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Btrfs: fix nocow when deleting the item
authorMiao Xie <miaox@cn.fujitsu.com>
Fri, 11 Nov 2011 01:45:04 +0000 (20:45 -0500)
committerChris Mason <chris.mason@oracle.com>
Fri, 11 Nov 2011 01:45:04 +0000 (20:45 -0500)
btrfs_previous_item() just search the b+ tree, do not COW the nodes or leaves,
if we modify the result of it, the meta-data will be broken. fix it.

Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
fs/btrfs/volumes.c patch | blob | history

diff --cc fs/btrfs/volumes.c
Simple merge
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