== sanity test 60c: unlink file when mds full ============ 16:27:01 (1746131221)
create 5000 files
 - open/close 1019 (time 1746131233.10 total 10.00 last 101.88)
 - open/close 2566 (time 1746131243.10 total 20.01 last 154.65)
 - open/close 3870 (time 1746131253.11 total 30.01 last 130.35)
total: 5000 open/close in 37.55 seconds: 133.17 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1746131261 ; total 0 ; last 0)
total: 5000 unlinks in 18 seconds: 277.777771 unlinks/second
fail_loc=0