[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, 2 deletions

diff --git a/fs/partitions/check.c b/fs/partitions/check.c
index 8851b81e7c5a..cd885b23cb5c 100644
--- a/fs/partitions/check.c
+++ b/fs/partitions/check.c
@@ -499,8 +499,8 @@ unsigned char *read_dev_sector(struct block_device *bdev, sector_t n, Sector *p)
         struct address_space *mapping = bdev->bd_inode->i_mapping;
         struct page *page;
 
-        page = read_cache_page(mapping, (pgoff_t)(n >> (PAGE_CACHE_SHIFT-9)),
-                        (filler_t *)mapping->a_ops->readpage, NULL);
+        page = read_mapping_page(mapping, (pgoff_t)(n >> (PAGE_CACHE_SHIFT-9)),
+                                 NULL);
         if (!IS_ERR(page)) {
                 wait_on_page_locked(page);
                 if (!PageUptodate(page))