== sanity test 311: disable OSP precreate, and unlink should destroy objs ========================================================== 15:27:31 (1775762851)
old_iused=        446 
 - open/close 646 (time 1775762867.90 total 10.01 last 64.56)
total: 1000 open/close in 16.87 seconds: 59.28 ops/second
suppose current old_iused=1446
create_count=32, max_create_count=20000
 - unlinked 0 (time 1775762884 ; total 0 ; last 0)
total: 1000 unlinks in 11 seconds: 90.909088 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