diff -urNp linux-2.4.21/fs/jbd/journal.c linux-2.4.21.SUSE/fs/jbd/journal.c
--- linux-2.4.21/fs/jbd/journal.c	2004-03-03 17:03:12.000000000 +0100
+++ linux-2.4.21.SUSE/fs/jbd/journal.c	2004-03-03 17:04:51.000000000 +0100
@@ -669,6 +669,7 @@ struct journal_head * journal_get_descri
 
 	bh = getblk(journal->j_dev, blocknr, journal->j_blocksize);
 	lock_buffer(bh);
+	memset(bh->b_data, 0, journal->j_blocksize);
 	BUFFER_TRACE(bh, "return this buffer");
 	return journal_add_journal_head(bh);
 }