== sanity test 60c: unlink file when mds full ============ 21:12:37 (1789607557)
create 5000 files
 - open/close 666 (time 1789607573.02 total 10.01 last 66.55)
 - open/close 1163 (time 1789607583.03 total 20.01 last 49.68)
 - open/close 1707 (time 1789607593.03 total 30.02 last 54.38)
 - open/close 2158 (time 1789607603.04 total 40.03 last 45.05)
 - open/close 2751 (time 1789607613.05 total 50.04 last 59.24)
 - open/close 3298 (time 1789607623.06 total 60.05 last 54.65)
 - open/close 3908 (time 1789607633.07 total 70.06 last 60.93)
 - open/close 4521 (time 1789607643.07 total 80.06 last 61.28)
total: 5000 open/close in 87.51 seconds: 57.13 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1789607655 ; total 0 ; last 0)
total: 5000 unlinks in 57 seconds: 87.719299 unlinks/second
fail_loc=0