diff --git a/include/linux/fs.h b/include/linux/fs.h
index 5adf32b..972435d 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -350,7 +350,7 @@
 struct address_space_operations {
 	int (*writepage)(struct page *page, struct writeback_control *wbc);
 	int (*readpage)(struct file *, struct page *);
-	int (*sync_page)(struct page *);
+	void (*sync_page)(struct page *);
 
 	/* Write back some dirty pages from this mapping. */
 	int (*writepages)(struct address_space *, struct writeback_control *);