== sanity test 60c: unlink file when mds full ============ 12:04:11 (1786464251)
create 5000 files
 - open/close 2128 (time 1786464262.75 total 10.01 last 212.64)
 - open/close 3861 (time 1786464272.76 total 20.01 last 173.27)
total: 5000 open/close in 29.71 seconds: 168.27 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1786464284 ; total 0 ; last 0)
total: 5000 unlinks in 24 seconds: 208.333328 unlinks/second
fail_loc=0