Lines Matching defs:upper
175 /* List of upper level edges, which link this node to its parents */
176 struct list_head upper;
197 * 1 if corresponding block has been COWed but some upper level block
215 * Represent an edge connecting upper and lower backref nodes.
219 * list[LOWER] is linked to btrfs_backref_node::upper of lower level
221 * upper level node.
224 * linking list[UPPER] to its upper level nodes.
238 * List of blocks that have been COWed but some block pointers in upper
282 struct btrfs_backref_node *upper,
285 ASSERT(upper && lower && upper->level == lower->level + 1);
287 edge->node[UPPER] = upper;
289 list_add_tail(&edge->list[LOWER], &lower->upper);
291 list_add_tail(&edge->list[UPPER], &upper->lower);
345 ASSERT(list_empty(&node->upper));