Btrfs: only add roots if necessary in find_parent_nodes()

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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>

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Wang Shilong 2014-02-01 00:42:05 +08:00 • committed by Josef Bacik

parent abccd00f8a

commit 98cfee2143

1 changed files with 3 additions and 11 deletions

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14

fs/btrfs/backref.c

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