== sanity test 60c: unlink file when mds full ============ 23:28:33 (1788665313)
create 5000 files
 - open/close 463 (time 1788665328.40 total 10.00 last 46.29)
 - open/close 952 (time 1788665338.44 total 20.04 last 48.73)
 - open/close 1426 (time 1788665348.45 total 30.04 last 47.36)
 - open/close 1860 (time 1788665358.45 total 40.05 last 43.37)
 - open/close 2289 (time 1788665368.46 total 50.06 last 42.87)
 - open/close 2699 (time 1788665378.47 total 60.07 last 40.96)
 - open/close 3169 (time 1788665388.49 total 70.08 last 46.91)
 - open/close 3647 (time 1788665398.49 total 80.09 last 47.80)
 - open/close 4112 (time 1788665408.49 total 90.09 last 46.47)
 - open/close 4561 (time 1788665418.51 total 100.10 last 44.84)
total: 5000 open/close in 109.89 seconds: 45.50 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1788665432 ; total 0 ; last 0)
total: 5000 unlinks in 79 seconds: 63.291138 unlinks/second
fail_loc=0