== sanity test 60c: unlink file when mds full ============ 19:08:11 (1788390491)
create 5000 files
 - open/close 584 (time 1788390505.39 total 10.02 last 58.31)
 - open/close 1094 (time 1788390515.41 total 20.04 last 50.87)
 - open/close 1635 (time 1788390525.42 total 30.05 last 54.06)
 - open/close 2168 (time 1788390535.42 total 40.05 last 53.28)
 - open/close 2683 (time 1788390545.43 total 50.06 last 51.47)
 - open/close 3207 (time 1788390555.44 total 60.07 last 52.36)
 - open/close 3724 (time 1788390565.45 total 70.08 last 51.64)
 - open/close 4223 (time 1788390575.46 total 80.09 last 49.85)
 - open/close 4775 (time 1788390585.46 total 90.09 last 55.17)
total: 5000 open/close in 94.61 seconds: 52.85 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1788390594 ; total 0 ; last 0)
total: 5000 unlinks in 69 seconds: 72.463768 unlinks/second
fail_loc=0