236 	kfree(ofs->config.upperdir);  in ovl_free_fs()
347 	if (ofs->config.upperdir) {  in ovl_show_options()
348 		seq_show_option(m, "upperdir", ofs->config.upperdir);  in ovl_show_options()
490 			kfree(config->upperdir);  in ovl_parse_opt()
491 			config->upperdir = match_strdup(&args[0]);  in ovl_parse_opt()
492 			if (!config->upperdir)  in ovl_parse_opt()
564 	if (!config->upperdir && config->workdir) {  in ovl_parse_opt()
576 	if (config->upperdir && config->metacopy && !config->redirect_dir) {  in ovl_parse_opt()
780 	     (ofs->config.index && ofs->config.upperdir)) && !fh_type) {  in ovl_lower_dir()
800 static bool ovl_workdir_ok(struct dentry *workdir, struct dentry *upperdir)  in ovl_workdir_ok()  argument
804 	if (workdir != upperdir) {  in ovl_workdir_ok()
805 		ok = (lock_rename(workdir, upperdir) == NULL);  in ovl_workdir_ok()
806 		unlock_rename(workdir, upperdir);  in ovl_workdir_ok()
970 	err = ovl_mount_dir(ofs->config.upperdir, upperpath);  in ovl_get_upper()
981 	err = ovl_check_namelen(upperpath, ofs, ofs->config.upperdir);  in ovl_get_upper()
1307 	} else if (!ofs->config.upperdir && stacklen == 1) {  in ovl_get_lowerstack()
1310 	} else if (!ofs->config.upperdir && ofs->config.nfs_export &&  in ovl_get_lowerstack()
1410 	if (ofs->config.upperdir) {  in ovl_fill_super()