blob: a598d0111743ce8f6688421bba3a6a2ecc5355ce
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 | |
17 | struct 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 |