diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/idr.c | 2 | ||||
| -rw-r--r-- | lib/radix-tree.c | 42 |
2 files changed, 9 insertions, 35 deletions
diff --git a/lib/idr.c b/lib/idr.c index 3c20ad9b0463..cb1db9b8d3f6 100644 --- a/lib/idr.c +++ b/lib/idr.c @@ -297,7 +297,7 @@ void *idr_replace(struct idr *idr, void *ptr, unsigned long id) if (!slot || radix_tree_tag_get(&idr->idr_rt, id, IDR_FREE)) return ERR_PTR(-ENOENT); - __radix_tree_replace(&idr->idr_rt, node, slot, ptr, NULL); + __radix_tree_replace(&idr->idr_rt, node, slot, ptr); return entry; } diff --git a/lib/radix-tree.c b/lib/radix-tree.c index 2f9c0e45eeb7..c4c252185734 100644 --- a/lib/radix-tree.c +++ b/lib/radix-tree.c @@ -562,8 +562,7 @@ out: * radix_tree_shrink - shrink radix tree to minimum height * @root radix tree root */ -static inline bool radix_tree_shrink(struct radix_tree_root *root, - radix_tree_update_node_t update_node) +static inline bool radix_tree_shrink(struct radix_tree_root *root) { bool shrunk = false; @@ -631,8 +630,6 @@ static inline bool radix_tree_shrink(struct radix_tree_root *root, node->count = 0; if (!radix_tree_is_internal_node(child)) { node->slots[0] = (void __rcu *)RADIX_TREE_RETRY; - if (update_node) - update_node(node); } WARN_ON_ONCE(!list_empty(&node->private_list)); @@ -644,8 +641,7 @@ static inline bool radix_tree_shrink(struct radix_tree_root *root, } static bool delete_node(struct radix_tree_root *root, - struct radix_tree_node *node, - radix_tree_update_node_t update_node) + struct radix_tree_node *node) { bool deleted = false; @@ -655,7 +651,7 @@ static bool delete_node(struct radix_tree_root *root, if (node->count) { if (node_to_entry(node) == rcu_dereference_raw(root->xa_head)) - deleted |= radix_tree_shrink(root, update_node); + deleted |= radix_tree_shrink(root); return deleted; } @@ -1059,15 +1055,13 @@ static int calculate_count(struct radix_tree_root *root, * @node: pointer to tree node * @slot: pointer to slot in @node * @item: new item to store in the slot. - * @update_node: callback for changing leaf nodes * * For use with __radix_tree_lookup(). Caller must hold tree write locked * across slot lookup and replacement. */ void __radix_tree_replace(struct radix_tree_root *root, struct radix_tree_node *node, - void __rcu **slot, void *item, - radix_tree_update_node_t update_node) + void __rcu **slot, void *item) { void *old = rcu_dereference_raw(*slot); int values = !!xa_is_value(item) - !!xa_is_value(old); @@ -1085,10 +1079,7 @@ void __radix_tree_replace(struct radix_tree_root *root, if (!node) return; - if (update_node) - update_node(node); - - delete_node(root, node, update_node); + delete_node(root, node); } /** @@ -1110,7 +1101,7 @@ void __radix_tree_replace(struct radix_tree_root *root, void radix_tree_replace_slot(struct radix_tree_root *root, void __rcu **slot, void *item) { - __radix_tree_replace(root, NULL, slot, item, NULL); + __radix_tree_replace(root, NULL, slot, item); } EXPORT_SYMBOL(radix_tree_replace_slot); @@ -1127,7 +1118,7 @@ void radix_tree_iter_replace(struct radix_tree_root *root, const struct radix_tree_iter *iter, void __rcu **slot, void *item) { - __radix_tree_replace(root, iter->node, slot, item, NULL); + __radix_tree_replace(root, iter->node, slot, item); } #ifdef CONFIG_RADIX_TREE_MULTIORDER @@ -1807,23 +1798,6 @@ radix_tree_gang_lookup_tag_slot(const struct radix_tree_root *root, } EXPORT_SYMBOL(radix_tree_gang_lookup_tag_slot); -/** - * __radix_tree_delete_node - try to free node after clearing a slot - * @root: radix tree root - * @node: node containing @index - * @update_node: callback for changing leaf nodes - * - * After clearing the slot at @index in @node from radix tree - * rooted at @root, call this function to attempt freeing the - * node and shrinking the tree. - */ -void __radix_tree_delete_node(struct radix_tree_root *root, - struct radix_tree_node *node, - radix_tree_update_node_t update_node) -{ - delete_node(root, node, update_node); -} - static bool __radix_tree_delete(struct radix_tree_root *root, struct radix_tree_node *node, void __rcu **slot) { @@ -1839,7 +1813,7 @@ static bool __radix_tree_delete(struct radix_tree_root *root, node_tag_clear(root, node, tag, offset); replace_slot(slot, NULL, node, -1, values); - return node && delete_node(root, node, NULL); + return node && delete_node(root, node); } /** |