1/* vi: set sw=4 ts=4: */ 2/* 3 * e2image.h --- header file describing the ext2 image format 4 * 5 * Copyright (C) 2000 Theodore Ts'o. 6 * 7 * Note: this uses the POSIX IO interfaces, unlike most of the other 8 * functions in this library. So sue me. 9 * 10 * %Begin-Header% 11 * This file may be redistributed under the terms of the GNU Public 12 * License. 13 * %End-Header% 14 */ 15 16 17struct ext2_image_hdr { 18 __u32 magic_number; /* This must be EXT2_ET_MAGIC_E2IMAGE */ 19 char magic_descriptor[16]; /* "Ext2 Image 1.0", w/ null padding */ 20 char fs_hostname[64];/* Hostname of machine of image */ 21 char fs_netaddr[32]; /* Network address */ 22 __u32 fs_netaddr_type;/* 0 = IPV4, 1 = IPV6, etc. */ 23 __u32 fs_device; /* Device number of image */ 24 char fs_device_name[64]; /* Device name */ 25 char fs_uuid[16]; /* UUID of filesystem */ 26 __u32 fs_blocksize; /* Block size of the filesystem */ 27 __u32 fs_reserved[8]; 28 29 __u32 image_device; /* Device number of image file */ 30 __u32 image_inode; /* Inode number of image file */ 31 __u32 image_time; /* Time of image creation */ 32 __u32 image_reserved[8]; 33 34 __u32 offset_super; /* Byte offset of the sb and descriptors */ 35 __u32 offset_inode; /* Byte offset of the inode table */ 36 __u32 offset_inodemap; /* Byte offset of the inode bitmaps */ 37 __u32 offset_blockmap; /* Byte offset of the inode bitmaps */ 38 __u32 offset_reserved[8]; 39}; 40