== sanity test 60c: unlink file when mds full ============ 18:48:31 (1736984911)
create 5000 files
 - open/close 1389 (time 1736984922.84 total 10.00 last 138.86)
 - open/close 2840 (time 1736984932.84 total 20.01 last 145.05)
 - open/close 4170 (time 1736984942.84 total 30.01 last 132.99)
total: 5000 open/close in 36.18 seconds: 138.18 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1736984950 ; total 0 ; last 0)
total: 5000 unlinks in 18 seconds: 277.777771 unlinks/second
fail_loc=0