[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, 2 insertions, 3 deletions

diff --git a/fs/jfs/jfs_metapage.c b/fs/jfs/jfs_metapage.c
index 2b220dd6b4e7..7f6e88039700 100644
--- a/fs/jfs/jfs_metapage.c
+++ b/fs/jfs/jfs_metapage.c
@@ -632,10 +632,9 @@ struct metapage *__get_metapage(struct inode *inode, unsigned long lblock,
                 }
                 SetPageUptodate(page);
         } else {
-                page = read_cache_page(mapping, page_index,
-                            (filler_t *)mapping->a_ops->readpage, NULL);
+                page = read_mapping_page(mapping, page_index, NULL);
                 if (IS_ERR(page) || !PageUptodate(page)) {
-                        jfs_err("read_cache_page failed!");
+                        jfs_err("read_mapping_page failed!");
                         return NULL;
                 }
                 lock_page(page);