== sanity test 60c: unlink file when mds full ============ 09:54:41 (1781272481)
create 5000 files
 - open/close 443 (time 1781272495.74 total 10.01 last 44.25)
 - open/close 891 (time 1781272505.76 total 20.03 last 44.74)
 - open/close 1357 (time 1781272515.77 total 30.04 last 46.52)
 - open/close 1806 (time 1781272525.79 total 40.06 last 44.81)
 - open/close 2239 (time 1781272535.82 total 50.09 last 43.17)
 - open/close 2710 (time 1781272545.83 total 60.09 last 47.09)
 - open/close 3146 (time 1781272555.83 total 70.10 last 43.57)
 - open/close 3593 (time 1781272565.84 total 80.11 last 44.67)
 - open/close 4045 (time 1781272575.85 total 90.12 last 45.16)
 - open/close 4460 (time 1781272585.85 total 100.12 last 41.48)
 - open/close 4883 (time 1781272595.86 total 110.13 last 42.28)
total: 5000 open/close in 112.68 seconds: 44.37 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1781272602 ; total 0 ; last 0)
total: 5000 unlinks in 83 seconds: 60.240963 unlinks/second
fail_loc=0