== sanity test 60c: unlink file when mds full ============ 21:02:05 (1708826525)
create 5000 files
 - open/close 1738 (time 1708826536.76 total 10.01 last 173.61)
 - open/close 3681 (time 1708826546.76 total 20.01 last 194.25)
total: 5000 open/close in 25.43 seconds: 196.64 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1708826553 ; total 0 ; last 0)
total: 5000 unlinks in 16 seconds: 312.500000 unlinks/second
fail_loc=0