== sanity test 60c: unlink file when mds full ============ 12:03:53 (1786464233)
create 5000 files
 - open/close 2113 (time 1786464245.22 total 10.00 last 211.24)
 - open/close 3445 (time 1786464255.23 total 20.01 last 133.14)
total: 5000 open/close in 29.12 seconds: 171.68 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1786464265 ; total 0 ; last 0)
total: 5000 unlinks in 29 seconds: 172.413788 unlinks/second
fail_loc=0