linux-imx

/*

 *   fs/cifs/dir.c

 *

 *   vfs operations that deal with dentries

 *

 *   Copyright (C) International Business Machines  Corp., 2002,2009

 *   Author(s): Steve French (sfrench@us.ibm.com)

 *

 *   This library is free software; you can redistribute it and/or modify

 *   it under the terms of the GNU Lesser General Public License as published

 *   by the Free Software Foundation; either version 2.1 of the License, or

 *   (at your option) any later version.

 *

 *   This library is distributed in the hope that it will be useful,

 *   but WITHOUT ANY WARRANTY; without even the implied warranty of

 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See

 *   the GNU Lesser General Public License for more details.

 *

 *   You should have received a copy of the GNU Lesser General Public License

 *   along with this library; if not, write to the Free Software

 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA

 */

#include <linux/fs.h>

#include <linux/stat.h>

#include <linux/slab.h>

#include <linux/namei.h>

#include <linux/mount.h>

#include <linux/file.h>

#include "cifsfs.h"

#include "cifspdu.h"

#include "cifsglob.h"

#include "cifsproto.h"

#include "cifs_debug.h"

#include "cifs_fs_sb.h"

#include "cifs_unicode.h"

​

static void

renew_parental_timestamps(struct dentry *direntry)

{

    /* BB check if there is a way to get the kernel to do this or if we

       really need this */

    do {

        cifs_set_time(direntry, jiffies);

        direntry = direntry->d_parent;

    } while (!IS_ROOT(direntry));

}

​

char *

cifs_build_path_to_root(struct smb_vol *vol, struct cifs_sb_info *cifs_sb,

            struct cifs_tcon *tcon, int add_treename)

{

    int pplen = vol->prepath ? strlen(vol->prepath) + 1 : 0;

    int dfsplen;

    char *full_path = NULL;

​

    /* if no prefix path, simply set path to the root of share to "" */

    if (pplen == 0) {

        full_path = kzalloc(1, GFP_KERNEL);

        return full_path;

    }

​

    if (add_treename)

        dfsplen = strnlen(tcon->treeName, MAX_TREE_SIZE + 1);