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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 * Written by Koji Sato.
17 */
18
19 #ifndef _NILFS_CPFILE_H
20 #define _NILFS_CPFILE_H
21
22 #include <linux/fs.h>
23 #include <linux/buffer_head.h>
24 #include <linux/nilfs2_api.h> /* nilfs_cpstat */
25 #include <linux/nilfs2_ondisk.h> /* nilfs_inode, nilfs_checkpoint */
26
27
28 int nilfs_cpfile_get_checkpoint(struct inode *, __u64, int,
29 struct nilfs_checkpoint **,
30 struct buffer_head **);
31 void nilfs_cpfile_put_checkpoint(struct inode *, __u64, struct buffer_head *);
32 int nilfs_cpfile_delete_checkpoints(struct inode *, __u64, __u64);
33 int nilfs_cpfile_delete_checkpoint(struct inode *, __u64);
34 int nilfs_cpfile_change_cpmode(struct inode *, __u64, int);
35 int nilfs_cpfile_is_snapshot(struct inode *, __u64);
36 int nilfs_cpfile_get_stat(struct inode *, struct nilfs_cpstat *);
37 ssize_t nilfs_cpfile_get_cpinfo(struct inode *, __u64 *, int, void *,
38 unsigned int, size_t);
39
40 int nilfs_cpfile_read(struct super_block *sb, size_t cpsize,
41 struct nilfs_inode *raw_inode, struct inode **inodep);
42
43 #endif /* _NILFS_CPFILE_H */