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authorPekka Enberg <penberg@cs.helsinki.fi>2006-06-23 02:05:08 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-06-23 07:43:02 -0700
commit090d2b185d8680fc26a2eaf4245d4171dcf4baf1 (patch)
tree67e604e3cd1bad3cfd034bced19a0fbff6a80c30 /fs/ntfs
parentc330dda908b5a46469a997eea90b66f2f9f02b34 (diff)
downloadlinux-linaro-090d2b185d8680fc26a2eaf4245d4171dcf4baf1.tar.gz
[PATCH] read_mapping_page for address space
Add read_mapping_page() which is used for callers that pass mapping->a_ops->readpage as the filler for read_cache_page. This removes some duplication from filesystem code. Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'fs/ntfs')
-rw-r--r--fs/ntfs/aops.h3
-rw-r--r--fs/ntfs/attrib.c6
-rw-r--r--fs/ntfs/file.c3
3 files changed, 4 insertions, 8 deletions
diff --git a/fs/ntfs/aops.h b/fs/ntfs/aops.h
index 3b74e66ca2f..325ce261a10 100644
--- a/fs/ntfs/aops.h
+++ b/fs/ntfs/aops.h
@@ -86,8 +86,7 @@ static inline void ntfs_unmap_page(struct page *page)
static inline struct page *ntfs_map_page(struct address_space *mapping,
unsigned long index)
{
- struct page *page = read_cache_page(mapping, index,
- (filler_t*)mapping->a_ops->readpage, NULL);
+ struct page *page = read_mapping_page(mapping, index, NULL);
if (!IS_ERR(page)) {
wait_on_page_locked(page);
diff --git a/fs/ntfs/attrib.c b/fs/ntfs/attrib.c
index 1663f5c3c6a..6708e1d68a9 100644
--- a/fs/ntfs/attrib.c
+++ b/fs/ntfs/attrib.c
@@ -2529,8 +2529,7 @@ int ntfs_attr_set(ntfs_inode *ni, const s64 ofs, const s64 cnt, const u8 val)
end >>= PAGE_CACHE_SHIFT;
/* If there is a first partial page, need to do it the slow way. */
if (start_ofs) {
- page = read_cache_page(mapping, idx,
- (filler_t*)mapping->a_ops->readpage, NULL);
+ page = read_mapping_page(mapping, idx, NULL);
if (IS_ERR(page)) {
ntfs_error(vol->sb, "Failed to read first partial "
"page (sync error, index 0x%lx).", idx);
@@ -2600,8 +2599,7 @@ int ntfs_attr_set(ntfs_inode *ni, const s64 ofs, const s64 cnt, const u8 val)
}
/* If there is a last partial page, need to do it the slow way. */
if (end_ofs) {
- page = read_cache_page(mapping, idx,
- (filler_t*)mapping->a_ops->readpage, NULL);
+ page = read_mapping_page(mapping, idx, NULL);
if (IS_ERR(page)) {
ntfs_error(vol->sb, "Failed to read last partial page "
"(sync error, index 0x%lx).", idx);
diff --git a/fs/ntfs/file.c b/fs/ntfs/file.c
index 36e1e136bb0..88292f9e4b9 100644
--- a/fs/ntfs/file.c
+++ b/fs/ntfs/file.c
@@ -231,8 +231,7 @@ do_non_resident_extend:
* Read the page. If the page is not present, this will zero
* the uninitialized regions for us.
*/
- page = read_cache_page(mapping, index,
- (filler_t*)mapping->a_ops->readpage, NULL);
+ page = read_mapping_page(mapping, index, NULL);
if (IS_ERR(page)) {
err = PTR_ERR(page);
goto init_err_out;