251 	kfree(ofs->config.upperdir);  in ovl_free_fs()
367 	if (ofs->config.upperdir) {  in ovl_show_options()
368 		seq_show_option(m, "upperdir", ofs->config.upperdir);  in ovl_show_options()
536 			kfree(config->upperdir);  in ovl_parse_opt()
537 			config->upperdir = match_strdup(&args[0]);  in ovl_parse_opt()
538 			if (!config->upperdir)  in ovl_parse_opt()
630 	if (!config->upperdir) {  in ovl_parse_opt()
644 	if (!config->upperdir && config->ovl_volatile) {  in ovl_parse_opt()
657 	if (!config->upperdir && config->redirect_follow)  in ovl_parse_opt()
683 		if (!config->upperdir && config->redirect_follow) {  in ovl_parse_opt()
920 	     (ofs->config.index && ofs->config.upperdir)) && !fh_type) {  in ovl_lower_dir()
935 static bool ovl_workdir_ok(struct dentry *workdir, struct dentry *upperdir)  in ovl_workdir_ok()  argument
939 	if (workdir != upperdir) {  in ovl_workdir_ok()
940 		ok = (lock_rename(workdir, upperdir) == NULL);  in ovl_workdir_ok()
941 		unlock_rename(workdir, upperdir);  in ovl_workdir_ok()
1145 	err = ovl_mount_dir(ofs->config.upperdir, upperpath);  in ovl_get_upper()
1156 	err = ovl_check_namelen(upperpath, ofs, ofs->config.upperdir);  in ovl_get_upper()
1733 	if (!ofs->config.upperdir && numlower == 1) {  in ovl_get_lowerstack()
1971 	if (ofs->config.upperdir) {  in ovl_fill_super()