== sanity test 60c: unlink file when mds full ============ 12:23:50 (1772472230)
create 5000 files
 - open/close 494 (time 1772472244.72 total 10.03 last 49.27)
 - open/close 922 (time 1772472254.72 total 20.03 last 42.80)
 - open/close 1312 (time 1772472264.72 total 30.03 last 38.98)
 - open/close 1822 (time 1772472274.73 total 40.03 last 50.99)
 - open/close 2262 (time 1772472284.73 total 50.04 last 43.99)
 - open/close 2740 (time 1772472294.74 total 60.05 last 47.73)
 - open/close 3261 (time 1772472304.76 total 70.06 last 52.04)
 - open/close 3746 (time 1772472314.77 total 80.07 last 48.44)
 - open/close 4188 (time 1772472324.78 total 90.09 last 44.14)
 - open/close 4587 (time 1772472334.78 total 100.09 last 39.89)
total: 5000 open/close in 109.01 seconds: 45.87 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1772472349 ; total 0 ; last 0)
total: 5000 unlinks in 80 seconds: 62.500000 unlinks/second
fail_loc=0