dm_table_size
size = dm_table_size(&dmv->table_head);
dm_table_size(&dmv->table_head)) <= 0) {
ap->a_result = (int64_t)dm_table_size(&dmv->table_head);
dmp_size = dm_table_size(head);
uint64_t dm_table_size(dm_table_head_t *);