| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 2 | #include <linux/gfp.h> |
| 3 | #include <linux/types.h> |
| 4 | #include <linux/radix-tree.h> |
| 5 | #include <linux/rcupdate.h> |
| 6 | |
| 7 | struct item { |
| 8 | struct rcu_head rcu_head; |
| 9 | unsigned long index; |
| 10 | unsigned int order; |
| 11 | }; |
| 12 | |
| 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, |
| 18 | unsigned order); |
| 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); |
| 22 | |
| 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, |
| 27 | int chunk, int hop); |
| 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); |
| 31 | |
| 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); |
| 36 | |
| 37 | void tag_check(void); |
| 38 | void multiorder_checks(void); |
| 39 | void iteration_test(unsigned order, unsigned duration); |
| 40 | void benchmark(void); |
| 41 | void idr_checks(void); |
| 42 | void ida_tests(void); |
| 43 | |
| 44 | struct item * |
| 45 | item_tag_set(struct radix_tree_root *root, unsigned long index, int tag); |
| 46 | struct item * |
| 47 | item_tag_clear(struct radix_tree_root *root, unsigned long index, int tag); |
| 48 | int item_tag_get(struct radix_tree_root *root, unsigned long index, int tag); |
| 49 | void tree_verify_min_height(struct radix_tree_root *root, int maxindex); |
| 50 | void verify_tag_consistency(struct radix_tree_root *root, unsigned int tag); |
| 51 | |
| 52 | extern int nr_allocated; |
| 53 | |
| 54 | /* Normally private parts of lib/radix-tree.c */ |
| 55 | struct radix_tree_node *entry_to_node(void *ptr); |
| 56 | void radix_tree_dump(struct radix_tree_root *root); |
| 57 | int root_tag_get(struct radix_tree_root *root, unsigned int tag); |
| 58 | unsigned long node_maxindex(struct radix_tree_node *); |
| 59 | unsigned long shift_maxindex(unsigned int shift); |
| 60 | int radix_tree_cpu_dead(unsigned int cpu); |
| 61 | struct radix_tree_preload { |
| 62 | unsigned nr; |
| 63 | struct radix_tree_node *nodes; |
| 64 | }; |
| 65 | extern struct radix_tree_preload radix_tree_preloads; |