== sanity test 60c: unlink file when mds full ============ 10:57:15 (1772467035)
create 5000 files
 - open/close 633 (time 1772467049.50 total 10.00 last 63.27)
 - open/close 1217 (time 1772467059.51 total 20.02 last 58.33)
 - open/close 1811 (time 1772467069.53 total 30.04 last 59.28)
 - open/close 2406 (time 1772467079.53 total 40.04 last 59.49)
 - open/close 3000 (time 1772467089.54 total 50.05 last 59.34)
 - open/close 3585 (time 1772467099.55 total 60.06 last 58.47)
 - open/close 4247 (time 1772467109.57 total 70.07 last 66.09)
 - open/close 4935 (time 1772467119.59 total 80.10 last 68.61)
total: 5000 open/close in 81.11 seconds: 61.65 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1772467123 ; total 0 ; last 0)
total: 5000 unlinks in 53 seconds: 94.339622 unlinks/second
fail_loc=0