Bug#661580: mkfs.xfs fails to detect correct sector size
Goswin von Brederlow
goswin-v-b at web.de
Thu Mar 1 02:14:09 CST 2012
Package: xfsprogs
Version: 3.1.7
Followup-For: Bug #661580
Hi again,
I've patched the NBD driver to set the physical sector size. Was way
easier than I imagined:
----------------------------------------------------------------------
--- linux/drivers/block/nbd.c~ 2012-03-01 09:10:35.000000000 +0100
+++ linux/drivers/block/nbd.c 2012-03-01 08:57:49.000000000 +0100
@@ -413,6 +413,9 @@
return ret;
}
+ /* Set physical block size to blocksize */
+ blk_queue_physical_block_size(lo->disk->queue, lo->blksize);
+
while ((req = nbd_read_stat(lo)) != NULL)
nbd_end_request(req);
----------------------------------------------------------------------
And I can confirm that the sector size detection is still broken in
3.1.7.
root at frosties:~$ parted /dev/nbd0
GNU Parted 2.3
Using /dev/nbd0
Welcome to GNU Parted! Type 'help' to view a list of commands.
(parted) p
Model: Unknown (unknown)
Disk /dev/nbd0: 16.8MB
Sector size (logical/physical): 512B/4096B
Partition Table: loop
Number Start End Size File system Flags
1 0.00B 16.8MB 16.8MB xfs
(parted) q
root at frosties:~$ mkfs.xfs -f /dev/nbd0
meta-data=/dev/nbd0 isize=256 agcount=1, agsize=4096 blks
= sectsz=512 attr=2, projid32bit=0
data = bsize=4096 blocks=4096, imaxpct=25
= sunit=0 swidth=0 blks
naming =version 2 bsize=4096 ascii-ci=0
log =internal log bsize=4096 blocks=1200, version=2
= sectsz=512 sunit=0 blks, lazy-count=1
realtime =none extsz=4096 blocks=0, rtextents=0
mrvn at frosties:~% tail /sys/block/nbd0/queue/*
==> /sys/block/nbd0/queue/add_random <==
1
==> /sys/block/nbd0/queue/discard_granularity <==
0
==> /sys/block/nbd0/queue/discard_max_bytes <==
0
==> /sys/block/nbd0/queue/discard_zeroes_data <==
0
==> /sys/block/nbd0/queue/hw_sector_size <==
512
==> /sys/block/nbd0/queue/iosched <==
tail: error reading `/sys/block/nbd0/queue/iosched': Is a directory
==> /sys/block/nbd0/queue/iostats <==
1
==> /sys/block/nbd0/queue/logical_block_size <==
512
==> /sys/block/nbd0/queue/max_hw_sectors_kb <==
127
==> /sys/block/nbd0/queue/max_integrity_segments <==
0
==> /sys/block/nbd0/queue/max_sectors_kb <==
127
==> /sys/block/nbd0/queue/max_segment_size <==
65536
==> /sys/block/nbd0/queue/max_segments <==
128
==> /sys/block/nbd0/queue/minimum_io_size <==
4096
==> /sys/block/nbd0/queue/nomerges <==
0
==> /sys/block/nbd0/queue/nr_requests <==
128
==> /sys/block/nbd0/queue/optimal_io_size <==
0
==> /sys/block/nbd0/queue/physical_block_size <==
4096
==> /sys/block/nbd0/queue/read_ahead_kb <==
128
==> /sys/block/nbd0/queue/rotational <==
0
==> /sys/block/nbd0/queue/rq_affinity <==
1
==> /sys/block/nbd0/queue/scheduler <==
noop deadline [cfq]
MfG
Goswin
-- System Information:
Debian Release: wheezy/sid
APT prefers unstable
APT policy: (500, 'unstable')
Architecture: amd64 (x86_64)
Kernel: Linux 3.1.0-1-amd64 (SMP w/4 CPU cores)
Locale: LANG=C, LC_CTYPE=de_DE (charmap=ISO-8859-1)
Shell: /bin/sh linked to /bin/dash
Versions of packages xfsprogs depends on:
ii libblkid1 2.20.1-1
ii libc6 2.13-21
ii libreadline5 5.2-11
ii libuuid1 2.19.1-5
xfsprogs recommends no packages.
Versions of packages xfsprogs suggests:
pn acl 2.2.51-4
pn attr 1:2.4.46-3
pn quota <none>
pn xfsdump <none>
-- no debconf information
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