mirror of https://gitee.com/openkylin/linux.git
46 lines
1.1 KiB
C
46 lines
1.1 KiB
C
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/*
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* JFFS2 -- Journalling Flash File System, Version 2.
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*
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* Copyright (C) 2001, 2002 Red Hat, Inc.
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*
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* Created by David Woodhouse <dwmw2@infradead.org>
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*
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* For licensing information, see the file 'LICENCE' in this directory.
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*
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* $Id: symlink.c,v 1.14 2004/11/16 20:36:12 dwmw2 Exp $
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*
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*/
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#include <linux/kernel.h>
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#include <linux/slab.h>
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#include <linux/fs.h>
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#include <linux/namei.h>
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#include "nodelist.h"
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static int jffs2_follow_link(struct dentry *dentry, struct nameidata *nd);
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static void jffs2_put_link(struct dentry *dentry, struct nameidata *nd);
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struct inode_operations jffs2_symlink_inode_operations =
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{
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.readlink = generic_readlink,
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.follow_link = jffs2_follow_link,
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.put_link = jffs2_put_link,
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.setattr = jffs2_setattr
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};
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static int jffs2_follow_link(struct dentry *dentry, struct nameidata *nd)
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{
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unsigned char *buf;
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buf = jffs2_getlink(JFFS2_SB_INFO(dentry->d_inode->i_sb), JFFS2_INODE_INFO(dentry->d_inode));
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nd_set_link(nd, buf);
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return 0;
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}
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static void jffs2_put_link(struct dentry *dentry, struct nameidata *nd)
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{
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char *s = nd_get_link(nd);
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if (!IS_ERR(s))
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kfree(s);
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}
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