== sanity test 60c: unlink file when mds full ============ 10:56:26 (1783349786)
create 5000 files
 - open/close 732 (time 1783349798.94 total 10.01 last 73.13)
 - open/close 1449 (time 1783349808.94 total 20.01 last 71.70)
 - open/close 2135 (time 1783349818.94 total 30.01 last 68.59)
 - open/close 2866 (time 1783349828.95 total 40.02 last 73.06)
 - open/close 3498 (time 1783349838.96 total 50.03 last 63.13)
 - open/close 4096 (time 1783349848.96 total 60.03 last 59.80)
 - open/close 4674 (time 1783349858.98 total 70.05 last 57.66)
total: 5000 open/close in 75.71 seconds: 66.05 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1783349868 ; total 0 ; last 0)
total: 5000 unlinks in 80 seconds: 62.500000 unlinks/second
fail_loc=0