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From: Kairui Song <ryncsn@gmail.com>
To: linux-mm@kvack.org
Cc: Andrew Morton <akpm@linux-foundation.org>,
	"Huang, Ying" <ying.huang@intel.com>,
	Matthew Wilcox <willy@infradead.org>,
	Chris Li <chrisl@kernel.org>,
	Barry Song <v-songbaohua@oppo.com>,
	Ryan Roberts <ryan.roberts@arm.com>,
	Neil Brown <neilb@suse.de>,
	Minchan Kim <minchan@kernel.org>,
	Hugh Dickins <hughd@google.com>,
	David Hildenbrand <david@redhat.com>,
	Yosry Ahmed <yosryahmed@google.com>,
	linux-fsdevel@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	Kairui Song <kasong@tencent.com>,
	Chao Yu <chao@kernel.org>,
	Jaegeuk Kim <jaegeuk@kernel.org>,
	linux-f2fs-devel@lists.sourceforge.net
Subject: [PATCH v4 01/12] f2fs: drop usage of page_index
Date: Thu,  2 May 2024 16:45:58 +0800
Message-ID: <20240502084609.28376-2-ryncsn@gmail.com>
In-Reply-To: <20240502084609.28376-1-ryncsn@gmail.com>
References: <20240502084609.28376-1-ryncsn@gmail.com>
Reply-To: Kairui Song <kasong@tencent.com>
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From: Kairui Song <kasong@tencent.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.

[ This commit will not be needed once f2fs converted
  f2fs_mpage_readpages() to use folio]

Signed-off-by: Kairui Song <kasong@tencent.com>
Cc: Chao Yu <chao@kernel.org>
Cc: Jaegeuk Kim <jaegeuk@kernel.org>
Cc: linux-f2fs-devel@lists.sourceforge.net
---
 fs/f2fs/data.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index 961e6ff77c72..c0e1459702e6 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);
-- 
2.44.0