symlink.c

《嵌入式系统设计与实例开发实验教材二源码》Linux内核移植与编译实验

/* -*- c -*- --------------------------------------------------------------- *
 *
 * linux/fs/autofs/symlink.c
 *
 *  Copyright 1997-1998 Transmeta Corporation -- All Rights Reserved
 *
 * This file is part of the Linux kernel and is made available under
 * the terms of the GNU General Public License, version 2, or at your
 * option, any later version, incorporated herein by reference.
 *
 * ------------------------------------------------------------------------- */

#include "autofs_i.h"

static int autofs4_readlink(struct dentry *dentry, char *buffer, int buflen)
{
	struct autofs_info *ino = autofs4_dentry_ino(dentry);

	return vfs_readlink(dentry, buffer, buflen, ino->u.symlink);
}

static int autofs4_follow_link(struct dentry *dentry, struct nameidata *nd)
{
	struct autofs_info *ino = autofs4_dentry_ino(dentry);

	return vfs_follow_link(nd, ino->u.symlink);
}

struct inode_operations autofs4_symlink_inode_operations = {
	readlink:	autofs4_readlink,
	follow_link:	autofs4_follow_link
};