--- linux-2.6.8.1-mm1/include/linux/ext3_fs.h.=K0002=.orig
+++ linux-2.6.8.1-mm1/include/linux/ext3_fs.h
@@ -758,7 +758,6 @@ extern int  ext3_setattr (struct dentry 
 extern void ext3_put_inode (struct inode *);
 extern void ext3_delete_inode (struct inode *);
 extern int  ext3_sync_inode (handle_t *, struct inode *);
-extern void ext3_discard_prealloc (struct inode *);
 extern void ext3_discard_reservation (struct inode *);
 extern void ext3_dirty_inode(struct inode *);
 extern int ext3_change_inode_journal_flag(struct inode *, int);