== sanity test 311: disable OSP precreate, and unlink should destroy objs ========================================================== 11:52:10 (1776181930)
old_iused=421
 - open/close 729 (time 1776181944.66 total 10.01 last 72.85)
total: 1000 open/close in 13.63 seconds: 73.39 ops/second
suppose current old_iused=1421
create_count=32, max_create_count=20000
 - unlinked 0 (time 1776181954 ; total 0 ; last 0)
total: 1000 unlinks in 8 seconds: 125.000000 unlinks/second
sleep 5 for ZFS MDS
sleep 5 for ZFS OST
Waiting for MDT destroys to complete
sleep 10 for ZFS MDS
413 
waited 1 sec, old Iused 1421, new Iused 413