xref: /linux/fs/nilfs2/cpfile.h (revision 6a4aee277740d04ac0fd54cfa17cc28261932ddc)
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_read_checkpoint(struct inode *cpfile, __u64 cno,
20 				 struct nilfs_root *root, struct inode *ifile);
21 int nilfs_cpfile_create_checkpoint(struct inode *cpfile, __u64 cno);
22 int nilfs_cpfile_finalize_checkpoint(struct inode *cpfile, __u64 cno,
23 				     struct nilfs_root *root, __u64 blkinc,
24 				     time64_t ctime, bool minor);
25 int nilfs_cpfile_delete_checkpoints(struct inode *, __u64, __u64);
26 int nilfs_cpfile_delete_checkpoint(struct inode *, __u64);
27 int nilfs_cpfile_change_cpmode(struct inode *, __u64, int);
28 int nilfs_cpfile_is_snapshot(struct inode *, __u64);
29 int nilfs_cpfile_get_stat(struct inode *, struct nilfs_cpstat *);
30 ssize_t nilfs_cpfile_get_cpinfo(struct inode *, __u64 *, int, void *,
31 				unsigned int, size_t);
32 
33 int nilfs_cpfile_read(struct super_block *sb, size_t cpsize,
34 		      struct nilfs_inode *raw_inode, struct inode **inodep);
35 
36 #endif	/* _NILFS_CPFILE_H */
37