== sanity test 311: disable OSP precreate, and unlink should destroy objs ========================================================== 01:45:45 (1744177545)
old_iused=2593
total: 1000 open/close in 3.87 seconds: 258.40 ops/second
suppose current old_iused=3593
create_count=32, max_create_count=20000
 - unlinked 0 (time 1744177553 ; total 0 ; last 0)
total: 1000 unlinks in 2 seconds: 500.000000 unlinks/second
sleep 5 for ZFS MDS
sleep 5 for ZFS OST
Waiting for MDT destroys to complete
sleep 10 for ZFS MDS
2585 
waited 1 sec, old Iused 3593, new Iused 2585