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e2image.h 1.3 KB

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  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. struct 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. __u32 image_device; /* Device number of image file */
  27. __u32 image_inode; /* Inode number of image file */
  28. __u32 image_time; /* Time of image creation */
  29. __u32 image_reserved[8];
  30. __u32 offset_super; /* Byte offset of the sb and descriptors */
  31. __u32 offset_inode; /* Byte offset of the inode table */
  32. __u32 offset_inodemap; /* Byte offset of the inode bitmaps */
  33. __u32 offset_blockmap; /* Byte offset of the inode bitmaps */
  34. __u32 offset_reserved[8];
  35. };