== sanity test 60c: unlink file when mds full ============ 20:27:12 (1789777632)
create 5000 files
 - open/close 547 (time 1789777647.03 total 10.01 last 54.63)
 - open/close 1064 (time 1789777657.04 total 20.02 last 51.65)
 - open/close 1613 (time 1789777667.05 total 30.04 last 54.83)
 - open/close 2103 (time 1789777677.07 total 40.05 last 48.91)
 - open/close 2588 (time 1789777687.09 total 50.07 last 48.42)
 - open/close 3059 (time 1789777697.10 total 60.09 last 47.02)
 - open/close 3548 (time 1789777707.11 total 70.09 last 48.88)
 - open/close 4012 (time 1789777717.11 total 80.09 last 46.38)
 - open/close 4402 (time 1789777727.13 total 90.11 last 38.92)
 - open/close 4795 (time 1789777737.15 total 100.13 last 39.24)
total: 5000 open/close in 104.58 seconds: 47.81 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1789777745 ; total 0 ; last 0)
total: 5000 unlinks in 69 seconds: 72.463768 unlinks/second
fail_loc=0