From: Nate Diller <nate.diller@gmail.com>
Date: Fri, 11 May 2007 05:56:01 +0000 (-0700)
Subject: [PATCH] ocfs2: use zero_user_page
X-Git-Tag: v2.6.22-rc3~6
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5c3c6bb7709bf2bf4132750124879b3d89183e46;p=linux-2.6

[PATCH] ocfs2: use zero_user_page

Use zero_user_page() instead of open-coding it.

Signed-off-by: Nate Diller <nate.diller@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
---

diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c
index 30306707b2..0023b31e48 100644
--- a/fs/ocfs2/aops.c
+++ b/fs/ocfs2/aops.c
@@ -238,10 +238,7 @@ static int ocfs2_readpage(struct file *file, struct page *page)
 	 * 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, KM_USER0);
 		SetPageUptodate(page);
 		ret = 0;
 		goto out_alloc;