xref: /openbmc/linux/fs/freevxfs/vxfs_fshead.h (revision d9fd5a71)
1 /*
2  * Copyright (c) 2000-2001 Christoph Hellwig.
3  * Copyright (c) 2016 Krzysztof Blaszkowski
4  * All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions, and the following disclaimer,
11  *    without modification.
12  * 2. The name of the author may not be used to endorse or promote products
13  *    derived from this software without specific prior written permission.
14  *
15  * Alternatively, this software may be distributed under the terms of the
16  * GNU General Public License ("GPL").
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
22  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28  * SUCH DAMAGE.
29  *
30  */
31 #ifndef _VXFS_FSHEAD_H_
32 #define _VXFS_FSHEAD_H_
33 
34 /*
35  * Veritas filesystem driver - fileset header structures.
36  *
37  * This file contains the physical structure of the VxFS
38  * fileset header.
39  */
40 
41 
42 /*
43  * Fileset header
44  */
45 struct vxfs_fsh {
46 	__fs32		fsh_version;		/* fileset header version */
47 	__fs32		fsh_fsindex;		/* fileset index */
48 	__fs32		fsh_time;		/* modification time - sec */
49 	__fs32		fsh_utime;		/* modification time - usec */
50 	__fs32		fsh_extop;		/* extop flags */
51 	__fs32		fsh_ninodes;		/* allocated inodes */
52 	__fs32		fsh_nau;		/* number of IAUs */
53 	__fs32		fsh_old_ilesize;	/* old size of ilist */
54 	__fs32		fsh_dflags;		/* flags */
55 	__fs32		fsh_quota;		/* quota limit */
56 	__fs32		fsh_maxinode;		/* maximum inode number */
57 	__fs32		fsh_iauino;		/* IAU inode */
58 	__fs32		fsh_ilistino[2];	/* ilist inodes */
59 	__fs32		fsh_lctino;		/* link count table inode */
60 
61 	/*
62 	 * Slightly more fields follow, but they
63 	 *  a) are not of any interest for us, and
64 	 *  b) differ a lot in different vxfs versions/ports
65 	 */
66 };
67 
68 #endif /* _VXFS_FSHEAD_H_ */
69