== sanity test 60c: unlink file when mds full ============ 14:06:12 (1789063572)
create 5000 files
 - open/close 408 (time 1789063587.97 total 10.01 last 40.74)
 - open/close 836 (time 1789063597.98 total 20.03 last 42.75)
 - open/close 1280 (time 1789063607.99 total 30.04 last 44.34)
 - open/close 1668 (time 1789063618.02 total 40.07 last 38.69)
 - open/close 2103 (time 1789063628.04 total 50.09 last 43.39)
 - open/close 2456 (time 1789063638.09 total 60.14 last 35.14)
 - open/close 2838 (time 1789063648.10 total 70.15 last 38.18)
 - open/close 3231 (time 1789063658.13 total 80.18 last 39.17)
 - open/close 3641 (time 1789063668.14 total 90.19 last 40.96)
 - open/close 3986 (time 1789063678.15 total 100.20 last 34.45)
 - open/close 4297 (time 1789063688.18 total 110.23 last 31.02)
 - open/close 4553 (time 1789063698.22 total 120.26 last 25.51)
 - open/close 4867 (time 1789063708.24 total 130.28 last 31.34)
total: 5000 open/close in 134.47 seconds: 37.18 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1789063717 ; total 0 ; last 0)
total: 5000 unlinks in 91 seconds: 54.945053 unlinks/second
fail_loc=0