tree 6597760ea9f3c39f22f3ebada06b27ee59b8ea34
parent d5c1207017cd8387b4d3224dd7ab6cf5cd7f1c9a
author Miao Xie <miaox@cn.fujitsu.com> 1362045936 +0000
committer Josef Bacik <jbacik@fusionio.com> 1362076435 -0500

Btrfs: fix wrong reserved space when deleting a snapshot/subvolume

When deleting a snapshot/subvolume, we need remove root ref/backref,
dir entries and update the dir inode, so we must reserve free space
for those operations.

Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>