blob: 53b20cc73994342e48f9badc229234bd99c1173c [file] [log] [blame]
lh9ed821d2023-04-07 01:36:19 -07001/*
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
15struct 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};