blob: 1a8a1008c3420c9d6b2798c00c1025c031434c48 [file] [log] [blame]
Koji Sato29619802009-04-06 19:01:31 -07001/*
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#define NILFS_CPFILE_GFP NILFS_MDT_GFP
31
32
33int nilfs_cpfile_get_checkpoint(struct inode *, __u64, int,
34 struct nilfs_checkpoint **,
35 struct buffer_head **);
36void nilfs_cpfile_put_checkpoint(struct inode *, __u64, struct buffer_head *);
37int nilfs_cpfile_delete_checkpoints(struct inode *, __u64, __u64);
38int nilfs_cpfile_delete_checkpoint(struct inode *, __u64);
39int nilfs_cpfile_change_cpmode(struct inode *, __u64, int);
40int nilfs_cpfile_is_snapshot(struct inode *, __u64);
41int nilfs_cpfile_get_stat(struct inode *, struct nilfs_cpstat *);
Ryusuke Konishib028fcf2009-04-06 19:01:47 -070042ssize_t nilfs_cpfile_get_cpinfo(struct inode *, __u64 *, int,
Koji Sato29619802009-04-06 19:01:31 -070043 struct nilfs_cpinfo *, size_t);
44
45#endif /* _NILFS_CPFILE_H */