== sanity test 60c: unlink file when mds full ============ 10:33:35 (1786631615)
create 5000 files
 - open/close 527 (time 1786631629.87 total 10.03 last 52.57)
 - open/close 1053 (time 1786631639.87 total 20.03 last 52.55)
 - open/close 1577 (time 1786631649.89 total 30.05 last 52.34)
 - open/close 2094 (time 1786631659.90 total 40.06 last 51.64)
 - open/close 2582 (time 1786631669.90 total 50.06 last 48.77)
 - open/close 3035 (time 1786631679.90 total 60.06 last 45.29)
 - open/close 3524 (time 1786631689.92 total 70.08 last 48.82)
 - open/close 3964 (time 1786631699.93 total 80.09 last 43.98)
 - open/close 4427 (time 1786631709.94 total 90.10 last 46.25)
 - open/close 4890 (time 1786631719.95 total 100.11 last 46.25)
total: 5000 open/close in 102.63 seconds: 48.72 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1786631728 ; total 0 ; last 0)
total: 5000 unlinks in 81 seconds: 61.728394 unlinks/second
fail_loc=0