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[PATCH] read_mapping_page for address space

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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>
This commit is contained in:
Pekka Enberg
2006-06-23 02:05:08 -07:00
committed by Linus Torvalds
parent c330dda908
commit 090d2b185d
22 changed files with 38 additions and 56 deletions
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fs/sysv/dir.c
+1 -2
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@@ -53,8 +53,7 @@ static int dir_commit_chunk(struct page *page, unsigned from, unsigned to)
static struct page * dir_get_page(struct inode *dir, unsigned long n)
{
struct address_space *mapping = dir->i_mapping;
struct page *page = read_cache_page(mapping, n,
(filler_t*)mapping->a_ops->readpage, NULL);
struct page *page = read_mapping_page(mapping, n, NULL);
if (!IS_ERR(page)) {
wait_on_page_locked(page);
kmap(page);