QA output created by 238
mount: device write-protected, mounting read-only
096003817ad2638000a6836e55866697  SCRATCH_MNT/foo
Performing full device TRIM /dev/mapper/vg0-lv8 (10.00GiB) ...
mount: device write-protected, mounting read-only
096003817ad2638000a6836e55866697  SCRATCH_MNT/foo