f2fs: Convert set_page_private_data() to folio_set_f2fs_data()

The only caller has a folio, so pass it in and operate on it.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

Author: Matthew Wilcox (Oracle)

fs/f2fs/compress.c

@@ -1953,7 +1953,7 @@ void f2fs_cache_compressed_page(struct f2fs_sb_info *sbi, struct page *page,
 		return;
 	}
 
-	set_page_private_data(&cfolio->page, ino);
+	folio_set_f2fs_data(cfolio, ino);
 
 	memcpy(folio_address(cfolio), page_address(page), PAGE_SIZE);
 	folio_mark_uptodate(cfolio);

fs/f2fs/f2fs.h

@@ -2537,12 +2537,14 @@ static inline unsigned long get_page_private_data(struct page *page)
 	return data >> PAGE_PRIVATE_MAX;
 }
 
-static inline void set_page_private_data(struct page *page, unsigned long data)
+static inline void folio_set_f2fs_data(struct folio *folio, unsigned long data)
 {
-	if (!PagePrivate(page))
-		attach_page_private(page, (void *)0);
-	set_bit(PAGE_PRIVATE_NOT_POINTER, &page_private(page));
-	page_private(page) |= data << PAGE_PRIVATE_MAX;
+	data = (1UL << PAGE_PRIVATE_NOT_POINTER) | (data << PAGE_PRIVATE_MAX);
+
+	if (!folio_test_private(folio))
+		folio_attach_private(folio, (void *)data);
+	else
+		folio->private = (void *)((unsigned long)folio->private | data);
 }
 
 static inline void clear_page_private_data(struct page *page)