--- ./include/linux/extN_fs.h.orig	Tue May  7 17:06:03 2002
+++ ./include/linux/extN_fs.h	Tue May  7 17:07:11 2002
@@ -17,6 +17,8 @@
 #define _LINUX_EXTN_FS_H
 
 #include <linux/types.h>
+#include <linux/extN_fs_sb.h>
+#include <linux/extN_fs_i.h>
 
 /*
  * The second extended filesystem constants/structures
@@ -86,8 +88,8 @@
 #define EXTN_MIN_BLOCK_LOG_SIZE		  10
 
 #ifdef __KERNEL__
-#define EXTN_SB(sb)	(&((sb)->u.extN_sb))
-#define EXTN_I(inode)	(&((inode)->u.extN_i))
+#define EXTN_SB(sb)	((struct extN_sb_info *)&((sb)->u.generic_sbp))
+#define EXTN_I(inode)	((struct extN_inode_info *)&((inode)->u.generic_ip))
 
 #define EXTN_BLOCK_SIZE(s)		((s)->s_blocksize)
 #define EXTN_BLOCK_SIZE_BITS(s)		((s)->s_blocksize_bits)
@@ -447,7 +447,9 @@
 #define NEXT_ORPHAN(inode) EXTN_I(inode)->i_dtime
 static inline inode *orphan_list_entry(l)
 {
-	return list_entry(l, struct inode, u.extN_i.i_orphan);
+	return ((struct inode *)((char *)l -
+		(unsigned long)(offsetof(struct inode, u.generic_ip) +
+				offsetof(struct extN_inode_info, i_orphan))));
 }
 
 /*