== sanity test 60c: unlink file when mds full ============ 10:29:24 (1788359364)
create 5000 files
 - open/close 592 (time 1788359378.89 total 10.01 last 59.14)
 - open/close 1325 (time 1788359388.90 total 20.02 last 73.23)
 - open/close 2030 (time 1788359398.91 total 30.03 last 70.44)
 - open/close 2700 (time 1788359408.91 total 40.03 last 66.99)
 - open/close 3382 (time 1788359418.92 total 50.04 last 68.14)
 - open/close 4119 (time 1788359428.93 total 60.04 last 73.65)
 - open/close 4833 (time 1788359438.94 total 70.05 last 71.33)
total: 5000 open/close in 72.28 seconds: 69.18 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1788359443 ; total 0 ; last 0)
total: 5000 unlinks in 43 seconds: 116.279068 unlinks/second
fail_loc=0