Btrfs: add ASSERT for block group's memory leak

This adds several ASSERT()' s to report memory leak of block group cache.

Signed-off-by: Liu Bo <bo.li.liu@oracle.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Signed-off-by: Chris Mason <clm@fb.com>
1 file changed