700 (PDT) X-Barracuda-Envelope-From: tmtynkky@cs.helsinki.fi X-Barracuda-Apparent-Source-IP: 128.214.11.1 X-DKIM: Courier DKIM Filter v0.50+pk-2014-03-23 mail.cs.helsinki.fi Mon, 21 Apr 2014 13:05:03 +0300 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cs.helsinki.fi; h=from:to:cc:subject:date:message-id; s=dkim20130528; bh=+s0No1 DROi4d4Ue+iJKY6y6FLRH3K378sOJAptLtUz8=; b=b/Yx5hfeSaAJpfT85DGZN+ ak6akINKqzeczi3poY9isxPs1UILHQx3P0piHVGSlMOyxuzrS00BiLsjw4T1/sQm YRBHSBDTBiLz8CGVxYzQrhWwhLvn979zmgNom0kgQN49j1cuPy33YJmnqb+MbEiF OaI+ukVbO/5WibhbpXaGQ= Received: from sf-2.cs.helsinki.fi (sf-2.cs.helsinki.fi [128.214.166.196]) (AUTH: PLAIN cs-relay, TLS: TLSv1/SSLv3,256bits,AES256-SHA) by mail.cs.helsinki.fi with ESMTPSA; Mon, 21 Apr 2014 13:05:03 +0300 id 0000000000082F64.000000005354ED4F.00005151 Received: by sf-2.cs.helsinki.fi (Postfix, from userid 18244) id 433E9324C78; Mon, 21 Apr 2014 13:05:01 +0300 (EEST) From: Tuomas Tynkkynen To: Dave Chinner Cc: xfs@oss.sgi.com, linux-kernel@vger.kernel.org, Tuomas Tynkkynen Subject: [PATCH] xfs: Fix wrong error codes being returned Date: Mon, 21 Apr 2014 13:04:47 +0300 X-ASG-Orig-Subj: [PATCH] xfs: Fix wrong error codes being returned Message-Id: <1398074687-26548-1-git-send-email-tuomas.tynkkynen@iki.fi> X-Mailer: git-send-email 1.7.9.5 X-Barracuda-Connect: script.cs.helsinki.fi[128.214.11.1] X-Barracuda-Start-Time: 1398074706 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=DKIM_SIGNED, DKIM_VERIFIED X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5111 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- -0.00 DKIM_VERIFIED Domain Keys Identified Mail: signature passes verification 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature xfs_{compat_,}attrmulti_by_handle could return an errno with incorrect sign in some cases. While at it, make sure ENOMEM is returned instead of E2BIG if kmalloc fails. Signed-off-by: Tuomas Tynkkynen --- Compile tested only. For the ERANGE case, I also wonder if it should be assigning to ops[i].am_error instead of error, and/or have a break. fs/xfs/xfs_ioctl.c | 5 +++-- fs/xfs/xfs_ioctl32.c | 5 +++-- 2 files changed, 6 insertions(+), 4 deletions(-) diff --git a/fs/xfs/xfs_ioctl.c b/fs/xfs/xfs_ioctl.c index 0b18776..2d8f4fd 100644 --- a/fs/xfs/xfs_ioctl.c +++ b/fs/xfs/xfs_ioctl.c @@ -543,10 +543,11 @@ xfs_attrmulti_by_handle( ops = memdup_user(am_hreq.ops, size); if (IS_ERR(ops)) { - error = PTR_ERR(ops); + error = -PTR_ERR(ops); goto out_dput; } + error = ENOMEM; attr_name = kmalloc(MAXNAMELEN, GFP_KERNEL); if (!attr_name) goto out_kfree_ops; @@ -556,7 +557,7 @@ xfs_attrmulti_by_handle( ops[i].am_error = strncpy_from_user((char *)attr_name, ops[i].am_attrname, MAXNAMELEN); if (ops[i].am_error == 0 || ops[i].am_error == MAXNAMELEN) - error = -ERANGE; + error = ERANGE; if (ops[i].am_error < 0) break; diff --git a/fs/xfs/xfs_ioctl32.c b/fs/xfs/xfs_ioctl32.c index a7992f8..944d5ba 100644 --- a/fs/xfs/xfs_ioctl32.c +++ b/fs/xfs/xfs_ioctl32.c @@ -424,10 +424,11 @@ xfs_compat_attrmulti_by_handle( ops = memdup_user(compat_ptr(am_hreq.ops), size); if (IS_ERR(ops)) { - error = PTR_ERR(ops); + error = -PTR_ERR(ops); goto out_dput; } + error = ENOMEM; attr_name = kmalloc(MAXNAMELEN, GFP_KERNEL); if (!attr_name) goto out_kfree_ops; @@ -438,7 +439,7 @@ xfs_compat_attrmulti_by_handle( compat_ptr(ops[i].am_attrname), MAXNAMELEN); if (ops[i].am_error == 0 || ops[i].am_error == MAXNAMELEN) - error = -ERANGE; + error = ERANGE; if (ops[i].am_error < 0) break; -- 1.7.9.5 From BATV+5fbe208480bd3b8f8894+3893+infradead.org+hch@bombadil.srs.infradead.org Mon Apr 21 07:45:05 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 0452C7F3F for ; Mon, 21 Apr 2014 07:45:05 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id DA5158F804B for ; Mon, 21 Apr 2014 05:45:01 -0700 (PDT) X-ASG-Debug-ID: 1398084297-04bdf0455321d470001-NocioJ Received: from bombadil.infradead.org ([198.137.202.9]) by cuda.sgi.com with ESMTP id CDZnHPK2jngmpDAw (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Mon, 21 Apr 2014 05:44:57 -0700 (PDT) X-Barracuda-Envelope-From: BATV+5fbe208480bd3b8f8894+3893+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.80.1 #2 (Red Hat Linux)) id 1WcDaj-0001iv-8h; Mon, 21 Apr 2014 12:44:57 +0000 Date: Mon, 21 Apr 2014 05:44:57 -0700 From: Christoph Hellwig To: Jeff Liu Cc: "xfs@oss.sgi.com" Subject: Re: [PATCH v2 01/10] xfs: remove redundant stat assignment in xfs_bulkstat_one_int Message-ID: <20140421124457.GA4017@infradead.org> X-ASG-Orig-Subj: Re: [PATCH v2 01/10] xfs: remove redundant stat assignment in xfs_bulkstat_one_int References: <535078A9.409@oracle.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <535078A9.409@oracle.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html X-Barracuda-Connect: UNKNOWN[198.137.202.9] X-Barracuda-Start-Time: 1398084297 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.10 X-Barracuda-Spam-Status: No, SCORE=0.10 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=RDNS_NONE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5114 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.10 RDNS_NONE Delivered to trusted network by a host with no rDNS On Fri, Apr 18, 2014 at 08:58:17AM +0800, Jeff Liu wrote: > From: Jie Liu > > Remove the redundant BULKSTAT_RV_NOTHING assignment in case of call > xfs_iget() failed at xfs_bulkstat_one_int(). > > Signed-off-by: Jie Liu Looks good, Reviewed-by: Christoph Hellwig From jeff.liu@oracle.com Mon Apr 21 07:47:11 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 8D2507F3F for ; Mon, 21 Apr 2014 07:47:11 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 0BDFEAC001 for ; Mon, 21 Apr 2014 05:47:10 -0700 (PDT) X-ASG-Debug-ID: 1398084429-04cbb06e9d212510001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id mNdekeM6z1ObUgA2 (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Mon, 21 Apr 2014 05:47:09 -0700 (PDT) X-Barracuda-Envelope-From: jeff.liu@oracle.com X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from acsinet22.oracle.com (acsinet22.oracle.com [141.146.126.238]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id s3LCkk2n014329 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Mon, 21 Apr 2014 12:46:47 GMT Received: from aserz7022.oracle.com (aserz7022.oracle.com [141.146.126.231]) by acsinet22.oracle.com (8.14.4+Sun/8.14.4) with ESMTP id s3LCkjDL000973 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Mon, 21 Apr 2014 12:46:46 GMT Received: from abhmp0001.oracle.com (abhmp0001.oracle.com [141.146.116.7]) by aserz7022.oracle.com (8.14.4+Sun/8.14.4) with ESMTP id s3LCkjqp000970; Mon, 21 Apr 2014 12:46:45 GMT Received: from [192.168.1.106] (/123.119.110.200) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Mon, 21 Apr 2014 05:46:45 -0700 Message-ID: <5355132F.4070303@oracle.com> Date: Mon, 21 Apr 2014 20:46:39 +0800 From: Jeff Liu User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.1.0 MIME-Version: 1.0 To: Tuomas Tynkkynen , Dave Chinner CC: linux-kernel@vger.kernel.org, xfs@oss.sgi.com Subject: Re: [PATCH] xfs: Fix wrong error codes being returned References: <1398074687-26548-1-git-send-email-tuomas.tynkkynen@iki.fi> X-ASG-Orig-Subj: Re: [PATCH] xfs: Fix wrong error codes being returned In-Reply-To: <1398074687-26548-1-git-send-email-tuomas.tynkkynen@iki.fi> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Source-IP: acsinet22.oracle.com [141.146.126.238] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1398084429 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5114 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- Hi Tuomas, On 04/21 2014 18:04 PM, Tuomas Tynkkynen wrote: > xfs_{compat_,}attrmulti_by_handle could return an errno with incorrect > sign in some cases. While at it, make sure ENOMEM is returned instead of > E2BIG if kmalloc fails. > > Signed-off-by: Tuomas Tynkkynen > --- > Compile tested only. For the ERANGE case, I also wonder if it should > be assigning to ops[i].am_error instead of error, and/or have a break. If I understand right, ops[i].am_error is used to save the internal operation result, i.e, xfs_attrmult_attr_get{set}... but error is used for the ioctl call results. Therefore, assign ERANGE to error is compatible with the VFS set{get}xattr syscalls in case of "if (ops[i].am_error == 0 || ops[i].am_error == MAXNAMELEN)". It seems that we don't need to have a break in this case because xfs_attrmulti_by_handle() is used to process multiple attrs. Hence if a given attrname in ops array is invalid, the am_error will indicate that with ENOATTR or EFAULT...but it should proceed to loop through the left array members. Also, looks there is another minor issue at xfs_attrmulti_attr_set(), we should return -PTR_ERR(kbuf) if call memdup_user() failed. > > fs/xfs/xfs_ioctl.c | 5 +++-- > fs/xfs/xfs_ioctl32.c | 5 +++-- > 2 files changed, 6 insertions(+), 4 deletions(-) > > diff --git a/fs/xfs/xfs_ioctl.c b/fs/xfs/xfs_ioctl.c > index 0b18776..2d8f4fd 100644 > --- a/fs/xfs/xfs_ioctl.c > +++ b/fs/xfs/xfs_ioctl.c > @@ -543,10 +543,11 @@ xfs_attrmulti_by_handle( > > ops = memdup_user(am_hreq.ops, size); > if (IS_ERR(ops)) { > - error = PTR_ERR(ops); > + error = -PTR_ERR(ops); > goto out_dput; > } > > + error = ENOMEM; > attr_name = kmalloc(MAXNAMELEN, GFP_KERNEL); > if (!attr_name) > goto out_kfree_ops; > @@ -556,7 +557,7 @@ xfs_attrmulti_by_handle( > ops[i].am_error = strncpy_from_user((char *)attr_name, > ops[i].am_attrname, MAXNAMELEN); > if (ops[i].am_error == 0 || ops[i].am_error == MAXNAMELEN) > - error = -ERANGE; > + error = ERANGE; > if (ops[i].am_error < 0) > break; > > diff --git a/fs/xfs/xfs_ioctl32.c b/fs/xfs/xfs_ioctl32.c > index a7992f8..944d5ba 100644 > --- a/fs/xfs/xfs_ioctl32.c > +++ b/fs/xfs/xfs_ioctl32.c > @@ -424,10 +424,11 @@ xfs_compat_attrmulti_by_handle( > > ops = memdup_user(compat_ptr(am_hreq.ops), size); > if (IS_ERR(ops)) { > - error = PTR_ERR(ops); > + error = -PTR_ERR(ops); > goto out_dput; > } > > + error = ENOMEM; > attr_name = kmalloc(MAXNAMELEN, GFP_KERNEL); > if (!attr_name) > goto out_kfree_ops; > @@ -438,7 +439,7 @@ xfs_compat_attrmulti_by_handle( > compat_ptr(ops[i].am_attrname), > MAXNAMELEN); > if (ops[i].am_error == 0 || ops[i].am_error == MAXNAMELEN) > - error = -ERANGE; > + error = ERANGE; > if (ops[i].am_error < 0) > break; > Thanks, -Jeff From bfoster@redhat.com Mon Apr 21 08:01:44 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id CB4787F3F for ; Mon, 21 Apr 2014 08:01:44 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id AC167304043 for ; Mon, 21 Apr 2014 06:01:41 -0700 (PDT) X-ASG-Debug-ID: 1398085296-04cb6c2439214580001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id tHfFxD8ZtoQ2f9ZH for ; Mon, 21 Apr 2014 06:01:37 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx13.intmail.prod.int.phx2.redhat.com (int-mx13.intmail.prod.int.phx2.redhat.com [10.5.11.26]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3LD1G0P028362 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 21 Apr 2014 09:01:20 -0400 Received: from bfoster.bfoster ([10.18.41.237]) by int-mx13.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s3LD1FlK010834; Mon, 21 Apr 2014 09:01:16 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id E711112573F; Mon, 21 Apr 2014 09:01:14 -0400 (EDT) Date: Mon, 21 Apr 2014 09:01:14 -0400 From: Brian Foster To: Tuomas Tynkkynen Cc: Dave Chinner , linux-kernel@vger.kernel.org, xfs@oss.sgi.com Subject: Re: [PATCH] xfs: Fix wrong error codes being returned Message-ID: <20140421130113.GA24813@bfoster.bfoster> X-ASG-Orig-Subj: Re: [PATCH] xfs: Fix wrong error codes being returned References: <1398074687-26548-1-git-send-email-tuomas.tynkkynen@iki.fi> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1398074687-26548-1-git-send-email-tuomas.tynkkynen@iki.fi> User-Agent: Mutt/1.5.21 (2010-09-15) X-Scanned-By: MIMEDefang 2.68 on 10.5.11.26 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1398085297 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Mon, Apr 21, 2014 at 01:04:47PM +0300, Tuomas Tynkkynen wrote: > xfs_{compat_,}attrmulti_by_handle could return an errno with incorrect > sign in some cases. While at it, make sure ENOMEM is returned instead of > E2BIG if kmalloc fails. > > Signed-off-by: Tuomas Tynkkynen > --- The fix looks good to me. There has been talk recently of starting to fix up our internal positive-to-negative error conversions to be more consistent with the rest of the kernel. Given that, I wonder if it's better here to go the other way. E.g., remove the negation in the out_dput path and convert the positive error codes (and thus we don't need to add more negative-to-positive-to-negative conversions here). Thoughts? Brian > Compile tested only. For the ERANGE case, I also wonder if it should > be assigning to ops[i].am_error instead of error, and/or have a break. > > fs/xfs/xfs_ioctl.c | 5 +++-- > fs/xfs/xfs_ioctl32.c | 5 +++-- > 2 files changed, 6 insertions(+), 4 deletions(-) > > diff --git a/fs/xfs/xfs_ioctl.c b/fs/xfs/xfs_ioctl.c > index 0b18776..2d8f4fd 100644 > --- a/fs/xfs/xfs_ioctl.c > +++ b/fs/xfs/xfs_ioctl.c > @@ -543,10 +543,11 @@ xfs_attrmulti_by_handle( > > ops = memdup_user(am_hreq.ops, size); > if (IS_ERR(ops)) { > - error = PTR_ERR(ops); > + error = -PTR_ERR(ops); > goto out_dput; > } > > + error = ENOMEM; > attr_name = kmalloc(MAXNAMELEN, GFP_KERNEL); > if (!attr_name) > goto out_kfree_ops; > @@ -556,7 +557,7 @@ xfs_attrmulti_by_handle( > ops[i].am_error = strncpy_from_user((char *)attr_name, > ops[i].am_attrname, MAXNAMELEN); > if (ops[i].am_error == 0 || ops[i].am_error == MAXNAMELEN) > - error = -ERANGE; > + error = ERANGE; > if (ops[i].am_error < 0) > break; > > diff --git a/fs/xfs/xfs_ioctl32.c b/fs/xfs/xfs_ioctl32.c > index a7992f8..944d5ba 100644 > --- a/fs/xfs/xfs_ioctl32.c > +++ b/fs/xfs/xfs_ioctl32.c > @@ -424,10 +424,11 @@ xfs_compat_attrmulti_by_handle( > > ops = memdup_user(compat_ptr(am_hreq.ops), size); > if (IS_ERR(ops)) { > - error = PTR_ERR(ops); > + error = -PTR_ERR(ops); > goto out_dput; > } > > + error = ENOMEM; > attr_name = kmalloc(MAXNAMELEN, GFP_KERNEL); > if (!attr_name) > goto out_kfree_ops; > @@ -438,7 +439,7 @@ xfs_compat_attrmulti_by_handle( > compat_ptr(ops[i].am_attrname), > MAXNAMELEN); > if (ops[i].am_error == 0 || ops[i].am_error == MAXNAMELEN) > - error = -ERANGE; > + error = ERANGE; > if (ops[i].am_error < 0) > break; > > -- > 1.7.9.5 > > _______________________________________________ > xfs mailing list > xfs@oss.sgi.com > http://oss.sgi.com/mailman/listinfo/xfs From bfoster@redhat.com Mon Apr 21 08:09:47 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 31DF07F3F for ; Mon, 21 Apr 2014 08:09:47 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 223B08F8049 for ; Mon, 21 Apr 2014 06:09:44 -0700 (PDT) X-ASG-Debug-ID: 1398085783-04cb6c2438214c40001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id 9ZOcKPqLHPSExZ2o for ; Mon, 21 Apr 2014 06:09:43 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx12.intmail.prod.int.phx2.redhat.com (int-mx12.intmail.prod.int.phx2.redhat.com [10.5.11.25]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3LD9Xvs031054 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 21 Apr 2014 09:09:33 -0400 Received: from bfoster.bfoster ([10.18.41.237]) by int-mx12.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s3LD9XUX012146; Mon, 21 Apr 2014 09:09:33 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id 2D96112573F; Mon, 21 Apr 2014 09:09:32 -0400 (EDT) Date: Mon, 21 Apr 2014 09:09:32 -0400 From: Brian Foster To: Jeff Liu Cc: Tuomas Tynkkynen , Dave Chinner , linux-kernel@vger.kernel.org, xfs@oss.sgi.com Subject: Re: [PATCH] xfs: Fix wrong error codes being returned Message-ID: <20140421130931.GB24813@bfoster.bfoster> X-ASG-Orig-Subj: Re: [PATCH] xfs: Fix wrong error codes being returned References: <1398074687-26548-1-git-send-email-tuomas.tynkkynen@iki.fi> <5355132F.4070303@oracle.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <5355132F.4070303@oracle.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-Scanned-By: MIMEDefang 2.68 on 10.5.11.25 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1398085783 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Mon, Apr 21, 2014 at 08:46:39PM +0800, Jeff Liu wrote: > Hi Tuomas, > > On 04/21 2014 18:04 PM, Tuomas Tynkkynen wrote: > > xfs_{compat_,}attrmulti_by_handle could return an errno with incorrect > > sign in some cases. While at it, make sure ENOMEM is returned instead of > > E2BIG if kmalloc fails. > > > > Signed-off-by: Tuomas Tynkkynen > > --- > > Compile tested only. For the ERANGE case, I also wonder if it should > > be assigning to ops[i].am_error instead of error, and/or have a break. > > If I understand right, ops[i].am_error is used to save the internal operation result, > i.e, xfs_attrmult_attr_get{set}... but error is used for the ioctl call results. > Therefore, assign ERANGE to error is compatible with the VFS set{get}xattr syscalls in > case of "if (ops[i].am_error == 0 || ops[i].am_error == MAXNAMELEN)". > But we set 'error' in this case and effectively try to continue the operation whereas the traditional vfs path returns... > It seems that we don't need to have a break in this case because xfs_attrmulti_by_handle() > is used to process multiple attrs. Hence if a given attrname in ops array is invalid, > the am_error will indicate that with ENOATTR or EFAULT...but it should proceed to loop > through the left array members. > Perhaps so if am_error == 0, but it depends on what attr_name contains at that point (stale data?). Otherwise, we try to proceed with a truncated name. It looks like the consistent thing to do would be set am_error to ERANGE and continue (i.e., skip the op and move on to the next). Brian > Also, looks there is another minor issue at xfs_attrmulti_attr_set(), we should return > -PTR_ERR(kbuf) if call memdup_user() failed. > > > > > fs/xfs/xfs_ioctl.c | 5 +++-- > > fs/xfs/xfs_ioctl32.c | 5 +++-- > > 2 files changed, 6 insertions(+), 4 deletions(-) > > > > diff --git a/fs/xfs/xfs_ioctl.c b/fs/xfs/xfs_ioctl.c > > index 0b18776..2d8f4fd 100644 > > --- a/fs/xfs/xfs_ioctl.c > > +++ b/fs/xfs/xfs_ioctl.c > > @@ -543,10 +543,11 @@ xfs_attrmulti_by_handle( > > > > ops = memdup_user(am_hreq.ops, size); > > if (IS_ERR(ops)) { > > - error = PTR_ERR(ops); > > + error = -PTR_ERR(ops); > > goto out_dput; > > } > > > > + error = ENOMEM; > > attr_name = kmalloc(MAXNAMELEN, GFP_KERNEL); > > if (!attr_name) > > goto out_kfree_ops; > > @@ -556,7 +557,7 @@ xfs_attrmulti_by_handle( > > ops[i].am_error = strncpy_from_user((char *)attr_name, > > ops[i].am_attrname, MAXNAMELEN); > > if (ops[i].am_error == 0 || ops[i].am_error == MAXNAMELEN) > > - error = -ERANGE; > > + error = ERANGE; > > if (ops[i].am_error < 0) > > break; > > > > diff --git a/fs/xfs/xfs_ioctl32.c b/fs/xfs/xfs_ioctl32.c > > index a7992f8..944d5ba 100644 > > --- a/fs/xfs/xfs_ioctl32.c > > +++ b/fs/xfs/xfs_ioctl32.c > > @@ -424,10 +424,11 @@ xfs_compat_attrmulti_by_handle( > > > > ops = memdup_user(compat_ptr(am_hreq.ops), size); > > if (IS_ERR(ops)) { > > - error = PTR_ERR(ops); > > + error = -PTR_ERR(ops); > > goto out_dput; > > } > > > > + error = ENOMEM; > > attr_name = kmalloc(MAXNAMELEN, GFP_KERNEL); > > if (!attr_name) > > goto out_kfree_ops; > > @@ -438,7 +439,7 @@ xfs_compat_attrmulti_by_handle( > > compat_ptr(ops[i].am_attrname), > > MAXNAMELEN); > > if (ops[i].am_error == 0 || ops[i].am_error == MAXNAMELEN) > > - error = -ERANGE; > > + error = ERANGE; > > if (ops[i].am_error < 0) > > break; > > > > Thanks, > -Jeff > > _______________________________________________ > xfs mailing list > xfs@oss.sgi.com > http://oss.sgi.com/mailman/listinfo/xfs From arskpak@hotmail.com Mon Apr 21 08:31:59 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=FORGED_HOTMAIL_RCVD2, FREEMAIL_FROM,MIME_QP_LONG_LINE autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 7C24A7F3F for ; Mon, 21 Apr 2014 08:31:59 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 1AED2AC001 for ; Mon, 21 Apr 2014 06:31:55 -0700 (PDT) X-ASG-Debug-ID: 1398087114-04cb6c2439215db0001-NocioJ Received: from eventmail.trailraces.com (eventmail.trailraces.com [216.26.176.104]) by cuda.sgi.com with ESMTP id nxVkb69kZjqqfEEY for ; Mon, 21 Apr 2014 06:31:54 -0700 (PDT) X-Barracuda-Envelope-From: arskpak@hotmail.com X-Barracuda-Apparent-Source-IP: 216.26.176.104 Received: from raceitweb01a ([127.0.0.1]) by eventmail.trailraces.com with Microsoft SMTPSVC(7.0.6002.18264); Mon, 21 Apr 2014 09:31:50 -0400 MIME-Version: 1.0 From: arskpak@hotmail.com To: xfs@oss.sgi.com Date: 21 Apr 2014 09:31:50 -0400 Subject: Re: Funds. 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Content-Transfer-Encoding: quoted-printable Message-ID: X-OriginalArrivalTime: 21 Apr 2014 13:31:50.0007 (UTC) FILETIME=[0CD07870:01CF5D66] X-Barracuda-Connect: eventmail.trailraces.com[216.26.176.104] X-Barracuda-Start-Time: 1398087114 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 1.94 X-Barracuda-Spam-Status: No, SCORE=1.94 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=FORGED_HOTMAIL_RCVD2, MIME_QP_LONG_LINE, MIME_QP_LONG_LINE_2, NO_REAL_NAME X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5114 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 NO_REAL_NAME From: does not include a real name 1.12 FORGED_HOTMAIL_RCVD2 hotmail.com 'From' address, but no 'Received:' 0.00 MIME_QP_LONG_LINE RAW: Quoted-printable line longer than 76 chars 0.82 MIME_QP_LONG_LINE_2 RAW: Quoted-printable line longer than 76 chars Re: You will donate 10% from proceed to Charity.=0D=0A=0D=0AI hereby request= your co-operation in this business transaction to raise funds. =0D=0AAs= you reply to me more details will be made available to you.=0D=0A=0D=0AThanks,= =0D=0AMaximus.=0D=0A=0D=0A=0D=0AVisit my fundraising page at http://www.RaceIt.com/fundraising/fundraise.aspx?event=3D15197&fundraiser=3D11739 From jeff.liu@oracle.com Mon Apr 21 09:01:58 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 3DBFE7F3F for ; Mon, 21 Apr 2014 09:01:58 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 1ED158F8035 for ; Mon, 21 Apr 2014 07:01:55 -0700 (PDT) X-ASG-Debug-ID: 1398088913-04cb6c24382172a0001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id 8o1hkAIZUt9fufuo (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Mon, 21 Apr 2014 07:01:53 -0700 (PDT) X-Barracuda-Envelope-From: jeff.liu@oracle.com X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from ucsinet22.oracle.com (ucsinet22.oracle.com [156.151.31.94]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id s3LE1hN7023274 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Mon, 21 Apr 2014 14:01:43 GMT Received: from userz7021.oracle.com (userz7021.oracle.com [156.151.31.85]) by ucsinet22.oracle.com (8.14.5+Sun/8.14.5) with ESMTP id s3LE1fkL008810 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=FAIL); Mon, 21 Apr 2014 14:01:43 GMT Received: from abhmp0001.oracle.com (abhmp0001.oracle.com [141.146.116.7]) by userz7021.oracle.com (8.14.4+Sun/8.14.4) with ESMTP id s3LE1f0b015323; Mon, 21 Apr 2014 14:01:41 GMT Received: from [192.168.1.106] (/123.119.110.200) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Mon, 21 Apr 2014 07:01:40 -0700 Message-ID: <535524BE.7070704@oracle.com> Date: Mon, 21 Apr 2014 22:01:34 +0800 From: Jeff Liu User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.1.0 MIME-Version: 1.0 To: Brian Foster CC: Tuomas Tynkkynen , linux-kernel@vger.kernel.org, xfs@oss.sgi.com Subject: Re: [PATCH] xfs: Fix wrong error codes being returned References: <1398074687-26548-1-git-send-email-tuomas.tynkkynen@iki.fi> <5355132F.4070303@oracle.com> <20140421130931.GB24813@bfoster.bfoster> X-ASG-Orig-Subj: Re: [PATCH] xfs: Fix wrong error codes being returned In-Reply-To: <20140421130931.GB24813@bfoster.bfoster> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Source-IP: ucsinet22.oracle.com [156.151.31.94] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1398088913 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5115 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On 04/21 2014 21:09 PM, Brian Foster wrote: > On Mon, Apr 21, 2014 at 08:46:39PM +0800, Jeff Liu wrote: >> Hi Tuomas, >> >> On 04/21 2014 18:04 PM, Tuomas Tynkkynen wrote: >>> xfs_{compat_,}attrmulti_by_handle could return an errno with incorrect >>> sign in some cases. While at it, make sure ENOMEM is returned instead of >>> E2BIG if kmalloc fails. >>> >>> Signed-off-by: Tuomas Tynkkynen >>> --- >>> Compile tested only. For the ERANGE case, I also wonder if it should >>> be assigning to ops[i].am_error instead of error, and/or have a break. >> >> If I understand right, ops[i].am_error is used to save the internal operation result, >> i.e, xfs_attrmult_attr_get{set}... but error is used for the ioctl call results. >> Therefore, assign ERANGE to error is compatible with the VFS set{get}xattr syscalls in >> case of "if (ops[i].am_error == 0 || ops[i].am_error == MAXNAMELEN)". >> > > But we set 'error' in this case and effectively try to continue the operation > whereas the traditional vfs path returns... So the error would always be set to ERANGE if one or more attrname is/are invalid. > >> It seems that we don't need to have a break in this case because xfs_attrmulti_by_handle() >> is used to process multiple attrs. Hence if a given attrname in ops array is invalid, >> the am_error will indicate that with ENOATTR or EFAULT...but it should proceed to loop >> through the left array members. >> > > Perhaps so if am_error == 0, but it depends on what attr_name contains > at that point (stale data?). Otherwise, we try to proceed with a > truncated name. It looks like the consistent thing to do would be set > am_error to ERANGE and continue (i.e., skip the op and move on to the > next). If we continue to process a truncated name in case of MAXNAMELEN, it would return EFAULT for SET/REMOVE operations, and ENOATTR for GET operation, which would be set back to am_error, but error still keep as ERANGE which is consistently. Thanks, -Jeff From BATV+5fbe208480bd3b8f8894+3893+infradead.org+hch@bombadil.srs.infradead.org Mon Apr 21 09:11:50 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 4F3CC7F4E for ; Mon, 21 Apr 2014 09:11:50 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id 0C8D2304051 for ; Mon, 21 Apr 2014 07:11:49 -0700 (PDT) X-ASG-Debug-ID: 1398089508-04bdf04554221c90001-NocioJ Received: from bombadil.infradead.org ([198.137.202.9]) by cuda.sgi.com with ESMTP id 41hO0uXxR3pyiDOt (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Mon, 21 Apr 2014 07:11:48 -0700 (PDT) X-Barracuda-Envelope-From: BATV+5fbe208480bd3b8f8894+3893+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.80.1 #2 (Red Hat Linux)) id 1WcEwm-00072l-Hz; Mon, 21 Apr 2014 14:11:48 +0000 Date: Mon, 21 Apr 2014 07:11:48 -0700 From: Christoph Hellwig To: Jeff Liu Cc: "xfs@oss.sgi.com" Subject: Re: [PATCH v2 02/10] xfs: consolidate xfs_bulkstat_single Message-ID: <20140421141148.GA27064@infradead.org> X-ASG-Orig-Subj: Re: [PATCH v2 02/10] xfs: consolidate xfs_bulkstat_single References: <535078AD.5050209@oracle.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <535078AD.5050209@oracle.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html X-Barracuda-Connect: UNKNOWN[198.137.202.9] X-Barracuda-Start-Time: 1398089508 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.10 X-Barracuda-Spam-Status: No, SCORE=0.10 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=RDNS_NONE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5115 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.10 RDNS_NONE Delivered to trusted network by a host with no rDNS On Fri, Apr 18, 2014 at 08:58:21AM +0800, Jeff Liu wrote: > From: Jie Liu > > In xfs_bulkstat_single(), call xfs_bulkstat_one() and xfs_bulkstat() > would return different error if either failed, we'd better return the > proper error in this case. Moreover, the function argument done is > useless in terms of xfs_ioc_bulkstat(), hence we can get rid of it. I've looked at xfs_bulkstat_single I really can't see how falling back to the full xfs_bulkstat could fix any error. We probably should just get rid of the fallback and instead do something like the (lightly tested) patch below: --- From: Christoph Hellwig Subject: xfs: remove xfs_bulkstat_single xfs_bukstat_one doesn't have any failure case that would go away when called through xfs_bulkstat, so remove the fallback and the now unessecary xfs_bulkstat_single function. Signed-off-by: Christoph Hellwig --- fs/xfs/xfs_ioctl.c | 4 ++-- fs/xfs/xfs_itable.c | 48 ------------------------------------------------ fs/xfs/xfs_itable.h | 7 ------- 3 files changed, 2 insertions(+), 57 deletions(-) diff --git a/fs/xfs/xfs_ioctl.c b/fs/xfs/xfs_ioctl.c index bcfe612..c6e32d1 100644 --- a/fs/xfs/xfs_ioctl.c +++ b/fs/xfs/xfs_ioctl.c @@ -824,8 +824,8 @@ xfs_ioc_bulkstat( error = xfs_inumbers(mp, &inlast, &count, bulkreq.ubuffer, xfs_inumbers_fmt); else if (cmd == XFS_IOC_FSBULKSTAT_SINGLE) - error = xfs_bulkstat_single(mp, &inlast, - bulkreq.ubuffer, &done); + error = xfs_bulkstat_one(mp, inlast, bulkreq.ubuffer, + sizeof(xfs_bstat_t), NULL, &done); else /* XFS_IOC_FSBULKSTAT */ error = xfs_bulkstat(mp, &inlast, &count, xfs_bulkstat_one, sizeof(xfs_bstat_t), bulkreq.ubuffer, diff --git a/fs/xfs/xfs_itable.c b/fs/xfs/xfs_itable.c index f463382..58fcae0 100644 --- a/fs/xfs/xfs_itable.c +++ b/fs/xfs/xfs_itable.c @@ -511,54 +511,6 @@ xfs_bulkstat( return rval; } -/* - * Return stat information in bulk (by-inode) for the filesystem. - * Special case for non-sequential one inode bulkstat. - */ -int /* error status */ -xfs_bulkstat_single( - xfs_mount_t *mp, /* mount point for filesystem */ - xfs_ino_t *lastinop, /* inode to return */ - char __user *buffer, /* buffer with inode stats */ - int *done) /* 1 if there are more stats to get */ -{ - int count; /* count value for bulkstat call */ - int error; /* return value */ - xfs_ino_t ino; /* filesystem inode number */ - int res; /* result from bs1 */ - - /* - * note that requesting valid inode numbers which are not allocated - * to inodes will most likely cause xfs_imap_to_bp to generate warning - * messages about bad magic numbers. This is ok. The fact that - * the inode isn't actually an inode is handled by the - * error check below. Done this way to make the usual case faster - * at the expense of the error case. - */ - - ino = *lastinop; - error = xfs_bulkstat_one(mp, ino, buffer, sizeof(xfs_bstat_t), - NULL, &res); - if (error) { - /* - * Special case way failed, do it the "long" way - * to see if that works. - */ - (*lastinop)--; - count = 1; - if (xfs_bulkstat(mp, lastinop, &count, xfs_bulkstat_one, - sizeof(xfs_bstat_t), buffer, done)) - return error; - if (count == 0 || (xfs_ino_t)*lastinop != ino) - return error == EFSCORRUPTED ? - XFS_ERROR(EINVAL) : error; - else - return 0; - } - *done = 0; - return 0; -} - int xfs_inumbers_fmt( void __user *ubuffer, /* buffer to write to */ diff --git a/fs/xfs/xfs_itable.h b/fs/xfs/xfs_itable.h index 97295d9..6ea8b39 100644 --- a/fs/xfs/xfs_itable.h +++ b/fs/xfs/xfs_itable.h @@ -50,13 +50,6 @@ xfs_bulkstat( char __user *ubuffer,/* buffer with inode stats */ int *done); /* 1 if there are more stats to get */ -int -xfs_bulkstat_single( - xfs_mount_t *mp, - xfs_ino_t *lastinop, - char __user *buffer, - int *done); - typedef int (*bulkstat_one_fmt_pf)( /* used size in bytes or negative error */ void __user *ubuffer, /* buffer to write to */ int ubsize, /* remaining user buffer sz */ -- 1.7.10.4 From bfoster@redhat.com Mon Apr 21 09:36:50 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 6DA1F7F3F for ; Mon, 21 Apr 2014 09:36:50 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id 04B2DAC001 for ; Mon, 21 Apr 2014 07:36:46 -0700 (PDT) X-ASG-Debug-ID: 1398091005-04bdf045522236c0001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id fHvrB9ekHySZu9Jp for ; Mon, 21 Apr 2014 07:36:46 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx13.intmail.prod.int.phx2.redhat.com (int-mx13.intmail.prod.int.phx2.redhat.com [10.5.11.26]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3LEaYJh029000 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 21 Apr 2014 10:36:35 -0400 Received: from laptop.bfoster (vpn-225-232.phx2.redhat.com [10.3.225.232]) by int-mx13.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s3LEaY1b013301; Mon, 21 Apr 2014 10:36:34 -0400 Received: from laptop.bfoster (localhost.localdomain [127.0.0.1]) by laptop.bfoster (Postfix) with ESMTP id BD14A120AC3; Mon, 21 Apr 2014 10:36:33 -0400 (EDT) Received: (from bfoster@localhost) by laptop.bfoster (8.14.7/8.14.7/Submit) id s3LEaV4K004854; Mon, 21 Apr 2014 10:36:31 -0400 X-Authentication-Warning: laptop.bfoster: bfoster set sender to bfoster@redhat.com using -f Date: Mon, 21 Apr 2014 10:36:30 -0400 From: Brian Foster To: Jeff Liu Cc: Tuomas Tynkkynen , linux-kernel@vger.kernel.org, xfs@oss.sgi.com Subject: Re: [PATCH] xfs: Fix wrong error codes being returned Message-ID: <20140421143629.GB4371@laptop.bfoster> X-ASG-Orig-Subj: Re: [PATCH] xfs: Fix wrong error codes being returned References: <1398074687-26548-1-git-send-email-tuomas.tynkkynen@iki.fi> <5355132F.4070303@oracle.com> <20140421130931.GB24813@bfoster.bfoster> <535524BE.7070704@oracle.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <535524BE.7070704@oracle.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-Scanned-By: MIMEDefang 2.68 on 10.5.11.26 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1398091005 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Mon, Apr 21, 2014 at 10:01:34PM +0800, Jeff Liu wrote: > > On 04/21 2014 21:09 PM, Brian Foster wrote: > > On Mon, Apr 21, 2014 at 08:46:39PM +0800, Jeff Liu wrote: > >> Hi Tuomas, > >> > >> On 04/21 2014 18:04 PM, Tuomas Tynkkynen wrote: > >>> xfs_{compat_,}attrmulti_by_handle could return an errno with incorrect > >>> sign in some cases. While at it, make sure ENOMEM is returned instead of > >>> E2BIG if kmalloc fails. > >>> > >>> Signed-off-by: Tuomas Tynkkynen > >>> --- > >>> Compile tested only. For the ERANGE case, I also wonder if it should > >>> be assigning to ops[i].am_error instead of error, and/or have a break. > >> > >> If I understand right, ops[i].am_error is used to save the internal operation result, > >> i.e, xfs_attrmult_attr_get{set}... but error is used for the ioctl call results. > >> Therefore, assign ERANGE to error is compatible with the VFS set{get}xattr syscalls in > >> case of "if (ops[i].am_error == 0 || ops[i].am_error == MAXNAMELEN)". > >> > > > > But we set 'error' in this case and effectively try to continue the operation > > whereas the traditional vfs path returns... > > So the error would always be set to ERANGE if one or more attrname is/are invalid. > Right... > > > >> It seems that we don't need to have a break in this case because xfs_attrmulti_by_handle() > >> is used to process multiple attrs. Hence if a given attrname in ops array is invalid, > >> the am_error will indicate that with ENOATTR or EFAULT...but it should proceed to loop > >> through the left array members. > >> > > > > Perhaps so if am_error == 0, but it depends on what attr_name contains > > at that point (stale data?). Otherwise, we try to proceed with a > > truncated name. It looks like the consistent thing to do would be set > > am_error to ERANGE and continue (i.e., skip the op and move on to the > > next). > > If we continue to process a truncated name in case of MAXNAMELEN, it would return > EFAULT for SET/REMOVE operations, and ENOATTR for GET operation, which would be > set back to am_error, but error still keep as ERANGE which is consistently. > Ah, we should hit an error in the xfs_attr_name_to_xname() call deeper in the callchain, so the truncated name case should not be an issue. The am_error == 0 case still looks weird to me. So we return an error and set am_error if there's an issue with the attr name. If there's another error in the op path, we set am_error only and continue on. Not being familiar with the interface, I'm curious if there is any particular reason for that difference in behavior. It seems like the caller should process all of the return codes anyways. Brian > > Thanks, > -Jeff > > _______________________________________________ > xfs mailing list > xfs@oss.sgi.com > http://oss.sgi.com/mailman/listinfo/xfs From k.khlebnikov@samsung.com Mon Apr 21 11:43:13 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=T_MANY_HDRS_LCASE autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 9C46A7F3F for ; Mon, 21 Apr 2014 11:43:13 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 8969730404E for ; Mon, 21 Apr 2014 09:43:10 -0700 (PDT) X-ASG-Debug-ID: 1398098588-04cb6c243921db70001-NocioJ Received: from mailout1.w1.samsung.com (mailout1.w1.samsung.com [210.118.77.11]) by cuda.sgi.com with ESMTP id Lwudvfxm9D3di3Nt (version=TLSv1 cipher=RC4-MD5 bits=128 verify=NO) for ; Mon, 21 Apr 2014 09:43:09 -0700 (PDT) X-Barracuda-Envelope-From: k.khlebnikov@samsung.com X-Barracuda-Apparent-Source-IP: 210.118.77.11 X-Barracuda-IPDD: Level2 [samsung.com/210.118.77.11] Received: from eucpsbgm2.samsung.com (unknown [203.254.199.245]) by mailout1.w1.samsung.com (Oracle Communications Messaging Server 7u4-24.01(7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTP id <0N4E00LQ53RUWD30@mailout1.w1.samsung.com> for xfs@oss.sgi.com; Mon, 21 Apr 2014 17:43:06 +0100 (BST) X-Barracuda-IPDD: Level2 [samsung.com/210.118.77.11] X-Barracuda-IPDD: Level2 [samsung.com/210.118.77.11] X-Barracuda-IPDD: Level2 [samsung.com/210.118.77.11] X-Barracuda-IPDD: Level2 [samsung.com/210.118.77.11] X-Barracuda-IPDD: Level2 [samsung.com/210.118.77.11] X-AuditID: cbfec7f5-b7fae6d000004d6d-d1-53554a9bce1a Received: from eusync3.samsung.com ( [203.254.199.213]) by eucpsbgm2.samsung.com (EUCPMTA) with SMTP id 8E.33.19821.B9A45535; Mon, 21 Apr 2014 17:43:07 +0100 (BST) Received: from localhost ([106.109.130.68]) by eusync3.samsung.com (Oracle Communications Messaging Server 7u4-23.01 (7.0.4.23.0) 64bit (built Aug 10 2011)) with ESMTPA id <0N4E0005Z3RUTM20@eusync3.samsung.com>; Mon, 21 Apr 2014 17:43:07 +0100 (BST) Subject: [PATCH] xfstests: generic/285: fix seek_sanity_test for generic SEEK_HOLE/DATA From: Konstantin Khlebnikov X-ASG-Orig-Subj: [PATCH] xfstests: generic/285: fix seek_sanity_test for generic SEEK_HOLE/DATA To: xfs@oss.sgi.com Date: Mon, 21 Apr 2014 20:43:05 +0400 Message-id: <20140421164305.22404.92195.stgit@buzz> User-Agent: StGit/0.17.1-dirty MIME-version: 1.0 Content-type: text/plain; charset=utf-8 Content-transfer-encoding: 7bit X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFnrPJMWRmVeSWpSXmKPExsVy+t/xq7qzvUKDDab84rL4sbOX1WJR3y1G ByaP1Re2Mnr0bVnFGMAUxWWTkpqTWZZapG+XwJXxaNYi9oLpPBXbT79jbGC8ydnFyMEhIWAi MXdiaBcjJ5ApJnHh3nq2LkYuDiGBpYwSq/t3sEM4jUwSzeseMoFUCQtESrTN2skCYrMJmEls 23ebEWSQiICwxI1OU5Awi4CqxIbZZ8DKeQWMJba9amEGsUUF5CRWXm5hhYgLSvyYfI8FpJVZ QF1iypRckDCzgLzE5jVvmScw8s5CUjULoWoWkqoFjMyrGEVTS5MLipPSc430ihNzi0vz0vWS 83M3MUIC6esOxqXHrA4xCnAwKvHwShiEBguxJpYVV+YeYpTgYFYS4V2vCRTiTUmsrEotyo8v Ks1JLT7EyMTBKdXAeJTzWF/qwYX7nGMXfMk7fPrl9PnT9i9kEVxmEsPbv/jwBJdr14LWHJ+b wffG4+yBsqrakM1nVuz5xXWGz+1o71zZR29a+BivH5G3fNB6w4hrzQxniwP3N5pd7Q28seiX Q0OwkC6//r3eSpmC7BsHgjdeOeRcqioXeE/qz6+W72um7HM8Z7j0nJkSS3FGoqEWc1FxIgBJ nEN+AgIAAA== X-Barracuda-Connect: mailout1.w1.samsung.com[210.118.77.11] X-Barracuda-Start-Time: 1398098589 X-Barracuda-Encrypted: RC4-MD5 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 Generic implementation of SEEK_HOLE/DATA reports whole file as data chunk with virtual hole at the end (generic_file_llseek, used by ext2/ext3/reiserfs/nfs). Currently test prepares file smaller than expected for "huge file" testcases (testcases 10-12). This patch fixes test file layout, now second data chunk ends right at the expected end of file. Plus it fixes type of 'filesz' argument, it should be off_t. Signed-off-by: Konstantin Khlebnikov --- src/seek_sanity_test.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/src/seek_sanity_test.c b/src/seek_sanity_test.c index fbf5a8c..7cf45c0 100644 --- a/src/seek_sanity_test.c +++ b/src/seek_sanity_test.c @@ -157,7 +157,7 @@ static int do_create(const char *filename) return fd; } -static int do_lseek(int testnum, int subtest, int fd, int filsz, int origin, +static int do_lseek(int testnum, int subtest, int fd, off_t filsz, int origin, off_t set, off_t exp) { off_t pos, exp2; @@ -203,7 +203,7 @@ static int huge_file_test(int fd, int testnum, off_t filsz) { char *buf = NULL; int bufsz = alloc_size * 16; /* XFS seems to round allocated size */ - off_t off = filsz - 2*bufsz; + off_t off = filsz - bufsz; int ret = -1; buf = do_malloc(bufsz); @@ -211,6 +211,7 @@ static int huge_file_test(int fd, int testnum, off_t filsz) goto out; memset(buf, 'a', bufsz); + /* |- DATA -|- HUGE HOLE -|- DATA -| */ ret = do_pwrite(fd, buf, bufsz, 0); if (ret) goto out; From sandeen@redhat.com Mon Apr 21 13:20:38 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 99CD729DF7 for ; Mon, 21 Apr 2014 13:20:38 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 8AF888F8049 for ; Mon, 21 Apr 2014 11:20:38 -0700 (PDT) X-ASG-Debug-ID: 1398104434-04cbb06e9b21fa70001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id OxlYJBbq2Rg4LuR1 for ; Mon, 21 Apr 2014 11:20:34 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx02.intmail.prod.int.phx2.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3LIKTPU019333 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Mon, 21 Apr 2014 14:20:32 -0400 Received: from liberator.sandeen.net (ovpn01.gateway.prod.ext.phx2.redhat.com [10.5.9.1]) by int-mx02.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id s3LGU3PT025073 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES128-SHA bits=128 verify=NO); Mon, 21 Apr 2014 12:30:04 -0400 Message-ID: <5355478C.8070905@redhat.com> Date: Mon, 21 Apr 2014 11:30:04 -0500 From: Eric Sandeen User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:24.0) Gecko/20100101 Thunderbird/24.4.0 MIME-Version: 1.0 To: xfs-oss CC: ext4 development , Theodore Tso Subject: [PATCH] xfstests: introduce FSX_AVOID env var X-Enigmail-Version: 1.6 X-ASG-Orig-Subj: [PATCH] xfstests: introduce FSX_AVOID env var Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Scanned-By: MIMEDefang 2.67 on 10.5.11.12 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1398104434 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 Just like FSSTRESS_AVOID, FSX_AVOID can be used to add options at the end of the default fsx runs in each test. i.e. FSX_AVOID="-H -z -C" will disable punch hole, zero range, and collapse range calls in all tests which run fsx. This should handle Ted's concerns about buggy ext4 fallocate code without needing to add tunables to the kernel to reject these operations during xfstests runs. Signed-off-by: Eric Sandeen --- diff --git a/README b/README index 295d67f..b299c8f 100644 --- a/README +++ b/README @@ -68,6 +68,11 @@ Preparing system for tests (IRIX and Linux): - setenv FSTYP "the filesystem you want to test", the filesystem type is devised from the TEST_DEV device, but you may want to override it; if unset, the default is 'xfs' + - setenv FSSTRESS_AVOID and/or FSX_AVOID, which contain options + added to the end of fsstresss and fsx invocations, respectively, + in case you wish to exclude certain operational modes from these + tests. + - or add a case to the switch in common/config assigning these variables based on the hostname of your test machine diff --git a/tests/generic/075 b/tests/generic/075 index 8b4ab39..af4f34b 100755 --- a/tests/generic/075 +++ b/tests/generic/075 @@ -75,7 +75,7 @@ _do_test() # This cd and use of -P gets full debug on $here (not TEST_DEV) cd $out - if ! $here/ltp/fsx $_param -P $here $seq.$_n &>/dev/null + if ! $here/ltp/fsx $_param -P $here $seq.$_n $FSX_AVOID &>/dev/null then echo " fsx ($_param) failed, $? - compare $seqres.$_n.{good,bad,fsxlog}" mv $out/$seq.$_n $seqres.$_n.full diff --git a/tests/generic/091 b/tests/generic/091 index bb176f1..e7b60fe 100755 --- a/tests/generic/091 +++ b/tests/generic/091 @@ -46,7 +46,7 @@ run_fsx() echo fsx $@ | tee -a $seqres.full args=`echo $@ | sed -e "s/ BSIZE / $bsize /g" -e "s/ PSIZE / $psize /g"` rm -f $TEST_DIR/junk - $here/ltp/fsx $args $TEST_DIR/junk >>$seqres.full 2>&1 + $here/ltp/fsx $args $FSX_AVOID $TEST_DIR/junk >>$seqres.full 2>&1 if [ $? -ne 0 ]; then cat $seqres.full exit 1 diff --git a/tests/generic/112 b/tests/generic/112 index 4918f75..1e34d99 100755 --- a/tests/generic/112 +++ b/tests/generic/112 @@ -75,7 +75,7 @@ _do_test() # This cd and use of -P gets full debug on $here (not TEST_DEV) cd $out - if ! $here/ltp/fsx $_param -P $here $seq.$_n &>/dev/null + if ! $here/ltp/fsx $_param -P $here $FSX_AVOID $seq.$_n &>/dev/null then echo " fsx ($_param) returned $? - see $seq.$_n.full" mv $seq.$_n.fsxlog $seqres.$_n.full diff --git a/tests/generic/127 b/tests/generic/127 index 58ca91e..f6b7f95 100755 --- a/tests/generic/127 +++ b/tests/generic/127 @@ -51,7 +51,7 @@ _fsx_lite_nommap() { echo "=== FSX Light Mode, No Memory Mapping ===" dd if=/dev/zero of=$TEST_DIR/fsx_lite_nommap bs=${FSX_FILE_SIZE} count=1 > /dev/null 2>&1 - if ! ltp/fsx $FSX_ARGS -L -R -W $TEST_DIR/fsx_lite_nommap > $tmp.output 2>&1 + if ! ltp/fsx $FSX_ARGS -L -R -W $FSX_AVOID $TEST_DIR/fsx_lite_nommap > $tmp.output 2>&1 then echo "ltp/fsx $FSX_ARGS -L -R -W $TEST_DIR/fsx_lite_nommap" cat $tmp.output @@ -65,7 +65,7 @@ _fsx_lite_mmap() { echo "=== FSX Light Mode, Memory Mapping ===" dd if=/dev/zero of=$TEST_DIR/fsx_lite_mmap bs=${FSX_FILE_SIZE} count=1 > /dev/null 2>&1 - if ! ltp/fsx $FSX_ARGS -L $TEST_DIR/fsx_lite_mmap > $tmp.output 2>&1 + if ! ltp/fsx $FSX_ARGS -L $FSX_AVOID $TEST_DIR/fsx_lite_mmap > $tmp.output 2>&1 then echo "ltp/fsx $FSX_ARGS -L fsx_lite_mmap" cat $tmp.output @@ -78,7 +78,7 @@ _fsx_lite_mmap() _fsx_std_nommap() { echo "=== FSX Standard Mode, No Memory Mapping ===" - if ! ltp/fsx $FSX_ARGS -R -W $TEST_DIR/fsx_std_nommap > $tmp.output 2>&1 + if ! ltp/fsx $FSX_ARGS -R -W $FSX_AVOID $TEST_DIR/fsx_std_nommap > $tmp.output 2>&1 then echo "ltp/fsx $FSX_ARGS -R -W fsx_std_nommap" cat $tmp.output @@ -91,7 +91,7 @@ _fsx_std_nommap() _fsx_std_mmap() { echo "=== FSX Standard Mode, Memory Mapping ===" - if ! ltp/fsx $FSX_ARGS $TEST_DIR/fsx_std_mmap > $tmp.output 2>&1 + if ! ltp/fsx $FSX_ARGS $FSX_AVOID $TEST_DIR/fsx_std_mmap > $tmp.output 2>&1 then echo "ltp/fsx $FSX_ARGS fsx_std_mmap" cat $tmp.output diff --git a/tests/generic/231 b/tests/generic/231 index a7cff35..df7d76c 100755 --- a/tests/generic/231 +++ b/tests/generic/231 @@ -48,7 +48,7 @@ _fsx() SEED=$RANDOM echo "ltp/fsx $FSX_ARGS -S $SEED $SCRATCH_MNT/fsx_file$i" >>$seqres.full su $qa_user -c "ltp/fsx $FSX_ARGS -S $SEED \ - $SCRATCH_MNT/fsx_file$i" >$tmp.output$i 2>&1 & + $FSX_AVOID $SCRATCH_MNT/fsx_file$i" >$tmp.output$i 2>&1 & done for (( i = 1; i <= $tasks; i++ )); do diff --git a/tests/generic/263 b/tests/generic/263 index bc59865..6ecb74d 100755 --- a/tests/generic/263 +++ b/tests/generic/263 @@ -46,7 +46,7 @@ run_fsx() echo fsx $@ | tee -a $seqres.full args=`echo $@ | sed -e "s/ BSIZE / $bsize /g" -e "s/ PSIZE / $psize /g"` rm -f $TEST_DIR/junk - $here/ltp/fsx $args $TEST_DIR/junk >>$seqres.full 2>&1 + $here/ltp/fsx $args $FSX_AVOID $TEST_DIR/junk >>$seqres.full 2>&1 if [ $? -ne 0 ]; then cat $seqres.full exit 1 From sandeen@redhat.com Mon Apr 21 15:26:57 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 2C9D829DF7 for ; Mon, 21 Apr 2014 15:26:57 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id 10D51304043 for ; Mon, 21 Apr 2014 13:26:53 -0700 (PDT) X-ASG-Debug-ID: 1398112009-04cbb06e9d224120001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id qJtXiosAOtBgfv4g for ; Mon, 21 Apr 2014 13:26:49 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3LKQnOg008149 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Mon, 21 Apr 2014 16:26:49 -0400 Received: from liberator.sandeen.net (ovpn01.gateway.prod.ext.phx2.redhat.com [10.5.9.1]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s3LKQmDA020728 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES128-SHA bits=128 verify=NO) for ; Mon, 21 Apr 2014 16:26:48 -0400 Message-ID: <53557F09.8090000@redhat.com> Date: Mon, 21 Apr 2014 15:26:49 -0500 From: Eric Sandeen User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:24.0) Gecko/20100101 Thunderbird/24.4.0 MIME-Version: 1.0 To: xfs-oss Subject: [PATCH] xfstests: test X_QUOTARM functionality X-Enigmail-Version: 1.6 X-ASG-Orig-Subj: [PATCH] xfstests: test X_QUOTARM functionality Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1398112009 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 The Q_XQUOTARM quotactl was not working properly, because we weren't passing in proper flags. The xfs_fs_set_xstate() ioctl handler used the same flags for Q_XQUOTAON/OFF as well as Q_XQUOTARM, but Q_XQUOTAON/OFF look for XFS_UQUOTA_ACCT, XFS_UQUOTA_ENFD, XFS_GQUOTA_ACCT etc, i.e. quota type + state, while Q_XQUOTARM looks only for the type of quota, i.e. XFS_DQ_USER, XFS_DQ_GROUP etc. Unfortunately these flag spaces overlap a bit, so we got semi-random results for Q_XQUOTARM; i.e. the value for XFS_DQ_USER == XFS_UQUOTA_ACCT, etc. yeargh. Anyway, here's a simple test that demonstrates it, kernel patch to fix it will follow. Signed-off-by: Eric Sandeen --- It only tests user & group; if we really want project as well, it could be expanded w/ a little more complexity... diff --git a/tests/xfs/307 b/tests/xfs/307 new file mode 100755 index 0000000..8969e4a --- /dev/null +++ b/tests/xfs/307 @@ -0,0 +1,79 @@ +#! /bin/bash +# FS QA Test No. 307 +# +# Test to verify Q_XQUOTARM functionality. +# +#----------------------------------------------------------------------- +# Copyright (c) 2014 Red Hat, Inc. All Rights Reserved. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it would be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write the Free Software Foundation, +# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +#----------------------------------------------------------------------- +# + +seq=`basename $0` +seqres=$RESULT_DIR/$seq +echo "QA output created by $seq" + +here=`pwd` +tmp=/tmp/$$ +status=1 # failure is the default! +trap "_cleanup; exit \$status" 0 1 2 3 15 + +_cleanup() +{ + cd / + rm -f $tmp.* +} + +# get standard environment, filters and checks +. ./common/rc +. ./common/filter +. ./common/quota + +# Modify as appropriate. +_supported_fs xfs +_supported_os Linux Irix + +_require_scratch +_require_xfs_quota + +_scratch_mkfs_xfs >/dev/null 2>&1 + +_qmount_option "uquota,gquota" +_qmount + +echo "*** umount" +umount $SCRATCH_MNT + +UQUOTINO=`xfs_db -c "sb 0" -c "p" $SCRATCH_DEV | grep uquotino | awk '{print $NF}'` +GQUOTINO=`xfs_db -c "sb 0" -c "p" $SCRATCH_DEV | grep gquotino | awk '{print $NF}'` + +echo "*** Usage before quotarm ***" +xfs_db -c "inode $UQUOTINO" -c "p core.nblocks" $SCRATCH_DEV +xfs_db -c "inode $GQUOTINO" -c "p core.nblocks" $SCRATCH_DEV + +_qmount +echo "*** turn off user and group quotas" +xfs_quota -x -c 'off -ug' $SCRATCH_MNT +xfs_quota -x -c "remove -ug" $SCRATCH_MNT +echo "*** umount" +umount $SCRATCH_MNT + +echo "*** Usage after quotarm ***" +xfs_db -c "inode $UQUOTINO" -c "p core.nblocks" $SCRATCH_DEV +xfs_db -c "inode $GQUOTINO" -c "p core.nblocks" $SCRATCH_DEV + +# success, all done +status=0 +exit diff --git a/tests/xfs/307.out b/tests/xfs/307.out new file mode 100644 index 0000000..b2fce7a --- /dev/null +++ b/tests/xfs/307.out @@ -0,0 +1,10 @@ +QA output created by 307 +*** umount +*** Usage before quotarm *** +core.nblocks = 1 +core.nblocks = 1 +*** turn off user and group quotas +*** umount +*** Usage after quotarm *** +core.nblocks = 0 +core.nblocks = 0 diff --git a/tests/xfs/group b/tests/xfs/group index e9c4808..d3f7148 100644 --- a/tests/xfs/group +++ b/tests/xfs/group @@ -190,3 +190,4 @@ 304 auto quick quota 305 auto quota 306 auto stress log metadata repair +307 auto quota quick From sandeen@redhat.com Mon Apr 21 15:33:39 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 394C229DF7 for ; Mon, 21 Apr 2014 15:33:39 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id F1A9830404E for ; Mon, 21 Apr 2014 13:33:38 -0700 (PDT) X-ASG-Debug-ID: 1398112417-04bdf04555230c20001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id yrHLeRvy6mDRu1Mc for ; Mon, 21 Apr 2014 13:33:37 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3LKXbR3010436 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Mon, 21 Apr 2014 16:33:37 -0400 Received: from liberator.sandeen.net (ovpn01.gateway.prod.ext.phx2.redhat.com [10.5.9.1]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s3LKXao6023374 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES128-SHA bits=128 verify=NO) for ; Mon, 21 Apr 2014 16:33:37 -0400 Message-ID: <535580A1.20806@redhat.com> Date: Mon, 21 Apr 2014 15:33:37 -0500 From: Eric Sandeen User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:24.0) Gecko/20100101 Thunderbird/24.4.0 MIME-Version: 1.0 To: xfs-oss Subject: [PATCH] xfs: fix Q_XQUOTARM ioctl X-Enigmail-Version: 1.6 X-ASG-Orig-Subj: [PATCH] xfs: fix Q_XQUOTARM ioctl Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1398112417 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 The Q_XQUOTARM quotactl was not working properly, because we weren't passing around proper flags. The xfs_fs_set_xstate() ioctl handler used the same flags for Q_XQUOTAON/OFF as well as for Q_XQUOTARM, but Q_XQUOTAON/OFF look for XFS_UQUOTA_ACCT, XFS_UQUOTA_ENFD, XFS_GQUOTA_ACCT etc, i.e. quota type + state, while Q_XQUOTARM looks only for the type of quota, i.e. XFS_DQ_USER, XFS_DQ_GROUP etc. Unfortunately these flag spaces overlap a bit, so we got semi-random results for Q_XQUOTARM; i.e. the value for XFS_DQ_USER == XFS_UQUOTA_ACCT, etc. yeargh. Split out the flag conversion from userspace to kernelspace, depending on the quotactl that is being executed; add 2 new helpers to do this, so that we send the right flags to the lower-level functions. This has been broken more or less forever, AFAICT. Signed-off-by: Eric Sandeen --- diff --git a/fs/xfs/xfs_quotaops.c b/fs/xfs/xfs_quotaops.c index af33caf..6f14b8f 100644 --- a/fs/xfs/xfs_quotaops.c +++ b/fs/xfs/xfs_quotaops.c @@ -66,19 +66,11 @@ xfs_fs_get_xstatev( return -xfs_qm_scall_getqstatv(mp, fqs); } +/* Convert quotactl flags to internal flags for Q_XQUOTAON/OFF */ STATIC int -xfs_fs_set_xstate( - struct super_block *sb, - unsigned int uflags, - int op) +xfs_qm_import_flags(unsigned int uflags) { - struct xfs_mount *mp = XFS_M(sb); - unsigned int flags = 0; - - if (sb->s_flags & MS_RDONLY) - return -EROFS; - if (op != Q_XQUOTARM && !XFS_IS_QUOTA_RUNNING(mp)) - return -ENOSYS; + unsigned int flags = 0; if (uflags & FS_QUOTA_UDQ_ACCT) flags |= XFS_UQUOTA_ACCT; @@ -93,16 +85,52 @@ xfs_fs_set_xstate( if (uflags & FS_QUOTA_PDQ_ENFD) flags |= XFS_PQUOTA_ENFD; + return flags; +} + +/* Convert quotactl flags to internal flags for Q_XQUOTARM */ +STATIC int +xfs_qm_import_qtype_flags(unsigned int uflags) +{ + unsigned int flags = 0; + + if (uflags & FS_USER_QUOTA) + flags |= XFS_DQ_USER; + if (uflags & FS_GROUP_QUOTA) + flags |= XFS_DQ_GROUP; + if (uflags & FS_USER_QUOTA) + flags |= XFS_DQ_PROJ; + + return flags; +} + +STATIC int +xfs_fs_set_xstate( + struct super_block *sb, + unsigned int uflags, + int op) +{ + struct xfs_mount *mp = XFS_M(sb); + unsigned int flags; + + if (sb->s_flags & MS_RDONLY) + return -EROFS; + if (op != Q_XQUOTARM && !XFS_IS_QUOTA_RUNNING(mp)) + return -ENOSYS; + switch (op) { case Q_XQUOTAON: + flags = xfs_qm_import_flags(uflags); return -xfs_qm_scall_quotaon(mp, flags); case Q_XQUOTAOFF: if (!XFS_IS_QUOTA_ON(mp)) return -EINVAL; + flags = xfs_qm_import_flags(uflags); return -xfs_qm_scall_quotaoff(mp, flags); case Q_XQUOTARM: if (XFS_IS_QUOTA_ON(mp)) return -EINVAL; + flags = xfs_qm_import_qtype_flags(uflags); return -xfs_qm_scall_trunc_qfiles(mp, flags); } From enwlinux@gmail.com Mon Apr 21 15:37:01 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=FREEMAIL_FROM,T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 222CE29DF7 for ; Mon, 21 Apr 2014 15:37:01 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id D1E9E8F8064 for ; Mon, 21 Apr 2014 13:37:00 -0700 (PDT) X-ASG-Debug-ID: 1398112618-04bdf04553230ed0001-NocioJ Received: from mail-yh0-f43.google.com (mail-yh0-f43.google.com [209.85.213.43]) by cuda.sgi.com with ESMTP id Hcy07Kwp2Aet3DqD (version=TLSv1 cipher=RC4-SHA bits=128 verify=NO) for ; Mon, 21 Apr 2014 13:36:59 -0700 (PDT) X-Barracuda-Envelope-From: enwlinux@gmail.com X-Barracuda-Apparent-Source-IP: 209.85.213.43 X-Barracuda-IPDD: Level1 [gmail.com/209.85.213.43] Received: by mail-yh0-f43.google.com with SMTP id b6so3979503yha.16 for ; Mon, 21 Apr 2014 13:36:58 -0700 (PDT) X-Barracuda-IPDD: Level1 [gmail.com/209.85.213.43] X-Barracuda-IPDD: Level1 [gmail.com/209.85.213.43] DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=date:from:to:cc:subject:message-id:references:mime-version :content-type:content-disposition:in-reply-to:user-agent; bh=t8k4tBepI9lrHXD6CAVteO3fZgCTAxPBh0UTVUV4Q2w=; b=TeZph08dldZJoQbcMJX1qvcRistid/5jckODaF3TwSHOp5kENAVl32ig6Z0p6HZ2+/ uU0VAXaLLBHJxiblt7aae7cK15ux8Gp2OiyuuUZSIXdyQqiDgQKmQ7JXtcKQDKS574Be 39963h4DWp2h5sZlTjUMuQ7+pu05Lg/OJzZwDRqQEQBZEVjYVKLTD7Hd29jzYDL3uBaS VlAYfTueToz9ncGpRZ4wFM+FYeqqmr8iE0Md/g9mzPzCtd7A0drDlT5xVBikvWZ0xKku pyARgWTXyjo/U62rwQFEgugjjXzjfMaIJwCS/4U1gmQpS7Abl+98SjBDpZVQ40k+8H4o Uy0A== X-Received: by 10.236.35.201 with SMTP id u49mr5508619yha.98.1398112618747; Mon, 21 Apr 2014 13:36:58 -0700 (PDT) Received: from wallace (c-75-67-250-69.hsd1.nh.comcast.net. [75.67.250.69]) by mx.google.com with ESMTPSA id 44sm72734312yhp.17.2014.04.21.13.36.57 for (version=TLSv1.2 cipher=RC4-SHA bits=128/128); Mon, 21 Apr 2014 13:36:58 -0700 (PDT) Date: Mon, 21 Apr 2014 16:36:55 -0400 From: Eric Whitney To: Dave Chinner Cc: Eric Whitney , xfs@oss.sgi.com, linux-ext4@vger.kernel.org Subject: Re: [PATCH] generic: fix check for zero range support in generic/009 Message-ID: <20140421203655.GA960@wallace> X-ASG-Orig-Subj: Re: [PATCH] generic: fix check for zero range support in generic/009 References: <20140419190524.GA2116@wallace> <20140420005645.GB15995@dastard> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140420005645.GB15995@dastard> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: mail-yh0-f43.google.com[209.85.213.43] X-Barracuda-Start-Time: 1398112619 X-Barracuda-Encrypted: RC4-SHA X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.60 X-Barracuda-Spam-Status: No, SCORE=0.60 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=DKIM_SIGNED, DKIM_VERIFIED, MARKETING_SUBJECT X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5125 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.60 MARKETING_SUBJECT Subject contains popular marketing words -0.00 DKIM_VERIFIED Domain Keys Identified Mail: signature passes verification 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature * Dave Chinner : > On Sat, Apr 19, 2014 at 03:05:24PM -0400, Eric Whitney wrote: > > Generic/001 fails when run on a file system that does not support byte range > > zeroing. For example, an EOPNOTSUPP failure occurs when the test is run > > on a pre-3.15 extent-mapped file system. The code in the test intended > > to prevent this contains an apparent typo that results in a check for > > fallocate() rather than zero range support. > > > > Signed-off-by: Eric Whitney > > --- > > tests/generic/009 | 2 +- > > 1 file changed, 1 insertion(+), 1 deletion(-) > > > > diff --git a/tests/generic/009 b/tests/generic/009 > > index b7b0b3f..65abe3c 100644 > > --- a/tests/generic/009 > > +++ b/tests/generic/009 > > @@ -44,7 +44,7 @@ trap "_cleanup ; exit \$status" 0 1 2 3 15 > > > > # real QA test starts here > > _supported_os Linux > > -_require_xfs_io_falloc "fzero" > > +_require_xfs_io_command "fzero" > > There should be a helper in common/rc for this. i.e. > _require_xfs_io_fzero. There's helpers for everything else. Can you > add the helper and wire the tests up to it properly? > Sure. For naming consistency with the other related helper functions, it looks like we'd want to call this _require_xfs_io_falloc_zero(). I'm happy to change this if I'm mistaken. Patches on the way. Thanks, Eric From enwlinux@gmail.com Mon Apr 21 15:40:28 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=FREEMAIL_FROM,T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id D19A329DF7 for ; Mon, 21 Apr 2014 15:40:28 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id B44EF8F804B for ; Mon, 21 Apr 2014 13:40:28 -0700 (PDT) X-ASG-Debug-ID: 1398112827-04cb6c2438225f70001-NocioJ Received: from mail-yh0-f54.google.com (mail-yh0-f54.google.com [209.85.213.54]) by cuda.sgi.com with ESMTP id McmvcAwV5DTdlqZa (version=TLSv1 cipher=RC4-SHA bits=128 verify=NO) for ; Mon, 21 Apr 2014 13:40:27 -0700 (PDT) X-Barracuda-Envelope-From: enwlinux@gmail.com X-Barracuda-Apparent-Source-IP: 209.85.213.54 X-Barracuda-IPDD: Level1 [gmail.com/209.85.213.54] Received: by mail-yh0-f54.google.com with SMTP id f73so4016132yha.27 for ; Mon, 21 Apr 2014 13:40:27 -0700 (PDT) X-Barracuda-IPDD: Level1 [gmail.com/209.85.213.54] X-Barracuda-IPDD: Level1 [gmail.com/209.85.213.54] DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=date:from:to:cc:subject:message-id:mime-version:content-type :content-disposition:user-agent; bh=yYJ5dx4q7zJ6wEfu3pBEEHWV6oZ0P7wEMP2QKSd+gmg=; b=IcWqsUvACZv81M5OD/3g50646A8/lPARTbEN2WGJY7LNmla5Xcz56N9vwkYJCoBcDl HFF2FDEzWDChlf1KzzE/aE6x9yYFBb2vQE87im1d1BPp4slw/OTr9HYM5uTxfZCGhC43 xT5thxAJLkSyVA/YpbE+hlkYmGws2yKwwckIX0Lipl7d/mme3x/PAWmJ8mvvF6DGezC7 jKwssIzYRrw7OBmaKbiScGmaJibwSxuzN2Vz/hCg8wXUdlNSDo5cRdq2PjuwdqoGFbXl KPdAKoDC0bB8U82wyVXiCBoL50TFSfgFEw8EhQzZgLAnuxw5mWBvTxy/JMSCSDwYcI3o E1ag== X-Received: by 10.236.181.4 with SMTP id k4mr4253684yhm.129.1398112827176; Mon, 21 Apr 2014 13:40:27 -0700 (PDT) Received: from wallace (c-75-67-250-69.hsd1.nh.comcast.net. [75.67.250.69]) by mx.google.com with ESMTPSA id s26sm68442092yhg.4.2014.04.21.13.40.26 for (version=TLSv1.2 cipher=RC4-SHA bits=128/128); Mon, 21 Apr 2014 13:40:26 -0700 (PDT) Date: Mon, 21 Apr 2014 16:40:23 -0400 From: Eric Whitney To: xfs@oss.sgi.com Cc: linux-ext4@vger.kernel.org Subject: [PATCH 1/3] xfstests: add helper for zero range support check Message-ID: <20140421204023.GB960@wallace> X-ASG-Orig-Subj: [PATCH 1/3] xfstests: add helper for zero range support check MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: mail-yh0-f54.google.com[209.85.213.54] X-Barracuda-Start-Time: 1398112827 X-Barracuda-Encrypted: RC4-SHA X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=DKIM_SIGNED, DKIM_VERIFIED X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5124 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- -0.00 DKIM_VERIFIED Domain Keys Identified Mail: signature passes verification 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature Add a helper function to verify fallocate zero range support in a style similar to _require_xfs_io_falloc_collapse(), etc. Signed-off-by: Eric Whitney --- common/rc | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/common/rc b/common/rc index acf419b..bcda96a 100644 --- a/common/rc +++ b/common/rc @@ -1375,6 +1375,13 @@ _require_xfs_io_falloc_collapse() _require_xfs_io_command "fcollapse" } +# check that xfs_io, kernel, and filesystem all support fallocate with zero +# range +_require_xfs_io_falloc_zero() +{ + _require_xfs_io_command "fzero" +} + # check that xfs_io, kernel and filesystem support fiemap _require_xfs_io_fiemap() { -- 1.8.3.2 From enwlinux@gmail.com Mon Apr 21 15:43:14 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=FREEMAIL_FROM,T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id E852129DF7 for ; Mon, 21 Apr 2014 15:43:14 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id BAAE58F804B for ; Mon, 21 Apr 2014 13:43:14 -0700 (PDT) X-ASG-Debug-ID: 1398112993-04cb6c2437226170001-NocioJ Received: from mail-yk0-f172.google.com (mail-yk0-f172.google.com [209.85.160.172]) by cuda.sgi.com with ESMTP id S1hdLBEowlqKLa0P (version=TLSv1 cipher=RC4-SHA bits=128 verify=NO) for ; Mon, 21 Apr 2014 13:43:13 -0700 (PDT) X-Barracuda-Envelope-From: enwlinux@gmail.com X-Barracuda-Apparent-Source-IP: 209.85.160.172 X-Barracuda-IPDD: Level1 [gmail.com/209.85.160.172] Received: by mail-yk0-f172.google.com with SMTP id 200so3848407ykr.31 for ; Mon, 21 Apr 2014 13:43:13 -0700 (PDT) X-Barracuda-IPDD: Level1 [gmail.com/209.85.160.172] X-Barracuda-IPDD: Level1 [gmail.com/209.85.160.172] DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=date:from:to:cc:subject:message-id:mime-version:content-type :content-disposition:user-agent; bh=enJumf1toPtVCd/gi15I0+z0SZx5+WM9d8eQMgEVxUQ=; b=Vx1c5EXROXYBO7r/5lKlmwQ+ZMIz1hfmn7oSdHpfqnQubaLJ6GkXhH0AhJ1I2/HOj2 +JE9T2zWD3ZZ9dl/UnXbf02p5Vgj23eLkToAjD5c4LQQ2TkP41ooNlXvwjFY8WGnm+2J i7h1WE/3sDlDHVkadrvNZF5VyzyOUhQ+iZExIxWGVslFGIC15Ts+AwS5lO4TLDzFwOj1 I+p2YDmm4Sjx/S3KNyytct2AdW1A/BdeZuFRq1Q6aSa9uRwcb/4UOxrxFvLtiwzheFJ+ +5F4TUxPzd4mVDEf5+ELBUyZwt20IANN/hFv6UcY2fYK3gOClM+D4eWxNNg4aZrP3T7X Ntlw== X-Received: by 10.236.123.130 with SMTP id v2mr5650674yhh.85.1398112993383; Mon, 21 Apr 2014 13:43:13 -0700 (PDT) Received: from wallace (c-75-67-250-69.hsd1.nh.comcast.net. [75.67.250.69]) by mx.google.com with ESMTPSA id o62sm72847445yha.27.2014.04.21.13.43.12 for (version=TLSv1.2 cipher=RC4-SHA bits=128/128); Mon, 21 Apr 2014 13:43:12 -0700 (PDT) Date: Mon, 21 Apr 2014 16:43:09 -0400 From: Eric Whitney To: xfs@oss.sgi.com Cc: linux-ext4@vger.kernel.org Subject: [PATCH v2 2/3] ext4: fix check for zero range support in ext4/001 Message-ID: <20140421204309.GC960@wallace> X-ASG-Orig-Subj: [PATCH v2 2/3] ext4: fix check for zero range support in ext4/001 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: mail-yk0-f172.google.com[209.85.160.172] X-Barracuda-Start-Time: 1398112993 X-Barracuda-Encrypted: RC4-SHA X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=DKIM_SIGNED, DKIM_VERIFIED X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5124 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- -0.00 DKIM_VERIFIED Domain Keys Identified Mail: signature passes verification 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature Ext4/001 fails when run on a file system that does not support byte range zeroing. For example, an EOPNOTSUPP failure occurs when the test is run on a pre-3.15 extent-mapped file system. The code in the test intended to prevent this contains an apparent typo that results in a check for fallocate() rather than zero range support. v2: Use new wrapper function for the check. Signed-off-by: Eric Whitney --- tests/ext4/001 | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tests/ext4/001 b/tests/ext4/001 index d575d9a..8239f0e 100755 --- a/tests/ext4/001 +++ b/tests/ext4/001 @@ -45,7 +45,7 @@ trap "_cleanup ; exit \$status" 0 1 2 3 15 # real QA test starts here _supported_fs ext4 _supported_os Linux -_require_xfs_io_falloc "fzero" +_require_xfs_io_falloc_zero testfile=$TEST_DIR/001.$$ -- 1.8.3.2 From enwlinux@gmail.com Mon Apr 21 15:45:03 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=FREEMAIL_FROM,T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 1D60C29DF7 for ; Mon, 21 Apr 2014 15:45:03 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 7945BAC005 for ; Mon, 21 Apr 2014 13:44:59 -0700 (PDT) X-ASG-Debug-ID: 1398113098-04cb6c24382262e0001-NocioJ Received: from mail-yk0-f174.google.com (mail-yk0-f174.google.com [209.85.160.174]) by cuda.sgi.com with ESMTP id Iffpmandnb1FW3oM (version=TLSv1 cipher=RC4-SHA bits=128 verify=NO) for ; Mon, 21 Apr 2014 13:44:58 -0700 (PDT) X-Barracuda-Envelope-From: enwlinux@gmail.com X-Barracuda-Apparent-Source-IP: 209.85.160.174 X-Barracuda-IPDD: Level1 [gmail.com/209.85.160.174] Received: by mail-yk0-f174.google.com with SMTP id 20so3802374yks.5 for ; Mon, 21 Apr 2014 13:44:57 -0700 (PDT) X-Barracuda-IPDD: Level1 [gmail.com/209.85.160.174] X-Barracuda-IPDD: Level1 [gmail.com/209.85.160.174] DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=date:from:to:cc:subject:message-id:mime-version:content-type :content-disposition:user-agent; bh=974E+tb5Y7VTxcZjPk+1VQ5rab5r7YueEbTol3XM17o=; b=uUMgBR7ESQZ6IKQTkSSMVyXjRgJMdh8MewBnrubbR1GVRQkqlxxwVndPwQ+LS+ySvK jqdONPtngJ/w4ZXTMm/Z4IyK4XOBHjci7w9D9sfUrj2HGrfL3BAk6f99hbA+W86qYRhM jAVv9snuMCiwKGxBBroTzhO6wuEfUeXNY6fbpcFJpGuoL9kWQK1rfiyZoJkK7PM8fo9N B9Ags1uvkOen8/CkPar1tZU9YxAVx1wfadLySbZzpihd6ZBvzQ+fZhzMsOEbdUktmVlb te6JfGPh00ayKDiPzl6YZmFbXV0VwZUMvLnq9ZHJ5x3MOXp6S0NZukkhMmMT3f/bc9Fe r1TQ== X-Received: by 10.236.83.66 with SMTP id p42mr4806687yhe.122.1398113097903; Mon, 21 Apr 2014 13:44:57 -0700 (PDT) Received: from wallace (c-75-67-250-69.hsd1.nh.comcast.net. [75.67.250.69]) by mx.google.com with ESMTPSA id 46sm72881947yhg.36.2014.04.21.13.44.57 for (version=TLSv1.2 cipher=RC4-SHA bits=128/128); Mon, 21 Apr 2014 13:44:57 -0700 (PDT) Date: Mon, 21 Apr 2014 16:44:54 -0400 From: Eric Whitney To: xfs@oss.sgi.com Cc: linux-ext4@vger.kernel.org Subject: [PATCH v3 3/3] generic: fix check for zero range support in generic/009 Message-ID: <20140421204454.GD960@wallace> X-ASG-Orig-Subj: [PATCH v3 3/3] generic: fix check for zero range support in generic/009 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: mail-yk0-f174.google.com[209.85.160.174] X-Barracuda-Start-Time: 1398113098 X-Barracuda-Encrypted: RC4-SHA X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.60 X-Barracuda-Spam-Status: No, SCORE=0.60 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=DKIM_SIGNED, DKIM_VERIFIED, MARKETING_SUBJECT X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5124 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.60 MARKETING_SUBJECT Subject contains popular marketing words -0.00 DKIM_VERIFIED Domain Keys Identified Mail: signature passes verification 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature Generic/001 fails when run on a file system that does not support byte range zeroing. For example, an EOPNOTSUPP failure occurs when the test is run on a pre-3.15 extent-mapped file system. The code in the test intended to prevent this contains an apparent typo that results in a check for fallocate() rather than zero range support. v2: Use new helper function for the check. Signed-off-by: Eric Whitney --- tests/generic/009 | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tests/generic/009 b/tests/generic/009 index b7b0b3f..b4d3e4b 100644 --- a/tests/generic/009 +++ b/tests/generic/009 @@ -44,7 +44,7 @@ trap "_cleanup ; exit \$status" 0 1 2 3 15 # real QA test starts here _supported_os Linux -_require_xfs_io_falloc "fzero" +_require_xfs_io_falloc_zero testfile=$TEST_DIR/009.$$ -- 1.8.3.2 From sandeen@redhat.com Mon Apr 21 15:45:11 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 53CDC29DFF for ; Mon, 21 Apr 2014 15:45:11 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id 1B02A8F804B for ; Mon, 21 Apr 2014 13:45:10 -0700 (PDT) X-ASG-Debug-ID: 1398113109-04bdf04555231630001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id dlCREt1feFmMFWrq for ; Mon, 21 Apr 2014 13:45:10 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx09.intmail.prod.int.phx2.redhat.com (int-mx09.intmail.prod.int.phx2.redhat.com [10.5.11.22]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3LKj9Tw009257 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Mon, 21 Apr 2014 16:45:09 -0400 Received: from liberator.sandeen.net (ovpn01.gateway.prod.ext.phx2.redhat.com [10.5.9.1]) by int-mx09.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s3LKj7J1007987 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES128-SHA bits=128 verify=NO) for ; Mon, 21 Apr 2014 16:45:08 -0400 Message-ID: <53558354.5040309@redhat.com> Date: Mon, 21 Apr 2014 15:45:08 -0500 From: Eric Sandeen User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:24.0) Gecko/20100101 Thunderbird/24.4.0 MIME-Version: 1.0 To: xfs-oss Subject: [PATCH] xfs: bulletfproof xfs_qm_scall_trunc_qfiles() X-Enigmail-Version: 1.6 X-ASG-Orig-Subj: [PATCH] xfs: bulletfproof xfs_qm_scall_trunc_qfiles() Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Scanned-By: MIMEDefang 2.68 on 10.5.11.22 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1398113109 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 Coverity noticed that if we sent junk into xfs_qm_scall_trunc_qfiles(), we could get back an uninitialized error value. So sanitize the flags we will accept, and initialize error anyway for good measure. (This bug may have been introduced via c61a9e39). Should resolve Coverity CID 1163872. Signed-off-by: Eric Sandeen --- diff --git a/fs/xfs/xfs_qm_syscalls.c b/fs/xfs/xfs_qm_syscalls.c index 3daf5ea..17ec2c2 100644 --- a/fs/xfs/xfs_qm_syscalls.c +++ b/fs/xfs/xfs_qm_syscalls.c @@ -278,9 +279,10 @@ xfs_qm_scall_trunc_qfiles( xfs_mount_t *mp, uint flags) { - int error; + int error = EINVAL; - if (!xfs_sb_version_hasquota(&mp->m_sb) || flags == 0) { + if (!xfs_sb_version_hasquota(&mp->m_sb) || flags == 0 || + (flags & ~XFS_DQ_ALLTYPES)) { xfs_debug(mp, "%s: flags=%x m_qflags=%x", __func__, flags, mp->m_qflags); return XFS_ERROR(EINVAL); From david@fromorbit.com Mon Apr 21 18:13:48 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id DBF757F3F for ; Mon, 21 Apr 2014 18:13:48 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id A83C2304053 for ; Mon, 21 Apr 2014 16:13:45 -0700 (PDT) X-ASG-Debug-ID: 1398122023-04bdf04552238760001-NocioJ Received: from ipmail06.adl2.internode.on.net (ipmail06.adl2.internode.on.net [150.101.137.129]) by cuda.sgi.com with ESMTP id 5UfGEEHO0k8264xM for ; Mon, 21 Apr 2014 16:13:43 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.129 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AlZxAM+lVVN5LEcvPGdsb2JhbABZgwaIbqJok36FZIEeFwMBAQEBODWCJQEBBAE6HCMFCwgDDgoJJQ8FJQMHGhOIOQfNRRcWjkwHgySBFASYbZYTKw Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail06.adl2.internode.on.net with ESMTP; 22 Apr 2014 08:43:09 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WcNOe-00073x-Kt; Tue, 22 Apr 2014 09:13:08 +1000 Date: Tue, 22 Apr 2014 09:13:08 +1000 From: Dave Chinner To: Christoph Hellwig Cc: xfs@oss.sgi.com Subject: Re: [PATCH 1/9] db: don't claim unchecked CRCs are correct Message-ID: <20140421231308.GB18672@dastard> X-ASG-Orig-Subj: Re: [PATCH 1/9] db: don't claim unchecked CRCs are correct References: <1397550301-31883-1-git-send-email-david@fromorbit.com> <1397550301-31883-2-git-send-email-david@fromorbit.com> <20140421070009.GC20384@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140421070009.GC20384@infradead.org> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail06.adl2.internode.on.net[150.101.137.129] X-Barracuda-Start-Time: 1398122023 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5131 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Mon, Apr 21, 2014 at 12:00:09AM -0700, Christoph Hellwig wrote: > > + switch (iocur_crc_valid()) { > > + case -1: > > + ok = "unchecked"; > > + break; > > + case 0: > > + ok = "bad"; > > + break; > > + case 1: > > + ok = "correct"; > > + break; > > + default: > > + ok = "unknown state"; > > + break; > > + } > > We should have symbolic constants for these return values. But then > again iocur_crc_valid only has a single caller currently, is it even > worth the effort, or should we simply inline it? If we grow another user, I'll add an enum for it... > Otherwise looks good, > > Reviewed-by: Christoph Hellwig Thanks. -- Dave Chinner david@fromorbit.com From david@fromorbit.com Mon Apr 21 18:14:18 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 535BC7F3F for ; Mon, 21 Apr 2014 18:14:18 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 2720E8F8066 for ; Mon, 21 Apr 2014 16:14:15 -0700 (PDT) X-ASG-Debug-ID: 1398122053-04cbb06e9c22c280001-NocioJ Received: from ipmail06.adl2.internode.on.net (ipmail06.adl2.internode.on.net [150.101.137.129]) by cuda.sgi.com with ESMTP id ZTDWEy6vz0t6iou3 for ; Mon, 21 Apr 2014 16:14:13 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.129 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AlRxAM+lVVN5LEcvPGdsb2JhbABZgwaIbqJok36FZIEeFwMBAQEBODWCJQEBBScTHCMQCAMOCgklDwUlAwcaE4hAzUUXFo5MB4MkgRQBA5htlhMr Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail06.adl2.internode.on.net with ESMTP; 22 Apr 2014 08:44:03 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WcNPW-000748-8d; Tue, 22 Apr 2014 09:14:02 +1000 Date: Tue, 22 Apr 2014 09:14:02 +1000 From: Dave Chinner To: Christoph Hellwig Cc: xfs@oss.sgi.com Subject: Re: [PATCH 2/9] db: verify buffer on type change Message-ID: <20140421231402.GC18672@dastard> X-ASG-Orig-Subj: Re: [PATCH 2/9] db: verify buffer on type change References: <1397550301-31883-1-git-send-email-david@fromorbit.com> <1397550301-31883-3-git-send-email-david@fromorbit.com> <20140421070252.GD20384@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140421070252.GD20384@infradead.org> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail06.adl2.internode.on.net[150.101.137.129] X-Barracuda-Start-Time: 1398122053 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5131 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Mon, Apr 21, 2014 at 12:02:52AM -0700, Christoph Hellwig wrote: > > +void > > +set_iocur_type( > > + const typ_t *t) > > +{ > > + const struct xfs_buf_ops *ops = t ? t->bops : NULL; > > + struct xfs_buf *bp = iocur_top->bp; > > + > > + iocur_top->typ = t; > > + > > + /* verify the buffer if the type has one. */ > > + if (!bp) > > + return; > > + if (!ops) { > > + bp->b_ops = NULL; > > + bp->b_flags |= LIBXFS_B_UNCHECKED; > > + return; > > + } > > The only caller currently makes sure we never pass a NULL t argument, > and I think keeping it that way is sensible. If we want to allow > clearing the type we should add a separate clear_iocur_type helper for > it. Ok, I'll clear the conditional initialisation of *ops. -- Dave Chinner david@fromorbit.com From david@fromorbit.com Mon Apr 21 18:27:30 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id ED35C7F3F for ; Mon, 21 Apr 2014 18:27:30 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id CBD69304053 for ; Mon, 21 Apr 2014 16:27:30 -0700 (PDT) X-ASG-Debug-ID: 1398122844-04cb6c243622dba0001-NocioJ Received: from ipmail06.adl2.internode.on.net (ipmail06.adl2.internode.on.net [150.101.137.129]) by cuda.sgi.com with ESMTP id R1fagY6WsF2bIolA for ; Mon, 21 Apr 2014 16:27:25 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.129 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AldxAPOnVVN5LEcvPGdsb2JhbABZgwaIbqJok36FZIEeFwMBAQEBODWCJQEBBAEnExwjEAgDDgcDCSUPBSUDBxoTiDkHzUcXFo5MB4MkgRQEmG2WEyuBLiQ Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail06.adl2.internode.on.net with ESMTP; 22 Apr 2014 08:57:24 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WcNcR-00075e-9H; Tue, 22 Apr 2014 09:27:23 +1000 Date: Tue, 22 Apr 2014 09:27:23 +1000 From: Dave Chinner To: Brian Foster Cc: xfs@oss.sgi.com Subject: Re: [PATCH 9/9] repair: detect and handle attribute tree CRC errors Message-ID: <20140421232723.GD18672@dastard> X-ASG-Orig-Subj: Re: [PATCH 9/9] repair: detect and handle attribute tree CRC errors References: <1397550301-31883-1-git-send-email-david@fromorbit.com> <1397550301-31883-10-git-send-email-david@fromorbit.com> <20140416132503.GC4180@laptop.bfoster> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140416132503.GC4180@laptop.bfoster> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail06.adl2.internode.on.net[150.101.137.129] X-Barracuda-Start-Time: 1398122844 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5131 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Wed, Apr 16, 2014 at 09:25:04AM -0400, Brian Foster wrote: > On Tue, Apr 15, 2014 at 06:25:01PM +1000, Dave Chinner wrote: > > From: Dave Chinner > > > > Currently the attribute code will not detect and correct errors in > > the attribute tree. It also fails to validate the CRCs and headers > > on remote attribute blocks. Ensure that all the attribute blocks are > > CRC checked and that the processing functions understand the correct > > block formats for decoding. > > > > Signed-off-by: Dave Chinner > > --- > > repair/attr_repair.c | 35 ++++++++++++++++++++++++++++------- > > 1 file changed, 28 insertions(+), 7 deletions(-) > > > > diff --git a/repair/attr_repair.c b/repair/attr_repair.c > > index ba85ac2..13ec90e 100644 > > --- a/repair/attr_repair.c > > +++ b/repair/attr_repair.c > > @@ -611,6 +611,8 @@ verify_da_path(xfs_mount_t *mp, > > ASSERT(cursor->level[this_level].dirty == 0 || > > (cursor->level[this_level].dirty && !no_modify)); > > > > + if (bp->b_error == EFSBADCRC) > > + cursor->level[this_level].dirty++; > > I was wondering why this wasn't checked closer to the readbuf call, then > I noticed the assert. Any reason not to be consistent with the other > changes, move this up closer to the call and nuke the assert? Because I didn't want to modify the cursor state if the buffer failed the basic checks (i.e. if (bad) {... return} branch was taken) as if it is bad we aren't even going to try to repair it. Hence marking it dirty for writeout when it might not even be an attr block is probably a bad thing... > > if (!bp) { > > do_warn( > > _("can't read file block %u (fsbno %" PRIu64 ") for attribute fork of inode %" PRIu64 "\n"), > > da_bno, dev_bno, ino); > > goto error_out; > > } > > + if (bp->b_error == EFSBADCRC) > > + repair++; > > Could you remind me why we only check EFSBADCRC in some places and > EFSCORRUPTED as well in others? Here we are checking and repairing the buffer, so EFSCORRUPTED detection doesn't provide any value - if there is a corruption, repair will already handle it and fix it. Hence this is here to catch a buffer with a bad CRC but is otherwise good (e.g. bit error in usused/unreferenced space in the metadata block). > > > > > leaf = bp->b_addr; > > xfs_attr3_leaf_hdr_from_disk(&leafhdr, leaf); > > @@ -1382,9 +1401,9 @@ process_leaf_attr_level(xfs_mount_t *mp, > > > > current_hashval = greatest_hashval; > > > > - if (repair && !no_modify) > > + if (repair && !no_modify) > > libxfs_writebuf(bp, 0); > > - else > > + else > > libxfs_putbuf(bp); > > } while (da_bno != 0); > > > > @@ -1512,6 +1531,8 @@ process_longform_attr( > > ino); > > return(1); > > } > > + if (bp->b_error == EFSBADCRC) > > + (*repair)++; > > Note that repair is unconditionally reset to 0 at the beginning of > process_leaf_attr_block() (in the XFS_ATTR_LEAF_MAGIC case further down > this function). Oh, so it is. I missed that. Good catch! Will fix. Cheers, Dave. -- Dave Chinner david@fromorbit.com From david@fromorbit.com Mon Apr 21 18:35:16 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id B575B7F3F for ; Mon, 21 Apr 2014 18:35:16 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 345FDAC007 for ; Mon, 21 Apr 2014 16:35:16 -0700 (PDT) X-ASG-Debug-ID: 1398123313-04cb6c243722e140001-NocioJ Received: from ipmail06.adl2.internode.on.net (ipmail06.adl2.internode.on.net [150.101.137.129]) by cuda.sgi.com with ESMTP id sr4cTuQKfJJEMmHz for ; Mon, 21 Apr 2014 16:35:14 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.129 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AlhxAHuqVVN5LEcvPGdsb2JhbABZgwaIbqJok36FZIEeFwMBAQEBODWCJQEBBAEnExwjBQsIAw4HAwklDwUlAwcaE4g5B800FxaOTAeDJIEUBJhtlhMr Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail06.adl2.internode.on.net with ESMTP; 22 Apr 2014 09:05:13 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WcNk0-00076h-8B; Tue, 22 Apr 2014 09:35:12 +1000 Date: Tue, 22 Apr 2014 09:35:12 +1000 From: Dave Chinner To: Christoph Hellwig Cc: xfs@oss.sgi.com Subject: Re: [PATCH 5/9] repair: detect CRC errors in AG headers Message-ID: <20140421233512.GE18672@dastard> X-ASG-Orig-Subj: Re: [PATCH 5/9] repair: detect CRC errors in AG headers References: <1397550301-31883-1-git-send-email-david@fromorbit.com> <1397550301-31883-6-git-send-email-david@fromorbit.com> <20140421071106.GF20384@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140421071106.GF20384@infradead.org> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail06.adl2.internode.on.net[150.101.137.129] X-Barracuda-Start-Time: 1398123313 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5131 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Mon, Apr 21, 2014 at 12:11:06AM -0700, Christoph Hellwig wrote: > On Tue, Apr 15, 2014 at 06:24:57PM +1000, Dave Chinner wrote: > > From: Dave Chinner > > > > repair doesn't currently detect verifier errors in AG header > > blocks - apart from the primary superblock they are not detected. > > They are, fortunately, corrected in the important cases (AGF, AGI > > and AGFL) because these structures are rebuilt in phase 5, but if > > you run xfs_repair in checking mode it won't report them as bad. > > Shouldn't we apply the same scheme as for directories here, that is if > it fails with a verifier error re-read without the verifier and then > still do the full check as well? The directory code is the special case - it uses xfs_trans_read_buf* interfaces, which return either a good buffer with no error or an error with no buffer. Hence for the directory code, we have to re-read the buffer without the verifier to grab the unchecked buffer from the cache when the verifier detects an error. > Btw, it might make sense to have special read_buf variants in libxfs > that always return a valid buffer even if the verifier fails, just > telling us about it without having to re-read. That's exactly what they do now - you get the xfs_buf, the data in bp->b_addr and the verifier error in bp->b_error all in one call. Cheers, Dave. -- Dave Chinner david@fromorbit.com From david@fromorbit.com Mon Apr 21 18:44:01 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 44E337F3F for ; Mon, 21 Apr 2014 18:44:01 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id F06DF8F8068 for ; Mon, 21 Apr 2014 16:44:00 -0700 (PDT) X-ASG-Debug-ID: 1398123838-04bdf04555239d70001-NocioJ Received: from ipmail06.adl2.internode.on.net (ipmail06.adl2.internode.on.net [150.101.137.129]) by cuda.sgi.com with ESMTP id ySB31F3UwMTIoKqX for ; Mon, 21 Apr 2014 16:43:58 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.129 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: As1yANWsVVN5LEcvPGdsb2JhbABZgwZPiB+iYgaTfoVkgR4XAwEBAQE4NYIlAQEEATocIwULCAMOCgklDwUlAwcaE4g5B802FxaOTAeDJIEUBJhtimuLKCs Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail06.adl2.internode.on.net with ESMTP; 22 Apr 2014 09:13:26 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WcNrp-00077S-Ne; Tue, 22 Apr 2014 09:43:17 +1000 Date: Tue, 22 Apr 2014 09:43:17 +1000 From: Dave Chinner To: Christoph Hellwig Cc: Steven Rostedt , Eric Sandeen , xfs-oss Subject: Re: [PATCH 2/2] xfs: Nuke XFS_ERROR macro Message-ID: <20140421234317.GF18672@dastard> X-ASG-Orig-Subj: Re: [PATCH 2/2] xfs: Nuke XFS_ERROR macro References: <534EC073.8090006@sandeen.net> <534EC282.7010905@sandeen.net> <20140416175117.GA23643@infradead.org> <534EC42D.1080704@sandeen.net> <534ED5E4.60903@sandeen.net> <20140416220807.GN15995@dastard> <20140416194444.50176f0f@gandalf.local.home> <20140417003956.GS15995@dastard> <20140421065746.GA20384@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140421065746.GA20384@infradead.org> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail06.adl2.internode.on.net[150.101.137.129] X-Barracuda-Start-Time: 1398123838 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5132 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Sun, Apr 20, 2014 at 11:57:46PM -0700, Christoph Hellwig wrote: > On Thu, Apr 17, 2014 at 10:39:56AM +1000, Dave Chinner wrote: > > so, basically a script that does: > > > > #!/bin/bash > > > > TRACEDIR=/sys/kernel/debug/tracing > > > > grep -i 't xfs_' /proc/kallsyms | awk '{print $3}' ; while read F; do > > echo "r:ret_$F $F \$retval" >> $TRACEDIR/kprobe_events > > done > > > > for E in $TRACEDIR/events/kprobes/ret_xfs_*/enable; do > > echo 1 > $E > > done; > > > > echo 'arg1 > 0xffffffffffffff00' > $TRACEDIR/events/kprobes/filter > > > > for T in $TRACEDIR/events/kprobes/ret_xfs_*/trigger; do > > echo 'traceoff if arg1 > 0xffffffffffffff00' > $T > > done > > This looks incredibly useful! Can we throw this into Documentation/ as > a helper script (and make the xfs a command line parameter so it's > genericly useful)? So does that mean you have no more objections to removing XFS_ERROR()? The thing is, that's a quick hack that spews errors all over the place, especially if you run it twice. It needs a counterpart to turn off the tracing, clean up the triggers, etc.... FWIW, what I'd really like is a trace event trigger that triggers a BUG(), so that we can use it to drop into kernel debuggers or get kdump to generate a core that can be analysed offline... > One think that would be nice is to specify a module instead of relying > on a clean namespace, but to replace the XFS functionality the one above > is more than enough. My current hack is invoked like this: $ grep -i 't xfs_' /proc/kallsyms | retval_filter.sh Makes it completely independent of how you supply the symbols to the function. Hence my coments about how it'd be really cool to have this built into in trace-cmd, because the mechanism is independent of how you specify the function list... Cheers, Dave. -- Dave Chinner david@fromorbit.com From david@fromorbit.com Mon Apr 21 18:52:54 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 574427F3F for ; Mon, 21 Apr 2014 18:52:54 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 2A173304053 for ; Mon, 21 Apr 2014 16:52:53 -0700 (PDT) X-ASG-Debug-ID: 1398124371-04cb6c243922edc0001-NocioJ Received: from ipmail06.adl2.internode.on.net (ipmail06.adl2.internode.on.net [150.101.137.129]) by cuda.sgi.com with ESMTP id wCZJpyrG9bGjepOV for ; Mon, 21 Apr 2014 16:52:52 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.129 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AldxAPetVVN5LEcvPGdsb2JhbABZgwaIbqJok36FZIEfFwMBAQEBODWCJQEBBTocIxAIAw4HAgEJJQ8FJQMHDA4TiEDNLBcWjkwHhDgEmG2Ka4soKw Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail06.adl2.internode.on.net with ESMTP; 22 Apr 2014 09:22:51 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WcO13-00078e-Us; Tue, 22 Apr 2014 09:52:49 +1000 Date: Tue, 22 Apr 2014 09:52:49 +1000 From: Dave Chinner To: Christoph Hellwig Cc: Jeff Liu , "xfs@oss.sgi.com" Subject: Re: [PATCH v2 02/10] xfs: consolidate xfs_bulkstat_single Message-ID: <20140421235249.GG18672@dastard> X-ASG-Orig-Subj: Re: [PATCH v2 02/10] xfs: consolidate xfs_bulkstat_single References: <535078AD.5050209@oracle.com> <20140421141148.GA27064@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140421141148.GA27064@infradead.org> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail06.adl2.internode.on.net[150.101.137.129] X-Barracuda-Start-Time: 1398124371 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5132 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Mon, Apr 21, 2014 at 07:11:48AM -0700, Christoph Hellwig wrote: > On Fri, Apr 18, 2014 at 08:58:21AM +0800, Jeff Liu wrote: > > From: Jie Liu > > > > In xfs_bulkstat_single(), call xfs_bulkstat_one() and xfs_bulkstat() > > would return different error if either failed, we'd better return the > > proper error in this case. Moreover, the function argument done is > > useless in terms of xfs_ioc_bulkstat(), hence we can get rid of it. > > I've looked at xfs_bulkstat_single I really can't see how falling back > to the full xfs_bulkstat could fix any error. We probably should just > get rid of the fallback and instead do something like the (lightly tested) > patch below: > > --- > From: Christoph Hellwig > Subject: xfs: remove xfs_bulkstat_single > > xfs_bukstat_one doesn't have any failure case that would go away when > called through xfs_bulkstat, so remove the fallback and the now unessecary > xfs_bulkstat_single function. > > Signed-off-by: Christoph Hellwig *nod* I like this approach :) Cheers, Dave. -- Dave Chinner david@fromorbit.com From dave@fromorbit.com Mon Apr 21 19:00:31 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 572C27F3F for ; Mon, 21 Apr 2014 19:00:31 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id 13F0C8F8035 for ; Mon, 21 Apr 2014 17:00:31 -0700 (PDT) X-ASG-Debug-ID: 1398124827-04bdf0455223a8f0001-NocioJ Received: from ipmail06.adl2.internode.on.net (ipmail06.adl2.internode.on.net [150.101.137.129]) by cuda.sgi.com with ESMTP id d8lVl5wzJXmr22Je for ; Mon, 21 Apr 2014 17:00:28 -0700 (PDT) X-Barracuda-Envelope-From: dave@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.129 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AodwAGKwVVN5LEcvPGdsb2JhbABRCIMGiG6iaJsBFwMBAQEBODWCJQEtLyMYGGoDBy0ZiCfNQI4MCYUMBKx8ggQrgS0 Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail06.adl2.internode.on.net with ESMTP; 22 Apr 2014 09:26:06 +0930 Received: from disappointment.disaster.area ([192.168.1.110] helo=disappointment) by dastard with esmtp (Exim 4.80) (envelope-from ) id 1WcO4D-00079L-SU; Tue, 22 Apr 2014 09:56:05 +1000 Received: from dave by disappointment with local (Exim 4.82) (envelope-from ) id 1WcO4D-0003T5-Qh; Tue, 22 Apr 2014 09:56:05 +1000 From: Dave Chinner To: xfs@oss.sgi.com Cc: viro@ZenIV.linux.org.uk Subject: [PATCH] xfs: remove dquot hints Date: Tue, 22 Apr 2014 09:56:05 +1000 X-ASG-Orig-Subj: [PATCH] xfs: remove dquot hints Message-Id: <1398124565-13299-1-git-send-email-david@fromorbit.com> X-Mailer: git-send-email 1.9.0 X-Barracuda-Connect: ipmail06.adl2.internode.on.net[150.101.137.129] X-Barracuda-Start-Time: 1398124827 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5132 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- From: Dave Chinner group and project quota hints are currently stored on the user dquot. If we are attaching quotas to the inode, then the group and project dquots are stored as hints on the user dquot to save having to look them up again later. The thing is, the hints are not used for that inode for the rest of the life of the inode - the dquots are attached directly to the inode itself - so the only time the hints are used is when an inode first has dquots attached. When the hints on the user dquot don't match the dquots being attache dto the inode, they are then removed and replaced with the new hints. If a user is concurrently modifying files in different group and/or project contexts, then this leads to thrashing of the hints attached to user dquot. If user quotas are not enabled, then hints are never even used. So, if the hints are used to avoid the cost of the lookup, is the cost of the lookup significant enough to justify the hint infrstructure? Maybe it was once, when there was a global quota manager shared between all XFS filesystems and was hash table based. However, lookups are now much simpler, requiring only a single lock and radix tree lookup local to the filesystem and no hash or LRU manipulations to be made. Hence the cost of lookup is much lower than when hints were implemented. Turns out that benchmarks show that, too, with thir being no differnce in performance when doing file creation workloads as a single user with user, group and project quotas enabled - the hints do not make the code go any faster. In fact, removing the hints shows a 2-3% reduction in the time it takes to create 50 million inodes.... So, let's just get rid of the hints and the complexity around them. Signed-off-by: Dave Chinner --- fs/xfs/xfs_dquot.c | 53 ++----------- fs/xfs/xfs_dquot.h | 2 - fs/xfs/xfs_qm.c | 214 ++++++----------------------------------------------- 3 files changed, 29 insertions(+), 240 deletions(-) diff --git a/fs/xfs/xfs_dquot.c b/fs/xfs/xfs_dquot.c index 868b19f..5fec738 100644 --- a/fs/xfs/xfs_dquot.c +++ b/fs/xfs/xfs_dquot.c @@ -832,47 +832,6 @@ restart: return (0); } - -STATIC void -xfs_qm_dqput_final( - struct xfs_dquot *dqp) -{ - struct xfs_quotainfo *qi = dqp->q_mount->m_quotainfo; - struct xfs_dquot *gdqp; - struct xfs_dquot *pdqp; - - trace_xfs_dqput_free(dqp); - - if (list_lru_add(&qi->qi_lru, &dqp->q_lru)) - XFS_STATS_INC(xs_qm_dquot_unused); - - /* - * If we just added a udquot to the freelist, then we want to release - * the gdquot/pdquot reference that it (probably) has. Otherwise it'll - * keep the gdquot/pdquot from getting reclaimed. - */ - gdqp = dqp->q_gdquot; - if (gdqp) { - xfs_dqlock(gdqp); - dqp->q_gdquot = NULL; - } - - pdqp = dqp->q_pdquot; - if (pdqp) { - xfs_dqlock(pdqp); - dqp->q_pdquot = NULL; - } - xfs_dqunlock(dqp); - - /* - * If we had a group/project quota hint, release it now. - */ - if (gdqp) - xfs_qm_dqput(gdqp); - if (pdqp) - xfs_qm_dqput(pdqp); -} - /* * Release a reference to the dquot (decrement ref-count) and unlock it. * @@ -888,10 +847,14 @@ xfs_qm_dqput( trace_xfs_dqput(dqp); - if (--dqp->q_nrefs > 0) - xfs_dqunlock(dqp); - else - xfs_qm_dqput_final(dqp); + if (--dqp->q_nrefs == 0) { + struct xfs_quotainfo *qi = dqp->q_mount->m_quotainfo; + trace_xfs_dqput_free(dqp); + + if (list_lru_add(&qi->qi_lru, &dqp->q_lru)) + XFS_STATS_INC(xs_qm_dquot_unused); + } + xfs_dqunlock(dqp); } /* diff --git a/fs/xfs/xfs_dquot.h b/fs/xfs/xfs_dquot.h index d22ed00..68a68f7 100644 --- a/fs/xfs/xfs_dquot.h +++ b/fs/xfs/xfs_dquot.h @@ -52,8 +52,6 @@ typedef struct xfs_dquot { int q_bufoffset; /* off of dq in buffer (# dquots) */ xfs_fileoff_t q_fileoffset; /* offset in quotas file */ - struct xfs_dquot*q_gdquot; /* group dquot, hint only */ - struct xfs_dquot*q_pdquot; /* project dquot, hint only */ xfs_disk_dquot_t q_core; /* actual usage & quotas */ xfs_dq_logitem_t q_logitem; /* dquot log item */ xfs_qcnt_t q_res_bcount; /* total regular nblks used+reserved */ diff --git a/fs/xfs/xfs_qm.c b/fs/xfs/xfs_qm.c index 348e4d2..72bd0e8 100644 --- a/fs/xfs/xfs_qm.c +++ b/fs/xfs/xfs_qm.c @@ -193,47 +193,6 @@ xfs_qm_dqpurge( } /* - * Release the group or project dquot pointers the user dquots maybe carrying - * around as a hint, and proceed to purge the user dquot cache if requested. -*/ -STATIC int -xfs_qm_dqpurge_hints( - struct xfs_dquot *dqp, - void *data) -{ - struct xfs_dquot *gdqp = NULL; - struct xfs_dquot *pdqp = NULL; - uint flags = *((uint *)data); - - xfs_dqlock(dqp); - if (dqp->dq_flags & XFS_DQ_FREEING) { - xfs_dqunlock(dqp); - return EAGAIN; - } - - /* If this quota has a hint attached, prepare for releasing it now */ - gdqp = dqp->q_gdquot; - if (gdqp) - dqp->q_gdquot = NULL; - - pdqp = dqp->q_pdquot; - if (pdqp) - dqp->q_pdquot = NULL; - - xfs_dqunlock(dqp); - - if (gdqp) - xfs_qm_dqrele(gdqp); - if (pdqp) - xfs_qm_dqrele(pdqp); - - if (flags & XFS_QMOPT_UQUOTA) - return xfs_qm_dqpurge(dqp, NULL); - - return 0; -} - -/* * Purge the dquot cache. */ void @@ -241,18 +200,8 @@ xfs_qm_dqpurge_all( struct xfs_mount *mp, uint flags) { - /* - * We have to release group/project dquot hint(s) from the user dquot - * at first if they are there, otherwise we would run into an infinite - * loop while walking through radix tree to purge other type of dquots - * since their refcount is not zero if the user dquot refers to them - * as hint. - * - * Call the special xfs_qm_dqpurge_hints() will end up go through the - * general xfs_qm_dqpurge() against user dquot cache if requested. - */ - xfs_qm_dquot_walk(mp, XFS_DQ_USER, xfs_qm_dqpurge_hints, &flags); - + if (flags & XFS_QMOPT_UQUOTA) + xfs_qm_dquot_walk(mp, XFS_DQ_USER, xfs_qm_dqpurge, NULL); if (flags & XFS_QMOPT_GQUOTA) xfs_qm_dquot_walk(mp, XFS_DQ_GROUP, xfs_qm_dqpurge, NULL); if (flags & XFS_QMOPT_PQUOTA) @@ -409,7 +358,6 @@ xfs_qm_dqattach_one( xfs_dqid_t id, uint type, uint doalloc, - xfs_dquot_t *udqhint, /* hint */ xfs_dquot_t **IO_idqpp) { xfs_dquot_t *dqp; @@ -419,9 +367,9 @@ xfs_qm_dqattach_one( error = 0; /* - * See if we already have it in the inode itself. IO_idqpp is - * &i_udquot or &i_gdquot. This made the code look weird, but - * made the logic a lot simpler. + * See if we already have it in the inode itself. IO_idqpp is &i_udquot + * or &i_gdquot. This made the code look weird, but made the logic a lot + * simpler. */ dqp = *IO_idqpp; if (dqp) { @@ -430,49 +378,10 @@ xfs_qm_dqattach_one( } /* - * udqhint is the i_udquot field in inode, and is non-NULL only - * when the type arg is group/project. Its purpose is to save a - * lookup by dqid (xfs_qm_dqget) by caching a group dquot inside - * the user dquot. - */ - if (udqhint) { - ASSERT(type == XFS_DQ_GROUP || type == XFS_DQ_PROJ); - xfs_dqlock(udqhint); - - /* - * No need to take dqlock to look at the id. - * - * The ID can't change until it gets reclaimed, and it won't - * be reclaimed as long as we have a ref from inode and we - * hold the ilock. - */ - if (type == XFS_DQ_GROUP) - dqp = udqhint->q_gdquot; - else - dqp = udqhint->q_pdquot; - if (dqp && be32_to_cpu(dqp->q_core.d_id) == id) { - ASSERT(*IO_idqpp == NULL); - - *IO_idqpp = xfs_qm_dqhold(dqp); - xfs_dqunlock(udqhint); - return 0; - } - - /* - * We can't hold a dquot lock when we call the dqget code. - * We'll deadlock in no time, because of (not conforming to) - * lock ordering - the inodelock comes before any dquot lock, - * and we may drop and reacquire the ilock in xfs_qm_dqget(). - */ - xfs_dqunlock(udqhint); - } - - /* - * Find the dquot from somewhere. This bumps the - * reference count of dquot and returns it locked. - * This can return ENOENT if dquot didn't exist on - * disk and we didn't ask it to allocate; - * ESRCH if quotas got turned off suddenly. + * Find the dquot from somewhere. This bumps the reference count of + * dquot and returns it locked. This can return ENOENT if dquot didn't + * exist on disk and we didn't ask it to allocate; ESRCH if quotas got + * turned off suddenly. */ error = xfs_qm_dqget(ip->i_mount, ip, id, type, doalloc | XFS_QMOPT_DOWARN, &dqp); @@ -490,48 +399,6 @@ xfs_qm_dqattach_one( return 0; } - -/* - * Given a udquot and group/project type, attach the group/project - * dquot pointer to the udquot as a hint for future lookups. - */ -STATIC void -xfs_qm_dqattach_hint( - struct xfs_inode *ip, - int type) -{ - struct xfs_dquot **dqhintp; - struct xfs_dquot *dqp; - struct xfs_dquot *udq = ip->i_udquot; - - ASSERT(type == XFS_DQ_GROUP || type == XFS_DQ_PROJ); - - xfs_dqlock(udq); - - if (type == XFS_DQ_GROUP) { - dqp = ip->i_gdquot; - dqhintp = &udq->q_gdquot; - } else { - dqp = ip->i_pdquot; - dqhintp = &udq->q_pdquot; - } - - if (*dqhintp) { - struct xfs_dquot *tmp; - - if (*dqhintp == dqp) - goto done; - - tmp = *dqhintp; - *dqhintp = NULL; - xfs_qm_dqrele(tmp); - } - - *dqhintp = xfs_qm_dqhold(dqp); -done: - xfs_dqunlock(udq); -} - static bool xfs_qm_need_dqattach( struct xfs_inode *ip) @@ -562,7 +429,6 @@ xfs_qm_dqattach_locked( uint flags) { xfs_mount_t *mp = ip->i_mount; - uint nquotas = 0; int error = 0; if (!xfs_qm_need_dqattach(ip)) @@ -570,77 +436,39 @@ xfs_qm_dqattach_locked( ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL)); - if (XFS_IS_UQUOTA_ON(mp)) { + if (XFS_IS_UQUOTA_ON(mp) && !ip->i_udquot) { error = xfs_qm_dqattach_one(ip, ip->i_d.di_uid, XFS_DQ_USER, flags & XFS_QMOPT_DQALLOC, - NULL, &ip->i_udquot); + &ip->i_udquot); if (error) goto done; - nquotas++; + ASSERT(ip->i_udquot); } - ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL)); - if (XFS_IS_GQUOTA_ON(mp)) { + if (XFS_IS_GQUOTA_ON(mp) && !ip->i_gdquot) { error = xfs_qm_dqattach_one(ip, ip->i_d.di_gid, XFS_DQ_GROUP, flags & XFS_QMOPT_DQALLOC, - ip->i_udquot, &ip->i_gdquot); - /* - * Don't worry about the udquot that we may have - * attached above. It'll get detached, if not already. - */ + &ip->i_gdquot); if (error) goto done; - nquotas++; + ASSERT(ip->i_gdquot); } - ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL)); - if (XFS_IS_PQUOTA_ON(mp)) { + if (XFS_IS_PQUOTA_ON(mp) && !ip->i_pdquot) { error = xfs_qm_dqattach_one(ip, xfs_get_projid(ip), XFS_DQ_PROJ, flags & XFS_QMOPT_DQALLOC, - ip->i_udquot, &ip->i_pdquot); - /* - * Don't worry about the udquot that we may have - * attached above. It'll get detached, if not already. - */ + &ip->i_pdquot); if (error) goto done; - nquotas++; + ASSERT(ip->i_pdquot); } +done: /* - * Attach this group/project quota to the user quota as a hint. - * This WON'T, in general, result in a thrash. + * Don't worry about the dquots that we may have attached before any + * error - they'll get detached later if it has not already been done. */ - if (nquotas > 1 && ip->i_udquot) { - ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL)); - ASSERT(ip->i_gdquot || !XFS_IS_GQUOTA_ON(mp)); - ASSERT(ip->i_pdquot || !XFS_IS_PQUOTA_ON(mp)); - - /* - * We do not have i_udquot locked at this point, but this check - * is OK since we don't depend on the i_gdquot to be accurate - * 100% all the time. It is just a hint, and this will - * succeed in general. - */ - if (ip->i_udquot->q_gdquot != ip->i_gdquot) - xfs_qm_dqattach_hint(ip, XFS_DQ_GROUP); - - if (ip->i_udquot->q_pdquot != ip->i_pdquot) - xfs_qm_dqattach_hint(ip, XFS_DQ_PROJ); - } - - done: -#ifdef DEBUG - if (!error) { - if (XFS_IS_UQUOTA_ON(mp)) - ASSERT(ip->i_udquot); - if (XFS_IS_GQUOTA_ON(mp)) - ASSERT(ip->i_gdquot); - if (XFS_IS_PQUOTA_ON(mp)) - ASSERT(ip->i_pdquot); - } ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL)); -#endif return error; } -- 1.9.0 From david@fromorbit.com Mon Apr 21 19:09:29 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id DE06A7F3F for ; Mon, 21 Apr 2014 19:09:29 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id BD3498F8040 for ; Mon, 21 Apr 2014 17:09:26 -0700 (PDT) X-ASG-Debug-ID: 1398125364-04cbb06e9d22e860001-NocioJ Received: from ipmail06.adl2.internode.on.net (ipmail06.adl2.internode.on.net [150.101.137.129]) by cuda.sgi.com with ESMTP id X3c52aWHFN6tTTXs for ; Mon, 21 Apr 2014 17:09:24 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.129 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AlNxANuyVVN5LEcvPGdsb2JhbABZgwaIbqJok36FZIEgFwMBAQEBODWCJQEBBTocIxAIAw4KCSUPBSUDBxoTiEDNKxcWjWhkB4Q4BJhtlhMrgSw Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail06.adl2.internode.on.net with ESMTP; 22 Apr 2014 09:37:57 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WcOFf-0007B8-EU; Tue, 22 Apr 2014 10:07:55 +1000 Date: Tue, 22 Apr 2014 10:07:55 +1000 From: Dave Chinner To: Eryu Guan Cc: xfs@oss.sgi.com Subject: Re: [PATCH 3/3] generic/009: get the correct dev name when testing ext4 Message-ID: <20140422000755.GH18672@dastard> X-ASG-Orig-Subj: Re: [PATCH 3/3] generic/009: get the correct dev name when testing ext4 References: <1397708214-8197-1-git-send-email-eguan@redhat.com> <1397708214-8197-3-git-send-email-eguan@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1397708214-8197-3-git-send-email-eguan@redhat.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail06.adl2.internode.on.net[150.101.137.129] X-Barracuda-Start-Time: 1398125364 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 2.60 X-Barracuda-Spam-Status: No, SCORE=2.60 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MV0249, MARKETING_SUBJECT X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5132 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.60 MARKETING_SUBJECT Subject contains popular marketing words 2.00 BSF_SC0_MV0249 Custom rule MV0249 On Thu, Apr 17, 2014 at 12:16:54PM +0800, Eryu Guan wrote: > If TEST_DEV is a symlink(usually a lvm), we get the wrong DEV > name. Follow link and get the correct dev name. > > Signed-off-by: Eryu Guan > --- > tests/generic/009 | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/tests/generic/009 b/tests/generic/009 > index 1e487b4..7675c69 100644 > --- a/tests/generic/009 > +++ b/tests/generic/009 > @@ -51,7 +51,7 @@ testfile=$TEST_DIR/009.$$ > > # Disable extent zeroing for ext4 as that change where holes are created > if [ "$FSTYP" = "ext4" ]; then > - DEV=`basename $TEST_DEV` > + DEV=`basename $(readlink -f $TEST_DEV)` > echo 0 >/sys/fs/ext4/$DEV/extent_max_zeroout_kb > fi We've made this mistake several times now. Can you add a function in common/rc that does this. e.g. "_real_dev()" and replace all the current 'readlink -f $DEV' calls with that function? i.e. something like: _real_dev() { local _dev=$1 if [ -L "$_dev" ]; then _dev=`readlink -f $_dev` fi echo $_dev } _short_dev() { echo `basename $(_real_dev $1)` } Cheers, Dave. -- Dave Chinner david@fromorbit.com From jeff.liu@oracle.com Mon Apr 21 22:13:52 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 9F4A87F3F for ; Mon, 21 Apr 2014 22:13:52 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 88E9D8F8064 for ; Mon, 21 Apr 2014 20:13:52 -0700 (PDT) X-ASG-Debug-ID: 1398136431-04cbb06e9b236290001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id vIQme8qDsusGC231 (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Mon, 21 Apr 2014 20:13:51 -0700 (PDT) X-Barracuda-Envelope-From: jeff.liu@oracle.com X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from ucsinet22.oracle.com (ucsinet22.oracle.com [156.151.31.94]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id s3M3DOoQ008409 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Tue, 22 Apr 2014 03:13:24 GMT Received: from aserz7022.oracle.com (aserz7022.oracle.com [141.146.126.231]) by ucsinet22.oracle.com (8.14.5+Sun/8.14.5) with ESMTP id s3M3DLEM008706 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Tue, 22 Apr 2014 03:13:22 GMT Received: from abhmp0017.oracle.com (abhmp0017.oracle.com [141.146.116.23]) by aserz7022.oracle.com (8.14.4+Sun/8.14.4) with ESMTP id s3M3DLp2018017; Tue, 22 Apr 2014 03:13:21 GMT Received: from [10.191.15.36] (/10.191.15.36) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Mon, 21 Apr 2014 20:13:20 -0700 Message-ID: <5355DE4B.2000009@oracle.com> Date: Tue, 22 Apr 2014 11:13:15 +0800 From: Jeff Liu User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.1.0 MIME-Version: 1.0 To: Christoph Hellwig , Dave Chinner CC: "xfs@oss.sgi.com" Subject: Re: [PATCH v2 02/10] xfs: consolidate xfs_bulkstat_single References: <535078AD.5050209@oracle.com> <20140421141148.GA27064@infradead.org> <20140421235249.GG18672@dastard> X-ASG-Orig-Subj: Re: [PATCH v2 02/10] xfs: consolidate xfs_bulkstat_single In-Reply-To: <20140421235249.GG18672@dastard> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Source-IP: ucsinet22.oracle.com [156.151.31.94] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1398136431 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5136 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On 04/22 2014 07:52 PM, Dave Chinner wrote: > On Mon, Apr 21, 2014 at 07:11:48AM -0700, Christoph Hellwig wrote: >> On Fri, Apr 18, 2014 at 08:58:21AM +0800, Jeff Liu wrote: >>> From: Jie Liu >>> >>> In xfs_bulkstat_single(), call xfs_bulkstat_one() and xfs_bulkstat() >>> would return different error if either failed, we'd better return the >>> proper error in this case. Moreover, the function argument done is >>> useless in terms of xfs_ioc_bulkstat(), hence we can get rid of it. >> >> I've looked at xfs_bulkstat_single I really can't see how falling back >> to the full xfs_bulkstat could fix any error. We probably should just >> get rid of the fallback and instead do something like the (lightly tested) >> patch below: >> >> --- >> From: Christoph Hellwig >> Subject: xfs: remove xfs_bulkstat_single >> >> xfs_bukstat_one doesn't have any failure case that would go away when >> called through xfs_bulkstat, so remove the fallback and the now unessecary >> xfs_bulkstat_single function. >> >> Signed-off-by: Christoph Hellwig > > *nod* > > I like this approach :) I reconsidered the call interface in xfs_fsr and xfs_io/parent. Yep, your idea is better and the patch looks good to me. Thanks, -Jeff From eguan@redhat.com Mon Apr 21 22:27:55 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 8B23D7F3F for ; Mon, 21 Apr 2014 22:27:55 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 0D7E3AC005 for ; Mon, 21 Apr 2014 20:27:51 -0700 (PDT) X-ASG-Debug-ID: 1398137260-04cb6c24392383a0001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id wKkQ40ylfmqPbMOD for ; Mon, 21 Apr 2014 20:27:40 -0700 (PDT) X-Barracuda-Envelope-From: eguan@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx02.intmail.prod.int.phx2.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3M3ReF7023966 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Mon, 21 Apr 2014 23:27:40 -0400 Received: from localhost (vpn1-114-140.nay.redhat.com [10.66.114.140]) by int-mx02.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id s3M3RcUn025054; Mon, 21 Apr 2014 23:27:39 -0400 From: Eryu Guan To: xfs@oss.sgi.com Cc: Eryu Guan Subject: [PATCH] common: new function to get real device path name and basename Date: Tue, 22 Apr 2014 11:27:27 +0800 X-ASG-Orig-Subj: [PATCH] common: new function to get real device path name and basename Message-Id: <1398137247-4883-1-git-send-email-eguan@redhat.com> X-Scanned-By: MIMEDefang 2.67 on 10.5.11.12 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1398137260 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Barracuda-BRTS-Status: 1 X-Virus-Scanned: by bsmtpd at sgi.com If TEST_DEV or SCRATCH_DEV is symlink(mostly a lvm lv), a simple basename is not enough, symlink should be followed. This task is common enough, so introduce new helper functions and replace all readlink calls in ext4/305 generic/009 generic/019 generic/285 generic/312 Signed-off-by: Eryu Guan --- common/rc | 16 ++++++++++++++++ tests/ext4/305 | 2 +- tests/generic/009 | 2 +- tests/generic/019 | 4 +--- tests/generic/285 | 2 +- tests/generic/312 | 2 +- 6 files changed, 21 insertions(+), 7 deletions(-) diff --git a/common/rc b/common/rc index acf419b..68b040d 100644 --- a/common/rc +++ b/common/rc @@ -2302,6 +2302,22 @@ init_rc() export XFS_IO_PROG="$XFS_IO_PROG -F" } +# get real device path name by following link +_real_dev() +{ + local _dev=$1 + if [ -b "$_dev" ] && [ -L "$_dev" ]; then + _dev=`readlink -f "$_dev"` + fi + echo $_dev +} + +# basename of a device +_basename_dev() +{ + echo `basename $(_real_dev $1)` +} + init_rc ################################################################################ diff --git a/tests/ext4/305 b/tests/ext4/305 index eee461a..645f5c8 100755 --- a/tests/ext4/305 +++ b/tests/ext4/305 @@ -49,7 +49,7 @@ _require_scratch rm -f $seqres.full echo "Silence is golden" -DEV_BASENAME=$(basename $(readlink -f $SCRATCH_DEV)) +DEV_BASENAME=$(_basename_dev $SCRATCH_DEV) echo "Start test on device $SCRATCH_DEV, basename $DEV_BASENAME" >$seqres.full _scratch_mkfs >>$seqres.full 2>&1 diff --git a/tests/generic/009 b/tests/generic/009 index b7b0b3f..0886594 100644 --- a/tests/generic/009 +++ b/tests/generic/009 @@ -50,7 +50,7 @@ testfile=$TEST_DIR/009.$$ # Disable extent zeroing for ext4 as that change where holes are created if [ "$FSTYP" = "ext4" ]; then - DEV=`basename $TEST_DEV` + DEV=`_basename_dev $TEST_DEV` echo 0 >/sys/fs/ext4/$DEV/extent_max_zeroout_kb fi diff --git a/tests/generic/019 b/tests/generic/019 index 1208c49..8c37a31 100755 --- a/tests/generic/019 +++ b/tests/generic/019 @@ -41,9 +41,7 @@ _need_to_be_root _require_scratch _require_fail_make_request -# TODO: Function are common enough to be moved to common/blkdev -SCRATCH_REAL_DEV=`readlink -f $SCRATCH_DEV` -SCRATCH_BDEV=`basename $SCRATCH_REAL_DEV` +SCRATCH_BDEV=`_basename_dev $SCRATCH_DEV` allow_fail_make_request() { diff --git a/tests/generic/285 b/tests/generic/285 index 8078b1c..8826023 100755 --- a/tests/generic/285 +++ b/tests/generic/285 @@ -48,7 +48,7 @@ BASE_TEST_FILE=$TEST_DIR/seek_sanity_testfile # Disable extent zeroing for ext4 as that change where holes are created if [ "$FSTYP" = "ext4" ]; then - DEV=`basename $TEST_DEV` + DEV=`_basename_dev $TEST_DEV` echo 0 >/sys/fs/ext4/$DEV/extent_max_zeroout_kb fi diff --git a/tests/generic/312 b/tests/generic/312 index eaec43c..a81b0df 100755 --- a/tests/generic/312 +++ b/tests/generic/312 @@ -52,7 +52,7 @@ _require_scratch # 5G in byte fssize=$((2**30 * 5)) required_blocks=$(($fssize / 1024)) -dev_blocks=$(grep $(basename $(readlink -f $SCRATCH_DEV)) /proc/partitions | $AWK_PROG '{print $3}') +dev_blocks=$(grep $(_basename_dev $SCRATCH_DEV) /proc/partitions | $AWK_PROG '{print $3}') if [ $required_blocks -gt $dev_blocks ];then _notrun "this test requires \$SCRATCH_DEV has ${fssize}B space" fi -- 1.9.0 From jeff.liu@oracle.com Mon Apr 21 22:56:57 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id A9EA87F3F for ; Mon, 21 Apr 2014 22:56:57 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 92623304059 for ; Mon, 21 Apr 2014 20:56:54 -0700 (PDT) X-ASG-Debug-ID: 1398139013-04cb6c2437239710001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id 2zPfCUvEEJxFPABB (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Mon, 21 Apr 2014 20:56:53 -0700 (PDT) X-Barracuda-Envelope-From: jeff.liu@oracle.com X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from ucsinet22.oracle.com (ucsinet22.oracle.com [156.151.31.94]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id s3M3uqIw004886 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Tue, 22 Apr 2014 03:56:53 GMT Received: from userz7021.oracle.com (userz7021.oracle.com [156.151.31.85]) by ucsinet22.oracle.com (8.14.5+Sun/8.14.5) with ESMTP id s3M3upwb014287 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=FAIL); Tue, 22 Apr 2014 03:56:52 GMT Received: from abhmp0018.oracle.com (abhmp0018.oracle.com [141.146.116.24]) by userz7021.oracle.com (8.14.4+Sun/8.14.4) with ESMTP id s3M3upjY016170; Tue, 22 Apr 2014 03:56:51 GMT Received: from [10.191.15.36] (/10.191.15.36) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Mon, 21 Apr 2014 20:56:51 -0700 Message-ID: <5355E87F.8030906@oracle.com> Date: Tue, 22 Apr 2014 11:56:47 +0800 From: Jeff Liu User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.1.0 MIME-Version: 1.0 To: Konstantin Khlebnikov , xfs@oss.sgi.com Subject: Re: [PATCH] xfstests: generic/285: fix seek_sanity_test for generic SEEK_HOLE/DATA References: <20140421164305.22404.92195.stgit@buzz> X-ASG-Orig-Subj: Re: [PATCH] xfstests: generic/285: fix seek_sanity_test for generic SEEK_HOLE/DATA In-Reply-To: <20140421164305.22404.92195.stgit@buzz> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Source-IP: ucsinet22.oracle.com [156.151.31.94] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1398139013 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 2.60 X-Barracuda-Spam-Status: No, SCORE=2.60 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MV0249, MARKETING_SUBJECT X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5137 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.60 MARKETING_SUBJECT Subject contains popular marketing words 2.00 BSF_SC0_MV0249 Custom rule MV0249 On 04/22 2014 00:43 AM, Konstantin Khlebnikov wrote: > Generic implementation of SEEK_HOLE/DATA reports whole file as data chunk with > virtual hole at the end (generic_file_llseek, used by ext2/ext3/reiserfs/nfs). > > Currently test prepares file smaller than expected for "huge file" testcases > (testcases 10-12). This patch fixes test file layout, now second data chunk > ends right at the expected end of file. > > Plus it fixes type of 'filesz' argument, it should be off_t. Am not verified against NFS, but the fix look good to me. Thanks, -Jeff From david@fromorbit.com Tue Apr 22 00:11:05 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 08BEC7F3F for ; Tue, 22 Apr 2014 00:11:05 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id E3A338F8064 for ; Mon, 21 Apr 2014 22:11:01 -0700 (PDT) X-ASG-Debug-ID: 1398143454-04cbb06e9a23c5a0001-NocioJ Received: from ipmail06.adl6.internode.on.net (ipmail06.adl6.internode.on.net [150.101.137.145]) by cuda.sgi.com with ESMTP id hiQkCrCpAVXy9j0M for ; Mon, 21 Apr 2014 22:10:56 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.145 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AkBmAI74VVN5LEcvPGdsb2JhbABZgwaIbqJmk36FY4EfFwMBAQEBODWCJQEBBTocIxAIAw4KCSUPBSUDBxoTiEDMZhcWjkAHhDgEmG2WFCs Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail06.adl6.internode.on.net with ESMTP; 22 Apr 2014 14:40:54 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WcSyp-0007ki-9y; Tue, 22 Apr 2014 15:10:51 +1000 Date: Tue, 22 Apr 2014 15:10:51 +1000 From: Dave Chinner To: Eryu Guan Cc: xfs@oss.sgi.com Subject: Re: [PATCH] common: new function to get real device path name and basename Message-ID: <20140422051051.GI18672@dastard> X-ASG-Orig-Subj: Re: [PATCH] common: new function to get real device path name and basename References: <1398137247-4883-1-git-send-email-eguan@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1398137247-4883-1-git-send-email-eguan@redhat.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail06.adl6.internode.on.net[150.101.137.145] X-Barracuda-Start-Time: 1398143455 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5139 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Tue, Apr 22, 2014 at 11:27:27AM +0800, Eryu Guan wrote: > If TEST_DEV or SCRATCH_DEV is symlink(mostly a lvm lv), a simple > basename is not enough, symlink should be followed. > > This task is common enough, so introduce new helper functions and > replace all readlink calls in > > ext4/305 > generic/009 > generic/019 > generic/285 > generic/312 > > Signed-off-by: Eryu Guan > --- > common/rc | 16 ++++++++++++++++ > tests/ext4/305 | 2 +- > tests/generic/009 | 2 +- > tests/generic/019 | 4 +--- > tests/generic/285 | 2 +- > tests/generic/312 | 2 +- > 6 files changed, 21 insertions(+), 7 deletions(-) > > diff --git a/common/rc b/common/rc > index acf419b..68b040d 100644 > --- a/common/rc > +++ b/common/rc > @@ -2302,6 +2302,22 @@ init_rc() > export XFS_IO_PROG="$XFS_IO_PROG -F" > } > > +# get real device path name by following link > +_real_dev() > +{ > + local _dev=$1 > + if [ -b "$_dev" ] && [ -L "$_dev" ]; then > + _dev=`readlink -f "$_dev"` > + fi > + echo $_dev > +} > + > +# basename of a device > +_basename_dev() > +{ > + echo `basename $(_real_dev $1)` > +} I don't really like that function name. It describes the implementation, not what the function actually returns. i.e. we're getting the -short- device names here, basename is the implemenation used to turn a full device name to a short device name... Cheers, Dave -- Dave Chinner david@fromorbit.com From BATV+bd25337ece1fc3b91b42+3894+infradead.org+hch@bombadil.srs.infradead.org Tue Apr 22 01:27:42 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 09D947F3F for ; Tue, 22 Apr 2014 01:27:42 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id EC1CD8F804B for ; Mon, 21 Apr 2014 23:27:38 -0700 (PDT) X-ASG-Debug-ID: 1398148056-04cbb06e9d23e920001-NocioJ Received: from bombadil.infradead.org ([198.137.202.9]) by cuda.sgi.com with ESMTP id AqwKVzDrBbunZxiD (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Mon, 21 Apr 2014 23:27:37 -0700 (PDT) X-Barracuda-Envelope-From: BATV+bd25337ece1fc3b91b42+3894+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.80.1 #2 (Red Hat Linux)) id 1WcUB6-0001UZ-Ia; Tue, 22 Apr 2014 06:27:36 +0000 Date: Mon, 21 Apr 2014 23:27:36 -0700 From: Christoph Hellwig To: Eric Sandeen Cc: xfs-oss Subject: Re: [PATCH] xfs: bulletfproof xfs_qm_scall_trunc_qfiles() Message-ID: <20140422062736.GA31337@infradead.org> X-ASG-Orig-Subj: Re: [PATCH] xfs: bulletfproof xfs_qm_scall_trunc_qfiles() References: <53558354.5040309@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <53558354.5040309@redhat.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html X-Barracuda-Connect: UNKNOWN[198.137.202.9] X-Barracuda-Start-Time: 1398148057 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.10 X-Barracuda-Spam-Status: No, SCORE=0.10 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=RDNS_NONE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5141 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.10 RDNS_NONE Delivered to trusted network by a host with no rDNS On Mon, Apr 21, 2014 at 03:45:08PM -0500, Eric Sandeen wrote: > Coverity noticed that if we sent junk into > xfs_qm_scall_trunc_qfiles(), we could get back an > uninitialized error value. So sanitize the flags we > will accept, and initialize error anyway for good measure. > > (This bug may have been introduced via c61a9e39). > > Should resolve Coverity CID 1163872. > > Signed-off-by: Eric Sandeen Looks good, Reviewed-by: Christoph Hellwig From BATV+bd25337ece1fc3b91b42+3894+infradead.org+hch@bombadil.srs.infradead.org Tue Apr 22 01:28:21 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id EA1057F3F for ; Tue, 22 Apr 2014 01:28:21 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id B98CF304053 for ; Mon, 21 Apr 2014 23:28:21 -0700 (PDT) X-ASG-Debug-ID: 1398148097-04bdf0455224a510001-NocioJ Received: from bombadil.infradead.org ([198.137.202.9]) by cuda.sgi.com with ESMTP id PWCPibAmplYD0xiL (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Mon, 21 Apr 2014 23:28:17 -0700 (PDT) X-Barracuda-Envelope-From: BATV+bd25337ece1fc3b91b42+3894+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.80.1 #2 (Red Hat Linux)) id 1WcUBl-0001mk-04; Tue, 22 Apr 2014 06:28:17 +0000 Date: Mon, 21 Apr 2014 23:28:16 -0700 From: Christoph Hellwig To: Eric Whitney Cc: xfs@oss.sgi.com, linux-ext4@vger.kernel.org Subject: Re: [PATCH 1/3] xfstests: add helper for zero range support check Message-ID: <20140422062816.GB31337@infradead.org> X-ASG-Orig-Subj: Re: [PATCH 1/3] xfstests: add helper for zero range support check References: <20140421204023.GB960@wallace> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140421204023.GB960@wallace> User-Agent: Mutt/1.5.21 (2010-09-15) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html X-Barracuda-Connect: UNKNOWN[198.137.202.9] X-Barracuda-Start-Time: 1398148097 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.10 X-Barracuda-Spam-Status: No, SCORE=0.10 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=RDNS_NONE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5141 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.10 RDNS_NONE Delivered to trusted network by a host with no rDNS > +# check that xfs_io, kernel, and filesystem all support fallocate with zero > +# range > +_require_xfs_io_falloc_zero() > +{ > + _require_xfs_io_command "fzero" > +} I'd rather remove all the wrappers around _require_xfs_io_command, they don't actually add any value. From BATV+bd25337ece1fc3b91b42+3894+infradead.org+hch@bombadil.srs.infradead.org Tue Apr 22 01:43:17 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id C80657F3F for ; Tue, 22 Apr 2014 01:43:17 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id B51A88F8066 for ; Mon, 21 Apr 2014 23:43:17 -0700 (PDT) X-ASG-Debug-ID: 1398148996-04cb6c243823f3d0001-NocioJ Received: from bombadil.infradead.org ([198.137.202.9]) by cuda.sgi.com with ESMTP id DccuNmDmQHMZyGvx (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Mon, 21 Apr 2014 23:43:16 -0700 (PDT) X-Barracuda-Envelope-From: BATV+bd25337ece1fc3b91b42+3894+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.80.1 #2 (Red Hat Linux)) id 1WcUQG-0007yY-4e; Tue, 22 Apr 2014 06:43:16 +0000 Date: Mon, 21 Apr 2014 23:43:16 -0700 From: Christoph Hellwig To: Eric Sandeen Cc: xfs-oss Subject: Re: [PATCH] xfs: fix Q_XQUOTARM ioctl Message-ID: <20140422064316.GA30375@infradead.org> X-ASG-Orig-Subj: Re: [PATCH] xfs: fix Q_XQUOTARM ioctl References: <535580A1.20806@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <535580A1.20806@redhat.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html X-Barracuda-Connect: UNKNOWN[198.137.202.9] X-Barracuda-Start-Time: 1398148996 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.10 X-Barracuda-Spam-Status: No, SCORE=0.10 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=RDNS_NONE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5140 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.10 RDNS_NONE Delivered to trusted network by a host with no rDNS On Mon, Apr 21, 2014 at 03:33:37PM -0500, Eric Sandeen wrote: > The Q_XQUOTARM quotactl was not working properly, because > we weren't passing around proper flags. The xfs_fs_set_xstate() > ioctl handler used the same flags for Q_XQUOTAON/OFF as > well as for Q_XQUOTARM, but Q_XQUOTAON/OFF look for > XFS_UQUOTA_ACCT, XFS_UQUOTA_ENFD, XFS_GQUOTA_ACCT etc, > i.e. quota type + state, while Q_XQUOTARM looks only for > the type of quota, i.e. XFS_DQ_USER, XFS_DQ_GROUP etc. > > Unfortunately these flag spaces overlap a bit, so we > got semi-random results for Q_XQUOTARM; i.e. the value > for XFS_DQ_USER == XFS_UQUOTA_ACCT, etc. yeargh. > > Split out the flag conversion from userspace to kernelspace, > depending on the quotactl that is being executed; add 2 new > helpers to do this, so that we send the right flags to the > lower-level functions. > > This has been broken more or less forever, AFAICT. So if this isn't very urgent I'd rather replace ->set_xstate with one operation per ioctl, so that we don't multiple different kinds of flags over the same operation. From BATV+bd25337ece1fc3b91b42+3894+infradead.org+hch@bombadil.srs.infradead.org Tue Apr 22 01:44:21 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 051DE7F3F for ; Tue, 22 Apr 2014 01:44:21 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id C963C8F8065 for ; Mon, 21 Apr 2014 23:44:20 -0700 (PDT) X-ASG-Debug-ID: 1398149059-04bdf0455224af80001-NocioJ Received: from bombadil.infradead.org ([198.137.202.9]) by cuda.sgi.com with ESMTP id xBc9hhUMUBUwoxz5 (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Mon, 21 Apr 2014 23:44:19 -0700 (PDT) X-Barracuda-Envelope-From: BATV+bd25337ece1fc3b91b42+3894+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.80.1 #2 (Red Hat Linux)) id 1WcURH-0008JN-D5; Tue, 22 Apr 2014 06:44:19 +0000 Date: Mon, 21 Apr 2014 23:44:19 -0700 From: Christoph Hellwig To: Eric Sandeen Cc: xfs-oss Subject: Re: [PATCH] xfstests: test X_QUOTARM functionality Message-ID: <20140422064419.GB30375@infradead.org> X-ASG-Orig-Subj: Re: [PATCH] xfstests: test X_QUOTARM functionality References: <53557F09.8090000@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <53557F09.8090000@redhat.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html X-Barracuda-Connect: UNKNOWN[198.137.202.9] X-Barracuda-Start-Time: 1398149059 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-Spam-Score: 0.10 X-Barracuda-Spam-Status: No, SCORE=0.10 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=RDNS_NONE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5141 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.10 RDNS_NONE Delivered to trusted network by a host with no rDNS Looks good, Reviewed-by: Christoph Hellwig From BATV+bd25337ece1fc3b91b42+3894+infradead.org+hch@bombadil.srs.infradead.org Tue Apr 22 01:47:39 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 2A99B7F3F for ; Tue, 22 Apr 2014 01:47:39 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 16B128F8049 for ; Mon, 21 Apr 2014 23:47:39 -0700 (PDT) X-ASG-Debug-ID: 1398149257-04cb6c243623f6b0001-NocioJ Received: from bombadil.infradead.org ([198.137.202.9]) by cuda.sgi.com with ESMTP id c9tRJ0ohGpazfoZZ (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Mon, 21 Apr 2014 23:47:37 -0700 (PDT) X-Barracuda-Envelope-From: BATV+bd25337ece1fc3b91b42+3894+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.80.1 #2 (Red Hat Linux)) id 1WcUUT-0002GO-Ax; Tue, 22 Apr 2014 06:47:37 +0000 Date: Mon, 21 Apr 2014 23:47:37 -0700 From: Christoph Hellwig To: Dave Chinner Cc: Christoph Hellwig , xfs@oss.sgi.com Subject: Re: [PATCH 5/9] repair: detect CRC errors in AG headers Message-ID: <20140422064737.GA32026@infradead.org> X-ASG-Orig-Subj: Re: [PATCH 5/9] repair: detect CRC errors in AG headers References: <1397550301-31883-1-git-send-email-david@fromorbit.com> <1397550301-31883-6-git-send-email-david@fromorbit.com> <20140421071106.GF20384@infradead.org> <20140421233512.GE18672@dastard> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140421233512.GE18672@dastard> User-Agent: Mutt/1.5.21 (2010-09-15) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html X-Barracuda-Connect: UNKNOWN[198.137.202.9] X-Barracuda-Start-Time: 1398149257 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.10 X-Barracuda-Spam-Status: No, SCORE=0.10 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=RDNS_NONE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5141 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.10 RDNS_NONE Delivered to trusted network by a host with no rDNS On Tue, Apr 22, 2014 at 09:35:12AM +1000, Dave Chinner wrote: > > Shouldn't we apply the same scheme as for directories here, that is if > > it fails with a verifier error re-read without the verifier and then > > still do the full check as well? > > The directory code is the special case - it uses xfs_trans_read_buf* > interfaces, which return either a good buffer with no error or an > error with no buffer. Hence for the directory code, we have to > re-read the buffer without the verifier to grab the unchecked buffer > from the cache when the verifier detects an error. How about just having a variant of xfs_da_read_buf that doesn't use xfs_trans_read_buf *? xfs_da_read_buf is pretty simple, especially when removing the magic test that has been superceeded by the verifiers. From BATV+bd25337ece1fc3b91b42+3894+infradead.org+hch@bombadil.srs.infradead.org Tue Apr 22 01:50:20 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id F29EC7F3F for ; Tue, 22 Apr 2014 01:50:19 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id 99AACAC005 for ; Mon, 21 Apr 2014 23:50:16 -0700 (PDT) X-ASG-Debug-ID: 1398149415-04bdf0455324b320001-NocioJ Received: from bombadil.infradead.org ([198.137.202.9]) by cuda.sgi.com with ESMTP id G6yfaGVdCJaH1ZgX (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Mon, 21 Apr 2014 23:50:15 -0700 (PDT) X-Barracuda-Envelope-From: BATV+bd25337ece1fc3b91b42+3894+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.80.1 #2 (Red Hat Linux)) id 1WcUX1-0004B1-B7; Tue, 22 Apr 2014 06:50:15 +0000 Date: Mon, 21 Apr 2014 23:50:15 -0700 From: Christoph Hellwig To: Dave Chinner Cc: xfs@oss.sgi.com, viro@ZenIV.linux.org.uk Subject: Re: [PATCH] xfs: remove dquot hints Message-ID: <20140422065015.GA8730@infradead.org> X-ASG-Orig-Subj: Re: [PATCH] xfs: remove dquot hints References: <1398124565-13299-1-git-send-email-david@fromorbit.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1398124565-13299-1-git-send-email-david@fromorbit.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html X-Barracuda-Connect: UNKNOWN[198.137.202.9] X-Barracuda-Start-Time: 1398149415 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-Spam-Score: 0.10 X-Barracuda-Spam-Status: No, SCORE=0.10 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=RDNS_NONE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5142 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.10 RDNS_NONE Delivered to trusted network by a host with no rDNS Looks good, Reviewed-by: Christoph Hellwig From eguan@redhat.com Tue Apr 22 01:58:22 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 4BE0E7F3F for ; Tue, 22 Apr 2014 01:58:22 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id D834EAC005 for ; Mon, 21 Apr 2014 23:58:21 -0700 (PDT) X-ASG-Debug-ID: 1398149900-04bdf0455424b920001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id 39kyNJEn0a6AKQNH for ; Mon, 21 Apr 2014 23:58:20 -0700 (PDT) X-Barracuda-Envelope-From: eguan@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx02.intmail.prod.int.phx2.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3M6wK8c015543 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Tue, 22 Apr 2014 02:58:20 -0400 Received: from localhost (dhcp12-144.nay.redhat.com [10.66.12.144] (may be forged)) by int-mx02.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id s3M6wIM3021214; Tue, 22 Apr 2014 02:58:19 -0400 From: Eryu Guan To: xfs@oss.sgi.com Cc: Eryu Guan Subject: [PATCH v2] common: new function to get real device path name and basename Date: Tue, 22 Apr 2014 14:57:13 +0800 X-ASG-Orig-Subj: [PATCH v2] common: new function to get real device path name and basename Message-Id: <1398149833-9761-1-git-send-email-eguan@redhat.com> In-Reply-To: <20140422051051.GI18672@dastard> References: <20140422051051.GI18672@dastard> X-Scanned-By: MIMEDefang 2.67 on 10.5.11.12 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1398149900 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 If TEST_DEV or SCRATCH_DEV is symlink(mostly a lvm lv), a simple basename is not enough, symlink should be followed. This task is common enough, so introduce new helper functions and replace all readlink calls in ext4/305 generic/009 generic/019 generic/285 generic/312 Signed-off-by: Eryu Guan --- v2: rename _basename_dev to _short_dev as Dave suggested common/rc | 16 ++++++++++++++++ tests/ext4/305 | 2 +- tests/generic/009 | 2 +- tests/generic/019 | 4 +--- tests/generic/285 | 2 +- tests/generic/312 | 2 +- 6 files changed, 21 insertions(+), 7 deletions(-) diff --git a/common/rc b/common/rc index acf419b..f16328d 100644 --- a/common/rc +++ b/common/rc @@ -2302,6 +2302,22 @@ init_rc() export XFS_IO_PROG="$XFS_IO_PROG -F" } +# get real device path name by following link +_real_dev() +{ + local _dev=$1 + if [ -b "$_dev" ] && [ -L "$_dev" ]; then + _dev=`readlink -f "$_dev"` + fi + echo $_dev +} + +# basename of a device +_short_dev() +{ + echo `basename $(_real_dev $1)` +} + init_rc ################################################################################ diff --git a/tests/ext4/305 b/tests/ext4/305 index eee461a..860d0a6 100755 --- a/tests/ext4/305 +++ b/tests/ext4/305 @@ -49,7 +49,7 @@ _require_scratch rm -f $seqres.full echo "Silence is golden" -DEV_BASENAME=$(basename $(readlink -f $SCRATCH_DEV)) +DEV_BASENAME=$(_short_dev $SCRATCH_DEV) echo "Start test on device $SCRATCH_DEV, basename $DEV_BASENAME" >$seqres.full _scratch_mkfs >>$seqres.full 2>&1 diff --git a/tests/generic/009 b/tests/generic/009 index b7b0b3f..aa662b2 100644 --- a/tests/generic/009 +++ b/tests/generic/009 @@ -50,7 +50,7 @@ testfile=$TEST_DIR/009.$$ # Disable extent zeroing for ext4 as that change where holes are created if [ "$FSTYP" = "ext4" ]; then - DEV=`basename $TEST_DEV` + DEV=`_short_dev $TEST_DEV` echo 0 >/sys/fs/ext4/$DEV/extent_max_zeroout_kb fi diff --git a/tests/generic/019 b/tests/generic/019 index 1208c49..7a019ad 100755 --- a/tests/generic/019 +++ b/tests/generic/019 @@ -41,9 +41,7 @@ _need_to_be_root _require_scratch _require_fail_make_request -# TODO: Function are common enough to be moved to common/blkdev -SCRATCH_REAL_DEV=`readlink -f $SCRATCH_DEV` -SCRATCH_BDEV=`basename $SCRATCH_REAL_DEV` +SCRATCH_BDEV=`_short_dev $SCRATCH_DEV` allow_fail_make_request() { diff --git a/tests/generic/285 b/tests/generic/285 index 8078b1c..ac34d34 100755 --- a/tests/generic/285 +++ b/tests/generic/285 @@ -48,7 +48,7 @@ BASE_TEST_FILE=$TEST_DIR/seek_sanity_testfile # Disable extent zeroing for ext4 as that change where holes are created if [ "$FSTYP" = "ext4" ]; then - DEV=`basename $TEST_DEV` + DEV=`_short_dev $TEST_DEV` echo 0 >/sys/fs/ext4/$DEV/extent_max_zeroout_kb fi diff --git a/tests/generic/312 b/tests/generic/312 index eaec43c..eb6cec9 100755 --- a/tests/generic/312 +++ b/tests/generic/312 @@ -52,7 +52,7 @@ _require_scratch # 5G in byte fssize=$((2**30 * 5)) required_blocks=$(($fssize / 1024)) -dev_blocks=$(grep $(basename $(readlink -f $SCRATCH_DEV)) /proc/partitions | $AWK_PROG '{print $3}') +dev_blocks=$(grep $(_short_dev $SCRATCH_DEV) /proc/partitions | $AWK_PROG '{print $3}') if [ $required_blocks -gt $dev_blocks ];then _notrun "this test requires \$SCRATCH_DEV has ${fssize}B space" fi -- 1.9.0 From dave@fromorbit.com Tue Apr 22 01:59:20 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 531457F3F for ; Tue, 22 Apr 2014 01:59:20 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id 422A6304032 for ; Mon, 21 Apr 2014 23:59:20 -0700 (PDT) X-ASG-Debug-ID: 1398149953-04cbb06e9d23ff30001-NocioJ Received: from ipmail06.adl6.internode.on.net (ipmail06.adl6.internode.on.net [150.101.137.145]) by cuda.sgi.com with ESMTP id nCjcaTdK2Xw11LRS for ; Mon, 21 Apr 2014 23:59:15 -0700 (PDT) X-Barracuda-Envelope-From: dave@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.145 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: Ag5mAGQSVlN5LEcvPGdsb2JhbABZgwaIbqJomn4XAwEBAQE4NYIlAS0vOxgYUgMHLYhAmhWyV45nhC4ErwEr Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail06.adl6.internode.on.net with ESMTP; 22 Apr 2014 16:29:12 +0930 Received: from disappointment.disaster.area ([192.168.1.110] helo=disappointment) by dastard with esmtp (Exim 4.80) (envelope-from ) id 1WcUfd-000823-P6 for xfs@oss.sgi.com; Tue, 22 Apr 2014 16:59:09 +1000 Received: from dave by disappointment with local (Exim 4.82) (envelope-from ) id 1WcUfd-0002xF-O3 for xfs@oss.sgi.com; Tue, 22 Apr 2014 16:59:09 +1000 From: Dave Chinner To: xfs@oss.sgi.com Subject: [PATCH] xfs: remote attribute overwrite causes transaction overrun Date: Tue, 22 Apr 2014 16:59:09 +1000 X-ASG-Orig-Subj: [PATCH] xfs: remote attribute overwrite causes transaction overrun Message-Id: <1398149949-11324-1-git-send-email-david@fromorbit.com> X-Mailer: git-send-email 1.9.0 X-Barracuda-Connect: ipmail06.adl6.internode.on.net[150.101.137.145] X-Barracuda-Start-Time: 1398149953 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5142 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- From: Dave Chinner Commit e461fcb ("xfs: remote attribute lookups require the value length") passes the remote attribute length in the xfs_da_args structure on lookup so that CRC calculations and validity checking can be performed correctly by related code. This, unfortunately has the side effect of changing the args->valuelen parameter in cases where it shouldn't. That is, when we replace a remote attribute, the incoming replacement stores the value and length in args->value and args->valuelen, but then the lookup which finds the existing remote attribute overwrites args->valuelen with the length of the remote attribute being replaced. Hence when we go to create the new attribute, we create it of the size of the existing remote attribute, not the size it is supposed to be. When the new attribute is much smaller than the old attribute, this results in a transaction overrun and an ASSERT() failure on a debug kernel: XFS: Assertion failed: tp->t_blk_res_used <= tp->t_blk_res, file: fs/xfs/xfs_trans.c, line: 331 Fix this by keeping the remote attribute value length separate to the attribute value length in the xfs_da_args structure. The enables us to pass the length of the remote attribute to be removed without overwriting the new attribute's length. Signed-off-by: Dave Chinner --- fs/xfs/xfs_attr.c | 7 ++++++- fs/xfs/xfs_attr_leaf.c | 21 +++++++++++---------- fs/xfs/xfs_attr_remote.c | 11 ++++++++--- fs/xfs/xfs_da_btree.h | 2 ++ 4 files changed, 27 insertions(+), 14 deletions(-) diff --git a/fs/xfs/xfs_attr.c b/fs/xfs/xfs_attr.c index 01b6a01..dbaa674 100644 --- a/fs/xfs/xfs_attr.c +++ b/fs/xfs/xfs_attr.c @@ -213,7 +213,7 @@ xfs_attr_calc_size( * Out of line attribute, cannot double split, but * make room for the attribute value itself. */ - uint dblocks = XFS_B_TO_FSB(mp, valuelen); + uint dblocks = xfs_attr3_rmt_blocks(mp, valuelen); nblks += dblocks; nblks += XFS_NEXTENTADD_SPACE_RES(mp, dblocks, XFS_ATTR_FORK); } @@ -703,6 +703,7 @@ xfs_attr_leaf_addname(xfs_da_args_t *args) args->index2 = args->index; args->rmtblkno2 = args->rmtblkno; args->rmtblkcnt2 = args->rmtblkcnt; + args->rmtvaluelen2 = args->rmtvaluelen; } /* @@ -794,6 +795,7 @@ xfs_attr_leaf_addname(xfs_da_args_t *args) args->blkno = args->blkno2; args->rmtblkno = args->rmtblkno2; args->rmtblkcnt = args->rmtblkcnt2; + args->rmtvaluelen = args->rmtvaluelen2; if (args->rmtblkno) { error = xfs_attr_rmtval_remove(args); if (error) @@ -1004,8 +1006,10 @@ restart: args->index2 = args->index; args->rmtblkno2 = args->rmtblkno; args->rmtblkcnt2 = args->rmtblkcnt; + args->rmtvaluelen2 = args->rmtvaluelen; args->rmtblkno = 0; args->rmtblkcnt = 0; + args->rmtvaluelen = 0; } retval = xfs_attr3_leaf_add(blk->bp, state->args); @@ -1133,6 +1137,7 @@ restart: args->blkno = args->blkno2; args->rmtblkno = args->rmtblkno2; args->rmtblkcnt = args->rmtblkcnt2; + args->rmtvaluelen = args->rmtvaluelen2; if (args->rmtblkno) { error = xfs_attr_rmtval_remove(args); if (error) diff --git a/fs/xfs/xfs_attr_leaf.c b/fs/xfs/xfs_attr_leaf.c index fe9587f..511c283 100644 --- a/fs/xfs/xfs_attr_leaf.c +++ b/fs/xfs/xfs_attr_leaf.c @@ -1229,6 +1229,7 @@ xfs_attr3_leaf_add_work( name_rmt->valueblk = 0; args->rmtblkno = 1; args->rmtblkcnt = xfs_attr3_rmt_blocks(mp, args->valuelen); + args->rmtvaluelen = args->valuelen; } xfs_trans_log_buf(args->trans, bp, XFS_DA_LOGRANGE(leaf, xfs_attr3_leaf_name(leaf, args->index), @@ -2167,11 +2168,11 @@ xfs_attr3_leaf_lookup_int( if (!xfs_attr_namesp_match(args->flags, entry->flags)) continue; args->index = probe; - args->valuelen = be32_to_cpu(name_rmt->valuelen); + args->rmtvaluelen = be32_to_cpu(name_rmt->valuelen); args->rmtblkno = be32_to_cpu(name_rmt->valueblk); args->rmtblkcnt = xfs_attr3_rmt_blocks( args->dp->i_mount, - args->valuelen); + args->rmtvaluelen); return XFS_ERROR(EEXIST); } } @@ -2220,19 +2221,19 @@ xfs_attr3_leaf_getvalue( name_rmt = xfs_attr3_leaf_name_remote(leaf, args->index); ASSERT(name_rmt->namelen == args->namelen); ASSERT(memcmp(args->name, name_rmt->name, args->namelen) == 0); - valuelen = be32_to_cpu(name_rmt->valuelen); + args->rmtvaluelen = be32_to_cpu(name_rmt->valuelen); args->rmtblkno = be32_to_cpu(name_rmt->valueblk); args->rmtblkcnt = xfs_attr3_rmt_blocks(args->dp->i_mount, - valuelen); + args->rmtvaluelen); if (args->flags & ATTR_KERNOVAL) { - args->valuelen = valuelen; + args->valuelen = args->rmtvaluelen; return 0; } - if (args->valuelen < valuelen) { - args->valuelen = valuelen; + if (args->valuelen < args->rmtvaluelen) { + args->valuelen = args->rmtvaluelen; return XFS_ERROR(ERANGE); } - args->valuelen = valuelen; + args->valuelen = args->rmtvaluelen; } return 0; } @@ -2519,7 +2520,7 @@ xfs_attr3_leaf_clearflag( ASSERT((entry->flags & XFS_ATTR_LOCAL) == 0); name_rmt = xfs_attr3_leaf_name_remote(leaf, args->index); name_rmt->valueblk = cpu_to_be32(args->rmtblkno); - name_rmt->valuelen = cpu_to_be32(args->valuelen); + name_rmt->valuelen = cpu_to_be32(args->rmtvaluelen); xfs_trans_log_buf(args->trans, bp, XFS_DA_LOGRANGE(leaf, name_rmt, sizeof(*name_rmt))); } @@ -2677,7 +2678,7 @@ xfs_attr3_leaf_flipflags( ASSERT((entry1->flags & XFS_ATTR_LOCAL) == 0); name_rmt = xfs_attr3_leaf_name_remote(leaf1, args->index); name_rmt->valueblk = cpu_to_be32(args->rmtblkno); - name_rmt->valuelen = cpu_to_be32(args->valuelen); + name_rmt->valuelen = cpu_to_be32(args->rmtvaluelen); xfs_trans_log_buf(args->trans, bp1, XFS_DA_LOGRANGE(leaf1, name_rmt, sizeof(*name_rmt))); } diff --git a/fs/xfs/xfs_attr_remote.c b/fs/xfs/xfs_attr_remote.c index 6e37823..2324c66 100644 --- a/fs/xfs/xfs_attr_remote.c +++ b/fs/xfs/xfs_attr_remote.c @@ -337,7 +337,7 @@ xfs_attr_rmtval_get( struct xfs_buf *bp; xfs_dablk_t lblkno = args->rmtblkno; __uint8_t *dst = args->value; - int valuelen = args->valuelen; + int valuelen; int nmap; int error; int blkcnt = args->rmtblkcnt; @@ -348,6 +348,11 @@ xfs_attr_rmtval_get( ASSERT(!(args->flags & ATTR_KERNOVAL)); + /* remote value might be different size to the buffer supplied. */ + if (args->rmtvaluelen = args->valuelen) + args->valuelen = args->rmtvaluelen; + valuelen = args->valuelen; + while (valuelen > 0) { nmap = ATTR_RMTVALUE_MAPSIZE; error = xfs_bmapi_read(args->dp, (xfs_fileoff_t)lblkno, @@ -415,7 +420,7 @@ xfs_attr_rmtval_set( * attributes have headers, we can't just do a straight byte to FSB * conversion and have to take the header space into account. */ - blkcnt = xfs_attr3_rmt_blocks(mp, args->valuelen); + blkcnt = xfs_attr3_rmt_blocks(mp, args->rmtvaluelen); error = xfs_bmap_first_unused(args->trans, args->dp, blkcnt, &lfileoff, XFS_ATTR_FORK); if (error) @@ -480,7 +485,7 @@ xfs_attr_rmtval_set( */ lblkno = args->rmtblkno; blkcnt = args->rmtblkcnt; - valuelen = args->valuelen; + valuelen = args->rmtvaluelen; while (valuelen > 0) { struct xfs_buf *bp; xfs_daddr_t dblkno; diff --git a/fs/xfs/xfs_da_btree.h b/fs/xfs/xfs_da_btree.h index 6e95ea7..201c609 100644 --- a/fs/xfs/xfs_da_btree.h +++ b/fs/xfs/xfs_da_btree.h @@ -60,10 +60,12 @@ typedef struct xfs_da_args { int index; /* index of attr of interest in blk */ xfs_dablk_t rmtblkno; /* remote attr value starting blkno */ int rmtblkcnt; /* remote attr value block count */ + int rmtvaluelen; /* remote attr value length in bytes */ xfs_dablk_t blkno2; /* blkno of 2nd attr leaf of interest */ int index2; /* index of 2nd attr in blk */ xfs_dablk_t rmtblkno2; /* remote attr value starting blkno */ int rmtblkcnt2; /* remote attr value block count */ + int rmtvaluelen2; /* remote attr value length in bytes */ int op_flags; /* operation flags */ enum xfs_dacmp cmpresult; /* name compare result for lookups */ } xfs_da_args_t; -- 1.9.0 From david@fromorbit.com Tue Apr 22 02:03:00 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 671117F3F for ; Tue, 22 Apr 2014 02:03:00 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id 56E2E304032 for ; Tue, 22 Apr 2014 00:02:57 -0700 (PDT) X-ASG-Debug-ID: 1398150175-04cbb06e9c2401f0001-NocioJ Received: from ipmail06.adl6.internode.on.net (ipmail06.adl6.internode.on.net [150.101.137.145]) by cuda.sgi.com with ESMTP id bHEM0ySjadAb1aSO for ; Tue, 22 Apr 2014 00:02:55 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.145 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AkhnALcTVlN5LEcvPGdsb2JhbABZgwZPiB+iYgaSJoFYhwAXAwEBAQE4NYJmHDskNAUlAwctiECaGbJXFo5dghgPZ4EUBJhtlBCCBCs Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail06.adl6.internode.on.net with ESMTP; 22 Apr 2014 16:32:33 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WcUiu-000844-Ea for xfs@oss.sgi.com; Tue, 22 Apr 2014 17:02:32 +1000 Date: Tue, 22 Apr 2014 17:02:32 +1000 From: Dave Chinner To: xfs@oss.sgi.com Subject: [ANNOUNCE] xfstests: master branch updated to 6f55bbd Message-ID: <20140422070232.GE15995@dastard> X-ASG-Orig-Subj: [ANNOUNCE] xfstests: master branch updated to 6f55bbd MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail06.adl6.internode.on.net[150.101.137.145] X-Barracuda-Start-Time: 1398150175 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5142 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- Hi Folks, The xfstests repository at git://oss.sgi.com/xfs/cmds/xfstests has just been updated. Patches often get missed, so please check if your outstanding patches were in this update. If they have not been in this update, please resubmit them to xfs@oss.sgi.com so they can be picked up in the next update. The new head of the master branch is commit: 6f55bbd xfs/167: need at least 10GB of scratch space to run New Commits: Dave Chinner (1): [6f55bbd] xfs/167: need at least 10GB of scratch space to run Eric Sandeen (2): [c365b11] fsx: introduce FSX_AVOID env var [de876b9] xfs: test X_QUOTARM functionality Eric Whitney (3): [b90e14f] common: add helper for zero range support check [9c04c84] ext4/001: fix check for zero range support [fbd6c52] generic/009: fix check for zero range support Eryu Guan (1): [7f783df] common: set _fs_has_crcs=0 as default in _filter_mkfs() Filipe David Borba Manana (4): [f81be18] btrfs: punch holes and prealloc extents with send [57e801d] btrfs: add test for btrfs properties [73d9443] btrfs/004: fix filefrag filter for files with 1 block only [6fcbf58] btrfs/004: fix failure with inlined file extents Konstantin Khlebnikov (1): [35ee392] generic/285: fix test for generic SEEK_HOLE/DATA implementations Lukas Czerner (1): [9631a1f] common: Remove unused functions Namjae Jeon (1): [d37388c] fsstress: remove duplicate COLLAPSE_RANGE flags Code Diffstat: README | 5 ++ common/config | 4 + common/filter | 1 + common/rc | 103 ++++------------------- ltp/fsstress.c | 1 - src/seek_sanity_test.c | 5 +- tests/btrfs/004 | 36 +++++--- tests/btrfs/047 | 122 +++++++++++++++++++++++++++ tests/btrfs/047.out | 35 ++++++++ tests/btrfs/048 | 220 +++++++++++++++++++++++++++++++++++++++++++++++++ tests/btrfs/048.out | 78 ++++++++++++++++++ tests/btrfs/group | 2 + tests/ext4/001 | 2 +- tests/generic/009 | 2 +- tests/generic/075 | 2 +- tests/generic/091 | 2 +- tests/generic/112 | 2 +- tests/generic/127 | 8 +- tests/generic/231 | 2 +- tests/generic/263 | 2 +- tests/xfs/007 | 79 ++++++++++++++++++ tests/xfs/007.out | 10 +++ tests/xfs/167 | 6 ++ tests/xfs/group | 1 + 24 files changed, 617 insertions(+), 113 deletions(-) create mode 100755 tests/btrfs/047 create mode 100644 tests/btrfs/047.out create mode 100755 tests/btrfs/048 create mode 100644 tests/btrfs/048.out create mode 100755 tests/xfs/007 create mode 100644 tests/xfs/007.out -- Dave Chinner david@fromorbit.com From jeff.liu@oracle.com Tue Apr 22 03:19:19 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id BCB947F3F for ; Tue, 22 Apr 2014 03:19:19 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 84ECA30404E for ; Tue, 22 Apr 2014 01:19:16 -0700 (PDT) X-ASG-Debug-ID: 1398154754-04cb6c2439243be0001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id v6y02C6umJn38Kam (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Tue, 22 Apr 2014 01:19:15 -0700 (PDT) X-Barracuda-Envelope-From: jeff.liu@oracle.com X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from ucsinet22.oracle.com (ucsinet22.oracle.com [156.151.31.94]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id s3M8J46h021968 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Tue, 22 Apr 2014 08:19:04 GMT Received: from userz7021.oracle.com (userz7021.oracle.com [156.151.31.85]) by ucsinet22.oracle.com (8.14.5+Sun/8.14.5) with ESMTP id s3M8J3kQ022705 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=FAIL); Tue, 22 Apr 2014 08:19:04 GMT Received: from abhmp0015.oracle.com (abhmp0015.oracle.com [141.146.116.21]) by userz7021.oracle.com (8.14.4+Sun/8.14.4) with ESMTP id s3M8J3qR011847; Tue, 22 Apr 2014 08:19:03 GMT Received: from [192.168.1.106] (/123.119.106.47) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Tue, 22 Apr 2014 01:19:02 -0700 Message-ID: <535625AC.2030807@oracle.com> Date: Tue, 22 Apr 2014 16:17:48 +0800 From: Jeff Liu User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.1.0 MIME-Version: 1.0 To: Brian Foster CC: Tuomas Tynkkynen , linux-kernel@vger.kernel.org, xfs@oss.sgi.com Subject: Re: [PATCH] xfs: Fix wrong error codes being returned References: <1398074687-26548-1-git-send-email-tuomas.tynkkynen@iki.fi> <5355132F.4070303@oracle.com> <20140421130931.GB24813@bfoster.bfoster> <535524BE.7070704@oracle.com> <20140421143629.GB4371@laptop.bfoster> X-ASG-Orig-Subj: Re: [PATCH] xfs: Fix wrong error codes being returned In-Reply-To: <20140421143629.GB4371@laptop.bfoster> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Source-IP: ucsinet22.oracle.com [156.151.31.94] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1398154754 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5143 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On 04/12 2014 22:36 PM, Brian Foster wrote: > On Mon, Apr 21, 2014 at 10:01:34PM +0800, Jeff Liu wrote: >> >> On 04/21 2014 21:09 PM, Brian Foster wrote: >>> On Mon, Apr 21, 2014 at 08:46:39PM +0800, Jeff Liu wrote: >>>> Hi Tuomas, >>>> >>>> On 04/21 2014 18:04 PM, Tuomas Tynkkynen wrote: >>>>> xfs_{compat_,}attrmulti_by_handle could return an errno with incorrect >>>>> sign in some cases. While at it, make sure ENOMEM is returned instead of >>>>> E2BIG if kmalloc fails. >>>>> >>>>> Signed-off-by: Tuomas Tynkkynen >>>>> --- >>>>> Compile tested only. For the ERANGE case, I also wonder if it should >>>>> be assigning to ops[i].am_error instead of error, and/or have a break. >>>> >>>> If I understand right, ops[i].am_error is used to save the internal operation result, >>>> i.e, xfs_attrmult_attr_get{set}... but error is used for the ioctl call results. >>>> Therefore, assign ERANGE to error is compatible with the VFS set{get}xattr syscalls in >>>> case of "if (ops[i].am_error == 0 || ops[i].am_error == MAXNAMELEN)". >>>> >>> >>> But we set 'error' in this case and effectively try to continue the operation >>> whereas the traditional vfs path returns... >> >> So the error would always be set to ERANGE if one or more attrname is/are invalid. >> > > Right... > >>> >>>> It seems that we don't need to have a break in this case because xfs_attrmulti_by_handle() >>>> is used to process multiple attrs. Hence if a given attrname in ops array is invalid, >>>> the am_error will indicate that with ENOATTR or EFAULT...but it should proceed to loop >>>> through the left array members. >>>> >>> >>> Perhaps so if am_error == 0, but it depends on what attr_name contains >>> at that point (stale data?). Otherwise, we try to proceed with a >>> truncated name. It looks like the consistent thing to do would be set >>> am_error to ERANGE and continue (i.e., skip the op and move on to the >>> next). >> >> If we continue to process a truncated name in case of MAXNAMELEN, it would return >> EFAULT for SET/REMOVE operations, and ENOATTR for GET operation, which would be >> set back to am_error, but error still keep as ERANGE which is consistently. >> > > Ah, we should hit an error in the xfs_attr_name_to_xname() call > deeper in the callchain, so the truncated name case should not be an > issue. The am_error == 0 case still looks weird to me. IMO am_error == 0 case means that the supplied attrname is NULL, and this would be detected by xfs_attr_name_to_xname() as well, i.e, if (!aname) return EINVAL; > > So we return an error and set am_error if there's an issue with the attr > name. But the am_error would be replaced with another errno if any operation is failed thereafter, or 0 on success. So the error is only used to indicate the ioctl call status anyway. > If there's another error in the op path, we set am_error only and > continue on. Not being familiar with the interface, I'm curious if there > is any particular reason for that difference in behavior. It seems like > the caller should process all of the return codes anyways. It seems to me that the design is convenient to the user space as the user could get more precise call status for one/more particular attrname{s} operations. Thanks, -Jeff From anonymous@bilgenet.com Tue Apr 22 03:26:15 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=FREEMAIL_FROM,HTML_MESSAGE autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id A07A27F3F for ; Tue, 22 Apr 2014 03:26:15 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 665878F8039 for ; Tue, 22 Apr 2014 01:26:12 -0700 (PDT) X-ASG-Debug-ID: 1398155166-04cb6c24392442c0001-NocioJ Received: from bilgenet.com (rvyetenekhavuzu.org [95.0.223.229]) by cuda.sgi.com with ESMTP id 2nAkgQOsk4be76Hj (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Tue, 22 Apr 2014 01:26:07 -0700 (PDT) X-Barracuda-Envelope-From: anonymous@bilgenet.com X-Barracuda-Apparent-Source-IP: 95.0.223.229 Received: (qmail 12916 invoked by uid 48); 22 Apr 2014 10:12:28 +0300 Date: 22 Apr 2014 10:12:28 +0300 To: , , , , , , , , , , , , , , , , , , , Subject: =?windows-1251?B?0e7h8fLi5e3t++kg4ejn7eXxIPEg4u7n7O7m?= =?windows-1251?B?7e7x8vz+IOfg8ODh7vLg8vwg5O4gNzAg8vvx?= =?windows-1251?B?IPDz4SDiIO3l5OXr/iE=?= From: =?windows-1251?B?zejq7uvg6SDN7uLo6u7i?= X-ASG-Orig-Subj: =?windows-1251?B?0e7h8fLi5e3t++kg4ejn7eXxIPEg4u7n7O7m?= =?windows-1251?B?7e7x8vz+IOfg8ODh7vLg8vwg5O4gNzAg8vvx?= =?windows-1251?B?IPDz4SDiIO3l5OXr/iE=?= Reply-To: X-Priority: 3 (Normal) Message-ID: <2325184944.20140422111214@mail.ru> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_25CA_01CF5E1B.B6E8C5F0" X-Barracuda-Connect: rvyetenekhavuzu.org[95.0.223.229] X-Barracuda-Start-Time: 1398155167 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.20 X-Barracuda-Spam-Status: No, SCORE=0.20 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_SA584, HTML_MESSAGE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5143 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 HTML_MESSAGE BODY: HTML included in message 0.20 BSF_SC0_SA584 Custom Rule SA584 ------=_NextPart_000_25CA_01CF5E1B.B6E8C5F0 Content-Type: text/plain; charset="windows-1251" Content-Transfer-Encoding: quoted-printable =C7=E0=F0=E0=E1=E0=F2=FB=E2=E0=E9, =ED=E5 =EE=F2=F0=FB=E2=E0=FF=F1=FC =EE= =F2 =E4=EE=EC=E0=F8=ED=E8=F5 =E4=E5=EB! =C2=C8=CF-=D0=C0=C1=CE=D2=C0.=D0=D3= =20 ------=_NextPart_000_25CA_01CF5E1B.B6E8C5F0 Content-Type: text/html; charset="windows-1251" Content-Transfer-Encoding: quoted-printable
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------=_NextPart_000_25CA_01CF5E1B.B6E8C5F0-- From david@fromorbit.com Tue Apr 22 04:10:50 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 988A27F3F for ; Tue, 22 Apr 2014 04:10:50 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 85D38304043 for ; Tue, 22 Apr 2014 02:10:50 -0700 (PDT) X-ASG-Debug-ID: 1398157846-04cb6c2439246cb0001-NocioJ Received: from ipmail06.adl6.internode.on.net (ipmail06.adl6.internode.on.net [150.101.137.145]) by cuda.sgi.com with ESMTP id e0wJU3y7oYp5XrCn for ; Tue, 22 Apr 2014 02:10:46 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.145 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AppcAAYxVlN5LEcvPGdsb2JhbABZgwaDZIUKomeUBIVjgRMXAwEBAQE4NYIlAQEFOhwjEAgDDgoJJQ8FJQMHGhOIQMwoFxaOQAeDJIEUBJhvlhYr Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail06.adl6.internode.on.net with ESMTP; 22 Apr 2014 18:40:46 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WcWix-0008OE-Bb; Tue, 22 Apr 2014 19:10:43 +1000 Date: Tue, 22 Apr 2014 19:10:43 +1000 From: Dave Chinner To: Christoph Hellwig Cc: xfs@oss.sgi.com Subject: Re: [PATCH 5/9] repair: detect CRC errors in AG headers Message-ID: <20140422091043.GF15995@dastard> X-ASG-Orig-Subj: Re: [PATCH 5/9] repair: detect CRC errors in AG headers References: <1397550301-31883-1-git-send-email-david@fromorbit.com> <1397550301-31883-6-git-send-email-david@fromorbit.com> <20140421071106.GF20384@infradead.org> <20140421233512.GE18672@dastard> <20140422064737.GA32026@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140422064737.GA32026@infradead.org> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail06.adl6.internode.on.net[150.101.137.145] X-Barracuda-Start-Time: 1398157846 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5144 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Mon, Apr 21, 2014 at 11:47:37PM -0700, Christoph Hellwig wrote: > On Tue, Apr 22, 2014 at 09:35:12AM +1000, Dave Chinner wrote: > > > Shouldn't we apply the same scheme as for directories here, that is if > > > it fails with a verifier error re-read without the verifier and then > > > still do the full check as well? > > > > The directory code is the special case - it uses xfs_trans_read_buf* > > interfaces, which return either a good buffer with no error or an > > error with no buffer. Hence for the directory code, we have to > > re-read the buffer without the verifier to grab the unchecked buffer > > from the cache when the verifier detects an error. > > How about just having a variant of xfs_da_read_buf that doesn't use > xfs_trans_read_buf *? xfs_da_read_buf is pretty simple, especially > when removing the magic test that has been superceeded by the verifiers. Right now I ijust want to keep the change as small as possible and get a release out. Yes, I agree there's much more cleanup that is needed in this code, but at this point is seems unnecessary and doesn't matter for the purpose of providing this functionality initially. We have to provide the same functionality for the kernel code for it to be able to handle CRC errors sanely, and so we're going to need to restructure xfs_trans_read_buf() to handle it. in doing this, we solve the libxfs problem, too, because what we do to the kernel code will flow on to userspace... So really, I'd prefer to leave the userspace code doing this retry for this one piece of infrastructure and do all the major restructing of the directory buffer read code in the kernel code first. That way we can pick up all the changes for userspace when the libxfs code is updated. Keep in mind that right now we've got a *lot* of updates from the kernel to the libxfs code pending that are stalled waiting for a release to be done... Cheers, Dave. -- Dave Chinner david@fromorbit.com From david@fromorbit.com Tue Apr 22 04:14:51 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 7A0957F4E for ; Tue, 22 Apr 2014 04:14:51 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 3C7988F8049 for ; Tue, 22 Apr 2014 02:14:48 -0700 (PDT) X-ASG-Debug-ID: 1398158085-04cb6c24382470f0001-NocioJ Received: from ipmail06.adl6.internode.on.net (ipmail06.adl6.internode.on.net [150.101.137.145]) by cuda.sgi.com with ESMTP id oowRsFHs2g9USuIA for ; Tue, 22 Apr 2014 02:14:46 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.145 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AppcAC8yVlN5LEcvPGdsb2JhbABZgwaDZIUKomeUBIVjgRMXAwEBAQE4NYIlAQEFOhwjEAgDDgoJJQ8FJQMHGhOIQMwpFxaOQAeEOAEDmG+WFis Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail06.adl6.internode.on.net with ESMTP; 22 Apr 2014 18:44:44 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WcWmp-0008OV-To; Tue, 22 Apr 2014 19:14:43 +1000 Date: Tue, 22 Apr 2014 19:14:43 +1000 From: Dave Chinner To: Christoph Hellwig Cc: Eric Whitney , xfs@oss.sgi.com, linux-ext4@vger.kernel.org Subject: Re: [PATCH 1/3] xfstests: add helper for zero range support check Message-ID: <20140422091443.GG15995@dastard> X-ASG-Orig-Subj: Re: [PATCH 1/3] xfstests: add helper for zero range support check References: <20140421204023.GB960@wallace> <20140422062816.GB31337@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140422062816.GB31337@infradead.org> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail06.adl6.internode.on.net[150.101.137.145] X-Barracuda-Start-Time: 1398158085 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5144 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Mon, Apr 21, 2014 at 11:28:16PM -0700, Christoph Hellwig wrote: > > +# check that xfs_io, kernel, and filesystem all support fallocate with zero > > +# range > > +_require_xfs_io_falloc_zero() > > +{ > > + _require_xfs_io_command "fzero" > > +} > > I'd rather remove all the wrappers around _require_xfs_io_command, they > don't actually add any value. I don't really care either way, as long as all the checks are done consistently. Send a patch to change them all... :) Cheers, Dave. -- Dave Chinner david@fromorbit.com From BATV+bd25337ece1fc3b91b42+3894+infradead.org+hch@bombadil.srs.infradead.org Tue Apr 22 04:16:23 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id E71D17F55 for ; Tue, 22 Apr 2014 04:16:23 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 9924B8F8065 for ; Tue, 22 Apr 2014 02:16:23 -0700 (PDT) X-ASG-Debug-ID: 1398158182-04cb6c24372472c0001-NocioJ Received: from bombadil.infradead.org ([198.137.202.9]) by cuda.sgi.com with ESMTP id FQ3vGXfb0hrqMFkE (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Tue, 22 Apr 2014 02:16:22 -0700 (PDT) X-Barracuda-Envelope-From: BATV+bd25337ece1fc3b91b42+3894+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.80.1 #2 (Red Hat Linux)) id 1WcWoO-0001Xh-3n; Tue, 22 Apr 2014 09:16:20 +0000 Date: Tue, 22 Apr 2014 02:16:20 -0700 From: Christoph Hellwig To: Dave Chinner Cc: Christoph Hellwig , Eric Whitney , xfs@oss.sgi.com, linux-ext4@vger.kernel.org Subject: Re: [PATCH 1/3] xfstests: add helper for zero range support check Message-ID: <20140422091620.GA4980@infradead.org> X-ASG-Orig-Subj: Re: [PATCH 1/3] xfstests: add helper for zero range support check References: <20140421204023.GB960@wallace> <20140422062816.GB31337@infradead.org> <20140422091443.GG15995@dastard> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140422091443.GG15995@dastard> User-Agent: Mutt/1.5.21 (2010-09-15) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html X-Barracuda-Connect: UNKNOWN[198.137.202.9] X-Barracuda-Start-Time: 1398158182 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.10 X-Barracuda-Spam-Status: No, SCORE=0.10 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=RDNS_NONE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5144 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.10 RDNS_NONE Delivered to trusted network by a host with no rDNS On Tue, Apr 22, 2014 at 07:14:43PM +1000, Dave Chinner wrote: > I don't really care either way, as long as all the checks are done > consistently. Send a patch to change them all... :) My flink test already avoids the wrapper :) So how about we stop adding them for now at least. From lczerner@redhat.com Tue Apr 22 04:29:04 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 4EBC77F4E for ; Tue, 22 Apr 2014 04:29:04 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id DB5A4AC008 for ; Tue, 22 Apr 2014 02:29:03 -0700 (PDT) X-ASG-Debug-ID: 1398158938-04bdf04554254fd0001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id B8CdB6uf2Kj30rjC for ; Tue, 22 Apr 2014 02:28:59 -0700 (PDT) X-Barracuda-Envelope-From: lczerner@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx01.intmail.prod.int.phx2.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3M9SYlg031528 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Tue, 22 Apr 2014 05:28:35 -0400 Received: from vpn1-4-38.ams2.redhat.com (vpn1-4-38.ams2.redhat.com [10.36.4.38]) by int-mx01.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id s3M9SVGS020662 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Tue, 22 Apr 2014 05:28:33 -0400 Date: Tue, 22 Apr 2014 11:28:31 +0200 (CEST) From: =?ISO-8859-15?Q?Luk=E1=A8_Czerner?= X-X-Sender: lczerner@localhost.localdomain To: Christoph Hellwig cc: Dave Chinner , linux-ext4@vger.kernel.org, xfs@oss.sgi.com, Eric Whitney Subject: Re: [PATCH 1/3] xfstests: add helper for zero range support check In-Reply-To: <20140422091620.GA4980@infradead.org> X-ASG-Orig-Subj: Re: [PATCH 1/3] xfstests: add helper for zero range support check Message-ID: References: <20140421204023.GB960@wallace> <20140422062816.GB31337@infradead.org> <20140422091443.GG15995@dastard> <20140422091620.GA4980@infradead.org> User-Agent: Alpine 2.00 (LFD 1167 2008-08-23) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII X-Scanned-By: MIMEDefang 2.67 on 10.5.11.11 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1398158939 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Tue, 22 Apr 2014, Christoph Hellwig wrote: > Date: Tue, 22 Apr 2014 02:16:20 -0700 > From: Christoph Hellwig > To: Dave Chinner > Cc: Christoph Hellwig , linux-ext4@vger.kernel.org, > xfs@oss.sgi.com, Eric Whitney > Subject: Re: [PATCH 1/3] xfstests: add helper for zero range support check > > On Tue, Apr 22, 2014 at 07:14:43PM +1000, Dave Chinner wrote: > > I don't really care either way, as long as all the checks are done > > consistently. Send a patch to change them all... :) > > My flink test already avoids the wrapper :) > > So how about we stop adding them for now at least. I agree, even though I screwed up when using _require_xfs_io_command with fzero :) I think that we can avoid the wrappers and just use _require_xfs_io_command() with the command name. -Lukas > > _______________________________________________ > xfs mailing list > xfs@oss.sgi.com > http://oss.sgi.com/mailman/listinfo/xfs > From BATV+bd25337ece1fc3b91b42+3894+infradead.org+hch@bombadil.srs.infradead.org Tue Apr 22 04:42:00 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id E78CC7F4E for ; Tue, 22 Apr 2014 04:42:00 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id D234F8F8040 for ; Tue, 22 Apr 2014 02:42:00 -0700 (PDT) X-ASG-Debug-ID: 1398159719-04cb6c2437248b70001-NocioJ Received: from bombadil.infradead.org ([198.137.202.9]) by cuda.sgi.com with ESMTP id DFBkHZFnaZQpqnnX (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Tue, 22 Apr 2014 02:42:00 -0700 (PDT) X-Barracuda-Envelope-From: BATV+bd25337ece1fc3b91b42+3894+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.80.1 #2 (Red Hat Linux)) id 1WcXDD-0005Bp-Hb; Tue, 22 Apr 2014 09:41:59 +0000 Date: Tue, 22 Apr 2014 02:41:59 -0700 From: Christoph Hellwig To: Dave Chinner Cc: Christoph Hellwig , xfs@oss.sgi.com Subject: Re: [PATCH 5/9] repair: detect CRC errors in AG headers Message-ID: <20140422094159.GB17700@infradead.org> X-ASG-Orig-Subj: Re: [PATCH 5/9] repair: detect CRC errors in AG headers References: <1397550301-31883-1-git-send-email-david@fromorbit.com> <1397550301-31883-6-git-send-email-david@fromorbit.com> <20140421071106.GF20384@infradead.org> <20140421233512.GE18672@dastard> <20140422064737.GA32026@infradead.org> <20140422091043.GF15995@dastard> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140422091043.GF15995@dastard> User-Agent: Mutt/1.5.21 (2010-09-15) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html X-Barracuda-Connect: UNKNOWN[198.137.202.9] X-Barracuda-Start-Time: 1398159720 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.10 X-Barracuda-Spam-Status: No, SCORE=0.10 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=RDNS_NONE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5144 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.10 RDNS_NONE Delivered to trusted network by a host with no rDNS On Tue, Apr 22, 2014 at 07:10:43PM +1000, Dave Chinner wrote: > Right now I ijust want to keep the change as small as possible and > get a release out. Oh well. I'll probably ACK it next time it comes around. I think the series needs enough changes for a resend anyway. From david@fromorbit.com Tue Apr 22 04:46:18 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 10EC07F3F for ; Tue, 22 Apr 2014 04:46:18 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id E2B7E8F8064 for ; Tue, 22 Apr 2014 02:46:17 -0700 (PDT) X-ASG-Debug-ID: 1398159975-04cb6c2439248f40001-NocioJ Received: from ipmail06.adl6.internode.on.net (ipmail06.adl6.internode.on.net [150.101.137.145]) by cuda.sgi.com with ESMTP id OhFzzEsYQlkyD9HB for ; Tue, 22 Apr 2014 02:46:15 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.145 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: ArRcAGc5VlN5LEcvPGdsb2JhbABZgwaDZFGEOaJnlASFY4EVFwMBAQEBODWCJQEBBSMPASMjEAgBAhEDAQIBAgIFIQICDwUNGAMHDA4TiC0DEIx+nBucJg2GaxcWgROLFYIYB4JvgUkBA5cCgW2NAYkVKw Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail06.adl6.internode.on.net with ESMTP; 22 Apr 2014 19:16:14 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WcXHI-0008U8-73; Tue, 22 Apr 2014 19:46:12 +1000 Date: Tue, 22 Apr 2014 19:46:12 +1000 From: Dave Chinner To: =?utf-8?B?THVrw6HFoQ==?= Czerner Cc: Christoph Hellwig , linux-ext4@vger.kernel.org, xfs@oss.sgi.com, Eric Whitney Subject: Re: [PATCH 1/3] xfstests: add helper for zero range support check Message-ID: <20140422094612.GJ18672@dastard> X-ASG-Orig-Subj: Re: [PATCH 1/3] xfstests: add helper for zero range support check References: <20140421204023.GB960@wallace> <20140422062816.GB31337@infradead.org> <20140422091443.GG15995@dastard> <20140422091620.GA4980@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail06.adl6.internode.on.net[150.101.137.145] X-Barracuda-Start-Time: 1398159975 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5144 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Tue, Apr 22, 2014 at 11:28:31AM +0200, Lukáš Czerner wrote: > On Tue, 22 Apr 2014, Christoph Hellwig wrote: > > > Date: Tue, 22 Apr 2014 02:16:20 -0700 > > From: Christoph Hellwig > > To: Dave Chinner > > Cc: Christoph Hellwig , linux-ext4@vger.kernel.org, > > xfs@oss.sgi.com, Eric Whitney > > Subject: Re: [PATCH 1/3] xfstests: add helper for zero range support check > > > > On Tue, Apr 22, 2014 at 07:14:43PM +1000, Dave Chinner wrote: > > > I don't really care either way, as long as all the checks are done > > > consistently. Send a patch to change them all... :) > > > > My flink test already avoids the wrapper :) > > > > So how about we stop adding them for now at least. > > I agree, > > even though I screwed up when using _require_xfs_io_command with > fzero :) I think that we can avoid the wrappers and just use > _require_xfs_io_command() with the command name. Send patches ;) Cheers, Dave. -- Dave Chinner david@fromorbit.com From jeff.liu@oracle.com Tue Apr 22 07:01:15 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id EBD1A7F50 for ; Tue, 22 Apr 2014 07:01:15 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id B71DC30404E for ; Tue, 22 Apr 2014 05:01:15 -0700 (PDT) X-ASG-Debug-ID: 1398168069-04cb6c2439252260001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id Sqbp6DAwxflPlKjY (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Tue, 22 Apr 2014 05:01:10 -0700 (PDT) X-Barracuda-Envelope-From: jeff.liu@oracle.com X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from acsinet22.oracle.com (acsinet22.oracle.com [141.146.126.238]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id s3MC17W0031102 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Tue, 22 Apr 2014 12:01:08 GMT Received: from userz7022.oracle.com (userz7022.oracle.com [156.151.31.86]) by acsinet22.oracle.com (8.14.4+Sun/8.14.4) with ESMTP id s3MC12eG011162 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Tue, 22 Apr 2014 12:01:07 GMT Received: from abhmp0018.oracle.com (abhmp0018.oracle.com [141.146.116.24]) by userz7022.oracle.com (8.14.5+Sun/8.14.4) with ESMTP id s3MC12SS000521; Tue, 22 Apr 2014 12:01:02 GMT Received: from [192.168.1.106] (/123.119.106.47) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Tue, 22 Apr 2014 05:01:01 -0700 Message-ID: <535659F7.4060702@oracle.com> Date: Tue, 22 Apr 2014 20:00:55 +0800 From: Jeff Liu User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.1.0 MIME-Version: 1.0 To: Dave Chinner CC: xfs@oss.sgi.com Subject: Re: [PATCH] xfs: remote attribute overwrite causes transaction overrun References: <1398149949-11324-1-git-send-email-david@fromorbit.com> X-ASG-Orig-Subj: Re: [PATCH] xfs: remote attribute overwrite causes transaction overrun In-Reply-To: <1398149949-11324-1-git-send-email-david@fromorbit.com> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Source-IP: acsinet22.oracle.com [141.146.126.238] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1398168070 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5148 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On 04/22 2014 14:59 PM, Dave Chinner wrote: > From: Dave Chinner > > Commit e461fcb ("xfs: remote attribute lookups require the value > length") passes the remote attribute length in the xfs_da_args > structure on lookup so that CRC calculations and validity checking > can be performed correctly by related code. This, unfortunately has > the side effect of changing the args->valuelen parameter in cases > where it shouldn't. > > That is, when we replace a remote attribute, the incoming > replacement stores the value and length in args->value and > args->valuelen, but then the lookup which finds the existing remote > attribute overwrites args->valuelen with the length of the remote > attribute being replaced. Hence when we go to create the new > attribute, we create it of the size of the existing remote > attribute, not the size it is supposed to be. When the new attribute > is much smaller than the old attribute, this results in a > transaction overrun and an ASSERT() failure on a debug kernel: > > XFS: Assertion failed: tp->t_blk_res_used <= tp->t_blk_res, file: fs/xfs/xfs_trans.c, line: 331 > > Fix this by keeping the remote attribute value length separate to > the attribute value length in the xfs_da_args structure. The enables > us to pass the length of the remote attribute to be removed without > overwriting the new attribute's length. > > Signed-off-by: Dave Chinner > --- > fs/xfs/xfs_attr.c | 7 ++++++- > fs/xfs/xfs_attr_leaf.c | 21 +++++++++++---------- > fs/xfs/xfs_attr_remote.c | 11 ++++++++--- > fs/xfs/xfs_da_btree.h | 2 ++ > 4 files changed, 27 insertions(+), 14 deletions(-) > > diff --git a/fs/xfs/xfs_attr.c b/fs/xfs/xfs_attr.c > index 01b6a01..dbaa674 100644 > --- a/fs/xfs/xfs_attr.c > +++ b/fs/xfs/xfs_attr.c > @@ -213,7 +213,7 @@ xfs_attr_calc_size( > * Out of line attribute, cannot double split, but > * make room for the attribute value itself. > */ > - uint dblocks = XFS_B_TO_FSB(mp, valuelen); > + uint dblocks = xfs_attr3_rmt_blocks(mp, valuelen); > nblks += dblocks; > nblks += XFS_NEXTENTADD_SPACE_RES(mp, dblocks, XFS_ATTR_FORK); > } > @@ -703,6 +703,7 @@ xfs_attr_leaf_addname(xfs_da_args_t *args) > args->index2 = args->index; > args->rmtblkno2 = args->rmtblkno; > args->rmtblkcnt2 = args->rmtblkcnt; > + args->rmtvaluelen2 = args->rmtvaluelen; > } > > /* > @@ -794,6 +795,7 @@ xfs_attr_leaf_addname(xfs_da_args_t *args) > args->blkno = args->blkno2; > args->rmtblkno = args->rmtblkno2; > args->rmtblkcnt = args->rmtblkcnt2; > + args->rmtvaluelen = args->rmtvaluelen2; > if (args->rmtblkno) { > error = xfs_attr_rmtval_remove(args); > if (error) > @@ -1004,8 +1006,10 @@ restart: > args->index2 = args->index; > args->rmtblkno2 = args->rmtblkno; > args->rmtblkcnt2 = args->rmtblkcnt; > + args->rmtvaluelen2 = args->rmtvaluelen; > args->rmtblkno = 0; > args->rmtblkcnt = 0; > + args->rmtvaluelen = 0; > } > > retval = xfs_attr3_leaf_add(blk->bp, state->args); > @@ -1133,6 +1137,7 @@ restart: > args->blkno = args->blkno2; > args->rmtblkno = args->rmtblkno2; > args->rmtblkcnt = args->rmtblkcnt2; > + args->rmtvaluelen = args->rmtvaluelen2; > if (args->rmtblkno) { > error = xfs_attr_rmtval_remove(args); > if (error) > diff --git a/fs/xfs/xfs_attr_leaf.c b/fs/xfs/xfs_attr_leaf.c > index fe9587f..511c283 100644 > --- a/fs/xfs/xfs_attr_leaf.c > +++ b/fs/xfs/xfs_attr_leaf.c > @@ -1229,6 +1229,7 @@ xfs_attr3_leaf_add_work( > name_rmt->valueblk = 0; > args->rmtblkno = 1; > args->rmtblkcnt = xfs_attr3_rmt_blocks(mp, args->valuelen); > + args->rmtvaluelen = args->valuelen; > } > xfs_trans_log_buf(args->trans, bp, > XFS_DA_LOGRANGE(leaf, xfs_attr3_leaf_name(leaf, args->index), > @@ -2167,11 +2168,11 @@ xfs_attr3_leaf_lookup_int( > if (!xfs_attr_namesp_match(args->flags, entry->flags)) > continue; > args->index = probe; > - args->valuelen = be32_to_cpu(name_rmt->valuelen); > + args->rmtvaluelen = be32_to_cpu(name_rmt->valuelen); > args->rmtblkno = be32_to_cpu(name_rmt->valueblk); > args->rmtblkcnt = xfs_attr3_rmt_blocks( > args->dp->i_mount, > - args->valuelen); > + args->rmtvaluelen); > return XFS_ERROR(EEXIST); > } > } > @@ -2220,19 +2221,19 @@ xfs_attr3_leaf_getvalue( > name_rmt = xfs_attr3_leaf_name_remote(leaf, args->index); > ASSERT(name_rmt->namelen == args->namelen); > ASSERT(memcmp(args->name, name_rmt->name, args->namelen) == 0); > - valuelen = be32_to_cpu(name_rmt->valuelen); > + args->rmtvaluelen = be32_to_cpu(name_rmt->valuelen); > args->rmtblkno = be32_to_cpu(name_rmt->valueblk); > args->rmtblkcnt = xfs_attr3_rmt_blocks(args->dp->i_mount, > - valuelen); > + args->rmtvaluelen); > if (args->flags & ATTR_KERNOVAL) { > - args->valuelen = valuelen; > + args->valuelen = args->rmtvaluelen; > return 0; > } > - if (args->valuelen < valuelen) { > - args->valuelen = valuelen; > + if (args->valuelen < args->rmtvaluelen) { > + args->valuelen = args->rmtvaluelen; > return XFS_ERROR(ERANGE); > } > - args->valuelen = valuelen; > + args->valuelen = args->rmtvaluelen; > } > return 0; > } > @@ -2519,7 +2520,7 @@ xfs_attr3_leaf_clearflag( > ASSERT((entry->flags & XFS_ATTR_LOCAL) == 0); > name_rmt = xfs_attr3_leaf_name_remote(leaf, args->index); > name_rmt->valueblk = cpu_to_be32(args->rmtblkno); > - name_rmt->valuelen = cpu_to_be32(args->valuelen); > + name_rmt->valuelen = cpu_to_be32(args->rmtvaluelen); > xfs_trans_log_buf(args->trans, bp, > XFS_DA_LOGRANGE(leaf, name_rmt, sizeof(*name_rmt))); > } > @@ -2677,7 +2678,7 @@ xfs_attr3_leaf_flipflags( > ASSERT((entry1->flags & XFS_ATTR_LOCAL) == 0); > name_rmt = xfs_attr3_leaf_name_remote(leaf1, args->index); > name_rmt->valueblk = cpu_to_be32(args->rmtblkno); > - name_rmt->valuelen = cpu_to_be32(args->valuelen); > + name_rmt->valuelen = cpu_to_be32(args->rmtvaluelen); > xfs_trans_log_buf(args->trans, bp1, > XFS_DA_LOGRANGE(leaf1, name_rmt, sizeof(*name_rmt))); > } > diff --git a/fs/xfs/xfs_attr_remote.c b/fs/xfs/xfs_attr_remote.c > index 6e37823..2324c66 100644 > --- a/fs/xfs/xfs_attr_remote.c > +++ b/fs/xfs/xfs_attr_remote.c > @@ -337,7 +337,7 @@ xfs_attr_rmtval_get( > struct xfs_buf *bp; > xfs_dablk_t lblkno = args->rmtblkno; > __uint8_t *dst = args->value; > - int valuelen = args->valuelen; > + int valuelen; > int nmap; > int error; > int blkcnt = args->rmtblkcnt; > @@ -348,6 +348,11 @@ xfs_attr_rmtval_get( > > ASSERT(!(args->flags & ATTR_KERNOVAL)); > > + /* remote value might be different size to the buffer supplied. */ > + if (args->rmtvaluelen = args->valuelen) ^^^ Here is a typo... Thanks, -Jeff From jeff.liu@oracle.com Tue Apr 22 07:43:34 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id ED8AA7F51 for ; Tue, 22 Apr 2014 07:43:34 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 9E3698F8064 for ; Tue, 22 Apr 2014 05:43:31 -0700 (PDT) X-ASG-Debug-ID: 1398170610-04cbb06e9d2552e0001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id orLu55j87Qsj5RMg (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Tue, 22 Apr 2014 05:43:30 -0700 (PDT) X-Barracuda-Envelope-From: jeff.liu@oracle.com X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from acsinet22.oracle.com (acsinet22.oracle.com [141.146.126.238]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id s3MCh58w025014 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Tue, 22 Apr 2014 12:43:06 GMT Received: from aserz7022.oracle.com (aserz7022.oracle.com [141.146.126.231]) by acsinet22.oracle.com (8.14.4+Sun/8.14.4) with ESMTP id s3MCh2bQ022430 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Tue, 22 Apr 2014 12:43:03 GMT Received: from abhmp0009.oracle.com (abhmp0009.oracle.com [141.146.116.15]) by aserz7022.oracle.com (8.14.4+Sun/8.14.4) with ESMTP id s3MCh25f022420; Tue, 22 Apr 2014 12:43:02 GMT Received: from [192.168.1.106] (/123.119.106.47) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Tue, 22 Apr 2014 05:43:02 -0700 Message-ID: <535663CB.5080309@oracle.com> Date: Tue, 22 Apr 2014 20:42:51 +0800 From: Jeff Liu User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.1.0 MIME-Version: 1.0 To: Eric Sandeen CC: Christoph Hellwig , xfs-oss Subject: Re: [PATCH] xfs: bulletfproof xfs_qm_scall_trunc_qfiles() References: <53558354.5040309@redhat.com> <20140422062736.GA31337@infradead.org> X-ASG-Orig-Subj: Re: [PATCH] xfs: bulletfproof xfs_qm_scall_trunc_qfiles() In-Reply-To: <20140422062736.GA31337@infradead.org> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Source-IP: acsinet22.oracle.com [141.146.126.238] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1398170610 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5149 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On 04/22 2014 14:27 PM, Christoph Hellwig wrote: > On Mon, Apr 21, 2014 at 03:45:08PM -0500, Eric Sandeen wrote: >> Coverity noticed that if we sent junk into >> xfs_qm_scall_trunc_qfiles(), we could get back an >> uninitialized error value. So sanitize the flags we >> will accept, and initialize error anyway for good measure. >> >> (This bug may have been introduced via c61a9e39). Indeed, my mistake. >> >> Should resolve Coverity CID 1163872. >> >> Signed-off-by: Eric Sandeen > > Looks good, > > Reviewed-by: Christoph Hellwig Looks good to me too. Reviewed-by: Jie Liu Thanks, -Jeff From bfoster@redhat.com Tue Apr 22 09:17:54 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 7E39A7F53 for ; Tue, 22 Apr 2014 09:17:54 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 5923B304032 for ; Tue, 22 Apr 2014 07:17:54 -0700 (PDT) X-ASG-Debug-ID: 1398176272-04cb6c243925a970001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id gwGK1wv5T2rzgv70 for ; Tue, 22 Apr 2014 07:17:52 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx01.intmail.prod.int.phx2.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3MEHkYl029541 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Tue, 22 Apr 2014 10:17:47 -0400 Received: from bfoster.bfoster ([10.18.41.237]) by int-mx01.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id s3MEHkTr014005; Tue, 22 Apr 2014 10:17:46 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id 4A45B12573F; Tue, 22 Apr 2014 10:17:45 -0400 (EDT) Date: Tue, 22 Apr 2014 10:17:44 -0400 From: Brian Foster To: Dave Chinner Cc: xfs@oss.sgi.com Subject: Re: [PATCH] xfs: remote attribute overwrite causes transaction overrun Message-ID: <20140422141743.GA55823@bfoster.bfoster> X-ASG-Orig-Subj: Re: [PATCH] xfs: remote attribute overwrite causes transaction overrun References: <1398149949-11324-1-git-send-email-david@fromorbit.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1398149949-11324-1-git-send-email-david@fromorbit.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-Scanned-By: MIMEDefang 2.67 on 10.5.11.11 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1398176272 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Tue, Apr 22, 2014 at 04:59:09PM +1000, Dave Chinner wrote: > From: Dave Chinner > > Commit e461fcb ("xfs: remote attribute lookups require the value > length") passes the remote attribute length in the xfs_da_args > structure on lookup so that CRC calculations and validity checking > can be performed correctly by related code. This, unfortunately has > the side effect of changing the args->valuelen parameter in cases > where it shouldn't. > > That is, when we replace a remote attribute, the incoming > replacement stores the value and length in args->value and > args->valuelen, but then the lookup which finds the existing remote > attribute overwrites args->valuelen with the length of the remote > attribute being replaced. Hence when we go to create the new > attribute, we create it of the size of the existing remote > attribute, not the size it is supposed to be. When the new attribute > is much smaller than the old attribute, this results in a > transaction overrun and an ASSERT() failure on a debug kernel: > > XFS: Assertion failed: tp->t_blk_res_used <= tp->t_blk_res, file: fs/xfs/xfs_trans.c, line: 331 > > Fix this by keeping the remote attribute value length separate to > the attribute value length in the xfs_da_args structure. The enables > us to pass the length of the remote attribute to be removed without > overwriting the new attribute's length. > > Signed-off-by: Dave Chinner > --- > fs/xfs/xfs_attr.c | 7 ++++++- > fs/xfs/xfs_attr_leaf.c | 21 +++++++++++---------- > fs/xfs/xfs_attr_remote.c | 11 ++++++++--- > fs/xfs/xfs_da_btree.h | 2 ++ > 4 files changed, 27 insertions(+), 14 deletions(-) > > diff --git a/fs/xfs/xfs_attr.c b/fs/xfs/xfs_attr.c > index 01b6a01..dbaa674 100644 > --- a/fs/xfs/xfs_attr.c > +++ b/fs/xfs/xfs_attr.c > @@ -213,7 +213,7 @@ xfs_attr_calc_size( > * Out of line attribute, cannot double split, but > * make room for the attribute value itself. > */ > - uint dblocks = XFS_B_TO_FSB(mp, valuelen); > + uint dblocks = xfs_attr3_rmt_blocks(mp, valuelen); > nblks += dblocks; > nblks += XFS_NEXTENTADD_SPACE_RES(mp, dblocks, XFS_ATTR_FORK); > } > @@ -703,6 +703,7 @@ xfs_attr_leaf_addname(xfs_da_args_t *args) > args->index2 = args->index; > args->rmtblkno2 = args->rmtblkno; > args->rmtblkcnt2 = args->rmtblkcnt; > + args->rmtvaluelen2 = args->rmtvaluelen; > } Why don't we zero out the first set of values here similar to the node case? > > /* > @@ -794,6 +795,7 @@ xfs_attr_leaf_addname(xfs_da_args_t *args) > args->blkno = args->blkno2; > args->rmtblkno = args->rmtblkno2; > args->rmtblkcnt = args->rmtblkcnt2; > + args->rmtvaluelen = args->rmtvaluelen2; > if (args->rmtblkno) { > error = xfs_attr_rmtval_remove(args); > if (error) > @@ -1004,8 +1006,10 @@ restart: > args->index2 = args->index; > args->rmtblkno2 = args->rmtblkno; > args->rmtblkcnt2 = args->rmtblkcnt; > + args->rmtvaluelen2 = args->rmtvaluelen; > args->rmtblkno = 0; > args->rmtblkcnt = 0; > + args->rmtvaluelen = 0; > } > > retval = xfs_attr3_leaf_add(blk->bp, state->args); > @@ -1133,6 +1137,7 @@ restart: > args->blkno = args->blkno2; > args->rmtblkno = args->rmtblkno2; > args->rmtblkcnt = args->rmtblkcnt2; > + args->rmtvaluelen = args->rmtvaluelen2; > if (args->rmtblkno) { > error = xfs_attr_rmtval_remove(args); > if (error) > diff --git a/fs/xfs/xfs_attr_leaf.c b/fs/xfs/xfs_attr_leaf.c > index fe9587f..511c283 100644 > --- a/fs/xfs/xfs_attr_leaf.c > +++ b/fs/xfs/xfs_attr_leaf.c > @@ -1229,6 +1229,7 @@ xfs_attr3_leaf_add_work( > name_rmt->valueblk = 0; > args->rmtblkno = 1; > args->rmtblkcnt = xfs_attr3_rmt_blocks(mp, args->valuelen); > + args->rmtvaluelen = args->valuelen; > } > xfs_trans_log_buf(args->trans, bp, > XFS_DA_LOGRANGE(leaf, xfs_attr3_leaf_name(leaf, args->index), > @@ -2167,11 +2168,11 @@ xfs_attr3_leaf_lookup_int( > if (!xfs_attr_namesp_match(args->flags, entry->flags)) > continue; > args->index = probe; > - args->valuelen = be32_to_cpu(name_rmt->valuelen); > + args->rmtvaluelen = be32_to_cpu(name_rmt->valuelen); > args->rmtblkno = be32_to_cpu(name_rmt->valueblk); > args->rmtblkcnt = xfs_attr3_rmt_blocks( > args->dp->i_mount, > - args->valuelen); > + args->rmtvaluelen); > return XFS_ERROR(EEXIST); > } > } > @@ -2220,19 +2221,19 @@ xfs_attr3_leaf_getvalue( > name_rmt = xfs_attr3_leaf_name_remote(leaf, args->index); > ASSERT(name_rmt->namelen == args->namelen); > ASSERT(memcmp(args->name, name_rmt->name, args->namelen) == 0); > - valuelen = be32_to_cpu(name_rmt->valuelen); > + args->rmtvaluelen = be32_to_cpu(name_rmt->valuelen); > args->rmtblkno = be32_to_cpu(name_rmt->valueblk); > args->rmtblkcnt = xfs_attr3_rmt_blocks(args->dp->i_mount, > - valuelen); > + args->rmtvaluelen); > if (args->flags & ATTR_KERNOVAL) { > - args->valuelen = valuelen; > + args->valuelen = args->rmtvaluelen; > return 0; > } > - if (args->valuelen < valuelen) { > - args->valuelen = valuelen; > + if (args->valuelen < args->rmtvaluelen) { > + args->valuelen = args->rmtvaluelen; > return XFS_ERROR(ERANGE); > } > - args->valuelen = valuelen; > + args->valuelen = args->rmtvaluelen; > } > return 0; > } > @@ -2519,7 +2520,7 @@ xfs_attr3_leaf_clearflag( > ASSERT((entry->flags & XFS_ATTR_LOCAL) == 0); > name_rmt = xfs_attr3_leaf_name_remote(leaf, args->index); > name_rmt->valueblk = cpu_to_be32(args->rmtblkno); > - name_rmt->valuelen = cpu_to_be32(args->valuelen); > + name_rmt->valuelen = cpu_to_be32(args->rmtvaluelen); > xfs_trans_log_buf(args->trans, bp, > XFS_DA_LOGRANGE(leaf, name_rmt, sizeof(*name_rmt))); > } > @@ -2677,7 +2678,7 @@ xfs_attr3_leaf_flipflags( > ASSERT((entry1->flags & XFS_ATTR_LOCAL) == 0); > name_rmt = xfs_attr3_leaf_name_remote(leaf1, args->index); > name_rmt->valueblk = cpu_to_be32(args->rmtblkno); > - name_rmt->valuelen = cpu_to_be32(args->valuelen); > + name_rmt->valuelen = cpu_to_be32(args->rmtvaluelen); > xfs_trans_log_buf(args->trans, bp1, > XFS_DA_LOGRANGE(leaf1, name_rmt, sizeof(*name_rmt))); > } > diff --git a/fs/xfs/xfs_attr_remote.c b/fs/xfs/xfs_attr_remote.c > index 6e37823..2324c66 100644 > --- a/fs/xfs/xfs_attr_remote.c > +++ b/fs/xfs/xfs_attr_remote.c > @@ -337,7 +337,7 @@ xfs_attr_rmtval_get( > struct xfs_buf *bp; > xfs_dablk_t lblkno = args->rmtblkno; > __uint8_t *dst = args->value; > - int valuelen = args->valuelen; > + int valuelen; > int nmap; > int error; > int blkcnt = args->rmtblkcnt; > @@ -348,6 +348,11 @@ xfs_attr_rmtval_get( > > ASSERT(!(args->flags & ATTR_KERNOVAL)); > > + /* remote value might be different size to the buffer supplied. */ > + if (args->rmtvaluelen = args->valuelen) > + args->valuelen = args->rmtvaluelen; > + valuelen = args->valuelen; > + Jeff already called this out as a potential typo... I'm guessing the intent is to handle the case where we call from xfs_attr3_leaf_list_int(). The other callers call xfs_attr3_leaf_getvalue() first, which sets rmtvaluelen and fixes up valuelen or returns an error (if short). The list_int() case looks like it queries the remote length just the same, but only sets valuelen... Why not just set both valuelen and rmtvaluelen there? Brian > while (valuelen > 0) { > nmap = ATTR_RMTVALUE_MAPSIZE; > error = xfs_bmapi_read(args->dp, (xfs_fileoff_t)lblkno, > @@ -415,7 +420,7 @@ xfs_attr_rmtval_set( > * attributes have headers, we can't just do a straight byte to FSB > * conversion and have to take the header space into account. > */ > - blkcnt = xfs_attr3_rmt_blocks(mp, args->valuelen); > + blkcnt = xfs_attr3_rmt_blocks(mp, args->rmtvaluelen); > error = xfs_bmap_first_unused(args->trans, args->dp, blkcnt, &lfileoff, > XFS_ATTR_FORK); > if (error) > @@ -480,7 +485,7 @@ xfs_attr_rmtval_set( > */ > lblkno = args->rmtblkno; > blkcnt = args->rmtblkcnt; > - valuelen = args->valuelen; > + valuelen = args->rmtvaluelen; > while (valuelen > 0) { > struct xfs_buf *bp; > xfs_daddr_t dblkno; > diff --git a/fs/xfs/xfs_da_btree.h b/fs/xfs/xfs_da_btree.h > index 6e95ea7..201c609 100644 > --- a/fs/xfs/xfs_da_btree.h > +++ b/fs/xfs/xfs_da_btree.h > @@ -60,10 +60,12 @@ typedef struct xfs_da_args { > int index; /* index of attr of interest in blk */ > xfs_dablk_t rmtblkno; /* remote attr value starting blkno */ > int rmtblkcnt; /* remote attr value block count */ > + int rmtvaluelen; /* remote attr value length in bytes */ > xfs_dablk_t blkno2; /* blkno of 2nd attr leaf of interest */ > int index2; /* index of 2nd attr in blk */ > xfs_dablk_t rmtblkno2; /* remote attr value starting blkno */ > int rmtblkcnt2; /* remote attr value block count */ > + int rmtvaluelen2; /* remote attr value length in bytes */ > int op_flags; /* operation flags */ > enum xfs_dacmp cmpresult; /* name compare result for lookups */ > } xfs_da_args_t; > -- > 1.9.0 > > _______________________________________________ > xfs mailing list > xfs@oss.sgi.com > http://oss.sgi.com/mailman/listinfo/xfs From sandeen@redhat.com Tue Apr 22 10:54:38 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 565977F56 for ; Tue, 22 Apr 2014 10:54:38 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 120D28F8065 for ; Tue, 22 Apr 2014 08:54:34 -0700 (PDT) X-ASG-Debug-ID: 1398182073-04cbb06e9a25f950001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id ml2hGzL7cweEncca for ; Tue, 22 Apr 2014 08:54:34 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx10.intmail.prod.int.phx2.redhat.com (int-mx10.intmail.prod.int.phx2.redhat.com [10.5.11.23]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3MFsCne019000 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 22 Apr 2014 11:54:12 -0400 Received: from liberator.sandeen.net (ovpn01.gateway.prod.ext.phx2.redhat.com [10.5.9.1]) by int-mx10.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s3MFsBL4032172 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES128-SHA bits=128 verify=NO); Tue, 22 Apr 2014 11:54:12 -0400 Message-ID: <535690A3.3080609@redhat.com> Date: Tue, 22 Apr 2014 10:54:11 -0500 From: Eric Sandeen User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:24.0) Gecko/20100101 Thunderbird/24.4.0 MIME-Version: 1.0 To: Christoph Hellwig CC: xfs-oss Subject: Re: [PATCH] xfs: fix Q_XQUOTARM ioctl References: <535580A1.20806@redhat.com> <20140422064316.GA30375@infradead.org> X-ASG-Orig-Subj: Re: [PATCH] xfs: fix Q_XQUOTARM ioctl In-Reply-To: <20140422064316.GA30375@infradead.org> X-Enigmail-Version: 1.6 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Scanned-By: MIMEDefang 2.68 on 10.5.11.23 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1398182074 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On 4/22/14, 1:43 AM, Christoph Hellwig wrote: > On Mon, Apr 21, 2014 at 03:33:37PM -0500, Eric Sandeen wrote: >> The Q_XQUOTARM quotactl was not working properly, because >> we weren't passing around proper flags. The xfs_fs_set_xstate() >> ioctl handler used the same flags for Q_XQUOTAON/OFF as >> well as for Q_XQUOTARM, but Q_XQUOTAON/OFF look for >> XFS_UQUOTA_ACCT, XFS_UQUOTA_ENFD, XFS_GQUOTA_ACCT etc, >> i.e. quota type + state, while Q_XQUOTARM looks only for >> the type of quota, i.e. XFS_DQ_USER, XFS_DQ_GROUP etc. >> >> Unfortunately these flag spaces overlap a bit, so we >> got semi-random results for Q_XQUOTARM; i.e. the value >> for XFS_DQ_USER == XFS_UQUOTA_ACCT, etc. yeargh. >> >> Split out the flag conversion from userspace to kernelspace, >> depending on the quotactl that is being executed; add 2 new >> helpers to do this, so that we send the right flags to the >> lower-level functions. >> >> This has been broken more or less forever, AFAICT. > > So if this isn't very urgent I'd rather replace ->set_xstate with one > operation per ioctl, so that we don't multiple different kinds of flags > over the same operation. > eh, that's probably better, I'll take a look. Thanks, -Eric From sandeen@sandeen.net Tue Apr 22 10:56:25 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id A32C47F56 for ; Tue, 22 Apr 2014 10:56:25 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 35C2AAC00F for ; Tue, 22 Apr 2014 08:56:21 -0700 (PDT) X-ASG-Debug-ID: 1398182180-04cbb06e9a25fa10001-NocioJ Received: from sandeen.net (sandeen.net [63.231.237.45]) by cuda.sgi.com with ESMTP id l14IfobKmD47krxc for ; Tue, 22 Apr 2014 08:56:20 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@sandeen.net X-Barracuda-Apparent-Source-IP: 63.231.237.45 Received: from liberator.sandeen.net (liberator.sandeen.net [10.0.0.4]) (using TLSv1 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (No client certificate requested) by sandeen.net (Postfix) with ESMTPSA id AF15363C5FF0; Tue, 22 Apr 2014 10:56:19 -0500 (CDT) Message-ID: <53569123.2080807@sandeen.net> Date: Tue, 22 Apr 2014 10:56:19 -0500 From: Eric Sandeen User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:24.0) Gecko/20100101 Thunderbird/24.4.0 MIME-Version: 1.0 To: Jeff Liu CC: Christoph Hellwig , xfs-oss Subject: Re: [PATCH] xfs: bulletfproof xfs_qm_scall_trunc_qfiles() References: <53558354.5040309@redhat.com> <20140422062736.GA31337@infradead.org> <535663CB.5080309@oracle.com> X-ASG-Orig-Subj: Re: [PATCH] xfs: bulletfproof xfs_qm_scall_trunc_qfiles() In-Reply-To: <535663CB.5080309@oracle.com> X-Enigmail-Version: 1.6 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Barracuda-Connect: sandeen.net[63.231.237.45] X-Barracuda-Start-Time: 1398182180 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5155 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On 4/22/14, 7:42 AM, Jeff Liu wrote: > > On 04/22 2014 14:27 PM, Christoph Hellwig wrote: >> On Mon, Apr 21, 2014 at 03:45:08PM -0500, Eric Sandeen wrote: >>> Coverity noticed that if we sent junk into >>> xfs_qm_scall_trunc_qfiles(), we could get back an >>> uninitialized error value. So sanitize the flags we >>> will accept, and initialize error anyway for good measure. >>> >>> (This bug may have been introduced via c61a9e39). > > Indeed, my mistake. No worries, it's a very small thing, and programatically impossible. Not trying to point fingers, just looking for whether it's a new warning or an old one. Thanks, -Eric From sandeen@sandeen.net Tue Apr 22 13:48:45 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id E09687F3F for ; Tue, 22 Apr 2014 13:48:44 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 5E7C9AC00E for ; Tue, 22 Apr 2014 11:48:40 -0700 (PDT) X-ASG-Debug-ID: 1398192518-04cbb06e9b265570001-NocioJ Received: from sandeen.net (sandeen.net [63.231.237.45]) by cuda.sgi.com with ESMTP id bsVsBbBgERKshwAG for ; Tue, 22 Apr 2014 11:48:38 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@sandeen.net X-Barracuda-Apparent-Source-IP: 63.231.237.45 Received: from liberator.sandeen.net (liberator.sandeen.net [10.0.0.4]) (using TLSv1 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (No client certificate requested) by sandeen.net (Postfix) with ESMTPSA id 0296763C5FF0; Tue, 22 Apr 2014 13:48:38 -0500 (CDT) Message-ID: <5356B986.2060906@sandeen.net> Date: Tue, 22 Apr 2014 13:48:38 -0500 From: Eric Sandeen User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:24.0) Gecko/20100101 Thunderbird/24.4.0 MIME-Version: 1.0 To: Eric Sandeen , xfs-oss CC: Jan Kara Subject: [PATCH V2] xfs: fix Q_XQUOTARM ioctl References: <535580A1.20806@redhat.com> X-ASG-Orig-Subj: [PATCH V2] xfs: fix Q_XQUOTARM ioctl In-Reply-To: <535580A1.20806@redhat.com> X-Enigmail-Version: 1.6 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Barracuda-Connect: sandeen.net[63.231.237.45] X-Barracuda-Start-Time: 1398192518 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5160 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- The Q_XQUOTARM quotactl was not working properly, because we weren't passing around proper flags. The xfs_fs_set_xstate() ioctl handler used the same flags for Q_XQUOTAON/OFF as well as for Q_XQUOTARM, but Q_XQUOTAON/OFF look for XFS_UQUOTA_ACCT, XFS_UQUOTA_ENFD, XFS_GQUOTA_ACCT etc, i.e. quota type + state, while Q_XQUOTARM looks only for the type of quota, i.e. XFS_DQ_USER, XFS_DQ_GROUP etc. Unfortunately these flag spaces overlap a bit, so we got semi-random results for Q_XQUOTARM; i.e. the value for XFS_DQ_USER == XFS_UQUOTA_ACCT, etc. yeargh. Add a new quotactl op vector specifically for the QUOTARM operation, since it operates with a different flag space. This has been broken more or less forever, AFAICT. Signed-off-by: Eric Sandeen --- diff --git a/fs/quota/quota.c b/fs/quota/quota.c index 2b363e2..ff3f0b3 100644 --- a/fs/quota/quota.c +++ b/fs/quota/quota.c @@ -278,6 +278,17 @@ static int quota_getxquota(struct super_block *sb, int type, qid_t id, return ret; } +static int quota_rmxquota(struct super_block *sb, void __user *addr) +{ + __u32 flags; + + if (copy_from_user(&flags, addr, sizeof(flags))) + return -EFAULT; + if (!sb->s_qcop->rm_xquota) + return -ENOSYS; + return sb->s_qcop->rm_xquota(sb, flags); +} + /* Copy parameters and call proper function */ static int do_quotactl(struct super_block *sb, int type, int cmd, qid_t id, void __user *addr, struct path *path) @@ -316,8 +327,9 @@ static int do_quotactl(struct super_block *sb, int type, int cmd, qid_t id, return sb->s_qcop->quota_sync(sb, type); case Q_XQUOTAON: case Q_XQUOTAOFF: - case Q_XQUOTARM: return quota_setxstate(sb, cmd, addr); + case Q_XQUOTARM: + return quota_rmxquota(sb, addr); case Q_XGETQSTAT: return quota_getxstate(sb, addr); case Q_XGETQSTATV: diff --git a/fs/xfs/xfs_quotaops.c b/fs/xfs/xfs_quotaops.c index af33caf..2ad1b98 100644 --- a/fs/xfs/xfs_quotaops.c +++ b/fs/xfs/xfs_quotaops.c @@ -100,16 +100,36 @@ xfs_fs_set_xstate( if (!XFS_IS_QUOTA_ON(mp)) return -EINVAL; return -xfs_qm_scall_quotaoff(mp, flags); - case Q_XQUOTARM: - if (XFS_IS_QUOTA_ON(mp)) - return -EINVAL; - return -xfs_qm_scall_trunc_qfiles(mp, flags); } return -EINVAL; } STATIC int +xfs_fs_rm_xquota( + struct super_block *sb, + unsigned int uflags) +{ + struct xfs_mount *mp = XFS_M(sb); + unsigned int flags = 0; + + if (sb->s_flags & MS_RDONLY) + return -EROFS; + + if (XFS_IS_QUOTA_ON(mp)) + return -EINVAL; + + if (uflags & FS_USER_QUOTA) + flags |= XFS_DQ_USER; + if (uflags & FS_GROUP_QUOTA) + flags |= XFS_DQ_GROUP; + if (uflags & FS_USER_QUOTA) + flags |= XFS_DQ_PROJ; + + return -xfs_qm_scall_trunc_qfiles(mp, flags); +} + +STATIC int xfs_fs_get_dqblk( struct super_block *sb, struct kqid qid, @@ -149,6 +169,7 @@ const struct quotactl_ops xfs_quotactl_operations = { .get_xstatev = xfs_fs_get_xstatev, .get_xstate = xfs_fs_get_xstate, .set_xstate = xfs_fs_set_xstate, + .rm_xquota = xfs_fs_rm_xquota, .get_dqblk = xfs_fs_get_dqblk, .set_dqblk = xfs_fs_set_dqblk, }; diff --git a/include/linux/quota.h b/include/linux/quota.h index cc7494a..0f3c5d3 100644 --- a/include/linux/quota.h +++ b/include/linux/quota.h @@ -329,6 +329,7 @@ struct quotactl_ops { int (*get_xstate)(struct super_block *, struct fs_quota_stat *); int (*set_xstate)(struct super_block *, unsigned int, int); int (*get_xstatev)(struct super_block *, struct fs_quota_statv *); + int (*rm_xquota)(struct super_block *, unsigned int); }; struct quota_format_type { From david@fromorbit.com Tue Apr 22 16:07:09 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 125B57F3F for ; Tue, 22 Apr 2014 16:07:09 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id EFFC630404E for ; Tue, 22 Apr 2014 14:07:05 -0700 (PDT) X-ASG-Debug-ID: 1398200819-04cbb06e9b2697c0001-NocioJ Received: from ipmail05.adl6.internode.on.net (ipmail05.adl6.internode.on.net [150.101.137.143]) by cuda.sgi.com with ESMTP id PaBKfLto74ngTvHL for ; Tue, 22 Apr 2014 14:07:00 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.143 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AlJlAIvZVlN5LEcvPGdsb2JhbABZgwaDZIUKonCZZoEVFwMBAQEBODWCJQEBBTocIxAIAw4KCSUPBSUDBxoTiEDNXxcWjkAHhDgEmG+WFis Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail05.adl6.internode.on.net with ESMTP; 23 Apr 2014 06:36:56 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1Wchu3-000262-Cu; Wed, 23 Apr 2014 07:06:55 +1000 Date: Wed, 23 Apr 2014 07:06:55 +1000 From: Dave Chinner To: Christoph Hellwig Cc: xfs@oss.sgi.com Subject: Re: filestream allocator rewrite Message-ID: <20140422210655.GK18672@dastard> X-ASG-Orig-Subj: Re: filestream allocator rewrite References: <1397289723-26243-1-git-send-email-hch@lst.de> <20140414022347.GI27694@dastard> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140414022347.GI27694@dastard> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail05.adl6.internode.on.net[150.101.137.143] X-Barracuda-Start-Time: 1398200819 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5163 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Mon, Apr 14, 2014 at 12:23:47PM +1000, Dave Chinner wrote: > On Sat, Apr 12, 2014 at 10:01:54AM +0200, Christoph Hellwig wrote: > > This series is a major overhaul of the filestream allocator. The main point > > is to use the dcache to get the parent and avoiding to maintain a fstrm_item > > for each inode that the filestream is applied to in favor of just tracking > > the parent, but there's various more or less related fallout from this as well. > > OVerall it looks good. I'll need to do some testing on it and > have a deeper look at the main use-the-dentry-cache patch, but it > removes a heap of complexity and code and gets rid of the use of > inode IO locks, so there's a loot to like here... So I've looked over this in more detail and done some testing on it, and apart from the comment I made about a function name, I can't spot any problems with the code. In terms of testing, this passes all of the filestreams group tests except of xfs/172, which still randomly fails. That makes it at least as reliable as the current code. However, the failure of xfs/172 is interesting. It is expecting buffered IO to *fail* due to a short filestreams timeout that is set. However, when it fails, it's actually separating the streams correctly: $ cat results//xfs/172.full stream 1 AGs: 0 0 0 0 0 4 4 4 stream 2 AGs: 1 1 1 1 1 5 5 5 stream 3 AGs: 2 2 2 2 2 6 6 6 stream 4 AGs: 3 3 3 3 3 7 7 7 - streams are in separate AGs, expected _matching_ $ And that's because it's able to create an association with it's parent at allocation time rather than create time. So, the test failure is actually a case of "this works better than the old code" and not a negative at all. And you can see where the AGs filled up in this test, and so new associations for the streams had to be made, and that worked just fine, too. I've done some other, higher bandwidth testing similar to realtime file-per-frame video ingest for 2k resolution video (12.8MB files, writing as fast as possible using direct IO with a directory per "video") and that works just fine at the limits of my local hardware (about 850MB/s to disk). So I'm going to modify the function name I disliked, and commit this to a topic branch and push it into the for-next branch for wider testing. If we need further modifications, we can fix them up later.... Cheers, Dave. -- Dave Chinner david@fromorbit.com From david@fromorbit.com Tue Apr 22 16:30:58 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id CDF177F4E for ; Tue, 22 Apr 2014 16:30:58 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id A730C8F8040 for ; Tue, 22 Apr 2014 14:30:55 -0700 (PDT) X-ASG-Debug-ID: 1398202253-04bdf0455327ae60001-NocioJ Received: from ipmail05.adl6.internode.on.net (ipmail05.adl6.internode.on.net [150.101.137.143]) by cuda.sgi.com with ESMTP id ZcXFAzkNNOFa8zQM for ; Tue, 22 Apr 2014 14:30:53 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.143 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AlBlADzeVlN5LEcvPGdsb2JhbABZgwaDZIUKonCZZoEVFwMBAQEBODWCJQEBBTocIxAIAxgJJQ8FJQMHGhOIQM4KFxaNc00HhDgEmG+KbIsqK4Et Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail05.adl6.internode.on.net with ESMTP; 23 Apr 2014 07:00:52 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WciHD-0002DL-Am; Wed, 23 Apr 2014 07:30:51 +1000 Date: Wed, 23 Apr 2014 07:30:51 +1000 From: Dave Chinner To: Eric Sandeen Cc: Eric Sandeen , xfs-oss , Jan Kara Subject: Re: [PATCH V2] xfs: fix Q_XQUOTARM ioctl Message-ID: <20140422213051.GL18672@dastard> X-ASG-Orig-Subj: Re: [PATCH V2] xfs: fix Q_XQUOTARM ioctl References: <535580A1.20806@redhat.com> <5356B986.2060906@sandeen.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <5356B986.2060906@sandeen.net> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail05.adl6.internode.on.net[150.101.137.143] X-Barracuda-Start-Time: 1398202253 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5164 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Tue, Apr 22, 2014 at 01:48:38PM -0500, Eric Sandeen wrote: > The Q_XQUOTARM quotactl was not working properly, because > we weren't passing around proper flags. The xfs_fs_set_xstate() > ioctl handler used the same flags for Q_XQUOTAON/OFF as > well as for Q_XQUOTARM, but Q_XQUOTAON/OFF look for > XFS_UQUOTA_ACCT, XFS_UQUOTA_ENFD, XFS_GQUOTA_ACCT etc, > i.e. quota type + state, while Q_XQUOTARM looks only for > the type of quota, i.e. XFS_DQ_USER, XFS_DQ_GROUP etc. > > Unfortunately these flag spaces overlap a bit, so we > got semi-random results for Q_XQUOTARM; i.e. the value > for XFS_DQ_USER == XFS_UQUOTA_ACCT, etc. yeargh. > > Add a new quotactl op vector specifically for the QUOTARM > operation, since it operates with a different flag space. > > This has been broken more or less forever, AFAICT. > > Signed-off-by: Eric Sandeen > --- Looks fine to me, but I'll need Jan to ack it before I pull it in. Cheers, Dave. -- Dave Chinner david@fromorbit.com From david@fromorbit.com Tue Apr 22 16:39:04 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 35AF37F50 for ; Tue, 22 Apr 2014 16:39:04 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id 0B34B8F8049 for ; Tue, 22 Apr 2014 14:39:03 -0700 (PDT) X-ASG-Debug-ID: 1398202741-04bdf0455427b1a0001-NocioJ Received: from ipmail05.adl6.internode.on.net (ipmail05.adl6.internode.on.net [150.101.137.143]) by cuda.sgi.com with ESMTP id 8ZzXNYZaf7MBQ4SX for ; Tue, 22 Apr 2014 14:39:01 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.143 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: Aq1xAJTgVlN5LEcvPGdsb2JhbABZgwaIbqJwmWeBFRcDAQEBATg1giUBAQU6HCMQCAMYCSUPBSUDBxoTiEDODxcWjkAHhDgEmG+KbIsqKw Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail05.adl6.internode.on.net with ESMTP; 23 Apr 2014 07:09:00 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WciP3-0002KO-Nb; Wed, 23 Apr 2014 07:38:57 +1000 Date: Wed, 23 Apr 2014 07:38:57 +1000 From: Dave Chinner To: Eric Sandeen Cc: xfs-oss Subject: Re: [PATCH 2/2] xfs: Nuke XFS_ERROR macro Message-ID: <20140422213857.GM18672@dastard> X-ASG-Orig-Subj: Re: [PATCH 2/2] xfs: Nuke XFS_ERROR macro References: <534EC073.8090006@sandeen.net> <534EC282.7010905@sandeen.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <534EC282.7010905@sandeen.net> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail05.adl6.internode.on.net[150.101.137.143] X-Barracuda-Start-Time: 1398202741 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5164 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Wed, Apr 16, 2014 at 12:48:50PM -0500, Eric Sandeen wrote: > XFS_ERROR was designed long ago to trap return values, > but it's not runtime configurable, it's not consistently used, > and we can do the same thing today with systemtap, using > something like: > > probe module("xfs").function("xfs_*").return { if (@defined($return) && $return == VALUE) { ... } } > > Just nuke XFS_ERROR and associated bits. > > Signed-off-by: Eric Sandeen Eric, given the rebasing impact of this change on other pending work, I think we should plan to merge this just prior to the next upstream merge. Perhaps regenerate it against the for-next branch a week before the merge window is likely to open, and then apply it? That way we (well, I) don't have to spend a alrge proportion of this merge window fixing up patch mismatches vs the master branch? Is that an acceptible approach for everyone? (Note: I'm assuming Christoph is OK with this given the ftrace scripts we can use to replace this macro...) Cheers, Dave. -- Dave Chinner david@fromorbit.com From jack@suse.cz Tue Apr 22 16:48:34 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id E30977F52 for ; Tue, 22 Apr 2014 16:48:34 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 81A94AC00D for ; Tue, 22 Apr 2014 14:48:34 -0700 (PDT) X-ASG-Debug-ID: 1398203311-04cbb06e9a26a8b0001-NocioJ Received: from mx2.suse.de (cantor2.suse.de [195.135.220.15]) by cuda.sgi.com with ESMTP id I37s5WYaqCEmEDxU (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Tue, 22 Apr 2014 14:48:32 -0700 (PDT) X-Barracuda-Envelope-From: jack@suse.cz X-Barracuda-Apparent-Source-IP: 195.135.220.15 Received: from relay2.suse.de (charybdis-ext.suse.de [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id A139AAB46; Tue, 22 Apr 2014 21:48:30 +0000 (UTC) Received: by quack.suse.cz (Postfix, from userid 1000) id C56AC81C3A; Tue, 22 Apr 2014 23:48:28 +0200 (CEST) Date: Tue, 22 Apr 2014 23:48:28 +0200 From: Jan Kara To: Dave Chinner Cc: Eric Sandeen , Eric Sandeen , xfs-oss , Jan Kara Subject: Re: [PATCH V2] xfs: fix Q_XQUOTARM ioctl Message-ID: <20140422214828.GL366@quack.suse.cz> X-ASG-Orig-Subj: Re: [PATCH V2] xfs: fix Q_XQUOTARM ioctl References: <535580A1.20806@redhat.com> <5356B986.2060906@sandeen.net> <20140422213051.GL18672@dastard> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140422213051.GL18672@dastard> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: cantor2.suse.de[195.135.220.15] X-Barracuda-Start-Time: 1398203312 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5165 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Wed 23-04-14 07:30:51, Dave Chinner wrote: > On Tue, Apr 22, 2014 at 01:48:38PM -0500, Eric Sandeen wrote: > > The Q_XQUOTARM quotactl was not working properly, because > > we weren't passing around proper flags. The xfs_fs_set_xstate() > > ioctl handler used the same flags for Q_XQUOTAON/OFF as > > well as for Q_XQUOTARM, but Q_XQUOTAON/OFF look for > > XFS_UQUOTA_ACCT, XFS_UQUOTA_ENFD, XFS_GQUOTA_ACCT etc, > > i.e. quota type + state, while Q_XQUOTARM looks only for > > the type of quota, i.e. XFS_DQ_USER, XFS_DQ_GROUP etc. > > > > Unfortunately these flag spaces overlap a bit, so we > > got semi-random results for Q_XQUOTARM; i.e. the value > > for XFS_DQ_USER == XFS_UQUOTA_ACCT, etc. yeargh. > > > > Add a new quotactl op vector specifically for the QUOTARM > > operation, since it operates with a different flag space. > > > > This has been broken more or less forever, AFAICT. > > > > Signed-off-by: Eric Sandeen > > --- > > Looks fine to me, but I'll need Jan to ack it before I pull it in. The patch looks good to me as well. So feel free to add: Acked-by: Jan Kara Honza -- Jan Kara SUSE Labs, CR From dave@fromorbit.com Tue Apr 22 17:04:45 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 0716A7F3F for ; Tue, 22 Apr 2014 17:04:45 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 7D920304032 for ; Tue, 22 Apr 2014 15:04:44 -0700 (PDT) X-ASG-Debug-ID: 1398204282-04cb6c243626aef0001-NocioJ Received: from ipmail05.adl6.internode.on.net (ipmail05.adl6.internode.on.net [150.101.137.143]) by cuda.sgi.com with ESMTP id 6LKU8jOC0kOLYYYV for ; Tue, 22 Apr 2014 15:04:42 -0700 (PDT) X-Barracuda-Envelope-From: dave@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.143 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AphxAGHmVlN5LEcvPGdsb2JhbABZgwaIbqJwmnwXAwEBAQE4NYIlAQEFVjMIGDE5AwcUGYhAzkmOc4QiBK8FKw Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail05.adl6.internode.on.net with ESMTP; 23 Apr 2014 07:34:40 +0930 Received: from disappointment.disaster.area ([192.168.1.110] helo=disappointment) by dastard with esmtp (Exim 4.80) (envelope-from ) id 1Wcinv-0002PL-DU for xfs@oss.sgi.com; Wed, 23 Apr 2014 08:04:39 +1000 Received: from dave by disappointment with local (Exim 4.82) (envelope-from ) id 1Wcinv-0000oC-Ci for xfs@oss.sgi.com; Wed, 23 Apr 2014 08:04:39 +1000 From: Dave Chinner To: xfs@oss.sgi.com Subject: [PATCH 4/6] generic: cleanup space after test in TESTDIR Date: Wed, 23 Apr 2014 08:04:32 +1000 X-ASG-Orig-Subj: [PATCH 4/6] generic: cleanup space after test in TESTDIR Message-Id: <1398204274-2113-5-git-send-email-david@fromorbit.com> X-Mailer: git-send-email 1.9.0 In-Reply-To: <1398204274-2113-1-git-send-email-david@fromorbit.com> References: <1398204274-2113-1-git-send-email-david@fromorbit.com> X-Barracuda-Connect: ipmail05.adl6.internode.on.net[150.101.137.143] X-Barracuda-Start-Time: 1398204282 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.60 X-Barracuda-Spam-Status: No, SCORE=0.60 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=MARKETING_SUBJECT X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5164 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.60 MARKETING_SUBJECT Subject contains popular marketing words From: Dave Chinner A couple of tests leave behind large files or directory structures when they complete, which leads to small TEST_DEVs running out of space during other tests. Make those space hogs clean up after themselves so that random tests don't fail with ENOSPC errors. Signed-off-by: Dave Chinner --- tests/generic/070 | 1 + tests/xfs/292 | 2 ++ 2 files changed, 3 insertions(+) diff --git a/tests/generic/070 b/tests/generic/070 index 3c88df0..f593d84 100755 --- a/tests/generic/070 +++ b/tests/generic/070 @@ -34,6 +34,7 @@ trap "_cleanup; exit \$status" 0 1 2 3 15 _cleanup() { cd / + rm -rf $TEST_DIR/fsstress rm -f $tmp.* } diff --git a/tests/xfs/292 b/tests/xfs/292 index d67db47..2910118 100755 --- a/tests/xfs/292 +++ b/tests/xfs/292 @@ -57,6 +57,8 @@ mkfs.xfs -f $fsfile 2>&1 | sed -e "s:$fsfile:FILENAME:g" | grep meta-data echo "mkfs.xfs with cmdline geometry" mkfs.xfs -f -d su=16k,sw=5 $fsfile 2>&1 | sed -e "s:$fsfile:FILENAME:g" | grep meta-data +rm -f $fsfile + # success, all done status=0 exit -- 1.9.0 From dave@fromorbit.com Tue Apr 22 17:04:45 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 1FF8D7F51 for ; Tue, 22 Apr 2014 17:04:45 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id E472F8F8066 for ; Tue, 22 Apr 2014 15:04:44 -0700 (PDT) X-ASG-Debug-ID: 1398204280-04bdf0455427bbc0003-NocioJ Received: from ipmail05.adl6.internode.on.net (ipmail05.adl6.internode.on.net [150.101.137.143]) by cuda.sgi.com with ESMTP id AzsiNhuPmbGeHo4r for ; Tue, 22 Apr 2014 15:04:43 -0700 (PDT) X-Barracuda-Envelope-From: dave@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.143 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AphxAGHmVlN5LEcvPGdsb2JhbABZgwaIbqJwmnwXAwEBAQE4NYIlAQEFVjMIGDE5AwcUGYhAzkmOc4QiBKNbiyor Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail05.adl6.internode.on.net with ESMTP; 23 Apr 2014 07:34:40 +0930 Received: from disappointment.disaster.area ([192.168.1.110] helo=disappointment) by dastard with esmtp (Exim 4.80) (envelope-from ) id 1Wcinv-0002PN-Ea for xfs@oss.sgi.com; Wed, 23 Apr 2014 08:04:39 +1000 Received: from dave by disappointment with local (Exim 4.82) (envelope-from ) id 1Wcinv-0000oM-Du for xfs@oss.sgi.com; Wed, 23 Apr 2014 08:04:39 +1000 From: Dave Chinner To: xfs@oss.sgi.com Subject: [PATCH 6/6] filter: xfs_repair emits new corruption messagse Date: Wed, 23 Apr 2014 08:04:34 +1000 X-ASG-Orig-Subj: [PATCH 6/6] filter: xfs_repair emits new corruption messagse Message-Id: <1398204274-2113-7-git-send-email-david@fromorbit.com> X-Mailer: git-send-email 1.9.0 In-Reply-To: <1398204274-2113-1-git-send-email-david@fromorbit.com> References: <1398204274-2113-1-git-send-email-david@fromorbit.com> X-Barracuda-Connect: ipmail05.adl6.internode.on.net[150.101.137.143] X-Barracuda-Start-Time: 1398204282 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5165 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- From: Dave Chinner xfs_repair now dumps metadata and CRC corruption information to the output from the verifier infrastrcuture. Filter this out so that it doesn't cause spurious test failures such as in xfs/030 and xfs/033. Signed-off-by: Dave Chinner --- common/repair | 3 +++ 1 file changed, 3 insertions(+) diff --git a/common/repair b/common/repair index db160bb..3e73c1d 100644 --- a/common/repair +++ b/common/repair @@ -80,6 +80,9 @@ s/\s+- \d+:\d\d:\d\d:.*\n//g; # crc enabled filesystem output /XFS_CORRUPTION_ERROR/ && next; /^bad uuid/ && next; +/^Metadata corruption detected/ && next; +/^Metadata CRC error detected/ && next; +/^agfl has bad CRC/ && next; print;' } -- 1.9.0 From dave@fromorbit.com Tue Apr 22 17:04:46 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 08B847F3F for ; Tue, 22 Apr 2014 17:04:46 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id D420D304032 for ; Tue, 22 Apr 2014 15:04:42 -0700 (PDT) X-ASG-Debug-ID: 1398204280-04bdf0455427bbc0001-NocioJ Received: from ipmail05.adl6.internode.on.net (ipmail05.adl6.internode.on.net [150.101.137.143]) by cuda.sgi.com with ESMTP id CfZQ0jHRSjglvx0v for ; Tue, 22 Apr 2014 15:04:41 -0700 (PDT) X-Barracuda-Envelope-From: dave@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.143 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AoxxAGHmVlN5LEcvPGdsb2JhbABZgwaIbqJwmnwXAwEBAQE4NYMCO4ECAweIbZ0RsTiOc4QiBK0BggQr Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail05.adl6.internode.on.net with ESMTP; 23 Apr 2014 07:34:40 +0930 Received: from disappointment.disaster.area ([192.168.1.110] helo=disappointment) by dastard with esmtp (Exim 4.80) (envelope-from ) id 1Wcinv-0002PH-BG for xfs@oss.sgi.com; Wed, 23 Apr 2014 08:04:39 +1000 Received: from dave by disappointment with local (Exim 4.82) (envelope-from ) id 1Wcinv-0000nu-AE for xfs@oss.sgi.com; Wed, 23 Apr 2014 08:04:39 +1000 From: Dave Chinner To: xfs@oss.sgi.com Subject: [PATCH 0/6] xfstests: fixes and new tests Date: Wed, 23 Apr 2014 08:04:28 +1000 X-ASG-Orig-Subj: [PATCH 0/6] xfstests: fixes and new tests Message-Id: <1398204274-2113-1-git-send-email-david@fromorbit.com> X-Mailer: git-send-email 1.9.0 X-Barracuda-Connect: ipmail05.adl6.internode.on.net[150.101.137.143] X-Barracuda-Start-Time: 1398204280 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5165 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- Hi folks, In this series, there are a some cleanup patches related to running small TEST_DEV filesystems out of space on repeated runs. There are some tests that leave large files lying around that consume space, so when you have a 4GB TEST_DEV soem of the tests will fail because they need 3GB of free space. There is a new test for maximum ACL count support in XFS - I've removed the ACL count subtest from shared/051 and created a new XFS specific test that uses the maximum supported number of ACLs for the given filesystem configuration rather than 25. This new test is what exposed the transaction overrun when replacing a remote attribute with an inline attribute. There is also a patch to remove the DMAPI tests from the auto group - almost nobody has an XFS/DMAPI enabled kernel that can run these tests, so they can add "-g dmapi" to their tests runs rather than have everyone else have to run "-x dmapi" to avoid the "notrun" noise that is generated. Finally, there is a xfs_repair filter patch that chops out the new CRC/corruption detection messages that are emitted when verifiers detect problems. This makes xfs/030 and xfs/033 pass.... Cheers, Dave. From dave@fromorbit.com Tue Apr 22 17:04:46 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 3D83C7F3F for ; Tue, 22 Apr 2014 17:04:46 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 15ED6304032 for ; Tue, 22 Apr 2014 15:04:46 -0700 (PDT) X-ASG-Debug-ID: 1398204282-04cb6c243626aef0002-NocioJ Received: from ipmail05.adl6.internode.on.net (ipmail05.adl6.internode.on.net [150.101.137.143]) by cuda.sgi.com with ESMTP id GsqFHAsXDilcrBp8 for ; Tue, 22 Apr 2014 15:04:44 -0700 (PDT) X-Barracuda-Envelope-From: dave@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.143 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AphxAGHmVlN5LEcvPGdsb2JhbABZgwaIbqJwmnwXAwEBAQE4NYIlAQEFVjMIGDE5AwcUGYhAzjIXkxUElQKaAys Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail05.adl6.internode.on.net with ESMTP; 23 Apr 2014 07:34:40 +0930 Received: from disappointment.disaster.area ([192.168.1.110] helo=disappointment) by dastard with esmtp (Exim 4.80) (envelope-from ) id 1Wcinv-0002PJ-CE for xfs@oss.sgi.com; Wed, 23 Apr 2014 08:04:39 +1000 Received: from dave by disappointment with local (Exim 4.82) (envelope-from ) id 1Wcinv-0000o2-BY for xfs@oss.sgi.com; Wed, 23 Apr 2014 08:04:39 +1000 From: Dave Chinner To: xfs@oss.sgi.com Subject: [PATCH 2/6] shared/051: remove ACL count subtest Date: Wed, 23 Apr 2014 08:04:30 +1000 X-ASG-Orig-Subj: [PATCH 2/6] shared/051: remove ACL count subtest Message-Id: <1398204274-2113-3-git-send-email-david@fromorbit.com> X-Mailer: git-send-email 1.9.0 In-Reply-To: <1398204274-2113-1-git-send-email-david@fromorbit.com> References: <1398204274-2113-1-git-send-email-david@fromorbit.com> X-Barracuda-Connect: ipmail05.adl6.internode.on.net[150.101.137.143] X-Barracuda-Start-Time: 1398204283 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5164 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- From: Dave Chinner Different versions of XFS support different numbers of ACLs on disk. Remove that subtest from this shared test to prevent it form causing spurious failures on filesystems that support more than 25 ACLs. Signed-off-by: Dave Chinner --- tests/shared/051 | 45 ----------------- tests/shared/051.out | 135 --------------------------------------------------- 2 files changed, 180 deletions(-) diff --git a/tests/shared/051 b/tests/shared/051 index 39fdad4..2b61f45 100755 --- a/tests/shared/051 +++ b/tests/shared/051 @@ -318,51 +318,6 @@ chacl m:user1:rwx file1 chacl a::rwx file1 set +x -# we return E2BIG if hit the max acl limits on new kernel, but EINVAL -# on old kernel. So we need to filter out the error message in order -# to make the updated golden output works for both old and new kernels. -_filter_largeacl() -{ - sed -e "s/Invalid argument/Argument list too long/" -} - -#------------------------------------------------------- - -echo "" -echo "=== Test out large ACLs ===" -touch largeaclfile -XFS_ACL_MAX_ENTRIES=25 -num_aces_pre=`expr $XFS_ACL_MAX_ENTRIES - 1` -num_aces_post=`expr $XFS_ACL_MAX_ENTRIES + 1` - -acl1=`_create_n_aces $num_aces_pre` -acl2=`_create_n_aces $XFS_ACL_MAX_ENTRIES` -acl3=`_create_n_aces $num_aces_post` -acl4=`_create_n_aces 16` # Andreas G. libacl size for initial get -acl5=`_create_n_aces 17` # 1 over A.G. libacl initial size - -echo "1 below xfs acl max" -chacl $acl1 largeaclfile -getfacl --numeric largeaclfile | _filter_aces - -echo "xfs acl max" -chacl $acl2 largeaclfile -getfacl --numeric largeaclfile | _filter_aces - -echo "1 above xfs acl max" -chacl $acl3 largeaclfile 2>&1 | _filter_largeacl -getfacl --numeric largeaclfile | _filter_aces - -echo "use 16 aces" -chacl $acl4 largeaclfile -getfacl --numeric largeaclfile | _filter_aces - -echo "use 17 aces" -chacl $acl5 largeaclfile -getfacl --numeric largeaclfile | _filter_aces - -#------------------------------------------------------- - # success, all done status=0 exit diff --git a/tests/shared/051.out b/tests/shared/051.out index 354ec6a..2b5220f 100644 --- a/tests/shared/051.out +++ b/tests/shared/051.out @@ -218,138 +218,3 @@ chacl: m:user1:rwx - Invalid argument + chacl a::rwx file1 chacl: a::rwx - Invalid argument + set +x - -=== Test out large ACLs === -1 below xfs acl max -# file: largeaclfile -# owner: 0 -# group: 0 -user::rwx -user:1:rwx -user:2:rwx -user:3:rwx -user:4:rwx -user:5:rwx -user:6:rwx -user:7:rwx -user:8:rwx -user:9:rwx -user:10:rwx -user:11:rwx -user:12:rwx -user:13:rwx -user:14:rwx -user:15:rwx -user:16:rwx -user:17:rwx -user:18:rwx -user:19:rwx -user:20:rwx -group::rwx -mask::rwx -other::rwx - -xfs acl max -# file: largeaclfile -# owner: 0 -# group: 0 -user::rwx -user:1:rwx -user:2:rwx -user:3:rwx -user:4:rwx -user:5:rwx -user:6:rwx -user:7:rwx -user:8:rwx -user:9:rwx -user:10:rwx -user:11:rwx -user:12:rwx -user:13:rwx -user:14:rwx -user:15:rwx -user:16:rwx -user:17:rwx -user:18:rwx -user:19:rwx -user:20:rwx -user:21:rwx -group::rwx -mask::rwx -other::rwx - -1 above xfs acl max -chacl: cannot set access acl on "largeaclfile": Argument list too long -# file: largeaclfile -# owner: 0 -# group: 0 -user::rwx -user:1:rwx -user:2:rwx -user:3:rwx -user:4:rwx -user:5:rwx -user:6:rwx -user:7:rwx -user:8:rwx -user:9:rwx -user:10:rwx -user:11:rwx -user:12:rwx -user:13:rwx -user:14:rwx -user:15:rwx -user:16:rwx -user:17:rwx -user:18:rwx -user:19:rwx -user:20:rwx -user:21:rwx -group::rwx -mask::rwx -other::rwx - -use 16 aces -# file: largeaclfile -# owner: 0 -# group: 0 -user::rwx -user:1:rwx -user:2:rwx -user:3:rwx -user:4:rwx -user:5:rwx -user:6:rwx -user:7:rwx -user:8:rwx -user:9:rwx -user:10:rwx -user:11:rwx -user:12:rwx -group::rwx -mask::rwx -other::rwx - -use 17 aces -# file: largeaclfile -# owner: 0 -# group: 0 -user::rwx -user:1:rwx -user:2:rwx -user:3:rwx -user:4:rwx -user:5:rwx -user:6:rwx -user:7:rwx -user:8:rwx -user:9:rwx -user:10:rwx -user:11:rwx -user:12:rwx -user:13:rwx -group::rwx -mask::rwx -other::rwx - -- 1.9.0 From dave@fromorbit.com Tue Apr 22 17:04:46 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id E9EA87F52 for ; Tue, 22 Apr 2014 17:04:46 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id A3CBB304032 for ; Tue, 22 Apr 2014 15:04:46 -0700 (PDT) X-ASG-Debug-ID: 1398204280-04bdf0455427bbc0004-NocioJ Received: from ipmail05.adl6.internode.on.net (ipmail05.adl6.internode.on.net [150.101.137.143]) by cuda.sgi.com with ESMTP id THRy8OiSxsOLvVcY for ; Tue, 22 Apr 2014 15:04:44 -0700 (PDT) X-Barracuda-Envelope-From: dave@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.143 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: Ao5yAGHmVlN5LEcvPGdsb2JhbABZgwZPiB+iagaafBcDAQEBATg1giUBAQVWMwgYMTkDBxQZiEDOSYxagSUKhQwEjmuGF5oDK4Et Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail05.adl6.internode.on.net with ESMTP; 23 Apr 2014 07:34:40 +0930 Received: from disappointment.disaster.area ([192.168.1.110] helo=disappointment) by dastard with esmtp (Exim 4.80) (envelope-from ) id 1Wcinv-0002PK-Cx for xfs@oss.sgi.com; Wed, 23 Apr 2014 08:04:39 +1000 Received: from dave by disappointment with local (Exim 4.82) (envelope-from ) id 1Wcinv-0000o7-C1 for xfs@oss.sgi.com; Wed, 23 Apr 2014 08:04:39 +1000 From: Dave Chinner To: xfs@oss.sgi.com Subject: [PATCH 3/6] xfs: introduce new large ACL test Date: Wed, 23 Apr 2014 08:04:31 +1000 X-ASG-Orig-Subj: [PATCH 3/6] xfs: introduce new large ACL test Message-Id: <1398204274-2113-4-git-send-email-david@fromorbit.com> X-Mailer: git-send-email 1.9.0 In-Reply-To: <1398204274-2113-1-git-send-email-david@fromorbit.com> References: <1398204274-2113-1-git-send-email-david@fromorbit.com> X-Barracuda-Connect: ipmail05.adl6.internode.on.net[150.101.137.143] X-Barracuda-Start-Time: 1398204284 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=INFO_TLD X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5165 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 INFO_TLD URI: Contains an URL in the INFO top-level domain From: Dave Chinner Having just removed the largeacl test from the shared ACL test, reintroduce the same test as an XFS specific test so that we can handle the different limits in supported ACL count appropriately. Signed-off-by: Dave Chinner --- tests/xfs/010 | 147 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ tests/xfs/010.out | 9 ++++ tests/xfs/group | 1 + 3 files changed, 157 insertions(+) create mode 100644 tests/xfs/010 create mode 100644 tests/xfs/010.out diff --git a/tests/xfs/010 b/tests/xfs/010 new file mode 100644 index 0000000..4f75d26 --- /dev/null +++ b/tests/xfs/010 @@ -0,0 +1,147 @@ +#! /bin/bash +# FS QA Test No. xfs/010 +# +# Test out ACL count limits +# +#----------------------------------------------------------------------- +# Copyright (c) 2000-2002 Silicon Graphics, Inc. All Rights Reserved. +# Copyright (c) 2014 Red hat, Inc. All Rights Reserved. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it would be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write the Free Software Foundation, +# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +# +#----------------------------------------------------------------------- +# + +seq=`basename $0` +seqres=$RESULT_DIR/$seq + +here=`pwd` +tmp=/tmp/$$ +runas=$here/src/runas +status=1 # FAILure is the default! +trap "_cleanup; exit \$status" 0 1 2 3 15 + +# get standard environment, filters and checks +. ./common/rc +. ./common/filter +. ./common/attr + +_cleanup() +{ + cd / + rm -f $tmp.* + [ -n "$TEST_DIR" ] && rm -rf $TEST_DIR/$seq.dir1 +} + +# real QA test starts here +_supported_fs xfs +_supported_os Linux +_require_scratch + +[ -x $runas ] || _notrun "$runas executable not found" + +rm -f $seqres.full + +_need_to_be_root +_acl_setup_ids +_require_acls + +# get dir +cd $TEST_DIR +rm -rf $seq.dir1 +mkdir $seq.dir1 +cd $seq.dir1 + +echo "QA output created by $seq" + +# we return E2BIG if hit the max acl limits on new kernel, but EINVAL +# on old kernel. So we need to filter out the error message in order +# to make the updated golden output works for both old and new kernels. +_filter_largeacl() +{ + sed -e "s/Invalid argument/Argument list too long/" +} + +# filter all the non-ace stuff from the acl output so the count is +# correct. Note that this assumes that _create_n_aces always creates rwx acls. +_filter_acls() +{ + _filter_aces | grep ':rwx' +} + +# CRC format filesystems have much larger ACL counts. The actual number is into +# the thousands, but testing that meany takes too long, so just test well past +# the old limit of 25. +get_max_acls() +{ + xfs_info $TEST_DIR | _filter_mkfs > /dev/null 2> $tmp.info + . $tmp.info + if [ $_fs_has_crcs -eq 0 ]; then + echo 25 + else + echo 5461 + fi +} + +# store the output in seqres.full, then run again an count and filter the +# output. +check_acls() +{ + _acl=$1 + _count=$2 + + chacl $_acl largeaclfile 2>&1 | _filter_largeacl + getfacl --numeric largeaclfile | _filter_aces \ + >> $seqres.full 2> /dev/null + nacls=`getfacl --numeric largeaclfile | _filter_acls | wc -l` + if [ $nacls -ne $_count ]; then + echo Wrong ACL count - $nacls != $_count + fi +} + + +echo "" +echo "=== Test out large ACLs ===" +touch largeaclfile + +XFS_ACL_MAX_ENTRIES=$(get_max_acls) +num_aces_pre=$((XFS_ACL_MAX_ENTRIES - 1)) +num_aces_post=$((XFS_ACL_MAX_ENTRIES + 1)) + +acl1=`_create_n_aces $num_aces_pre` +acl2=`_create_n_aces $XFS_ACL_MAX_ENTRIES` +acl3=`_create_n_aces $num_aces_post` +acl4=`_create_n_aces 16` # Andreas G. libacl size for initial get +acl5=`_create_n_aces 17` # 1 over A.G. libacl initial size + +echo "1 below xfs acl max" +check_acls $acl1 $num_aces_pre + +echo "xfs acl max" +check_acls $acl2 $XFS_ACL_MAX_ENTRIES + +# we expect the ACL change to fail, so the old ACLs should remain on the +# file. Hence the expected ACL count is XFS_ACL_MAX_ENTRIES, not num_aces_post. +echo "1 above xfs acl max" +check_acls $acl3 $XFS_ACL_MAX_ENTRIES + +echo "use 16 aces" +check_acls $acl4 16 + +echo "use 17 aces" +check_acls $acl5 17 + +# success, all done +status=0 +exit diff --git a/tests/xfs/010.out b/tests/xfs/010.out new file mode 100644 index 0000000..5f7f428 --- /dev/null +++ b/tests/xfs/010.out @@ -0,0 +1,9 @@ +QA output created by 010 + +=== Test out large ACLs === +1 below xfs acl max +xfs acl max +1 above xfs acl max +chacl: cannot set access acl on "largeaclfile": Argument list too long +use 16 aces +use 17 aces diff --git a/tests/xfs/group b/tests/xfs/group index 445783e..f907d9b 100644 --- a/tests/xfs/group +++ b/tests/xfs/group @@ -7,6 +7,7 @@ 007 auto quota quick 008 rw ioctl auto quick 009 rw ioctl auto prealloc quick +010 acl quick auto 012 rw auto quick 016 rw auto quick 017 mount auto quick stress -- 1.9.0 From dave@fromorbit.com Tue Apr 22 17:04:48 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 3C6977F57 for ; Tue, 22 Apr 2014 17:04:47 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id 029218F8049 for ; Tue, 22 Apr 2014 15:04:43 -0700 (PDT) X-ASG-Debug-ID: 1398204280-04bdf0455427bbc0002-NocioJ Received: from ipmail05.adl6.internode.on.net (ipmail05.adl6.internode.on.net [150.101.137.143]) by cuda.sgi.com with ESMTP id IAEN1Y79KHWFoIEK for ; Tue, 22 Apr 2014 15:04:42 -0700 (PDT) X-Barracuda-Envelope-From: dave@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.143 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AphxAGHmVlN5LEcvPGdsb2JhbABZgwaIbqJwmnwXAwEBAQE4NYIlAQEFVjMIGDE5AwcUGYhAzkmOc4QiBK8FKw Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail05.adl6.internode.on.net with ESMTP; 23 Apr 2014 07:34:40 +0930 Received: from disappointment.disaster.area ([192.168.1.110] helo=disappointment) by dastard with esmtp (Exim 4.80) (envelope-from ) id 1Wcinv-0002PI-Bm for xfs@oss.sgi.com; Wed, 23 Apr 2014 08:04:39 +1000 Received: from dave by disappointment with local (Exim 4.82) (envelope-from ) id 1Wcinv-0000nx-B4 for xfs@oss.sgi.com; Wed, 23 Apr 2014 08:04:39 +1000 From: Dave Chinner To: xfs@oss.sgi.com Subject: [PATCH 1/6] generic/204: tweak reserve pool size Date: Wed, 23 Apr 2014 08:04:29 +1000 X-ASG-Orig-Subj: [PATCH 1/6] generic/204: tweak reserve pool size Message-Id: <1398204274-2113-2-git-send-email-david@fromorbit.com> X-Mailer: git-send-email 1.9.0 In-Reply-To: <1398204274-2113-1-git-send-email-david@fromorbit.com> References: <1398204274-2113-1-git-send-email-david@fromorbit.com> X-Barracuda-Connect: ipmail05.adl6.internode.on.net[150.101.137.143] X-Barracuda-Start-Time: 1398204281 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.60 X-Barracuda-Spam-Status: No, SCORE=0.60 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=MARKETING_SUBJECT X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5165 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.60 MARKETING_SUBJECT Subject contains popular marketing words From: Dave Chinner On small block size filesystems, the reserve pool size is kept constant at 4MB. filesystems with smaller blocks use comparitively more blocks for indexing metadata (e.g. in the inode and extent btrees) and so having a higher indirect block usage. Hence we need to leave the reserve pool at 1024 block and not scale it for a constant size. This makes the test pass on a filesystem made with MKFS_OPTIONS="-b size=1024 -m crc=1". Signed-off-by: Dave Chinner --- tests/generic/204 | 2 -- 1 file changed, 2 deletions(-) diff --git a/tests/generic/204 b/tests/generic/204 index 4ebab26..de029c6 100755 --- a/tests/generic/204 +++ b/tests/generic/204 @@ -74,7 +74,6 @@ space=97920000 # files = (97920000 / (isize + bsize)) files=$((space / (isize + dbsize))) -resv_blks=$((resv_blks * (4096 / dbsize))) echo files $files, resvblks $resv_blks >> $seqres.full _scratch_resvblks $resv_blks >> $seqres.full 2>&1 @@ -88,5 +87,4 @@ _check_scratch_fs # success, all done echo "*** done" -rm -f $seqres.full status=0 -- 1.9.0 From dave@fromorbit.com Tue Apr 22 17:04:49 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 421637F5D for ; Tue, 22 Apr 2014 17:04:49 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id C6B0EAC00E for ; Tue, 22 Apr 2014 15:04:45 -0700 (PDT) X-ASG-Debug-ID: 1398204283-04cbb06e9b26af40001-NocioJ Received: from ipmail05.adl6.internode.on.net (ipmail05.adl6.internode.on.net [150.101.137.143]) by cuda.sgi.com with ESMTP id HFVRRcF0LhF4vn2v for ; Tue, 22 Apr 2014 15:04:44 -0700 (PDT) X-Barracuda-Envelope-From: dave@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.143 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AphxAGHmVlN5LEcvPGdsb2JhbABZgwaIbqJwmnwXAwEBAQE4NYIlAQEFVjMIGDE5AwcUGYhAzkmOc4QiBK8FKw Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail05.adl6.internode.on.net with ESMTP; 23 Apr 2014 07:34:40 +0930 Received: from disappointment.disaster.area ([192.168.1.110] helo=disappointment) by dastard with esmtp (Exim 4.80) (envelope-from ) id 1Wcinv-0002PM-E9 for xfs@oss.sgi.com; Wed, 23 Apr 2014 08:04:39 +1000 Received: from dave by disappointment with local (Exim 4.82) (envelope-from ) id 1Wcinv-0000oH-D5 for xfs@oss.sgi.com; Wed, 23 Apr 2014 08:04:39 +1000 From: Dave Chinner To: xfs@oss.sgi.com Subject: [PATCH 5/6] xfs: remove dmapi tests from the auto group Date: Wed, 23 Apr 2014 08:04:33 +1000 X-ASG-Orig-Subj: [PATCH 5/6] xfs: remove dmapi tests from the auto group Message-Id: <1398204274-2113-6-git-send-email-david@fromorbit.com> X-Mailer: git-send-email 1.9.0 In-Reply-To: <1398204274-2113-1-git-send-email-david@fromorbit.com> References: <1398204274-2113-1-git-send-email-david@fromorbit.com> X-Barracuda-Connect: ipmail05.adl6.internode.on.net[150.101.137.143] X-Barracuda-Start-Time: 1398204283 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5165 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- From: Dave Chinner There is no mainline kernel support for DMAPI in XFS, and so every time the xfstests auto group is run it throws a large number of "[not run] Assuming DMAPI modules are not loaded". I've noted that people are excluding the dmapi group to avoid this, so rather than inflict pain on everyone, make hose few that need to do dmapi testing include it specifically. IOWs, remove the DMAPI tests from the auto group. Signed-off-by: Dave Chinner --- tests/xfs/group | 50 +++++++++++++++++++++++++------------------------- 1 file changed, 25 insertions(+), 25 deletions(-) diff --git a/tests/xfs/group b/tests/xfs/group index f907d9b..426dd58 100644 --- a/tests/xfs/group +++ b/tests/xfs/group @@ -93,48 +93,48 @@ 138 metadata log auto 139 metadata log auto 140 metadata log auto -142 dmapi auto -143 dmapi auto -144 dmapi auto -145 dmapi auto -146 dmapi auto -147 dmapi auto +142 dmapi +143 dmapi +144 dmapi +145 dmapi +146 dmapi +147 dmapi 148 repair auto 149 repair auto -150 dmapi auto -151 dmapi auto -152 dmapi auto -153 dmapi auto -154 dmapi auto -155 dmapi auto -156 dmapi auto -157 dmapi auto -158 dmapi auto -159 dmapi auto -160 dmapi auto -161 dmapi auto -162 dmapi auto -163 dmapi auto +150 dmapi +151 dmapi +152 dmapi +153 dmapi +154 dmapi +155 dmapi +156 dmapi +157 dmapi +158 dmapi +159 dmapi +160 dmapi +161 dmapi +162 dmapi +163 dmapi 164 rw pattern auto prealloc quick 165 rw pattern auto prealloc quick 166 rw metadata auto quick 167 rw metadata auto stress -168 dmapi auto +168 dmapi 170 rw filestreams auto quick 171 rw filestreams 172 rw filestreams 173 rw filestreams 174 rw filestreams auto -175 dmapi auto -176 dmapi auto -177 rw other auto +175 dmapi +176 dmapi +177 dmapi 178 mkfs other auto 179 metadata rw auto 180 metadata rw auto 181 log auto quick 182 metadata rw auto 183 rw other auto quick -185 dmapi auto +185 dmapi 186 attr auto quick 187 attr auto quick 188 ci dir auto -- 1.9.0 From dgc@oss.sgi.com Tue Apr 22 17:29:17 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=-0.0 required=5.0 tests=NO_RELAYS autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: by oss.sgi.com (Postfix, from userid 10266) id 53BF17F4E; Tue, 22 Apr 2014 17:29:17 -0500 (CDT) From: xfs@oss.sgi.com To: xfs@oss.sgi.com Subject: [XFS updates] XFS development tree branch, xfs-unused-args-cleanup, created. xfs-for-linus-3.15-rc1-14846-g5e06d14 X-Git-Refname: refs/heads/xfs-unused-args-cleanup X-Git-Reftype: branch X-Git-Oldrev: 0000000000000000000000000000000000000000 X-Git-Newrev: 5e06d148949bb79af429c46afb4b81bc31308f6e Message-Id: <20140422222917.53BF17F4E@oss.sgi.com> Date: Tue, 22 Apr 2014 17:29:16 -0500 (CDT) This is an automated email from the git hooks/post-receive script. It was generated because a ref change was pushed to the repository containing the project "XFS development tree". The branch, xfs-unused-args-cleanup has been created at 5e06d148949bb79af429c46afb4b81bc31308f6e (commit) - Log ----------------------------------------------------------------- commit 5e06d148949bb79af429c46afb4b81bc31308f6e Author: Eric Sandeen Date: Mon Apr 14 19:07:23 2014 +1000 xfs: remove unused calculation in xfs_dir2_sf_addname() The "add_entsize" calculated here is never used. "incr_isize" accounts for the inode expansion of the old entries + parent + new entry all by itself. Once we've removed add_entsize there, it's just a pointless intermediate variable elsewhere, so remove it. For that matter, old_isize is gratuitous too, so nuke that. And add a few comments so the magic "+1's" and "+2's" make a bit more sense. Signed-off-by: Eric Sandeen Reviewed-by: Dave Chinner Signed-off-by: Dave Chinner commit e5e98bc64df122c3c0fb562c53dac5c5dfc64975 Author: Eric Sandeen Date: Mon Apr 14 19:06:46 2014 +1000 xfs: remove pointless pointer increment in xfs_dir2_block_compact() xfs_dir2_block_compact() is passed a pointer to *blp, and advances it locally - but nobody uses the pointer (locally) after that. This behavior came about as part of prior refactoring, 20f7e9f xfs: factor dir2 block read operations and looking at the code as it was before, it seems quite clear that this change introduced a bug; the pre-refactoring code expects blp to be modified after compaction. And indeed it did; see this commit which fixed it: 37f1356 xfs: recalculate leaf entry pointer after compacting a dir2 block So the bug was introduced & resolved in the 3.8 cycle. Whoops. Well, it's fixed now, and mystery solved; just remove the now-pointless local increment of the blp pointer. (I guess we should have run clang earlier!) Signed-off-by: Eric Sandeen Reviewed-by: Dave Chinner Signed-off-by: Dave Chinner commit bbe4c668694cb22a6016d3845c9b362c44e8341f Author: Eric Sandeen Date: Mon Apr 14 19:06:25 2014 +1000 xfs: remove unused trans pointer arg from xlog_recover_unmount_trans() Signed-off-by: Eric Sandeen Reviewed-by: Dave Chinner Signed-off-by: Dave Chinner commit e4a1e29cb0ace3a322c5c07d33dd1f4ab50dbbb8 Author: Eric Sandeen Date: Mon Apr 14 19:06:05 2014 +1000 xfs: remove unused ail pointer arg from xfs_trans_ail_cursor_done() Signed-off-by: Eric Sandeen Reviewed-by: Dave Chinner Signed-off-by: Dave Chinner commit bda65ef8a8ab8944628b7ff1182902612efd8bc3 Author: Eric Sandeen Date: Mon Apr 14 19:05:43 2014 +1000 xfs: remove unused xfs_mount arg from xfs_symlink_hdr_ok() Signed-off-by: Eric Sandeen Reviewed-by: Dave Chinner Signed-off-by: Dave Chinner commit fd9fdba6c366f6a1606572e46eebf770462ff484 Author: Eric Sandeen Date: Mon Apr 14 19:04:46 2014 +1000 xfs: remove unused bp arg from xfs_iflush_fork() Signed-off-by: Eric Sandeen Reviewed-by: Dave Chinner Signed-off-by: Dave Chinner commit e009400870c16c2003b2183b2daa9f1e80ff516b Author: Eric Sandeen Date: Mon Apr 14 19:04:19 2014 +1000 xfs: remove unused pag ptr arg from iterator execute functions Signed-off-by: Eric Sandeen Reviewed-by: Dave Chinner Signed-off-by: Dave Chinner commit 6f8950cd731432508859ef0c054b026270095b2e Author: Eric Sandeen Date: Mon Apr 14 19:03:53 2014 +1000 xfs: remove unused length arg from alloc_block ops Signed-off-by: Eric Sandeen Reviewed-by: Dave Chinner Signed-off-by: Dave Chinner commit 6ea94bb5b30f14717e349f4e3ea4a6df03e1ee67 Author: Eric Sandeen Date: Mon Apr 14 19:03:34 2014 +1000 xfs: remove unused mp arg from xfs_calc_dquots_per_chunk() Signed-off-by: Eric Sandeen Reviewed-by: Dave Chinner Signed-off-by: Dave Chinner commit 25994053745be958aa8455a753a5c965a9006ba4 Author: Eric Sandeen Date: Mon Apr 14 19:02:30 2014 +1000 xfs: remove unused mp arg from xfs_dir2 dataptr/byte functions Signed-off-by: Eric Sandeen Reviewed-by: Dave Chinner Signed-off-by: Dave Chinner commit 9df2dd0b0d2aad3ce2480e0618bfe14d37c017a3 Author: Eric Sandeen Date: Mon Apr 14 19:01:59 2014 +1000 xfs: remove unused tp arg from xfs_da_reada_buf & callers This one hits a few functions as we unravel the unused arg up through the callers. Signed-off-by: Eric Sandeen Reviewed-by: Dave Chinner Signed-off-by: Dave Chinner commit 72b0636bb7aca50978da60dfbaefc44020e1600e Author: Eric Sandeen Date: Mon Apr 14 19:01:34 2014 +1000 xfs: remove unused bip arg from xfs_buf_item_log_segment() Signed-off-by: Eric Sandeen Reviewed-by: Dave Chinner Signed-off-by: Dave Chinner commit 87937bf8cae495d4eafdae226e0726c25c3ff9f9 Author: Eric Sandeen Date: Mon Apr 14 19:01:20 2014 +1000 xfs: remove unused flags arg from _xfs_buf_get_pages() Signed-off-by: Eric Sandeen Reviewed-by: Dave Chinner Signed-off-by: Dave Chinner commit 34dcefd717dea161182c18e2622cd9bed4bb4835 Author: Eric Sandeen Date: Mon Apr 14 19:01:00 2014 +1000 xfs: remove unused args from xfs_alloc_buftarg() Signed-off-by: Eric Sandeen Reviewed-by: Dave Chinner Signed-off-by: Dave Chinner commit a96c41519ac95bd7e8c798d235d6c98ca846090a Author: Eric Sandeen Date: Mon Apr 14 19:00:29 2014 +1000 xfs: remove unused blocksize arg from xfs_setsize_buftarg() Signed-off-by: Eric Sandeen Reviewed-by: Dave Chinner Signed-off-by: Dave Chinner commit 0d7409b142472dda73939add752e0815900b3df9 Author: Eric Sandeen Date: Mon Apr 14 18:59:56 2014 +1000 xfs: remove unused level arg from xfs_btree_read_buf_block() Signed-off-by: Eric Sandeen Reviewed-by: Dave Chinner Signed-off-by: Dave Chinner commit 6a9edd3d548f074c484802134e719390d9585ed6 Author: Eric Sandeen Date: Mon Apr 14 18:59:26 2014 +1000 xfs: remove unused mp arg from xfs_bmap_forkoff_reset() Signed-off-by: Eric Sandeen Reviewed-by: Dave Chinner Signed-off-by: Dave Chinner commit 152d93b732d4d15a10db03b660b07ed5c44b4e0d Author: Eric Sandeen Date: Mon Apr 14 18:58:51 2014 +1000 xfs: remove unused mp arg from xfs_bmdr_maxrecs() Signed-off-by: Eric Sandeen Reviewed-by: Dave Chinner Signed-off-by: Dave Chinner commit 6d0081a3da32c9a9e480ae2796588508347bdb9e Author: Eric Sandeen Date: Mon Apr 14 18:58:29 2014 +1000 xfs: remove unused mp arg from xfs_attr3_rmt_hdr_ok() Signed-off-by: Eric Sandeen Reviewed-by: Dave Chinner Signed-off-by: Dave Chinner commit 7fb2cd4d32fed48d5fd88e0e922f162c182f5f8c Author: Eric Sandeen Date: Mon Apr 14 18:58:05 2014 +1000 xfs: remove unused tp arg from xfs_bmap_last_offset() and callers remove unused transaction pointer from various callchains leading to xfs_bmap_last_offset(). Signed-off-by: Eric Sandeen Reviewed-by: Dave Chinner Signed-off-by: Dave Chinner ----------------------------------------------------------------------- hooks/post-receive -- XFS development tree From dgc@oss.sgi.com Tue Apr 22 17:29:35 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=-0.0 required=5.0 tests=NO_RELAYS autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: by oss.sgi.com (Postfix, from userid 10266) id B180B7F52; Tue, 22 Apr 2014 17:29:35 -0500 (CDT) From: xfs@oss.sgi.com To: xfs@oss.sgi.com Subject: [XFS updates] XFS development tree branch, xfs-filestreams-lookup, created. xfs-for-linus-3.15-rc1-14835-gb94acd4 X-Git-Refname: refs/heads/xfs-filestreams-lookup X-Git-Reftype: branch X-Git-Oldrev: 0000000000000000000000000000000000000000 X-Git-Newrev: b94acd4786dce4379e986e6d58bdd74f8986af2f Message-Id: <20140422222935.B180B7F52@oss.sgi.com> Date: Tue, 22 Apr 2014 17:29:35 -0500 (CDT) This is an automated email from the git hooks/post-receive script. It was generated because a ref change was pushed to the repository containing the project "XFS development tree". The branch, xfs-filestreams-lookup has been created at b94acd4786dce4379e986e6d58bdd74f8986af2f (commit) - Log ----------------------------------------------------------------- commit b94acd4786dce4379e986e6d58bdd74f8986af2f Author: Christoph Hellwig Date: Wed Apr 23 07:11:52 2014 +1000 xfs: add filestream allocator tracepoints Signed-off-by: Christoph Hellwig Reviewed-by: Dave Chinner Signed-off-by: Dave Chinner commit 3b8d90766a85e079fefaee74ca9dde43ce75edea Author: Christoph Hellwig Date: Wed Apr 23 07:11:52 2014 +1000 xfs: remove xfs_filestream_associate There is no good reason to create a filestream when a directory entry is created. Delay it until the first allocation happens to simply the code and reduce the amount of mru cache lookups we do. Signed-off-by: Christoph Hellwig Reviewed-by: Dave Chinner Signed-off-by: Dave Chinner commit 1919adda0732e661c6163a6505dddb0bc423b8d8 Author: Christoph Hellwig Date: Wed Apr 23 07:11:51 2014 +1000 xfs: don't create a slab cache for filestream items We only have very few of these around, and allocation isn't that much of a hot path. Remove the slab cache to simplify the code, and to not waste any resources for the usual case of not having any inodes that use the filestream allocator. Signed-off-by: Christoph Hellwig Reviewed-by: Dave Chinner Signed-off-by: Dave Chinner commit 2cd2ef6a300b1ac912bb515b75451585c3d33ea9 Author: Christoph Hellwig Date: Wed Apr 23 07:11:51 2014 +1000 xfs: rewrite the filestream allocator using the dentry cache In Linux we will always be able to find a parent inode for file that are undergoing I/O. Use this to simply the file stream allocator by only keeping track of parent inodes. Signed-off-by: Christoph Hellwig commit f37211c336d722805493aec8b13afdbb92bbfd98 Author: Christoph Hellwig Date: Wed Apr 23 07:11:51 2014 +1000 xfs: remove XFS_IFILESTREAM We never test the flag except in xfs_inode_is_filestream, but that function already tests the on-disk flag or filesystem wide flags, and is used to decide if we want to set XFS_IFILESTREAM in the first place. Signed-off-by: Christoph Hellwig Reviewed-by: Dave Chinner Signed-off-by: Dave Chinner commit 22328d712dd7fdc984d17da2121be840d1f844cd Author: Christoph Hellwig Date: Wed Apr 23 07:11:51 2014 +1000 xfs: embedd mru_elem into parent structure There is no need to do a separate allocation for each mru element, just embedd the structure into the parent one in the user. Besides saving a memory allocation and the infrastructure required for it this also simplifies the API. While we do major surgery on xfs_mru_cache.c also de-typedef it and make struct mru_cache private to the implementation file. Signed-off-by: Christoph Hellwig Reviewed-by: Dave Chinner Signed-off-by: Dave Chinner commit ce695c6551f9488e75247ac1eefcd173fda0c029 Author: Christoph Hellwig Date: Wed Apr 23 07:11:50 2014 +1000 xfs: handle duplicate entries in xfs_mru_cache_insert The radix tree code can detect and reject duplicate keys at insert time. Make xfs_mru_cache_insert handle this case so that future changes to the filestream allocator can take advantage of this. Signed-off-by: Christoph Hellwig Reviewed-by: Dave Chinner Signed-off-by: Dave Chinner commit c977eb1065612bf64e18c61437e290c22183add8 Author: Christoph Hellwig Date: Wed Apr 23 07:11:41 2014 +1000 xfs: split xfs_bmap_btalloc_nullfb Split xfs_bmap_btalloc_nullfb into one function for filestream allocations and one for everything else that share a few helpers. This dramatically simplifies the control flow. Signed-off-by: Christoph Hellwig commit 8b90a33f476436ad6a49b7138d8a00ecbc62f9a6 Author: Christoph Hellwig Date: Mon Apr 14 19:37:42 2014 +1000 xfs: don't try to use the filestream allocator for metadata allocations xfs_bmap_btalloc_nullfb has two entirely different control flows when using the filestream allocator vs the regular one, but it get the conditionals wrong and ends up mixing the two for metadata allocations. Fix this by adding a missing userdata check and slight refactoring. Signed-off-by: Christoph Hellwig Reviewed-by: Dave Chinner Signed-off-by: Dave Chinner ----------------------------------------------------------------------- hooks/post-receive -- XFS development tree From dgc@oss.sgi.com Tue Apr 22 17:30:50 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=-0.0 required=5.0 tests=NO_RELAYS autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: by oss.sgi.com (Postfix, from userid 10266) id B50D67F51; Tue, 22 Apr 2014 17:30:50 -0500 (CDT) From: xfs@oss.sgi.com To: xfs@oss.sgi.com Subject: [XFS updates] XFS development tree branch, for-next, updated. xfs-for-linus-3.15-rc2-31-g7043507 X-Git-Refname: refs/heads/for-next X-Git-Reftype: branch X-Git-Oldrev: 330033d697ed8d296fa52b5303db9d802ad901cc X-Git-Newrev: 7043507bfa1af648512e36d95cca484757df0b64 Message-Id: <20140422223050.B50D67F51@oss.sgi.com> Date: Tue, 22 Apr 2014 17:30:50 -0500 (CDT) This is an automated email from the git hooks/post-receive script. It was generated because a ref change was pushed to the repository containing the project "XFS development tree". The branch, for-next has been updated 7043507 Merge branch 'xfs-filestreams-lookup' into for-next b94acd4 xfs: add filestream allocator tracepoints 3b8d907 xfs: remove xfs_filestream_associate 1919add xfs: don't create a slab cache for filestream items 2cd2ef6 xfs: rewrite the filestream allocator using the dentry cache f37211c xfs: remove XFS_IFILESTREAM 22328d7 xfs: embedd mru_elem into parent structure ce695c6 xfs: handle duplicate entries in xfs_mru_cache_insert c977eb1 xfs: split xfs_bmap_btalloc_nullfb c24c775 Merge branch 'xfs-unused-args-cleanup' into for-next 8b90a33 xfs: don't try to use the filestream allocator for metadata allocations 5e06d14 xfs: remove unused calculation in xfs_dir2_sf_addname() e5e98bc xfs: remove pointless pointer increment in xfs_dir2_block_compact() bbe4c66 xfs: remove unused trans pointer arg from xlog_recover_unmount_trans() e4a1e29 xfs: remove unused ail pointer arg from xfs_trans_ail_cursor_done() bda65ef xfs: remove unused xfs_mount arg from xfs_symlink_hdr_ok() fd9fdba xfs: remove unused bp arg from xfs_iflush_fork() e009400 xfs: remove unused pag ptr arg from iterator execute functions 6f8950c xfs: remove unused length arg from alloc_block ops 6ea94bb xfs: remove unused mp arg from xfs_calc_dquots_per_chunk() 2599405 xfs: remove unused mp arg from xfs_dir2 dataptr/byte functions 9df2dd0 xfs: remove unused tp arg from xfs_da_reada_buf & callers 72b0636 xfs: remove unused bip arg from xfs_buf_item_log_segment() 87937bf xfs: remove unused flags arg from _xfs_buf_get_pages() 34dcefd xfs: remove unused args from xfs_alloc_buftarg() a96c415 xfs: remove unused blocksize arg from xfs_setsize_buftarg() 0d7409b xfs: remove unused level arg from xfs_btree_read_buf_block() 6a9edd3 xfs: remove unused mp arg from xfs_bmap_forkoff_reset() 152d93b xfs: remove unused mp arg from xfs_bmdr_maxrecs() 6d0081a xfs: remove unused mp arg from xfs_attr3_rmt_hdr_ok() 7fb2cd4 xfs: remove unused tp arg from xfs_bmap_last_offset() and callers from 330033d697ed8d296fa52b5303db9d802ad901cc (commit) Those revisions listed above that are new to this repository have not appeared on any other notification email; so we list those revisions in full, below. - Log ----------------------------------------------------------------- commit 7043507bfa1af648512e36d95cca484757df0b64 Merge: c24c775 b94acd4 Author: Dave Chinner Date: Wed Apr 23 07:12:35 2014 +1000 Merge branch 'xfs-filestreams-lookup' into for-next commit c24c775c5e3657d329ede70f744ba075095bb53d Merge: 330033d 5e06d14 Author: Dave Chinner Date: Tue Apr 22 19:21:42 2014 +1000 Merge branch 'xfs-unused-args-cleanup' into for-next ----------------------------------------------------------------------- Summary of changes: fs/xfs/xfs_alloc_btree.c | 1 - fs/xfs/xfs_attr_remote.c | 3 +- fs/xfs/xfs_bmap.c | 208 ++++++++------ fs/xfs/xfs_bmap.h | 4 +- fs/xfs/xfs_bmap_btree.c | 9 +- fs/xfs/xfs_bmap_btree.h | 2 +- fs/xfs/xfs_btree.c | 38 ++- fs/xfs/xfs_btree.h | 2 +- fs/xfs/xfs_buf.c | 17 +- fs/xfs/xfs_buf.h | 4 +- fs/xfs/xfs_buf_item.c | 3 +- fs/xfs/xfs_da_btree.c | 8 +- fs/xfs/xfs_da_btree.h | 6 +- fs/xfs/xfs_da_format.h | 10 +- fs/xfs/xfs_dir2.c | 26 +- fs/xfs/xfs_dir2.h | 4 +- fs/xfs/xfs_dir2_block.c | 9 +- fs/xfs/xfs_dir2_data.c | 3 +- fs/xfs/xfs_dir2_leaf.c | 2 +- fs/xfs/xfs_dir2_node.c | 2 +- fs/xfs/xfs_dir2_priv.h | 4 +- fs/xfs/xfs_dir2_readdir.c | 14 +- fs/xfs/xfs_dir2_sf.c | 21 +- fs/xfs/xfs_dquot_buf.c | 5 +- fs/xfs/xfs_file.c | 2 +- fs/xfs/xfs_filestream.c | 684 ++++++++++---------------------------------- fs/xfs/xfs_filestream.h | 34 +-- fs/xfs/xfs_ialloc_btree.c | 1 - fs/xfs/xfs_icache.c | 12 +- fs/xfs/xfs_icache.h | 6 +- fs/xfs/xfs_inode.c | 39 +-- fs/xfs/xfs_inode.h | 4 +- fs/xfs/xfs_inode_fork.c | 3 +- fs/xfs/xfs_inode_fork.h | 3 +- fs/xfs/xfs_iomap.c | 2 +- fs/xfs/xfs_log_recover.c | 9 +- fs/xfs/xfs_mru_cache.c | 151 ++++------ fs/xfs/xfs_mru_cache.h | 31 +- fs/xfs/xfs_qm.c | 3 +- fs/xfs/xfs_qm_syscalls.c | 1 - fs/xfs/xfs_quota_defs.h | 2 +- fs/xfs/xfs_shared.h | 2 +- fs/xfs/xfs_super.c | 22 +- fs/xfs/xfs_symlink.c | 2 +- fs/xfs/xfs_symlink_remote.c | 1 - fs/xfs/xfs_trace.c | 1 + fs/xfs/xfs_trace.h | 58 ++++ fs/xfs/xfs_trans.c | 2 +- fs/xfs/xfs_trans_ail.c | 5 +- fs/xfs/xfs_trans_priv.h | 3 +- 50 files changed, 516 insertions(+), 972 deletions(-) hooks/post-receive -- XFS development tree From keyurgovande@gmail.com Tue Apr 22 18:35:43 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=FREEMAIL_FROM,T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 04D3B7F3F for ; Tue, 22 Apr 2014 18:35:43 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id A88768F8040 for ; Tue, 22 Apr 2014 16:35:39 -0700 (PDT) X-ASG-Debug-ID: 1398209734-04bdf0455527dd30001-NocioJ Received: from mail-wi0-f169.google.com (mail-wi0-f169.google.com [209.85.212.169]) by cuda.sgi.com with ESMTP id b5waheKB8q33ryGs (version=TLSv1 cipher=RC4-SHA bits=128 verify=NO) for ; Tue, 22 Apr 2014 16:35:37 -0700 (PDT) X-Barracuda-Envelope-From: keyurgovande@gmail.com X-Barracuda-Apparent-Source-IP: 209.85.212.169 X-Barracuda-IPDD: Level1 [gmail.com/209.85.212.169] Received: by mail-wi0-f169.google.com with SMTP id hm4so3794979wib.0 for ; Tue, 22 Apr 2014 16:35:34 -0700 (PDT) X-Barracuda-IPDD: Level1 [gmail.com/209.85.212.169] X-Barracuda-IPDD: Level1 [gmail.com/209.85.212.169] DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=B0vvi8rzCrNqcyTPz/k6myeLMaFs+EmaVZcsC3C7/V4=; b=Lm8dBU/c8bnp/krW2vSKD/Z4kkq7Q5+0nKVRDMDqdM0BfLdIHfgS1HHlhUdu34lBDv ZcrmUmXdjeaM4idK/4kzTdh4Dt/kOo1GzwGd7IgGriR9Xlm1a+/2lC2swdOcRt76Jn2R BIRHvhXsw8PQ3xm1sQL75jOiLpXvJpLRHoe9IJedDF6QLPD5ADqPzQTvNt7oarY72ppA CwvBNsaV8kECXpqKfio+LZ5+SmKWtDHXq7gD40/85E5GDNOGgzmMGbiwKhlxTOjhlOhM 0k28N0xKENaYCl2/YC7fhxCcI+OkjkCml6pKmFN07iXJQxfK/7ZQzazKL7vk3lUutA2V 1PRg== MIME-Version: 1.0 X-Received: by 10.180.78.5 with SMTP id x5mr570526wiw.12.1398209734368; Tue, 22 Apr 2014 16:35:34 -0700 (PDT) Received: by 10.227.97.136 with HTTP; Tue, 22 Apr 2014 16:35:34 -0700 (PDT) In-Reply-To: <20140408053117.GJ27017@dastard> References: <20140408015012.GB22917@dastard> <20140408053117.GJ27017@dastard> Date: Tue, 22 Apr 2014 19:35:34 -0400 Message-ID: Subject: Re: XFS fragmentation on file append From: Keyur Govande X-ASG-Orig-Subj: Re: XFS fragmentation on file append To: Dave Chinner Cc: linux-fsdevel@vger.kernel.org, xfs@oss.sgi.com Content-Type: text/plain; charset=UTF-8 X-Barracuda-Connect: mail-wi0-f169.google.com[209.85.212.169] X-Barracuda-Start-Time: 1398209736 X-Barracuda-Encrypted: RC4-SHA X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=DKIM_SIGNED, DKIM_VERIFIED X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5167 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- -0.00 DKIM_VERIFIED Domain Keys Identified Mail: signature passes verification 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature On Tue, Apr 8, 2014 at 1:31 AM, Dave Chinner wrote: > On Mon, Apr 07, 2014 at 11:42:02PM -0400, Keyur Govande wrote: >> On Mon, Apr 7, 2014 at 9:50 PM, Dave Chinner wrote: >> > [cc the XFS mailing list ] >> > >> > On Mon, Apr 07, 2014 at 06:53:46PM -0400, Keyur Govande wrote: >> >> Hello, >> >> >> >> I'm currently investigating a MySQL performance degradation on XFS due >> >> to file fragmentation. >> >> >> >> The box has a 16 drive RAID 10 array with a 1GB battery backed cache >> >> running on a 12 core box. >> >> >> >> xfs_info shows: >> >> meta-data=/dev/sda4 isize=256 agcount=24, agsize=24024992 blks >> >> = sectsz=512 attr=2, projid32bit=0 >> >> data = bsize=4096 blocks=576599552, imaxpct=5 >> >> = sunit=16 swidth=512 blks >> >> naming = version 2 bsize=4096 ascii-ci=0 >> >> log = internal bsize=4096 blocks=281552, version=2 >> >> = sectsz=512 sunit=16 blks, lazy-count=1 >> >> realtime = none extsz=4096 blocks=0, rtextents=0 >> >> >> >> The kernel version is: 3.14.0-1.el6.elrepo.x86_64 and the XFS >> >> partition is mounted with: rw,noatime,allocsize=128m,inode64,swalloc. >> >> The partition is 2TB in size and 40% full to simulate production. >> >> >> >> Here's a test program that appends 512KB like MySQL does (write and >> >> then fsync). To exacerbate the issue, it loops a bunch of times: >> >> https://gist.github.com/keyurdg/961c19175b81c73fdaa3 >> >> >> >> When run, this creates ~9500 extents most of length 1024. >> > >> > 1024 of what? Most likely it is 1024 basic blocks, which is 512KB, >> > the size of your writes. >> >> Yeah, 1024 basic blocks of 512 bytes each. >> >> > >> > Could you post the output of the xfs_bmap commands you are using to >> > get this information? >> >> I'm getting the extent information via xfs_bmap -v . Here's >> a sample: https://gist.github.com/keyurdg/291b2a429f03c9a649ad > > Yup, looks like fragmented free space so it's only finding islands > of 512kb of freespace near to the inode to allocate out of. > > Can you post the output of /proc/mounts so I can check what the > allocator behaviour is being used? > >> >> cat'ing the >> >> file to /dev/null after dropping the caches reads at an average of 75 >> >> MBps, way less than the hardware is capable of. >> > >> > What you are doing is "open-seekend-write-fsync-close". You haven't >> > told the filesystem you are doing append writes (O_APPEND, or the >> > append inode flag) so it can't optimise for them. >> >> I tried this; adding O_APPEND the the open() in the pathological >> pwrite.c makes no difference to the extent allocation and hence the >> read performance. > > Yeah, I had a look at what XFS does and in the close path it doesn't > know that the FD was O_APPEND because that state is available to the > ->release path. > >> > You are also cleaning the file before closing it, so you are >> > defeating the current heuristics that XFS uses to determine whether >> > to remove speculative preallocation on close() - if the inode is >> > dirty at close(), then it won't be removed. Hence speculative >> > preallocation does nothing for your IO pattern (i.e. the allocsize >> > mount option is completely useless). Remove the fsync and you'll >> > see your fragmentation problem go away completely. >> >> I agree, but the MySQL data files (*.ibd) on our production cluster >> are appended to in bursts and they have thousands of tiny (512KB) >> extents. Getting rid of fsync is not possible given the use case. > > Sure - just demonstrating that it's the fsync that is causing the > problems. i.e. it's application driven behaviour that the filesystem > can't easily detect and optimise... > >> Arguably, MySQL does not close the files, but it writes out >> infrequently enough that I couldn't make a good and small test case >> for it. But the output of xfs_bmap is exactly the same as that of >> pwrite.c > > Once you've fragmented free space, the only way to defrag it is to > remove whatever is using the space between the small freespace > extents. Usually the condition occurs when you intermix long lived > files with short lived files - removing the short lived files > results in fragmented free space that cannot be made contiguous > until both the short lived and long lived data has been removed. > > If you want an idea of whether you've fragmented free space, use > the xfs_db freespace command. To see what each ag looks like > (change it to iterate all the ags in your fs): > > $ for i in 0 1 2 3; do echo "*** AG $i:" ; sudo xfs_db -c "freesp -a $i -s" /dev/vda; done > *** AG 0: > from to extents blocks pct > 1 1 129 129 0.02 > 2 3 119 283 0.05 > 4 7 125 641 0.11 > 8 15 93 944 0.16 > 16 31 64 1368 0.23 > 32 63 53 2300 0.39 > 64 127 21 1942 0.33 > 128 255 16 3145 0.53 > 256 511 6 1678 0.28 > 512 1023 1 680 0.11 > 16384 32767 1 23032 3.87 > 524288 1048576 1 558825 93.93 > total free extents 629 > total free blocks 594967 > average free extent size 945.893 > *** AG 1: > from to extents blocks pct > 1 1 123 123 0.01 > 2 3 125 305 0.04 > 4 7 79 418 0.05 > ...... > > And that will tell us what state your filesystem is in w.r.t. > freespace fragmentation... > >> >> When I add a posix_fallocate before calling pwrite() as shown here >> >> https://gist.github.com/keyurdg/eb504864d27ebfe7b40a the file >> >> fragments an order of magnitude less (~30 extents), and cat'ing to >> >> /dev/null proceeds at ~1GBps. >> > >> > That should make no difference on XFS as you are only preallocating >> > the 512KB region beyond EOF that you are about to write into and >> > hence both delayed allocation and preallocation have the same >> > allocation target (the current EOF block). Hence in both cases the >> > allocation patterns should be identical if the freespace extent they >> > are being allocated out of are identical. >> > >> > Did you remove the previous test files and sync the filesystem >> > between test runs so that the available freespace was identical for >> > the different test runs? If you didn't then the filesystem allocated >> > the files out of different free space extents and hence you'll get >> > different allocation patterns... >> >> I do clear everything and sync the FS before every run, and this is >> reproducible across multiple machines in our cluster. > > Which indicates that you've probably already completely fragmented > free space in the filesystems. > >> I've re-run the >> programs at least a 1000 times now, and every time get the same >> results. For some reason even the tiny 512KB fallocate() seems to be >> triggering some form of extent "merging" and placement. > > Both methods of allocation shoul dbe doing the same thing - they use > exactly the same algorithm to select the next extent to allocate. > Can you tell me the: > > a) inode number of each of the target files that show > different output > b) the xfs_bmap output of the different files. > >> > Alternatively, set an extent size hint on the log files to define >> > the minimum sized allocation (e.g. 32MB) and this will limit >> > fragmentation without you having to modify the MySQL code at all... >> > >> >> I tried enabling extsize to 32MB, but it seems to make no difference. >> [kgovande@host]# xfs_io -c "extsize" /var/lib/mysql/xfs/plain_pwrite.werr >> [33554432] /var/lib/mysql/xfs/plain_pwrite.werr >> [kgovande@host]# xfs_bmap -v /var/lib/mysql/xfs/*.werr | wc -l >> 20001 >> [kgovande@host]# sync; echo 3 > /proc/sys/vm/drop_caches; pv >> plain_pwrite.werr > /dev/null >> 9.77GB 0:02:41 [61.7MB/s] [========================================>] 100% > > Ah, extent size hints are not being considered in > xfs_can_free_eofblocks(). I suspect they should be, and that would > fix the problem. > > Can you add this to xfs_can_free_eofblocks() in your kernel and see > what happens? > > > /* prealloc/delalloc exists only on regular files */ > if (!S_ISREG(ip->i_d.di_mode)) > return false; > > + if (xfs_get_extsz_hint(ip)) > + return false; > + > /* > * Zero sized files with no cached pages and delalloc blocks will not > * have speculative prealloc/delalloc blocks to remove. > */ > > If that solves the problem, then I suspect that we might need to > modify this code to take into account the allocsize mount option as > well... > > Cheers, > > Dave. > -- > Dave Chinner > david@fromorbit.com Hey Dave, I spent some more time figuring out the MySQL write semantics and it doesn't open/close files often and initial test script was incorrect. It uses O_DIRECT and appends to the file; I modified my test binary to take this into account here: https://gist.github.com/keyurdg/54e0613e27dbe7946035 I've been testing on the 3.10 kernel. The set up is a empty 2 TB XFS partition. [root@dbtest09 linux-3.10.37]# xfs_info /dev/sda4 meta-data=/dev/sda4 isize=256 agcount=24, agsize=24024992 blks = sectsz=512 attr=2, projid32bit=0 data = bsize=4096 blocks=576599552, imaxpct=5 = sunit=16 swidth=512 blks naming =version 2 bsize=4096 ascii-ci=0 log =internal bsize=4096 blocks=281552, version=2 = sectsz=512 sunit=16 blks, lazy-count=1 realtime =none extsz=4096 blocks=0, rtextents=0 [root@dbtest09 linux-3.10.37]# cat /proc/mounts rootfs / rootfs rw 0 0 proc /proc proc rw,relatime 0 0 sysfs /sys sysfs rw,relatime 0 0 devtmpfs /dev devtmpfs rw,relatime,size=49573060k,nr_inodes=12393265,mode=755 0 0 devpts /dev/pts devpts rw,relatime,gid=5,mode=620,ptmxmode=000 0 0 tmpfs /dev/shm tmpfs rw,relatime 0 0 /dev/sda2 / ext3 rw,noatime,errors=continue,user_xattr,acl,barrier=1,data=ordered 0 0 /dev/sda1 /boot ext3 rw,relatime,errors=continue,user_xattr,acl,barrier=1,data=ordered 0 0 none /proc/sys/fs/binfmt_misc binfmt_misc rw,relatime 0 0 /dev/sda4 /var/lib/mysql xfs rw,noatime,swalloc,attr2,inode64,logbsize=64k,sunit=128,swidth=4096,noquota 0 0 [root@dbtest09 linux-3.10.37]# xfs_io -c "extsize " /var/lib/mysql/xfs/ [0] /var/lib/mysql/xfs/ Here's how the first 3 AG's look like: https://gist.github.com/keyurdg/82b955fb96b003930e4f After a run of the dpwrite program, here's how the bmap looks like: https://gist.github.com/keyurdg/11196897 The files have nicely interleaved with each other, mostly XFS_IEXT_BUFSZ size extents. The average read speed is 724 MBps. After defragmenting the file to 1 extent, the speed improves 30% to 1.09 GBps. I noticed that XFS chooses the AG based on the parent directory's AG and only the next sequential one if there's no space available. A small patch that chooses the AG randomly fixes the fragmentation issue very nicely. All of the MySQL data files are in a single directory and we see this in Production where a parent inode AG is filled, then the sequential next, and so on. diff --git a/fs/xfs/xfs_ialloc.c b/fs/xfs/xfs_ialloc.c index c8f5ae1..7841509 100644 --- a/fs/xfs/xfs_ialloc.c +++ b/fs/xfs/xfs_ialloc.c @@ -517,7 +517,7 @@ xfs_ialloc_ag_select( * to mean that blocks must be allocated for them, * if none are currently free. */ - agno = pagno; + agno = ((xfs_agnumber_t) prandom_u32()) % agcount; flags = XFS_ALLOC_FLAG_TRYLOCK; for (;;) { pag = xfs_perag_get(mp, agno); I couldn't find guidance on the internet on how many allocation groups to use for a 2 TB partition, but this random selection won't scale for many hundreds of concurrently written files, but for a few heavily writtent-to files it works nicely. I noticed that for non-DIRECT_IO + every write fsync'd, XFS would cleverly keep doubling the allocation block size as the file kept growing. The "extsize" option seems to me a bit too static because the size of tables we use varies widely and large new tables come and go. Could the same doubling logic be applied for DIRECT_IO writes as well? I tried out this extremely rough patch based on the delayed write code; if you think this is reasonable I can try to make it more acceptable. It provides very nice performance indeed, for a 2GB file, here's how the bmap looks like: https://gist.github.com/keyurdg/ac6ed8536f864c8fffc8 diff --git a/fs/xfs/xfs_iomap.c b/fs/xfs/xfs_iomap.c index 8f8aaee..2682f53 100644 --- a/fs/xfs/xfs_iomap.c +++ b/fs/xfs/xfs_iomap.c @@ -118,6 +118,16 @@ xfs_alert_fsblock_zero( return EFSCORRUPTED; } +STATIC int +xfs_iomap_eof_want_preallocate( + xfs_mount_t *mp, + xfs_inode_t *ip, + xfs_off_t offset, + size_t count, + xfs_bmbt_irec_t *imap, + int nimaps, + int *prealloc); + int xfs_iomap_write_direct( xfs_inode_t *ip, @@ -152,7 +162,32 @@ xfs_iomap_write_direct( offset_fsb = XFS_B_TO_FSBT(mp, offset); last_fsb = XFS_B_TO_FSB(mp, ((xfs_ufsize_t)(offset + count))); if ((offset + count) > XFS_ISIZE(ip)) { - error = xfs_iomap_eof_align_last_fsb(mp, ip, extsz, &last_fsb); + xfs_extlen_t new_extsz = extsz; + + if (!extsz) { + int prealloc; + xfs_bmbt_irec_t prealloc_imap[XFS_WRITE_IMAPS]; + + error = xfs_iomap_eof_want_preallocate(mp, ip, offset, count, + prealloc_imap, XFS_WRITE_IMAPS, &prealloc); + + if (prealloc) { + xfs_fileoff_t temp_start_fsb; + int temp_imaps = 1; + + temp_start_fsb = XFS_B_TO_FSB(mp, offset); + if (temp_start_fsb) + temp_start_fsb--; + + error = xfs_bmapi_read(ip, temp_start_fsb, 1, prealloc_imap, &temp_imaps, XFS_BMAPI_ENTIRE); + if (error) + return XFS_ERROR(error); + + new_extsz = prealloc_imap[0].br_blockcount << 1; + } + } + + error = xfs_iomap_eof_align_last_fsb(mp, ip, new_extsz, &last_fsb); if (error) return XFS_ERROR(error); } else { Cheers, Keyur. From david@fromorbit.com Tue Apr 22 18:46:37 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 6DBB47F3F for ; Tue, 22 Apr 2014 18:46:37 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id 4170F304032 for ; Tue, 22 Apr 2014 16:46:34 -0700 (PDT) X-ASG-Debug-ID: 1398210391-04bdf0455327e240001-NocioJ Received: from ipmail05.adl6.internode.on.net (ipmail05.adl6.internode.on.net [150.101.137.143]) by cuda.sgi.com with ESMTP id Omu147G3ENjE88p5 for ; Tue, 22 Apr 2014 16:46:32 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.143 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: ArBxAOP9VlN5LEcvPGdsb2JhbABZgwaIbqJ3mWeBEhcDAQEBATg1giUBAQUnCwEjIxAIAxUDCSUPBSUDBxoTiEDPOxcWjkAHhDgEmG+WFis Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail05.adl6.internode.on.net with ESMTP; 23 Apr 2014 09:16:30 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WckOS-0002ci-Pc; Wed, 23 Apr 2014 09:46:28 +1000 Date: Wed, 23 Apr 2014 09:46:28 +1000 From: Dave Chinner To: Jeff Liu Cc: xfs@oss.sgi.com Subject: Re: [PATCH] xfs: remote attribute overwrite causes transaction overrun Message-ID: <20140422234628.GN18672@dastard> X-ASG-Orig-Subj: Re: [PATCH] xfs: remote attribute overwrite causes transaction overrun References: <1398149949-11324-1-git-send-email-david@fromorbit.com> <535659F7.4060702@oracle.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <535659F7.4060702@oracle.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail05.adl6.internode.on.net[150.101.137.143] X-Barracuda-Start-Time: 1398210391 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5167 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Tue, Apr 22, 2014 at 08:00:55PM +0800, Jeff Liu wrote: > > On 04/22 2014 14:59 PM, Dave Chinner wrote: > > From: Dave Chinner > > > > Commit e461fcb ("xfs: remote attribute lookups require the value > > length") passes the remote attribute length in the xfs_da_args > > structure on lookup so that CRC calculations and validity checking > > can be performed correctly by related code. This, unfortunately has > > the side effect of changing the args->valuelen parameter in cases > > where it shouldn't. > > > > That is, when we replace a remote attribute, the incoming > > replacement stores the value and length in args->value and > > args->valuelen, but then the lookup which finds the existing remote > > attribute overwrites args->valuelen with the length of the remote > > attribute being replaced. Hence when we go to create the new > > attribute, we create it of the size of the existing remote > > attribute, not the size it is supposed to be. When the new attribute > > is much smaller than the old attribute, this results in a > > transaction overrun and an ASSERT() failure on a debug kernel: > > > > XFS: Assertion failed: tp->t_blk_res_used <= tp->t_blk_res, file: fs/xfs/xfs_trans.c, line: 331 > > > > Fix this by keeping the remote attribute value length separate to > > the attribute value length in the xfs_da_args structure. The enables > > us to pass the length of the remote attribute to be removed without > > overwriting the new attribute's length. > > > > Signed-off-by: Dave Chinner .... > > @@ -348,6 +348,11 @@ xfs_attr_rmtval_get( > > > > ASSERT(!(args->flags & ATTR_KERNOVAL)); > > > > + /* remote value might be different size to the buffer supplied. */ > > + if (args->rmtvaluelen = args->valuelen) > ^^^ > Here is a typo... Oh, well spotted. But, hold on a minute, shouldn't gcc be catching those sorts of typos? /me groans $ gcc t.c $ gcc -Wall t.c t.c: In function ¿main¿: t.c:10:2: warning: suggest parentheses around assignment used as truth value [-Wparentheses] if (foo = bar) ^ $ Only if -Wparentheses is specified. Why the hell are we suppressing useful warnings on the kernel build? Cheers, Dave. -- Dave Chinner david@fromorbit.com From david@fromorbit.com Tue Apr 22 19:00:46 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id A89917F3F for ; Tue, 22 Apr 2014 19:00:46 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id 750DB304043 for ; Tue, 22 Apr 2014 17:00:46 -0700 (PDT) X-ASG-Debug-ID: 1398211243-04bdf0455227e7f0001-NocioJ Received: from ipmail05.adl6.internode.on.net (ipmail05.adl6.internode.on.net [150.101.137.143]) by cuda.sgi.com with ESMTP id EtonF7RZIV5mx8Q1 for ; Tue, 22 Apr 2014 17:00:43 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.143 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: ArBxAGgBV1N5LEcvPGdsb2JhbABZgwaIbqJ3mWeBEhcDAQEBATg1giUBAQUnCwEjIxAIAxUDCSUPBSUDBxoTiEDPPRcWjkAHhDgEmG+WFis Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail05.adl6.internode.on.net with ESMTP; 23 Apr 2014 09:30:42 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WckcE-0002eu-4C; Wed, 23 Apr 2014 10:00:42 +1000 Date: Wed, 23 Apr 2014 10:00:42 +1000 From: Dave Chinner To: Jeff Liu Cc: xfs@oss.sgi.com Subject: Re: [PATCH] xfs: remote attribute overwrite causes transaction overrun Message-ID: <20140423000042.GO18672@dastard> X-ASG-Orig-Subj: Re: [PATCH] xfs: remote attribute overwrite causes transaction overrun References: <1398149949-11324-1-git-send-email-david@fromorbit.com> <535659F7.4060702@oracle.com> <20140422234628.GN18672@dastard> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20140422234628.GN18672@dastard> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail05.adl6.internode.on.net[150.101.137.143] X-Barracuda-Start-Time: 1398211243 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5167 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Wed, Apr 23, 2014 at 09:46:28AM +1000, Dave Chinner wrote: > On Tue, Apr 22, 2014 at 08:00:55PM +0800, Jeff Liu wrote: > > > > On 04/22 2014 14:59 PM, Dave Chinner wrote: > > > From: Dave Chinner > > > > > > Commit e461fcb ("xfs: remote attribute lookups require the value > > > length") passes the remote attribute length in the xfs_da_args > > > structure on lookup so that CRC calculations and validity checking > > > can be performed correctly by related code. This, unfortunately has > > > the side effect of changing the args->valuelen parameter in cases > > > where it shouldn't. > > > > > > That is, when we replace a remote attribute, the incoming > > > replacement stores the value and length in args->value and > > > args->valuelen, but then the lookup which finds the existing remote > > > attribute overwrites args->valuelen with the length of the remote > > > attribute being replaced. Hence when we go to create the new > > > attribute, we create it of the size of the existing remote > > > attribute, not the size it is supposed to be. When the new attribute > > > is much smaller than the old attribute, this results in a > > > transaction overrun and an ASSERT() failure on a debug kernel: > > > > > > XFS: Assertion failed: tp->t_blk_res_used <= tp->t_blk_res, file: fs/xfs/xfs_trans.c, line: 331 > > > > > > Fix this by keeping the remote attribute value length separate to > > > the attribute value length in the xfs_da_args structure. The enables > > > us to pass the length of the remote attribute to be removed without > > > overwriting the new attribute's length. > > > > > > Signed-off-by: Dave Chinner > .... > > > @@ -348,6 +348,11 @@ xfs_attr_rmtval_get( > > > > > > ASSERT(!(args->flags & ATTR_KERNOVAL)); > > > > > > + /* remote value might be different size to the buffer supplied. */ > > > + if (args->rmtvaluelen = args->valuelen) > > ^^^ > > Here is a typo... > > Oh, well spotted. > > But, hold on a minute, shouldn't gcc be catching those sorts of > typos? > > /me groans > > $ gcc t.c > $ gcc -Wall t.c > t.c: In function ¿main¿: > t.c:10:2: warning: suggest parentheses around assignment used as truth value [-Wparentheses] > if (foo = bar) > ^ > $ > > Only if -Wparentheses is specified. > > Why the hell are we suppressing useful warnings on the kernel build? Hmmm - looks like I missed the output of the warning when I built against 3.15-rc2 because it was a rebuild the world and there's tons of output when that happens... Time to add ccflags-y += -Werror to the makefile.... Cheers, Dave. -- Dave Chinner david@fromorbit.com From david@fromorbit.com Tue Apr 22 19:30:06 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 9DECF7F3F for ; Tue, 22 Apr 2014 19:30:06 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id 82306304032 for ; Tue, 22 Apr 2014 17:30:03 -0700 (PDT) X-ASG-Debug-ID: 1398212997-04cbb06e9d26e450001-NocioJ Received: from ipmail05.adl6.internode.on.net (ipmail05.adl6.internode.on.net [150.101.137.143]) by cuda.sgi.com with ESMTP id n7aT9Ma1QP6FCXtS for ; Tue, 22 Apr 2014 17:29:57 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.143 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: ArNxAJ4IV1N5LEcvPGdsb2JhbABZgwaIbqJ9mWeBEhcDAQEBATg1giUBAQQBJxMcIwULCAMOBwMJJQ8FJQMHGhOIOQfPMxcWjkAHhDgEmG+WFis Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail05.adl6.internode.on.net with ESMTP; 23 Apr 2014 09:59:55 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1Wcl4T-0002i6-4D; Wed, 23 Apr 2014 10:29:53 +1000 Date: Wed, 23 Apr 2014 10:29:53 +1000 From: Dave Chinner To: Brian Foster Cc: xfs@oss.sgi.com Subject: Re: [PATCH] xfs: remote attribute overwrite causes transaction overrun Message-ID: <20140423002953.GP18672@dastard> X-ASG-Orig-Subj: Re: [PATCH] xfs: remote attribute overwrite causes transaction overrun References: <1398149949-11324-1-git-send-email-david@fromorbit.com> <20140422141743.GA55823@bfoster.bfoster> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140422141743.GA55823@bfoster.bfoster> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail05.adl6.internode.on.net[150.101.137.143] X-Barracuda-Start-Time: 1398212997 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5168 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Tue, Apr 22, 2014 at 10:17:44AM -0400, Brian Foster wrote: > On Tue, Apr 22, 2014 at 04:59:09PM +1000, Dave Chinner wrote: > > From: Dave Chinner > > > > Commit e461fcb ("xfs: remote attribute lookups require the value > > length") passes the remote attribute length in the xfs_da_args > > structure on lookup so that CRC calculations and validity checking > > can be performed correctly by related code. This, unfortunately has > > the side effect of changing the args->valuelen parameter in cases > > where it shouldn't. > > > > That is, when we replace a remote attribute, the incoming > > replacement stores the value and length in args->value and > > args->valuelen, but then the lookup which finds the existing remote > > attribute overwrites args->valuelen with the length of the remote > > attribute being replaced. Hence when we go to create the new > > attribute, we create it of the size of the existing remote > > attribute, not the size it is supposed to be. When the new attribute > > is much smaller than the old attribute, this results in a > > transaction overrun and an ASSERT() failure on a debug kernel: > > > > XFS: Assertion failed: tp->t_blk_res_used <= tp->t_blk_res, file: fs/xfs/xfs_trans.c, line: 331 > > > > Fix this by keeping the remote attribute value length separate to > > the attribute value length in the xfs_da_args structure. The enables > > us to pass the length of the remote attribute to be removed without > > overwriting the new attribute's length. > > > > Signed-off-by: Dave Chinner > > --- > > fs/xfs/xfs_attr.c | 7 ++++++- > > fs/xfs/xfs_attr_leaf.c | 21 +++++++++++---------- > > fs/xfs/xfs_attr_remote.c | 11 ++++++++--- > > fs/xfs/xfs_da_btree.h | 2 ++ > > 4 files changed, 27 insertions(+), 14 deletions(-) > > > > diff --git a/fs/xfs/xfs_attr.c b/fs/xfs/xfs_attr.c > > index 01b6a01..dbaa674 100644 > > --- a/fs/xfs/xfs_attr.c > > +++ b/fs/xfs/xfs_attr.c > > @@ -213,7 +213,7 @@ xfs_attr_calc_size( > > * Out of line attribute, cannot double split, but > > * make room for the attribute value itself. > > */ > > - uint dblocks = XFS_B_TO_FSB(mp, valuelen); > > + uint dblocks = xfs_attr3_rmt_blocks(mp, valuelen); > > nblks += dblocks; > > nblks += XFS_NEXTENTADD_SPACE_RES(mp, dblocks, XFS_ATTR_FORK); > > } > > @@ -703,6 +703,7 @@ xfs_attr_leaf_addname(xfs_da_args_t *args) > > args->index2 = args->index; > > args->rmtblkno2 = args->rmtblkno; > > args->rmtblkcnt2 = args->rmtblkcnt; > > + args->rmtvaluelen2 = args->rmtvaluelen; > > } > > Why don't we zero out the first set of values here similar to the node > case? I hadn't looked. I was just doing what was consistent with the current code. /me looks. xfs_attr3_leaf_add -> xfs_attr3_leaf_add_work overwrites the rmt* variables with new values if the newly added attribute needs to be made remote. But, if it is local, it doesn't zero them. So, yes, there is potential for the wrong thing to be done later in this same function as it checks args->rmtblkno assuming that it is only set when the new attribute is remote. Different bug, well spotted. :/ I'll add zeroing here. [FWIW, I've always disliked and been confused by the set of rmtblkno/rmtblkno2 variables in the xfs_da_args. Mainly their naming is horrible. Some day I'll write a patch to make it clear what the two sets of variables are actually for, and maybe write helper functions for switching between the two sets... ] > > diff --git a/fs/xfs/xfs_attr_remote.c b/fs/xfs/xfs_attr_remote.c > > index 6e37823..2324c66 100644 > > --- a/fs/xfs/xfs_attr_remote.c > > +++ b/fs/xfs/xfs_attr_remote.c > > @@ -337,7 +337,7 @@ xfs_attr_rmtval_get( > > struct xfs_buf *bp; > > xfs_dablk_t lblkno = args->rmtblkno; > > __uint8_t *dst = args->value; > > - int valuelen = args->valuelen; > > + int valuelen; > > int nmap; > > int error; > > int blkcnt = args->rmtblkcnt; > > @@ -348,6 +348,11 @@ xfs_attr_rmtval_get( > > > > ASSERT(!(args->flags & ATTR_KERNOVAL)); > > > > + /* remote value might be different size to the buffer supplied. */ > > + if (args->rmtvaluelen = args->valuelen) > > + args->valuelen = args->rmtvaluelen; > > + valuelen = args->valuelen; > > + > > Jeff already called this out as a potential typo... > > I'm guessing the intent is to handle the case where we call from > xfs_attr3_leaf_list_int(). Not really, it was just defensive to ensure that if args->valuelen and args->rmtvaluelen are different we don't overrun the buffer supplied by the caller, which is only args->valuelen in size... > The other callers call > xfs_attr3_leaf_getvalue() first, which sets rmtvaluelen and fixes up > valuelen or returns an error (if short). The list_int() case looks like > it queries the remote length just the same, but only sets valuelen... > Why not just set both valuelen and rmtvaluelen there? Seems reasonable. I'll replace the above check with an ASSERT so that we catch any future mismatches.... Cheers, Dave. -- Dave Chinner david@fromorbit.com From jeff.liu@oracle.com Tue Apr 22 21:13:53 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 9F03B7F3F for ; Tue, 22 Apr 2014 21:13:53 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id 7106C8F8054 for ; Tue, 22 Apr 2014 19:13:50 -0700 (PDT) X-ASG-Debug-ID: 1398219227-04bdf04555282140001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id bf4cwmhB26IsKmmg (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Tue, 22 Apr 2014 19:13:48 -0700 (PDT) X-Barracuda-Envelope-From: jeff.liu@oracle.com X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from ucsinet21.oracle.com (ucsinet21.oracle.com [156.151.31.93]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id s3N2DdgZ011901 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Wed, 23 Apr 2014 02:13:40 GMT Received: from aserz7021.oracle.com (aserz7021.oracle.com [141.146.126.230]) by ucsinet21.oracle.com (8.14.4+Sun/8.14.4) with ESMTP id s3N2DcZe008806 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Wed, 23 Apr 2014 02:13:38 GMT Received: from abhmp0012.oracle.com (abhmp0012.oracle.com [141.146.116.18]) by aserz7021.oracle.com (8.14.4+Sun/8.14.4) with ESMTP id s3N2DboT007717; Wed, 23 Apr 2014 02:13:37 GMT Received: from [10.191.14.122] (/10.191.14.122) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Tue, 22 Apr 2014 19:13:37 -0700 Message-ID: <535721C4.3040902@oracle.com> Date: Wed, 23 Apr 2014 10:13:24 +0800 From: Jeff Liu User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.1.0 MIME-Version: 1.0 To: Dave Chinner CC: xfs@oss.sgi.com Subject: Re: [PATCH] xfs: remote attribute overwrite causes transaction overrun References: <1398149949-11324-1-git-send-email-david@fromorbit.com> <535659F7.4060702@oracle.com> <20140422234628.GN18672@dastard> X-ASG-Orig-Subj: Re: [PATCH] xfs: remote attribute overwrite causes transaction overrun In-Reply-To: <20140422234628.GN18672@dastard> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 8bit X-Source-IP: ucsinet21.oracle.com [156.151.31.93] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1398219228 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5170 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On 04/23 2014 07:46 AM, Dave Chinner wrote: > On Tue, Apr 22, 2014 at 08:00:55PM +0800, Jeff Liu wrote: >> >> On 04/22 2014 14:59 PM, Dave Chinner wrote: >>> From: Dave Chinner >>> >>> Commit e461fcb ("xfs: remote attribute lookups require the value >>> length") passes the remote attribute length in the xfs_da_args >>> structure on lookup so that CRC calculations and validity checking >>> can be performed correctly by related code. This, unfortunately has >>> the side effect of changing the args->valuelen parameter in cases >>> where it shouldn't. >>> >>> That is, when we replace a remote attribute, the incoming >>> replacement stores the value and length in args->value and >>> args->valuelen, but then the lookup which finds the existing remote >>> attribute overwrites args->valuelen with the length of the remote >>> attribute being replaced. Hence when we go to create the new >>> attribute, we create it of the size of the existing remote >>> attribute, not the size it is supposed to be. When the new attribute >>> is much smaller than the old attribute, this results in a >>> transaction overrun and an ASSERT() failure on a debug kernel: >>> >>> XFS: Assertion failed: tp->t_blk_res_used <= tp->t_blk_res, file: fs/xfs/xfs_trans.c, line: 331 >>> >>> Fix this by keeping the remote attribute value length separate to >>> the attribute value length in the xfs_da_args structure. The enables >>> us to pass the length of the remote attribute to be removed without >>> overwriting the new attribute's length. >>> >>> Signed-off-by: Dave Chinner > .... >>> @@ -348,6 +348,11 @@ xfs_attr_rmtval_get( >>> >>> ASSERT(!(args->flags & ATTR_KERNOVAL)); >>> >>> + /* remote value might be different size to the buffer supplied. */ >>> + if (args->rmtvaluelen = args->valuelen) >> ^^^ >> Here is a typo... > > Oh, well spotted. > > But, hold on a minute, shouldn't gcc be catching those sorts of > typos? > > /me groans > > $ gcc t.c > $ gcc -Wall t.c > t.c: In function ¿main¿: > t.c:10:2: warning: suggest parentheses around assignment used as truth value [-Wparentheses] > if (foo = bar) > ^ > $ > > Only if -Wparentheses is specified. > > Why the hell are we suppressing useful warnings on the kernel build? > Well, maybe it's due to the different gcc release? I can hit this warning via gcc-4.8.1 which is the default version on Ubuntu 13.10 as below: # make SUBDIRS=fs/xfs -j4 ... fs/xfs/xfs_attr_remote.c: In function ‘xfs_attr_rmtval_get’: fs/xfs/xfs_attr_remote.c:352:2: warning: suggest parentheses around assignment used as truth value [-Wparentheses] if (args->rmtvaluelen = args->valuelen) ^ CC [M] fs/xfs/xfs_bmap_btree.o CC [M] fs/xfs/xfs_btree.o ... Thanks, -Jeff From david@fromorbit.com Tue Apr 22 21:18:42 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 5A7BA7F3F for ; Tue, 22 Apr 2014 21:18:42 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 50187304059 for ; Tue, 22 Apr 2014 19:18:42 -0700 (PDT) X-ASG-Debug-ID: 1398219516-04cb6c24382713d0001-NocioJ Received: from ipmail05.adl6.internode.on.net (ipmail05.adl6.internode.on.net [150.101.137.143]) by cuda.sgi.com with ESMTP id SEx1V2TF5H3ECdi0 for ; Tue, 22 Apr 2014 19:18:37 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.143 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: Aq9xAKUiV1N5LEcvPGdsb2JhbABYgwaIbqMFmWeBExcDAQEBATg1giUBAQQBOhwjBQsIAxgJJQ8FJQMHGhOIOQfPQxcWjVwiQgeEOASYb5RFgVErgSwCHg Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail05.adl6.internode.on.net with ESMTP; 23 Apr 2014 11:48:35 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1Wcmlf-00030Y-7J; Wed, 23 Apr 2014 12:18:35 +1000 Date: Wed, 23 Apr 2014 12:18:35 +1000 From: Dave Chinner To: Speedy Milan Cc: linux-kernel@vger.kernel.org, Ivan Pantovic , xfs@oss.sgi.com Subject: Re: rm -f * on large files very slow on XFS + MD RAID 6 volume of 15x 4TB of HDDs (52TB) Message-ID: <20140423021835.GI15995@dastard> X-ASG-Orig-Subj: Re: rm -f * on large files very slow on XFS + MD RAID 6 volume of 15x 4TB of HDDs (52TB) References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail05.adl6.internode.on.net[150.101.137.143] X-Barracuda-Start-Time: 1398219516 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5170 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- [cc xfs@oss.sgi.com] On Mon, Apr 21, 2014 at 10:58:53PM +0200, Speedy Milan wrote: > I want to report very slow deletion of 24 50GB files (in total 12 TB), > all present in the same folder. total = 1.2TB? > OS is CentOS 6.4, with upgraded kernel 3.13.1. > > The hardware is a Supermicro server with 15x 4TB WD Se drives in MD > RAID 6, totalling 52TB of free space. > > XFS is formated directly on the RAID volume, without LVM layers. > > Deletion was done with rm -f * command, and it took upwards of 1 hour > to delete the files. > > File system was filled completely prior to deletion. Oh, that's bad. it's likely you fragmented the files into millions of extents? > rm was mostly waiting (D state), probably for kworker threads, and No, waiting for IO. > iostat was showing big HDD utilization numbers and very low throughput > so it looked like a random HDD workload was in effect. Yup, smells like file fragmentation. Non-fragmented 50GB files should be removed in a few milliseconds. but if you've badly fragmented the files, there could be 10 million extents in a 50GB file. A few milliseconds per extent removal gives you.... Cheers, Dave. -- Dave Chinner david@fromorbit.com From sandeen@sandeen.net Tue Apr 22 22:05:07 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id C3DEA7F3F for ; Tue, 22 Apr 2014 22:05:07 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id 66F63AC00A for ; Tue, 22 Apr 2014 20:05:04 -0700 (PDT) X-ASG-Debug-ID: 1398222299-04bdf04555283630001-NocioJ Received: from sandeen.net (sandeen.net [63.231.237.45]) by cuda.sgi.com with ESMTP id ZGGpZTJgLq8PZsYA for ; Tue, 22 Apr 2014 20:04:59 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@sandeen.net X-Barracuda-Apparent-Source-IP: 63.231.237.45 Received: from liberator.sandeen.net (liberator.sandeen.net [10.0.0.4]) (using TLSv1 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (No client certificate requested) by sandeen.net (Postfix) with ESMTPSA id 3611863C5FF0; Tue, 22 Apr 2014 22:04:59 -0500 (CDT) Message-ID: <53572DDA.8080302@sandeen.net> Date: Tue, 22 Apr 2014 22:04:58 -0500 From: Eric Sandeen User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:24.0) Gecko/20100101 Thunderbird/24.4.0 MIME-Version: 1.0 To: Dave Chinner , Jeff Liu CC: xfs@oss.sgi.com Subject: Re: [PATCH] xfs: remote attribute overwrite causes transaction overrun References: <1398149949-11324-1-git-send-email-david@fromorbit.com> <535659F7.4060702@oracle.com> <20140422234628.GN18672@dastard> <20140423000042.GO18672@dastard> X-ASG-Orig-Subj: Re: [PATCH] xfs: remote attribute overwrite causes transaction overrun In-Reply-To: <20140423000042.GO18672@dastard> X-Enigmail-Version: 1.6 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8bit X-Barracuda-Connect: sandeen.net[63.231.237.45] X-Barracuda-Start-Time: 1398222299 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5171 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On 4/22/14, 7:00 PM, Dave Chinner wrote: > On Wed, Apr 23, 2014 at 09:46:28AM +1000, Dave Chinner wrote: >> On Tue, Apr 22, 2014 at 08:00:55PM +0800, Jeff Liu wrote: >>> >>> On 04/22 2014 14:59 PM, Dave Chinner wrote: ... >>>> + /* remote value might be different size to the buffer supplied. */ >>>> + if (args->rmtvaluelen = args->valuelen) >>> ^^^ >>> Here is a typo... >> >> Oh, well spotted. >> >> But, hold on a minute, shouldn't gcc be catching those sorts of >> typos? >> >> /me groans >> >> $ gcc t.c >> $ gcc -Wall t.c >> t.c: In function ¿main¿: >> t.c:10:2: warning: suggest parentheses around assignment used as truth value [-Wparentheses] >> if (foo = bar) >> ^ >> $ >> >> Only if -Wparentheses is specified. >> >> Why the hell are we suppressing useful warnings on the kernel build? > > Hmmm - looks like I missed the output of the warning when I built > against 3.15-rc2 because it was a rebuild the world and there's tons > of output when that happens... > > > > Time to add ccflags-y += -Werror to the makefile.... Probably only under a couple specific arches...? How are we for i.e. stupid printf format warnings about long vs. longlong on 32/64 arches...? Or maybe you can -Werror, -Wno$FOO? -Eric > Cheers, > > Dave. > From david@fromorbit.com Wed Apr 23 00:47:28 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 76BE77F3F for ; Wed, 23 Apr 2014 00:47:28 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 6244F8F8064 for ; Tue, 22 Apr 2014 22:47:25 -0700 (PDT) X-ASG-Debug-ID: 1398232042-04cb6c24362766c0001-NocioJ Received: from ipmail04.adl6.internode.on.net (ipmail04.adl6.internode.on.net [150.101.137.141]) by cuda.sgi.com with ESMTP id w8Y6CbhgLGjQo56q for ; Tue, 22 Apr 2014 22:47:23 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.141 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: Ak92APBSV1N5LEcvPGdsb2JhbABZgwZPgxWoE5QJhWKBFhcDAQEBATg1giUBAQQBOhwYCwULCAMYCSUPBSUDBxoTiDkHDs85EwQWjWtXB4Q5BJh0hiOPdiuBLQ Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail04.adl6.internode.on.net with ESMTP; 23 Apr 2014 15:17:21 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1Wcq1f-0003RV-3d; Wed, 23 Apr 2014 15:47:19 +1000 Date: Wed, 23 Apr 2014 15:47:19 +1000 From: Dave Chinner To: Keyur Govande Cc: linux-fsdevel@vger.kernel.org, xfs@oss.sgi.com Subject: Re: XFS fragmentation on file append Message-ID: <20140423054719.GJ15995@dastard> X-ASG-Orig-Subj: Re: XFS fragmentation on file append References: <20140408015012.GB22917@dastard> <20140408053117.GJ27017@dastard> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail04.adl6.internode.on.net[150.101.137.141] X-Barracuda-Start-Time: 1398232042 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5174 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Tue, Apr 22, 2014 at 07:35:34PM -0400, Keyur Govande wrote: > On Tue, Apr 8, 2014 at 1:31 AM, Dave Chinner wrote: > > On Mon, Apr 07, 2014 at 11:42:02PM -0400, Keyur Govande wrote: > >> On Mon, Apr 7, 2014 at 9:50 PM, Dave Chinner wrote: > >> > [cc the XFS mailing list ] > >> > > >> > On Mon, Apr 07, 2014 at 06:53:46PM -0400, Keyur Govande wrote: > >> >> Hello, > >> >> > >> >> I'm currently investigating a MySQL performance degradation on XFS due > >> >> to file fragmentation. ..... > >> > Alternatively, set an extent size hint on the log files to define > >> > the minimum sized allocation (e.g. 32MB) and this will limit > >> > fragmentation without you having to modify the MySQL code at all... ..... > I spent some more time figuring out the MySQL write semantics and it > doesn't open/close files often and initial test script was incorrect. > > It uses O_DIRECT and appends to the file; I modified my test binary to ..... > [root@dbtest09 linux-3.10.37]# xfs_io -c "extsize " /var/lib/mysql/xfs/ > [0] /var/lib/mysql/xfs/ So you aren't using extent size hints.... > > Here's how the first 3 AG's look like: > https://gist.github.com/keyurdg/82b955fb96b003930e4f > > After a run of the dpwrite program, here's how the bmap looks like: > https://gist.github.com/keyurdg/11196897 > > The files have nicely interleaved with each other, mostly > XFS_IEXT_BUFSZ size extents. XFS_IEXT_BUFSZ Has nothing to do with the size of allocations. It's the size of the in memory array buffer used to hold extent records. What you are seeing is allocation interleaving according to the pattern and size of the direct IOs being done by the application. Which happen to be 512KB (1024 basic blocks) and the file being written to is randomly selected. > The average read speed is 724 MBps. After > defragmenting the file to 1 extent, the speed improves 30% to 1.09 > GBps. Sure. Now set an extent size hint of 32MB and try again. > I noticed that XFS chooses the AG based on the parent directory's AG > and only the next sequential one if there's no space available. Yes, that's what the inode64 allocator does. It tries to keep files in the same directory close together. > A > small patch that chooses the AG randomly fixes the fragmentation issue > very nicely. All of the MySQL data files are in a single directory and > we see this in Production where a parent inode AG is filled, then the > sequential next, and so on. > > diff --git a/fs/xfs/xfs_ialloc.c b/fs/xfs/xfs_ialloc.c > index c8f5ae1..7841509 100644 > --- a/fs/xfs/xfs_ialloc.c > +++ b/fs/xfs/xfs_ialloc.c > @@ -517,7 +517,7 @@ xfs_ialloc_ag_select( > * to mean that blocks must be allocated for them, > * if none are currently free. > */ > - agno = pagno; > + agno = ((xfs_agnumber_t) prandom_u32()) % agcount; > flags = XFS_ALLOC_FLAG_TRYLOCK; > for (;;) { > pag = xfs_perag_get(mp, agno); Ugh. That might fix the interleaving, but it randomly distributes related files over the entire filesystem. Hence if you have random access to the files (like a database does) you now have random seeks across the entire filesystem rather than within AGs. You basically destroy any concept of data locality that the filesystem has. > I couldn't find guidance on the internet on how many allocation groups > to use for a 2 TB partition, I've already given guidance on that. Choose to ignore it if you will... > but this random selection won't scale for > many hundreds of concurrently written files, but for a few heavily > writtent-to files it works nicely. > > I noticed that for non-DIRECT_IO + every write fsync'd, XFS would > cleverly keep doubling the allocation block size as the file kept > growing. That's the behaviour of delayed allocation. By using buffered IO, the application has delegated all responisbility of optimal layout of the file to the filesystem, and this is the method XFS uses to minimise fragmentation in that case. Direct IO does not have delayed allocation - it allocates for the current IO according to the bounds given by the IO, inode extent size hints and alignment characteristic of the filesystem. It does not do specualtive allocation at all. The principle of direct IO to do exactly what the application asked, not to second guess what the application *might* need. Either the application delegates everything to the filesystem (i.e. buffered IO) or it assumes full responsibility for allocation behaviour and IO coherency (i.e. direct IO). IOWs, If you need to preallocate space beyond EOF that doubles in size as the file grows to prevent fragmentation, then the application should be calling fallocate(FALLOC_FL_KEEP_SIZE) at the appropriate times or using extent size hints to define the minimum allocation sizes for the direct IO. > The "extsize" option seems to me a bit too static because the size of > tables we use varies widely and large new tables come and goe You can set the extsize per file at create time, but really, you only need to set the extent size just large enough to obtain maximal read speeds. > Could the same doubling logic be applied for DIRECT_IO writes as well? I don't think so. It would break many carefully tuned production systems out there that rely directly on the fact that XFS does exactly what the application asks it to do when using direct IO. IOWs, I think you are trying to optimise the wrong layer - put your effort into making fallocate() do what the application needs to prevent fragmentation rather trying to hack the filesystem to do it for you. Not only will that improve performance on XFS, but it will also improve performance on ext4 and any other filesystem that supports fallocate and direct IO. Cheers, Dave. -- Dave Chinner david@fromorbit.com From david@fromorbit.com Wed Apr 23 00:54:25 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id C447F7F3F for ; Wed, 23 Apr 2014 00:54:25 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 4C489AC00A for ; Tue, 22 Apr 2014 22:54:22 -0700 (PDT) X-ASG-Debug-ID: 1398232459-04cb6c24362769a0001-NocioJ Received: from ipmail04.adl6.internode.on.net (ipmail04.adl6.internode.on.net [150.101.137.141]) by cuda.sgi.com with ESMTP id iBCspkjgM1fEbpW8 for ; Tue, 22 Apr 2014 22:54:19 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.141 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: Aid5AE1UV1N5LEcvPGdsb2JhbABZgwaDZIUKowmUCYVigRYXAwEBAQE4NYIlAQEFJxMcIxAIAxgJJQ8FJQMHGhOIQM9IFxaOQgeEOQSYdJYZKw Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail04.adl6.internode.on.net with ESMTP; 23 Apr 2014 15:24:18 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1Wcq8P-0003SQ-9a; Wed, 23 Apr 2014 15:54:17 +1000 Date: Wed, 23 Apr 2014 15:54:17 +1000 From: Dave Chinner To: Eric Sandeen Cc: Jeff Liu , xfs@oss.sgi.com Subject: Re: [PATCH] xfs: remote attribute overwrite causes transaction overrun Message-ID: <20140423055417.GK15995@dastard> X-ASG-Orig-Subj: Re: [PATCH] xfs: remote attribute overwrite causes transaction overrun References: <1398149949-11324-1-git-send-email-david@fromorbit.com> <535659F7.4060702@oracle.com> <20140422234628.GN18672@dastard> <20140423000042.GO18672@dastard> <53572DDA.8080302@sandeen.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <53572DDA.8080302@sandeen.net> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail04.adl6.internode.on.net[150.101.137.141] X-Barracuda-Start-Time: 1398232459 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5174 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Tue, Apr 22, 2014 at 10:04:58PM -0500, Eric Sandeen wrote: > On 4/22/14, 7:00 PM, Dave Chinner wrote: > > On Wed, Apr 23, 2014 at 09:46:28AM +1000, Dave Chinner wrote: > >> On Tue, Apr 22, 2014 at 08:00:55PM +0800, Jeff Liu wrote: > >>> > >>> On 04/22 2014 14:59 PM, Dave Chinner wrote: .... > >>>> + /* remote value might be different size to the buffer supplied. */ > >>>> + if (args->rmtvaluelen = args->valuelen) > >>> ^^^ > >>> Here is a typo... > >> > >> Oh, well spotted. > >> > >> But, hold on a minute, shouldn't gcc be catching those sorts of > >> typos? .... > > Time to add ccflags-y += -Werror to the makefile.... > > Probably only under a couple specific arches...? How are we for i.e. > stupid printf format warnings about long vs. longlong on 32/64 arches...? > > Or maybe you can -Werror, -Wno$FOO? Personally, if other arches are throwing warnings that we don't know about, they need to be fixed. The only way I'll get to know about them is to have somebody else's build break, because nobody is reporting warnings to us right now.... Cheers, Dave. -- Dave Chinner david@fromorbit.com From david@fromorbit.com Wed Apr 23 01:04:01 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id E23BE7F3F for ; Wed, 23 Apr 2014 01:04:01 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id C62C0304043 for ; Tue, 22 Apr 2014 23:03:58 -0700 (PDT) X-ASG-Debug-ID: 1398233036-04bdf04554287ee0001-NocioJ Received: from ipmail04.adl6.internode.on.net (ipmail04.adl6.internode.on.net [150.101.137.141]) by cuda.sgi.com with ESMTP id RvA7pvTML2RHQtbh for ; Tue, 22 Apr 2014 23:03:56 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.141 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: Aid5AKhWV1N5LEcvPGdsb2JhbABZgwaDZIUKowmUCYVigRUXAwEBAQE4NYIlAQEFOhwjEAgDDgoJJQ8FJQMHGhOIQM9HFxaOQgeEOQSYdJYZKw Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail04.adl6.internode.on.net with ESMTP; 23 Apr 2014 15:33:54 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WcqHh-0003US-27; Wed, 23 Apr 2014 16:03:53 +1000 Date: Wed, 23 Apr 2014 16:03:53 +1000 From: Dave Chinner To: Brian Foster Cc: xfs@oss.sgi.com Subject: Re: [PATCH v3 11/20] xfsprogs/mkfs: finobt mkfs support Message-ID: <20140423060352.GL15995@dastard> X-ASG-Orig-Subj: Re: [PATCH v3 11/20] xfsprogs/mkfs: finobt mkfs support References: <1397146270-42993-1-git-send-email-bfoster@redhat.com> <1397146270-42993-12-git-send-email-bfoster@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1397146270-42993-12-git-send-email-bfoster@redhat.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail04.adl6.internode.on.net[150.101.137.141] X-Barracuda-Start-Time: 1398233036 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5175 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Thu, Apr 10, 2014 at 12:11:01PM -0400, Brian Foster wrote: > Add the 'finobt' metadata option to mkfs to format an fs with free > inode btree support. If enabled, initialize the associated AGI > header fields and btree root block. > > Also, do the initialization of the superblock version and feature > bits (including the new finobt flag) a bit earlier. These fields > must now be initialized prior to the use of XFS_PREALLOC_BLOCKS(), > as the latter returns a value that depends on whether a finobt root > btree block is reserved. > > Signed-off-by: Brian Foster $ sudo mkfs.xfs -f -mcrc=1,finobt=1 -m crc=0 -d size=128m /dev/ram1 meta-data=/dev/ram1 isize=256 agcount=4, agsize=8192 blks = sectsz=512 attr=2, projid32bit=1 = crc=0 finobt=1 ^^^^^ ^^^^^^^^ ..... $ mount /dev/ram1 /mnt/scratch [ 4727.269080] XFS (ram1): Mounting Filesystem [ 4727.270077] XFS (ram1): Log inconsistent or not a log (last==0, first!=1) [ 4727.271227] XFS (ram1): empty log check failed [ 4727.271970] XFS (ram1): log mount/recovery failed: error 22 [ 4727.273097] XFS (ram1): log mount failed If "-mcrc=0" is seen on the command line, it needs to turn off finobt.... xfs/001 and xfs/002 trip over this when run like: $ MKFS_OPTIONS="-mcrc=1,finobt=1" ./check xfs/00[12] Otherwise, everything seems to be working ;) Cheers, Dave. -- Dave Chinner david@fromorbit.com From david@fromorbit.com Wed Apr 23 01:10:45 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 0596C7F3F for ; Wed, 23 Apr 2014 01:10:45 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id EAEAE304051 for ; Tue, 22 Apr 2014 23:10:44 -0700 (PDT) X-ASG-Debug-ID: 1398233442-04cb6c24362771d0001-NocioJ Received: from ipmail04.adl6.internode.on.net (ipmail04.adl6.internode.on.net [150.101.137.141]) by cuda.sgi.com with ESMTP id gGohZRlQnBbEBnAD for ; Tue, 22 Apr 2014 23:10:42 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.141 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: Ail5AP5YV1N5LEcvPGdsb2JhbABZgwaDZIUKowmUCYVigRUXAwEBAQE4NYIlAQEFJxMcIxAIAw4KCSUPBSUDBxoTiEDPMxcWjkIHhDkEmHSWGSs Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail04.adl6.internode.on.net with ESMTP; 23 Apr 2014 15:40:41 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WcqOF-0003VW-Tu; Wed, 23 Apr 2014 16:10:39 +1000 Date: Wed, 23 Apr 2014 16:10:39 +1000 From: Dave Chinner To: Brian Foster Cc: xfs@oss.sgi.com Subject: Re: [PATCH v3 14/20] xfsprogs/repair: phase 2 finobt scan Message-ID: <20140423061039.GM15995@dastard> X-ASG-Orig-Subj: Re: [PATCH v3 14/20] xfsprogs/repair: phase 2 finobt scan References: <1397146270-42993-1-git-send-email-bfoster@redhat.com> <1397146270-42993-15-git-send-email-bfoster@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1397146270-42993-15-git-send-email-bfoster@redhat.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail04.adl6.internode.on.net[150.101.137.141] X-Barracuda-Start-Time: 1398233442 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5174 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Thu, Apr 10, 2014 at 12:11:04PM -0400, Brian Foster wrote: > If one exists, scan the free inode btree in phase 2 of xfs_repair. > We use the same general infrastructure as for the inobt scan, but > trigger finobt chunk scan logic in in scan_inobt() via the magic > value. > > The new scan_single_finobt_chunk() function is similar to the inobt > equivalent with some finobt specific logic. We can expect that > underlying inode chunk blocks are already marked used due to the > previous inobt scan. We can also expect to find every record > tracked by the finobt already accounted for in the in-core tree > with equivalent (and internally consistent) inobt record data. > > Spit out a warning on any divergences from the above and add the > inodes referenced by the current finobt record to the appropriate > in-core tree. > > Signed-off-by: Brian Foster ..... > + if (xfs_sb_version_hasfinobt(&mp->m_sb)) { > + bno = be32_to_cpu(agi->agi_free_root); > + if (bno != 0 && verify_agbno(mp, agno, bno)) { > + magic = xfs_sb_version_hascrc(&mp->m_sb) ? > + XFS_FIBT_CRC_MAGIC : XFS_FIBT_MAGIC; > + scan_sbtree(bno, be32_to_cpu(agi->agi_free_level), > + agno, 0, scan_inobt, 1, magic, agcnts, > + &xfs_inobt_buf_ops); > + } else { > + do_warn(_("bad agbno %u for finobt root, agno %d\n"), > + be32_to_cpu(agi->agi_free_root), agno); > + } > + } > + This generates a new repair output in xfs/030, so the xfstests repair filter will need to be updated. --- tests/xfs/030.out 2014-01-20 16:57:33.000000000 +1100 +++ results//xfs/030.out.bad 2014-04-23 15:28:29.000000000 +1000 @@ -82,6 +82,7 @@ bad length # 0 for agi 0, should be LENGTH reset bad agi for ag 0 bad agbno AGBNO for inobt root, agno 0 +bad agbno AGBNO for finobt root, agno 0 root inode chunk not found Phase 3 - for each AG... - scan and clear agi unlinked lists... @@ -204,6 +205,7 @@ bad length # -1 for agi 0, should be LENGTH reset bad agi for ag 0 bad agbno AGBNO for inobt root, agno 0 +bad agbno AGBNO for finobt root, agno 0 root inode chunk not found Phase 3 - for each AG... - scan and clear agi unlinked lists... Cheers, Dave. -- Dave Chinner david@fromorbit.com From david@fromorbit.com Wed Apr 23 01:12:37 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 31A737F3F for ; Wed, 23 Apr 2014 01:12:37 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id 14A9B304043 for ; Tue, 22 Apr 2014 23:12:37 -0700 (PDT) X-ASG-Debug-ID: 1398233554-04bdf04555288220001-NocioJ Received: from ipmail04.adl6.internode.on.net (ipmail04.adl6.internode.on.net [150.101.137.141]) by cuda.sgi.com with ESMTP id SjTIStehSUuiGWXR for ; Tue, 22 Apr 2014 23:12:35 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.141 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: Aip5AP5YV1N5LEcvPGdsb2JhbABZgwaDZIUKowmUCYVigRUXAwEBAQE4NYIlAQEFJxMcIxAIAw4KCQwZDwUlAwcaE4hAzzMXFo5CBwqELwEDmHSUSIFRKw Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail04.adl6.internode.on.net with ESMTP; 23 Apr 2014 15:42:34 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WcqQ6-0003WL-0W; Wed, 23 Apr 2014 16:12:34 +1000 Date: Wed, 23 Apr 2014 16:12:33 +1000 From: Dave Chinner To: Brian Foster Cc: xfs@oss.sgi.com Subject: Re: [PATCH v3 13/20] xfsprogs/repair: account for finobt in ag 0 geometry pre-calculation Message-ID: <20140423061233.GN15995@dastard> X-ASG-Orig-Subj: Re: [PATCH v3 13/20] xfsprogs/repair: account for finobt in ag 0 geometry pre-calculation References: <1397146270-42993-1-git-send-email-bfoster@redhat.com> <1397146270-42993-14-git-send-email-bfoster@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1397146270-42993-14-git-send-email-bfoster@redhat.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail04.adl6.internode.on.net[150.101.137.141] X-Barracuda-Start-Time: 1398233554 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5175 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Thu, Apr 10, 2014 at 12:11:03PM -0400, Brian Foster wrote: > Account for the finobt in calc_mkfs(). > > Signed-off-by: Brian Foster > --- > repair/xfs_repair.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/repair/xfs_repair.c b/repair/xfs_repair.c > index 08b25f0..356125b 100644 > --- a/repair/xfs_repair.c > +++ b/repair/xfs_repair.c > @@ -407,6 +407,8 @@ calc_mkfs(xfs_mount_t *mp) > bcntbt_root = bnobt_root + 1; > inobt_root = bnobt_root + 2; > fino_bno = inobt_root + XFS_MIN_FREELIST_RAW(1, 1, mp) + 1; > + if (xfs_sb_version_hasfinobt(&mp->m_sb)) > + fino_bno++; The comment about this code needs updating, too. Cheers, Dave. -- Dave Chinner david@fromorbit.com From david@fromorbit.com Wed Apr 23 01:20:50 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 7B82C7F3F for ; Wed, 23 Apr 2014 01:20:50 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 67F7F8F8064 for ; Tue, 22 Apr 2014 23:20:50 -0700 (PDT) X-ASG-Debug-ID: 1398234044-04cbb06e9c277130001-NocioJ Received: from ipmail04.adl6.internode.on.net (ipmail04.adl6.internode.on.net [150.101.137.141]) by cuda.sgi.com with ESMTP id 7FUQJx5LAxrWHlDI for ; Tue, 22 Apr 2014 23:20:45 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.141 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: Ail5AGFbV1N5LEcvPGdsb2JhbABZgwaDZIUKowmUCYVigRUXAwEBAQE4NYIlAQEFJxMcIxAIAw4KCSUPBSUDBxoTiEDPNhcWjkIHhDkEmHSWGSs Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail04.adl6.internode.on.net with ESMTP; 23 Apr 2014 15:50:42 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WcqX3-0003XS-G6; Wed, 23 Apr 2014 16:19:45 +1000 Date: Wed, 23 Apr 2014 16:19:45 +1000 From: Dave Chinner To: Brian Foster Cc: xfs@oss.sgi.com Subject: Re: [PATCH v3 14/20] xfsprogs/repair: phase 2 finobt scan Message-ID: <20140423061945.GO15995@dastard> X-ASG-Orig-Subj: Re: [PATCH v3 14/20] xfsprogs/repair: phase 2 finobt scan References: <1397146270-42993-1-git-send-email-bfoster@redhat.com> <1397146270-42993-15-git-send-email-bfoster@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1397146270-42993-15-git-send-email-bfoster@redhat.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail04.adl6.internode.on.net[150.101.137.141] X-Barracuda-Start-Time: 1398234044 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5175 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Thu, Apr 10, 2014 at 12:11:04PM -0400, Brian Foster wrote: > If one exists, scan the free inode btree in phase 2 of xfs_repair. > We use the same general infrastructure as for the inobt scan, but > trigger finobt chunk scan logic in in scan_inobt() via the magic > value. > > The new scan_single_finobt_chunk() function is similar to the inobt > equivalent with some finobt specific logic. We can expect that > underlying inode chunk blocks are already marked used due to the > previous inobt scan. We can also expect to find every record > tracked by the finobt already accounted for in the in-core tree > with equivalent (and internally consistent) inobt record data. > > Spit out a warning on any divergences from the above and add the > inodes referenced by the current finobt record to the appropriate > in-core tree. > > Signed-off-by: Brian Foster .... > + /* > + * on multi-block block chunks, all chunks start > + * at the beginning of the block. with multi-chunk > + * blocks, all chunks must start on 64-inode boundaries > + * since each block can hold N complete chunks. if > + * fs has aligned inodes, all chunks must start > + * at a fs_ino_alignment*N'th agbno. skip recs > + * with badly aligned starting inodes. > + */ Use all 80 columns for the comment ;) > + if (ino == 0 || > + (inodes_per_block <= XFS_INODES_PER_CHUNK && off != 0) || > + (inodes_per_block > XFS_INODES_PER_CHUNK && > + off % XFS_INODES_PER_CHUNK != 0) || > + (fs_aligned_inodes && agbno % fs_ino_alignment != 0)) { > + do_warn( > + _("badly aligned finobt inode rec (starting inode = %" PRIu64 ")\n"), > + lino); > + suspect++; > + } > + > + /* > + * verify numeric validity of inode chunk first > + * before inserting into a tree. don't have to > + * worry about the overflow case because the > + * starting ino number of a chunk can only get > + * within 255 inodes of max (NULLAGINO). if it > + * gets closer, the agino number will be illegal > + * as the agbno will be too large. > + */ Same. > + > + /* > + * the finobt contains a record that the previous alloc inobt scan never > + * found. insert the inodes into the appropriate tree. > + */ > + > + do_warn( > + _("undiscovered finobt record, ino %" PRIu64 " (%d/%u)\n"), > + lino, agno, ino); No need for the new line for the _("...") there, nor the whitespace before it. > + > + if (!suspect) { > + /* > + * inodes previously inserted into the uncertain tree should be > + * superceded by these when the uncertain tree is processed > + */ > + nfree = 0; > + if (XFS_INOBT_IS_FREE_DISK(rp, 0)) { > + nfree++; > + ino_rec = set_inode_free_alloc(mp, agno, ino); > + } else { > + ino_rec = set_inode_used_alloc(mp, agno, ino); > + } > + for (j = 1; j < XFS_INODES_PER_CHUNK; j++) { > + if (XFS_INOBT_IS_FREE_DISK(rp, j)) { > + nfree++; > + set_inode_free(ino_rec, j); > + } else { > + set_inode_used(ino_rec, j); > + } > + } > + } else { > + /* > + * this should handle the case where the inobt scan may have > + * already added uncertain inodes > + */ > + nfree = 0; > + for (j = 0; j < XFS_INODES_PER_CHUNK; j++) { > + if (XFS_INOBT_IS_FREE_DISK(rp, j)) { > + add_aginode_uncertain(mp, agno, ino + j, 1); > + nfree++; > + } else { > + add_aginode_uncertain(mp, agno, ino + j, 0); > + } > + } > + } > + > +check_freecount: > + > + if (nfree != be32_to_cpu(rp->ir_freecount)) { > + do_warn( > +_("finobt ir_freecount/free mismatch, inode chunk %d/%u, freecount %d nfree %d\n"), > + agno, ino, be32_to_cpu(rp->ir_freecount), nfree); > + } > + > + if (!nfree) { > + do_warn( > +_("finobt record with no free inodes, inode chunk %d/%u\n"), agno, ino); > + } Shouldn't both of these increment suspect? Cheers, Dave. -- Dave Chinner david@fromorbit.com From david@fromorbit.com Wed Apr 23 01:25:19 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 7574E7F3F for ; Wed, 23 Apr 2014 01:25:19 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id 590E330405F for ; Tue, 22 Apr 2014 23:25:19 -0700 (PDT) X-ASG-Debug-ID: 1398234317-04cbb06e9d2772a0001-NocioJ Received: from ipmail04.adl6.internode.on.net (ipmail04.adl6.internode.on.net [150.101.137.141]) by cuda.sgi.com with ESMTP id sSaeXiynC1hOAsmx for ; Tue, 22 Apr 2014 23:25:17 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.141 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: Ail5AIRcV1N5LEcvPGdsb2JhbABZgwaDZIUKowmUCYVigRUXAwEBAQE4NYIlAQEFJxMcIxAIAw4KCSUPBSUDBxoTiEDPOhcWjkIHhDkEmHSUSIFRKw Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail04.adl6.internode.on.net with ESMTP; 23 Apr 2014 15:54:44 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1Wcqbr-0003YA-Rp; Wed, 23 Apr 2014 16:24:43 +1000 Date: Wed, 23 Apr 2014 16:24:43 +1000 From: Dave Chinner To: Brian Foster Cc: xfs@oss.sgi.com Subject: Re: [PATCH v3 17/20] xfsprogs/repair: helpers for finding in-core inode records w/ free inodes Message-ID: <20140423062443.GP15995@dastard> X-ASG-Orig-Subj: Re: [PATCH v3 17/20] xfsprogs/repair: helpers for finding in-core inode records w/ free inodes References: <1397146270-42993-1-git-send-email-bfoster@redhat.com> <1397146270-42993-18-git-send-email-bfoster@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1397146270-42993-18-git-send-email-bfoster@redhat.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail04.adl6.internode.on.net[150.101.137.141] X-Barracuda-Start-Time: 1398234317 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.60 X-Barracuda-Spam-Status: No, SCORE=0.60 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=MARKETING_SUBJECT X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5175 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.60 MARKETING_SUBJECT Subject contains popular marketing words On Thu, Apr 10, 2014 at 12:11:07PM -0400, Brian Foster wrote: > Add the findfirst_free_inode_rec() and next_free_ino_rec() helpers > to assist scanning the in-core inode records for records with at > least one free inode. These will be used to determine what records > are included in the free inode btree. > > Signed-off-by: Brian Foster > --- > repair/incore.h | 27 +++++++++++++++++++++++++++ > 1 file changed, 27 insertions(+) > > diff --git a/repair/incore.h b/repair/incore.h > index 5419884..5f8c188 100644 > --- a/repair/incore.h > +++ b/repair/incore.h > @@ -381,6 +381,33 @@ void clear_uncertain_ino_cache(xfs_agnumber_t agno); > ((ino_tree_node_t *) ((ino_node_ptr)->avl_node.avl_forw)) > > /* > + * finobt helpers > + */ > +static inline ino_tree_node_t * > +findfirst_free_inode_rec(xfs_agnumber_t agno) > +{ > + ino_tree_node_t *ino_rec; > + > + ino_rec = findfirst_inode_rec(agno); > + > + while (ino_rec && !ino_rec->ir_free) > + ino_rec = next_ino_rec(ino_rec); > + > + return ino_rec; > +} > + > +static inline ino_tree_node_t * > +next_free_ino_rec(ino_tree_node_t *ino_rec) > +{ > + ino_rec = next_ino_rec(ino_rec); > + > + while (ino_rec && !ino_rec->ir_free) > + ino_rec = next_ino_rec(ino_rec); > + > + return ino_rec; > +} That looks a bit inefficient - walking the list of inode records to find the next one with free inodes. Perhaps we woul dbe better served by adding a new list for inode records with free entries and walking that instead? Iknow, it's a memory vs speed tradeoff, but if we've got millions of inodes and very few free, the difference could be very significant. Cheers, Dave. -- Dave Chinner david@fromorbit.com From david@fromorbit.com Wed Apr 23 01:36:04 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 40B337F3F for ; Wed, 23 Apr 2014 01:36:04 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id 23639304051 for ; Tue, 22 Apr 2014 23:36:03 -0700 (PDT) X-ASG-Debug-ID: 1398234961-04cbb06e9a277840001-NocioJ Received: from ipmail04.adl6.internode.on.net (ipmail04.adl6.internode.on.net [150.101.137.141]) by cuda.sgi.com with ESMTP id E6qUAVgLFVeWxKCr for ; Tue, 22 Apr 2014 23:36:02 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.141 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: Aip5AONeV1N5LEcvPGdsb2JhbABZgwaDZIUKowmUCYVigRUXAwEBAQE4NYIlAQEEATocIwULCAMOCgklDwUlAwcaE4g5B88/FxaOQgeEOQSYdJYZKw Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail04.adl6.internode.on.net with ESMTP; 23 Apr 2014 16:06:01 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1Wcqml-0003Ze-WB; Wed, 23 Apr 2014 16:36:00 +1000 Date: Wed, 23 Apr 2014 16:35:59 +1000 From: Dave Chinner To: Brian Foster Cc: xfs@oss.sgi.com Subject: Re: [PATCH v3 00/20] xfsprogs: introduce the free inode btree Message-ID: <20140423063559.GQ15995@dastard> X-ASG-Orig-Subj: Re: [PATCH v3 00/20] xfsprogs: introduce the free inode btree References: <1397146270-42993-1-git-send-email-bfoster@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1397146270-42993-1-git-send-email-bfoster@redhat.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail04.adl6.internode.on.net[150.101.137.141] X-Barracuda-Start-Time: 1398234961 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.60 X-Barracuda-Spam-Status: No, SCORE=0.60 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=MARKETING_SUBJECT X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5175 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.60 MARKETING_SUBJECT Subject contains popular marketing words On Thu, Apr 10, 2014 at 12:10:50PM -0400, Brian Foster wrote: > Hi all, > > This is the v3 userspace portion of finobt support corresponding to v5 > of the kernel series. > > Patches 1-10 are straight application of the corresponding kernel patches > with omissions where appropriate. I haven't done anything more than passed a quick eye over them and tested them. I'll review them fully in the kernel context, and we can apply any changes to the kernel code directly to them... > Patch 11 adds mkfs support. Patches 12 and 13 provide a couple minor db > and repair fixes to support the new agi fields and calculate the fs > format respectively. Patches 14-18 add real repair support for the > finobt. Patch 19 adds support to report finobt state in xfs_info. Patch > 20 adds support for metadump. > > Thoughts, reviews, flames appreciated. I've made comments on the patches that i think need a bit of work, but all the remainder (11-20) I haven't made any direct comment on you can consider: Reviewed-by: Dave Chinner -- Dave Chinner david@fromorbit.com From gyro.ivan@gmail.com Wed Apr 23 02:23:51 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=FREEMAIL_FROM,T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 2D4597F3F for ; Wed, 23 Apr 2014 02:23:51 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id DFB5D8F804B for ; Wed, 23 Apr 2014 00:23:47 -0700 (PDT) X-ASG-Debug-ID: 1398237825-04bdf0455428a410001-NocioJ Received: from mail-ee0-f46.google.com (mail-ee0-f46.google.com [74.125.83.46]) by cuda.sgi.com with ESMTP id DmBzMKhHRNx8JAXm (version=TLSv1 cipher=RC4-SHA bits=128 verify=NO) for ; Wed, 23 Apr 2014 00:23:46 -0700 (PDT) X-Barracuda-Envelope-From: gyro.ivan@gmail.com X-Barracuda-Apparent-Source-IP: 74.125.83.46 Received: by mail-ee0-f46.google.com with SMTP id t10so400610eei.19 for ; Wed, 23 Apr 2014 00:23:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=message-id:date:from:user-agent:mime-version:to:cc:subject :references:in-reply-to:content-type:content-transfer-encoding; bh=OZaLEPx4RF454N3jMOd7Un3e9Uonu7voW0vIEgg8jxM=; b=Jese46ZANXycqSAW3s/KvyxX5dx3YC+Enw3aVtbnlPzGMHgzS6Sh8o9nO0qGNOE3CO XNpec+grD6AX6cr/X+dtQ6OSoYGpuCogABRId57rUf7KSWZM5YT9bN2WMVMslmNf1df0 zjQmLMAXNlwYAkIBK/m/EKHaMxgnQuVJbDWutI1tacgMUm4gKP5Qw870b/cJljeVgT1t 7EtFJRc8ZMADtFretC5sObuTXMGG+OS6XOx3Q0meud3KXeJtx/YvEImpAEF97lNAgplA N9wDMOQS9d7/Ne/IQL8UMIFhOn8m2PPl06B72slnuXqJaliV+39BccyNI551OPNdZpD7 /z/w== X-Received: by 10.14.180.2 with SMTP id i2mr61315093eem.53.1398237824684; Wed, 23 Apr 2014 00:23:44 -0700 (PDT) Received: from [194.247.192.17] (ivan.eunet.rs. [194.247.192.17]) by mx.google.com with ESMTPSA id 44sm3667052eek.30.2014.04.23.00.23.42 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Wed, 23 Apr 2014 00:23:43 -0700 (PDT) Message-ID: <53576A7D.9020303@gmail.com> Date: Wed, 23 Apr 2014 09:23:41 +0200 From: Ivan Pantovic User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130215 Thunderbird/17.0.3 MIME-Version: 1.0 To: Dave Chinner CC: Speedy Milan , linux-kernel@vger.kernel.org, xfs@oss.sgi.com Subject: Re: rm -f * on large files very slow on XFS + MD RAID 6 volume of 15x 4TB of HDDs (52TB) References: <20140423021835.GI15995@dastard> X-ASG-Orig-Subj: Re: rm -f * on large files very slow on XFS + MD RAID 6 volume of 15x 4TB of HDDs (52TB) In-Reply-To: <20140423021835.GI15995@dastard> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Barracuda-Connect: mail-ee0-f46.google.com[74.125.83.46] X-Barracuda-Start-Time: 1398237825 X-Barracuda-Encrypted: RC4-SHA X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=DKIM_SIGNED, DKIM_VERIFIED X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5176 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- -0.00 DKIM_VERIFIED Domain Keys Identified Mail: signature passes verification 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature > [root@drive-b ~]# xfs_db -r /dev/md0 > xfs_db> frag > actual 11157932, ideal 11015175, fragmentation factor 1.28% > xfs_db> this is current level of fragmentation ... is it bad? some say over 1% is candidate for defrag? ... we can leave it like this and wait for a next full backup and then check on the fragmentation of that file. On 04/23/2014 04:18 AM, Dave Chinner wrote: > [cc xfs@oss.sgi.com] > > On Mon, Apr 21, 2014 at 10:58:53PM +0200, Speedy Milan wrote: >> I want to report very slow deletion of 24 50GB files (in total 12 TB), >> all present in the same folder. > total = 1.2TB? > >> OS is CentOS 6.4, with upgraded kernel 3.13.1. >> >> The hardware is a Supermicro server with 15x 4TB WD Se drives in MD >> RAID 6, totalling 52TB of free space. >> >> XFS is formated directly on the RAID volume, without LVM layers. >> >> Deletion was done with rm -f * command, and it took upwards of 1 hour >> to delete the files. >> >> File system was filled completely prior to deletion. > Oh, that's bad. it's likely you fragmented the files into > millions of extents? > >> rm was mostly waiting (D state), probably for kworker threads, and > No, waiting for IO. > >> iostat was showing big HDD utilization numbers and very low throughput >> so it looked like a random HDD workload was in effect. > Yup, smells like file fragmentation. Non-fragmented 50GB files > should be removed in a few milliseconds. but if you've badly > fragmented the files, there could be 10 million extents in a 50GB > file. A few milliseconds per extent removal gives you.... > > Cheers, > > Dave. From david@fromorbit.com Wed Apr 23 03:11:58 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 8222C7F3F for ; Wed, 23 Apr 2014 03:11:58 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 743E2304051 for ; Wed, 23 Apr 2014 01:11:55 -0700 (PDT) X-ASG-Debug-ID: 1398240712-04cb6c243627ade0001-NocioJ Received: from ipmail04.adl6.internode.on.net (ipmail04.adl6.internode.on.net [150.101.137.141]) by cuda.sgi.com with ESMTP id cI0iBQP0XFvfgFMG for ; Wed, 23 Apr 2014 01:11:53 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.141 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AiZ5ACV1V1N5LEcvPGdsb2JhbABZgwaDZIUKon+UCYVigRYXAwEBAQE4NYIlAQEFOhwjEAgDGAklDwUlAwcaE4hAzzsXFo5CB4Q5BJh0lhkr Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail04.adl6.internode.on.net with ESMTP; 23 Apr 2014 17:41:52 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WcsHW-0003ob-VV; Wed, 23 Apr 2014 18:11:50 +1000 Date: Wed, 23 Apr 2014 18:11:50 +1000 From: Dave Chinner To: Keyur Govande Cc: linux-fsdevel@vger.kernel.org, xfs@oss.sgi.com Subject: Re: XFS fragmentation on file append Message-ID: <20140423081150.GQ18672@dastard> X-ASG-Orig-Subj: Re: XFS fragmentation on file append References: <20140408015012.GB22917@dastard> <20140408053117.GJ27017@dastard> <20140423054719.GJ15995@dastard> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140423054719.GJ15995@dastard> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail04.adl6.internode.on.net[150.101.137.141] X-Barracuda-Start-Time: 1398240712 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5176 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Wed, Apr 23, 2014 at 03:47:19PM +1000, Dave Chinner wrote: > On Tue, Apr 22, 2014 at 07:35:34PM -0400, Keyur Govande wrote: > > I noticed that XFS chooses the AG based on the parent directory's AG > > and only the next sequential one if there's no space available. > > Yes, that's what the inode64 allocator does. It tries to keep files > in the same directory close together. > > @@ -517,7 +517,7 @@ xfs_ialloc_ag_select( > > * to mean that blocks must be allocated for them, > > * if none are currently free. > > */ > > - agno = pagno; > > + agno = ((xfs_agnumber_t) prandom_u32()) % agcount; > > flags = XFS_ALLOC_FLAG_TRYLOCK; > > for (;;) { > > pag = xfs_perag_get(mp, agno); > > Ugh. That might fix the interleaving, but it randomly distributes > related files over the entire filesystem. Hence if you have random > access to the files (like a database does) you now have random seeks > across the entire filesystem rather than within AGs. You basically > destroy any concept of data locality that the filesystem has. BTW, the inode32 allocator (it's a mount option) does this. it's no longer the default because a) it's always had terrible behaviour for general workloads compared to inode64 and b) we don't care enough about 32 bit applications failing to use stat64() anymore to stay with inode32 by default... Cheers, Dave. -- Dave Chinner david@fromorbit.com From david@fromorbit.com Wed Apr 23 03:26:12 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id F147C7F3F for ; Wed, 23 Apr 2014 03:26:11 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id B77EA8F8039 for ; Wed, 23 Apr 2014 01:26:08 -0700 (PDT) X-ASG-Debug-ID: 1398241565-04bdf0455328c320001-NocioJ Received: from ipmail04.adl6.internode.on.net (ipmail04.adl6.internode.on.net [150.101.137.141]) by cuda.sgi.com with ESMTP id UhqPQnWWDWGf1TyJ for ; Wed, 23 Apr 2014 01:26:06 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.141 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: Ao94AOF4V1N5LEcvPGdsb2JhbAA/GoMGT4MVqAMGlAmFYoEWFwMBAQEBODWCJQEBBAE6HCMFCwgDDgoJJQ8FJQMHGhMJiDAHDjbPDxaOQgeEOQSYdJRIgVEr Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail04.adl6.internode.on.net with ESMTP; 23 Apr 2014 17:55:39 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WcsUs-0003qg-IV; Wed, 23 Apr 2014 18:25:38 +1000 Date: Wed, 23 Apr 2014 18:25:38 +1000 From: Dave Chinner To: Ivan Pantovic Cc: Speedy Milan , linux-kernel@vger.kernel.org, xfs@oss.sgi.com Subject: Re: rm -f * on large files very slow on XFS + MD RAID 6 volume of 15x 4TB of HDDs (52TB) Message-ID: <20140423082538.GR18672@dastard> X-ASG-Orig-Subj: Re: rm -f * on large files very slow on XFS + MD RAID 6 volume of 15x 4TB of HDDs (52TB) References: <20140423021835.GI15995@dastard> <53576A7D.9020303@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <53576A7D.9020303@gmail.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail04.adl6.internode.on.net[150.101.137.141] X-Barracuda-Start-Time: 1398241565 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.10 X-Barracuda-Spam-Status: No, SCORE=0.10 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_SA085 X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5177 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.10 BSF_SC0_SA085 Custom Rule SA085 On Wed, Apr 23, 2014 at 09:23:41AM +0200, Ivan Pantovic wrote: > > >[root@drive-b ~]# xfs_db -r /dev/md0 > >xfs_db> frag > >actual 11157932, ideal 11015175, fragmentation factor 1.28% > >xfs_db> > > this is current level of fragmentation ... is it bad? http://xfs.org/index.php/XFS_FAQ#Q:_The_xfs_db_.22frag.22_command_says_I.27m_over_50.25._Is_that_bad.3F > some say over 1% is candidate for defrag? ... Some say that over 70% is usually not a problem: http://www.mythtv.org/wiki/XFS_Filesystem#Defragmenting_XFS_Partitions i.e. the level that becomes are problem is highly workload specific. So, you can't read *anything* in that number without know exactly what is in your filesystem, how the application(s) interact with it and so on. Besides, I was asking specifically about the files you removed, not the files that remain in the filesystem. Given that you have 11 million inodes in the filesystem, you probably removed the only significantly large files in the filesystem.... So, the files your removed are now free space, so free space fragmentation is what we need to look at. i.e. use the freesp command to dump the histogram and summary of the free space... Cheers, Dave. -- Dave Chinner david@fromorbit.com From gyro.ivan@gmail.com Wed Apr 23 04:22:04 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=FREEMAIL_FROM,T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id F41BB7F3F for ; Wed, 23 Apr 2014 04:22:03 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id 854ADAC00A for ; Wed, 23 Apr 2014 02:22:00 -0700 (PDT) X-ASG-Debug-ID: 1398244917-04bdf0455528df20001-NocioJ Received: from mail-we0-f171.google.com (mail-we0-f171.google.com [74.125.82.171]) by cuda.sgi.com with ESMTP id Nyj2DUAxlz2LBL42 (version=TLSv1 cipher=RC4-SHA bits=128 verify=NO) for ; Wed, 23 Apr 2014 02:21:58 -0700 (PDT) X-Barracuda-Envelope-From: gyro.ivan@gmail.com X-Barracuda-Apparent-Source-IP: 74.125.82.171 Received: by mail-we0-f171.google.com with SMTP id t61so573851wes.2 for ; Wed, 23 Apr 2014 02:21:57 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=message-id:date:from:user-agent:mime-version:to:cc:subject :references:in-reply-to:content-type:content-transfer-encoding; bh=Luz99g+H7B4DhfbjyygVlsHrkzdAZ0Is1LHIhNtkezA=; b=YfV+5smtDJ3eCAvEsg2D5+aPFEZqNEM6iqYKkn+zy+CP3uqywvtbpkNnru6dOUEtuS AF7XixI568i3oEbiwF6V4FN5TR3KzvcxOM5PE78y8O9qnuysGSAFxc9K0+NswwfWnX8N rCh4MSNRnnumR2zH9zOfBU49GHdm6OpbIGk9VcKq5pTukAayhvgmYLVIEzyrZPS1lXtq Fw9LmygOeFAL1Ny9lHssRMjGew+ru/CE/r6uwx3JYvbFhSQ5sttbFrY0jbHkbBBrPQsl cqT1wNZtnY0E/vDUFercK8tVbADHzAaZJTgG7tmqklrGaYQv5TpY5HnyVD/OtBAlEzMl u9yQ== X-Received: by 10.180.211.207 with SMTP id ne15mr872974wic.31.1398244916726; Wed, 23 Apr 2014 02:21:56 -0700 (PDT) Received: from [194.247.192.17] (ivan.eunet.rs. [194.247.192.17]) by mx.google.com with ESMTPSA id ga10sm639810wjb.23.2014.04.23.02.21.55 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Wed, 23 Apr 2014 02:21:55 -0700 (PDT) Message-ID: <53578632.1060005@gmail.com> Date: Wed, 23 Apr 2014 11:21:54 +0200 From: Ivan Pantovic User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130215 Thunderbird/17.0.3 MIME-Version: 1.0 To: Dave Chinner CC: Speedy Milan , linux-kernel@vger.kernel.org, xfs@oss.sgi.com Subject: Re: rm -f * on large files very slow on XFS + MD RAID 6 volume of 15x 4TB of HDDs (52TB) References: <20140423021835.GI15995@dastard> <53576A7D.9020303@gmail.com> <20140423082538.GR18672@dastard> X-ASG-Orig-Subj: Re: rm -f * on large files very slow on XFS + MD RAID 6 volume of 15x 4TB of HDDs (52TB) In-Reply-To: <20140423082538.GR18672@dastard> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Barracuda-Connect: mail-we0-f171.google.com[74.125.82.171] X-Barracuda-Start-Time: 1398244918 X-Barracuda-Encrypted: RC4-SHA X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.10 X-Barracuda-Spam-Status: No, SCORE=0.10 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_SA085, DKIM_SIGNED, DKIM_VERIFIED X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5178 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- -0.00 DKIM_VERIFIED Domain Keys Identified Mail: signature passes verification 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature 0.10 BSF_SC0_SA085 Custom Rule SA085 Hi Dave, > xfs_db> freesp > from to extents blocks pct > 1 1 52463 52463 0.00 > 2 3 73270 181394 0.01 > 4 7 134526 739592 0.03 > 8 15 250469 2870193 0.12 > 16 31 581572 13465403 0.58 > 32 63 692386 32096932 1.37 > 64 127 1234204 119157757 5.09 > 128 255 91015 16690243 0.71 > 256 511 18977 6703895 0.29 > 512 1023 12821 8611576 0.37 > 1024 2047 23209 33177541 1.42 > 2048 4095 43282 101126831 4.32 > 4096 8191 12726 55814285 2.39 > 8192 16383 2138 22750157 0.97 > 16384 32767 1033 21790120 0.93 > 32768 65535 433 19852497 0.85 > 65536 131071 254 23052185 0.99 > 131072 262143 204 37833000 1.62 > 262144 524287 229 89970969 3.85 > 524288 1048575 164 124210580 5.31 > 1048576 2097151 130 173193687 7.40 > 2097152 4194303 22 61297862 2.62 > 4194304 8388607 16 97070435 4.15 > 8388608 16777215 26 320475332 13.70 > 16777216 33554431 6 133282461 5.70 > 33554432 67108863 12 616939026 26.37 > 134217728 268435328 1 207504563 8.87 > xfs_db> well now it is quite obvious that file fragmentation was actually the issue. this is what munin has to say about that time frame when files were deleted. http://picpaste.com/df_inode-pinpoint_1397768678_1397876678-kpwd9loR.png http://picpaste.com/df-pinpoint_1397768678_1397876678-pQ7ZCTPu.png although the drives were "only" 50% busy while deleting all those inodes. it's quite interesting how we got there in the first place thanks to bacula backup and some other hardware failure not related to the backup server. On 04/23/2014 10:25 AM, Dave Chinner wrote: > On Wed, Apr 23, 2014 at 09:23:41AM +0200, Ivan Pantovic wrote: >>> [root@drive-b ~]# xfs_db -r /dev/md0 >>> xfs_db> frag >>> actual 11157932, ideal 11015175, fragmentation factor 1.28% >>> xfs_db> >> this is current level of fragmentation ... is it bad? > http://xfs.org/index.php/XFS_FAQ#Q:_The_xfs_db_.22frag.22_command_says_I.27m_over_50.25._Is_that_bad.3F > >> some say over 1% is candidate for defrag? ... > Some say that over 70% is usually not a problem: > > http://www.mythtv.org/wiki/XFS_Filesystem#Defragmenting_XFS_Partitions > > i.e. the level that becomes are problem is highly workload specific. > So, you can't read *anything* in that number without know exactly > what is in your filesystem, how the application(s) interact with it > and so on. > > Besides, I was asking specifically about the files you removed, not > the files that remain in the filesystem. Given that you have 11 > million inodes in the filesystem, you probably removed the only > significantly large files in the filesystem.... > > So, the files your removed are now free space, so free space > fragmentation is what we need to look at. i.e. use the freesp > command to dump the histogram and summary of the free space... > > Cheers, > > Dave. From stewart@flamingspork.com Wed Apr 23 06:49:04 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id B31257F3F for ; Wed, 23 Apr 2014 06:49:04 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id A35938F8039 for ; Wed, 23 Apr 2014 04:49:01 -0700 (PDT) X-ASG-Debug-ID: 1398253736-04cbb06e9a2812f0001-NocioJ Received: from kaylee.flamingspork.com (kaylee.flamingspork.com [74.207.245.61]) by cuda.sgi.com with ESMTP id pDWE5oUvrhpA061O for ; Wed, 23 Apr 2014 04:48:57 -0700 (PDT) X-Barracuda-Envelope-From: stewart@flamingspork.com X-Barracuda-Apparent-Source-IP: 74.207.245.61 Received: from willster.flamingspork.com (localhost [127.0.0.1]) by kaylee.flamingspork.com (Postfix) with ESMTPS id 4743E6053; Wed, 23 Apr 2014 12:04:47 +0000 (UTC) Received: by willster.flamingspork.com (Postfix, from userid 1000) id 92E8433E20F; Wed, 23 Apr 2014 21:48:54 +1000 (EST) From: Stewart Smith To: Keyur Govande , Dave Chinner Cc: linux-fsdevel@vger.kernel.org, xfs@oss.sgi.com Subject: Re: XFS fragmentation on file append In-Reply-To: X-ASG-Orig-Subj: Re: XFS fragmentation on file append References: <20140408015012.GB22917@dastard> <20140408053117.GJ27017@dastard> User-Agent: Notmuch/0.16 (http://notmuchmail.org) Emacs/24.3.1 (x86_64-redhat-linux-gnu) Date: Wed, 23 Apr 2014 21:48:54 +1000 Message-ID: <874n1k466x.fsf@flamingspork.com> MIME-Version: 1.0 Content-Type: multipart/signed; boundary="=-=-="; micalg=pgp-sha1; protocol="application/pgp-signature" X-Barracuda-Connect: kaylee.flamingspork.com[74.207.245.61] X-Barracuda-Start-Time: 1398253736 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5181 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- --=-=-= Content-Type: text/plain Content-Transfer-Encoding: quoted-printable Keyur Govande writes: > I spent some more time figuring out the MySQL write semantics and it > doesn't open/close files often and initial test script was incorrect. MySQL will open/close files depending on some configuration parameters and the number of tables that exist/are open/are in the working set. If InnoDB tables, it's innodb_max_open_files (IIRC it's named that, or something similar). If you have less than that number of tables and innodb_file_per_table=3Dtrue, then you'll never close. If you have the max set to 10 times the working set of active tables, you're going to be opening and closing files a lot - it's basically a LRU of unused tables (open files). > It uses O_DIRECT and appends to the file; I modified my test binary to > take this into account here: > https://gist.github.com/keyurdg/54e0613e27dbe7946035 You can also make it not use O_DIRECT, but that's generally a bad idea :) =2D-=20 Stewart Smith --=-=-= Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAEBAgAGBQJTV6imAAoJEP08notdpDyvZ1QP/iYNntG9pkpy+gSuAvh+HG8f LwjaHSHAgUAggm15pU0IZxGg4ycaIZROxDtgaycdMSdlQymLj5DdalbJCZvgSrz8 GIUq8IWGQFTeGfTaRuqTzckP00dtRXNrmD+6E+kBWPfqJ7QFg7BG3dlbMD3+bL1n Xz3CnoVMZAPV+R+gI5TBO7N6WEa1F2JeHuFHc/9Jsr0NOc+DJwIGCp4GTz2W3szS zkQDL+qdMR2yfoFXpuU/3ND9gP/Y+sRAvLmSPQ6K7JEoeXqqs6JLyQ+RnOPzudFc VWJZAEAf32252bSXaf1KbKUBu+hozUY2SDxnD/iLFKft47JJx0J/oluBqiwAXyRg MfN398fxRSGS4TxttR8WFuLZAC1mc5SIUvoZPyLmCTxV+OJcDaOPRfBPYcqOEF4I 9joqEubyJpx0BPmDHbFASIAqyIr2+9XczbDqAFte94A3TEqUuCR0FRoKp7WYyucy fnFC7RyODUm4u6kmjQf+y0B+XfqrvTILiGF0daj167RkrBpjgeR66EZGr0WCmWr7 lusFOLWBsYCEXQWGeCAK/B5LETWaN0DlweM5W/0TmOmdL5DBX2k5/LGX4KpHI6RJ U6sTGZxqlH53bD6q9/80H1AHMpMJGdybWm+JntB36hx/N+WIFO+j5LD35ixUGRFP zCr24FeQYG3iqo9eeGP4 =G4dl -----END PGP SIGNATURE----- --=-=-=-- From BATV+5d7459ea5c48f730247a+3895+infradead.org+hch@bombadil.srs.infradead.org Wed Apr 23 10:21:51 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id DF89D7F52 for ; Wed, 23 Apr 2014 10:21:51 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id B254F304051 for ; Wed, 23 Apr 2014 08:21:48 -0700 (PDT) X-ASG-Debug-ID: 1398266507-04bdf0455229dc90001-NocioJ Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) by cuda.sgi.com with ESMTP id fNvh4jCSQ8AGpuXR (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Wed, 23 Apr 2014 08:21:47 -0700 (PDT) X-Barracuda-Envelope-From: BATV+5d7459ea5c48f730247a+3895+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.80.1 #2 (Red Hat Linux)) id 1Wcyza-0006xq-O0; Wed, 23 Apr 2014 15:21:46 +0000 Date: Wed, 23 Apr 2014 08:21:46 -0700 From: Christoph Hellwig To: Dave Chinner Cc: xfs@oss.sgi.com Subject: Re: [PATCH 1/6] generic/204: tweak reserve pool size Message-ID: <20140423152146.GA26128@infradead.org> X-ASG-Orig-Subj: Re: [PATCH 1/6] generic/204: tweak reserve pool size References: <1398204274-2113-1-git-send-email-david@fromorbit.com> <1398204274-2113-2-git-send-email-david@fromorbit.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1398204274-2113-2-git-send-email-david@fromorbit.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html X-Barracuda-Connect: bombadil.infradead.org[198.137.202.9] X-Barracuda-Start-Time: 1398266507 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.60 X-Barracuda-Spam-Status: No, SCORE=0.60 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=MARKETING_SUBJECT X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5185 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.60 MARKETING_SUBJECT Subject contains popular marketing words On Wed, Apr 23, 2014 at 08:04:29AM +1000, Dave Chinner wrote: > From: Dave Chinner > > On small block size filesystems, the reserve pool size is kept > constant at 4MB. filesystems with smaller blocks use comparitively > more blocks for indexing metadata (e.g. in the inode and extent > btrees) and so having a higher indirect block usage. Hence we need > to leave the reserve pool at 1024 block and not scale it for a > constant size. > > This makes the test pass on a filesystem made with MKFS_OPTIONS="-b > size=1024 -m crc=1". Looks good, Reviewed-by: Christoph Hellwig From BATV+5d7459ea5c48f730247a+3895+infradead.org+hch@bombadil.srs.infradead.org Wed Apr 23 10:22:03 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 1BB497F52 for ; Wed, 23 Apr 2014 10:22:03 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id D74698F8066 for ; Wed, 23 Apr 2014 08:21:59 -0700 (PDT) X-ASG-Debug-ID: 1398266518-04bdf0455429dcd0001-NocioJ Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) by cuda.sgi.com with ESMTP id nCQnOZ3vfqtiABUh (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Wed, 23 Apr 2014 08:21:58 -0700 (PDT) X-Barracuda-Envelope-From: BATV+5d7459ea5c48f730247a+3895+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.80.1 #2 (Red Hat Linux)) id 1Wcyzm-000709-JR; Wed, 23 Apr 2014 15:21:58 +0000 Date: Wed, 23 Apr 2014 08:21:58 -0700 From: Christoph Hellwig To: Dave Chinner Cc: xfs@oss.sgi.com Subject: Re: [PATCH 2/6] shared/051: remove ACL count subtest Message-ID: <20140423152158.GB26128@infradead.org> X-ASG-Orig-Subj: Re: [PATCH 2/6] shared/051: remove ACL count subtest References: <1398204274-2113-1-git-send-email-david@fromorbit.com> <1398204274-2113-3-git-send-email-david@fromorbit.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1398204274-2113-3-git-send-email-david@fromorbit.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html X-Barracuda-Connect: bombadil.infradead.org[198.137.202.9] X-Barracuda-Start-Time: 1398266518 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5185 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Wed, Apr 23, 2014 at 08:04:30AM +1000, Dave Chinner wrote: > From: Dave Chinner > > Different versions of XFS support different numbers of ACLs on disk. > Remove that subtest from this shared test to prevent it form causing > spurious failures on filesystems that support more than 25 ACLs. > > Signed-off-by: Dave Chinner Looks good, Reviewed-by: Christoph Hellwig From BATV+5d7459ea5c48f730247a+3895+infradead.org+hch@bombadil.srs.infradead.org Wed Apr 23 10:23:15 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id A6BE77F52 for ; Wed, 23 Apr 2014 10:23:15 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 4183EAC001 for ; Wed, 23 Apr 2014 08:23:15 -0700 (PDT) X-ASG-Debug-ID: 1398266593-04cbb06e9d28a520001-NocioJ Received: from bombadil.infradead.org ([198.137.202.9]) by cuda.sgi.com with ESMTP id WS0UEyLFjS507UEa (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Wed, 23 Apr 2014 08:23:13 -0700 (PDT) X-Barracuda-Envelope-From: BATV+5d7459ea5c48f730247a+3895+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.80.1 #2 (Red Hat Linux)) id 1Wcz0z-0007J2-6R; Wed, 23 Apr 2014 15:23:13 +0000 Date: Wed, 23 Apr 2014 08:23:13 -0700 From: Christoph Hellwig To: Dave Chinner Cc: xfs@oss.sgi.com Subject: Re: [PATCH 3/6] xfs: introduce new large ACL test Message-ID: <20140423152313.GC26128@infradead.org> X-ASG-Orig-Subj: Re: [PATCH 3/6] xfs: introduce new large ACL test References: <1398204274-2113-1-git-send-email-david@fromorbit.com> <1398204274-2113-4-git-send-email-david@fromorbit.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1398204274-2113-4-git-send-email-david@fromorbit.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html X-Barracuda-Connect: UNKNOWN[198.137.202.9] X-Barracuda-Start-Time: 1398266593 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.10 X-Barracuda-Spam-Status: No, SCORE=0.10 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=RDNS_NONE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5185 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.10 RDNS_NONE Delivered to trusted network by a host with no rDNS On Wed, Apr 23, 2014 at 08:04:31AM +1000, Dave Chinner wrote: > From: Dave Chinner > > Having just removed the largeacl test from the shared ACL test, > reintroduce the same test as an XFS specific test so that we can > handle the different limits in supported ACL count appropriately. I'd prefer to have this as a shared test, and define a _max_acl_size function in common.acl that does a switch for the fs type. Only start with XFS for now, but if the maintainers of other filesystems care enough they could add their limits. From BATV+5d7459ea5c48f730247a+3895+infradead.org+hch@bombadil.srs.infradead.org Wed Apr 23 10:23:37 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id AACAD7F52 for ; Wed, 23 Apr 2014 10:23:37 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 8F1D08F804B for ; Wed, 23 Apr 2014 08:23:37 -0700 (PDT) X-ASG-Debug-ID: 1398266616-04cb6c243728c730001-NocioJ Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) by cuda.sgi.com with ESMTP id 97h6qumpBGKwAE4N (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Wed, 23 Apr 2014 08:23:36 -0700 (PDT) X-Barracuda-Envelope-From: BATV+5d7459ea5c48f730247a+3895+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.80.1 #2 (Red Hat Linux)) id 1Wcz1M-0007PO-FN; Wed, 23 Apr 2014 15:23:36 +0000 Date: Wed, 23 Apr 2014 08:23:36 -0700 From: Christoph Hellwig To: Dave Chinner Cc: xfs@oss.sgi.com Subject: Re: [PATCH 4/6] generic: cleanup space after test in TESTDIR Message-ID: <20140423152336.GD26128@infradead.org> X-ASG-Orig-Subj: Re: [PATCH 4/6] generic: cleanup space after test in TESTDIR References: <1398204274-2113-1-git-send-email-david@fromorbit.com> <1398204274-2113-5-git-send-email-david@fromorbit.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1398204274-2113-5-git-send-email-david@fromorbit.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html X-Barracuda-Connect: bombadil.infradead.org[198.137.202.9] X-Barracuda-Start-Time: 1398266616 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.60 X-Barracuda-Spam-Status: No, SCORE=0.60 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=MARKETING_SUBJECT X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5185 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.60 MARKETING_SUBJECT Subject contains popular marketing words On Wed, Apr 23, 2014 at 08:04:32AM +1000, Dave Chinner wrote: > From: Dave Chinner > > A couple of tests leave behind large files or directory structures > when they complete, which leads to small TEST_DEVs running out of > space during other tests. Make those space hogs clean up after > themselves so that random tests don't fail with ENOSPC errors. > > Signed-off-by: Dave Chinner Looks good, Reviewed-by: Christoph Hellwig From BATV+5d7459ea5c48f730247a+3895+infradead.org+hch@bombadil.srs.infradead.org Wed Apr 23 10:24:45 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id B33E87F52 for ; Wed, 23 Apr 2014 10:24:45 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 976548F8066 for ; Wed, 23 Apr 2014 08:24:45 -0700 (PDT) X-ASG-Debug-ID: 1398266684-04cbb06e9a28a6c0001-NocioJ Received: from bombadil.infradead.org ([198.137.202.9]) by cuda.sgi.com with ESMTP id OrcBy48rZ3xlQZiB (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Wed, 23 Apr 2014 08:24:44 -0700 (PDT) X-Barracuda-Envelope-From: BATV+5d7459ea5c48f730247a+3895+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.80.1 #2 (Red Hat Linux)) id 1Wcz2S-0007pe-74; Wed, 23 Apr 2014 15:24:44 +0000 Date: Wed, 23 Apr 2014 08:24:44 -0700 From: Christoph Hellwig To: Dave Chinner Cc: xfs@oss.sgi.com Subject: Re: [PATCH 5/6] xfs: remove dmapi tests from the auto group Message-ID: <20140423152444.GE26128@infradead.org> X-ASG-Orig-Subj: Re: [PATCH 5/6] xfs: remove dmapi tests from the auto group References: <1398204274-2113-1-git-send-email-david@fromorbit.com> <1398204274-2113-6-git-send-email-david@fromorbit.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1398204274-2113-6-git-send-email-david@fromorbit.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html X-Barracuda-Connect: UNKNOWN[198.137.202.9] X-Barracuda-Start-Time: 1398266684 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.10 X-Barracuda-Spam-Status: No, SCORE=0.10 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=RDNS_NONE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5185 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.10 RDNS_NONE Delivered to trusted network by a host with no rDNS On Wed, Apr 23, 2014 at 08:04:33AM +1000, Dave Chinner wrote: > From: Dave Chinner > > There is no mainline kernel support for DMAPI in XFS, and so every > time the xfstests auto group is run it throws a large number of > "[not run] Assuming DMAPI modules are not loaded". I've noted that > people are excluding the dmapi group to avoid this, so rather than > inflict pain on everyone, make hose few that need to do dmapi > testing include it specifically. > > IOWs, remove the DMAPI tests from the auto group. > > Signed-off-by: Dave Chinner Yes, we shouldn't run them by default. They also probably should move from the tests/xfs/ dir to a new tests/dmapi one as they aren't really XFS specific, they are specific to the out of tree dmapi code which at one point could also support JFS. Reviewed-by: Christoph Hellwig From BATV+5d7459ea5c48f730247a+3895+infradead.org+hch@bombadil.srs.infradead.org Wed Apr 23 10:24:59 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 4C6797F52 for ; Wed, 23 Apr 2014 10:24:59 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 230AE8F804B for ; Wed, 23 Apr 2014 08:24:59 -0700 (PDT) X-ASG-Debug-ID: 1398266698-04cb6c243828c8d0001-NocioJ Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) by cuda.sgi.com with ESMTP id ETl7iuHRKlGGwkvJ (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Wed, 23 Apr 2014 08:24:58 -0700 (PDT) X-Barracuda-Envelope-From: BATV+5d7459ea5c48f730247a+3895+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.80.1 #2 (Red Hat Linux)) id 1Wcz2f-0007va-Va; Wed, 23 Apr 2014 15:24:57 +0000 Date: Wed, 23 Apr 2014 08:24:57 -0700 From: Christoph Hellwig To: Dave Chinner Cc: xfs@oss.sgi.com Subject: Re: [PATCH 6/6] filter: xfs_repair emits new corruption messagse Message-ID: <20140423152457.GF26128@infradead.org> X-ASG-Orig-Subj: Re: [PATCH 6/6] filter: xfs_repair emits new corruption messagse References: <1398204274-2113-1-git-send-email-david@fromorbit.com> <1398204274-2113-7-git-send-email-david@fromorbit.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1398204274-2113-7-git-send-email-david@fromorbit.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html X-Barracuda-Connect: bombadil.infradead.org[198.137.202.9] X-Barracuda-Start-Time: 1398266698 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5185 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Wed, Apr 23, 2014 at 08:04:34AM +1000, Dave Chinner wrote: > From: Dave Chinner > > xfs_repair now dumps metadata and CRC corruption information to the > output from the verifier infrastrcuture. Filter this out so that it > doesn't cause spurious test failures such as in xfs/030 and xfs/033. > > Signed-off-by: Dave Chinner Looks good, Reviewed-by: Christoph Hellwig From BATV+5d7459ea5c48f730247a+3895+infradead.org+hch@bombadil.srs.infradead.org Wed Apr 23 10:27:11 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id C17DB7F52 for ; Wed, 23 Apr 2014 10:27:11 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id 4BC19AC001 for ; Wed, 23 Apr 2014 08:27:11 -0700 (PDT) X-ASG-Debug-ID: 1398266830-04bdf0455429e440001-NocioJ Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) by cuda.sgi.com with ESMTP id R6f4RFXDA0Zwx8cn (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Wed, 23 Apr 2014 08:27:10 -0700 (PDT) X-Barracuda-Envelope-From: BATV+5d7459ea5c48f730247a+3895+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.80.1 #2 (Red Hat Linux)) id 1Wcz4m-0001M6-AR; Wed, 23 Apr 2014 15:27:08 +0000 Date: Wed, 23 Apr 2014 08:27:08 -0700 From: Christoph Hellwig To: Eric Sandeen Cc: Eric Sandeen , xfs-oss , Jan Kara Subject: Re: [PATCH V2] xfs: fix Q_XQUOTARM ioctl Message-ID: <20140423152708.GA3326@infradead.org> X-ASG-Orig-Subj: Re: [PATCH V2] xfs: fix Q_XQUOTARM ioctl References: <535580A1.20806@redhat.com> <5356B986.2060906@sandeen.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <5356B986.2060906@sandeen.net> User-Agent: Mutt/1.5.21 (2010-09-15) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html X-Barracuda-Connect: bombadil.infradead.org[198.137.202.9] X-Barracuda-Start-Time: 1398266830 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5185 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Tue, Apr 22, 2014 at 01:48:38PM -0500, Eric Sandeen wrote: > The Q_XQUOTARM quotactl was not working properly, because > we weren't passing around proper flags. The xfs_fs_set_xstate() > ioctl handler used the same flags for Q_XQUOTAON/OFF as > well as for Q_XQUOTARM, but Q_XQUOTAON/OFF look for > XFS_UQUOTA_ACCT, XFS_UQUOTA_ENFD, XFS_GQUOTA_ACCT etc, > i.e. quota type + state, while Q_XQUOTARM looks only for > the type of quota, i.e. XFS_DQ_USER, XFS_DQ_GROUP etc. > > Unfortunately these flag spaces overlap a bit, so we > got semi-random results for Q_XQUOTARM; i.e. the value > for XFS_DQ_USER == XFS_UQUOTA_ACCT, etc. yeargh. > > Add a new quotactl op vector specifically for the QUOTARM > operation, since it operates with a different flag space. > > This has been broken more or less forever, AFAICT. > > Signed-off-by: Eric Sandeen Looks good for now: Reviewed-by: Christoph Hellwig If you have a spare cycle or two I think splitting quotaon and quotaoff might not be an all that bad idea either. From sandeen@sandeen.net Wed Apr 23 10:28:59 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 1E5FD7F52 for ; Wed, 23 Apr 2014 10:28:59 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 041968F8066 for ; Wed, 23 Apr 2014 08:28:58 -0700 (PDT) X-ASG-Debug-ID: 1398266937-04cb6c243728cdc0001-NocioJ Received: from sandeen.net (sandeen.net [63.231.237.45]) by cuda.sgi.com with ESMTP id yyjIwkG7txczCVSG for ; Wed, 23 Apr 2014 08:28:57 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@sandeen.net X-Barracuda-Apparent-Source-IP: 63.231.237.45 Received: from liberator.sandeen.net (liberator.sandeen.net [10.0.0.4]) (using TLSv1 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (No client certificate requested) by sandeen.net (Postfix) with ESMTPSA id E607F63C5FF0; Wed, 23 Apr 2014 10:28:56 -0500 (CDT) Message-ID: <5357DC3A.6060702@sandeen.net> Date: Wed, 23 Apr 2014 10:28:58 -0500 From: Eric Sandeen User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:24.0) Gecko/20100101 Thunderbird/24.4.0 MIME-Version: 1.0 To: Christoph Hellwig CC: Eric Sandeen , Jan Kara , xfs-oss Subject: Re: [PATCH V2] xfs: fix Q_XQUOTARM ioctl References: <535580A1.20806@redhat.com> <5356B986.2060906@sandeen.net> <20140423152708.GA3326@infradead.org> X-ASG-Orig-Subj: Re: [PATCH V2] xfs: fix Q_XQUOTARM ioctl In-Reply-To: <20140423152708.GA3326@infradead.org> X-Enigmail-Version: 1.6 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Barracuda-Connect: sandeen.net[63.231.237.45] X-Barracuda-Start-Time: 1398266937 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5185 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On 4/23/14, 10:27 AM, Christoph Hellwig wrote: > On Tue, Apr 22, 2014 at 01:48:38PM -0500, Eric Sandeen wrote: >> The Q_XQUOTARM quotactl was not working properly, because >> we weren't passing around proper flags. The xfs_fs_set_xstate() >> ioctl handler used the same flags for Q_XQUOTAON/OFF as >> well as for Q_XQUOTARM, but Q_XQUOTAON/OFF look for >> XFS_UQUOTA_ACCT, XFS_UQUOTA_ENFD, XFS_GQUOTA_ACCT etc, >> i.e. quota type + state, while Q_XQUOTARM looks only for >> the type of quota, i.e. XFS_DQ_USER, XFS_DQ_GROUP etc. >> >> Unfortunately these flag spaces overlap a bit, so we >> got semi-random results for Q_XQUOTARM; i.e. the value >> for XFS_DQ_USER == XFS_UQUOTA_ACCT, etc. yeargh. >> >> Add a new quotactl op vector specifically for the QUOTARM >> operation, since it operates with a different flag space. >> >> This has been broken more or less forever, AFAICT. >> >> Signed-off-by: Eric Sandeen > > Looks good for now: > > Reviewed-by: Christoph Hellwig > > If you have a spare cycle or two I think splitting quotaon and quotaoff might > not be an all that bad idea either. Just out of curiousity, for what reason - just parity w/ the non-xfs ops? -Eric From BATV+5d7459ea5c48f730247a+3895+infradead.org+hch@bombadil.srs.infradead.org Wed Apr 23 10:36:41 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 2DB057F52 for ; Wed, 23 Apr 2014 10:36:41 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id F2F55304043 for ; Wed, 23 Apr 2014 08:36:40 -0700 (PDT) X-ASG-Debug-ID: 1398267399-04cb6c243728d8c0001-NocioJ Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) by cuda.sgi.com with ESMTP id R7yIKy0lBlsZQf52 (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Wed, 23 Apr 2014 08:36:39 -0700 (PDT) X-Barracuda-Envelope-From: BATV+5d7459ea5c48f730247a+3895+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.80.1 #2 (Red Hat Linux)) id 1WczDz-0001Fo-E4; Wed, 23 Apr 2014 15:36:39 +0000 Date: Wed, 23 Apr 2014 08:36:39 -0700 From: Christoph Hellwig To: Jeff Liu Cc: "xfs@oss.sgi.com" Subject: Re: [PATCH v2 03/10] xfs: consolidate xfs_inumbers Message-ID: <20140423153639.GB3326@infradead.org> X-ASG-Orig-Subj: Re: [PATCH v2 03/10] xfs: consolidate xfs_inumbers References: <535078B2.8010601@oracle.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <535078B2.8010601@oracle.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html X-Barracuda-Connect: bombadil.infradead.org[198.137.202.9] X-Barracuda-Start-Time: 1398267399 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5185 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Fri, Apr 18, 2014 at 08:58:26AM +0800, Jeff Liu wrote: > From: Jie Liu > > To fetch the file system number tables, we currently just ignore the > errors and proceed to loop over the next AG or bump agino to the next > chunk in case of btree operations failed, that is not properly because > those errors might hint us potential file system problems. > > This patch rework xfs_inumbers() to handle the btree operation errors > as well as the loop conditions. Also, add pre-checkups for the given > inode, we can save alloc/free the format buffer once against an invalid > inode number. The patch looks mostly good to me, but I really think it should be split into two patches: one to do the formatting changes and code consolidation, and then one that does the actual logic changes for better error handling. It's not easy to understand and verify with these two different changes combined. > xfs_inumbers_fmt( > void __user *ubuffer, /* buffer to write to */ > - const xfs_inogrp_t *buffer, /* buffer to read from */ > + const struct xfs_inogrp *buffer, /* buffer to read from */ > long count, /* # of elements to read */ > long *written) /* # of bytes written */ > { > if (copy_to_user(ubuffer, buffer, count * sizeof(*buffer))) > - return -EFAULT; > + return XFS_ERROR(EFAULT); xfs_inumbers_fmt_compat will need the same treatment. > *count = 0; > + if (agno >= mp->m_sb.sb_agcount || > + *lastino != XFS_AGINO_TO_INO(mp, agno, agino)) > + return 0; Where is the lastino check coming from? > buffer = kmem_alloc(bcount * sizeof(*buffer), KM_SLEEP); > + bufidx = error = 0; Why not initialize bufidx and error at declaration time? > + error = xfs_inobt_get_rec(cur, &r, &stat); > + if (error || !stat) > + break; The old code moved on to the next AG here, why has this changed? From BATV+5d7459ea5c48f730247a+3895+infradead.org+hch@bombadil.srs.infradead.org Wed Apr 23 10:39:59 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id A8A857F52 for ; Wed, 23 Apr 2014 10:39:59 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 8E7738F8049 for ; Wed, 23 Apr 2014 08:39:59 -0700 (PDT) X-ASG-Debug-ID: 1398267598-04cb6c243728dd30001-NocioJ Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) by cuda.sgi.com with ESMTP id UsYC4dUNd7R4UTJW (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Wed, 23 Apr 2014 08:39:58 -0700 (PDT) X-Barracuda-Envelope-From: BATV+5d7459ea5c48f730247a+3895+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.80.1 #2 (Red Hat Linux)) id 1WczHA-0003bz-Ov; Wed, 23 Apr 2014 15:39:56 +0000 Date: Wed, 23 Apr 2014 08:39:56 -0700 From: Christoph Hellwig To: Eric Sandeen Cc: Christoph Hellwig , Eric Sandeen , Jan Kara , xfs-oss Subject: Re: [PATCH V2] xfs: fix Q_XQUOTARM ioctl Message-ID: <20140423153956.GA11809@infradead.org> X-ASG-Orig-Subj: Re: [PATCH V2] xfs: fix Q_XQUOTARM ioctl References: <535580A1.20806@redhat.com> <5356B986.2060906@sandeen.net> <20140423152708.GA3326@infradead.org> <5357DC3A.6060702@sandeen.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <5357DC3A.6060702@sandeen.net> User-Agent: Mutt/1.5.21 (2010-09-15) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html X-Barracuda-Connect: bombadil.infradead.org[198.137.202.9] X-Barracuda-Start-Time: 1398267598 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5185 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Wed, Apr 23, 2014 at 10:28:58AM -0500, Eric Sandeen wrote: > Just out of curiousity, for what reason - just parity w/ the non-xfs > ops? Because it's just cleaner to have one methods for one operation instead of overloading them with different opts like an ioctl. From keyurgovande@gmail.com Wed Apr 23 14:05:12 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=FREEMAIL_FROM,T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id A19F77F52 for ; Wed, 23 Apr 2014 14:05:12 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 158C1AC004 for ; Wed, 23 Apr 2014 12:05:09 -0700 (PDT) X-ASG-Debug-ID: 1398279901-04cbb06e9a299e70001-NocioJ Received: from mail-we0-f181.google.com (mail-we0-f181.google.com [74.125.82.181]) by cuda.sgi.com with ESMTP id LT7vvgvSVrDrIQZh (version=TLSv1 cipher=RC4-SHA bits=128 verify=NO) for ; Wed, 23 Apr 2014 12:05:02 -0700 (PDT) X-Barracuda-Envelope-From: keyurgovande@gmail.com X-Barracuda-Apparent-Source-IP: 74.125.82.181 Received: by mail-we0-f181.google.com with SMTP id q58so1237222wes.26 for ; Wed, 23 Apr 2014 12:05:01 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=PcS1RxDCiSgeOHmZpKrWKW3gyaM8uDR68xqd3ydMd24=; b=h/nMsM7pvouOtWd3ElX5b/eQZeUYNT/cvOYZ/KZhehod+TgS5fJcSDicdKxLD/U5q+ pSYCHQlAaJtb37T6xkh99uvkGej/DpelTd24h6OoJCRvze1QYr9NeYx3mn2BcEMK/bJq JKiBx9gOY7UiBgNgSmEH0DJ6Qof2fjwFqiDvG0GS2geVAikMt77MD2qnASqkFlqYhdL4 jkwU1HRNTuzqnrKNloo/6yrEl1ZILsKFeuP7+4qnomFuk8AFydiWg9Z3OVy93jO+tF5d U0jEAbu8z1QBD1hH5yis5Df2BjfPpvxHL02EWd22Q/mkEsuwI9NO9sfKAhNOQ6BKLTqe zRJg== MIME-Version: 1.0 X-Received: by 10.194.59.226 with SMTP id c2mr40089411wjr.6.1398279900968; Wed, 23 Apr 2014 12:05:00 -0700 (PDT) Received: by 10.227.97.136 with HTTP; Wed, 23 Apr 2014 12:05:00 -0700 (PDT) In-Reply-To: <20140423054719.GJ15995@dastard> References: <20140408015012.GB22917@dastard> <20140408053117.GJ27017@dastard> <20140423054719.GJ15995@dastard> Date: Wed, 23 Apr 2014 15:05:00 -0400 Message-ID: Subject: Re: XFS fragmentation on file append From: Keyur Govande X-ASG-Orig-Subj: Re: XFS fragmentation on file append To: Dave Chinner Cc: linux-fsdevel@vger.kernel.org, xfs@oss.sgi.com Content-Type: text/plain; charset=UTF-8 X-Barracuda-Connect: mail-we0-f181.google.com[74.125.82.181] X-Barracuda-Start-Time: 1398279902 X-Barracuda-Encrypted: RC4-SHA X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-BRTS-Evidence: tsunanet.net X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=DKIM_SIGNED, DKIM_VERIFIED X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5192 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- -0.00 DKIM_VERIFIED Domain Keys Identified Mail: signature passes verification 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature < re-sending to the distribution list for future reference > On Wed, Apr 23, 2014 at 1:47 AM, Dave Chinner wrote: > On Tue, Apr 22, 2014 at 07:35:34PM -0400, Keyur Govande wrote: >> On Tue, Apr 8, 2014 at 1:31 AM, Dave Chinner wrote: >> > On Mon, Apr 07, 2014 at 11:42:02PM -0400, Keyur Govande wrote: >> >> On Mon, Apr 7, 2014 at 9:50 PM, Dave Chinner wrote: >> >> > [cc the XFS mailing list ] >> >> > >> >> > On Mon, Apr 07, 2014 at 06:53:46PM -0400, Keyur Govande wrote: >> >> >> Hello, >> >> >> >> >> >> I'm currently investigating a MySQL performance degradation on XFS due >> >> >> to file fragmentation. > ..... >> >> > Alternatively, set an extent size hint on the log files to define >> >> > the minimum sized allocation (e.g. 32MB) and this will limit >> >> > fragmentation without you having to modify the MySQL code at all... > ..... >> I spent some more time figuring out the MySQL write semantics and it >> doesn't open/close files often and initial test script was incorrect. >> >> It uses O_DIRECT and appends to the file; I modified my test binary to > ..... >> [root@dbtest09 linux-3.10.37]# xfs_io -c "extsize " /var/lib/mysql/xfs/ >> [0] /var/lib/mysql/xfs/ > > So you aren't using extent size hints.... > >> >> Here's how the first 3 AG's look like: >> https://gist.github.com/keyurdg/82b955fb96b003930e4f >> >> After a run of the dpwrite program, here's how the bmap looks like: >> https://gist.github.com/keyurdg/11196897 >> >> The files have nicely interleaved with each other, mostly >> XFS_IEXT_BUFSZ size extents. > > XFS_IEXT_BUFSZ Has nothing to do with the size of allocations. It's > the size of the in memory array buffer used to hold extent records. > > What you are seeing is allocation interleaving according to the > pattern and size of the direct IOs being done by the application. > Which happen to be 512KB (1024 basic blocks) and the file being > written to is randomly selected. > I misspoke; I meant to say XFS_IEXT_BUFSZ (4096) blocks per extent. As long as each pwrite is less than 2 MB, the extents do lay out in 4096 blocks every time. >> The average read speed is 724 MBps. After >> defragmenting the file to 1 extent, the speed improves 30% to 1.09 >> GBps. > > Sure. Now set an extent size hint of 32MB and try again. I did these runs as well going by your last email suggestion, but I was more interested in what you thought about the other ideas so didn't include the results. 32MB gives 850 MBps and 64MB hits 980MBps. The peak read rate from the hardware for a contiguous file is 1.45 GBps. I could keep on increasing it until I hit a number I like, but I was looking to see if it could be globally optimized. > >> I noticed that XFS chooses the AG based on the parent directory's AG >> and only the next sequential one if there's no space available. > > Yes, that's what the inode64 allocator does. It tries to keep files > in the same directory close together. > >> A >> small patch that chooses the AG randomly fixes the fragmentation issue >> very nicely. All of the MySQL data files are in a single directory and >> we see this in Production where a parent inode AG is filled, then the >> sequential next, and so on. >> >> diff --git a/fs/xfs/xfs_ialloc.c b/fs/xfs/xfs_ialloc.c >> index c8f5ae1..7841509 100644 >> --- a/fs/xfs/xfs_ialloc.c >> +++ b/fs/xfs/xfs_ialloc.c >> @@ -517,7 +517,7 @@ xfs_ialloc_ag_select( >> * to mean that blocks must be allocated for them, >> * if none are currently free. >> */ >> - agno = pagno; >> + agno = ((xfs_agnumber_t) prandom_u32()) % agcount; >> flags = XFS_ALLOC_FLAG_TRYLOCK; >> for (;;) { >> pag = xfs_perag_get(mp, agno); > > Ugh. That might fix the interleaving, but it randomly distributes > related files over the entire filesystem. Hence if you have random > access to the files (like a database does) you now have random seeks > across the entire filesystem rather than within AGs. You basically > destroy any concept of data locality that the filesystem has. I realize this is terrible for small files like a source code tree, but for a database which usually has a many large files in the same directory the seek cost is amortized by the benefit from a large contiguous read. Would it be terrible to have this modifiable as a setting (like extsize is) with the default being the inode64 behavior? > >> I couldn't find guidance on the internet on how many allocation groups >> to use for a 2 TB partition, > > I've already given guidance on that. Choose to ignore it if you > will... > Could you repeat it or post a link? The only relevant info I found via Google is using as many AGs as hardware threads (http://blog.tsunanet.net/2011/08/mkfsxfs-raid10-optimal-performance.html). >> but this random selection won't scale for >> many hundreds of concurrently written files, but for a few heavily >> writtent-to files it works nicely. >> >> I noticed that for non-DIRECT_IO + every write fsync'd, XFS would >> cleverly keep doubling the allocation block size as the file kept >> growing. > > That's the behaviour of delayed allocation. By using buffered IO, > the application has delegated all responisbility of optimal layout > of the file to the filesystem, and this is the method XFS uses to > minimise fragmentation in that case. > > Direct IO does not have delayed allocation - it allocates for the > current IO according to the bounds given by the IO, inode extent size > hints and alignment characteristic of the filesystem. It does not do > specualtive allocation at all. > > The principle of direct IO to do exactly what the application asked, > not to second guess what the application *might* need. Either the > application delegates everything to the filesystem (i.e. buffered > IO) or it assumes full responsibility for allocation behaviour and > IO coherency (i.e. direct IO). > > IOWs, If you need to preallocate space beyond EOF that doubles in > size as the file grows to prevent fragmentation, then the > application should be calling fallocate(FALLOC_FL_KEEP_SIZE) at > the appropriate times or using extent size hints to define the > minimum allocation sizes for the direct IO. > >> The "extsize" option seems to me a bit too static because the size of >> tables we use varies widely and large new tables come and goe > > You can set the extsize per file at create time, but really, you > only need to set the extent size just large enough to obtain maximal > read speeds. > >> Could the same doubling logic be applied for DIRECT_IO writes as well? > > I don't think so. It would break many carefully tuned production > systems out there that rely directly on the fact that XFS does > exactly what the application asks it to do when using direct IO. > > IOWs, I think you are trying to optimise the wrong layer - put your > effort into making fallocate() do what the application needs to > prevent fragmentation rather trying to hack the filesystem to do it > for you. Not only will that improve performance on XFS, but it will > also improve performance on ext4 and any other filesystem that > supports fallocate and direct IO. > I've been experimenting with patches to MySQL to use fallocate with FALLOC_FL_KEEP_SIZE and measuring the performance and fragmentation. I also poked at the kernel because I assumed other DBs may also benefit from the heuristic (speculative) allocation. Point taken about doing the optimization in the application layer. > Cheers, > > Dave. > -- > Dave Chinner > david@fromorbit.com From bfoster@redhat.com Wed Apr 23 15:02:00 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 1FDB97F52 for ; Wed, 23 Apr 2014 15:02:00 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 93DDAAC015 for ; Wed, 23 Apr 2014 13:01:56 -0700 (PDT) X-ASG-Debug-ID: 1398283314-04cbb04b9000940001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id KIZOy7ZCrziHI7pu for ; Wed, 23 Apr 2014 13:01:55 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx10.intmail.prod.int.phx2.redhat.com (int-mx10.intmail.prod.int.phx2.redhat.com [10.5.11.23]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3NK1rPL022780 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 23 Apr 2014 16:01:54 -0400 Received: from bfoster.bfoster ([10.18.41.237]) by int-mx10.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s3NK1rSs019823; Wed, 23 Apr 2014 16:01:53 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id 165E512573F; Wed, 23 Apr 2014 16:01:52 -0400 (EDT) Date: Wed, 23 Apr 2014 16:01:52 -0400 From: Brian Foster To: Dave Chinner Cc: xfs@oss.sgi.com Subject: Re: [PATCH v3 14/20] xfsprogs/repair: phase 2 finobt scan Message-ID: <20140423200151.GD5225@bfoster.bfoster> X-ASG-Orig-Subj: Re: [PATCH v3 14/20] xfsprogs/repair: phase 2 finobt scan References: <1397146270-42993-1-git-send-email-bfoster@redhat.com> <1397146270-42993-15-git-send-email-bfoster@redhat.com> <20140423061945.GO15995@dastard> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140423061945.GO15995@dastard> User-Agent: Mutt/1.5.21 (2010-09-15) X-Scanned-By: MIMEDefang 2.68 on 10.5.11.23 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1398283315 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Wed, Apr 23, 2014 at 04:19:45PM +1000, Dave Chinner wrote: > On Thu, Apr 10, 2014 at 12:11:04PM -0400, Brian Foster wrote: > > If one exists, scan the free inode btree in phase 2 of xfs_repair. > > We use the same general infrastructure as for the inobt scan, but > > trigger finobt chunk scan logic in in scan_inobt() via the magic > > value. > > > > The new scan_single_finobt_chunk() function is similar to the inobt > > equivalent with some finobt specific logic. We can expect that > > underlying inode chunk blocks are already marked used due to the > > previous inobt scan. We can also expect to find every record > > tracked by the finobt already accounted for in the in-core tree > > with equivalent (and internally consistent) inobt record data. > > > > Spit out a warning on any divergences from the above and add the > > inodes referenced by the current finobt record to the appropriate > > in-core tree. > > > > Signed-off-by: Brian Foster > .... > > + /* > > + * on multi-block block chunks, all chunks start > > + * at the beginning of the block. with multi-chunk > > + * blocks, all chunks must start on 64-inode boundaries > > + * since each block can hold N complete chunks. if > > + * fs has aligned inodes, all chunks must start > > + * at a fs_ino_alignment*N'th agbno. skip recs > > + * with badly aligned starting inodes. > > + */ > > Use all 80 columns for the comment ;) > Yep, I'll fix this and the others... ... > > + > > + if (!suspect) { > > + /* > > + * inodes previously inserted into the uncertain tree should be > > + * superceded by these when the uncertain tree is processed > > + */ > > + nfree = 0; > > + if (XFS_INOBT_IS_FREE_DISK(rp, 0)) { > > + nfree++; > > + ino_rec = set_inode_free_alloc(mp, agno, ino); > > + } else { > > + ino_rec = set_inode_used_alloc(mp, agno, ino); > > + } > > + for (j = 1; j < XFS_INODES_PER_CHUNK; j++) { > > + if (XFS_INOBT_IS_FREE_DISK(rp, j)) { > > + nfree++; > > + set_inode_free(ino_rec, j); > > + } else { > > + set_inode_used(ino_rec, j); > > + } > > + } > > + } else { > > + /* > > + * this should handle the case where the inobt scan may have > > + * already added uncertain inodes > > + */ > > + nfree = 0; > > + for (j = 0; j < XFS_INODES_PER_CHUNK; j++) { > > + if (XFS_INOBT_IS_FREE_DISK(rp, j)) { > > + add_aginode_uncertain(mp, agno, ino + j, 1); > > + nfree++; > > + } else { > > + add_aginode_uncertain(mp, agno, ino + j, 0); > > + } > > + } > > + } > > + > > +check_freecount: > > + > > + if (nfree != be32_to_cpu(rp->ir_freecount)) { > > + do_warn( > > +_("finobt ir_freecount/free mismatch, inode chunk %d/%u, freecount %d nfree %d\n"), > > + agno, ino, be32_to_cpu(rp->ir_freecount), nfree); > > + } > > + > > + if (!nfree) { > > + do_warn( > > +_("finobt record with no free inodes, inode chunk %d/%u\n"), agno, ino); > > + } > > Shouldn't both of these increment suspect? > So at this point of the scan, we're processing through finobt leaf blocks. Setting suspect has two side effects that I can see: 1.) Suppressing the additional, more granular checks for the records/inodes that make up the remainder of the block. 2.) Setting bad_ino_btree, which causes us to skip phases 6 and 7. I think my thought process was that side effect #2 was generally too heavy handed for a scenario where the freecount doesn't happen to match or we've failed to remove a fully allocated record from the finobt. Furthermore, we already increment suspect in this function if either the allocation state of the inode chunk blocks or the allocation state of any individual inode is unexpected based on the inobt state. The additional value of the freecount checks is to catch any kind of intra-record corruption or inter-freecount corruption across the trees, which IIUC would be fixed naturally provided nothing else is wrong (e.g., suspect remains 0) when the trees are regenerated. In other words, if inode allocation state does differ between the trees, we already do set suspect. If these warnings fire without suspect being set, it means we just need to fix up the freecount and there is no broader tree corruption. Thoughts? NOTE: When looking through this again, I think there is a hole in the allocation state logic in that we don't catch a case where the finobt inode could be allocated and the inobt inode marked as free: if (first_rec) { ... nfree = 0; for (j = 0; j < XFS_INODES_PER_CHUNK; j++) { if (XFS_INOBT_IS_FREE_DISK(rp, j)) { nfree++; if (!suspect && !is_inode_free(first_rec, j)) suspect++; } /* * XXX: else if the finobt inode is allocated, confirm * here that the inobt inode is allocated as well! */ } goto check_freecount; } I think something like this might work: if (first_rec) { ... nfree = 0; for (j = 0; j < XFS_INODES_PER_CHUNK; j++) { int isfree = XFS_INOBT_IS_FREE_DISK(rp, j); if (isfree) nfree++; if (!suspect && isfree != is_inode_free(first_rec, j)) suspect++; } goto check_freecount; } Brian > Cheers, > > Dave. > -- > Dave Chinner > david@fromorbit.com From bfoster@redhat.com Wed Apr 23 15:02:00 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 950A37F52 for ; Wed, 23 Apr 2014 15:02:00 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id 692138F8052 for ; Wed, 23 Apr 2014 13:01:57 -0700 (PDT) X-ASG-Debug-ID: 1398283305-04bdf05c7500860001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id Yb1SgYVicTC9CONI for ; Wed, 23 Apr 2014 13:01:45 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx14.intmail.prod.int.phx2.redhat.com (int-mx14.intmail.prod.int.phx2.redhat.com [10.5.11.27]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3NK1cwI022656 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 23 Apr 2014 16:01:38 -0400 Received: from bfoster.bfoster ([10.18.41.237]) by int-mx14.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s3NK1b39019905; Wed, 23 Apr 2014 16:01:37 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id 45D1712573F; Wed, 23 Apr 2014 16:01:36 -0400 (EDT) Date: Wed, 23 Apr 2014 16:01:36 -0400 From: Brian Foster To: Dave Chinner Cc: xfs@oss.sgi.com Subject: Re: [PATCH v3 11/20] xfsprogs/mkfs: finobt mkfs support Message-ID: <20140423200135.GC5225@bfoster.bfoster> X-ASG-Orig-Subj: Re: [PATCH v3 11/20] xfsprogs/mkfs: finobt mkfs support References: <1397146270-42993-1-git-send-email-bfoster@redhat.com> <1397146270-42993-12-git-send-email-bfoster@redhat.com> <20140423060352.GL15995@dastard> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140423060352.GL15995@dastard> User-Agent: Mutt/1.5.21 (2010-09-15) X-Scanned-By: MIMEDefang 2.68 on 10.5.11.27 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1398283305 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Wed, Apr 23, 2014 at 04:03:53PM +1000, Dave Chinner wrote: > On Thu, Apr 10, 2014 at 12:11:01PM -0400, Brian Foster wrote: > > Add the 'finobt' metadata option to mkfs to format an fs with free > > inode btree support. If enabled, initialize the associated AGI > > header fields and btree root block. > > > > Also, do the initialization of the superblock version and feature > > bits (including the new finobt flag) a bit earlier. These fields > > must now be initialized prior to the use of XFS_PREALLOC_BLOCKS(), > > as the latter returns a value that depends on whether a finobt root > > btree block is reserved. > > > > Signed-off-by: Brian Foster > > $ sudo mkfs.xfs -f -mcrc=1,finobt=1 -m crc=0 -d size=128m /dev/ram1 > meta-data=/dev/ram1 isize=256 agcount=4, agsize=8192 blks > = sectsz=512 attr=2, projid32bit=1 > = crc=0 finobt=1 > ^^^^^ ^^^^^^^^ > ..... > $ mount /dev/ram1 /mnt/scratch > [ 4727.269080] XFS (ram1): Mounting Filesystem > [ 4727.270077] XFS (ram1): Log inconsistent or not a log (last==0, first!=1) > [ 4727.271227] XFS (ram1): empty log check failed > [ 4727.271970] XFS (ram1): log mount/recovery failed: error 22 > [ 4727.273097] XFS (ram1): log mount failed > > If "-mcrc=0" is seen on the command line, it needs to turn off > finobt.... > > xfs/001 and xfs/002 trip over this when run like: > > $ MKFS_OPTIONS="-mcrc=1,finobt=1" ./check xfs/00[12] > > Otherwise, everything seems to be working ;) > Yeah, I've hit this. Which reminds me... I should probably detect this and fail outright in mkfs as well. Brian > Cheers, > > Dave. > -- > Dave Chinner > david@fromorbit.com From bfoster@redhat.com Wed Apr 23 15:02:11 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id BFBE07F52 for ; Wed, 23 Apr 2014 15:02:11 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id 8338330405F for ; Wed, 23 Apr 2014 13:02:11 -0700 (PDT) X-ASG-Debug-ID: 1398283329-04bdf05c7200920001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id cjAKK8o5Sz9R0cV5 for ; Wed, 23 Apr 2014 13:02:09 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx14.intmail.prod.int.phx2.redhat.com (int-mx14.intmail.prod.int.phx2.redhat.com [10.5.11.27]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3NK28ib022854 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 23 Apr 2014 16:02:08 -0400 Received: from bfoster.bfoster ([10.18.41.237]) by int-mx14.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s3NK27lV020079; Wed, 23 Apr 2014 16:02:07 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id 5E42612573F; Wed, 23 Apr 2014 16:02:06 -0400 (EDT) Date: Wed, 23 Apr 2014 16:02:06 -0400 From: Brian Foster To: Dave Chinner Cc: xfs@oss.sgi.com Subject: Re: [PATCH v3 13/20] xfsprogs/repair: account for finobt in ag 0 geometry pre-calculation Message-ID: <20140423200205.GE5225@bfoster.bfoster> X-ASG-Orig-Subj: Re: [PATCH v3 13/20] xfsprogs/repair: account for finobt in ag 0 geometry pre-calculation References: <1397146270-42993-1-git-send-email-bfoster@redhat.com> <1397146270-42993-14-git-send-email-bfoster@redhat.com> <20140423061233.GN15995@dastard> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140423061233.GN15995@dastard> User-Agent: Mutt/1.5.21 (2010-09-15) X-Scanned-By: MIMEDefang 2.68 on 10.5.11.27 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1398283329 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Wed, Apr 23, 2014 at 04:12:33PM +1000, Dave Chinner wrote: > On Thu, Apr 10, 2014 at 12:11:03PM -0400, Brian Foster wrote: > > Account for the finobt in calc_mkfs(). > > > > Signed-off-by: Brian Foster > > --- > > repair/xfs_repair.c | 2 ++ > > 1 file changed, 2 insertions(+) > > > > diff --git a/repair/xfs_repair.c b/repair/xfs_repair.c > > index 08b25f0..356125b 100644 > > --- a/repair/xfs_repair.c > > +++ b/repair/xfs_repair.c > > @@ -407,6 +407,8 @@ calc_mkfs(xfs_mount_t *mp) > > bcntbt_root = bnobt_root + 1; > > inobt_root = bnobt_root + 2; > > fino_bno = inobt_root + XFS_MIN_FREELIST_RAW(1, 1, mp) + 1; > > + if (xfs_sb_version_hasfinobt(&mp->m_sb)) > > + fino_bno++; > > The comment about this code needs updating, too. > Oops, indeed. How about the following (also fixed the line length)? /* * Pre-calculate the geometry of ag 0. We know what it looks like * because we know what mkfs does: 2 allocation btree roots (by block * and by size), the inode allocation btree root, the free inode * allocation btree root (if enabled) and some number of blocks to * prefill the agfl. */ Brian > Cheers, > > Dave. > -- > Dave Chinner > david@fromorbit.com From bfoster@redhat.com Wed Apr 23 15:02:21 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 9969A7F52 for ; Wed, 23 Apr 2014 15:02:21 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 0ECD7AC013 for ; Wed, 23 Apr 2014 13:02:20 -0700 (PDT) X-ASG-Debug-ID: 1398283339-04cb6c2b7d00850001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id cxc3xctNkopby5HR for ; Wed, 23 Apr 2014 13:02:20 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx13.intmail.prod.int.phx2.redhat.com (int-mx13.intmail.prod.int.phx2.redhat.com [10.5.11.26]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3NK2I2H031529 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 23 Apr 2014 16:02:18 -0400 Received: from bfoster.bfoster ([10.18.41.237]) by int-mx13.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s3NK2H78032746; Wed, 23 Apr 2014 16:02:18 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id 838F812573F; Wed, 23 Apr 2014 16:02:16 -0400 (EDT) Date: Wed, 23 Apr 2014 16:02:16 -0400 From: Brian Foster To: Dave Chinner Cc: xfs@oss.sgi.com Subject: Re: [PATCH v3 17/20] xfsprogs/repair: helpers for finding in-core inode records w/ free inodes Message-ID: <20140423200216.GF5225@bfoster.bfoster> X-ASG-Orig-Subj: Re: [PATCH v3 17/20] xfsprogs/repair: helpers for finding in-core inode records w/ free inodes References: <1397146270-42993-1-git-send-email-bfoster@redhat.com> <1397146270-42993-18-git-send-email-bfoster@redhat.com> <20140423062443.GP15995@dastard> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140423062443.GP15995@dastard> User-Agent: Mutt/1.5.21 (2010-09-15) X-Scanned-By: MIMEDefang 2.68 on 10.5.11.26 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1398283339 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Wed, Apr 23, 2014 at 04:24:43PM +1000, Dave Chinner wrote: > On Thu, Apr 10, 2014 at 12:11:07PM -0400, Brian Foster wrote: > > Add the findfirst_free_inode_rec() and next_free_ino_rec() helpers > > to assist scanning the in-core inode records for records with at > > least one free inode. These will be used to determine what records > > are included in the free inode btree. > > > > Signed-off-by: Brian Foster > > --- > > repair/incore.h | 27 +++++++++++++++++++++++++++ > > 1 file changed, 27 insertions(+) > > > > diff --git a/repair/incore.h b/repair/incore.h > > index 5419884..5f8c188 100644 > > --- a/repair/incore.h > > +++ b/repair/incore.h > > @@ -381,6 +381,33 @@ void clear_uncertain_ino_cache(xfs_agnumber_t agno); > > ((ino_tree_node_t *) ((ino_node_ptr)->avl_node.avl_forw)) > > > > /* > > + * finobt helpers > > + */ > > +static inline ino_tree_node_t * > > +findfirst_free_inode_rec(xfs_agnumber_t agno) > > +{ > > + ino_tree_node_t *ino_rec; > > + > > + ino_rec = findfirst_inode_rec(agno); > > + > > + while (ino_rec && !ino_rec->ir_free) > > + ino_rec = next_ino_rec(ino_rec); > > + > > + return ino_rec; > > +} > > + > > +static inline ino_tree_node_t * > > +next_free_ino_rec(ino_tree_node_t *ino_rec) > > +{ > > + ino_rec = next_ino_rec(ino_rec); > > + > > + while (ino_rec && !ino_rec->ir_free) > > + ino_rec = next_ino_rec(ino_rec); > > + > > + return ino_rec; > > +} > > That looks a bit inefficient - walking the list of inode records to > find the next one with free inodes. Perhaps we woul dbe better > served by adding a new list for inode records with free entries and > walking that instead? > > Iknow, it's a memory vs speed tradeoff, but if we've got millions of > inodes and very few free, the difference could be very significant. > Hmm, perhaps. The ino_tree_node_t structure is 104 bytes according to pahole. With 64 inodes per node, 1 billion inodes would turn into around 15 million of these structures. If I write a dumb little program to allocate, initialize and iterate 15 million ~100 byte structures (accessing the structure beginning and end), it uses ~1.8GB RAM and runs in under 5 seconds. If I increase that to 30 million, it allocates ~3.5GB RAM, triggers kswapd (4GB RAM VM) and seems to run anywhere from 30s to 1m30s. All of that probably doesn't mean that much in the context of repair, I guess. ;) I'll have to experiment a bit more with this and, at minimum, I'll include some data in my next rev. FWIW, if it is a problem I'd probably approach this as an additional optimization patch rather than rework this one. I also note that we already do multiple scans of the inode record list (e.g., cursor initialization), so we might be able to buy back some of whatever the finobt degradation is by condensing the cursor initialization scans. Brian > Cheers, > > Dave. > -- > Dave Chinner > david@fromorbit.com From bfoster@redhat.com Wed Apr 23 15:02:37 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 6A62F29DFD for ; Wed, 23 Apr 2014 15:02:37 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 3F3968F8040 for ; Wed, 23 Apr 2014 13:02:37 -0700 (PDT) X-ASG-Debug-ID: 1398283356-04cb6c2b7b00890001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id RYkwj9BQTTSuHrtp for ; Wed, 23 Apr 2014 13:02:36 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx10.intmail.prod.int.phx2.redhat.com (int-mx10.intmail.prod.int.phx2.redhat.com [10.5.11.23]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3NK2Yx2031739 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 23 Apr 2014 16:02:35 -0400 Received: from bfoster.bfoster ([10.18.41.237]) by int-mx10.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s3NK2Ypx020086; Wed, 23 Apr 2014 16:02:34 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id DE0C712573F; Wed, 23 Apr 2014 16:02:32 -0400 (EDT) Date: Wed, 23 Apr 2014 16:02:32 -0400 From: Brian Foster To: Dave Chinner Cc: xfs@oss.sgi.com Subject: Re: [PATCH v3 00/20] xfsprogs: introduce the free inode btree Message-ID: <20140423200232.GG5225@bfoster.bfoster> X-ASG-Orig-Subj: Re: [PATCH v3 00/20] xfsprogs: introduce the free inode btree References: <1397146270-42993-1-git-send-email-bfoster@redhat.com> <20140423063559.GQ15995@dastard> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140423063559.GQ15995@dastard> User-Agent: Mutt/1.5.21 (2010-09-15) X-Scanned-By: MIMEDefang 2.68 on 10.5.11.23 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1398283356 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Wed, Apr 23, 2014 at 04:35:59PM +1000, Dave Chinner wrote: > On Thu, Apr 10, 2014 at 12:10:50PM -0400, Brian Foster wrote: > > Hi all, > > > > This is the v3 userspace portion of finobt support corresponding to v5 > > of the kernel series. > > > > Patches 1-10 are straight application of the corresponding kernel patches > > with omissions where appropriate. > > I haven't done anything more than passed a quick eye over them and > tested them. I'll review them fully in the kernel context, and we > can apply any changes to the kernel code directly to them... > Ok... > > Patch 11 adds mkfs support. Patches 12 and 13 provide a couple minor db > > and repair fixes to support the new agi fields and calculate the fs > > format respectively. Patches 14-18 add real repair support for the > > finobt. Patch 19 adds support to report finobt state in xfs_info. Patch > > 20 adds support for metadump. > > > > Thoughts, reviews, flames appreciated. > > I've made comments on the patches that i think need a bit of work, > but all the remainder (11-20) I haven't made any direct comment on > you can consider: > > Reviewed-by: Dave Chinner > Sounds good. Thanks for the reviews! :) Brian > -- > Dave Chinner > david@fromorbit.com From tinguely@eagdhcp-232-128.americas.sgi.com Wed Apr 23 16:05:27 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=RP_MATCHES_RCVD autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id C5E937F59 for ; Wed, 23 Apr 2014 16:05:27 -0500 (CDT) Received: from eagdhcp-232-128.americas.sgi.com (eagdhcp-232-128.americas.sgi.com [128.162.232.128]) by relay1.corp.sgi.com (Postfix) with ESMTP id 965E48F8049 for ; Wed, 23 Apr 2014 14:05:24 -0700 (PDT) Received: from eagdhcp-232-128.americas.sgi.com (localhost [127.0.0.1]) by eagdhcp-232-128.americas.sgi.com (8.14.5/8.14.5) with ESMTP id s3NL5PGa002939 for ; Wed, 23 Apr 2014 16:05:25 -0500 (CDT) (envelope-from tinguely@eagdhcp-232-128.americas.sgi.com) Received: (from tinguely@localhost) by eagdhcp-232-128.americas.sgi.com (8.14.5/8.14.5/Submit) id s3NL5P6a002938; Wed, 23 Apr 2014 16:05:25 -0500 (CDT) (envelope-from tinguely) Message-Id: <20140423210445.700477624@sgi.com> User-Agent: quilt/0.48-20.3.1 Date: Wed, 23 Apr 2014 16:04:35 -0500 From: Mark Tinguely To: XFS Mailing List Subject: [RFC] libxfs: adding attribute fork frees xfs_inode ptr References: <20140423210034.892939354@sgi.com> Content-Disposition: inline; filename=xfsprogs-fix-dp-release-when-adding-attr-fork.patch User space does not currently perform any attribute adding/deleting, but if we do want to fix attributes or use them for parent inode pointers, user space should support attributes. The adding an attribute fork is done in an embedded transaction inside xfs_attr_set_int(). The xfs_trans_commit in xfs_bmap_add_attrfork() will free the xfs_inode pointer causing xfs_attr_calc_size() in xfs_attr_set_int() to fail. I don't see that we have any hold counts on the xfs_inode, so this is a dirty FYI/RFC of a work around for this problem by calling xfs_iget() to read back in the just freed inode. --- libxfs/xfs_attr.c | 4 ++++ 1 file changed, 4 insertions(+) Index: b/libxfs/xfs_attr.c =================================================================== --- a/libxfs/xfs_attr.c +++ b/libxfs/xfs_attr.c @@ -223,11 +223,15 @@ xfs_attr_set_int( * (inode must not be locked when we call this routine) */ if (XFS_IFORK_Q(dp) == 0) { + xfs_ino_t ino = dp->i_ino; int sf_size = sizeof(xfs_attr_sf_hdr_t) + XFS_ATTR_SF_ENTSIZE_BYNAME(name->len, valuelen); if ((error = xfs_bmap_add_attrfork(dp, sf_size, rsvd))) return(error); + error = libxfs_iget(mp, NULL, ino, 0, &dp, 0); + if (error) + return(error); } /* From david@fromorbit.com Wed Apr 23 17:12:40 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id A28DD7F5D for ; Wed, 23 Apr 2014 17:12:40 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 756188F8040 for ; Wed, 23 Apr 2014 15:12:40 -0700 (PDT) X-ASG-Debug-ID: 1398291154-04cb6c2b7a09ad0001-NocioJ Received: from ipmail06.adl2.internode.on.net (ipmail06.adl2.internode.on.net [150.101.137.129]) by cuda.sgi.com with ESMTP id h6YEurmgMgkoYjFe for ; Wed, 23 Apr 2014 15:12:35 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.129 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: ArNfAEM6WFN5LEcvPGdsb2JhbABagwaDZIUKowKZboEbFwMBAQEBODWCJQEBBAE6HCMQCAMOCgklDwUlAwcaE4g5B81oFxaOQgeEOQSYdJRIgVEr Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail06.adl2.internode.on.net with ESMTP; 24 Apr 2014 07:42:33 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1Wd5P3-00067E-Um; Thu, 24 Apr 2014 08:12:29 +1000 Date: Thu, 24 Apr 2014 08:12:29 +1000 From: Dave Chinner To: Ivan Pantovic Cc: Speedy Milan , linux-kernel@vger.kernel.org, xfs@oss.sgi.com Subject: Re: rm -f * on large files very slow on XFS + MD RAID 6 volume of 15x 4TB of HDDs (52TB) Message-ID: <20140423221229.GS18672@dastard> X-ASG-Orig-Subj: Re: rm -f * on large files very slow on XFS + MD RAID 6 volume of 15x 4TB of HDDs (52TB) References: <20140423021835.GI15995@dastard> <53576A7D.9020303@gmail.com> <20140423082538.GR18672@dastard> <53578632.1060005@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <53578632.1060005@gmail.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail06.adl2.internode.on.net[150.101.137.129] X-Barracuda-Start-Time: 1398291154 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5197 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Wed, Apr 23, 2014 at 11:21:54AM +0200, Ivan Pantovic wrote: > Hi Dave, > > >xfs_db> freesp > > from to extents blocks pct > > 1 1 52463 52463 0.00 > > 2 3 73270 181394 0.01 > > 4 7 134526 739592 0.03 > > 8 15 250469 2870193 0.12 > > 16 31 581572 13465403 0.58 > > 32 63 692386 32096932 1.37 > > 64 127 1234204 119157757 5.09 So these are the small free spaces that lead to problems. There's around 3 million small free space extents in the filesystems, totalling 7% of the free space. That's quite a lot, and it means that there is a good chance that small allocations will find these small free spaces rather than find a large extent and start from there. > > 128 255 91015 16690243 0.71 > > 256 511 18977 6703895 0.29 > > 512 1023 12821 8611576 0.37 > > 1024 2047 23209 33177541 1.42 > > 2048 4095 43282 101126831 4.32 > > 4096 8191 12726 55814285 2.39 > > 8192 16383 2138 22750157 0.97 > > 16384 32767 1033 21790120 0.93 > > 32768 65535 433 19852497 0.85 > > 65536 131071 254 23052185 0.99 > > 131072 262143 204 37833000 1.62 > > 262144 524287 229 89970969 3.85 > > 524288 1048575 164 124210580 5.31 > >1048576 2097151 130 173193687 7.40 > >2097152 4194303 22 61297862 2.62 > >4194304 8388607 16 97070435 4.15 > >8388608 16777215 26 320475332 13.70 > >16777216 33554431 6 133282461 5.70 > >33554432 67108863 12 616939026 26.37 > >134217728 268435328 1 207504563 8.87 There are some large free spaces still, so your filesystem is still in fairly good shape from that perspective. You can get a better idea of whether the fragmentation is isolated to specific AGs by using the freesp -a command to dump each individual freespace index. You can then use the xfs_bmap command to find files that are located in those fragmented AGs. The only way to fix freespace fragmentation right now is to remove the extents that are chopping up the freespace. Moving data around on a per-directory basis (e.g. cp the regular files to a temp directory, rename them back over the original) is one way of acheiving this, though you have to carefully control the destination AG and make sure it is an AG that is made up mostly of contiguous freespace to begin with.... But you only really need to do this if you are seeing ongoing problems. Often just freeing up space in the filesystem will fix the problem... Cheers, Dave. -- Dave Chinner david@fromorbit.com From david@fromorbit.com Wed Apr 23 17:22:28 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 73D357F5F for ; Wed, 23 Apr 2014 17:22:28 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id E67DFAC015 for ; Wed, 23 Apr 2014 15:22:24 -0700 (PDT) X-ASG-Debug-ID: 1398291742-04cb6c2b7c0a490001-NocioJ Received: from ipmail06.adl2.internode.on.net (ipmail06.adl2.internode.on.net [150.101.137.129]) by cuda.sgi.com with ESMTP id N2fq8Uzw0WGAYDKT for ; Wed, 23 Apr 2014 15:22:22 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.129 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: ArJfANw8WFN5LEcvPGdsb2JhbABagwaDZIUKowKZboEbFwMBAQEBODWCJQEBBScTHCMQCAMYCSUPBSUDBxoTiEDNbRcWjkIHhDkEjQuLaYdYgxWLLCs Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail06.adl2.internode.on.net with ESMTP; 24 Apr 2014 07:52:16 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1Wd5YV-00068I-OO; Thu, 24 Apr 2014 08:22:15 +1000 Date: Thu, 24 Apr 2014 08:22:15 +1000 From: Dave Chinner To: Mark Tinguely Cc: XFS Mailing List Subject: Re: [RFC] libxfs: adding attribute fork frees xfs_inode ptr Message-ID: <20140423222215.GT18672@dastard> X-ASG-Orig-Subj: Re: [RFC] libxfs: adding attribute fork frees xfs_inode ptr References: <20140423210034.892939354@sgi.com> <20140423210445.700477624@sgi.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140423210445.700477624@sgi.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail06.adl2.internode.on.net[150.101.137.129] X-Barracuda-Start-Time: 1398291742 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5198 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Wed, Apr 23, 2014 at 04:04:35PM -0500, Mark Tinguely wrote: > User space does not currently perform any attribute adding/deleting, > but if we do want to fix attributes or use them for parent inode > pointers, user space should support attributes. > > The adding an attribute fork is done in an embedded transaction > inside xfs_attr_set_int(). The xfs_trans_commit in xfs_bmap_add_attrfork() > will free the xfs_inode pointer causing xfs_attr_calc_size() in > xfs_attr_set_int() to fail. It shouldn't. xfs_bmap_add_attrfork() does: xfs_trans_ijoin(tp, ip, XFS_ILOCK_EXCL); which in the kernel code sets: iip->ili_lock_flags = lock_flags; The libxfs code doesn't do that, so when xfs_trans_commit() gets to inode_item_unlock(): if (!iip->ili_lock_flags) libxfs_iput(ip, 0); else iip->ili_lock_flags = 0; It frees the inode rather than just returning it with the lock flags cleared. Note that libxfs still has libxfs_trans_ijoin_ref() which sets the lock flags, but this has been removed from the kernel code. IOWs, this is a libxfs/trans.c::xfs_trans_ijoin() bug, not something that needs fixing in the shared kernel/user libxfs code. Cheers, Dave. -- Dave Chinner david@fromorbit.com From david@fromorbit.com Wed Apr 23 17:52:22 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 0DE317F51 for ; Wed, 23 Apr 2014 17:52:22 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id B9919304048 for ; Wed, 23 Apr 2014 15:52:18 -0700 (PDT) X-ASG-Debug-ID: 1398293535-04bdf05c750d1a0001-NocioJ Received: from ipmail06.adl2.internode.on.net (ipmail06.adl2.internode.on.net [150.101.137.129]) by cuda.sgi.com with ESMTP id 42h87ocMhfB11kPM for ; Wed, 23 Apr 2014 15:52:16 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.129 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AmFdALZDWFN5LEcvPGdsb2JhbABagwZPgxWoDJlugRsXAwEBAQE4NYIlAQEBAwE6HBUDCwULCAMYCSUPBSUDBxoThyOBFgcOzXcWiSCDJoEaEQFQB4Q5BJh0gTiEa492K4E1 Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail06.adl2.internode.on.net with ESMTP; 24 Apr 2014 08:22:06 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1Wd61M-0006Cc-Fi; Thu, 24 Apr 2014 08:52:04 +1000 Date: Thu, 24 Apr 2014 08:52:04 +1000 From: Dave Chinner To: Keyur Govande Cc: linux-fsdevel@vger.kernel.org, xfs@oss.sgi.com Subject: Re: XFS fragmentation on file append Message-ID: <20140423225204.GR15995@dastard> X-ASG-Orig-Subj: Re: XFS fragmentation on file append References: <20140408015012.GB22917@dastard> <20140408053117.GJ27017@dastard> <20140423054719.GJ15995@dastard> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail06.adl2.internode.on.net[150.101.137.129] X-Barracuda-Start-Time: 1398293535 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-BRTS-Evidence: tsunanet.net X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5199 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Wed, Apr 23, 2014 at 03:05:00PM -0400, Keyur Govande wrote: > On Wed, Apr 23, 2014 at 1:47 AM, Dave Chinner wrote: > > On Tue, Apr 22, 2014 at 07:35:34PM -0400, Keyur Govande wrote: > >> Here's how the first 3 AG's look like: > >> https://gist.github.com/keyurdg/82b955fb96b003930e4f > >> > >> After a run of the dpwrite program, here's how the bmap looks like: > >> https://gist.github.com/keyurdg/11196897 > >> > >> The files have nicely interleaved with each other, mostly > >> XFS_IEXT_BUFSZ size extents. > > > > XFS_IEXT_BUFSZ Has nothing to do with the size of allocations. It's > > the size of the in memory array buffer used to hold extent records. > > > > What you are seeing is allocation interleaving according to the > > pattern and size of the direct IOs being done by the application. > > Which happen to be 512KB (1024 basic blocks) and the file being > > written to is randomly selected. > > I misspoke; I meant to say XFS_IEXT_BUFSZ (4096) blocks per extent. As > long as each pwrite is less than 2 MB, the extents do lay out in 4096 > blocks every time. Sure, 4096 basic blocks per extent, but that has nothing to do with XFS_IEXT_BUFSZ. All you've done is pick a random #define out of the source code that matches the number you are seeing from xfs_bmap. They are *completely unrelated*. If your extents are laying out in 2MB chunks, then perhaps that's because of allocation alignment being driven by stripe unit/stripe width configuration, or maybe freespace is simply fragmented into chunks that size. > >> The average read speed is 724 MBps. After > >> defragmenting the file to 1 extent, the speed improves 30% to 1.09 > >> GBps. > > > > Sure. Now set an extent size hint of 32MB and try again. > > I did these runs as well going by your last email suggestion, but I > was more interested in what you thought about the other ideas so > didn't include the results. > > 32MB gives 850 MBps and 64MB hits 980MBps. The peak read rate from the > hardware for a contiguous file is 1.45 GBps. I could keep on > increasing it until I hit a number I like, but I was looking to see if > it could be globally optimized. IOWs, if you hit the RAID controller readahead cache, it does 1.45GB/s. If you don't hit it, you see sustainable, real world disk speeds you can get from the array. > I realize this is terrible for small files like a source code tree, > but for a database which usually has a many large files in the same > directory the seek cost is amortized by the benefit from a large > contiguous read. Would it be terrible to have this modifiable as a > setting (like extsize is) with the default being the inode64 behavior? We do have that behaviour configurable. Like I said, use the inode32 allocator (mount option). > >> I couldn't find guidance on the internet on how many allocation groups > >> to use for a 2 TB partition, > > > > I've already given guidance on that. Choose to ignore it if you > > will... > > Could you repeat it or post a link? The only relevant info I found via > Google is using as many AGs as hardware threads Sorry, I mixed you up with someone else asking about XFS optimisation for database workloads a couple of days ago. http://oss.sgi.com/archives/xfs/2014-04/msg00384.html > (http://blog.tsunanet.net/2011/08/mkfsxfs-raid10-optimal-performance.html). That's one of the better blog posts I've seen, but it's still got quite a few subtle errors in it. As it is, this shows why google is a *terrible source* of technical information - google considers crappy blog posts to be more authorative than the mailing list posts written by subject matter experts.... Indeed, this is where I'm trying to document all this sort of stuff in a semi-official manner so as to avoid this "he said, she said" sort of problem: http://oss.sgi.com/cgi-bin/gitweb.cgi?p=xfs/xfs-documentation.git;a=blob_plain;f=admin/XFS_Performance_Tuning/filesystem_tunables.asciidoc;hb=HEAD > >> Could the same doubling logic be applied for DIRECT_IO writes as well? > > > > I don't think so. It would break many carefully tuned production > > systems out there that rely directly on the fact that XFS does > > exactly what the application asks it to do when using direct IO. > > > > IOWs, I think you are trying to optimise the wrong layer - put your > > effort into making fallocate() do what the application needs to > > prevent fragmentation rather trying to hack the filesystem to do it > > for you. Not only will that improve performance on XFS, but it will > > also improve performance on ext4 and any other filesystem that > > supports fallocate and direct IO. > > I've been experimenting with patches to MySQL to use fallocate with > FALLOC_FL_KEEP_SIZE and measuring the performance and fragmentation. Great - I'm interested to know what your results are :) > I also poked at the kernel because I assumed other DBs may also > benefit from the heuristic (speculative) allocation. Point taken about > doing the optimization in the application layer. Postgres uses buffered IO (so can make use of speculative allocation for it's files. However, that has it's own share of problems that direct IO doesn't have, so they aren't really in a better position as a result of making that choice... Cheers, Dave. -- Dave Chinner david@fromorbit.com From david@fromorbit.com Wed Apr 23 17:53:04 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 9637E7F51 for ; Wed, 23 Apr 2014 17:53:04 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id 2A946AC014 for ; Wed, 23 Apr 2014 15:53:04 -0700 (PDT) X-ASG-Debug-ID: 1398293581-04bdf05c730d270001-NocioJ Received: from ipmail06.adl2.internode.on.net (ipmail06.adl2.internode.on.net [150.101.137.129]) by cuda.sgi.com with ESMTP id Lq8JMVqR5ZlEQOoU for ; Wed, 23 Apr 2014 15:53:02 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.129 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: ArRfALZDWFN5LEcvPGdsb2JhbABagwaDZIUKowKZboEbFwMBAQEBODWCJQEBBScTHCMQCAMOCgkMGQ8FJQMHGhOIQM1uFxaOQgcKhC8EmHSUSIFRKw Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail06.adl2.internode.on.net with ESMTP; 24 Apr 2014 08:23:01 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1Wd62G-0006Cp-F3; Thu, 24 Apr 2014 08:53:00 +1000 Date: Thu, 24 Apr 2014 08:53:00 +1000 From: Dave Chinner To: Brian Foster Cc: xfs@oss.sgi.com Subject: Re: [PATCH v3 13/20] xfsprogs/repair: account for finobt in ag 0 geometry pre-calculation Message-ID: <20140423225300.GS15995@dastard> X-ASG-Orig-Subj: Re: [PATCH v3 13/20] xfsprogs/repair: account for finobt in ag 0 geometry pre-calculation References: <1397146270-42993-1-git-send-email-bfoster@redhat.com> <1397146270-42993-14-git-send-email-bfoster@redhat.com> <20140423061233.GN15995@dastard> <20140423200205.GE5225@bfoster.bfoster> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140423200205.GE5225@bfoster.bfoster> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail06.adl2.internode.on.net[150.101.137.129] X-Barracuda-Start-Time: 1398293581 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5199 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Wed, Apr 23, 2014 at 04:02:06PM -0400, Brian Foster wrote: > On Wed, Apr 23, 2014 at 04:12:33PM +1000, Dave Chinner wrote: > > On Thu, Apr 10, 2014 at 12:11:03PM -0400, Brian Foster wrote: > > > Account for the finobt in calc_mkfs(). > > > > > > Signed-off-by: Brian Foster > > > --- > > > repair/xfs_repair.c | 2 ++ > > > 1 file changed, 2 insertions(+) > > > > > > diff --git a/repair/xfs_repair.c b/repair/xfs_repair.c > > > index 08b25f0..356125b 100644 > > > --- a/repair/xfs_repair.c > > > +++ b/repair/xfs_repair.c > > > @@ -407,6 +407,8 @@ calc_mkfs(xfs_mount_t *mp) > > > bcntbt_root = bnobt_root + 1; > > > inobt_root = bnobt_root + 2; > > > fino_bno = inobt_root + XFS_MIN_FREELIST_RAW(1, 1, mp) + 1; > > > + if (xfs_sb_version_hasfinobt(&mp->m_sb)) > > > + fino_bno++; > > > > The comment about this code needs updating, too. > > > > Oops, indeed. How about the following (also fixed the line length)? > > /* > * Pre-calculate the geometry of ag 0. We know what it looks like > * because we know what mkfs does: 2 allocation btree roots (by block > * and by size), the inode allocation btree root, the free inode > * allocation btree root (if enabled) and some number of blocks to > * prefill the agfl. > */ Apart from the whitespace damage, it looks good ;) Cheers Dave. -- Dave Chinner david@fromorbit.com From david@fromorbit.com Wed Apr 23 18:03:50 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id A56AB7F59 for ; Wed, 23 Apr 2014 18:03:50 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 1D430AC014 for ; Wed, 23 Apr 2014 16:03:46 -0700 (PDT) X-ASG-Debug-ID: 1398294223-04cb6c2b7c0deb0001-NocioJ Received: from ipmail06.adl2.internode.on.net (ipmail06.adl2.internode.on.net [150.101.137.129]) by cuda.sgi.com with ESMTP id fpx1C09lJGv0X3l7 for ; Wed, 23 Apr 2014 16:03:44 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.129 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: ArZfAApFWFN5LEcvPGdsb2JhbABagwaDZIUKowKZboEbFwMBAQEBODWCJQEBBAEnExwjBQsIAw4KCSUPBSUDBxoTiDkHzWkXFo1WbAeEOQSYdJRIgVErgTU Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail06.adl2.internode.on.net with ESMTP; 24 Apr 2014 08:28:33 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1Wd67c-0006EA-GA; Thu, 24 Apr 2014 08:58:32 +1000 Date: Thu, 24 Apr 2014 08:58:32 +1000 From: Dave Chinner To: Brian Foster Cc: xfs@oss.sgi.com Subject: Re: [PATCH v3 17/20] xfsprogs/repair: helpers for finding in-core inode records w/ free inodes Message-ID: <20140423225832.GT15995@dastard> X-ASG-Orig-Subj: Re: [PATCH v3 17/20] xfsprogs/repair: helpers for finding in-core inode records w/ free inodes References: <1397146270-42993-1-git-send-email-bfoster@redhat.com> <1397146270-42993-18-git-send-email-bfoster@redhat.com> <20140423062443.GP15995@dastard> <20140423200216.GF5225@bfoster.bfoster> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140423200216.GF5225@bfoster.bfoster> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail06.adl2.internode.on.net[150.101.137.129] X-Barracuda-Start-Time: 1398294223 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.60 X-Barracuda-Spam-Status: No, SCORE=0.60 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=MARKETING_SUBJECT X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5198 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.60 MARKETING_SUBJECT Subject contains popular marketing words On Wed, Apr 23, 2014 at 04:02:16PM -0400, Brian Foster wrote: > On Wed, Apr 23, 2014 at 04:24:43PM +1000, Dave Chinner wrote: > > On Thu, Apr 10, 2014 at 12:11:07PM -0400, Brian Foster wrote: > > > Add the findfirst_free_inode_rec() and next_free_ino_rec() helpers > > > to assist scanning the in-core inode records for records with at > > > least one free inode. These will be used to determine what records > > > are included in the free inode btree. > > > > > > Signed-off-by: Brian Foster > > > --- > > > repair/incore.h | 27 +++++++++++++++++++++++++++ > > > 1 file changed, 27 insertions(+) > > > > > > diff --git a/repair/incore.h b/repair/incore.h > > > index 5419884..5f8c188 100644 > > > --- a/repair/incore.h > > > +++ b/repair/incore.h > > > @@ -381,6 +381,33 @@ void clear_uncertain_ino_cache(xfs_agnumber_t agno); > > > ((ino_tree_node_t *) ((ino_node_ptr)->avl_node.avl_forw)) > > > > > > /* > > > + * finobt helpers > > > + */ > > > +static inline ino_tree_node_t * > > > +findfirst_free_inode_rec(xfs_agnumber_t agno) > > > +{ > > > + ino_tree_node_t *ino_rec; > > > + > > > + ino_rec = findfirst_inode_rec(agno); > > > + > > > + while (ino_rec && !ino_rec->ir_free) > > > + ino_rec = next_ino_rec(ino_rec); > > > + > > > + return ino_rec; > > > +} > > > + > > > +static inline ino_tree_node_t * > > > +next_free_ino_rec(ino_tree_node_t *ino_rec) > > > +{ > > > + ino_rec = next_ino_rec(ino_rec); > > > + > > > + while (ino_rec && !ino_rec->ir_free) > > > + ino_rec = next_ino_rec(ino_rec); > > > + > > > + return ino_rec; > > > +} > > > > That looks a bit inefficient - walking the list of inode records to > > find the next one with free inodes. Perhaps we woul dbe better > > served by adding a new list for inode records with free entries and > > walking that instead? > > > > Iknow, it's a memory vs speed tradeoff, but if we've got millions of > > inodes and very few free, the difference could be very significant. > > > > Hmm, perhaps. The ino_tree_node_t structure is 104 bytes according to > pahole. With 64 inodes per node, 1 billion inodes would turn into around > 15 million of these structures. If I write a dumb little program to > allocate, initialize and iterate 15 million ~100 byte structures > (accessing the structure beginning and end), it uses ~1.8GB RAM and runs > in under 5 seconds. If I increase that to 30 million, it allocates > ~3.5GB RAM, triggers kswapd (4GB RAM VM) and seems to run anywhere from > 30s to 1m30s. > > All of that probably doesn't mean that much in the context of repair, I > guess. ;) *nod* Repair does more than this between searches (so TLB pressure will be different), some CPUs have prefetchers that detect pointer chasing like this, some systems have remote (hence slower) memory. Hence testing in isolation doesn't necessarily give an accurate picture... > I'll have to experiment a bit more with this and, at minimum, > I'll include some data in my next rev. FWIW, if it is a problem I'd > probably approach this as an additional optimization patch rather than > rework this one. I also note that we already do multiple scans of the > inode record list (e.g., cursor initialization), so we might be able to > buy back some of whatever the finobt degradation is by condensing the > cursor initialization scans. Yup, doing it as an additional patch if it is necessary sounds like a good plan to me. Cheers, Dave. -- Dave Chinner david@fromorbit.com From david@fromorbit.com Wed Apr 23 18:07:39 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 10D547F52 for ; Wed, 23 Apr 2014 18:07:39 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id E9D6B8F804B for ; Wed, 23 Apr 2014 16:07:35 -0700 (PDT) X-ASG-Debug-ID: 1398294453-04cb6c2b7d0e8a0001-NocioJ Received: from ipmail06.adl2.internode.on.net (ipmail06.adl2.internode.on.net [150.101.137.129]) by cuda.sgi.com with ESMTP id gQd8ca2v0qZxw1JY for ; Wed, 23 Apr 2014 16:07:34 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.129 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: ArZfAEJHWFN5LEcvPGdsb2JhbABagwaDZIUKowKZboEbFwMBAQEBODWCJQEBBAEnExwjBQsIAw4KCSUPBSUDBxoTiDkHzWMXFo5CB4Q5BJh0lhkrgS4k Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail06.adl2.internode.on.net with ESMTP; 24 Apr 2014 08:36:58 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1Wd6FX-0006GJ-Ln; Thu, 24 Apr 2014 09:06:43 +1000 Date: Thu, 24 Apr 2014 09:06:43 +1000 From: Dave Chinner To: Brian Foster Cc: xfs@oss.sgi.com Subject: Re: [PATCH v3 14/20] xfsprogs/repair: phase 2 finobt scan Message-ID: <20140423230643.GU15995@dastard> X-ASG-Orig-Subj: Re: [PATCH v3 14/20] xfsprogs/repair: phase 2 finobt scan References: <1397146270-42993-1-git-send-email-bfoster@redhat.com> <1397146270-42993-15-git-send-email-bfoster@redhat.com> <20140423061945.GO15995@dastard> <20140423200151.GD5225@bfoster.bfoster> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140423200151.GD5225@bfoster.bfoster> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail06.adl2.internode.on.net[150.101.137.129] X-Barracuda-Start-Time: 1398294453 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5198 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Wed, Apr 23, 2014 at 04:01:52PM -0400, Brian Foster wrote: > On Wed, Apr 23, 2014 at 04:19:45PM +1000, Dave Chinner wrote: > > On Thu, Apr 10, 2014 at 12:11:04PM -0400, Brian Foster wrote: > > > If one exists, scan the free inode btree in phase 2 of xfs_repair. > > > We use the same general infrastructure as for the inobt scan, but > > > trigger finobt chunk scan logic in in scan_inobt() via the magic > > > value. > > > > > > The new scan_single_finobt_chunk() function is similar to the inobt > > > equivalent with some finobt specific logic. We can expect that > > > underlying inode chunk blocks are already marked used due to the > > > previous inobt scan. We can also expect to find every record > > > tracked by the finobt already accounted for in the in-core tree > > > with equivalent (and internally consistent) inobt record data. > > > > > > Spit out a warning on any divergences from the above and add the > > > inodes referenced by the current finobt record to the appropriate > > > in-core tree. > > > > > > Signed-off-by: Brian Foster > > .... > > > + > > > + if (!suspect) { > > > + /* > > > + * inodes previously inserted into the uncertain tree should be > > > + * superceded by these when the uncertain tree is processed > > > + */ > > > + nfree = 0; > > > + if (XFS_INOBT_IS_FREE_DISK(rp, 0)) { > > > + nfree++; > > > + ino_rec = set_inode_free_alloc(mp, agno, ino); > > > + } else { > > > + ino_rec = set_inode_used_alloc(mp, agno, ino); > > > + } > > > + for (j = 1; j < XFS_INODES_PER_CHUNK; j++) { > > > + if (XFS_INOBT_IS_FREE_DISK(rp, j)) { > > > + nfree++; > > > + set_inode_free(ino_rec, j); > > > + } else { > > > + set_inode_used(ino_rec, j); > > > + } > > > + } > > > + } else { > > > + /* > > > + * this should handle the case where the inobt scan may have > > > + * already added uncertain inodes > > > + */ > > > + nfree = 0; > > > + for (j = 0; j < XFS_INODES_PER_CHUNK; j++) { > > > + if (XFS_INOBT_IS_FREE_DISK(rp, j)) { > > > + add_aginode_uncertain(mp, agno, ino + j, 1); > > > + nfree++; > > > + } else { > > > + add_aginode_uncertain(mp, agno, ino + j, 0); > > > + } > > > + } > > > + } > > > + > > > +check_freecount: > > > + > > > + if (nfree != be32_to_cpu(rp->ir_freecount)) { > > > + do_warn( > > > +_("finobt ir_freecount/free mismatch, inode chunk %d/%u, freecount %d nfree %d\n"), > > > + agno, ino, be32_to_cpu(rp->ir_freecount), nfree); > > > + } > > > + > > > + if (!nfree) { > > > + do_warn( > > > +_("finobt record with no free inodes, inode chunk %d/%u\n"), agno, ino); > > > + } > > > > Shouldn't both of these increment suspect? > > > > So at this point of the scan, we're processing through finobt leaf > blocks. Setting suspect has two side effects that I can see: > > 1.) Suppressing the additional, more granular checks for the > records/inodes that make up the remainder of the block. > > 2.) Setting bad_ino_btree, which causes us to skip phases 6 and 7. > > I think my thought process was that side effect #2 was generally too > heavy handed for a scenario where the freecount doesn't happen to match > or we've failed to remove a fully allocated record from the finobt. Yes, that's true. > Furthermore, we already increment suspect in this function if either the > allocation state of the inode chunk blocks or the allocation state of > any individual inode is unexpected based on the inobt state. The > additional value of the freecount checks is to catch any kind of > intra-record corruption or inter-freecount corruption across the trees, > which IIUC would be fixed naturally provided nothing else is wrong > (e.g., suspect remains 0) when the trees are regenerated. > > In other words, if inode allocation state does differ between the trees, > we already do set suspect. If these warnings fire without suspect being > set, it means we just need to fix up the freecount and there is no > broader tree corruption. Thoughts? Seems reasonable. Perhaps a comment explaining this would be a good idea - we dont have nearly enough comments in repair explaining how it is cross-validating different pieces of metadata... > NOTE: > > When looking through this again, I think there is a hole in the > allocation state logic in that we don't catch a case where the finobt > inode could be allocated and the inobt inode marked as free: > > if (first_rec) { > ... > > nfree = 0; > for (j = 0; j < XFS_INODES_PER_CHUNK; j++) { > if (XFS_INOBT_IS_FREE_DISK(rp, j)) { > nfree++; > if (!suspect && !is_inode_free(first_rec, j)) > suspect++; > } > /* > * XXX: else if the finobt inode is allocated, confirm > * here that the inobt inode is allocated as well! > */ > } > goto check_freecount; > } > > I think something like this might work: > > if (first_rec) { > ... > > nfree = 0; > for (j = 0; j < XFS_INODES_PER_CHUNK; j++) { > int isfree = XFS_INOBT_IS_FREE_DISK(rp, j); > > if (isfree) > nfree++; > > if (!suspect && > isfree != is_inode_free(first_rec, j)) > suspect++; > } > goto check_freecount; > } Yes, that makes sense - we need to validate in both directions. Again, a comment would be a useful reminder here. ;) Cheers, Dave. -- Dave Chinner david@fromorbit.com From david@fromorbit.com Wed Apr 23 18:09:18 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id BADFF7F53 for ; Wed, 23 Apr 2014 18:09:18 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 9F06C8F804B for ; Wed, 23 Apr 2014 16:09:18 -0700 (PDT) X-ASG-Debug-ID: 1398294556-04cb6c2b7a0ea70001-NocioJ Received: from ipmail06.adl2.internode.on.net (ipmail06.adl2.internode.on.net [150.101.137.129]) by cuda.sgi.com with ESMTP id u3K0wQYlC2ZCAVqj for ; Wed, 23 Apr 2014 16:09:16 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.129 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: ArNfAEJHWFN5LEcvPGdsb2JhbABagwaDZIUKowKZboEbFwMBAQEBODWCJQEBBTocIxAIAw4HAwklDwUlAwcaE4hAzWMXFo5CB4Q5BJh0lhkr Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail06.adl2.internode.on.net with ESMTP; 24 Apr 2014 08:39:16 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1Wd6Hz-0006GZ-Ee; Thu, 24 Apr 2014 09:09:15 +1000 Date: Thu, 24 Apr 2014 09:09:15 +1000 From: Dave Chinner To: Christoph Hellwig Cc: xfs@oss.sgi.com Subject: Re: [PATCH 3/6] xfs: introduce new large ACL test Message-ID: <20140423230915.GV15995@dastard> X-ASG-Orig-Subj: Re: [PATCH 3/6] xfs: introduce new large ACL test References: <1398204274-2113-1-git-send-email-david@fromorbit.com> <1398204274-2113-4-git-send-email-david@fromorbit.com> <20140423152313.GC26128@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140423152313.GC26128@infradead.org> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail06.adl2.internode.on.net[150.101.137.129] X-Barracuda-Start-Time: 1398294556 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5198 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Wed, Apr 23, 2014 at 08:23:13AM -0700, Christoph Hellwig wrote: > On Wed, Apr 23, 2014 at 08:04:31AM +1000, Dave Chinner wrote: > > From: Dave Chinner > > > > Having just removed the largeacl test from the shared ACL test, > > reintroduce the same test as an XFS specific test so that we can > > handle the different limits in supported ACL count appropriately. > > I'd prefer to have this as a shared test, and define a _max_acl_size > function in common.acl that does a switch for the fs type. Only > start with XFS for now, but if the maintainers of other filesystems > care enough they could add their limits. Ok, I'll add it as a generic test, along with a _max_acl_size function and a _requires_max_acl_size helper.... Cheers, Dave. -- Dave Chinner david@fromorbit.com From david@fromorbit.com Wed Apr 23 18:44:59 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id D32E97F52 for ; Wed, 23 Apr 2014 18:44:59 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id 852578F8049 for ; Wed, 23 Apr 2014 16:44:59 -0700 (PDT) X-ASG-Debug-ID: 1398296696-04bdf05c7310400001-NocioJ Received: from ipmail06.adl2.internode.on.net (ipmail06.adl2.internode.on.net [150.101.137.129]) by cuda.sgi.com with ESMTP id 1Z5eU2jXxNC7NY0Q for ; Wed, 23 Apr 2014 16:44:56 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.129 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: Ar1fAJVPWFN5LEcvPGdsb2JhbABagwZPgxWFCqMCmW6BGxcDAQEBATg1giUBAQU6HCMQCBEHDCUPBSUDBxoTiEDNVxcWjEaBJVcHhDkEjmyGGINwlhkrgS0 Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail06.adl2.internode.on.net with ESMTP; 24 Apr 2014 09:14:55 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1Wd6qT-0006L6-4i; Thu, 24 Apr 2014 09:44:53 +1000 Date: Thu, 24 Apr 2014 09:44:53 +1000 From: Dave Chinner To: Christoph Hellwig Cc: xfs@oss.sgi.com Subject: [PATCH 3/6 v2] generic: introduce new large ACL test Message-ID: <20140423234452.GW15995@dastard> X-ASG-Orig-Subj: [PATCH 3/6 v2] generic: introduce new large ACL test References: <1398204274-2113-1-git-send-email-david@fromorbit.com> <1398204274-2113-4-git-send-email-david@fromorbit.com> <20140423152313.GC26128@infradead.org> <20140423230915.GV15995@dastard> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140423230915.GV15995@dastard> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail06.adl2.internode.on.net[150.101.137.129] X-Barracuda-Start-Time: 1398296696 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.60 X-Barracuda-Spam-Status: No, SCORE=0.60 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=INFO_TLD, MARKETING_SUBJECT X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5199 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.60 MARKETING_SUBJECT Subject contains popular marketing words 0.00 INFO_TLD URI: Contains an URL in the INFO top-level domain From: Dave Chinner Having just removed the largeacl test from the shared ACL test, reintroduce the same test as an generic test so that we can handle the different limits in supported ACL count appropriately across different filesystems and different configurations within filesystem types. Filesystems have to add support to _acl_get_max to run this test - the default behaviour right now is to throw a notrun error like this: generic/026 14s ... [not run] ext4 does not define maximum ACL count Signed-off-by: Dave Chinner --- common/attr | 31 ++++++++++++ tests/generic/026 | 132 ++++++++++++++++++++++++++++++++++++++++++++++++++ tests/generic/026.out | 9 ++++ tests/generic/group | 1 + 4 files changed, 173 insertions(+) diff --git a/common/attr b/common/attr index 83bf9d1..6fdcbf2 100644 --- a/common/attr +++ b/common/attr @@ -21,6 +21,37 @@ #----------------------------------------------------------------------- # common extended attribute and ACL support +# filesystems that want to test maximum supported acl counts need to +# add support in here +_acl_get_max() +{ + case $FSTYP in + xfs) + # CRC format filesystems have much larger ACL counts. The actual + # number is into the thousands, but testing that meany takes too + # long, so just test well past the old limit of 25. + xfs_info $TEST_DIR | _filter_mkfs > /dev/null 2> $tmp.info + . $tmp.info + rm $tmp.info + if [ $_fs_has_crcs -eq 0 ]; then + echo 25 + else + echo 5461 + fi + ;; + *) + echo 0 + ;; + esac +} + +_require_acl_get_max() +{ + if [ $(_acl_get_max) -eq 0 ]; then + _notrun "$FSTYP does not define maximum ACL count" + fi +} + # pick three unused user/group ids, store them as $acl[1-3] # _acl_setup_ids() diff --git a/tests/generic/026 b/tests/generic/026 new file mode 100644 index 0000000..6dae966 --- /dev/null +++ b/tests/generic/026 @@ -0,0 +1,132 @@ +#! /bin/bash +# FS QA Test No. generic/026 +# +# Test out ACL count limits +# +#----------------------------------------------------------------------- +# Copyright (c) 2000-2002 Silicon Graphics, Inc. All Rights Reserved. +# Copyright (c) 2014 Red hat, Inc. All Rights Reserved. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it would be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write the Free Software Foundation, +# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +# +#----------------------------------------------------------------------- +# + +seq=`basename $0` +seqres=$RESULT_DIR/$seq +echo "QA output created by $seq" + +here=`pwd` +tmp=/tmp/$$ +runas=$here/src/runas +status=1 # FAILure is the default! +trap "_cleanup; exit \$status" 0 1 2 3 15 + +# get standard environment, filters and checks +. ./common/rc +. ./common/filter +. ./common/attr + +_cleanup() +{ + cd / + rm -f $tmp.* + [ -n "$TEST_DIR" ] && rm -rf $TEST_DIR/$seq.dir1 +} + +# real QA test starts here +_supported_fs generic +_supported_os Linux +_require_scratch +_need_to_be_root +_acl_setup_ids +_require_acls +_require_acl_get_max + +[ -x $runas ] || _notrun "$runas executable not found" + +rm -f $seqres.full + +# get dir +cd $TEST_DIR +rm -rf $seq.dir1 +mkdir $seq.dir1 +cd $seq.dir1 + +# we return E2BIG if hit the max acl limits on new kernel, but EINVAL +# on old kernel. So we need to filter out the error message in order +# to make the updated golden output works for both old and new kernels. +_filter_largeacl() +{ + sed -e "s/Invalid argument/Argument list too long/" +} + +# filter all the non-ace stuff from the acl output so the count is +# correct. Note that this assumes that _create_n_aces always creates rwx acls. +_filter_acls() +{ + _filter_aces | grep ':rwx' +} + +# store the output in seqres.full, then run again an count and filter the +# output. +check_acls() +{ + _acl=$1 + _count=$2 + + chacl $_acl largeaclfile 2>&1 | _filter_largeacl + getfacl --numeric largeaclfile | _filter_aces \ + >> $seqres.full 2> /dev/null + nacls=`getfacl --numeric largeaclfile | _filter_acls | wc -l` + if [ $nacls -ne $_count ]; then + echo Wrong ACL count - $nacls != $_count + fi +} + + +echo "" +echo "=== Test out large ACLs ===" +touch largeaclfile + +ACL_MAX_ENTRIES=$(_acl_get_max) +num_aces_pre=$((ACL_MAX_ENTRIES - 1)) +num_aces_post=$((ACL_MAX_ENTRIES + 1)) + +acl1=`_create_n_aces $num_aces_pre` +acl2=`_create_n_aces $ACL_MAX_ENTRIES` +acl3=`_create_n_aces $num_aces_post` +acl4=`_create_n_aces 16` # Andreas G. libacl size for initial get +acl5=`_create_n_aces 17` # 1 over A.G. libacl initial size + +echo "1 below acl max" +check_acls $acl1 $num_aces_pre + +echo "acl max" +check_acls $acl2 $ACL_MAX_ENTRIES + +# we expect the ACL change to fail, so the old ACLs should remain on the +# file. Hence the expected ACL count is XFS_ACL_MAX_ENTRIES, not num_aces_post. +echo "1 above acl max" +check_acls $acl3 $ACL_MAX_ENTRIES + +echo "use 16 aces" +check_acls $acl4 16 + +echo "use 17 aces" +check_acls $acl5 17 + +# success, all done +status=0 +exit diff --git a/tests/generic/026.out b/tests/generic/026.out new file mode 100644 index 0000000..c36b7f0 --- /dev/null +++ b/tests/generic/026.out @@ -0,0 +1,9 @@ +QA output created by 026 + +=== Test out large ACLs === +1 below acl max +acl max +1 above acl max +chacl: cannot set access acl on "largeaclfile": Argument list too long +use 16 aces +use 17 aces diff --git a/tests/generic/group b/tests/generic/group index 60d6066..961f4e5 100644 --- a/tests/generic/group +++ b/tests/generic/group @@ -28,6 +28,7 @@ 023 auto quick 024 auto quick 025 auto quick +026 acl quick auto 053 acl repair auto quick 062 attr udf auto quick 068 other auto freeze dangerous stress From bfoster@redhat.com Wed Apr 23 19:39:16 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 3B86D7F52 for ; Wed, 23 Apr 2014 19:39:16 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id CE337AC00E for ; Wed, 23 Apr 2014 17:39:15 -0700 (PDT) X-ASG-Debug-ID: 1398299951-04bdf05c74134b0001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id Y9R8HGyOw41syAor for ; Wed, 23 Apr 2014 17:39:11 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx14.intmail.prod.int.phx2.redhat.com (int-mx14.intmail.prod.int.phx2.redhat.com [10.5.11.27]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3O0d9sY023996 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 23 Apr 2014 20:39:09 -0400 Received: from laptop.bfoster (vpn-227-80.phx2.redhat.com [10.3.227.80]) by int-mx14.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s3O0d8Pm023887; Wed, 23 Apr 2014 20:39:09 -0400 Received: from laptop.bfoster (localhost.localdomain [127.0.0.1]) by laptop.bfoster (Postfix) with ESMTP id 63899120AC3; Wed, 23 Apr 2014 20:39:08 -0400 (EDT) Received: (from bfoster@localhost) by laptop.bfoster (8.14.7/8.14.7/Submit) id s3O0d6vQ003711; Wed, 23 Apr 2014 20:39:06 -0400 X-Authentication-Warning: laptop.bfoster: bfoster set sender to bfoster@redhat.com using -f Date: Wed, 23 Apr 2014 20:39:05 -0400 From: Brian Foster To: Dave Chinner Cc: xfs@oss.sgi.com Subject: Re: [PATCH v3 14/20] xfsprogs/repair: phase 2 finobt scan Message-ID: <20140424003905.GA3435@laptop.bfoster> X-ASG-Orig-Subj: Re: [PATCH v3 14/20] xfsprogs/repair: phase 2 finobt scan References: <1397146270-42993-1-git-send-email-bfoster@redhat.com> <1397146270-42993-15-git-send-email-bfoster@redhat.com> <20140423061945.GO15995@dastard> <20140423200151.GD5225@bfoster.bfoster> <20140423230643.GU15995@dastard> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140423230643.GU15995@dastard> User-Agent: Mutt/1.5.21 (2010-09-15) X-Scanned-By: MIMEDefang 2.68 on 10.5.11.27 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1398299951 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Thu, Apr 24, 2014 at 09:06:43AM +1000, Dave Chinner wrote: > On Wed, Apr 23, 2014 at 04:01:52PM -0400, Brian Foster wrote: > > On Wed, Apr 23, 2014 at 04:19:45PM +1000, Dave Chinner wrote: > > > On Thu, Apr 10, 2014 at 12:11:04PM -0400, Brian Foster wrote: > > > > If one exists, scan the free inode btree in phase 2 of xfs_repair. > > > > We use the same general infrastructure as for the inobt scan, but > > > > trigger finobt chunk scan logic in in scan_inobt() via the magic > > > > value. > > > > > > > > The new scan_single_finobt_chunk() function is similar to the inobt > > > > equivalent with some finobt specific logic. We can expect that > > > > underlying inode chunk blocks are already marked used due to the > > > > previous inobt scan. We can also expect to find every record > > > > tracked by the finobt already accounted for in the in-core tree > > > > with equivalent (and internally consistent) inobt record data. > > > > > > > > Spit out a warning on any divergences from the above and add the > > > > inodes referenced by the current finobt record to the appropriate > > > > in-core tree. > > > > > > > > Signed-off-by: Brian Foster > > > .... > > > > + > > > > + if (!suspect) { > > > > + /* > > > > + * inodes previously inserted into the uncertain tree should be > > > > + * superceded by these when the uncertain tree is processed > > > > + */ > > > > + nfree = 0; > > > > + if (XFS_INOBT_IS_FREE_DISK(rp, 0)) { > > > > + nfree++; > > > > + ino_rec = set_inode_free_alloc(mp, agno, ino); > > > > + } else { > > > > + ino_rec = set_inode_used_alloc(mp, agno, ino); > > > > + } > > > > + for (j = 1; j < XFS_INODES_PER_CHUNK; j++) { > > > > + if (XFS_INOBT_IS_FREE_DISK(rp, j)) { > > > > + nfree++; > > > > + set_inode_free(ino_rec, j); > > > > + } else { > > > > + set_inode_used(ino_rec, j); > > > > + } > > > > + } > > > > + } else { > > > > + /* > > > > + * this should handle the case where the inobt scan may have > > > > + * already added uncertain inodes > > > > + */ > > > > + nfree = 0; > > > > + for (j = 0; j < XFS_INODES_PER_CHUNK; j++) { > > > > + if (XFS_INOBT_IS_FREE_DISK(rp, j)) { > > > > + add_aginode_uncertain(mp, agno, ino + j, 1); > > > > + nfree++; > > > > + } else { > > > > + add_aginode_uncertain(mp, agno, ino + j, 0); > > > > + } > > > > + } > > > > + } > > > > + > > > > +check_freecount: > > > > + > > > > + if (nfree != be32_to_cpu(rp->ir_freecount)) { > > > > + do_warn( > > > > +_("finobt ir_freecount/free mismatch, inode chunk %d/%u, freecount %d nfree %d\n"), > > > > + agno, ino, be32_to_cpu(rp->ir_freecount), nfree); > > > > + } > > > > + > > > > + if (!nfree) { > > > > + do_warn( > > > > +_("finobt record with no free inodes, inode chunk %d/%u\n"), agno, ino); > > > > + } > > > > > > Shouldn't both of these increment suspect? > > > > > > > So at this point of the scan, we're processing through finobt leaf > > blocks. Setting suspect has two side effects that I can see: > > > > 1.) Suppressing the additional, more granular checks for the > > records/inodes that make up the remainder of the block. > > > > 2.) Setting bad_ino_btree, which causes us to skip phases 6 and 7. > > > > I think my thought process was that side effect #2 was generally too > > heavy handed for a scenario where the freecount doesn't happen to match > > or we've failed to remove a fully allocated record from the finobt. > > Yes, that's true. > > > Furthermore, we already increment suspect in this function if either the > > allocation state of the inode chunk blocks or the allocation state of > > any individual inode is unexpected based on the inobt state. The > > additional value of the freecount checks is to catch any kind of > > intra-record corruption or inter-freecount corruption across the trees, > > which IIUC would be fixed naturally provided nothing else is wrong > > (e.g., suspect remains 0) when the trees are regenerated. > > > > In other words, if inode allocation state does differ between the trees, > > we already do set suspect. If these warnings fire without suspect being > > set, it means we just need to fix up the freecount and there is no > > broader tree corruption. Thoughts? > > Seems reasonable. Perhaps a comment explaining this would be a good > idea - we dont have nearly enough comments in repair explaining how > it is cross-validating different pieces of metadata... > Indeed. I had to rethink through that a bit myself, and I wrote the code. ;) So it's not really clear in and of itself. The assumptions being documented also helps clarify the correctness of the previous checks, as demonstrated by the bug below. I'll add some comments to help clear this up. Brian > > NOTE: > > > > When looking through this again, I think there is a hole in the > > allocation state logic in that we don't catch a case where the finobt > > inode could be allocated and the inobt inode marked as free: > > > > if (first_rec) { > > ... > > > > nfree = 0; > > for (j = 0; j < XFS_INODES_PER_CHUNK; j++) { > > if (XFS_INOBT_IS_FREE_DISK(rp, j)) { > > nfree++; > > if (!suspect && !is_inode_free(first_rec, j)) > > suspect++; > > } > > /* > > * XXX: else if the finobt inode is allocated, confirm > > * here that the inobt inode is allocated as well! > > */ > > } > > goto check_freecount; > > } > > > > I think something like this might work: > > > > if (first_rec) { > > ... > > > > nfree = 0; > > for (j = 0; j < XFS_INODES_PER_CHUNK; j++) { > > int isfree = XFS_INOBT_IS_FREE_DISK(rp, j); > > > > if (isfree) > > nfree++; > > > > if (!suspect && > > isfree != is_inode_free(first_rec, j)) > > suspect++; > > } > > goto check_freecount; > > } > > Yes, that makes sense - we need to validate in both directions. > Again, a comment would be a useful reminder here. ;) > > Cheers, > > Dave. > -- > Dave Chinner > david@fromorbit.com From dave@fromorbit.com Thu Apr 24 00:02:49 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id DE3DA7F52 for ; Thu, 24 Apr 2014 00:02:49 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id AEB378F8052 for ; Wed, 23 Apr 2014 22:02:49 -0700 (PDT) X-ASG-Debug-ID: 1398315767-04bdf05c7522120001-NocioJ Received: from ipmail04.adl6.internode.on.net (ipmail04.adl6.internode.on.net [150.101.137.141]) by cuda.sgi.com with ESMTP id Fz0JikWvYG29eCc1 for ; Wed, 23 Apr 2014 22:02:47 -0700 (PDT) X-Barracuda-Envelope-From: dave@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.141 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AjxdAGiaWFN5LEcvPGdsb2JhbABagwaIbqJ/mwYXAwEBAQE4NYIlAQEFJy8zCBgxOQMHFBmIQMxejXSBAYQjBK8OK4Es Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail04.adl6.internode.on.net with ESMTP; 24 Apr 2014 14:32:07 +0930 Received: from disappointment.disaster.area ([192.168.1.110] helo=disappointment) by dastard with esmtp (Exim 4.80) (envelope-from ) id 1WdBnQ-0006xx-Rb for xfs@oss.sgi.com; Thu, 24 Apr 2014 15:02:04 +1000 Received: from dave by disappointment with local (Exim 4.82) (envelope-from ) id 1WdBnQ-0005gM-QV for xfs@oss.sgi.com; Thu, 24 Apr 2014 15:02:04 +1000 From: Dave Chinner To: xfs@oss.sgi.com Subject: [PATCH 6/9] repair: report AG btree verifier errors Date: Thu, 24 Apr 2014 15:01:59 +1000 X-ASG-Orig-Subj: [PATCH 6/9] repair: report AG btree verifier errors Message-Id: <1398315722-20870-7-git-send-email-david@fromorbit.com> X-Mailer: git-send-email 1.9.0 In-Reply-To: <1398315722-20870-1-git-send-email-david@fromorbit.com> References: <1398315722-20870-1-git-send-email-david@fromorbit.com> X-Barracuda-Connect: ipmail04.adl6.internode.on.net[150.101.137.141] X-Barracuda-Start-Time: 1398315767 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5205 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- From: Dave Chinner When we scan the filesystem freespace and inode maps in phase 2, we don't report CRC errors that are found. We don't really care from a repair perspective, because the trees are completely rebuilt from the ground up in phase 5, but froma checking perspective we need to inform the user that we found inconsistencies. Signed-off-by: Dave Chinner --- repair/scan.c | 25 ++++++++++++++++++++++++- 1 file changed, 24 insertions(+), 1 deletion(-) diff --git a/repair/scan.c b/repair/scan.c index d022723..9cd0e7d 100644 --- a/repair/scan.c +++ b/repair/scan.c @@ -82,6 +82,12 @@ scan_sbtree( do_error(_("can't read btree block %d/%d\n"), agno, root); return; } + if (bp->b_error == EFSBADCRC || bp->b_error == EFSCORRUPTED) { + do_warn(_("btree block %d/%d is suspect, error %d\n"), + agno, root, bp->b_error); + suspect = 1; + } + (*func)(XFS_BUF_TO_BLOCK(bp), nlevels - 1, root, agno, suspect, isroot, magic, priv); libxfs_putbuf(bp); @@ -123,6 +129,7 @@ scan_lbtree( xfs_buf_t *bp; int err; int dirty = 0; + bool badcrc = false; bp = libxfs_readbuf(mp->m_dev, XFS_FSB_TO_DADDR(mp, root), XFS_FSB_TO_BB(mp, 1), 0, ops); @@ -132,6 +139,19 @@ scan_lbtree( XFS_FSB_TO_AGBNO(mp, root)); return(1); } + + /* + * only check for bad CRC here - caller will determine if there + * is a corruption or not and whether it got corrected and so needs + * writing back. CRC errors always imply we need to write the block. + */ + if (bp->b_error == EFSBADCRC) { + do_warn(_("btree block %d/%d is suspect, error %d\n"), + XFS_FSB_TO_AGNO(mp, root), + XFS_FSB_TO_AGBNO(mp, root), bp->b_error); + badcrc = true; + } + err = (*func)(XFS_BUF_TO_BLOCK(bp), nlevels - 1, type, whichfork, root, ino, tot, nex, blkmapp, bm_cursor, isroot, check_dups, &dirty, @@ -139,7 +159,7 @@ scan_lbtree( ASSERT(dirty == 0 || (dirty && !no_modify)); - if (dirty && !no_modify) + if ((dirty || badcrc) && !no_modify) libxfs_writebuf(bp, 0); else libxfs_putbuf(bp); @@ -1066,6 +1086,9 @@ scan_freelist( do_abort(_("can't read agfl block for ag %d\n"), agno); return; } + if (agflbuf->b_error == EFSBADCRC) + do_warn(_("agfl has bad CRC for ag %d\n"), agno); + freelist = XFS_BUF_TO_AGFL_BNO(mp, agflbuf); i = be32_to_cpu(agf->agf_flfirst); -- 1.9.0 From dave@fromorbit.com Thu Apr 24 00:02:50 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id E9C6D7F52 for ; Thu, 24 Apr 2014 00:02:50 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id D71A28F8052 for ; Wed, 23 Apr 2014 22:02:50 -0700 (PDT) X-ASG-Debug-ID: 1398315766-04cb6c2b7c22a50001-NocioJ Received: from ipmail04.adl6.internode.on.net (ipmail04.adl6.internode.on.net [150.101.137.141]) by cuda.sgi.com with ESMTP id KgdaDUaW1myTotNf for ; Wed, 23 Apr 2014 22:02:46 -0700 (PDT) X-Barracuda-Envelope-From: dave@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.141 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AsCWAGiaWFN5LEcvPGdsb2JhbABagwZPqwwCEJsGFwMBAQEBODWDAjuBAgMHiG0Omg6yQoxcghmEIwSjYokoggQr Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail04.adl6.internode.on.net with ESMTP; 24 Apr 2014 14:32:07 +0930 Received: from disappointment.disaster.area ([192.168.1.110] helo=disappointment) by dastard with esmtp (Exim 4.80) (envelope-from ) id 1WdBnQ-0006xr-OJ for xfs@oss.sgi.com; Thu, 24 Apr 2014 15:02:04 +1000 Received: from dave by disappointment with local (Exim 4.82) (envelope-from ) id 1WdBnQ-0005fu-NS for xfs@oss.sgi.com; Thu, 24 Apr 2014 15:02:04 +1000 From: Dave Chinner To: xfs@oss.sgi.com Subject: [PATCH 0/9 V2] xfs_db, xfs_repair: improve CRC error detection Date: Thu, 24 Apr 2014 15:01:53 +1000 X-ASG-Orig-Subj: [PATCH 0/9 V2] xfs_db, xfs_repair: improve CRC error detection Message-Id: <1398315722-20870-1-git-send-email-david@fromorbit.com> X-Mailer: git-send-email 1.9.0 X-Barracuda-Connect: ipmail04.adl6.internode.on.net[150.101.137.141] X-Barracuda-Start-Time: 1398315766 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5204 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- Hi folks, This is version 2 of the patchset first posted here: http://oss.sgi.com/archives/xfs/2014-04/msg00374.html The version corrects all the issues mentioned in the first review. It doesn't try to rework the directory buffer read issue that Christoph was concerned about - API changes are necessary so we'll do that through the kernel first in a separate patchset. Version 2: - move LIBXFS_B_UNCHECKED to the correct patch (patch 1) - set_cur_iotype assumes a valid type (patch 2) - comments added to explain the way LIBXFS_B_UNCHECKED and dirty buffers are supposed to interact (patch 3) - fixed comment flow and added separate "crc_error" return variable to dir_read_buf() (patch 4) - reworked CRC error handling of AG headers (patch 5) - readded missing dirty/no_modify assert (patch 6) - fixed typos (patch 8) - fixed "repair" variable initialisation flow (patch 9) - fixed dirty buffer accounting on the cursor to dirty the correct buffer on CRC errors, added some clarifying comments (patch 9) Comments and testing welcome! -Dave. From dave@fromorbit.com Thu Apr 24 00:02:50 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id EDAA97F53 for ; Thu, 24 Apr 2014 00:02:50 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id B2CF9304059 for ; Wed, 23 Apr 2014 22:02:50 -0700 (PDT) X-ASG-Debug-ID: 1398315767-04bdf05c7522120002-NocioJ Received: from ipmail04.adl6.internode.on.net (ipmail04.adl6.internode.on.net [150.101.137.141]) by cuda.sgi.com with ESMTP id wsHmqozpYcp8YKju for ; Wed, 23 Apr 2014 22:02:48 -0700 (PDT) X-Barracuda-Envelope-From: dave@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.141 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AjxdAGiaWFN5LEcvPGdsb2JhbABagwaIbqJ/mwYXAwEBAQE4NYIlAQEFJy8zCBgxOQMHFBmIQMxekxgErw4rgS4k Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail04.adl6.internode.on.net with ESMTP; 24 Apr 2014 14:32:07 +0930 Received: from disappointment.disaster.area ([192.168.1.110] helo=disappointment) by dastard with esmtp (Exim 4.80) (envelope-from ) id 1WdBnQ-0006y0-TA for xfs@oss.sgi.com; Thu, 24 Apr 2014 15:02:04 +1000 Received: from dave by disappointment with local (Exim 4.82) (envelope-from ) id 1WdBnQ-0005gb-SB for xfs@oss.sgi.com; Thu, 24 Apr 2014 15:02:04 +1000 From: Dave Chinner To: xfs@oss.sgi.com Subject: [PATCH 9/9] repair: detect and handle attribute tree CRC errors Date: Thu, 24 Apr 2014 15:02:02 +1000 X-ASG-Orig-Subj: [PATCH 9/9] repair: detect and handle attribute tree CRC errors Message-Id: <1398315722-20870-10-git-send-email-david@fromorbit.com> X-Mailer: git-send-email 1.9.0 In-Reply-To: <1398315722-20870-1-git-send-email-david@fromorbit.com> References: <1398315722-20870-1-git-send-email-david@fromorbit.com> X-Barracuda-Connect: ipmail04.adl6.internode.on.net[150.101.137.141] X-Barracuda-Start-Time: 1398315768 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5205 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- From: Dave Chinner Currently the attribute code will not detect and correct errors in the attribute tree. It also fails to validate the CRCs and headers on remote attribute blocks. Ensure that all the attribute blocks are CRC checked and that the processing functions understand the correct block formats for decoding. Signed-off-by: Dave Chinner --- repair/attr_repair.c | 45 +++++++++++++++++++++++++++++++++++++-------- 1 file changed, 37 insertions(+), 8 deletions(-) diff --git a/repair/attr_repair.c b/repair/attr_repair.c index ba85ac2..9b57960 100644 --- a/repair/attr_repair.c +++ b/repair/attr_repair.c @@ -604,6 +604,7 @@ verify_da_path(xfs_mount_t *mp, libxfs_putbuf(bp); return(1); } + /* * update cursor, write out the *current* level if * required. don't write out the descendant level @@ -615,6 +616,8 @@ verify_da_path(xfs_mount_t *mp, libxfs_writebuf(cursor->level[this_level].bp, 0); else libxfs_putbuf(cursor->level[this_level].bp); + + /* switch cursor to point at the new buffer we just read */ cursor->level[this_level].bp = bp; cursor->level[this_level].dirty = 0; cursor->level[this_level].bno = dabno; @@ -624,6 +627,14 @@ verify_da_path(xfs_mount_t *mp, cursor->level[this_level].n = newnode; #endif entry = cursor->level[this_level].index = 0; + + /* + * We want to rewrite the buffer a CRC error seeing as it + * contains what appears to be a valid node block, but only if + * we are fixing errors. + */ + if (bp->b_error == EFSBADCRC && !no_modify) + cursor->level[this_level].dirty++; } /* * ditto for block numbers @@ -974,6 +985,10 @@ rmtval_get(xfs_mount_t *mp, xfs_ino_t ino, blkmap_t *blkmap, xfs_dfsbno_t bno; xfs_buf_t *bp; int clearit = 0, i = 0, length = 0, amountdone = 0; + int hdrsize = 0; + + if (xfs_sb_version_hascrc(&mp->m_sb)) + hdrsize = sizeof(struct xfs_attr3_rmt_hdr); /* ASSUMPTION: valuelen is a valid number, so use it for looping */ /* Note that valuelen is not a multiple of blocksize */ @@ -986,16 +1001,26 @@ rmtval_get(xfs_mount_t *mp, xfs_ino_t ino, blkmap_t *blkmap, break; } bp = libxfs_readbuf(mp->m_dev, XFS_FSB_TO_DADDR(mp, bno), - XFS_FSB_TO_BB(mp, 1), 0, NULL); + XFS_FSB_TO_BB(mp, 1), 0, + &xfs_attr3_rmt_buf_ops); if (!bp) { do_warn( _("can't read remote block for attributes of inode %" PRIu64 "\n"), ino); clearit = 1; break; } + + if (bp->b_error == EFSBADCRC || bp->b_error == EFSCORRUPTED) { + do_warn( + _("Corrupt remote block for attributes of inode %" PRIu64 "\n"), ino); + clearit = 1; + break; + } + ASSERT(mp->m_sb.sb_blocksize == XFS_BUF_COUNT(bp)); - length = MIN(XFS_BUF_COUNT(bp), valuelen - amountdone); - memmove(value, XFS_BUF_PTR(bp), length); + + length = MIN(XFS_BUF_COUNT(bp) - hdrsize, valuelen - amountdone); + memmove(value, XFS_BUF_PTR(bp) + hdrsize, length); amountdone += length; value += length; i++; @@ -1143,7 +1168,6 @@ process_leaf_attr_block( xfs_attr3_leaf_hdr_from_disk(&leafhdr, leaf); clearit = usedbs = 0; - *repair = 0; firstb = mp->m_sb.sb_blocksize; stop = xfs_attr3_leaf_hdr_size(leaf); @@ -1320,13 +1344,16 @@ process_leaf_attr_level(xfs_mount_t *mp, } bp = libxfs_readbuf(mp->m_dev, XFS_FSB_TO_DADDR(mp, dev_bno), - XFS_FSB_TO_BB(mp, 1), 0, NULL); + XFS_FSB_TO_BB(mp, 1), 0, + &xfs_attr3_leaf_buf_ops); if (!bp) { do_warn( _("can't read file block %u (fsbno %" PRIu64 ") for attribute fork of inode %" PRIu64 "\n"), da_bno, dev_bno, ino); goto error_out; } + if (bp->b_error == EFSBADCRC) + repair++; leaf = bp->b_addr; xfs_attr3_leaf_hdr_from_disk(&leafhdr, leaf); @@ -1382,9 +1409,9 @@ process_leaf_attr_level(xfs_mount_t *mp, current_hashval = greatest_hashval; - if (repair && !no_modify) + if (repair && !no_modify) libxfs_writebuf(bp, 0); - else + else libxfs_putbuf(bp); } while (da_bno != 0); @@ -1512,6 +1539,8 @@ process_longform_attr( ino); return(1); } + if (bp->b_error == EFSBADCRC) + (*repair)++; /* verify leaf block */ leaf = (xfs_attr_leafblock_t *)XFS_BUF_PTR(bp); @@ -1555,7 +1584,7 @@ process_longform_attr( case XFS_DA_NODE_MAGIC: /* btree-form attribute */ case XFS_DA3_NODE_MAGIC: /* must do this now, to release block 0 before the traversal */ - if (repairlinks) { + if (*repair || repairlinks) { *repair = 1; libxfs_writebuf(bp, 0); } else -- 1.9.0 From dave@fromorbit.com Thu Apr 24 00:02:52 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 0FE877F56 for ; Thu, 24 Apr 2014 00:02:52 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id D8CFE304059 for ; Wed, 23 Apr 2014 22:02:51 -0700 (PDT) X-ASG-Debug-ID: 1398315767-04bdf05c7522120003-NocioJ Received: from ipmail04.adl6.internode.on.net (ipmail04.adl6.internode.on.net [150.101.137.141]) by cuda.sgi.com with ESMTP id ZPrFrQOdiO4IuAll for ; Wed, 23 Apr 2014 22:02:50 -0700 (PDT) X-Barracuda-Envelope-From: dave@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.141 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AjxdAGiaWFN5LEcvPGdsb2JhbABagwaIbqJ/mwYXAwEBAQE4NYIlAQEFJy8zCBgxOQMHFBmIQMxejnWEIwSvDis Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail04.adl6.internode.on.net with ESMTP; 24 Apr 2014 14:32:07 +0930 Received: from disappointment.disaster.area ([192.168.1.110] helo=disappointment) by dastard with esmtp (Exim 4.80) (envelope-from ) id 1WdBnQ-0006xt-P3 for xfs@oss.sgi.com; Thu, 24 Apr 2014 15:02:04 +1000 Received: from dave by disappointment with local (Exim 4.82) (envelope-from ) id 1WdBnQ-0005g2-ON for xfs@oss.sgi.com; Thu, 24 Apr 2014 15:02:04 +1000 From: Dave Chinner To: xfs@oss.sgi.com Subject: [PATCH 2/9] db: verify buffer on type change Date: Thu, 24 Apr 2014 15:01:55 +1000 X-ASG-Orig-Subj: [PATCH 2/9] db: verify buffer on type change Message-Id: <1398315722-20870-3-git-send-email-david@fromorbit.com> X-Mailer: git-send-email 1.9.0 In-Reply-To: <1398315722-20870-1-git-send-email-david@fromorbit.com> References: <1398315722-20870-1-git-send-email-david@fromorbit.com> X-Barracuda-Connect: ipmail04.adl6.internode.on.net[150.101.137.141] X-Barracuda-Start-Time: 1398315769 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5205 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- From: Dave Chinner Currently when the type command is run, we simply change the type associated with the buffer, but don't verify it. This results in unchecked CRCs being displayed. Hence when changing the type, run the verifier associated with the type to determine if the buffer contents is valid or not. Signed-off-by: Dave Chinner --- db/io.c | 24 ++++++++++++++++++++++++ db/io.h | 1 + db/type.c | 9 +++++---- 3 files changed, 30 insertions(+), 4 deletions(-) diff --git a/db/io.c b/db/io.c index 387f171..7f1b76a 100644 --- a/db/io.c +++ b/db/io.c @@ -552,6 +552,30 @@ set_cur( ring_add(); } +void +set_iocur_type( + const typ_t *t) +{ + struct xfs_buf *bp = iocur_top->bp; + + iocur_top->typ = t; + + /* verify the buffer if the type has one. */ + if (!bp) + return; + if (!t->bops) { + bp->b_ops = NULL; + bp->b_flags |= LIBXFS_B_UNCHECKED; + return; + } + if (!(bp->b_flags & LIBXFS_B_UPTODATE)) + return; + bp->b_error = 0; + bp->b_ops = t->bops; + bp->b_ops->verify_read(bp); + bp->b_flags &= ~LIBXFS_B_UNCHECKED; +} + static void stack_help(void) { diff --git a/db/io.h b/db/io.h index 7875119..71082e6 100644 --- a/db/io.h +++ b/db/io.h @@ -62,6 +62,7 @@ extern void write_cur(void); extern void set_cur(const struct typ *t, __int64_t d, int c, int ring_add, bbmap_t *bbmap); extern void ring_add(void); +extern void set_iocur_type(const struct typ *t); /* * returns -1 for unchecked, 0 for bad and 1 for good diff --git a/db/type.c b/db/type.c index 04d0d56..b29f2a4 100644 --- a/db/type.c +++ b/db/type.c @@ -162,10 +162,11 @@ type_f( if (tt == NULL) { dbprintf(_("no such type %s\n"), argv[1]); } else { - if (iocur_top->typ == NULL) { - dbprintf(_("no current object\n")); - } else { - iocur_top->typ = cur_typ = tt; + if (iocur_top->typ == NULL) + dbprintf(_("no current object\n")); + else { + cur_typ = tt; + set_iocur_type(tt); } } } -- 1.9.0 From dave@fromorbit.com Thu Apr 24 00:02:52 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id C34887F56 for ; Thu, 24 Apr 2014 00:02:52 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 49AF7AC007 for ; Wed, 23 Apr 2014 22:02:52 -0700 (PDT) X-ASG-Debug-ID: 1398315764-04cbb04b9222ce0002-NocioJ Received: from ipmail04.adl6.internode.on.net (ipmail04.adl6.internode.on.net [150.101.137.141]) by cuda.sgi.com with ESMTP id LPnn50XjDHNdPChz for ; Wed, 23 Apr 2014 22:02:50 -0700 (PDT) X-Barracuda-Envelope-From: dave@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.141 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AjxdAGiaWFN5LEcvPGdsb2JhbABagwaIbqJ/mwYXAwEBAQE4NYIlAQEFJy8zCBgxOQMHFBmIQMxekxgErw4rgS4k Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail04.adl6.internode.on.net with ESMTP; 24 Apr 2014 14:32:07 +0930 Received: from disappointment.disaster.area ([192.168.1.110] helo=disappointment) by dastard with esmtp (Exim 4.80) (envelope-from ) id 1WdBnQ-0006xu-PQ for xfs@oss.sgi.com; Thu, 24 Apr 2014 15:02:04 +1000 Received: from dave by disappointment with local (Exim 4.82) (envelope-from ) id 1WdBnQ-0005g7-Om for xfs@oss.sgi.com; Thu, 24 Apr 2014 15:02:04 +1000 From: Dave Chinner To: xfs@oss.sgi.com Subject: [PATCH 3/9] repair: ensure prefetched buffers have CRCs validated Date: Thu, 24 Apr 2014 15:01:56 +1000 X-ASG-Orig-Subj: [PATCH 3/9] repair: ensure prefetched buffers have CRCs validated Message-Id: <1398315722-20870-4-git-send-email-david@fromorbit.com> X-Mailer: git-send-email 1.9.0 In-Reply-To: <1398315722-20870-1-git-send-email-david@fromorbit.com> References: <1398315722-20870-1-git-send-email-david@fromorbit.com> X-Barracuda-Connect: ipmail04.adl6.internode.on.net[150.101.137.141] X-Barracuda-Start-Time: 1398315769 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5205 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- From: Dave Chinner Prefetch currently does not do CRC validation when the IO completes due to the optimisation it performs and the fact that it does not know what the type of metadata into the buffer is supposed to be. Hence, mark all prefetched buffers as "suspect" so that when the end user tries to read it with a supplied validation function the validation is run even though the buffer was already in the cache. Signed-off-by: Dave Chinner --- libxfs/rdwr.c | 43 ++++++++++++++++++++++++++++++++++++++----- repair/prefetch.c | 3 +++ 2 files changed, 41 insertions(+), 5 deletions(-) diff --git a/libxfs/rdwr.c b/libxfs/rdwr.c index 7208a2f..92b1182 100644 --- a/libxfs/rdwr.c +++ b/libxfs/rdwr.c @@ -718,12 +718,32 @@ libxfs_readbuf(struct xfs_buftarg *btp, xfs_daddr_t blkno, int len, int flags, bp = libxfs_getbuf(btp, blkno, len); if (!bp) return NULL; - if ((bp->b_flags & (LIBXFS_B_UPTODATE|LIBXFS_B_DIRTY))) + + /* + * if the buffer was prefetched, it is likely that it was not validated. + * Hence if we are supplied an ops function and the buffer is marked as + * unchecked, we need to validate it now. + * + * We do this verification even if the buffer is dirty - the + * verification is almost certainly going to fail the CRC check in this + * case as a dirty buffer has not had the CRC recalculated. However, we + * should not be dirtying unchecked buffers and therefore failing it + * here because it's dirty and unchecked indicates we've screwed up + * somewhere else. + */ + if ((bp->b_flags & (LIBXFS_B_UPTODATE|LIBXFS_B_DIRTY))) { + if (ops && (bp->b_flags & LIBXFS_B_UNCHECKED)) { + bp->b_error = 0; + bp->b_ops = ops; + bp->b_ops->verify_read(bp); + bp->b_flags &= ~LIBXFS_B_UNCHECKED; + } return bp; + } /* - * only set the ops on a cache miss (i.e. first physical read) as the - * verifier may change the ops to match the typ eof buffer it contains. + * Set the ops on a cache miss (i.e. first physical read) as the + * verifier may change the ops to match the type of buffer it contains. * A cache hit might reset the verifier to the original type if we set * it again, but it won't get called again and set to match the buffer * contents. *cough* xfs_da_node_buf_ops *cough*. @@ -733,8 +753,10 @@ libxfs_readbuf(struct xfs_buftarg *btp, xfs_daddr_t blkno, int len, int flags, error = libxfs_readbufr(btp, blkno, bp, len, flags); if (error) bp->b_error = error; - else if (bp->b_ops) + else if (bp->b_ops) { bp->b_ops->verify_read(bp); + bp->b_flags &= ~LIBXFS_B_UNCHECKED; + } return bp; } @@ -786,6 +808,14 @@ libxfs_readbuf_map(struct xfs_buftarg *btp, struct xfs_buf_map *map, int nmaps, return NULL; bp->b_error = 0; + if ((bp->b_flags & (LIBXFS_B_UPTODATE|LIBXFS_B_DIRTY))) { + if (ops && (bp->b_flags & LIBXFS_B_UNCHECKED)) { + bp->b_ops = ops; + bp->b_ops->verify_read(bp); + bp->b_flags &= ~LIBXFS_B_UNCHECKED; + } + return bp; + } bp->b_ops = ops; if ((bp->b_flags & (LIBXFS_B_UPTODATE|LIBXFS_B_DIRTY))) return bp; @@ -793,8 +823,10 @@ libxfs_readbuf_map(struct xfs_buftarg *btp, struct xfs_buf_map *map, int nmaps, error = libxfs_readbufr_map(btp, bp, flags); if (!error) { bp->b_flags |= LIBXFS_B_UPTODATE; - if (bp->b_ops) + if (bp->b_ops) { bp->b_ops->verify_read(bp); + bp->b_flags &= ~LIBXFS_B_UNCHECKED; + } } #ifdef IO_DEBUG printf("%lx: %s: read %lu bytes, error %d, blkno=%llu(%llu), %p\n", @@ -889,6 +921,7 @@ libxfs_writebufr(xfs_buf_t *bp) if (!error) { bp->b_flags |= LIBXFS_B_UPTODATE; bp->b_flags &= ~(LIBXFS_B_DIRTY | LIBXFS_B_EXIT); + bp->b_flags &= ~LIBXFS_B_UNCHECKED; } return error; } diff --git a/repair/prefetch.c b/repair/prefetch.c index 6d6d344..d794ba3 100644 --- a/repair/prefetch.c +++ b/repair/prefetch.c @@ -389,6 +389,7 @@ pf_read_inode_dirs( bp->b_ops = &xfs_inode_buf_ops; bp->b_ops->verify_read(bp); + bp->b_flags &= ~LIBXFS_B_UNCHECKED; if (bp->b_error) return; @@ -460,6 +461,7 @@ pf_read_discontig( pthread_mutex_unlock(&args->lock); libxfs_readbufr_map(mp->m_ddev_targp, bp, 0); + bp->b_flags |= LIBXFS_B_UNCHECKED; libxfs_putbuf(bp); pthread_mutex_lock(&args->lock); } @@ -583,6 +585,7 @@ pf_batch_read( break; memcpy(XFS_BUF_PTR(bplist[i]), pbuf, size); bplist[i]->b_flags |= LIBXFS_B_UPTODATE; + bplist[i]->b_flags |= LIBXFS_B_UNCHECKED; len -= size; if (B_IS_INODE(XFS_BUF_PRIORITY(bplist[i]))) pf_read_inode_dirs(args, bplist[i]); -- 1.9.0 From dave@fromorbit.com Thu Apr 24 00:02:53 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id AA0B37F5F for ; Thu, 24 Apr 2014 00:02:53 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id 6D85F304062 for ; Wed, 23 Apr 2014 22:02:53 -0700 (PDT) X-ASG-Debug-ID: 1398315767-04bdf05c7522120004-NocioJ Received: from ipmail04.adl6.internode.on.net (ipmail04.adl6.internode.on.net [150.101.137.141]) by cuda.sgi.com with ESMTP id x7W5o2odI5G5NexA for ; Wed, 23 Apr 2014 22:02:51 -0700 (PDT) X-Barracuda-Envelope-From: dave@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.141 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AjxdAGiaWFN5LEcvPGdsb2JhbABagwaIbqJ/mwYXAwEBAQE4NYIlAQEFJy8zCBgxOQMHFBmIQMxekxgErw4rgS4k Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail04.adl6.internode.on.net with ESMTP; 24 Apr 2014 14:32:07 +0930 Received: from disappointment.disaster.area ([192.168.1.110] helo=disappointment) by dastard with esmtp (Exim 4.80) (envelope-from ) id 1WdBnQ-0006xv-QM for xfs@oss.sgi.com; Thu, 24 Apr 2014 15:02:04 +1000 Received: from dave by disappointment with local (Exim 4.82) (envelope-from ) id 1WdBnQ-0005gC-PC for xfs@oss.sgi.com; Thu, 24 Apr 2014 15:02:04 +1000 From: Dave Chinner To: xfs@oss.sgi.com Subject: [PATCH 4/9] repair: detect and correct CRC errors in directory blocks Date: Thu, 24 Apr 2014 15:01:57 +1000 X-ASG-Orig-Subj: [PATCH 4/9] repair: detect and correct CRC errors in directory blocks Message-Id: <1398315722-20870-5-git-send-email-david@fromorbit.com> X-Mailer: git-send-email 1.9.0 In-Reply-To: <1398315722-20870-1-git-send-email-david@fromorbit.com> References: <1398315722-20870-1-git-send-email-david@fromorbit.com> X-Barracuda-Connect: ipmail04.adl6.internode.on.net[150.101.137.141] X-Barracuda-Start-Time: 1398315771 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5205 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- From: Dave Chinner repair doesn't currently verifier errors in directory blocks - they cause repair to ignore blocks and hence fail because it can't read critical blocks from the directory. Fix this by having the directory buffer read code detect a verifier error and retry the read without the verifier if the verifier has detected an error. Then pass the verifer error with the successfully read buffer back to the caller, so the caller can handle the error appropriately. In most cases, this is simply marking the directory as needing a rebuild, so once the directory entries have been checked and repaired, it will rewrite all the directory buffers (including the clean ones) and in the process recalculate all the the CRC on the directory blocks. Hence pure CRC errors in directory blocks are now handled correctly by xfs_repair. Signed-off-by: Dave Chinner --- libxfs/rdwr.c | 3 +- repair/phase6.c | 94 +++++++++++++++++++++++++++++++++++++++++++++------------ 2 files changed, 76 insertions(+), 21 deletions(-) diff --git a/libxfs/rdwr.c b/libxfs/rdwr.c index 92b1182..f0bc040 100644 --- a/libxfs/rdwr.c +++ b/libxfs/rdwr.c @@ -731,9 +731,9 @@ libxfs_readbuf(struct xfs_buftarg *btp, xfs_daddr_t blkno, int len, int flags, * here because it's dirty and unchecked indicates we've screwed up * somewhere else. */ + bp->b_error = 0; if ((bp->b_flags & (LIBXFS_B_UPTODATE|LIBXFS_B_DIRTY))) { if (ops && (bp->b_flags & LIBXFS_B_UNCHECKED)) { - bp->b_error = 0; bp->b_ops = ops; bp->b_ops->verify_read(bp); bp->b_flags &= ~LIBXFS_B_UNCHECKED; @@ -748,7 +748,6 @@ libxfs_readbuf(struct xfs_buftarg *btp, xfs_daddr_t blkno, int len, int flags, * it again, but it won't get called again and set to match the buffer * contents. *cough* xfs_da_node_buf_ops *cough*. */ - bp->b_error = 0; bp->b_ops = ops; error = libxfs_readbufr(btp, blkno, bp, len, flags); if (error) diff --git a/repair/phase6.c b/repair/phase6.c index 0c35e1c..5ae6a3d 100644 --- a/repair/phase6.c +++ b/repair/phase6.c @@ -125,6 +125,45 @@ typedef struct freetab { #define DIR_HASH_CK_TOTAL 6 /* + * Need to handle CRC and validation errors specially here. If there is a + * validator error, re-read without the verifier so that we get a buffer we can + * check and repair. Re-attach the ops to the buffer after the read so that when + * it is rewritten the CRC is recalculated. + * + * If the buffer was not read, we return an error. If the buffer was read but + * had a CRC or corruption error, we reread it without the verifier and if it is + * read successfully we increment *crc_error and return 0. Otherwise we + * return the read error. + */ +static int +dir_read_buf( + struct xfs_inode *ip, + xfs_dablk_t bno, + xfs_daddr_t mappedbno, + struct xfs_buf **bpp, + const struct xfs_buf_ops *ops, + int *crc_error) +{ + int error; + int error2; + + error = libxfs_da_read_buf(NULL, ip, bno, mappedbno, bpp, + XFS_DATA_FORK, ops); + + if (error != EFSBADCRC && error != EFSCORRUPTED) + return error; + + error2 = libxfs_da_read_buf(NULL, ip, bno, mappedbno, bpp, + XFS_DATA_FORK, NULL); + if (error2) + return error2; + + (*crc_error)++; + (*bpp)->b_ops = ops; + return 0; +} + +/* * Returns 0 if the name already exists (ie. a duplicate) */ static int @@ -1906,15 +1945,19 @@ longform_dir2_check_leaf( int seeval; struct xfs_dir2_leaf_entry *ents; struct xfs_dir3_icleaf_hdr leafhdr; + int error; + int fixit = 0; da_bno = mp->m_dirleafblk; - if (libxfs_da_read_buf(NULL, ip, da_bno, -1, &bp, XFS_DATA_FORK, - &xfs_dir3_leaf1_buf_ops)) { + error = dir_read_buf(ip, da_bno, -1, &bp, &xfs_dir3_leaf1_buf_ops, + &fixit); + if (error) { do_error( - _("can't read block %u for directory inode %" PRIu64 "\n"), - da_bno, ip->i_ino); + _("can't read block %u for directory inode %" PRIu64 ", error %d\n"), + da_bno, ip->i_ino, error); /* NOTREACHED */ } + leaf = bp->b_addr; xfs_dir3_leaf_hdr_from_disk(&leafhdr, leaf); ents = xfs_dir3_leaf_ents_p(leaf); @@ -1951,7 +1994,7 @@ longform_dir2_check_leaf( return 1; } libxfs_putbuf(bp); - return 0; + return fixit; } /* @@ -1978,6 +2021,8 @@ longform_dir2_check_node( struct xfs_dir3_icleaf_hdr leafhdr; struct xfs_dir3_icfree_hdr freehdr; __be16 *bests; + int error; + int fixit = 0; for (da_bno = mp->m_dirleafblk, next_da_bno = 0; next_da_bno != NULLFILEOFF && da_bno < mp->m_dirfreeblk; @@ -1993,11 +2038,12 @@ longform_dir2_check_node( * a node block, then we'll skip it below based on a magic * number check. */ - if (libxfs_da_read_buf(NULL, ip, da_bno, -1, &bp, - XFS_DATA_FORK, &xfs_da3_node_buf_ops)) { + error = dir_read_buf(ip, da_bno, -1, &bp, + &xfs_da3_node_buf_ops, &fixit); + if (error) { do_warn( - _("can't read leaf block %u for directory inode %" PRIu64 "\n"), - da_bno, ip->i_ino); + _("can't read leaf block %u for directory inode %" PRIu64 ", error %d\n"), + da_bno, ip->i_ino, error); return 1; } leaf = bp->b_addr; @@ -2016,6 +2062,12 @@ longform_dir2_check_node( libxfs_putbuf(bp); return 1; } + + /* + * If there's a validator error, we need to ensure that we got + * the right ops on the buffer for when we write it back out. + */ + bp->b_ops = &xfs_dir3_leafn_buf_ops; if (leafhdr.count > xfs_dir3_max_leaf_ents(mp, leaf) || leafhdr.count < leafhdr.stale) { do_warn( @@ -2039,11 +2091,13 @@ longform_dir2_check_node( next_da_bno = da_bno + mp->m_dirblkfsbs - 1; if (bmap_next_offset(NULL, ip, &next_da_bno, XFS_DATA_FORK)) break; - if (libxfs_da_read_buf(NULL, ip, da_bno, -1, &bp, - XFS_DATA_FORK, &xfs_dir3_free_buf_ops)) { + + error = dir_read_buf(ip, da_bno, -1, &bp, + &xfs_dir3_free_buf_ops, &fixit); + if (error) { do_warn( - _("can't read freespace block %u for directory inode %" PRIu64 "\n"), - da_bno, ip->i_ino); + _("can't read freespace block %u for directory inode %" PRIu64 ", error %d\n"), + da_bno, ip->i_ino, error); return 1; } free = bp->b_addr; @@ -2093,7 +2147,7 @@ longform_dir2_check_node( return 1; } } - return 0; + return fixit; } /* @@ -2148,6 +2202,7 @@ longform_dir2_entry_check(xfs_mount_t *mp, next_da_bno != NULLFILEOFF && da_bno < mp->m_dirleafblk; da_bno = (xfs_dablk_t)next_da_bno) { const struct xfs_buf_ops *ops; + int error; next_da_bno = da_bno + mp->m_dirblkfsbs - 1; if (bmap_next_offset(NULL, ip, &next_da_bno, XFS_DATA_FORK)) @@ -2167,11 +2222,12 @@ longform_dir2_entry_check(xfs_mount_t *mp, ops = &xfs_dir3_block_buf_ops; else ops = &xfs_dir3_data_buf_ops; - if (libxfs_da_read_buf(NULL, ip, da_bno, -1, &bplist[db], - XFS_DATA_FORK, ops)) { + + error = dir_read_buf(ip, da_bno, -1, &bplist[db], ops, &fixit); + if (error) { do_warn( - _("can't read data block %u for directory inode %" PRIu64 "\n"), - da_bno, ino); + _("can't read data block %u for directory inode %" PRIu64 " error %d\n"), + da_bno, ino, error); *num_illegal += 1; /* @@ -2189,7 +2245,7 @@ longform_dir2_entry_check(xfs_mount_t *mp, irec, ino_offset, &bplist[db], hashtab, &freetab, da_bno, isblock); } - fixit = (*num_illegal != 0) || dir2_is_badino(ino) || *need_dot; + fixit |= (*num_illegal != 0) || dir2_is_badino(ino) || *need_dot; if (!dotdot_update) { /* check btree and freespace */ -- 1.9.0 From dave@fromorbit.com Thu Apr 24 00:02:54 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 3FB3E7F69 for ; Thu, 24 Apr 2014 00:02:54 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id AAD13AC015 for ; Wed, 23 Apr 2014 22:02:50 -0700 (PDT) X-ASG-Debug-ID: 1398315764-04cbb04b9222ce0001-NocioJ Received: from ipmail04.adl6.internode.on.net (ipmail04.adl6.internode.on.net [150.101.137.141]) by cuda.sgi.com with ESMTP id lEpSFm32zSf6Dwhg for ; Wed, 23 Apr 2014 22:02:45 -0700 (PDT) X-Barracuda-Envelope-From: dave@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.141 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AjxdAGiaWFN5LEcvPGdsb2JhbABagwaIbqJ/mwYXAwEBAQE4NYIlAQEFJy8zCBgxOQMHFBmIQMxekxgErw4rgS4k Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail04.adl6.internode.on.net with ESMTP; 24 Apr 2014 14:32:07 +0930 Received: from disappointment.disaster.area ([192.168.1.110] helo=disappointment) by dastard with esmtp (Exim 4.80) (envelope-from ) id 1WdBnQ-0006xw-Qm for xfs@oss.sgi.com; Thu, 24 Apr 2014 15:02:04 +1000 Received: from dave by disappointment with local (Exim 4.82) (envelope-from ) id 1WdBnQ-0005gH-Q3 for xfs@oss.sgi.com; Thu, 24 Apr 2014 15:02:04 +1000 From: Dave Chinner To: xfs@oss.sgi.com Subject: [PATCH 5/9] repair: detect CRC errors in AG headers Date: Thu, 24 Apr 2014 15:01:58 +1000 X-ASG-Orig-Subj: [PATCH 5/9] repair: detect CRC errors in AG headers Message-Id: <1398315722-20870-6-git-send-email-david@fromorbit.com> X-Mailer: git-send-email 1.9.0 In-Reply-To: <1398315722-20870-1-git-send-email-david@fromorbit.com> References: <1398315722-20870-1-git-send-email-david@fromorbit.com> X-Barracuda-Connect: ipmail04.adl6.internode.on.net[150.101.137.141] X-Barracuda-Start-Time: 1398315764 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5205 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- From: Dave Chinner repair doesn't currently detect verifier errors in AG header blocks - apart from the primary superblock they are not detected. They are, fortunately, corrected in the important cases (AGF, AGI and AGFL) because these structures are rebuilt in phase 5, but if you run xfs_repair in checking mode it won't report them as bad. Signed-off-by: Dave Chinner --- repair/scan.c | 81 ++++++++++++++++++++++++++++++++++++----------------------- 1 file changed, 49 insertions(+), 32 deletions(-) diff --git a/repair/scan.c b/repair/scan.c index 1744c32..d022723 100644 --- a/repair/scan.c +++ b/repair/scan.c @@ -1207,28 +1207,29 @@ scan_ag( void *arg) { struct aghdr_cnts *agcnts = arg; - xfs_agf_t *agf; - xfs_buf_t *agfbuf; + struct xfs_agf *agf; + struct xfs_buf *agfbuf = NULL; int agf_dirty = 0; - xfs_agi_t *agi; - xfs_buf_t *agibuf; + struct xfs_agi *agi; + struct xfs_buf *agibuf = NULL; int agi_dirty = 0; - xfs_sb_t *sb; - xfs_buf_t *sbbuf; + struct xfs_sb *sb = NULL; + struct xfs_buf *sbbuf = NULL; int sb_dirty = 0; int status; + char *objname = NULL; sbbuf = libxfs_readbuf(mp->m_dev, XFS_AG_DADDR(mp, agno, XFS_SB_DADDR), XFS_FSS_TO_BB(mp, 1), 0, &xfs_sb_buf_ops); if (!sbbuf) { - do_error(_("can't get root superblock for ag %d\n"), agno); - return; + objname = _("root superblock"); + goto out_free; } + sb = (xfs_sb_t *)calloc(BBSIZE, 1); if (!sb) { do_error(_("can't allocate memory for superblock\n")); - libxfs_putbuf(sbbuf); - return; + goto out_free; } libxfs_sb_from_disk(sb, XFS_BUF_TO_SBP(sbbuf)); @@ -1236,10 +1237,8 @@ scan_ag( XFS_AG_DADDR(mp, agno, XFS_AGF_DADDR(mp)), XFS_FSS_TO_BB(mp, 1), 0, &xfs_agf_buf_ops); if (!agfbuf) { - do_error(_("can't read agf block for ag %d\n"), agno); - libxfs_putbuf(sbbuf); - free(sb); - return; + objname = _("agf block"); + goto out_free; } agf = XFS_BUF_TO_AGF(agfbuf); @@ -1247,11 +1246,8 @@ scan_ag( XFS_AG_DADDR(mp, agno, XFS_AGI_DADDR(mp)), XFS_FSS_TO_BB(mp, 1), 0, &xfs_agi_buf_ops); if (!agibuf) { - do_error(_("can't read agi block for ag %d\n"), agno); - libxfs_putbuf(agfbuf); - libxfs_putbuf(sbbuf); - free(sb); - return; + objname = _("agi block"); + goto out_free; } agi = XFS_BUF_TO_AGI(agibuf); @@ -1277,7 +1273,7 @@ scan_ag( do_warn(_("would reset bad sb for ag %d\n"), agno); } } - if (status & XR_AG_AGF) { + if (agf_dirty || status & XR_AG_AGF) { if (!no_modify) { do_warn(_("reset bad agf for ag %d\n"), agno); agf_dirty = 1; @@ -1285,7 +1281,7 @@ scan_ag( do_warn(_("would reset bad agf for ag %d\n"), agno); } } - if (status & XR_AG_AGI) { + if (agi_dirty || status & XR_AG_AGI) { if (!no_modify) { do_warn(_("reset bad agi for ag %d\n"), agno); agi_dirty = 1; @@ -1295,15 +1291,9 @@ scan_ag( } if (status && no_modify) { - libxfs_putbuf(agibuf); - libxfs_putbuf(agfbuf); - libxfs_putbuf(sbbuf); - free(sb); - do_warn(_("bad uncorrected agheader %d, skipping ag...\n"), agno); - - return; + goto out_free; } scan_freelist(agf, agcnts); @@ -1312,21 +1302,34 @@ scan_ag( validate_agi(agi, agno, agcnts); ASSERT(agi_dirty == 0 || (agi_dirty && !no_modify)); + ASSERT(agf_dirty == 0 || (agf_dirty && !no_modify)); + ASSERT(sb_dirty == 0 || (sb_dirty && !no_modify)); + + /* + * Only pay attention to CRC/verifier errors if we can correct them. + * While there, ensure that we corrected a corruption error if the + * verifier detected one. + */ + if (!no_modify) { + ASSERT(agi_dirty || agibuf->b_error != EFSCORRUPTED); + ASSERT(agf_dirty || agfbuf->b_error != EFSCORRUPTED); + ASSERT(sb_dirty || sbbuf->b_error != EFSCORRUPTED); + + agi_dirty += (agibuf->b_error == EFSBADCRC); + agf_dirty += (agfbuf->b_error == EFSBADCRC); + sb_dirty += (sbbuf->b_error == EFSBADCRC); + } if (agi_dirty && !no_modify) libxfs_writebuf(agibuf, 0); else libxfs_putbuf(agibuf); - ASSERT(agf_dirty == 0 || (agf_dirty && !no_modify)); - if (agf_dirty && !no_modify) libxfs_writebuf(agfbuf, 0); else libxfs_putbuf(agfbuf); - ASSERT(sb_dirty == 0 || (sb_dirty && !no_modify)); - if (sb_dirty && !no_modify) { if (agno == 0) memcpy(&mp->m_sb, sb, sizeof(xfs_sb_t)); @@ -1341,6 +1344,20 @@ scan_ag( print_inode_list(i); #endif return; + +out_free: + if (sb) + free(sb); + if (agibuf) + libxfs_putbuf(agibuf); + if (agfbuf) + libxfs_putbuf(agfbuf); + if (sbbuf) + libxfs_putbuf(sbbuf); + if (objname) + do_error(_("can't get %s for ag %d\n"), objname, agno); + return; + } #define SCAN_THREADS 32 -- 1.9.0 From dave@fromorbit.com Thu Apr 24 00:02:55 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 03B617F5F for ; Thu, 24 Apr 2014 00:02:55 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 6F78AAC014 for ; Wed, 23 Apr 2014 22:02:54 -0700 (PDT) X-ASG-Debug-ID: 1398315766-04cb6c2b7c22a50002-NocioJ Received: from ipmail04.adl6.internode.on.net (ipmail04.adl6.internode.on.net [150.101.137.141]) by cuda.sgi.com with ESMTP id B6hSo7MFmUdSMVIk for ; Wed, 23 Apr 2014 22:02:50 -0700 (PDT) X-Barracuda-Envelope-From: dave@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.141 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AjxdAGiaWFN5LEcvPGdsb2JhbABagwaIbqJ/mwYXAwEBAQE4NYIlAQEFJy8zCBgxOQMHFBmIQMxejnWEIwSvDiuBLiQ Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail04.adl6.internode.on.net with ESMTP; 24 Apr 2014 14:32:07 +0930 Received: from disappointment.disaster.area ([192.168.1.110] helo=disappointment) by dastard with esmtp (Exim 4.80) (envelope-from ) id 1WdBnQ-0006xs-Of for xfs@oss.sgi.com; Thu, 24 Apr 2014 15:02:04 +1000 Received: from dave by disappointment with local (Exim 4.82) (envelope-from ) id 1WdBnQ-0005fx-O2 for xfs@oss.sgi.com; Thu, 24 Apr 2014 15:02:04 +1000 From: Dave Chinner To: xfs@oss.sgi.com Subject: [PATCH 1/9] db: don't claim unchecked CRCs are correct Date: Thu, 24 Apr 2014 15:01:54 +1000 X-ASG-Orig-Subj: [PATCH 1/9] db: don't claim unchecked CRCs are correct Message-Id: <1398315722-20870-2-git-send-email-david@fromorbit.com> X-Mailer: git-send-email 1.9.0 In-Reply-To: <1398315722-20870-1-git-send-email-david@fromorbit.com> References: <1398315722-20870-1-git-send-email-david@fromorbit.com> X-Barracuda-Connect: ipmail04.adl6.internode.on.net[150.101.137.141] X-Barracuda-Start-Time: 1398315770 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5204 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- From: Dave Chinner Currently xfs_db will claim the CRC on a structure is correct if the buffer is not marked with an error. However, buffers may have been read without a verifier, and hence have not had their CRCs validated. in this case, we shoul dreport "unchecked" rather than "correct". For example: xfs_db> fsb 0x6003f xfs_db> type dir3 xfs_db> p dhdr.hdr.magic = 0x58444433 dhdr.hdr.crc = 0x2d0f9c9d (unchecked) .... Signed-off-by: Dave Chinner Reviewed-by: Christoph Hellwig --- db/fprint.c | 15 ++++++++++++++- db/io.c | 2 ++ db/io.h | 12 +++++++++--- include/libxfs.h | 1 + 4 files changed, 26 insertions(+), 4 deletions(-) diff --git a/db/fprint.c b/db/fprint.c index 435d984..52782e2 100644 --- a/db/fprint.c +++ b/db/fprint.c @@ -206,7 +206,20 @@ fp_crc( __int64_t val; char *ok; - ok = iocur_crc_valid() ? "correct" : "bad"; + switch (iocur_crc_valid()) { + case -1: + ok = "unchecked"; + break; + case 0: + ok = "bad"; + break; + case 1: + ok = "correct"; + break; + default: + ok = "unknown state"; + break; + } for (i = 0, bitpos = bit; i < count && !seenint(); diff --git a/db/io.c b/db/io.c index 5eb61d9..387f171 100644 --- a/db/io.c +++ b/db/io.c @@ -531,6 +531,8 @@ set_cur( return; iocur_top->buf = bp->b_addr; iocur_top->bp = bp; + if (!ops) + bp->b_flags |= LIBXFS_B_UNCHECKED; iocur_top->bb = d; iocur_top->blen = c; diff --git a/db/io.h b/db/io.h index ad39bee..7875119 100644 --- a/db/io.h +++ b/db/io.h @@ -63,10 +63,16 @@ extern void set_cur(const struct typ *t, __int64_t d, int c, int ring_add, bbmap_t *bbmap); extern void ring_add(void); -static inline bool +/* + * returns -1 for unchecked, 0 for bad and 1 for good + */ +static inline int iocur_crc_valid() { - return (iocur_top->bp && - iocur_top->bp->b_error != EFSBADCRC && + if (!iocur_top->bp) + return -1; + if (iocur_top->bp->b_flags & LIBXFS_B_UNCHECKED) + return -1; + return (iocur_top->bp->b_error != EFSBADCRC && (!iocur_top->ino_buf || iocur_top->ino_crc_ok)); } diff --git a/include/libxfs.h b/include/libxfs.h index 6bc6c94..6b1e276 100644 --- a/include/libxfs.h +++ b/include/libxfs.h @@ -333,6 +333,7 @@ enum xfs_buf_flags_t { /* b_flags bits */ LIBXFS_B_STALE = 0x0004, /* buffer marked as invalid */ LIBXFS_B_UPTODATE = 0x0008, /* buffer is sync'd to disk */ LIBXFS_B_DISCONTIG = 0x0010, /* discontiguous buffer */ + LIBXFS_B_UNCHECKED = 0x0020, /* needs verification */ }; #define XFS_BUF_DADDR_NULL ((xfs_daddr_t) (-1LL)) -- 1.9.0 From dave@fromorbit.com Thu Apr 24 00:02:53 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id DFE5B7F67 for ; Thu, 24 Apr 2014 00:02:53 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 73A80AC007 for ; Wed, 23 Apr 2014 22:02:53 -0700 (PDT) X-ASG-Debug-ID: 1398315764-04cbb04b9222ce0003-NocioJ Received: from ipmail04.adl6.internode.on.net (ipmail04.adl6.internode.on.net [150.101.137.141]) by cuda.sgi.com with ESMTP id 5zlLcsWeIcT1CT9a for ; Wed, 23 Apr 2014 22:02:51 -0700 (PDT) X-Barracuda-Envelope-From: dave@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.141 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AjxdAGiaWFN5LEcvPGdsb2JhbABagwaIbqJ/mwYXAwEBAQE4NYIlAQEFJy8zCBgxOQMHFBmIQMxejXSBAYQjBK8OK4Es Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail04.adl6.internode.on.net with ESMTP; 24 Apr 2014 14:32:07 +0930 Received: from disappointment.disaster.area ([192.168.1.110] helo=disappointment) by dastard with esmtp (Exim 4.80) (envelope-from ) id 1WdBnQ-0006xz-SU for xfs@oss.sgi.com; Thu, 24 Apr 2014 15:02:04 +1000 Received: from dave by disappointment with local (Exim 4.82) (envelope-from ) id 1WdBnQ-0005gW-Rk for xfs@oss.sgi.com; Thu, 24 Apr 2014 15:02:04 +1000 From: Dave Chinner To: xfs@oss.sgi.com Subject: [PATCH 8/9] repair: handle remote symlink CRC errors Date: Thu, 24 Apr 2014 15:02:01 +1000 X-ASG-Orig-Subj: [PATCH 8/9] repair: handle remote symlink CRC errors Message-Id: <1398315722-20870-9-git-send-email-david@fromorbit.com> X-Mailer: git-send-email 1.9.0 In-Reply-To: <1398315722-20870-1-git-send-email-david@fromorbit.com> References: <1398315722-20870-1-git-send-email-david@fromorbit.com> X-Barracuda-Connect: ipmail04.adl6.internode.on.net[150.101.137.141] X-Barracuda-Start-Time: 1398315771 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5205 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- From: Dave Chinner We can't really repair broken symlink buffer contents, but we can at least warn about it and correct the CRC error so the symlink is again readable. Signed-off-by: Dave Chinner --- repair/dinode.c | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) diff --git a/repair/dinode.c b/repair/dinode.c index b086bec..6360dba 100644 --- a/repair/dinode.c +++ b/repair/dinode.c @@ -1254,6 +1254,7 @@ process_symlink_remote( while (pathlen > 0) { int blk_cnt = 1; int byte_cnt; + int dirty = 0; fsbno = blkmap_get(blkmap, i); if (fsbno == NULLDFSBNO) { @@ -1284,6 +1285,12 @@ _("cannot read inode %" PRIu64 ", file block %d, disk block %" PRIu64 "\n"), lino, i, fsbno); return 1; } + if (bp->b_error == EFSBADCRC) { + do_warn( +_("Bad symlink buffer CRC, block %" PRIu64 ", inode %" PRIu64 ".\n" + "Correcting CRC, but symlink may be bad.\n"), fsbno, lino); + dirty = 1; + } byte_cnt = XFS_SYMLINK_BUF_SPACE(mp, byte_cnt); byte_cnt = MIN(pathlen, byte_cnt); @@ -1307,7 +1314,10 @@ _("bad symlink header ino %" PRIu64 ", file block %d, disk block %" PRIu64 "\n") offset += byte_cnt; i++; - libxfs_putbuf(bp); + if (dirty) + libxfs_writebuf(bp, 0); + else + libxfs_putbuf(bp); } return 0; } -- 1.9.0 From dave@fromorbit.com Thu Apr 24 00:02:55 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 422C07F69 for ; Thu, 24 Apr 2014 00:02:55 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id 162E2304059 for ; Wed, 23 Apr 2014 22:02:54 -0700 (PDT) X-ASG-Debug-ID: 1398315767-04bdf05c7522120005-NocioJ Received: from ipmail04.adl6.internode.on.net (ipmail04.adl6.internode.on.net [150.101.137.141]) by cuda.sgi.com with ESMTP id r8t6gECfLmHEkFf0 for ; Wed, 23 Apr 2014 22:02:52 -0700 (PDT) X-Barracuda-Envelope-From: dave@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.141 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AjxdAGiaWFN5LEcvPGdsb2JhbABagwaIbqJ/mwYXAwEBAQE4NYIlAQEFJy8zCBgxOQMHFBmIQMxekxgErw4r Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail04.adl6.internode.on.net with ESMTP; 24 Apr 2014 14:32:07 +0930 Received: from disappointment.disaster.area ([192.168.1.110] helo=disappointment) by dastard with esmtp (Exim 4.80) (envelope-from ) id 1WdBnQ-0006xy-S0 for xfs@oss.sgi.com; Thu, 24 Apr 2014 15:02:04 +1000 Received: from dave by disappointment with local (Exim 4.82) (envelope-from ) id 1WdBnQ-0005gR-RL for xfs@oss.sgi.com; Thu, 24 Apr 2014 15:02:04 +1000 From: Dave Chinner To: xfs@oss.sgi.com Subject: [PATCH 7/9] repair: remove more dirv1 leftovers Date: Thu, 24 Apr 2014 15:02:00 +1000 X-ASG-Orig-Subj: [PATCH 7/9] repair: remove more dirv1 leftovers Message-Id: <1398315722-20870-8-git-send-email-david@fromorbit.com> X-Mailer: git-send-email 1.9.0 In-Reply-To: <1398315722-20870-1-git-send-email-david@fromorbit.com> References: <1398315722-20870-1-git-send-email-david@fromorbit.com> X-Barracuda-Connect: ipmail04.adl6.internode.on.net[150.101.137.141] X-Barracuda-Start-Time: 1398315772 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5205 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- From: Dave Chinner get_bmapi() and it's children were only called by dirv1 code. There are no current callers, so remove them. Signed-off-by: Dave Chinner Reviewed-by: Christoph Hellwig --- repair/dinode.c | 239 -------------------------------------------------------- repair/dinode.h | 6 -- 2 files changed, 245 deletions(-) diff --git a/repair/dinode.c b/repair/dinode.c index 48f17ac..b086bec 100644 --- a/repair/dinode.c +++ b/repair/dinode.c @@ -870,245 +870,6 @@ get_agino_buf(xfs_mount_t *mp, } /* - * these next routines return the filesystem blockno of the - * block containing the block "bno" in the file whose bmap - * tree (or extent list) is rooted by "rootblock". - * - * the next routines are utility routines for the third - * routine, get_bmapi(). - * - * NOTE: getfunc_extlist only used by dirv1 checking code - */ -static xfs_dfsbno_t -getfunc_extlist(xfs_mount_t *mp, - xfs_ino_t ino, - xfs_dinode_t *dip, - xfs_dfiloff_t bno, - int whichfork) -{ - xfs_bmbt_irec_t irec; - xfs_dfsbno_t final_fsbno = NULLDFSBNO; - xfs_bmbt_rec_t *rootblock = (xfs_bmbt_rec_t *) - XFS_DFORK_PTR(dip, whichfork); - xfs_extnum_t nextents = XFS_DFORK_NEXTENTS(dip, whichfork); - int i; - - for (i = 0; i < nextents; i++) { - libxfs_bmbt_disk_get_all(rootblock + i, &irec); - if (irec.br_startoff <= bno && - bno < irec.br_startoff + irec.br_blockcount) { - final_fsbno = bno - irec.br_startoff + irec.br_startblock; - break; - } - } - - return(final_fsbno); -} - -/* - * NOTE: getfunc_btree only used by dirv1 checking code... - */ -static xfs_dfsbno_t -getfunc_btree(xfs_mount_t *mp, - xfs_ino_t ino, - xfs_dinode_t *dip, - xfs_dfiloff_t bno, - int whichfork) -{ - int i; -#ifdef DEBUG - int prev_level; -#endif - int found; - int numrecs; - xfs_bmbt_rec_t *rec; - xfs_bmbt_irec_t irec; - xfs_bmbt_ptr_t *pp; - xfs_bmbt_key_t *key; - xfs_bmdr_key_t *rkey; - xfs_bmdr_ptr_t *rp; - xfs_dfsbno_t fsbno; - xfs_buf_t *bp; - xfs_dfsbno_t final_fsbno = NULLDFSBNO; - struct xfs_btree_block *block; - xfs_bmdr_block_t *rootblock = (xfs_bmdr_block_t *) - XFS_DFORK_PTR(dip, whichfork); - - ASSERT(rootblock->bb_level != 0); - /* - * deal with root block, it's got a slightly different - * header structure than interior nodes. We know that - * a btree should have at least 2 levels otherwise it - * would be an extent list. - */ - rkey = XFS_BMDR_KEY_ADDR(rootblock, 1); - rp = XFS_BMDR_PTR_ADDR(rootblock, 1, - xfs_bmdr_maxrecs(mp, XFS_DFORK_SIZE(dip, mp, whichfork), 1)); - found = -1; - for (i = 0; i < be16_to_cpu(rootblock->bb_numrecs) - 1; i++) { - if (be64_to_cpu(rkey[i].br_startoff) <= bno && - bno < be64_to_cpu(rkey[i + 1].br_startoff)) { - found = i; - break; - } - } - if (i == be16_to_cpu(rootblock->bb_numrecs) - 1 && - bno >= be64_to_cpu(rkey[i].br_startoff)) - found = i; - - ASSERT(found != -1); - - fsbno = be64_to_cpu(rp[found]); - - ASSERT(verify_dfsbno(mp, fsbno)); - - bp = libxfs_readbuf(mp->m_dev, XFS_FSB_TO_DADDR(mp, fsbno), - XFS_FSB_TO_BB(mp, 1), 0, NULL); - if (!bp) { - do_error(_("cannot read bmap block %" PRIu64 "\n"), fsbno); - return(NULLDFSBNO); - } - block = XFS_BUF_TO_BLOCK(bp); - numrecs = be16_to_cpu(block->bb_numrecs); - - /* - * ok, now traverse any interior btree nodes - */ -#ifdef DEBUG - prev_level = be16_to_cpu(block->bb_level); -#endif - - while (be16_to_cpu(block->bb_level) > 0) { -#ifdef DEBUG - ASSERT(be16_to_cpu(block->bb_level) < prev_level); - - prev_level = be16_to_cpu(block->bb_level); -#endif - if (numrecs > mp->m_bmap_dmxr[1]) { - do_warn( -_("# of bmap records in inode %" PRIu64 " exceeds max (%u, max - %u)\n"), - ino, numrecs, - mp->m_bmap_dmxr[1]); - libxfs_putbuf(bp); - return(NULLDFSBNO); - } - if (verbose && numrecs < mp->m_bmap_dmnr[1]) { - do_warn( -_("- # of bmap records in inode %" PRIu64 " less than minimum (%u, min - %u), proceeding ...\n"), - ino, numrecs, mp->m_bmap_dmnr[1]); - } - key = XFS_BMBT_KEY_ADDR(mp, block, 1); - pp = XFS_BMBT_PTR_ADDR(mp, block, 1, mp->m_bmap_dmxr[1]); - for (found = -1, i = 0; i < numrecs - 1; i++) { - if (be64_to_cpu(key[i].br_startoff) <= bno && bno < - be64_to_cpu(key[i + 1].br_startoff)) { - found = i; - break; - } - } - if (i == numrecs - 1 && bno >= be64_to_cpu(key[i].br_startoff)) - found = i; - - ASSERT(found != -1); - fsbno = be64_to_cpu(pp[found]); - - ASSERT(verify_dfsbno(mp, fsbno)); - - /* - * release current btree block and read in the - * next btree block to be traversed - */ - libxfs_putbuf(bp); - bp = libxfs_readbuf(mp->m_dev, XFS_FSB_TO_DADDR(mp, fsbno), - XFS_FSB_TO_BB(mp, 1), 0, NULL); - if (!bp) { - do_error(_("cannot read bmap block %" PRIu64 "\n"), - fsbno); - return(NULLDFSBNO); - } - block = XFS_BUF_TO_BLOCK(bp); - numrecs = be16_to_cpu(block->bb_numrecs); - } - - /* - * current block must be a leaf block - */ - ASSERT(be16_to_cpu(block->bb_level) == 0); - if (numrecs > mp->m_bmap_dmxr[0]) { - do_warn( -_("# of bmap records in inode %" PRIu64 " greater than maximum (%u, max - %u)\n"), - ino, numrecs, mp->m_bmap_dmxr[0]); - libxfs_putbuf(bp); - return(NULLDFSBNO); - } - if (verbose && numrecs < mp->m_bmap_dmnr[0]) - do_warn( -_("- # of bmap records in inode %" PRIu64 " less than minimum (%u, min - %u), continuing...\n"), - ino, numrecs, mp->m_bmap_dmnr[0]); - - rec = XFS_BMBT_REC_ADDR(mp, block, 1); - for (i = 0; i < numrecs; i++) { - libxfs_bmbt_disk_get_all(rec + i, &irec); - if (irec.br_startoff <= bno && - bno < irec.br_startoff + irec.br_blockcount) { - final_fsbno = bno - irec.br_startoff + - irec.br_startblock; - break; - } - } - libxfs_putbuf(bp); - - if (final_fsbno == NULLDFSBNO) - do_warn(_("could not map block %" PRIu64 "\n"), bno); - - return(final_fsbno); -} - -/* - * this could be smarter. maybe we should have an open inode - * routine that would get the inode buffer and return back - * an inode handle. I'm betting for the moment that this - * is used only by the directory and attribute checking code - * and that the avl tree find and buffer cache search are - * relatively cheap. If they're too expensive, we'll just - * have to fix this and add an inode handle to the da btree - * cursor. - * - * caller is responsible for checking doubly referenced blocks - * and references to holes - * - * NOTE: get_bmapi only used by dirv1 checking code - */ -xfs_dfsbno_t -get_bmapi(xfs_mount_t *mp, xfs_dinode_t *dino_p, - xfs_ino_t ino_num, xfs_dfiloff_t bno, int whichfork) -{ - xfs_dfsbno_t fsbno; - - switch (XFS_DFORK_FORMAT(dino_p, whichfork)) { - case XFS_DINODE_FMT_EXTENTS: - fsbno = getfunc_extlist(mp, ino_num, dino_p, bno, whichfork); - break; - case XFS_DINODE_FMT_BTREE: - fsbno = getfunc_btree(mp, ino_num, dino_p, bno, whichfork); - break; - case XFS_DINODE_FMT_LOCAL: - do_error(_("get_bmapi() called for local inode %" PRIu64 "\n"), - ino_num); - fsbno = NULLDFSBNO; - break; - default: - /* - * shouldn't happen - */ - do_error(_("bad inode format for inode %" PRIu64 "\n"), ino_num); - fsbno = NULLDFSBNO; - } - - return(fsbno); -} - -/* * higher level inode processing stuff starts here: * first, one utility routine for each type of inode */ diff --git a/repair/dinode.h b/repair/dinode.h index 5ee51ca..80f3e4e 100644 --- a/repair/dinode.h +++ b/repair/dinode.h @@ -119,12 +119,6 @@ get_agino_buf(xfs_mount_t *mp, xfs_agino_t agino, xfs_dinode_t **dipp); -xfs_dfsbno_t -get_bmapi(xfs_mount_t *mp, - xfs_dinode_t *dip, - xfs_ino_t ino_num, - xfs_dfiloff_t bno, - int whichfork ); void dinode_bmbt_translation_init(void); char * get_forkname(int whichfork); -- 1.9.0 From david@fromorbit.com Thu Apr 24 00:27:42 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id BB5CD7F52 for ; Thu, 24 Apr 2014 00:27:42 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 44000AC007 for ; Wed, 23 Apr 2014 22:27:42 -0700 (PDT) X-ASG-Debug-ID: 1398317249-04cb6c2b7c23590001-NocioJ Received: from ipmail04.adl6.internode.on.net (ipmail04.adl6.internode.on.net [150.101.137.141]) by cuda.sgi.com with ESMTP id Mjyselrq4GczF79E for ; Wed, 23 Apr 2014 22:27:29 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.141 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AlxdAHOgWFN5LEcvPGdsb2JhbABagwaDZIUKon+ZboEXFwMBAQEBODWCJQEBBTocIxAIAw4KCSUPBSUDBxoTiEDMLRcWjkIHhDkEmHSKbossKw Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail04.adl6.internode.on.net with ESMTP; 24 Apr 2014 14:57:24 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WdCBu-00072h-Ph; Thu, 24 Apr 2014 15:27:22 +1000 Date: Thu, 24 Apr 2014 15:27:22 +1000 From: Dave Chinner To: Brian Foster Cc: xfs@oss.sgi.com Subject: Re: [PATCH v5 03/11] xfs: support the XFS_BTNUM_FINOBT free inode btree type Message-ID: <20140424052722.GZ15995@dastard> X-ASG-Orig-Subj: Re: [PATCH v5 03/11] xfs: support the XFS_BTNUM_FINOBT free inode btree type References: <1397146116-42546-1-git-send-email-bfoster@redhat.com> <1397146116-42546-4-git-send-email-bfoster@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1397146116-42546-4-git-send-email-bfoster@redhat.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail04.adl6.internode.on.net[150.101.137.141] X-Barracuda-Start-Time: 1398317249 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Barracuda-BRTS-Status: 1 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-Spam-Score: 2.60 X-Barracuda-Spam-Status: No, SCORE=2.60 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MV0249, MARKETING_SUBJECT X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5205 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.60 MARKETING_SUBJECT Subject contains popular marketing words 2.00 BSF_SC0_MV0249 Custom rule MV0249 On Thu, Apr 10, 2014 at 12:08:28PM -0400, Brian Foster wrote: > Define the AGI fields for the finobt root/level and add magic > numbers. Update the btree code to add support for the new > XFS_BTNUM_FINOBT inode btree. > > The finobt root block is reserved immediately following the inobt > root block in the AG. Update XFS_PREALLOC_BLOCKS() to determine the > starting AG data block based on whether finobt support is enabled. > > Signed-off-by: Brian Foster Looks good. Reviewed-by: Dave Chinner FWIW, xfstests doesn't give us particularly good coverage of all the finobt operations: $ $ grep fibt /proc/fs/xfs/stat fibt2 43617 50359 338 336 0 0 0 0 0 0 0 0 0 0 136 So perhaps we want to look at improving that over time. Cheers, Dave. -- Dave Chinner david@fromorbit.com From david@fromorbit.com Thu Apr 24 00:33:21 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id B39457F52 for ; Thu, 24 Apr 2014 00:33:21 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 2E3B5AC007 for ; Wed, 23 Apr 2014 22:33:20 -0700 (PDT) X-ASG-Debug-ID: 1398317598-04cb6c2b7a23940001-NocioJ Received: from ipmail04.adl6.internode.on.net (ipmail04.adl6.internode.on.net [150.101.137.141]) by cuda.sgi.com with ESMTP id jhjE3M5cNeULCQBX for ; Wed, 23 Apr 2014 22:33:19 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.141 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: Al1dAKChWFN5LEcvPGdsb2JhbABagwaDZIUKon+ZboEXFwMBAQEBODWCJQEBBScTHCMQCAMOCgklDwUlAwcaE4hAzC4XFo5CB4MkgRUEmHSUSYFRKw Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail04.adl6.internode.on.net with ESMTP; 24 Apr 2014 15:03:01 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WdCHL-00073s-Na; Thu, 24 Apr 2014 15:32:59 +1000 Date: Thu, 24 Apr 2014 15:32:59 +1000 From: Dave Chinner To: Brian Foster Cc: xfs@oss.sgi.com Subject: Re: [PATCH v5 04/11] xfs: update inode allocation/free transaction reservations for finobt Message-ID: <20140424053259.GA15995@dastard> X-ASG-Orig-Subj: Re: [PATCH v5 04/11] xfs: update inode allocation/free transaction reservations for finobt References: <1397146116-42546-1-git-send-email-bfoster@redhat.com> <1397146116-42546-5-git-send-email-bfoster@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1397146116-42546-5-git-send-email-bfoster@redhat.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail04.adl6.internode.on.net[150.101.137.141] X-Barracuda-Start-Time: 1398317598 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.60 X-Barracuda-Spam-Status: No, SCORE=0.60 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=MARKETING_SUBJECT X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5205 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.60 MARKETING_SUBJECT Subject contains popular marketing words On Thu, Apr 10, 2014 at 12:08:29PM -0400, Brian Foster wrote: > Create the xfs_calc_finobt_res() helper to calculate the finobt log > reservation for inode allocation and free. Update > XFS_IALLOC_SPACE_RES() to reserve blocks for the additional finobt > insertion on inode allocation. Create XFS_IFREE_SPACE_RES() to > reserve blocks for the potential finobt record insertion on inode > free (i.e., if an inode chunk was previously fully allocated). > > Signed-off-by: Brian Foster > --- > fs/xfs/xfs_inode.c | 25 ++++++++++++++++++++++- > fs/xfs/xfs_trans_resv.c | 53 +++++++++++++++++++++++++++++++++++++++++++++--- > fs/xfs/xfs_trans_space.h | 7 ++++++- > 3 files changed, 80 insertions(+), 5 deletions(-) > > diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c > index 5e7a38f..8576892 100644 > --- a/fs/xfs/xfs_inode.c > +++ b/fs/xfs/xfs_inode.c > @@ -1837,8 +1837,31 @@ xfs_inactive_ifree( > int error; > > tp = xfs_trans_alloc(mp, XFS_TRANS_INACTIVE); > - error = xfs_trans_reserve(tp, &M_RES(mp)->tr_ifree, 0, 0); > + > + /* > + * The ifree transaction might need to allocate blocks for record > + * insertion to the finobt. We don't want to fail here at ENOSPC, so > + * allow ifree to dip into the reserved block pool if necessary. > + * > + * Freeing large sets of inodes generally means freeing inode chunks, > + * directory and file data blocks, so this should be relatively safe. > + * Only under severe circumstances should it be possible to free enough > + * inodes to exhaust the reserve block pool via finobt expansion while > + * at the same time not creating free space in the filesystem. > + * > + * Send a warning if the reservation does happen to fail, as the inode > + * now remains allocated and sits on the unlinked list until the fs is > + * repaired. > + */ > + tp->t_flags |= XFS_TRANS_RESERVE; > + error = xfs_trans_reserve(tp, &M_RES(mp)->tr_ifree, > + XFS_IFREE_SPACE_RES(mp), 0); > if (error) { > + if (error == ENOSPC) > + xfs_warn_ratelimited(mp, > + "Failed to remove inode(s) from unlinked list. " > + "Please free space, unmount and run xfs_repair."); > + > ASSERT(XFS_FORCED_SHUTDOWN(mp)); > xfs_trans_cancel(tp, XFS_TRANS_RELEASE_LOG_RES); > return error; Comment is good, but if we get an ENOSPC error here we won't be in a shutdown state, hence the assert needs fixing (i.e. else {assert}) Otherwise this looks good. Reviewed-by: Dave Chinner Cheers, Dave. -- Dave Chinner david@fromorbit.com From david@fromorbit.com Thu Apr 24 00:44:32 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 9B01E7F52 for ; Thu, 24 Apr 2014 00:44:32 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 33CBEAC00E for ; Wed, 23 Apr 2014 22:44:31 -0700 (PDT) X-ASG-Debug-ID: 1398318269-04cb6c2b7b23f10001-NocioJ Received: from ipmail04.adl6.internode.on.net (ipmail04.adl6.internode.on.net [150.101.137.141]) by cuda.sgi.com with ESMTP id cueQEQ6CGQ3MZCJ8 for ; Wed, 23 Apr 2014 22:44:30 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.141 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AlxdAMSjWFN5LEcvPGdsb2JhbABagwaDZIUKon+ZboEXFwMBAQEBODWCJQEBBTocIxAIAw4KCSUPBSUDBxoTiEDMLhcWjkIHgySBFQSYdJYaKw Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail04.adl6.internode.on.net with ESMTP; 24 Apr 2014 15:14:29 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WdCSS-00075e-4I; Thu, 24 Apr 2014 15:44:28 +1000 Date: Thu, 24 Apr 2014 15:44:28 +1000 From: Dave Chinner To: Brian Foster Cc: xfs@oss.sgi.com Subject: Re: [PATCH v5 06/11] xfs: use and update the finobt on inode allocation Message-ID: <20140424054428.GB15995@dastard> X-ASG-Orig-Subj: Re: [PATCH v5 06/11] xfs: use and update the finobt on inode allocation References: <1397146116-42546-1-git-send-email-bfoster@redhat.com> <1397146116-42546-7-git-send-email-bfoster@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1397146116-42546-7-git-send-email-bfoster@redhat.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail04.adl6.internode.on.net[150.101.137.141] X-Barracuda-Start-Time: 1398318269 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5205 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Thu, Apr 10, 2014 at 12:08:31PM -0400, Brian Foster wrote: > Replace xfs_dialloc_ag() with an implementation that looks for a > record in the finobt. The finobt only tracks records with at least > one free inode. This eliminates the need for the intra-ag scan in > the original algorithm. Once the inode is allocated, update the > finobt appropriately (possibly removing the record) as well as the > inobt. > > Move the original xfs_dialloc_ag() algorithm to > xfs_dialloc_ag_inobt() and fall back as such if finobt support is > not enabled. Looks good. Reviewed-by: Dave Chinner -- Dave Chinner david@fromorbit.com From david@fromorbit.com Thu Apr 24 00:47:54 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id CB1817F52 for ; Thu, 24 Apr 2014 00:47:54 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id 61A1FAC00E for ; Wed, 23 Apr 2014 22:47:54 -0700 (PDT) X-ASG-Debug-ID: 1398318472-04bdf05c72234e0001-NocioJ Received: from ipmail04.adl6.internode.on.net (ipmail04.adl6.internode.on.net [150.101.137.141]) by cuda.sgi.com with ESMTP id kNzNAfb2T6kZ4Erl for ; Wed, 23 Apr 2014 22:47:52 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.141 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: Al1dABylWFN5LEcvPGdsb2JhbABQCoMGg2SFCqJ/mW6BFxcDAQEBATg1giUBAQU6HCMQCAMOCgklDwUlAwcaE4hAzCoXFo1mXAeDJIEVBJh0lhor Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail04.adl6.internode.on.net with ESMTP; 24 Apr 2014 15:17:51 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WdCVi-00076E-Vw; Thu, 24 Apr 2014 15:47:51 +1000 Date: Thu, 24 Apr 2014 15:47:50 +1000 From: Dave Chinner To: Brian Foster Cc: xfs@oss.sgi.com Subject: Re: [PATCH v5 08/11] xfs: update the finobt on inode free Message-ID: <20140424054750.GC15995@dastard> X-ASG-Orig-Subj: Re: [PATCH v5 08/11] xfs: update the finobt on inode free References: <1397146116-42546-1-git-send-email-bfoster@redhat.com> <1397146116-42546-9-git-send-email-bfoster@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1397146116-42546-9-git-send-email-bfoster@redhat.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail04.adl6.internode.on.net[150.101.137.141] X-Barracuda-Start-Time: 1398318472 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.60 X-Barracuda-Spam-Status: No, SCORE=0.60 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=MARKETING_SUBJECT X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5205 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.60 MARKETING_SUBJECT Subject contains popular marketing words On Thu, Apr 10, 2014 at 12:08:33PM -0400, Brian Foster wrote: > An inode free operation can have several effects on the finobt. If > all inodes have been freed and the chunk deallocated, we remove the > finobt record. If the inode chunk was previously full, we must > insert a new record based on the existing inobt record. Otherwise, > we modify the record in place. > > Create the xfs_difree_finobt() function to identify the potential > scenarios and update the finobt appropriately. > > Signed-off-by: Brian Foster No problems there that I can see. Reviewed-by: Dave Chinner -- Dave Chinner david@fromorbit.com From david@fromorbit.com Thu Apr 24 00:51:04 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id B18BE7F52 for ; Thu, 24 Apr 2014 00:51:04 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id A01398F8039 for ; Wed, 23 Apr 2014 22:51:04 -0700 (PDT) X-ASG-Debug-ID: 1398318662-04cbb04b9224360001-NocioJ Received: from ipmail04.adl6.internode.on.net (ipmail04.adl6.internode.on.net [150.101.137.141]) by cuda.sgi.com with ESMTP id gvz8H4XY0ggNZa7t for ; Wed, 23 Apr 2014 22:51:02 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.141 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AhhbABylWFN5LEcvPGdsb2JhbABagwZPgxWoCZlugRcXAwEBAQE4NYIlAQEFOhwjEAgDDgoJJQ8FJQMHGhOIQA7MHBcWjEaBfAeDJIEVBJh0lhor Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail04.adl6.internode.on.net with ESMTP; 24 Apr 2014 15:21:01 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WdCYn-00076W-Bp; Thu, 24 Apr 2014 15:51:01 +1000 Date: Thu, 24 Apr 2014 15:51:01 +1000 From: Dave Chinner To: Brian Foster Cc: xfs@oss.sgi.com Subject: Re: [PATCH v5 00/11] xfs: introduce the free inode btree Message-ID: <20140424055101.GD15995@dastard> X-ASG-Orig-Subj: Re: [PATCH v5 00/11] xfs: introduce the free inode btree References: <1397146116-42546-1-git-send-email-bfoster@redhat.com> <20140414094632.GC31578@dastard> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140414094632.GC31578@dastard> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail04.adl6.internode.on.net[150.101.137.141] X-Barracuda-Start-Time: 1398318662 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.60 X-Barracuda-Spam-Status: No, SCORE=0.60 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=MARKETING_SUBJECT X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5206 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.60 MARKETING_SUBJECT Subject contains popular marketing words On Mon, Apr 14, 2014 at 07:46:32PM +1000, Dave Chinner wrote: > On Thu, Apr 10, 2014 at 12:08:25PM -0400, Brian Foster wrote: > > Hi all, > > > > This is a minor rebase of the finobt series on the latest for-next > > branch. The previous version (v4) is here: > > > > http://oss.sgi.com/archives/xfs/2014-02/msg00763.html > > > > The most recent series with review feedback is v3: > > > > http://oss.sgi.com/archives/xfs/2014-02/msg00121.html > > > > Brian > > I've just had a look at this series, and I haven't found anything to > complain about apart from a couple of stray whitespaces that I > fixed. I'm going to run it through some finobt=0 test runs until i > get a chance to look at the userspace patches. If I don't notice > anything in the next couple of days, I'll merge the topic branch > into the main tree.... All looks pretty good. I can fix the one little problem I noticed myself, and so I think this is ready for merging. The userspace stuff isn't directly necessary right away - that won't get merged until 3.2 is released, but I don't see that as a problem for merging the kernel code... Cheers, Dave. -- Dave Chinner david@fromorbit.com From dgc@oss.sgi.com Thu Apr 24 01:15:09 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=-0.0 required=5.0 tests=NO_RELAYS autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: by oss.sgi.com (Postfix, from userid 10266) id 0FF037F53; Thu, 24 Apr 2014 01:15:09 -0500 (CDT) From: xfs@oss.sgi.com To: xfs@oss.sgi.com Subject: [XFS updates] XFS development tree branch, xfs-free-inode-btree, created. xfs-for-linus-3.15-rc1-14837-g53801fd X-Git-Refname: refs/heads/xfs-free-inode-btree X-Git-Reftype: branch X-Git-Oldrev: 0000000000000000000000000000000000000000 X-Git-Newrev: 53801fd97ae000793f51187b122b9475102199a8 Message-Id: <20140424061509.0FF037F53@oss.sgi.com> Date: Thu, 24 Apr 2014 01:15:08 -0500 (CDT) This is an automated email from the git hooks/post-receive script. It was generated because a ref change was pushed to the repository containing the project "XFS development tree". The branch, xfs-free-inode-btree has been created at 53801fd97ae000793f51187b122b9475102199a8 (commit) - Log ----------------------------------------------------------------- commit 53801fd97ae000793f51187b122b9475102199a8 Author: Brian Foster Date: Thu Apr 24 16:01:42 2014 +1000 xfs: enable the finobt feature on v5 superblocks Add the finobt feature bit to the list of known features. As of this point, the kernel code knows how to mount and manage both finobt and non-finobt formatted filesystems. Signed-off-by: Brian Foster Reviewed-by: Dave Chinner Signed-off-by: Dave Chinner commit 0c153c1e4326725e9d5e9de6a25fe8ec2353d5ee Author: Brian Foster Date: Thu Apr 24 16:01:41 2014 +1000 xfs: report finobt status in fs geometry Define the XFS_FSOP_GEOM_FLAGS_FINOBT fs geometry flag and set the associated bit if the filesystem supports the free inode btree. Signed-off-by: Brian Foster Reviewed-by: Dave Chinner Signed-off-by: Dave Chinner commit a3fa516dd81c49d9c276f59d57ed6e36aaefbe1d Author: Brian Foster Date: Thu Apr 24 16:01:39 2014 +1000 xfs: add finobt support to growfs Add finobt support to growfs. Initialize the agi root/level fields and the root finobt block. Signed-off-by: Brian Foster Reviewed-by: Dave Chinner Signed-off-by: Dave Chinner commit 3efa4ffd58a04f859713daaf910f1f1ff8ef647f Author: Brian Foster Date: Thu Apr 24 16:00:53 2014 +1000 xfs: update the finobt on inode free An inode free operation can have several effects on the finobt. If all inodes have been freed and the chunk deallocated, we remove the finobt record. If the inode chunk was previously full, we must insert a new record based on the existing inobt record. Otherwise, we modify the record in place. Create the xfs_difree_finobt() function to identify the potential scenarios and update the finobt appropriately. Signed-off-by: Brian Foster Reviewed-by: Dave Chinner Signed-off-by: Dave Chinner commit 2b64ee5cdc106704b5c0f8954a52aa598eee25eb Author: Brian Foster Date: Thu Apr 24 16:00:53 2014 +1000 xfs: refactor xfs_difree() inobt bits into xfs_difree_inobt() helper Refactor xfs_difree() in preparation for the finobt. xfs_difree() performs the validity checks against the ag and reads the agi header. The work of physically updating the inode allocation btree is pushed down into the new xfs_difree_inobt() helper. Signed-off-by: Brian Foster Reviewed-by: Dave Chinner Signed-off-by: Dave Chinner commit 6dd8638e4e8764e0d6557fc62840a815a99c136d Author: Brian Foster Date: Thu Apr 24 16:00:53 2014 +1000 xfs: use and update the finobt on inode allocation Replace xfs_dialloc_ag() with an implementation that looks for a record in the finobt. The finobt only tracks records with at least one free inode. This eliminates the need for the intra-ag scan in the original algorithm. Once the inode is allocated, update the finobt appropriately (possibly removing the record) as well as the inobt. Move the original xfs_dialloc_ag() algorithm to xfs_dialloc_ag_inobt() and fall back as such if finobt support is not enabled. Signed-off-by: Brian Foster Reviewed-by: Dave Chinner Signed-off-by: Dave Chinner commit 0aa0a756ec255cfc8b733fe0d8993c1758b1240c Author: Brian Foster Date: Thu Apr 24 16:00:53 2014 +1000 xfs: insert newly allocated inode chunks into the finobt A newly allocated inode chunk, by definition, has at least one free inode, so a record is always inserted into the finobt. Create the xfs_inobt_insert() helper from existing code to insert a record in an inobt based on the provided BTNUM. Update xfs_ialloc_ag_alloc() to invoke the helper for the existing XFS_BTNUM_INO tree and XFS_BTNUM_FINO tree, if enabled. Signed-off-by: Brian Foster Reviewed-by: Dave Chinner Signed-off-by: Dave Chinner commit 9d43b180af67cccd4bd1342f7f54f8131515b0a1 Author: Brian Foster Date: Thu Apr 24 16:00:52 2014 +1000 xfs: update inode allocation/free transaction reservations for finobt Create the xfs_calc_finobt_res() helper to calculate the finobt log reservation for inode allocation and free. Update XFS_IALLOC_SPACE_RES() to reserve blocks for the additional finobt insertion on inode allocation. Create XFS_IFREE_SPACE_RES() to reserve blocks for the potential finobt record insertion on inode free (i.e., if an inode chunk was previously fully allocated). Signed-off-by: Brian Foster Reviewed-by: Dave Chinner Signed-off-by: Dave Chinner commit aafc3c24652924ea951d215d04a3f42e832e9d7d Author: Brian Foster Date: Thu Apr 24 16:00:52 2014 +1000 xfs: support the XFS_BTNUM_FINOBT free inode btree type Define the AGI fields for the finobt root/level and add magic numbers. Update the btree code to add support for the new XFS_BTNUM_FINOBT inode btree. The finobt root block is reserved immediately following the inobt root block in the AG. Update XFS_PREALLOC_BLOCKS() to determine the starting AG data block based on whether finobt support is enabled. Signed-off-by: Brian Foster Reviewed-by: Dave Chinner Signed-off-by: Dave Chinner commit 8e2c84df20aa66ae9a6ee32831a9c622f4823118 Author: Brian Foster Date: Thu Apr 24 16:00:52 2014 +1000 xfs: reserve v5 superblock read-only compat. feature bit for finobt Reserve a v5 read-only compatibility feature bit for the finobt and create the xfs_sb_version_hasfinobt() helper to determine whether an fs has the feature enabled. The finobt does not change existing on-disk structures, but must remain consistent with the ialloc btree. Modifications from older kernels would violate that constrant. Therefore, we restrict older kernels to read-only mounts of finobt-enabled filesystems. Note that this does not yet enable the ability to rw mount a finobt fs (by setting the feature bit in the XFS_SB_FEAT_RO_COMPAT_ALL mask). Signed-off-by: Brian Foster Reviewed-by: Dave Chinner Signed-off-by: Dave Chinner commit 57bd3dbe4059c6fff7e39927e5aa789dfb2585b9 Author: Brian Foster Date: Thu Apr 24 16:00:50 2014 +1000 xfs: refactor xfs_ialloc_btree.c to support multiple inobt numbers The introduction of the free inode btree (finobt) requires that xfs_ialloc_btree.c handle multiple trees. Refactor xfs_ialloc_btree.c so the caller specifies the btree type on cursor initialization to prepare for addition of the finobt. Signed-off-by: Brian Foster Reviewed-by: Dave Chinner Reviewed-by: Christoph Hellwig Signed-off-by: Dave Chinner ----------------------------------------------------------------------- hooks/post-receive -- XFS development tree From dgc@oss.sgi.com Thu Apr 24 01:16:24 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=-0.0 required=5.0 tests=NO_RELAYS autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: by oss.sgi.com (Postfix, from userid 10266) id 8B9BC7F53; Thu, 24 Apr 2014 01:16:24 -0500 (CDT) From: xfs@oss.sgi.com To: xfs@oss.sgi.com Subject: [XFS updates] XFS development tree branch, for-next, updated. xfs-for-linus-3.15-rc2-43-gb8b39d3 X-Git-Refname: refs/heads/for-next X-Git-Reftype: branch X-Git-Oldrev: 7043507bfa1af648512e36d95cca484757df0b64 X-Git-Newrev: b8b39d39f94c0d3ea5771d1df3151c569599c20a Message-Id: <20140424061624.8B9BC7F53@oss.sgi.com> Date: Thu, 24 Apr 2014 01:16:24 -0500 (CDT) This is an automated email from the git hooks/post-receive script. It was generated because a ref change was pushed to the repository containing the project "XFS development tree". The branch, for-next has been updated b8b39d3 Merge branch 'xfs-free-inode-btree' into for-next 53801fd xfs: enable the finobt feature on v5 superblocks 0c153c1 xfs: report finobt status in fs geometry a3fa516 xfs: add finobt support to growfs 3efa4ff xfs: update the finobt on inode free 2b64ee5 xfs: refactor xfs_difree() inobt bits into xfs_difree_inobt() helper 6dd8638 xfs: use and update the finobt on inode allocation 0aa0a75 xfs: insert newly allocated inode chunks into the finobt 9d43b18 xfs: update inode allocation/free transaction reservations for finobt aafc3c2 xfs: support the XFS_BTNUM_FINOBT free inode btree type 8e2c84d xfs: reserve v5 superblock read-only compat. feature bit for finobt 57bd3db xfs: refactor xfs_ialloc_btree.c to support multiple inobt numbers from 7043507bfa1af648512e36d95cca484757df0b64 (commit) Those revisions listed above that are new to this repository have not appeared on any other notification email; so we list those revisions in full, below. - Log ----------------------------------------------------------------- commit b8b39d39f94c0d3ea5771d1df3151c569599c20a Merge: 7043507 53801fd Author: Dave Chinner Date: Thu Apr 24 16:11:57 2014 +1000 Merge branch 'xfs-free-inode-btree' into for-next ----------------------------------------------------------------------- Summary of changes: fs/xfs/xfs_ag.h | 36 ++- fs/xfs/xfs_btree.c | 6 +- fs/xfs/xfs_btree.h | 3 + fs/xfs/xfs_format.h | 14 +- fs/xfs/xfs_fs.h | 1 + fs/xfs/xfs_fsops.c | 36 ++- fs/xfs/xfs_ialloc.c | 695 +++++++++++++++++++++++++++++++++++++++------- fs/xfs/xfs_ialloc_btree.c | 68 ++++- fs/xfs/xfs_ialloc_btree.h | 3 +- fs/xfs/xfs_inode.c | 28 +- fs/xfs/xfs_itable.c | 6 +- fs/xfs/xfs_log_recover.c | 2 + fs/xfs/xfs_sb.h | 10 +- fs/xfs/xfs_stats.c | 1 + fs/xfs/xfs_stats.h | 18 +- fs/xfs/xfs_trans_resv.c | 53 +++- fs/xfs/xfs_trans_space.h | 7 +- fs/xfs/xfs_types.h | 2 +- 18 files changed, 852 insertions(+), 137 deletions(-) hooks/post-receive -- XFS development tree From stefanrin@gmail.com Thu Apr 24 01:55:01 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=FREEMAIL_FROM,T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id D79127F52 for ; Thu, 24 Apr 2014 01:55:00 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 56A1BAC007 for ; Wed, 23 Apr 2014 23:54:57 -0700 (PDT) X-ASG-Debug-ID: 1398322494-04cbb04b9325e60001-NocioJ Received: from mail-wi0-f182.google.com (mail-wi0-f182.google.com [209.85.212.182]) by cuda.sgi.com with ESMTP id EW8q4vsMy1135TuL (version=TLSv1 cipher=RC4-SHA bits=128 verify=NO) for ; Wed, 23 Apr 2014 23:54:55 -0700 (PDT) X-Barracuda-Envelope-From: stefanrin@gmail.com X-Barracuda-Apparent-Source-IP: 209.85.212.182 X-Barracuda-IPDD: Level1 [gmail.com/209.85.212.182] Received: by mail-wi0-f182.google.com with SMTP id d1so540421wiv.9 for ; Wed, 23 Apr 2014 23:54:54 -0700 (PDT) X-Barracuda-IPDD: Level1 [gmail.com/209.85.212.182] X-Barracuda-IPDD: Level1 [gmail.com/209.85.212.182] DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=Q6/OaUvjh+PU82VFapk4Gd0UyseIRWMvD4GwZPC9Vnw=; b=xlITyB+3xDzLMSdgJrlx46R6aB3NysaQBWoSULrhWKxBMOrSTASWoSxFNwNatFKLCR yFyUa5YgbT+IWJ8uPAZMoZmJ3EE61tqtzLbED52WgF81on19WOE6hup+ecy+GUWu5N8t rRlOf9tw+LOezdD8NpLgbwdCO9qRHUXmasW+bhVB+zGK0vcmM+UTlq00ou25xMxnmbGA z/+dcL2XuIUiBnjoizKWeCk6NA2uFyWj0sfczSWmhXdp7c1jBkfhFW755M+hI66aFn37 FlCnJv2U50LkjxlmOhDsZENGUxNZPwNRh48V8eKQD8jIcPbrnVS4KmuQssLyBfWYWyY3 6vyw== MIME-Version: 1.0 X-Received: by 10.180.8.40 with SMTP id o8mr4957085wia.25.1398322494540; Wed, 23 Apr 2014 23:54:54 -0700 (PDT) Received: by 10.194.169.7 with HTTP; Wed, 23 Apr 2014 23:54:54 -0700 (PDT) In-Reply-To: References: <20140408015012.GB22917@dastard> <20140408053117.GJ27017@dastard> Date: Thu, 24 Apr 2014 08:54:54 +0200 Message-ID: Subject: Re: XFS fragmentation on file append From: Stefan Ring X-ASG-Orig-Subj: Re: XFS fragmentation on file append To: Keyur Govande Cc: linux-fsdevel@vger.kernel.org, Linux fs XFS Content-Type: text/plain; charset=UTF-8 X-Barracuda-Connect: mail-wi0-f182.google.com[209.85.212.182] X-Barracuda-Start-Time: 1398322495 X-Barracuda-Encrypted: RC4-SHA X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.01 X-Barracuda-Spam-Status: No, SCORE=0.01 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_SA_TO_FROM_DOMAIN_MATCH, DKIM_SIGNED, DKIM_VERIFIED X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5207 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- -0.00 DKIM_VERIFIED Domain Keys Identified Mail: signature passes verification 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature 0.01 BSF_SC0_SA_TO_FROM_DOMAIN_MATCH Sender Domain Matches Recipient Domain I've become interested in this topic, as I'm also running MySQL with O_DIRECT and innodb_file_per_table. Out of curiosity, I immediately ran xfs_bmap on a moderately sized table space (34GB). It listed around 30000 fragments, on average one for every MB. I want to report what happened then: A flurry of activity started on both disks (root/swap lives on one of them, the data volume containing the MySQL files on another) and lasted for about two minutes. Afterwards, all memory previously allocated to the file cache has become free, and also everything XFS seems to keep buffered internally (I think it's called SReclaimable) was released. Swap usage increased only slightly. dmesg was silent during that time. This is a 2.6.32-358.2.1.el6.x86_64 kernel with xfsprogs 3.1.1 (CentOS 6.4). The machine has 64GB of RAM (2 NUMA nodes) and 24 (virtual) cores. Is this known behavior of xfs_bmap? From dave@fromorbit.com Thu Apr 24 02:36:46 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 727547F52 for ; Thu, 24 Apr 2014 02:36:46 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id 60A0F304051 for ; Thu, 24 Apr 2014 00:36:46 -0700 (PDT) X-ASG-Debug-ID: 1398325000-04cbb04b9227130001-NocioJ Received: from ipmail04.adl6.internode.on.net (ipmail04.adl6.internode.on.net [150.101.137.141]) by cuda.sgi.com with ESMTP id iZrBFSdbXWoGzniR for ; Thu, 24 Apr 2014 00:36:41 -0700 (PDT) X-Barracuda-Envelope-From: dave@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.141 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AjZdAMO9WFN5LEcvPGdsb2JhbABagwaIbqMAmwUXAwEBAQE4NYIlAS0vOxhqAwctiECZU7I9jnWEIwSvDiuBLAIeBAI Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail04.adl6.internode.on.net with ESMTP; 24 Apr 2014 17:06:40 +0930 Received: from disappointment.disaster.area ([192.168.1.110] helo=disappointment) by dastard with esmtp (Exim 4.80) (envelope-from ) id 1WdED0-0007M8-7f for xfs@oss.sgi.com; Thu, 24 Apr 2014 17:36:38 +1000 Received: from dave by disappointment with local (Exim 4.82) (envelope-from ) id 1WdED0-0000gQ-6T for xfs@oss.sgi.com; Thu, 24 Apr 2014 17:36:38 +1000 From: Dave Chinner To: xfs@oss.sgi.com Subject: [3.15-rc4 PATCH] xfs: fully support v5 format filesystems Date: Thu, 24 Apr 2014 17:36:38 +1000 X-ASG-Orig-Subj: [3.15-rc4 PATCH] xfs: fully support v5 format filesystems Message-Id: <1398324998-2592-1-git-send-email-david@fromorbit.com> X-Mailer: git-send-email 1.9.0 X-Barracuda-Connect: ipmail04.adl6.internode.on.net[150.101.137.141] X-Barracuda-Start-Time: 1398325000 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5207 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- From: Dave Chinner We have had this code in the kernel for over a year now and have shaken all the known issues out of the code over the past few releases. It's now time to remove the experimental warnings during mount and fully support the new filesystem format in production systems. Remove the experimental warning, and add a version number to the initial "mounting filesystem" message to tell use what type of filesystem is being mounted. Also, remove the temporary inode cluster size output at mount time now we know that this code works fine. Signed-off-by: Dave Chinner --- fs/xfs/xfs_log.c | 10 ++++++---- fs/xfs/xfs_mount.c | 2 -- fs/xfs/xfs_sb.c | 4 ---- 3 files changed, 6 insertions(+), 10 deletions(-) diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c index 08624dc..a5f8bd9 100644 --- a/fs/xfs/xfs_log.c +++ b/fs/xfs/xfs_log.c @@ -616,11 +616,13 @@ xfs_log_mount( int error = 0; int min_logfsbs; - if (!(mp->m_flags & XFS_MOUNT_NORECOVERY)) - xfs_notice(mp, "Mounting Filesystem"); - else { + if (!(mp->m_flags & XFS_MOUNT_NORECOVERY)) { + xfs_notice(mp, "Mounting V%d Filesystem", + XFS_SB_VERSION_NUM(&mp->m_sb)); + } else { xfs_notice(mp, -"Mounting filesystem in no-recovery mode. Filesystem will be inconsistent."); +"Mounting V%d filesystem in no-recovery mode. Filesystem will be inconsistent.", + XFS_SB_VERSION_NUM(&mp->m_sb)); ASSERT(mp->m_flags & XFS_MOUNT_RDONLY); } diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c index 993cb19..944f3d9 100644 --- a/fs/xfs/xfs_mount.c +++ b/fs/xfs/xfs_mount.c @@ -743,8 +743,6 @@ xfs_mountfs( new_size *= mp->m_sb.sb_inodesize / XFS_DINODE_MIN_SIZE; if (mp->m_sb.sb_inoalignmt >= XFS_B_TO_FSBT(mp, new_size)) mp->m_inode_cluster_size = new_size; - xfs_info(mp, "Using inode cluster size of %d bytes", - mp->m_inode_cluster_size); } /* diff --git a/fs/xfs/xfs_sb.c b/fs/xfs/xfs_sb.c index 0c0e41b..8baf61a 100644 --- a/fs/xfs/xfs_sb.c +++ b/fs/xfs/xfs_sb.c @@ -201,10 +201,6 @@ xfs_mount_validate_sb( * write validation, we don't need to check feature masks. */ if (check_version && XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_5) { - xfs_alert(mp, -"Version 5 superblock detected. This kernel has EXPERIMENTAL support enabled!\n" -"Use of these features in this kernel is at your own risk!"); - if (xfs_sb_has_compat_feature(sbp, XFS_SB_FEAT_COMPAT_UNKNOWN)) { xfs_warn(mp, -- 1.9.0 From bfoster@redhat.com Thu Apr 24 06:28:30 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 3BBEE7F52 for ; Thu, 24 Apr 2014 06:28:30 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 23275304048 for ; Thu, 24 Apr 2014 04:28:26 -0700 (PDT) X-ASG-Debug-ID: 1398338905-04cb6c2b7c2fe20001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id HW192qtFAUGujHjC for ; Thu, 24 Apr 2014 04:28:26 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx13.intmail.prod.int.phx2.redhat.com (int-mx13.intmail.prod.int.phx2.redhat.com [10.5.11.26]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3OBSNxg024710 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 24 Apr 2014 07:28:24 -0400 Received: from bfoster.bfoster ([10.18.41.237]) by int-mx13.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s3OBSNIW024673; Thu, 24 Apr 2014 07:28:23 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id 41E3F12573F; Thu, 24 Apr 2014 07:28:22 -0400 (EDT) Date: Thu, 24 Apr 2014 07:28:22 -0400 From: Brian Foster To: Dave Chinner Cc: xfs@oss.sgi.com Subject: Re: [PATCH v5 03/11] xfs: support the XFS_BTNUM_FINOBT free inode btree type Message-ID: <20140424112820.GA51140@bfoster.bfoster> X-ASG-Orig-Subj: Re: [PATCH v5 03/11] xfs: support the XFS_BTNUM_FINOBT free inode btree type References: <1397146116-42546-1-git-send-email-bfoster@redhat.com> <1397146116-42546-4-git-send-email-bfoster@redhat.com> <20140424052722.GZ15995@dastard> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140424052722.GZ15995@dastard> User-Agent: Mutt/1.5.21 (2010-09-15) X-Scanned-By: MIMEDefang 2.68 on 10.5.11.26 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1398338905 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Thu, Apr 24, 2014 at 03:27:22PM +1000, Dave Chinner wrote: > On Thu, Apr 10, 2014 at 12:08:28PM -0400, Brian Foster wrote: > > Define the AGI fields for the finobt root/level and add magic > > numbers. Update the btree code to add support for the new > > XFS_BTNUM_FINOBT inode btree. > > > > The finobt root block is reserved immediately following the inobt > > root block in the AG. Update XFS_PREALLOC_BLOCKS() to determine the > > starting AG data block based on whether finobt support is enabled. > > > > Signed-off-by: Brian Foster > > Looks good. > > Reviewed-by: Dave Chinner > > FWIW, xfstests doesn't give us particularly good coverage of all > the finobt operations: > > $ $ grep fibt /proc/fs/xfs/stat > fibt2 43617 50359 338 336 0 0 0 0 0 0 0 0 0 0 136 > > So perhaps we want to look at improving that over time. > Ok, noted. I'll have to think about some tests tailored to exercise the finobt. Brian > Cheers, > > Dave. > -- > Dave Chinner > david@fromorbit.com From bfoster@redhat.com Thu Apr 24 06:29:51 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id CFA4A7F52 for ; Thu, 24 Apr 2014 06:29:51 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id 8A42E8F8040 for ; Thu, 24 Apr 2014 04:29:51 -0700 (PDT) X-ASG-Debug-ID: 1398338990-04bdf05c732ed70001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id T4kWFBc9AGxegz2L for ; Thu, 24 Apr 2014 04:29:50 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx14.intmail.prod.int.phx2.redhat.com (int-mx14.intmail.prod.int.phx2.redhat.com [10.5.11.27]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3OBTnuI024967 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 24 Apr 2014 07:29:49 -0400 Received: from bfoster.bfoster ([10.18.41.237]) by int-mx14.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s3OBTnXe014376; Thu, 24 Apr 2014 07:29:49 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id 8610312573F; Thu, 24 Apr 2014 07:29:48 -0400 (EDT) Date: Thu, 24 Apr 2014 07:29:48 -0400 From: Brian Foster To: Dave Chinner Cc: xfs@oss.sgi.com Subject: Re: [PATCH v5 04/11] xfs: update inode allocation/free transaction reservations for finobt Message-ID: <20140424112948.GB51140@bfoster.bfoster> X-ASG-Orig-Subj: Re: [PATCH v5 04/11] xfs: update inode allocation/free transaction reservations for finobt References: <1397146116-42546-1-git-send-email-bfoster@redhat.com> <1397146116-42546-5-git-send-email-bfoster@redhat.com> <20140424053259.GA15995@dastard> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140424053259.GA15995@dastard> User-Agent: Mutt/1.5.21 (2010-09-15) X-Scanned-By: MIMEDefang 2.68 on 10.5.11.27 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1398338990 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Thu, Apr 24, 2014 at 03:32:59PM +1000, Dave Chinner wrote: > On Thu, Apr 10, 2014 at 12:08:29PM -0400, Brian Foster wrote: > > Create the xfs_calc_finobt_res() helper to calculate the finobt log > > reservation for inode allocation and free. Update > > XFS_IALLOC_SPACE_RES() to reserve blocks for the additional finobt > > insertion on inode allocation. Create XFS_IFREE_SPACE_RES() to > > reserve blocks for the potential finobt record insertion on inode > > free (i.e., if an inode chunk was previously fully allocated). > > > > Signed-off-by: Brian Foster > > --- > > fs/xfs/xfs_inode.c | 25 ++++++++++++++++++++++- > > fs/xfs/xfs_trans_resv.c | 53 +++++++++++++++++++++++++++++++++++++++++++++--- > > fs/xfs/xfs_trans_space.h | 7 ++++++- > > 3 files changed, 80 insertions(+), 5 deletions(-) > > > > diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c > > index 5e7a38f..8576892 100644 > > --- a/fs/xfs/xfs_inode.c > > +++ b/fs/xfs/xfs_inode.c > > @@ -1837,8 +1837,31 @@ xfs_inactive_ifree( > > int error; > > > > tp = xfs_trans_alloc(mp, XFS_TRANS_INACTIVE); > > - error = xfs_trans_reserve(tp, &M_RES(mp)->tr_ifree, 0, 0); > > + > > + /* > > + * The ifree transaction might need to allocate blocks for record > > + * insertion to the finobt. We don't want to fail here at ENOSPC, so > > + * allow ifree to dip into the reserved block pool if necessary. > > + * > > + * Freeing large sets of inodes generally means freeing inode chunks, > > + * directory and file data blocks, so this should be relatively safe. > > + * Only under severe circumstances should it be possible to free enough > > + * inodes to exhaust the reserve block pool via finobt expansion while > > + * at the same time not creating free space in the filesystem. > > + * > > + * Send a warning if the reservation does happen to fail, as the inode > > + * now remains allocated and sits on the unlinked list until the fs is > > + * repaired. > > + */ > > + tp->t_flags |= XFS_TRANS_RESERVE; > > + error = xfs_trans_reserve(tp, &M_RES(mp)->tr_ifree, > > + XFS_IFREE_SPACE_RES(mp), 0); > > if (error) { > > + if (error == ENOSPC) > > + xfs_warn_ratelimited(mp, > > + "Failed to remove inode(s) from unlinked list. " > > + "Please free space, unmount and run xfs_repair."); > > + > > ASSERT(XFS_FORCED_SHUTDOWN(mp)); > > xfs_trans_cancel(tp, XFS_TRANS_RELEASE_LOG_RES); > > return error; > > Comment is good, but if we get an ENOSPC error here we won't be in a > shutdown state, hence the assert needs fixing (i.e. else {assert}) > Yeah, good catch. Brian > Otherwise this looks good. > > Reviewed-by: Dave Chinner > > Cheers, > > Dave. > -- > Dave Chinner > david@fromorbit.com From bfoster@redhat.com Thu Apr 24 06:56:36 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 3BFD07F52 for ; Thu, 24 Apr 2014 06:56:36 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id BB984AC007 for ; Thu, 24 Apr 2014 04:56:35 -0700 (PDT) X-ASG-Debug-ID: 1398340594-04cbb04b9132330001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id rvy3tyBjyiXo6fvb for ; Thu, 24 Apr 2014 04:56:34 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx10.intmail.prod.int.phx2.redhat.com (int-mx10.intmail.prod.int.phx2.redhat.com [10.5.11.23]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3OBuWPD012691 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 24 Apr 2014 07:56:33 -0400 Received: from bfoster.bfoster ([10.18.41.237]) by int-mx10.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s3OBUQli011782; Thu, 24 Apr 2014 07:30:27 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id 277E212573F; Thu, 24 Apr 2014 07:30:26 -0400 (EDT) Date: Thu, 24 Apr 2014 07:30:26 -0400 From: Brian Foster To: Dave Chinner Cc: xfs@oss.sgi.com Subject: Re: [PATCH v5 00/11] xfs: introduce the free inode btree Message-ID: <20140424113025.GC51140@bfoster.bfoster> X-ASG-Orig-Subj: Re: [PATCH v5 00/11] xfs: introduce the free inode btree References: <1397146116-42546-1-git-send-email-bfoster@redhat.com> <20140414094632.GC31578@dastard> <20140424055101.GD15995@dastard> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140424055101.GD15995@dastard> User-Agent: Mutt/1.5.21 (2010-09-15) X-Scanned-By: MIMEDefang 2.68 on 10.5.11.23 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1398340594 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Thu, Apr 24, 2014 at 03:51:01PM +1000, Dave Chinner wrote: > On Mon, Apr 14, 2014 at 07:46:32PM +1000, Dave Chinner wrote: > > On Thu, Apr 10, 2014 at 12:08:25PM -0400, Brian Foster wrote: > > > Hi all, > > > > > > This is a minor rebase of the finobt series on the latest for-next > > > branch. The previous version (v4) is here: > > > > > > http://oss.sgi.com/archives/xfs/2014-02/msg00763.html > > > > > > The most recent series with review feedback is v3: > > > > > > http://oss.sgi.com/archives/xfs/2014-02/msg00121.html > > > > > > Brian > > > > I've just had a look at this series, and I haven't found anything to > > complain about apart from a couple of stray whitespaces that I > > fixed. I'm going to run it through some finobt=0 test runs until i > > get a chance to look at the userspace patches. If I don't notice > > anything in the next couple of days, I'll merge the topic branch > > into the main tree.... > > All looks pretty good. I can fix the one little problem I noticed > myself, and so I think this is ready for merging. The userspace > stuff isn't directly necessary right away - that won't get merged > until 3.2 is released, but I don't see that as a problem for merging > the kernel code... > Ok, thanks. At this point then I'll plan to keep the first 10 or 11 or so patches of the userspace series (that are based on these) equivalent. If any fixes creep in before that happens to be merged, those can just get appended to the series. Brian > Cheers, > > Dave. > -- > Dave Chinner > david@fromorbit.com From bfoster@redhat.com Thu Apr 24 07:54:02 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 774227F52 for ; Thu, 24 Apr 2014 07:54:02 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id 4289E8F804B for ; Thu, 24 Apr 2014 05:53:59 -0700 (PDT) X-ASG-Debug-ID: 1398344037-04bdf05c74350a0001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id rKzP6EmoUGXwMC13 for ; Thu, 24 Apr 2014 05:53:58 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx10.intmail.prod.int.phx2.redhat.com (int-mx10.intmail.prod.int.phx2.redhat.com [10.5.11.23]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3OCruQN030862 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 24 Apr 2014 08:53:56 -0400 Received: from bfoster.bfoster ([10.18.41.237]) by int-mx10.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s3OCru3S018605; Thu, 24 Apr 2014 08:53:56 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id 1D52912573F; Thu, 24 Apr 2014 08:53:55 -0400 (EDT) Date: Thu, 24 Apr 2014 08:53:55 -0400 From: Brian Foster To: Dave Chinner Cc: xfs@oss.sgi.com Subject: Re: [3.15-rc4 PATCH] xfs: fully support v5 format filesystems Message-ID: <20140424125354.GD51140@bfoster.bfoster> X-ASG-Orig-Subj: Re: [3.15-rc4 PATCH] xfs: fully support v5 format filesystems References: <1398324998-2592-1-git-send-email-david@fromorbit.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1398324998-2592-1-git-send-email-david@fromorbit.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-Scanned-By: MIMEDefang 2.68 on 10.5.11.23 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1398344037 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Thu, Apr 24, 2014 at 05:36:38PM +1000, Dave Chinner wrote: > From: Dave Chinner > > We have had this code in the kernel for over a year now and have > shaken all the known issues out of the code over the past few > releases. It's now time to remove the experimental warnings during > mount and fully support the new filesystem format in production > systems. > > Remove the experimental warning, and add a version number to the > initial "mounting filesystem" message to tell use what type of > filesystem is being mounted. Also, remove the temporary inode > cluster size output at mount time now we know that this code works > fine. > > Signed-off-by: Dave Chinner > --- Seems reasonable to me at this point. Reviewed-by: Brian Foster > fs/xfs/xfs_log.c | 10 ++++++---- > fs/xfs/xfs_mount.c | 2 -- > fs/xfs/xfs_sb.c | 4 ---- > 3 files changed, 6 insertions(+), 10 deletions(-) > > diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c > index 08624dc..a5f8bd9 100644 > --- a/fs/xfs/xfs_log.c > +++ b/fs/xfs/xfs_log.c > @@ -616,11 +616,13 @@ xfs_log_mount( > int error = 0; > int min_logfsbs; > > - if (!(mp->m_flags & XFS_MOUNT_NORECOVERY)) > - xfs_notice(mp, "Mounting Filesystem"); > - else { > + if (!(mp->m_flags & XFS_MOUNT_NORECOVERY)) { > + xfs_notice(mp, "Mounting V%d Filesystem", > + XFS_SB_VERSION_NUM(&mp->m_sb)); > + } else { > xfs_notice(mp, > -"Mounting filesystem in no-recovery mode. Filesystem will be inconsistent."); > +"Mounting V%d filesystem in no-recovery mode. Filesystem will be inconsistent.", > + XFS_SB_VERSION_NUM(&mp->m_sb)); > ASSERT(mp->m_flags & XFS_MOUNT_RDONLY); > } > > diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c > index 993cb19..944f3d9 100644 > --- a/fs/xfs/xfs_mount.c > +++ b/fs/xfs/xfs_mount.c > @@ -743,8 +743,6 @@ xfs_mountfs( > new_size *= mp->m_sb.sb_inodesize / XFS_DINODE_MIN_SIZE; > if (mp->m_sb.sb_inoalignmt >= XFS_B_TO_FSBT(mp, new_size)) > mp->m_inode_cluster_size = new_size; > - xfs_info(mp, "Using inode cluster size of %d bytes", > - mp->m_inode_cluster_size); > } > > /* > diff --git a/fs/xfs/xfs_sb.c b/fs/xfs/xfs_sb.c > index 0c0e41b..8baf61a 100644 > --- a/fs/xfs/xfs_sb.c > +++ b/fs/xfs/xfs_sb.c > @@ -201,10 +201,6 @@ xfs_mount_validate_sb( > * write validation, we don't need to check feature masks. > */ > if (check_version && XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_5) { > - xfs_alert(mp, > -"Version 5 superblock detected. This kernel has EXPERIMENTAL support enabled!\n" > -"Use of these features in this kernel is at your own risk!"); > - > if (xfs_sb_has_compat_feature(sbp, > XFS_SB_FEAT_COMPAT_UNKNOWN)) { > xfs_warn(mp, > -- > 1.9.0 > > _______________________________________________ > xfs mailing list > xfs@oss.sgi.com > http://oss.sgi.com/mailman/listinfo/xfs From lczerner@redhat.com Thu Apr 24 11:01:54 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 03F0B7F52 for ; Thu, 24 Apr 2014 11:01:54 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id D368E304051 for ; Thu, 24 Apr 2014 09:01:53 -0700 (PDT) X-ASG-Debug-ID: 1398355308-04cbb04b9145a70001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id iVc9KpV5dyoiuO0Y for ; Thu, 24 Apr 2014 09:01:49 -0700 (PDT) X-Barracuda-Envelope-From: lczerner@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx13.intmail.prod.int.phx2.redhat.com (int-mx13.intmail.prod.int.phx2.redhat.com [10.5.11.26]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3OG1l8U020513 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Thu, 24 Apr 2014 12:01:48 -0400 Received: from localhost.localdomain.com (dhcp-1-119.brq.redhat.com [10.34.1.119]) by int-mx13.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s3OG1kmD016543; Thu, 24 Apr 2014 12:01:46 -0400 From: Lukas Czerner To: xfs@oss.sgi.com Cc: Lukas Czerner Subject: [PATCH] xfstests: Use _require_xfs_io_command() instead of helpers Date: Thu, 24 Apr 2014 18:01:43 +0200 X-ASG-Orig-Subj: [PATCH] xfstests: Use _require_xfs_io_command() instead of helpers Message-Id: <1398355303-29348-1-git-send-email-lczerner@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.26 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1398355308 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 Number of helpers for checking xfs_io functionality is slowly growing. But it's as easy to simply use _require_xfs_io_command() directly and just specify the command we want to check. It will also avoid the need to create helper every time we need to check a new command in xfs_io. Remove all the helpers and use _require_xfs_io_command() in the tests. Signed-off-by: Lukas Czerner --- common/defrag | 2 +- common/rc | 41 ----------------------------------------- tests/btrfs/026 | 2 +- tests/btrfs/027 | 2 +- tests/btrfs/028 | 2 +- tests/btrfs/047 | 2 +- tests/ext4/001 | 2 +- tests/ext4/002 | 2 +- tests/generic/009 | 2 +- tests/generic/012 | 8 ++++---- tests/generic/016 | 8 ++++---- tests/generic/017 | 4 ++-- tests/generic/021 | 8 ++++---- tests/generic/022 | 8 ++++---- tests/generic/213 | 2 +- tests/generic/214 | 2 +- tests/generic/223 | 2 +- tests/generic/228 | 2 +- tests/generic/255 | 6 +++--- tests/generic/256 | 2 +- tests/generic/274 | 2 +- tests/generic/300 | 4 ++-- tests/generic/311 | 2 +- tests/generic/312 | 2 +- tests/generic/316 | 4 ++-- tests/shared/298 | 2 +- tests/xfs/252 | 4 ++-- tests/xfs/290 | 2 +- 28 files changed, 45 insertions(+), 86 deletions(-) diff --git a/common/defrag b/common/defrag index a4bc976..732cd64 100644 --- a/common/defrag +++ b/common/defrag @@ -38,7 +38,7 @@ _require_defrag() esac _require_command $DEFRAG_PROG - _require_xfs_io_fiemap + _require_xfs_io_command "fiemap" } _extent_count() diff --git a/common/rc b/common/rc index 07acbc5..5c13db5 100644 --- a/common/rc +++ b/common/rc @@ -1260,47 +1260,6 @@ _require_xfs_io_command() _notrun "xfs_io $command failed (old kernel/wrong fs?)" } -# check that xfs_io, kernel, and filesystem all support zero -_require_xfs_io_zero() -{ - _require_xfs_io_command "zero" -} - -# check that xfs_io, glibc, kernel, and filesystem all (!) support -# fallocate -# -_require_xfs_io_falloc() -{ - _require_xfs_io_command "falloc" -} - -# check that xfs_io, kernel and filesystem all support fallocate with hole -# punching -_require_xfs_io_falloc_punch() -{ - _require_xfs_io_command "fpunch" -} - -# check that xfs_io, kernel and filesystem all support fallocate with collapse -# range -_require_xfs_io_falloc_collapse() -{ - _require_xfs_io_command "fcollapse" -} - -# check that xfs_io, kernel, and filesystem all support fallocate with zero -# range -_require_xfs_io_falloc_zero() -{ - _require_xfs_io_command "fzero" -} - -# check that xfs_io, kernel and filesystem support fiemap -_require_xfs_io_fiemap() -{ - _require_xfs_io_command "fiemap" -} - # Check that a fs has enough free space (in 1024b blocks) # _require_fs_space() diff --git a/tests/btrfs/026 b/tests/btrfs/026 index 6c54590..c2ac561 100644 --- a/tests/btrfs/026 +++ b/tests/btrfs/026 @@ -48,7 +48,7 @@ _cleanup() _supported_fs btrfs _supported_os Linux -_require_xfs_io_fiemap +_require_xfs_io_command "fiemap" _require_cp_reflink TESTDIR1=$TEST_DIR/test-$seq diff --git a/tests/btrfs/027 b/tests/btrfs/027 index b2dff1c..d615efd 100644 --- a/tests/btrfs/027 +++ b/tests/btrfs/027 @@ -48,7 +48,7 @@ _cleanup() _supported_fs btrfs _supported_os Linux -_require_xfs_io_fiemap +_require_xfs_io_command "fiemap" _require_cp_reflink TESTDIR1=$TEST_DIR/test-$seq diff --git a/tests/btrfs/028 b/tests/btrfs/028 index f17f102..50cffd3 100644 --- a/tests/btrfs/028 +++ b/tests/btrfs/028 @@ -46,7 +46,7 @@ _cleanup() _supported_fs btrfs _supported_os Linux -_require_xfs_io_fiemap +_require_xfs_io_command "fiemap" _require_cp_reflink rm -f $seqres.full diff --git a/tests/btrfs/047 b/tests/btrfs/047 index cc1936d..2dc6499 100755 --- a/tests/btrfs/047 +++ b/tests/btrfs/047 @@ -59,7 +59,7 @@ _supported_fs btrfs _supported_os Linux _require_scratch _require_fssum -_require_xfs_io_fiemap +_require_xfs_io_command "fiemap" _require_btrfs_send_stream_version _need_to_be_root diff --git a/tests/ext4/001 b/tests/ext4/001 index 8239f0e..827d806 100755 --- a/tests/ext4/001 +++ b/tests/ext4/001 @@ -45,7 +45,7 @@ trap "_cleanup ; exit \$status" 0 1 2 3 15 # real QA test starts here _supported_fs ext4 _supported_os Linux -_require_xfs_io_falloc_zero +_require_xfs_io_command "fzero" testfile=$TEST_DIR/001.$$ diff --git a/tests/ext4/002 b/tests/ext4/002 index 12be253..8cb3fd1 100755 --- a/tests/ext4/002 +++ b/tests/ext4/002 @@ -119,7 +119,7 @@ _check_ext4_eof_flag() # Prerequisites for the test run. _supported_fs ext4 _supported_os Linux -_require_xfs_io_falloc +_require_xfs_io_command "falloc" # Real QA test starts here. rm -f $seqres.full diff --git a/tests/generic/009 b/tests/generic/009 index b4d3e4b..65abe3c 100644 --- a/tests/generic/009 +++ b/tests/generic/009 @@ -44,7 +44,7 @@ trap "_cleanup ; exit \$status" 0 1 2 3 15 # real QA test starts here _supported_os Linux -_require_xfs_io_falloc_zero +_require_xfs_io_command "fzero" testfile=$TEST_DIR/009.$$ diff --git a/tests/generic/012 b/tests/generic/012 index e689299..730625b 100755 --- a/tests/generic/012 +++ b/tests/generic/012 @@ -51,10 +51,10 @@ trap "_cleanup ; exit \$status" 0 1 2 3 15 _supported_fs generic _supported_os Linux -_require_xfs_io_falloc_punch -_require_xfs_io_falloc -_require_xfs_io_fiemap -_require_xfs_io_falloc_collapse +_require_xfs_io_command "fpunch" +_require_xfs_io_command "falloc" +_require_xfs_io_command "fiemap" +_require_xfs_io_command "fcollapse" testfile=$TEST_DIR/$seq.$$ diff --git a/tests/generic/016 b/tests/generic/016 index 13a4488..15a2551 100755 --- a/tests/generic/016 +++ b/tests/generic/016 @@ -51,10 +51,10 @@ trap "_cleanup ; exit \$status" 0 1 2 3 15 _supported_fs generic _supported_os Linux -_require_xfs_io_falloc_punch -_require_xfs_io_falloc -_require_xfs_io_fiemap -_require_xfs_io_falloc_collapse +_require_xfs_io_command "fpunch" +_require_xfs_io_command "falloc" +_require_xfs_io_command "fiemap" +_require_xfs_io_command "fcollapse" testfile=$TEST_DIR/$seq.$$ diff --git a/tests/generic/017 b/tests/generic/017 index 93a4045..13b7254 100755 --- a/tests/generic/017 +++ b/tests/generic/017 @@ -43,8 +43,8 @@ _supported_fs generic _supported_os Linux _require_scratch -_require_xfs_io_fiemap -_require_xfs_io_falloc_collapse +_require_xfs_io_command "fiemap" +_require_xfs_io_command "fcollapse" _do_die_on_error=y testfile=$SCRATCH_MNT/$seq.$$ BLOCKS=10240 diff --git a/tests/generic/021 b/tests/generic/021 index 7f3753a..eb88e01 100755 --- a/tests/generic/021 +++ b/tests/generic/021 @@ -51,10 +51,10 @@ trap "_cleanup ; exit \$status" 0 1 2 3 15 _supported_fs generic _supported_os Linux -_require_xfs_io_falloc_punch -_require_xfs_io_falloc -_require_xfs_io_fiemap -_require_xfs_io_falloc_collapse +_require_xfs_io_command "fpunch" +_require_xfs_io_command "falloc" +_require_xfs_io_command "fiemap" +_require_xfs_io_command "fcollapse" testfile=$TEST_DIR/$seq.$$ diff --git a/tests/generic/022 b/tests/generic/022 index 55e7206..55bf8c5 100755 --- a/tests/generic/022 +++ b/tests/generic/022 @@ -51,10 +51,10 @@ trap "_cleanup ; exit \$status" 0 1 2 3 15 _supported_fs generic _supported_os Linux -_require_xfs_io_falloc_punch -_require_xfs_io_falloc -_require_xfs_io_fiemap -_require_xfs_io_falloc_collapse +_require_xfs_io_command "fpunch" +_require_xfs_io_command "falloc" +_require_xfs_io_command "fiemap" +_require_xfs_io_command "fcollapse" testfile=$TEST_DIR/$seq.$$ diff --git a/tests/generic/213 b/tests/generic/213 index 3c8a304..c99520f 100755 --- a/tests/generic/213 +++ b/tests/generic/213 @@ -54,7 +54,7 @@ _supported_os Linux rm -f $seqres.full -_require_xfs_io_falloc +_require_xfs_io_command "falloc" # check there's enough freespace on $TEST_DIR ... (1GiB + 1MiB) avail=`df -P $TEST_DIR | awk 'END {print $4}'` diff --git a/tests/generic/214 b/tests/generic/214 index 1885534..444c1fe 100755 --- a/tests/generic/214 +++ b/tests/generic/214 @@ -53,7 +53,7 @@ _supported_os Linux rm -f $seqres.full rm -f $TEST_DIR/ouch* -_require_xfs_io_falloc +_require_xfs_io_command "falloc" # Ok, off we go. diff --git a/tests/generic/223 b/tests/generic/223 index 7b0e584..a67b8d5 100755 --- a/tests/generic/223 +++ b/tests/generic/223 @@ -46,7 +46,7 @@ _supported_fs generic _supported_os Linux _require_scratch -_require_xfs_io_falloc +_require_xfs_io_command "falloc" rm -f $seqres.full diff --git a/tests/generic/228 b/tests/generic/228 index 03d4491..7ac0872 100755 --- a/tests/generic/228 +++ b/tests/generic/228 @@ -53,7 +53,7 @@ _supported_os Linux rm -f $seqres.full # Sanity check to see if fallocate works -_require_xfs_io_falloc +_require_xfs_io_command "falloc" # Check if we have good enough space available avail=`df -P $TEST_DIR | awk 'END {print $4}'` diff --git a/tests/generic/255 b/tests/generic/255 index dd329b4..8419065 100755 --- a/tests/generic/255 +++ b/tests/generic/255 @@ -46,9 +46,9 @@ trap "_cleanup ; exit \$status" 0 1 2 3 15 _supported_fs generic _supported_os Linux -_require_xfs_io_falloc_punch -_require_xfs_io_falloc -_require_xfs_io_fiemap +_require_xfs_io_command "fpunch" +_require_xfs_io_command "falloc" +_require_xfs_io_command "fiemap" testfile=$TEST_DIR/255.$$ diff --git a/tests/generic/256 b/tests/generic/256 index cfe7237..e6cc7dc 100755 --- a/tests/generic/256 +++ b/tests/generic/256 @@ -46,7 +46,7 @@ trap "_cleanup ; exit \$status" 0 1 2 3 15 _supported_fs generic _supported_os Linux -_require_xfs_io_falloc_punch +_require_xfs_io_command "fpunch" _require_scratch _require_user diff --git a/tests/generic/274 b/tests/generic/274 index 7c4887f..2d8d496 100755 --- a/tests/generic/274 +++ b/tests/generic/274 @@ -48,7 +48,7 @@ _cleanup() _supported_fs generic _supported_os IRIX Linux _require_scratch -_require_xfs_io_falloc +_require_xfs_io_command "falloc" echo "------------------------------" echo "preallocation test" diff --git a/tests/generic/300 b/tests/generic/300 index 4e07f8a..01d4600 100755 --- a/tests/generic/300 +++ b/tests/generic/300 @@ -46,8 +46,8 @@ _require_scratch # xfs_io is not required for this test, but it's the best way to verify # the test system supports fallocate() for allocation and hole punching -_require_xfs_io_falloc -_require_xfs_io_falloc_punch +_require_xfs_io_command "falloc" +_require_xfs_io_command "fpunch" rm -f $seqres.full diff --git a/tests/generic/311 b/tests/generic/311 index 284b59d..e389049 100755 --- a/tests/generic/311 +++ b/tests/generic/311 @@ -59,7 +59,7 @@ _require_dm_flakey # xfs_io is not required for this test, but it's the best way to verify # the test system supports fallocate() for allocation -_require_xfs_io_falloc +_require_xfs_io_command "falloc" [ -x $here/src/fsync-tester ] || _notrun "fsync-tester not built" diff --git a/tests/generic/312 b/tests/generic/312 index eaec43c..1ed4962 100755 --- a/tests/generic/312 +++ b/tests/generic/312 @@ -46,7 +46,7 @@ _cleanup() # real QA test starts here _supported_fs generic _supported_os Linux -_require_xfs_io_falloc +_require_xfs_io_command "falloc" _require_scratch # 5G in byte diff --git a/tests/generic/316 b/tests/generic/316 index 8cb2975..29a4331 100755 --- a/tests/generic/316 +++ b/tests/generic/316 @@ -45,8 +45,8 @@ _cleanup() _supported_fs generic _supported_os Linux -_require_xfs_io_falloc_punch -_require_xfs_io_fiemap +_require_xfs_io_command "fpunch" +_require_xfs_io_command "fiemap" testfile=$TEST_DIR/$seq.$$ diff --git a/tests/shared/298 b/tests/shared/298 index 6b5402c..f13c14b 100755 --- a/tests/shared/298 +++ b/tests/shared/298 @@ -33,7 +33,7 @@ trap "_cleanup; exit \$status" 0 1 2 3 15 _supported_fs ext4 xfs _supported_os Linux _require_fstrim -_require_xfs_io_fiemap +_require_xfs_io_command "fiemap" _require_fs_space $TEST_DIR 307200 [ "$FSTYP" = "ext4" ] && _require_dumpe2fs diff --git a/tests/xfs/252 b/tests/xfs/252 index 00be41a..b2c4c08 100755 --- a/tests/xfs/252 +++ b/tests/xfs/252 @@ -46,8 +46,8 @@ trap "_cleanup ; exit \$status" 0 1 2 3 15 _supported_fs xfs _supported_os Linux -_require_xfs_io_falloc_punch -_require_xfs_io_fiemap +_require_xfs_io_command "fpunch" +_require_xfs_io_command "fiemap" testfile=$TEST_DIR/252.$$ diff --git a/tests/xfs/290 b/tests/xfs/290 index cbe7108..55322ec 100755 --- a/tests/xfs/290 +++ b/tests/xfs/290 @@ -46,7 +46,7 @@ trap "exit \$status" 0 1 2 3 15 _supported_fs xfs _supported_os Linux -_require_xfs_io_zero +_require_xfs_io_command "zero" testfile=$TEST_DIR/290.$$ -- 1.8.3.1 From sandeen@sandeen.net Thu Apr 24 11:55:44 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 330847F52 for ; Thu, 24 Apr 2014 11:55:44 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id 1AE42304043 for ; Thu, 24 Apr 2014 09:55:43 -0700 (PDT) X-ASG-Debug-ID: 1398358542-04cbb04b934a920001-NocioJ Received: from sandeen.net (sandeen.net [63.231.237.45]) by cuda.sgi.com with ESMTP id DHXhQVBqqpoWEHZP for ; Thu, 24 Apr 2014 09:55:42 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@sandeen.net X-Barracuda-Apparent-Source-IP: 63.231.237.45 Received: from liberator.sandeen.net (liberator.sandeen.net [10.0.0.4]) (using TLSv1 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (No client certificate requested) by sandeen.net (Postfix) with ESMTPSA id 2259D63C5FF1; Thu, 24 Apr 2014 11:55:42 -0500 (CDT) Message-ID: <5359420F.3020406@sandeen.net> Date: Thu, 24 Apr 2014 11:55:43 -0500 From: Eric Sandeen User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:24.0) Gecko/20100101 Thunderbird/24.4.0 MIME-Version: 1.0 To: Lukas Czerner , xfs@oss.sgi.com Subject: Re: [PATCH] xfstests: Use _require_xfs_io_command() instead of helpers References: <1398355303-29348-1-git-send-email-lczerner@redhat.com> X-ASG-Orig-Subj: Re: [PATCH] xfstests: Use _require_xfs_io_command() instead of helpers In-Reply-To: <1398355303-29348-1-git-send-email-lczerner@redhat.com> X-Enigmail-Version: 1.6 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Barracuda-Connect: sandeen.net[63.231.237.45] X-Barracuda-Start-Time: 1398358542 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5219 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On 4/24/14, 11:01 AM, Lukas Czerner wrote: > Number of helpers for checking xfs_io functionality is slowly growing. > But it's as easy to simply use _require_xfs_io_command() directly and > just specify the command we want to check. It will also avoid the need > to create helper every time we need to check a new command in xfs_io. > > Remove all the helpers and use _require_xfs_io_command() in the tests. > > Signed-off-by: Lukas Czerner I like it. Reviewed-by: Eric Sandeen From tinguely@sgi.com Thu Apr 24 12:11:59 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=RP_MATCHES_RCVD autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 301E17F53 for ; Thu, 24 Apr 2014 12:11:59 -0500 (CDT) Received: from eagdhcp-232-128.americas.sgi.com (eagdhcp-232-128.americas.sgi.com [128.162.232.128]) by relay2.corp.sgi.com (Postfix) with ESMTP id 03AA3304048; Thu, 24 Apr 2014 10:11:55 -0700 (PDT) Message-ID: <535945DC.6010108@sgi.com> Date: Thu, 24 Apr 2014 12:11:56 -0500 From: Mark Tinguely User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:9.0) Gecko/20120122 Thunderbird/9.0 MIME-Version: 1.0 To: Dave Chinner CC: XFS Mailing List Subject: Re: [RFC] libxfs: adding attribute fork frees xfs_inode ptr References: <20140423210034.892939354@sgi.com> <20140423210445.700477624@sgi.com> <20140423222215.GT18672@dastard> In-Reply-To: <20140423222215.GT18672@dastard> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit On 04/23/14 17:22, Dave Chinner wrote: > On Wed, Apr 23, 2014 at 04:04:35PM -0500, Mark Tinguely wrote: >> User space does not currently perform any attribute adding/deleting, >> but if we do want to fix attributes or use them for parent inode >> pointers, user space should support attributes. >> >> The adding an attribute fork is done in an embedded transaction >> inside xfs_attr_set_int(). The xfs_trans_commit in xfs_bmap_add_attrfork() >> will free the xfs_inode pointer causing xfs_attr_calc_size() in >> xfs_attr_set_int() to fail. > > It shouldn't. xfs_bmap_add_attrfork() does: > > xfs_trans_ijoin(tp, ip, XFS_ILOCK_EXCL); > > which in the kernel code sets: > > iip->ili_lock_flags = lock_flags; > > > The libxfs code doesn't do that, so when xfs_trans_commit() gets > to inode_item_unlock(): > > > if (!iip->ili_lock_flags) > libxfs_iput(ip, 0); > else > iip->ili_lock_flags = 0; > > It frees the inode rather than just returning it with the lock > flags cleared. > > Note that libxfs still has libxfs_trans_ijoin_ref() which sets the > lock flags, but this has been removed from the kernel code. IOWs, > this is a libxfs/trans.c::xfs_trans_ijoin() bug, not something that > needs fixing in the shared kernel/user libxfs code. > > Cheers, > > Dave. nod. That is the correct thing to do. Since the shared user/kernel code will no longer do a xfs_trans_ihold(), the libxfs_iput() should be factored out out of inode_item_unlock() and have the creator release the inode pointer when it is appropriate. No one besides me is using this so it can go into the next release of xfs_progs. --Mark. From sandeen@redhat.com Thu Apr 24 14:13:38 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 8FD677F52 for ; Thu, 24 Apr 2014 14:13:38 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id 415D18F8040 for ; Thu, 24 Apr 2014 12:13:35 -0700 (PDT) X-ASG-Debug-ID: 1398366813-04bdf05c74597c0001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id 6xISJferKAGAx7Bb for ; Thu, 24 Apr 2014 12:13:34 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx14.intmail.prod.int.phx2.redhat.com (int-mx14.intmail.prod.int.phx2.redhat.com [10.5.11.27]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3OJDVoO014135 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 24 Apr 2014 15:13:33 -0400 Received: from liberator.sandeen.net (ovpn01.gateway.prod.ext.phx2.redhat.com [10.5.9.1]) by int-mx14.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s3OJDTE7026118 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES128-SHA bits=128 verify=NO); Thu, 24 Apr 2014 15:13:30 -0400 Message-ID: <5359625B.3090001@redhat.com> Date: Thu, 24 Apr 2014 14:13:31 -0500 From: Eric Sandeen User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:24.0) Gecko/20100101 Thunderbird/24.4.0 MIME-Version: 1.0 To: xfs-oss CC: Miklos Szeredi Subject: [PATCH] xfstests: test pipe resizing X-Enigmail-Version: 1.6 X-ASG-Orig-Subj: [PATCH] xfstests: test pipe resizing Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Scanned-By: MIMEDefang 2.68 on 10.5.11.27 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1398366813 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Barracuda-BRTS-Status: 1 X-Virus-Scanned: by bsmtpd at sgi.com Add a simple test to exercise the pipe resize fcntls, F_SETPIPE_SZ and F_GETPIPE_SZ. This doesn't do a whole lot, but does some pipe reading and writing, some pipe resizing and checking, validates that we get EBUSY if we try to resize below the current size of buffers in the pipe, that the minimum is limited to PAGE_SIZE, etc. The piperesize.c is based on an old test written by Miklos which used to be at http://www.kernel.org/pub/linux/kernel/people/mszeredi/piperesize/piperesize.c Signed-off-by: Eric Sandeen Cc: Miklos Szeredi --- diff --git a/src/Makefile b/src/Makefile index d754048..7f403d8 100644 --- a/src/Makefile +++ b/src/Makefile @@ -19,7 +19,7 @@ LINUX_TARGETS = xfsctl bstat t_mtab getdevicesize preallo_rw_pattern_reader \ bulkstat_unlink_test_modified t_dir_offset t_futimens t_immutable \ stale_handle pwrite_mmap_blocked t_dir_offset2 seek_sanity_test \ seek_copy_test t_readdir_1 t_readdir_2 fsync-tester nsexec cloner \ - renameat2 + renameat2 piperesize SUBDIRS = diff --git a/src/piperesize.c b/src/piperesize.c new file mode 100644 index 0000000..f292db1 --- /dev/null +++ b/src/piperesize.c @@ -0,0 +1,133 @@ +#include +#include +#include +#include +#include +#include + +#ifndef F_LINUX_SPECIFIC_BASE +#define F_LINUX_SPECIFIC_BASE 1024 +#endif +#ifndef F_SETPIPE_SZ +#define F_SETPIPE_SZ (F_LINUX_SPECIFIC_BASE + 7) +#endif +#ifndef F_GETPIPE_SZ +#define F_GETPIPE_SZ (F_LINUX_SPECIFIC_BASE + 8) +#endif + +#define WRITE_PIPE 1 +#define READ_PIPE 2 + +#define NONFATAL 0 +#define FATAL 1 + +int i; +int outstanding; +int pip[2]; + +void writeread_pipe(int count, int flags) +{ + int res = 0; + char buf[4096]; + + if (!flags) + return; + + for (; i < count; i++) { + printf("Iter %d - ", i); + if (flags & WRITE_PIPE) { + sprintf(buf, "buffer #%i", i); + res = write(pip[1], buf, sizeof(buf)); + if (res == -1) + err(1, "write"); + printf("Wrote: %s ", buf); + outstanding++; + } + + if (flags & READ_PIPE) { + res = read(pip[0], buf, sizeof(buf)); + if (res == -1) + err(1, "read"); + printf("Read: %s ", buf); + outstanding--; + } + printf("\n"); + } + printf("%d buffers left in pipe\n", outstanding); + +} + +void resize_pipe(int size, int fatal) +{ + int res; + long page_size = sysconf(_SC_PAGESIZE); + + printf("Attempting to resize pipe to %d\n", size); + res = fcntl(pip[0], F_SETPIPE_SZ, size); + if (res == -1) { + if (fatal || (errno != EBUSY)) + err(1, "F_SETPIPE_SZ"); + else if (errno) + printf("F_SETPIPE_SZ: %s\n", strerror(errno)); + } + + res = fcntl(pip[1], F_GETPIPE_SZ); + if (res == -1) + err(1, "F_GETPIPE_SZ"); + + /* if we try to go below system page size, it's limited to that */ + if (size < page_size && res == page_size) + printf("now pipe size is: PAGE_SIZE\n"); + else + printf("now pipe size is: %i\n", res); + + if (fatal) { + if (res != (size < page_size ? page_size : size)) + err(1, "Resize failed"); + } +} + +int main(void) +{ + int res; + + res = pipe(pip); + if (res == -1) + err(1, "pipe"); + + /* + * Write 7 x 4k buffers to the pipe; these linger + */ + writeread_pipe(7, WRITE_PIPE); + + /* + * Do a handful of new writes followed by reads + */ + writeread_pipe(21, WRITE_PIPE|READ_PIPE); + + /* Resize pipe to 8k; should fail EBUSY & print that */ + resize_pipe(8192, NONFATAL); + + /* Resize pipe to 128k */ + resize_pipe(131072, FATAL); + + /* A bunch more writes & reads */ + writeread_pipe(70, WRITE_PIPE|READ_PIPE); + + /* resize pipe back down to 32k */ + resize_pipe(32768, FATAL); + + /* even more writes & reads */ + writeread_pipe(100, WRITE_PIPE|READ_PIPE); + + /* empty the pipe */ + writeread_pipe(107, READ_PIPE); + + /* resizing pipe to 0 should be limited to 4k (?) */ + resize_pipe(0, FATAL); + + close(pip[0]); + close(pip[1]); + return 0; +} + diff --git a/tests/generic/026 b/tests/generic/026 new file mode 100755 index 0000000..4f462a8 --- /dev/null +++ b/tests/generic/026 @@ -0,0 +1,55 @@ +#! /bin/bash +# FS QA Test No. 026 +# +# Test pipe resizing +# +#----------------------------------------------------------------------- +# Copyright (c) 2014 Red Hat, Inc. All Rights Reserved. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it would be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write the Free Software Foundation, +# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +# +#----------------------------------------------------------------------- +# + +seq=`basename $0` +seqres=$RESULT_DIR/$seq +echo "QA output created by $seq" + +# get standard environment, filters and checks +. ./common/rc +. ./common/filter + +tmp=/tmp/$$ +here=`pwd` +status=1 +done_cleanup=false +trap "_cleanup; rm -f $tmp.*; exit \$status" 0 1 2 3 15 + +_cleanup() +{ + cd / + rm -f $tmp.* +} + +# real QA test starts here +_supported_fs generic +_supported_os Linux + +test -f /proc/sys/fs/pipe-max-size || _notrun "Dynamic pipe resizing unsupported" + +[ -x $here/src/piperesize ] || _notrun "piperesize not built" +$here/src/piperesize + +status=0 +exit diff --git a/tests/generic/026.out b/tests/generic/026.out new file mode 100755 index 0000000..e2a9a33 --- /dev/null +++ b/tests/generic/026.out @@ -0,0 +1,122 @@ +QA output created by 026 +Iter 0 - Wrote: buffer #0 +Iter 1 - Wrote: buffer #1 +Iter 2 - Wrote: buffer #2 +Iter 3 - Wrote: buffer #3 +Iter 4 - Wrote: buffer #4 +Iter 5 - Wrote: buffer #5 +Iter 6 - Wrote: buffer #6 +7 buffers left in pipe +Iter 7 - Wrote: buffer #7 Read: buffer #0 +Iter 8 - Wrote: buffer #8 Read: buffer #1 +Iter 9 - Wrote: buffer #9 Read: buffer #2 +Iter 10 - Wrote: buffer #10 Read: buffer #3 +Iter 11 - Wrote: buffer #11 Read: buffer #4 +Iter 12 - Wrote: buffer #12 Read: buffer #5 +Iter 13 - Wrote: buffer #13 Read: buffer #6 +Iter 14 - Wrote: buffer #14 Read: buffer #7 +Iter 15 - Wrote: buffer #15 Read: buffer #8 +Iter 16 - Wrote: buffer #16 Read: buffer #9 +Iter 17 - Wrote: buffer #17 Read: buffer #10 +Iter 18 - Wrote: buffer #18 Read: buffer #11 +Iter 19 - Wrote: buffer #19 Read: buffer #12 +Iter 20 - Wrote: buffer #20 Read: buffer #13 +7 buffers left in pipe +Attempting to resize pipe to 8192 +F_SETPIPE_SZ: Device or resource busy +now pipe size is: 65536 +Attempting to resize pipe to 131072 +now pipe size is: 131072 +Iter 21 - Wrote: buffer #21 Read: buffer #14 +Iter 22 - Wrote: buffer #22 Read: buffer #15 +Iter 23 - Wrote: buffer #23 Read: buffer #16 +Iter 24 - Wrote: buffer #24 Read: buffer #17 +Iter 25 - Wrote: buffer #25 Read: buffer #18 +Iter 26 - Wrote: buffer #26 Read: buffer #19 +Iter 27 - Wrote: buffer #27 Read: buffer #20 +Iter 28 - Wrote: buffer #28 Read: buffer #21 +Iter 29 - Wrote: buffer #29 Read: buffer #22 +Iter 30 - Wrote: buffer #30 Read: buffer #23 +Iter 31 - Wrote: buffer #31 Read: buffer #24 +Iter 32 - Wrote: buffer #32 Read: buffer #25 +Iter 33 - Wrote: buffer #33 Read: buffer #26 +Iter 34 - Wrote: buffer #34 Read: buffer #27 +Iter 35 - Wrote: buffer #35 Read: buffer #28 +Iter 36 - Wrote: buffer #36 Read: buffer #29 +Iter 37 - Wrote: buffer #37 Read: buffer #30 +Iter 38 - Wrote: buffer #38 Read: buffer #31 +Iter 39 - Wrote: buffer #39 Read: buffer #32 +Iter 40 - Wrote: buffer #40 Read: buffer #33 +Iter 41 - Wrote: buffer #41 Read: buffer #34 +Iter 42 - Wrote: buffer #42 Read: buffer #35 +Iter 43 - Wrote: buffer #43 Read: buffer #36 +Iter 44 - Wrote: buffer #44 Read: buffer #37 +Iter 45 - Wrote: buffer #45 Read: buffer #38 +Iter 46 - Wrote: buffer #46 Read: buffer #39 +Iter 47 - Wrote: buffer #47 Read: buffer #40 +Iter 48 - Wrote: buffer #48 Read: buffer #41 +Iter 49 - Wrote: buffer #49 Read: buffer #42 +Iter 50 - Wrote: buffer #50 Read: buffer #43 +Iter 51 - Wrote: buffer #51 Read: buffer #44 +Iter 52 - Wrote: buffer #52 Read: buffer #45 +Iter 53 - Wrote: buffer #53 Read: buffer #46 +Iter 54 - Wrote: buffer #54 Read: buffer #47 +Iter 55 - Wrote: buffer #55 Read: buffer #48 +Iter 56 - Wrote: buffer #56 Read: buffer #49 +Iter 57 - Wrote: buffer #57 Read: buffer #50 +Iter 58 - Wrote: buffer #58 Read: buffer #51 +Iter 59 - Wrote: buffer #59 Read: buffer #52 +Iter 60 - Wrote: buffer #60 Read: buffer #53 +Iter 61 - Wrote: buffer #61 Read: buffer #54 +Iter 62 - Wrote: buffer #62 Read: buffer #55 +Iter 63 - Wrote: buffer #63 Read: buffer #56 +Iter 64 - Wrote: buffer #64 Read: buffer #57 +Iter 65 - Wrote: buffer #65 Read: buffer #58 +Iter 66 - Wrote: buffer #66 Read: buffer #59 +Iter 67 - Wrote: buffer #67 Read: buffer #60 +Iter 68 - Wrote: buffer #68 Read: buffer #61 +Iter 69 - Wrote: buffer #69 Read: buffer #62 +7 buffers left in pipe +Attempting to resize pipe to 32768 +now pipe size is: 32768 +Iter 70 - Wrote: buffer #70 Read: buffer #63 +Iter 71 - Wrote: buffer #71 Read: buffer #64 +Iter 72 - Wrote: buffer #72 Read: buffer #65 +Iter 73 - Wrote: buffer #73 Read: buffer #66 +Iter 74 - Wrote: buffer #74 Read: buffer #67 +Iter 75 - Wrote: buffer #75 Read: buffer #68 +Iter 76 - Wrote: buffer #76 Read: buffer #69 +Iter 77 - Wrote: buffer #77 Read: buffer #70 +Iter 78 - Wrote: buffer #78 Read: buffer #71 +Iter 79 - Wrote: buffer #79 Read: buffer #72 +Iter 80 - Wrote: buffer #80 Read: buffer #73 +Iter 81 - Wrote: buffer #81 Read: buffer #74 +Iter 82 - Wrote: buffer #82 Read: buffer #75 +Iter 83 - Wrote: buffer #83 Read: buffer #76 +Iter 84 - Wrote: buffer #84 Read: buffer #77 +Iter 85 - Wrote: buffer #85 Read: buffer #78 +Iter 86 - Wrote: buffer #86 Read: buffer #79 +Iter 87 - Wrote: buffer #87 Read: buffer #80 +Iter 88 - Wrote: buffer #88 Read: buffer #81 +Iter 89 - Wrote: buffer #89 Read: buffer #82 +Iter 90 - Wrote: buffer #90 Read: buffer #83 +Iter 91 - Wrote: buffer #91 Read: buffer #84 +Iter 92 - Wrote: buffer #92 Read: buffer #85 +Iter 93 - Wrote: buffer #93 Read: buffer #86 +Iter 94 - Wrote: buffer #94 Read: buffer #87 +Iter 95 - Wrote: buffer #95 Read: buffer #88 +Iter 96 - Wrote: buffer #96 Read: buffer #89 +Iter 97 - Wrote: buffer #97 Read: buffer #90 +Iter 98 - Wrote: buffer #98 Read: buffer #91 +Iter 99 - Wrote: buffer #99 Read: buffer #92 +7 buffers left in pipe +Iter 100 - Read: buffer #93 +Iter 101 - Read: buffer #94 +Iter 102 - Read: buffer #95 +Iter 103 - Read: buffer #96 +Iter 104 - Read: buffer #97 +Iter 105 - Read: buffer #98 +Iter 106 - Read: buffer #99 +0 buffers left in pipe +Attempting to resize pipe to 0 +now pipe size is: PAGE_SIZE diff --git a/tests/generic/group b/tests/generic/group index 60d6066..a6eabbf 100644 --- a/tests/generic/group +++ b/tests/generic/group @@ -28,6 +28,7 @@ 023 auto quick 024 auto quick 025 auto quick +026 auto quick 053 acl repair auto quick 062 attr udf auto quick 068 other auto freeze dangerous stress From BATV+679c7f1dfbddab2d98a1+3896+infradead.org+hch@bombadil.srs.infradead.org Thu Apr 24 14:20:55 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 84CB07F52 for ; Thu, 24 Apr 2014 14:20:55 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 517E28F8040 for ; Thu, 24 Apr 2014 12:20:55 -0700 (PDT) X-ASG-Debug-ID: 1398367253-04cbb04b9057b10001-NocioJ Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) by cuda.sgi.com with ESMTP id gcYKKQDRPYS1eAw8 (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Thu, 24 Apr 2014 12:20:53 -0700 (PDT) X-Barracuda-Envelope-From: BATV+679c7f1dfbddab2d98a1+3896+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.80.1 #2 (Red Hat Linux)) id 1WdPCW-0001j3-Su; Thu, 24 Apr 2014 19:20:52 +0000 Date: Thu, 24 Apr 2014 12:20:52 -0700 From: Christoph Hellwig To: Eric Sandeen Cc: xfs-oss , Miklos Szeredi Subject: Re: [PATCH] xfstests: test pipe resizing Message-ID: <20140424192052.GA32696@infradead.org> X-ASG-Orig-Subj: Re: [PATCH] xfstests: test pipe resizing References: <5359625B.3090001@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <5359625B.3090001@redhat.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html X-Barracuda-Connect: bombadil.infradead.org[198.137.202.9] X-Barracuda-Start-Time: 1398367253 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5222 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Thu, Apr 24, 2014 at 02:13:31PM -0500, Eric Sandeen wrote: > Add a simple test to exercise the pipe resize fcntls, > F_SETPIPE_SZ and F_GETPIPE_SZ. > > This doesn't do a whole lot, but does some pipe reading > and writing, some pipe resizing and checking, validates > that we get EBUSY if we try to resize below the current > size of buffers in the pipe, that the minimum is limited > to PAGE_SIZE, etc. How is this a filesystem issue? I think this belongs into ltp. From tinguely@sgi.com Thu Apr 24 15:59:32 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=RP_MATCHES_RCVD autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 083087F52 for ; Thu, 24 Apr 2014 15:59:32 -0500 (CDT) Received: from eagdhcp-232-128.americas.sgi.com (eagdhcp-232-128.americas.sgi.com [128.162.232.128]) by relay1.corp.sgi.com (Postfix) with ESMTP id BAAB98F8035; Thu, 24 Apr 2014 13:59:31 -0700 (PDT) Message-ID: <53597B34.9050407@sgi.com> Date: Thu, 24 Apr 2014 15:59:32 -0500 From: Mark Tinguely User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:9.0) Gecko/20120122 Thunderbird/9.0 MIME-Version: 1.0 To: Dave Chinner CC: XFS Mailing List Subject: Re: [RFC] libxfs: adding attribute fork frees xfs_inode ptr References: <20140423210034.892939354@sgi.com> <20140423210445.700477624@sgi.com> <20140423222215.GT18672@dastard> <535945DC.6010108@sgi.com> In-Reply-To: <535945DC.6010108@sgi.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit On 04/24/14 12:11, Mark Tinguely wrote: > On 04/23/14 17:22, Dave Chinner wrote: >> On Wed, Apr 23, 2014 at 04:04:35PM -0500, Mark Tinguely wrote: ... Note that libxfs still has libxfs_trans_ijoin_ref() which sets the >> lock flags, but this has been removed from the kernel code. IOWs, >> this is a libxfs/trans.c::xfs_trans_ijoin() bug, not something that >> needs fixing in the shared kernel/user libxfs code. >> >> Cheers, >> >> Dave. > > nod. That is the correct thing to do. > > Since the shared user/kernel code will no longer do a xfs_trans_ihold(), > the libxfs_iput() should be factored out out of inode_item_unlock() and > have the creator release the inode pointer when it is appropriate. > > No one besides me is using this so it can go into the next release of > xfs_progs. > > --Mark. PS. I may not have been very clear, the libxfs_trans_roll() and inode_item_done() also cause a premature libxfs_iput(). Let me do more testing making any changes and target this for xfsprogs-3.2.1. --Mark. From keyurgovande@gmail.com Thu Apr 24 16:49:20 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=FREEMAIL_FROM,T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 526A87F52 for ; Thu, 24 Apr 2014 16:49:20 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id EFCEBAC009 for ; Thu, 24 Apr 2014 14:49:16 -0700 (PDT) X-ASG-Debug-ID: 1398376154-04bdf05c7464780001-NocioJ Received: from mail-we0-f174.google.com (mail-we0-f174.google.com [74.125.82.174]) by cuda.sgi.com with ESMTP id 3AOFRfZP9rkRaq5q (version=TLSv1 cipher=RC4-SHA bits=128 verify=NO) for ; Thu, 24 Apr 2014 14:49:15 -0700 (PDT) X-Barracuda-Envelope-From: keyurgovande@gmail.com X-Barracuda-Apparent-Source-IP: 74.125.82.174 Received: by mail-we0-f174.google.com with SMTP id w62so1578697wes.19 for ; Thu, 24 Apr 2014 14:49:14 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=MqBOoX53J+UlHGfir0l7MJjNfKwGkizv2+4cWUX27Js=; b=xNj5TxusCwovahPHTHGYHh1zdoBPOCjfqg1CcOXocnLp/LX/qk1fCMnI2s3CTLG0t3 GkiaXqeGmiYawpmQVOyQl4Xg9H9heoNDDF8VGAUzR+63CVawJmbazwRHTqslyNVvVThM xaOREFdIPJ9Idd8SWsA+PvNuun94YNn8yjqSTXzPAXo9pGd0+68/0M1vyIbWU5TRottR yDQC2dsHsGdDGCTAQ7ORbcgf1SXPvEEU6Tvb0U90Qw26uCYIMUu4S4XUuOcfTL3KxEco jcDlqa7fJGlZv1JWFiusKE5LAJEpob8FuUFiYOFW7EGxvIpjwf2rLHPhf8lol2UT1tgu Kftg== MIME-Version: 1.0 X-Received: by 10.194.9.36 with SMTP id w4mr17302wja.79.1398376154123; Thu, 24 Apr 2014 14:49:14 -0700 (PDT) Received: by 10.227.97.136 with HTTP; Thu, 24 Apr 2014 14:49:14 -0700 (PDT) In-Reply-To: References: <20140408015012.GB22917@dastard> <20140408053117.GJ27017@dastard> Date: Thu, 24 Apr 2014 17:49:14 -0400 Message-ID: Subject: Re: XFS fragmentation on file append From: Keyur Govande X-ASG-Orig-Subj: Re: XFS fragmentation on file append To: Stefan Ring Cc: linux-fsdevel@vger.kernel.org, Linux fs XFS Content-Type: text/plain; charset=UTF-8 X-Barracuda-Connect: mail-we0-f174.google.com[74.125.82.174] X-Barracuda-Start-Time: 1398376155 X-Barracuda-Encrypted: RC4-SHA X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.01 X-Barracuda-Spam-Status: No, SCORE=0.01 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_SA_TO_FROM_DOMAIN_MATCH, DKIM_SIGNED, DKIM_VERIFIED X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5224 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- -0.00 DKIM_VERIFIED Domain Keys Identified Mail: signature passes verification 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature 0.01 BSF_SC0_SA_TO_FROM_DOMAIN_MATCH Sender Domain Matches Recipient Domain On Thu, Apr 24, 2014 at 2:54 AM, Stefan Ring wrote: > I've become interested in this topic, as I'm also running MySQL with > O_DIRECT and innodb_file_per_table. Out of curiosity, I immediately > ran xfs_bmap on a moderately sized table space (34GB). It listed > around 30000 fragments, on average one for every MB. > > I want to report what happened then: A flurry of activity started on > both disks (root/swap lives on one of them, the data volume containing > the MySQL files on another) and lasted for about two minutes. > Afterwards, all memory previously allocated to the file cache has > become free, and also everything XFS seems to keep buffered internally > (I think it's called SReclaimable) was released. Swap usage increased > only slightly. dmesg was silent during that time. > > This is a 2.6.32-358.2.1.el6.x86_64 kernel with xfsprogs 3.1.1 (CentOS > 6.4). The machine has 64GB of RAM (2 NUMA nodes) and 24 (virtual) > cores. Is this known behavior of xfs_bmap? Interesting...it looks like your box flushed all of the OS buffer cache. I am unable to reproduce this behavior on my test box with the 3.10.37 kernel. I also tried with 2.6.32-358.18.1.el6.x86_64 and didn't hit the issue, but obviously our access patterns differ wildly. From felipemonteiro.carvalho@gmail.com Thu Apr 24 17:09:13 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=FREEMAIL_FROM,T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 4EA8D7F52 for ; Thu, 24 Apr 2014 17:09:13 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 1D0B08F8052 for ; Thu, 24 Apr 2014 15:09:10 -0700 (PDT) X-ASG-Debug-ID: 1398377348-04cb6c2b7a65200001-NocioJ Received: from mail-qa0-f43.google.com (mail-qa0-f43.google.com [209.85.216.43]) by cuda.sgi.com with ESMTP id QUaMKiMAleSG3MP7 (version=TLSv1 cipher=RC4-SHA bits=128 verify=NO) for ; Thu, 24 Apr 2014 15:09:09 -0700 (PDT) X-Barracuda-Envelope-From: felipemonteiro.carvalho@gmail.com X-Barracuda-Apparent-Source-IP: 209.85.216.43 X-Barracuda-IPDD: Level1 [gmail.com/209.85.216.43] Received: by mail-qa0-f43.google.com with SMTP id ih12so1037930qab.30 for ; Thu, 24 Apr 2014 15:09:08 -0700 (PDT) X-Barracuda-IPDD: Level1 [gmail.com/209.85.216.43] X-Barracuda-IPDD: Level1 [gmail.com/209.85.216.43] DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:date:message-id:subject:from:to:content-type; bh=v3mclePX4YW9daqsYEKq/SbM/uk6r+/T4b6Cix0lTQY=; b=F+Caxw+yYmH4vWc5oU7uHP92bgwXteZ2ZhSzRVa5ruJZQu4dEYd3K/daLKnspMK60v PG3SjreO7i9AMujWW4BPTVt2eU9foA4hLU49LiZF7H3wtXihiafXlMYyH0zsDCuUcTO7 05RH8omrJJrY/Gv5uUkbrCCXmyWhB2r6cRvYo5csKm54zj/T7Y43Hm8PrO0EbH74rdVe +E8VQ6WATf8OAPqy+EOhqcJzbc6LKySxEJ+b/XAFqrK+v6QeDXKYYfNp5joJxvABCKGU TWIIWzJSrbIwxfdjHSkZRWNomyC5rZoUNT47yh2uySylC6FzhMeBoDib+3i1bM41zngr EhPQ== MIME-Version: 1.0 X-Received: by 10.229.65.138 with SMTP id j10mr6787567qci.10.1398377348456; Thu, 24 Apr 2014 15:09:08 -0700 (PDT) Received: by 10.140.84.203 with HTTP; Thu, 24 Apr 2014 15:09:08 -0700 (PDT) Date: Thu, 24 Apr 2014 19:09:08 -0300 Message-ID: Subject: How to find the inodes in XFS From: Felipe Monteiro de Carvalho X-ASG-Orig-Subj: How to find the inodes in XFS To: xfs@oss.sgi.com Content-Type: text/plain; charset=UTF-8 X-Barracuda-Connect: mail-qa0-f43.google.com[209.85.216.43] X-Barracuda-Start-Time: 1398377349 X-Barracuda-Encrypted: RC4-SHA X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-BRTS-Evidence: dubeyko.com X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=DKIM_SIGNED, DKIM_VERIFIED X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5224 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- -0.00 DKIM_VERIFIED Domain Keys Identified Mail: signature passes verification 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature Hello, I am writing an application which reads XFS partitions, so I am trying to understand the internal working of XFS. I read the documentation here: http://www.dubeyko.com/development/FileSystems/XFS/xfs_filesystem_structure.pdf But I am stuck at a particular point. To get to the inodes I see that I should first read xfs_agi_t, no problem here, then its root field points to a block which contains xfs_inobt_block_t + a sequence of xfs_inobt_rec_t records and those records are supposed to show me where the inodes are, but there is no field in xfs_inobt_rec_t such as a block number =( Any idea how to get then the physical position in the disk where the inodes are from xfs_inobt_block_t + a sequence of xfs_inobt_rec_t? thanks, -- Felipe Monteiro de Carvalho From sandeen@sandeen.net Thu Apr 24 17:33:17 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id D47C77F52 for ; Thu, 24 Apr 2014 17:33:17 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id 6D49DAC007 for ; Thu, 24 Apr 2014 15:33:14 -0700 (PDT) X-ASG-Debug-ID: 1398378792-04bdf05c7566c80001-NocioJ Received: from sandeen.net (sandeen.net [63.231.237.45]) by cuda.sgi.com with ESMTP id r2B7mshIeiivP6yy for ; Thu, 24 Apr 2014 15:33:12 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@sandeen.net X-Barracuda-Apparent-Source-IP: 63.231.237.45 Received: from liberator.sandeen.net (liberator.sandeen.net [10.0.0.4]) (using TLSv1 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (No client certificate requested) by sandeen.net (Postfix) with ESMTPSA id 3D60363C5FF0; Thu, 24 Apr 2014 17:33:12 -0500 (CDT) Message-ID: <5359912A.70603@sandeen.net> Date: Thu, 24 Apr 2014 17:33:14 -0500 From: Eric Sandeen User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:24.0) Gecko/20100101 Thunderbird/24.4.0 MIME-Version: 1.0 To: Felipe Monteiro de Carvalho , xfs@oss.sgi.com Subject: Re: How to find the inodes in XFS References: X-ASG-Orig-Subj: Re: How to find the inodes in XFS In-Reply-To: X-Enigmail-Version: 1.6 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Barracuda-Connect: sandeen.net[63.231.237.45] X-Barracuda-Start-Time: 1398378792 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-BRTS-Evidence: dubeyko.com X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5225 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On 4/24/14, 5:09 PM, Felipe Monteiro de Carvalho wrote: > Hello, > > I am writing an application which reads XFS partitions, so I am trying > to understand the internal working of XFS. I read the documentation > here: http://www.dubeyko.com/development/FileSystems/XFS/xfs_filesystem_structure.pdf > > But I am stuck at a particular point. To get to the inodes I see that > I should first read xfs_agi_t, no problem here, then its root field > points to a block which contains xfs_inobt_block_t + a sequence of > xfs_inobt_rec_t records and those records are supposed to show me > where the inodes are, but there is no field in xfs_inobt_rec_t such as > a block number =( Any idea how to get then the physical position in > the disk where the inodes are from xfs_inobt_block_t + a sequence of > xfs_inobt_rec_t? The inode's location is encoded in its inode number. See for example: /* * Inode number format: * low inopblog bits - offset in block * next agblklog bits - block number in ag * next agno_log bits - ag number * high agno_log-agblklog-inopblog bits - 0 */ #define XFS_INO_TO_FSB(mp,i) \ XFS_AGB_TO_FSB(mp, XFS_INO_TO_AGNO(mp,i), XFS_INO_TO_AGBNO(mp,i)) -Eric > thanks, > From BATV+ae6779add425ac9710ac+3897+infradead.org+hch@bombadil.srs.infradead.org Fri Apr 25 00:36:53 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 848DA7F52 for ; Fri, 25 Apr 2014 00:36:53 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id 4A907304051 for ; Thu, 24 Apr 2014 22:36:50 -0700 (PDT) X-ASG-Debug-ID: 1398404209-04bdf05c747c2c0001-NocioJ Received: from bombadil.infradead.org ([198.137.202.9]) by cuda.sgi.com with ESMTP id ETZYqd2DDeTZDaXX (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Thu, 24 Apr 2014 22:36:49 -0700 (PDT) X-Barracuda-Envelope-From: BATV+ae6779add425ac9710ac+3897+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.80.1 #2 (Red Hat Linux)) id 1WdYoa-0003Bz-RJ; Fri, 25 Apr 2014 05:36:48 +0000 Date: Thu, 24 Apr 2014 22:36:48 -0700 From: Christoph Hellwig To: Dave Chinner Cc: Christoph Hellwig , xfs@oss.sgi.com Subject: Re: [PATCH 3/6 v2] generic: introduce new large ACL test Message-ID: <20140425053648.GA9435@infradead.org> X-ASG-Orig-Subj: Re: [PATCH 3/6 v2] generic: introduce new large ACL test References: <1398204274-2113-1-git-send-email-david@fromorbit.com> <1398204274-2113-4-git-send-email-david@fromorbit.com> <20140423152313.GC26128@infradead.org> <20140423230915.GV15995@dastard> <20140423234452.GW15995@dastard> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140423234452.GW15995@dastard> User-Agent: Mutt/1.5.21 (2010-09-15) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html X-Barracuda-Connect: UNKNOWN[198.137.202.9] X-Barracuda-Start-Time: 1398404209 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.70 X-Barracuda-Spam-Status: No, SCORE=0.70 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=MARKETING_SUBJECT, RDNS_NONE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5235 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.60 MARKETING_SUBJECT Subject contains popular marketing words 0.10 RDNS_NONE Delivered to trusted network by a host with no rDNS On Thu, Apr 24, 2014 at 09:44:53AM +1000, Dave Chinner wrote: > From: Dave Chinner > > Having just removed the largeacl test from the shared ACL test, > reintroduce the same test as an generic test so that we can > handle the different limits in supported ACL count appropriately > across different filesystems and different configurations within > filesystem types. > > Filesystems have to add support to _acl_get_max to run > this test - the default behaviour right now is to throw a > notrun error like this: > > generic/026 14s ... [not run] ext4 does not define maximum ACL count > > Signed-off-by: Dave Chinner Looks good, Reviewed-by: Christoph Hellwig From BATV+ae6779add425ac9710ac+3897+infradead.org+hch@bombadil.srs.infradead.org Fri Apr 25 00:40:23 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 1E5507F52 for ; Fri, 25 Apr 2014 00:40:23 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id E6C39304048 for ; Thu, 24 Apr 2014 22:40:22 -0700 (PDT) X-ASG-Debug-ID: 1398404421-04bdf05c737c4f0001-NocioJ Received: from bombadil.infradead.org ([198.137.202.9]) by cuda.sgi.com with ESMTP id LwAKkENlAJkJg59C (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO); Thu, 24 Apr 2014 22:40:21 -0700 (PDT) X-Barracuda-Envelope-From: BATV+ae6779add425ac9710ac+3897+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.80.1 #2 (Red Hat Linux)) id 1WdYs1-0005aT-RT; Fri, 25 Apr 2014 05:40:21 +0000 Date: Thu, 24 Apr 2014 22:40:21 -0700 From: Christoph Hellwig To: Mark Tinguely Cc: Dave Chinner , XFS Mailing List Subject: Re: [RFC] libxfs: adding attribute fork frees xfs_inode ptr Message-ID: <20140425054021.GA16132@infradead.org> X-ASG-Orig-Subj: Re: [RFC] libxfs: adding attribute fork frees xfs_inode ptr References: <20140423210034.892939354@sgi.com> <20140423210445.700477624@sgi.com> <20140423222215.GT18672@dastard> <535945DC.6010108@sgi.com> <53597B34.9050407@sgi.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <53597B34.9050407@sgi.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html X-Barracuda-Connect: UNKNOWN[198.137.202.9] X-Barracuda-Start-Time: 1398404421 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.10 X-Barracuda-Spam-Status: No, SCORE=0.10 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=RDNS_NONE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5235 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.10 RDNS_NONE Delivered to trusted network by a host with no rDNS On Thu, Apr 24, 2014 at 03:59:32PM -0500, Mark Tinguely wrote: > PS. I may not have been very clear, the libxfs_trans_roll() and > inode_item_done() also cause a premature libxfs_iput(). > Let me do more testing making any changes and target this for > xfsprogs-3.2.1. You mean you've fixed the way we handle the attachement of inodes to transaction in userspace to mirror what we do in kernelspace? I'd love to review this if you have patches as it's a somewhat of a pain point to have these work so different in kernel and userspace. From BATV+ae6779add425ac9710ac+3897+infradead.org+hch@bombadil.srs.infradead.org Fri Apr 25 00:41:33 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 8FFC07F52 for ; Fri, 25 Apr 2014 00:41:33 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 7B0718F8039 for ; Thu, 24 Apr 2014 22:41:30 -0700 (PDT) X-ASG-Debug-ID: 1398404487-04cb6c58bc43230001-NocioJ Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) by cuda.sgi.com with ESMTP id qG8hA2CfjWuAXvtE (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Thu, 24 Apr 2014 22:41:28 -0700 (PDT) X-Barracuda-Envelope-From: BATV+ae6779add425ac9710ac+3897+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.80.1 #2 (Red Hat Linux)) id 1WdYt5-0005on-Mf; Fri, 25 Apr 2014 05:41:27 +0000 Date: Thu, 24 Apr 2014 22:41:27 -0700 From: Christoph Hellwig To: Dave Chinner Cc: xfs@oss.sgi.com Subject: Re: [PATCH 2/9] db: verify buffer on type change Message-ID: <20140425054127.GB16132@infradead.org> X-ASG-Orig-Subj: Re: [PATCH 2/9] db: verify buffer on type change References: <1398315722-20870-1-git-send-email-david@fromorbit.com> <1398315722-20870-3-git-send-email-david@fromorbit.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1398315722-20870-3-git-send-email-david@fromorbit.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html X-Barracuda-Connect: bombadil.infradead.org[198.137.202.9] X-Barracuda-Start-Time: 1398404488 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5235 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- Looks good, Reviewed-by: Christoph Hellwig From BATV+ae6779add425ac9710ac+3897+infradead.org+hch@bombadil.srs.infradead.org Fri Apr 25 00:47:11 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 13FB67F52 for ; Fri, 25 Apr 2014 00:47:11 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 969D0AC007 for ; Thu, 24 Apr 2014 22:47:07 -0700 (PDT) X-ASG-Debug-ID: 1398404826-04cbb04b9279600001-NocioJ Received: from bombadil.infradead.org ([198.137.202.9]) by cuda.sgi.com with ESMTP id SGgNwEWrko6KK3n5 (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Thu, 24 Apr 2014 22:47:06 -0700 (PDT) X-Barracuda-Envelope-From: BATV+ae6779add425ac9710ac+3897+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.80.1 #2 (Red Hat Linux)) id 1WdYyX-0008EN-NN; Fri, 25 Apr 2014 05:47:05 +0000 Date: Thu, 24 Apr 2014 22:47:05 -0700 From: Christoph Hellwig To: Dave Chinner Cc: xfs@oss.sgi.com Subject: Re: [PATCH 3/9] repair: ensure prefetched buffers have CRCs validated Message-ID: <20140425054705.GA30118@infradead.org> X-ASG-Orig-Subj: Re: [PATCH 3/9] repair: ensure prefetched buffers have CRCs validated References: <1398315722-20870-1-git-send-email-david@fromorbit.com> <1398315722-20870-4-git-send-email-david@fromorbit.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1398315722-20870-4-git-send-email-david@fromorbit.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html X-Barracuda-Connect: UNKNOWN[198.137.202.9] X-Barracuda-Start-Time: 1398404826 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.10 X-Barracuda-Spam-Status: No, SCORE=0.10 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=RDNS_NONE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5235 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.10 RDNS_NONE Delivered to trusted network by a host with no rDNS On Thu, Apr 24, 2014 at 03:01:56PM +1000, Dave Chinner wrote: > From: Dave Chinner > > Prefetch currently does not do CRC validation when the IO completes > due to the optimisation it performs and the fact that it does not > know what the type of metadata into the buffer is supposed to be. > Hence, mark all prefetched buffers as "suspect" so that when the > end user tries to read it with a supplied validation function the > validation is run even though the buffer was already in the cache. > > Signed-off-by: Dave Chinner Looks good, but a few minor nitpicks below: > + if (ops && (bp->b_flags & LIBXFS_B_UNCHECKED)) { > + bp->b_error = 0; > + bp->b_ops = ops; > + bp->b_ops->verify_read(bp); > + bp->b_flags &= ~LIBXFS_B_UNCHECKED; > + } There's three copies of code in the previous and this patch, it probably should go into a helper function. > + else if (bp->b_ops) { > bp->b_ops->verify_read(bp); > + bp->b_flags &= ~LIBXFS_B_UNCHECKED; > + } Same with this. > bp->b_flags |= LIBXFS_B_UPTODATE; > bp->b_flags &= ~(LIBXFS_B_DIRTY | LIBXFS_B_EXIT); > + bp->b_flags &= ~LIBXFS_B_UNCHECKED; Any reason not to clear all three flags in a single line? From BATV+ae6779add425ac9710ac+3897+infradead.org+hch@bombadil.srs.infradead.org Fri Apr 25 00:47:35 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 78F557F4E for ; Fri, 25 Apr 2014 00:47:35 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 6466E8F8039 for ; Thu, 24 Apr 2014 22:47:35 -0700 (PDT) X-ASG-Debug-ID: 1398404854-04cb6c2b7d7b810001-NocioJ Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) by cuda.sgi.com with ESMTP id evdIeAM0BwaDqd5M (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Thu, 24 Apr 2014 22:47:34 -0700 (PDT) X-Barracuda-Envelope-From: BATV+ae6779add425ac9710ac+3897+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.80.1 #2 (Red Hat Linux)) id 1WdYz0-0008Kz-5k; Fri, 25 Apr 2014 05:47:34 +0000 Date: Thu, 24 Apr 2014 22:47:34 -0700 From: Christoph Hellwig To: Dave Chinner Cc: xfs@oss.sgi.com Subject: Re: [PATCH 4/9] repair: detect and correct CRC errors in directory blocks Message-ID: <20140425054734.GB30118@infradead.org> X-ASG-Orig-Subj: Re: [PATCH 4/9] repair: detect and correct CRC errors in directory blocks References: <1398315722-20870-1-git-send-email-david@fromorbit.com> <1398315722-20870-5-git-send-email-david@fromorbit.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1398315722-20870-5-git-send-email-david@fromorbit.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html X-Barracuda-Connect: bombadil.infradead.org[198.137.202.9] X-Barracuda-Start-Time: 1398404854 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5235 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- Looks good, Reviewed-by: Christoph Hellwig From BATV+ae6779add425ac9710ac+3897+infradead.org+hch@bombadil.srs.infradead.org Fri Apr 25 00:55:18 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 1BA9E7F52 for ; Fri, 25 Apr 2014 00:55:18 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id D2EA8304043 for ; Thu, 24 Apr 2014 22:55:17 -0700 (PDT) X-ASG-Debug-ID: 1398405316-04bdf05c757cb80001-NocioJ Received: from bombadil.infradead.org ([198.137.202.9]) by cuda.sgi.com with ESMTP id rPtrWnEbKma1WCO7 (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Thu, 24 Apr 2014 22:55:16 -0700 (PDT) X-Barracuda-Envelope-From: BATV+ae6779add425ac9710ac+3897+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.80.1 #2 (Red Hat Linux)) id 1WdZ6S-0003xl-EH; Fri, 25 Apr 2014 05:55:16 +0000 Date: Thu, 24 Apr 2014 22:55:16 -0700 From: Christoph Hellwig To: Dave Chinner Cc: xfs@oss.sgi.com Subject: Re: [PATCH 5/9] repair: detect CRC errors in AG headers Message-ID: <20140425055516.GC30118@infradead.org> X-ASG-Orig-Subj: Re: [PATCH 5/9] repair: detect CRC errors in AG headers References: <1398315722-20870-1-git-send-email-david@fromorbit.com> <1398315722-20870-6-git-send-email-david@fromorbit.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1398315722-20870-6-git-send-email-david@fromorbit.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html X-Barracuda-Connect: UNKNOWN[198.137.202.9] X-Barracuda-Start-Time: 1398405316 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.10 X-Barracuda-Spam-Status: No, SCORE=0.10 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=RDNS_NONE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5236 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.10 RDNS_NONE Delivered to trusted network by a host with no rDNS > sb = (xfs_sb_t *)calloc(BBSIZE, 1); If you already do various cosmetic changes I'd recommend removing the useles case here as well. > - if (status & XR_AG_AGF) { > + if (agf_dirty || status & XR_AG_AGF) { > - if (status & XR_AG_AGI) { > + if (agi_dirty || status & XR_AG_AGI) { I can't see how agf_dirty and agi_dirty would ever be set at this point. > +out_free: > + if (sb) > + free(sb); > + if (agibuf) > + libxfs_putbuf(agibuf); > + if (agfbuf) > + libxfs_putbuf(agfbuf); > + if (sbbuf) > + libxfs_putbuf(sbbuf); > + if (objname) > + do_error(_("can't get %s for ag %d\n"), objname, agno); > + return; No need for a return statement at the end of a void returning function. Also any reason for not using one goto for each unwind step like we do elsewhere instead of the if (!NULL) checks? From BATV+ae6779add425ac9710ac+3897+infradead.org+hch@bombadil.srs.infradead.org Fri Apr 25 00:55:47 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 741907F52 for ; Fri, 25 Apr 2014 00:55:47 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 585E3304051 for ; Thu, 24 Apr 2014 22:55:47 -0700 (PDT) X-ASG-Debug-ID: 1398405346-04cb6c2b7d7bb20001-NocioJ Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) by cuda.sgi.com with ESMTP id lcQExF3BIBEWzeRz (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Thu, 24 Apr 2014 22:55:46 -0700 (PDT) X-Barracuda-Envelope-From: BATV+ae6779add425ac9710ac+3897+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.80.1 #2 (Red Hat Linux)) id 1WdZ6w-0004J4-Cz; Fri, 25 Apr 2014 05:55:46 +0000 Date: Thu, 24 Apr 2014 22:55:46 -0700 From: Christoph Hellwig To: Dave Chinner Cc: xfs@oss.sgi.com Subject: Re: [PATCH 6/9] repair: report AG btree verifier errors Message-ID: <20140425055546.GD30118@infradead.org> X-ASG-Orig-Subj: Re: [PATCH 6/9] repair: report AG btree verifier errors References: <1398315722-20870-1-git-send-email-david@fromorbit.com> <1398315722-20870-7-git-send-email-david@fromorbit.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1398315722-20870-7-git-send-email-david@fromorbit.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html X-Barracuda-Connect: bombadil.infradead.org[198.137.202.9] X-Barracuda-Start-Time: 1398405346 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5235 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- Looks good, Reviewed-by: Christoph Hellwig From BATV+ae6779add425ac9710ac+3897+infradead.org+hch@bombadil.srs.infradead.org Fri Apr 25 01:01:24 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 5DA3B29DF8 for ; Fri, 25 Apr 2014 01:01:24 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 38C8F8F8039 for ; Thu, 24 Apr 2014 23:01:21 -0700 (PDT) X-ASG-Debug-ID: 1398405679-04cb6c2b7a7bd90001-NocioJ Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) by cuda.sgi.com with ESMTP id jmerhn9Ns7rXKwAa (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Thu, 24 Apr 2014 23:01:20 -0700 (PDT) X-Barracuda-Envelope-From: BATV+ae6779add425ac9710ac+3897+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.80.1 #2 (Red Hat Linux)) id 1WdZCJ-0006kS-Iz; Fri, 25 Apr 2014 06:01:19 +0000 Date: Thu, 24 Apr 2014 23:01:19 -0700 From: Christoph Hellwig To: Dave Chinner Cc: xfs@oss.sgi.com Subject: Re: [PATCH 8/9] repair: handle remote symlink CRC errors Message-ID: <20140425060119.GE30118@infradead.org> X-ASG-Orig-Subj: Re: [PATCH 8/9] repair: handle remote symlink CRC errors References: <1398315722-20870-1-git-send-email-david@fromorbit.com> <1398315722-20870-9-git-send-email-david@fromorbit.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1398315722-20870-9-git-send-email-david@fromorbit.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html X-Barracuda-Connect: bombadil.infradead.org[198.137.202.9] X-Barracuda-Start-Time: 1398405680 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5235 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Thu, Apr 24, 2014 at 03:02:01PM +1000, Dave Chinner wrote: > From: Dave Chinner > > We can't really repair broken symlink buffer contents, but we can at > least warn about it and correct the CRC error so the symlink is > again readable. > + do_warn( > +_("Bad symlink buffer CRC, block %" PRIu64 ", inode %" PRIu64 ".\n" > + "Correcting CRC, but symlink may be bad.\n"), fsbno, lino); > + dirty = 1; Can you use the badcrc variable name here like in a few other places? > + if (dirty) > + libxfs_writebuf(bp, 0); > + else > + libxfs_putbuf(bp); This needs a no_modify check. Hmm, given how often we have this pattern and how easy it is do get wrong, maybe libxfs_writebuf should do the no_modify check for us can we can get rid of all this code? Or maybe at least in a repair_writebuf wrapper? Not saying it should go into this series of course. From BATV+ae6779add425ac9710ac+3897+infradead.org+hch@bombadil.srs.infradead.org Fri Apr 25 01:30:02 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 061807F52 for ; Fri, 25 Apr 2014 01:30:02 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id E473E8F8049 for ; Thu, 24 Apr 2014 23:30:01 -0700 (PDT) X-ASG-Debug-ID: 1398407400-04cb6c2b7b7ce00001-NocioJ Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) by cuda.sgi.com with ESMTP id 8jh6QGTKRpNozyYc (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Thu, 24 Apr 2014 23:30:00 -0700 (PDT) X-Barracuda-Envelope-From: BATV+ae6779add425ac9710ac+3897+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.80.1 #2 (Red Hat Linux)) id 1WdZe4-0007LG-AN; Fri, 25 Apr 2014 06:30:00 +0000 Date: Thu, 24 Apr 2014 23:30:00 -0700 From: Christoph Hellwig To: Dave Chinner Cc: xfs@oss.sgi.com Subject: Re: [3.15-rc4 PATCH] xfs: fully support v5 format filesystems Message-ID: <20140425063000.GA27527@infradead.org> X-ASG-Orig-Subj: Re: [3.15-rc4 PATCH] xfs: fully support v5 format filesystems References: <1398324998-2592-1-git-send-email-david@fromorbit.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1398324998-2592-1-git-send-email-david@fromorbit.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html X-Barracuda-Connect: bombadil.infradead.org[198.137.202.9] X-Barracuda-Start-Time: 1398407400 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5236 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Thu, Apr 24, 2014 at 05:36:38PM +1000, Dave Chinner wrote: > From: Dave Chinner > > We have had this code in the kernel for over a year now and have > shaken all the known issues out of the code over the past few > releases. It's now time to remove the experimental warnings during > mount and fully support the new filesystem format in production > systems. Shouldn't we wait until the xfsprogs 3.2.0 release before this? From BATV+ae6779add425ac9710ac+3897+infradead.org+hch@bombadil.srs.infradead.org Fri Apr 25 01:30:55 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 1275C7F52 for ; Fri, 25 Apr 2014 01:30:55 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id E19C18F804B for ; Thu, 24 Apr 2014 23:30:54 -0700 (PDT) X-ASG-Debug-ID: 1398407453-04cbb04b917abc0001-NocioJ Received: from bombadil.infradead.org ([198.137.202.9]) by cuda.sgi.com with ESMTP id OzooJdp1B21SJyZv (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Thu, 24 Apr 2014 23:30:54 -0700 (PDT) X-Barracuda-Envelope-From: BATV+ae6779add425ac9710ac+3897+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.80.1 #2 (Red Hat Linux)) id 1WdZev-00009v-FT; Fri, 25 Apr 2014 06:30:53 +0000 Date: Thu, 24 Apr 2014 23:30:53 -0700 From: Christoph Hellwig To: Eryu Guan Cc: xfs@oss.sgi.com Subject: Re: [PATCH v2] common: new function to get real device path name and basename Message-ID: <20140425063053.GB27527@infradead.org> X-ASG-Orig-Subj: Re: [PATCH v2] common: new function to get real device path name and basename References: <20140422051051.GI18672@dastard> <1398149833-9761-1-git-send-email-eguan@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1398149833-9761-1-git-send-email-eguan@redhat.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html X-Barracuda-Connect: UNKNOWN[198.137.202.9] X-Barracuda-Start-Time: 1398407453 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-Spam-Score: 0.10 X-Barracuda-Spam-Status: No, SCORE=0.10 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=RDNS_NONE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5236 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.10 RDNS_NONE Delivered to trusted network by a host with no rDNS Looks good, Reviewed-by: Christoph Hellwig From BATV+ae6779add425ac9710ac+3897+infradead.org+hch@bombadil.srs.infradead.org Fri Apr 25 01:31:55 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 4BFBA7F52 for ; Fri, 25 Apr 2014 01:31:55 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 2722F8F8054 for ; Thu, 24 Apr 2014 23:31:55 -0700 (PDT) X-ASG-Debug-ID: 1398407513-04cbb04b907aca0001-NocioJ Received: from bombadil.infradead.org ([198.137.202.9]) by cuda.sgi.com with ESMTP id lrOx5bVOxEpHqX2q (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Thu, 24 Apr 2014 23:31:54 -0700 (PDT) X-Barracuda-Envelope-From: BATV+ae6779add425ac9710ac+3897+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.80.1 #2 (Red Hat Linux)) id 1WdZft-0000Ou-Lu; Fri, 25 Apr 2014 06:31:53 +0000 Date: Thu, 24 Apr 2014 23:31:53 -0700 From: Christoph Hellwig To: Eric Sandeen Cc: xfs-oss , ext4 development , Theodore Tso Subject: Re: [PATCH] xfstests: introduce FSX_AVOID env var Message-ID: <20140425063153.GC27527@infradead.org> X-ASG-Orig-Subj: Re: [PATCH] xfstests: introduce FSX_AVOID env var References: <5355478C.8070905@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <5355478C.8070905@redhat.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html X-Barracuda-Connect: UNKNOWN[198.137.202.9] X-Barracuda-Start-Time: 1398407514 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.10 X-Barracuda-Spam-Status: No, SCORE=0.10 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=RDNS_NONE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5236 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.10 RDNS_NONE Delivered to trusted network by a host with no rDNS On Mon, Apr 21, 2014 at 11:30:04AM -0500, Eric Sandeen wrote: > Just like FSSTRESS_AVOID, FSX_AVOID can be used to add > options at the end of the default fsx runs in each test. > i.e. FSX_AVOID="-H -z -C" will disable punch hole, zero range, > and collapse range calls in all tests which run fsx. > > This should handle Ted's concerns about buggy ext4 fallocate > code without needing to add tunables to the kernel to reject > these operations during xfstests runs. I would much prefer to add a little _run_fsx helper to encapsulate this. From BATV+ae6779add425ac9710ac+3897+infradead.org+hch@bombadil.srs.infradead.org Fri Apr 25 01:43:38 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id E0FD47F52 for ; Fri, 25 Apr 2014 01:43:38 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id B6606304043 for ; Thu, 24 Apr 2014 23:43:35 -0700 (PDT) X-ASG-Debug-ID: 1398408213-04cbb04b937b600001-NocioJ Received: from bombadil.infradead.org ([198.137.202.9]) by cuda.sgi.com with ESMTP id LHCgDseDO9XL9Q1X (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Thu, 24 Apr 2014 23:43:33 -0700 (PDT) X-Barracuda-Envelope-From: BATV+ae6779add425ac9710ac+3897+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.80.1 #2 (Red Hat Linux)) id 1WdZrB-0005TK-7s; Fri, 25 Apr 2014 06:43:33 +0000 Date: Thu, 24 Apr 2014 23:43:33 -0700 From: Christoph Hellwig To: Jeff Liu Cc: "xfs@oss.sgi.com" Subject: Re: [PATCH v2 04/10] xfs: introduce per allocation group inumbers Message-ID: <20140425064333.GA20871@infradead.org> X-ASG-Orig-Subj: Re: [PATCH v2 04/10] xfs: introduce per allocation group inumbers References: <535078B5.4010700@oracle.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <535078B5.4010700@oracle.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html X-Barracuda-Connect: UNKNOWN[198.137.202.9] X-Barracuda-Start-Time: 1398408213 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.10 X-Barracuda-Spam-Status: No, SCORE=0.10 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=RDNS_NONE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5236 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.10 RDNS_NONE Delivered to trusted network by a host with no rDNS On Fri, Apr 18, 2014 at 08:58:29AM +0800, Jeff Liu wrote: > From: Jie Liu > > Introduce xfs_perag_inumbers(), it could be used to fetch the inode number > tables per allocation group via a new ioctl(2) in the future. Also, that > would be a net win considering the scalability for a file system with huge > number of inodes as multiple allocation groups can be scanned in parallel, > refactor xfs_inumbers() with it. Given that you don't actually introduce a per-ag inumbers interface in this series I'd prefer if you just refactor the inumbers code to add a helper that operates on an AG with xfs_inumbers moving on to the next one, but not adding the xfs_aginumbers structure that just makes the move less obvious for now. From BATV+ae6779add425ac9710ac+3897+infradead.org+hch@bombadil.srs.infradead.org Fri Apr 25 01:48:20 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 9D2EA7F52 for ; Fri, 25 Apr 2014 01:48:20 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id 79A938F8040 for ; Thu, 24 Apr 2014 23:48:20 -0700 (PDT) X-ASG-Debug-ID: 1398408495-04bdf05c747ef00001-NocioJ Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) by cuda.sgi.com with ESMTP id IC5oOP29fwQoAv3S (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Thu, 24 Apr 2014 23:48:15 -0700 (PDT) X-Barracuda-Envelope-From: BATV+ae6779add425ac9710ac+3897+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.80.1 #2 (Red Hat Linux)) id 1WdZvj-0006ih-NN; Fri, 25 Apr 2014 06:48:15 +0000 Date: Thu, 24 Apr 2014 23:48:15 -0700 From: Christoph Hellwig To: Jeff Liu Cc: "xfs@oss.sgi.com" Subject: Re: [PATCH v2 05/10] xfs: fix error handling in xfs_bulkstat Message-ID: <20140425064815.GB20871@infradead.org> X-ASG-Orig-Subj: Re: [PATCH v2 05/10] xfs: fix error handling in xfs_bulkstat References: <535078B8.4020905@oracle.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <535078B8.4020905@oracle.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html X-Barracuda-Connect: bombadil.infradead.org[198.137.202.9] X-Barracuda-Start-Time: 1398408495 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5236 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- > Moreover, this fix also get rid of the redundant user buffer count > pre-checkups as it has already been validated in upper callers. > - if (!ubcountp || *ubcountp <= 0) { > - return EINVAL; > - } Probably better to have this as a separate patch. > - /* > - * Loop as long as we're unable to read the > - * inode btree. > - */ > - while (error) { > - agino += XFS_INODES_PER_CHUNK; > - if (XFS_AGINO_TO_AGBNO(mp, agino) >= > - be32_to_cpu(agi->agi_length)) > - break; > - error = xfs_inobt_lookup(cur, agino, > - XFS_LOOKUP_GE, &tmp); > - cond_resched(); > - } This code goes back to 1995, but I still can't see how it would make sense. I think we should get rid of this, but I'd also love to have Dave and Eric double check it as well. Signed-off-by: Christoph Hellwig From BATV+ae6779add425ac9710ac+3897+infradead.org+hch@bombadil.srs.infradead.org Fri Apr 25 01:49:47 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id AF0F47F52 for ; Fri, 25 Apr 2014 01:49:47 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 434B8AC006 for ; Thu, 24 Apr 2014 23:49:47 -0700 (PDT) X-ASG-Debug-ID: 1398408585-04cb6c2b7d7dd80001-NocioJ Received: from bombadil.infradead.org ([198.137.202.9]) by cuda.sgi.com with ESMTP id rKI31xF1sDanvNky (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Thu, 24 Apr 2014 23:49:46 -0700 (PDT) X-Barracuda-Envelope-From: BATV+ae6779add425ac9710ac+3897+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.80.1 #2 (Red Hat Linux)) id 1WdZxB-0006kX-Md; Fri, 25 Apr 2014 06:49:45 +0000 Date: Thu, 24 Apr 2014 23:49:45 -0700 From: Christoph Hellwig To: Jeff Liu Cc: "xfs@oss.sgi.com" Subject: Re: [PATCH v2 06/10] xfs: introduce xfs_bulkstat_ichunk_ra Message-ID: <20140425064945.GC20871@infradead.org> X-ASG-Orig-Subj: Re: [PATCH v2 06/10] xfs: introduce xfs_bulkstat_ichunk_ra References: <535078C3.2040506@oracle.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <535078C3.2040506@oracle.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html X-Barracuda-Connect: UNKNOWN[198.137.202.9] X-Barracuda-Start-Time: 1398408585 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-Spam-Score: 0.10 X-Barracuda-Spam-Status: No, SCORE=0.10 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=RDNS_NONE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5236 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.10 RDNS_NONE Delivered to trusted network by a host with no rDNS Looks good, Reviewed-by: Christoph Hellwig From BATV+ae6779add425ac9710ac+3897+infradead.org+hch@bombadil.srs.infradead.org Fri Apr 25 01:53:03 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 1C1AE7F52 for ; Fri, 25 Apr 2014 01:53:03 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id A4BC7AC006 for ; Thu, 24 Apr 2014 23:53:02 -0700 (PDT) X-ASG-Debug-ID: 1398408781-04cb6c58bc45cc0001-NocioJ Received: from bombadil.infradead.org ([198.137.202.9]) by cuda.sgi.com with ESMTP id MVW701eSw8CmOX18 (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Thu, 24 Apr 2014 23:53:01 -0700 (PDT) X-Barracuda-Envelope-From: BATV+ae6779add425ac9710ac+3897+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.80.1 #2 (Red Hat Linux)) id 1Wda0L-000187-4E; Fri, 25 Apr 2014 06:53:01 +0000 Date: Thu, 24 Apr 2014 23:53:01 -0700 From: Christoph Hellwig To: Jeff Liu Cc: "xfs@oss.sgi.com" Subject: Re: [PATCH v2 07/10] xfs: introduce xfs_bulkstat_grab_ichunk Message-ID: <20140425065301.GD20871@infradead.org> X-ASG-Orig-Subj: Re: [PATCH v2 07/10] xfs: introduce xfs_bulkstat_grab_ichunk References: <535078C5.5060107@oracle.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <535078C5.5060107@oracle.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html X-Barracuda-Connect: UNKNOWN[198.137.202.9] X-Barracuda-Start-Time: 1398408781 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.10 X-Barracuda-Spam-Status: No, SCORE=0.10 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=RDNS_NONE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5236 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.10 RDNS_NONE Delivered to trusted network by a host with no rDNS > - agino = r.ir_startino + XFS_INODES_PER_CHUNK; > + agino += r.ir_startino + XFS_INODES_PER_CHUNK; why did this turns from a = into a += ? From BATV+ae6779add425ac9710ac+3897+infradead.org+hch@bombadil.srs.infradead.org Fri Apr 25 01:55:46 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id A5C667F52 for ; Fri, 25 Apr 2014 01:55:46 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 7F19D8F8040 for ; Thu, 24 Apr 2014 23:55:46 -0700 (PDT) X-ASG-Debug-ID: 1398408945-04cbb04b917c080001-NocioJ Received: from bombadil.infradead.org ([198.137.202.9]) by cuda.sgi.com with ESMTP id b5u0JYmpNIgSGppa (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Thu, 24 Apr 2014 23:55:45 -0700 (PDT) X-Barracuda-Envelope-From: BATV+ae6779add425ac9710ac+3897+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.80.1 #2 (Red Hat Linux)) id 1Wda2z-0002Zx-Bm; Fri, 25 Apr 2014 06:55:45 +0000 Date: Thu, 24 Apr 2014 23:55:45 -0700 From: Christoph Hellwig To: Jeff Liu Cc: "xfs@oss.sgi.com" Subject: Re: [PATCH v2 10/10] xfs: isolate xfs_qm_quotacheck to its source file Message-ID: <20140425065545.GE20871@infradead.org> X-ASG-Orig-Subj: Re: [PATCH v2 10/10] xfs: isolate xfs_qm_quotacheck to its source file References: <535078D4.4000802@oracle.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <535078D4.4000802@oracle.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html X-Barracuda-Connect: UNKNOWN[198.137.202.9] X-Barracuda-Start-Time: 1398408945 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.10 X-Barracuda-Spam-Status: No, SCORE=0.10 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=RDNS_NONE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5237 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.10 RDNS_NONE Delivered to trusted network by a host with no rDNS On Fri, Apr 18, 2014 at 08:59:00AM +0800, Jeff Liu wrote: > From: Jie Liu > > Isolate xfs_qm_quotacheck() to xfs_qm.c as there is no other users of it. > > Signed-off-by: Jie Liu Looks good, but the description is a bit confusing, we'd normallay say something like: "xfs: mark xfs_qm_quotacheck as static xfs_qm_quotacheck is not used outside of xfs_qm.c. Mark it static and move it around in the file to avoid a forward declaration." Reviewed-by: Christoph Hellwig From jeff.liu@oracle.com Fri Apr 25 02:14:47 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 7BBA97F52 for ; Fri, 25 Apr 2014 02:14:47 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 06665AC006 for ; Fri, 25 Apr 2014 00:14:43 -0700 (PDT) X-ASG-Debug-ID: 1398410082-04cb6c2b7b7f2d0001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id vEXiN6l2KmAHW9Pk (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Fri, 25 Apr 2014 00:14:42 -0700 (PDT) X-Barracuda-Envelope-From: jeff.liu@oracle.com X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from ucsinet21.oracle.com (ucsinet21.oracle.com [156.151.31.93]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id s3P7EJPQ013182 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 25 Apr 2014 07:14:19 GMT Received: from userz7021.oracle.com (userz7021.oracle.com [156.151.31.85]) by ucsinet21.oracle.com (8.14.4+Sun/8.14.4) with ESMTP id s3P7EI57012357 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=FAIL); Fri, 25 Apr 2014 07:14:18 GMT Received: from abhmp0018.oracle.com (abhmp0018.oracle.com [141.146.116.24]) by userz7021.oracle.com (8.14.4+Sun/8.14.4) with ESMTP id s3P7EHan012342; Fri, 25 Apr 2014 07:14:18 GMT Received: from [192.168.1.106] (/221.223.105.238) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Fri, 25 Apr 2014 00:14:17 -0700 Message-ID: <535A0B46.9040203@oracle.com> Date: Fri, 25 Apr 2014 15:14:14 +0800 From: Jeff Liu User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.1.0 MIME-Version: 1.0 To: Christoph Hellwig CC: "xfs@oss.sgi.com" Subject: Re: [PATCH v2 04/10] xfs: introduce per allocation group inumbers References: <535078B5.4010700@oracle.com> <20140425064333.GA20871@infradead.org> X-ASG-Orig-Subj: Re: [PATCH v2 04/10] xfs: introduce per allocation group inumbers In-Reply-To: <20140425064333.GA20871@infradead.org> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Source-IP: ucsinet21.oracle.com [156.151.31.93] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1398410082 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5236 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On 04/25 2014 14:43 PM, Christoph Hellwig wrote: > On Fri, Apr 18, 2014 at 08:58:29AM +0800, Jeff Liu wrote: >> From: Jie Liu >> >> Introduce xfs_perag_inumbers(), it could be used to fetch the inode number >> tables per allocation group via a new ioctl(2) in the future. Also, that >> would be a net win considering the scalability for a file system with huge >> number of inodes as multiple allocation groups can be scanned in parallel, >> refactor xfs_inumbers() with it. > > Given that you don't actually introduce a per-ag inumbers interface in > this series I'd prefer if you just refactor the inumbers code to > add a helper that operates on an AG with xfs_inumbers moving on to > the next one, but not adding the xfs_aginumbers structure that just > makes the move less obvious for now. Fair enough, I'll take care of it. Thanks, -Jeff From jeff.liu@oracle.com Fri Apr 25 02:22:12 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 842E87F52 for ; Fri, 25 Apr 2014 02:22:10 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 0D0A0AC006 for ; Fri, 25 Apr 2014 00:22:09 -0700 (PDT) X-ASG-Debug-ID: 1398410528-04cbb04b927d5e0001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id tXMVzcCWGypxpNTk (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Fri, 25 Apr 2014 00:22:08 -0700 (PDT) X-Barracuda-Envelope-From: jeff.liu@oracle.com X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from ucsinet21.oracle.com (ucsinet21.oracle.com [156.151.31.93]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id s3P7Lj4R020660 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 25 Apr 2014 07:21:45 GMT Received: from userz7021.oracle.com (userz7021.oracle.com [156.151.31.85]) by ucsinet21.oracle.com (8.14.4+Sun/8.14.4) with ESMTP id s3P7LiB5003275 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=FAIL); Fri, 25 Apr 2014 07:21:45 GMT Received: from abhmp0003.oracle.com (abhmp0003.oracle.com [141.146.116.9]) by userz7021.oracle.com (8.14.4+Sun/8.14.4) with ESMTP id s3P7Li09003265; Fri, 25 Apr 2014 07:21:44 GMT Received: from [192.168.1.106] (/221.223.105.238) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Fri, 25 Apr 2014 00:21:43 -0700 Message-ID: <535A0D05.1090004@oracle.com> Date: Fri, 25 Apr 2014 15:21:41 +0800 From: Jeff Liu User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.1.0 MIME-Version: 1.0 To: Christoph Hellwig CC: "xfs@oss.sgi.com" Subject: Re: [PATCH v2 05/10] xfs: fix error handling in xfs_bulkstat References: <535078B8.4020905@oracle.com> <20140425064815.GB20871@infradead.org> X-ASG-Orig-Subj: Re: [PATCH v2 05/10] xfs: fix error handling in xfs_bulkstat In-Reply-To: <20140425064815.GB20871@infradead.org> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Source-IP: ucsinet21.oracle.com [156.151.31.93] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1398410528 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5237 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On 04/25 2014 14:48 PM, Christoph Hellwig wrote: >> Moreover, this fix also get rid of the redundant user buffer count >> pre-checkups as it has already been validated in upper callers. > >> - if (!ubcountp || *ubcountp <= 0) { >> - return EINVAL; >> - } > > Probably better to have this as a separate patch. Sometimes, I'd to put such kind of trivial fixes into a relative effective patch if possible. But from another point of view, yep, have it as a separate patch would make it more convenient for reviewer. > >> - /* >> - * Loop as long as we're unable to read the >> - * inode btree. >> - */ >> - while (error) { >> - agino += XFS_INODES_PER_CHUNK; >> - if (XFS_AGINO_TO_AGBNO(mp, agino) >= >> - be32_to_cpu(agi->agi_length)) >> - break; >> - error = xfs_inobt_lookup(cur, agino, >> - XFS_LOOKUP_GE, &tmp); >> - cond_resched(); >> - } > > This code goes back to 1995, but I still can't see how it would make > sense. I think we should get rid of this, but I'd also love to have > Dave and Eric double check it as well. > > Signed-off-by: Christoph Hellwig Thanks, -Jeff From jeff.liu@oracle.com Fri Apr 25 02:55:36 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id C09B07F52 for ; Fri, 25 Apr 2014 02:55:36 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 9A5308F8049 for ; Fri, 25 Apr 2014 00:55:36 -0700 (PDT) X-ASG-Debug-ID: 1398412530-04cb6c2b7a814e0001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id mcfXkivlnnkEP9Sj (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Fri, 25 Apr 2014 00:55:31 -0700 (PDT) X-Barracuda-Envelope-From: jeff.liu@oracle.com X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from ucsinet21.oracle.com (ucsinet21.oracle.com [156.151.31.93]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id s3P7t5qV021810 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 25 Apr 2014 07:55:06 GMT Received: from userz7022.oracle.com (userz7022.oracle.com [156.151.31.86]) by ucsinet21.oracle.com (8.14.4+Sun/8.14.4) with ESMTP id s3P7t4UX026709 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Fri, 25 Apr 2014 07:55:05 GMT Received: from abhmp0013.oracle.com (abhmp0013.oracle.com [141.146.116.19]) by userz7022.oracle.com (8.14.5+Sun/8.14.4) with ESMTP id s3P7t49o008535; Fri, 25 Apr 2014 07:55:04 GMT Received: from [192.168.1.106] (/221.223.105.238) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Fri, 25 Apr 2014 00:55:04 -0700 Message-ID: <535A14D5.30203@oracle.com> Date: Fri, 25 Apr 2014 15:55:01 +0800 From: Jeff Liu User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.1.0 MIME-Version: 1.0 To: Christoph Hellwig CC: "xfs@oss.sgi.com" Subject: Re: [PATCH v2 07/10] xfs: introduce xfs_bulkstat_grab_ichunk References: <535078C5.5060107@oracle.com> <20140425065301.GD20871@infradead.org> X-ASG-Orig-Subj: Re: [PATCH v2 07/10] xfs: introduce xfs_bulkstat_grab_ichunk In-Reply-To: <20140425065301.GD20871@infradead.org> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Source-IP: ucsinet21.oracle.com [156.151.31.93] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1398412531 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5237 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On 04/25 2014 14:53 PM, Christoph Hellwig wrote: >> - agino = r.ir_startino + XFS_INODES_PER_CHUNK; > >> + agino += r.ir_startino + XFS_INODES_PER_CHUNK; > > why did this turns from a = into a += ? Ah, this should be "a = ", will fix it. Thanks, -Jeff From jeff.liu@oracle.com Fri Apr 25 03:06:09 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id A44B37F52 for ; Fri, 25 Apr 2014 03:06:09 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 35955AC008 for ; Fri, 25 Apr 2014 01:06:06 -0700 (PDT) X-ASG-Debug-ID: 1398413164-04cb6c2b7b81f10001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id dHvKS9WO5tWcqGI3 (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Fri, 25 Apr 2014 01:06:05 -0700 (PDT) X-Barracuda-Envelope-From: jeff.liu@oracle.com X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from acsinet22.oracle.com (acsinet22.oracle.com [141.146.126.238]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id s3P85fCh031591 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 25 Apr 2014 08:05:42 GMT Received: from userz7021.oracle.com (userz7021.oracle.com [156.151.31.85]) by acsinet22.oracle.com (8.14.4+Sun/8.14.4) with ESMTP id s3P85eB0023896 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=FAIL); Fri, 25 Apr 2014 08:05:40 GMT Received: from abhmp0020.oracle.com (abhmp0020.oracle.com [141.146.116.26]) by userz7021.oracle.com (8.14.4+Sun/8.14.4) with ESMTP id s3P85dt0021638; Fri, 25 Apr 2014 08:05:39 GMT Received: from [192.168.1.106] (/221.223.105.238) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Fri, 25 Apr 2014 01:05:39 -0700 Message-ID: <535A1750.20109@oracle.com> Date: Fri, 25 Apr 2014 16:05:36 +0800 From: Jeff Liu User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.1.0 MIME-Version: 1.0 To: Christoph Hellwig CC: "xfs@oss.sgi.com" Subject: Re: [PATCH v2 10/10] xfs: isolate xfs_qm_quotacheck to its source file References: <535078D4.4000802@oracle.com> <20140425065545.GE20871@infradead.org> X-ASG-Orig-Subj: Re: [PATCH v2 10/10] xfs: isolate xfs_qm_quotacheck to its source file In-Reply-To: <20140425065545.GE20871@infradead.org> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Source-IP: acsinet22.oracle.com [141.146.126.238] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1398413164 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5237 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On 04/25 2014 14:55 PM, Christoph Hellwig wrote: > On Fri, Apr 18, 2014 at 08:59:00AM +0800, Jeff Liu wrote: >> From: Jie Liu >> >> Isolate xfs_qm_quotacheck() to xfs_qm.c as there is no other users of it. >> >> Signed-off-by: Jie Liu > > Looks good, but the description is a bit confusing, we'd normallay say > something like: > > "xfs: mark xfs_qm_quotacheck as static > > xfs_qm_quotacheck is not used outside of xfs_qm.c. Mark it static and > move it around in the file to avoid a forward declaration." Nice suggestion, thanks for your review. Thanks, -Jeff From lists@nerdbynature.de Fri Apr 25 05:21:26 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.1 required=5.0 tests=FROM_12LTRDOM autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 85F927F52 for ; Fri, 25 Apr 2014 05:21:26 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 00B46AC007 for ; Fri, 25 Apr 2014 03:21:22 -0700 (PDT) X-ASG-Debug-ID: 1398421279-04cbb04b9088120001-NocioJ Received: from trent.utfs.org (trent.utfs.org [94.185.90.103]) by cuda.sgi.com with ESMTP id wVCN5uk81QjfPn4n (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Fri, 25 Apr 2014 03:21:21 -0700 (PDT) X-Barracuda-Envelope-From: lists@nerdbynature.de X-Barracuda-Apparent-Source-IP: 94.185.90.103 Received: by trent.utfs.org (Postfix, from userid 8) id 896BD3DCEC; Fri, 25 Apr 2014 12:21:18 +0200 (CEST) Received: from trent.utfs.org (localhost [127.0.0.1]) by trent.utfs.org (Postfix) with ESMTP id 1FE0A3DCDF for ; Fri, 25 Apr 2014 12:21:17 +0200 (CEST) Received: from localhost (localhost [127.0.0.1]) by trent.utfs.org (Postfix) with ESMTP id 016A43DB00 for ; Fri, 25 Apr 2014 12:21:17 +0200 (CEST) Date: Fri, 25 Apr 2014 03:21:16 -0700 (PDT) From: Christian Kujau To: xfs@oss.sgi.com Subject: 3.15.0-rc2: RECLAIM_FS-safe -> RECLAIM_FS-unsafe lock order detected Message-ID: X-ASG-Orig-Subj: 3.15.0-rc2: RECLAIM_FS-safe -> RECLAIM_FS-unsafe lock order detected User-Agent: Alpine 2.19.4 (DEB 40 2013-11-18) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII X-AV-Checked: ClamAV using ClamSMTP (127.0.0.1) X-Barracuda-Connect: trent.utfs.org[94.185.90.103] X-Barracuda-Start-Time: 1398421280 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5240 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- Hi, I haven't run vanilla for a while, so this is pretty much a copy of what I reported[0] back with 3.14-rc2, but now with 3.15-rc2. Full dmesg & .config can be found here: http://nerdbynature.de/bits/3.15-rc2/ ====================================================== [ INFO: RECLAIM_FS-safe -> RECLAIM_FS-unsafe lock order detected ] 3.15.0-rc2 #1 Not tainted ------------------------------------------------------ rm/8288 [HC0[0]:SC0[0]:HE1:SE1] is trying to acquire: (&mm->mmap_sem){++++++}, at: [] might_fault+0x58/0xa0 and this task is already holding: (&xfs_dir_ilock_class){++++-.}, at: [] xfs_ilock_data_map_shared+0x28/0x70 which would create a new lock dependency: (&xfs_dir_ilock_class){++++-.} -> (&mm->mmap_sem){++++++} but this new dependency connects a RECLAIM_FS-irq-safe lock: (&xfs_dir_ilock_class){++++-.} ... which became RECLAIM_FS-irq-safe at: [] lock_acquire+0x54/0x70 [] down_write_nested+0x50/0xa0 [] xfs_reclaim_inode+0x108/0x318 [] xfs_reclaim_inodes_ag+0x1b4/0x360 [] xfs_reclaim_inodes_nr+0x38/0x4c [] super_cache_scan+0x150/0x158 [] shrink_slab_node+0x138/0x228 [] shrink_slab+0x124/0x13c [] kswapd+0x3f8/0x884 [] kthread+0xbc/0xd0 [] ret_from_kernel_thread+0x5c/0x64 to a RECLAIM_FS-irq-unsafe lock: (&mm->mmap_sem){++++++} ... which became RECLAIM_FS-irq-unsafe at: ... [] lockdep_trace_alloc+0x84/0x104 [] kmem_cache_alloc+0x30/0x148 [] mmap_region+0x2fc/0x578 [] do_mmap_pgoff+0x2ec/0x378 [] vm_mmap_pgoff+0x58/0x94 [] load_elf_binary+0x488/0x11f4 [] search_binary_handler+0x98/0x1f4 [] do_execve+0x484/0x580 [] try_to_run_init_process+0x18/0x58 [] kernel_init+0xac/0x110 [] ret_from_kernel_thread+0x5c/0x64 other info that might help us debug this: Possible interrupt unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&mm->mmap_sem); local_irq_disable(); lock(&xfs_dir_ilock_class); lock(&mm->mmap_sem); lock(&xfs_dir_ilock_class); *** DEADLOCK *** 2 locks held by rm/8288: #0: (&type->i_mutex_dir_key#5){+.+.+.}, at: [] iterate_dir+0x3c/0xd0 #1: (&xfs_dir_ilock_class){++++-.}, at: [] xfs_ilock_data_map_shared+0x28/0x70 [....] Christian. [0] http://oss.sgi.com/archives/xfs/2014-02/msg00362.html -- BOFH excuse #354: Chewing gum on /dev/sd3c From sales538@alwinind.cn Fri Apr 25 06:17:13 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: **** X-Spam-Status: No, score=4.4 required=5.0 tests=DATE_IN_PAST_03_06, DEAR_SOMETHING autolearn=no version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 757457F52 for ; Fri, 25 Apr 2014 06:17:13 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id 0C1E8AC006 for ; Fri, 25 Apr 2014 04:17:11 -0700 (PDT) X-ASG-Debug-ID: 1398424625-04bdf05c738f450001-NocioJ Received: from alwinind ([199.192.153.43]) by cuda.sgi.com with SMTP id mDzRBYlzE9zUX3HN for ; Fri, 25 Apr 2014 04:17:06 -0700 (PDT) X-Barracuda-Envelope-From: sales538@alwinind.cn X-Barracuda-Apparent-Source-IP: 199.192.153.43 Received: from vps-30e0c4fbe64 (vps-30e0c4fbe64 [199.192.153.43]) by alwinind ; Fri, 25 Apr 2014 07:23:54 +0800 Message-ID: Date: 25 Apr 2014 7:23:54 From: eastle X-Mailer: PromaSoft AutoResponder Software 2.0034 Reply-To: eastle@foxmail.com X-Priority: 3 (Normal) To: Subject: tyre wheel business MIME-Version: 1.0 X-ASG-Orig-Subj: tyre wheel business Content-type: text/plain; charset="gb2312" Content-Transfer-Encoding: 7bit X-Barracuda-Connect: UNKNOWN[199.192.153.43] X-Barracuda-Start-Time: 1398424626 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 2.38 X-Barracuda-Spam-Status: No, SCORE=2.38 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC5_MJ1963, DATE_IN_PAST_03_06, INVALID_DATE, INVALID_DATE_2, RDNS_NONE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5241 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.01 INVALID_DATE Invalid Date: header (not RFC 2822) 0.01 DATE_IN_PAST_03_06 Date: is 3 to 6 hours before Received: date 0.10 RDNS_NONE Delivered to trusted network by a host with no rDNS 1.76 INVALID_DATE_2 Invalid Date: header (not RFC 2822) 0.50 BSF_SC5_MJ1963 Custom Rule MJ1963 Dear sir,We are China tyres and wheels supplier. 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Please contact us freely if you are interested. eastle@foxmail.com From tinguely@sgi.com Fri Apr 25 08:18:13 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=RP_MATCHES_RCVD autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id C9A157F52 for ; Fri, 25 Apr 2014 08:18:13 -0500 (CDT) Received: from eagdhcp-232-128.americas.sgi.com (eagdhcp-232-128.americas.sgi.com [128.162.232.128]) by relay1.corp.sgi.com (Postfix) with ESMTP id 7392D8F8039; Fri, 25 Apr 2014 06:18:09 -0700 (PDT) Message-ID: <535A6093.8060005@sgi.com> Date: Fri, 25 Apr 2014 08:18:11 -0500 From: Mark Tinguely User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:9.0) Gecko/20120122 Thunderbird/9.0 MIME-Version: 1.0 To: Christoph Hellwig CC: XFS Mailing List Subject: Re: [RFC] libxfs: adding attribute fork frees xfs_inode ptr References: <20140423210034.892939354@sgi.com> <20140423210445.700477624@sgi.com> <20140423222215.GT18672@dastard> <535945DC.6010108@sgi.com> <53597B34.9050407@sgi.com> <20140425054021.GA16132@infradead.org> In-Reply-To: <20140425054021.GA16132@infradead.org> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit On 04/25/14 00:40, Christoph Hellwig wrote: > On Thu, Apr 24, 2014 at 03:59:32PM -0500, Mark Tinguely wrote: >> PS. I may not have been very clear, the libxfs_trans_roll() and >> inode_item_done() also cause a premature libxfs_iput(). >> Let me do more testing making any changes and target this for >> xfsprogs-3.2.1. > > You mean you've fixed the way we handle the attachement of inodes to > transaction in userspace to mirror what we do in kernelspace? I'd love > to review this if you have patches as it's a somewhat of a pain point > to have these work so different in kernel and userspace. > Not yet, I made the changes within the existing code so I can continue with my project. I agree, the user inode transaction code has to be synced with the kernel. I will start looking at it this weekend. --Mark. From sandeen@sandeen.net Fri Apr 25 08:57:56 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 6AD927F52 for ; Fri, 25 Apr 2014 08:57:56 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id E155EAC009 for ; Fri, 25 Apr 2014 06:57:52 -0700 (PDT) X-ASG-Debug-ID: 1398434267-04cb6c2b7a9a810001-NocioJ Received: from sandeen.net (sandeen.net [63.231.237.45]) by cuda.sgi.com with ESMTP id iIDnzMy3mEWPiMCu for ; Fri, 25 Apr 2014 06:57:47 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@sandeen.net X-Barracuda-Apparent-Source-IP: 63.231.237.45 Received: from liberator.sandeen.net (liberator.sandeen.net [10.0.0.4]) (using TLSv1 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (No client certificate requested) by sandeen.net (Postfix) with ESMTPSA id 61EED63C5FF0; Fri, 25 Apr 2014 08:57:47 -0500 (CDT) Message-ID: <535A69E0.80900@sandeen.net> Date: Fri, 25 Apr 2014 08:57:52 -0500 From: Eric Sandeen User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:24.0) Gecko/20100101 Thunderbird/24.4.0 MIME-Version: 1.0 To: Christoph Hellwig , Eric Sandeen CC: ext4 development , Theodore Tso , xfs-oss Subject: Re: [PATCH] xfstests: introduce FSX_AVOID env var References: <5355478C.8070905@redhat.com> <20140425063153.GC27527@infradead.org> X-ASG-Orig-Subj: Re: [PATCH] xfstests: introduce FSX_AVOID env var In-Reply-To: <20140425063153.GC27527@infradead.org> X-Enigmail-Version: 1.6 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Barracuda-Connect: sandeen.net[63.231.237.45] X-Barracuda-Start-Time: 1398434267 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5243 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On 4/25/14, 1:31 AM, Christoph Hellwig wrote: > On Mon, Apr 21, 2014 at 11:30:04AM -0500, Eric Sandeen wrote: >> Just like FSSTRESS_AVOID, FSX_AVOID can be used to add >> options at the end of the default fsx runs in each test. >> i.e. FSX_AVOID="-H -z -C" will disable punch hole, zero range, >> and collapse range calls in all tests which run fsx. >> >> This should handle Ted's concerns about buggy ext4 fallocate >> code without needing to add tunables to the kernel to reject >> these operations during xfstests runs. > > I would much prefer to add a little _run_fsx helper to encapsulate this. > Dave already merged it, but yeah, that's a good idea, for fsx as well as fsstress. -Eric From jean-louis.masson@univ-fcomte.fr Fri Apr 25 13:16:29 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=HTML_MESSAGE autolearn=unavailable version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 9FA0D7F3F for ; 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------=_Part_739543_426762124.1398449710034-- From sandeen@redhat.com Fri Apr 25 14:42:30 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 613537F3F for ; Fri, 25 Apr 2014 14:42:30 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id DDC77AC007 for ; Fri, 25 Apr 2014 12:42:26 -0700 (PDT) X-ASG-Debug-ID: 1398454942-04cbb04b91b7a50001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id GeNCsE0UXprlfyZv for ; Fri, 25 Apr 2014 12:42:22 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3PJgMW4015148 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Fri, 25 Apr 2014 15:42:22 -0400 Received: from liberator.sandeen.net (ovpn01.gateway.prod.ext.phx2.redhat.com [10.5.9.1]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s3PJgLv8007209 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES128-SHA bits=128 verify=NO) for ; Fri, 25 Apr 2014 15:42:22 -0400 Message-ID: <535ABA9D.2060305@redhat.com> Date: Fri, 25 Apr 2014 14:42:21 -0500 From: Eric Sandeen User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:24.0) Gecko/20100101 Thunderbird/24.4.0 MIME-Version: 1.0 To: xfs-oss Subject: [PATCH, RFC] xfs: add heuristic to flush on rename X-Enigmail-Version: 1.6 X-ASG-Orig-Subj: [PATCH, RFC] xfs: add heuristic to flush on rename Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1398454942 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 Add a heuristic to flush data to a file which looks like it's going through a tmpfile/rename dance, but not fsynced. I had a report of a system with many 0-length files after package updates; as it turns out, the user had basically done 'yum update' and punched the power button when it was done. Granted, the admin should not do this. Granted, the package manager should ensure persistence of files it updated. Ext4, however, added a heuristic like this for just this case; someone who writes file.tmp, then renames over file, but never issues an fsync. Now, this does smack of O_PONIES, but I would hope that it's fairly benign. If someone already synced the tmpfile, it's a no-op. And it's not THAT far off our "flush on close if the file was truncated" heuristic. Comments? Flames? Testing anyone would like to see? Signed-off-by: Eric Sandeen --- diff --git a/fs/xfs/xfs_iops.c b/fs/xfs/xfs_iops.c index ef1ca01..5c95ef5 100644 --- a/fs/xfs/xfs_iops.c +++ b/fs/xfs/xfs_iops.c @@ -371,6 +371,19 @@ xfs_vn_rename( xfs_dentry_to_name(&oname, odentry, 0); xfs_dentry_to_name(&nname, ndentry, odentry->d_inode->i_mode); + /* + * If we are renaming a just-written file over an existing + * file, be pedantic and flush it out if it looks like somebody + * is doing a tmpfile dance, and didn't fsync. Best effort; + * ignore errors. + */ + if (new_inode) { + xfs_inode_t *ip = XFS_I(odentry->d_inode); + + if (VN_DIRTY(VFS_I(ip)) && ip->i_delayed_blks > 0) + filemap_flush(new_inode->i_mapping); + } + return -xfs_rename(XFS_I(odir), &oname, XFS_I(odentry->d_inode), XFS_I(ndir), &nname, new_inode ? XFS_I(new_inode) : NULL); From BATV+ae6779add425ac9710ac+3897+infradead.org+hch@bombadil.srs.infradead.org Fri Apr 25 14:55:32 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 156057F4E for ; Fri, 25 Apr 2014 14:55:32 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 9158BAC001 for ; Fri, 25 Apr 2014 12:55:31 -0700 (PDT) X-ASG-Debug-ID: 1398455728-04cbb04b90b8d60001-NocioJ Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) by cuda.sgi.com with ESMTP id wqy2Ebu54PqEeIlL (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Fri, 25 Apr 2014 12:55:28 -0700 (PDT) X-Barracuda-Envelope-From: BATV+ae6779add425ac9710ac+3897+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.80.1 #2 (Red Hat Linux)) id 1WdmDY-00016i-HZ; Fri, 25 Apr 2014 19:55:28 +0000 Date: Fri, 25 Apr 2014 12:55:28 -0700 From: Christoph Hellwig To: Eric Sandeen Cc: xfs-oss Subject: Re: [PATCH, RFC] xfs: add heuristic to flush on rename Message-ID: <20140425195528.GA16567@infradead.org> X-ASG-Orig-Subj: Re: [PATCH, RFC] xfs: add heuristic to flush on rename References: <535ABA9D.2060305@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <535ABA9D.2060305@redhat.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html X-Barracuda-Connect: bombadil.infradead.org[198.137.202.9] X-Barracuda-Start-Time: 1398455728 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.60 X-Barracuda-Spam-Status: No, SCORE=0.60 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=COMMA_SUBJECT X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5252 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.60 COMMA_SUBJECT Subject is like 'Re: FDSDS, this is a subject' > + /* > + * If we are renaming a just-written file over an existing > + * file, be pedantic and flush it out if it looks like somebody > + * is doing a tmpfile dance, and didn't fsync. Best effort; > + * ignore errors. > + */ > + if (new_inode) { > + xfs_inode_t *ip = XFS_I(odentry->d_inode); > + > + if (VN_DIRTY(VFS_I(ip)) && ip->i_delayed_blks > 0) > + filemap_flush(new_inode->i_mapping); > + } IFF we want a heuristic it should be a proper filemap_write_and_wait. a non-blocking start of I/O without waiting for it is snake oil. From sandeen@redhat.com Fri Apr 25 14:59:51 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 2129A7F3F for ; Fri, 25 Apr 2014 14:59:51 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 101928F8039 for ; Fri, 25 Apr 2014 12:59:47 -0700 (PDT) X-ASG-Debug-ID: 1398455986-04cbb04b93b93a0001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id tBVyQ4ILLG8L2E6h for ; Fri, 25 Apr 2014 12:59:47 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx13.intmail.prod.int.phx2.redhat.com (int-mx13.intmail.prod.int.phx2.redhat.com [10.5.11.26]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3PJxQjE030891 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 25 Apr 2014 15:59:26 -0400 Received: from liberator.sandeen.net (ovpn01.gateway.prod.ext.phx2.redhat.com [10.5.9.1]) by int-mx13.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s3PJxOC7008419 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES128-SHA bits=128 verify=NO); Fri, 25 Apr 2014 15:59:25 -0400 Message-ID: <535ABE9D.8070404@redhat.com> Date: Fri, 25 Apr 2014 14:59:25 -0500 From: Eric Sandeen User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:24.0) Gecko/20100101 Thunderbird/24.4.0 MIME-Version: 1.0 To: Christoph Hellwig CC: xfs-oss Subject: Re: [PATCH, RFC] xfs: add heuristic to flush on rename References: <535ABA9D.2060305@redhat.com> <20140425195528.GA16567@infradead.org> X-ASG-Orig-Subj: Re: [PATCH, RFC] xfs: add heuristic to flush on rename In-Reply-To: <20140425195528.GA16567@infradead.org> X-Enigmail-Version: 1.6 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Scanned-By: MIMEDefang 2.68 on 10.5.11.26 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1398455987 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On 4/25/14, 2:55 PM, Christoph Hellwig wrote: >> + /* >> + * If we are renaming a just-written file over an existing >> + * file, be pedantic and flush it out if it looks like somebody >> + * is doing a tmpfile dance, and didn't fsync. Best effort; >> + * ignore errors. >> + */ >> + if (new_inode) { >> + xfs_inode_t *ip = XFS_I(odentry->d_inode); >> + >> + if (VN_DIRTY(VFS_I(ip)) && ip->i_delayed_blks > 0) >> + filemap_flush(new_inode->i_mapping); >> + } > > IFF we want a heuristic it should be a proper filemap_write_and_wait. a > non-blocking start of I/O without waiting for it is snake oil. Hi Christoph - It's the same thing we do on truncated and written files, FWIW: truncated = xfs_iflags_test_and_clear(ip, XFS_ITRUNCATED); if (truncated) { xfs_iflags_clear(ip, XFS_IDIRTY_RELEASE); if (VN_DIRTY(VFS_I(ip)) && ip->i_delayed_blks > 0) { error = -filemap_flush(VFS_I(ip)->i_mapping); if (error) return error; } } and that's served us pretty well in the past years. I don't know if we're looking for rock-solid guarantees, or just do a little to try to save the user from themselves... blocking would make this a lot more heavyweight I suppose. Just depends on what we are willing / trying to do. thanks, -Eric From sandeen@sandeen.net Fri Apr 25 15:00:52 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id C72357F3F for ; Fri, 25 Apr 2014 15:00:52 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id 974CE8F8039 for ; Fri, 25 Apr 2014 13:00:52 -0700 (PDT) X-ASG-Debug-ID: 1398456050-04bdf05c73bf250001-NocioJ Received: from sandeen.net (sandeen.net [63.231.237.45]) by cuda.sgi.com with ESMTP id ubinRIswUJwTRgPH for ; Fri, 25 Apr 2014 13:00:50 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@sandeen.net X-Barracuda-Apparent-Source-IP: 63.231.237.45 Received: from liberator.sandeen.net (liberator.sandeen.net [10.0.0.4]) (using TLSv1 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (No client certificate requested) by sandeen.net (Postfix) with ESMTPSA id B441863C5FF0; Fri, 25 Apr 2014 15:00:49 -0500 (CDT) Message-ID: <535ABEF2.80003@sandeen.net> Date: Fri, 25 Apr 2014 15:00:50 -0500 From: Eric Sandeen User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:24.0) Gecko/20100101 Thunderbird/24.4.0 MIME-Version: 1.0 To: Eric Sandeen , xfs-oss Subject: Re: [PATCH, RFC] xfs: add heuristic to flush on rename References: <535ABA9D.2060305@redhat.com> X-ASG-Orig-Subj: Re: [PATCH, RFC] xfs: add heuristic to flush on rename In-Reply-To: <535ABA9D.2060305@redhat.com> X-Enigmail-Version: 1.6 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Barracuda-Connect: sandeen.net[63.231.237.45] X-Barracuda-Start-Time: 1398456050 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.60 X-Barracuda-Spam-Status: No, SCORE=0.60 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=COMMA_SUBJECT X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5252 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.60 COMMA_SUBJECT Subject is like 'Re: FDSDS, this is a subject' On 4/25/14, 2:42 PM, Eric Sandeen wrote: > Add a heuristic to flush data to a file which looks like it's > going through a tmpfile/rename dance, but not fsynced. > > I had a report of a system with many 0-length files after > package updates; as it turns out, the user had basically > done 'yum update' and punched the power button when it was > done. > > Granted, the admin should not do this. Granted, the package > manager should ensure persistence of files it updated. > > Ext4, however, added a heuristic like this for just this case; > someone who writes file.tmp, then renames over file, but > never issues an fsync. > > Now, this does smack of O_PONIES, but I would hope that it's > fairly benign. If someone already synced the tmpfile, it's > a no-op. > > And it's not THAT far off our "flush on close if the file was > truncated" heuristic. > > Comments? Flames? Testing anyone would like to see? > > Signed-off-by: Eric Sandeen > --- > > diff --git a/fs/xfs/xfs_iops.c b/fs/xfs/xfs_iops.c > index ef1ca01..5c95ef5 100644 > --- a/fs/xfs/xfs_iops.c > +++ b/fs/xfs/xfs_iops.c > @@ -371,6 +371,19 @@ xfs_vn_rename( > xfs_dentry_to_name(&oname, odentry, 0); > xfs_dentry_to_name(&nname, ndentry, odentry->d_inode->i_mode); > > + /* > + * If we are renaming a just-written file over an existing > + * file, be pedantic and flush it out if it looks like somebody > + * is doing a tmpfile dance, and didn't fsync. Best effort; > + * ignore errors. > + */ > + if (new_inode) { > + xfs_inode_t *ip = XFS_I(odentry->d_inode); > + > + if (VN_DIRTY(VFS_I(ip)) && ip->i_delayed_blks > 0) > + filemap_flush(new_inode->i_mapping); Uhhh I flushed the wrong inode (thanks Brian!) but you get the idea ;) should be: + filemap_flush(odentry->d_inode->i_mapping); -Eric > + } > + > return -xfs_rename(XFS_I(odir), &oname, XFS_I(odentry->d_inode), > XFS_I(ndir), &nname, new_inode ? > XFS_I(new_inode) : NULL); > > _______________________________________________ > xfs mailing list > xfs@oss.sgi.com > http://oss.sgi.com/mailman/listinfo/xfs > From felipemonteiro.carvalho@gmail.com Fri Apr 25 16:51:43 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=FREEMAIL_FROM,T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id E8CEB7F3F for ; Fri, 25 Apr 2014 16:51:43 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id CB02E8F8037 for ; Fri, 25 Apr 2014 14:51:40 -0700 (PDT) X-ASG-Debug-ID: 1398462699-04cb6c2b7ac4480001-NocioJ Received: from mail-pd0-f179.google.com (mail-pd0-f179.google.com [209.85.192.179]) by cuda.sgi.com with ESMTP id voADhdMA4ZBFerBX (version=TLSv1 cipher=RC4-SHA bits=128 verify=NO) for ; Fri, 25 Apr 2014 14:51:39 -0700 (PDT) X-Barracuda-Envelope-From: felipemonteiro.carvalho@gmail.com X-Barracuda-RBL-Trusted-Forwarder: 209.85.192.179 Received: by mail-pd0-f179.google.com with SMTP id g10so3585144pdj.10 for ; Fri, 25 Apr 2014 14:51:38 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=9dTbIDVvP3FFdQMSIV8aqdc7IC6QBVJ9sbt8oM6jztY=; b=VNUG07Oey4dFgucCbYRRO8H/fkrkfiHDPafi8knSRkSleMALZzaNq7cruoNTBOUz+P 41q3+XIbGgzGplCgfaSMZYUybRB6LwX09fsKglgllYlPyI5jjU2ROS6xCgs/bhuXtJiT PqMD3ybwqdwi+cIrrsY+dToeCPVUbV5ZAUFku8LLNyk176j+tgt5/5wZalYTDRRPTbPg Pe5b082NwX4b3bCrjt8aq6wRRgwkJc9BWXPYRA1vAWxeE9wCS3bTNeX3cR8kLSr2Ljrg d2sKFqbJD59hl1+4zsOQ1N7UtjydRz8+UjUKq1IFeUMGP5WTP5N9vWnOyS7Tk3jjagZ5 j2yA== X-Barracuda-BBL-IP: nil MIME-Version: 1.0 X-Received: by 10.66.144.102 with SMTP id sl6mr10486516pab.96.1398462698639; Fri, 25 Apr 2014 14:51:38 -0700 (PDT) Received: by 10.66.12.69 with HTTP; Fri, 25 Apr 2014 14:51:38 -0700 (PDT) In-Reply-To: <5359912A.70603@sandeen.net> References: <5359912A.70603@sandeen.net> Date: Fri, 25 Apr 2014 18:51:38 -0300 Message-ID: Subject: Re: How to find the inodes in XFS From: Felipe Monteiro de Carvalho X-ASG-Orig-Subj: Re: How to find the inodes in XFS To: Eric Sandeen Cc: xfs@oss.sgi.com Content-Type: text/plain; charset=UTF-8 X-Barracuda-Connect: mail-pd0-f179.google.com[209.85.192.179] X-Barracuda-Start-Time: 1398462699 X-Barracuda-Encrypted: RC4-SHA X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-BRTS-Evidence: dubeyko.com X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=DKIM_SIGNED, DKIM_VERIFIED X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5253 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- -0.00 DKIM_VERIFIED Domain Keys Identified Mail: signature passes verification 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature Thanks a lot! That's really helpful =) Unfortunately something is going wrong here, and the implementation of XFS_INO_TO_FSB is quite intrincated, enough that it is hard to be sure what is wrong here ... I am trying to resolve the location of the root inode, which has number 128, but my XFS_INO_TO_FSB call is resolving to $80000 which is not an inode. XFS_INO_AGINO_BITS returns m_agino_log which is defined as sb_inopblog + sb_agblklog. Both are zero here, so this whole part resolves to zero. About sb_agcount I read and reread the code and it is really hard to figure what number it should have in this part of the code, but in my superblock it comes with value 4, so I am using this. XFS_INO_TO_AGNO = (i) shr XFS_INO_AGINO_BITS, with i (inode nr) =128 shr 0 = so this part resolves to 128 XFS_INO_TO_AGBNO = (i shr XFS_INO_OFFSET_BITS(m_sb)) and XFS_INO_MASK(XFS_INO_AGBNO_BITS(m_sb)); XFS_INO_OFFSET_BITS = sb_inopblog which is 0 in my partition XFS_INO_AGBNO_BITS = sb_agblklog which is 0 in my partition XFS_INO_MASK = (1 shl k) - 1; with k=0 it resolves to 0 #define XFS_INO_TO_AGBNO(mp,i) \ (((xfs_agblock_t)(i) >> XFS_INO_OFFSET_BITS(mp)) & \ XFS_INO_MASK(XFS_INO_AGBNO_BITS(mp))) With i=128 >> 0 we get 0, but then we have & 0, so this whole part resolves to zero So now we are left with XFS_AGB_TO_FSB(mp, 128, 0) #define XFS_AGB_TO_FSB(mp,agno,agbno) \ (((xfs_fsblock_t)(agno) << (mp)->m_sb.sb_agblklog) | (agbno)) Which resolves to 128 because 128 << 0 | 0 = 128 So I calculate 128 * block_size, I have a blocksize of $1000 in my supernode, so that's how I arrived at $80000 But looking inside my partition I'm pretty sure that $80000 is not an inode.... Any ideas where I got things wrong?? =( I've been trying for hours to figure where I got things wrong but no ideas yet =/ I can post my superblock content here if it would be helpful. thanks again =) Felipe Monteiro de Carvalho On Thu, Apr 24, 2014 at 7:33 PM, Eric Sandeen wrote: > On 4/24/14, 5:09 PM, Felipe Monteiro de Carvalho wrote: >> Hello, >> >> I am writing an application which reads XFS partitions, so I am trying >> to understand the internal working of XFS. I read the documentation >> here: http://www.dubeyko.com/development/FileSystems/XFS/xfs_filesystem_structure.pdf >> >> But I am stuck at a particular point. To get to the inodes I see that >> I should first read xfs_agi_t, no problem here, then its root field >> points to a block which contains xfs_inobt_block_t + a sequence of >> xfs_inobt_rec_t records and those records are supposed to show me >> where the inodes are, but there is no field in xfs_inobt_rec_t such as >> a block number =( Any idea how to get then the physical position in >> the disk where the inodes are from xfs_inobt_block_t + a sequence of >> xfs_inobt_rec_t? > > The inode's location is encoded in its inode number. > > See for example: > > > /* > * Inode number format: > * low inopblog bits - offset in block > * next agblklog bits - block number in ag > * next agno_log bits - ag number > * high agno_log-agblklog-inopblog bits - 0 > */ > > > #define XFS_INO_TO_FSB(mp,i) \ > XFS_AGB_TO_FSB(mp, XFS_INO_TO_AGNO(mp,i), XFS_INO_TO_AGBNO(mp,i)) > > -Eric > >> thanks, >> > -- Felipe Monteiro de Carvalho From david@fromorbit.com Fri Apr 25 17:04:30 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 5FFD37F3F for ; Fri, 25 Apr 2014 17:04:30 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id 29C3E304062 for ; Fri, 25 Apr 2014 15:04:27 -0700 (PDT) X-ASG-Debug-ID: 1398463461-04bdf05c74c8290001-NocioJ Received: from ipmail06.adl6.internode.on.net (ipmail06.adl6.internode.on.net [150.101.137.145]) by cuda.sgi.com with ESMTP id bMm1x53HoaXxg4Yl for ; Fri, 25 Apr 2014 15:04:22 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.145 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AqpjACrbWlN5LEcvPGdsb2JhbABZgwaIRKMPlBSFYIEUFwMBAQEBODWCJQEBBTocIxAIAw4HAwklDwUlAwcaE4hAyk0XFoVEiH8HhDkEmQSWICs Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail06.adl6.internode.on.net with ESMTP; 26 Apr 2014 07:34:20 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WdoEE-00053V-Ri; Sat, 26 Apr 2014 08:04:18 +1000 Date: Sat, 26 Apr 2014 08:04:18 +1000 From: Dave Chinner To: Christoph Hellwig Cc: xfs@oss.sgi.com Subject: Re: [3.15-rc4 PATCH] xfs: fully support v5 format filesystems Message-ID: <20140425220418.GW18672@dastard> X-ASG-Orig-Subj: Re: [3.15-rc4 PATCH] xfs: fully support v5 format filesystems References: <1398324998-2592-1-git-send-email-david@fromorbit.com> <20140425063000.GA27527@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140425063000.GA27527@infradead.org> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail06.adl6.internode.on.net[150.101.137.145] X-Barracuda-Start-Time: 1398463462 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5254 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Thu, Apr 24, 2014 at 11:30:00PM -0700, Christoph Hellwig wrote: > On Thu, Apr 24, 2014 at 05:36:38PM +1000, Dave Chinner wrote: > > From: Dave Chinner > > > > We have had this code in the kernel for over a year now and have > > shaken all the known issues out of the code over the past few > > releases. It's now time to remove the experimental warnings during > > mount and fully support the new filesystem format in production > > systems. > > Shouldn't we wait until the xfsprogs 3.2.0 release before this? I'm expecting that 3.2.0 will release at the same time as 3.15, hence this needs to go upstream before the release to co-ordinate that. Cheers, Dave. -- Dave Chinner david@fromorbit.com From sandeen@sandeen.net Fri Apr 25 17:29:00 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 696277F3F for ; Fri, 25 Apr 2014 17:29:00 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id D9AD5AC002 for ; Fri, 25 Apr 2014 15:28:59 -0700 (PDT) X-ASG-Debug-ID: 1398464925-04cbb03cc4017b0001-NocioJ Received: from sandeen.net (sandeen.net [63.231.237.45]) by cuda.sgi.com with ESMTP id HL0X9jjOWAiPhQ6e for ; Fri, 25 Apr 2014 15:28:45 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@sandeen.net X-Barracuda-Apparent-Source-IP: 63.231.237.45 Received: from liberator.sandeen.net (liberator.sandeen.net [10.0.0.4]) (using TLSv1 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (No client certificate requested) by sandeen.net (Postfix) with ESMTPSA id 7A8D763C5FF0; Fri, 25 Apr 2014 17:28:45 -0500 (CDT) Message-ID: <535AE19D.8@sandeen.net> Date: Fri, 25 Apr 2014 17:28:45 -0500 From: Eric Sandeen User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:24.0) Gecko/20100101 Thunderbird/24.4.0 MIME-Version: 1.0 To: Felipe Monteiro de Carvalho CC: xfs@oss.sgi.com Subject: Re: How to find the inodes in XFS References: <5359912A.70603@sandeen.net> X-ASG-Orig-Subj: Re: How to find the inodes in XFS In-Reply-To: X-Enigmail-Version: 1.6 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Barracuda-Connect: sandeen.net[63.231.237.45] X-Barracuda-Start-Time: 1398464925 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Barracuda-BRTS-Status: 1 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5254 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On 4/25/14, 4:51 PM, Felipe Monteiro de Carvalho wrote: > Thanks a lot! That's really helpful =) > > Unfortunately something is going wrong here, and the implementation of > XFS_INO_TO_FSB is quite intrincated, enough that it is hard to be sure > what is wrong here ... I am trying to resolve the location of the root > inode, which has number 128, but my XFS_INO_TO_FSB call is resolving > to $80000 which is not an inode. Then perhaps you have mp set up wrong? Or maybe it's an endian isue? If I stuff: printf("%lld\n", XFS_INO_TO_FSB(mp, 128)); into, say, xfs_repair where we have a valid mp, I get "8" And xfs_db agrees: xfs_db> inode 128 xfs_db> fsblock current fsblock is 8 xfs_db> > XFS_INO_AGINO_BITS returns m_agino_log which is defined as sb_inopblog > + sb_agblklog. Both are zero here, so this whole part resolves to > zero. 0, really? __uint16_t sb_inopblock; /* inodes per block */ __uint8_t sb_inopblog; /* log2 of sb_inopblock */ Even with maximally-sized inodes at 2k, sb_inopblog would be 1. > About sb_agcount I read and reread the code and it is really hard to > figure what number it should have in this part of the code, but in my > superblock it comes with value 4, so I am using this. > > XFS_INO_TO_AGNO = (i) shr XFS_INO_AGINO_BITS, with i (inode nr) =128 > shr 0 = so this part resolves to 128 > > XFS_INO_TO_AGBNO = (i shr XFS_INO_OFFSET_BITS(m_sb)) and > XFS_INO_MASK(XFS_INO_AGBNO_BITS(m_sb)); > > XFS_INO_OFFSET_BITS = sb_inopblog which is 0 in my partition > > XFS_INO_AGBNO_BITS = sb_agblklog which is 0 in my partition That doesn't sound right: xfs_db> sb 0 xfs_db> p inopblog inopblog = 4 xfs_db> p agblklog agblklog = 20 xfs_db> -Eric > XFS_INO_MASK = (1 shl k) - 1; with k=0 it resolves to 0 > > #define XFS_INO_TO_AGBNO(mp,i) \ > (((xfs_agblock_t)(i) >> XFS_INO_OFFSET_BITS(mp)) & \ > XFS_INO_MASK(XFS_INO_AGBNO_BITS(mp))) > > With i=128 >> 0 we get 0, but then we have & 0, so this whole part > resolves to zero > > So now we are left with XFS_AGB_TO_FSB(mp, 128, 0) > > #define XFS_AGB_TO_FSB(mp,agno,agbno) \ > (((xfs_fsblock_t)(agno) << (mp)->m_sb.sb_agblklog) | (agbno)) > > Which resolves to 128 because 128 << 0 | 0 = 128 > > So I calculate 128 * block_size, I have a blocksize of $1000 in my > supernode, so that's how I arrived at $80000 > > But looking inside my partition I'm pretty sure that $80000 is not an inode.... > > Any ideas where I got things wrong?? =( I've been trying for hours to > figure where I got things wrong but no ideas yet =/ > > I can post my superblock content here if it would be helpful. > > thanks again =) > > Felipe Monteiro de Carvalho > > On Thu, Apr 24, 2014 at 7:33 PM, Eric Sandeen wrote: >> On 4/24/14, 5:09 PM, Felipe Monteiro de Carvalho wrote: >>> Hello, >>> >>> I am writing an application which reads XFS partitions, so I am trying >>> to understand the internal working of XFS. I read the documentation >>> here: http://www.dubeyko.com/development/FileSystems/XFS/xfs_filesystem_structure.pdf >>> >>> But I am stuck at a particular point. To get to the inodes I see that >>> I should first read xfs_agi_t, no problem here, then its root field >>> points to a block which contains xfs_inobt_block_t + a sequence of >>> xfs_inobt_rec_t records and those records are supposed to show me >>> where the inodes are, but there is no field in xfs_inobt_rec_t such as >>> a block number =( Any idea how to get then the physical position in >>> the disk where the inodes are from xfs_inobt_block_t + a sequence of >>> xfs_inobt_rec_t? >> >> The inode's location is encoded in its inode number. >> >> See for example: >> >> >> /* >> * Inode number format: >> * low inopblog bits - offset in block >> * next agblklog bits - block number in ag >> * next agno_log bits - ag number >> * high agno_log-agblklog-inopblog bits - 0 >> */ >> >> >> #define XFS_INO_TO_FSB(mp,i) \ >> XFS_AGB_TO_FSB(mp, XFS_INO_TO_AGNO(mp,i), XFS_INO_TO_AGBNO(mp,i)) >> >> -Eric >> >>> thanks, >>> >> > > > From felipemonteiro.carvalho@gmail.com Fri Apr 25 21:21:49 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=FREEMAIL_FROM,T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 38F9A7F3F for ; Fri, 25 Apr 2014 21:21:49 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id 1E8188F8049 for ; Fri, 25 Apr 2014 19:21:49 -0700 (PDT) X-ASG-Debug-ID: 1398478906-04bdf02b8b0d000001-NocioJ Received: from mail-qc0-f169.google.com (mail-qc0-f169.google.com [209.85.216.169]) by cuda.sgi.com with ESMTP id WvcvLAcbAWC9IVI2 (version=TLSv1 cipher=RC4-SHA bits=128 verify=NO) for ; Fri, 25 Apr 2014 19:21:47 -0700 (PDT) X-Barracuda-Envelope-From: felipemonteiro.carvalho@gmail.com X-Barracuda-Apparent-Source-IP: 209.85.216.169 X-Barracuda-IPDD: Level1 [gmail.com/209.85.216.169] Received: by mail-qc0-f169.google.com with SMTP id i17so4886739qcy.28 for ; Fri, 25 Apr 2014 19:21:46 -0700 (PDT) X-Barracuda-IPDD: Level1 [gmail.com/209.85.216.169] X-Barracuda-IPDD: Level1 [gmail.com/209.85.216.169] DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=faJSs2er6RljZxQ9Wgqe3MmAu4W/Kimy8hU1nCI6w14=; b=0G6RvIlD2HYG2QDKKkW6Dxhfekz2EJudlygnOs3i9oijaQoTgNjo1A4jE4MK2qonAB t6jSx4c+nkLADw4Cw6GltwXwv4XN6WnuHACLh++seWWUyc7ClB2Nk7d+4GEPoUan4MYk mLdDSCitCUgP2NxIQXlTvLGZ9JTecAYRKVzTkl1p9fXyCXU6UVLM1rPNytln42QkyF0U KG5jo+jCCHEiTxfXeOs6dNZ/3aCu6wNPRKI8iCamGI/ZV4V/nfx1/GJxlduWbsH2zKtC vMJZVYIxADEzAAz9sElFkv9tIIJ0VZyPmE7GYRn7d6xjQjjooqxf2IzfBlAzKxi+UCHw D6jg== MIME-Version: 1.0 X-Received: by 10.140.38.18 with SMTP id s18mr6845755qgs.88.1398478906473; Fri, 25 Apr 2014 19:21:46 -0700 (PDT) Received: by 10.140.84.203 with HTTP; Fri, 25 Apr 2014 19:21:46 -0700 (PDT) In-Reply-To: <535AE19D.8@sandeen.net> References: <5359912A.70603@sandeen.net> <535AE19D.8@sandeen.net> Date: Fri, 25 Apr 2014 23:21:46 -0300 Message-ID: Subject: Re: How to find the inodes in XFS From: Felipe Monteiro de Carvalho X-ASG-Orig-Subj: Re: How to find the inodes in XFS To: Eric Sandeen Cc: xfs@oss.sgi.com Content-Type: text/plain; charset=UTF-8 X-Barracuda-Connect: mail-qc0-f169.google.com[209.85.216.169] X-Barracuda-Start-Time: 1398478907 X-Barracuda-Encrypted: RC4-SHA X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=DKIM_SIGNED, DKIM_VERIFIED X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5258 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- -0.00 DKIM_VERIFIED Domain Keys Identified Mail: signature passes verification 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature Hello, Thanks a lot! Based on your tips I found the issue and now it is working =) My failure was trying to convert sb_inopblog and other log2 values from big endian to native endian .... it utilized a 16-bit routine swapping routine, and when assigning back the value it would cut the higher bits ... leaving zero =o Of course 8-bit values don't need endian conversion, so just removing that fixed the issue =) thanks, Felipe Monteiro de Carvalho On Fri, Apr 25, 2014 at 7:28 PM, Eric Sandeen wrote: > On 4/25/14, 4:51 PM, Felipe Monteiro de Carvalho wrote: >> Thanks a lot! That's really helpful =) >> >> Unfortunately something is going wrong here, and the implementation of >> XFS_INO_TO_FSB is quite intrincated, enough that it is hard to be sure >> what is wrong here ... I am trying to resolve the location of the root >> inode, which has number 128, but my XFS_INO_TO_FSB call is resolving >> to $80000 which is not an inode. > > Then perhaps you have mp set up wrong? Or maybe it's an endian isue? > > If I stuff: > > printf("%lld\n", XFS_INO_TO_FSB(mp, 128)); > > into, say, xfs_repair where we have a valid mp, I get "8" > > And xfs_db agrees: > > xfs_db> inode 128 > xfs_db> fsblock > current fsblock is 8 > xfs_db> > > >> XFS_INO_AGINO_BITS returns m_agino_log which is defined as sb_inopblog >> + sb_agblklog. Both are zero here, so this whole part resolves to >> zero. > > 0, really? > > __uint16_t sb_inopblock; /* inodes per block */ > __uint8_t sb_inopblog; /* log2 of sb_inopblock */ > > Even with maximally-sized inodes at 2k, sb_inopblog would be 1. > > >> About sb_agcount I read and reread the code and it is really hard to >> figure what number it should have in this part of the code, but in my >> superblock it comes with value 4, so I am using this. >> >> XFS_INO_TO_AGNO = (i) shr XFS_INO_AGINO_BITS, with i (inode nr) =128 >> shr 0 = so this part resolves to 128 >> >> XFS_INO_TO_AGBNO = (i shr XFS_INO_OFFSET_BITS(m_sb)) and >> XFS_INO_MASK(XFS_INO_AGBNO_BITS(m_sb)); >> >> XFS_INO_OFFSET_BITS = sb_inopblog which is 0 in my partition >> >> XFS_INO_AGBNO_BITS = sb_agblklog which is 0 in my partition > > That doesn't sound right: > > xfs_db> sb 0 > xfs_db> p inopblog > inopblog = 4 > xfs_db> p agblklog > agblklog = 20 > xfs_db> > > -Eric > > >> XFS_INO_MASK = (1 shl k) - 1; with k=0 it resolves to 0 >> >> #define XFS_INO_TO_AGBNO(mp,i) \ >> (((xfs_agblock_t)(i) >> XFS_INO_OFFSET_BITS(mp)) & \ >> XFS_INO_MASK(XFS_INO_AGBNO_BITS(mp))) >> >> With i=128 >> 0 we get 0, but then we have & 0, so this whole part >> resolves to zero >> >> So now we are left with XFS_AGB_TO_FSB(mp, 128, 0) >> >> #define XFS_AGB_TO_FSB(mp,agno,agbno) \ >> (((xfs_fsblock_t)(agno) << (mp)->m_sb.sb_agblklog) | (agbno)) >> >> Which resolves to 128 because 128 << 0 | 0 = 128 >> >> So I calculate 128 * block_size, I have a blocksize of $1000 in my >> supernode, so that's how I arrived at $80000 >> >> But looking inside my partition I'm pretty sure that $80000 is not an inode.... >> >> Any ideas where I got things wrong?? =( I've been trying for hours to >> figure where I got things wrong but no ideas yet =/ >> >> I can post my superblock content here if it would be helpful. >> >> thanks again =) >> >> Felipe Monteiro de Carvalho >> >> On Thu, Apr 24, 2014 at 7:33 PM, Eric Sandeen wrote: >>> On 4/24/14, 5:09 PM, Felipe Monteiro de Carvalho wrote: >>>> Hello, >>>> >>>> I am writing an application which reads XFS partitions, so I am trying >>>> to understand the internal working of XFS. I read the documentation >>>> here: http://www.dubeyko.com/development/FileSystems/XFS/xfs_filesystem_structure.pdf >>>> >>>> But I am stuck at a particular point. To get to the inodes I see that >>>> I should first read xfs_agi_t, no problem here, then its root field >>>> points to a block which contains xfs_inobt_block_t + a sequence of >>>> xfs_inobt_rec_t records and those records are supposed to show me >>>> where the inodes are, but there is no field in xfs_inobt_rec_t such as >>>> a block number =( Any idea how to get then the physical position in >>>> the disk where the inodes are from xfs_inobt_block_t + a sequence of >>>> xfs_inobt_rec_t? >>> >>> The inode's location is encoded in its inode number. >>> >>> See for example: >>> >>> >>> /* >>> * Inode number format: >>> * low inopblog bits - offset in block >>> * next agblklog bits - block number in ag >>> * next agno_log bits - ag number >>> * high agno_log-agblklog-inopblog bits - 0 >>> */ >>> >>> >>> #define XFS_INO_TO_FSB(mp,i) \ >>> XFS_AGB_TO_FSB(mp, XFS_INO_TO_AGNO(mp,i), XFS_INO_TO_AGBNO(mp,i)) >>> >>> -Eric >>> >>>> thanks, >>>> >>> >> >> >> > -- Felipe Monteiro de Carvalho From johan.hagborg@psy.gu.se Sat Apr 26 03:41:16 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=HTML_MESSAGE autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id A2D7C7F3F for ; Sat, 26 Apr 2014 03:41:16 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 30904AC001 for ; Sat, 26 Apr 2014 01:41:16 -0700 (PDT) X-ASG-Debug-ID: 1398501673-04cbb03cc621db0001-NocioJ Received: from ironportin-vas-2.it.gu.se (ironportin-vas-2.it.gu.se [130.241.151.183]) by cuda.sgi.com with ESMTP id dRmniB7DWsbfbHmv for ; Sat, 26 Apr 2014 01:41:14 -0700 (PDT) X-Barracuda-Envelope-From: johan.hagborg@psy.gu.se X-Barracuda-Apparent-Source-IP: 130.241.151.183 X-IronPort-AV: E=Sophos;i="4.97,932,1389740400"; d="scan'208,217";a="165029050" X-IPAS-Result: AmoNAKlwW1PZl8UM/2dsb2JhbAAjNoJCIyFPV61rjXMQgRkZhzglahZ0ghwBCgWBCwEIAwEeViYBH4VugkwDCZgHjwKjc44ogmYPQSaBFQSJN5ENkSODMYIr Received: from smtpexchange.gu.se ([217.151.197.12]) by ironportout-vas-2.it.gu.se with ESMTP; 26 Apr 2014 10:41:10 +0200 Received: from GU-MBX05.ad.gumail.local ([fe80::79ca:710e:7746:6a5e]) by GU-CAS01.ad.gumail.local ([fe80::50f8:1e33:8b8c:cd7a%16]) with mapi id 14.02.0328.009; Sat, 26 Apr 2014 10:41:10 +0200 From: Johan Hagborg Subject: =?iso-8859-1?Q?Re:_R=F6rande_ditt_konto?= Thread-Topic: =?iso-8859-1?Q?R=F6rande_ditt_konto?= X-ASG-Orig-Subj: =?iso-8859-1?Q?Re:_R=F6rande_ditt_konto?= Thread-Index: Ac9hKbokGipQxnAbQKCyzXItRJKvpQ== Date: Sat, 26 Apr 2014 08:41:10 +0000 Message-ID: <6D87A2A8EBDF244BB74983B49028ADBCABA8ADCC@GU-MBX05.ad.gumail.local> Accept-Language: sv-SE, en-US Content-Language: sv-SE X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.69.108.110] x-kse-antivirus-interceptor-info: scan successful x-kse-antivirus-info: Clean Content-Type: multipart/alternative; boundary="_000_6D87A2A8EBDF244BB74983B49028ADBCABA8ADCCGUMBX05adgumail_" MIME-Version: 1.0 X-Barracuda-Connect: ironportin-vas-2.it.gu.se[130.241.151.183] X-Barracuda-Start-Time: 1398501674 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 1.23 X-Barracuda-Spam-Status: No, SCORE=1.23 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=HTML_MESSAGE, MISSING_HEADERS, THREAD_INDEX, THREAD_TOPIC, TO_CC_NONE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5261 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.01 THREAD_INDEX thread-index: AcO7Y8iR61tzADqsRmmc5wNiFHEOig== 0.01 THREAD_TOPIC Thread-Topic: ...(Japanese Subject)... 1.21 MISSING_HEADERS Missing To: header 0.00 HTML_MESSAGE BODY: HTML included in message 0.00 TO_CC_NONE No To: or Cc: header To: undisclosed-recipients:; --_000_6D87A2A8EBDF244BB74983B49028ADBCABA8ADCCGUMBX05adgumail_ Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Detta =E4r den helpdesk program som kontrollerar regelbundet storleken p=E5= din e-postutrymme skickar denna information. 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--_000_6D87A2A8EBDF244BB74983B49028ADBCABA8ADCCGUMBX05adgumail_-- From sales721@alwinind.cn Sat Apr 26 20:28:07 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: **** X-Spam-Status: No, score=4.9 required=5.0 tests=DATE_IN_FUTURE_06_12, DEAR_SOMETHING autolearn=no version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id CBF9D7F3F for ; Sat, 26 Apr 2014 20:28:07 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id B6873304066 for ; Sat, 26 Apr 2014 18:28:05 -0700 (PDT) X-ASG-Debug-ID: 1398562068-04cb6c729052f10001-NocioJ Received: from alwinind ([199.192.153.43]) by cuda.sgi.com with SMTP id MFhDWHX82J1olr5X for ; Sat, 26 Apr 2014 18:27:48 -0700 (PDT) X-Barracuda-Envelope-From: sales721@alwinind.cn X-Barracuda-Apparent-Source-IP: 199.192.153.43 Received: from vps-30e0c4fbe64 (vps-30e0c4fbe64 [199.192.153.43]) by alwinind ; Sat, 26 Apr 2014 08:16:15 +0800 Message-ID: <74C43AD0-95FF-40C6-A5EF-DBB7D0BF5F0B@alwinind> Date: 26 Apr 2014 8:16:15 From: eastle X-Mailer: TkReq v1.10.1 Reply-To: eastle@foxmail.com X-Priority: 3 (Normal) To: Subject: China tyre wheel MIME-Version: 1.0 X-ASG-Orig-Subj: China tyre wheel Content-type: text/plain; charset="gb2312" Content-Transfer-Encoding: 7bit X-Barracuda-Connect: UNKNOWN[199.192.153.43] X-Barracuda-Start-Time: 1398562068 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Barracuda-BRTS-Status: 1 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-Spam-Score: 2.38 X-Barracuda-Spam-Status: No, SCORE=2.38 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC5_MJ1963, DATE_IN_FUTURE_06_12, INVALID_DATE, INVALID_DATE_2, RDNS_NONE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5271 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.01 INVALID_DATE Invalid Date: header (not RFC 2822) 0.01 DATE_IN_FUTURE_06_12 Date: is 6 to 12 hours after Received: date 0.10 RDNS_NONE Delivered to trusted network by a host with no rDNS 1.76 INVALID_DATE_2 Invalid Date: header (not RFC 2822) 0.50 BSF_SC5_MJ1963 Custom Rule MJ1963 Dear sir,We are China tyres and wheels supplier. Please contact us freely if you are interested. eastle@foxmail.com From felipemonteiro.carvalho@gmail.com Sun Apr 27 10:53:39 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=FREEMAIL_FROM,T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id A95C27F3F for ; Sun, 27 Apr 2014 10:53:39 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 863B68F804B for ; Sun, 27 Apr 2014 08:53:39 -0700 (PDT) X-ASG-Debug-ID: 1398614017-04cbb03cc7804e0001-NocioJ Received: from mail-pd0-f173.google.com (mail-pd0-f173.google.com [209.85.192.173]) by cuda.sgi.com with ESMTP id nEkqlKCX57tUFK6r (version=TLSv1 cipher=RC4-SHA bits=128 verify=NO) for ; Sun, 27 Apr 2014 08:53:38 -0700 (PDT) X-Barracuda-Envelope-From: felipemonteiro.carvalho@gmail.com X-Barracuda-RBL-Trusted-Forwarder: 209.85.192.173 Received: by mail-pd0-f173.google.com with SMTP id p10so4498977pdj.32 for ; Sun, 27 Apr 2014 08:53:37 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=txPEHIJ+vddLXAZ4sW3QjGnQz2o3jdPRQVotCpXlXCc=; b=PBbct7K8hMM4/uWmfy2+XWhYi+pICfFk1UllQky4pDlVXw2utRr25tYu7JwuFcKl9d L3J1ZPyj/KXOZ4QPNFrxuMs3fokL/MQor4fda6PgzyHVo7nkwk2A0rSZkXsSOos5+N5+ FvOTq4O7KEEoSd/UDyrxVyzDz6asqE7kgePianUKgtbbb2hURYQ01cWn0UkEOb/4zBoQ B7ohSr85fQW6vEKXTISlQgVBFb8K/MgXyOZTZtA3ejPnxqm9UJcIjwPPtULRQ6IwDmxJ 0vqk5GMHIhT2GLhVMJUQHZYLsY5WbI8VI13GPNfj9GH41SaPKUnvwgrtUpwtAFNaCOlu LzOQ== X-Barracuda-BBL-IP: nil MIME-Version: 1.0 X-Received: by 10.67.14.98 with SMTP id ff2mr20266338pad.101.1398614017006; Sun, 27 Apr 2014 08:53:37 -0700 (PDT) Received: by 10.66.12.69 with HTTP; Sun, 27 Apr 2014 08:53:36 -0700 (PDT) In-Reply-To: References: <5359912A.70603@sandeen.net> <535AE19D.8@sandeen.net> Date: Sun, 27 Apr 2014 12:53:36 -0300 Message-ID: Subject: Re: How to find the inodes in XFS From: Felipe Monteiro de Carvalho X-ASG-Orig-Subj: Re: How to find the inodes in XFS To: Eric Sandeen Cc: xfs@oss.sgi.com Content-Type: text/plain; charset=UTF-8 X-Barracuda-Connect: mail-pd0-f173.google.com[209.85.192.173] X-Barracuda-Start-Time: 1398614017 X-Barracuda-Encrypted: RC4-SHA X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=DKIM_SIGNED, DKIM_VERIFIED X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5286 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- -0.00 DKIM_VERIFIED Domain Keys Identified Mail: signature passes verification 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature Oh, well, ...now my code works great for low inode numbers, but it doesn't work at all for high inode numbers. =) If inode is the root one 0x80 or similar small numbers which as 0x83 it will map correctly to the block 8, which means position 0x8000 + internal offset inside the block But in high inodes, for example 0x204B87 and 0x204B80 it will split the inode number like this: AG=2 Block inside AG Nr=0x4B8 And since XFS_INO_TO_FSB just recombines back together the parts: #define XFS_INO_TO_FSB(mp,i) \ XFS_AGB_TO_FSB(mp, XFS_INO_TO_AGNO(mp,i), XFS_INO_TO_AGBNO(mp,i)) #define XFS_AGB_TO_FSB(mp,agno,agbno) \ (((xfs_fsblock_t)(agno) << (mp)->m_sb.sb_agblklog) | (agbno)) I get as the result from XFS_INO_TO_FSB 0x204B8, which would mean position 0x204B8000, but this is a wrong position =( I opened the partition with a hex viewer and the correct position is block 0x1521A which means position 0x1521A000 + offset inside block My superblock has these values: XFS_INO_AGINO_BITS = mp^.m_agino_log = 20 XFS_INO_OFFSET_BITS= m_sb^.sb_inopblog = 4 XFS_INO_AGBNO_BITS = m_sb^.sb_agblklog = 16 XFS_INO_MASK = FFFF sb_agcount = 4 Any ideas? Maybe my flaw is that to get the disk position I simply multiply the block number by the size of a block ... I tryed to use XFS_FSB_TO_DADDR instead but it gives 64 for block nr 8, which doesn't make much sense, I'd expect 0x8000 thanks! -- Felipe Monteiro de Carvalho From sandeen@sandeen.net Sun Apr 27 11:07:07 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id F07487F3F for ; Sun, 27 Apr 2014 11:07:06 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id D20C5304032 for ; Sun, 27 Apr 2014 09:07:03 -0700 (PDT) X-ASG-Debug-ID: 1398614821-04bdf02b8c85650001-NocioJ Received: from sandeen.net (sandeen.net [63.231.237.45]) by cuda.sgi.com with ESMTP id Bh4cipuOY13mHBB2 for ; Sun, 27 Apr 2014 09:07:01 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@sandeen.net X-Barracuda-Apparent-Source-IP: 63.231.237.45 Received: from liberator.sandeen.net (liberator.sandeen.net [10.0.0.4]) (using TLSv1 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (No client certificate requested) by sandeen.net (Postfix) with ESMTPSA id 202B363C5FF1; Sun, 27 Apr 2014 11:07:01 -0500 (CDT) Message-ID: <535D2B26.4010702@sandeen.net> Date: Sun, 27 Apr 2014 11:07:02 -0500 From: Eric Sandeen User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:24.0) Gecko/20100101 Thunderbird/24.4.0 MIME-Version: 1.0 To: Felipe Monteiro de Carvalho CC: xfs@oss.sgi.com Subject: Re: How to find the inodes in XFS References: <5359912A.70603@sandeen.net> <535AE19D.8@sandeen.net> X-ASG-Orig-Subj: Re: How to find the inodes in XFS In-Reply-To: X-Enigmail-Version: 1.6 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Barracuda-Connect: sandeen.net[63.231.237.45] X-Barracuda-Start-Time: 1398614821 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5286 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On 4/27/14, 10:53 AM, Felipe Monteiro de Carvalho wrote: > Maybe my flaw is that to get the disk position I simply multiply the > block number by the size of a block ... I tryed to use > XFS_FSB_TO_DADDR instead but it gives 64 for block nr 8, which doesn't > make much sense, I'd expect 0x8000 if you have 4k blocks, filesystem block #8 is at 32k, or 64 512-byte "daddrs" so that is correct. A "DADDR" is in 512-byte units. -Eric From david@fromorbit.com Sun Apr 27 16:20:39 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 5A88A7F3F for ; Sun, 27 Apr 2014 16:20:39 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id EAFAAAC001 for ; Sun, 27 Apr 2014 14:20:35 -0700 (PDT) X-ASG-Debug-ID: 1398633629-04cbb03cc794820001-NocioJ Received: from ipmail04.adl6.internode.on.net (ipmail04.adl6.internode.on.net [150.101.137.141]) by cuda.sgi.com with ESMTP id GGHcb8wYJHEVKWf2 for ; Sun, 27 Apr 2014 14:20:30 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.141 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: Ak1YAHtzXVN5LEcvPGdsb2JhbABZgwaDOoUKo0YBAgEBBZQWhWCBCBcDAQEBATg1giUBAQQBOhwjBQsIAxgJJQ8FJQMHGhOIOQfJGBcWhUSIMU4HhDkEmQuWIis Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail04.adl6.internode.on.net with ESMTP; 28 Apr 2014 06:50:28 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WeWUs-0001g3-66; Mon, 28 Apr 2014 07:20:26 +1000 Date: Mon, 28 Apr 2014 07:20:26 +1000 From: Dave Chinner To: Eric Sandeen Cc: xfs-oss Subject: Re: [PATCH, RFC] xfs: add heuristic to flush on rename Message-ID: <20140427212026.GX18672@dastard> X-ASG-Orig-Subj: Re: [PATCH, RFC] xfs: add heuristic to flush on rename References: <535ABA9D.2060305@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <535ABA9D.2060305@redhat.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail04.adl6.internode.on.net[150.101.137.141] X-Barracuda-Start-Time: 1398633629 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.60 X-Barracuda-Spam-Status: No, SCORE=0.60 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=COMMA_SUBJECT X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5294 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.60 COMMA_SUBJECT Subject is like 'Re: FDSDS, this is a subject' On Fri, Apr 25, 2014 at 02:42:21PM -0500, Eric Sandeen wrote: > Add a heuristic to flush data to a file which looks like it's > going through a tmpfile/rename dance, but not fsynced. > > I had a report of a system with many 0-length files after > package updates; as it turns out, the user had basically > done 'yum update' and punched the power button when it was > done. So yum didn't run sync() on completion of the update? That seems rather dangerous to me - IMO system updates need to be guaranteed to be stable by the update mechanisms, not to leave the system state to chance if power fails or the system crashes immediately after an update... > Granted, the admin should not do this. Granted, the package > manager should ensure persistence of files it updated. Yes, yes it should. Problem solved without needing to touch XFS. > Ext4, however, added a heuristic like this for just this case; > someone who writes file.tmp, then renames over file, but > never issues an fsync. You mean like rsync does all the time for every file it copies? > Now, this does smack of O_PONIES, but I would hope that it's > fairly benign. If someone already synced the tmpfile, it's > a no-op. I'd suggest it will greatly impact rsync speed and have impact on the resultant filesystem layout as it guarantees interleaving of metadata and data on disk.... Cheers, Dave. -- Dave Chinner david@fromorbit.com From david@fromorbit.com Sun Apr 27 16:27:02 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id AC6917F3F for ; Sun, 27 Apr 2014 16:27:02 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 8C379304032 for ; Sun, 27 Apr 2014 14:27:02 -0700 (PDT) X-ASG-Debug-ID: 1398634019-04cb6c728f98030001-NocioJ Received: from ipmail04.adl6.internode.on.net (ipmail04.adl6.internode.on.net [150.101.137.141]) by cuda.sgi.com with ESMTP id JQFGSqV8KXg1iGzc for ; Sun, 27 Apr 2014 14:27:00 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.141 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: Ak1YALd1XVN5LEcvPGdsb2JhbABZgwaDOoUKo0YBAgEBBZQWhWCBCBcDAQEBATg1giUBAQUnExwjEAgDDgoJJQ8FJQMHGhOIQMkbFxaFRIh/B4Q5AQOZC4p0iy4rgS4k Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail04.adl6.internode.on.net with ESMTP; 28 Apr 2014 06:56:45 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WeWay-0001h0-1U; Mon, 28 Apr 2014 07:26:44 +1000 Date: Mon, 28 Apr 2014 07:26:44 +1000 From: Dave Chinner To: Christoph Hellwig Cc: Jeff Liu , "xfs@oss.sgi.com" Subject: Re: [PATCH v2 05/10] xfs: fix error handling in xfs_bulkstat Message-ID: <20140427212643.GY18672@dastard> X-ASG-Orig-Subj: Re: [PATCH v2 05/10] xfs: fix error handling in xfs_bulkstat References: <535078B8.4020905@oracle.com> <20140425064815.GB20871@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140425064815.GB20871@infradead.org> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail04.adl6.internode.on.net[150.101.137.141] X-Barracuda-Start-Time: 1398634019 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5293 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Thu, Apr 24, 2014 at 11:48:15PM -0700, Christoph Hellwig wrote: > > Moreover, this fix also get rid of the redundant user buffer count > > pre-checkups as it has already been validated in upper callers. > > > - if (!ubcountp || *ubcountp <= 0) { > > - return EINVAL; > > - } > > Probably better to have this as a separate patch. > > > - /* > > - * Loop as long as we're unable to read the > > - * inode btree. > > - */ > > - while (error) { > > - agino += XFS_INODES_PER_CHUNK; > > - if (XFS_AGINO_TO_AGBNO(mp, agino) >= > > - be32_to_cpu(agi->agi_length)) > > - break; > > - error = xfs_inobt_lookup(cur, agino, > > - XFS_LOOKUP_GE, &tmp); > > - cond_resched(); > > - } > > This code goes back to 1995, but I still can't see how it would make > sense. I think we should get rid of this, but I'd also love to have > Dave and Eric double check it as well. I can't see it makes much sense, except for handling IO errors that occur during something like a path failover where a retry would then succeed. However, I think that we'd do better for userspace to handle this problem - a short bulkstat followed by userspace retry rather than a potential endless loop in the kernel is a much better way to handle the problem... Cheers, Dave. -- Dave Chinner david@fromorbit.com From sandeen@sandeen.net Sun Apr 27 16:56:11 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 7DE137F3F for ; Sun, 27 Apr 2014 16:56:11 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 6BC278F8033 for ; Sun, 27 Apr 2014 14:56:09 -0700 (PDT) X-ASG-Debug-ID: 1398635768-04cb6c729199b20001-NocioJ Received: from sandeen.net (sandeen.net [63.231.237.45]) by cuda.sgi.com with ESMTP id UVPj2pALIMaCA4dA for ; Sun, 27 Apr 2014 14:56:08 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@sandeen.net X-Barracuda-Apparent-Source-IP: 63.231.237.45 Received: from liberator.sandeen.net (liberator.sandeen.net [10.0.0.4]) (using TLSv1 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (No client certificate requested) by sandeen.net (Postfix) with ESMTPSA id 2E25263C5FF1; Sun, 27 Apr 2014 16:56:08 -0500 (CDT) Message-ID: <535D7CF7.2070409@sandeen.net> Date: Sun, 27 Apr 2014 16:56:07 -0500 From: Eric Sandeen User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:24.0) Gecko/20100101 Thunderbird/24.4.0 MIME-Version: 1.0 To: Dave Chinner , Eric Sandeen CC: xfs-oss Subject: Re: [PATCH, RFC] xfs: add heuristic to flush on rename References: <535ABA9D.2060305@redhat.com> <20140427212026.GX18672@dastard> X-ASG-Orig-Subj: Re: [PATCH, RFC] xfs: add heuristic to flush on rename In-Reply-To: <20140427212026.GX18672@dastard> X-Enigmail-Version: 1.6 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Barracuda-Connect: sandeen.net[63.231.237.45] X-Barracuda-Start-Time: 1398635768 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.60 X-Barracuda-Spam-Status: No, SCORE=0.60 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=COMMA_SUBJECT X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5295 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.60 COMMA_SUBJECT Subject is like 'Re: FDSDS, this is a subject' On 4/27/14, 4:20 PM, Dave Chinner wrote: > On Fri, Apr 25, 2014 at 02:42:21PM -0500, Eric Sandeen wrote: >> Add a heuristic to flush data to a file which looks like it's >> going through a tmpfile/rename dance, but not fsynced. >> >> I had a report of a system with many 0-length files after >> package updates; as it turns out, the user had basically >> done 'yum update' and punched the power button when it was >> done. > > So yum didn't run sync() on completion of the update? That seems > rather dangerous to me - IMO system updates need to be guaranteed to > be stable by the update mechanisms, not to leave the system state to > chance if power fails or the system crashes immediately after an > update... > > >> Granted, the admin should not do this. Granted, the package >> manager should ensure persistence of files it updated. > > Yes, yes it should. Problem solved without needing to touch XFS. Right, I first suggested it 5 years or so ago for RPM. But hey, who knows, someday maybe. So no need to touch XFS, just every godawful userspace app out there... Somebody should bring up the topic to wider audience, I'm sure they'll all get fixed in short order. Wait, or did we try that already? :) >> Ext4, however, added a heuristic like this for just this case; >> someone who writes file.tmp, then renames over file, but >> never issues an fsync. > > You mean like rsync does all the time for every file it copies? Yeah, I guess rsync doesn't fsync either. ;) >> Now, this does smack of O_PONIES, but I would hope that it's >> fairly benign. If someone already synced the tmpfile, it's >> a no-op. > > I'd suggest it will greatly impact rsync speed and have impact on > the resultant filesystem layout as it guarantees interleaving of > metadata and data on disk.... Ok, well, based on the responses thus far, sounds like a non-starter. I'm not wedded to it, just thought I'd float the idea. OTOH, it is an interesting juxtaposition to say the open O_TRUNC case is worth catching, but the tempfile overwrite case is not. -Eric > Cheers, > > Dave. > From david@fromorbit.com Sun Apr 27 18:15:32 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id E3D3C7F3F for ; Sun, 27 Apr 2014 18:15:31 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 664ABAC001 for ; Sun, 27 Apr 2014 16:15:28 -0700 (PDT) X-ASG-Debug-ID: 1398640525-04cbb03cc49b1b0001-NocioJ Received: from ipmail04.adl6.internode.on.net (ipmail04.adl6.internode.on.net [150.101.137.141]) by cuda.sgi.com with ESMTP id VwVypviRdWm0GaHQ for ; Sun, 27 Apr 2014 16:15:26 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.141 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: Ak1YAI+OXVN5LEcvPGdsb2JhbABZgwaDOoUKo0YBAgEBBZQWhWCBChcDAQEBATg1giUBAQQBOhwjBQsIAxgJJQ8FJQMHGhOIOQfJIRcWhUSIMU4HhDkElRqDcZYiKw Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail04.adl6.internode.on.net with ESMTP; 28 Apr 2014 08:45:25 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WeYI7-0001ym-BE; Mon, 28 Apr 2014 09:15:23 +1000 Date: Mon, 28 Apr 2014 09:15:23 +1000 From: Dave Chinner To: Eric Sandeen Cc: Eric Sandeen , xfs-oss Subject: Re: [PATCH, RFC] xfs: add heuristic to flush on rename Message-ID: <20140427231523.GZ18672@dastard> X-ASG-Orig-Subj: Re: [PATCH, RFC] xfs: add heuristic to flush on rename References: <535ABA9D.2060305@redhat.com> <20140427212026.GX18672@dastard> <535D7CF7.2070409@sandeen.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <535D7CF7.2070409@sandeen.net> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail04.adl6.internode.on.net[150.101.137.141] X-Barracuda-Start-Time: 1398640525 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.60 X-Barracuda-Spam-Status: No, SCORE=0.60 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=COMMA_SUBJECT X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5296 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.60 COMMA_SUBJECT Subject is like 'Re: FDSDS, this is a subject' On Sun, Apr 27, 2014 at 04:56:07PM -0500, Eric Sandeen wrote: > On 4/27/14, 4:20 PM, Dave Chinner wrote: > > On Fri, Apr 25, 2014 at 02:42:21PM -0500, Eric Sandeen wrote: > >> Add a heuristic to flush data to a file which looks like it's > >> going through a tmpfile/rename dance, but not fsynced. > >> > >> I had a report of a system with many 0-length files after > >> package updates; as it turns out, the user had basically > >> done 'yum update' and punched the power button when it was > >> done. > > > > So yum didn't run sync() on completion of the update? That seems > > rather dangerous to me - IMO system updates need to be guaranteed to > > be stable by the update mechanisms, not to leave the system state to > > chance if power fails or the system crashes immediately after an > > update... > > > > > >> Granted, the admin should not do this. Granted, the package > >> manager should ensure persistence of files it updated. > > > > Yes, yes it should. Problem solved without needing to touch XFS. > > Right, I first suggested it 5 years or so ago for RPM. But hey, who > knows, someday maybe. grrrrr. > So no need to touch XFS, just every godawful userspace app out there... > > Somebody should bring up the topic to wider audience, I'm sure they'll > all get fixed in short order. Wait, or did we try that already? :) I'm not talking about any random application. Package managers are *CRITICAL SYSTEM INFRASTRUCTURE*. They should be architectected to handle failures gracefully; following *basic data integrity rules* is a non-negotiable requirement for a system upgrade procedure. Leaving the system in an indeterminate and potentially inoperable state after a successful upgrade completion is reported is a completely unacceptable outcome for any system management operation. Critical infrastructure needs to Do Things Right, not require other people to hack around it's failings and hope that they might be able to save the system when shit goes wrong. There is no excuse for critical infrastructure developers failing to acknowledge and address the data integrity requirements of their infrastructure. > >> Ext4, however, added a heuristic like this for just this case; > >> someone who writes file.tmp, then renames over file, but > >> never issues an fsync. > > > > You mean like rsync does all the time for every file it copies? > > Yeah, I guess rsync doesn't fsync either. ;) That's because rsync doesn't need to sync until it completes all of the data writes. A failed rsync can simply be re-run after the system comes back up and nothing is lost. That's a very different situation to a package manager replacing binaries that the system may need to boot, yes? > >> Now, this does smack of O_PONIES, but I would hope that it's > >> fairly benign. If someone already synced the tmpfile, it's > >> a no-op. > > > > I'd suggest it will greatly impact rsync speed and have impact on > > the resultant filesystem layout as it guarantees interleaving of > > metadata and data on disk.... > > Ok, well, based on the responses thus far, sounds like a non-starter. > > I'm not wedded to it, just thought I'd float the idea. > > OTOH, it is an interesting juxtaposition to say the open O_TRUNC case > is worth catching, but the tempfile overwrite case is not. We went through this years ago - the O_TRUNC case is dealing with direct overwrite of data which we can reliably detect, usually only occurs one file at a time, has no major performance impact and data loss is almost entirely mitigated by the flush-on-close behaviour. It's a pretty reliable mitigation mechanism. Rename often involves many files (so much larger writeback delay on async flush), it has cases we can't catch (e.g. rename of a directory containing unsynced data files) and has much more unpredictable behaviour (e.g. rename of files being actively written to). There's nothing worse than having unpredictable/non-repeatable data loss scenarios - if we can't handle all rename cases with the same guarantees, then we shouldn't provide any data integrity guarantees at all. Cheers, Dave. -- Dave Chinner david@fromorbit.com From sandeen@sandeen.net Sun Apr 27 19:20:15 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 9F6557F3F for ; Sun, 27 Apr 2014 19:20:15 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 999968F8037 for ; Sun, 27 Apr 2014 17:20:11 -0700 (PDT) X-ASG-Debug-ID: 1398644410-04cb6c7291a1460001-NocioJ Received: from sandeen.net (sandeen.net [63.231.237.45]) by cuda.sgi.com with ESMTP id qAo9Xmy6FzWlP6Ii for ; Sun, 27 Apr 2014 17:20:10 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@sandeen.net X-Barracuda-Apparent-Source-IP: 63.231.237.45 Received: from liberator.sandeen.net (liberator.sandeen.net [10.0.0.4]) (using TLSv1 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (No client certificate requested) by sandeen.net (Postfix) with ESMTPSA id D2F8F63C5FF1; Sun, 27 Apr 2014 19:20:09 -0500 (CDT) Message-ID: <535D9EB9.50902@sandeen.net> Date: Sun, 27 Apr 2014 19:20:09 -0500 From: Eric Sandeen User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:24.0) Gecko/20100101 Thunderbird/24.4.0 MIME-Version: 1.0 To: Dave Chinner CC: Eric Sandeen , xfs-oss Subject: Re: [PATCH, RFC] xfs: add heuristic to flush on rename References: <535ABA9D.2060305@redhat.com> <20140427212026.GX18672@dastard> <535D7CF7.2070409@sandeen.net> <20140427231523.GZ18672@dastard> X-ASG-Orig-Subj: Re: [PATCH, RFC] xfs: add heuristic to flush on rename In-Reply-To: <20140427231523.GZ18672@dastard> X-Enigmail-Version: 1.6 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Barracuda-Connect: sandeen.net[63.231.237.45] X-Barracuda-Start-Time: 1398644410 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.60 X-Barracuda-Spam-Status: No, SCORE=0.60 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=COMMA_SUBJECT X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5297 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.60 COMMA_SUBJECT Subject is like 'Re: FDSDS, this is a subject' On 4/27/14, 6:15 PM, Dave Chinner wrote: > On Sun, Apr 27, 2014 at 04:56:07PM -0500, Eric Sandeen wrote: >> On 4/27/14, 4:20 PM, Dave Chinner wrote: >>> On Fri, Apr 25, 2014 at 02:42:21PM -0500, Eric Sandeen wrote: >>>> Add a heuristic to flush data to a file which looks like it's >>>> going through a tmpfile/rename dance, but not fsynced. >>>> >>>> I had a report of a system with many 0-length files after >>>> package updates; as it turns out, the user had basically >>>> done 'yum update' and punched the power button when it was >>>> done. >>> >>> So yum didn't run sync() on completion of the update? That seems >>> rather dangerous to me - IMO system updates need to be guaranteed to >>> be stable by the update mechanisms, not to leave the system state to >>> chance if power fails or the system crashes immediately after an >>> update... >>> >>> >>>> Granted, the admin should not do this. Granted, the package >>>> manager should ensure persistence of files it updated. >>> >>> Yes, yes it should. Problem solved without needing to touch XFS. >> >> Right, I first suggested it 5 years or so ago for RPM. But hey, who >> knows, someday maybe. > > grrrrr. > >> So no need to touch XFS, just every godawful userspace app out there... >> >> Somebody should bring up the topic to wider audience, I'm sure they'll >> all get fixed in short order. Wait, or did we try that already? :) > > I'm not talking about any random application. Package managers are > *CRITICAL SYSTEM INFRASTRUCTURE*. They should be architectected to > handle failures gracefully; following *basic data integrity rules* > is a non-negotiable requirement for a system upgrade procedure. > Leaving the system in an indeterminate and potentially inoperable > state after a successful upgrade completion is reported is a > completely unacceptable outcome for any system management operation. > > Critical infrastructure needs to Do Things Right, not require other > people to hack around it's failings and hope that they might be able > to save the system when shit goes wrong. There is no excuse for > critical infrastructure developers failing to acknowledge and > address the data integrity requirements of their infrastructure. Yeah, I know - choir, preaching, etc. >>>> Ext4, however, added a heuristic like this for just this case; >>>> someone who writes file.tmp, then renames over file, but >>>> never issues an fsync. >>> >>> You mean like rsync does all the time for every file it copies? >> >> Yeah, I guess rsync doesn't fsync either. ;) > > That's because rsync doesn't need to sync until it completes all of > the data writes. A failed > rsync can simply be re-run after the system comes back up and > nothing is lost. That's a very different situation to a package > manager replacing binaries that the system may need to boot, yes? yeah, my point is that rsync overwrites exiting files and _never_ syncs. Not per-file, not at the end, not with any available option, AFAICT. Different situation, yes, but arguably just as bad under the wrong circumstances. >>>> Now, this does smack of O_PONIES, but I would hope that it's >>>> fairly benign. If someone already synced the tmpfile, it's >>>> a no-op. >>> >>> I'd suggest it will greatly impact rsync speed and have impact on >>> the resultant filesystem layout as it guarantees interleaving of >>> metadata and data on disk.... >> >> Ok, well, based on the responses thus far, sounds like a non-starter. >> >> I'm not wedded to it, just thought I'd float the idea. >> >> OTOH, it is an interesting juxtaposition to say the open O_TRUNC case >> is worth catching, but the tempfile overwrite case is not. > > We went through this years ago - the O_TRUNC case is dealing with > direct overwrite of data which we can reliably detect, usually only > occurs one file at a time, has no major performance impact and data > loss is almost entirely mitigated by the flush-on-close behaviour. > It's a pretty reliable mitigation mechanism. [citation needed] for a some of that, but *shrug* > Rename often involves many files (so much larger writeback delay on > async flush), it has cases we can't catch (e.g. rename of a > directory containing unsynced data files) and has much more > unpredictable behaviour (e.g. rename of files being actively written > to). There's nothing worse than having unpredictable/non-repeatable > data loss scenarios - if we can't handle all rename cases with the > same guarantees, then we shouldn't provide any data integrity > guarantees at all. Ok, so it's a NAK. I'm over it already, -Eric > Cheers, > > Dave. > From david@fromorbit.com Sun Apr 27 19:48:38 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 533A37F3F for ; Sun, 27 Apr 2014 19:48:38 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 4D2958F8054 for ; Sun, 27 Apr 2014 17:48:38 -0700 (PDT) X-ASG-Debug-ID: 1398646115-04cbb03cc7a0760001-NocioJ Received: from ipmail04.adl6.internode.on.net (ipmail04.adl6.internode.on.net [150.101.137.141]) by cuda.sgi.com with ESMTP id UOKBsWwy6i9hLSDm for ; Sun, 27 Apr 2014 17:48:36 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.141 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: Ak1YABOlXVN5LEcvPGdsb2JhbABZgwaDOoUKo0cBAgEBBZQWhWCBCxcDAQEBATg1giUBAQQBOhwjBQsIAxgJJQ8FJQMHGhOIOQfJLBcWhUSIfweEOQSZC5YiKw Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail04.adl6.internode.on.net with ESMTP; 28 Apr 2014 10:18:34 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WeZkG-000295-7D; Mon, 28 Apr 2014 10:48:32 +1000 Date: Mon, 28 Apr 2014 10:48:32 +1000 From: Dave Chinner To: Eric Sandeen Cc: Eric Sandeen , xfs-oss Subject: Re: [PATCH, RFC] xfs: add heuristic to flush on rename Message-ID: <20140428004832.GJ15995@dastard> X-ASG-Orig-Subj: Re: [PATCH, RFC] xfs: add heuristic to flush on rename References: <535ABA9D.2060305@redhat.com> <20140427212026.GX18672@dastard> <535D7CF7.2070409@sandeen.net> <20140427231523.GZ18672@dastard> <535D9EB9.50902@sandeen.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <535D9EB9.50902@sandeen.net> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail04.adl6.internode.on.net[150.101.137.141] X-Barracuda-Start-Time: 1398646115 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.60 X-Barracuda-Spam-Status: No, SCORE=0.60 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=COMMA_SUBJECT X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5298 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.60 COMMA_SUBJECT Subject is like 'Re: FDSDS, this is a subject' On Sun, Apr 27, 2014 at 07:20:09PM -0500, Eric Sandeen wrote: > On 4/27/14, 6:15 PM, Dave Chinner wrote: > > On Sun, Apr 27, 2014 at 04:56:07PM -0500, Eric Sandeen wrote: > >> On 4/27/14, 4:20 PM, Dave Chinner wrote: > >>> On Fri, Apr 25, 2014 at 02:42:21PM -0500, Eric Sandeen wrote: > >>>> Ext4, however, added a heuristic like this for just this case; > >>>> someone who writes file.tmp, then renames over file, but > >>>> never issues an fsync. > >>> > >>> You mean like rsync does all the time for every file it copies? > >> > >> Yeah, I guess rsync doesn't fsync either. ;) > > > > That's because rsync doesn't need to sync until it completes all of > > the data writes. A failed > > rsync can simply be re-run after the system comes back up and > > nothing is lost. That's a very different situation to a package > > manager replacing binaries that the system may need to boot, yes? > > yeah, my point is that rsync overwrites exiting files and _never_ syncs. > Not per-file, not at the end, not with any available option, AFAICT. But which a user can easily add. > Different situation, yes, but arguably just as bad under the > wrong circumstances. Which is why rsync provides this: $ zcat /usr/share/doc/rsync/scripts/atomic-rsync.gz .... This script lets you update a hierarchy of files in an atomic way by first creating a new hierarchy (using hard-links to leverage the existing files), and then swapping the new hierarchy into place. .... Yes, it doesn't have a sync in it but, again, that can easily be added. The point being is that rename safety and atomic renames are something that can be solved at the application level.... > >>>> Now, this does smack of O_PONIES, but I would hope that it's > >>>> fairly benign. If someone already synced the tmpfile, it's > >>>> a no-op. > >>> > >>> I'd suggest it will greatly impact rsync speed and have impact on > >>> the resultant filesystem layout as it guarantees interleaving of > >>> metadata and data on disk.... > >> > >> Ok, well, based on the responses thus far, sounds like a non-starter. > >> > >> I'm not wedded to it, just thought I'd float the idea. > >> > >> OTOH, it is an interesting juxtaposition to say the open O_TRUNC case > >> is worth catching, but the tempfile overwrite case is not. > > > > We went through this years ago - the O_TRUNC case is dealing with > > direct overwrite of data which we can reliably detect, usually only > > occurs one file at a time, has no major performance impact and data > > loss is almost entirely mitigated by the flush-on-close behaviour. > > It's a pretty reliable mitigation mechanism. > > [citation needed] for a some of that, but *shrug* It was internal to SGI, mainly related to Irix, unfortunately, which is where all this "avoid NULL files" stuff came from originally... Cheers, Dave. -- Dave Chinner david@fromorbit.com From david@fromorbit.com Sun Apr 27 19:50:50 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 515BB7F3F for ; Sun, 27 Apr 2014 19:50:50 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id 50B8B304048 for ; Sun, 27 Apr 2014 17:50:47 -0700 (PDT) X-ASG-Debug-ID: 1398646244-04cbb03cc5a0930001-NocioJ Received: from ipmail04.adl6.internode.on.net (ipmail04.adl6.internode.on.net [150.101.137.141]) by cuda.sgi.com with ESMTP id lzHBrEdt7xEpp2lf for ; Sun, 27 Apr 2014 17:50:45 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.141 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: Am1TABOlXVN5LEcvPGdsb2JhbABZgwZPgmuoUQECAQEFlBaFYIELFwMBAQEBODWCJQEBBAEnExwjBQsIAw4KCSUPBSUDBxoTiDkHDsk1FoVEiH8HhDkElRqDcYE7iTkQix4r Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail04.adl6.internode.on.net with ESMTP; 28 Apr 2014 10:20:44 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WeZmN-00029I-5k; Mon, 28 Apr 2014 10:50:43 +1000 Date: Mon, 28 Apr 2014 10:50:43 +1000 From: Dave Chinner To: Christian Kujau Cc: xfs@oss.sgi.com Subject: Re: 3.15.0-rc2: RECLAIM_FS-safe -> RECLAIM_FS-unsafe lock order detected Message-ID: <20140428005043.GK15995@dastard> X-ASG-Orig-Subj: Re: 3.15.0-rc2: RECLAIM_FS-safe -> RECLAIM_FS-unsafe lock order detected References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail04.adl6.internode.on.net[150.101.137.141] X-Barracuda-Start-Time: 1398646244 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5298 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Fri, Apr 25, 2014 at 03:21:16AM -0700, Christian Kujau wrote: > Hi, > > I haven't run vanilla for a while, so this is pretty much a copy of > what I reported[0] back with 3.14-rc2, but now with 3.15-rc2. Full > dmesg & .config can be found here: > > http://nerdbynature.de/bits/3.15-rc2/ > > > ====================================================== > [ INFO: RECLAIM_FS-safe -> RECLAIM_FS-unsafe lock order detected ] > 3.15.0-rc2 #1 Not tainted > ------------------------------------------------------ > rm/8288 [HC0[0]:SC0[0]:HE1:SE1] is trying to acquire: > (&mm->mmap_sem){++++++}, at: [] might_fault+0x58/0xa0 > > and this task is already holding: > (&xfs_dir_ilock_class){++++-.}, at: [] > xfs_ilock_data_map_shared+0x28/0x70 > which would create a new lock dependency: > (&xfs_dir_ilock_class){++++-.} -> (&mm->mmap_sem){++++++} > > but this new dependency connects a RECLAIM_FS-irq-safe lock: > (&xfs_dir_ilock_class){++++-.} > ... which became RECLAIM_FS-irq-safe at: > [] lock_acquire+0x54/0x70 > [] down_write_nested+0x50/0xa0 > [] xfs_reclaim_inode+0x108/0x318 > [] xfs_reclaim_inodes_ag+0x1b4/0x360 > [] xfs_reclaim_inodes_nr+0x38/0x4c > [] super_cache_scan+0x150/0x158 > [] shrink_slab_node+0x138/0x228 > [] shrink_slab+0x124/0x13c > [] kswapd+0x3f8/0x884 > [] kthread+0xbc/0xd0 > [] ret_from_kernel_thread+0x5c/0x64 > to a RECLAIM_FS-irq-unsafe lock: > (&mm->mmap_sem){++++++} > ... which became RECLAIM_FS-irq-unsafe at: > ... [] lockdep_trace_alloc+0x84/0x104 > [] kmem_cache_alloc+0x30/0x148 > [] mmap_region+0x2fc/0x578 > [] do_mmap_pgoff+0x2ec/0x378 > [] vm_mmap_pgoff+0x58/0x94 > [] load_elf_binary+0x488/0x11f4 > [] search_binary_handler+0x98/0x1f4 > [] do_execve+0x484/0x580 > [] try_to_run_init_process+0x18/0x58 > [] kernel_init+0xac/0x110 > [] ret_from_kernel_thread+0x5c/0x64 > > other info that might help us debug this: > > Possible interrupt unsafe locking scenario: > > CPU0 CPU1 > ---- ---- > lock(&mm->mmap_sem); > local_irq_disable(); > lock(&xfs_dir_ilock_class); > lock(&mm->mmap_sem); > > lock(&xfs_dir_ilock_class); Known false positive. Directory inodes can't be mmap()d or execv()d, nor can referenced inodes be reclaimed. Cheers, Dave. -- Dave Chinner david@fromorbit.com From david@fromorbit.com Sun Apr 27 20:00:21 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id F21997F3F for ; Sun, 27 Apr 2014 20:00:20 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id D0A888F806F for ; Sun, 27 Apr 2014 18:00:20 -0700 (PDT) X-ASG-Debug-ID: 1398646818-04bdf02b8ba3be0001-NocioJ Received: from ipmail04.adl6.internode.on.net (ipmail04.adl6.internode.on.net [150.101.137.141]) by cuda.sgi.com with ESMTP id zZ0NBqj4HeRWrksM for ; Sun, 27 Apr 2014 18:00:18 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.141 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AlZYACynXVN5LEcvPGdsb2JhbABZgwZPgmuFCqNIAQIBAQWSPYFZhWCBCxcDAQEBATg1gwIjGCQ0BSUDBy2IQMlFFoVEiH8dghgPgXwEmQuUHoIEKw Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail04.adl6.internode.on.net with ESMTP; 28 Apr 2014 10:30:17 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WeZvb-0002CA-SY; Mon, 28 Apr 2014 11:00:15 +1000 Date: Mon, 28 Apr 2014 11:00:15 +1000 From: Dave Chinner To: xfs@oss.sgi.com Cc: linux-ext4@vger.kernel.org, linux-btrfs@vger.kernel.org Subject: [ANNOUNCE] xfstests: master branch updated to ce0aa2b Message-ID: <20140428010015.GL15995@dastard> X-ASG-Orig-Subj: [ANNOUNCE] xfstests: master branch updated to ce0aa2b MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="WBsA/oQW3eTA3LlM" Content-Disposition: inline User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail04.adl6.internode.on.net[150.101.137.141] X-Barracuda-Start-Time: 1398646818 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.20 X-Barracuda-Spam-Status: No, SCORE=0.20 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=PR0N_SUBJECT X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5298 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.20 PR0N_SUBJECT Subject has letters around special characters (pr0n) --WBsA/oQW3eTA3LlM Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hi folks, The xfstests repository at git://oss.sgi.com/xfs/cmds/xfstests has just been updated. Patches often get missed, so please check if your outstanding patches were in this update. If they have not been in this update, please resubmit them to xfs@oss.sgi.com so they can be picked up in the next update. The new head of the master branch is commit: ce0aa2b common: Use _require_xfs_io_command() instead of helpers New Commits: Dave Chinner (6): [31a50c7] generic/204: tweak reserve pool size [ca93123] generic: cleanup space after test in TESTDIR [9d7807d] xfs: remove dmapi tests from the auto group [03227f9] filter: xfs_repair emits new corruption messagse [a12a56f] shared/051: remove ACL count subtest [a841a6d] generic: introduce new large ACL test Lukas Czerner (1): [ce0aa2b] common: Use _require_xfs_io_command() instead of helpers Code Diffstat: common/attr | 31 ++++++++++++ common/defrag | 2 +- common/rc | 41 --------------- common/repair | 3 ++ tests/btrfs/026 | 2 +- tests/btrfs/027 | 2 +- tests/btrfs/028 | 2 +- tests/btrfs/047 | 2 +- tests/ext4/001 | 2 +- tests/ext4/002 | 2 +- tests/generic/009 | 2 +- tests/generic/012 | 8 +-- tests/generic/016 | 8 +-- tests/generic/017 | 4 +- tests/generic/021 | 8 +-- tests/generic/022 | 8 +-- tests/generic/026 | 132 ++++++++++++++++++++++++++++++++++++++++++++++= ++ tests/generic/026.out | 9 ++++ tests/generic/070 | 1 + tests/generic/204 | 2 - tests/generic/213 | 2 +- tests/generic/214 | 2 +- tests/generic/223 | 2 +- tests/generic/228 | 2 +- tests/generic/255 | 6 +-- tests/generic/256 | 2 +- tests/generic/274 | 2 +- tests/generic/300 | 4 +- tests/generic/311 | 2 +- tests/generic/312 | 2 +- tests/generic/316 | 4 +- tests/generic/group | 1 + tests/shared/051 | 45 ----------------- tests/shared/051.out | 135 ----------------------------------------------= ---- tests/shared/298 | 2 +- tests/xfs/252 | 4 +- tests/xfs/290 | 2 +- tests/xfs/292 | 2 + tests/xfs/group | 50 +++++++++---------- 39 files changed, 249 insertions(+), 293 deletions(-) create mode 100644 tests/generic/026 create mode 100644 tests/generic/026.out --=20 Dave Chinner david@fromorbit.com --WBsA/oQW3eTA3LlM Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQIcBAEBAgAGBQJTXagfAAoJEK3oKUf0dfodi9AP/iWS0robDYMnjkzFaSfYadSa pQUL0K1j1Pq9lZXLwpVOSHVQp863QWCU6LefPN4u0e8sMVKuqmRgdKNb8aMIGdNr oxTPPsWIZdoUQCGMUTG3rtre9uATtSJwtJMp43JeSCVzuU3D1D2UHC1MOZvfE3aH B2JG2qF6j9q5IIxzJbAJqz/miAhOk8YrGYpHxkNNJ/w7OdZMBPxfxkmpub9xzYwo e3c+okmEcBOkNW6COy008gZcmaBFhmptlNBsu67rXCS9S7K19Nh9gyygTgI3iwbW 9JaBEm8pjd9GzroP/Vbw4SKyOmeYqrztzWCwVXZc2i5SvONau1QcI0i21eHY2DbT ATsCbAD88ASjr9HhM3ZdG9VjniHOIDPdwkDBk9thc9Aqnj8UPVLIdssKf9LLDPFk hc0Sb8EucSk2yTILcW6W2FKE5NAz47twkr0xDRU+wc6hlqa4yXqRIcn/u24cwEek Lti0mZ6jR+Yjou2hdIk+8yO5mNM13ZWJpuDsbPhc0kHqgul9RwmF9Nf/IhCfIXMP E2yOuA990MBUY7bXFgLs7DWimxGJ/EC4kKSnlH610u6FbjD278FNt79gmR9jTghT /jRSV4pARvKCGcLl76tPqDgzJSzeBW4SWgduHufUIqIZPbKfncNfDVubBdXQz1cu OVtkKF8F4zAlVWqAB6DV =rKnH -----END PGP SIGNATURE----- --WBsA/oQW3eTA3LlM-- From jan.cizmar@truni.sk Mon Apr 28 11:17:32 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=HTML_MESSAGE, T_KHOP_FOREIGN_CLICK autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 0E5EA29DF8 for ; Mon, 28 Apr 2014 11:17:32 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id E9CA9304048 for ; Mon, 28 Apr 2014 09:17:28 -0700 (PDT) X-ASG-Debug-ID: 1398701840-04cb6c728fddf00001-NocioJ Received: from smtp.truni.sk (smtp.truni.sk [193.87.54.71]) by cuda.sgi.com with ESMTP id sbM0gF6JbyrWDauS for ; Mon, 28 Apr 2014 09:17:20 -0700 (PDT) X-Barracuda-Envelope-From: jan.cizmar@truni.sk X-Barracuda-Apparent-Source-IP: 193.87.54.71 Received: from localhost (localhost [127.0.0.1]) by smtp.truni.sk (Postfix) with ESMTP id 6239D645F2; Mon, 28 Apr 2014 16:22:24 +0200 (CEST) X-Virus-Scanned: amavisd-new at truni.sk Received: from smtp.truni.sk ([127.0.0.1]) by localhost (z1-mta1.truni.sk [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id imH7nNey4Rt8; Mon, 28 Apr 2014 16:22:14 +0200 (CEST) Received: from z1-mbox1.truni.sk (z1-mbox1.truni.sk [10.33.16.74]) by smtp.truni.sk (Postfix) with ESMTP id E7BCE64908; Mon, 28 Apr 2014 16:14:38 +0200 (CEST) Date: Mon, 28 Apr 2014 16:14:40 +0200 (CEST) From: ING ONLINE Message-ID: <164342150.745023.1398694480426.JavaMail.root@truni.sk> Subject: Dringend! 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=
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From sandeen@redhat.com Mon Apr 28 11:35:20 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id A089629DF8 for ; Mon, 28 Apr 2014 11:35:20 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 3C959AC004 for ; Mon, 28 Apr 2014 09:35:20 -0700 (PDT) X-ASG-Debug-ID: 1398702918-04cbb03cc6dc190001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id 8En0eWNv6vdkaFyF for ; Mon, 28 Apr 2014 09:35:18 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx02.intmail.prod.int.phx2.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3SGZIGs018738 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Mon, 28 Apr 2014 12:35:18 -0400 Received: from liberator.sandeen.net (ovpn01.gateway.prod.ext.phx2.redhat.com [10.5.9.1]) by int-mx02.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id s3SGZGWc002269 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES128-SHA bits=128 verify=NO); Mon, 28 Apr 2014 12:35:17 -0400 Message-ID: <535E8344.2070209@redhat.com> Date: Mon, 28 Apr 2014 11:35:16 -0500 From: Eric Sandeen User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:24.0) Gecko/20100101 Thunderbird/24.4.0 MIME-Version: 1.0 To: xfs-oss CC: Boris Ranto Subject: [PATCH] xfs: test for shut down fs in xfs_dir_fsync() X-Enigmail-Version: 1.6 X-ASG-Orig-Subj: [PATCH] xfs: test for shut down fs in xfs_dir_fsync() Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Scanned-By: MIMEDefang 2.67 on 10.5.11.12 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1398702918 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 Similar to xfs_file_fsync(), I think xfs_dir_fsync() needs to test for a shut down fs, lest we go down paths we'll never be able to complete; Boris reported that during some stress tests he had threads stuck in xlog_cil_force_lsn via xfs_dir_fsync(). [ 3663.361709] sfsuspend-par D ffff88042f0b4540 0 3981 3947 0x00000080 [ 3663.394472] Call Trace: [ 3663.397199] [] schedule+0x29/0x70 [ 3663.402743] [] xlog_cil_force_lsn+0x185/0x1a0 [xfs] [ 3663.416249] [] _xfs_log_force_lsn+0x6f/0x2f0 [xfs] [ 3663.429271] [] xfs_dir_fsync+0x7d/0xe0 [xfs] [ 3663.435873] [] do_fsync+0x65/0xa0 [ 3663.441408] [] SyS_fsync+0x10/0x20 [ 3663.447043] [] system_call_fastpath+0x16/0x1b Reported-by: Boris Ranto Signed-off-by: Eric Sandeen --- NB: While I've not asked Boris to test this yet, it seems clear (?) that dir_fsync should behave the same as file_fsync() in the face of a shut-down fs. diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c index 4c749ab..2b94362 100644 --- a/fs/xfs/xfs_file.c +++ b/fs/xfs/xfs_file.c @@ -146,6 +146,9 @@ xfs_dir_fsync( trace_xfs_dir_fsync(ip); + if (XFS_FORCED_SHUTDOWN(mp)) + return -XFS_ERROR(EIO); + xfs_ilock(ip, XFS_ILOCK_SHARED); if (xfs_ipincount(ip)) lsn = ip->i_itemp->ili_last_lsn; From BATV+11e52c447cba5e925735+3900+infradead.org+hch@bombadil.srs.infradead.org Mon Apr 28 11:47:57 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 0CE7B29DF8 for ; Mon, 28 Apr 2014 11:47:57 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 8BFA5AC003 for ; Mon, 28 Apr 2014 09:47:56 -0700 (PDT) X-ASG-Debug-ID: 1398703674-04cb6c7291e0600001-NocioJ Received: from bombadil.infradead.org ([198.137.202.9]) by cuda.sgi.com with ESMTP id KjyalzGxLGTFrWPX (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Mon, 28 Apr 2014 09:47:55 -0700 (PDT) X-Barracuda-Envelope-From: BATV+11e52c447cba5e925735+3900+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.80.1 #2 (Red Hat Linux)) id 1Weoig-0004xs-Lv; Mon, 28 Apr 2014 16:47:54 +0000 Date: Mon, 28 Apr 2014 09:47:54 -0700 From: Christoph Hellwig To: Eric Sandeen Cc: xfs-oss , Boris Ranto Subject: Re: [PATCH] xfs: test for shut down fs in xfs_dir_fsync() Message-ID: <20140428164754.GA17472@infradead.org> X-ASG-Orig-Subj: Re: [PATCH] xfs: test for shut down fs in xfs_dir_fsync() References: <535E8344.2070209@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <535E8344.2070209@redhat.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html X-Barracuda-Connect: UNKNOWN[198.137.202.9] X-Barracuda-Start-Time: 1398703675 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.10 X-Barracuda-Spam-Status: No, SCORE=0.10 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=RDNS_NONE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5320 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.10 RDNS_NONE Delivered to trusted network by a host with no rDNS On Mon, Apr 28, 2014 at 11:35:16AM -0500, Eric Sandeen wrote: > Similar to xfs_file_fsync(), I think xfs_dir_fsync() needs > to test for a shut down fs, It probably should. > lest we go down paths we'll > never be able to complete; Boris reported that during some > stress tests he had threads stuck in xlog_cil_force_lsn > via xfs_dir_fsync(). But this could still happen if we get a shutdown coming in after that test. From sandeen@redhat.com Mon Apr 28 12:18:59 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 9508929DF8 for ; Mon, 28 Apr 2014 12:18:59 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 8A2928F8033 for ; Mon, 28 Apr 2014 10:18:56 -0700 (PDT) X-ASG-Debug-ID: 1398705534-04cbb03cc6df810001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id S24gqh08EfEf5CBN for ; Mon, 28 Apr 2014 10:18:55 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx09.intmail.prod.int.phx2.redhat.com (int-mx09.intmail.prod.int.phx2.redhat.com [10.5.11.22]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3SHIWC9008277 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 28 Apr 2014 13:18:33 -0400 Received: from liberator.sandeen.net (ovpn01.gateway.prod.ext.phx2.redhat.com [10.5.9.1]) by int-mx09.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s3SHIV1q012424 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES128-SHA bits=128 verify=NO); Mon, 28 Apr 2014 13:18:32 -0400 Message-ID: <535E8D67.3010504@redhat.com> Date: Mon, 28 Apr 2014 12:18:31 -0500 From: Eric Sandeen User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:24.0) Gecko/20100101 Thunderbird/24.4.0 MIME-Version: 1.0 To: Christoph Hellwig CC: xfs-oss , Boris Ranto Subject: Re: [PATCH] xfs: test for shut down fs in xfs_dir_fsync() References: <535E8344.2070209@redhat.com> <20140428164754.GA17472@infradead.org> X-ASG-Orig-Subj: Re: [PATCH] xfs: test for shut down fs in xfs_dir_fsync() In-Reply-To: <20140428164754.GA17472@infradead.org> X-Enigmail-Version: 1.6 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Scanned-By: MIMEDefang 2.68 on 10.5.11.22 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1398705535 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On 4/28/14, 11:47 AM, Christoph Hellwig wrote: > On Mon, Apr 28, 2014 at 11:35:16AM -0500, Eric Sandeen wrote: >> Similar to xfs_file_fsync(), I think xfs_dir_fsync() needs >> to test for a shut down fs, > > It probably should. > >> lest we go down paths we'll >> never be able to complete; Boris reported that during some >> stress tests he had threads stuck in xlog_cil_force_lsn >> via xfs_dir_fsync(). > > But this could still happen if we get a shutdown coming in after that > test. True... that looked a bit hairier to sort out. :( -Eric From tinguely@sgi.com Mon Apr 28 12:22:16 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=RP_MATCHES_RCVD autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 1D7FA29DF8 for ; Mon, 28 Apr 2014 12:22:16 -0500 (CDT) Received: from eagdhcp-232-128.americas.sgi.com (eagdhcp-232-128.americas.sgi.com [128.162.232.128]) by relay2.corp.sgi.com (Postfix) with ESMTP id CF653304043; Mon, 28 Apr 2014 10:22:12 -0700 (PDT) Message-ID: <535E8E47.2040701@sgi.com> Date: Mon, 28 Apr 2014 12:22:15 -0500 From: Mark Tinguely User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:9.0) Gecko/20120122 Thunderbird/9.0 MIME-Version: 1.0 To: Eric Sandeen CC: Christoph Hellwig , Boris Ranto , xfs-oss Subject: Re: [PATCH] xfs: test for shut down fs in xfs_dir_fsync() References: <535E8344.2070209@redhat.com> <20140428164754.GA17472@infradead.org> <535E8D67.3010504@redhat.com> In-Reply-To: <535E8D67.3010504@redhat.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit On 04/28/14 12:18, Eric Sandeen wrote: > On 4/28/14, 11:47 AM, Christoph Hellwig wrote: >> On Mon, Apr 28, 2014 at 11:35:16AM -0500, Eric Sandeen wrote: >>> Similar to xfs_file_fsync(), I think xfs_dir_fsync() needs >>> to test for a shut down fs, >> >> It probably should. >> >>> lest we go down paths we'll >>> never be able to complete; Boris reported that during some >>> stress tests he had threads stuck in xlog_cil_force_lsn >>> via xfs_dir_fsync(). >> >> But this could still happen if we get a shutdown coming in after that >> test. > > True... that looked a bit hairier to sort out. :( > > -Eric > Are the sync lsn look okay? Was there an error writing the iclog buffer? xfs_do_force_shutdown() will also do a xlog_cil_force_lsn() via the xfs_log_force_umount if the log buffer write was not in error. That should be the same or later than this lsn. --Mark. From sandeen@sandeen.net Mon Apr 28 12:26:38 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id D919229DF8 for ; Mon, 28 Apr 2014 12:26:38 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id CA56E8F8039 for ; Mon, 28 Apr 2014 10:26:38 -0700 (PDT) X-ASG-Debug-ID: 1398705997-04cb6c7292e3640001-NocioJ Received: from sandeen.net (sandeen.net [63.231.237.45]) by cuda.sgi.com with ESMTP id FrmNzIj2amI5mAxV for ; Mon, 28 Apr 2014 10:26:37 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@sandeen.net X-Barracuda-Apparent-Source-IP: 63.231.237.45 Received: from liberator.sandeen.net (liberator.sandeen.net [10.0.0.4]) (using TLSv1 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (No client certificate requested) by sandeen.net (Postfix) with ESMTPSA id E549563C5FF1; Mon, 28 Apr 2014 12:26:36 -0500 (CDT) Message-ID: <535E8F4C.8000003@sandeen.net> Date: Mon, 28 Apr 2014 12:26:36 -0500 From: Eric Sandeen User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:24.0) Gecko/20100101 Thunderbird/24.4.0 MIME-Version: 1.0 To: Mark Tinguely , Eric Sandeen CC: Christoph Hellwig , Boris Ranto , xfs-oss Subject: Re: [PATCH] xfs: test for shut down fs in xfs_dir_fsync() References: <535E8344.2070209@redhat.com> <20140428164754.GA17472@infradead.org> <535E8D67.3010504@redhat.com> <535E8E47.2040701@sgi.com> X-ASG-Orig-Subj: Re: [PATCH] xfs: test for shut down fs in xfs_dir_fsync() In-Reply-To: <535E8E47.2040701@sgi.com> X-Enigmail-Version: 1.6 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Barracuda-Connect: sandeen.net[63.231.237.45] X-Barracuda-Start-Time: 1398705997 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5321 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On 4/28/14, 12:22 PM, Mark Tinguely wrote: > On 04/28/14 12:18, Eric Sandeen wrote: >> On 4/28/14, 11:47 AM, Christoph Hellwig wrote: >>> On Mon, Apr 28, 2014 at 11:35:16AM -0500, Eric Sandeen wrote: >>>> Similar to xfs_file_fsync(), I think xfs_dir_fsync() needs >>>> to test for a shut down fs, >>> >>> It probably should. >>> >>>> lest we go down paths we'll >>>> never be able to complete; Boris reported that during some >>>> stress tests he had threads stuck in xlog_cil_force_lsn >>>> via xfs_dir_fsync(). >>> >>> But this could still happen if we get a shutdown coming in after that >>> test. >> >> True... that looked a bit hairier to sort out. :( >> >> -Eric >> > > > Are the sync lsn look okay? Was there an error writing the iclog buffer? > > xfs_do_force_shutdown() will also do a xlog_cil_force_lsn() via the > xfs_log_force_umount if the log buffer write was not in error. That > should be the same or later than this lsn. I don't have full details, unfortunately, just the sysrq backtraces. -Eric > --Mark. > > _______________________________________________ > xfs mailing list > xfs@oss.sgi.com > http://oss.sgi.com/mailman/listinfo/xfs > From tinguely@sgi.com Mon Apr 28 12:49:23 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=RP_MATCHES_RCVD autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 75C5029DF8 for ; Mon, 28 Apr 2014 12:49:23 -0500 (CDT) Received: from eagdhcp-232-128.americas.sgi.com (eagdhcp-232-128.americas.sgi.com [128.162.232.128]) by relay2.corp.sgi.com (Postfix) with ESMTP id DB4B0304043; Mon, 28 Apr 2014 10:49:22 -0700 (PDT) Message-ID: <535E94A4.2060701@sgi.com> Date: Mon, 28 Apr 2014 12:49:24 -0500 From: Mark Tinguely User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:9.0) Gecko/20120122 Thunderbird/9.0 MIME-Version: 1.0 To: Eric Sandeen CC: Eric Sandeen , Christoph Hellwig , Boris Ranto , xfs-oss Subject: Re: [PATCH] xfs: test for shut down fs in xfs_dir_fsync() References: <535E8344.2070209@redhat.com> <20140428164754.GA17472@infradead.org> <535E8D67.3010504@redhat.com> <535E8E47.2040701@sgi.com> <535E8F4C.8000003@sandeen.net> In-Reply-To: <535E8F4C.8000003@sandeen.net> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit On 04/28/14 12:26, Eric Sandeen wrote: > On 4/28/14, 12:22 PM, Mark Tinguely wrote: >> On 04/28/14 12:18, Eric Sandeen wrote: >>> On 4/28/14, 11:47 AM, Christoph Hellwig wrote: >>>> On Mon, Apr 28, 2014 at 11:35:16AM -0500, Eric Sandeen wrote: >>>>> Similar to xfs_file_fsync(), I think xfs_dir_fsync() needs >>>>> to test for a shut down fs, >>>> >>>> It probably should. >>>> >>>>> lest we go down paths we'll >>>>> never be able to complete; Boris reported that during some >>>>> stress tests he had threads stuck in xlog_cil_force_lsn >>>>> via xfs_dir_fsync(). >>>> >>>> But this could still happen if we get a shutdown coming in after that >>>> test. >>> >>> True... that looked a bit hairier to sort out. :( >>> >>> -Eric >>> >> >> >> Are the sync lsn look okay? Was there an error writing the iclog buffer? >> >> xfs_do_force_shutdown() will also do a xlog_cil_force_lsn() via the >> xfs_log_force_umount if the log buffer write was not in error. That >> should be the same or later than this lsn. > > I don't have full details, unfortunately, just the sysrq backtraces. > > -Eric > >> --Mark. anything in the log as to what caused the hang? You mention a forced shutdown; what caused the forced shutdown? Is this the latest bits (3.15)? --Mark. From sandeen@sandeen.net Mon Apr 28 12:54:00 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 66FCD29DF8 for ; Mon, 28 Apr 2014 12:54:00 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id EB696AC002 for ; Mon, 28 Apr 2014 10:53:56 -0700 (PDT) X-ASG-Debug-ID: 1398707635-04cb6c728fe56d0001-NocioJ Received: from sandeen.net (sandeen.net [63.231.237.45]) by cuda.sgi.com with ESMTP id GTkCqOuiZmkA94qb for ; Mon, 28 Apr 2014 10:53:55 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@sandeen.net X-Barracuda-Apparent-Source-IP: 63.231.237.45 Received: from liberator.sandeen.net (liberator.sandeen.net [10.0.0.4]) (using TLSv1 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (No client certificate requested) by sandeen.net (Postfix) with ESMTPSA id 6756263C5FF1; Mon, 28 Apr 2014 12:53:55 -0500 (CDT) Message-ID: <535E95B2.3010403@sandeen.net> Date: Mon, 28 Apr 2014 12:53:54 -0500 From: Eric Sandeen User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:24.0) Gecko/20100101 Thunderbird/24.4.0 MIME-Version: 1.0 To: Mark Tinguely CC: Eric Sandeen , Christoph Hellwig , Boris Ranto , xfs-oss Subject: Re: [PATCH] xfs: test for shut down fs in xfs_dir_fsync() References: <535E8344.2070209@redhat.com> <20140428164754.GA17472@infradead.org> <535E8D67.3010504@redhat.com> <535E8E47.2040701@sgi.com> <535E8F4C.8000003@sandeen.net> <535E94A4.2060701@sgi.com> X-ASG-Orig-Subj: Re: [PATCH] xfs: test for shut down fs in xfs_dir_fsync() In-Reply-To: <535E94A4.2060701@sgi.com> X-Enigmail-Version: 1.6 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Barracuda-Connect: sandeen.net[63.231.237.45] X-Barracuda-Start-Time: 1398707635 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5323 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On 4/28/14, 12:49 PM, Mark Tinguely wrote: > On 04/28/14 12:26, Eric Sandeen wrote: >> On 4/28/14, 12:22 PM, Mark Tinguely wrote: >>> On 04/28/14 12:18, Eric Sandeen wrote: >>>> On 4/28/14, 11:47 AM, Christoph Hellwig wrote: >>>>> On Mon, Apr 28, 2014 at 11:35:16AM -0500, Eric Sandeen wrote: >>>>>> Similar to xfs_file_fsync(), I think xfs_dir_fsync() needs >>>>>> to test for a shut down fs, >>>>> >>>>> It probably should. >>>>> >>>>>> lest we go down paths we'll >>>>>> never be able to complete; Boris reported that during some >>>>>> stress tests he had threads stuck in xlog_cil_force_lsn >>>>>> via xfs_dir_fsync(). >>>>> >>>>> But this could still happen if we get a shutdown coming in after that >>>>> test. >>>> >>>> True... that looked a bit hairier to sort out. :( >>>> >>>> -Eric >>>> >>> >>> >>> Are the sync lsn look okay? Was there an error writing the iclog buffer? >>> >>> xfs_do_force_shutdown() will also do a xlog_cil_force_lsn() via the >>> xfs_log_force_umount if the log buffer write was not in error. That >>> should be the same or later than this lsn. >> >> I don't have full details, unfortunately, just the sysrq backtraces. >> >> -Eric >> >>> --Mark. > > anything in the log as to what caused the hang? You mention a forced shutdown; what caused the forced shutdown? Perhaps Boris can answer that. > Is this the latest bits (3.15)? It was 3.10 with backported xfs bits from about 3.14. -Eric > --Mark. > From david@fromorbit.com Mon Apr 28 15:54:29 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 92EAE29DF8 for ; Mon, 28 Apr 2014 15:54:29 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 2E912AC002 for ; Mon, 28 Apr 2014 13:54:25 -0700 (PDT) X-ASG-Debug-ID: 1398718463-04cb6c7292fa8b0001-NocioJ Received: from ipmail04.adl6.internode.on.net (ipmail04.adl6.internode.on.net [150.101.137.141]) by cuda.sgi.com with ESMTP id GUA6rXPkceo3PbaS for ; Mon, 28 Apr 2014 13:54:23 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.141 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AvVLAH6/XlN5LEcvPGdsb2JhbABZgwaIRKNOAQEBBZl2gRoXAwEBAQE4NYIlAQEEATocIwULCAMYCSUPBSUDBxoTiDkHyFIXFoVEiH8HgySBFQSZC4p0iy4r Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail04.adl6.internode.on.net with ESMTP; 29 Apr 2014 06:24:22 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WesZA-0004yz-K6; Tue, 29 Apr 2014 06:54:20 +1000 Date: Tue, 29 Apr 2014 06:54:20 +1000 From: Dave Chinner To: Eric Sandeen Cc: xfs-oss , Boris Ranto Subject: Re: [PATCH] xfs: test for shut down fs in xfs_dir_fsync() Message-ID: <20140428205420.GB18672@dastard> X-ASG-Orig-Subj: Re: [PATCH] xfs: test for shut down fs in xfs_dir_fsync() References: <535E8344.2070209@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <535E8344.2070209@redhat.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail04.adl6.internode.on.net[150.101.137.141] X-Barracuda-Start-Time: 1398718463 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5330 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Mon, Apr 28, 2014 at 11:35:16AM -0500, Eric Sandeen wrote: > Similar to xfs_file_fsync(), I think xfs_dir_fsync() needs > to test for a shut down fs, lest we go down paths we'll > never be able to complete; Boris reported that during some > stress tests he had threads stuck in xlog_cil_force_lsn > via xfs_dir_fsync(). > > [ 3663.361709] sfsuspend-par D ffff88042f0b4540 0 3981 3947 0x00000080 > > [ 3663.394472] Call Trace: > [ 3663.397199] [] schedule+0x29/0x70 > [ 3663.402743] [] xlog_cil_force_lsn+0x185/0x1a0 [xfs] > [ 3663.416249] [] _xfs_log_force_lsn+0x6f/0x2f0 [xfs] > [ 3663.429271] [] xfs_dir_fsync+0x7d/0xe0 [xfs] > [ 3663.435873] [] do_fsync+0x65/0xa0 > [ 3663.441408] [] SyS_fsync+0x10/0x20 > [ 3663.447043] [] system_call_fastpath+0x16/0x1b Wow, I believe it's taken this long for us to notice that we can't break out of xlog_cil_force_lsn() if we fail on xlog_write() from a CIL push. I'd say that xlog_cil_force_lsn() needs log shutdown checks before it goes to sleep in xlog_wait().... > Reported-by: Boris Ranto > Signed-off-by: Eric Sandeen > --- > > NB: While I've not asked Boris to test this yet, it seems > clear (?) that dir_fsync should behave the same as > file_fsync() in the face of a shut-down fs. > > diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c > index 4c749ab..2b94362 100644 > --- a/fs/xfs/xfs_file.c > +++ b/fs/xfs/xfs_file.c > @@ -146,6 +146,9 @@ xfs_dir_fsync( > > trace_xfs_dir_fsync(ip); > > + if (XFS_FORCED_SHUTDOWN(mp)) > + return -XFS_ERROR(EIO); > + That won't hurt, but it won't fix the problem. Cheers, Dave. -- Dave Chinner david@fromorbit.com From dave@fromorbit.com Mon Apr 28 16:05:09 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 13B0E29DF8 for ; Mon, 28 Apr 2014 16:05:09 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 8EEF0AC002 for ; Mon, 28 Apr 2014 14:05:05 -0700 (PDT) X-ASG-Debug-ID: 1398719103-04cb6c7291fde40001-NocioJ Received: from ipmail04.adl6.internode.on.net (ipmail04.adl6.internode.on.net [150.101.137.141]) by cuda.sgi.com with ESMTP id jWNKj9w2ce5BvEvi for ; Mon, 28 Apr 2014 14:05:03 -0700 (PDT) X-Barracuda-Envelope-From: dave@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.141 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AiFvANPBXlN5LEcvPGdsb2JhbABZgwZPqysCCgwBAQEFmxAXAwEBAQE4NYMCO4ECAweIbQ6Vb7J1hVqHA4IZhCMEo3+JKoIEKw Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail04.adl6.internode.on.net with ESMTP; 29 Apr 2014 06:35:02 +0930 Received: from disappointment.disaster.area ([192.168.1.110] helo=disappointment) by dastard with esmtp (Exim 4.80) (envelope-from ) id 1WesjV-00050t-Gz for xfs@oss.sgi.com; Tue, 29 Apr 2014 07:05:01 +1000 Received: from dave by disappointment with local (Exim 4.82) (envelope-from ) id 1WesjV-00050X-Fu for xfs@oss.sgi.com; Tue, 29 Apr 2014 07:05:01 +1000 From: Dave Chinner To: xfs@oss.sgi.com Subject: [PATCH 0/9 v3] xfs_db, xfs_repair: improve CRC error detection Date: Tue, 29 Apr 2014 07:04:50 +1000 X-ASG-Orig-Subj: [PATCH 0/9 v3] xfs_db, xfs_repair: improve CRC error detection Message-Id: <1398719099-19194-1-git-send-email-david@fromorbit.com> X-Mailer: git-send-email 1.9.0 X-Barracuda-Connect: ipmail04.adl6.internode.on.net[150.101.137.141] X-Barracuda-Start-Time: 1398719103 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5330 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- Hi folks, This is the third version of the patchset originally posted here: http://oss.sgi.com/archives/xfs/2014-04/msg00374.html This version corrects the issues that Christoph commented on in the second version. Version 3: - factored out libxfs_readbuf_verify() - LIBXFS_B_UNCHECKED flag setting/clearing cleaned up - cleaned up dirty checks on AG header scan - cleaned up error path goto stack on AG header scan - added no_modify check to remote symlink buffer bad CRC rewrite. Version 2: - move LIBXFS_B_UNCHECKED to the correct patch (patch 1) - set_cur_iotype assumes a valid type (patch 2) - comments added to explain the way LIBXFS_B_UNCHECKED and dirty buffers are supposed to interact (patch 3) - fixed comment flow and added separate "crc_error" return variable to dir_read_buf() (patch 4) - reworked CRC error handling of AG headers (patch 5) - readded missing dirty/no_modify assert (patch 6) - fixed typos (patch 8) - fixed "repair" variable initialisation flow (patch 9) - fixed dirty buffer accounting on the cursor to dirty the correct buffer on CRC errors, added some clarifying comments (patch 9) Comments and testing welcome! -Dave. From dave@fromorbit.com Mon Apr 28 16:05:09 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id A2D7429DF9 for ; Mon, 28 Apr 2014 16:05:09 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 97B548F804B for ; Mon, 28 Apr 2014 14:05:09 -0700 (PDT) X-ASG-Debug-ID: 1398719103-04cb6c7291fde40003-NocioJ Received: from ipmail04.adl6.internode.on.net (ipmail04.adl6.internode.on.net [150.101.137.141]) by cuda.sgi.com with ESMTP id 4WozEkcThA73ReGe for ; Mon, 28 Apr 2014 14:05:08 -0700 (PDT) X-Barracuda-Envelope-From: dave@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.141 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AuNLANPBXlN5LEcvPGdsb2JhbABZgwaIRKNOAQEBBZsQFwMBAQEBODWCJQEBBScvMwgYMTkDBxQZiEDIcoVaiRyEIwSvLSs Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail04.adl6.internode.on.net with ESMTP; 29 Apr 2014 06:35:02 +0930 Received: from disappointment.disaster.area ([192.168.1.110] helo=disappointment) by dastard with esmtp (Exim 4.80) (envelope-from ) id 1WesjV-00050v-I2 for xfs@oss.sgi.com; Tue, 29 Apr 2014 07:05:01 +1000 Received: from dave by disappointment with local (Exim 4.82) (envelope-from ) id 1WesjV-00050f-HH for xfs@oss.sgi.com; Tue, 29 Apr 2014 07:05:01 +1000 From: Dave Chinner To: xfs@oss.sgi.com Subject: [PATCH 2/9] db: verify buffer on type change Date: Tue, 29 Apr 2014 07:04:52 +1000 X-ASG-Orig-Subj: [PATCH 2/9] db: verify buffer on type change Message-Id: <1398719099-19194-3-git-send-email-david@fromorbit.com> X-Mailer: git-send-email 1.9.0 In-Reply-To: <1398719099-19194-1-git-send-email-david@fromorbit.com> References: <1398719099-19194-1-git-send-email-david@fromorbit.com> X-Barracuda-Connect: ipmail04.adl6.internode.on.net[150.101.137.141] X-Barracuda-Start-Time: 1398719108 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5330 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- From: Dave Chinner Currently when the type command is run, we simply change the type associated with the buffer, but don't verify it. This results in unchecked CRCs being displayed. Hence when changing the type, run the verifier associated with the type to determine if the buffer contents is valid or not. Signed-off-by: Dave Chinner Reviewed-by: Christoph Hellwig --- db/io.c | 24 ++++++++++++++++++++++++ db/io.h | 1 + db/type.c | 9 +++++---- 3 files changed, 30 insertions(+), 4 deletions(-) diff --git a/db/io.c b/db/io.c index 387f171..7f1b76a 100644 --- a/db/io.c +++ b/db/io.c @@ -552,6 +552,30 @@ set_cur( ring_add(); } +void +set_iocur_type( + const typ_t *t) +{ + struct xfs_buf *bp = iocur_top->bp; + + iocur_top->typ = t; + + /* verify the buffer if the type has one. */ + if (!bp) + return; + if (!t->bops) { + bp->b_ops = NULL; + bp->b_flags |= LIBXFS_B_UNCHECKED; + return; + } + if (!(bp->b_flags & LIBXFS_B_UPTODATE)) + return; + bp->b_error = 0; + bp->b_ops = t->bops; + bp->b_ops->verify_read(bp); + bp->b_flags &= ~LIBXFS_B_UNCHECKED; +} + static void stack_help(void) { diff --git a/db/io.h b/db/io.h index 7875119..71082e6 100644 --- a/db/io.h +++ b/db/io.h @@ -62,6 +62,7 @@ extern void write_cur(void); extern void set_cur(const struct typ *t, __int64_t d, int c, int ring_add, bbmap_t *bbmap); extern void ring_add(void); +extern void set_iocur_type(const struct typ *t); /* * returns -1 for unchecked, 0 for bad and 1 for good diff --git a/db/type.c b/db/type.c index 04d0d56..b29f2a4 100644 --- a/db/type.c +++ b/db/type.c @@ -162,10 +162,11 @@ type_f( if (tt == NULL) { dbprintf(_("no such type %s\n"), argv[1]); } else { - if (iocur_top->typ == NULL) { - dbprintf(_("no current object\n")); - } else { - iocur_top->typ = cur_typ = tt; + if (iocur_top->typ == NULL) + dbprintf(_("no current object\n")); + else { + cur_typ = tt; + set_iocur_type(tt); } } } -- 1.9.0 From dave@fromorbit.com Mon Apr 28 16:05:11 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 1936029DF8 for ; Mon, 28 Apr 2014 16:05:11 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id F178530404E for ; Mon, 28 Apr 2014 14:05:10 -0700 (PDT) X-ASG-Debug-ID: 1398719103-04cb6c7291fde40004-NocioJ Received: from ipmail04.adl6.internode.on.net (ipmail04.adl6.internode.on.net [150.101.137.141]) by cuda.sgi.com with ESMTP id 6VYg15raavHuDH9j for ; Mon, 28 Apr 2014 14:05:09 -0700 (PDT) X-Barracuda-Envelope-From: dave@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.141 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AuNLANPBXlN5LEcvPGdsb2JhbABZgwaIRKNOAQEBBZsQFwMBAQEBODWCJQEBBScvMwgYMTkDBxQZiEDIcoVajT8Ery0rgS4k Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail04.adl6.internode.on.net with ESMTP; 29 Apr 2014 06:35:02 +0930 Received: from disappointment.disaster.area ([192.168.1.110] helo=disappointment) by dastard with esmtp (Exim 4.80) (envelope-from ) id 1WesjV-000511-JZ for xfs@oss.sgi.com; Tue, 29 Apr 2014 07:05:01 +1000 Received: from dave by disappointment with local (Exim 4.82) (envelope-from ) id 1WesjV-00050u-Ik for xfs@oss.sgi.com; Tue, 29 Apr 2014 07:05:01 +1000 From: Dave Chinner To: xfs@oss.sgi.com Subject: [PATCH 5/9] repair: detect CRC errors in AG headers Date: Tue, 29 Apr 2014 07:04:55 +1000 X-ASG-Orig-Subj: [PATCH 5/9] repair: detect CRC errors in AG headers Message-Id: <1398719099-19194-6-git-send-email-david@fromorbit.com> X-Mailer: git-send-email 1.9.0 In-Reply-To: <1398719099-19194-1-git-send-email-david@fromorbit.com> References: <1398719099-19194-1-git-send-email-david@fromorbit.com> X-Barracuda-Connect: ipmail04.adl6.internode.on.net[150.101.137.141] X-Barracuda-Start-Time: 1398719109 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5330 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- From: Dave Chinner repair doesn't currently detect verifier errors in AG header blocks - apart from the primary superblock they are not detected. They are, fortunately, corrected in the important cases (AGF, AGI and AGFL) because these structures are rebuilt in phase 5, but if you run xfs_repair in checking mode it won't report them as bad. Signed-off-by: Dave Chinner --- repair/scan.c | 83 +++++++++++++++++++++++++++++++++++------------------------ 1 file changed, 49 insertions(+), 34 deletions(-) diff --git a/repair/scan.c b/repair/scan.c index 1744c32..dec84ed 100644 --- a/repair/scan.c +++ b/repair/scan.c @@ -1207,39 +1207,38 @@ scan_ag( void *arg) { struct aghdr_cnts *agcnts = arg; - xfs_agf_t *agf; - xfs_buf_t *agfbuf; + struct xfs_agf *agf; + struct xfs_buf *agfbuf = NULL; int agf_dirty = 0; - xfs_agi_t *agi; - xfs_buf_t *agibuf; + struct xfs_agi *agi; + struct xfs_buf *agibuf = NULL; int agi_dirty = 0; - xfs_sb_t *sb; - xfs_buf_t *sbbuf; + struct xfs_sb *sb = NULL; + struct xfs_buf *sbbuf = NULL; int sb_dirty = 0; int status; + char *objname = NULL; - sbbuf = libxfs_readbuf(mp->m_dev, XFS_AG_DADDR(mp, agno, XFS_SB_DADDR), - XFS_FSS_TO_BB(mp, 1), 0, &xfs_sb_buf_ops); - if (!sbbuf) { - do_error(_("can't get root superblock for ag %d\n"), agno); - return; - } - sb = (xfs_sb_t *)calloc(BBSIZE, 1); + sb = (struct xfs_sb *)calloc(BBSIZE, 1); if (!sb) { do_error(_("can't allocate memory for superblock\n")); - libxfs_putbuf(sbbuf); return; } + + sbbuf = libxfs_readbuf(mp->m_dev, XFS_AG_DADDR(mp, agno, XFS_SB_DADDR), + XFS_FSS_TO_BB(mp, 1), 0, &xfs_sb_buf_ops); + if (!sbbuf) { + objname = _("root superblock"); + goto out_free_sb; + } libxfs_sb_from_disk(sb, XFS_BUF_TO_SBP(sbbuf)); agfbuf = libxfs_readbuf(mp->m_dev, XFS_AG_DADDR(mp, agno, XFS_AGF_DADDR(mp)), XFS_FSS_TO_BB(mp, 1), 0, &xfs_agf_buf_ops); if (!agfbuf) { - do_error(_("can't read agf block for ag %d\n"), agno); - libxfs_putbuf(sbbuf); - free(sb); - return; + objname = _("agf block"); + goto out_free_sbbuf; } agf = XFS_BUF_TO_AGF(agfbuf); @@ -1247,11 +1246,8 @@ scan_ag( XFS_AG_DADDR(mp, agno, XFS_AGI_DADDR(mp)), XFS_FSS_TO_BB(mp, 1), 0, &xfs_agi_buf_ops); if (!agibuf) { - do_error(_("can't read agi block for ag %d\n"), agno); - libxfs_putbuf(agfbuf); - libxfs_putbuf(sbbuf); - free(sb); - return; + objname = _("agi block"); + goto out_free_agfbuf; } agi = XFS_BUF_TO_AGI(agibuf); @@ -1295,15 +1291,9 @@ scan_ag( } if (status && no_modify) { - libxfs_putbuf(agibuf); - libxfs_putbuf(agfbuf); - libxfs_putbuf(sbbuf); - free(sb); - do_warn(_("bad uncorrected agheader %d, skipping ag...\n"), agno); - - return; + goto out_free_agibuf; } scan_freelist(agf, agcnts); @@ -1312,21 +1302,34 @@ scan_ag( validate_agi(agi, agno, agcnts); ASSERT(agi_dirty == 0 || (agi_dirty && !no_modify)); + ASSERT(agf_dirty == 0 || (agf_dirty && !no_modify)); + ASSERT(sb_dirty == 0 || (sb_dirty && !no_modify)); + + /* + * Only pay attention to CRC/verifier errors if we can correct them. + * While there, ensure that we corrected a corruption error if the + * verifier detected one. + */ + if (!no_modify) { + ASSERT(agi_dirty || agibuf->b_error != EFSCORRUPTED); + ASSERT(agf_dirty || agfbuf->b_error != EFSCORRUPTED); + ASSERT(sb_dirty || sbbuf->b_error != EFSCORRUPTED); + + agi_dirty += (agibuf->b_error == EFSBADCRC); + agf_dirty += (agfbuf->b_error == EFSBADCRC); + sb_dirty += (sbbuf->b_error == EFSBADCRC); + } if (agi_dirty && !no_modify) libxfs_writebuf(agibuf, 0); else libxfs_putbuf(agibuf); - ASSERT(agf_dirty == 0 || (agf_dirty && !no_modify)); - if (agf_dirty && !no_modify) libxfs_writebuf(agfbuf, 0); else libxfs_putbuf(agfbuf); - ASSERT(sb_dirty == 0 || (sb_dirty && !no_modify)); - if (sb_dirty && !no_modify) { if (agno == 0) memcpy(&mp->m_sb, sb, sizeof(xfs_sb_t)); @@ -1341,6 +1344,18 @@ scan_ag( print_inode_list(i); #endif return; + +out_free_agibuf: + libxfs_putbuf(agibuf); +out_free_agfbuf: + libxfs_putbuf(agfbuf); +out_free_sbbuf: + libxfs_putbuf(sbbuf); +out_free_sb: + free(sb); + + if (objname) + do_error(_("can't get %s for ag %d\n"), objname, agno); } #define SCAN_THREADS 32 -- 1.9.0 From dave@fromorbit.com Mon Apr 28 16:05:11 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 6E36829DF8 for ; Mon, 28 Apr 2014 16:05:11 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 633C18F804B for ; Mon, 28 Apr 2014 14:05:08 -0700 (PDT) X-ASG-Debug-ID: 1398719103-04cb6c7291fde40002-NocioJ Received: from ipmail04.adl6.internode.on.net (ipmail04.adl6.internode.on.net [150.101.137.141]) by cuda.sgi.com with ESMTP id 3kmmJFyZKr5H4gHO for ; Mon, 28 Apr 2014 14:05:04 -0700 (PDT) X-Barracuda-Envelope-From: dave@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.141 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AuNLANPBXlN5LEcvPGdsb2JhbABZgwaIRKNOAQEBBZsQFwMBAQEBODWCJQEBBScvMwgYMTkDBxQZiEDIcoVaiBuBAYQjBK8tK4Es Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail04.adl6.internode.on.net with ESMTP; 29 Apr 2014 06:35:02 +0930 Received: from disappointment.disaster.area ([192.168.1.110] helo=disappointment) by dastard with esmtp (Exim 4.80) (envelope-from ) id 1WesjV-000512-KR for xfs@oss.sgi.com; Tue, 29 Apr 2014 07:05:01 +1000 Received: from dave by disappointment with local (Exim 4.82) (envelope-from ) id 1WesjV-00050z-JB for xfs@oss.sgi.com; Tue, 29 Apr 2014 07:05:01 +1000 From: Dave Chinner To: xfs@oss.sgi.com Subject: [PATCH 6/9] repair: report AG btree verifier errors Date: Tue, 29 Apr 2014 07:04:56 +1000 X-ASG-Orig-Subj: [PATCH 6/9] repair: report AG btree verifier errors Message-Id: <1398719099-19194-7-git-send-email-david@fromorbit.com> X-Mailer: git-send-email 1.9.0 In-Reply-To: <1398719099-19194-1-git-send-email-david@fromorbit.com> References: <1398719099-19194-1-git-send-email-david@fromorbit.com> X-Barracuda-Connect: ipmail04.adl6.internode.on.net[150.101.137.141] X-Barracuda-Start-Time: 1398719104 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5330 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- From: Dave Chinner When we scan the filesystem freespace and inode maps in phase 2, we don't report CRC errors that are found. We don't really care from a repair perspective, because the trees are completely rebuilt from the ground up in phase 5, but froma checking perspective we need to inform the user that we found inconsistencies. Signed-off-by: Dave Chinner Reviewed-by: Christoph Hellwig --- repair/scan.c | 25 ++++++++++++++++++++++++- 1 file changed, 24 insertions(+), 1 deletion(-) diff --git a/repair/scan.c b/repair/scan.c index dec84ed..4b0ea04 100644 --- a/repair/scan.c +++ b/repair/scan.c @@ -82,6 +82,12 @@ scan_sbtree( do_error(_("can't read btree block %d/%d\n"), agno, root); return; } + if (bp->b_error == EFSBADCRC || bp->b_error == EFSCORRUPTED) { + do_warn(_("btree block %d/%d is suspect, error %d\n"), + agno, root, bp->b_error); + suspect = 1; + } + (*func)(XFS_BUF_TO_BLOCK(bp), nlevels - 1, root, agno, suspect, isroot, magic, priv); libxfs_putbuf(bp); @@ -123,6 +129,7 @@ scan_lbtree( xfs_buf_t *bp; int err; int dirty = 0; + bool badcrc = false; bp = libxfs_readbuf(mp->m_dev, XFS_FSB_TO_DADDR(mp, root), XFS_FSB_TO_BB(mp, 1), 0, ops); @@ -132,6 +139,19 @@ scan_lbtree( XFS_FSB_TO_AGBNO(mp, root)); return(1); } + + /* + * only check for bad CRC here - caller will determine if there + * is a corruption or not and whether it got corrected and so needs + * writing back. CRC errors always imply we need to write the block. + */ + if (bp->b_error == EFSBADCRC) { + do_warn(_("btree block %d/%d is suspect, error %d\n"), + XFS_FSB_TO_AGNO(mp, root), + XFS_FSB_TO_AGBNO(mp, root), bp->b_error); + badcrc = true; + } + err = (*func)(XFS_BUF_TO_BLOCK(bp), nlevels - 1, type, whichfork, root, ino, tot, nex, blkmapp, bm_cursor, isroot, check_dups, &dirty, @@ -139,7 +159,7 @@ scan_lbtree( ASSERT(dirty == 0 || (dirty && !no_modify)); - if (dirty && !no_modify) + if ((dirty || badcrc) && !no_modify) libxfs_writebuf(bp, 0); else libxfs_putbuf(bp); @@ -1066,6 +1086,9 @@ scan_freelist( do_abort(_("can't read agfl block for ag %d\n"), agno); return; } + if (agflbuf->b_error == EFSBADCRC) + do_warn(_("agfl has bad CRC for ag %d\n"), agno); + freelist = XFS_BUF_TO_AGFL_BNO(mp, agflbuf); i = be32_to_cpu(agf->agf_flfirst); -- 1.9.0 From dave@fromorbit.com Mon Apr 28 16:05:11 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 8B60F29DFE for ; Mon, 28 Apr 2014 16:05:11 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 80CD88F804B for ; Mon, 28 Apr 2014 14:05:11 -0700 (PDT) X-ASG-Debug-ID: 1398719108-04cb6c7292fdea0001-NocioJ Received: from ipmail04.adl6.internode.on.net (ipmail04.adl6.internode.on.net [150.101.137.141]) by cuda.sgi.com with ESMTP id eXvnumS548ifTTm0 for ; Mon, 28 Apr 2014 14:05:09 -0700 (PDT) X-Barracuda-Envelope-From: dave@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.141 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AuNLANPBXlN5LEcvPGdsb2JhbABZgwaIRKNOAQEBBZsQFwMBAQEBODWCJQEBBScvMwgYMTkDBxQZiEDIcoVajT8Ery0rgS4k Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail04.adl6.internode.on.net with ESMTP; 29 Apr 2014 06:35:02 +0930 Received: from disappointment.disaster.area ([192.168.1.110] helo=disappointment) by dastard with esmtp (Exim 4.80) (envelope-from ) id 1WesjV-00050x-J5 for xfs@oss.sgi.com; Tue, 29 Apr 2014 07:05:01 +1000 Received: from dave by disappointment with local (Exim 4.82) (envelope-from ) id 1WesjV-00050p-IH for xfs@oss.sgi.com; Tue, 29 Apr 2014 07:05:01 +1000 From: Dave Chinner To: xfs@oss.sgi.com Subject: [PATCH 4/9] repair: detect and correct CRC errors in directory blocks Date: Tue, 29 Apr 2014 07:04:54 +1000 X-ASG-Orig-Subj: [PATCH 4/9] repair: detect and correct CRC errors in directory blocks Message-Id: <1398719099-19194-5-git-send-email-david@fromorbit.com> X-Mailer: git-send-email 1.9.0 In-Reply-To: <1398719099-19194-1-git-send-email-david@fromorbit.com> References: <1398719099-19194-1-git-send-email-david@fromorbit.com> X-Barracuda-Connect: ipmail04.adl6.internode.on.net[150.101.137.141] X-Barracuda-Start-Time: 1398719108 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5330 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- From: Dave Chinner repair doesn't currently verifier errors in directory blocks - they cause repair to ignore blocks and hence fail because it can't read critical blocks from the directory. Fix this by having the directory buffer read code detect a verifier error and retry the read without the verifier if the verifier has detected an error. Then pass the verifer error with the successfully read buffer back to the caller, so the caller can handle the error appropriately. In most cases, this is simply marking the directory as needing a rebuild, so once the directory entries have been checked and repaired, it will rewrite all the directory buffers (including the clean ones) and in the process recalculate all the the CRC on the directory blocks. Hence pure CRC errors in directory blocks are now handled correctly by xfs_repair. Signed-off-by: Dave Chinner Reviewed-by: Christoph Hellwig --- repair/phase6.c | 94 +++++++++++++++++++++++++++++++++++++++++++++------------ 1 file changed, 75 insertions(+), 19 deletions(-) diff --git a/repair/phase6.c b/repair/phase6.c index 0c35e1c..5ae6a3d 100644 --- a/repair/phase6.c +++ b/repair/phase6.c @@ -125,6 +125,45 @@ typedef struct freetab { #define DIR_HASH_CK_TOTAL 6 /* + * Need to handle CRC and validation errors specially here. If there is a + * validator error, re-read without the verifier so that we get a buffer we can + * check and repair. Re-attach the ops to the buffer after the read so that when + * it is rewritten the CRC is recalculated. + * + * If the buffer was not read, we return an error. If the buffer was read but + * had a CRC or corruption error, we reread it without the verifier and if it is + * read successfully we increment *crc_error and return 0. Otherwise we + * return the read error. + */ +static int +dir_read_buf( + struct xfs_inode *ip, + xfs_dablk_t bno, + xfs_daddr_t mappedbno, + struct xfs_buf **bpp, + const struct xfs_buf_ops *ops, + int *crc_error) +{ + int error; + int error2; + + error = libxfs_da_read_buf(NULL, ip, bno, mappedbno, bpp, + XFS_DATA_FORK, ops); + + if (error != EFSBADCRC && error != EFSCORRUPTED) + return error; + + error2 = libxfs_da_read_buf(NULL, ip, bno, mappedbno, bpp, + XFS_DATA_FORK, NULL); + if (error2) + return error2; + + (*crc_error)++; + (*bpp)->b_ops = ops; + return 0; +} + +/* * Returns 0 if the name already exists (ie. a duplicate) */ static int @@ -1906,15 +1945,19 @@ longform_dir2_check_leaf( int seeval; struct xfs_dir2_leaf_entry *ents; struct xfs_dir3_icleaf_hdr leafhdr; + int error; + int fixit = 0; da_bno = mp->m_dirleafblk; - if (libxfs_da_read_buf(NULL, ip, da_bno, -1, &bp, XFS_DATA_FORK, - &xfs_dir3_leaf1_buf_ops)) { + error = dir_read_buf(ip, da_bno, -1, &bp, &xfs_dir3_leaf1_buf_ops, + &fixit); + if (error) { do_error( - _("can't read block %u for directory inode %" PRIu64 "\n"), - da_bno, ip->i_ino); + _("can't read block %u for directory inode %" PRIu64 ", error %d\n"), + da_bno, ip->i_ino, error); /* NOTREACHED */ } + leaf = bp->b_addr; xfs_dir3_leaf_hdr_from_disk(&leafhdr, leaf); ents = xfs_dir3_leaf_ents_p(leaf); @@ -1951,7 +1994,7 @@ longform_dir2_check_leaf( return 1; } libxfs_putbuf(bp); - return 0; + return fixit; } /* @@ -1978,6 +2021,8 @@ longform_dir2_check_node( struct xfs_dir3_icleaf_hdr leafhdr; struct xfs_dir3_icfree_hdr freehdr; __be16 *bests; + int error; + int fixit = 0; for (da_bno = mp->m_dirleafblk, next_da_bno = 0; next_da_bno != NULLFILEOFF && da_bno < mp->m_dirfreeblk; @@ -1993,11 +2038,12 @@ longform_dir2_check_node( * a node block, then we'll skip it below based on a magic * number check. */ - if (libxfs_da_read_buf(NULL, ip, da_bno, -1, &bp, - XFS_DATA_FORK, &xfs_da3_node_buf_ops)) { + error = dir_read_buf(ip, da_bno, -1, &bp, + &xfs_da3_node_buf_ops, &fixit); + if (error) { do_warn( - _("can't read leaf block %u for directory inode %" PRIu64 "\n"), - da_bno, ip->i_ino); + _("can't read leaf block %u for directory inode %" PRIu64 ", error %d\n"), + da_bno, ip->i_ino, error); return 1; } leaf = bp->b_addr; @@ -2016,6 +2062,12 @@ longform_dir2_check_node( libxfs_putbuf(bp); return 1; } + + /* + * If there's a validator error, we need to ensure that we got + * the right ops on the buffer for when we write it back out. + */ + bp->b_ops = &xfs_dir3_leafn_buf_ops; if (leafhdr.count > xfs_dir3_max_leaf_ents(mp, leaf) || leafhdr.count < leafhdr.stale) { do_warn( @@ -2039,11 +2091,13 @@ longform_dir2_check_node( next_da_bno = da_bno + mp->m_dirblkfsbs - 1; if (bmap_next_offset(NULL, ip, &next_da_bno, XFS_DATA_FORK)) break; - if (libxfs_da_read_buf(NULL, ip, da_bno, -1, &bp, - XFS_DATA_FORK, &xfs_dir3_free_buf_ops)) { + + error = dir_read_buf(ip, da_bno, -1, &bp, + &xfs_dir3_free_buf_ops, &fixit); + if (error) { do_warn( - _("can't read freespace block %u for directory inode %" PRIu64 "\n"), - da_bno, ip->i_ino); + _("can't read freespace block %u for directory inode %" PRIu64 ", error %d\n"), + da_bno, ip->i_ino, error); return 1; } free = bp->b_addr; @@ -2093,7 +2147,7 @@ longform_dir2_check_node( return 1; } } - return 0; + return fixit; } /* @@ -2148,6 +2202,7 @@ longform_dir2_entry_check(xfs_mount_t *mp, next_da_bno != NULLFILEOFF && da_bno < mp->m_dirleafblk; da_bno = (xfs_dablk_t)next_da_bno) { const struct xfs_buf_ops *ops; + int error; next_da_bno = da_bno + mp->m_dirblkfsbs - 1; if (bmap_next_offset(NULL, ip, &next_da_bno, XFS_DATA_FORK)) @@ -2167,11 +2222,12 @@ longform_dir2_entry_check(xfs_mount_t *mp, ops = &xfs_dir3_block_buf_ops; else ops = &xfs_dir3_data_buf_ops; - if (libxfs_da_read_buf(NULL, ip, da_bno, -1, &bplist[db], - XFS_DATA_FORK, ops)) { + + error = dir_read_buf(ip, da_bno, -1, &bplist[db], ops, &fixit); + if (error) { do_warn( - _("can't read data block %u for directory inode %" PRIu64 "\n"), - da_bno, ino); + _("can't read data block %u for directory inode %" PRIu64 " error %d\n"), + da_bno, ino, error); *num_illegal += 1; /* @@ -2189,7 +2245,7 @@ longform_dir2_entry_check(xfs_mount_t *mp, irec, ino_offset, &bplist[db], hashtab, &freetab, da_bno, isblock); } - fixit = (*num_illegal != 0) || dir2_is_badino(ino) || *need_dot; + fixit |= (*num_illegal != 0) || dir2_is_badino(ino) || *need_dot; if (!dotdot_update) { /* check btree and freespace */ -- 1.9.0 From dave@fromorbit.com Mon Apr 28 16:05:12 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 28D3F29E0B for ; Mon, 28 Apr 2014 16:05:12 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 0FA838F804B for ; Mon, 28 Apr 2014 14:05:12 -0700 (PDT) X-ASG-Debug-ID: 1398719105-04cbb03cc7fad40001-NocioJ Received: from ipmail04.adl6.internode.on.net (ipmail04.adl6.internode.on.net [150.101.137.141]) by cuda.sgi.com with ESMTP id Njkdd5FKhLVPB16R for ; Mon, 28 Apr 2014 14:05:05 -0700 (PDT) X-Barracuda-Envelope-From: dave@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.141 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AuNLANPBXlN5LEcvPGdsb2JhbABZgwaIRKNOAQEBBZsQFwMBAQEBODWCJQEBBScvMwgYMTkDBxQZiEDIcoVaiRyEIwSvLSuBLiQ Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail04.adl6.internode.on.net with ESMTP; 29 Apr 2014 06:35:02 +0930 Received: from disappointment.disaster.area ([192.168.1.110] helo=disappointment) by dastard with esmtp (Exim 4.80) (envelope-from ) id 1WesjV-00050u-HX for xfs@oss.sgi.com; Tue, 29 Apr 2014 07:05:01 +1000 Received: from dave by disappointment with local (Exim 4.82) (envelope-from ) id 1WesjV-00050a-Gh for xfs@oss.sgi.com; Tue, 29 Apr 2014 07:05:01 +1000 From: Dave Chinner To: xfs@oss.sgi.com Subject: [PATCH 1/9] db: don't claim unchecked CRCs are correct Date: Tue, 29 Apr 2014 07:04:51 +1000 X-ASG-Orig-Subj: [PATCH 1/9] db: don't claim unchecked CRCs are correct Message-Id: <1398719099-19194-2-git-send-email-david@fromorbit.com> X-Mailer: git-send-email 1.9.0 In-Reply-To: <1398719099-19194-1-git-send-email-david@fromorbit.com> References: <1398719099-19194-1-git-send-email-david@fromorbit.com> X-Barracuda-Connect: ipmail04.adl6.internode.on.net[150.101.137.141] X-Barracuda-Start-Time: 1398719105 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5331 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- From: Dave Chinner Currently xfs_db will claim the CRC on a structure is correct if the buffer is not marked with an error. However, buffers may have been read without a verifier, and hence have not had their CRCs validated. in this case, we shoul dreport "unchecked" rather than "correct". For example: xfs_db> fsb 0x6003f xfs_db> type dir3 xfs_db> p dhdr.hdr.magic = 0x58444433 dhdr.hdr.crc = 0x2d0f9c9d (unchecked) .... Signed-off-by: Dave Chinner Reviewed-by: Christoph Hellwig --- db/fprint.c | 15 ++++++++++++++- db/io.c | 2 ++ db/io.h | 12 +++++++++--- include/libxfs.h | 1 + 4 files changed, 26 insertions(+), 4 deletions(-) diff --git a/db/fprint.c b/db/fprint.c index 435d984..52782e2 100644 --- a/db/fprint.c +++ b/db/fprint.c @@ -206,7 +206,20 @@ fp_crc( __int64_t val; char *ok; - ok = iocur_crc_valid() ? "correct" : "bad"; + switch (iocur_crc_valid()) { + case -1: + ok = "unchecked"; + break; + case 0: + ok = "bad"; + break; + case 1: + ok = "correct"; + break; + default: + ok = "unknown state"; + break; + } for (i = 0, bitpos = bit; i < count && !seenint(); diff --git a/db/io.c b/db/io.c index 5eb61d9..387f171 100644 --- a/db/io.c +++ b/db/io.c @@ -531,6 +531,8 @@ set_cur( return; iocur_top->buf = bp->b_addr; iocur_top->bp = bp; + if (!ops) + bp->b_flags |= LIBXFS_B_UNCHECKED; iocur_top->bb = d; iocur_top->blen = c; diff --git a/db/io.h b/db/io.h index ad39bee..7875119 100644 --- a/db/io.h +++ b/db/io.h @@ -63,10 +63,16 @@ extern void set_cur(const struct typ *t, __int64_t d, int c, int ring_add, bbmap_t *bbmap); extern void ring_add(void); -static inline bool +/* + * returns -1 for unchecked, 0 for bad and 1 for good + */ +static inline int iocur_crc_valid() { - return (iocur_top->bp && - iocur_top->bp->b_error != EFSBADCRC && + if (!iocur_top->bp) + return -1; + if (iocur_top->bp->b_flags & LIBXFS_B_UNCHECKED) + return -1; + return (iocur_top->bp->b_error != EFSBADCRC && (!iocur_top->ino_buf || iocur_top->ino_crc_ok)); } diff --git a/include/libxfs.h b/include/libxfs.h index 6bc6c94..6b1e276 100644 --- a/include/libxfs.h +++ b/include/libxfs.h @@ -333,6 +333,7 @@ enum xfs_buf_flags_t { /* b_flags bits */ LIBXFS_B_STALE = 0x0004, /* buffer marked as invalid */ LIBXFS_B_UPTODATE = 0x0008, /* buffer is sync'd to disk */ LIBXFS_B_DISCONTIG = 0x0010, /* discontiguous buffer */ + LIBXFS_B_UNCHECKED = 0x0020, /* needs verification */ }; #define XFS_BUF_DADDR_NULL ((xfs_daddr_t) (-1LL)) -- 1.9.0 From dave@fromorbit.com Mon Apr 28 16:05:12 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 963AD29DFE for ; Mon, 28 Apr 2014 16:05:12 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 893DA304064 for ; Mon, 28 Apr 2014 14:05:12 -0700 (PDT) X-ASG-Debug-ID: 1398719103-04cb6c7291fde40005-NocioJ Received: from ipmail04.adl6.internode.on.net (ipmail04.adl6.internode.on.net [150.101.137.141]) by cuda.sgi.com with ESMTP id SA6VPCdCp9iNOxEu for ; Mon, 28 Apr 2014 14:05:10 -0700 (PDT) X-Barracuda-Envelope-From: dave@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.141 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AuNLANPBXlN5LEcvPGdsb2JhbABZgwaIRKNOAQEBBZsQFwMBAQEBODWCJQEBBScvMwgYMTkDBxQZiEDIcoVajT8Ery0rgS4k Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail04.adl6.internode.on.net with ESMTP; 29 Apr 2014 06:35:02 +0930 Received: from disappointment.disaster.area ([192.168.1.110] helo=disappointment) by dastard with esmtp (Exim 4.80) (envelope-from ) id 1WesjV-000516-Lo for xfs@oss.sgi.com; Tue, 29 Apr 2014 07:05:01 +1000 Received: from dave by disappointment with local (Exim 4.82) (envelope-from ) id 1WesjV-00051E-L4 for xfs@oss.sgi.com; Tue, 29 Apr 2014 07:05:01 +1000 From: Dave Chinner To: xfs@oss.sgi.com Subject: [PATCH 9/9] repair: detect and handle attribute tree CRC errors Date: Tue, 29 Apr 2014 07:04:59 +1000 X-ASG-Orig-Subj: [PATCH 9/9] repair: detect and handle attribute tree CRC errors Message-Id: <1398719099-19194-10-git-send-email-david@fromorbit.com> X-Mailer: git-send-email 1.9.0 In-Reply-To: <1398719099-19194-1-git-send-email-david@fromorbit.com> References: <1398719099-19194-1-git-send-email-david@fromorbit.com> X-Barracuda-Connect: ipmail04.adl6.internode.on.net[150.101.137.141] X-Barracuda-Start-Time: 1398719110 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5330 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- From: Dave Chinner Currently the attribute code will not detect and correct errors in the attribute tree. It also fails to validate the CRCs and headers on remote attribute blocks. Ensure that all the attribute blocks are CRC checked and that the processing functions understand the correct block formats for decoding. Signed-off-by: Dave Chinner --- repair/attr_repair.c | 45 +++++++++++++++++++++++++++++++++++++-------- 1 file changed, 37 insertions(+), 8 deletions(-) diff --git a/repair/attr_repair.c b/repair/attr_repair.c index ba85ac2..9b57960 100644 --- a/repair/attr_repair.c +++ b/repair/attr_repair.c @@ -604,6 +604,7 @@ verify_da_path(xfs_mount_t *mp, libxfs_putbuf(bp); return(1); } + /* * update cursor, write out the *current* level if * required. don't write out the descendant level @@ -615,6 +616,8 @@ verify_da_path(xfs_mount_t *mp, libxfs_writebuf(cursor->level[this_level].bp, 0); else libxfs_putbuf(cursor->level[this_level].bp); + + /* switch cursor to point at the new buffer we just read */ cursor->level[this_level].bp = bp; cursor->level[this_level].dirty = 0; cursor->level[this_level].bno = dabno; @@ -624,6 +627,14 @@ verify_da_path(xfs_mount_t *mp, cursor->level[this_level].n = newnode; #endif entry = cursor->level[this_level].index = 0; + + /* + * We want to rewrite the buffer a CRC error seeing as it + * contains what appears to be a valid node block, but only if + * we are fixing errors. + */ + if (bp->b_error == EFSBADCRC && !no_modify) + cursor->level[this_level].dirty++; } /* * ditto for block numbers @@ -974,6 +985,10 @@ rmtval_get(xfs_mount_t *mp, xfs_ino_t ino, blkmap_t *blkmap, xfs_dfsbno_t bno; xfs_buf_t *bp; int clearit = 0, i = 0, length = 0, amountdone = 0; + int hdrsize = 0; + + if (xfs_sb_version_hascrc(&mp->m_sb)) + hdrsize = sizeof(struct xfs_attr3_rmt_hdr); /* ASSUMPTION: valuelen is a valid number, so use it for looping */ /* Note that valuelen is not a multiple of blocksize */ @@ -986,16 +1001,26 @@ rmtval_get(xfs_mount_t *mp, xfs_ino_t ino, blkmap_t *blkmap, break; } bp = libxfs_readbuf(mp->m_dev, XFS_FSB_TO_DADDR(mp, bno), - XFS_FSB_TO_BB(mp, 1), 0, NULL); + XFS_FSB_TO_BB(mp, 1), 0, + &xfs_attr3_rmt_buf_ops); if (!bp) { do_warn( _("can't read remote block for attributes of inode %" PRIu64 "\n"), ino); clearit = 1; break; } + + if (bp->b_error == EFSBADCRC || bp->b_error == EFSCORRUPTED) { + do_warn( + _("Corrupt remote block for attributes of inode %" PRIu64 "\n"), ino); + clearit = 1; + break; + } + ASSERT(mp->m_sb.sb_blocksize == XFS_BUF_COUNT(bp)); - length = MIN(XFS_BUF_COUNT(bp), valuelen - amountdone); - memmove(value, XFS_BUF_PTR(bp), length); + + length = MIN(XFS_BUF_COUNT(bp) - hdrsize, valuelen - amountdone); + memmove(value, XFS_BUF_PTR(bp) + hdrsize, length); amountdone += length; value += length; i++; @@ -1143,7 +1168,6 @@ process_leaf_attr_block( xfs_attr3_leaf_hdr_from_disk(&leafhdr, leaf); clearit = usedbs = 0; - *repair = 0; firstb = mp->m_sb.sb_blocksize; stop = xfs_attr3_leaf_hdr_size(leaf); @@ -1320,13 +1344,16 @@ process_leaf_attr_level(xfs_mount_t *mp, } bp = libxfs_readbuf(mp->m_dev, XFS_FSB_TO_DADDR(mp, dev_bno), - XFS_FSB_TO_BB(mp, 1), 0, NULL); + XFS_FSB_TO_BB(mp, 1), 0, + &xfs_attr3_leaf_buf_ops); if (!bp) { do_warn( _("can't read file block %u (fsbno %" PRIu64 ") for attribute fork of inode %" PRIu64 "\n"), da_bno, dev_bno, ino); goto error_out; } + if (bp->b_error == EFSBADCRC) + repair++; leaf = bp->b_addr; xfs_attr3_leaf_hdr_from_disk(&leafhdr, leaf); @@ -1382,9 +1409,9 @@ process_leaf_attr_level(xfs_mount_t *mp, current_hashval = greatest_hashval; - if (repair && !no_modify) + if (repair && !no_modify) libxfs_writebuf(bp, 0); - else + else libxfs_putbuf(bp); } while (da_bno != 0); @@ -1512,6 +1539,8 @@ process_longform_attr( ino); return(1); } + if (bp->b_error == EFSBADCRC) + (*repair)++; /* verify leaf block */ leaf = (xfs_attr_leafblock_t *)XFS_BUF_PTR(bp); @@ -1555,7 +1584,7 @@ process_longform_attr( case XFS_DA_NODE_MAGIC: /* btree-form attribute */ case XFS_DA3_NODE_MAGIC: /* must do this now, to release block 0 before the traversal */ - if (repairlinks) { + if (*repair || repairlinks) { *repair = 1; libxfs_writebuf(bp, 0); } else -- 1.9.0 From dave@fromorbit.com Mon Apr 28 16:05:13 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 38F5029DFE for ; Mon, 28 Apr 2014 16:05:13 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 2E9B88F804B for ; Mon, 28 Apr 2014 14:05:13 -0700 (PDT) X-ASG-Debug-ID: 1398719105-04cbb03cc7fad40002-NocioJ Received: from ipmail04.adl6.internode.on.net (ipmail04.adl6.internode.on.net [150.101.137.141]) by cuda.sgi.com with ESMTP id O9QZVZ0yoqEC7EUT for ; Mon, 28 Apr 2014 14:05:11 -0700 (PDT) X-Barracuda-Envelope-From: dave@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.141 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AuNLANPBXlN5LEcvPGdsb2JhbABZgwaIRKNOAQEBBZsQFwMBAQEBODWCJQEBBScvMwgYMTkDBxQZiEDIcoVaiBuBAYQjBK8tK4Es Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail04.adl6.internode.on.net with ESMTP; 29 Apr 2014 06:35:03 +0930 Received: from disappointment.disaster.area ([192.168.1.110] helo=disappointment) by dastard with esmtp (Exim 4.80) (envelope-from ) id 1WesjV-000514-LQ for xfs@oss.sgi.com; Tue, 29 Apr 2014 07:05:01 +1000 Received: from dave by disappointment with local (Exim 4.82) (envelope-from ) id 1WesjV-000519-Kh for xfs@oss.sgi.com; Tue, 29 Apr 2014 07:05:01 +1000 From: Dave Chinner To: xfs@oss.sgi.com Subject: [PATCH 8/9] repair: handle remote symlink CRC errors Date: Tue, 29 Apr 2014 07:04:58 +1000 X-ASG-Orig-Subj: [PATCH 8/9] repair: handle remote symlink CRC errors Message-Id: <1398719099-19194-9-git-send-email-david@fromorbit.com> X-Mailer: git-send-email 1.9.0 In-Reply-To: <1398719099-19194-1-git-send-email-david@fromorbit.com> References: <1398719099-19194-1-git-send-email-david@fromorbit.com> X-Barracuda-Connect: ipmail04.adl6.internode.on.net[150.101.137.141] X-Barracuda-Start-Time: 1398719111 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5331 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- From: Dave Chinner We can't really repair broken symlink buffer contents, but we can at least warn about it and correct the CRC error so the symlink is again readable. Signed-off-by: Dave Chinner --- repair/dinode.c | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) diff --git a/repair/dinode.c b/repair/dinode.c index b086bec..8891e84 100644 --- a/repair/dinode.c +++ b/repair/dinode.c @@ -1254,6 +1254,7 @@ process_symlink_remote( while (pathlen > 0) { int blk_cnt = 1; int byte_cnt; + int badcrc = 0; fsbno = blkmap_get(blkmap, i); if (fsbno == NULLDFSBNO) { @@ -1284,6 +1285,12 @@ _("cannot read inode %" PRIu64 ", file block %d, disk block %" PRIu64 "\n"), lino, i, fsbno); return 1; } + if (bp->b_error == EFSBADCRC) { + do_warn( +_("Bad symlink buffer CRC, block %" PRIu64 ", inode %" PRIu64 ".\n" + "Correcting CRC, but symlink may be bad.\n"), fsbno, lino); + badcrc = 1; + } byte_cnt = XFS_SYMLINK_BUF_SPACE(mp, byte_cnt); byte_cnt = MIN(pathlen, byte_cnt); @@ -1307,7 +1314,10 @@ _("bad symlink header ino %" PRIu64 ", file block %d, disk block %" PRIu64 "\n") offset += byte_cnt; i++; - libxfs_putbuf(bp); + if (badcrc && !no_modify) + libxfs_writebuf(bp, 0); + else + libxfs_putbuf(bp); } return 0; } -- 1.9.0 From dave@fromorbit.com Mon Apr 28 16:05:13 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id B2E5529DFE for ; Mon, 28 Apr 2014 16:05:13 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 39BCEAC003 for ; Mon, 28 Apr 2014 14:05:13 -0700 (PDT) X-ASG-Debug-ID: 1398719108-04cb6c7292fdea0002-NocioJ Received: from ipmail04.adl6.internode.on.net (ipmail04.adl6.internode.on.net [150.101.137.141]) by cuda.sgi.com with ESMTP id ZCkqU7DTTuhnbl7J for ; Mon, 28 Apr 2014 14:05:11 -0700 (PDT) X-Barracuda-Envelope-From: dave@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.141 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AuNLANPBXlN5LEcvPGdsb2JhbABZgwaIRKNOAQEBBZsQFwMBAQEBODWCJQEBBScvMwgYMTkDBxQZiEDIcoVajT8Ery0rgS4k Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail04.adl6.internode.on.net with ESMTP; 29 Apr 2014 06:35:02 +0930 Received: from disappointment.disaster.area ([192.168.1.110] helo=disappointment) by dastard with esmtp (Exim 4.80) (envelope-from ) id 1WesjV-00050w-IZ for xfs@oss.sgi.com; Tue, 29 Apr 2014 07:05:01 +1000 Received: from dave by disappointment with local (Exim 4.82) (envelope-from ) id 1WesjV-00050k-Hm for xfs@oss.sgi.com; Tue, 29 Apr 2014 07:05:01 +1000 From: Dave Chinner To: xfs@oss.sgi.com Subject: [PATCH 3/9] repair: ensure prefetched buffers have CRCs validated Date: Tue, 29 Apr 2014 07:04:53 +1000 X-ASG-Orig-Subj: [PATCH 3/9] repair: ensure prefetched buffers have CRCs validated Message-Id: <1398719099-19194-4-git-send-email-david@fromorbit.com> X-Mailer: git-send-email 1.9.0 In-Reply-To: <1398719099-19194-1-git-send-email-david@fromorbit.com> References: <1398719099-19194-1-git-send-email-david@fromorbit.com> X-Barracuda-Connect: ipmail04.adl6.internode.on.net[150.101.137.141] X-Barracuda-Start-Time: 1398719110 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5330 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- From: Dave Chinner Prefetch currently does not do CRC validation when the IO completes due to the optimisation it performs and the fact that it does not know what the type of metadata into the buffer is supposed to be. Hence, mark all prefetched buffers as "suspect" so that when the end user tries to read it with a supplied validation function the validation is run even though the buffer was already in the cache. Signed-off-by: Dave Chinner --- include/libxfs.h | 2 ++ libxfs/rdwr.c | 58 ++++++++++++++++++++++++++++++++++++++++--------------- repair/prefetch.c | 7 ++++--- 3 files changed, 48 insertions(+), 19 deletions(-) diff --git a/include/libxfs.h b/include/libxfs.h index 6b1e276..9c10957 100644 --- a/include/libxfs.h +++ b/include/libxfs.h @@ -436,6 +436,8 @@ extern void libxfs_putbuf (xfs_buf_t *); #endif +extern void libxfs_readbuf_verify(struct xfs_buf *bp, + const struct xfs_buf_ops *ops); extern xfs_buf_t *libxfs_getsb(xfs_mount_t *, int); extern void libxfs_bcache_purge(void); extern void libxfs_bcache_flush(void); diff --git a/libxfs/rdwr.c b/libxfs/rdwr.c index 7208a2f..ea4bdfd 100644 --- a/libxfs/rdwr.c +++ b/libxfs/rdwr.c @@ -708,6 +708,17 @@ libxfs_readbufr(struct xfs_buftarg *btp, xfs_daddr_t blkno, xfs_buf_t *bp, return error; } +void +libxfs_readbuf_verify(struct xfs_buf *bp, const struct xfs_buf_ops *ops) +{ + if (!ops) + return; + bp->b_ops = ops; + bp->b_ops->verify_read(bp); + bp->b_flags &= ~LIBXFS_B_UNCHECKED; +} + + xfs_buf_t * libxfs_readbuf(struct xfs_buftarg *btp, xfs_daddr_t blkno, int len, int flags, const struct xfs_buf_ops *ops) @@ -718,23 +729,38 @@ libxfs_readbuf(struct xfs_buftarg *btp, xfs_daddr_t blkno, int len, int flags, bp = libxfs_getbuf(btp, blkno, len); if (!bp) return NULL; - if ((bp->b_flags & (LIBXFS_B_UPTODATE|LIBXFS_B_DIRTY))) + + /* + * if the buffer was prefetched, it is likely that it was not validated. + * Hence if we are supplied an ops function and the buffer is marked as + * unchecked, we need to validate it now. + * + * We do this verification even if the buffer is dirty - the + * verification is almost certainly going to fail the CRC check in this + * case as a dirty buffer has not had the CRC recalculated. However, we + * should not be dirtying unchecked buffers and therefore failing it + * here because it's dirty and unchecked indicates we've screwed up + * somewhere else. + */ + bp->b_error = 0; + if ((bp->b_flags & (LIBXFS_B_UPTODATE|LIBXFS_B_DIRTY))) { + if (bp->b_flags & LIBXFS_B_UNCHECKED) + libxfs_readbuf_verify(bp, ops); return bp; + } /* - * only set the ops on a cache miss (i.e. first physical read) as the - * verifier may change the ops to match the typ eof buffer it contains. + * Set the ops on a cache miss (i.e. first physical read) as the + * verifier may change the ops to match the type of buffer it contains. * A cache hit might reset the verifier to the original type if we set * it again, but it won't get called again and set to match the buffer * contents. *cough* xfs_da_node_buf_ops *cough*. */ - bp->b_error = 0; - bp->b_ops = ops; error = libxfs_readbufr(btp, blkno, bp, len, flags); if (error) bp->b_error = error; - else if (bp->b_ops) - bp->b_ops->verify_read(bp); + else + libxfs_readbuf_verify(bp, ops); return bp; } @@ -786,16 +812,15 @@ libxfs_readbuf_map(struct xfs_buftarg *btp, struct xfs_buf_map *map, int nmaps, return NULL; bp->b_error = 0; - bp->b_ops = ops; - if ((bp->b_flags & (LIBXFS_B_UPTODATE|LIBXFS_B_DIRTY))) + if ((bp->b_flags & (LIBXFS_B_UPTODATE|LIBXFS_B_DIRTY))) { + if (bp->b_flags & LIBXFS_B_UNCHECKED) + libxfs_readbuf_verify(bp, ops); return bp; - - error = libxfs_readbufr_map(btp, bp, flags); - if (!error) { - bp->b_flags |= LIBXFS_B_UPTODATE; - if (bp->b_ops) - bp->b_ops->verify_read(bp); } + error = libxfs_readbufr_map(btp, bp, flags); + if (!error) + libxfs_readbuf_verify(bp, ops); + #ifdef IO_DEBUG printf("%lx: %s: read %lu bytes, error %d, blkno=%llu(%llu), %p\n", pthread_self(), __FUNCTION__, buf - (char *)bp->b_addr, error, @@ -888,7 +913,8 @@ libxfs_writebufr(xfs_buf_t *bp) #endif if (!error) { bp->b_flags |= LIBXFS_B_UPTODATE; - bp->b_flags &= ~(LIBXFS_B_DIRTY | LIBXFS_B_EXIT); + bp->b_flags &= ~(LIBXFS_B_DIRTY | LIBXFS_B_EXIT | + LIBXFS_B_UNCHECKED); } return error; } diff --git a/repair/prefetch.c b/repair/prefetch.c index 6d6d344..65fedf5 100644 --- a/repair/prefetch.c +++ b/repair/prefetch.c @@ -387,8 +387,7 @@ pf_read_inode_dirs( int hasdir = 0; int isadir; - bp->b_ops = &xfs_inode_buf_ops; - bp->b_ops->verify_read(bp); + libxfs_readbuf_verify(bp, &xfs_inode_buf_ops); if (bp->b_error) return; @@ -460,6 +459,7 @@ pf_read_discontig( pthread_mutex_unlock(&args->lock); libxfs_readbufr_map(mp->m_ddev_targp, bp, 0); + bp->b_flags |= LIBXFS_B_UNCHECKED; libxfs_putbuf(bp); pthread_mutex_lock(&args->lock); } @@ -582,7 +582,8 @@ pf_batch_read( if (len < size) break; memcpy(XFS_BUF_PTR(bplist[i]), pbuf, size); - bplist[i]->b_flags |= LIBXFS_B_UPTODATE; + bplist[i]->b_flags |= (LIBXFS_B_UPTODATE | + LIBXFS_B_UNCHECKED); len -= size; if (B_IS_INODE(XFS_BUF_PRIORITY(bplist[i]))) pf_read_inode_dirs(args, bplist[i]); -- 1.9.0 From dave@fromorbit.com Mon Apr 28 16:05:15 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id F17BC29E21 for ; Mon, 28 Apr 2014 16:05:14 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 695FEAC002 for ; Mon, 28 Apr 2014 14:05:14 -0700 (PDT) X-ASG-Debug-ID: 1398719103-04cb6c7291fde40006-NocioJ Received: from ipmail04.adl6.internode.on.net (ipmail04.adl6.internode.on.net [150.101.137.141]) by cuda.sgi.com with ESMTP id NQkXAOdsLZ4Y9NIz for ; Mon, 28 Apr 2014 14:05:12 -0700 (PDT) X-Barracuda-Envelope-From: dave@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.141 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AuNLANPBXlN5LEcvPGdsb2JhbABZgwaIRKNOAQEBBZsQFwMBAQEBODWCJQEBBScvMwgYMTkDBxQZiEDIcoVajT8Ery0r Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail04.adl6.internode.on.net with ESMTP; 29 Apr 2014 06:35:03 +0930 Received: from disappointment.disaster.area ([192.168.1.110] helo=disappointment) by dastard with esmtp (Exim 4.80) (envelope-from ) id 1WesjV-000513-Kz for xfs@oss.sgi.com; Tue, 29 Apr 2014 07:05:01 +1000 Received: from dave by disappointment with local (Exim 4.82) (envelope-from ) id 1WesjV-000514-KA for xfs@oss.sgi.com; Tue, 29 Apr 2014 07:05:01 +1000 From: Dave Chinner To: xfs@oss.sgi.com Subject: [PATCH 7/9] repair: remove more dirv1 leftovers Date: Tue, 29 Apr 2014 07:04:57 +1000 X-ASG-Orig-Subj: [PATCH 7/9] repair: remove more dirv1 leftovers Message-Id: <1398719099-19194-8-git-send-email-david@fromorbit.com> X-Mailer: git-send-email 1.9.0 In-Reply-To: <1398719099-19194-1-git-send-email-david@fromorbit.com> References: <1398719099-19194-1-git-send-email-david@fromorbit.com> X-Barracuda-Connect: ipmail04.adl6.internode.on.net[150.101.137.141] X-Barracuda-Start-Time: 1398719111 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5330 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- From: Dave Chinner get_bmapi() and it's children were only called by dirv1 code. There are no current callers, so remove them. Signed-off-by: Dave Chinner Reviewed-by: Christoph Hellwig --- repair/dinode.c | 239 -------------------------------------------------------- repair/dinode.h | 6 -- 2 files changed, 245 deletions(-) diff --git a/repair/dinode.c b/repair/dinode.c index 48f17ac..b086bec 100644 --- a/repair/dinode.c +++ b/repair/dinode.c @@ -870,245 +870,6 @@ get_agino_buf(xfs_mount_t *mp, } /* - * these next routines return the filesystem blockno of the - * block containing the block "bno" in the file whose bmap - * tree (or extent list) is rooted by "rootblock". - * - * the next routines are utility routines for the third - * routine, get_bmapi(). - * - * NOTE: getfunc_extlist only used by dirv1 checking code - */ -static xfs_dfsbno_t -getfunc_extlist(xfs_mount_t *mp, - xfs_ino_t ino, - xfs_dinode_t *dip, - xfs_dfiloff_t bno, - int whichfork) -{ - xfs_bmbt_irec_t irec; - xfs_dfsbno_t final_fsbno = NULLDFSBNO; - xfs_bmbt_rec_t *rootblock = (xfs_bmbt_rec_t *) - XFS_DFORK_PTR(dip, whichfork); - xfs_extnum_t nextents = XFS_DFORK_NEXTENTS(dip, whichfork); - int i; - - for (i = 0; i < nextents; i++) { - libxfs_bmbt_disk_get_all(rootblock + i, &irec); - if (irec.br_startoff <= bno && - bno < irec.br_startoff + irec.br_blockcount) { - final_fsbno = bno - irec.br_startoff + irec.br_startblock; - break; - } - } - - return(final_fsbno); -} - -/* - * NOTE: getfunc_btree only used by dirv1 checking code... - */ -static xfs_dfsbno_t -getfunc_btree(xfs_mount_t *mp, - xfs_ino_t ino, - xfs_dinode_t *dip, - xfs_dfiloff_t bno, - int whichfork) -{ - int i; -#ifdef DEBUG - int prev_level; -#endif - int found; - int numrecs; - xfs_bmbt_rec_t *rec; - xfs_bmbt_irec_t irec; - xfs_bmbt_ptr_t *pp; - xfs_bmbt_key_t *key; - xfs_bmdr_key_t *rkey; - xfs_bmdr_ptr_t *rp; - xfs_dfsbno_t fsbno; - xfs_buf_t *bp; - xfs_dfsbno_t final_fsbno = NULLDFSBNO; - struct xfs_btree_block *block; - xfs_bmdr_block_t *rootblock = (xfs_bmdr_block_t *) - XFS_DFORK_PTR(dip, whichfork); - - ASSERT(rootblock->bb_level != 0); - /* - * deal with root block, it's got a slightly different - * header structure than interior nodes. We know that - * a btree should have at least 2 levels otherwise it - * would be an extent list. - */ - rkey = XFS_BMDR_KEY_ADDR(rootblock, 1); - rp = XFS_BMDR_PTR_ADDR(rootblock, 1, - xfs_bmdr_maxrecs(mp, XFS_DFORK_SIZE(dip, mp, whichfork), 1)); - found = -1; - for (i = 0; i < be16_to_cpu(rootblock->bb_numrecs) - 1; i++) { - if (be64_to_cpu(rkey[i].br_startoff) <= bno && - bno < be64_to_cpu(rkey[i + 1].br_startoff)) { - found = i; - break; - } - } - if (i == be16_to_cpu(rootblock->bb_numrecs) - 1 && - bno >= be64_to_cpu(rkey[i].br_startoff)) - found = i; - - ASSERT(found != -1); - - fsbno = be64_to_cpu(rp[found]); - - ASSERT(verify_dfsbno(mp, fsbno)); - - bp = libxfs_readbuf(mp->m_dev, XFS_FSB_TO_DADDR(mp, fsbno), - XFS_FSB_TO_BB(mp, 1), 0, NULL); - if (!bp) { - do_error(_("cannot read bmap block %" PRIu64 "\n"), fsbno); - return(NULLDFSBNO); - } - block = XFS_BUF_TO_BLOCK(bp); - numrecs = be16_to_cpu(block->bb_numrecs); - - /* - * ok, now traverse any interior btree nodes - */ -#ifdef DEBUG - prev_level = be16_to_cpu(block->bb_level); -#endif - - while (be16_to_cpu(block->bb_level) > 0) { -#ifdef DEBUG - ASSERT(be16_to_cpu(block->bb_level) < prev_level); - - prev_level = be16_to_cpu(block->bb_level); -#endif - if (numrecs > mp->m_bmap_dmxr[1]) { - do_warn( -_("# of bmap records in inode %" PRIu64 " exceeds max (%u, max - %u)\n"), - ino, numrecs, - mp->m_bmap_dmxr[1]); - libxfs_putbuf(bp); - return(NULLDFSBNO); - } - if (verbose && numrecs < mp->m_bmap_dmnr[1]) { - do_warn( -_("- # of bmap records in inode %" PRIu64 " less than minimum (%u, min - %u), proceeding ...\n"), - ino, numrecs, mp->m_bmap_dmnr[1]); - } - key = XFS_BMBT_KEY_ADDR(mp, block, 1); - pp = XFS_BMBT_PTR_ADDR(mp, block, 1, mp->m_bmap_dmxr[1]); - for (found = -1, i = 0; i < numrecs - 1; i++) { - if (be64_to_cpu(key[i].br_startoff) <= bno && bno < - be64_to_cpu(key[i + 1].br_startoff)) { - found = i; - break; - } - } - if (i == numrecs - 1 && bno >= be64_to_cpu(key[i].br_startoff)) - found = i; - - ASSERT(found != -1); - fsbno = be64_to_cpu(pp[found]); - - ASSERT(verify_dfsbno(mp, fsbno)); - - /* - * release current btree block and read in the - * next btree block to be traversed - */ - libxfs_putbuf(bp); - bp = libxfs_readbuf(mp->m_dev, XFS_FSB_TO_DADDR(mp, fsbno), - XFS_FSB_TO_BB(mp, 1), 0, NULL); - if (!bp) { - do_error(_("cannot read bmap block %" PRIu64 "\n"), - fsbno); - return(NULLDFSBNO); - } - block = XFS_BUF_TO_BLOCK(bp); - numrecs = be16_to_cpu(block->bb_numrecs); - } - - /* - * current block must be a leaf block - */ - ASSERT(be16_to_cpu(block->bb_level) == 0); - if (numrecs > mp->m_bmap_dmxr[0]) { - do_warn( -_("# of bmap records in inode %" PRIu64 " greater than maximum (%u, max - %u)\n"), - ino, numrecs, mp->m_bmap_dmxr[0]); - libxfs_putbuf(bp); - return(NULLDFSBNO); - } - if (verbose && numrecs < mp->m_bmap_dmnr[0]) - do_warn( -_("- # of bmap records in inode %" PRIu64 " less than minimum (%u, min - %u), continuing...\n"), - ino, numrecs, mp->m_bmap_dmnr[0]); - - rec = XFS_BMBT_REC_ADDR(mp, block, 1); - for (i = 0; i < numrecs; i++) { - libxfs_bmbt_disk_get_all(rec + i, &irec); - if (irec.br_startoff <= bno && - bno < irec.br_startoff + irec.br_blockcount) { - final_fsbno = bno - irec.br_startoff + - irec.br_startblock; - break; - } - } - libxfs_putbuf(bp); - - if (final_fsbno == NULLDFSBNO) - do_warn(_("could not map block %" PRIu64 "\n"), bno); - - return(final_fsbno); -} - -/* - * this could be smarter. maybe we should have an open inode - * routine that would get the inode buffer and return back - * an inode handle. I'm betting for the moment that this - * is used only by the directory and attribute checking code - * and that the avl tree find and buffer cache search are - * relatively cheap. If they're too expensive, we'll just - * have to fix this and add an inode handle to the da btree - * cursor. - * - * caller is responsible for checking doubly referenced blocks - * and references to holes - * - * NOTE: get_bmapi only used by dirv1 checking code - */ -xfs_dfsbno_t -get_bmapi(xfs_mount_t *mp, xfs_dinode_t *dino_p, - xfs_ino_t ino_num, xfs_dfiloff_t bno, int whichfork) -{ - xfs_dfsbno_t fsbno; - - switch (XFS_DFORK_FORMAT(dino_p, whichfork)) { - case XFS_DINODE_FMT_EXTENTS: - fsbno = getfunc_extlist(mp, ino_num, dino_p, bno, whichfork); - break; - case XFS_DINODE_FMT_BTREE: - fsbno = getfunc_btree(mp, ino_num, dino_p, bno, whichfork); - break; - case XFS_DINODE_FMT_LOCAL: - do_error(_("get_bmapi() called for local inode %" PRIu64 "\n"), - ino_num); - fsbno = NULLDFSBNO; - break; - default: - /* - * shouldn't happen - */ - do_error(_("bad inode format for inode %" PRIu64 "\n"), ino_num); - fsbno = NULLDFSBNO; - } - - return(fsbno); -} - -/* * higher level inode processing stuff starts here: * first, one utility routine for each type of inode */ diff --git a/repair/dinode.h b/repair/dinode.h index 5ee51ca..80f3e4e 100644 --- a/repair/dinode.h +++ b/repair/dinode.h @@ -119,12 +119,6 @@ get_agino_buf(xfs_mount_t *mp, xfs_agino_t agino, xfs_dinode_t **dipp); -xfs_dfsbno_t -get_bmapi(xfs_mount_t *mp, - xfs_dinode_t *dip, - xfs_ino_t ino_num, - xfs_dfiloff_t bno, - int whichfork ); void dinode_bmbt_translation_init(void); char * get_forkname(int whichfork); -- 1.9.0 From tinguely@sgi.com Mon Apr 28 16:39:49 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=RP_MATCHES_RCVD autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id CF3CB29DF8 for ; Mon, 28 Apr 2014 16:39:49 -0500 (CDT) Received: from eagdhcp-232-128.americas.sgi.com (eagdhcp-232-128.americas.sgi.com [128.162.232.128]) by relay2.corp.sgi.com (Postfix) with ESMTP id 6743A304048; Mon, 28 Apr 2014 14:39:49 -0700 (PDT) Message-ID: <535ECAA6.3050200@sgi.com> Date: Mon, 28 Apr 2014 16:39:50 -0500 From: Mark Tinguely User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:9.0) Gecko/20120122 Thunderbird/9.0 MIME-Version: 1.0 To: Dave Chinner CC: Eric Sandeen , Boris Ranto , xfs-oss Subject: Re: [PATCH] xfs: test for shut down fs in xfs_dir_fsync() References: <535E8344.2070209@redhat.com> <20140428205420.GB18672@dastard> In-Reply-To: <20140428205420.GB18672@dastard> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit On 04/28/14 15:54, Dave Chinner wrote: > On Mon, Apr 28, 2014 at 11:35:16AM -0500, Eric Sandeen wrote: >> Similar to xfs_file_fsync(), I think xfs_dir_fsync() needs >> to test for a shut down fs, lest we go down paths we'll >> never be able to complete; Boris reported that during some >> stress tests he had threads stuck in xlog_cil_force_lsn >> via xfs_dir_fsync(). >> >> [ 3663.361709] sfsuspend-par D ffff88042f0b4540 0 3981 3947 0x00000080 >> >> [ 3663.394472] Call Trace: >> [ 3663.397199] [] schedule+0x29/0x70 >> [ 3663.402743] [] xlog_cil_force_lsn+0x185/0x1a0 [xfs] >> [ 3663.416249] [] _xfs_log_force_lsn+0x6f/0x2f0 [xfs] >> [ 3663.429271] [] xfs_dir_fsync+0x7d/0xe0 [xfs] >> [ 3663.435873] [] do_fsync+0x65/0xa0 >> [ 3663.441408] [] SyS_fsync+0x10/0x20 >> [ 3663.447043] [] system_call_fastpath+0x16/0x1b > > Wow, I believe it's taken this long for us to notice that we can't > break out of xlog_cil_force_lsn() if we fail on xlog_write() > from a CIL push. > > I'd say that xlog_cil_force_lsn() needs log shutdown checks before > it goes to sleep in xlog_wait().... > >> Reported-by: Boris Ranto >> Signed-off-by: Eric Sandeen >> --- >> >> NB: While I've not asked Boris to test this yet, it seems >> clear (?) that dir_fsync should behave the same as >> file_fsync() in the face of a shut-down fs. >> >> diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c >> index 4c749ab..2b94362 100644 >> --- a/fs/xfs/xfs_file.c >> +++ b/fs/xfs/xfs_file.c >> @@ -146,6 +146,9 @@ xfs_dir_fsync( >> >> trace_xfs_dir_fsync(ip); >> >> + if (XFS_FORCED_SHUTDOWN(mp)) >> + return -XFS_ERROR(EIO); >> + > > That won't hurt, but it won't fix the problem. > > Cheers, > > Dave. Similar to what Jeff Liu mention in Dec: http://oss.sgi.com/archives/xfs/2013-12/msg00870.html --Mark. From david@fromorbit.com Mon Apr 28 17:19:25 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 192E029DF8 for ; Mon, 28 Apr 2014 17:19:25 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 0DBF7304048 for ; Mon, 28 Apr 2014 15:19:21 -0700 (PDT) X-ASG-Debug-ID: 1398723559-04cb6c7292102c10001-NocioJ Received: from ipmail04.adl6.internode.on.net (ipmail04.adl6.internode.on.net [150.101.137.141]) by cuda.sgi.com with ESMTP id j2FhdXvxszihWOWz for ; Mon, 28 Apr 2014 15:19:19 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.141 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AtZLAJ/TXlN5LEcvPGdsb2JhbABZgwZPqzcMAQEBBZl2gRoXAwEBAQE4NYIlAQEEAScTHCMFCwgDFQMJJQ8FJQMHGhOIOQcOyGYXFoVEhwOBfAeDJIEVBJkLinSLLis Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail04.adl6.internode.on.net with ESMTP; 29 Apr 2014 07:48:51 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1Wetsv-0005IB-80; Tue, 29 Apr 2014 08:18:49 +1000 Date: Tue, 29 Apr 2014 08:18:49 +1000 From: Dave Chinner To: Mark Tinguely Cc: Eric Sandeen , Boris Ranto , xfs-oss Subject: Re: [PATCH] xfs: test for shut down fs in xfs_dir_fsync() Message-ID: <20140428221849.GC18672@dastard> X-ASG-Orig-Subj: Re: [PATCH] xfs: test for shut down fs in xfs_dir_fsync() References: <535E8344.2070209@redhat.com> <20140428205420.GB18672@dastard> <535ECAA6.3050200@sgi.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <535ECAA6.3050200@sgi.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail04.adl6.internode.on.net[150.101.137.141] X-Barracuda-Start-Time: 1398723559 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5333 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Mon, Apr 28, 2014 at 04:39:50PM -0500, Mark Tinguely wrote: > On 04/28/14 15:54, Dave Chinner wrote: > >On Mon, Apr 28, 2014 at 11:35:16AM -0500, Eric Sandeen wrote: > >>Similar to xfs_file_fsync(), I think xfs_dir_fsync() needs > >>to test for a shut down fs, lest we go down paths we'll > >>never be able to complete; Boris reported that during some > >>stress tests he had threads stuck in xlog_cil_force_lsn > >>via xfs_dir_fsync(). > >> > >>[ 3663.361709] sfsuspend-par D ffff88042f0b4540 0 3981 3947 0x00000080 > >> > >>[ 3663.394472] Call Trace: > >>[ 3663.397199] [] schedule+0x29/0x70 > >>[ 3663.402743] [] xlog_cil_force_lsn+0x185/0x1a0 [xfs] > >>[ 3663.416249] [] _xfs_log_force_lsn+0x6f/0x2f0 [xfs] > >>[ 3663.429271] [] xfs_dir_fsync+0x7d/0xe0 [xfs] > >>[ 3663.435873] [] do_fsync+0x65/0xa0 > >>[ 3663.441408] [] SyS_fsync+0x10/0x20 > >>[ 3663.447043] [] system_call_fastpath+0x16/0x1b > > > >Wow, I believe it's taken this long for us to notice that we can't > >break out of xlog_cil_force_lsn() if we fail on xlog_write() > >from a CIL push. .... > Similar to what Jeff Liu mention in Dec: > > http://oss.sgi.com/archives/xfs/2013-12/msg00870.html Which fell through the cracks because of objections to calling wake_up_all(&ctx->cil->xc_commit_wait) from xlog_cil_committed(). FYI, I just independently wrote a patch to fix this, and part of the fix is that it calls wake_up_all(&ctx->cil->xc_commit_wait) from xlog_cil_committed(). The rest of the fix indicates that the above patch wasn't sufficient. Patch below. This time it isn't going to fall through the cracks because I don't think the objections are valid... Cheers, Dave. -- Dave Chinner david@fromorbit.com xfs: don't sleep in xlog_cil_force_lsn on shutdown From: Dave Chinner Reports of a shutdown hang when fsyncing a directory have surfaced, such as this: [ 3663.394472] Call Trace: [ 3663.397199] [] schedule+0x29/0x70 [ 3663.402743] [] xlog_cil_force_lsn+0x185/0x1a0 [xfs] [ 3663.416249] [] _xfs_log_force_lsn+0x6f/0x2f0 [xfs] [ 3663.429271] [] xfs_dir_fsync+0x7d/0xe0 [xfs] [ 3663.435873] [] do_fsync+0x65/0xa0 [ 3663.441408] [] SyS_fsync+0x10/0x20 [ 3663.447043] [] system_call_fastpath+0x16/0x1b If we trigger a shutdown in xlog_cil_push() from xlog_write(), we will never wake waiters on the current push sequence number, so anything waiting in xlog_cil_force_lsn() for that push sequence number to come up will not get woken and hence stall the shutdown. Fix this by ensuring we call wake_up_all(&cil->xc_commit_wait) in the push abort handling, in the log shutdown code when waking all waiters, and adding a shutdown check in the sequence completion wait loops to ensure they abort when a wakeup due to a shutdown occurs. Signed-off-by: Dave Chinner --- fs/xfs/xfs_log.c | 7 +++++-- fs/xfs/xfs_log_cil.c | 50 ++++++++++++++++++++++++++++++++++++++++++-------- 2 files changed, 47 insertions(+), 10 deletions(-) diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c index a5f8bd9..dbba2d7 100644 --- a/fs/xfs/xfs_log.c +++ b/fs/xfs/xfs_log.c @@ -3952,11 +3952,14 @@ xfs_log_force_umount( retval = xlog_state_ioerror(log); spin_unlock(&log->l_icloglock); } + /* - * Wake up everybody waiting on xfs_log_force. - * Callback all log item committed functions as if the + * Wake up everybody waiting on xfs_log_force. This needs to wake anyone + * waiting on a CIL push that is issued as part of a log force first + * before running the log item committed callback functions as if the * log writes were completed. */ + wake_up_all(&log->l_cilp->xc_commit_wait); xlog_state_do_callback(log, XFS_LI_ABORTED, NULL); #ifdef XFSERRORDEBUG diff --git a/fs/xfs/xfs_log_cil.c b/fs/xfs/xfs_log_cil.c index 7e54553..3a68ddf 100644 --- a/fs/xfs/xfs_log_cil.c +++ b/fs/xfs/xfs_log_cil.c @@ -385,7 +385,15 @@ xlog_cil_committed( xfs_extent_busy_clear(mp, &ctx->busy_extents, (mp->m_flags & XFS_MOUNT_DISCARD) && !abort); + /* + * If we are aborting the commit, wake up anyone waiting on the + * committing list. If we don't, then a shutdown we can leave processes + * waiting in xlog_cil_force_lsn() waiting on a sequence commit that + * will never happen because we aborted it. + */ spin_lock(&ctx->cil->xc_push_lock); + if (abort) + wake_up_all(&cil->xc_commit_wait); list_del(&ctx->committing); spin_unlock(&ctx->cil->xc_push_lock); @@ -564,8 +572,18 @@ restart: spin_lock(&cil->xc_push_lock); list_for_each_entry(new_ctx, &cil->xc_committing, committing) { /* + * Avoid getting stuck in this loop because we were woken by the + * shutdown, but then went back to sleep once already in the + * shutdown state. + */ + if (XLOG_FORCED_SHUTDOWN(log)) { + spin_unlock(&cil->xc_push_lock); + goto out_abort_free_ticket; + } + + /* * Higher sequences will wait for this one so skip them. - * Don't wait for own own sequence, either. + * Don't wait for our own sequence, either. */ if (new_ctx->sequence >= ctx->sequence) continue; @@ -810,6 +828,13 @@ restart: */ spin_lock(&cil->xc_push_lock); list_for_each_entry(ctx, &cil->xc_committing, committing) { + /* + * Avoid getting stuck in this loop because we were woken by the + * shutdown, but then went back to sleep once already in the + * shutdown state. + */ + if (XLOG_FORCED_SHUTDOWN(log)) + goto out_shutdown; if (ctx->sequence > sequence) continue; if (!ctx->commit_lsn) { @@ -833,14 +858,12 @@ restart: * push sequence after the above wait loop and the CIL still contains * dirty objects. * - * When the push occurs, it will empty the CIL and - * atomically increment the currect sequence past the push sequence and - * move it into the committing list. Of course, if the CIL is clean at - * the time of the push, it won't have pushed the CIL at all, so in that - * case we should try the push for this sequence again from the start - * just in case. + * When the push occurs, it will empty the CIL and atomically increment + * the currect sequence past the push sequence and move it into the + * committing list. Of course, if the CIL is clean at the time of the + * push, it won't have pushed the CIL at all, so in that case we should + * try the push for this sequence again from the start just in case. */ - if (sequence == cil->xc_current_sequence && !list_empty(&cil->xc_cil)) { spin_unlock(&cil->xc_push_lock); @@ -849,6 +872,17 @@ restart: spin_unlock(&cil->xc_push_lock); return commit_lsn; + + /* + * We detected a shutdown in progress. We need to trigger the log force + * to pass through it's iclog state machine error handling, even though + * we are already in a shutdown state. Hence we can't return + * NULLCOMMITLSN here as that has special meaning to log forces (i.e. + * LSN is already stable), so we return a zero LSN instead. + */ +out_shutdown: + spin_unlock(&cil->xc_push_lock); + return 0; } /* From bob.mastors@solidfire.com Mon Apr 28 17:29:13 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=HTML_MESSAGE autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 7FFE329DF8 for ; Mon, 28 Apr 2014 17:29:13 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 538108F8040 for ; Mon, 28 Apr 2014 15:29:10 -0700 (PDT) X-ASG-Debug-ID: 1398724142-04cbb03cc41008a0001-NocioJ Received: from mail-ve0-f173.google.com (mail-ve0-f173.google.com [209.85.128.173]) by cuda.sgi.com with ESMTP id gFqsZeHh4nbpxxBg (version=TLSv1 cipher=RC4-SHA bits=128 verify=NO) for ; Mon, 28 Apr 2014 15:29:03 -0700 (PDT) X-Barracuda-Envelope-From: bob.mastors@solidfire.com X-Barracuda-Apparent-Source-IP: 209.85.128.173 Received: by mail-ve0-f173.google.com with SMTP id oy12so8783774veb.18 for ; Mon, 28 Apr 2014 15:29:02 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:date:message-id:subject:from:to :content-type; bh=+YZ2aA3xzKPXQUbFXyFdVsFzr0PUaRXCWiRWjXQJDZA=; b=kq8bLU2dhc7v80Wr1eZNiF7rLuLUkTrk0kKrcIya2vCMSE4vldHHzpRTO9zveUPJQA ZUc45+Mzt+DMK5a0FFC2ZY3A1GKmvY/z4b1Ckowqr0aAYGC2KelNeV4luSc8H5mFlEGT 1VVjJS/vLiC+70PLI6Bz5wGojCVhS6uMM6hSpgxA0L3Q1QN/H6W00nGdgCwmiBcG4XPc 1XSH4vMB5HAS7fiC9daQJUUA6UwAMeTDvWv2GuSgS88Tflz25mnOz2cZkuYJaOHmM/h5 DYItwoVZZ/DOYuCeQ/ZYUy2zgL4/jCUvNpxgj34MBRPSLx72vTEglUJfuXLfFQgSrMXN mt+g== X-Gm-Message-State: ALoCoQm8V0OkNOJgK17Gl3439nCQLsA0LGM3LZyZgpTBr2BB5Fw8ImE6HFl6eJq0BxA6wSR4Q3oy MIME-Version: 1.0 X-Received: by 10.58.74.38 with SMTP id q6mr25126395vev.7.1398724142446; Mon, 28 Apr 2014 15:29:02 -0700 (PDT) Received: by 10.52.78.67 with HTTP; Mon, 28 Apr 2014 15:29:02 -0700 (PDT) Date: Mon, 28 Apr 2014 16:29:02 -0600 Message-ID: Subject: xfs umount hang in xfs_ail_push_all_sync on i/o error From: Bob Mastors X-ASG-Orig-Subj: xfs umount hang in xfs_ail_push_all_sync on i/o error To: xfs@oss.sgi.com Content-Type: multipart/alternative; boundary=047d7bacbedca64ec404f821d726 X-Barracuda-Connect: mail-ve0-f173.google.com[209.85.128.173] X-Barracuda-Start-Time: 1398724142 X-Barracuda-Encrypted: RC4-SHA X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Barracuda-BRTS-Status: 1 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=HTML_MESSAGE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5333 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 HTML_MESSAGE BODY: HTML included in message --047d7bacbedca64ec404f821d726 Content-Type: text/plain; charset=ISO-8859-1 Greetings, I have an xfs umount hang caused by forcing the block device to return i/o errors while copying files to the filesystem. Detailed steps to reproduce the problem on virtualbox are below. The linux version is a recent pull and reports as 3.15.0-rc3. [ 2040.248096] INFO: task umount:10303 blocked for more than 120 seconds. [ 2040.323947] Not tainted 3.15.0-rc3 #4 [ 2040.343423] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 2040.352665] umount D ffffffff8180fe40 0 10303 8691 0x00000000 [ 2040.404918] ffff88001e33dd58 0000000000000086 ffff88001e33dd48 ffffffff81080f82 [ 2040.489901] ffff88001b311900 0000000000013180 ffff88001e33dfd8 0000000000013180 [ 2040.534772] ffff88003daa3200 ffff88001b311900 ffff88002421aec0 ffff88002421ae80 [ 2040.587450] Call Trace: [ 2040.592176] [] ? try_to_wake_up+0x232/0x2b0 [ 2040.620212] [] schedule+0x29/0x70 [ 2040.627685] [] xfs_ail_push_all_sync+0x96/0xd0 [xfs] [ 2040.632236] [] ? __wake_up_sync+0x20/0x20 [ 2040.659105] [] xfs_unmountfs+0x63/0x160 [xfs] [ 2040.691774] [] ? kmem_free+0x35/0x40 [xfs] [ 2040.698610] [] xfs_fs_put_super+0x25/0x60 [xfs] [ 2040.706838] [] generic_shutdown_super+0x7e/0x100 [ 2040.723958] [] kill_block_super+0x30/0x80 [ 2040.734963] [] deactivate_locked_super+0x4d/0x80 [ 2040.745485] [] deactivate_super+0x4e/0x70 [ 2040.751274] [] mntput_no_expire+0xd2/0x160 [ 2040.755894] [] SyS_umount+0xaf/0x3b0 [ 2040.761032] [] system_call_fastpath+0x16/0x1b [ .060058] XFS (sdb): xfs_log_force: error 5 returned. [ 268059] XFS (sdb): xfs_log_force: error 5 returned. I took a look at xfs_ail_push_all_sync and it is pretty easy to see the hang. But it is not obvious to me how to fix it. Any ideas would be appreciated. I am available to run additional tests or capture more logging or whatever if that would help. Thanks, Bob virtual box setup ----------------- 1 GB ram 8 GB disk 4 processors Operating System: Linux Version: Debian (64 bit) Bridged networking iso: debian-7.4.0-amd64-netinst.iso Software selection select SSH server select Standard system utilities deselect everything else dhcp ip address: 172.17.5.129 upgrade linux to 3.15.0-rc3 --------------------------- ssh 172.17.5.129 su cd /mnt/ksrc/linux make modules_install make install reboot install tools ------------- ssh 172.17.5.129 su apt-get install xfsprogs apt-get install open-iscsi apt-get install --no-install-recommends targetcli python-urwid reboot reproduce bug ------------- ssh 172.17.5.129 su targetcli cd backstores fileio/ create name=file_backend2 file_or_dev=my_disk2 size=1G /iscsi create portals/ create 172.17.5.129 cd < luns/ create /backstores/fileio/file_backend2 cd < set attribute authentication=0 demo_mode_write_protect=0 generate_node_acls=1 cache_dynamic_acls=1 exit iscsiadm -m discovery -t sendtargets -p 172.17.5.129 iscsiadm -m node --login --target iqn.from_previous_iscsiadm_cmd_output fdisk -l mkfs -t xfs -f /dev/sdXX mkdir /mnt/vola put following lines in a shell script "foo.sh", fix up target and block device set -x iscsiadm -m node --target iqn.2003-01.org.linux-iscsi.debian.x8664:sn.51ab79ac3ce2 --login sleep 1 mount -t xfs /dev/sdb /mnt/vola sleep 10 iscsiadm -m node -U all sleep 1 umount /mnt/vola run the shell script in a loop like: while true; do ./foo.sh; done in another terminal run the following: while true; do cp -r /usr/lib /mnt/vola; done The hang seems to take from two to ten minutes to occur. --047d7bacbedca64ec404f821d726 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable
Greetings,

I have an xfs umo= unt hang caused by forcing the block device to return
i/o errors = while copying files to the filesystem.
Detailed steps to reproduc= e the problem on virtualbox are below.

The linux version is a recent pull and reports as 3.15.= 0-rc3.

[ 2040.248096] INFO: task umount:10303 bloc= ked for more than 120 seconds.
[ 2040.323947] =A0 =A0 =A0 Not tai= nted 3.15.0-rc3 #4
[ 2040.343423] "echo 0 > /proc/sys/kernel/hung_task_timeout_se= cs" disables this message.
[ 2040.352665] umount =A0 =A0 =A0= =A0 =A0D ffffffff8180fe40 =A0 =A0 0 10303 =A0 8691 0x00000000
[ = 2040.404918] =A0ffff88001e33dd58 0000000000000086 ffff88001e33dd48 ffffffff= 81080f82
[ 2040.489901] =A0ffff88001b311900 0000000000013180 ffff88001e33dfd8 0= 000000000013180
[ 2040.534772] =A0ffff88003daa3200 ffff88001b3119= 00 ffff88002421aec0 ffff88002421ae80
[ 2040.587450] Call Trace:
[ 2040.592176] =A0[<ffffffff81080f82>] ? try_to_wake_up+0x232/0x= 2b0
[ 2040.620212] =A0[<ffffffff816c54d9>] schedule+0x29/0x= 70
[ 2040.627685] =A0[<ffffffffa04c4cd6>] xfs_ail_push_all_= sync+0x96/0xd0 [xfs]
[ 2040.632236] =A0[<ffffffff81092230>] ? __wake_up_sync+0x20/0x2= 0
[ 2040.659105] =A0[<ffffffffa04731a3>] xfs_unmountfs+0x63= /0x160 [xfs]
[ 2040.691774] =A0[<ffffffffa0478f65>] ? kmem_= free+0x35/0x40 [xfs]
[ 2040.698610] =A0[<ffffffffa0474cf5>] xfs_fs_put_super+0x25/0x6= 0 [xfs]
[ 2040.706838] =A0[<ffffffff8119561e>] generic_shut= down_super+0x7e/0x100
[ 2040.723958] =A0[<ffffffff811956d0>= ] kill_block_super+0x30/0x80
[ 2040.734963] =A0[<ffffffff8119591d>] deactivate_locked_super+0= x4d/0x80
[ 2040.745485] =A0[<ffffffff8119652e>] deactivate_= super+0x4e/0x70
[ 2040.751274] =A0[<ffffffff811b1d42>] mntp= ut_no_expire+0xd2/0x160
[ 2040.755894] =A0[<ffffffff811b2fff>] SyS_umount+0xaf/0x3b0
[ 2040.761032] =A0[<ffffffff816d1592>] system_call_fastpath+0x= 16/0x1b
[ .060058] XFS (sdb): xfs_log_force: error 5 returned.
[ 268059] XFS (sdb): xfs_log_force: error 5 returned.

I took a look at xfs_ail_push_all_sync and it is pretty easy to se= e
the hang. But it is not obvious to me how to fix it.
Any ideas would be appreciated.

I am available to = run additional tests or capture more logging
or whatever if that = would help.

Thanks,
Bob

virtual box setup
-----------------
1 G= B ram
8 GB disk
4 processors
Operating System= : Linux
Version: Debian (64 bit)
Bridged networking
iso: debian-7.4.0-amd64-netinst.iso
Software selection
=
=A0 =A0 select SSH server
=A0 =A0 select Standard system uti= lities
=A0 =A0 deselect everything else
=A0 =A0=A0
dhcp ip address: 172.17.5.129

upgrade linux to 3.15.0-rc3
-----------------= ----------
ssh 172.17.5.129
su
cd /mnt/ksrc/l= inux
make modules_install
make install
reboot=

install tools
-------------
ssh 172= .17.5.129
su
apt-get install xfsprogs
apt-get= install open-iscsi
apt-get install --no-install-recommends targe= tcli python-urwid
reboot

reproduce bug
-------------<= /div>
ssh 172.17.5.129
su
targetcli
=A0 = =A0 cd backstores
=A0 =A0 fileio/ create name=3Dfile_backend2 fil= e_or_dev=3Dmy_disk2 size=3D1G
=A0 =A0 /iscsi create
=A0 =A0 portals/ create 172.17.5.129
=A0 =A0 cd <
=A0 =A0 luns/ create /backstores/fileio/= file_backend2
=A0 =A0 cd <
=A0 =A0 set attribute aut= hentication=3D0 demo_mode_write_protect=3D0 generate_node_acls=3D1 cache_dy= namic_acls=3D1
=A0 =A0 exit

iscsiadm -m discovery -t sendtar= gets -p 172.17.5.129
iscsiadm -m node --login --target iqn.from_p= revious_iscsiadm_cmd_output
fdisk -l
mkfs -t xfs -f /de= v/sdXX
mkdir /mnt/vola

put following lines in a shel= l script "foo.sh", fix up target and block device
=A0 = =A0 set -x
=A0 =A0 iscsiadm -m node --target iqn.2003-01.org.linu= x-iscsi.debian.x8664:sn.51ab79ac3ce2 --login
=A0 =A0 sleep 1
=A0 =A0 mount -t xfs /dev/sdb /mnt/vola
=A0 =A0 sleep 10
=A0 =A0 iscsiadm -m node -U all
= =A0 =A0 sleep 1
=A0 =A0 umount /mnt/vola

run the shell script in a loop like:
=A0 =A0 while true; do ./foo.sh; done

in anot= her terminal run the following:
=A0 =A0 while true; do cp -r /usr= /lib /mnt/vola; done

The hang seems to take from t= wo to ten minutes to occur.

--047d7bacbedca64ec404f821d726-- From tinguely@sgi.com Mon Apr 28 18:00:14 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=RP_MATCHES_RCVD autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 3F76329DF8 for ; Mon, 28 Apr 2014 18:00:14 -0500 (CDT) Received: from eagdhcp-232-128.americas.sgi.com (eagdhcp-232-128.americas.sgi.com [128.162.232.128]) by relay2.corp.sgi.com (Postfix) with ESMTP id C81A6304048; Mon, 28 Apr 2014 16:00:13 -0700 (PDT) Message-ID: <535EDD7F.9000002@sgi.com> Date: Mon, 28 Apr 2014 18:00:15 -0500 From: Mark Tinguely User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:9.0) Gecko/20120122 Thunderbird/9.0 MIME-Version: 1.0 To: Dave Chinner CC: Eric Sandeen , Boris Ranto , xfs-oss Subject: Re: [PATCH] xfs: test for shut down fs in xfs_dir_fsync() References: <535E8344.2070209@redhat.com> <20140428205420.GB18672@dastard> <535ECAA6.3050200@sgi.com> <20140428221849.GC18672@dastard> In-Reply-To: <20140428221849.GC18672@dastard> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit On 04/28/14 17:18, Dave Chinner wrote: > On Mon, Apr 28, 2014 at 04:39:50PM -0500, Mark Tinguely wrote: >> > On 04/28/14 15:54, Dave Chinner wrote: >>> > >On Mon, Apr 28, 2014 at 11:35:16AM -0500, Eric Sandeen wrote: >>>> > >>Similar to xfs_file_fsync(), I think xfs_dir_fsync() needs >>>> > >>to test for a shut down fs, lest we go down paths we'll >>>> > >>never be able to complete; Boris reported that during some >>>> > >>stress tests he had threads stuck in xlog_cil_force_lsn >>>> > >>via xfs_dir_fsync(). >>>> > >> >>>> > >>[ 3663.361709] sfsuspend-par D ffff88042f0b4540 0 3981 3947 0x00000080 >>>> > >> >>>> > >>[ 3663.394472] Call Trace: >>>> > >>[ 3663.397199] [] schedule+0x29/0x70 >>>> > >>[ 3663.402743] [] xlog_cil_force_lsn+0x185/0x1a0 [xfs] >>>> > >>[ 3663.416249] [] _xfs_log_force_lsn+0x6f/0x2f0 [xfs] >>>> > >>[ 3663.429271] [] xfs_dir_fsync+0x7d/0xe0 [xfs] >>>> > >>[ 3663.435873] [] do_fsync+0x65/0xa0 >>>> > >>[ 3663.441408] [] SyS_fsync+0x10/0x20 >>>> > >>[ 3663.447043] [] system_call_fastpath+0x16/0x1b >>> > > >>> > >Wow, I believe it's taken this long for us to notice that we can't >>> > >break out of xlog_cil_force_lsn() if we fail on xlog_write() >> > >from a CIL push. > .... > >> > Similar to what Jeff Liu mention in Dec: >> > >> > http://oss.sgi.com/archives/xfs/2013-12/msg00870.html > Which fell through the cracks because of objections to calling > wake_up_all(&ctx->cil->xc_commit_wait) from xlog_cil_committed(). > > FYI, I just independently wrote a patch to fix this, and part of the > fix is that it calls wake_up_all(&ctx->cil->xc_commit_wait) from > xlog_cil_committed(). The rest of the fix indicates that the above > patch wasn't sufficient. Patch below. > > This time it isn't going to fall through the cracks because I don't > think the objections are valid... > > Cheers, > > Dave. > -- I did not intend to stall out the patch. I came to like the idea of always notifying the waiters on an lsn after the iclog is successfully written out not just when we start the IO. --Mark. From david@fromorbit.com Mon Apr 28 18:46:08 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 46B1829DF8 for ; Mon, 28 Apr 2014 18:46:08 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id 1C5988F8054 for ; Mon, 28 Apr 2014 16:46:07 -0700 (PDT) X-ASG-Debug-ID: 1398728761-04bdf02b8c108620001-NocioJ Received: from ipmail04.adl6.internode.on.net (ipmail04.adl6.internode.on.net [150.101.137.141]) by cuda.sgi.com with ESMTP id LNfM7fvIUy3Rle7K for ; Mon, 28 Apr 2014 16:46:02 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.141 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AvNLAJLnXlN5LEcvPGdsb2JhbABZgwaIRKNZAQEBBZl2gRoXAwEBAQE4NYIlAQEFOhwjEAgDGAklDwUlAwcaE4hAyQEXFoVEiH8HgySBFQSZC4p0iy4r Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail04.adl6.internode.on.net with ESMTP; 29 Apr 2014 09:16:00 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WevFG-0005U9-QP; Tue, 29 Apr 2014 09:45:58 +1000 Date: Tue, 29 Apr 2014 09:45:58 +1000 From: Dave Chinner To: Bob Mastors Cc: xfs@oss.sgi.com Subject: Re: xfs umount hang in xfs_ail_push_all_sync on i/o error Message-ID: <20140428234558.GD18672@dastard> X-ASG-Orig-Subj: Re: xfs umount hang in xfs_ail_push_all_sync on i/o error References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail04.adl6.internode.on.net[150.101.137.141] X-Barracuda-Start-Time: 1398728761 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5335 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Mon, Apr 28, 2014 at 04:29:02PM -0600, Bob Mastors wrote: > Greetings, > > I have an xfs umount hang caused by forcing the block device to return > i/o errors while copying files to the filesystem. > Detailed steps to reproduce the problem on virtualbox are below. > > The linux version is a recent pull and reports as 3.15.0-rc3. > > [ 2040.248096] INFO: task umount:10303 blocked for more than 120 seconds. > [ 2040.323947] Not tainted 3.15.0-rc3 #4 > [ 2040.343423] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables > this message. > [ 2040.352665] umount D ffffffff8180fe40 0 10303 8691 > 0x00000000 > [ 2040.404918] ffff88001e33dd58 0000000000000086 ffff88001e33dd48 > ffffffff81080f82 > [ 2040.489901] ffff88001b311900 0000000000013180 ffff88001e33dfd8 > 0000000000013180 > [ 2040.534772] ffff88003daa3200 ffff88001b311900 ffff88002421aec0 > ffff88002421ae80 > [ 2040.587450] Call Trace: > [ 2040.592176] [] ? try_to_wake_up+0x232/0x2b0 > [ 2040.620212] [] schedule+0x29/0x70 > [ 2040.627685] [] xfs_ail_push_all_sync+0x96/0xd0 [xfs] > [ 2040.632236] [] ? __wake_up_sync+0x20/0x20 > [ 2040.659105] [] xfs_unmountfs+0x63/0x160 [xfs] > [ 2040.691774] [] ? kmem_free+0x35/0x40 [xfs] > [ 2040.698610] [] xfs_fs_put_super+0x25/0x60 [xfs] > [ 2040.706838] [] generic_shutdown_super+0x7e/0x100 > [ 2040.723958] [] kill_block_super+0x30/0x80 > [ 2040.734963] [] deactivate_locked_super+0x4d/0x80 > [ 2040.745485] [] deactivate_super+0x4e/0x70 > [ 2040.751274] [] mntput_no_expire+0xd2/0x160 > [ 2040.755894] [] SyS_umount+0xaf/0x3b0 > [ 2040.761032] [] system_call_fastpath+0x16/0x1b > [ .060058] XFS (sdb): xfs_log_force: error 5 returned. > [ 268059] XFS (sdb): xfs_log_force: error 5 returned. > > I took a look at xfs_ail_push_all_sync and it is pretty easy to see > the hang. But it is not obvious to me how to fix it. > Any ideas would be appreciated. > > I am available to run additional tests or capture more logging > or whatever if that would help. What's the entire log output from the first shutdown message? Cheers, Dave. -- Dave Chinner david@fromorbit.com From bob.mastors@solidfire.com Mon Apr 28 18:51:39 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=HTML_MESSAGE autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 92A6D29DF8 for ; Mon, 28 Apr 2014 18:51:39 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id 852D9304048 for ; Mon, 28 Apr 2014 16:51:36 -0700 (PDT) X-ASG-Debug-ID: 1398729092-04cbb03cc7104950001-NocioJ Received: from mail-vc0-f181.google.com (mail-vc0-f181.google.com [209.85.220.181]) by cuda.sgi.com with ESMTP id luIvsm1aANFrOkiS (version=TLSv1 cipher=RC4-SHA bits=128 verify=NO) for ; Mon, 28 Apr 2014 16:51:32 -0700 (PDT) X-Barracuda-Envelope-From: bob.mastors@solidfire.com X-Barracuda-Apparent-Source-IP: 209.85.220.181 Received: by mail-vc0-f181.google.com with SMTP id hy4so3074516vcb.40 for ; Mon, 28 Apr 2014 16:51:32 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:date :message-id:subject:from:to:cc:content-type; bh=NPUZwItlxT3eKZnoDiC9TTpeky+ld/wP48c1gwNHQXc=; b=WTAltmFZSd5XMkmRUAZF6VPRRwYNozPE2J2R2gESd14upwoWZg2TsFxImqzDn61X8P 7ayvSM6oUgoecfIVosbQXzrW26cThu51jp44MvXeEKy2K5P5AAS2PXBUM/+8VPDmCVLk rKWwAPIRn2E4Ka4dtCEnPZCue3oPuaTmIG4tN2s7Rhl/c0oUt07ddGttfPi1g7pljU2r 0ZxIfnW04mfI/+yEFiBgKJQS4DbtPetn4cQW38ynkI24wmlxYkT1dXxn/x6PLt/jzjR2 /6Ly1y9H9NkXMEnbs8tq/gCCMd1/R5JsEwjYRztBzyAqH1YYiC+wyCF2/YJqoONFrPvN JriA== X-Gm-Message-State: ALoCoQkJAzDV18/E7bWkauP9odk68G2jaBOYBZkB0pAcVkEVZhr3JeFXISS9YLhoQAMVAHqi/jCS MIME-Version: 1.0 X-Received: by 10.221.26.10 with SMTP id rk10mr26392060vcb.0.1398729091972; Mon, 28 Apr 2014 16:51:31 -0700 (PDT) Received: by 10.52.78.67 with HTTP; Mon, 28 Apr 2014 16:51:31 -0700 (PDT) In-Reply-To: <20140428234558.GD18672@dastard> References: <20140428234558.GD18672@dastard> Date: Mon, 28 Apr 2014 17:51:31 -0600 Message-ID: Subject: Re: xfs umount hang in xfs_ail_push_all_sync on i/o error From: Bob Mastors X-ASG-Orig-Subj: Re: xfs umount hang in xfs_ail_push_all_sync on i/o error To: Dave Chinner Cc: xfs@oss.sgi.com Content-Type: multipart/mixed; boundary=001a11339ae4aa33e204f822fe89 X-Barracuda-Connect: mail-vc0-f181.google.com[209.85.220.181] X-Barracuda-Start-Time: 1398729092 X-Barracuda-Encrypted: RC4-SHA X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=HTML_MESSAGE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5335 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 HTML_MESSAGE BODY: HTML included in message --001a11339ae4aa33e204f822fe89 Content-Type: multipart/alternative; boundary=001a11339ae4aa33e004f822fe87 --001a11339ae4aa33e004f822fe87 Content-Type: text/plain; charset=ISO-8859-1 Log output attached. The xfs filesystem being mounted and unmounted is the only xfs filesystem on the system. Bob On Mon, Apr 28, 2014 at 5:45 PM, Dave Chinner wrote: > On Mon, Apr 28, 2014 at 04:29:02PM -0600, Bob Mastors wrote: > > Greetings, > > > > I have an xfs umount hang caused by forcing the block device to return > > i/o errors while copying files to the filesystem. > > Detailed steps to reproduce the problem on virtualbox are below. > > > > The linux version is a recent pull and reports as 3.15.0-rc3. > > > > [ 2040.248096] INFO: task umount:10303 blocked for more than 120 seconds. > > [ 2040.323947] Not tainted 3.15.0-rc3 #4 > > [ 2040.343423] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" > disables > > this message. > > [ 2040.352665] umount D ffffffff8180fe40 0 10303 8691 > > 0x00000000 > > [ 2040.404918] ffff88001e33dd58 0000000000000086 ffff88001e33dd48 > > ffffffff81080f82 > > [ 2040.489901] ffff88001b311900 0000000000013180 ffff88001e33dfd8 > > 0000000000013180 > > [ 2040.534772] ffff88003daa3200 ffff88001b311900 ffff88002421aec0 > > ffff88002421ae80 > > [ 2040.587450] Call Trace: > > [ 2040.592176] [] ? try_to_wake_up+0x232/0x2b0 > > [ 2040.620212] [] schedule+0x29/0x70 > > [ 2040.627685] [] xfs_ail_push_all_sync+0x96/0xd0 > [xfs] > > [ 2040.632236] [] ? __wake_up_sync+0x20/0x20 > > [ 2040.659105] [] xfs_unmountfs+0x63/0x160 [xfs] > > [ 2040.691774] [] ? kmem_free+0x35/0x40 [xfs] > > [ 2040.698610] [] xfs_fs_put_super+0x25/0x60 [xfs] > > [ 2040.706838] [] generic_shutdown_super+0x7e/0x100 > > [ 2040.723958] [] kill_block_super+0x30/0x80 > > [ 2040.734963] [] deactivate_locked_super+0x4d/0x80 > > [ 2040.745485] [] deactivate_super+0x4e/0x70 > > [ 2040.751274] [] mntput_no_expire+0xd2/0x160 > > [ 2040.755894] [] SyS_umount+0xaf/0x3b0 > > [ 2040.761032] [] system_call_fastpath+0x16/0x1b > > [ .060058] XFS (sdb): xfs_log_force: error 5 returned. > > [ 268059] XFS (sdb): xfs_log_force: error 5 returned. > > > > I took a look at xfs_ail_push_all_sync and it is pretty easy to see > > the hang. But it is not obvious to me how to fix it. > > Any ideas would be appreciated. > > > > I am available to run additional tests or capture more logging > > or whatever if that would help. > > What's the entire log output from the first shutdown message? > > Cheers, > > Dave. > -- > Dave Chinner > david@fromorbit.com > --001a11339ae4aa33e004f822fe87 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable
Log output attached.
The xfs filesystem being mounted = and unmounted is the only xfs filesystem on the system.
Bob
=


On Mon,= Apr 28, 2014 at 5:45 PM, Dave Chinner <david@fromorbit.com> wrote:
On M= on, Apr 28, 2014 at 04:29:02PM -0600, Bob Mastors wrote:
> Greetings,
>
> I have an xfs umount hang caused by forcing the block device to return=
> i/o errors while copying files to the filesystem.
> Detailed steps to reproduce the problem on virtualbox are below.
>
> The linux version is a recent pull and reports as 3.15.0-rc3.
>
> [ 2040.248096] INFO: task umount:10303 blocked for more than 120 secon= ds.
> [ 2040.323947] =A0 =A0 =A0 Not tainted 3.15.0-rc3 #4
> [ 2040.343423] "echo 0 > /proc/sys/kernel/hung_task_timeout_se= cs" disables
> this message.
> [ 2040.352665] umount =A0 =A0 =A0 =A0 =A0D ffffffff8180fe40 =A0 =A0 0 = 10303 =A0 8691
> 0x00000000
> [ 2040.404918] =A0ffff88001e33dd58 0000000000000086 ffff88001e33dd48 > ffffffff81080f82
> [ 2040.489901] =A0ffff88001b311900 0000000000013180 ffff88001e33dfd8 > 0000000000013180
> [ 2040.534772] =A0ffff88003daa3200 ffff88001b311900 ffff88002421aec0 > ffff88002421ae80
> [ 2040.587450] Call Trace:
> [ 2040.592176] =A0[<ffffffff81080f82>] ? try_to_wake_up+0x232/0x= 2b0
> [ 2040.620212] =A0[<ffffffff816c54d9>] schedule+0x29/0x70
> [ 2040.627685] =A0[<ffffffffa04c4cd6>] xfs_ail_push_all_sync+0x9= 6/0xd0 [xfs]
> [ 2040.632236] =A0[<ffffffff81092230>] ? __wake_up_sync+0x20/0x2= 0
> [ 2040.659105] =A0[<ffffffffa04731a3>] xfs_unmountfs+0x63/0x160 = [xfs]
> [ 2040.691774] =A0[<ffffffffa0478f65>] ? kmem_free+0x35/0x40 [xf= s]
> [ 2040.698610] =A0[<ffffffffa0474cf5>] xfs_fs_put_super+0x25/0x6= 0 [xfs]
> [ 2040.706838] =A0[<ffffffff8119561e>] generic_shutdown_super+0x= 7e/0x100
> [ 2040.723958] =A0[<ffffffff811956d0>] kill_block_super+0x30/0x8= 0
> [ 2040.734963] =A0[<ffffffff8119591d>] deactivate_locked_super+0= x4d/0x80
> [ 2040.745485] =A0[<ffffffff8119652e>] deactivate_super+0x4e/0x7= 0
> [ 2040.751274] =A0[<ffffffff811b1d42>] mntput_no_expire+0xd2/0x1= 60
> [ 2040.755894] =A0[<ffffffff811b2fff>] SyS_umount+0xaf/0x3b0
> [ 2040.761032] =A0[<ffffffff816d1592>] system_call_fastpath+0x16= /0x1b
> [ .060058] XFS (sdb): xfs_log_force: error 5 returned.
> [ 268059] XFS (sdb): xfs_log_force: error 5 returned.
>
> I took a look at xfs_ail_push_all_sync and it is pretty easy to see > the hang. But it is not obvious to me how to fix it.
> Any ideas would be appreciated.
>
> I am available to run additional tests or capture more logging
> or whatever if that would help.

What's the entire log output from the first shutdown messag= e?

Cheers,

Dave.
--
Dave Chinner
david@fromorbit.com

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XSAgWzxmZmZmZmZmZjgxMTk1OTFkPl0gZGVhY3RpdmF0ZV9sb2NrZWRfc3VwZXIrMHg0ZC8weDgw DQpbIDIyODMuNDg4ODY1XSAgWzxmZmZmZmZmZjgxMTk2NTJlPl0gZGVhY3RpdmF0ZV9zdXBlcisw eDRlLzB4NzANClsgMjI4My40ODk3MTBdICBbPGZmZmZmZmZmODExYjFkNDI+XSBtbnRwdXRfbm9f ZXhwaXJlKzB4ZDIvMHgxNjANClsgMjI4My40OTA3MjNdICBbPGZmZmZmZmZmODExYjJmZmY+XSBT eVNfdW1vdW50KzB4YWYvMHgzYjANClsgMjI4My40OTE1MDFdICBbPGZmZmZmZmZmODE2ZDE1OTI+ XSBzeXN0ZW1fY2FsbF9mYXN0cGF0aCsweDE2LzB4MWINCg== --001a11339ae4aa33e204f822fe89-- From david@fromorbit.com Mon Apr 28 20:01:33 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 05EDF29DF8 for ; Mon, 28 Apr 2014 20:01:33 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id E71488F8039 for ; Mon, 28 Apr 2014 18:01:29 -0700 (PDT) X-ASG-Debug-ID: 1398733286-04cb6c729110de40001-NocioJ Received: from ipmail04.adl6.internode.on.net (ipmail04.adl6.internode.on.net [150.101.137.141]) by cuda.sgi.com with ESMTP id fYW9p5IZiVrav6sU for ; Mon, 28 Apr 2014 18:01:27 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.141 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AvRLAFX5XlN5LEcvPGdsb2JhbABTBoMGiESjWQEBAQWZdoEaFwMBAQEBODWCJQEBBTocIxAIAxgJJQ8FJQMHGhOIQMkDFxaFRIg8QweDJIEVBJkLinSLLis Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail04.adl6.internode.on.net with ESMTP; 29 Apr 2014 10:31:22 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WewQD-0005l3-EL; Tue, 29 Apr 2014 11:01:21 +1000 Date: Tue, 29 Apr 2014 11:01:21 +1000 From: Dave Chinner To: Bob Mastors Cc: xfs@oss.sgi.com Subject: Re: xfs umount hang in xfs_ail_push_all_sync on i/o error Message-ID: <20140429010121.GE18672@dastard> X-ASG-Orig-Subj: Re: xfs umount hang in xfs_ail_push_all_sync on i/o error References: <20140428234558.GD18672@dastard> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail04.adl6.internode.on.net[150.101.137.141] X-Barracuda-Start-Time: 1398733287 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5337 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Mon, Apr 28, 2014 at 05:51:31PM -0600, Bob Mastors wrote: > Log output attached. > The xfs filesystem being mounted and unmounted is the only xfs filesystem > on the system. > Bob > > > On Mon, Apr 28, 2014 at 5:45 PM, Dave Chinner wrote: > > > On Mon, Apr 28, 2014 at 04:29:02PM -0600, Bob Mastors wrote: > > > Greetings, > > > > > > I have an xfs umount hang caused by forcing the block device to return > > > i/o errors while copying files to the filesystem. > > > Detailed steps to reproduce the problem on virtualbox are below. > > > > > > The linux version is a recent pull and reports as 3.15.0-rc3. > > > > > > [ 2040.248096] INFO: task umount:10303 blocked for more than 120 seconds. > > > [ 2040.323947] Not tainted 3.15.0-rc3 #4 > > > [ 2040.343423] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" > > disables > > > this message. > > > [ 2040.352665] umount D ffffffff8180fe40 0 10303 8691 > > > 0x00000000 > > > [ 2040.404918] ffff88001e33dd58 0000000000000086 ffff88001e33dd48 > > > ffffffff81080f82 > > > [ 2040.489901] ffff88001b311900 0000000000013180 ffff88001e33dfd8 > > > 0000000000013180 > > > [ 2040.534772] ffff88003daa3200 ffff88001b311900 ffff88002421aec0 > > > ffff88002421ae80 > > > [ 2040.587450] Call Trace: > > > [ 2040.592176] [] ? try_to_wake_up+0x232/0x2b0 > > > [ 2040.620212] [] schedule+0x29/0x70 > > > [ 2040.627685] [] xfs_ail_push_all_sync+0x96/0xd0 > > [xfs] > > > [ 2040.632236] [] ? __wake_up_sync+0x20/0x20 > > > [ 2040.659105] [] xfs_unmountfs+0x63/0x160 [xfs] > > > [ 2040.691774] [] ? kmem_free+0x35/0x40 [xfs] > > > [ 2040.698610] [] xfs_fs_put_super+0x25/0x60 [xfs] > > > [ 2040.706838] [] generic_shutdown_super+0x7e/0x100 > > > [ 2040.723958] [] kill_block_super+0x30/0x80 > > > [ 2040.734963] [] deactivate_locked_super+0x4d/0x80 > > > [ 2040.745485] [] deactivate_super+0x4e/0x70 > > > [ 2040.751274] [] mntput_no_expire+0xd2/0x160 > > > [ 2040.755894] [] SyS_umount+0xaf/0x3b0 > > > [ 2040.761032] [] system_call_fastpath+0x16/0x1b > > > [ .060058] XFS (sdb): xfs_log_force: error 5 returned. > > > [ 268059] XFS (sdb): xfs_log_force: error 5 returned. > > > > > > I took a look at xfs_ail_push_all_sync and it is pretty easy to see > > > the hang. But it is not obvious to me how to fix it. > > > Any ideas would be appreciated. > > > > > > I am available to run additional tests or capture more logging > > > or whatever if that would help. > > > > What's the entire log output from the first shutdown message? So what is the AIL stuck on? Can you trace the xfs_ail* trace points when it is in shutdown like this and post the output of the report? > [ 1318.816643] XFS (sdb): metadata I/O error: block 0x19fc80 ("xfs_buf_iodone_callbacks") error 5 numblks 16 > [ 1318.818080] XFS (sdb): metadata I/O error: block 0x1025cf ("xlog_iodone") error 5 numblks 64 > [ 1318.819350] XFS (sdb): xfs_do_force_shutdown(0x2) called from line 1170 of file fs/xfs/xfs_log.c. Return address = 0xffffffffa04b9859 > [ 1318.821089] XFS (sdb): Log I/O Error Detected. Shutting down filesystem > [ 1318.822301] XFS (sdb): xfs_log_force: error 5 returned. > [ 1318.822308] XFS (sdb): xfs_log_force: error 5 returned. > [ 1318.822311] XFS (sdb): Detected failing async write on buffer block 0x19fca0. Retrying async write. That's the only thing that is unusual about the hang. Does this always appear when a hang occurs? Cheers, Dave. -- Dave Chinner david@fromorbit.com From bob.mastors@solidfire.com Mon Apr 28 20:11:58 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=HTML_MESSAGE autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 298AB29DF8 for ; Mon, 28 Apr 2014 20:11:58 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id E5EC930404E for ; Mon, 28 Apr 2014 18:11:54 -0700 (PDT) X-ASG-Debug-ID: 1398733912-04cb6c729110ef10001-NocioJ Received: from mail-ve0-f169.google.com (mail-ve0-f169.google.com [209.85.128.169]) by cuda.sgi.com with ESMTP id CmDdNWGeesjg8h9D (version=TLSv1 cipher=RC4-SHA bits=128 verify=NO) for ; Mon, 28 Apr 2014 18:11:52 -0700 (PDT) X-Barracuda-Envelope-From: bob.mastors@solidfire.com X-Barracuda-Apparent-Source-IP: 209.85.128.169 Received: by mail-ve0-f169.google.com with SMTP id jx11so459129veb.0 for ; Mon, 28 Apr 2014 18:11:52 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:date :message-id:subject:from:to:cc:content-type; bh=AAI9iD+69uR2vp7TTy9rcGbXzRjsEOHIb4qUCCHzhbI=; b=CeRopOAe6Cy6zOAn817iLKRneUUL1310cEZ++oQ/eEpMrBgZ7E42u9/nhqwhyKTBC9 9dsp+asO4FOLHadMxbQndu9c4yV4vr/Otn/zhSTjSPFWGMgp3YBNXjOgJo9t7aDq7H7p PyP7YyFmWgJ8ExJtaqDOS4B1X9FoO0hCbURvXxl3UbA1xtr5GkZ1lw8uqvztnG7EuxmN a4UTpNZSK6fzvDuraeTZVclajAiCZ3+YwUy2s6LHfmiFObUmRAac33SOKE89e8VMgmNr LzbsWOIK9Yo2ab07CKf3scRMrf/zpuiWif95jfrdfNMpX68I1hGDj80OuAourxahFqnJ xg/Q== X-Gm-Message-State: ALoCoQnFAwZ4yVry2OcfiP1hAOIJGFIaM/CKvDd4FLpXN1r6qQv+P6tpWb7lLejfsP4W7mgYXD63 MIME-Version: 1.0 X-Received: by 10.58.38.166 with SMTP id h6mr25941804vek.22.1398733912225; Mon, 28 Apr 2014 18:11:52 -0700 (PDT) Received: by 10.52.78.67 with HTTP; Mon, 28 Apr 2014 18:11:52 -0700 (PDT) In-Reply-To: <20140429010121.GE18672@dastard> References: <20140428234558.GD18672@dastard> <20140429010121.GE18672@dastard> Date: Mon, 28 Apr 2014 19:11:52 -0600 Message-ID: Subject: Re: xfs umount hang in xfs_ail_push_all_sync on i/o error From: Bob Mastors X-ASG-Orig-Subj: Re: xfs umount hang in xfs_ail_push_all_sync on i/o error To: Dave Chinner Cc: xfs@oss.sgi.com Content-Type: multipart/alternative; boundary=089e013a0d40f94e9a04f8241d1d X-Barracuda-Connect: mail-ve0-f169.google.com[209.85.128.169] X-Barracuda-Start-Time: 1398733912 X-Barracuda-Encrypted: RC4-SHA X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=HTML_MESSAGE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5337 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 HTML_MESSAGE BODY: HTML included in message --089e013a0d40f94e9a04f8241d1d Content-Type: text/plain; charset=ISO-8859-1 On Mon, Apr 28, 2014 at 7:01 PM, Dave Chinner wrote: > On Mon, Apr 28, 2014 at 05:51:31PM -0600, Bob Mastors wrote: > > Log output attached. > > The xfs filesystem being mounted and unmounted is the only xfs filesystem > > on the system. > > Bob > > > > > > On Mon, Apr 28, 2014 at 5:45 PM, Dave Chinner > wrote: > > > > > On Mon, Apr 28, 2014 at 04:29:02PM -0600, Bob Mastors wrote: > > > > Greetings, > > > > > > > > I have an xfs umount hang caused by forcing the block device to > return > > > > i/o errors while copying files to the filesystem. > > > > Detailed steps to reproduce the problem on virtualbox are below. > > > > > > > > The linux version is a recent pull and reports as 3.15.0-rc3. > > > > > > > > [ 2040.248096] INFO: task umount:10303 blocked for more than 120 > seconds. > > > > [ 2040.323947] Not tainted 3.15.0-rc3 #4 > > > > [ 2040.343423] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" > > > disables > > > > this message. > > > > [ 2040.352665] umount D ffffffff8180fe40 0 10303 8691 > > > > 0x00000000 > > > > [ 2040.404918] ffff88001e33dd58 0000000000000086 ffff88001e33dd48 > > > > ffffffff81080f82 > > > > [ 2040.489901] ffff88001b311900 0000000000013180 ffff88001e33dfd8 > > > > 0000000000013180 > > > > [ 2040.534772] ffff88003daa3200 ffff88001b311900 ffff88002421aec0 > > > > ffff88002421ae80 > > > > [ 2040.587450] Call Trace: > > > > [ 2040.592176] [] ? try_to_wake_up+0x232/0x2b0 > > > > [ 2040.620212] [] schedule+0x29/0x70 > > > > [ 2040.627685] [] xfs_ail_push_all_sync+0x96/0xd0 > > > [xfs] > > > > [ 2040.632236] [] ? __wake_up_sync+0x20/0x20 > > > > [ 2040.659105] [] xfs_unmountfs+0x63/0x160 [xfs] > > > > [ 2040.691774] [] ? kmem_free+0x35/0x40 [xfs] > > > > [ 2040.698610] [] xfs_fs_put_super+0x25/0x60 [xfs] > > > > [ 2040.706838] [] > generic_shutdown_super+0x7e/0x100 > > > > [ 2040.723958] [] kill_block_super+0x30/0x80 > > > > [ 2040.734963] [] > deactivate_locked_super+0x4d/0x80 > > > > [ 2040.745485] [] deactivate_super+0x4e/0x70 > > > > [ 2040.751274] [] mntput_no_expire+0xd2/0x160 > > > > [ 2040.755894] [] SyS_umount+0xaf/0x3b0 > > > > [ 2040.761032] [] system_call_fastpath+0x16/0x1b > > > > [ .060058] XFS (sdb): xfs_log_force: error 5 returned. > > > > [ 268059] XFS (sdb): xfs_log_force: error 5 returned. > > > > > > > > I took a look at xfs_ail_push_all_sync and it is pretty easy to see > > > > the hang. But it is not obvious to me how to fix it. > > > > Any ideas would be appreciated. > > > > > > > > I am available to run additional tests or capture more logging > > > > or whatever if that would help. > > > > > > What's the entire log output from the first shutdown message? > > So what is the AIL stuck on? Can you trace the xfs_ail* trace points > when it is in shutdown like this and post the output of the report? > I will try to get this info. Might take a couple of days. > > > [ 1318.816643] XFS (sdb): metadata I/O error: block 0x19fc80 > ("xfs_buf_iodone_callbacks") error 5 numblks 16 > > [ 1318.818080] XFS (sdb): metadata I/O error: block 0x1025cf > ("xlog_iodone") error 5 numblks 64 > > [ 1318.819350] XFS (sdb): xfs_do_force_shutdown(0x2) called from line > 1170 of file fs/xfs/xfs_log.c. Return address = 0xffffffffa04b9859 > > [ 1318.821089] XFS (sdb): Log I/O Error Detected. Shutting down > filesystem > > [ 1318.822301] XFS (sdb): xfs_log_force: error 5 returned. > > [ 1318.822308] XFS (sdb): xfs_log_force: error 5 returned. > > [ 1318.822311] XFS (sdb): Detected failing async write on buffer block > 0x19fca0. Retrying async write. > > That's the only thing that is unusual about the hang. Does this > always appear when a hang occurs? > I don't think so but I have not been keeping all of the logs. I will run the test some more and see if it always appears or not. Thanks, Bob > > Cheers, > > Dave. > -- > Dave Chinner > david@fromorbit.com > --089e013a0d40f94e9a04f8241d1d Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable
On M= on, Apr 28, 2014 at 7:01 PM, Dave Chinner <david@fromorbit.com> wrote:
On M= on, Apr 28, 2014 at 05:51:31PM -0600, Bob Mastors wrote:
> Log output attached.
> The xfs filesystem being mounted and unmounted is the only xfs filesys= tem
> on the system.
> Bob
>
>
> On Mon, Apr 28, 2014 at 5:45 PM, Dave Chinner <david@fromorbit.com> wrote:
>
> > On Mon, Apr 28, 2014 at 04:29:02PM -0600, Bob Mastors wrote:
> > > Greetings,
> > >
> > > I have an xfs umount hang caused by forcing the block device= to return
> > > i/o errors while copying files to the filesystem.
> > > Detailed steps to reproduce the problem on virtualbox are be= low.
> > >
> > > The linux version is a recent pull and reports as 3.15.0-rc3= .
> > >
> > > [ 2040.248096] INFO: task umount:10303 blocked for more than= 120 seconds.
> > > [ 2040.323947] =A0 =A0 =A0 Not tainted 3.15.0-rc3 #4
> > > [ 2040.343423] "echo 0 > /proc/sys/kernel/hung_task_= timeout_secs"
> > disables
> > > this message.
> > > [ 2040.352665] umount =A0 =A0 =A0 =A0 =A0D ffffffff8180fe40 = =A0 =A0 0 10303 =A0 8691
> > > 0x00000000
> > > [ 2040.404918] =A0ffff88001e33dd58 0000000000000086 ffff8800= 1e33dd48
> > > ffffffff81080f82
> > > [ 2040.489901] =A0ffff88001b311900 0000000000013180 ffff8800= 1e33dfd8
> > > 0000000000013180
> > > [ 2040.534772] =A0ffff88003daa3200 ffff88001b311900 ffff8800= 2421aec0
> > > ffff88002421ae80
> > > [ 2040.587450] Call Trace:
> > > [ 2040.592176] =A0[<ffffffff81080f82>] ? try_to_wake_u= p+0x232/0x2b0
> > > [ 2040.620212] =A0[<ffffffff816c54d9>] schedule+0x29/0= x70
> > > [ 2040.627685] =A0[<ffffffffa04c4cd6>] xfs_ail_push_al= l_sync+0x96/0xd0
> > [xfs]
> > > [ 2040.632236] =A0[<ffffffff81092230>] ? __wake_up_syn= c+0x20/0x20
> > > [ 2040.659105] =A0[<ffffffffa04731a3>] xfs_unmountfs+0= x63/0x160 [xfs]
> > > [ 2040.691774] =A0[<ffffffffa0478f65>] ? kmem_free+0x3= 5/0x40 [xfs]
> > > [ 2040.698610] =A0[<ffffffffa0474cf5>] xfs_fs_put_supe= r+0x25/0x60 [xfs]
> > > [ 2040.706838] =A0[<ffffffff8119561e>] generic_shutdow= n_super+0x7e/0x100
> > > [ 2040.723958] =A0[<ffffffff811956d0>] kill_block_supe= r+0x30/0x80
> > > [ 2040.734963] =A0[<ffffffff8119591d>] deactivate_lock= ed_super+0x4d/0x80
> > > [ 2040.745485] =A0[<ffffffff8119652e>] deactivate_supe= r+0x4e/0x70
> > > [ 2040.751274] =A0[<ffffffff811b1d42>] mntput_no_expir= e+0xd2/0x160
> > > [ 2040.755894] =A0[<ffffffff811b2fff>] SyS_umount+0xaf= /0x3b0
> > > [ 2040.761032] =A0[<ffffffff816d1592>] system_call_fas= tpath+0x16/0x1b
> > > [ .060058] XFS (sdb): xfs_log_force: error 5 returned.
> > > [ 268059] XFS (sdb): xfs_log_force: error 5 returned.
> > >
> > > I took a look at xfs_ail_push_all_sync and it is pretty easy= to see
> > > the hang. But it is not obvious to me how to fix it.
> > > Any ideas would be appreciated.
> > >
> > > I am available to run additional tests or capture more loggi= ng
> > > or whatever if that would help.
> >
> > What's the entire log output from the first shutdown message?=

So what is the AIL stuck on? Can you trace the xfs_ail* trace p= oints
when it is in shutdown like this and post the output of the report?
I will try to get this info.
Might take a couple of= days.
=A0

> [ 1318.816643] XFS (sdb): metadata I/O error: block 0x19fc80 ("xf= s_buf_iodone_callbacks") error 5 numblks 16
> [ 1318.818080] XFS (sdb): metadata I/O error: block 0x1025cf ("xl= og_iodone") error 5 numblks 64
> [ 1318.819350] XFS (sdb): xfs_do_force_shutdown(0x2) called from line = 1170 of file fs/xfs/xfs_log.c. =A0Return address =3D 0xffffffffa04b9859
> [ 1318.821089] XFS (sdb): Log I/O Error Detected. =A0Shutting down fil= esystem
> [ 1318.822301] XFS (sdb): xfs_log_force: error 5 returned.
> [ 1318.822308] XFS (sdb): xfs_log_force: error 5 returned.
> [ 1318.822311] XFS (sdb): Detected failing async write on buffer block= 0x19fca0. Retrying async write.

That's the only thing that is unusual about the hang. Does this
always appear when a hang occurs?
I don't think so= but I have not been keeping all of the logs.
I will run the test= some more and see if it always appears or not.

Thanks,
Bob
=A0

Cheers,

Dave.
--
Dave Chinner
david@fromorbit.com

--089e013a0d40f94e9a04f8241d1d-- From branto@redhat.com Tue Apr 29 05:25:01 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 2E73029DF8 for ; Tue, 29 Apr 2014 05:25:01 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id C94ABAC002 for ; Tue, 29 Apr 2014 03:24:57 -0700 (PDT) X-ASG-Debug-ID: 1398767093-04bdf02b8c1337f0001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id DkSRGhqEhh0GJO9C for ; Tue, 29 Apr 2014 03:24:53 -0700 (PDT) X-Barracuda-Envelope-From: branto@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx12.intmail.prod.int.phx2.redhat.com (int-mx12.intmail.prod.int.phx2.redhat.com [10.5.11.25]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3TAOVD3002462 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 29 Apr 2014 06:24:31 -0400 Received: from [10.34.31.223] (dhcp-31-223.brq.redhat.com [10.34.31.223]) by int-mx12.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s3TAOScb019273 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Tue, 29 Apr 2014 06:24:29 -0400 Subject: Re: [PATCH] xfs: test for shut down fs in xfs_dir_fsync() From: Boris Ranto X-ASG-Orig-Subj: Re: [PATCH] xfs: test for shut down fs in xfs_dir_fsync() To: Mark Tinguely Cc: Eric Sandeen , Christoph Hellwig , Eric Sandeen , xfs-oss In-Reply-To: <535E94A4.2060701@sgi.com> References: <535E8344.2070209@redhat.com> <20140428164754.GA17472@infradead.org> <535E8D67.3010504@redhat.com> <535E8E47.2040701@sgi.com> <535E8F4C.8000003@sandeen.net> <535E94A4.2060701@sgi.com> Content-Type: text/plain; charset="UTF-8" Date: Tue, 29 Apr 2014 12:24:27 +0200 Message-ID: <1398767067.15380.26.camel@dhcp-31-223.brq.redhat.com> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit X-Scanned-By: MIMEDefang 2.68 on 10.5.11.25 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1398767093 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Mon, 2014-04-28 at 12:49 -0500, Mark Tinguely wrote: > On 04/28/14 12:26, Eric Sandeen wrote: > > On 4/28/14, 12:22 PM, Mark Tinguely wrote: > >> On 04/28/14 12:18, Eric Sandeen wrote: > >>> On 4/28/14, 11:47 AM, Christoph Hellwig wrote: > >>>> On Mon, Apr 28, 2014 at 11:35:16AM -0500, Eric Sandeen wrote: > >>>>> Similar to xfs_file_fsync(), I think xfs_dir_fsync() needs > >>>>> to test for a shut down fs, > >>>> > >>>> It probably should. > >>>> > >>>>> lest we go down paths we'll > >>>>> never be able to complete; Boris reported that during some > >>>>> stress tests he had threads stuck in xlog_cil_force_lsn > >>>>> via xfs_dir_fsync(). > >>>> > >>>> But this could still happen if we get a shutdown coming in after that > >>>> test. > >>> > >>> True... that looked a bit hairier to sort out. :( > >>> > >>> -Eric > >>> > >> > >> > >> Are the sync lsn look okay? Was there an error writing the iclog buffer? > >> > >> xfs_do_force_shutdown() will also do a xlog_cil_force_lsn() via the > >> xfs_log_force_umount if the log buffer write was not in error. That > >> should be the same or later than this lsn. > > > > I don't have full details, unfortunately, just the sysrq backtraces. > > > > -Eric > > > >> --Mark. > > anything in the log as to what caused the hang? You mention a forced > shutdown; what caused the forced shutdown? Hi, I used src/godown utility from xfstests to simulate a power failure and cause the forced shutdown. The kernel does not report much. All I get is this kernel message (it repeats every few seconds): [498704.267273] XFS (dm-3): xfs_log_force: error 5 returned. Nothing else is reported by the kernel albeit ls /mnt/point already returns EIO. The whole test is fairly simple to describe: It runs several threads that ~randomly create/delete/truncate/mmap/fdatasync files in several iterations, then (after ~2 minutes) the src/godown utility is run and when the program gets the message from all the threads that they got some I/O errors, it will remount the fs and tell all the threads to continue with verification of fsynced data. The trouble is that the program will never get the message from all the threads because some of them are stuck in D state on fsync/fdatasync syscall after the src/godown utility is run > Is this the latest bits (3.15)? > As Eric mentioned earlier, it is 3.10 with a lot of backports from later kernels. Boris > --Mark. > > _______________________________________________ > xfs mailing list > xfs@oss.sgi.com > http://oss.sgi.com/mailman/listinfo/xfs From bfoster@redhat.com Tue Apr 29 07:57:06 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 542D429DF8 for ; Tue, 29 Apr 2014 07:57:06 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id 42D3E304043 for ; Tue, 29 Apr 2014 05:57:03 -0700 (PDT) X-ASG-Debug-ID: 1398776218-04cbb03cc513bfb0001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id 9tXMoWolXY528s4a; Tue, 29 Apr 2014 05:56:59 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx13.intmail.prod.int.phx2.redhat.com (int-mx13.intmail.prod.int.phx2.redhat.com [10.5.11.26]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3TCup7j024421 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 29 Apr 2014 08:56:51 -0400 Received: from bfoster.bfoster ([10.18.41.237]) by int-mx13.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s3TCuoIT019354; Tue, 29 Apr 2014 08:56:50 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id 6F08012573F; Tue, 29 Apr 2014 08:56:49 -0400 (EDT) Date: Tue, 29 Apr 2014 08:56:49 -0400 From: Brian Foster To: Dave Chinner Cc: Mark Tinguely , Eric Sandeen , Boris Ranto , xfs-oss Subject: Re: [PATCH] xfs: test for shut down fs in xfs_dir_fsync() Message-ID: <20140429125648.GA59046@bfoster.bfoster> X-ASG-Orig-Subj: Re: [PATCH] xfs: test for shut down fs in xfs_dir_fsync() References: <535E8344.2070209@redhat.com> <20140428205420.GB18672@dastard> <535ECAA6.3050200@sgi.com> <20140428221849.GC18672@dastard> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140428221849.GC18672@dastard> User-Agent: Mutt/1.5.21 (2010-09-15) X-Scanned-By: MIMEDefang 2.68 on 10.5.11.26 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1398776219 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Tue, Apr 29, 2014 at 08:18:49AM +1000, Dave Chinner wrote: > On Mon, Apr 28, 2014 at 04:39:50PM -0500, Mark Tinguely wrote: > > On 04/28/14 15:54, Dave Chinner wrote: > > >On Mon, Apr 28, 2014 at 11:35:16AM -0500, Eric Sandeen wrote: ... > > xfs: don't sleep in xlog_cil_force_lsn on shutdown > > From: Dave Chinner > > Reports of a shutdown hang when fsyncing a directory have surfaced, > such as this: > > [ 3663.394472] Call Trace: > [ 3663.397199] [] schedule+0x29/0x70 > [ 3663.402743] [] xlog_cil_force_lsn+0x185/0x1a0 [xfs] > [ 3663.416249] [] _xfs_log_force_lsn+0x6f/0x2f0 [xfs] > [ 3663.429271] [] xfs_dir_fsync+0x7d/0xe0 [xfs] > [ 3663.435873] [] do_fsync+0x65/0xa0 > [ 3663.441408] [] SyS_fsync+0x10/0x20 > [ 3663.447043] [] system_call_fastpath+0x16/0x1b > > If we trigger a shutdown in xlog_cil_push() from xlog_write(), we > will never wake waiters on the current push sequence number, so > anything waiting in xlog_cil_force_lsn() for that push sequence > number to come up will not get woken and hence stall the shutdown. > > Fix this by ensuring we call wake_up_all(&cil->xc_commit_wait) in > the push abort handling, in the log shutdown code when waking all > waiters, and adding a shutdown check in the sequence completion wait > loops to ensure they abort when a wakeup due to a shutdown occurs. > > Signed-off-by: Dave Chinner > --- > fs/xfs/xfs_log.c | 7 +++++-- > fs/xfs/xfs_log_cil.c | 50 ++++++++++++++++++++++++++++++++++++++++++-------- > 2 files changed, 47 insertions(+), 10 deletions(-) > > diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c > index a5f8bd9..dbba2d7 100644 > --- a/fs/xfs/xfs_log.c > +++ b/fs/xfs/xfs_log.c > @@ -3952,11 +3952,14 @@ xfs_log_force_umount( > retval = xlog_state_ioerror(log); > spin_unlock(&log->l_icloglock); > } > + > /* > - * Wake up everybody waiting on xfs_log_force. > - * Callback all log item committed functions as if the > + * Wake up everybody waiting on xfs_log_force. This needs to wake anyone > + * waiting on a CIL push that is issued as part of a log force first > + * before running the log item committed callback functions as if the > * log writes were completed. > */ > + wake_up_all(&log->l_cilp->xc_commit_wait); > xlog_state_do_callback(log, XFS_LI_ABORTED, NULL); > Why is this necessary? It looks like xlog_state_do_callback() will hit the xlog_cil_committed() callback with the aborted flag... > #ifdef XFSERRORDEBUG > diff --git a/fs/xfs/xfs_log_cil.c b/fs/xfs/xfs_log_cil.c > index 7e54553..3a68ddf 100644 > --- a/fs/xfs/xfs_log_cil.c > +++ b/fs/xfs/xfs_log_cil.c > @@ -385,7 +385,15 @@ xlog_cil_committed( > xfs_extent_busy_clear(mp, &ctx->busy_extents, > (mp->m_flags & XFS_MOUNT_DISCARD) && !abort); > > + /* > + * If we are aborting the commit, wake up anyone waiting on the > + * committing list. If we don't, then a shutdown we can leave processes > + * waiting in xlog_cil_force_lsn() waiting on a sequence commit that > + * will never happen because we aborted it. > + */ > spin_lock(&ctx->cil->xc_push_lock); > + if (abort) > + wake_up_all(&cil->xc_commit_wait); There's a compile error here. The parameter should be '&ctx->cil->...' Brian > list_del(&ctx->committing); > spin_unlock(&ctx->cil->xc_push_lock); > > @@ -564,8 +572,18 @@ restart: > spin_lock(&cil->xc_push_lock); > list_for_each_entry(new_ctx, &cil->xc_committing, committing) { > /* > + * Avoid getting stuck in this loop because we were woken by the > + * shutdown, but then went back to sleep once already in the > + * shutdown state. > + */ > + if (XLOG_FORCED_SHUTDOWN(log)) { > + spin_unlock(&cil->xc_push_lock); > + goto out_abort_free_ticket; > + } > + > + /* > * Higher sequences will wait for this one so skip them. > - * Don't wait for own own sequence, either. > + * Don't wait for our own sequence, either. > */ > if (new_ctx->sequence >= ctx->sequence) > continue; > @@ -810,6 +828,13 @@ restart: > */ > spin_lock(&cil->xc_push_lock); > list_for_each_entry(ctx, &cil->xc_committing, committing) { > + /* > + * Avoid getting stuck in this loop because we were woken by the > + * shutdown, but then went back to sleep once already in the > + * shutdown state. > + */ > + if (XLOG_FORCED_SHUTDOWN(log)) > + goto out_shutdown; > if (ctx->sequence > sequence) > continue; > if (!ctx->commit_lsn) { > @@ -833,14 +858,12 @@ restart: > * push sequence after the above wait loop and the CIL still contains > * dirty objects. > * > - * When the push occurs, it will empty the CIL and > - * atomically increment the currect sequence past the push sequence and > - * move it into the committing list. Of course, if the CIL is clean at > - * the time of the push, it won't have pushed the CIL at all, so in that > - * case we should try the push for this sequence again from the start > - * just in case. > + * When the push occurs, it will empty the CIL and atomically increment > + * the currect sequence past the push sequence and move it into the > + * committing list. Of course, if the CIL is clean at the time of the > + * push, it won't have pushed the CIL at all, so in that case we should > + * try the push for this sequence again from the start just in case. > */ > - > if (sequence == cil->xc_current_sequence && > !list_empty(&cil->xc_cil)) { > spin_unlock(&cil->xc_push_lock); > @@ -849,6 +872,17 @@ restart: > > spin_unlock(&cil->xc_push_lock); > return commit_lsn; > + > + /* > + * We detected a shutdown in progress. We need to trigger the log force > + * to pass through it's iclog state machine error handling, even though > + * we are already in a shutdown state. Hence we can't return > + * NULLCOMMITLSN here as that has special meaning to log forces (i.e. > + * LSN is already stable), so we return a zero LSN instead. > + */ > +out_shutdown: > + spin_unlock(&cil->xc_push_lock); > + return 0; > } > > /* > > _______________________________________________ > xfs mailing list > xfs@oss.sgi.com > http://oss.sgi.com/mailman/listinfo/xfs From bfoster@redhat.com Tue Apr 29 09:05:24 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 9056E29DF8 for ; Tue, 29 Apr 2014 09:05:24 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 81B88304066 for ; Tue, 29 Apr 2014 07:05:21 -0700 (PDT) X-ASG-Debug-ID: 1398780316-04cb6c7292142340001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id cP3iSZPXN71BvJoy for ; Tue, 29 Apr 2014 07:05:17 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx01.intmail.prod.int.phx2.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3TE5EYt021967 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Tue, 29 Apr 2014 10:05:15 -0400 Received: from bfoster.bfoster ([10.18.41.237]) by int-mx01.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id s3TE5EcA026466; Tue, 29 Apr 2014 10:05:14 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id 5835112573F; Tue, 29 Apr 2014 10:05:13 -0400 (EDT) Date: Tue, 29 Apr 2014 10:05:13 -0400 From: Brian Foster To: Dave Chinner Cc: xfs@oss.sgi.com Subject: Re: [PATCH 3/9] repair: ensure prefetched buffers have CRCs validated Message-ID: <20140429140512.GB59046@bfoster.bfoster> X-ASG-Orig-Subj: Re: [PATCH 3/9] repair: ensure prefetched buffers have CRCs validated References: <1398719099-19194-1-git-send-email-david@fromorbit.com> <1398719099-19194-4-git-send-email-david@fromorbit.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1398719099-19194-4-git-send-email-david@fromorbit.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-Scanned-By: MIMEDefang 2.67 on 10.5.11.11 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1398780316 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Tue, Apr 29, 2014 at 07:04:53AM +1000, Dave Chinner wrote: > From: Dave Chinner > > Prefetch currently does not do CRC validation when the IO completes > due to the optimisation it performs and the fact that it does not > know what the type of metadata into the buffer is supposed to be. > Hence, mark all prefetched buffers as "suspect" so that when the > end user tries to read it with a supplied validation function the > validation is run even though the buffer was already in the cache. > > Signed-off-by: Dave Chinner > --- Looks good to me. Thanks for the comments. Reviewed-by: Brian Foster > include/libxfs.h | 2 ++ > libxfs/rdwr.c | 58 ++++++++++++++++++++++++++++++++++++++++--------------- > repair/prefetch.c | 7 ++++--- > 3 files changed, 48 insertions(+), 19 deletions(-) > > diff --git a/include/libxfs.h b/include/libxfs.h > index 6b1e276..9c10957 100644 > --- a/include/libxfs.h > +++ b/include/libxfs.h > @@ -436,6 +436,8 @@ extern void libxfs_putbuf (xfs_buf_t *); > > #endif > > +extern void libxfs_readbuf_verify(struct xfs_buf *bp, > + const struct xfs_buf_ops *ops); > extern xfs_buf_t *libxfs_getsb(xfs_mount_t *, int); > extern void libxfs_bcache_purge(void); > extern void libxfs_bcache_flush(void); > diff --git a/libxfs/rdwr.c b/libxfs/rdwr.c > index 7208a2f..ea4bdfd 100644 > --- a/libxfs/rdwr.c > +++ b/libxfs/rdwr.c > @@ -708,6 +708,17 @@ libxfs_readbufr(struct xfs_buftarg *btp, xfs_daddr_t blkno, xfs_buf_t *bp, > return error; > } > > +void > +libxfs_readbuf_verify(struct xfs_buf *bp, const struct xfs_buf_ops *ops) > +{ > + if (!ops) > + return; > + bp->b_ops = ops; > + bp->b_ops->verify_read(bp); > + bp->b_flags &= ~LIBXFS_B_UNCHECKED; > +} > + > + > xfs_buf_t * > libxfs_readbuf(struct xfs_buftarg *btp, xfs_daddr_t blkno, int len, int flags, > const struct xfs_buf_ops *ops) > @@ -718,23 +729,38 @@ libxfs_readbuf(struct xfs_buftarg *btp, xfs_daddr_t blkno, int len, int flags, > bp = libxfs_getbuf(btp, blkno, len); > if (!bp) > return NULL; > - if ((bp->b_flags & (LIBXFS_B_UPTODATE|LIBXFS_B_DIRTY))) > + > + /* > + * if the buffer was prefetched, it is likely that it was not validated. > + * Hence if we are supplied an ops function and the buffer is marked as > + * unchecked, we need to validate it now. > + * > + * We do this verification even if the buffer is dirty - the > + * verification is almost certainly going to fail the CRC check in this > + * case as a dirty buffer has not had the CRC recalculated. However, we > + * should not be dirtying unchecked buffers and therefore failing it > + * here because it's dirty and unchecked indicates we've screwed up > + * somewhere else. > + */ > + bp->b_error = 0; > + if ((bp->b_flags & (LIBXFS_B_UPTODATE|LIBXFS_B_DIRTY))) { > + if (bp->b_flags & LIBXFS_B_UNCHECKED) > + libxfs_readbuf_verify(bp, ops); > return bp; > + } > > /* > - * only set the ops on a cache miss (i.e. first physical read) as the > - * verifier may change the ops to match the typ eof buffer it contains. > + * Set the ops on a cache miss (i.e. first physical read) as the > + * verifier may change the ops to match the type of buffer it contains. > * A cache hit might reset the verifier to the original type if we set > * it again, but it won't get called again and set to match the buffer > * contents. *cough* xfs_da_node_buf_ops *cough*. > */ > - bp->b_error = 0; > - bp->b_ops = ops; > error = libxfs_readbufr(btp, blkno, bp, len, flags); > if (error) > bp->b_error = error; > - else if (bp->b_ops) > - bp->b_ops->verify_read(bp); > + else > + libxfs_readbuf_verify(bp, ops); > return bp; > } > > @@ -786,16 +812,15 @@ libxfs_readbuf_map(struct xfs_buftarg *btp, struct xfs_buf_map *map, int nmaps, > return NULL; > > bp->b_error = 0; > - bp->b_ops = ops; > - if ((bp->b_flags & (LIBXFS_B_UPTODATE|LIBXFS_B_DIRTY))) > + if ((bp->b_flags & (LIBXFS_B_UPTODATE|LIBXFS_B_DIRTY))) { > + if (bp->b_flags & LIBXFS_B_UNCHECKED) > + libxfs_readbuf_verify(bp, ops); > return bp; > - > - error = libxfs_readbufr_map(btp, bp, flags); > - if (!error) { > - bp->b_flags |= LIBXFS_B_UPTODATE; > - if (bp->b_ops) > - bp->b_ops->verify_read(bp); > } > + error = libxfs_readbufr_map(btp, bp, flags); > + if (!error) > + libxfs_readbuf_verify(bp, ops); > + > #ifdef IO_DEBUG > printf("%lx: %s: read %lu bytes, error %d, blkno=%llu(%llu), %p\n", > pthread_self(), __FUNCTION__, buf - (char *)bp->b_addr, error, > @@ -888,7 +913,8 @@ libxfs_writebufr(xfs_buf_t *bp) > #endif > if (!error) { > bp->b_flags |= LIBXFS_B_UPTODATE; > - bp->b_flags &= ~(LIBXFS_B_DIRTY | LIBXFS_B_EXIT); > + bp->b_flags &= ~(LIBXFS_B_DIRTY | LIBXFS_B_EXIT | > + LIBXFS_B_UNCHECKED); > } > return error; > } > diff --git a/repair/prefetch.c b/repair/prefetch.c > index 6d6d344..65fedf5 100644 > --- a/repair/prefetch.c > +++ b/repair/prefetch.c > @@ -387,8 +387,7 @@ pf_read_inode_dirs( > int hasdir = 0; > int isadir; > > - bp->b_ops = &xfs_inode_buf_ops; > - bp->b_ops->verify_read(bp); > + libxfs_readbuf_verify(bp, &xfs_inode_buf_ops); > if (bp->b_error) > return; > > @@ -460,6 +459,7 @@ pf_read_discontig( > > pthread_mutex_unlock(&args->lock); > libxfs_readbufr_map(mp->m_ddev_targp, bp, 0); > + bp->b_flags |= LIBXFS_B_UNCHECKED; > libxfs_putbuf(bp); > pthread_mutex_lock(&args->lock); > } > @@ -582,7 +582,8 @@ pf_batch_read( > if (len < size) > break; > memcpy(XFS_BUF_PTR(bplist[i]), pbuf, size); > - bplist[i]->b_flags |= LIBXFS_B_UPTODATE; > + bplist[i]->b_flags |= (LIBXFS_B_UPTODATE | > + LIBXFS_B_UNCHECKED); > len -= size; > if (B_IS_INODE(XFS_BUF_PRIORITY(bplist[i]))) > pf_read_inode_dirs(args, bplist[i]); > -- > 1.9.0 > > _______________________________________________ > xfs mailing list > xfs@oss.sgi.com > http://oss.sgi.com/mailman/listinfo/xfs From bfoster@redhat.com Tue Apr 29 09:06:24 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id A3D7029DF8 for ; Tue, 29 Apr 2014 09:06:24 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 937F28F8035 for ; Tue, 29 Apr 2014 07:06:23 -0700 (PDT) X-ASG-Debug-ID: 1398780382-04cbb03cc5141590001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id ehnWjD9T43QBiIxV for ; Tue, 29 Apr 2014 07:06:22 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx09.intmail.prod.int.phx2.redhat.com (int-mx09.intmail.prod.int.phx2.redhat.com [10.5.11.22]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3TE6LtF006201 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 29 Apr 2014 10:06:21 -0400 Received: from bfoster.bfoster ([10.18.41.237]) by int-mx09.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s3TE6K3s002591; Tue, 29 Apr 2014 10:06:20 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id BD3E512573F; Tue, 29 Apr 2014 10:06:19 -0400 (EDT) Date: Tue, 29 Apr 2014 10:06:19 -0400 From: Brian Foster To: Dave Chinner Cc: xfs@oss.sgi.com Subject: Re: [PATCH 5/9] repair: detect CRC errors in AG headers Message-ID: <20140429140619.GC59046@bfoster.bfoster> X-ASG-Orig-Subj: Re: [PATCH 5/9] repair: detect CRC errors in AG headers References: <1398719099-19194-1-git-send-email-david@fromorbit.com> <1398719099-19194-6-git-send-email-david@fromorbit.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1398719099-19194-6-git-send-email-david@fromorbit.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-Scanned-By: MIMEDefang 2.68 on 10.5.11.22 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1398780382 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Tue, Apr 29, 2014 at 07:04:55AM +1000, Dave Chinner wrote: > From: Dave Chinner > > repair doesn't currently detect verifier errors in AG header > blocks - apart from the primary superblock they are not detected. > They are, fortunately, corrected in the important cases (AGF, AGI > and AGFL) because these structures are rebuilt in phase 5, but if > you run xfs_repair in checking mode it won't report them as bad. > > Signed-off-by: Dave Chinner > --- > repair/scan.c | 83 +++++++++++++++++++++++++++++++++++------------------------ > 1 file changed, 49 insertions(+), 34 deletions(-) > > diff --git a/repair/scan.c b/repair/scan.c > index 1744c32..dec84ed 100644 > --- a/repair/scan.c > +++ b/repair/scan.c > @@ -1207,39 +1207,38 @@ scan_ag( > void *arg) > { > struct aghdr_cnts *agcnts = arg; > - xfs_agf_t *agf; > - xfs_buf_t *agfbuf; > + struct xfs_agf *agf; > + struct xfs_buf *agfbuf = NULL; > int agf_dirty = 0; > - xfs_agi_t *agi; > - xfs_buf_t *agibuf; > + struct xfs_agi *agi; > + struct xfs_buf *agibuf = NULL; > int agi_dirty = 0; > - xfs_sb_t *sb; > - xfs_buf_t *sbbuf; > + struct xfs_sb *sb = NULL; > + struct xfs_buf *sbbuf = NULL; > int sb_dirty = 0; > int status; > + char *objname = NULL; > > - sbbuf = libxfs_readbuf(mp->m_dev, XFS_AG_DADDR(mp, agno, XFS_SB_DADDR), > - XFS_FSS_TO_BB(mp, 1), 0, &xfs_sb_buf_ops); > - if (!sbbuf) { > - do_error(_("can't get root superblock for ag %d\n"), agno); > - return; > - } > - sb = (xfs_sb_t *)calloc(BBSIZE, 1); > + sb = (struct xfs_sb *)calloc(BBSIZE, 1); > if (!sb) { > do_error(_("can't allocate memory for superblock\n")); > - libxfs_putbuf(sbbuf); > return; > } > + > + sbbuf = libxfs_readbuf(mp->m_dev, XFS_AG_DADDR(mp, agno, XFS_SB_DADDR), > + XFS_FSS_TO_BB(mp, 1), 0, &xfs_sb_buf_ops); > + if (!sbbuf) { > + objname = _("root superblock"); > + goto out_free_sb; > + } > libxfs_sb_from_disk(sb, XFS_BUF_TO_SBP(sbbuf)); > > agfbuf = libxfs_readbuf(mp->m_dev, > XFS_AG_DADDR(mp, agno, XFS_AGF_DADDR(mp)), > XFS_FSS_TO_BB(mp, 1), 0, &xfs_agf_buf_ops); > if (!agfbuf) { > - do_error(_("can't read agf block for ag %d\n"), agno); > - libxfs_putbuf(sbbuf); > - free(sb); > - return; > + objname = _("agf block"); > + goto out_free_sbbuf; > } > agf = XFS_BUF_TO_AGF(agfbuf); > > @@ -1247,11 +1246,8 @@ scan_ag( > XFS_AG_DADDR(mp, agno, XFS_AGI_DADDR(mp)), > XFS_FSS_TO_BB(mp, 1), 0, &xfs_agi_buf_ops); > if (!agibuf) { > - do_error(_("can't read agi block for ag %d\n"), agno); > - libxfs_putbuf(agfbuf); > - libxfs_putbuf(sbbuf); > - free(sb); > - return; > + objname = _("agi block"); > + goto out_free_agfbuf; > } > agi = XFS_BUF_TO_AGI(agibuf); > > @@ -1295,15 +1291,9 @@ scan_ag( > } > > if (status && no_modify) { > - libxfs_putbuf(agibuf); > - libxfs_putbuf(agfbuf); > - libxfs_putbuf(sbbuf); > - free(sb); > - > do_warn(_("bad uncorrected agheader %d, skipping ag...\n"), > agno); > - > - return; > + goto out_free_agibuf; > } > > scan_freelist(agf, agcnts); > @@ -1312,21 +1302,34 @@ scan_ag( > validate_agi(agi, agno, agcnts); > > ASSERT(agi_dirty == 0 || (agi_dirty && !no_modify)); > + ASSERT(agf_dirty == 0 || (agf_dirty && !no_modify)); > + ASSERT(sb_dirty == 0 || (sb_dirty && !no_modify)); > + > + /* > + * Only pay attention to CRC/verifier errors if we can correct them. > + * While there, ensure that we corrected a corruption error if the > + * verifier detected one. > + */ > + if (!no_modify) { > + ASSERT(agi_dirty || agibuf->b_error != EFSCORRUPTED); > + ASSERT(agf_dirty || agfbuf->b_error != EFSCORRUPTED); > + ASSERT(sb_dirty || sbbuf->b_error != EFSCORRUPTED); > + > + agi_dirty += (agibuf->b_error == EFSBADCRC); > + agf_dirty += (agfbuf->b_error == EFSBADCRC); > + sb_dirty += (sbbuf->b_error == EFSBADCRC); > + } So we'll detect and correct the CRC error in normal mode, but no longer issue the preceding warnings ("would reset bad ...") for CRC errors in no_modify mode. Is that desired? I ask because it looks like a departure from previous versions. Otherwise, the code looks fine to me. Brian > > if (agi_dirty && !no_modify) > libxfs_writebuf(agibuf, 0); > else > libxfs_putbuf(agibuf); > > - ASSERT(agf_dirty == 0 || (agf_dirty && !no_modify)); > - > if (agf_dirty && !no_modify) > libxfs_writebuf(agfbuf, 0); > else > libxfs_putbuf(agfbuf); > > - ASSERT(sb_dirty == 0 || (sb_dirty && !no_modify)); > - > if (sb_dirty && !no_modify) { > if (agno == 0) > memcpy(&mp->m_sb, sb, sizeof(xfs_sb_t)); > @@ -1341,6 +1344,18 @@ scan_ag( > print_inode_list(i); > #endif > return; > + > +out_free_agibuf: > + libxfs_putbuf(agibuf); > +out_free_agfbuf: > + libxfs_putbuf(agfbuf); > +out_free_sbbuf: > + libxfs_putbuf(sbbuf); > +out_free_sb: > + free(sb); > + > + if (objname) > + do_error(_("can't get %s for ag %d\n"), objname, agno); > } > > #define SCAN_THREADS 32 > -- > 1.9.0 > > _______________________________________________ > xfs mailing list > xfs@oss.sgi.com > http://oss.sgi.com/mailman/listinfo/xfs From bfoster@redhat.com Tue Apr 29 09:06:31 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 441AE29E02 for ; Tue, 29 Apr 2014 09:06:31 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id 1618B8F8035 for ; Tue, 29 Apr 2014 07:06:31 -0700 (PDT) X-ASG-Debug-ID: 1398780390-04bdf02b8d144b60001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id WwoD7CgyTaqCFt0K for ; Tue, 29 Apr 2014 07:06:30 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3TE6Tux005874 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 29 Apr 2014 10:06:29 -0400 Received: from bfoster.bfoster ([10.18.41.237]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s3TE6S1r030288; Tue, 29 Apr 2014 10:06:29 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id F10D112573F; Tue, 29 Apr 2014 10:06:27 -0400 (EDT) Date: Tue, 29 Apr 2014 10:06:27 -0400 From: Brian Foster To: Dave Chinner Cc: xfs@oss.sgi.com Subject: Re: [PATCH 8/9] repair: handle remote symlink CRC errors Message-ID: <20140429140627.GD59046@bfoster.bfoster> X-ASG-Orig-Subj: Re: [PATCH 8/9] repair: handle remote symlink CRC errors References: <1398719099-19194-1-git-send-email-david@fromorbit.com> <1398719099-19194-9-git-send-email-david@fromorbit.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1398719099-19194-9-git-send-email-david@fromorbit.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1398780390 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Tue, Apr 29, 2014 at 07:04:58AM +1000, Dave Chinner wrote: > From: Dave Chinner > > We can't really repair broken symlink buffer contents, but we can at > least warn about it and correct the CRC error so the symlink is > again readable. > > Signed-off-by: Dave Chinner > --- Reviewed-by: Brian Foster > repair/dinode.c | 12 +++++++++++- > 1 file changed, 11 insertions(+), 1 deletion(-) > > diff --git a/repair/dinode.c b/repair/dinode.c > index b086bec..8891e84 100644 > --- a/repair/dinode.c > +++ b/repair/dinode.c > @@ -1254,6 +1254,7 @@ process_symlink_remote( > while (pathlen > 0) { > int blk_cnt = 1; > int byte_cnt; > + int badcrc = 0; > > fsbno = blkmap_get(blkmap, i); > if (fsbno == NULLDFSBNO) { > @@ -1284,6 +1285,12 @@ _("cannot read inode %" PRIu64 ", file block %d, disk block %" PRIu64 "\n"), > lino, i, fsbno); > return 1; > } > + if (bp->b_error == EFSBADCRC) { > + do_warn( > +_("Bad symlink buffer CRC, block %" PRIu64 ", inode %" PRIu64 ".\n" > + "Correcting CRC, but symlink may be bad.\n"), fsbno, lino); > + badcrc = 1; > + } > > byte_cnt = XFS_SYMLINK_BUF_SPACE(mp, byte_cnt); > byte_cnt = MIN(pathlen, byte_cnt); > @@ -1307,7 +1314,10 @@ _("bad symlink header ino %" PRIu64 ", file block %d, disk block %" PRIu64 "\n") > offset += byte_cnt; > i++; > > - libxfs_putbuf(bp); > + if (badcrc && !no_modify) > + libxfs_writebuf(bp, 0); > + else > + libxfs_putbuf(bp); > } > return 0; > } > -- > 1.9.0 > > _______________________________________________ > xfs mailing list > xfs@oss.sgi.com > http://oss.sgi.com/mailman/listinfo/xfs From bfoster@redhat.com Tue Apr 29 09:06:55 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 9FA5529DF8 for ; Tue, 29 Apr 2014 09:06:55 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 8D957304062 for ; Tue, 29 Apr 2014 07:06:55 -0700 (PDT) X-ASG-Debug-ID: 1398780414-04cb6c7291142520001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id hBYFXbTPuuNsWptV for ; Tue, 29 Apr 2014 07:06:54 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx09.intmail.prod.int.phx2.redhat.com (int-mx09.intmail.prod.int.phx2.redhat.com [10.5.11.22]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3TE6rbk006392 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 29 Apr 2014 10:06:53 -0400 Received: from bfoster.bfoster ([10.18.41.237]) by int-mx09.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s3TE6qpJ003137; Tue, 29 Apr 2014 10:06:52 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id CF83C12573F; Tue, 29 Apr 2014 10:06:51 -0400 (EDT) Date: Tue, 29 Apr 2014 10:06:51 -0400 From: Brian Foster To: Dave Chinner Cc: xfs@oss.sgi.com Subject: Re: [PATCH 9/9] repair: detect and handle attribute tree CRC errors Message-ID: <20140429140651.GE59046@bfoster.bfoster> X-ASG-Orig-Subj: Re: [PATCH 9/9] repair: detect and handle attribute tree CRC errors References: <1398719099-19194-1-git-send-email-david@fromorbit.com> <1398719099-19194-10-git-send-email-david@fromorbit.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1398719099-19194-10-git-send-email-david@fromorbit.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-Scanned-By: MIMEDefang 2.68 on 10.5.11.22 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1398780414 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Tue, Apr 29, 2014 at 07:04:59AM +1000, Dave Chinner wrote: > From: Dave Chinner > > Currently the attribute code will not detect and correct errors in > the attribute tree. It also fails to validate the CRCs and headers > on remote attribute blocks. Ensure that all the attribute blocks are > CRC checked and that the processing functions understand the correct > block formats for decoding. > > Signed-off-by: Dave Chinner > --- > repair/attr_repair.c | 45 +++++++++++++++++++++++++++++++++++++-------- > 1 file changed, 37 insertions(+), 8 deletions(-) > > diff --git a/repair/attr_repair.c b/repair/attr_repair.c > index ba85ac2..9b57960 100644 > --- a/repair/attr_repair.c > +++ b/repair/attr_repair.c > @@ -604,6 +604,7 @@ verify_da_path(xfs_mount_t *mp, > libxfs_putbuf(bp); > return(1); > } > + > /* > * update cursor, write out the *current* level if > * required. don't write out the descendant level > @@ -615,6 +616,8 @@ verify_da_path(xfs_mount_t *mp, > libxfs_writebuf(cursor->level[this_level].bp, 0); > else > libxfs_putbuf(cursor->level[this_level].bp); > + > + /* switch cursor to point at the new buffer we just read */ > cursor->level[this_level].bp = bp; > cursor->level[this_level].dirty = 0; > cursor->level[this_level].bno = dabno; > @@ -624,6 +627,14 @@ verify_da_path(xfs_mount_t *mp, > cursor->level[this_level].n = newnode; > #endif > entry = cursor->level[this_level].index = 0; > + > + /* > + * We want to rewrite the buffer a CRC error seeing as it Nit: ^ "on a CRC error ..." ? > + * contains what appears to be a valid node block, but only if > + * we are fixing errors. > + */ > + if (bp->b_error == EFSBADCRC && !no_modify) > + cursor->level[this_level].dirty++; > } > /* > * ditto for block numbers > @@ -974,6 +985,10 @@ rmtval_get(xfs_mount_t *mp, xfs_ino_t ino, blkmap_t *blkmap, > xfs_dfsbno_t bno; > xfs_buf_t *bp; > int clearit = 0, i = 0, length = 0, amountdone = 0; > + int hdrsize = 0; > + > + if (xfs_sb_version_hascrc(&mp->m_sb)) > + hdrsize = sizeof(struct xfs_attr3_rmt_hdr); > > /* ASSUMPTION: valuelen is a valid number, so use it for looping */ > /* Note that valuelen is not a multiple of blocksize */ > @@ -986,16 +1001,26 @@ rmtval_get(xfs_mount_t *mp, xfs_ino_t ino, blkmap_t *blkmap, > break; > } > bp = libxfs_readbuf(mp->m_dev, XFS_FSB_TO_DADDR(mp, bno), > - XFS_FSB_TO_BB(mp, 1), 0, NULL); > + XFS_FSB_TO_BB(mp, 1), 0, > + &xfs_attr3_rmt_buf_ops); > if (!bp) { > do_warn( > _("can't read remote block for attributes of inode %" PRIu64 "\n"), ino); > clearit = 1; > break; > } > + > + if (bp->b_error == EFSBADCRC || bp->b_error == EFSCORRUPTED) { > + do_warn( > + _("Corrupt remote block for attributes of inode %" PRIu64 "\n"), ino); > + clearit = 1; > + break; > + } > + > ASSERT(mp->m_sb.sb_blocksize == XFS_BUF_COUNT(bp)); > - length = MIN(XFS_BUF_COUNT(bp), valuelen - amountdone); > - memmove(value, XFS_BUF_PTR(bp), length); > + > + length = MIN(XFS_BUF_COUNT(bp) - hdrsize, valuelen - amountdone); > + memmove(value, XFS_BUF_PTR(bp) + hdrsize, length); > amountdone += length; > value += length; > i++; > @@ -1143,7 +1168,6 @@ process_leaf_attr_block( > > xfs_attr3_leaf_hdr_from_disk(&leafhdr, leaf); > clearit = usedbs = 0; > - *repair = 0; > firstb = mp->m_sb.sb_blocksize; > stop = xfs_attr3_leaf_hdr_size(leaf); > > @@ -1320,13 +1344,16 @@ process_leaf_attr_level(xfs_mount_t *mp, > } > > bp = libxfs_readbuf(mp->m_dev, XFS_FSB_TO_DADDR(mp, dev_bno), > - XFS_FSB_TO_BB(mp, 1), 0, NULL); > + XFS_FSB_TO_BB(mp, 1), 0, > + &xfs_attr3_leaf_buf_ops); > if (!bp) { > do_warn( > _("can't read file block %u (fsbno %" PRIu64 ") for attribute fork of inode %" PRIu64 "\n"), > da_bno, dev_bno, ino); > goto error_out; > } > + if (bp->b_error == EFSBADCRC) > + repair++; > > leaf = bp->b_addr; > xfs_attr3_leaf_hdr_from_disk(&leafhdr, leaf); > @@ -1382,9 +1409,9 @@ process_leaf_attr_level(xfs_mount_t *mp, > > current_hashval = greatest_hashval; > > - if (repair && !no_modify) > + if (repair && !no_modify) > libxfs_writebuf(bp, 0); > - else > + else > libxfs_putbuf(bp); > } while (da_bno != 0); > > @@ -1512,6 +1539,8 @@ process_longform_attr( > ino); > return(1); > } > + if (bp->b_error == EFSBADCRC) > + (*repair)++; > > /* verify leaf block */ > leaf = (xfs_attr_leafblock_t *)XFS_BUF_PTR(bp); > @@ -1555,7 +1584,7 @@ process_longform_attr( > case XFS_DA_NODE_MAGIC: /* btree-form attribute */ > case XFS_DA3_NODE_MAGIC: > /* must do this now, to release block 0 before the traversal */ > - if (repairlinks) { > + if (*repair || repairlinks) { > *repair = 1; > libxfs_writebuf(bp, 0); > } else repairlinks incorporates a !no_modify check, but *repair does not. It's incremented unconditionally if we find a CRC error. I suspect this means we now need a !no_modify check for the writebuf/putbuf check here, as is done in the alternate path at the end of the function. Brian > -- > 1.9.0 > > _______________________________________________ > xfs mailing list > xfs@oss.sgi.com > http://oss.sgi.com/mailman/listinfo/xfs From BATV+b74c7dfc30afbe8f0ad4+3901+infradead.org+hch@bombadil.srs.infradead.org Tue Apr 29 13:15:08 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id EADD929DF8 for ; Tue, 29 Apr 2014 13:15:08 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id DF6CF304064 for ; Tue, 29 Apr 2014 11:15:05 -0700 (PDT) X-ASG-Debug-ID: 1398795303-04cbb03cc4155880001-NocioJ Received: from bombadil.infradead.org ([198.137.202.9]) by cuda.sgi.com with ESMTP id FtjJn9h1RoS8A4gI (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Tue, 29 Apr 2014 11:15:04 -0700 (PDT) X-Barracuda-Envelope-From: BATV+b74c7dfc30afbe8f0ad4+3901+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.80.1 #2 (Red Hat Linux)) id 1WfCYZ-000301-JN; Tue, 29 Apr 2014 18:15:03 +0000 Date: Tue, 29 Apr 2014 11:15:03 -0700 From: Christoph Hellwig To: Dave Chinner Cc: xfs@oss.sgi.com Subject: Re: [PATCH 3/9] repair: ensure prefetched buffers have CRCs validated Message-ID: <20140429181503.GA9267@infradead.org> X-ASG-Orig-Subj: Re: [PATCH 3/9] repair: ensure prefetched buffers have CRCs validated References: <1398719099-19194-1-git-send-email-david@fromorbit.com> <1398719099-19194-4-git-send-email-david@fromorbit.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1398719099-19194-4-git-send-email-david@fromorbit.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html X-Barracuda-Connect: UNKNOWN[198.137.202.9] X-Barracuda-Start-Time: 1398795304 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-Spam-Score: 0.10 X-Barracuda-Spam-Status: No, SCORE=0.10 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=RDNS_NONE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5364 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.10 RDNS_NONE Delivered to trusted network by a host with no rDNS Looks good, Reviewed-by: Christoph Hellwig From BATV+b74c7dfc30afbe8f0ad4+3901+infradead.org+hch@bombadil.srs.infradead.org Tue Apr 29 13:16:58 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 0B08329DF8 for ; Tue, 29 Apr 2014 13:16:58 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id D47C8304062 for ; Tue, 29 Apr 2014 11:16:57 -0700 (PDT) X-ASG-Debug-ID: 1398795416-04bdf02b8c15b870001-NocioJ Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) by cuda.sgi.com with ESMTP id O4uNZxBV32NI2sce (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Tue, 29 Apr 2014 11:16:56 -0700 (PDT) X-Barracuda-Envelope-From: BATV+b74c7dfc30afbe8f0ad4+3901+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.80.1 #2 (Red Hat Linux)) id 1WfCaO-0003hG-MW; Tue, 29 Apr 2014 18:16:56 +0000 Date: Tue, 29 Apr 2014 11:16:56 -0700 From: Christoph Hellwig To: Dave Chinner Cc: xfs@oss.sgi.com Subject: Re: [PATCH 5/9] repair: detect CRC errors in AG headers Message-ID: <20140429181656.GB9267@infradead.org> X-ASG-Orig-Subj: Re: [PATCH 5/9] repair: detect CRC errors in AG headers References: <1398719099-19194-1-git-send-email-david@fromorbit.com> <1398719099-19194-6-git-send-email-david@fromorbit.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1398719099-19194-6-git-send-email-david@fromorbit.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html X-Barracuda-Connect: bombadil.infradead.org[198.137.202.9] X-Barracuda-Start-Time: 1398795416 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5364 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Tue, Apr 29, 2014 at 07:04:55AM +1000, Dave Chinner wrote: > From: Dave Chinner > > repair doesn't currently detect verifier errors in AG header > blocks - apart from the primary superblock they are not detected. > They are, fortunately, corrected in the important cases (AGF, AGI > and AGFL) because these structures are rebuilt in phase 5, but if > you run xfs_repair in checking mode it won't report them as bad. > > Signed-off-by: Dave Chinner Looks good, Reviewed-by: Christoph Hellwig From BATV+b74c7dfc30afbe8f0ad4+3901+infradead.org+hch@bombadil.srs.infradead.org Tue Apr 29 13:17:37 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 51DE029DF8 for ; Tue, 29 Apr 2014 13:17:37 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id 371898F8039 for ; Tue, 29 Apr 2014 11:17:34 -0700 (PDT) X-ASG-Debug-ID: 1398795453-04bdf02b8a15b970001-NocioJ Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) by cuda.sgi.com with ESMTP id f62WEhMoRvWW1tYd (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Tue, 29 Apr 2014 11:17:33 -0700 (PDT) X-Barracuda-Envelope-From: BATV+b74c7dfc30afbe8f0ad4+3901+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.80.1 #2 (Red Hat Linux)) id 1WfCaz-0003nR-2B; Tue, 29 Apr 2014 18:17:33 +0000 Date: Tue, 29 Apr 2014 11:17:33 -0700 From: Christoph Hellwig To: Dave Chinner Cc: xfs@oss.sgi.com Subject: Re: [PATCH 8/9] repair: handle remote symlink CRC errors Message-ID: <20140429181733.GD9267@infradead.org> X-ASG-Orig-Subj: Re: [PATCH 8/9] repair: handle remote symlink CRC errors References: <1398719099-19194-1-git-send-email-david@fromorbit.com> <1398719099-19194-9-git-send-email-david@fromorbit.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1398719099-19194-9-git-send-email-david@fromorbit.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html X-Barracuda-Connect: bombadil.infradead.org[198.137.202.9] X-Barracuda-Start-Time: 1398795453 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5364 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Tue, Apr 29, 2014 at 07:04:58AM +1000, Dave Chinner wrote: > From: Dave Chinner > > We can't really repair broken symlink buffer contents, but we can at > least warn about it and correct the CRC error so the symlink is > again readable. > > Signed-off-by: Dave Chinner Looks good, Reviewed-by: Christoph Hellwig From BATV+b74c7dfc30afbe8f0ad4+3901+infradead.org+hch@bombadil.srs.infradead.org Tue Apr 29 13:18:50 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 4D6D129DF8 for ; Tue, 29 Apr 2014 13:18:50 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id 308588F8037 for ; Tue, 29 Apr 2014 11:18:50 -0700 (PDT) X-ASG-Debug-ID: 1398795527-04bdf02b8b15bb50001-NocioJ Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) by cuda.sgi.com with ESMTP id 6S3CHatE12fbaOUm (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Tue, 29 Apr 2014 11:18:47 -0700 (PDT) X-Barracuda-Envelope-From: BATV+b74c7dfc30afbe8f0ad4+3901+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.80.1 #2 (Red Hat Linux)) id 1WfCcB-00049z-Lz; Tue, 29 Apr 2014 18:18:47 +0000 Date: Tue, 29 Apr 2014 11:18:47 -0700 From: Christoph Hellwig To: Dave Chinner Cc: xfs@oss.sgi.com Subject: Re: [PATCH 9/9] repair: detect and handle attribute tree CRC errors Message-ID: <20140429181847.GE9267@infradead.org> X-ASG-Orig-Subj: Re: [PATCH 9/9] repair: detect and handle attribute tree CRC errors References: <1398719099-19194-1-git-send-email-david@fromorbit.com> <1398719099-19194-10-git-send-email-david@fromorbit.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1398719099-19194-10-git-send-email-david@fromorbit.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html X-Barracuda-Connect: bombadil.infradead.org[198.137.202.9] X-Barracuda-Start-Time: 1398795527 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5364 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Tue, Apr 29, 2014 at 07:04:59AM +1000, Dave Chinner wrote: > From: Dave Chinner > > Currently the attribute code will not detect and correct errors in > the attribute tree. It also fails to validate the CRCs and headers > on remote attribute blocks. Ensure that all the attribute blocks are > CRC checked and that the processing functions understand the correct > block formats for decoding. > > Signed-off-by: Dave Chinner Looks good, Reviewed-by: Christoph Hellwig From david@fromorbit.com Tue Apr 29 15:12:28 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 2A96D29DF8 for ; Tue, 29 Apr 2014 15:12:28 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id EDA79304064 for ; Tue, 29 Apr 2014 13:12:24 -0700 (PDT) X-ASG-Debug-ID: 1398802342-04bdf02b8b1658b0001-NocioJ Received: from ipmail04.adl6.internode.on.net (ipmail04.adl6.internode.on.net [150.101.137.141]) by cuda.sgi.com with ESMTP id X3OqVTHhkg4pU2aI for ; Tue, 29 Apr 2014 13:12:22 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.141 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AnpMAOoGYFN5LEcvPGdsb2JhbABZgwaIRKN5AQEBBZl3gSUXAwEBAQE4NYIlAQEFJxMcIxAIAw4HAwklDwUlAwcaE4hAyVQXFoU/iHoHgySBFQSZD4p4iy4r Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail04.adl6.internode.on.net with ESMTP; 30 Apr 2014 05:42:21 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WfEO4-0008L3-KQ; Wed, 30 Apr 2014 06:12:20 +1000 Date: Wed, 30 Apr 2014 06:12:20 +1000 From: Dave Chinner To: Brian Foster Cc: Mark Tinguely , Eric Sandeen , Boris Ranto , xfs-oss Subject: Re: [PATCH] xfs: test for shut down fs in xfs_dir_fsync() Message-ID: <20140429201220.GC22497@dastard> X-ASG-Orig-Subj: Re: [PATCH] xfs: test for shut down fs in xfs_dir_fsync() References: <535E8344.2070209@redhat.com> <20140428205420.GB18672@dastard> <535ECAA6.3050200@sgi.com> <20140428221849.GC18672@dastard> <20140429125648.GA59046@bfoster.bfoster> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140429125648.GA59046@bfoster.bfoster> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail04.adl6.internode.on.net[150.101.137.141] X-Barracuda-Start-Time: 1398802342 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5367 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Tue, Apr 29, 2014 at 08:56:49AM -0400, Brian Foster wrote: > On Tue, Apr 29, 2014 at 08:18:49AM +1000, Dave Chinner wrote: > > On Mon, Apr 28, 2014 at 04:39:50PM -0500, Mark Tinguely wrote: > > > On 04/28/14 15:54, Dave Chinner wrote: > > > >On Mon, Apr 28, 2014 at 11:35:16AM -0500, Eric Sandeen wrote: > ... > > > > xfs: don't sleep in xlog_cil_force_lsn on shutdown > > > > From: Dave Chinner > > > > Reports of a shutdown hang when fsyncing a directory have surfaced, > > such as this: > > > > [ 3663.394472] Call Trace: > > [ 3663.397199] [] schedule+0x29/0x70 > > [ 3663.402743] [] xlog_cil_force_lsn+0x185/0x1a0 [xfs] > > [ 3663.416249] [] _xfs_log_force_lsn+0x6f/0x2f0 [xfs] > > [ 3663.429271] [] xfs_dir_fsync+0x7d/0xe0 [xfs] > > [ 3663.435873] [] do_fsync+0x65/0xa0 > > [ 3663.441408] [] SyS_fsync+0x10/0x20 > > [ 3663.447043] [] system_call_fastpath+0x16/0x1b > > > > If we trigger a shutdown in xlog_cil_push() from xlog_write(), we > > will never wake waiters on the current push sequence number, so > > anything waiting in xlog_cil_force_lsn() for that push sequence > > number to come up will not get woken and hence stall the shutdown. > > > > Fix this by ensuring we call wake_up_all(&cil->xc_commit_wait) in > > the push abort handling, in the log shutdown code when waking all > > waiters, and adding a shutdown check in the sequence completion wait > > loops to ensure they abort when a wakeup due to a shutdown occurs. > > > > Signed-off-by: Dave Chinner > > --- > > fs/xfs/xfs_log.c | 7 +++++-- > > fs/xfs/xfs_log_cil.c | 50 ++++++++++++++++++++++++++++++++++++++++++-------- > > 2 files changed, 47 insertions(+), 10 deletions(-) > > > > diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c > > index a5f8bd9..dbba2d7 100644 > > --- a/fs/xfs/xfs_log.c > > +++ b/fs/xfs/xfs_log.c > > @@ -3952,11 +3952,14 @@ xfs_log_force_umount( > > retval = xlog_state_ioerror(log); > > spin_unlock(&log->l_icloglock); > > } > > + > > /* > > - * Wake up everybody waiting on xfs_log_force. > > - * Callback all log item committed functions as if the > > + * Wake up everybody waiting on xfs_log_force. This needs to wake anyone > > + * waiting on a CIL push that is issued as part of a log force first > > + * before running the log item committed callback functions as if the > > * log writes were completed. > > */ > > + wake_up_all(&log->l_cilp->xc_commit_wait); > > xlog_state_do_callback(log, XFS_LI_ABORTED, NULL); > > > > Why is this necessary? It looks like xlog_state_do_callback() will hit > the xlog_cil_committed() callback with the aborted flag... I added it before adding the code into xlog_cil_committed(). Regardless, I think it's a good idea to have a specific wakeup to for waiters catch the shutdown purely from a defensive POV - if we screw up something else, we will still get a wakeup after the log is marked shutdown and not hang... > > #ifdef XFSERRORDEBUG > > diff --git a/fs/xfs/xfs_log_cil.c b/fs/xfs/xfs_log_cil.c > > index 7e54553..3a68ddf 100644 > > --- a/fs/xfs/xfs_log_cil.c > > +++ b/fs/xfs/xfs_log_cil.c > > @@ -385,7 +385,15 @@ xlog_cil_committed( > > xfs_extent_busy_clear(mp, &ctx->busy_extents, > > (mp->m_flags & XFS_MOUNT_DISCARD) && !abort); > > > > + /* > > + * If we are aborting the commit, wake up anyone waiting on the > > + * committing list. If we don't, then a shutdown we can leave processes > > + * waiting in xlog_cil_force_lsn() waiting on a sequence commit that > > + * will never happen because we aborted it. > > + */ > > spin_lock(&ctx->cil->xc_push_lock); > > + if (abort) > > + wake_up_all(&cil->xc_commit_wait); > > There's a compile error here. The parameter should be '&ctx->cil->...' Forgot to refresh the patch - the tested version has this fix. Cheers, Dave. -- Dave Chinner david@fromorbit.com From resembleyuo@gmail.com Tue Apr 29 19:27:36 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=FREEMAIL_FROM,T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 3193829DF8 for ; Tue, 29 Apr 2014 19:27:36 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id BA28EAC008 for ; Tue, 29 Apr 2014 17:27:35 -0700 (PDT) X-ASG-Debug-ID: 1398817654-04cbb03cc416fef0001-NocioJ Received: from mail-ve0-f195.google.com (mail-ve0-f195.google.com [209.85.128.195]) by cuda.sgi.com with ESMTP id Sc28TXeog5Xtfi91 (version=TLSv1 cipher=RC4-SHA bits=128 verify=NO) for ; Tue, 29 Apr 2014 17:27:34 -0700 (PDT) X-Barracuda-Envelope-From: resembleyuo@gmail.com X-Barracuda-Apparent-Source-IP: 209.85.128.195 X-Barracuda-IPDD: Level1 [gmail.com/209.85.128.195] Received: by mail-ve0-f195.google.com with SMTP id jw12so54237veb.10 for ; Tue, 29 Apr 2014 17:27:34 -0700 (PDT) X-Barracuda-IPDD: Level1 [gmail.com/209.85.128.195] X-Barracuda-IPDD: Level1 [gmail.com/209.85.128.195] DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:date:message-id:subject:from:to:content-type; bh=AKuQ7wU5hphnuVFMMYcT5ag/a0zFkSxyqjq/ZOf5Wt4=; b=R2jR7jCBYg24zyw8HPZwu9M73W2wLwGGi6fqwFPylRG2YeVpFbxxGeAsSwQLKJ0R4o qEW/dP6+09TGievhSuwej3+qe6EdXpdIgHpGfBQ/ZbOOw5XPc7miGhvELrbB56LfitaC NOYM35f787vDXeYpTduVqUgioIjOIlSvof2fdKSuevBn7LyNgrvt3kXWEqHDe0tbuRp/ 5qs/K0+vtD8U8fEuhW4iMsZHAoYQNRb8rPcByA9BGugJ5txC9VtUfYBOG2Viaty8BCGV RW6hBY9Djq2kIhPmcXuTQZBlbsPQrFzXlXHLcffB3bOQ9xYn8wd0Arh+nQtGBBwaZH76 +x3w== MIME-Version: 1.0 X-Received: by 10.52.37.196 with SMTP id a4mr648969vdk.33.1398817653576; Tue, 29 Apr 2014 17:27:33 -0700 (PDT) Received: by 10.220.184.6 with HTTP; Tue, 29 Apr 2014 17:27:31 -0700 (PDT) Date: Wed, 30 Apr 2014 08:27:31 +0800 Message-ID: Subject: color box, display box, corrugated box, color card, blister card, color sleeve, hang tag, label From: Jinghao Printing - CHINA X-ASG-Orig-Subj: color box, display box, corrugated box, color card, blister card, color sleeve, hang tag, label To: undisclosed-recipients:; Content-Type: text/plain; charset=UTF-8 X-Barracuda-Connect: mail-ve0-f195.google.com[209.85.128.195] X-Barracuda-Start-Time: 1398817654 X-Barracuda-Encrypted: RC4-SHA X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=DKIM_SIGNED, DKIM_VERIFIED X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5375 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- -0.00 DKIM_VERIFIED Domain Keys Identified Mail: signature passes verification 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature Hi, this is David Wu from Shanghai, China. 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Best regards, David Wu From david@fromorbit.com Tue Apr 29 22:22:21 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 1B53429DF8 for ; Tue, 29 Apr 2014 22:22:21 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id D5887304062 for ; Tue, 29 Apr 2014 20:22:17 -0700 (PDT) X-ASG-Debug-ID: 1398828131-04bdf02b8b17e990001-NocioJ Received: from ipmail06.adl2.internode.on.net (ipmail06.adl2.internode.on.net [150.101.137.129]) by cuda.sgi.com with ESMTP id SiFvp6i3jt4872Ln for ; Tue, 29 Apr 2014 20:22:12 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.129 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AiJRAK9rYFN5LEcvPGdsb2JhbABZgwZPgm2oRQoBAQEBAQWUF4VggSYXAwEBAQE4NYIlAQEFOhwjEAgDGAklDwUlAwcaE4hADsoQFxaFP4Z/gXYFB4MkgRUEmQ+KeYsuKw Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail06.adl2.internode.on.net with ESMTP; 30 Apr 2014 12:52:10 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WfL61-0000r4-61; Wed, 30 Apr 2014 13:22:09 +1000 Date: Wed, 30 Apr 2014 13:22:09 +1000 From: Dave Chinner To: Bob Mastors Cc: xfs@oss.sgi.com Subject: Re: xfs umount hang in xfs_ail_push_all_sync on i/o error Message-ID: <20140430032209.GA22353@dastard> X-ASG-Orig-Subj: Re: xfs umount hang in xfs_ail_push_all_sync on i/o error References: <20140428234558.GD18672@dastard> <20140429010121.GE18672@dastard> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail06.adl2.internode.on.net[150.101.137.129] X-Barracuda-Start-Time: 1398828131 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5379 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Tue, Apr 29, 2014 at 03:47:15PM -0600, Bob Mastors wrote: > On Mon, Apr 28, 2014 at 7:01 PM, Dave Chinner wrote: > > > On Mon, Apr 28, 2014 at 05:51:31PM -0600, Bob Mastors wrote: > > > Log output attached. > > > The xfs filesystem being mounted and unmounted is the only xfs filesystem > > > on the system. > > > Bob > > > > > > > > > On Mon, Apr 28, 2014 at 5:45 PM, Dave Chinner > > wrote: > > > > > > > On Mon, Apr 28, 2014 at 04:29:02PM -0600, Bob Mastors wrote: > > > > > Greetings, > > > > > > > > > > I have an xfs umount hang caused by forcing the block device to > > return > > > > > i/o errors while copying files to the filesystem. > > > > > Detailed steps to reproduce the problem on virtualbox are below. > > > > > > > > > > The linux version is a recent pull and reports as 3.15.0-rc3. > > > > > > > > > > [ 2040.248096] INFO: task umount:10303 blocked for more than 120 > > seconds. > > > > > [ 2040.323947] Not tainted 3.15.0-rc3 #4 > > > > > [ 2040.343423] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" > > > > disables > > > > > this message. > > > > > [ 2040.352665] umount D ffffffff8180fe40 0 10303 8691 > > > > > 0x00000000 > > > > > [ 2040.404918] ffff88001e33dd58 0000000000000086 ffff88001e33dd48 > > > > > ffffffff81080f82 > > > > > [ 2040.489901] ffff88001b311900 0000000000013180 ffff88001e33dfd8 > > > > > 0000000000013180 > > > > > [ 2040.534772] ffff88003daa3200 ffff88001b311900 ffff88002421aec0 > > > > > ffff88002421ae80 > > > > > [ 2040.587450] Call Trace: > > > > > [ 2040.592176] [] ? try_to_wake_up+0x232/0x2b0 > > > > > [ 2040.620212] [] schedule+0x29/0x70 > > > > > [ 2040.627685] [] xfs_ail_push_all_sync+0x96/0xd0 > > > > [xfs] > > > > > [ 2040.632236] [] ? __wake_up_sync+0x20/0x20 > > > > > [ 2040.659105] [] xfs_unmountfs+0x63/0x160 [xfs] > > > > > [ 2040.691774] [] ? kmem_free+0x35/0x40 [xfs] > > > > > [ 2040.698610] [] xfs_fs_put_super+0x25/0x60 [xfs] > > > > > [ 2040.706838] [] > > generic_shutdown_super+0x7e/0x100 > > > > > [ 2040.723958] [] kill_block_super+0x30/0x80 > > > > > [ 2040.734963] [] > > deactivate_locked_super+0x4d/0x80 > > > > > [ 2040.745485] [] deactivate_super+0x4e/0x70 > > > > > [ 2040.751274] [] mntput_no_expire+0xd2/0x160 > > > > > [ 2040.755894] [] SyS_umount+0xaf/0x3b0 > > > > > [ 2040.761032] [] system_call_fastpath+0x16/0x1b > > > > > [ .060058] XFS (sdb): xfs_log_force: error 5 returned. > > > > > [ 268059] XFS (sdb): xfs_log_force: error 5 returned. > > > > > > > > > > I took a look at xfs_ail_push_all_sync and it is pretty easy to see > > > > > the hang. But it is not obvious to me how to fix it. > > > > > Any ideas would be appreciated. > > > > > > > > > > I am available to run additional tests or capture more logging > > > > > or whatever if that would help. > > > > > > > > What's the entire log output from the first shutdown message? > > > > So what is the AIL stuck on? Can you trace the xfs_ail* trace points > > when it is in shutdown like this and post the output of the report? > > > > > # tracer: function > # > # entries-in-buffer/entries-written: 32/32 #P:4 > # > # _-----=> irqs-off > # / _----=> need-resched > # | / _---=> hardirq/softirq > # || / _--=> preempt-depth > # ||| / delay > # TASK-PID CPU# |||| TIMESTAMP FUNCTION > # | | | |||| | | > umount-2995 [003] .... 1125.524090: xfs_unmountfs <-xfs_fs_put_super > umount-2995 [003] .... 1125.524099: xfs_ail_push_all_sync <-xfs_unmountfs > umount-2995 [003] .... 1125.527498: xfs_ail_push_all_sync <-xfs_log_quiesce > kswapd0-43 [002] .... 1148.078330: xfs_ail_push_all <-xfs_reclaim_inodes_nr > kswapd0-43 [002] .... 1148.078332: xfs_ail_push <-xfs_ail_push_all > xfsaild/sdb-3005 [002] .... 1148.128311: xfs_ail_min_lsn <-xfsaild > kswapd0-43 [001] .... 1149.971684: xfs_ail_push_all <-xfs_reclaim_inodes_nr > kswapd0-43 [001] .... 1149.971695: xfs_ail_push <-xfs_ail_push_all > xfsaild/sdb-3005 [003] .... 1150.023104: xfs_ail_min_lsn <-xfsaild > umount-3013 [000] .N.. 1153.035350: xfs_unmountfs <-xfs_fs_put_super > umount-3013 [000] .... 1153.093488: xfs_ail_push_all_sync <-xfs_unmountfs > umount-3013 [000] .... 1153.122459: xfs_ail_push_all_sync <-xfs_log_quiesce > kswapd0-43 [003] .... 1186.232408: xfs_ail_push_all <-xfs_reclaim_inodes_nr > kswapd0-43 [003] .... 1186.232411: xfs_ail_push <-xfs_ail_push_all > xfsaild/sdb-3035 [001] .... 1186.288258: xfs_ail_min_lsn <-xfsaild > umount-3043 [001] .... 1188.653981: xfs_unmountfs <-xfs_fs_put_super > umount-3043 [001] .... 1188.653991: xfs_ail_push_all_sync <-xfs_unmountfs > kworker/0:0-2865 [000] .... 1199.903174: xfs_ail_min_lsn <-xfs_log_need_covered > kworker/0:0-2865 [000] .... 1199.903179: xfs_ail_push_all <-xfs_log_worker > kworker/0:0-2865 [000] .... 1199.903180: xfs_ail_push <-xfs_ail_push_all > kworker/0:0-2865 [000] .... 1229.837372: xfs_ail_min_lsn <-xfs_log_need_covered > kworker/0:0-2865 [000] .... 1229.837377: xfs_ail_push_all <-xfs_log_worker > kworker/0:0-2865 [000] .... 1229.837378: xfs_ail_push <-xfs_ail_push_all > kworker/0:0-2865 [000] .... 1259.835355: xfs_ail_min_lsn <-xfs_log_need_covered > kworker/0:0-2865 [000] .... 1259.835360: xfs_ail_push_all <-xfs_log_worker > kworker/0:0-2865 [000] .... 1259.835360: xfs_ail_push <-xfs_ail_push_all > kworker/0:0-2865 [000] .... 1289.834315: xfs_ail_min_lsn <-xfs_log_need_covered > kworker/0:0-2865 [000] .... 1289.834320: xfs_ail_push_all <-xfs_log_worker > kworker/0:0-2865 [000] .... 1289.834321: xfs_ail_push <-xfs_ail_push_all > kworker/0:0-2865 [000] .... 1319.831564: xfs_ail_min_lsn <-xfs_log_need_covered > kworker/0:0-2865 [000] .... 1319.831569: xfs_ail_push_all <-xfs_log_worker > kworker/0:0-2865 [000] .... 1319.831570: xfs_ail_push <-xfs_ail_push_all > > The first two xfs_unmountfs in the above log worked fine, no hang. > The third one hung. Well, I guess I should been more specific. ftrace is pretty much useless here - we need the information taht is recorded by the events, not the timing of the events. # trace-cmd record -e xfs_ail* .... ^C .... # trace-cmd report version = 6 cpus=1 kworker/0:1H-1269 [000] 104529.901271: xfs_ail_insert: dev 253:16 lip 0x0xffff880017a4b740 old lsn 0/0 new lsn 1/20 type XFS_LI_BUF flags IN_AIL kworker/0:1H-1269 [000] 104529.901273: xfs_ail_insert: dev 253:16 lip 0x0xffff880017a4bbc8 old lsn 0/0 new lsn 1/20 type XFS_LI_BUF flags IN_AIL kworker/0:1H-1269 [000] 104529.901273: xfs_ail_insert: dev 253:16 lip 0x0xffff88001b6f8098 old lsn 0/0 new lsn 1/20 type XFS_LI_INODE flags IN_AIL kworker/0:1H-1269 [000] 104529.901274: xfs_ail_insert: dev 253:16 lip 0x0xffff880027600c80 old lsn 0/0 new lsn 1/20 type XFS_LI_EFI flags IN_AIL kworker/0:1H-1269 [000] 104529.901274: xfs_ail_insert: dev 253:16 lip 0x0xffff88001b6f81c8 old lsn 0/0 new lsn 1/20 type XFS_LI_INODE flags IN_AIL kworker/0:1H-1269 [000] 104529.901274: xfs_ail_insert: dev 253:16 lip 0x0xffff88001b6f8130 old lsn 0/0 new lsn 1/20 type XFS_LI_INODE flags IN_AIL kworker/0:1H-1269 [000] 104529.901274: xfs_ail_insert: dev 253:16 lip 0x0xffff880017a4b488 old lsn 0/0 new lsn 1/20 type XFS_LI_BUF flags IN_AIL kworker/0:1H-1269 [000] 104529.901275: xfs_ail_insert: dev 253:16 lip 0x0xffff880017a4bcb0 old lsn 0/0 new lsn 1/20 type XFS_LI_BUF flags IN_AIL kworker/0:1H-1269 [000] 104529.901275: xfs_ail_insert: dev 253:16 lip 0x0xffff880017a4b910 old lsn 0/0 new lsn 1/20 type XFS_LI_BUF flags IN_AIL kworker/0:1H-1269 [000] 104529.901275: xfs_ail_insert: dev 253:16 lip 0x0xffff88001b6f8000 old lsn 0/0 new lsn 1/20 type XFS_LI_INODE flags IN_AIL kworker/0:1H-1269 [000] 104529.901277: xfs_ail_delete: dev 253:16 lip 0x0xffff880027600c80 old lsn 1/20 new lsn 1/20 type XFS_LI_EFI flags IN_AIL xfsaild/vdb-14828 [000] 104529.901338: xfs_ail_push: dev 253:16 lip 0x0xffff88001b6f8000 lsn 1/20 type XFS_LI_INODE flags IN_AIL xfsaild/vdb-14828 [000] 104529.901339: xfs_ail_push: dev 253:16 lip 0x0xffff880017a4b910 lsn 1/20 type XFS_LI_BUF flags IN_AIL xfsaild/vdb-14828 [000] 104529.901339: xfs_ail_push: dev 253:16 lip 0x0xffff880017a4bcb0 lsn 1/20 type XFS_LI_BUF flags IN_AIL xfsaild/vdb-14828 [000] 104529.901340: xfs_ail_push: dev 253:16 lip 0x0xffff880017a4b488 lsn 1/20 type XFS_LI_BUF flags IN_AIL ..... > [ 240.930278] xfsaild/sdb D ffffffff8180fe40 0 5640 2 0x00000000 > [ 240.931408] ffff88003cd5dc58 0000000000000046 ffff88003cd5dc68 ffffffff81069029 > [ 240.933116] ffff88003cdc8000 0000000000013180 ffff88003cd5dfd8 0000000000013180 > [ 240.934655] ffff88003daa1900 ffff88003cdc8000 ffff88003cd5dc28 0000000000000011 > [ 240.936328] Call Trace: > [ 240.936862] [] ? flush_work+0x139/0x1e0 > [ 240.937755] [] schedule+0x29/0x70 > [ 240.938532] [] xlog_cil_force_lsn+0x192/0x200 [xfs] > [ 240.939452] [] ? try_to_wake_up+0x2b0/0x2b0 > [ 240.940366] [] _xfs_log_force+0x6d/0x2b0 [xfs] > [ 240.941302] [] xfs_log_force+0x39/0xc0 [xfs] > [ 240.942174] [] xfsaild+0x137/0x6e0 [xfs] > [ 240.943008] [] ? xfs_trans_ail_cursor_first+0xa0/0xa0 [xfs] > [ 240.944240] [] kthread+0xc9/0xe0 > [ 240.945001] [] ? flush_kthread_worker+0xb0/0xb0 > [ 240.945884] [] ret_from_fork+0x7c/0xb0 > [ 240.946696] [] ? flush_kthread_worker+0xb0/0xb0 Try the patch here: http://oss.sgi.com/pipermail/xfs/2014-April/035870.html Needs a minor fix to compile as noted here: http://oss.sgi.com/pipermail/xfs/2014-April/035878.html Cheers, Dave. -- Dave Chinner david@fromorbit.com From david@fromorbit.com Tue Apr 29 22:55:54 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 1860729DF8 for ; Tue, 29 Apr 2014 22:55:54 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id EC7258F8035 for ; Tue, 29 Apr 2014 20:55:53 -0700 (PDT) X-ASG-Debug-ID: 1398830151-04cb6c728f17aa30001-NocioJ Received: from ipmail06.adl2.internode.on.net (ipmail06.adl2.internode.on.net [150.101.137.129]) by cuda.sgi.com with ESMTP id NjYMkycp5oAcmGTv for ; Tue, 29 Apr 2014 20:55:51 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Apparent-Source-IP: 150.101.137.129 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AqRVAN9zYFN5LEcvPGdsb2JhbABZgwaDPIUKo0UBAQEBAQWUF4VggSAXAwEBAQE4NYIlAQEFJxMcIxAIAw4HAwklDwUlAwcaE4hAyhsXFoU/iHoHgySBFQSZD5YnK4EuJA Received: from ppp121-44-71-47.lns20.syd6.internode.on.net (HELO dastard) ([121.44.71.47]) by ipmail06.adl2.internode.on.net with ESMTP; 30 Apr 2014 13:25:50 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1WfLcZ-0000v7-UE; Wed, 30 Apr 2014 13:55:47 +1000 Date: Wed, 30 Apr 2014 13:55:47 +1000 From: Dave Chinner To: Brian Foster Cc: xfs@oss.sgi.com Subject: Re: [PATCH 9/9] repair: detect and handle attribute tree CRC errors Message-ID: <20140430035547.GB32204@dastard> X-ASG-Orig-Subj: Re: [PATCH 9/9] repair: detect and handle attribute tree CRC errors References: <1398719099-19194-1-git-send-email-david@fromorbit.com> <1398719099-19194-10-git-send-email-david@fromorbit.com> <20140429140651.GE59046@bfoster.bfoster> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140429140651.GE59046@bfoster.bfoster> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail06.adl2.internode.on.net[150.101.137.129] X-Barracuda-Start-Time: 1398830151 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5380 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Tue, Apr 29, 2014 at 10:06:51AM -0400, Brian Foster wrote: > On Tue, Apr 29, 2014 at 07:04:59AM +1000, Dave Chinner wrote: > > From: Dave Chinner > > > > Currently the attribute code will not detect and correct errors in > > the attribute tree. It also fails to validate the CRCs and headers > > on remote attribute blocks. Ensure that all the attribute blocks are > > CRC checked and that the processing functions understand the correct > > block formats for decoding. > > > > Signed-off-by: Dave Chinner > > --- > > repair/attr_repair.c | 45 +++++++++++++++++++++++++++++++++++++-------- > > 1 file changed, 37 insertions(+), 8 deletions(-) > > > > diff --git a/repair/attr_repair.c b/repair/attr_repair.c > > index ba85ac2..9b57960 100644 > > --- a/repair/attr_repair.c > > +++ b/repair/attr_repair.c > > @@ -604,6 +604,7 @@ verify_da_path(xfs_mount_t *mp, > > libxfs_putbuf(bp); > > return(1); > > } > > + > > /* > > * update cursor, write out the *current* level if > > * required. don't write out the descendant level > > @@ -615,6 +616,8 @@ verify_da_path(xfs_mount_t *mp, > > libxfs_writebuf(cursor->level[this_level].bp, 0); > > else > > libxfs_putbuf(cursor->level[this_level].bp); > > + > > + /* switch cursor to point at the new buffer we just read */ > > cursor->level[this_level].bp = bp; > > cursor->level[this_level].dirty = 0; > > cursor->level[this_level].bno = dabno; > > @@ -624,6 +627,14 @@ verify_da_path(xfs_mount_t *mp, > > cursor->level[this_level].n = newnode; > > #endif > > entry = cursor->level[this_level].index = 0; > > + > > + /* > > + * We want to rewrite the buffer a CRC error seeing as it > Nit: ^ "on a CRC error ..." ? Will fix. > > @@ -1555,7 +1584,7 @@ process_longform_attr( > > case XFS_DA_NODE_MAGIC: /* btree-form attribute */ > > case XFS_DA3_NODE_MAGIC: > > /* must do this now, to release block 0 before the traversal */ > > - if (repairlinks) { > > + if (*repair || repairlinks) { > > *repair = 1; > > libxfs_writebuf(bp, 0); > > } else > > repairlinks incorporates a !no_modify check, but *repair does not. It's > incremented unconditionally if we find a CRC error. I suspect this means > we now need a !no_modify check for the writebuf/putbuf check here, as is > done in the alternate path at the end of the function. I'll fix it. Christoph is right, we need a helper function for this. Thanks! Cheers, Dave. -- Dave Chinner david@fromorbit.com From benbi@server1.cbinetwhm.bi Wed Apr 30 02:16:32 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=FREEMAIL_FROM,LOTS_OF_MONEY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 805EF7F37 for ; Wed, 30 Apr 2014 02:16:32 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 1BD42AC006 for ; Wed, 30 Apr 2014 00:16:28 -0700 (PDT) X-ASG-Debug-ID: 1398842184-04cbb03cc4183840001-NocioJ Received: from server1.cbinetwhm.bi (server1.cbinetwhm.bi [196.2.13.50]) by cuda.sgi.com with ESMTP id sWP14uaOSNM8PPXK (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Wed, 30 Apr 2014 00:16:26 -0700 (PDT) X-Barracuda-Envelope-From: benbi@server1.cbinetwhm.bi X-Barracuda-Apparent-Source-IP: 196.2.13.50 Received: from benbi by server1.cbinetwhm.bi with local (Exim 4.82) (envelope-from ) id 1WfOkg-0007gc-9f for xfs@oss.sgi.com; Wed, 30 Apr 2014 09:16:22 +0200 To: xfs@oss.sgi.com Subject: Attention Required X-PHP-Script: server1.cbinetwhm.bi/~benbi/mailer.php for 41.190.90.48, 41.79.226.26 X-ASG-Orig-Subj: Attention Required From: Ms.Akifa Khaled Nyuot Reply-To: akifa.khaled@gmail.com MIME-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 8bit Message-Id: Date: Wed, 30 Apr 2014 09:16:22 +0200 X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - server1.cbinetwhm.bi X-AntiAbuse: Original Domain - oss.sgi.com X-AntiAbuse: Originator/Caller UID/GID - [525 536] / [47 12] X-AntiAbuse: Sender Address Domain - server1.cbinetwhm.bi X-Get-Message-Sender-Via: server1.cbinetwhm.bi: authenticated_id: benbi/only user confirmed/virtual account not confirmed X-Barracuda-Connect: server1.cbinetwhm.bi[196.2.13.50] X-Barracuda-Start-Time: 1398842186 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5384 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- Have a good day! It is with a deep sense of need that I am compelled to contact you. Following the aftermath of December 17th 2013 conflict in my town of Jonglei state, south Sudan, my uncle (Mr. Hussein Maar Nyuot) the then acting governor of Jonglei State handed us (I and my two siblings) to Rev. Fr. Philips Polson, a missionary attaché with a humanitarian organization named, (GoodWill Foundation Outreach) who was at Sudan for humanitarian reason as a result of the ongoing conflict. The next few days saw us through a journey that ended where I am writing from, Accra the capital city of Ghana in the West African region. After arrival the past three months plus, we have been under the refuge of this organization, who has given us accommodation and been making all effort to settle us into the community. Within the sixth week of arrival, Rev. Fr. Polson invited me for a chat in his office and there he handed some documents over to me on which examining them, there contained some filled and signed documents and agreement for the safe keeping of valuables with a company at Amsterdam - the Netherlands, I have since then through the assistance of the Rev. Fr. Polson, spoken with my father's attorney at Amsterdsam who oversee the agreement and it has been disclosed to me that my father, Mr. Khaled Nyuot deposited in a security vault the sum of Three million, seven hundred and Fifty thousand Euros which he gave conditions before we could claim. Based on the conditions, I am making contact with you as a reliable person who will be committed to channel this money towards a profitable investment to enable I and my two siblings the best education in whichever part of the world and guarantee us the achievement of our respective goals towards a good life. My name is Akifa Khaled Nyuot, 19years of age. Write back to me for further details if you know and believe that you understand the predicament we have gone through and with a good intention for our well-being and future. Sincerely, Ms. Akifa Khaled Nyuot akifa.khaled@gmail.com +233 240523175 or contact me through Rev. Polson helpline@gwfo.org From namjae.jeon@samsung.com Wed Apr 30 05:11:39 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.1 required=5.0 tests=HDRS_LCASE,T_MANY_HDRS_LCASE autolearn=no version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id B590D7F37 for ; Wed, 30 Apr 2014 05:11:39 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 9B12B8F8033 for ; Wed, 30 Apr 2014 03:11:36 -0700 (PDT) X-ASG-Debug-ID: 1398852693-04cb6c729018db50001-NocioJ Received: from mailout2.samsung.com (mailout2.samsung.com [203.254.224.25]) by cuda.sgi.com with ESMTP id A2aFXN3T2FMEpQtD (version=TLSv1 cipher=RC4-MD5 bits=128 verify=NO) for ; Wed, 30 Apr 2014 03:11:35 -0700 (PDT) X-Barracuda-Envelope-From: namjae.jeon@samsung.com X-Barracuda-Apparent-Source-IP: 203.254.224.25 X-Barracuda-IPDD: Level2 [samsung.com/203.254.224.25] Received: from epcpsbgr5.samsung.com (u145.gpu120.samsung.co.kr [203.254.230.145]) by mailout2.samsung.com (Oracle Communications Messaging Server 7u4-24.01 (7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTP id <0N4U0004C9N8GG20@mailout2.samsung.com> for xfs@oss.sgi.com; Wed, 30 Apr 2014 19:11:32 +0900 (KST) X-Barracuda-IPDD: Level2 [samsung.com/203.254.224.25] X-Barracuda-IPDD: Level2 [samsung.com/203.254.224.25] X-Barracuda-IPDD: Level2 [samsung.com/203.254.224.25] X-Barracuda-IPDD: Level2 [samsung.com/203.254.224.25] X-Barracuda-IPDD: Level2 [samsung.com/203.254.224.25] X-Barracuda-IPDD: Level2 [samsung.com/203.254.224.25] Received: from epcpsbgm1.samsung.com ( [172.20.52.116]) by epcpsbgr5.samsung.com (EPCPMTA) with SMTP id CC.DC.11496.45CC0635; Wed, 30 Apr 2014 19:11:32 +0900 (KST) X-AuditID: cbfee691-b7f3e6d000002ce8-ad-5360cc54b23c Received: from epmmp1.local.host ( [203.254.227.16]) by epcpsbgm1.samsung.com (EPCPMTA) with SMTP id D7.F0.27725.45CC0635; Wed, 30 Apr 2014 19:11:32 +0900 (KST) Received: from DONAMJAEJEO06 ([10.88.104.63]) by mmp1.samsung.com (Oracle Communications Messaging Server 7u4-24.01 (7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTPA id <0N4U003XH9N8GP20@mmp1.samsung.com>; Wed, 30 Apr 2014 19:11:32 +0900 (KST) From: Namjae Jeon To: Dave Chinner Cc: xfs@oss.sgi.com, linux-fsdevel@vger.kernel.org, Ashish Sangwan Subject: [PATCH] xfstests: fsstress: fix incorrect if condition check for collapse range mode Date: Wed, 30 Apr 2014 19:11:32 +0900 X-ASG-Orig-Subj: [PATCH] xfstests: fsstress: fix incorrect if condition check for collapse range mode Message-id: <004401cf645c$8f874710$ae95d530$@samsung.com> MIME-version: 1.0 Content-type: text/plain; charset=us-ascii Content-transfer-encoding: 7bit X-Mailer: Microsoft Outlook 14.0 Thread-index: Ac9kXGwbfKXrrR/LS5WP9gsPC4DCVQ== Content-language: ko X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFtrCIsWRmVeSWpSXmKPExsWyRsSkRDfkTEKwwZyDxhZLJ15itthy7B6j xZ69J1ksFvXdYnRg8Ti1SMJj9YWtjB59W1YxenzeJBfAEsVlk5Kak1mWWqRvl8CVcWDPPfaC yewVU//NZmlgvMXaxcjJISFgIvHiyGsWCFtM4sK99WxdjFwcQgJLGSV6/k1hgyn6cmsLK0Ri EaPErU0LGCGcv4wS3dvPA2U4ONgEtCX+bBEFaRARUJOYNGkHM0iYWSBG4kODJUhYWCBeYvfD PkYQm0VAVWL9+jNgi3kFLCV61q9jhLAFJX5MvgcWZxbQkli/8zgThC0vsXnNW2aIexQkdpx9 zQixSk9i/dVXUDUiEvtevAM7TUJgE7vE4om9zBDLBCS+TT7EAnKPhICsxKYDUHMkJQ6uuMEy gVFsFpLVs5CsnoVk9SwkKxYwsqxiFE0tSC4oTkovMtUrTswtLs1L10vOz93ECIyx0/+eTdzB eP+A9SHGZKD1E5mlRJPzgTGaVxJvaGxmZGFqYmpsZG5pRpqwkjhv+qOkICGB9MSS1OzU1ILU ovii0pzU4kOMTBycUg2MvDd9GitOyTxy+jLhZeHfU1vsa6bPi1MT07KeUh+pOoPLhrOllXGh h1FVVZH4ro8btnZPNfgwP2+JCntci9tl+9nzNP9PrQngntT2/8xcl5N7je2utfUcteg/0vbr jPaeq0LCOdlfr79b+ds/cN3xOZPP9Kr/rd1a2dz7amfHV8nbrzUWmultV2Ipzkg01GIuKk4E AGF8oNzHAgAA X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFprIKsWRmVeSWpSXmKPExsVy+t9jAd2QMwnBBl8W61gsnXiJ2WLLsXuM Fnv2nmSxWNR3i9GBxePUIgmP1Re2Mnr0bVnF6PF5k1wAS1QDo01GamJKapFCal5yfkpmXrqt kndwvHO8qZmBoa6hpYW5kkJeYm6qrZKLT4CuW2YO0EolhbLEnFKgUEBicbGSvh2mCaEhbroW MI0Rur4hQXA9RgZoIGENY8aBPffYCyazV0z9N5ulgfEWaxcjJ4eEgInEl1tboGwxiQv31rN1 MXJxCAksYpS4tWkBI4Tzl1Gie/t5oCoODjYBbYk/W0RBGkQE1CQmTdrBDBJmFoiR+NBgCRIW FoiX2P2wjxHEZhFQlVi//gwLiM0rYCnRs34dI4QtKPFj8j2wOLOAlsT6nceZIGx5ic1r3jJD 3KMgsePsa0aIVXoS66++gqoRkdj34h3jBEaBWUhGzUIyahaSUbOQtCxgZFnFKJpakFxQnJSe a6hXnJhbXJqXrpecn7uJERzBz6R2MK5ssDjEKMDBqMTDK7A1PliINbGsuDL3EKMEB7OSCO+c ownBQrwpiZVVqUX58UWlOanFhxiTgT6dyCwlmpwPTC55JfGGxiZmRpZG5oYWRsbmpAkrifMe aLUOFBJITyxJzU5NLUgtgtnCxMEp1cDINM/FODNrjXiZ0vMQFbm4Rc6PX2x68KpgjvW8npcP Tpwsk+k4p228svBBEePrD3NPWufFOpw8J7d73Z/EHa78hbNnv+58on/jdl687KQPZ4Lqzrfc zrJ94+jv2N6e8jpMxSr/wtbVb3iSNKy2+LMbPzKzVT18w6Ne5cjzhYndu7MKTzNsLW9RYinO SDTUYi4qTgQAbQGi4iQDAAA= DLP-Filter: Pass X-MTR: 20000000000000000@CPGS X-CFilter-Loop: Reflected X-Barracuda-Connect: mailout2.samsung.com[203.254.224.25] X-Barracuda-Start-Time: 1398852694 X-Barracuda-Encrypted: RC4-MD5 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 There is if condition to be block aligned for off and len of Collapse range. But off and len for all fallocate opearion can be aligned by incorrect if condition check. Signed-off-by: Namjae Jeon Signed-off-by: Ashish Sangwan --- ltp/fsstress.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/ltp/fsstress.c b/ltp/fsstress.c index 29fc250..ff9ed12 100644 --- a/ltp/fsstress.c +++ b/ltp/fsstress.c @@ -2230,7 +2230,7 @@ do_fallocate(int opno, long r, int mode) * Collapse range requires off and len to be block aligned, make it * more likely to be the case. */ - if (FALLOC_FL_COLLAPSE_RANGE && (opno % 2)) { + if (mode & FALLOC_FL_COLLAPSE_RANGE && (opno % 2)) { off = ((off + stb.st_blksize - 1) & ~(stb.st_blksize - 1)); len = ((len + stb.st_blksize - 1) & ~(stb.st_blksize - 1)); } -- 1.7.11-rc0 From lczerner@redhat.com Wed Apr 30 05:26:23 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 1C4BF29DF8 for ; Wed, 30 Apr 2014 05:26:23 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id A3B8CAC009 for ; Wed, 30 Apr 2014 03:26:19 -0700 (PDT) X-ASG-Debug-ID: 1398853578-04cb6c728f18e890001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id ggB8A4Orw3EKptpo for ; Wed, 30 Apr 2014 03:26:18 -0700 (PDT) X-Barracuda-Envelope-From: lczerner@redhat.com X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx01.intmail.prod.int.phx2.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3UAQGC0028110 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Wed, 30 Apr 2014 06:26:16 -0400 Received: from dhcp-1-131.brq.redhat.com (dhcp-1-131.brq.redhat.com [10.34.1.131]) by int-mx01.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id s3UAQDxU025523 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Wed, 30 Apr 2014 06:26:15 -0400 Date: Wed, 30 Apr 2014 12:26:13 +0200 (CEST) From: =?ISO-8859-15?Q?Luk=E1=A8_Czerner?= X-X-Sender: lczerner@localhost.localdomain To: Namjae Jeon cc: Dave Chinner , xfs@oss.sgi.com, linux-fsdevel@vger.kernel.org, Ashish Sangwan Subject: Re: [PATCH] xfstests: fsstress: fix incorrect if condition check for collapse range mode In-Reply-To: <004401cf645c$8f874710$ae95d530$@samsung.com> X-ASG-Orig-Subj: Re: [PATCH] xfstests: fsstress: fix incorrect if condition check for collapse range mode Message-ID: References: <004401cf645c$8f874710$ae95d530$@samsung.com> User-Agent: Alpine 2.00 (LFD 1167 2008-08-23) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII X-Scanned-By: MIMEDefang 2.67 on 10.5.11.11 X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1398853578 X-Barracuda-URL: http://192.48.176.15:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Wed, 30 Apr 2014, Namjae Jeon wrote: > Date: Wed, 30 Apr 2014 19:11:32 +0900 > From: Namjae Jeon > To: Dave Chinner > Cc: xfs@oss.sgi.com, linux-fsdevel@vger.kernel.org, > Ashish Sangwan > Subject: [PATCH] xfstests: fsstress: fix incorrect if condition check for > collapse range mode > > There is if condition to be block aligned for off and len of Collapse range. > But off and len for all fallocate opearion can be aligned by incorrect > if condition check. > > Signed-off-by: Namjae Jeon > Signed-off-by: Ashish Sangwan > --- > ltp/fsstress.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/ltp/fsstress.c b/ltp/fsstress.c > index 29fc250..ff9ed12 100644 > --- a/ltp/fsstress.c > +++ b/ltp/fsstress.c > @@ -2230,7 +2230,7 @@ do_fallocate(int opno, long r, int mode) > * Collapse range requires off and len to be block aligned, make it > * more likely to be the case. > */ > - if (FALLOC_FL_COLLAPSE_RANGE && (opno % 2)) { > + if (mode & FALLOC_FL_COLLAPSE_RANGE && (opno % 2)) { > off = ((off + stb.st_blksize - 1) & ~(stb.st_blksize - 1)); > len = ((len + stb.st_blksize - 1) & ~(stb.st_blksize - 1)); > } oops :). Thanks for fixing it. Even though it would be better to use parentheses + if ((mode & FALLOC_FL_COLLAPSE_RANGE) && (opno % 2)) { Reviewed-by: Lukas Czerner From namjae.jeon@samsung.com Wed Apr 30 05:33:35 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id F022E29DF8 for ; Wed, 30 Apr 2014 05:33:35 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id C522F30406A for ; Wed, 30 Apr 2014 03:33:32 -0700 (PDT) X-ASG-Debug-ID: 1398854008-04bdf02b8b194580001-NocioJ Received: from mailout1.samsung.com (mailout1.samsung.com [203.254.224.24]) by cuda.sgi.com with ESMTP id 4I8lKL91DqVRv0b1 (version=TLSv1 cipher=RC4-MD5 bits=128 verify=NO) for ; Wed, 30 Apr 2014 03:33:31 -0700 (PDT) X-Barracuda-Envelope-From: namjae.jeon@samsung.com X-Barracuda-Apparent-Source-IP: 203.254.224.24 X-Barracuda-IPDD: Level2 [samsung.com/203.254.224.24] Received: from epcpsbgr3.samsung.com (u143.gpu120.samsung.co.kr [203.254.230.143]) by mailout1.samsung.com (Oracle Communications Messaging Server 7u4-24.01 (7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTP id <0N4U00D31ANFQU80@mailout1.samsung.com> for xfs@oss.sgi.com; 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charset=iso-8859-2 Content-transfer-encoding: 7bit X-Mailer: Microsoft Outlook 14.0 Thread-index: AQFL8FRQV/1ByKD/Hmc7SCYcTilluQFQgstanCZaJkA= Content-language: ko X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFrrEIsWRmVeSWpSXmKPExsWyRsSkSDf7YkKwwcrjPBZLJ15itthy7B6j xbIHm1ks9uw9yWKxqO8WowOrx6lFEh6rL2xl9Hi/7yqbR9+WVYwenzfJBbBGcdmkpOZklqUW 6dslcGWs+ZBb8Ien4ss2+QbGiVxdjJwcEgImElMXX2aHsMUkLtxbz9bFyMUhJLCUUeLRh9ts MEWvNzxlhUhMZ5R4frsfyvnLKDHlcB9LFyMHB5uAtsSfLaIgDSICdhJz57QwgdQwC7QwShxs 3Aa2QkigTOL1hwVg9ZwC7hKv55qDmMICyRKHPvqAVLAIqEqsePsZbC+vgKXEmt5/TBC2oMSP yffAOpkFdCS+TooACTMLyEtsXvOWGeJMBYkdZ18zQlxgJbH75R4miBoRiX0v3jGCXCMhcI9d 4uPhFewQuwQkvk0+BDZTQkBWYtMBqDmSEgdX3GCZwCgxC8nmWQibZyHZPAvJhgWMLKsYRVML kguKk9KLjPWKE3OLS/PS9ZLzczcxAuPz9L9n/TsY7x6wPsSYDLR9IrOUaHI+ML7zSuINjc2M LExNTI2NzC3NSBNWEue9/zApSEggPbEkNTs1tSC1KL6oNCe1+BAjEwenVAPjgdiowMdtS8wu ul89eWWfz6TGb5arPaPyOtYr/6xKuef99Gnr23/CjWvfbOR9tJCV59qvt8y2klLuG2Rj1ecF +CzdVVtUcD1TOF72lblNwh+VZerpwaIrq2btDb8Wvfi/p8vcZo1nMdHTDf6ukL2U2i/I0T57 +gRt1Rr/1M3PJh9d/7YlYbe7EktxRqKhFnNRcSIAoLBmVeUCAAA= X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFlrPKsWRmVeSWpSXmKPExsVy+t9jQd3siwnBBrd/sFgsnXiJ2WLLsXuM FssebGax2LP3JIvFor5bjA6sHqcWSXisvrCV0eP9vqtsHn1bVjF6fN4kF8Aa1cBok5GamJJa pJCal5yfkpmXbqvkHRzvHG9qZmCoa2hpYa6kkJeYm2qr5OIToOuWmQO0XEmhLDGnFCgUkFhc rKRvh2lCaIibrgVMY4Sub0gQXI+RARpIWMOYseZDbsEfnoov2+QbGCdydTFyckgImEi83vCU FcIWk7hwbz1bFyMXh5DAdEaJ57f7WSGcv4wSUw73sXQxcnCwCWhL/NkiCtIgImAnMXdOCxNI DbNAC6PEwcZt7CAJIYEyidcfFoDVcwq4S7yeaw5iCgskSxz66ANSwSKgKrHi7Wc2EJtXwFJi Te8/JghbUOLH5HtgncwCOhJfJ0WAhJkF5CU2r3nLDHGmgsSOs68ZIS6wktj9cg8TRI2IxL4X 7xgnMArNQjJpFsKkWUgmzULSsYCRZRWjaGpBckFxUnqukV5xYm5xaV66XnJ+7iZGcPQ/k97B uKrB4hCjAAejEg+vwNb4YCHWxLLiytxDjBIczEoivHOOJgQL8aYkVlalFuXHF5XmpBYfYkwG +nMis5Rocj4wMeWVxBsam5gZWRqZG1oYGZuTJqwkznuw1TpQSCA9sSQ1OzW1ILUIZgsTB6dU A2PGtlX3zaQ6Ln3s8V/52/PN86JJ6997P9tw44j/WoYJMetvnVc9Ht2h9l0jIyFB89/8KVzT m3SKLZwOPc1IlwzZsqI/e8Xi2+lvVHg254Wt5A0zbG+8eGdSm9/LY7niR1yWFfwL2p6ymO90 4XrmHye0LywyeJB4aMuBtZrlD6ZlSKmsP39cbeEfJZbijERDLeai4kQAZ8CHNUIDAAA= DLP-Filter: Pass X-MTR: 20000000000000000@CPGS X-CFilter-Loop: Reflected X-Barracuda-Connect: mailout1.samsung.com[203.254.224.24] X-Barracuda-Start-Time: 1398854010 X-Barracuda-Encrypted: RC4-MD5 X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 > On Wed, 30 Apr 2014, Namjae Jeon wrote: > > > Date: Wed, 30 Apr 2014 19:11:32 +0900 > > From: Namjae Jeon > > To: Dave Chinner > > Cc: xfs@oss.sgi.com, linux-fsdevel@vger.kernel.org, > > Ashish Sangwan > > Subject: [PATCH] xfstests: fsstress: fix incorrect if condition check for > > collapse range mode > > > > There is if condition to be block aligned for off and len of Collapse range. > > But off and len for all fallocate opearion can be aligned by incorrect > > if condition check. > > > > Signed-off-by: Namjae Jeon > > Signed-off-by: Ashish Sangwan > > --- > > ltp/fsstress.c | 2 +- > > 1 file changed, 1 insertion(+), 1 deletion(-) > > > > diff --git a/ltp/fsstress.c b/ltp/fsstress.c > > index 29fc250..ff9ed12 100644 > > --- a/ltp/fsstress.c > > +++ b/ltp/fsstress.c > > @@ -2230,7 +2230,7 @@ do_fallocate(int opno, long r, int mode) > > * Collapse range requires off and len to be block aligned, make it > > * more likely to be the case. > > */ > > - if (FALLOC_FL_COLLAPSE_RANGE && (opno % 2)) { > > + if (mode & FALLOC_FL_COLLAPSE_RANGE && (opno % 2)) { > > off = ((off + stb.st_blksize - 1) & ~(stb.st_blksize - 1)); > > len = ((len + stb.st_blksize - 1) & ~(stb.st_blksize - 1)); > > } > > oops :). Thanks for fixing it. Even though it would be better to use > parentheses Hi Lukas. Okay, I will send v2 patch. Thanks for review! > > + if ((mode & FALLOC_FL_COLLAPSE_RANGE) && (opno % 2)) { > > Reviewed-by: Lukas Czerner From namjae.jeon@samsung.com Wed Apr 30 05:35:16 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.1 required=5.0 tests=HDRS_LCASE,T_MANY_HDRS_LCASE autolearn=no version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id E32A229DF8 for ; Wed, 30 Apr 2014 05:35:15 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 6F012AC006 for ; Wed, 30 Apr 2014 03:35:15 -0700 (PDT) X-ASG-Debug-ID: 1398854111-04cbb03cc718dd50001-NocioJ Received: from mailout3.samsung.com (mailout3.samsung.com [203.254.224.33]) by cuda.sgi.com with ESMTP id mpo0EFWK8wDkJcyT (version=TLSv1 cipher=RC4-MD5 bits=128 verify=NO) for ; Wed, 30 Apr 2014 03:35:13 -0700 (PDT) X-Barracuda-Envelope-From: namjae.jeon@samsung.com X-Barracuda-Apparent-Source-IP: 203.254.224.33 Received: from epcpsbgr1.samsung.com (u141.gpu120.samsung.co.kr [203.254.230.141]) by mailout3.samsung.com (Oracle Communications Messaging Server 7u4-24.01 (7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTP id <0N4U00A7FAQNAV00@mailout3.samsung.com> for xfs@oss.sgi.com; Wed, 30 Apr 2014 19:35:11 +0900 (KST) Received: from epcpsbgm2.samsung.com ( [172.20.52.115]) by epcpsbgr1.samsung.com (EPCPMTA) with SMTP id D9.B6.18501.FD1D0635; Wed, 30 Apr 2014 19:35:11 +0900 (KST) X-AuditID: cbfee68d-b7f4e6d000004845-e5-5360d1df44ea Received: from epmmp1.local.host ( [203.254.227.16]) by epcpsbgm2.samsung.com (EPCPMTA) with SMTP id 1F.91.25708.FD1D0635; Wed, 30 Apr 2014 19:35:11 +0900 (KST) Received: from DONAMJAEJEO06 ([10.88.104.63]) by mmp1.samsung.com (Oracle Communications Messaging Server 7u4-24.01 (7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTPA id <0N4U003JHAQNGP50@mmp1.samsung.com>; Wed, 30 Apr 2014 19:35:11 +0900 (KST) From: Namjae Jeon To: Dave Chinner Cc: xfs@oss.sgi.com, linux-fsdevel@vger.kernel.org, =?iso-8859-2?Q?Luk=E1=B9_Czerner?= , Ashish Sangwan Subject: [PATCH v2] xfstests: fsstress: fix incorrect if condition check for collapse range mode Date: Wed, 30 Apr 2014 19:35:11 +0900 X-ASG-Orig-Subj: [PATCH v2] xfstests: fsstress: fix incorrect if condition check for collapse range mode Message-id: <004601cf645f$dd216de0$976449a0$@samsung.com> MIME-version: 1.0 Content-type: text/plain; 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But off and len for all fallocate opearion can be aligned by incorrect if condition check. Signed-off-by: Namjae Jeon Signed-off-by: Ashish Sangwan Reviewed-by: Lukas Czerner --- ltp/fsstress.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/ltp/fsstress.c b/ltp/fsstress.c index 29fc250..ff9ed12 100644 --- a/ltp/fsstress.c +++ b/ltp/fsstress.c @@ -2230,7 +2230,7 @@ do_fallocate(int opno, long r, int mode) * Collapse range requires off and len to be block aligned, make it * more likely to be the case. */ - if (FALLOC_FL_COLLAPSE_RANGE && (opno % 2)) { + if ((mode & FALLOC_FL_COLLAPSE_RANGE) && (opno % 2)) { off = ((off + stb.st_blksize - 1) & ~(stb.st_blksize - 1)); len = ((len + stb.st_blksize - 1) & ~(stb.st_blksize - 1)); } -- 1.7.11-rc0 From namjae.jeon@samsung.com Wed Apr 30 05:43:51 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 1A19829DF8 for ; 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Wed, 30 Apr 2014 19:43:46 +0900 (KST) X-AuditID: cbfee690-b7fcd6d0000026e0-46-5360d3e1194c Received: from epmmp2 ( [203.254.227.17]) by epcpsbgm2.samsung.com (EPCPMTA) with SMTP id C0.93.25708.1E3D0635; Wed, 30 Apr 2014 19:43:45 +0900 (KST) Received: from DONAMJAEJEO06 ([10.88.104.63]) by mmp2.samsung.com (Oracle Communications Messaging Server 7u4-24.01 (7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTPA id <0N4U008HDB4XAI90@mmp2.samsung.com>; Wed, 30 Apr 2014 19:43:45 +0900 (KST) From: Namjae Jeon To: =?iso-8859-2?Q?'Luk=E1=B9_Czerner'?= Cc: 'Dave Chinner' , xfs@oss.sgi.com, linux-fsdevel@vger.kernel.org, 'Ashish Sangwan' References: <004401cf645c$8f874710$ae95d530$@samsung.com> In-reply-to: Subject: RE: [PATCH] xfstests: fsstress: fix incorrect if condition check for collapse range mode Date: Wed, 30 Apr 2014 19:43:45 +0900 X-ASG-Orig-Subj: RE: [PATCH] xfstests: fsstress: fix incorrect if condition check for collapse range mode Message-id: <004701cf6461$0fdab330$2f901990$@samsung.com> MIME-version: 1.0 Content-type: text/plain; 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> > len = ((len + stb.st_blksize - 1) & ~(stb.st_blksize - 1)); > > } > > oops :). Thanks for fixing it. Even though it would be better to use > parentheses Hi Lukas. Okay, I will send v2 patch. Thanks for review! > > + if ((mode & FALLOC_FL_COLLAPSE_RANGE) && (opno % 2)) { > > Reviewed-by: Lukas Czerner From BATV+b866e36709fcd56311b1+3902+infradead.org+hch@bombadil.srs.infradead.org Wed Apr 30 07:02:18 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id D735829DF8 for ; Wed, 30 Apr 2014 07:02:18 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 7610AAC010 for ; Wed, 30 Apr 2014 05:02:15 -0700 (PDT) X-ASG-Debug-ID: 1398859333-04cbb03cc71962e0001-NocioJ Received: from bombadil.infradead.org ([198.137.202.9]) by cuda.sgi.com with ESMTP id OHNFJpW3zbsOfhlv (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Wed, 30 Apr 2014 05:02:13 -0700 (PDT) X-Barracuda-Envelope-From: BATV+b866e36709fcd56311b1+3902+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.80.1 #2 (Red Hat Linux)) id 1WfTDJ-0006JV-7d; Wed, 30 Apr 2014 12:02:13 +0000 Date: Wed, 30 Apr 2014 05:02:13 -0700 From: Christoph Hellwig To: Brian Foster Cc: xfs@oss.sgi.com Subject: Re: [PATCH v2 1/2] xfs: fix tmpfile/selinux deadlock and initialize security/acl Message-ID: <20140430120213.GA19963@infradead.org> X-ASG-Orig-Subj: Re: [PATCH v2 1/2] xfs: fix tmpfile/selinux deadlock and initialize security/acl References: <1397071311-28371-1-git-send-email-bfoster@redhat.com> <1397071311-28371-2-git-send-email-bfoster@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1397071311-28371-2-git-send-email-bfoster@redhat.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html X-Barracuda-Connect: UNKNOWN[198.137.202.9] X-Barracuda-Start-Time: 1398859333 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.10 X-Barracuda-Spam-Status: No, SCORE=0.10 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=RDNS_NONE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5391 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.10 RDNS_NONE Delivered to trusted network by a host with no rDNS Looks like I have lost the the argument on the ACLs. Do you want to resend a version of this rebased to the current tree, or should I do it? We probably should get this into 3.15 so that our tmpfile doesn't behave different from everyone else in the release where we introduce it. From tinguely@eagdhcp-232-128.americas.sgi.com Wed Apr 30 09:02:19 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=RP_MATCHES_RCVD autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id EA64029DF9 for ; Wed, 30 Apr 2014 09:02:18 -0500 (CDT) Received: from eagdhcp-232-128.americas.sgi.com (eagdhcp-232-128.americas.sgi.com [128.162.232.128]) by relay3.corp.sgi.com (Postfix) with ESMTP id 81408AC008 for ; Wed, 30 Apr 2014 07:02:15 -0700 (PDT) Received: from eagdhcp-232-128.americas.sgi.com (localhost [127.0.0.1]) by eagdhcp-232-128.americas.sgi.com (8.14.5/8.14.5) with ESMTP id s3UE2DZ4007720 for ; Wed, 30 Apr 2014 09:02:13 -0500 (CDT) (envelope-from tinguely@eagdhcp-232-128.americas.sgi.com) Received: (from tinguely@localhost) by eagdhcp-232-128.americas.sgi.com (8.14.5/8.14.5/Submit) id s3UE2DPe007719; Wed, 30 Apr 2014 09:02:13 -0500 (CDT) (envelope-from tinguely) Message-Id: <20140430134844.924376330@sgi.com> User-Agent: quilt/0.47-15.17.1 Date: Wed, 30 Apr 2014 08:48:44 -0500 From: Mark Tinguely To: xfs@oss.sgi.com Subject: [PATCH 0/2] xfsprog: fix xfs_inode lifetime issue These patches clean up the xfs(_trans)_iput() and fix the xfs_inode life time so that inodes with a extended attribute fork can add an attributes. Patch 1 removes the unused argument in _iput routines and introduces the IRELSE define for xfs_iput(). Patch 2 fixes the xfs_inode lifetime problem. Mark. From tinguely@eagdhcp-232-128.americas.sgi.com Wed Apr 30 09:03:07 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=RP_MATCHES_RCVD autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 1BB9929DF9 for ; Wed, 30 Apr 2014 09:03:07 -0500 (CDT) Received: from eagdhcp-232-128.americas.sgi.com (eagdhcp-232-128.americas.sgi.com [128.162.232.128]) by relay2.corp.sgi.com (Postfix) with ESMTP id EE1F1304064 for ; Wed, 30 Apr 2014 07:03:03 -0700 (PDT) Received: from eagdhcp-232-128.americas.sgi.com (localhost [127.0.0.1]) by eagdhcp-232-128.americas.sgi.com (8.14.5/8.14.5) with ESMTP id s3UE32WI007724 for ; Wed, 30 Apr 2014 09:03:02 -0500 (CDT) (envelope-from tinguely@eagdhcp-232-128.americas.sgi.com) Received: (from tinguely@localhost) by eagdhcp-232-128.americas.sgi.com (8.14.5/8.14.5/Submit) id s3UE324d007723; Wed, 30 Apr 2014 09:03:02 -0500 (CDT) (envelope-from tinguely) Message-Id: <20140430135319.660238697@sgi.com> User-Agent: quilt/0.47-15.17.1 Date: Wed, 30 Apr 2014 08:48:45 -0500 From: Mark Tinguely To: xfs@oss.sgi.com Subject: [PATCH 1/2] xfsprogs: remove unused argument in trans_iput References: <20140430134844.924376330@sgi.com> Content-Disposition: inline; filename=xfsprogs-remove-extra-var-xfs_iput.patch Remove the unused second argument to xfs_iput() and xfs_trans_iput(). Introduce the define "IRELE()" and use in place of xfs_iput(). Signed-off-by: Mark Tinguely --- db/attrset.c | 4 ++-- include/libxfs.h | 6 ++++-- libxfs/init.c | 4 ++-- libxfs/rdwr.c | 2 +- libxfs/trans.c | 11 +++++------ mkfs/proto.c | 2 +- repair/phase6.c | 2 +- repair/phase7.c | 2 +- 8 files changed, 17 insertions(+), 16 deletions(-) Index: b/db/attrset.c =================================================================== --- a/db/attrset.c +++ b/db/attrset.c @@ -170,7 +170,7 @@ attr_set_f( out: mp->m_flags &= ~LIBXFS_MOUNT_COMPAT_ATTR; if (ip) - libxfs_iput(ip, 0); + IRELE(ip); if (value) free(value); return 0; @@ -244,6 +244,6 @@ attr_remove_f( out: mp->m_flags &= ~LIBXFS_MOUNT_COMPAT_ATTR; if (ip) - libxfs_iput(ip, 0); + IRELE(ip); return 0; } Index: b/include/libxfs.h =================================================================== --- a/include/libxfs.h +++ b/include/libxfs.h @@ -532,7 +532,7 @@ extern xfs_buf_t *libxfs_trans_getsb (xf extern int libxfs_trans_iget (xfs_mount_t *, xfs_trans_t *, xfs_ino_t, uint, uint, struct xfs_inode **); -extern void libxfs_trans_iput(xfs_trans_t *, struct xfs_inode *, uint); +extern void libxfs_trans_iput(xfs_trans_t *, struct xfs_inode *); extern void libxfs_trans_ijoin (xfs_trans_t *, struct xfs_inode *, uint); extern void libxfs_trans_ihold (xfs_trans_t *, struct xfs_inode *); extern void libxfs_trans_ijoin_ref(xfs_trans_t *, struct xfs_inode *, int); @@ -653,7 +653,9 @@ extern int libxfs_iflush_int (xfs_inode_ /* Inode Cache Interfaces */ extern int libxfs_iget (xfs_mount_t *, xfs_trans_t *, xfs_ino_t, uint, xfs_inode_t **, xfs_daddr_t); -extern void libxfs_iput (xfs_inode_t *, uint); +extern void libxfs_iput (xfs_inode_t *); + +#define IRELE(ip) libxfs_iput(ip) /* Shared utility routines */ extern unsigned int libxfs_log2_roundup(unsigned int i); Index: b/libxfs/init.c =================================================================== --- a/libxfs/init.c +++ b/libxfs/init.c @@ -778,9 +778,9 @@ void libxfs_rtmount_destroy(xfs_mount_t *mp) { if (mp->m_rsumip) - libxfs_iput(mp->m_rsumip, 0); + IRELE(mp->m_rsumip); if (mp->m_rbmip) - libxfs_iput(mp->m_rbmip, 0); + IRELE(mp->m_rbmip); mp->m_rsumip = mp->m_rbmip = NULL; } Index: b/libxfs/rdwr.c =================================================================== --- a/libxfs/rdwr.c +++ b/libxfs/rdwr.c @@ -1076,7 +1076,7 @@ libxfs_idestroy(xfs_inode_t *ip) } void -libxfs_iput(xfs_inode_t *ip, uint lock_flags) +libxfs_iput(xfs_inode_t *ip) { if (ip->i_itemp) kmem_zone_free(xfs_ili_zone, ip->i_itemp); Index: b/libxfs/trans.c =================================================================== --- a/libxfs/trans.c +++ b/libxfs/trans.c @@ -250,13 +250,12 @@ libxfs_trans_iget( void libxfs_trans_iput( xfs_trans_t *tp, - xfs_inode_t *ip, - uint lock_flags) + xfs_inode_t *ip) { xfs_inode_log_item_t *iip; if (tp == NULL) { - libxfs_iput(ip, lock_flags); + IRELE(ip); return; } @@ -265,7 +264,7 @@ libxfs_trans_iput( ASSERT(iip != NULL); xfs_trans_del_item(&iip->ili_item); - libxfs_iput(ip, lock_flags); + IRELE(ip); } void @@ -737,7 +736,7 @@ ili_done: return; } /* free the inode */ - libxfs_iput(ip, 0); + IRELE(ip); } static void @@ -819,7 +818,7 @@ inode_item_unlock( iip->ili_flags = 0; if (!iip->ili_lock_flags) - libxfs_iput(ip, 0); + IRELE(ip); else iip->ili_lock_flags = 0; } Index: b/mkfs/proto.c =================================================================== --- a/mkfs/proto.c +++ b/mkfs/proto.c @@ -589,7 +589,7 @@ parseproto( break; parseproto(mp, ip, fsxp, pp, name); } - libxfs_iput(ip, 0); + IRELE(ip); return; default: ASSERT(0); Index: b/repair/phase6.c =================================================================== --- a/repair/phase6.c +++ b/repair/phase6.c @@ -2873,7 +2873,7 @@ process_dir_inode( |XFS_TRANS_SYNC); } } - libxfs_iput(ip, 0); + IRELE(ip); } /* Index: b/repair/phase7.c =================================================================== --- a/repair/phase7.c +++ b/repair/phase7.c @@ -99,7 +99,7 @@ update_inode_nlinks( set_nlinks(&ip->i_d, ino, nlinks, &dirty); if (!dirty) { - libxfs_trans_iput(tp, ip, 0); + libxfs_trans_iput(tp, ip); libxfs_trans_cancel(tp, XFS_TRANS_RELEASE_LOG_RES); } else { libxfs_trans_log_inode(tp, ip, XFS_ILOG_CORE); From tinguely@eagdhcp-232-128.americas.sgi.com Wed Apr 30 09:04:27 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=RP_MATCHES_RCVD autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id BE7C429DF9 for ; Wed, 30 Apr 2014 09:04:27 -0500 (CDT) Received: from eagdhcp-232-128.americas.sgi.com (eagdhcp-232-128.americas.sgi.com [128.162.232.128]) by relay2.corp.sgi.com (Postfix) with ESMTP id 94FC5304032 for ; Wed, 30 Apr 2014 07:04:27 -0700 (PDT) Received: from eagdhcp-232-128.americas.sgi.com (localhost [127.0.0.1]) by eagdhcp-232-128.americas.sgi.com (8.14.5/8.14.5) with ESMTP id s3UE4PEj007728 for ; Wed, 30 Apr 2014 09:04:25 -0500 (CDT) (envelope-from tinguely@eagdhcp-232-128.americas.sgi.com) Received: (from tinguely@localhost) by eagdhcp-232-128.americas.sgi.com (8.14.5/8.14.5/Submit) id s3UE4P1x007727; Wed, 30 Apr 2014 09:04:25 -0500 (CDT) (envelope-from tinguely) Message-Id: <20140430135319.750775813@sgi.com> User-Agent: quilt/0.47-15.17.1 Date: Wed, 30 Apr 2014 08:48:46 -0500 From: Mark Tinguely To: xfs@oss.sgi.com Subject: [PATCH 2/2] xfsprogs: dont free xfs_inode until complete References: <20140430134844.924376330@sgi.com> Content-Disposition: inline; filename=xfsprogs-fix-release-xfs_inode.patch Originally, the xfs_inode are released upon the first call to xfs_trans_cancel, xfs_trans_commit, or inode_item_done. This code used the log item lock field to prevent the release of the inode on the next call to one of the above functions. This is a unusual use of the log item lock field which is suppose to specify which lock is to be release on transaction commit or cancel. User space does not perform locking in transactions.. Unfortunately, this breaks any code that relies on multiple transaction operations. For example, adding an extended attribute to an inode that does not have an attribute fork will fail: # xfs_db -x XFS_DEVICE xfs_db> inode INO_NUM xfs_db> attr_set newattribute This patch does the following: 1) Removes the iput from the transaction completion and requires that the xfs_inode allocators call IRELE() when they are done with the pointer. The real time inodes are pointed to by the xfs_mount and have a longer lifetime. 2) Removes libxfs_trans_iput() because transaction entries are removed in transaction commit and cancel. 3) Removes libxfs_trans_ihold() which is an obsolete interface. 4) Removes the now unneeded ili_flags from the xfs_inode_log_item structure. Signed-off-by: Mark Tinguely --- include/libxfs.h | 3 -- libxfs/trans.c | 59 +++++-------------------------------------------------- libxfs/util.c | 1 libxfs/xfs.h | 1 mkfs/proto.c | 16 +------------- repair/phase6.c | 13 +++--------- repair/phase7.c | 2 - 7 files changed, 13 insertions(+), 82 deletions(-) Index: b/include/libxfs.h =================================================================== --- a/include/libxfs.h +++ b/include/libxfs.h @@ -477,7 +477,6 @@ typedef struct xfs_inode_log_item { unsigned int ili_fields; /* fields to be logged */ unsigned int ili_last_fields; /* fields when flushed*/ xfs_inode_log_format_t ili_format; /* logged structure */ - int ili_lock_flags; } xfs_inode_log_item_t; typedef struct xfs_buf_log_item { @@ -532,9 +531,7 @@ extern xfs_buf_t *libxfs_trans_getsb (xf extern int libxfs_trans_iget (xfs_mount_t *, xfs_trans_t *, xfs_ino_t, uint, uint, struct xfs_inode **); -extern void libxfs_trans_iput(xfs_trans_t *, struct xfs_inode *); extern void libxfs_trans_ijoin (xfs_trans_t *, struct xfs_inode *, uint); -extern void libxfs_trans_ihold (xfs_trans_t *, struct xfs_inode *); extern void libxfs_trans_ijoin_ref(xfs_trans_t *, struct xfs_inode *, int); extern void libxfs_trans_log_inode (xfs_trans_t *, struct xfs_inode *, uint); Index: b/libxfs/trans.c =================================================================== --- a/libxfs/trans.c +++ b/libxfs/trans.c @@ -110,7 +110,7 @@ libxfs_trans_roll( /* * Commit the current transaction. * If this commit failed, then it'd just unlock those items that - * are not marked ihold. That also means that a filesystem shutdown + * are marked to be released. That also means that a filesystem shutdown * is in progress. The caller takes the responsibility to cancel * the duplicate transaction that gets returned. */ @@ -248,26 +248,6 @@ libxfs_trans_iget( } void -libxfs_trans_iput( - xfs_trans_t *tp, - xfs_inode_t *ip) -{ - xfs_inode_log_item_t *iip; - - if (tp == NULL) { - IRELE(ip); - return; - } - - ASSERT(ip->i_transp == tp); - iip = ip->i_itemp; - ASSERT(iip != NULL); - xfs_trans_del_item(&iip->ili_item); - - IRELE(ip); -} - -void libxfs_trans_ijoin( xfs_trans_t *tp, xfs_inode_t *ip, @@ -300,7 +280,6 @@ libxfs_trans_ijoin_ref( ASSERT(ip->i_itemp != NULL); xfs_trans_ijoin(tp, ip, lock_flags); - ip->i_itemp->ili_lock_flags = lock_flags; #ifdef XACT_DEBUG fprintf(stderr, "ijoin_ref'd inode %llu, transaction %p\n", ip->i_ino, tp); @@ -308,21 +287,6 @@ libxfs_trans_ijoin_ref( } void -libxfs_trans_ihold( - xfs_trans_t *tp, - xfs_inode_t *ip) -{ - ASSERT(ip->i_transp == tp); - ASSERT(ip->i_itemp != NULL); - - ip->i_itemp->ili_lock_flags = 1; - -#ifdef XACT_DEBUG - fprintf(stderr, "ihold'd inode %llu, transaction %p\n", ip->i_ino, tp); -#endif -} - -void libxfs_trans_inode_alloc_buf( xfs_trans_t *tp, xfs_buf_t *bp) @@ -701,7 +665,7 @@ inode_item_done( if (!(iip->ili_fields & XFS_ILOG_ALL)) { ip->i_transp = NULL; /* disassociate from transaction */ iip->ili_flags = 0; /* reset all flags */ - goto ili_done; + return; } /* @@ -711,7 +675,7 @@ inode_item_done( if (error) { fprintf(stderr, _("%s: warning - imap_to_bp failed (%d)\n"), progname, error); - goto ili_done; + return; } XFS_BUF_SET_FSPRIVATE(bp, iip); @@ -719,7 +683,7 @@ inode_item_done( if (error) { fprintf(stderr, _("%s: warning - iflush_int failed (%d)\n"), progname, error); - goto ili_done; + return; } ip->i_transp = NULL; /* disassociate from transaction */ @@ -727,16 +691,9 @@ inode_item_done( XFS_BUF_SET_FSPRIVATE2(bp, NULL); /* remove xact ptr */ libxfs_writebuf(bp, 0); #ifdef XACT_DEBUG - fprintf(stderr, "flushing dirty inode %llu, buffer %p (hold=%u)\n", - ip->i_ino, bp, iip->ili_lock_flags); + fprintf(stderr, "flushing dirty inode %llu, buffer %p\n", + ip->i_ino, bp); #endif -ili_done: - if (iip->ili_lock_flags) { - iip->ili_lock_flags = 0; - return; - } - /* free the inode */ - IRELE(ip); } static void @@ -817,10 +774,6 @@ inode_item_unlock( ip->i_transp = NULL; iip->ili_flags = 0; - if (!iip->ili_lock_flags) - IRELE(ip); - else - iip->ili_lock_flags = 0; } /* Index: b/libxfs/util.c =================================================================== --- a/libxfs/util.c +++ b/libxfs/util.c @@ -595,7 +595,6 @@ libxfs_alloc_file_space( break; } xfs_trans_ijoin(tp, ip, 0); - xfs_trans_ihold(tp, ip); xfs_bmap_init(&free_list, &firstfsb); error = xfs_bmapi_write(tp, ip, startoffset_fsb, allocatesize_fsb, Index: b/libxfs/xfs.h =================================================================== --- a/libxfs/xfs.h +++ b/libxfs/xfs.h @@ -292,7 +292,6 @@ roundup_64(__uint64_t x, __uint32_t y) #define xfs_trans_get_buf libxfs_trans_get_buf #define xfs_trans_getsb libxfs_trans_getsb #define xfs_trans_iget libxfs_trans_iget -#define xfs_trans_ihold libxfs_trans_ihold #define xfs_trans_ijoin libxfs_trans_ijoin #define xfs_trans_ijoin_ref libxfs_trans_ijoin_ref #define xfs_trans_init libxfs_trans_init Index: b/mkfs/proto.c =================================================================== --- a/mkfs/proto.c +++ b/mkfs/proto.c @@ -196,7 +196,6 @@ rsvfile( tp = libxfs_trans_alloc(mp, 0); libxfs_trans_ijoin(tp, ip, 0); - libxfs_trans_ihold(tp, ip); ip->i_d.di_mode &= ~S_ISUID; @@ -463,7 +462,6 @@ parseproto( libxfs_trans_ijoin(tp, pip, 0); xname.type = XFS_DIR3_FT_REG_FILE; newdirent(mp, tp, pip, &xname, ip->i_ino, &first, &flist); - libxfs_trans_ihold(tp, pip); break; case IF_RESERVED: /* pre-allocated space only */ @@ -480,7 +478,6 @@ parseproto( xname.type = XFS_DIR3_FT_REG_FILE; newdirent(mp, tp, pip, &xname, ip->i_ino, &first, &flist); - libxfs_trans_ihold(tp, pip); libxfs_trans_log_inode(tp, ip, flags); error = libxfs_bmap_finish(&tp, &flist, &committed); @@ -488,6 +485,7 @@ parseproto( fail(_("Pre-allocated file creation failed"), error); libxfs_trans_commit(tp, 0); rsvfile(mp, ip, llen); + IRELE(ip); return; case IF_BLOCK: @@ -502,7 +500,6 @@ parseproto( libxfs_trans_ijoin(tp, pip, 0); xname.type = XFS_DIR3_FT_BLKDEV; newdirent(mp, tp, pip, &xname, ip->i_ino, &first, &flist); - libxfs_trans_ihold(tp, pip); flags |= XFS_ILOG_DEV; break; @@ -517,7 +514,6 @@ parseproto( libxfs_trans_ijoin(tp, pip, 0); xname.type = XFS_DIR3_FT_CHRDEV; newdirent(mp, tp, pip, &xname, ip->i_ino, &first, &flist); - libxfs_trans_ihold(tp, pip); flags |= XFS_ILOG_DEV; break; @@ -530,7 +526,6 @@ parseproto( libxfs_trans_ijoin(tp, pip, 0); xname.type = XFS_DIR3_FT_FIFO; newdirent(mp, tp, pip, &xname, ip->i_ino, &first, &flist); - libxfs_trans_ihold(tp, pip); break; case IF_SYMLINK: buf = getstr(pp); @@ -544,7 +539,6 @@ parseproto( libxfs_trans_ijoin(tp, pip, 0); xname.type = XFS_DIR3_FT_SYMLINK; newdirent(mp, tp, pip, &xname, ip->i_ino, &first, &flist); - libxfs_trans_ihold(tp, pip); break; case IF_DIRECTORY: getres(tp, 0); @@ -564,7 +558,6 @@ parseproto( newdirent(mp, tp, pip, &xname, ip->i_ino, &first, &flist); pip->i_d.di_nlink++; - libxfs_trans_ihold(tp, pip); libxfs_trans_log_inode(tp, pip, XFS_ILOG_CORE); } newdirectory(mp, tp, ip, pip); @@ -572,7 +565,6 @@ parseproto( error = libxfs_bmap_finish(&tp, &flist, &committed); if (error) fail(_("Directory creation failed"), error); - libxfs_trans_ihold(tp, ip); libxfs_trans_commit(tp, 0); /* * RT initialization. Do this here to ensure that @@ -602,6 +594,7 @@ parseproto( error); } libxfs_trans_commit(tp, 0); + IRELE(ip); } void @@ -664,7 +657,6 @@ rtinit( *(__uint64_t *)&rbmip->i_d.di_atime = 0; libxfs_trans_log_inode(tp, rbmip, XFS_ILOG_CORE); libxfs_mod_sb(tp, XFS_SB_RBMINO); - libxfs_trans_ihold(tp, rbmip); mp->m_rbmip = rbmip; error = libxfs_inode_alloc(&tp, NULL, S_IFREG, 1, 0, &creds, &fsxattrs, &rsumip); @@ -675,7 +667,6 @@ rtinit( rsumip->i_d.di_size = mp->m_rsumsize; libxfs_trans_log_inode(tp, rsumip, XFS_ILOG_CORE); libxfs_mod_sb(tp, XFS_SB_RSUMINO); - libxfs_trans_ihold(tp, rsumip); libxfs_trans_commit(tp, 0); mp->m_rsumip = rsumip; /* @@ -688,7 +679,6 @@ rtinit( res_failed(i); libxfs_trans_ijoin(tp, rbmip, 0); - libxfs_trans_ihold(tp, rbmip); bno = 0; xfs_bmap_init(&flist, &first); while (bno < mp->m_sb.sb_rbmblocks) { @@ -725,7 +715,6 @@ rtinit( if (i) res_failed(i); libxfs_trans_ijoin(tp, rsumip, 0); - libxfs_trans_ihold(tp, rsumip); bno = 0; xfs_bmap_init(&flist, &first); while (bno < nsumblocks) { @@ -761,7 +750,6 @@ rtinit( if (i) res_failed(i); libxfs_trans_ijoin(tp, rbmip, 0); - libxfs_trans_ihold(tp, rbmip); xfs_bmap_init(&flist, &first); ebno = XFS_RTMIN(mp->m_sb.sb_rextents, bno + NBBY * mp->m_sb.sb_blocksize); Index: b/repair/phase6.c =================================================================== --- a/repair/phase6.c +++ b/repair/phase6.c @@ -505,7 +505,6 @@ mk_rbmino(xfs_mount_t *mp) * commit changes */ libxfs_trans_log_inode(tp, ip, XFS_ILOG_CORE); - libxfs_trans_ihold(tp, ip); libxfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES|XFS_TRANS_SYNC); /* @@ -762,7 +761,6 @@ mk_rsumino(xfs_mount_t *mp) * commit changes */ libxfs_trans_log_inode(tp, ip, XFS_ILOG_CORE); - libxfs_trans_ihold(tp, ip); libxfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES|XFS_TRANS_SYNC); /* @@ -1024,6 +1022,8 @@ mk_orphanage(xfs_mount_t *mp) libxfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES|XFS_TRANS_SYNC); + IRELE(ip); + IRELE(pip); add_inode_reached(irec,ino_offset); return(ino); @@ -1221,6 +1221,8 @@ mv_orphanage( libxfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES|XFS_TRANS_SYNC); } + IRELE(ino_p); + IRELE(orphanage_ip); } static int @@ -1291,7 +1293,6 @@ longform_dir2_rebuild( if (error) res_failed(error); libxfs_trans_ijoin(tp, ip, 0); - libxfs_trans_ihold(tp, ip); if ((error = libxfs_bmap_last_offset(tp, ip, &lastblock, XFS_DATA_FORK))) @@ -1331,7 +1332,6 @@ longform_dir2_rebuild( res_failed(error); libxfs_trans_ijoin(tp, ip, 0); - libxfs_trans_ihold(tp, ip); xfs_bmap_init(&flist, &firstblock); error = libxfs_dir_createname(tp, ip, &p->name, p->inum, @@ -1389,7 +1389,6 @@ dir2_kill_block( if (error) res_failed(error); libxfs_trans_ijoin(tp, ip, 0); - libxfs_trans_ihold(tp, ip); libxfs_trans_bjoin(tp, bp); memset(&args, 0, sizeof(args)); xfs_bmap_init(&flist, &firstblock); @@ -1577,7 +1576,6 @@ longform_dir2_entry_check_data( if (error) res_failed(error); libxfs_trans_ijoin(tp, ip, 0); - libxfs_trans_ihold(tp, ip); libxfs_trans_bjoin(tp, bp); libxfs_trans_bhold(tp, bp); xfs_bmap_init(&flist, &firstblock); @@ -2744,7 +2742,6 @@ process_dir_inode( res_failed(error); libxfs_trans_ijoin(tp, ip, 0); - libxfs_trans_ihold(tp, ip); shortform_dir2_entry_check(mp, ino, ip, &dirty, irec, ino_offset, @@ -2792,7 +2789,6 @@ process_dir_inode( res_failed(error); libxfs_trans_ijoin(tp, ip, 0); - libxfs_trans_ihold(tp, ip); xfs_bmap_init(&flist, &first); @@ -2854,7 +2850,6 @@ process_dir_inode( res_failed(error); libxfs_trans_ijoin(tp, ip, 0); - libxfs_trans_ihold(tp, ip); xfs_bmap_init(&flist, &first); Index: b/repair/phase7.c =================================================================== --- a/repair/phase7.c +++ b/repair/phase7.c @@ -99,7 +99,6 @@ update_inode_nlinks( set_nlinks(&ip->i_d, ino, nlinks, &dirty); if (!dirty) { - libxfs_trans_iput(tp, ip); libxfs_trans_cancel(tp, XFS_TRANS_RELEASE_LOG_RES); } else { libxfs_trans_log_inode(tp, ip, XFS_ILOG_CORE); @@ -113,6 +112,7 @@ update_inode_nlinks( ASSERT(error == 0); } + IRELE(ip); } void From sandeen@sandeen.net Wed Apr 30 09:47:53 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 07B9F29DF9 for ; Wed, 30 Apr 2014 09:47:53 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id 01837304062 for ; Wed, 30 Apr 2014 07:47:52 -0700 (PDT) X-ASG-Debug-ID: 1398869270-04cbb03cc71a4560001-NocioJ Received: from sandeen.net (sandeen.net [63.231.237.45]) by cuda.sgi.com with ESMTP id jtQyXDFmTDviv5Ka for ; Wed, 30 Apr 2014 07:47:50 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@sandeen.net X-Barracuda-Apparent-Source-IP: 63.231.237.45 Received: from liberator.sandeen.net (liberator.sandeen.net [10.0.0.4]) (using TLSv1 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (No client certificate requested) by sandeen.net (Postfix) with ESMTPSA id 4DBD663C5FF1; Wed, 30 Apr 2014 09:47:50 -0500 (CDT) Message-ID: <53610D16.9040609@sandeen.net> Date: Wed, 30 Apr 2014 09:47:50 -0500 From: Eric Sandeen User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:24.0) Gecko/20100101 Thunderbird/24.4.0 MIME-Version: 1.0 To: Mark Tinguely , xfs@oss.sgi.com Subject: Re: [PATCH 1/2] xfsprogs: remove unused argument in trans_iput References: <20140430134844.924376330@sgi.com> <20140430135319.660238697@sgi.com> X-ASG-Orig-Subj: Re: [PATCH 1/2] xfsprogs: remove unused argument in trans_iput In-Reply-To: <20140430135319.660238697@sgi.com> X-Enigmail-Version: 1.6 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Barracuda-Connect: sandeen.net[63.231.237.45] X-Barracuda-Start-Time: 1398869270 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5394 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On 4/30/14, 8:48 AM, Mark Tinguely wrote: > Remove the unused second argument to xfs_iput() and > xfs_trans_iput(). > > Introduce the define "IRELE()" and use in place of xfs_iput(). Why do this? We had been moving away from the upper-case-macro- redefined-to-a-function meme... what does this #define gain? libxfs_iget/libxfs_iput pairs seem more obvious than libxfs_iget/IRELE()... Thanks, -Eric > Signed-off-by: Mark Tinguely > --- > db/attrset.c | 4 ++-- > include/libxfs.h | 6 ++++-- > libxfs/init.c | 4 ++-- > libxfs/rdwr.c | 2 +- > libxfs/trans.c | 11 +++++------ > mkfs/proto.c | 2 +- > repair/phase6.c | 2 +- > repair/phase7.c | 2 +- > 8 files changed, 17 insertions(+), 16 deletions(-) > > Index: b/db/attrset.c > =================================================================== > --- a/db/attrset.c > +++ b/db/attrset.c > @@ -170,7 +170,7 @@ attr_set_f( > out: > mp->m_flags &= ~LIBXFS_MOUNT_COMPAT_ATTR; > if (ip) > - libxfs_iput(ip, 0); > + IRELE(ip); > if (value) > free(value); > return 0; > @@ -244,6 +244,6 @@ attr_remove_f( > out: > mp->m_flags &= ~LIBXFS_MOUNT_COMPAT_ATTR; > if (ip) > - libxfs_iput(ip, 0); > + IRELE(ip); > return 0; > } > Index: b/include/libxfs.h > =================================================================== > --- a/include/libxfs.h > +++ b/include/libxfs.h > @@ -532,7 +532,7 @@ extern xfs_buf_t *libxfs_trans_getsb (xf > > extern int libxfs_trans_iget (xfs_mount_t *, xfs_trans_t *, xfs_ino_t, > uint, uint, struct xfs_inode **); > -extern void libxfs_trans_iput(xfs_trans_t *, struct xfs_inode *, uint); > +extern void libxfs_trans_iput(xfs_trans_t *, struct xfs_inode *); > extern void libxfs_trans_ijoin (xfs_trans_t *, struct xfs_inode *, uint); > extern void libxfs_trans_ihold (xfs_trans_t *, struct xfs_inode *); > extern void libxfs_trans_ijoin_ref(xfs_trans_t *, struct xfs_inode *, int); > @@ -653,7 +653,9 @@ extern int libxfs_iflush_int (xfs_inode_ > /* Inode Cache Interfaces */ > extern int libxfs_iget (xfs_mount_t *, xfs_trans_t *, xfs_ino_t, > uint, xfs_inode_t **, xfs_daddr_t); > -extern void libxfs_iput (xfs_inode_t *, uint); > +extern void libxfs_iput (xfs_inode_t *); > + > +#define IRELE(ip) libxfs_iput(ip) > > /* Shared utility routines */ > extern unsigned int libxfs_log2_roundup(unsigned int i); > Index: b/libxfs/init.c > =================================================================== > --- a/libxfs/init.c > +++ b/libxfs/init.c > @@ -778,9 +778,9 @@ void > libxfs_rtmount_destroy(xfs_mount_t *mp) > { > if (mp->m_rsumip) > - libxfs_iput(mp->m_rsumip, 0); > + IRELE(mp->m_rsumip); > if (mp->m_rbmip) > - libxfs_iput(mp->m_rbmip, 0); > + IRELE(mp->m_rbmip); > mp->m_rsumip = mp->m_rbmip = NULL; > } > > Index: b/libxfs/rdwr.c > =================================================================== > --- a/libxfs/rdwr.c > +++ b/libxfs/rdwr.c > @@ -1076,7 +1076,7 @@ libxfs_idestroy(xfs_inode_t *ip) > } > > void > -libxfs_iput(xfs_inode_t *ip, uint lock_flags) > +libxfs_iput(xfs_inode_t *ip) > { > if (ip->i_itemp) > kmem_zone_free(xfs_ili_zone, ip->i_itemp); > Index: b/libxfs/trans.c > =================================================================== > --- a/libxfs/trans.c > +++ b/libxfs/trans.c > @@ -250,13 +250,12 @@ libxfs_trans_iget( > void > libxfs_trans_iput( > xfs_trans_t *tp, > - xfs_inode_t *ip, > - uint lock_flags) > + xfs_inode_t *ip) > { > xfs_inode_log_item_t *iip; > > if (tp == NULL) { > - libxfs_iput(ip, lock_flags); > + IRELE(ip); > return; > } > > @@ -265,7 +264,7 @@ libxfs_trans_iput( > ASSERT(iip != NULL); > xfs_trans_del_item(&iip->ili_item); > > - libxfs_iput(ip, lock_flags); > + IRELE(ip); > } > > void > @@ -737,7 +736,7 @@ ili_done: > return; > } > /* free the inode */ > - libxfs_iput(ip, 0); > + IRELE(ip); > } > > static void > @@ -819,7 +818,7 @@ inode_item_unlock( > > iip->ili_flags = 0; > if (!iip->ili_lock_flags) > - libxfs_iput(ip, 0); > + IRELE(ip); > else > iip->ili_lock_flags = 0; > } > Index: b/mkfs/proto.c > =================================================================== > --- a/mkfs/proto.c > +++ b/mkfs/proto.c > @@ -589,7 +589,7 @@ parseproto( > break; > parseproto(mp, ip, fsxp, pp, name); > } > - libxfs_iput(ip, 0); > + IRELE(ip); > return; > default: > ASSERT(0); > Index: b/repair/phase6.c > =================================================================== > --- a/repair/phase6.c > +++ b/repair/phase6.c > @@ -2873,7 +2873,7 @@ process_dir_inode( > |XFS_TRANS_SYNC); > } > } > - libxfs_iput(ip, 0); > + IRELE(ip); > } > > /* > Index: b/repair/phase7.c > =================================================================== > --- a/repair/phase7.c > +++ b/repair/phase7.c > @@ -99,7 +99,7 @@ update_inode_nlinks( > set_nlinks(&ip->i_d, ino, nlinks, &dirty); > > if (!dirty) { > - libxfs_trans_iput(tp, ip, 0); > + libxfs_trans_iput(tp, ip); > libxfs_trans_cancel(tp, XFS_TRANS_RELEASE_LOG_RES); > } else { > libxfs_trans_log_inode(tp, ip, XFS_ILOG_CORE); > > > _______________________________________________ > xfs mailing list > xfs@oss.sgi.com > http://oss.sgi.com/mailman/listinfo/xfs > From tinguely@sgi.com Wed Apr 30 09:50:17 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=RP_MATCHES_RCVD autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 8288329DF9 for ; Wed, 30 Apr 2014 09:50:17 -0500 (CDT) Received: from eagdhcp-232-128.americas.sgi.com (eagdhcp-232-128.americas.sgi.com [128.162.232.128]) by relay2.corp.sgi.com (Postfix) with ESMTP id 66B97304032; Wed, 30 Apr 2014 07:50:17 -0700 (PDT) Message-ID: <53610DA7.8070806@sgi.com> Date: Wed, 30 Apr 2014 09:50:15 -0500 From: Mark Tinguely User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:9.0) Gecko/20120122 Thunderbird/9.0 MIME-Version: 1.0 To: Eric Sandeen CC: xfs@oss.sgi.com Subject: Re: [PATCH 1/2] xfsprogs: remove unused argument in trans_iput References: <20140430134844.924376330@sgi.com> <20140430135319.660238697@sgi.com> <53610D16.9040609@sandeen.net> In-Reply-To: <53610D16.9040609@sandeen.net> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit On 04/30/14 09:47, Eric Sandeen wrote: > On 4/30/14, 8:48 AM, Mark Tinguely wrote: >> > Remove the unused second argument to xfs_iput() and >> > xfs_trans_iput(). >> > >> > Introduce the define "IRELE()" and use in place of xfs_iput(). > Why do this? We had been moving away from the upper-case-macro- > redefined-to-a-function meme... what does this #define gain? > > libxfs_iget/libxfs_iput pairs seem more obvious than > libxfs_iget/IRELE()... > > Thanks, > -Eric > To be consistent with the kernel code. --Mark. From sandeen@sandeen.net Wed Apr 30 10:02:56 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id B124829DF9 for ; Wed, 30 Apr 2014 10:02:56 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 9C03A8F8040 for ; Wed, 30 Apr 2014 08:02:53 -0700 (PDT) X-ASG-Debug-ID: 1398870172-04cbb03cc71a57d0001-NocioJ Received: from sandeen.net (sandeen.net [63.231.237.45]) by cuda.sgi.com with ESMTP id AYMlZPj0G3yJYGUC for ; Wed, 30 Apr 2014 08:02:52 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@sandeen.net X-Barracuda-Apparent-Source-IP: 63.231.237.45 Received: from liberator.sandeen.net (liberator.sandeen.net [10.0.0.4]) (using TLSv1 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (No client certificate requested) by sandeen.net (Postfix) with ESMTPSA id 9BCFD63C5FF1; Wed, 30 Apr 2014 10:02:52 -0500 (CDT) Message-ID: <5361109C.4000502@sandeen.net> Date: Wed, 30 Apr 2014 10:02:52 -0500 From: Eric Sandeen User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:24.0) Gecko/20100101 Thunderbird/24.4.0 MIME-Version: 1.0 To: Mark Tinguely CC: xfs@oss.sgi.com Subject: Re: [PATCH 1/2] xfsprogs: remove unused argument in trans_iput References: <20140430134844.924376330@sgi.com> <20140430135319.660238697@sgi.com> <53610D16.9040609@sandeen.net> <53610DA7.8070806@sgi.com> X-ASG-Orig-Subj: Re: [PATCH 1/2] xfsprogs: remove unused argument in trans_iput In-Reply-To: <53610DA7.8070806@sgi.com> X-Enigmail-Version: 1.6 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Barracuda-Connect: sandeen.net[63.231.237.45] X-Barracuda-Start-Time: 1398870172 X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5395 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On 4/30/14, 9:50 AM, Mark Tinguely wrote: > On 04/30/14 09:47, Eric Sandeen wrote: >> On 4/30/14, 8:48 AM, Mark Tinguely wrote: >>> > Remove the unused second argument to xfs_iput() and >>> > xfs_trans_iput(). >>> > >>> > Introduce the define "IRELE()" and use in place of xfs_iput(). >> Why do this? We had been moving away from the upper-case-macro- >> redefined-to-a-function meme... what does this #define gain? >> >> libxfs_iget/libxfs_iput pairs seem more obvious than >> libxfs_iget/IRELE()... >> >> Thanks, >> -Eric >> > > To be consistent with the kernel code. Gah, hohum, I'm not even going to try to explain why I thought we didn't have it in kernel code. sorry for the noise, -Eric > --Mark. > From BATV+b866e36709fcd56311b1+3902+infradead.org+hch@bombadil.srs.infradead.org Wed Apr 30 10:10:26 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 1D92129DF9 for ; Wed, 30 Apr 2014 10:10:26 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id 08101304032 for ; Wed, 30 Apr 2014 08:10:22 -0700 (PDT) X-ASG-Debug-ID: 1398870621-04cbb03cc71a6030001-NocioJ Received: from bombadil.infradead.org ([198.137.202.9]) by cuda.sgi.com with ESMTP id 3I2THIGT3gZJDye8 (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO); Wed, 30 Apr 2014 08:10:21 -0700 (PDT) X-Barracuda-Envelope-From: BATV+b866e36709fcd56311b1+3902+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.80.1 #2 (Red Hat Linux)) id 1WfW9N-0005Fb-25; Wed, 30 Apr 2014 15:10:21 +0000 Date: Wed, 30 Apr 2014 08:10:21 -0700 From: Christoph Hellwig To: Eric Sandeen Cc: Mark Tinguely , xfs@oss.sgi.com Subject: Re: [PATCH 1/2] xfsprogs: remove unused argument in trans_iput Message-ID: <20140430151021.GA15162@infradead.org> X-ASG-Orig-Subj: Re: [PATCH 1/2] xfsprogs: remove unused argument in trans_iput References: <20140430134844.924376330@sgi.com> <20140430135319.660238697@sgi.com> <53610D16.9040609@sandeen.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <53610D16.9040609@sandeen.net> User-Agent: Mutt/1.5.21 (2010-09-15) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html X-Barracuda-Connect: UNKNOWN[198.137.202.9] X-Barracuda-Start-Time: 1398870621 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.10 X-Barracuda-Spam-Status: No, SCORE=0.10 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=RDNS_NONE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5395 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.10 RDNS_NONE Delivered to trusted network by a host with no rDNS On Wed, Apr 30, 2014 at 09:47:50AM -0500, Eric Sandeen wrote: > On 4/30/14, 8:48 AM, Mark Tinguely wrote: > > Remove the unused second argument to xfs_iput() and > > xfs_trans_iput(). > > > > Introduce the define "IRELE()" and use in place of xfs_iput(). > > Why do this? We had been moving away from the upper-case-macro- > redefined-to-a-function meme... what does this #define gain? > > libxfs_iget/libxfs_iput pairs seem more obvious than > libxfs_iget/IRELE()... Mostly to match the kernel that makes it do an iput underneath.. From BATV+b866e36709fcd56311b1+3902+infradead.org+hch@bombadil.srs.infradead.org Wed Apr 30 10:11:00 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 1748929DF9 for ; Wed, 30 Apr 2014 10:11:00 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id B39A3AC012 for ; Wed, 30 Apr 2014 08:10:56 -0700 (PDT) X-ASG-Debug-ID: 1398870655-04cbb03cc71a60b0001-NocioJ Received: from bombadil.infradead.org ([198.137.202.9]) by cuda.sgi.com with ESMTP id ZmbUbJPhWRoN3gyp (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO); Wed, 30 Apr 2014 08:10:55 -0700 (PDT) X-Barracuda-Envelope-From: BATV+b866e36709fcd56311b1+3902+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.80.1 #2 (Red Hat Linux)) id 1WfW9v-0005PI-1i; Wed, 30 Apr 2014 15:10:55 +0000 Date: Wed, 30 Apr 2014 08:10:55 -0700 From: Christoph Hellwig To: Mark Tinguely Cc: xfs@oss.sgi.com Subject: Re: [PATCH 1/2] xfsprogs: remove unused argument in trans_iput Message-ID: <20140430151055.GB15162@infradead.org> X-ASG-Orig-Subj: Re: [PATCH 1/2] xfsprogs: remove unused argument in trans_iput References: <20140430134844.924376330@sgi.com> <20140430135319.660238697@sgi.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140430135319.660238697@sgi.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html X-Barracuda-Connect: UNKNOWN[198.137.202.9] X-Barracuda-Start-Time: 1398870655 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.176.25:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.10 X-Barracuda-Spam-Status: No, SCORE=0.10 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=RDNS_NONE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5395 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.10 RDNS_NONE Delivered to trusted network by a host with no rDNS On Wed, Apr 30, 2014 at 08:48:45AM -0500, Mark Tinguely wrote: > Remove the unused second argument to xfs_iput() and > xfs_trans_iput(). > > Introduce the define "IRELE()" and use in place of xfs_iput(). > > Signed-off-by: Mark Tinguely Looks good, Reviewed-by: Christoph Hellwig From BATV+b866e36709fcd56311b1+3902+infradead.org+hch@bombadil.srs.infradead.org Wed Apr 30 10:14:34 2014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 1FACC29DF9 for ; Wed, 30 Apr 2014 10:14:34 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id BA499AC00B for ; Wed, 30 Apr 2014 08:14:33 -0700 (PDT) X-ASG-Debug-ID: 1398870871-04bdf02b8c1ac800001-NocioJ Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) by cuda.sgi.com with ESMTP id cF8WhoEwsBJq6l7M (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO); Wed, 30 Apr 2014 08:14:31 -0700 (PDT) X-Barracuda-Envelope-From: BATV+b866e36709fcd56311b1+3902+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.80.1 #2 (Red Hat Linux)) id 1WfWDP-0005bz-AS; Wed, 30 Apr 2014 15:14:31 +0000 Date: Wed, 30 Apr 2014 08:14:31 -0700 From: Christoph Hellwig To: Mark Tinguely Cc: xfs@oss.sgi.com Subject: Re: [PATCH 2/2] xfsprogs: dont free xfs_inode until complete Message-ID: <20140430151431.GC15162@infradead.org> X-ASG-Orig-Subj: Re: [PATCH 2/2] xfsprogs: dont free xfs_inode until complete References: <20140430134844.924376330@sgi.com> <20140430135319.750775813@sgi.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140430135319.750775813@sgi.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html X-Barracuda-Connect: bombadil.infradead.org[198.137.202.9] X-Barracuda-Start-Time: 1398870871 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: http://192.48.157.11:80/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 2.60 X-Barracuda-Spam-Status: No, SCORE=2.60 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MV0249, MARKETING_SUBJECT X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.5395 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.60 MARKETING_SUBJECT Subject contains popular marketing words 2.00 BSF_SC0_MV0249 Custom rule MV0249 On Wed, Apr 30, 2014 at 08:48:46AM -0500, Mark Tinguely wrote: > Originally, the xfs_inode are released upon the first > call to xfs_trans_cancel, xfs_trans_commit, or > inode_item_done. This code used the log item lock field > to prevent the release of the inode on the next call to > one of the above functions. This is a unusual use of the > log item lock field which is suppose to specify which lock > is to be release on transaction commit or cancel. User > space does not perform locking in transactions.. > > Unfortunately, this breaks any code that relies on multiple > transaction operations. For example, adding an extended > attribute to an inode that does not have an attribute fork > will fail: > > # xfs_db -x XFS_DEVICE > xfs_db> inode INO_NUM > xfs_db> attr_set newattribute > > This patch does the following: > 1) Removes the iput from the transaction completion and > requires that the xfs_inode allocators call IRELE() > when they are done with the pointer. The real time > inodes are pointed to by the xfs_mount and have a longer > lifetime. Makes sense, the kernel hasn't done an iput during transaction completion for a long time. > 2) Removes libxfs_trans_iput() because transaction entries > are removed in transaction commit and cancel. Also matches the kernel and makes sense. > 3) Removes libxfs_trans_ihold() which is an obsolete interface. Ditto. > 4) Removes the now unneeded ili_flags from the xfs_inode_log_item > structure. ili_lock_flags, not ili_flags. Given that we never lock inodes in userspace there is no need to unlock them during transaction commit, and no need to track this. There's also no shared code that references this field, so it can safely go. The patch looks good to me, and having consistent behavior with the kernel code is very useful to have! Reviewed-by: Christoph Hellwig