== sanity test 311: disable OSP precreate, and unlink should destroy objs ========================================================== 11:42:07 (1772469727)
old_iused=        446 
 - open/close 749 (time 1772469743.04 total 10.01 last 74.85)
total: 1000 open/close in 13.07 seconds: 76.51 ops/second
suppose current old_iused=1446
create_count=32, max_create_count=20000
 - unlinked 0 (time 1772469756 ; 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 20 for ZFS MDS
        438  
waited 1 sec, old Iused 1446, new Iused         438