函数逻辑报告

函数名称：vfs_readlink - copy symlink body into userspace buffer*@dentry: dentry on which to get symbolic link*@buffer: user memory pointer*@buflen: size of buffer* Does not touch atime. That's up to the caller if necessary* Does not call security hook.

函数原型：int vfs_readlink(struct dentry *dentry, char __user *buffer, int buflen)

返回类型：int

参数：