btr_pushdown_br(br, btrn);
}
+int btr_pushdown_one(struct btr_node *btrn)
+{
+ struct btr_buffer_reference *br;
+
+ if (list_empty(&btrn->input_queue))
+ return 0;
+ br = list_first_entry(&btrn->input_queue, struct btr_buffer_reference, node);
+ btr_pushdown_br(br, btrn);
+ return 1;
+}
+
/* Return true if this node has no children. */
bool btr_no_children(struct btr_node *btrn)
{
return (len == 0 && btr_no_parent(btrn));
}
+
+void log_tree_recursively(struct btr_node *btrn, int loglevel, int depth)
+{
+ struct btr_node *ch;
+ const char spaces[] = " ", *space = spaces + 16 - depth;
+
+ if (depth > 16)
+ return;
+ para_log(loglevel, "%s%s\n", space, btrn->name);
+ FOR_EACH_CHILD(ch, btrn)
+ log_tree_recursively(ch, loglevel, depth + 1);
+}
+
+void btr_log_tree(struct btr_node *btrn, int loglevel)
+{
+ return log_tree_recursively(btrn, loglevel, 0);
+}