[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>
diff --git a/fs/jfs/jfs_metapage.c b/fs/jfs/jfs_metapage.c
index 2b220dd..7f6e880 100644
--- a/fs/jfs/jfs_metapage.c
+++ b/fs/jfs/jfs_metapage.c
@@ -632,10 +632,9 @@
}
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);