== sanity test 60c: unlink file when mds full ============ 00:57:31 (1789016251)
create 5000 files
 - open/close 543 (time 1789016265.77 total 10.00 last 54.30)
 - open/close 1169 (time 1789016275.77 total 20.01 last 62.55)
 - open/close 1804 (time 1789016285.79 total 30.02 last 63.41)
 - open/close 2459 (time 1789016295.80 total 40.03 last 65.43)
 - open/close 2975 (time 1789016305.81 total 50.05 last 51.53)
 - open/close 3374 (time 1789016315.81 total 60.05 last 39.89)
 - open/close 3951 (time 1789016325.83 total 70.06 last 57.62)
 - open/close 4444 (time 1789016335.83 total 80.07 last 49.27)
 - open/close 4927 (time 1789016345.84 total 90.07 last 48.30)
total: 5000 open/close in 91.63 seconds: 54.56 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1789016352 ; total 0 ; last 0)
total: 5000 unlinks in 65 seconds: 76.923080 unlinks/second
fail_loc=0