== sanity test 60c: unlink file when mds full ============ 04:32:03 (1779697923)
create 5000 files
 - open/close 549 (time 1779697937.60 total 10.02 last 54.82)
 - open/close 1059 (time 1779697947.62 total 20.03 last 50.92)
 - open/close 1578 (time 1779697957.63 total 30.04 last 51.84)
 - open/close 2101 (time 1779697967.64 total 40.05 last 52.25)
 - open/close 2621 (time 1779697977.65 total 50.06 last 51.94)
 - open/close 3091 (time 1779697987.66 total 60.07 last 46.96)
 - open/close 3564 (time 1779697997.67 total 70.08 last 47.25)
 - open/close 4029 (time 1779698007.68 total 80.10 last 46.43)
 - open/close 4525 (time 1779698017.69 total 90.11 last 49.55)
total: 5000 open/close in 99.92 seconds: 50.04 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1779698031 ; total 0 ; last 0)
total: 5000 unlinks in 71 seconds: 70.422539 unlinks/second
fail_loc=0