== sanity test 60c: unlink file when mds full ============ 08:15:35 (1787832935)
create 5000 files
 - open/close 508 (time 1787832948.54 total 10.02 last 50.71)
 - open/close 1027 (time 1787832958.55 total 20.03 last 51.85)
 - open/close 1569 (time 1787832968.56 total 30.04 last 54.13)
 - open/close 2046 (time 1787832978.61 total 40.09 last 47.46)
 - open/close 2363 (time 1787832988.63 total 50.12 last 31.62)
 - open/close 2690 (time 1787832998.64 total 60.12 last 32.67)
 - open/close 3108 (time 1787833008.66 total 70.14 last 41.74)
 - open/close 3620 (time 1787833018.66 total 80.14 last 51.19)
 - open/close 4141 (time 1787833028.67 total 90.15 last 52.04)
 - open/close 4636 (time 1787833038.70 total 100.18 last 49.37)
total: 5000 open/close in 107.59 seconds: 46.47 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1787833050 ; total 0 ; last 0)
total: 5000 unlinks in 73 seconds: 68.493149 unlinks/second
fail_loc=0