Btrfs: return free space in cow error path
authorLiu Bo <bo.li.liu@oracle.com>
Mon, 22 Apr 2013 10:53:47 +0000 (10:53 +0000)
committerJosef Bacik <jbacik@fusionio.com>
Mon, 6 May 2013 19:55:15 +0000 (15:55 -0400)
Replace some BUG_ONs with proper handling and take allocated space back to
free space cache for later use.

We don't have to worry about extent maps since they'd be freed in releasepage
path.

Signed-off-by: Liu Bo <bo.li.liu@oracle.com>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
fs/btrfs/inode.c

Simple merge