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Date: Mon, 10 Sep 2007 19:23:09 +0900
From: KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
To: KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
Cc: aia21@...tab.net, 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 [27/35] changes in
NTFS
Changes page->mapping handling in NTFS
Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
---
fs/ntfs/aops.c | 14 +++++++-------
fs/ntfs/compress.c | 2 +-
fs/ntfs/file.c | 6 +++---
3 files changed, 11 insertions(+), 11 deletions(-)
Index: test-2.6.23-rc4-mm1/fs/ntfs/aops.c
===================================================================
--- test-2.6.23-rc4-mm1.orig/fs/ntfs/aops.c
+++ test-2.6.23-rc4-mm1/fs/ntfs/aops.c
@@ -65,7 +65,7 @@ static void ntfs_end_buffer_async_read(s
int page_uptodate = 1;
page = bh->b_page;
- vi = page->mapping->host;
+ vi = page_inode(page);
ni = NTFS_I(vi);
if (likely(uptodate)) {
@@ -194,7 +194,7 @@ static int ntfs_read_block(struct page *
int i, nr;
unsigned char blocksize_bits;
- vi = page->mapping->host;
+ vi = page_inode(page);
ni = NTFS_I(vi);
vol = ni->vol;
@@ -413,7 +413,7 @@ retry_readpage:
unlock_page(page);
return 0;
}
- vi = page->mapping->host;
+ vi = page_inode(page);
ni = NTFS_I(vi);
/*
* Only $DATA attributes can be encrypted and only unnamed $DATA
@@ -553,7 +553,7 @@ static int ntfs_write_block(struct page
bool need_end_writeback;
unsigned char blocksize_bits;
- vi = page->mapping->host;
+ vi = page_inode(page);
ni = NTFS_I(vi);
vol = ni->vol;
@@ -909,7 +909,7 @@ static int ntfs_write_mst_block(struct p
struct writeback_control *wbc)
{
sector_t block, dblock, rec_block;
- struct inode *vi = page->mapping->host;
+ struct inode *vi = page_inode(page);
ntfs_inode *ni = NTFS_I(vi);
ntfs_volume *vol = ni->vol;
u8 *kaddr;
@@ -1342,7 +1342,7 @@ done:
static int ntfs_writepage(struct page *page, struct writeback_control *wbc)
{
loff_t i_size;
- struct inode *vi = page->mapping->host;
+ struct inode *vi = page_inode(page);
ntfs_inode *base_ni = NULL, *ni = NTFS_I(vi);
char *kaddr;
ntfs_attr_search_ctx *ctx = NULL;
@@ -1579,7 +1579,7 @@ const struct address_space_operations nt
* need the lock since try_to_free_buffers() does not free dirty buffers.
*/
void mark_ntfs_record_dirty(struct page *page, const unsigned int ofs) {
- struct address_space *mapping = page->mapping;
+ struct address_space *mapping = page_mapping_cache(page);
ntfs_inode *ni = NTFS_I(mapping->host);
struct buffer_head *bh, *head, *buffers_to_free = NULL;
unsigned int end, bh_size, bh_ofs;
Index: test-2.6.23-rc4-mm1/fs/ntfs/compress.c
===================================================================
--- test-2.6.23-rc4-mm1.orig/fs/ntfs/compress.c
+++ test-2.6.23-rc4-mm1/fs/ntfs/compress.c
@@ -482,7 +482,7 @@ int ntfs_read_compressed_block(struct pa
{
loff_t i_size;
s64 initialized_size;
- struct address_space *mapping = page->mapping;
+ struct address_space *mapping = page_mapping_cache(page);
ntfs_inode *ni = NTFS_I(mapping->host);
ntfs_volume *vol = ni->vol;
struct super_block *sb = vol->sb;
Index: test-2.6.23-rc4-mm1/fs/ntfs/file.c
===================================================================
--- test-2.6.23-rc4-mm1.orig/fs/ntfs/file.c
+++ test-2.6.23-rc4-mm1/fs/ntfs/file.c
@@ -520,7 +520,7 @@ static int ntfs_prepare_pages_for_non_re
BUG_ON(!nr_pages);
BUG_ON(!pages);
BUG_ON(!*pages);
- vi = pages[0]->mapping->host;
+ vi = page_inode(pages[0]);
ni = NTFS_I(vi);
vol = ni->vol;
ntfs_debug("Entering for inode 0x%lx, attribute type 0x%x, start page "
@@ -1494,7 +1494,7 @@ static inline int ntfs_commit_pages_afte
unsigned blocksize, u;
int err;
- vi = pages[0]->mapping->host;
+ vi = page_inode(pages[0]);
ni = NTFS_I(vi);
blocksize = vi->i_sb->s_blocksize;
end = pos + bytes;
@@ -1654,7 +1654,7 @@ static int ntfs_commit_pages_after_write
BUG_ON(!pages);
page = pages[0];
BUG_ON(!page);
- vi = page->mapping->host;
+ vi = page_inode(page);
ni = NTFS_I(vi);
ntfs_debug("Entering for inode 0x%lx, attribute type 0x%x, start page "
"index 0x%lx, nr_pages 0x%x, pos 0x%llx, bytes 0x%zx.",
-
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