2023-07-19 10:14:39

by zhangpeng (AS)

[permalink] [raw]
Subject: [PATCH v2 4/9] mm/page_io: use a folio in __end_swap_bio_read()

From: ZhangPeng <[email protected]>

Saves one implicit call to compound_head().

Signed-off-by: ZhangPeng <[email protected]>
---
mm/page_io.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/mm/page_io.c b/mm/page_io.c
index e21d570c873d..6520687bd282 100644
--- a/mm/page_io.c
+++ b/mm/page_io.c
@@ -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_folio_all(bio)->page;
+ 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)
--
2.25.1