== sanity test 60c: unlink file when mds full ============ 19:02:28 (1775862148)
create 5000 files
 - open/close 1303 (time 1775862161.18 total 10.00 last 130.26)
 - open/close 2891 (time 1775862171.19 total 20.01 last 158.68)
 - open/close 4501 (time 1775862181.19 total 30.01 last 160.95)
total: 5000 open/close in 33.43 seconds: 149.58 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1775862186 ; total 0 ; last 0)
total: 5000 unlinks in 25 seconds: 200.000000 unlinks/second
fail_loc=0