--- linux-2.4.26-pre3/fs/jbd/journal.c	2004-02-18 05:36:31.000000000 -0800
+++ linux-2.4.26-pre4/fs/jbd/journal.c	2004-03-16 09:59:36.000000000 -0800
@@ -671,6 +671,7 @@
 
 	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);
 }