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authorPekka Enberg <penberg@cs.helsinki.fi>2006-06-23 02:05:08 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-06-23 07:43:02 -0700
commit090d2b185d8680fc26a2eaf4245d4171dcf4baf1 (patch)
tree67e604e3cd1bad3cfd034bced19a0fbff6a80c30 /include/linux
parentc330dda908b5a46469a997eea90b66f2f9f02b34 (diff)
[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>
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/pagemap.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/pagemap.h b/include/linux/pagemap.h
index 7a1af574ded..1245df7141a 100644
--- a/include/linux/pagemap.h
+++ b/include/linux/pagemap.h
@@ -99,6 +99,13 @@ extern struct page * read_cache_page(struct address_space *mapping,
extern int read_cache_pages(struct address_space *mapping,
struct list_head *pages, filler_t *filler, void *data);
+static inline struct page *read_mapping_page(struct address_space *mapping,
+ unsigned long index, void *data)
+{
+ filler_t *filler = (filler_t *)mapping->a_ops->readpage;
+ return read_cache_page(mapping, index, filler, data);
+}
+
int add_to_page_cache(struct page *page, struct address_space *mapping,
unsigned long index, gfp_t gfp_mask);
int add_to_page_cache_lru(struct page *page, struct address_space *mapping,