== sanity test 311: disable OSP precreate, and unlink should destroy objs ========================================================== 13:19:38 (1740680378)
old_iused=10599
total: 1000 open/close in 3.96 seconds: 252.82 ops/second
suppose current old_iused=11599
create_count=32, max_create_count=20000
 - unlinked 0 (time 1740680386 ; total 0 ; last 0)
total: 1000 unlinks in 3 seconds: 333.333344 unlinks/second
sleep 5 for ZFS MDS
sleep 5 for ZFS OST
Waiting for MDT destroys to complete
sleep 10 for ZFS MDS
10591 
waited 1 sec, old Iused 11599, new Iused 10591