== sanity test 60c: unlink file when mds full ============ 15:46:53 (1784404013)
create 5000 files
 - open/close 395 (time 1784404028.77 total 10.00 last 39.48)
 - open/close 881 (time 1784404038.79 total 20.02 last 48.53)
 - open/close 1335 (time 1784404048.81 total 30.04 last 45.30)
 - open/close 1778 (time 1784404058.84 total 40.07 last 44.18)
 - open/close 2218 (time 1784404068.84 total 50.07 last 43.99)
 - open/close 2711 (time 1784404078.84 total 60.07 last 49.29)
 - open/close 3140 (time 1784404088.85 total 70.08 last 42.85)
 - open/close 3610 (time 1784404098.87 total 80.10 last 46.92)
 - open/close 4103 (time 1784404108.87 total 90.10 last 49.27)
 - open/close 4527 (time 1784404118.88 total 100.11 last 42.38)
 - open/close 4980 (time 1784404128.88 total 110.11 last 45.29)
total: 5000 open/close in 110.56 seconds: 45.22 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1784404134 ; total 0 ; last 0)
total: 5000 unlinks in 74 seconds: 67.567566 unlinks/second
fail_loc=0