== sanity test 60c: unlink file when mds full ============ 21:08:53 (1781226533)
create 5000 files
 - open/close 1252 (time 1781226545.61 total 10.00 last 125.17)
 - open/close 2561 (time 1781226555.62 total 20.01 last 130.78)
 - open/close 3642 (time 1781226565.62 total 30.01 last 108.07)
 - open/close 4770 (time 1781226575.63 total 40.03 last 112.67)
total: 5000 open/close in 42.50 seconds: 117.64 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1781226580 ; total 0 ; last 0)
total: 5000 unlinks in 28 seconds: 178.571426 unlinks/second
fail_loc=0