radix_tree_descend

函数名称：radix_tree_descend

函数原型：static unsigned int radix_tree_descend(const struct xa_node *parent, struct xa_node **nodep, unsigned long index)

返回类型：unsigned int

参数：

类型	参数	名称
const struct xa_node *	parent
struct xa_node **	nodep
unsigned long	index

97

offset等于index右移Bits remaining in each slot 位按位与RADIX_TREE_MAP_MASK

98

__rcu乘entry等于Dependency order vs. p above. (slots[offset])

100

nodep等于entry

101

返回:offset

**调用者**
名称	描述
__radix_tree_create
__radix_tree_lookup
radix_tree_tag_set	adix_tree_tag_set - set a tag on a radix tree node@root: radix tree root@index: index key@tag: tag index Set the search tag (which must be < RADIX_TREE_MAX_TAGS)* corresponding to @index in the radix tree. From
radix_tree_tag_clear	adix_tree_tag_clear - clear a tag on a radix tree node@root: radix tree root@index: index key@tag: tag index Clear the search tag (which must be < RADIX_TREE_MAX_TAGS)* corresponding to @index in the radix tree
radix_tree_tag_get	adix_tree_tag_get - get a tag on a radix tree node@root: radix tree root@index: index key@tag: tag index (< RADIX_TREE_MAX_TAGS) Return values:* 0: tag not present or not set* 1: tag set* Note that the return value of this function may not be relied
radix_tree_next_chunk	在radix树中找到下一个块的迭代
idr_get_free

源代码转换工具开放的插件接口	X
支持：c/c++/esqlc/java Oracle/Informix/Mysql 插件可实现：逻辑报告代码生成和批量转换代码