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/openbmc/linux/fs/btrfs/
H A Dbackref.cdiff 98cfee214394a3560bd4ce3209b55a71c4267783 Fri Jan 31 10:42:05 CST 2014 Wang Shilong <wangsl.fnst@cn.fujitsu.com> 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>