函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:fs\namei.c Create Date:2022-07-29 10:34:51
Last Modify:2020-03-12 14:18:49 Copyright©Brick
首页 函数Tree
注解内核,赢得工具下载SCCTEnglish

函数名称：put_link

函数原型：static inline void put_link(struct nameidata *nd)

返回类型：void

参数：

类型参数名称
struct nameidata *nd
874  last等于stack加depth先自减
875  do_delayed_call( & done)
876  如果非flags按位与RCU pathwalk mode; semi-internal 的值则path_put - put a reference to a path*@path: path to put the reference to* Given a path decrement the reference count to the dentry and the vfsmount.
调用者
名称描述
step_intoDo we need to follow links? We _really_ want to be able* to do this check without having to look at inode->i_op,* so we keep a cache of "no, this doesn't need follow_link"* for the common case.
walk_component
link_path_walkName resolution.* This is the basic name resolution function, turning a pathname into* the final dentry. We expect 'base' to be positive and a directory.* Returns 0 and nd will have valid dentry and mnt on success.