== sanity test 311: disable OSP precreate, and unlink should destroy objs ========================================================== 14:28:25 (1776191305)
old_iused=422
 - open/close 653 (time 1776191319.43 total 10.00 last 65.28)
total: 1000 open/close in 15.24 seconds: 65.61 ops/second
suppose current old_iused=1422
create_count=32, max_create_count=20000
 - unlinked 0 (time 1776191331 ; 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
414 
waited 1 sec, old Iused 1422, new Iused 414