== sanity test 60c: unlink file when mds full ============ 21:45:15 (1781660715)
create 5000 files
 - open/close 1655 (time 1781660727.07 total 10.00 last 165.45)
 - open/close 3100 (time 1781660737.07 total 20.00 last 144.47)
 - open/close 4299 (time 1781660747.08 total 30.02 last 119.73)
total: 5000 open/close in 35.55 seconds: 140.67 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1781660754 ; total 0 ; last 0)
total: 5000 unlinks in 25 seconds: 200.000000 unlinks/second
fail_loc=0