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(parent: 9cb15dc) | 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)
commitbe3e6da3f7d00b65316e904584ee872d27703f38
tree913370efae899bbcfda8364d569d1e74f392eb88tree | snapshot
parent9cb15dcf13f8dc62bb90280e3d5e87844b4cb006commit | 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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