linux - fs/nilfs2/dat.h

47 lines · 1.7 KiB

1	/* SPDX-License-Identifier: GPL-2.0+ */
2	/*
3	* NILFS disk address translation.
4	*
5	* Copyright (C) 2006-2008 Nippon Telegraph and Telephone Corporation.
6	*
7	* Written by Koji Sato.
8	*/
9
10	#ifndef _NILFS_DAT_H
11	#define _NILFS_DAT_H
12
13	#include <linux/types.h>
14	#include <linux/buffer_head.h>
15	#include <linux/fs.h>
16	#include <linux/nilfs2_ondisk.h> /* nilfs_inode, nilfs_checkpoint */
17
18
19	struct nilfs_palloc_req;
20
21	int nilfs_dat_translate(struct inode , __u64, sector_t );
22
23	int nilfs_dat_prepare_alloc(struct inode , struct nilfs_palloc_req );
24	void nilfs_dat_commit_alloc(struct inode , struct nilfs_palloc_req );
25	void nilfs_dat_abort_alloc(struct inode , struct nilfs_palloc_req );
26	int nilfs_dat_prepare_start(struct inode , struct nilfs_palloc_req );
27	void nilfs_dat_commit_start(struct inode , struct nilfs_palloc_req ,
28	sector_t);
29	int nilfs_dat_prepare_end(struct inode , struct nilfs_palloc_req );
30	void nilfs_dat_commit_end(struct inode , struct nilfs_palloc_req , int);
31	void nilfs_dat_abort_end(struct inode , struct nilfs_palloc_req );
32	int nilfs_dat_prepare_update(struct inode , struct nilfs_palloc_req ,
33	struct nilfs_palloc_req *);
34	void nilfs_dat_commit_update(struct inode , struct nilfs_palloc_req ,
35	struct nilfs_palloc_req *, int);
36	void nilfs_dat_abort_update(struct inode , struct nilfs_palloc_req ,
37	struct nilfs_palloc_req *);
38
39	int nilfs_dat_mark_dirty(struct inode *, __u64);
40	int nilfs_dat_freev(struct inode , __u64 , size_t);
41	int nilfs_dat_move(struct inode *, __u64, sector_t);
42	ssize_t nilfs_dat_get_vinfo(struct inode , void , unsigned int, size_t);
43
44	int nilfs_dat_read(struct super_block *sb, size_t entry_size,
45	struct nilfs_inode raw_inode, struct inode *inodep);
46
47	#endif /* _NILFS_DAT_H */