== sanity test 311: disable OSP precreate, and unlink should destroy objs ========================================================== 00:49:15 (1747802955)
old_iused=2596
total: 1000 open/close in 4.33 seconds: 231.13 ops/second
suppose current old_iused=3596
create_count=32, max_create_count=20000
 - unlinked 0 (time 1747802964 ; 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
2588 
waited 1 sec, old Iused 3596, new Iused 2588