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 void *xa_head_locked(const struct xarray *xa)

返回类型：void

参数：

类型参数名称
const struct xarray *xa
1171  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(xa_head, lockdep_is_held( & xa_lock))
调用者
名称描述
xas_createxas_create() - Create a slot to store an entry in.*@xas: XArray operation state.*@allow_root: %true if we can store the entry in the root directly* Most users will not need to call this function directly, as it is called* by xas_store()
xa_destroyxa_destroy() - Free all internal data structures.*@xa: XArray.* After calling this function, the XArray is empty and has freed all memory* allocated for its internal data structures. You are responsible for* freeing the objects referenced by the XArray.