[linux-2.6-block.git] / fs / xfs / xfs_imap.h

/*
 * Copyright (c) 2000,2005 Silicon Graphics, Inc.
 * 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 as
 * published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it would 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 the Free Software Foundation,
 * Inc.,  51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */
#ifndef __XFS_IMAP_H__
#define	__XFS_IMAP_H__

/*
 * This is the structure passed to xfs_imap() to map
 * an inode number to its on disk location.
 */
typedef struct xfs_imap {
	xfs_daddr_t	im_blkno;	/* starting BB of inode chunk */
	uint		im_len;		/* length in BBs of inode chunk */
	xfs_agblock_t	im_agblkno;	/* logical block of inode chunk in ag */
	ushort		im_ioffset;	/* inode offset in block in "inodes" */
	ushort		im_boffset;	/* inode offset in block in bytes */
} xfs_imap_t;

#ifdef __KERNEL__
struct xfs_mount;
struct xfs_trans;
int	xfs_imap(struct xfs_mount *, struct xfs_trans *, xfs_ino_t,
		 xfs_imap_t *, uint);
#endif

#endif	/* __XFS_IMAP_H__ */
Commit	Line	Data
1da177e4	1	/*
7b718769 NS	2	* Copyright (c) 2000,2005 Silicon Graphics, Inc.
7b718769 NS	3	* All Rights Reserved.
1da177e4	4	*
7b718769 NS	5	* This program is free software; you can redistribute it and/or
7b718769 NS	6	* modify it under the terms of the GNU General Public License as
1da177e4 LT	7	* published by the Free Software Foundation.
1da177e4 LT	8	*
7b718769 NS	9	* This program is distributed in the hope that it would be useful,
	10	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	11	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	12	* GNU General Public License for more details.
1da177e4	13	*
7b718769 NS	14	* You should have received a copy of the GNU General Public License
	15	* along with this program; if not, write the Free Software Foundation,
	16	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
1da177e4 LT	17	*/
	18	#ifndef __XFS_IMAP_H__
	19	#define __XFS_IMAP_H__
	20
	21	/*
	22	* This is the structure passed to xfs_imap() to map
	23	* an inode number to its on disk location.
	24	*/
	25	typedef struct xfs_imap {
	26	xfs_daddr_t im_blkno; /* starting BB of inode chunk */
	27	uint im_len; /* length in BBs of inode chunk */
	28	xfs_agblock_t im_agblkno; /* logical block of inode chunk in ag */
	29	ushort im_ioffset; /* inode offset in block in "inodes" */
	30	ushort im_boffset; /* inode offset in block in bytes */
	31	} xfs_imap_t;
	32
	33	#ifdef __KERNEL__
	34	struct xfs_mount;
	35	struct xfs_trans;
	36	int xfs_imap(struct xfs_mount , struct xfs_trans , xfs_ino_t,
	37	xfs_imap_t *, uint);
	38	#endif
	39
	40	#endif /* __XFS_IMAP_H__ */