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mm: remove file argument from swap_readpage()
The file argument resulted from address_space's readpage long time ago. We don't use it any more. Let's remove unnecessary argement. Signed-off-by: Minchan Kim <minchan.kim@gmail.com> Acked-by: Hugh Dickins <hugh.dickins@tiscali.co.uk> Reviewed-by: Rik van Riel <riel@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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@ -256,7 +256,7 @@ extern void swap_unplug_io_fn(struct backing_dev_info *, struct page *);
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#ifdef CONFIG_SWAP
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/* linux/mm/page_io.c */
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extern int swap_readpage(struct file *, struct page *);
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extern int swap_readpage(struct page *);
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extern int swap_writepage(struct page *page, struct writeback_control *wbc);
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extern void end_swap_bio_read(struct bio *bio, int err);
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@ -120,7 +120,7 @@ out:
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return ret;
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}
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int swap_readpage(struct file *file, struct page *page)
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int swap_readpage(struct page *page)
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{
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struct bio *bio;
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int ret = 0;
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@ -313,7 +313,7 @@ struct page *read_swap_cache_async(swp_entry_t entry, gfp_t gfp_mask,
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* Initiate read into locked page and return.
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*/
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lru_cache_add_anon(new_page);
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swap_readpage(NULL, new_page);
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swap_readpage(new_page);
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return new_page;
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}
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ClearPageSwapBacked(new_page);
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