== sanity test 60c: unlink file when mds full ============ 18:10:30 (1736982630)
create 5000 files
 - open/close 1752 (time 1736982642.11 total 10.01 last 175.08)
 - open/close 3247 (time 1736982652.11 total 20.01 last 149.44)
total: 5000 open/close in 26.54 seconds: 188.41 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1736982659 ; total 0 ; last 0)
total: 5000 unlinks in 11 seconds: 454.545441 unlinks/second
fail_loc=0