| commit | 37c61ff31e9b5e3fcf3cc6579f5c68f6ad40c4b1 | [log] [tgz] |
|---|---|---|
| author | Shaohua Li <shli@kernel.org> | Sat Oct 19 14:50:28 2013 +0800 |
| committer | NeilBrown <neilb@suse.de> | Thu Oct 24 12:57:36 2013 +1100 |
| tree | 531c906f33e284c2916213fb994b632b03ab885a | |
| parent | 905b0297a9533d7a6ee00a01a990456636877dd6 [diff] |
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>