From: Steven Whitehouse <swhiteho@redhat.com>
Date: Mon, 18 Jun 2007 15:31:42 +0000 (+0100)
Subject: [GFS2] Use zero_user_page() in stuffed_readpage()
X-Git-Tag: v3.12-rc1~28750^2~14
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=2840501ac822c5bf712f67b4b02640e16e145a29;p=kernel%2Fkernel-generic.git

[GFS2] Use zero_user_page() in stuffed_readpage()

As suggested by Robert P. J. Day <rpjday@mindspring.com>

Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
Cc: Robert P. J. Day <rpjday@mindspring.com>
---

diff --git a/fs/gfs2/ops_address.c b/fs/gfs2/ops_address.c
index 9ab35a9..26c8888 100644
--- a/fs/gfs2/ops_address.c
+++ b/fs/gfs2/ops_address.c
@@ -208,11 +208,7 @@ static int stuffed_readpage(struct gfs2_inode *ip, struct page *page)
 	 * so we need to supply one here. It doesn't happen often.
 	 */
 	if (unlikely(page->index)) {
-		kaddr = kmap_atomic(page, KM_USER0);
-		memset(kaddr, 0, PAGE_CACHE_SIZE);
-		kunmap_atomic(kaddr, KM_USER0);
-		flush_dcache_page(page);
-		SetPageUptodate(page);
+		zero_user_page(page, 0, PAGE_CACHE_SIZE, KM_USER0);
 		return 0;
 	}