== sanity test 311: disable OSP precreate, and unlink should destroy objs ========================================================== 11:34:24 (1776180864)
old_iused=418
 - open/close 820 (time 1776180879.12 total 10.00 last 81.97)
total: 1000 open/close in 12.28 seconds: 81.45 ops/second
suppose current old_iused=1418
create_count=32, max_create_count=20000
 - unlinked 0 (time 1776180888 ; total 0 ; last 0)
total: 1000 unlinks in 7 seconds: 142.857147 unlinks/second
sleep 5 for ZFS MDS
sleep 5 for ZFS OST
Waiting for MDT destroys to complete
sleep 10 for ZFS MDS
410 
waited 1 sec, old Iused 1418, new Iused 410