1 /*
2  * Copyright (c) 2000 Silicon Graphics, Inc.  All Rights Reserved.
3  *
4  * This program is free software; you can redistribute it and/or modify it
5  * under the terms of version 2 of the GNU General Public License as
6  * published by the Free Software Foundation.
7  *
8  * This program is distributed in the hope that it would be useful, but
9  * WITHOUT ANY WARRANTY; without even the implied warranty of
10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
11  *
12  * Further, this software is distributed without any warranty that it is
13  * free of the rightful claim of any third person regarding infringement
14  * or the like.  Any license provided herein, whether implied or
15  * otherwise, applies only to this software file.  Patent licenses, if
16  * any, provided herein do not apply to combinations of this program with
17  * other software, or any other product whatsoever.
18  *
19  * You should have received a copy of the GNU General Public License along
20  * with this program; if not, write the Free Software Foundation, Inc., 59
21  * Temple Place - Suite 330, Boston MA 02111-1307, USA.
22  *
23  * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
24  * Mountain View, CA  94043, or:
25  *
26  * http://www.sgi.com
27  *
28  * For further information regarding this notice, see:
29  *
30  * http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
31  */
32 #ifndef __XFS_IMAP_H__
33 #define	__XFS_IMAP_H__
34 
35 /*
36  * This is the structure passed to xfs_imap() to map
37  * an inode number to its on disk location.
38  */
39 typedef struct xfs_imap {
40 	xfs_daddr_t	im_blkno;	/* starting BB of inode chunk */
41 	uint		im_len;		/* length in BBs of inode chunk */
42 	xfs_agblock_t	im_agblkno;	/* logical block of inode chunk in ag */
43 	ushort		im_ioffset;	/* inode offset in block in "inodes" */
44 	ushort		im_boffset;	/* inode offset in block in bytes */
45 } xfs_imap_t;
46 
47 #ifdef __KERNEL__
48 struct xfs_mount;
49 struct xfs_trans;
50 int	xfs_imap(struct xfs_mount *, struct xfs_trans *, xfs_ino_t,
51 		 xfs_imap_t *, uint);
52 #endif
53 
54 #endif	/* __XFS_IMAP_H__ */
55