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1 /*
2  * e2image.h --- header file describing the ext2 image format
3  *
4  * Copyright (C) 2000 Theodore Ts'o.
5  *
6  * Note: this uses the POSIX IO interfaces, unlike most of the other
7  * functions in this library.  So sue me.
8  *
9  * %Begin-Header%
10  * This file may be redistributed under the terms of the GNU Library
11  * General Public License, version 2.
12  * %End-Header%
13  */
14 
15 struct ext2_image_hdr {
16 	__u32	magic_number;	/* This must be EXT2_ET_MAGIC_E2IMAGE */
17 	char	magic_descriptor[16]; /* "Ext2 Image 1.0", w/ null padding */
18 	char	fs_hostname[64];/* Hostname of machine of image */
19 	char	fs_netaddr[32];	/* Network address */
20 	__u32	fs_netaddr_type;/* 0 = IPV4, 1 = IPV6, etc. */
21 	__u32	fs_device;	/* Device number of image */
22 	char	fs_device_name[64]; /* Device name */
23 	char	fs_uuid[16];	/* UUID of filesystem */
24 	__u32	fs_blocksize;	/* Block size of the filesystem */
25 	__u32	fs_reserved[8];
26 
27 	__u32	image_device;	/* Device number of image file */
28 	__u32	image_inode;	/* Inode number of image file */
29 	__u32	image_time;	/* Time of image creation */
30 	__u32	image_reserved[8];
31 
32 	__u32	offset_super;	/* Byte offset of the sb and descriptors */
33 	__u32	offset_inode;	/* Byte offset of the inode table  */
34 	__u32	offset_inodemap; /* Byte offset of the inode bitmaps */
35 	__u32	offset_blockmap; /* Byte offset of the inode bitmaps */
36 	__u32	offset_reserved[8];
37 };
38