== sanity test 60c: unlink file when mds full ============ 00:58:45 (1788929925)
create 5000 files
 - open/close 459 (time 1788929940.44 total 10.02 last 45.81)
 - open/close 911 (time 1788929950.44 total 20.02 last 45.20)
 - open/close 1345 (time 1788929960.45 total 30.02 last 43.38)
 - open/close 1770 (time 1788929970.46 total 40.04 last 42.44)
 - open/close 2184 (time 1788929980.46 total 50.04 last 41.40)
 - open/close 2704 (time 1788929990.47 total 60.04 last 51.97)
 - open/close 3187 (time 1788930000.49 total 70.06 last 48.21)
 - open/close 3635 (time 1788930010.50 total 80.08 last 44.74)
 - open/close 4065 (time 1788930020.52 total 90.09 last 42.92)
 - open/close 4515 (time 1788930030.53 total 100.10 last 44.97)
 - open/close 4943 (time 1788930040.55 total 110.12 last 42.71)
total: 5000 open/close in 111.38 seconds: 44.89 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1788930046 ; total 0 ; last 0)
total: 5000 unlinks in 67 seconds: 74.626869 unlinks/second
fail_loc=0