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(parent: 6c7bb5c) | patch
raid5: avoid finding "discard" stripe
authorShaohua Li <shli@kernel.org>
Sat, 19 Oct 2013 06:51:42 +0000 (14:51 +0800)
committerNeilBrown <neilb@suse.de>
Thu, 24 Oct 2013 02:00:24 +0000 (13:00 +1100)
commit2ce10d694e5d4fdb271f2e12453b44e474c9f69e
tree913370efae899bbcfda8364d569d1e74f392eb88tree | snapshot
parent6c7bb5c2538e4b872c50d668e7ed1e3ec22c4ec3commit | diff
raid5: avoid finding "discard" stripe

SCSI discard will damage discard stripe bio setting, eg, some fields are
changed. If the stripe is reused very soon, we have wrong bios setting. We
remove discard stripe from hash list, so next time the strip will be fully
initialized.

Suitable for backport to 3.7+.

Cc: <stable@vger.kernel.org> (3.7+)
Signed-off-by: Shaohua Li <shli@fusionio.com>
Signed-off-by: NeilBrown <neilb@suse.de>
drivers/md/raid5.c diff | blob | history
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