== sanity test 60c: unlink file when mds full ============ 02:45:36 (1789454736)
create 5000 files
 - open/close 688 (time 1789454750.42 total 10.01 last 68.75)
 - open/close 1312 (time 1789454760.43 total 20.02 last 62.32)
 - open/close 1879 (time 1789454770.44 total 30.03 last 56.63)
 - open/close 2474 (time 1789454780.46 total 40.05 last 59.40)
 - open/close 3068 (time 1789454790.47 total 50.06 last 59.31)
 - open/close 3580 (time 1789454800.47 total 60.07 last 51.18)
 - open/close 4224 (time 1789454810.49 total 70.08 last 64.30)
 - open/close 4784 (time 1789454820.50 total 80.09 last 55.97)
total: 5000 open/close in 83.93 seconds: 59.58 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1789454829 ; total 0 ; last 0)
total: 5000 unlinks in 60 seconds: 83.333336 unlinks/second
fail_loc=0