函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:include\linux\xarray.h Create Date:2022-07-27 06:43:50
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：Private

函数原型：static inline struct xa_node *xa_parent_locked(const struct xarray *xa, const struct xa_node *node)

返回类型：struct xa_node

参数：

类型参数名称
const struct xarray *xa
const struct xa_node *node
1205  返回:cu_dereference_protected() - fetch RCU pointer when updates prevented*@p: The pointer to read, prior to dereferencing*@c: The conditions under which the dereference will take place* Return the value of the specified RCU-protected pointer, but omit(NULL at top of tree , lockdep_is_held( & xa_lock))
调用者
名称描述
xas_delete_nodexas_delete_node() - Attempt to delete an xa_node*@xas: Array operation state.* Attempts to delete the @xas->xa_node. This will fail if xa->node has* a non-zero reference count.
xas_free_nodesxas_free_nodes() - Free this node and all nodes that it references*@xas: Array operation state.*@top: Node to free* This node has been removed from the tree. We must now free it and all* of its subnodes
xas_create_rangexas_create_range() - Ensure that stores to this range will succeed*@xas: XArray operation state.* Creates all of the slots in the range covered by @xas. Sets @xas to* create single-index entries and positions it at the beginning of the* range
xas_set_markxas_set_mark() - Sets the mark on this entry and its parents.*@xas: XArray operation state.*@mark: Mark number.* Sets the specified mark on this entry, and walks up the tree setting it* on all the ancestor entries
xas_clear_markxas_clear_mark() - Clears the mark on this entry and its parents.*@xas: XArray operation state.*@mark: Mark number.* Clears the specified mark on this entry, and walks back to the head* attempting to clear it on all the ancestor entries. Does nothing if
xas_find_conflictxas_find_conflict() - Find the next present entry in a range.*@xas: XArray operation state.* The @xas describes both a range and a position within that range.* Context: Any context. Expects xa_lock to be held.
shadow_remove
shadow_lru_isolate