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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 
     16 struct ext2_image_hdr {
     17 	__u32	magic_number;	/* This must be EXT2_ET_MAGIC_E2IMAGE */
     18 	char	magic_descriptor[16]; /* "Ext2 Image 1.0", w/ null padding */
     19 	char	fs_hostname[64];/* Hostname of machine of image */
     20 	char	fs_netaddr[32];	/* Network address */
     21 	__u32	fs_netaddr_type;/* 0 = IPV4, 1 = IPV6, etc. */
     22 	__u32	fs_device;	/* Device number of image */
     23 	char	fs_device_name[64]; /* Device name */
     24 	char	fs_uuid[16];	/* UUID of filesystem */
     25 	__u32	fs_blocksize;	/* Block size of the filesystem */
     26 	__u32	fs_reserved[8];
     27 
     28 	__u32	image_device;	/* Device number of image file */
     29 	__u32	image_inode;	/* Inode number of image file */
     30 	__u32	image_time;	/* Time of image creation */
     31 	__u32	image_reserved[8];
     32 
     33 	__u32	offset_super;	/* Byte offset of the sb and descriptors */
     34 	__u32	offset_inode;	/* Byte offset of the inode table  */
     35 	__u32	offset_inodemap; /* Byte offset of the inode bitmaps */
     36 	__u32	offset_blockmap; /* Byte offset of the inode bitmaps */
     37 	__u32	offset_reserved[8];
     38 };
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