f2fs: Convert to XArray

This is a straightforward conversion.

Signed-off-by: Matthew Wilcox <willy@infradead.org>
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index 5b76080..69624911 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -2697,13 +2697,13 @@ const struct address_space_operations f2fs_dblock_aops = {
 #endif
 };
 
-void f2fs_clear_radix_tree_dirty_tag(struct page *page)
+void f2fs_clear_page_cache_dirty_tag(struct page *page)
 {
 	struct address_space *mapping = page_mapping(page);
 	unsigned long flags;
 
 	xa_lock_irqsave(&mapping->i_pages, flags);
-	radix_tree_tag_clear(&mapping->i_pages, page_index(page),
+	__xa_clear_mark(&mapping->i_pages, page_index(page),
 						PAGECACHE_TAG_DIRTY);
 	xa_unlock_irqrestore(&mapping->i_pages, flags);
 }