Commit bc74b53f authored by ZhangPeng's avatar ZhangPeng Committed by Andrew Morton
Browse files

mm/page_io: use a folio in __end_swap_bio_read() 

Saves one implicit call to compound_head().

Link: https://lkml.kernel.org/r/20230721034451.16412-6-zhangpeng362@huawei.com


Signed-off-by: default avatarZhangPeng <zhangpeng362@huawei.com>
Cc: Christoph Hellwig <hch@infradead.org>
Cc: Kefeng Wang <wangkefeng.wang@huawei.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Nanyong Sun <sunnanyong@huawei.com>
Cc: Sidhartha Kumar <sidhartha.kumar@oracle.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
parent a3ed1e9b

mm/page_io.c

+3 −3
Original line number Diff line number Diff line
@@ -57,16 +57,16 @@ static void end_swap_bio_write(struct bio *bio) 


static void __end_swap_bio_read(struct bio *bio)

{

	struct page *page = bio_first_page_all(bio);

	struct folio *folio = bio_first_folio_all(bio);



	if (bio->bi_status) {

		pr_alert_ratelimited("Read-error on swap-device (%u:%u:%llu)\n",

				     MAJOR(bio_dev(bio)), MINOR(bio_dev(bio)),

				     (unsigned long long)bio->bi_iter.bi_sector);

	} else {

		SetPageUptodate(page);

		folio_mark_uptodate(folio);

	}

	unlock_page(page);

	folio_unlock(folio);

}



static void end_swap_bio_read(struct bio *bio)