== sanity test 60c: unlink file when mds full ============ 12:17:43 (1752509863)
create 5000 files
 - open/close 1876 (time 1752509874.52 total 10.00 last 187.55)
 - open/close 3511 (time 1752509884.52 total 20.01 last 163.43)
 - open/close 4789 (time 1752509894.52 total 30.01 last 127.78)
total: 5000 open/close in 31.90 seconds: 156.72 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1752509898 ; total 0 ; last 0)
total: 5000 unlinks in 29 seconds: 172.413788 unlinks/second
fail_loc=0