== sanity test 60c: unlink file when mds full ============ 11:50:10 (1786809010)
create 5000 files
 - open/close 437 (time 1786809026.04 total 10.04 last 43.54)
 - open/close 837 (time 1786809036.06 total 20.05 last 39.95)
 - open/close 1268 (time 1786809046.07 total 30.06 last 43.03)
 - open/close 1752 (time 1786809056.08 total 40.07 last 48.36)
 - open/close 2251 (time 1786809066.08 total 50.07 last 49.89)
 - open/close 2693 (time 1786809076.09 total 60.08 last 44.18)
 - open/close 3143 (time 1786809086.10 total 70.09 last 44.95)
 - open/close 3673 (time 1786809096.11 total 80.10 last 52.92)
 - open/close 4147 (time 1786809106.12 total 90.11 last 47.38)
 - open/close 4562 (time 1786809116.12 total 100.11 last 41.49)
total: 5000 open/close in 108.35 seconds: 46.15 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1786809128 ; total 0 ; last 0)
total: 5000 unlinks in 102 seconds: 49.019608 unlinks/second
fail_loc=0