== sanity test 60c: unlink file when mds full ============ 12:55:56 (1772906156)
create 5000 files
 - open/close 1931 (time 1772906168.34 total 10.00 last 193.05)
 - open/close 3462 (time 1772906178.34 total 20.00 last 153.10)
 - open/close 4572 (time 1772906188.34 total 30.01 last 110.93)
total: 5000 open/close in 34.18 seconds: 146.29 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1772906194 ; total 0 ; last 0)
total: 5000 unlinks in 29 seconds: 172.413788 unlinks/second
fail_loc=0