root_tag_get

Name:root_tag_get

Proto:static inline int root_tag_get(const struct xarray *root, unsigned tag)

Type:int

Parameter:

Type	Parameter	Name
const struct xarray *	root
unsigned	tag

144

Return private: The rest of the data structure is not to be used directly. & 1 << tag + The top bits of xa_flags are used to store the root tags

**Caller**
Name	Describe
radix_tree_extend	Extend a radix tree so it can store key @index.
node_tag_get
node_tag_set
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
node_tag_clear
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	adix_tree_next_chunk - find next chunk of slots for iteration@root: radix tree root@iter: iterator state@flags: RADIX_TREE_ITER_ flags and tag index* Returns: pointer to chunk first slot, or NULL if iteration is over
radix_tree_tagged	adix_tree_tagged - test whether any items in the tree are tagged@root: radix tree root@tag: tag to test

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