== sanity test 60c: unlink file when mds full ============ 22:58:49 (1787367529)
create 5000 files
 - open/close 532 (time 1787367543.55 total 10.02 last 53.12)
 - open/close 990 (time 1787367553.56 total 20.02 last 45.76)
 - open/close 1466 (time 1787367563.57 total 30.03 last 47.57)
 - open/close 1976 (time 1787367573.57 total 40.04 last 50.98)
 - open/close 2475 (time 1787367583.59 total 50.05 last 49.80)
 - open/close 2973 (time 1787367593.61 total 60.07 last 49.72)
 - open/close 3488 (time 1787367603.62 total 70.09 last 51.41)
 - open/close 3968 (time 1787367613.63 total 80.10 last 47.95)
 - open/close 4470 (time 1787367623.67 total 90.13 last 50.02)
 - open/close 4918 (time 1787367633.67 total 100.14 last 44.79)
total: 5000 open/close in 101.86 seconds: 49.09 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1787367639 ; total 0 ; last 0)
total: 5000 unlinks in 71 seconds: 70.422539 unlinks/second
fail_loc=0