linux-kernel - [PATCH v1] mm:page-writeback:use folio_next_index() helper in writeback

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Message-Id: <20240821063112.4053157-1-liyuesong@vivo.com>
Date: Wed, 21 Aug 2024 14:31:12 +0800
From: Yuesong Li <liyuesong@...o.com>
To: akpm@...ux-foundation.org,
	willy@...radead.org
Cc: linux-fsdevel@...r.kernel.org,
	linux-mm@...ck.org,
	linux-kernel@...r.kernel.org,
	opensource.kernel@...o.com,
	Yuesong Li <liyuesong@...o.com>
Subject: [PATCH v1] mm:page-writeback:use folio_next_index() helper in writeback_iter()

Simplify code pattern of 'folio->index + folio_nr_pages(folio)' by using
the existing helper folio_next_index().

Signed-off-by: Yuesong Li <liyuesong@...o.com>
---
 mm/page-writeback.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/page-writeback.c b/mm/page-writeback.c
index 7a04cb1918fd..fcd4c1439cb9 100644
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -2612,7 +2612,7 @@ struct folio *writeback_iter(struct address_space *mapping,
 
 done:
 	if (wbc->range_cyclic)
-		mapping->writeback_index = folio->index + folio_nr_pages(folio);
+		mapping->writeback_index = folio_next_index(folio);
 	folio_batch_release(&wbc->fbatch);
 	return NULL;
 }
-- 
2.34.1