== sanity test 60c: unlink file when mds full ============ 19:13:42 (1781046822)
create 5000 files
 - open/close 1889 (time 1781046834.36 total 10.00 last 188.87)
 - open/close 3552 (time 1781046844.37 total 20.01 last 166.20)
total: 5000 open/close in 26.89 seconds: 185.95 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1781046852 ; total 0 ; last 0)
total: 5000 unlinks in 15 seconds: 333.333344 unlinks/second
fail_loc=0