== sanity test 60c: unlink file when mds full ============ 10:55:00 (1776869700)
create 5000 files
 - open/close 1374 (time 1776869711.76 total 10.00 last 137.37)
 - open/close 2849 (time 1776869721.77 total 20.01 last 147.45)
 - open/close 4059 (time 1776869731.77 total 30.01 last 120.96)
total: 5000 open/close in 38.68 seconds: 129.25 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1776869742 ; total 0 ; last 0)
total: 5000 unlinks in 26 seconds: 192.307693 unlinks/second
fail_loc=0