== sanity test 60c: unlink file when mds full ============ 02:59:40 (1739519980)
create 5000 files
 - open/close 777 (time 1739519992.40 total 10.01 last 77.58)
 - open/close 1601 (time 1739520002.41 total 20.02 last 82.36)
 - open/close 2357 (time 1739520012.41 total 30.02 last 75.58)
 - open/close 3150 (time 1739520022.42 total 40.03 last 79.20)
 - open/close 3993 (time 1739520032.43 total 50.04 last 84.28)
 - open/close 4860 (time 1739520042.43 total 60.04 last 86.66)
total: 5000 open/close in 62.03 seconds: 80.61 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1739520046 ; total 0 ; last 0)
total: 5000 unlinks in 45 seconds: 111.111115 unlinks/second
fail_loc=0