linux-kernel - [PATCH] add page->mapping handling interface [22/35] changes in JFFS2

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Date:	Mon, 10 Sep 2007 19:16:22 +0900
From:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
To:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
Cc:	dwmw2@...radead.org, LKML <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	"nickpiggin@...oo.com.au" <nickpiggin@...oo.com.au>,
	"linux-mm@...ck.org" <linux-mm@...ck.org>
Subject: [PATCH] add page->mapping handling interface [22/35] changes in
 JFFS2

Changes page->mapping handling in JFFS2

Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>

---
 fs/jffs2/file.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

Index: test-2.6.23-rc4-mm1/fs/jffs2/file.c
===================================================================
--- test-2.6.23-rc4-mm1.orig/fs/jffs2/file.c
+++ test-2.6.23-rc4-mm1/fs/jffs2/file.c
@@ -111,11 +111,11 @@ int jffs2_do_readpage_unlock(struct inod
 
 static int jffs2_readpage (struct file *filp, struct page *pg)
 {
-	struct jffs2_inode_info *f = JFFS2_INODE_INFO(pg->mapping->host);
+	struct jffs2_inode_info *f = JFFS2_INODE_INFO(page_inode(pg));
 	int ret;
 
 	down(&f->sem);
-	ret = jffs2_do_readpage_unlock(pg->mapping->host, pg);
+	ret = jffs2_do_readpage_unlock(page_inode(pg), pg);
 	up(&f->sem);
 	return ret;
 }

-
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