== sanity test 311: disable OSP precreate, and unlink should destroy objs ========================================================== 10:38:31 (1788532711)
old_iused=450
 - open/close 702 (time 1788532727.01 total 10.02 last 70.05)
total: 1000 open/close in 14.70 seconds: 68.02 ops/second
suppose current old_iused=1450
create_count=32, max_create_count=20000
 - unlinked 0 (time 1788532739 ; 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
442 
waited 1 sec, old Iused 1450, new Iused 442