Lines Matching refs:lower
177 /* List of lower level edges, which link this node to its children */
178 struct list_head lower;
215 * Represent an edge connecting upper and lower backref nodes.
219 * list[LOWER] is linked to btrfs_backref_node::upper of lower level
220 * node, and list[UPPER] is linked to btrfs_backref_node::lower of
281 struct btrfs_backref_node *lower,
285 ASSERT(upper && lower && upper->level == lower->level + 1);
286 edge->node[LOWER] = lower;
289 list_add_tail(&edge->list[LOWER], &lower->upper);
291 list_add_tail(&edge->list[UPPER], &upper->lower);
299 ASSERT(list_empty(&node->lower));
349 list_del_init(&node->lower);