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cpfile.h
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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 <[email protected]>.
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 *);
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 super_block *sb, size_t cpsize,
44  struct nilfs_inode *raw_inode, struct inode **inodep);
45 
46 #endif /* _NILFS_CPFILE_H */