runlist.h revision 7e7bd3dccbfe8f79e25e5c1554b5bc3a9aaca321
/*
* runlist.h - Exports for runlist handling. Part of the Linux-NTFS project.
*
* Copyright (c) 2002 Anton Altaparmakov
* Copyright (c) 2002 Richard Russon
*
* modify it under the terms of the GNU General Public License as published
* by the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* useful, but WITHOUT ANY WARRANTY; without even the implied warranty
* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program (in the main directory of the Linux-NTFS
* distribution in the file COPYING); if not, write to the Free Software
* Foundation,Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef _NTFS_RUNLIST_H
#define _NTFS_RUNLIST_H
#include "types.h"
/* Forward declarations */
typedef struct _runlist_element runlist_element;
typedef runlist_element runlist;
#include "attrib.h"
#include "volume.h"
/**
* struct _runlist_element - in memory vcn to lcn mapping array element.
* @vcn: starting vcn of the current array element
* @lcn: starting lcn of the current array element
* @length: length in clusters of the current array element
*
* The last vcn (in fact the last vcn + 1) is reached when length == 0.
*
* When lcn == -1 this means that the count vcns starting at vcn are not
* physically allocated (i.e. this is a hole / data is sparse).
*/
struct _runlist_element {/* In memory vcn to lcn mapping structure element. */
};
extern int ntfs_get_nr_significant_bytes(const s64 n);
const s64 n);
#ifdef NTFS_TEST
#endif
#endif /* defined _NTFS_RUNLIST_H */