tree 504a904635516ddeaf0582489e420b67b2d622fa
parent abccd00f8af27c585be48904515bad5658130e48
author Wang Shilong <wangsl.fnst@cn.fujitsu.com> 1391186525 +0800
committer Josef Bacik <jbacik@fb.com> 1394478941 -0400

Btrfs: only add roots if necessary in find_parent_nodes()

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>