module_start_func_t
module_start_func_t ndmpd_zfs_backup_starter;
module_start_func_t ndmpd_zfs_restore_starter;
module_start_func_t *dm_start_func; /* start function */
module_start_func_t ndmpd_tar_backup_starter;
module_start_func_t ndmpd_tar_restore_starter;
module_start_func_t ndmpd_tar_backup_starter_v3;
module_start_func_t ndmpd_tar_restore_starter_v3;