== sanity test 311: disable OSP precreate, and unlink should destroy objs ========================================================== 15:19:11 (1741634351)
old_iused=10640
total: 1000 open/close in 2.04 seconds: 490.53 ops/second
suppose current old_iused=11640
create_count=32, max_create_count=20000
 - unlinked 0 (time 1741634356 ; total 0 ; last 0)
total: 1000 unlinks in 2 seconds: 500.000000 unlinks/second
sleep 5 for ZFS MDS
sleep 5 for ZFS OST
Waiting for MDT destroys to complete
sleep 10 for ZFS MDS
10632 
waited 1 sec, old Iused 11640, new Iused 10632