diff options
| author |   Shaohua Li <shli@kernel.org> | 2013-10-19 14:50:28 +0800 |
|---|---|---|
| committer |   NeilBrown <neilb@suse.de> | 2013-10-24 12:57:36 +1100 |
| commit | 37c61ff31e9b5e3fcf3cc6579f5c68f6ad40c4b1 (patch) | |
| tree | 531c906f33e284c2916213fb994b632b03ab885a /tools/perf/util/scripting-engines/trace-event-python.c | |
| parent | md: avoid deadlock when md_set_badblocks. (diff) | |
| download | wireguard-linux-37c61ff31e9b5e3fcf3cc6579f5c68f6ad40c4b1.tar.xz wireguard-linux-37c61ff31e9b5e3fcf3cc6579f5c68f6ad40c4b1.zip | |
raid5: set bio bi_vcnt 0 for discard request
SCSI layer will add new payload for discard request. If two bios are merged
to one, the second bio has bi_vcnt 1 which is set in raid5. This will confuse
SCSI and cause oops.
Suitable for backport to 3.7+
Cc: stable@vger.kernel.org (v3.7+)
Reported-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Shaohua Li <shli@fusionio.com>
Signed-off-by: NeilBrown <neilb@suse.de>
Acked-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'tools/perf/util/scripting-engines/trace-event-python.c')
0 files changed, 0 insertions, 0 deletions