| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * JFFS2 -- Journalling Flash File System, Version 2. |
| 3 | * |
| 4 | * Copyright (C) 2001, 2002 Red Hat, Inc. |
| 5 | * |
| 6 | * Created by David Woodhouse <dwmw2@infradead.org> |
| 7 | * |
| 8 | * For licensing information, see the file 'LICENCE' in this directory. |
| 9 | * |
| 10 | * $Id: symlink.c,v 1.14 2004/11/16 20:36:12 dwmw2 Exp $ |
| 11 | * |
| 12 | */ |
| 13 | |
| 14 | |
| 15 | #include <linux/kernel.h> |
| 16 | #include <linux/slab.h> |
| 17 | #include <linux/fs.h> |
| 18 | #include <linux/namei.h> |
| 19 | #include "nodelist.h" |
| 20 | |
| 21 | static int jffs2_follow_link(struct dentry *dentry, struct nameidata *nd); |
| 22 | static void jffs2_put_link(struct dentry *dentry, struct nameidata *nd); |
| 23 | |
| 24 | struct inode_operations jffs2_symlink_inode_operations = |
| 25 | { |
| 26 | .readlink = generic_readlink, |
| 27 | .follow_link = jffs2_follow_link, |
| 28 | .put_link = jffs2_put_link, |
| 29 | .setattr = jffs2_setattr |
| 30 | }; |
| 31 | |
| 32 | static int jffs2_follow_link(struct dentry *dentry, struct nameidata *nd) |
| 33 | { |
| 34 | unsigned char *buf; |
| 35 | buf = jffs2_getlink(JFFS2_SB_INFO(dentry->d_inode->i_sb), JFFS2_INODE_INFO(dentry->d_inode)); |
| 36 | nd_set_link(nd, buf); |
| 37 | return 0; |
| 38 | } |
| 39 | |
| 40 | static void jffs2_put_link(struct dentry *dentry, struct nameidata *nd) |
| 41 | { |
| 42 | char *s = nd_get_link(nd); |
| 43 | if (!IS_ERR(s)) |
| 44 | kfree(s); |
| 45 | } |