== sanity test 60c: unlink file when mds full ============ 15:29:14 (1778354954)
create 5000 files
 - open/close 1302 (time 1778354965.77 total 10.00 last 130.16)
 - open/close 3512 (time 1778354975.77 total 20.00 last 220.96)
total: 5000 open/close in 29.09 seconds: 171.85 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1778354986 ; total 0 ; last 0)
total: 5000 unlinks in 17 seconds: 294.117645 unlinks/second
fail_loc=0