== sanity test 60c: unlink file when mds full ============ 07:20:06 (1787829606)
create 5000 files
 - open/close 476 (time 1787829621.84 total 10.01 last 47.56)
 - open/close 951 (time 1787829631.86 total 20.03 last 47.42)
 - open/close 1404 (time 1787829641.87 total 30.04 last 45.23)
 - open/close 1804 (time 1787829651.88 total 40.05 last 39.96)
 - open/close 2277 (time 1787829661.90 total 50.06 last 47.25)
 - open/close 2779 (time 1787829671.92 total 60.09 last 50.09)
 - open/close 3279 (time 1787829681.93 total 70.10 last 49.94)
 - open/close 3757 (time 1787829691.95 total 80.12 last 47.69)
 - open/close 4213 (time 1787829701.96 total 90.13 last 45.57)
 - open/close 4724 (time 1787829712.00 total 100.17 last 50.90)
total: 5000 open/close in 106.42 seconds: 46.98 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1787829722 ; total 0 ; last 0)
total: 5000 unlinks in 78 seconds: 64.102562 unlinks/second
fail_loc=0