QA output created by 048 == all upper offline == 3 SCRATCH_MNT/0 3 SCRATCH_MNT/1 3 SCRATCH_MNT/2 == unlink upper offline == 2 SCRATCH_MNT/1 2 SCRATCH_MNT/2 == link upper offline == 3 SCRATCH_MNT/1 3 SCRATCH_MNT/2 3 SCRATCH_MNT/3 == rename over upper offline == 2 SCRATCH_MNT/2 2 SCRATCH_MNT/3 == unlink new upper offline == 1 SCRATCH_MNT/2 == unlink last lower offline ==