== sanity test 60c: unlink file when mds full ============ 10:56:12 (1790952972)
create 5000 files
 - open/close 624 (time 1790952986.57 total 10.01 last 62.37)
 - open/close 1227 (time 1790952996.58 total 20.02 last 60.22)
 - open/close 1762 (time 1790953006.60 total 30.04 last 53.39)
 - open/close 2292 (time 1790953016.62 total 40.05 last 52.92)
 - open/close 2852 (time 1790953026.63 total 50.07 last 55.94)
 - open/close 3393 (time 1790953036.65 total 60.09 last 53.97)
 - open/close 3868 (time 1790953046.67 total 70.10 last 47.43)
 - open/close 4352 (time 1790953056.68 total 80.12 last 48.34)
 - open/close 4898 (time 1790953066.69 total 90.13 last 54.53)
total: 5000 open/close in 91.90 seconds: 54.41 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1790953072 ; total 0 ; last 0)
total: 5000 unlinks in 65 seconds: 76.923080 unlinks/second
fail_loc=0