== sanity test 311: disable OSP precreate, and unlink should destroy objs ========================================================== 13:15:02 (1774890902)
old_iused=        448 
total: 1000 open/close in 7.91 seconds: 126.43 ops/second
suppose current old_iused=1448
create_count=32, max_create_count=20000
 - unlinked 0 (time 1774890917 ; 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 20 for ZFS MDS
        440  
waited 1 sec, old Iused 1448, new Iused         440