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authorFilipe Manana <fdmanana@suse.com>2014-07-02 20:07:54 +0100
committerChris Mason <clm@fb.com>2014-08-15 07:43:13 -0700
commit6f7ff6d7832c6be13e8c95598884dbc40ad69fb7 (patch)
tree77cfeb9532c7eb15a9d6a1c880066e49e24a9e96 /kernel/irq
parente339a6b097c515a31ce230d498c44ff2e89f1cf4 (diff)
downloadlinux-6f7ff6d7832c6be13e8c95598884dbc40ad69fb7.tar.gz
Btrfs: read lock extent buffer while walking backrefs
Before processing the extent buffer, acquire a read lock on it, so
that we're safe against concurrent updates on the extent buffer.

Signed-off-by: Filipe Manana <fdmanana@suse.com>
Signed-off-by: Chris Mason <clm@fb.com>
Diffstat (limited to 'kernel/irq')
0 files changed, 0 insertions, 0 deletions