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#ifndef __LINUX_UDF_SB_H

#define __LINUX_UDF_SB_H

/* Since UDF 2.01 is ISO 13346 based... */

#define UDF_SUPER_MAGIC                 0x15013346

#define UDF_MAX_READ_VERSION            0x0201

#define UDF_MAX_WRITE_VERSION           0x0201

#define UDF_FLAG_USE_EXTENDED_FE        0

#define UDF_VERS_USE_EXTENDED_FE        0x0200

#define UDF_FLAG_USE_STREAMS            1

#define UDF_VERS_USE_STREAMS            0x0200

#define UDF_FLAG_USE_SHORT_AD           2

#define UDF_FLAG_USE_AD_IN_ICB          3

#define UDF_FLAG_USE_FILE_CTIME_EA      4

#define UDF_FLAG_STRICT                 5

#define UDF_FLAG_UNDELETE               6

#define UDF_FLAG_UNHIDE                 7

#define UDF_FLAG_VARCONV                8

#define UDF_FLAG_NLS_MAP                9

#define UDF_FLAG_UTF8                   10

#define UDF_FLAG_UID_FORGET     11    /* save -1 for uid to disk */

#define UDF_FLAG_UID_IGNORE     12    /* use sb uid instead of on disk uid */

#define UDF_FLAG_GID_FORGET     13

#define UDF_FLAG_GID_IGNORE     14

#define UDF_FLAG_UID_SET        15

#define UDF_FLAG_GID_SET        16

#define UDF_PART_FLAG_UNALLOC_BITMAP    0x0001

#define UDF_PART_FLAG_UNALLOC_TABLE     0x0002

#define UDF_PART_FLAG_FREED_BITMAP      0x0004

#define UDF_PART_FLAG_FREED_TABLE       0x0008

#define UDF_PART_FLAG_READ_ONLY         0x0010

#define UDF_PART_FLAG_WRITE_ONCE        0x0020

#define UDF_PART_FLAG_REWRITABLE        0x0040

#define UDF_PART_FLAG_OVERWRITABLE      0x0080

static inline struct udf_sb_info *UDF_SB(struct super_block *sb)

{

        return sb->s_fs_info;

}

#define UDF_SB_FREE(X)\

{\

        if (UDF_SB(X)) {\

                kfree(UDF_SB_PARTMAPS(X));\

                UDF_SB_PARTMAPS(X) = NULL;\

        }\

}

#define UDF_SB_ALLOC_PARTMAPS(X,Y)\

{\

        UDF_SB_PARTMAPS(X) = kmalloc(sizeof(struct udf_part_map) * Y, GFP_KERNEL);\

        if (UDF_SB_PARTMAPS(X) != NULL) {\

                UDF_SB_NUMPARTS(X) = Y;\

                memset(UDF_SB_PARTMAPS(X), 0x00, sizeof(struct udf_part_map) * Y);\

        } else {\

                UDF_SB_NUMPARTS(X) = 0;\

                udf_error(X, __FUNCTION__, "Unable to allocate space for %d partition maps", Y);\

        }\

}

#define UDF_SB_ALLOC_BITMAP(X,Y,Z)\

{\

        int nr_groups = ((UDF_SB_PARTLEN((X),(Y)) + (sizeof(struct spaceBitmapDesc) << 3) +\

                ((X)->s_blocksize * 8) - 1) / ((X)->s_blocksize * 8));\

        int size = sizeof(struct udf_bitmap) + (sizeof(struct buffer_head *) * nr_groups);\

        if (size <= PAGE_SIZE)\

                UDF_SB_PARTMAPS(X)[(Y)].Z.s_bitmap = kmalloc(size, GFP_KERNEL);\

        else\

                UDF_SB_PARTMAPS(X)[(Y)].Z.s_bitmap = vmalloc(size);\

        if (UDF_SB_PARTMAPS(X)[(Y)].Z.s_bitmap != NULL) {\

                memset(UDF_SB_PARTMAPS(X)[(Y)].Z.s_bitmap, 0x00, size);\

                UDF_SB_PARTMAPS(X)[(Y)].Z.s_bitmap->s_block_bitmap =\

                        (struct buffer_head **)(UDF_SB_PARTMAPS(X)[(Y)].Z.s_bitmap + 1);\

                UDF_SB_PARTMAPS(X)[(Y)].Z.s_bitmap->s_nr_groups = nr_groups;\

        } else {\

                udf_error(X, __FUNCTION__, "Unable to allocate space for bitmap and %d buffer_head pointers", nr_groups);\

        }\

}

#define UDF_SB_FREE_BITMAP(X,Y,Z)\

{\

        int i;\

        int nr_groups = UDF_SB_BITMAP_NR_GROUPS(X,Y,Z);\

        int size = sizeof(struct udf_bitmap) + (sizeof(struct buffer_head *) * nr_groups);\

        for (i = 0; i < nr_groups; i++) {\

                if (UDF_SB_BITMAP(X,Y,Z,i))\

                        brelse(UDF_SB_BITMAP(X,Y,Z,i));\

        }\

        if (size <= PAGE_SIZE)\

                kfree(UDF_SB_PARTMAPS(X)[Y].Z.s_bitmap);\

        else\

                vfree(UDF_SB_PARTMAPS(X)[Y].Z.s_bitmap);\

}

#define UDF_QUERY_FLAG(X,Y)                     ( UDF_SB(X)->s_flags & ( 1 << (Y) ) )

#define UDF_SET_FLAG(X,Y)                       ( UDF_SB(X)->s_flags |= ( 1 << (Y) ) )

#define UDF_CLEAR_FLAG(X,Y)                     ( UDF_SB(X)->s_flags &= ~( 1 << (Y) ) )

#define UDF_UPDATE_UDFREV(X,Y)                  ( ((Y) > UDF_SB_UDFREV(X)) ? UDF_SB_UDFREV(X) = (Y) : UDF_SB_UDFREV(X) )

#define UDF_SB_PARTMAPS(X)                      ( UDF_SB(X)->s_partmaps )

#define UDF_SB_PARTTYPE(X,Y)                    ( UDF_SB_PARTMAPS(X)[(Y)].s_partition_type )

#define UDF_SB_PARTROOT(X,Y)                    ( UDF_SB_PARTMAPS(X)[(Y)].s_partition_root )

#define UDF_SB_PARTLEN(X,Y)                     ( UDF_SB_PARTMAPS(X)[(Y)].s_partition_len )

#define UDF_SB_PARTVSN(X,Y)                     ( UDF_SB_PARTMAPS(X)[(Y)].s_volumeseqnum )

#define UDF_SB_PARTNUM(X,Y)                     ( UDF_SB_PARTMAPS(X)[(Y)].s_partition_num )

#define UDF_SB_TYPESPAR(X,Y)                    ( UDF_SB_PARTMAPS(X)[(Y)].s_type_specific.s_sparing )

#define UDF_SB_TYPEVIRT(X,Y)                    ( UDF_SB_PARTMAPS(X)[(Y)].s_type_specific.s_virtual )

#define UDF_SB_PARTFUNC(X,Y)                    ( UDF_SB_PARTMAPS(X)[(Y)].s_partition_func )

#define UDF_SB_PARTFLAGS(X,Y)                   ( UDF_SB_PARTMAPS(X)[(Y)].s_partition_flags )

#define UDF_SB_BITMAP(X,Y,Z,I)                  ( UDF_SB_PARTMAPS(X)[(Y)].Z.s_bitmap->s_block_bitmap[I] )

#define UDF_SB_BITMAP_NR_GROUPS(X,Y,Z)          ( UDF_SB_PARTMAPS(X)[(Y)].Z.s_bitmap->s_nr_groups )

#define UDF_SB_VOLIDENT(X)                      ( UDF_SB(X)->s_volident )

#define UDF_SB_NUMPARTS(X)                      ( UDF_SB(X)->s_partitions )

#define UDF_SB_PARTITION(X)                     ( UDF_SB(X)->s_partition )

#define UDF_SB_SESSION(X)                       ( UDF_SB(X)->s_session )

#define UDF_SB_ANCHOR(X)                        ( UDF_SB(X)->s_anchor )

#define UDF_SB_LASTBLOCK(X)                     ( UDF_SB(X)->s_lastblock )

#define UDF_SB_LVIDBH(X)                        ( UDF_SB(X)->s_lvidbh )

#define UDF_SB_LVID(X)                          ( (struct logicalVolIntegrityDesc *)UDF_SB_LVIDBH(X)->b_data )

#define UDF_SB_LVIDIU(X)                        ( (struct logicalVolIntegrityDescImpUse *)&(UDF_SB_LVID(X)->impUse[le32_to_cpu(UDF_SB_LVID(X)->numOfPartitions) * 2 * sizeof(uint32_t)/sizeof(uint8_t)]) )

#define UDF_SB_UMASK(X)                         ( UDF_SB(X)->s_umask )

#define UDF_SB_GID(X)                           ( UDF_SB(X)->s_gid )

#define UDF_SB_UID(X)                           ( UDF_SB(X)->s_uid )

#define UDF_SB_RECORDTIME(X)                    ( UDF_SB(X)->s_recordtime )

#define UDF_SB_SERIALNUM(X)                     ( UDF_SB(X)->s_serialnum )

#define UDF_SB_UDFREV(X)                        ( UDF_SB(X)->s_udfrev )

#define UDF_SB_FLAGS(X)                         ( UDF_SB(X)->s_flags )

#define UDF_SB_VAT(X)                           ( UDF_SB(X)->s_vat )

#endif /* __LINUX_UDF_SB_H */