== sanity test 60c: unlink file when mds full ============ 08:23:24 (1790771004)
create 5000 files
 - open/close 433 (time 1790771019.66 total 10.01 last 43.26)
 - open/close 896 (time 1790771029.69 total 20.04 last 46.17)
 - open/close 1348 (time 1790771039.73 total 30.07 last 45.05)
 - open/close 1898 (time 1790771049.74 total 40.08 last 54.94)
 - open/close 2404 (time 1790771059.76 total 50.10 last 50.49)
 - open/close 2837 (time 1790771069.76 total 60.11 last 43.28)
 - open/close 3336 (time 1790771079.77 total 70.11 last 49.88)
 - open/close 3845 (time 1790771089.78 total 80.12 last 50.84)
 - open/close 4366 (time 1790771099.81 total 90.15 last 51.96)
 - open/close 4760 (time 1790771109.83 total 100.17 last 39.30)
total: 5000 open/close in 105.77 seconds: 47.27 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1790771120 ; total 0 ; last 0)
total: 5000 unlinks in 73 seconds: 68.493149 unlinks/second
fail_loc=0