== sanity test 60c: unlink file when mds full ============ 17:23:43 (1717017823)
create 5000 files
 - open/close 1535 (time 1717017834.80 total 10.01 last 153.42)
 - open/close 3150 (time 1717017844.80 total 20.01 last 161.44)
 - open/close 4721 (time 1717017854.80 total 30.01 last 157.10)
total: 5000 open/close in 31.77 seconds: 157.38 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1717017858 ; total 0 ; last 0)
total: 5000 unlinks in 21 seconds: 238.095245 unlinks/second
fail_loc=0