diff --git a/include/linux/fs.h b/include/linux/fs.h
index 9b678052..925a431e 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1383,6 +1383,11 @@ struct super_block {
 	 * generic_show_options()
 	 */
 	char *s_options;
+	
+	/*
+	* Saved pool identifier for cleancache (-1 means none)
+	*/
+	int cleancache_poolid;
 };
 
 extern struct timespec current_fs_time(struct super_block *sb);