函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:lib\radix-tree.c Create Date:2022-07-27 07:10:13
Last Modify:2022-05-21 10:04:37 Copyright©Brick
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函数名称:tag_get

函数原型:static inline int tag_get(const struct xa_node *node, unsigned int tag, int offset)

返回类型:int

参数:

类型参数名称
const struct xa_node *node
unsigned inttag
intoffset
124  返回:st_bit - Determine whether a bit is set*@nr: bit number to test*@addr: Address to start counting from
调用者
名称描述
radix_tree_shrink一个radix树的收缩高度最小
radix_tree_insert在radix树中插入节点
node_tag_get
node_tag_set
radix_tree_tag_setadix_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
node_tag_clear
radix_tree_tag_getadix_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