]> bbs.cooldavid.org Git - net-next-2.6.git/blame - fs/smbfs/symlink.c
[PATCH] remove many unneeded #includes of sched.h
[net-next-2.6.git] / fs / smbfs / symlink.c
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1/*
2 * symlink.c
3 *
4 * Copyright (C) 2002 by John Newbigin
5 *
6 * Please add a note about your changes to smbfs in the ChangeLog file.
7 */
8
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9#include <linux/kernel.h>
10#include <linux/errno.h>
11#include <linux/fcntl.h>
12#include <linux/stat.h>
13#include <linux/mm.h>
14#include <linux/slab.h>
15#include <linux/pagemap.h>
16#include <linux/smp_lock.h>
17#include <linux/net.h>
18#include <linux/namei.h>
19
20#include <asm/uaccess.h>
21#include <asm/system.h>
22
23#include <linux/smbno.h>
24#include <linux/smb_fs.h>
25
26#include "smb_debug.h"
27#include "proto.h"
28
29int smb_symlink(struct inode *inode, struct dentry *dentry, const char *oldname)
30{
31 DEBUG1("create symlink %s -> %s/%s\n", oldname, DENTRY_PATH(dentry));
32
33 return smb_proc_symlink(server_from_dentry(dentry), dentry, oldname);
34}
35
008b150a 36static void *smb_follow_link(struct dentry *dentry, struct nameidata *nd)
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37{
38 char *link = __getname();
39 DEBUG1("followlink of %s/%s\n", DENTRY_PATH(dentry));
40
41 if (!link) {
42 link = ERR_PTR(-ENOMEM);
43 } else {
44 int len = smb_proc_read_link(server_from_dentry(dentry),
45 dentry, link, PATH_MAX - 1);
46 if (len < 0) {
53b27584 47 __putname(link);
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48 link = ERR_PTR(len);
49 } else {
50 link[len] = 0;
51 }
52 }
53 nd_set_link(nd, link);
008b150a 54 return NULL;
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55}
56
008b150a 57static void smb_put_link(struct dentry *dentry, struct nameidata *nd, void *p)
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58{
59 char *s = nd_get_link(nd);
60 if (!IS_ERR(s))
53b27584 61 __putname(s);
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62}
63
c5ef1c42 64const struct inode_operations smb_link_inode_operations =
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65{
66 .readlink = generic_readlink,
67 .follow_link = smb_follow_link,
68 .put_link = smb_put_link,
69};