237 	kfree(ofs->config.upperdir);  in ovl_free_fs()
348 	if (ofs->config.upperdir) {  in ovl_show_options()
349 		seq_show_option(m, "upperdir", ofs->config.upperdir);  in ovl_show_options()
493 			kfree(config->upperdir);  in ovl_parse_opt()
494 			config->upperdir = match_strdup(&args[0]);  in ovl_parse_opt()
495 			if (!config->upperdir)  in ovl_parse_opt()
569 	if (!config->upperdir && config->workdir) {  in ovl_parse_opt()
584 	if (!config->upperdir && config->redirect_follow)  in ovl_parse_opt()
804 	     (ofs->config.index && ofs->config.upperdir)) && !fh_type) {  in ovl_lower_dir()
824 static bool ovl_workdir_ok(struct dentry *workdir, struct dentry *upperdir)  in ovl_workdir_ok()  argument
828 	if (workdir != upperdir) {  in ovl_workdir_ok()
829 		ok = (lock_rename(workdir, upperdir) == NULL);  in ovl_workdir_ok()
830 		unlock_rename(workdir, upperdir);  in ovl_workdir_ok()
1032 	err = ovl_mount_dir(ofs->config.upperdir, upperpath);  in ovl_get_upper()
1043 	err = ovl_check_namelen(upperpath, ofs, ofs->config.upperdir);  in ovl_get_upper()
1424 	} else if (!ofs->config.upperdir && stacklen == 1) {  in ovl_get_lowerstack()
1427 	} else if (!ofs->config.upperdir && ofs->config.nfs_export &&  in ovl_get_lowerstack()
1601 	if (ofs->config.upperdir) {  in ovl_fill_super()