--- a/fs/jbd/journal.c	Mon Nov 10 00:12:14 2003
+++ b/fs/jbd/journal.c	Fri Feb 27 20:36:04 2004
@@ -599,6 +599,7 @@
 		return NULL;
 
 	bh = __getblk(journal->j_dev, blocknr, journal->j_blocksize);
+	memset(bh->b_data, 0, journal->j_blocksize);
 	bh->b_state |= (1 << BH_Dirty);
 	BUFFER_TRACE(bh, "return this buffer");
 	return journal_add_journal_head(bh);