== sanity test 60c: unlink file when mds full ============ 19:07:14 (1788908834)
create 5000 files
 - open/close 841 (time 1788908847.03 total 10.00 last 84.09)
 - open/close 1571 (time 1788908857.05 total 20.01 last 72.92)
 - open/close 2325 (time 1788908867.06 total 30.02 last 75.32)
 - open/close 3039 (time 1788908877.06 total 40.03 last 71.34)
 - open/close 3708 (time 1788908887.07 total 50.04 last 66.85)
 - open/close 4446 (time 1788908897.09 total 60.05 last 73.70)
total: 5000 open/close in 67.57 seconds: 73.99 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1788908907 ; total 0 ; last 0)
total: 5000 unlinks in 48 seconds: 104.166664 unlinks/second
fail_loc=0