== sanity test 60c: unlink file when mds full ============ 13:25:12 (1776187512)
create 5000 files
 - open/close 759 (time 1776187526.38 total 10.01 last 75.85)
 - open/close 1517 (time 1776187536.38 total 20.01 last 75.78)
 - open/close 2361 (time 1776187546.39 total 30.02 last 84.32)
 - open/close 3112 (time 1776187556.40 total 40.03 last 74.99)
 - open/close 3907 (time 1776187566.41 total 50.04 last 79.44)
 - open/close 4728 (time 1776187576.43 total 60.06 last 81.98)
total: 5000 open/close in 63.72 seconds: 78.47 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1776187584 ; total 0 ; last 0)
total: 5000 unlinks in 35 seconds: 142.857147 unlinks/second
fail_loc=0