== sanity test 60c: unlink file when mds full ============ 14:10:46 (1787854246)
create 5000 files
 - open/close 558 (time 1787854260.61 total 10.01 last 55.75)
 - open/close 1038 (time 1787854270.62 total 20.02 last 47.94)
 - open/close 1589 (time 1787854280.62 total 30.02 last 55.09)
 - open/close 2100 (time 1787854290.64 total 40.04 last 51.01)
 - open/close 2635 (time 1787854300.64 total 50.05 last 53.48)
 - open/close 3141 (time 1787854310.65 total 60.06 last 50.55)
 - open/close 3699 (time 1787854320.66 total 70.06 last 55.79)
 - open/close 4210 (time 1787854330.67 total 80.07 last 51.02)
 - open/close 4694 (time 1787854340.67 total 90.08 last 48.39)
total: 5000 open/close in 96.20 seconds: 51.97 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1787854351 ; total 0 ; last 0)
total: 5000 unlinks in 72 seconds: 69.444443 unlinks/second
fail_loc=0