fs/udf/udf_sb.h

   1 #ifndef __LINUX_UDF_SB_H
   2 #define __LINUX_UDF_SB_H
   3
   4 #include <linux/udf_167.h>
   5 #include <linux/udf_udf.h>
   6
   7 /* Since UDF 1.50 is ISO 13346 based... */
   8 #define UDF_SUPER_MAGIC 0x15013346
   9
  10 #define UDF_FLAG_STRICT         0x00000001U
  11 #define UDF_FLAG_UNDELETE       0x00000002U
  12 #define UDF_FLAG_UNHIDE         0x00000004U
  13 #define UDF_FLAG_VARCONV        0x00000008U
  14
  15 #define UDF_SB_FREE(X)\
  16 {\
  17         if (UDF_SB(X))\
  18         {\
  19                 if (UDF_SB_PARTMAPS(X))\
  20                         kfree(UDF_SB_PARTMAPS(X));\
  21                 UDF_SB_PARTMAPS(X) = NULL;\
  22         }\
  23 }
  24 #define UDF_SB(X)       (&((X)->u.udf_sb))
  25
  26 #define UDF_SB_ALLOC_PARTMAPS(X,Y)\
  27 {\
  28         UDF_SB_NUMPARTS(X) = Y;\
  29         UDF_SB_PARTMAPS(X) = kmalloc(sizeof(struct udf_part_map) * Y, GFP_KERNEL);\
  30 }
  31
  32 #define IS_STRICT(X)                    ( UDF_SB(X)->s_flags & UDF_FLAG_STRICT )
  33 #define IS_UNDELETE(X)                  ( UDF_SB(X)->s_flags & UDF_FLAG_UNDELETE )
  34 #define IS_UNHIDE(X)                    ( UDF_SB(X)->s_flags & UDF_FLAG_UNHIDE )
  35
  36 #define UDF_SB_SESSION(X)               ( UDF_SB(X)->s_session )
  37 #define UDF_SB_ANCHOR(X)                ( UDF_SB(X)->s_anchor )
  38 #define UDF_SB_NUMPARTS(X)              ( UDF_SB(X)->s_partitions )
  39 #define UDF_SB_VOLUME(X)                ( UDF_SB(X)->s_thisvolume )
  40 #define UDF_SB_LASTBLOCK(X)             ( UDF_SB(X)->s_lastblock )
  41 #define UDF_SB_VOLDESC(X)               ( UDF_SB(X)->s_voldesc )
  42 #define UDF_SB_LVIDBH(X)                ( UDF_SB(X)->s_lvidbh )
  43 #define UDF_SB_LVID(X)                  ( (struct LogicalVolIntegrityDesc *)UDF_SB_LVIDBH(X)->b_data )
  44 #define UDF_SB_LVIDIU(X)                ( (struct LogicalVolIntegrityDescImpUse *)&(UDF_SB_LVID(sb)->impUse[UDF_SB_LVID(sb)->numOfPartitions * 2 * sizeof(Uint32)/sizeof(Uint8)]) )
  45 #define UDF_SB_PARTITION(X)             ( UDF_SB(X)->s_partition )
  46 #define UDF_SB_RECORDTIME(X)    ( UDF_SB(X)->s_recordtime )
  47 #define UDF_SB_VOLIDENT(X)              ( UDF_SB(X)->s_volident )
  48 #define UDF_SB_PARTMAPS(X)              ( UDF_SB(X)->s_partmaps )
  49 #define UDF_SB_LOCATION(X)              ( UDF_SB(X)->s_location )
  50 #define UDF_SB_SERIALNUM(X)             ( UDF_SB(X)->s_serialnum )
  51 #define UDF_SB_CHARSET(X)               ( UDF_SB(X)->s_nls_iocharset )
  52 #define UDF_SB_VAT(X)                   ( UDF_SB(X)->s_vat )
  53
  54 #define UDF_SB_BLOCK_BITMAP_NUMBER(X,Y) ( UDF_SB(X)->s_block_bitmap_number[Y] )
  55 #define UDF_SB_BLOCK_BITMAP(X,Y)                ( UDF_SB(X)->s_block_bitmap[Y] )
  56 #define UDF_SB_LOADED_BLOCK_BITMAPS(X)  ( UDF_SB(X)->s_loaded_block_bitmaps )
  57
  58 #define UDF_SB_PARTTYPE(X,Y)    ( UDF_SB_PARTMAPS(X)[Y].s_partition_type )
  59 #define UDF_SB_PARTROOT(X,Y)    ( UDF_SB_PARTMAPS(X)[Y].s_partition_root )
  60 #define UDF_SB_PARTLEN(X,Y)             ( UDF_SB_PARTMAPS(X)[Y].s_partition_len )
  61 #define UDF_SB_PARTVSN(X,Y)             ( UDF_SB_PARTMAPS(X)[Y].s_volumeseqnum )
  62 #define UDF_SB_PARTNUM(X,Y)             ( UDF_SB_PARTMAPS(X)[Y].s_partition_num )
  63 #define UDF_SB_TYPESPAR(X,Y)    ( UDF_SB_PARTMAPS(X)[Y].s_type_specific.s_sparing )
  64 #define UDF_SB_TYPEVIRT(X,Y)    ( UDF_SB_PARTMAPS(X)[Y].s_type_specific.s_virtual )
  65
  66 #endif /* __LINUX_UDF_SB_H */