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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 <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Pekka Enberg 2006-06-23 02:05:08 -07:00 • committed by Linus Torvalds
commit 090d2b185d
22 changed files with 38 additions and 56 deletions
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5
fs/jfs/jfs_metapage.c
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@ -632,10 +632,9 @@ struct metapage *__get_metapage(struct inode *inode, unsigned long lblock,
}
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);