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 */ 44