== sanity test 60c: unlink file when mds full ============ 10:04:13 (1789999453)
create 5000 files
 - open/close 498 (time 1789999468.25 total 10.01 last 49.77)
 - open/close 955 (time 1789999478.26 total 20.01 last 45.68)
 - open/close 1388 (time 1789999488.26 total 30.01 last 43.28)
 - open/close 1780 (time 1789999498.27 total 40.02 last 39.17)
 - open/close 2267 (time 1789999508.28 total 50.03 last 48.64)
 - open/close 2730 (time 1789999518.30 total 60.06 last 46.20)
 - open/close 3070 (time 1789999528.31 total 70.07 last 33.96)
 - open/close 3479 (time 1789999538.33 total 80.08 last 40.84)
 - open/close 3838 (time 1789999548.36 total 90.11 last 35.79)
 - open/close 4117 (time 1789999558.40 total 100.15 last 27.79)
 - open/close 4483 (time 1789999568.42 total 110.17 last 36.53)
 - open/close 4750 (time 1789999578.45 total 120.21 last 26.61)
total: 5000 open/close in 129.20 seconds: 38.70 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1789999593 ; total 0 ; last 0)
total: 5000 unlinks in 81 seconds: 61.728394 unlinks/second
fail_loc=0