1/* SPDX-License-Identifier: GPL-2.0+ */
 2/*
 3 * NILFS disk address translation.
 4 *
 5 * Copyright (C) 2006-2008 Nippon Telegraph and Telephone Corporation.
 
 
 
 
 
 
 
 
 
 
 6 *
 7 * Written by Koji Sato.
 8 */
 9
10#ifndef _NILFS_DAT_H
11#define _NILFS_DAT_H
12
13#include <linux/types.h>
14#include <linux/buffer_head.h>
15#include <linux/fs.h>
16#include <linux/nilfs2_ondisk.h>	/* nilfs_inode, nilfs_checkpoint */
17
18
19struct nilfs_palloc_req;
20
21int nilfs_dat_translate(struct inode *, __u64, sector_t *);
22
23int nilfs_dat_prepare_alloc(struct inode *, struct nilfs_palloc_req *);
24void nilfs_dat_commit_alloc(struct inode *, struct nilfs_palloc_req *);
25void nilfs_dat_abort_alloc(struct inode *, struct nilfs_palloc_req *);
26int nilfs_dat_prepare_start(struct inode *, struct nilfs_palloc_req *);
27void nilfs_dat_commit_start(struct inode *, struct nilfs_palloc_req *,
28			    sector_t);
29int nilfs_dat_prepare_end(struct inode *, struct nilfs_palloc_req *);
30void nilfs_dat_commit_end(struct inode *, struct nilfs_palloc_req *, int);
31void nilfs_dat_abort_end(struct inode *, struct nilfs_palloc_req *);
32int nilfs_dat_prepare_update(struct inode *, struct nilfs_palloc_req *,
33			     struct nilfs_palloc_req *);
34void nilfs_dat_commit_update(struct inode *, struct nilfs_palloc_req *,
35			     struct nilfs_palloc_req *, int);
36void nilfs_dat_abort_update(struct inode *, struct nilfs_palloc_req *,
37			    struct nilfs_palloc_req *);
38
39int nilfs_dat_mark_dirty(struct inode *, __u64);
40int nilfs_dat_freev(struct inode *, __u64 *, size_t);
41int nilfs_dat_move(struct inode *, __u64, sector_t);
42ssize_t nilfs_dat_get_vinfo(struct inode *, void *, unsigned int, size_t);
43
44int nilfs_dat_read(struct super_block *sb, size_t entry_size,
45		   struct nilfs_inode *raw_inode, struct inode **inodep);
46
47#endif	/* _NILFS_DAT_H */

 
 1/*
 2 * dat.h - NILFS disk address translation.
 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_DAT_H
20#define _NILFS_DAT_H
21
22#include <linux/types.h>
23#include <linux/buffer_head.h>
24#include <linux/fs.h>
25#include <linux/nilfs2_ondisk.h>	/* nilfs_inode, nilfs_checkpoint */
26
27
28struct nilfs_palloc_req;
29
30int nilfs_dat_translate(struct inode *, __u64, sector_t *);
31
32int nilfs_dat_prepare_alloc(struct inode *, struct nilfs_palloc_req *);
33void nilfs_dat_commit_alloc(struct inode *, struct nilfs_palloc_req *);
34void nilfs_dat_abort_alloc(struct inode *, struct nilfs_palloc_req *);
35int nilfs_dat_prepare_start(struct inode *, struct nilfs_palloc_req *);
36void nilfs_dat_commit_start(struct inode *, struct nilfs_palloc_req *,
37			    sector_t);
38int nilfs_dat_prepare_end(struct inode *, struct nilfs_palloc_req *);
39void nilfs_dat_commit_end(struct inode *, struct nilfs_palloc_req *, int);
40void nilfs_dat_abort_end(struct inode *, struct nilfs_palloc_req *);
41int nilfs_dat_prepare_update(struct inode *, struct nilfs_palloc_req *,
42			     struct nilfs_palloc_req *);
43void nilfs_dat_commit_update(struct inode *, struct nilfs_palloc_req *,
44			     struct nilfs_palloc_req *, int);
45void nilfs_dat_abort_update(struct inode *, struct nilfs_palloc_req *,
46			    struct nilfs_palloc_req *);
47
48int nilfs_dat_mark_dirty(struct inode *, __u64);
49int nilfs_dat_freev(struct inode *, __u64 *, size_t);
50int nilfs_dat_move(struct inode *, __u64, sector_t);
51ssize_t nilfs_dat_get_vinfo(struct inode *, void *, unsigned int, size_t);
52
53int nilfs_dat_read(struct super_block *sb, size_t entry_size,
54		   struct nilfs_inode *raw_inode, struct inode **inodep);
55
56#endif	/* _NILFS_DAT_H */