[deliverable/linux.git] / fs / ocfs2 / extent_map.h

/* -*- mode: c; c-basic-offset: 8; -*-
 * vim: noexpandtab sw=8 ts=8 sts=0:
 *
 * extent_map.h
 *
 * In-memory file extent mappings for OCFS2.
 *
 * Copyright (C) 2004 Oracle.  All rights reserved.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public
 * License, version 2,  as published by the Free Software Foundation.
 *
 * 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., 59 Temple Place - Suite 330,
 * Boston, MA 021110-1307, USA.
 */

#ifndef _EXTENT_MAP_H
#define _EXTENT_MAP_H

int ocfs2_get_clusters(struct inode *inode, u32 v_cluster, u32 *p_cluster,
		       u32 *num_clusters);
int ocfs2_extent_map_get_blocks(struct inode *inode, u64 v_blkno, u64 *p_blkno,
				int *ret_count);

#endif  /* _EXTENT_MAP_H */
Commit	Line	Data
ccd979bd MF	1	/* -- mode: c; c-basic-offset: 8; --
	2	* vim: noexpandtab sw=8 ts=8 sts=0:
	3	*
	4	* extent_map.h
	5	*
	6	* In-memory file extent mappings for OCFS2.
	7	*
	8	* Copyright (C) 2004 Oracle. All rights reserved.
	9	*
	10	* This program is free software; you can redistribute it and/or
	11	* modify it under the terms of the GNU General Public
	12	* License, version 2, as published by the Free Software Foundation.
	13	*
	14	* This program is distributed in the hope that it will be useful,
	15	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	16	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	17	* General Public License for more details.
	18	*
	19	* You should have received a copy of the GNU General Public
	20	* License along with this program; if not, write to the
	21	* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
	22	* Boston, MA 021110-1307, USA.
	23	*/
	24
	25	#ifndef _EXTENT_MAP_H
	26	#define _EXTENT_MAP_H
	27
9517bac6 MF	28	int ocfs2_get_clusters(struct inode inode, u32 v_cluster, u32 p_cluster,
9517bac6 MF	29	u32 *num_clusters);
363041a5 MF	30	int ocfs2_extent_map_get_blocks(struct inode inode, u64 v_blkno, u64 p_blkno,
363041a5 MF	31	int *ret_count);
ccd979bd MF	32
ccd979bd MF	33	#endif /* _EXTENT_MAP_H */