== sanity test 60c: unlink file when mds full ============ 15:55:22 (1787601322)
create 5000 files
 - open/close 363 (time 1787601337.63 total 10.01 last 36.26)
 - open/close 860 (time 1787601347.65 total 20.02 last 49.63)
 - open/close 1281 (time 1787601357.65 total 30.03 last 42.07)
 - open/close 1736 (time 1787601367.66 total 40.04 last 45.48)
 - open/close 2235 (time 1787601377.67 total 50.05 last 49.85)
 - open/close 2708 (time 1787601387.69 total 60.07 last 47.21)
 - open/close 3170 (time 1787601397.72 total 70.09 last 46.07)
 - open/close 3647 (time 1787601407.72 total 80.10 last 47.68)
 - open/close 4126 (time 1787601417.73 total 90.11 last 47.86)
 - open/close 4626 (time 1787601427.74 total 100.12 last 49.94)
total: 5000 open/close in 108.87 seconds: 45.93 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1787601441 ; total 0 ; last 0)
total: 5000 unlinks in 75 seconds: 66.666664 unlinks/second
fail_loc=0