[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, 3 deletions

diff --git a/fs/cramfs/inode.c b/fs/cramfs/inode.c
index 8a9d5d3b3262..c45d73860803 100644
--- a/fs/cramfs/inode.c
+++ b/fs/cramfs/inode.c
@@ -181,9 +181,7 @@ static void *cramfs_read(struct super_block *sb, unsigned int offset, unsigned i
                 struct page *page = NULL;
 
                 if (blocknr + i < devsize) {
-                        page = read_cache_page(mapping, blocknr + i,
-                                (filler_t *)mapping->a_ops->readpage,
-                                NULL);
+                        page = read_mapping_page(mapping, blocknr + i, NULL);
                         /* synchronous error? */
                         if (IS_ERR(page))
                                 page = NULL;