== sanity test 60c: unlink file when mds full ============ 21:02:06 (1708826526)
create 5000 files
 - open/close 1606 (time 1708826538.04 total 10.00 last 160.54)
 - open/close 3453 (time 1708826548.04 total 20.01 last 184.67)
total: 5000 open/close in 27.37 seconds: 182.70 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1708826556 ; total 0 ; last 0)
total: 5000 unlinks in 17 seconds: 294.117645 unlinks/second
fail_loc=0