diff -urNp linux-2.4.21/fs/nfs/direct.c linux-2.4.21.SUSE/fs/nfs/direct.c
--- linux-2.4.21/fs/nfs/direct.c	2003-12-31 14:05:51.000000000 +0100
+++ linux-2.4.21.SUSE/fs/nfs/direct.c	2003-12-31 14:08:57.000000000 +0100
@@ -346,7 +346,7 @@ nfs_direct_IO(int rw, struct file *file,
 	size_t count = iobuf->length;
 	struct dentry *dentry = file->f_dentry;
 	struct inode *inode = dentry->d_inode;
-	loff_t offset = blocknr << inode->i_blkbits;
+       loff_t offset = (loff_t) blocknr << inode->i_blkbits;
 
 	switch (rw) {
 	case READ: