== sanity test 60c: unlink file when mds full ============ 23:26:13 (1789356373)
create 5000 files
 - open/close 1334 (time 1789356385.34 total 10.00 last 133.39)
 - open/close 3242 (time 1789356395.34 total 20.00 last 190.80)
total: 5000 open/close in 25.90 seconds: 193.08 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1789356402 ; total 0 ; last 0)
total: 5000 unlinks in 11 seconds: 454.545441 unlinks/second
fail_loc=0