== sanity test 311: disable OSP precreate, and unlink should destroy objs ========================================================== 14:02:03 (1787853723)
old_iused=        446
 - open/close 597 (time 1787853739.27 total 10.02 last 59.60)
total: 1000 open/close in 16.23 seconds: 61.61 ops/second
suppose current old_iused=1446
create_count=32, max_create_count=20000
 - unlinked 0 (time 1787853754 ; 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