== sanity test 311: disable OSP precreate, and unlink should destroy objs ========================================================== 22:19:31 (1789179571)
old_iused=449
 - open/close 794 (time 1789179586.00 total 10.00 last 79.37)
total: 1000 open/close in 12.74 seconds: 78.50 ops/second
suppose current old_iused=1449
create_count=32, max_create_count=20000
 - unlinked 0 (time 1789179597 ; 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
441 
waited 1 sec, old Iused 1449, new Iused 441