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Btrfs: only add roots if necessary in find_parent_nodes()
authorWang Shilong <wangsl.fnst@cn.fujitsu.com>
Fri, 31 Jan 2014 16:42:05 +0000 (00:42 +0800)
committerJosef Bacik <jbacik@fb.com>
Mon, 10 Mar 2014 19:15:41 +0000 (15:15 -0400)
find_all_leafs() dosen't need add all roots actually, add roots only
if we need, this can avoid unnecessary ulist dance.

Signed-off-by: Wang Shilong <wangsl.fnst@cn.fujitsu.com>
Signed-off-by: Josef Bacik <jbacik@fb.com>
fs/btrfs/backref.c patch | blob | history

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