== sanity test 311: disable OSP precreate, and unlink should destroy objs ========================================================== 06:14:36 (1789985676)
old_iused=447
total: 1000 open/close in 6.01 seconds: 166.41 ops/second
suppose current old_iused=1447
create_count=32, max_create_count=20000
 - unlinked 0 (time 1789985688 ; total 0 ; last 0)
total: 1000 unlinks in 3 seconds: 333.333344 unlinks/second
sleep 5 for ZFS MDS
sleep 5 for ZFS OST
Waiting for MDT destroys to complete
sleep 20 for ZFS MDS
439 
waited 1 sec, old Iused 1447, new Iused 439