== sanity test 60c: unlink file when mds full ============ 23:56:25 (1788580585)
create 5000 files
 - open/close 533 (time 1788580599.53 total 10.00 last 53.28)
 - open/close 1072 (time 1788580609.54 total 20.01 last 53.89)
 - open/close 1620 (time 1788580619.55 total 30.02 last 54.73)
 - open/close 2109 (time 1788580629.55 total 40.02 last 48.89)
 - open/close 2557 (time 1788580639.55 total 50.02 last 44.80)
 - open/close 3012 (time 1788580649.58 total 60.05 last 45.35)
 - open/close 3416 (time 1788580659.60 total 70.07 last 40.33)
 - open/close 3863 (time 1788580669.61 total 80.08 last 44.64)
 - open/close 4322 (time 1788580679.62 total 90.09 last 45.86)
 - open/close 4746 (time 1788580689.63 total 100.10 last 42.36)
total: 5000 open/close in 105.23 seconds: 47.52 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1788580700 ; total 1 ; last 1)
total: 5000 unlinks in 73 seconds: 68.493149 unlinks/second
fail_loc=0