[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>

1 files changed, 1 insertions, 2 deletions

diff --git a/fs/ntfs/file.c b/fs/ntfs/file.c
index 36e1e136bb0c..88292f9e4b9b 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;