[PATCH] blk_run_page(): fixup for swap_unplug_io_fn()

include/linux/swap.h

@@ -181,7 +181,7 @@ extern int vm_swappiness;
 extern int shmem_unuse(swp_entry_t entry, struct page *page);
 #endif /* CONFIG_MMU */
 
-extern void swap_unplug_io_fn(struct backing_dev_info *);
+extern void swap_unplug_io_fn(struct backing_dev_info *, struct page *);
 
 #ifdef CONFIG_SWAP
 /* linux/mm/page_io.c */

mm/filemap.c

@@ -127,7 +127,7 @@ static inline int sync_page(struct page *page)
 		if (mapping->a_ops && mapping->a_ops->sync_page)
 			return mapping->a_ops->sync_page(page);
 	} else if (PageSwapCache(page)) {
-		swap_unplug_io_fn(NULL);
+		swap_unplug_io_fn(NULL, page);
 	}
 	return 0;
 }

mm/swapfile.c

@@ -88,7 +88,7 @@ static void remove_swap_bdev(struct block_device *bdev)
 	BUG();
 }
 
-void swap_unplug_io_fn(struct backing_dev_info *unused_bdi)
+void swap_unplug_io_fn(struct backing_dev_info *unused_bdi, struct page *page)
 {
 	int i;