== sanity test 60c: unlink file when mds full ============ 13:08:15 (1758733695)
create 5000 files
 - open/close 717 (time 1758733707.95 total 10.00 last 71.67)
 - open/close 1307 (time 1758733717.96 total 20.02 last 58.93)
 - open/close 1970 (time 1758733727.97 total 30.03 last 66.23)
 - open/close 2656 (time 1758733737.97 total 40.03 last 68.60)
 - open/close 3272 (time 1758733747.98 total 50.04 last 61.55)
 - open/close 3859 (time 1758733757.99 total 60.05 last 58.60)
 - open/close 4454 (time 1758733768.02 total 70.08 last 59.35)
total: 5000 open/close in 79.57 seconds: 62.84 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1758733780 ; total 0 ; last 0)
total: 5000 unlinks in 56 seconds: 89.285713 unlinks/second
fail_loc=0