== sanity test 311: disable OSP precreate, and unlink should destroy objs ========================================================== 16:56:33 (1778619393)
old_iused=        446
 - open/close 699 (time 1778619408.50 total 10.01 last 69.85)
total: 1000 open/close in 14.63 seconds: 68.34 ops/second
suppose current old_iused=1446
create_count=32, max_create_count=20000
 - unlinked 0 (time 1778619422 ; 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 20 for ZFS MDS
        438 
waited 1 sec, old Iused 1446, new Iused         438