QA output created by 276
wrote 17179869184/17179869184 bytes at offset 0
XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
Number of non-shared extents in the whole file: 131077
Create a snapshot of 'SCRATCH_MNT' in 'SCRATCH_MNT/snap'
Number of shared extents in the whole file: 131077
wrote 1048576/1048576 bytes at offset 8388608
XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote 1048576/1048576 bytes at offset 12884901888
XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
Number of non-shared extents in the whole file: 16
Number of shared extents in the whole file: 131061
Number of non-shared extents in range [8M, 9M): 8
Number of non-shared extents in range [12G, 12G + 1M): 8
Delete subvolume (commit): 'SCRATCH_MNT/snap'
Number of non-shared extents in the whole file: 131077