[PATCH] add page->mapping handling interface [12/35] changes in EXT3

[KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>]

Change page->mapping handling in EXT3

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

---
 fs/ext3/inode.c |   10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

Index: test-2.6.23-rc4-mm1/fs/ext3/inode.c
===================================================================
--- test-2.6.23-rc4-mm1.orig/fs/ext3/inode.c
+++ test-2.6.23-rc4-mm1/fs/ext3/inode.c
@@ -1484,7 +1484,7 @@ static int journal_dirty_data_fn(handle_
 static int ext3_ordered_writepage(struct page *page,
 				struct writeback_control *wbc)
 {
-	struct inode *inode = page->mapping->host;
+	struct inode *inode = page_inode(page);
 	struct buffer_head *page_bufs;
 	handle_t *handle = NULL;
 	int ret = 0;
@@ -1550,7 +1550,7 @@ out_fail:
 static int ext3_writeback_writepage(struct page *page,
 				struct writeback_control *wbc)
 {
-	struct inode *inode = page->mapping->host;
+	struct inode *inode = page_inode(page);
 	handle_t *handle = NULL;
 	int ret = 0;
 	int err;
@@ -1583,7 +1583,7 @@ out_fail:
 static int ext3_journalled_writepage(struct page *page,
 				struct writeback_control *wbc)
 {
-	struct inode *inode = page->mapping->host;
+	struct inode *inode = page_inode(page);
 	handle_t *handle = NULL;
 	int ret = 0;
 	int err;
@@ -1653,7 +1653,7 @@ ext3_readpages(struct file *file, struct
 
 static void ext3_invalidatepage(struct page *page, unsigned long offset)
 {
-	journal_t *journal = EXT3_JOURNAL(page->mapping->host);
+	journal_t *journal = EXT3_JOURNAL(page_inode(page));
 
 	/*
 	 * If it's a full truncate we just forget about the pending dirtying
@@ -1666,7 +1666,7 @@ static void ext3_invalidatepage(struct p
 
 static int ext3_releasepage(struct page *page, gfp_t wait)
 {
-	journal_t *journal = EXT3_JOURNAL(page->mapping->host);
+	journal_t *journal = EXT3_JOURNAL(page_inode(page));
 
 	WARN_ON(PageChecked(page));
 	if (!page_has_buffers(page))

-
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