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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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mm/swapfile.c
+1 -2
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@@ -1477,8 +1477,7 @@ asmlinkage long sys_swapon(const char __user * specialfile, int swap_flags)
error = -EINVAL;
goto bad_swap;
}
page = read_cache_page(mapping, 0,
(filler_t *)mapping->a_ops->readpage, swap_file);
page = read_mapping_page(mapping, 0, swap_file);
if (IS_ERR(page)) {
error = PTR_ERR(page);
goto bad_swap;