== sanity test 60c: unlink file when mds full ============ 11:32:54 (1788881574)
create 5000 files
 - open/close 827 (time 1788881586.77 total 10.00 last 82.70)
 - open/close 1567 (time 1788881596.79 total 20.02 last 73.85)
 - open/close 2321 (time 1788881606.80 total 30.03 last 75.36)
 - open/close 3050 (time 1788881616.81 total 40.04 last 72.79)
 - open/close 3827 (time 1788881626.82 total 50.04 last 77.68)
 - open/close 4770 (time 1788881636.82 total 60.05 last 94.24)
total: 5000 open/close in 62.65 seconds: 79.81 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1788881641 ; total 0 ; last 0)
total: 5000 unlinks in 28 seconds: 178.571426 unlinks/second
fail_loc=0