[people/ms/linux.git] / fs / nilfs2 / dat.h

/* SPDX-License-Identifier: GPL-2.0+ */
/*
 * NILFS disk address translation.
 *
 * Copyright (C) 2006-2008 Nippon Telegraph and Telephone Corporation.
 *
 * Written by Koji Sato.
 */

#ifndef _NILFS_DAT_H
#define _NILFS_DAT_H

#include <linux/types.h>
#include <linux/buffer_head.h>
#include <linux/fs.h>
#include <linux/nilfs2_ondisk.h>	/* nilfs_inode, nilfs_checkpoint */


struct nilfs_palloc_req;

int nilfs_dat_translate(struct inode *, __u64, sector_t *);

int nilfs_dat_prepare_alloc(struct inode *, struct nilfs_palloc_req *);
void nilfs_dat_commit_alloc(struct inode *, struct nilfs_palloc_req *);
void nilfs_dat_abort_alloc(struct inode *, struct nilfs_palloc_req *);
int nilfs_dat_prepare_start(struct inode *, struct nilfs_palloc_req *);
void nilfs_dat_commit_start(struct inode *, struct nilfs_palloc_req *,
			    sector_t);
int nilfs_dat_prepare_end(struct inode *, struct nilfs_palloc_req *);
void nilfs_dat_commit_end(struct inode *, struct nilfs_palloc_req *, int);
void nilfs_dat_abort_end(struct inode *, struct nilfs_palloc_req *);
int nilfs_dat_prepare_update(struct inode *, struct nilfs_palloc_req *,
			     struct nilfs_palloc_req *);
void nilfs_dat_commit_update(struct inode *, struct nilfs_palloc_req *,
			     struct nilfs_palloc_req *, int);
void nilfs_dat_abort_update(struct inode *, struct nilfs_palloc_req *,
			    struct nilfs_palloc_req *);

int nilfs_dat_mark_dirty(struct inode *, __u64);
int nilfs_dat_freev(struct inode *, __u64 *, size_t);
int nilfs_dat_move(struct inode *, __u64, sector_t);
ssize_t nilfs_dat_get_vinfo(struct inode *, void *, unsigned int, size_t);

int nilfs_dat_read(struct super_block *sb, size_t entry_size,
		   struct nilfs_inode *raw_inode, struct inode **inodep);

#endif	/* _NILFS_DAT_H */
Commit	Line	Data
ae98043f	1	/* SPDX-License-Identifier: GPL-2.0+ */
a17564f5	2	/*
94ee1d91	3	* NILFS disk address translation.
a17564f5 KS	4	*
	5	* Copyright (C) 2006-2008 Nippon Telegraph and Telephone Corporation.
	6	*
4b420ab4	7	* Written by Koji Sato.
a17564f5 KS	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>
e63e88bc	16	#include <linux/nilfs2_ondisk.h> /* nilfs_inode, nilfs_checkpoint */
a17564f5	17
a17564f5 KS	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);
a17564f5 KS	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 );
bd8169ef RK	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 *);
a17564f5 KS	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);
0c6c44cb	42	ssize_t nilfs_dat_get_vinfo(struct inode , void , unsigned int, size_t);
a17564f5	43
f1e89c86 RK	44	int nilfs_dat_read(struct super_block *sb, size_t entry_size,
f1e89c86 RK	45	struct nilfs_inode raw_inode, struct inode *inodep);
79739565	46
a17564f5	47	#endif /* _NILFS_DAT_H */