btree_current_write
btree_complete_write(b, btree_current_write(b));
struct btree_write *w = btree_current_write(b);
btree_complete_write(b, btree_current_write(b));
btree_current_write(b)->prio_blocked++;
if (!btree_current_write(b)->journal) {
if (((btree_current_write(b)->journal - fifo_front_p) &
if (!btree_current_write(b)->journal) {