include/linux/udf_fs_sb.h

   1 /*
   2  * udf_fs_sb.h
   3  *
   4  * This include file is for the Linux kernel/module.
   5  *
   6  * CONTACTS
   7  *      E-mail regarding any portion of the Linux UDF file system should be
   8  *      directed to the development team mailing list (run by majordomo):
   9  *              linux_udf@hootie.lvld.hp.com
  10  *
  11  * COPYRIGHT
  12  *      This file is distributed under the terms of the GNU General Public
  13  *      License (GPL). Copies of the GPL can be obtained from:
  14  *              ftp://prep.ai.mit.edu/pub/gnu/GPL
  15  *      Each contributing author retains all rights to their own work.
  16  */
  17
  18 #if !defined(_LINUX_UDF_FS_SB_H)
  19 #define _LINUX_UDF_FS_SB_H
  20
  21 #pragma pack(1)
  22
  23 #define UDF_MAX_BLOCK_LOADED    8
  24
  25 #define UDF_TYPE1_MAP15                 0x1511U
  26 #define UDF_VIRTUAL_MAP15               0x1512U
  27 #define UDF_VIRTUAL_MAP20               0x2012U
  28 #define UDF_SPARABLE_MAP15              0x1522U
  29
  30 struct udf_sparing_data
  31 {
  32         __u32     s_spar_loc;
  33         __u16     s_spar_plen;
  34 };
  35
  36 struct udf_virtual_data
  37 {
  38         __u32     s_num_entries;
  39         __u16     s_start_offset;
  40 };
  41
  42 struct udf_part_map
  43 {
  44         __u32   s_uspace_bitmap;
  45         __u32   s_partition_root;
  46         __u32   s_partition_len;
  47         __u16   s_partition_type;
  48         __u16   s_partition_num;
  49         union
  50         {
  51                 struct udf_sparing_data s_sparing;
  52                 struct udf_virtual_data s_virtual;
  53         } s_type_specific;
  54         __u16   s_volumeseqnum;
  55 };
  56
  57 #pragma pack()
  58
  59 struct udf_sb_info
  60 {
  61         struct udf_part_map *s_partmaps;
  62         __u8  s_volident[32];
  63
  64         /* Overall info */
  65         __u16 s_partitions;
  66         __u16 s_partition;
  67
  68         /* Sector headers */
  69         __u32 s_session;
  70         __u32 s_anchor[4];
  71         __u32 s_lastblock;
  72
  73         struct buffer_head *s_lvidbh;
  74
  75         lb_addr s_location;
  76
  77         __u16 s_loaded_block_bitmaps;
  78         __u32 s_block_bitmap_number[UDF_MAX_BLOCK_LOADED];
  79         struct buffer_head *s_block_bitmap[UDF_MAX_BLOCK_LOADED];
  80
  81         /* Default permissions */
  82         mode_t s_umask;
  83         gid_t s_gid;
  84         uid_t s_uid;
  85
  86         /* Root Info */
  87         time_t s_recordtime;
  88
  89         /* Fileset Info */
  90         __u16 s_serialnum;
  91
  92         /* Character Mapping Info */
  93         struct nls_table *s_nls_iocharset;
  94         __u8 s_utf8;
  95
  96         /* Miscellaneous flags */
  97         __u32 s_flags;
  98
  99         /* VAT inode */
 100         struct inode    *s_vat;
 101
 102 #if LINUX_VERSION_CODE < 0x020206
 103         int s_rename_lock;
 104         struct wait_queue * s_rename_wait;
 105 #endif
 106 };
 107
 108 #endif /* !defined(_LINUX_UDF_FS_SB_H) */