== sanity test 60c: unlink file when mds full ============ 04:49:45 (1787820585)
create 5000 files
 - open/close 425 (time 1787820600.06 total 10.01 last 42.44)
 - open/close 831 (time 1787820610.06 total 20.02 last 40.58)
 - open/close 1269 (time 1787820620.08 total 30.03 last 43.73)
 - open/close 1809 (time 1787820630.09 total 40.04 last 53.96)
 - open/close 2351 (time 1787820640.09 total 50.05 last 54.16)
 - open/close 2902 (time 1787820650.11 total 60.06 last 55.03)
 - open/close 3410 (time 1787820660.11 total 70.07 last 50.76)
 - open/close 3904 (time 1787820670.12 total 80.08 last 49.37)
 - open/close 4418 (time 1787820680.13 total 90.09 last 51.35)
 - open/close 4854 (time 1787820690.14 total 100.10 last 43.56)
total: 5000 open/close in 104.13 seconds: 48.02 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1787820699 ; total 0 ; last 0)
total: 5000 unlinks in 70 seconds: 71.428574 unlinks/second
fail_loc=0