diff -urN linux-2.4.17/fs/iobuf.c linux-2.4.17.SuSE/fs/iobuf.c
--- linux-2.4.17/fs/iobuf.c	Fri Apr 27 23:23:25 2001
+++ linux-2.4.17.SuSE/fs/iobuf.c	Fri Feb  8 12:46:12 2002
@@ -24,10 +24,14 @@
 
 static void kiobuf_init(struct kiobuf *iobuf)
 {
-	memset(iobuf, 0, sizeof(*iobuf));
 	init_waitqueue_head(&iobuf->wait_queue);
 	iobuf->array_len = KIO_STATIC_PAGES;
-	iobuf->maplist   = iobuf->map_array;
+	iobuf->maplist = iobuf->map_array;
+	iobuf->nr_pages = 0;
+	iobuf->locked = 0;
+	iobuf->dovary = 0;
+	atomic_set(&iobuf->io_count, 0);
+	iobuf->end_io = NULL;
 }
 
 int alloc_kiobuf_bhs(struct kiobuf * kiobuf)