From mboxrd@z Thu Jan  1 00:00:00 1970
From: Nate Diller <nate.diller@gmail.com>
Subject: [PATCH 9/13] ocfs2: use zero_user_page
Date: Tue, 10 Apr 2007 20:36:00 -0700
Message-ID: <20070411033600.11000.47234.patchbomb.py@localhost>
References: <20070411033600.11000.38285.patchbomb.py@localhost>
Cc: linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org
To: Andrew Morton <akpm@osdl.org>,
	Alexander Viro <viro@zeniv.linux.org.uk>
Return-path: <linux-kernel-owner+glk-linux-kernel-3=40m.gmane.org-S1030360AbXDKDj1@vger.kernel.org>
In-Reply-To: <20070411033600.11000.38285.patchbomb.py@localhost>
Sender: linux-kernel-owner@vger.kernel.org
List-Id: linux-fsdevel.vger.kernel.org

Use zero_user_page() instead of open-coding it. 

Signed-off-by: Nate Diller <nate.diller@gmail.com>

--- 

diff -urpN -X dontdiff linux-2.6.21-rc6-mm1/fs/ocfs2/aops.c linux-2.6.21-rc6-mm1-test/fs/ocfs2/aops.c
--- linux-2.6.21-rc6-mm1/fs/ocfs2/aops.c	2007-04-09 17:24:03.000000000 -0700
+++ linux-2.6.21-rc6-mm1-test/fs/ocfs2/aops.c	2007-04-09 18:18:23.000000000 -0700
@@ -234,10 +234,7 @@ static int ocfs2_readpage(struct file *f
 	 * XXX sys_readahead() seems to get that wrong?
 	 */
 	if (start >= i_size_read(inode)) {
-		char *addr = kmap(page);
-		memset(addr, 0, PAGE_SIZE);
-		flush_dcache_page(page);
-		kunmap(page);
+		zero_user_page(page, 0, PAGE_SIZE);
 		SetPageUptodate(page);
 		ret = 0;
 		goto out_alloc;