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

/*
 *  linux/fs/sysv/symlink.c
 *
 *  Handling of System V filesystem fast symlinks extensions.
 *  Aug 2001, Christoph Hellwig ([e-mail])
 */

#include <linux/fs.h>

static int sysv_readlink(struct dentry *dentry, char *buffer, int buflen)
{
	char *s = (char *)dentry->d_inode->u.sysv_i.i_data;
	return vfs_readlink(dentry, buffer, buflen, s);
}

static int sysv_follow_link(struct dentry *dentry, struct nameidata *nd)
{
	char *s = (char *)dentry->d_inode->u.sysv_i.i_data;
	return vfs_follow_link(nd, s);
}

struct inode_operations sysv_fast_symlink_inode_operations = {
	readlink:	sysv_readlink,
	follow_link:	sysv_follow_link,
};