[PATCH 1/6] mm/page_io: use a folio in __end_swap_bio_read()

From: Peng Zhang
Date: Mon Jul 17 2023 - 09:27:20 EST


From: ZhangPeng <zhangpeng362@xxxxxxxxxx>

Saves three implicit call to compound_head().

Signed-off-by: ZhangPeng <zhangpeng362@xxxxxxxxxx>
---
mm/page_io.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/mm/page_io.c b/mm/page_io.c
index 684cd3c7b59b..ebf431e5f538 100644
--- a/mm/page_io.c
+++ b/mm/page_io.c
@@ -58,18 +58,18 @@ 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 = page_folio(bio_first_page_all(bio));

if (bio->bi_status) {
- SetPageError(page);
- ClearPageUptodate(page);
+ folio_set_error(folio);
+ folio_clear_uptodate(folio);
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)
--
2.25.1