--- a/usr/src/uts/common/fs/zfs/sys/zfs_ioctl.h	Mon Jan 04 13:50:00 2010 -0800
+++ b/usr/src/uts/common/fs/zfs/sys/zfs_ioctl.h	Mon Jan 04 17:24:41 2010 -0500
@@ -19,7 +19,7 @@
  * CDDL HEADER END
  */
 /*
- * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
+ * Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
  */
 
@@ -269,6 +269,8 @@
 #define	ZVOL_MAX_MINOR	(1 << 16)
 #define	ZFS_MIN_MINOR	(ZVOL_MAX_MINOR + 1)
 
+#define	ZPOOL_EXPORT_AFTER_SPLIT 0x1
+
 #ifdef _KERNEL
 
 typedef struct zfs_creat {