linux-kernel - [PATCH] shmem: call set_page

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Date:	Tue, 14 Jul 2009 17:29:26 +0800
From:	Wu Fengguang <fengguang.wu@...el.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Hugh Dickins <hugh.dickins@...cali.co.uk>,
	LKML <linux-kernel@...r.kernel.org>,
	linux-fsdevel@...r.kernel.org
Subject: [PATCH] shmem: call set_page_dirty() with locked page

Here set_page_dirty() can be moved into the page lock.

CC: Hugh Dickins <hugh@...itas.com>
Signed-off-by: Wu Fengguang <fengguang.wu@...el.com>
---
 mm/shmem.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- linux.orig/mm/shmem.c
+++ linux/mm/shmem.c
@@ -1630,8 +1630,8 @@ shmem_write_end(struct file *file, struc
 	if (pos + copied > inode->i_size)
 		i_size_write(inode, pos + copied);
 
-	unlock_page(page);
 	set_page_dirty(page);
+	unlock_page(page);
 	page_cache_release(page);
 
 	return copied;
--
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