int llog_cat_id2handle(const struct lu_env *env, struct llog_handle *cathandle,
struct llog_handle **res, struct llog_logid *logid);
int class_config_dump_handler(const struct lu_env *env,
int llog_cat_id2handle(const struct lu_env *env, struct llog_handle *cathandle,
struct llog_handle **res, struct llog_logid *logid);
int class_config_dump_handler(const struct lu_env *env,