== sanity test 60c: unlink file when mds full ============ 10:46:50 (1782485210)
create 5000 files
 - open/close 651 (time 1782485224.05 total 10.00 last 65.08)
 - open/close 1229 (time 1782485234.06 total 20.01 last 57.77)
 - open/close 1847 (time 1782485244.06 total 30.01 last 61.78)
 - open/close 2486 (time 1782485254.07 total 40.02 last 63.87)
 - open/close 3148 (time 1782485264.08 total 50.03 last 66.10)
 - open/close 3823 (time 1782485274.08 total 60.03 last 67.49)
 - open/close 4433 (time 1782485284.10 total 70.05 last 60.93)
total: 5000 open/close in 79.33 seconds: 63.03 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1782485296 ; total 0 ; last 0)
total: 5000 unlinks in 52 seconds: 96.153847 unlinks/second
fail_loc=0