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:root_tag_get

函数原型:static inline int root_tag_get(const struct xarray *root, unsigned tag)

返回类型:int

参数:

类型参数名称
const struct xarray *root
unsignedtag
144  返回:private: The rest of the data structure is not to be used directly. 按位与1左移tagThe top bits of xa_flags are used to store the root tags
调用者
名称描述
radix_tree_extendExtend a radix tree so it can store key @index.
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
radix_tree_tagged测试radix树上有项目