fstype/squashfs_fs.h

   1 #ifndef __SQUASHFS_FS_H
   2 #define __SQUASHFS_FS_H
   3
   4 /*
   5  * Squashfs
   6  */
   7
   8 #define SQUASHFS_MAGIC                  0x73717368
   9 #define SQUASHFS_MAGIC_SWAP             0x68737173
  10
  11 /*
  12  * Squashfs + LZMA
  13  */
  14
  15 #define SQUASHFS_MAGIC_LZMA             0x71736873
  16 #define SQUASHFS_MAGIC_LZMA_SWAP        0x73687371
  17
  18 /* definitions for structures on disk */
  19 struct squashfs_super_block {
  20         unsigned int            s_magic;
  21         unsigned int            inodes;
  22         unsigned int            bytes_used_2;
  23         unsigned int            uid_start_2;
  24         unsigned int            guid_start_2;
  25         unsigned int            inode_table_start_2;
  26         unsigned int            directory_table_start_2;
  27         unsigned int            s_major:16;
  28         unsigned int            s_minor:16;
  29         unsigned int            block_size_1:16;
  30         unsigned int            block_log:16;
  31         unsigned int            flags:8;
  32         unsigned int            no_uids:8;
  33         unsigned int            no_guids:8;
  34         unsigned int            mkfs_time /* time of filesystem creation */;
  35         long long               root_inode;
  36         unsigned int            block_size;
  37         unsigned int            fragments;
  38         unsigned int            fragment_table_start_2;
  39         long long               bytes_used;
  40         long long               uid_start;
  41         long long               guid_start;
  42         long long               inode_table_start;
  43         long long               directory_table_start;
  44         long long               fragment_table_start;
  45         long long               lookup_table_start;
  46 } __attribute__ ((packed));
  47
  48 #endif /* __SQUASHFS_FS_H */