== sanity test 60c: unlink file when mds full ============ 01:15:40 (1787548540)
create 5000 files
 - open/close 550 (time 1787548554.78 total 10.01 last 54.97)
 - open/close 1172 (time 1787548564.79 total 20.02 last 62.12)
 - open/close 1677 (time 1787548574.80 total 30.03 last 50.45)
 - open/close 2262 (time 1787548584.80 total 40.03 last 58.49)
 - open/close 2803 (time 1787548594.81 total 50.04 last 54.04)
 - open/close 3394 (time 1787548604.82 total 60.05 last 59.07)
 - open/close 3980 (time 1787548614.82 total 70.05 last 58.59)
 - open/close 4542 (time 1787548624.82 total 80.05 last 56.17)
total: 5000 open/close in 87.49 seconds: 57.15 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1787548636 ; total 0 ; last 0)
total: 5000 unlinks in 67 seconds: 74.626869 unlinks/second
fail_loc=0