== sanity test 60c: unlink file when mds full ============ 17:29:39 (1786829379)
create 5000 files
 - open/close 586 (time 1786829393.59 total 10.01 last 58.55)
 - open/close 1127 (time 1786829403.59 total 20.01 last 54.09)
 - open/close 1738 (time 1786829413.60 total 30.02 last 61.06)
 - open/close 2298 (time 1786829423.60 total 40.02 last 55.96)
 - open/close 2875 (time 1786829433.61 total 50.03 last 57.64)
 - open/close 3442 (time 1786829443.61 total 60.03 last 56.70)
 - open/close 4024 (time 1786829453.63 total 70.05 last 58.11)
 - open/close 4561 (time 1786829463.64 total 80.06 last 53.63)
total: 5000 open/close in 87.33 seconds: 57.26 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1786829475 ; total 0 ; last 0)
total: 5000 unlinks in 62 seconds: 80.645164 unlinks/second
fail_loc=0