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authorChris Mason <chris.mason@fusionio.com>2012-07-25 16:03:32 -0400
committerChris Mason <chris.mason@fusionio.com>2012-07-25 16:15:08 -0400
commitcd1cfc49153ba2bef247e500d8bd4d135193ece9 (patch)
tree34446eea9087a689b7864506197292bf9689fd28 /fs/btrfs/disk-io.c
parente9fbcb42201c862fd6ab45c48ead4f47bb2dea9d (diff)
downloadlinux-cd1cfc49153ba2bef247e500d8bd4d135193ece9.tar.bz2
Btrfs: add a barrier before a waitqueue_active check
We were missing wakeups on the delayed ref waitqueue due to races on waitqueue_active. Signed-off-by: Chris Mason <chris.mason@fusionio.com>
Diffstat (limited to 'fs/btrfs/disk-io.c')
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