== sanity test 60c: unlink file when mds full ============ 23:27:54 (1762489674)
create 5000 files
 - open/close 631 (time 1762489687.36 total 10.01 last 63.04)
 - open/close 1264 (time 1762489697.37 total 20.02 last 63.23)
 - open/close 1844 (time 1762489707.38 total 30.03 last 57.94)
 - open/close 2480 (time 1762489717.39 total 40.04 last 63.56)
 - open/close 3058 (time 1762489727.39 total 50.04 last 57.78)
 - open/close 3618 (time 1762489737.40 total 60.05 last 55.93)
 - open/close 4186 (time 1762489747.41 total 70.06 last 56.77)
 - open/close 4719 (time 1762489757.42 total 80.07 last 53.23)
total: 5000 open/close in 84.54 seconds: 59.14 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1762489764 ; total 0 ; last 0)
total: 5000 unlinks in 62 seconds: 80.645164 unlinks/second
fail_loc=0