== sanity test 60c: unlink file when mds full ============ 21:01:00 (1788829260)
create 5000 files
 - open/close 781 (time 1788829272.71 total 10.00 last 78.08)
 - open/close 1505 (time 1788829282.73 total 20.02 last 72.27)
 - open/close 2253 (time 1788829292.74 total 30.04 last 74.69)
 - open/close 2983 (time 1788829302.75 total 40.04 last 72.98)
 - open/close 3666 (time 1788829312.76 total 50.05 last 68.23)
 - open/close 4298 (time 1788829322.76 total 60.06 last 63.16)
 - open/close 4939 (time 1788829332.77 total 70.06 last 64.07)
total: 5000 open/close in 71.04 seconds: 70.38 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1788829336 ; total 0 ; last 0)
total: 5000 unlinks in 52 seconds: 96.153847 unlinks/second
fail_loc=0