== sanity test 60c: unlink file when mds full ============ 05:58:33 (1778839113)
create 5000 files
 - open/close 1724 (time 1778839125.36 total 10.00 last 172.32)
 - open/close 3031 (time 1778839135.36 total 20.01 last 130.67)
 - open/close 4301 (time 1778839145.36 total 30.01 last 126.96)
total: 5000 open/close in 36.14 seconds: 138.35 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1778839153 ; total 0 ; last 0)
total: 5000 unlinks in 31 seconds: 161.290329 unlinks/second
fail_loc=0