HAMMER_MAX_MASTERS
tid = (hmp->next_tid + HAMMER_MAX_MASTERS) &
~(hammer_tid_t)(HAMMER_MAX_MASTERS - 1);
hmp->next_tid = tid + count * HAMMER_MAX_MASTERS;
ocp->next_tid += (hmp->master_id < 0) ? 1 : HAMMER_MAX_MASTERS;
if (master_id < -1 || master_id >= HAMMER_MAX_MASTERS)