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vxfs_fshead.h
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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_ */