== sanity test 60c: unlink file when mds full ============ 08:50:15 (1774875015)
create 5000 files
 - open/close 433 (time 1774875029.52 total 10.02 last 43.21)
 - open/close 823 (time 1774875039.54 total 20.03 last 38.95)
 - open/close 1258 (time 1774875049.54 total 30.03 last 43.49)
 - open/close 1677 (time 1774875059.55 total 40.04 last 41.86)
 - open/close 2085 (time 1774875069.56 total 50.05 last 40.77)
 - open/close 2503 (time 1774875079.56 total 60.05 last 41.80)
 - open/close 2885 (time 1774875089.57 total 70.06 last 38.15)
 - open/close 3278 (time 1774875099.58 total 80.08 last 39.24)
 - open/close 3697 (time 1774875109.59 total 90.09 last 41.85)
 - open/close 4111 (time 1774875119.61 total 100.10 last 41.35)
 - open/close 4497 (time 1774875129.62 total 110.12 last 38.54)
 - open/close 4907 (time 1774875139.63 total 120.12 last 40.98)
total: 5000 open/close in 122.52 seconds: 40.81 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1774875147 ; total 0 ; last 0)
total: 5000 unlinks in 90 seconds: 55.555557 unlinks/second
fail_loc=0