blob: e385064a066a5fa73b456d2095ec468ea09f38eb [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
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 */
39typedef 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__
48struct xfs_mount;
49struct xfs_trans;
50int xfs_imap(struct xfs_mount *, struct xfs_trans *, xfs_ino_t,
51 xfs_imap_t *, uint);
52#endif
53
54#endif /* __XFS_IMAP_H__ */