1 /* SPDX-License-Identifier: GPL-2.0 */
3 #include <linux/types.h>
4 #include <linux/radix-tree.h>
5 #include <linux/rcupdate.h>
8 struct rcu_head rcu_head;
13 struct item *item_create(unsigned long index, unsigned int order);
14 int __item_insert(struct radix_tree_root *root, struct item *item);
15 int item_insert(struct radix_tree_root *root, unsigned long index);
16 void item_sanity(struct item *item, unsigned long index);
17 int item_insert_order(struct radix_tree_root *root, unsigned long index,
19 int item_delete(struct radix_tree_root *root, unsigned long index);
20 int item_delete_rcu(struct radix_tree_root *root, unsigned long index);
21 struct item *item_lookup(struct radix_tree_root *root, unsigned long index);
23 void item_check_present(struct radix_tree_root *root, unsigned long index);
24 void item_check_absent(struct radix_tree_root *root, unsigned long index);
25 void item_gang_check_present(struct radix_tree_root *root,
26 unsigned long start, unsigned long nr,
28 void item_full_scan(struct radix_tree_root *root, unsigned long start,
29 unsigned long nr, int chunk);
30 void item_kill_tree(struct radix_tree_root *root);
32 int tag_tagged_items(struct radix_tree_root *, pthread_mutex_t *,
33 unsigned long start, unsigned long end, unsigned batch,
34 unsigned iftag, unsigned thentag);
35 unsigned long find_item(struct radix_tree_root *, void *item);
38 void multiorder_checks(void);
39 void iteration_test(unsigned order, unsigned duration);
41 void idr_checks(void);
42 void ida_checks(void);
43 void ida_thread_tests(void);
46 item_tag_set(struct radix_tree_root *root, unsigned long index, int tag);
48 item_tag_clear(struct radix_tree_root *root, unsigned long index, int tag);
49 int item_tag_get(struct radix_tree_root *root, unsigned long index, int tag);
50 void tree_verify_min_height(struct radix_tree_root *root, int maxindex);
51 void verify_tag_consistency(struct radix_tree_root *root, unsigned int tag);
53 extern int nr_allocated;
55 /* Normally private parts of lib/radix-tree.c */
56 struct radix_tree_node *entry_to_node(void *ptr);
57 void radix_tree_dump(struct radix_tree_root *root);
58 int root_tag_get(struct radix_tree_root *root, unsigned int tag);
59 unsigned long node_maxindex(struct radix_tree_node *);
60 unsigned long shift_maxindex(unsigned int shift);
61 int radix_tree_cpu_dead(unsigned int cpu);
62 struct radix_tree_preload {
64 struct radix_tree_node *nodes;
66 extern struct radix_tree_preload radix_tree_preloads;