Commit a3ed1e9b authored by ZhangPeng's avatar ZhangPeng Committed by Andrew Morton
Browse files

mm/page_io: use a folio in __end_swap_bio_write() 

Saves two implicit call to compound_head().

Link: https://lkml.kernel.org/r/20230721034451.16412-5-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 6d2790d9

mm/page_io.c

+4 −4
Original line number Diff line number Diff line
@@ -29,7 +29,7 @@ 


static void __end_swap_bio_write(struct bio *bio)

{

	struct page *page = bio_first_page_all(bio);

	struct folio *folio = bio_first_folio_all(bio);



	if (bio->bi_status) {

		/*
@@ -40,13 +40,13 @@ static void __end_swap_bio_write(struct bio *bio) 
		 *

		 * Also clear PG_reclaim to avoid folio_rotate_reclaimable()

		 */

		set_page_dirty(page);

		folio_mark_dirty(folio);

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

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

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

		ClearPageReclaim(page);

		folio_clear_reclaim(folio);

	}

	end_page_writeback(page);

	folio_end_writeback(folio);

}



static void end_swap_bio_write(struct bio *bio)