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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 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program; if not, write to the Free Software | |
18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
19 | * | |
20 | * Written by Koji Sato <koji@osrg.net>. | |
21 | */ | |
22 | ||
23 | #ifndef _NILFS_DAT_H | |
24 | #define _NILFS_DAT_H | |
25 | ||
26 | #include <linux/types.h> | |
27 | #include <linux/buffer_head.h> | |
28 | #include <linux/fs.h> | |
29 | ||
30 | #define NILFS_DAT_GFP NILFS_MDT_GFP | |
31 | ||
32 | struct nilfs_palloc_req; | |
33 | ||
34 | int nilfs_dat_translate(struct inode *, __u64, sector_t *); | |
35 | ||
36 | int nilfs_dat_prepare_alloc(struct inode *, struct nilfs_palloc_req *); | |
37 | void nilfs_dat_commit_alloc(struct inode *, struct nilfs_palloc_req *); | |
38 | void nilfs_dat_abort_alloc(struct inode *, struct nilfs_palloc_req *); | |
39 | int nilfs_dat_prepare_start(struct inode *, struct nilfs_palloc_req *); | |
40 | void nilfs_dat_commit_start(struct inode *, struct nilfs_palloc_req *, | |
41 | sector_t); | |
42 | void nilfs_dat_abort_start(struct inode *, struct nilfs_palloc_req *); | |
43 | int nilfs_dat_prepare_end(struct inode *, struct nilfs_palloc_req *); | |
44 | void nilfs_dat_commit_end(struct inode *, struct nilfs_palloc_req *, int); | |
45 | void nilfs_dat_abort_end(struct inode *, struct nilfs_palloc_req *); | |
46 | ||
47 | int nilfs_dat_mark_dirty(struct inode *, __u64); | |
48 | int nilfs_dat_freev(struct inode *, __u64 *, size_t); | |
49 | int nilfs_dat_move(struct inode *, __u64, sector_t); | |
003ff182 | 50 | ssize_t nilfs_dat_get_vinfo(struct inode *, void *, unsigned, size_t); |
a17564f5 KS |
51 | |
52 | #endif /* _NILFS_DAT_H */ |