diff --git a/include/linux/fs.h b/include/linux/fs.h
index d7eba77..e38a64d 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1184,6 +1184,11 @@
 	 * generic_show_options()
 	 */
 	char *s_options;
+
+	/*
+	 * storage for asynchronous operations
+	 */
+	struct list_head s_async_list;
 };
 
 extern struct timespec current_fs_time(struct super_block *sb);