linux-kernel - [PATCH 3/8] f2fs: drop usage of page

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Date: Thu, 18 Apr 2024 00:08:37 +0800
From: Kairui Song <ryncsn@...il.com>
To: linux-mm@...ck.org
Cc: Andrew Morton <akpm@...ux-foundation.org>,
	"Huang, Ying" <ying.huang@...el.com>,
	Matthew Wilcox <willy@...radead.org>,
	Chris Li <chrisl@...nel.org>,
	Barry Song <v-songbaohua@...o.com>,
	Ryan Roberts <ryan.roberts@....com>,
	Neil Brown <neilb@...e.de>,
	Minchan Kim <minchan@...nel.org>,
	Hugh Dickins <hughd@...gle.com>,
	David Hildenbrand <david@...hat.com>,
	Yosry Ahmed <yosryahmed@...gle.com>,
	linux-fsdevel@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Kairui Song <kasong@...cent.com>,
	Chao Yu <chao@...nel.org>,
	Jaegeuk Kim <jaegeuk@...nel.org>,
	linux-f2fs-devel@...ts.sourceforge.net
Subject: [PATCH 3/8] f2fs: drop usage of page_index

From: Kairui Song <kasong@...cent.com>

page_index is needed for mixed usage of page cache and swap cache,
for pure page cache usage, the caller can just use page->index instead.

It can't be a swap cache page here, so just drop it.

Signed-off-by: Kairui Song <kasong@...cent.com>
Cc: Chao Yu <chao@...nel.org>
Cc: Jaegeuk Kim <jaegeuk@...nel.org>
Cc: linux-f2fs-devel@...ts.sourceforge.net
---
 fs/f2fs/data.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index d9494b5fc7c1..12d5bbd18755 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -2057,7 +2057,7 @@ static int f2fs_read_single_page(struct inode *inode, struct page *page,
 	sector_t block_nr;
 	int ret = 0;
 
-	block_in_file = (sector_t)page_index(page);
+	block_in_file = (sector_t)page->index;
 	last_block = block_in_file + nr_pages;
 	last_block_in_file = bytes_to_blks(inode,
 			f2fs_readpage_limit(inode) + blocksize - 1);
@@ -4086,8 +4086,7 @@ void f2fs_clear_page_cache_dirty_tag(struct page *page)
 	unsigned long flags;
 
 	xa_lock_irqsave(&mapping->i_pages, flags);
-	__xa_clear_mark(&mapping->i_pages, page_index(page),
-						PAGECACHE_TAG_DIRTY);
+	__xa_clear_mark(&mapping->i_pages, page->index, PAGECACHE_TAG_DIRTY);
 	xa_unlock_irqrestore(&mapping->i_pages, flags);
 }
 
-- 
2.44.0