== sanity test 60c: unlink file when mds full ============ 07:55:31 (1787572531)
create 5000 files
 - open/close 480 (time 1787572545.73 total 10.02 last 47.92)
 - open/close 1002 (time 1787572555.73 total 20.02 last 52.19)
 - open/close 1527 (time 1787572565.74 total 30.03 last 52.43)
 - open/close 2031 (time 1787572575.74 total 40.03 last 50.40)
 - open/close 2561 (time 1787572585.76 total 50.05 last 52.93)
 - open/close 3069 (time 1787572595.77 total 60.06 last 50.74)
 - open/close 3560 (time 1787572605.78 total 70.06 last 49.07)
 - open/close 4089 (time 1787572615.79 total 80.07 last 52.85)
 - open/close 4591 (time 1787572625.81 total 90.10 last 50.07)
total: 5000 open/close in 98.46 seconds: 50.78 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1787572638 ; total 0 ; last 0)
total: 5000 unlinks in 71 seconds: 70.422539 unlinks/second
fail_loc=0