== sanity test 60c: unlink file when mds full ============ 13:43:29 (1782927809)
create 5000 files
 - open/close 1732 (time 1782927821.13 total 10.00 last 173.15)
 - open/close 3659 (time 1782927831.13 total 20.00 last 192.70)
total: 5000 open/close in 28.38 seconds: 176.20 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1782927840 ; total 0 ; last 0)
total: 5000 unlinks in 15 seconds: 333.333344 unlinks/second
fail_loc=0