When adding a new ioctl (DM_LIST_VERSIONS), the MINOR version number of the
ioctl interface should be incremented.

--- diff/include/linux/dm-ioctl-v4.h	2003-12-29 10:16:45.000000000 +0000
+++ source/include/linux/dm-ioctl-v4.h	2003-12-29 10:17:09.000000000 +0000
@@ -221,9 +221,9 @@
 #define DM_LIST_VERSIONS _IOWR(DM_IOCTL, DM_LIST_VERSIONS_CMD, struct dm_ioctl)
 
 #define DM_VERSION_MAJOR	4
-#define DM_VERSION_MINOR	0
+#define DM_VERSION_MINOR	1
 #define DM_VERSION_PATCHLEVEL	0
-#define DM_VERSION_EXTRA	"-ioctl (2003-06-04)"
+#define DM_VERSION_EXTRA	"-ioctl (2003-12-10)"
 
 /* Status bits */
 #define DM_READONLY_FLAG	(1 << 0) /* In/Out */