Test for incremental send where the difference between the parent and
send snapshots is that for a subtree with the same path in both snapshots
(p1/p2), the root directories were swapped.
This issue was fixed by the following linux kernel btrfs patch:
Btrfs: incremental send, clear name from cache after orphanization
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Reviewed-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Dave Chinner <david@fromorbit.com>
Filipe Manana