== sanity test 60c: unlink file when mds full ============ 23:01:57 (1781233317)
create 5000 files
 - open/close 522 (time 1781233332.25 total 10.01 last 52.17)
 - open/close 1077 (time 1781233342.25 total 20.01 last 55.48)
 - open/close 1567 (time 1781233352.26 total 30.02 last 48.96)
 - open/close 2123 (time 1781233362.26 total 40.02 last 55.60)
 - open/close 2619 (time 1781233372.26 total 50.02 last 49.60)
 - open/close 3068 (time 1781233382.26 total 60.02 last 44.90)
 - open/close 3467 (time 1781233392.28 total 70.04 last 39.82)
 - open/close 3798 (time 1781233402.30 total 80.06 last 33.02)
 - open/close 4179 (time 1781233412.30 total 90.06 last 38.09)
 - open/close 4622 (time 1781233422.32 total 100.07 last 44.25)
total: 5000 open/close in 108.37 seconds: 46.14 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1781233435 ; total 0 ; last 0)
total: 5000 unlinks in 72 seconds: 69.444443 unlinks/second
fail_loc=0