== sanity test 60c: unlink file when mds full ============ 11:55:05 (1777910105)
create 5000 files
 - open/close 810 (time 1777910117.25 total 10.02 last 80.85)
 - open/close 1587 (time 1777910127.26 total 20.02 last 77.67)
 - open/close 2461 (time 1777910137.27 total 30.04 last 87.27)
 - open/close 3363 (time 1777910147.27 total 40.04 last 90.18)
 - open/close 4407 (time 1777910157.28 total 50.04 last 104.34)
total: 5000 open/close in 55.39 seconds: 90.27 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1777910164 ; total 0 ; last 0)
total: 5000 unlinks in 31 seconds: 161.290329 unlinks/second
fail_loc=0