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mm: pass a folio to swap_readpage_bdev_async() 

Make it plain that this takes the head page (which before this point
was just an assumption, but is now enforced by the compiler).

Link: https://lkml.kernel.org/r/20231213215842.671461-9-willy@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Matthew Wilcox (Oracle) 2023-12-13 21:58:37 +00:00 committed by Andrew Morton
parent 2c184d821e
commit 3c3ebd82e0
1 changed files with 4 additions and 4 deletions
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8
mm/page_io.c
View File

@ -474,15 +474,15 @@ static void swap_readpage_bdev_sync(struct folio *folio,
put_task_struct(current);
}
static void swap_readpage_bdev_async(struct page *page,
static void swap_readpage_bdev_async(struct folio *folio,
struct swap_info_struct *sis)
{
struct bio *bio;
bio = bio_alloc(sis->bdev, 1, REQ_OP_READ, GFP_KERNEL);
bio->bi_iter.bi_sector = swap_page_sector(page);
bio->bi_iter.bi_sector = swap_page_sector(&folio->page);
bio->bi_end_io = end_swap_bio_read;
__bio_add_page(bio, page, thp_size(page), 0);
bio_add_folio_nofail(bio, folio, folio_size(folio), 0);
count_vm_event(PSWPIN);
submit_bio(bio);
}
@ -518,7 +518,7 @@ void swap_readpage(struct page *page, bool synchronous, struct swap_iocb **plug)
} else if (synchronous || (sis->flags & SWP_SYNCHRONOUS_IO)) {
swap_readpage_bdev_sync(folio, sis);
} else {
swap_readpage_bdev_async(page, sis);
swap_readpage_bdev_async(folio, sis);
}
if (workingset) {