Lines Matching defs:head_block
1612 int tail_block, head_block;
1620 head_block = log->l_curr_block;
1637 head_block < tail_block ||
1638 head_block >= log->l_logBBsize))
1640 tail_distance = tail_block + (log->l_logBBsize - head_block);
1648 head_block >= tail_block ||
1651 tail_distance = tail_block - head_block;
1673 if ((head_block + max_distance) <= log->l_logBBsize) {
1682 head_block, max_distance, tail_cycle,
1694 distance = log->l_logBBsize - head_block;
1696 head_block, distance, tail_cycle,
1710 distance = max_distance - (log->l_logBBsize - head_block);