QA output created by 331 Format and mount Create the original files Compare files 1886e67cf8783e89ce6ddc5bb09a3944 SCRATCH_MNT/test-331/file1 1886e67cf8783e89ce6ddc5bb09a3944 SCRATCH_MNT/test-331/file2 CoW and unmount fdatasync: Input/output error Compare files 1886e67cf8783e89ce6ddc5bb09a3944 SCRATCH_MNT/test-331/file1 d94b0ab13385aba594411c174b1cc13c SCRATCH_MNT/test-331/file2 Check for damage