== sanity test 60c: unlink file when mds full ============ 12:15:53 (1781280953)
create 5000 files
 - open/close 543 (time 1781280968.77 total 10.00 last 54.29)
 - open/close 1178 (time 1781280978.77 total 20.01 last 63.48)
 - open/close 1808 (time 1781280988.78 total 30.02 last 62.93)
 - open/close 2424 (time 1781280998.79 total 40.02 last 61.58)
 - open/close 3035 (time 1781281008.79 total 50.03 last 61.07)
 - open/close 3611 (time 1781281018.82 total 60.05 last 57.45)
 - open/close 4242 (time 1781281028.82 total 70.05 last 63.08)
 - open/close 4893 (time 1781281038.83 total 80.06 last 65.05)
total: 5000 open/close in 81.69 seconds: 61.21 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1781281045 ; total 0 ; last 0)
total: 5000 unlinks in 47 seconds: 106.382980 unlinks/second
fail_loc=0