blob: a598d0111743ce8f6688421bba3a6a2ecc5355ce [file] [log] [blame]
Denis Vlasenkoc4f623e2006-12-26 01:30:59 +00001/* 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};