blob: c7035b5b1aeda30c336bcadf128300988a9fa954 [file] [log] [blame]
Koji Satoa17564f2009-04-06 19:01:30 -07001/*
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 *
Ryusuke Konishi4b420ab2016-05-23 16:23:09 -070016 * Written by Koji Sato.
Koji Satoa17564f2009-04-06 19:01:30 -070017 */
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
Koji Satoa17564f2009-04-06 19:01:30 -070026
27struct nilfs_palloc_req;
28
29int nilfs_dat_translate(struct inode *, __u64, sector_t *);
30
31int nilfs_dat_prepare_alloc(struct inode *, struct nilfs_palloc_req *);
32void nilfs_dat_commit_alloc(struct inode *, struct nilfs_palloc_req *);
33void nilfs_dat_abort_alloc(struct inode *, struct nilfs_palloc_req *);
34int nilfs_dat_prepare_start(struct inode *, struct nilfs_palloc_req *);
35void nilfs_dat_commit_start(struct inode *, struct nilfs_palloc_req *,
36 sector_t);
Koji Satoa17564f2009-04-06 19:01:30 -070037int nilfs_dat_prepare_end(struct inode *, struct nilfs_palloc_req *);
38void nilfs_dat_commit_end(struct inode *, struct nilfs_palloc_req *, int);
39void nilfs_dat_abort_end(struct inode *, struct nilfs_palloc_req *);
Ryusuke Konishibd8169e2009-08-15 17:22:13 +090040int nilfs_dat_prepare_update(struct inode *, struct nilfs_palloc_req *,
41 struct nilfs_palloc_req *);
42void nilfs_dat_commit_update(struct inode *, struct nilfs_palloc_req *,
43 struct nilfs_palloc_req *, int);
44void nilfs_dat_abort_update(struct inode *, struct nilfs_palloc_req *,
45 struct nilfs_palloc_req *);
Koji Satoa17564f2009-04-06 19:01:30 -070046
47int nilfs_dat_mark_dirty(struct inode *, __u64);
48int nilfs_dat_freev(struct inode *, __u64 *, size_t);
49int nilfs_dat_move(struct inode *, __u64, sector_t);
Ryusuke Konishi003ff182009-05-12 03:58:47 +090050ssize_t nilfs_dat_get_vinfo(struct inode *, void *, unsigned, size_t);
Koji Satoa17564f2009-04-06 19:01:30 -070051
Ryusuke Konishif1e89c82010-09-05 12:20:59 +090052int nilfs_dat_read(struct super_block *sb, size_t entry_size,
53 struct nilfs_inode *raw_inode, struct inode **inodep);
Ryusuke Konishi79739562009-11-12 23:56:43 +090054
Koji Satoa17564f2009-04-06 19:01:30 -070055#endif /* _NILFS_DAT_H */