Btrfs: don't BUG() during drop snapshot
commit4867268c57ff709a7b6b86ae6f6537d846d1443a
authorJosef Bacik <jbacik@fb.com>
Fri, 23 Sep 2016 11:23:28 +0000 (23 13:23 +0200)
committerDavid Sterba <dsterba@suse.com>
Mon, 26 Sep 2016 17:37:06 +0000 (26 19:37 +0200)
treee0237d6308ff83ad8dde872e0f3f4eedbe5b6952
parent2fd57fcb16483d718043940fd6dfeb176d4dc09c
Btrfs: don't BUG() during drop snapshot

Really there's lots of things that can go wrong here, kill all the
BUG_ON()'s and replace the logic ones with ASSERT()'s and return EIO
instead.

Signed-off-by: Josef Bacik <jbacik@fb.com>
[ switched to btrfs_err, errors go to common label ]
Reviewed-by: Liu Bo <bo.li.liu@oracle.com>
Signed-off-by: David Sterba <dsterba@suse.com>
fs/btrfs/extent-tree.c