+ mm-page_io-use-a-folio-in-__end_swap_bio_read.patch added to mm-unstable branch

+ mm-page_io-use-a-folio-in-__end_swap_bio_read.patch added to mm-unstable branch

[Andrew Morton]

The patch titled
     Subject: mm/page_io: use a folio in __end_swap_bio_read()
has been added to the -mm mm-unstable branch.  Its filename is
     mm-page_io-use-a-folio-in-__end_swap_bio_read.patch

This patch will shortly appear at
     https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-page_io-use-a-folio-in-__end_swap_bio_read.patch

This patch will later appear in the mm-unstable branch at
    git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

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------------------------------------------------------
From: ZhangPeng <zhangpeng362@huawei.com>
Subject: mm/page_io: use a folio in __end_swap_bio_read()
Date: Fri, 21 Jul 2023 11:44:46 +0800

Saves one implicit call to compound_head().

Link: https://lkml.kernel.org/r/20230721034451.16412-6-zhangpeng362@huawei.com
Signed-off-by: ZhangPeng <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: Andrew Morton <akpm@linux-foundation.org>
---

 mm/page_io.c |    6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

--- a/mm/page_io.c~mm-page_io-use-a-folio-in-__end_swap_bio_read
+++ a/mm/page_io.c
@@ -57,16 +57,16 @@ static void end_swap_bio_write(struct bi
 
 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)
_

Patches currently in -mm which might be from zhangpeng362@huawei.com are

mm-use-a-folio-in-fault_dirty_shared_page.patch
mm-remove-page_rmapping.patch
mm-page_io-remove-unneeded-clearpageuptodate.patch
mm-page_io-remove-unneeded-setpageerror.patch
mm-page_io-introduce-bio_first_folio_all.patch
mm-page_io-use-a-folio-in-__end_swap_bio_write.patch
mm-page_io-use-a-folio-in-__end_swap_bio_read.patch
mm-page_io-use-a-folio-in-sio_read_complete.patch
mm-page_io-use-a-folio-in-swap_writepage_bdev_sync.patch
mm-page_io-use-a-folio-in-swap_writepage_bdev_async.patch
mm-page_io-convert-count_swpout_vm_event-to-take-in-a-folio.patch
mm-page_io-convert-bio_associate_blkg_from_page-to-take-in-a-folio.patch