diff -ur linux-2.5.69-orig/include/linux/buffer_head.h linux-2.5.69/include/linux/buffer_head.h
--- linux-2.5.69-orig/include/linux/buffer_head.h	Mon May  5 09:52:49 2003
+++ linux-2.5.69/include/linux/buffer_head.h	Fri May 16 12:05:16 2003
@@ -51,7 +51,7 @@
 	struct page *b_page;		/* the page this bh is mapped to */
 
 	sector_t b_blocknr;		/* block number */
-	u32 b_size;			/* block size */
+	int b_size;			/* block size */
 	char *b_data;			/* pointer to data block */
 
 	struct block_device *b_bdev;