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 }; 39 40 41 42 43 44 45 46 47 48 49 50 51 52