== sanity test 60c: unlink file when mds full ============ 22:40:50 (1784169650)
create 5000 files
 - open/close 2779 (time 1784169661.30 total 10.00 last 277.82)
 - open/close 4634 (time 1784169671.31 total 20.00 last 185.47)
total: 5000 open/close in 22.47 seconds: 222.47 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1784169675 ; total 0 ; last 0)
total: 5000 unlinks in 17 seconds: 294.117645 unlinks/second
fail_loc=0