1/* SPDX-License-Identifier: GPL-2.0+ */
 2/*
 3 * NILFS direct block pointer.
 4 *
 5 * Copyright (C) 2006-2008 Nippon Telegraph and Telephone Corporation.
 
 
 
 
 
 
 
 
 
 
 6 *
 7 * Written by Koji Sato.
 8 */
 9
10#ifndef _NILFS_DIRECT_H
11#define _NILFS_DIRECT_H
12
13#include <linux/types.h>
14#include <linux/buffer_head.h>
15#include "bmap.h"
16
17
18#define NILFS_DIRECT_NBLOCKS	(NILFS_BMAP_SIZE / sizeof(__le64) - 1)
19#define NILFS_DIRECT_KEY_MIN	0
20#define NILFS_DIRECT_KEY_MAX	(NILFS_DIRECT_NBLOCKS - 1)
21
22
23int nilfs_direct_init(struct nilfs_bmap *);
24int nilfs_direct_delete_and_convert(struct nilfs_bmap *, __u64, __u64 *,
25				    __u64 *, int);
26
27
28#endif	/* _NILFS_DIRECT_H */

 
 1/*
 2 * direct.h - NILFS direct block pointer.
 3 *
 4 * Copyright (C) 2006-2008 Nippon Telegraph and Telephone Corporation.
 5 *
 6 * This program is free software; you can redistribute it and/or modify
 7 * it under the terms of the GNU General Public License as published by
 8 * the Free Software Foundation; either version 2 of the License, or
 9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14 * GNU General Public License for more details.
15 *
16 * Written by Koji Sato.
17 */
18
19#ifndef _NILFS_DIRECT_H
20#define _NILFS_DIRECT_H
21
22#include <linux/types.h>
23#include <linux/buffer_head.h>
24#include "bmap.h"
25
26
27#define NILFS_DIRECT_NBLOCKS	(NILFS_BMAP_SIZE / sizeof(__le64) - 1)
28#define NILFS_DIRECT_KEY_MIN	0
29#define NILFS_DIRECT_KEY_MAX	(NILFS_DIRECT_NBLOCKS - 1)
30
31
32int nilfs_direct_init(struct nilfs_bmap *);
33int nilfs_direct_delete_and_convert(struct nilfs_bmap *, __u64, __u64 *,
34				    __u64 *, int);
35
36
37#endif	/* _NILFS_DIRECT_H */