== sanity test 60c: unlink file when mds full ============ 09:13:20 (1782220400)
create 5000 files
 - open/close 620 (time 1782220413.72 total 10.01 last 61.92)
 - open/close 1272 (time 1782220423.73 total 20.03 last 65.12)
 - open/close 1900 (time 1782220433.74 total 30.03 last 62.78)
 - open/close 2539 (time 1782220443.75 total 40.05 last 63.80)
 - open/close 3159 (time 1782220453.76 total 50.05 last 61.96)
 - open/close 3750 (time 1782220463.77 total 60.06 last 59.05)
 - open/close 4259 (time 1782220473.78 total 70.07 last 50.84)
 - open/close 4804 (time 1782220483.78 total 80.08 last 54.48)
total: 5000 open/close in 83.14 seconds: 60.14 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1782220490 ; total 0 ; last 0)
total: 5000 unlinks in 61 seconds: 81.967216 unlinks/second
fail_loc=0