| 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 */ |