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 }; 9 10 struct item *item_create(unsigned long index); 11 int __item_insert(struct radix_tree_root *root, struct item *item, 12 unsigned order); 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 void tag_check(void); 29 void multiorder_checks(void); 30 31 struct item * 32 item_tag_set(struct radix_tree_root *root, unsigned long index, int tag); 33 struct item * 34 item_tag_clear(struct radix_tree_root *root, unsigned long index, int tag); 35 int item_tag_get(struct radix_tree_root *root, unsigned long index, int tag); 36 void tree_verify_min_height(struct radix_tree_root *root, int maxindex); 37 void verify_tag_consistency(struct radix_tree_root *root, unsigned int tag); 38 39 extern int nr_allocated; 40 41 /* Normally private parts of lib/radix-tree.c */ 42 void radix_tree_dump(struct radix_tree_root *root); 43 int root_tag_get(struct radix_tree_root *root, unsigned int tag); 44 unsigned long node_maxindex(struct radix_tree_node *); 45 unsigned long shift_maxindex(unsigned int shift); 46