xref: /openbmc/linux/fs/nilfs2/cpfile.h (revision 4f205687)
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_fs.h>
25 
26 
27 int nilfs_cpfile_get_checkpoint(struct inode *, __u64, int,
28 				struct nilfs_checkpoint **,
29 				struct buffer_head **);
30 void nilfs_cpfile_put_checkpoint(struct inode *, __u64, struct buffer_head *);
31 int nilfs_cpfile_delete_checkpoints(struct inode *, __u64, __u64);
32 int nilfs_cpfile_delete_checkpoint(struct inode *, __u64);
33 int nilfs_cpfile_change_cpmode(struct inode *, __u64, int);
34 int nilfs_cpfile_is_snapshot(struct inode *, __u64);
35 int nilfs_cpfile_get_stat(struct inode *, struct nilfs_cpstat *);
36 ssize_t nilfs_cpfile_get_cpinfo(struct inode *, __u64 *, int, void *,
37 				unsigned int, size_t);
38 
39 int nilfs_cpfile_read(struct super_block *sb, size_t cpsize,
40 		      struct nilfs_inode *raw_inode, struct inode **inodep);
41 
42 #endif	/* _NILFS_CPFILE_H */
43