== sanity test 60c: unlink file when mds full ============ 05:50:34 (1789984234)
create 5000 files
 - open/close 751 (time 1789984246.65 total 10.00 last 75.10)
 - open/close 1596 (time 1789984256.66 total 20.01 last 84.43)
 - open/close 2474 (time 1789984266.66 total 30.01 last 87.77)
 - open/close 3407 (time 1789984276.67 total 40.02 last 93.19)
 - open/close 4407 (time 1789984286.68 total 50.03 last 99.96)
total: 5000 open/close in 55.79 seconds: 89.62 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1789984294 ; total 0 ; last 0)
total: 5000 unlinks in 28 seconds: 178.571426 unlinks/second
fail_loc=0