== sanity test 60c: unlink file when mds full ============ 21:37:30 (1781228250)
create 5000 files
 - open/close 1720 (time 1781228262.49 total 10.00 last 171.96)
 - open/close 3334 (time 1781228272.49 total 20.01 last 161.31)
 - open/close 4645 (time 1781228282.50 total 30.01 last 131.08)
total: 5000 open/close in 32.36 seconds: 154.51 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1781228286 ; total 0 ; last 0)
total: 5000 unlinks in 25 seconds: 200.000000 unlinks/second
fail_loc=0