linux-kernel - [PATCH v1] mm/filemap: increase usage of folio_next

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Message-Id: <20231107024635.4512-1-duminjie@vivo.com>
Date:   Tue,  7 Nov 2023 10:46:34 +0800
From:   Minjie Du <duminjie@...o.com>
To:     "Matthew Wilcox (Oracle)" <willy@...radead.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        linux-fsdevel@...r.kernel.org (open list:PAGE CACHE),
        linux-mm@...ck.org (open list:MEMORY MANAGEMENT),
        linux-kernel@...r.kernel.org (open list)
Cc:     opensource.kernel@...o.com, Minjie Du <duminjie@...o.com>
Subject: [PATCH v1] mm/filemap: increase usage of folio_next_index() helper

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

Signed-off-by: Minjie Du <duminjie@...o.com>
---
 mm/filemap.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/filemap.c b/mm/filemap.c
index 9710f43a89ac..ec8a3bbddab4 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -2173,7 +2173,7 @@ unsigned filemap_get_folios_contig(struct address_space *mapping,
 
 	if (nr) {
 		folio = fbatch->folios[nr - 1];
-		*start = folio->index + folio_nr_pages(folio);
+		*start = folio_next_index(folio);
 	}
 out:
 	rcu_read_unlock();
-- 
2.39.0