linux-kernel - [PATCH 04/20] nilfs2: Convert nilfs_forget

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Date:   Tue, 14 Nov 2023 17:44:20 +0900
From:   Ryusuke Konishi <konishi.ryusuke@...il.com>
To:     Andrew Morton <akpm@...ux-foundation.org>
Cc:     linux-nilfs@...r.kernel.org, Matthew Wilcox <willy@...radead.org>,
        linux-kernel@...r.kernel.org
Subject: [PATCH 04/20] nilfs2: Convert nilfs_forget_buffer to use a folio

From: "Matthew Wilcox (Oracle)" <willy@...radead.org>

Save two hidden calls to compound_head().

Signed-off-by: Matthew Wilcox (Oracle) <willy@...radead.org>
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@...il.com>
---
 fs/nilfs2/page.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/fs/nilfs2/page.c b/fs/nilfs2/page.c
index 06b04758f289..3882acde1b3e 100644
--- a/fs/nilfs2/page.c
+++ b/fs/nilfs2/page.c
@@ -73,7 +73,7 @@ struct buffer_head *nilfs_grab_buffer(struct inode *inode,
  */
 void nilfs_forget_buffer(struct buffer_head *bh)
 {
-	struct page *page = bh->b_page;
+	struct folio *folio = bh->b_folio;
 	const unsigned long clear_bits =
 		(BIT(BH_Uptodate) | BIT(BH_Dirty) | BIT(BH_Mapped) |
 		 BIT(BH_Async_Write) | BIT(BH_NILFS_Volatile) |
@@ -81,12 +81,12 @@ void nilfs_forget_buffer(struct buffer_head *bh)
 
 	lock_buffer(bh);
 	set_mask_bits(&bh->b_state, clear_bits, 0);
-	if (nilfs_page_buffers_clean(page))
-		__nilfs_clear_page_dirty(page);
+	if (nilfs_page_buffers_clean(&folio->page))
+		__nilfs_clear_page_dirty(&folio->page);
 
 	bh->b_blocknr = -1;
-	ClearPageUptodate(page);
-	ClearPageMappedToDisk(page);
+	folio_clear_uptodate(folio);
+	folio_clear_mappedtodisk(folio);
 	unlock_buffer(bh);
 	brelse(bh);
 }
-- 
2.34.1