1 #include <linux/gfp.h> 2 #include <linux/types.h> 3 #include <linux/radix-tree.h> 4 #include <linux/rcupdate.h> 5 6 struct item { 7 unsigned long index; 8 unsigned int order; 9 }; 10 11 struct item *item_create(unsigned long index, unsigned int order); 12 int __item_insert(struct radix_tree_root *root, struct item *item); 13 int item_insert(struct radix_tree_root *root, unsigned long index); 14 int item_insert_order(struct radix_tree_root *root, unsigned long index, 15 unsigned order); 16 int item_delete(struct radix_tree_root *root, unsigned long index); 17 struct item *item_lookup(struct radix_tree_root *root, unsigned long index); 18 19 void item_check_present(struct radix_tree_root *root, unsigned long index); 20 void item_check_absent(struct radix_tree_root *root, unsigned long index); 21 void item_gang_check_present(struct radix_tree_root *root, 22 unsigned long start, unsigned long nr, 23 int chunk, int hop); 24 void item_full_scan(struct radix_tree_root *root, unsigned long start, 25 unsigned long nr, int chunk); 26 void item_kill_tree(struct radix_tree_root *root); 27 28 int tag_tagged_items(struct radix_tree_root *, pthread_mutex_t *, 29 unsigned long start, unsigned long end, unsigned batch, 30 unsigned iftag, unsigned thentag); 31 unsigned long find_item(struct radix_tree_root *, void *item); 32 33 void tag_check(void); 34 void multiorder_checks(void); 35 void iteration_test(unsigned order, unsigned duration); 36 void benchmark(void); 37 38 struct item * 39 item_tag_set(struct radix_tree_root *root, unsigned long index, int tag); 40 struct item * 41 item_tag_clear(struct radix_tree_root *root, unsigned long index, int tag); 42 int item_tag_get(struct radix_tree_root *root, unsigned long index, int tag); 43 void tree_verify_min_height(struct radix_tree_root *root, int maxindex); 44 void verify_tag_consistency(struct radix_tree_root *root, unsigned int tag); 45 46 extern int nr_allocated; 47 48 /* Normally private parts of lib/radix-tree.c */ 49 struct radix_tree_node *entry_to_node(void *ptr); 50 void radix_tree_dump(struct radix_tree_root *root); 51 int root_tag_get(struct radix_tree_root *root, unsigned int tag); 52 unsigned long node_maxindex(struct radix_tree_node *); 53 unsigned long shift_maxindex(unsigned int shift); 54 int radix_tree_cpu_dead(unsigned int cpu); 55 struct radix_tree_preload { 56 unsigned nr; 57 struct radix_tree_node *nodes; 58 }; 59 extern struct radix_tree_preload radix_tree_preloads; 60