Missing #include
--- diff/drivers/md/dm-ioctl-v4.c	2003-08-01 09:59:28.000000000 +0100
+++ source/drivers/md/dm-ioctl-v4.c	2003-08-01 10:00:16.000000000 +0100
@@ -13,6 +13,7 @@
 #include <linux/wait.h>
 #include <linux/slab.h>
 #include <linux/devfs_fs_kernel.h>
+#include <linux/dm-ioctl.h>
 
 #include <asm/uaccess.h>