== sanity test 60c: unlink file when mds full ============ 12:23:45 (1780331025)
create 5000 files
 - open/close 447 (time 1780331040.52 total 10.01 last 44.66)
 - open/close 907 (time 1780331050.54 total 20.02 last 45.94)
 - open/close 1344 (time 1780331060.55 total 30.03 last 43.66)
 - open/close 1792 (time 1780331070.56 total 40.04 last 44.76)
 - open/close 2245 (time 1780331080.56 total 50.04 last 45.29)
 - open/close 2669 (time 1780331090.57 total 60.05 last 42.37)
 - open/close 3060 (time 1780331100.58 total 70.06 last 39.05)
 - open/close 3477 (time 1780331110.58 total 80.07 last 41.68)
 - open/close 3840 (time 1780331120.59 total 90.08 last 36.27)
 - open/close 4255 (time 1780331130.59 total 100.08 last 41.49)
 - open/close 4680 (time 1780331140.62 total 110.10 last 42.41)
total: 5000 open/close in 117.76 seconds: 42.46 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1780331152 ; total 0 ; last 0)
total: 5000 unlinks in 84 seconds: 59.523811 unlinks/second
fail_loc=0