== sanity test 311: disable OSP precreate, and unlink should destroy objs ========================================================== 23:14:01 (1746155641)
old_iused=2597
total: 1000 open/close in 6.31 seconds: 158.45 ops/second
suppose current old_iused=3597
create_count=32, max_create_count=20000
 - unlinked 0 (time 1746155653 ; total 0 ; last 0)
total: 1000 unlinks in 4 seconds: 250.000000 unlinks/second
sleep 5 for ZFS MDS
sleep 5 for ZFS OST
Waiting for MDT destroys to complete
sleep 10 for ZFS MDS
2589 
waited 1 sec, old Iused 3597, new Iused 2589