== sanity test 60c: unlink file when mds full ============ 19:25:46 (1784935546)
create 5000 files
 - open/close 406 (time 1784935561.20 total 10.00 last 40.59)
 - open/close 803 (time 1784935571.22 total 20.02 last 39.64)
 - open/close 1165 (time 1784935581.24 total 30.04 last 36.13)
 - open/close 1592 (time 1784935591.27 total 40.06 last 42.59)
 - open/close 1986 (time 1784935601.31 total 50.10 last 39.24)
 - open/close 2349 (time 1784935611.33 total 60.13 last 36.21)
 - open/close 2754 (time 1784935621.34 total 70.14 last 40.45)
 - open/close 3170 (time 1784935631.35 total 80.15 last 41.55)
 - open/close 3547 (time 1784935641.37 total 90.17 last 37.65)
 - open/close 3924 (time 1784935651.39 total 100.19 last 37.62)
 - open/close 4307 (time 1784935661.39 total 110.19 last 38.30)
 - open/close 4680 (time 1784935671.39 total 120.19 last 37.30)
total: 5000 open/close in 129.43 seconds: 38.63 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1784935685 ; total 0 ; last 0)
total: 5000 unlinks in 84 seconds: 59.523811 unlinks/second
fail_loc=0