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 int item_insert(struct radix_tree_root *root, unsigned long index); 13 int item_delete(struct radix_tree_root *root, unsigned long index); 14 struct item *item_lookup(struct radix_tree_root *root, unsigned long index); 15 16 void item_check_present(struct radix_tree_root *root, unsigned long index); 17 void item_check_absent(struct radix_tree_root *root, unsigned long index); 18 void item_gang_check_present(struct radix_tree_root *root, 19 unsigned long start, unsigned long nr, 20 int chunk, int hop); 21 void item_full_scan(struct radix_tree_root *root, unsigned long start, 22 unsigned long nr, int chunk); 23 void item_kill_tree(struct radix_tree_root *root); 24 25 void tag_check(void); 26 27 struct item * 28 item_tag_set(struct radix_tree_root *root, unsigned long index, int tag); 29 struct item * 30 item_tag_clear(struct radix_tree_root *root, unsigned long index, int tag); 31 int item_tag_get(struct radix_tree_root *root, unsigned long index, int tag); 32 void tree_verify_min_height(struct radix_tree_root *root, int maxindex); 33 void verify_tag_consistency(struct radix_tree_root *root, unsigned int tag); 34 35 extern int nr_allocated; 36 37 /* Normally private parts of lib/radix-tree.c */ 38 void *indirect_to_ptr(void *ptr); 39 int root_tag_get(struct radix_tree_root *root, unsigned int tag); 40 unsigned long radix_tree_maxindex(unsigned int height); 41