2 * disk_io.h - Exports for disk io. Part of the Linux-NTFS project.
4 * Copyright (c) 2000-2003 Anton Altaparmakov
6 * This program/include file is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License as published
8 * by the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program/include file is distributed in the hope that it will be
12 * useful, but WITHOUT ANY WARRANTY; without even the implied warranty
13 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program (in the main directory of the Linux-NTFS
18 * distribution in the file COPYING); if not, write to the Free Software
19 * Foundation,Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 #ifndef _NTFS_DISK_IO_H
23 #define _NTFS_DISK_IO_H
27 extern struct ntfs_device_operations ntfs_device_disk_io_ops;
29 extern s64 ntfs_pread(struct ntfs_device *dev, const s64 pos, s64 count,
31 extern s64 ntfs_pwrite(struct ntfs_device *dev, const s64 pos, s64 count,
34 extern s64 ntfs_mst_pread(struct ntfs_device *dev, const s64 pos, s64 count,
35 const u32 bksize, void *b);
36 extern s64 ntfs_mst_pwrite(struct ntfs_device *dev, const s64 pos, s64 count,
37 const u32 bksize, const void *b);
39 extern s64 ntfs_cluster_read(const ntfs_volume *vol, const s64 lcn,
40 const s64 count, void *b);
41 extern s64 ntfs_cluster_write(const ntfs_volume *vol, const s64 lcn,
42 const s64 count, const void *b);
44 extern s64 ntfs_device_size_get(struct ntfs_device *dev, int block_size);
46 #endif /* defined _NTFS_DISK_IO_H */