== sanity test 398q: race dio with buffered i/o ========== 00:20:05 (1787372405)
1+0 records in
1+0 records out
26214400 bytes (26 MB, 25 MiB) copied, 1.23593 s, 21.2 MB/s
bs: 4096, file_size 26214400
3200+0 records in
3200+0 records out
26214400 bytes (26 MB, 25 MiB) copied, 13.9623 s, 1.9 MB/s