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 10:35:10
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：vfs_symlink

函数原型：int vfs_symlink(struct inode *dir, struct dentry *dentry, const char *oldname)

返回类型：int

参数：

类型参数名称
struct inode *dir
struct dentry *dentry
const char *oldname
4058  error等于Check whether we can create an object with dentry child in directory* dir.* 1. We can't do it if child already exists (open has special treatment for* this case, but since we are inlined it's OK)* 2
4060  如果error则返回:error
4063  如果非symlink则返回:负EPERM
4066  error等于security_inode_symlink(dir, dentry, oldname)
4067  如果error则返回:error
4070  error等于symlink(dir, dentry, oldname)
4071  如果非error则snotify_create - 'name' was linked in
4073  返回:error
调用者
名称描述
do_symlinkat