== sanity test 60c: unlink file when mds full ============ 17:49:53 (1786744193)
create 5000 files
 - open/close 497 (time 1786744208.60 total 10.02 last 49.60)
 - open/close 1014 (time 1786744218.61 total 20.03 last 51.66)
 - open/close 1542 (time 1786744228.61 total 30.04 last 52.76)
 - open/close 2106 (time 1786744238.62 total 40.04 last 56.37)
 - open/close 2583 (time 1786744248.63 total 50.05 last 47.67)
 - open/close 3114 (time 1786744258.65 total 60.07 last 52.98)
 - open/close 3670 (time 1786744268.65 total 70.07 last 55.59)
 - open/close 4160 (time 1786744278.65 total 80.07 last 49.00)
 - open/close 4647 (time 1786744288.66 total 90.08 last 48.64)
total: 5000 open/close in 97.22 seconds: 51.43 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1786744300 ; total 0 ; last 0)
total: 5000 unlinks in 72 seconds: 69.444443 unlinks/second
fail_loc=0