Code review changes

@@ -18,11 +18,11 @@
  *
  * CDDL HEADER END
  */
 
 /*
- * Copyright 2012 Nexenta Systems, Inc.
+ * Copyright 2013 Nexenta Systems, Inc.  All rights reserved.
  * Copyright 2012 Alexey Zaytsev <alexey.zaytsev@gmail.com>
  */
 
 /* Based on the NetBSD virtio driver by Minoura Makoto. */
 /*