== sanity test 60c: unlink file when mds full ============ 16:27:01 (1764106021)
create 5000 files
 - open/close 1630 (time 1764106033.15 total 10.00 last 163.00)
 - open/close 3326 (time 1764106043.16 total 20.01 last 169.49)
 - open/close 4948 (time 1764106053.16 total 30.01 last 162.19)
total: 5000 open/close in 30.32 seconds: 164.89 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1764106055 ; total 0 ; last 0)
total: 5000 unlinks in 27 seconds: 185.185181 unlinks/second
fail_loc=0