== sanity test 60c: unlink file when mds full ============ 14:28:56 (1790879336)
create 5000 files
 - open/close 1165 (time 1790879348.46 total 10.01 last 116.42)
 - open/close 2298 (time 1790879358.46 total 20.01 last 113.27)
 - open/close 3929 (time 1790879368.47 total 30.02 last 163.00)
total: 5000 open/close in 38.15 seconds: 131.06 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1790879378 ; total 0 ; last 0)
total: 5000 unlinks in 21 seconds: 238.095245 unlinks/second
fail_loc=0