== sanity test 60c: unlink file when mds full ============ 04:10:26 (1787818226)
create 5000 files
 - open/close 480 (time 1787818241.33 total 10.01 last 47.95)
 - open/close 946 (time 1787818251.34 total 20.02 last 46.56)
 - open/close 1471 (time 1787818261.35 total 30.04 last 52.42)
 - open/close 1908 (time 1787818271.36 total 40.04 last 43.69)
 - open/close 2521 (time 1787818281.37 total 50.05 last 61.23)
 - open/close 3158 (time 1787818291.39 total 60.07 last 63.58)
 - open/close 3717 (time 1787818301.39 total 70.07 last 55.90)
 - open/close 4224 (time 1787818311.39 total 80.07 last 50.70)
 - open/close 4792 (time 1787818321.39 total 90.07 last 56.77)
total: 5000 open/close in 93.38 seconds: 53.55 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1787818328 ; total 0 ; last 0)
total: 5000 unlinks in 72 seconds: 69.444443 unlinks/second
fail_loc=0