QA output created by 266
Format and mount
Create the original files
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1886e67cf8783e89ce6ddc5bb09a3944  SCRATCH_MNT/test-266/file1
1886e67cf8783e89ce6ddc5bb09a3944  SCRATCH_MNT/test-266/file2
CoW and unmount
fdatasync: Input/output error
Clean up the mess
Compare files
1886e67cf8783e89ce6ddc5bb09a3944  SCRATCH_MNT/test-266/file1
