{
unsigned int height, shift;
struct radix_tree_node *node;
- int saw_unset_tag = 0;
/* check the root's tag bit */
if (!root_tag_get(root, tag))
return 0;
offset = (index >> shift) & RADIX_TREE_MAP_MASK;
-
- /*
- * This is just a debug check. Later, we can bale as soon as
- * we see an unset tag.
- */
if (!tag_get(node, tag, offset))
- saw_unset_tag = 1;
+ return 0;
if (height == 1)
- return !!tag_get(node, tag, offset);
+ return 1;
node = rcu_dereference_raw(node->slots[offset]);
shift -= RADIX_TREE_MAP_SHIFT;
height--;