Lines Matching defs:head_block
1618 int tail_block, head_block;
1626 head_block = log->l_curr_block;
1643 head_block < tail_block ||
1644 head_block >= log->l_logBBsize))
1646 tail_distance = tail_block + (log->l_logBBsize - head_block);
1654 head_block >= tail_block ||
1657 tail_distance = tail_block - head_block;
1679 if ((head_block + max_distance) <= log->l_logBBsize) {
1688 head_block, max_distance, tail_cycle,
1700 distance = log->l_logBBsize - head_block;
1702 head_block, distance, tail_cycle,
1716 distance = max_distance - (log->l_logBBsize - head_block);