1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /*
3  * NILFS checkpoint file.
4  *
5  * Copyright (C) 2006-2008 Nippon Telegraph and Telephone Corporation.
6  *
7  * Written by Koji Sato.
8  */
9 
10 #ifndef _NILFS_CPFILE_H
11 #define _NILFS_CPFILE_H
12 
13 #include <linux/fs.h>
14 #include <linux/buffer_head.h>
15 #include <linux/nilfs2_api.h>		/* nilfs_cpstat */
16 #include <linux/nilfs2_ondisk.h>	/* nilfs_inode, nilfs_checkpoint */
17 
18 
19 int nilfs_cpfile_get_checkpoint(struct inode *, __u64, int,
20 				struct nilfs_checkpoint **,
21 				struct buffer_head **);
22 void nilfs_cpfile_put_checkpoint(struct inode *, __u64, struct buffer_head *);
23 int nilfs_cpfile_delete_checkpoints(struct inode *, __u64, __u64);
24 int nilfs_cpfile_delete_checkpoint(struct inode *, __u64);
25 int nilfs_cpfile_change_cpmode(struct inode *, __u64, int);
26 int nilfs_cpfile_is_snapshot(struct inode *, __u64);
27 int nilfs_cpfile_get_stat(struct inode *, struct nilfs_cpstat *);
28 ssize_t nilfs_cpfile_get_cpinfo(struct inode *, __u64 *, int, void *,
29 				unsigned int, size_t);
30 
31 int nilfs_cpfile_read(struct super_block *sb, size_t cpsize,
32 		      struct nilfs_inode *raw_inode, struct inode **inodep);
33 
34 #endif	/* _NILFS_CPFILE_H */
35