== sanity test 60c: unlink file when mds full ============ 02:18:46 (1789021126)
create 5000 files
 - open/close 442 (time 1789021141.62 total 10.03 last 44.05)
 - open/close 815 (time 1789021151.63 total 20.05 last 37.24)
 - open/close 1235 (time 1789021161.64 total 30.05 last 41.98)
 - open/close 1684 (time 1789021171.65 total 40.07 last 44.83)
 - open/close 2142 (time 1789021181.69 total 50.11 last 45.62)
 - open/close 2542 (time 1789021191.71 total 60.13 last 39.92)
 - open/close 2880 (time 1789021201.74 total 70.15 last 33.71)
 - open/close 3169 (time 1789021211.74 total 80.16 last 28.89)
 - open/close 3516 (time 1789021221.77 total 90.18 last 34.61)
 - open/close 3831 (time 1789021231.79 total 100.21 last 31.42)
 - open/close 4113 (time 1789021241.80 total 110.22 last 28.17)
 - open/close 4510 (time 1789021251.82 total 120.24 last 39.62)
 - open/close 4850 (time 1789021261.82 total 130.24 last 34.00)
total: 5000 open/close in 134.63 seconds: 37.14 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1789021272 ; total 0 ; last 0)
total: 5000 unlinks in 87 seconds: 57.471264 unlinks/second
fail_loc=0