== sanity test 60c: unlink file when mds full ============ 17:28:57 (1778534937)
create 5000 files
 - open/close 740 (time 1778534951.70 total 10.01 last 73.94)
 - open/close 1442 (time 1778534961.71 total 20.01 last 70.15)
 - open/close 2173 (time 1778534971.71 total 30.02 last 73.08)
 - open/close 2842 (time 1778534981.72 total 40.03 last 66.85)
 - open/close 3544 (time 1778534991.72 total 50.03 last 70.19)
 - open/close 4260 (time 1778535001.73 total 60.03 last 71.58)
 - open/close 4980 (time 1778535011.73 total 70.03 last 71.97)
total: 5000 open/close in 70.29 seconds: 71.13 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1778535016 ; total 0 ; last 0)
total: 5000 unlinks in 43 seconds: 116.279068 unlinks/second
fail_loc=0