== sanity test 60c: unlink file when mds full ============ 03:03:50 (1787123030)
create 5000 files
 - open/close 485 (time 1787123047.53 total 10.01 last 48.45)
 - open/close 1012 (time 1787123057.54 total 20.02 last 52.64)
 - open/close 1588 (time 1787123067.55 total 30.04 last 57.51)
 - open/close 2124 (time 1787123077.56 total 40.04 last 53.58)
 - open/close 2694 (time 1787123087.56 total 50.05 last 56.95)
 - open/close 3146 (time 1787123097.57 total 60.05 last 45.19)
 - open/close 3620 (time 1787123107.58 total 70.06 last 47.35)
 - open/close 4115 (time 1787123117.59 total 80.07 last 49.44)
 - open/close 4592 (time 1787123127.59 total 90.07 last 47.69)
total: 5000 open/close in 99.31 seconds: 50.35 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1787123140 ; total 0 ; last 0)
total: 5000 unlinks in 64 seconds: 78.125000 unlinks/second
fail_loc=0