[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>
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Linus Torvalds
parent
c330dda908
commit
090d2b185d
@@ -60,8 +60,7 @@ static int dir_commit_chunk(struct page *page, unsigned from, unsigned to)
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static struct page * dir_get_page(struct inode *dir, unsigned long n)
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{
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struct address_space *mapping = dir->i_mapping;
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struct page *page = read_cache_page(mapping, n,
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(filler_t*)mapping->a_ops->readpage, NULL);
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struct page *page = read_mapping_page(mapping, n, NULL);
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if (!IS_ERR(page)) {
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wait_on_page_locked(page);
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kmap(page);
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