== sanity test 60c: unlink file when mds full ============ 01:41:49 (1788586909)
create 5000 files
 - open/close 592 (time 1788586922.53 total 10.00 last 59.19)
 - open/close 1163 (time 1788586932.53 total 20.00 last 57.09)
 - open/close 1722 (time 1788586942.54 total 30.02 last 55.83)
 - open/close 2260 (time 1788586952.55 total 40.02 last 53.75)
 - open/close 2801 (time 1788586962.55 total 50.03 last 54.10)
 - open/close 3319 (time 1788586972.58 total 60.05 last 51.66)
 - open/close 3906 (time 1788586982.59 total 70.06 last 58.65)
 - open/close 4399 (time 1788586992.60 total 80.08 last 49.23)
 - open/close 4907 (time 1788587002.63 total 90.10 last 50.68)
total: 5000 open/close in 91.82 seconds: 54.45 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1788587007 ; total 0 ; last 0)
total: 5000 unlinks in 67 seconds: 74.626869 unlinks/second
fail_loc=0