]> git.baikalelectronics.ru Git - kernel.git/commit
dm thin metadata: fix a race when entering fail mode
authorJoe Thornber <ejt@redhat.com>
Thu, 11 Jun 2015 16:11:48 +0000 (17:11 +0100)
committerMike Snitzer <snitzer@redhat.com>
Thu, 11 Jun 2015 21:13:06 +0000 (17:13 -0400)
commit8474ac1c5511e6e008917d4c3397132b29624f5d
tree53fe7654800e4e179b29fa98157fa3afa591e804
parent0c60a799d3fbcd44f07e6bfcb1de6b9af5b4bf25
dm thin metadata: fix a race when entering fail mode

In dm_thin_find_block() the ->fail_io flag was checked outside the
metadata device's root_lock, causing dm_thin_find_block() to race with
the setting of this flag.

Signed-off-by: Joe Thornber <ejt@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
drivers/md/dm-thin-metadata.c