bitmap.h

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/*
 * bitmap.h - Defines for NTFS kernel bitmap handling.  Part of the Linux-NTFS
 *        project.
 *
 * Copyright (c) 2004 Anton Altaparmakov
 *
 * This program/include file is free software; you can redistribute it and/or
 * 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.
 *
 * This program/include file 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 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 _LINUX_NTFS_BITMAP_H
#define _LINUX_NTFS_BITMAP_H

#ifdef NTFS_RW

#include <linux/fs.h>

#include "types.h"

extern int __ntfs_bitmap_set_bits_in_run(struct inode *vi, const s64 start_bit,
        const s64 count, const u8 value, const bool is_rollback);

static inline int ntfs_bitmap_set_bits_in_run(struct inode *vi,
        const s64 start_bit, const s64 count, const u8 value)
{
    return __ntfs_bitmap_set_bits_in_run(vi, start_bit, count, value,
            false);
}

static inline int ntfs_bitmap_set_run(struct inode *vi, const s64 start_bit,
        const s64 count)
{
    return ntfs_bitmap_set_bits_in_run(vi, start_bit, count, 1);
}

static inline int ntfs_bitmap_clear_run(struct inode *vi, const s64 start_bit,
        const s64 count)
{
    return ntfs_bitmap_set_bits_in_run(vi, start_bit, count, 0);
}

static inline int ntfs_bitmap_set_bit(struct inode *vi, const s64 bit)
{
    return ntfs_bitmap_set_run(vi, bit, 1);
}

static inline int ntfs_bitmap_clear_bit(struct inode *vi, const s64 bit)
{
    return ntfs_bitmap_clear_run(vi, bit, 1);
}

#endif /* NTFS_RW */

#endif /* defined _LINUX_NTFS_BITMAP_H */