== sanity test 60c: unlink file when mds full ============ 05:38:12 (1783071492)
create 5000 files
 - open/close 504 (time 1783071505.86 total 10.00 last 50.38)
 - open/close 1032 (time 1783071515.86 total 20.01 last 52.77)
 - open/close 1571 (time 1783071525.88 total 30.03 last 53.82)
 - open/close 2146 (time 1783071535.89 total 40.03 last 57.46)
 - open/close 2720 (time 1783071545.90 total 50.04 last 57.35)
 - open/close 3293 (time 1783071555.91 total 60.06 last 57.21)
 - open/close 3831 (time 1783071565.92 total 70.06 last 53.77)
 - open/close 4351 (time 1783071575.93 total 80.07 last 51.95)
 - open/close 4869 (time 1783071585.93 total 90.08 last 51.77)
total: 5000 open/close in 92.53 seconds: 54.04 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1783071592 ; total 0 ; last 0)
total: 5000 unlinks in 66 seconds: 75.757576 unlinks/second
fail_loc=0