[deliverable/linux.git] / fs / nilfs2 / cpfile.h

/*
 * cpfile.h - NILFS checkpoint file.
 *
 * Copyright (C) 2006-2008 Nippon Telegraph and Telephone Corporation.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 *
 * Written by Koji Sato <koji@osrg.net>.
 */

#ifndef _NILFS_CPFILE_H
#define _NILFS_CPFILE_H

#include <linux/fs.h>
#include <linux/buffer_head.h>
#include <linux/nilfs2_fs.h>

#define NILFS_CPFILE_GFP	NILFS_MDT_GFP


int nilfs_cpfile_get_checkpoint(struct inode *, __u64, int,
				struct nilfs_checkpoint **,
				struct buffer_head **);
void nilfs_cpfile_put_checkpoint(struct inode *, __u64, struct buffer_head *);
int nilfs_cpfile_delete_checkpoints(struct inode *, __u64, __u64);
int nilfs_cpfile_delete_checkpoint(struct inode *, __u64);
int nilfs_cpfile_change_cpmode(struct inode *, __u64, int);
int nilfs_cpfile_is_snapshot(struct inode *, __u64);
int nilfs_cpfile_get_stat(struct inode *, struct nilfs_cpstat *);
ssize_t nilfs_cpfile_get_cpinfo(struct inode *, __u64 *, int, void *, unsigned,
				size_t);

#endif	/* _NILFS_CPFILE_H */
Commit	Line	Data
29619809 KS	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	* You should have received a copy of the GNU General Public License
	17	* along with this program; if not, write to the Free Software
	18	* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
	19	*
	20	* Written by Koji Sato <koji@osrg.net>.
	21	*/
	22
	23	#ifndef _NILFS_CPFILE_H
	24	#define _NILFS_CPFILE_H
	25
	26	#include <linux/fs.h>
	27	#include <linux/buffer_head.h>
	28	#include <linux/nilfs2_fs.h>
	29
	30	#define NILFS_CPFILE_GFP NILFS_MDT_GFP
	31
	32
	33	int nilfs_cpfile_get_checkpoint(struct inode *, __u64, int,
	34	struct nilfs_checkpoint **,
	35	struct buffer_head **);
	36	void nilfs_cpfile_put_checkpoint(struct inode , __u64, struct buffer_head );
	37	int nilfs_cpfile_delete_checkpoints(struct inode *, __u64, __u64);
	38	int nilfs_cpfile_delete_checkpoint(struct inode *, __u64);
	39	int nilfs_cpfile_change_cpmode(struct inode *, __u64, int);
	40	int nilfs_cpfile_is_snapshot(struct inode *, __u64);
	41	int nilfs_cpfile_get_stat(struct inode , struct nilfs_cpstat );
003ff182 RK	42	ssize_t nilfs_cpfile_get_cpinfo(struct inode , __u64 , int, void *, unsigned,
003ff182 RK	43	size_t);
29619809 KS	44
29619809 KS	45	#endif /* _NILFS_CPFILE_H */