From 7a0e6bd898deaf66c138399c13482becbce92b4f Mon Sep 17 00:00:00 2001
From: Jan Kara <jack@suse.cz>
Date: Tue, 7 Apr 2009 18:25:01 -0400
Subject: [PATCH] --- yaml --- r: 142851 b: refs/heads/master c:
 430db323fae7665da721768949ade6304811c648 h: refs/heads/master i:   142849:
 8843c9504950a968cdd656771b139b44b781f064   142847:
 492db4f97ea062c4805aaebb467280bb30cd9d1b v: v3

---
 [refs]                |  2 +-
 trunk/fs/ext3/inode.c | 23 ++++++++++++++++++-----
 2 files changed, 19 insertions(+), 6 deletions(-)

diff --git a/[refs] b/[refs]
index 4df635f81db7..92cfe44e522d 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 6e34eeddf7deec1444bbddab533f03f520d8458c
+refs/heads/master: 430db323fae7665da721768949ade6304811c648
diff --git a/trunk/fs/ext3/inode.c b/trunk/fs/ext3/inode.c
index 466a332e0bd1..fcfa24361856 100644
--- a/trunk/fs/ext3/inode.c
+++ b/trunk/fs/ext3/inode.c
@@ -1521,12 +1521,16 @@ static int ext3_ordered_writepage(struct page *page,
 	if (!page_has_buffers(page)) {
 		create_empty_buffers(page, inode->i_sb->s_blocksize,
 				(1 << BH_Dirty)|(1 << BH_Uptodate));
-	} else if (!walk_page_buffers(NULL, page_buffers(page), 0, PAGE_CACHE_SIZE, NULL, buffer_unmapped)) {
-		/* Provide NULL instead of get_block so that we catch bugs if buffers weren't really mapped */
-		return block_write_full_page(page, NULL, wbc);
+		page_bufs = page_buffers(page);
+	} else {
+		page_bufs = page_buffers(page);
+		if (!walk_page_buffers(NULL, page_bufs, 0, PAGE_CACHE_SIZE,
+				       NULL, buffer_unmapped)) {
+			/* Provide NULL get_block() to catch bugs if buffers
+			 * weren't really mapped */
+			return block_write_full_page(page, NULL, wbc);
+		}
 	}
-	page_bufs = page_buffers(page);
-
 	handle = ext3_journal_start(inode, ext3_writepage_trans_blocks(inode));
 
 	if (IS_ERR(handle)) {
@@ -1581,6 +1585,15 @@ static int ext3_writeback_writepage(struct page *page,
 	if (ext3_journal_current_handle())
 		goto out_fail;
 
+	if (page_has_buffers(page)) {
+		if (!walk_page_buffers(NULL, page_buffers(page), 0,
+				      PAGE_CACHE_SIZE, NULL, buffer_unmapped)) {
+			/* Provide NULL get_block() to catch bugs if buffers
+			 * weren't really mapped */
+			return block_write_full_page(page, NULL, wbc);
+		}
+	}
+
 	handle = ext3_journal_start(inode, ext3_writepage_trans_blocks(inode));
 	if (IS_ERR(handle)) {
 		ret = PTR_ERR(handle);