== sanity test 77n: Verify read from a hole inside contiguous blocks with T10PI ========================================================== 00:21:30 (1790742090)
1+0 records in
1+0 records out
4096 bytes (4.1 kB, 4.0 KiB) copied, 0.0230082 s, 178 kB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB, 4.0 KiB) copied, 0.00574418 s, 713 kB/s

 SKIP: sanity test_77n f77n.sanity blocks not contiguous around hole