linux-stable/fs/smbfs/symlink.c
Randy Dunlap e63340ae6b header cleaning: don't include smp_lock.h when not used
Remove includes of <linux/smp_lock.h> where it is not used/needed.
Suggested by Al Viro.

Builds cleanly on x86_64, i386, alpha, ia64, powerpc, sparc,
sparc64, and arm (all 59 defconfigs).

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-05-08 11:15:07 -07:00

68 lines
1.4 KiB
C

/*
* symlink.c
*
* Copyright (C) 2002 by John Newbigin
*
* Please add a note about your changes to smbfs in the ChangeLog file.
*/
#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/fcntl.h>
#include <linux/stat.h>
#include <linux/mm.h>
#include <linux/slab.h>
#include <linux/pagemap.h>
#include <linux/net.h>
#include <linux/namei.h>
#include <asm/uaccess.h>
#include <asm/system.h>
#include <linux/smbno.h>
#include <linux/smb_fs.h>
#include "smb_debug.h"
#include "proto.h"
int smb_symlink(struct inode *inode, struct dentry *dentry, const char *oldname)
{
DEBUG1("create symlink %s -> %s/%s\n", oldname, DENTRY_PATH(dentry));
return smb_proc_symlink(server_from_dentry(dentry), dentry, oldname);
}
static void *smb_follow_link(struct dentry *dentry, struct nameidata *nd)
{
char *link = __getname();
DEBUG1("followlink of %s/%s\n", DENTRY_PATH(dentry));
if (!link) {
link = ERR_PTR(-ENOMEM);
} else {
int len = smb_proc_read_link(server_from_dentry(dentry),
dentry, link, PATH_MAX - 1);
if (len < 0) {
__putname(link);
link = ERR_PTR(len);
} else {
link[len] = 0;
}
}
nd_set_link(nd, link);
return NULL;
}
static void smb_put_link(struct dentry *dentry, struct nameidata *nd, void *p)
{
char *s = nd_get_link(nd);
if (!IS_ERR(s))
__putname(s);
}
const struct inode_operations smb_link_inode_operations =
{
.readlink = generic_readlink,
.follow_link = smb_follow_link,
.put_link = smb_put_link,
};