== sanity test 60c: unlink file when mds full ============ 21:18:50 (1775870330)
create 5000 files
 - open/close 479 (time 1775870344.47 total 10.02 last 47.82)
 - open/close 1004 (time 1775870354.48 total 20.03 last 52.43)
 - open/close 1487 (time 1775870364.48 total 30.03 last 48.29)
 - open/close 1947 (time 1775870374.50 total 40.05 last 45.93)
 - open/close 2453 (time 1775870384.50 total 50.05 last 50.58)
 - open/close 2913 (time 1775870394.54 total 60.09 last 45.85)
 - open/close 3352 (time 1775870404.55 total 70.10 last 43.83)
 - open/close 3829 (time 1775870414.56 total 80.11 last 47.67)
 - open/close 4333 (time 1775870424.58 total 90.13 last 50.28)
 - open/close 4799 (time 1775870434.59 total 100.14 last 46.56)
total: 5000 open/close in 104.58 seconds: 47.81 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1775870443 ; total 0 ; last 0)
total: 5000 unlinks in 74 seconds: 67.567566 unlinks/second
fail_loc=0