send_command
rv = send_command(path, "get usage all", args, &res);
if (send_command(dirname, "set usage all", args, &res) == false) {
if (send_command(dirname, "set limit", args, &res) == false) {
if (send_command(dirname, "set limit uid", args, &res) == false) {
if (send_command(dirname, "set limit gid", args, &res) == false) {