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Message-Id: <20240820145507.1372905-1-chao@kernel.org>
Date: Tue, 20 Aug 2024 22:54:59 +0800
From: Chao Yu <chao@...nel.org>
To: jaegeuk@...nel.org
Cc: linux-f2fs-devel@...ts.sourceforge.net,
	linux-kernel@...r.kernel.org,
	Chao Yu <chao@...nel.org>,
	Matthew Wilcox <willy@...radead.org>
Subject: [PATCH v3 1/9] f2fs: convert f2fs_submit_page_read() to use folio

Convert to use folio, so that we can get rid of 'page->index' to
prepare for removal of 'index' field in structure page [1].

[1] https://lore.kernel.org/all/Zp8fgUSIBGQ1TN0D@casper.infradead.org/

Cc: Matthew Wilcox <willy@...radead.org>
Signed-off-by: Chao Yu <chao@...nel.org>
---
 fs/f2fs/data.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index 4f4e76c33611..0655fddfc4ba 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -1086,7 +1086,7 @@ static struct bio *f2fs_grab_read_bio(struct inode *inode, block_t blkaddr,
 }
 
 /* This can handle encryption stuffs */
-static int f2fs_submit_page_read(struct inode *inode, struct page *page,
+static int f2fs_submit_page_read(struct inode *inode, struct folio *folio,
 				 block_t blkaddr, blk_opf_t op_flags,
 				 bool for_write)
 {
@@ -1094,14 +1094,14 @@ static int f2fs_submit_page_read(struct inode *inode, struct page *page,
 	struct bio *bio;
 
 	bio = f2fs_grab_read_bio(inode, blkaddr, 1, op_flags,
-					page->index, for_write);
+					folio->index, for_write);
 	if (IS_ERR(bio))
 		return PTR_ERR(bio);
 
 	/* wait for GCed page writeback via META_MAPPING */
 	f2fs_wait_on_block_writeback(inode, blkaddr);
 
-	if (bio_add_page(bio, page, PAGE_SIZE, 0) < PAGE_SIZE) {
+	if (!bio_add_folio(bio, folio, PAGE_SIZE, 0)) {
 		iostat_update_and_unbind_ctx(bio);
 		if (bio->bi_private)
 			mempool_free(bio->bi_private, bio_post_read_ctx_pool);
@@ -1269,7 +1269,7 @@ struct page *f2fs_get_read_data_page(struct inode *inode, pgoff_t index,
 		return page;
 	}
 
-	err = f2fs_submit_page_read(inode, page, dn.data_blkaddr,
+	err = f2fs_submit_page_read(inode, page_folio(page), dn.data_blkaddr,
 						op_flags, for_write);
 	if (err)
 		goto put_err;
@@ -3668,8 +3668,8 @@ static int f2fs_write_begin(struct file *file, struct address_space *mapping,
 			goto fail;
 		}
 		err = f2fs_submit_page_read(use_cow ?
-				F2FS_I(inode)->cow_inode : inode, page,
-				blkaddr, 0, true);
+				F2FS_I(inode)->cow_inode : inode,
+				page_folio(page), blkaddr, 0, true);
 		if (err)
 			goto fail;
 
-- 
2.40.1


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