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1 | /* |
2 | * cpfile.h - NILFS checkpoint file. |
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_CPFILE_H |
24 | #define _NILFS_CPFILE_H |
25 | |
26 | #include <linux/fs.h> |
27 | #include <linux/buffer_head.h> |
28 | #include <linux/nilfs2_fs.h> |
29 | |
30 | |
31 | int nilfs_cpfile_get_checkpoint(struct inode *, __u64, int, |
32 | struct nilfs_checkpoint **, |
33 | struct buffer_head **); |
34 | void nilfs_cpfile_put_checkpoint(struct inode *, __u64, struct buffer_head *); |
35 | int nilfs_cpfile_delete_checkpoints(struct inode *, __u64, __u64); |
36 | int nilfs_cpfile_delete_checkpoint(struct inode *, __u64); |
37 | int nilfs_cpfile_change_cpmode(struct inode *, __u64, int); |
38 | int nilfs_cpfile_is_snapshot(struct inode *, __u64); |
39 | int nilfs_cpfile_get_stat(struct inode *, struct nilfs_cpstat *); |
40 | ssize_t nilfs_cpfile_get_cpinfo(struct inode *, __u64 *, int, void *, unsigned, |
41 | size_t); |
42 | |
43 | int nilfs_cpfile_read(struct inode *cpfile, struct nilfs_inode *raw_inode); |
44 | struct inode *nilfs_cpfile_new(struct the_nilfs *nilfs, size_t cpsize); |
45 | |
46 | #endif /* _NILFS_CPFILE_H */ |
47 |
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