== sanity test 60c: unlink file when mds full ============ 14:39:43 (1789065583)
create 5000 files
 - open/close 562 (time 1789065597.40 total 10.02 last 56.11)
 - open/close 1084 (time 1789065607.43 total 20.04 last 52.06)
 - open/close 1625 (time 1789065617.45 total 30.06 last 53.99)
 - open/close 2149 (time 1789065627.45 total 40.07 last 52.36)
 - open/close 2771 (time 1789065637.47 total 50.09 last 62.07)
 - open/close 3347 (time 1789065647.48 total 60.10 last 57.58)
 - open/close 3832 (time 1789065657.51 total 70.12 last 48.37)
 - open/close 4317 (time 1789065667.52 total 80.14 last 48.45)
 - open/close 4796 (time 1789065677.52 total 90.14 last 47.89)
total: 5000 open/close in 93.53 seconds: 53.46 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1789065685 ; total 0 ; last 0)
total: 5000 unlinks in 63 seconds: 79.365082 unlinks/second
fail_loc=0