== sanity test 60c: unlink file when mds full ============ 22:08:24 (1788746904)
create 5000 files
 - open/close 551 (time 1788746918.53 total 10.01 last 55.03)
 - open/close 1091 (time 1788746928.54 total 20.01 last 53.99)
 - open/close 1598 (time 1788746938.54 total 30.02 last 50.69)
 - open/close 2165 (time 1788746948.54 total 40.02 last 56.67)
 - open/close 2708 (time 1788746958.55 total 50.03 last 54.25)
 - open/close 3272 (time 1788746968.56 total 60.04 last 56.36)
 - open/close 3736 (time 1788746978.59 total 70.07 last 46.25)
 - open/close 4266 (time 1788746988.60 total 80.08 last 52.95)
 - open/close 4779 (time 1788746998.60 total 90.08 last 51.29)
total: 5000 open/close in 94.56 seconds: 52.88 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1788747007 ; total 0 ; last 0)
total: 5000 unlinks in 65 seconds: 76.923080 unlinks/second
fail_loc=0