f2fs: convert f2fs_write_inline_data() 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@infradead.org>
Signed-off-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

fs/f2fs/data.c

@@ -2866,7 +2866,7 @@ int f2fs_write_single_data_page(struct page *page, int *submitted,
 
 	err = -EAGAIN;
 	if (f2fs_has_inline_data(inode)) {
-		err = f2fs_write_inline_data(inode, page);
+		err = f2fs_write_inline_data(inode, folio);
 		if (!err)
 			goto out;
 	}

fs/f2fs/f2fs.h

@@ -4185,7 +4185,7 @@ int f2fs_read_inline_data(struct inode *inode, struct folio *folio);
 int f2fs_convert_inline_page(struct dnode_of_data *dn, struct page *page);
 int f2fs_convert_inline_inode(struct inode *inode);
 int f2fs_try_convert_inline_dir(struct inode *dir, struct dentry *dentry);
-int f2fs_write_inline_data(struct inode *inode, struct page *page);
+int f2fs_write_inline_data(struct inode *inode, struct folio *folio);
 int f2fs_recover_inline_data(struct inode *inode, struct page *npage);
 struct f2fs_dir_entry *f2fs_find_in_inline_dir(struct inode *dir,
 					const struct f2fs_filename *fname,

fs/f2fs/inline.c

@@ -260,7 +260,7 @@ int f2fs_convert_inline_inode(struct inode *inode)
 	return err;
 }
 
-int f2fs_write_inline_data(struct inode *inode, struct page *page)
+int f2fs_write_inline_data(struct inode *inode, struct folio *folio)
 {
 	struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
 	struct page *ipage;
@@ -274,14 +274,14 @@ int f2fs_write_inline_data(struct inode *inode, struct page *page)
 		return -EAGAIN;
 	}
 
-	f2fs_bug_on(F2FS_I_SB(inode), page->index);
+	f2fs_bug_on(F2FS_I_SB(inode), folio->index);
 
 	f2fs_wait_on_page_writeback(ipage, NODE, true, true);
-	memcpy_from_page(inline_data_addr(inode, ipage),
-			 page, 0, MAX_INLINE_DATA(inode));
+	memcpy_from_folio(inline_data_addr(inode, ipage),
+			 folio, 0, MAX_INLINE_DATA(inode));
 	set_page_dirty(ipage);
 
-	f2fs_clear_page_cache_dirty_tag(page_folio(page));
+	f2fs_clear_page_cache_dirty_tag(folio);
 
 	set_inode_flag(inode, FI_APPEND_WRITE);
 	set_inode_flag(inode, FI_DATA_EXIST);

fs/f2fs/node.c

@@ -1535,7 +1535,7 @@ static void flush_inline_data(struct f2fs_sb_info *sbi, nid_t ino)
 	if (!clear_page_dirty_for_io(page))
 		goto page_out;
 
-	ret = f2fs_write_inline_data(inode, page);
+	ret = f2fs_write_inline_data(inode, page_folio(page));
 	inode_dec_dirty_pages(inode);
 	f2fs_remove_dirty_inode(inode);
 	if (ret)