xref: /linux/fs/freevxfs/vxfs_fshead.h (revision ca55b2fef3a9373fcfc30f82fd26bc7fccbda732)
1 /*
2  * Copyright (c) 2000-2001 Christoph Hellwig.
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions, and the following disclaimer,
10  *    without modification.
11  * 2. The name of the author may not be used to endorse or promote products
12  *    derived from this software without specific prior written permission.
13  *
14  * Alternatively, this software may be distributed under the terms of the
15  * GNU General Public License ("GPL").
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
21  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27  * SUCH DAMAGE.
28  *
29  */
30 #ifndef _VXFS_FSHEAD_H_
31 #define _VXFS_FSHEAD_H_
32 
33 /*
34  * Veritas filesystem driver - fileset header structures.
35  *
36  * This file contains the physical structure of the VxFS
37  * fileset header.
38  */
39 
40 
41 /*
42  * Fileset header
43  */
44 struct vxfs_fsh {
45 	u_int32_t	fsh_version;		/* fileset header version */
46 	u_int32_t	fsh_fsindex;		/* fileset index */
47 	u_int32_t	fsh_time;		/* modification time - sec */
48 	u_int32_t	fsh_utime;		/* modification time - usec */
49 	u_int32_t	fsh_extop;		/* extop flags */
50 	vx_ino_t	fsh_ninodes;		/* allocated inodes */
51 	u_int32_t	fsh_nau;		/* number of IAUs */
52 	u_int32_t	fsh_old_ilesize;	/* old size of ilist */
53 	u_int32_t	fsh_dflags;		/* flags */
54 	u_int32_t	fsh_quota;		/* quota limit */
55 	vx_ino_t	fsh_maxinode;		/* maximum inode number */
56 	vx_ino_t	fsh_iauino;		/* IAU inode */
57 	vx_ino_t	fsh_ilistino[2];	/* ilist inodes */
58 	vx_ino_t	fsh_lctino;		/* link count table inode */
59 
60 	/*
61 	 * Slightly more fields follow, but they
62 	 *  a) are not of any interest for us, and
63 	 *  b) differ a lot in different vxfs versions/ports
64 	 */
65 };
66 
67 #endif /* _VXFS_FSHEAD_H_ */
68