kernel_lb_addr loc;
 
        loc.logicalBlockNum = bitmap->s_extPosition;
-       loc.partitionReferenceNum = UDF_SB_PARTITION(sb);
+       loc.partitionReferenceNum = UDF_SB(sb)->s_partition;
 
        bh = udf_tread(sb, udf_get_lb_pblock(sb, loc, block));
        if (!bh) {
 
        mutex_lock(&sbi->s_alloc_mutex);
        if (bloc.logicalBlockNum < 0 ||
-           (bloc.logicalBlockNum + count) > UDF_SB_PARTLEN(sb, bloc.partitionReferenceNum)) {
+           (bloc.logicalBlockNum + count) > sbi->s_partmaps[bloc.partitionReferenceNum].s_partition_len) {
                udf_debug("%d < %d || %d + %d > %d\n",
                          bloc.logicalBlockNum, 0, bloc.logicalBlockNum, count,
-                         UDF_SB_PARTLEN(sb, bloc.partitionReferenceNum));
+                         sbi->s_partmaps[bloc.partitionReferenceNum].s_partition_len);
                goto error_return;
        }
 
                } else {
                        if (inode)
                                DQUOT_FREE_BLOCK(inode, 1);
-                       if (UDF_SB_LVIDBH(sb)) {
-                               UDF_SB_LVID(sb)->freeSpaceTable[UDF_SB_PARTITION(sb)] =
-                                       cpu_to_le32(le32_to_cpu(UDF_SB_LVID(sb)->freeSpaceTable[UDF_SB_PARTITION(sb)]) + 1);
+                       if (sbi->s_lvid_bh) {
+                               struct logicalVolIntegrityDesc *lvid = (struct logicalVolIntegrityDesc *)sbi->s_lvid_bh->b_data;
+                               lvid->freeSpaceTable[sbi->s_partition] =
+                                       cpu_to_le32(le32_to_cpu(lvid->freeSpaceTable[sbi->s_partition]) + 1);
                        }
                }
        }
        }
 error_return:
        sb->s_dirt = 1;
-       if (UDF_SB_LVIDBH(sb))
-               mark_buffer_dirty(UDF_SB_LVIDBH(sb));
+       if (sbi->s_lvid_bh)
+               mark_buffer_dirty(sbi->s_lvid_bh);
        mutex_unlock(&sbi->s_alloc_mutex);
        return;
 }
        int bit, block, block_group, group_start;
        int nr_groups, bitmap_nr;
        struct buffer_head *bh;
+       __u32 part_len;
 
        mutex_lock(&sbi->s_alloc_mutex);
-       if (first_block < 0 || first_block >= UDF_SB_PARTLEN(sb, partition))
+       part_len = sbi->s_partmaps[partition].s_partition_len;
+       if (first_block < 0 || first_block >= part_len)
                goto out;
 
-       if (first_block + block_count > UDF_SB_PARTLEN(sb, partition))
-               block_count = UDF_SB_PARTLEN(sb, partition) - first_block;
+       if (first_block + block_count > part_len)
+               block_count = part_len - first_block;
 
 repeat:
-       nr_groups = (UDF_SB_PARTLEN(sb, partition) +
+       nr_groups = (sbi->s_partmaps[partition].s_partition_len +
                     (sizeof(struct spaceBitmapDesc) << 3) +
                     (sb->s_blocksize * 8) - 1) / (sb->s_blocksize * 8);
        block = first_block + (sizeof(struct spaceBitmapDesc) << 3);
        if (block_count > 0)
                goto repeat;
 out:
-       if (UDF_SB_LVIDBH(sb)) {
-               UDF_SB_LVID(sb)->freeSpaceTable[partition] =
-                       cpu_to_le32(le32_to_cpu(UDF_SB_LVID(sb)->freeSpaceTable[partition]) - alloc_count);
-               mark_buffer_dirty(UDF_SB_LVIDBH(sb));
+       if (sbi->s_lvid_bh) {
+               struct logicalVolIntegrityDesc *lvid = (struct logicalVolIntegrityDesc *)sbi->s_lvid_bh->b_data;
+               lvid->freeSpaceTable[partition] =
+                       cpu_to_le32(le32_to_cpu(lvid->freeSpaceTable[partition]) - alloc_count);
+               mark_buffer_dirty(sbi->s_lvid_bh);
        }
        sb->s_dirt = 1;
        mutex_unlock(&sbi->s_alloc_mutex);
        mutex_lock(&sbi->s_alloc_mutex);
 
 repeat:
-       if (goal < 0 || goal >= UDF_SB_PARTLEN(sb, partition))
+       if (goal < 0 || goal >= sbi->s_partmaps[partition].s_partition_len)
                goal = 0;
 
        nr_groups = bitmap->s_nr_groups;
 
        mark_buffer_dirty(bh);
 
-       if (UDF_SB_LVIDBH(sb)) {
-               UDF_SB_LVID(sb)->freeSpaceTable[partition] =
-                       cpu_to_le32(le32_to_cpu(UDF_SB_LVID(sb)->freeSpaceTable[partition]) - 1);
-               mark_buffer_dirty(UDF_SB_LVIDBH(sb));
+       if (sbi->s_lvid_bh) {
+               struct logicalVolIntegrityDesc *lvid = (struct logicalVolIntegrityDesc *)sbi->s_lvid_bh->b_data;
+               lvid->freeSpaceTable[partition] =
+                       cpu_to_le32(le32_to_cpu(lvid->freeSpaceTable[partition]) - 1);
+               mark_buffer_dirty(sbi->s_lvid_bh);
        }
        sb->s_dirt = 1;
        mutex_unlock(&sbi->s_alloc_mutex);
 
        mutex_lock(&sbi->s_alloc_mutex);
        if (bloc.logicalBlockNum < 0 ||
-           (bloc.logicalBlockNum + count) > UDF_SB_PARTLEN(sb, bloc.partitionReferenceNum)) {
+           (bloc.logicalBlockNum + count) > sbi->s_partmaps[bloc.partitionReferenceNum].s_partition_len) {
                udf_debug("%d < %d || %d + %d > %d\n",
                          bloc.logicalBlockNum, 0, bloc.logicalBlockNum, count,
-                         UDF_SB_PARTLEN(sb, bloc.partitionReferenceNum));
+                         sbi->s_partmaps[bloc.partitionReferenceNum]->s_partition_len);
                goto error_return;
        }
 
           but.. oh well */
        if (inode)
                DQUOT_FREE_BLOCK(inode, count);
-       if (UDF_SB_LVIDBH(sb)) {
-               UDF_SB_LVID(sb)->freeSpaceTable[UDF_SB_PARTITION(sb)] =
-                       cpu_to_le32(le32_to_cpu(UDF_SB_LVID(sb)->freeSpaceTable[UDF_SB_PARTITION(sb)]) + count);
-               mark_buffer_dirty(UDF_SB_LVIDBH(sb));
+       if (sbi->s_lvid_bh) {
+               struct logicalVolIntegrityDesc *lvid = (struct logicalVolIntegrityDesc *)sbi->s_lvid_bh->b_data;
+               lvid->freeSpaceTable[sbi->s_partition] =
+                       cpu_to_le32(le32_to_cpu(lvid->freeSpaceTable[sbi->s_partition]) + count);
+               mark_buffer_dirty(sbi->s_lvid_bh);
        }
 
        start = bloc.logicalBlockNum + offset;
                                }
                                epos.offset = sizeof(struct allocExtDesc);
                        }
-                       if (UDF_SB_UDFREV(sb) >= 0x0200)
+                       if (sbi->s_udfrev >= 0x0200)
                                udf_new_tag(epos.bh->b_data, TAG_IDENT_AED, 3, 1,
                                            epos.block.logicalBlockNum, sizeof(tag));
                        else
        struct extent_position epos;
        int8_t etype = -1;
 
-       if (first_block < 0 || first_block >= UDF_SB_PARTLEN(sb, partition))
+       if (first_block < 0 || first_block >= sbi->s_partmaps[partition].s_partition_len)
                return 0;
 
        if (UDF_I_ALLOCTYPE(table) == ICBTAG_FLAG_AD_SHORT)
 
        brelse(epos.bh);
 
-       if (alloc_count && UDF_SB_LVIDBH(sb)) {
-               UDF_SB_LVID(sb)->freeSpaceTable[partition] =
-                       cpu_to_le32(le32_to_cpu(UDF_SB_LVID(sb)->freeSpaceTable[partition]) - alloc_count);
-               mark_buffer_dirty(UDF_SB_LVIDBH(sb));
+       if (alloc_count && sbi->s_lvid_bh) {
+               struct logicalVolIntegrityDesc *lvid = (struct logicalVolIntegrityDesc *)sbi->s_lvid_bh->b_data;
+               lvid->freeSpaceTable[partition] =
+                       cpu_to_le32(le32_to_cpu(lvid->freeSpaceTable[partition]) - alloc_count);
+               mark_buffer_dirty(sbi->s_lvid_bh);
                sb->s_dirt = 1;
        }
        mutex_unlock(&sbi->s_alloc_mutex);
                return newblock;
 
        mutex_lock(&sbi->s_alloc_mutex);
-       if (goal < 0 || goal >= UDF_SB_PARTLEN(sb, partition))
+       if (goal < 0 || goal >= sbi->s_partmaps[partition].s_partition_len)
                goal = 0;
 
        /* We search for the closest matching block to goal. If we find a exact hit,
                udf_delete_aext(table, goal_epos, goal_eloc, goal_elen);
        brelse(goal_epos.bh);
 
-       if (UDF_SB_LVIDBH(sb)) {
-               UDF_SB_LVID(sb)->freeSpaceTable[partition] =
-                       cpu_to_le32(le32_to_cpu(UDF_SB_LVID(sb)->freeSpaceTable[partition]) - 1);
-               mark_buffer_dirty(UDF_SB_LVIDBH(sb));
+       if (sbi->s_lvid_bh) {
+               struct logicalVolIntegrityDesc *lvid = (struct logicalVolIntegrityDesc *)sbi->s_lvid_bh->b_data;
+               lvid->freeSpaceTable[partition] =
+                       cpu_to_le32(le32_to_cpu(lvid->freeSpaceTable[partition]) - 1);
+               mark_buffer_dirty(sbi->s_lvid_bh);
        }
 
        sb->s_dirt = 1;
                            uint32_t count)
 {
        uint16_t partition = bloc.partitionReferenceNum;
+       struct udf_part_map *map = &UDF_SB(sb)->s_partmaps[partition];
 
-       if (UDF_SB_PARTFLAGS(sb, partition) & UDF_PART_FLAG_UNALLOC_BITMAP) {
+       if (map->s_partition_flags & UDF_PART_FLAG_UNALLOC_BITMAP) {
                return udf_bitmap_free_blocks(sb, inode,
-                                             UDF_SB_PARTMAPS(sb)[partition].s_uspace.s_bitmap,
+                                             map->s_uspace.s_bitmap,
                                              bloc, offset, count);
-       } else if (UDF_SB_PARTFLAGS(sb, partition) & UDF_PART_FLAG_UNALLOC_TABLE) {
+       } else if (map->s_partition_flags & UDF_PART_FLAG_UNALLOC_TABLE) {
                return udf_table_free_blocks(sb, inode,
-                                            UDF_SB_PARTMAPS(sb)[partition].s_uspace.s_table,
+                                            map->s_uspace.s_table,
                                             bloc, offset, count);
-       } else if (UDF_SB_PARTFLAGS(sb, partition) & UDF_PART_FLAG_FREED_BITMAP) {
+       } else if (map->s_partition_flags & UDF_PART_FLAG_FREED_BITMAP) {
                return udf_bitmap_free_blocks(sb, inode,
-                                             UDF_SB_PARTMAPS(sb)[partition].s_fspace.s_bitmap,
+                                             map->s_fspace.s_bitmap,
                                              bloc, offset, count);
-       } else if (UDF_SB_PARTFLAGS(sb, partition) & UDF_PART_FLAG_FREED_TABLE) {
+       } else if (map->s_partition_flags & UDF_PART_FLAG_FREED_TABLE) {
                return udf_table_free_blocks(sb, inode,
-                                            UDF_SB_PARTMAPS(sb)[partition].s_fspace.s_table,
+                                            map->s_fspace.s_table,
                                             bloc, offset, count);
        } else {
                return;
                               uint16_t partition, uint32_t first_block,
                               uint32_t block_count)
 {
-       if (UDF_SB_PARTFLAGS(sb, partition) & UDF_PART_FLAG_UNALLOC_BITMAP) {
+       struct udf_part_map *map = &UDF_SB(sb)->s_partmaps[partition];
+
+       if (map->s_partition_flags & UDF_PART_FLAG_UNALLOC_BITMAP) {
                return udf_bitmap_prealloc_blocks(sb, inode,
-                                                 UDF_SB_PARTMAPS(sb)[partition].s_uspace.s_bitmap,
+                                                 map->s_uspace.s_bitmap,
                                                  partition, first_block, block_count);
-       } else if (UDF_SB_PARTFLAGS(sb, partition) & UDF_PART_FLAG_UNALLOC_TABLE) {
+       } else if (map->s_partition_flags & UDF_PART_FLAG_UNALLOC_TABLE) {
                return udf_table_prealloc_blocks(sb, inode,
-                                                UDF_SB_PARTMAPS(sb)[partition].s_uspace.s_table,
+                                                map->s_uspace.s_table,
                                                 partition, first_block, block_count);
-       } else if (UDF_SB_PARTFLAGS(sb, partition) & UDF_PART_FLAG_FREED_BITMAP) {
+       } else if (map->s_partition_flags & UDF_PART_FLAG_FREED_BITMAP) {
                return udf_bitmap_prealloc_blocks(sb, inode,
-                                                 UDF_SB_PARTMAPS(sb)[partition].s_fspace.s_bitmap,
+                                                 map->s_fspace.s_bitmap,
                                                  partition, first_block, block_count);
-       } else if (UDF_SB_PARTFLAGS(sb, partition) & UDF_PART_FLAG_FREED_TABLE) {
+       } else if (map->s_partition_flags & UDF_PART_FLAG_FREED_TABLE) {
                return udf_table_prealloc_blocks(sb, inode,
-                                                UDF_SB_PARTMAPS(sb)[partition].s_fspace.s_table,
+                                                map->s_fspace.s_table,
                                                 partition, first_block, block_count);
        } else {
                return 0;
                         uint16_t partition, uint32_t goal, int *err)
 {
        int ret;
+       struct udf_part_map *map = &UDF_SB(sb)->s_partmaps[partition];
 
-       if (UDF_SB_PARTFLAGS(sb, partition) & UDF_PART_FLAG_UNALLOC_BITMAP) {
+       if (map->s_partition_flags & UDF_PART_FLAG_UNALLOC_BITMAP) {
                ret = udf_bitmap_new_block(sb, inode,
-                                          UDF_SB_PARTMAPS(sb)[partition].s_uspace.s_bitmap,
+                                          map->s_uspace.s_bitmap,
                                           partition, goal, err);
                return ret;
-       } else if (UDF_SB_PARTFLAGS(sb, partition) & UDF_PART_FLAG_UNALLOC_TABLE) {
+       } else if (map->s_partition_flags & UDF_PART_FLAG_UNALLOC_TABLE) {
                return udf_table_new_block(sb, inode,
-                                          UDF_SB_PARTMAPS(sb)[partition].s_uspace.s_table,
+                                          map->s_uspace.s_table,
                                           partition, goal, err);
-       } else if (UDF_SB_PARTFLAGS(sb, partition) & UDF_PART_FLAG_FREED_BITMAP) {
+       } else if (map->s_partition_flags & UDF_PART_FLAG_FREED_BITMAP) {
                return udf_bitmap_new_block(sb, inode,
-                                           UDF_SB_PARTMAPS(sb)[partition].s_fspace.s_bitmap,
+                                           map->s_fspace.s_bitmap,
                                            partition, goal, err);
-       } else if (UDF_SB_PARTFLAGS(sb, partition) & UDF_PART_FLAG_FREED_TABLE) {
+       } else if (map->s_partition_flags & UDF_PART_FLAG_FREED_TABLE) {
                return udf_table_new_block(sb, inode,
-                                          UDF_SB_PARTMAPS(sb)[partition].s_fspace.s_table,
+                                          map->s_fspace.s_table,
                                           partition, goal, err);
        } else {
                *err = -EIO;
 
 static unsigned int udf_count_free(struct super_block *);
 static int udf_statfs(struct dentry *, struct kstatfs *);
 
+struct logicalVolIntegrityDescImpUse *udf_sb_lvidiu(struct udf_sb_info *sbi)
+{
+       struct logicalVolIntegrityDesc *lvid = (struct logicalVolIntegrityDesc *)sbi->s_lvid_bh->b_data;
+       __u32 number_of_partitions = le32_to_cpu(lvid->numOfPartitions);
+       __u32 offset = number_of_partitions * 2 * sizeof(uint32_t)/sizeof(uint8_t);
+       return (struct logicalVolIntegrityDescImpUse *)&(lvid->impUse[offset]);
+}
+
 /* UDF filesystem type */
 static int udf_get_sb(struct file_system_type *fs_type,
                      int flags, const char *dev_name, void *data,
 static int udf_remount_fs(struct super_block *sb, int *flags, char *options)
 {
        struct udf_options uopt;
+       struct udf_sb_info *sbi = UDF_SB(sb);
 
-       uopt.flags = UDF_SB(sb)->s_flags;
-       uopt.uid   = UDF_SB(sb)->s_uid;
-       uopt.gid   = UDF_SB(sb)->s_gid;
-       uopt.umask = UDF_SB(sb)->s_umask;
+       uopt.flags = sbi->s_flags;
+       uopt.uid   = sbi->s_uid;
+       uopt.gid   = sbi->s_gid;
+       uopt.umask = sbi->s_umask;
 
        if (!udf_parse_options(options, &uopt))
                return -EINVAL;
 
-       UDF_SB(sb)->s_flags = uopt.flags;
-       UDF_SB(sb)->s_uid   = uopt.uid;
-       UDF_SB(sb)->s_gid   = uopt.gid;
-       UDF_SB(sb)->s_umask = uopt.umask;
+       sbi->s_flags = uopt.flags;
+       sbi->s_uid   = uopt.uid;
+       sbi->s_gid   = uopt.gid;
+       sbi->s_umask = uopt.umask;
 
-       if (UDF_SB_LVIDBH(sb)) {
-               int write_rev = le16_to_cpu(UDF_SB_LVIDIU(sb)->minUDFWriteRev);
+       if (sbi->s_lvid_bh) {
+               int write_rev = le16_to_cpu(udf_sb_lvidiu(sbi)->minUDFWriteRev);
                if (write_rev > UDF_MAX_WRITE_VERSION)
                        *flags |= MS_RDONLY;
        }
        int iso9660 = 0;
        int nsr02 = 0;
        int nsr03 = 0;
+       struct udf_sb_info *sbi;
 
        /* Block size must be a multiple of 512 */
        if (sb->s_blocksize & 511)
                return 0;
+       sbi = UDF_SB(sb);
 
        if (sb->s_blocksize < sizeof(struct volStructDesc))
                sectorsize = sizeof(struct volStructDesc);
        else
                sectorsize = sb->s_blocksize;
 
-       sector += (UDF_SB_SESSION(sb) << sb->s_blocksize_bits);
+       sector += (sbi->s_session << sb->s_blocksize_bits);
 
        udf_debug("Starting at sector %u (%ld byte sectors)\n",
                  (sector >> sb->s_blocksize_bits), sb->s_blocksize);
                return nsr03;
        else if (nsr02)
                return nsr02;
-       else if (sector - (UDF_SB_SESSION(sb) << sb->s_blocksize_bits) == 32768)
+       else if (sector - (sbi->s_session << sb->s_blocksize_bits) == 32768)
                return -1;
        else
                return 0;
  */
 static void udf_find_anchor(struct super_block *sb)
 {
-       int lastblock = UDF_SB_LASTBLOCK(sb);
+       int lastblock;
        struct buffer_head *bh = NULL;
        uint16_t ident;
        uint32_t location;
        int i;
+       struct udf_sb_info *sbi;
+
+       sbi = UDF_SB(sb);
+       lastblock = sbi->s_last_block;
 
        if (lastblock) {
                int varlastblock = udf_variable_to_fixed(lastblock);
                        }
 
                        if (ident == TAG_IDENT_AVDP) {
-                               if (location == last[i] - UDF_SB_SESSION(sb)) {
-                                       lastblock = last[i] - UDF_SB_SESSION(sb);
-                                       UDF_SB_ANCHOR(sb)[0] = lastblock;
-                                       UDF_SB_ANCHOR(sb)[1] = lastblock - 256;
-                               } else if (location == udf_variable_to_fixed(last[i]) - UDF_SB_SESSION(sb)) {
+                               if (location == last[i] - sbi->s_session) {
+                                       lastblock = last[i] - sbi->s_session;
+                                       sbi->s_anchor[0] = lastblock;
+                                       sbi->s_anchor[1] = lastblock - 256;
+                               } else if (location == udf_variable_to_fixed(last[i]) - sbi->s_session) {
                                        UDF_SET_FLAG(sb, UDF_FLAG_VARCONV);
-                                       lastblock = udf_variable_to_fixed(last[i]) - UDF_SB_SESSION(sb);
-                                       UDF_SB_ANCHOR(sb)[0] = lastblock;
-                                       UDF_SB_ANCHOR(sb)[1] = lastblock - 256 - UDF_SB_SESSION(sb);
+                                       lastblock = udf_variable_to_fixed(last[i]) - sbi->s_session;
+                                       sbi->s_anchor[0] = lastblock;
+                                       sbi->s_anchor[1] = lastblock - 256 - sbi->s_session;
                                } else {
                                        udf_debug("Anchor found at block %d, location mismatch %d.\n",
                                                  last[i], location);
                                }
                        } else if (ident == TAG_IDENT_FE || ident == TAG_IDENT_EFE) {
                                lastblock = last[i];
-                               UDF_SB_ANCHOR(sb)[3] = 512;
+                               sbi->s_anchor[3] = 512;
                        } else {
                                ident = location = 0;
                                if (last[i] >= 256) {
                                }
 
                                if (ident == TAG_IDENT_AVDP &&
-                                   location == last[i] - 256 - UDF_SB_SESSION(sb)) {
+                                   location == last[i] - 256 - sbi->s_session) {
                                        lastblock = last[i];
-                                       UDF_SB_ANCHOR(sb)[1] = last[i] - 256;
+                                       sbi->s_anchor[1] = last[i] - 256;
                                } else {
                                        ident = location = 0;
-                                       if (last[i] >= 312 + UDF_SB_SESSION(sb)) {
-                                               bh = sb_bread(sb, last[i] - 312 - UDF_SB_SESSION(sb));
+                                       if (last[i] >= 312 + sbi->s_session) {
+                                               bh = sb_bread(sb, last[i] - 312 - sbi->s_session);
                                                if (bh) {
                                                        tag *t = (tag *)bh->b_data;
                                                        ident = le16_to_cpu(t->tagIdent);
                                            location == udf_variable_to_fixed(last[i]) - 256) {
                                                UDF_SET_FLAG(sb, UDF_FLAG_VARCONV);
                                                lastblock = udf_variable_to_fixed(last[i]);
-                                               UDF_SB_ANCHOR(sb)[1] = lastblock - 256;
+                                               sbi->s_anchor[1] = lastblock - 256;
                                        }
                                }
                        }
 
        if (!lastblock) {
                /* We haven't found the lastblock. check 312 */
-               bh = sb_bread(sb, 312 + UDF_SB_SESSION(sb));
+               bh = sb_bread(sb, 312 + sbi->s_session);
                if (bh) {
                        tag *t = (tag *)bh->b_data;
                        ident = le16_to_cpu(t->tagIdent);
                }
        }
 
-       for (i = 0; i < ARRAY_SIZE(UDF_SB_ANCHOR(sb)); i++) {
-               if (UDF_SB_ANCHOR(sb)[i]) {
-                       bh = udf_read_tagged(sb, UDF_SB_ANCHOR(sb)[i],
-                                            UDF_SB_ANCHOR(sb)[i], &ident);
+       for (i = 0; i < ARRAY_SIZE(sbi->s_anchor); i++) {
+               if (sbi->s_anchor[i]) {
+                       bh = udf_read_tagged(sb, sbi->s_anchor[i],
+                                            sbi->s_anchor[i], &ident);
                        if (!bh)
-                               UDF_SB_ANCHOR(sb)[i] = 0;
+                               sbi->s_anchor[i] = 0;
                        else {
                                brelse(bh);
                                if ((ident != TAG_IDENT_AVDP) &&
                                    (i || (ident != TAG_IDENT_FE && ident != TAG_IDENT_EFE)))
-                                       UDF_SB_ANCHOR(sb)[i] = 0;
+                                       sbi->s_anchor[i] = 0;
                        }
                }
        }
 
-       UDF_SB_LASTBLOCK(sb) = lastblock;
+       sbi->s_last_block = lastblock;
 }
 
 static int udf_find_fileset(struct super_block *sb,
        struct buffer_head *bh = NULL;
        long lastblock;
        uint16_t ident;
+       struct udf_sb_info *sbi;
 
        if (fileset->logicalBlockNum != 0xFFFFFFFF ||
            fileset->partitionReferenceNum != 0xFFFF) {
 
        }
 
+       sbi = UDF_SB(sb);
        if (!bh) {
                /* Search backwards through the partitions */
                kernel_lb_addr newfileset;
 /* --> cvg: FIXME - is it reasonable? */
                return 1;
 
-               for (newfileset.partitionReferenceNum = UDF_SB_NUMPARTS(sb) - 1;
+               for (newfileset.partitionReferenceNum = sbi->s_partitions - 1;
                     (newfileset.partitionReferenceNum != 0xFFFF &&
                      fileset->logicalBlockNum == 0xFFFFFFFF &&
                      fileset->partitionReferenceNum == 0xFFFF);
                     newfileset.partitionReferenceNum--) {
-                       lastblock = UDF_SB_PARTLEN(sb,
-                                       newfileset.partitionReferenceNum);
+                       lastblock = sbi->s_partmaps
+                                       [newfileset.partitionReferenceNum]
+                                               .s_partition_len;
                        newfileset.logicalBlockNum = 0;
 
                        do {
                          fileset->logicalBlockNum,
                          fileset->partitionReferenceNum);
 
-               UDF_SB_PARTITION(sb) = fileset->partitionReferenceNum;
+               sbi->s_partition = fileset->partitionReferenceNum;
                udf_load_fileset(sb, bh, root);
                brelse(bh);
                return 0;
                          recording, recording_usec,
                          ts.year, ts.month, ts.day, ts.hour,
                          ts.minute, ts.typeAndTimezone);
-               UDF_SB_RECORDTIME(sb).tv_sec = recording;
-               UDF_SB_RECORDTIME(sb).tv_nsec = recording_usec * 1000;
+               UDF_SB(sb)->s_record_time.tv_sec = recording;
+               UDF_SB(sb)->s_record_time.tv_nsec = recording_usec * 1000;
        }
 
        if (!udf_build_ustr(&instr, pvoldesc->volIdent, 32)) {
                if (udf_CS0toUTF8(&outstr, &instr)) {
-                       strncpy(UDF_SB_VOLIDENT(sb), outstr.u_name,
+                       strncpy(UDF_SB(sb)->s_volume_ident, outstr.u_name,
                                outstr.u_len > 31 ? 31 : outstr.u_len);
-                       udf_debug("volIdent[] = '%s'\n", UDF_SB_VOLIDENT(sb));
+                       udf_debug("volIdent[] = '%s'\n", UDF_SB(sb)->s_volume_ident);
                }
        }
 
 
        *root = lelb_to_cpu(fset->rootDirectoryICB.extLocation);
 
-       UDF_SB_SERIALNUM(sb) = le16_to_cpu(fset->descTag.tagSerialNum);
+       UDF_SB(sb)->s_serial_number = le16_to_cpu(fset->descTag.tagSerialNum);
 
        udf_debug("Rootdir at block=%d, partition=%d\n",
                  root->logicalBlockNum, root->partitionReferenceNum);
 {
        struct partitionDesc *p;
        int i;
+       struct udf_part_map *map;
+       struct udf_sb_info *sbi;
 
        p = (struct partitionDesc *)bh->b_data;
+       sbi = UDF_SB(sb);
 
-       for (i = 0; i < UDF_SB_NUMPARTS(sb); i++) {
+       for (i = 0; i < sbi->s_partitions; i++) {
+               map = &sbi->s_partmaps[i];
                udf_debug("Searching map: (%d == %d)\n",
-                         UDF_SB_PARTMAPS(sb)[i].s_partition_num, le16_to_cpu(p->partitionNumber));
-               if (UDF_SB_PARTMAPS(sb)[i].s_partition_num == le16_to_cpu(p->partitionNumber)) {
-                       UDF_SB_PARTLEN(sb, i) = le32_to_cpu(p->partitionLength); /* blocks */
-                       UDF_SB_PARTROOT(sb, i) = le32_to_cpu(p->partitionStartingLocation);
+                         map->s_partition_num, le16_to_cpu(p->partitionNumber));
+               if (map->s_partition_num == le16_to_cpu(p->partitionNumber)) {
+                       map->s_partition_len = le32_to_cpu(p->partitionLength); /* blocks */
+                       map->s_partition_root = le32_to_cpu(p->partitionStartingLocation);
                        if (le32_to_cpu(p->accessType) == PD_ACCESS_TYPE_READ_ONLY)
-                               UDF_SB_PARTFLAGS(sb, i) |= UDF_PART_FLAG_READ_ONLY;
+                               map->s_partition_flags |= UDF_PART_FLAG_READ_ONLY;
                        if (le32_to_cpu(p->accessType) == PD_ACCESS_TYPE_WRITE_ONCE)
-                               UDF_SB_PARTFLAGS(sb, i) |= UDF_PART_FLAG_WRITE_ONCE;
+                               map->s_partition_flags |= UDF_PART_FLAG_WRITE_ONCE;
                        if (le32_to_cpu(p->accessType) == PD_ACCESS_TYPE_REWRITABLE)
-                               UDF_SB_PARTFLAGS(sb, i) |= UDF_PART_FLAG_REWRITABLE;
+                               map->s_partition_flags |= UDF_PART_FLAG_REWRITABLE;
                        if (le32_to_cpu(p->accessType) == PD_ACCESS_TYPE_OVERWRITABLE)
-                               UDF_SB_PARTFLAGS(sb, i) |= UDF_PART_FLAG_OVERWRITABLE;
+                               map->s_partition_flags |= UDF_PART_FLAG_OVERWRITABLE;
 
                        if (!strcmp(p->partitionContents.ident,
                                    PD_PARTITION_CONTENTS_NSR02) ||
                                                .partitionReferenceNum = i,
                                        };
 
-                                       UDF_SB_PARTMAPS(sb)[i].s_uspace.s_table =
+                                       map->s_uspace.s_table =
                                                udf_iget(sb, loc);
-                                       if (!UDF_SB_PARTMAPS(sb)[i].s_uspace.s_table) {
+                                       if (!map->s_uspace.s_table) {
                                                udf_debug("cannot load unallocSpaceTable (part %d)\n", i);
                                                return 1;
                                        }
-                                       UDF_SB_PARTFLAGS(sb, i) |= UDF_PART_FLAG_UNALLOC_TABLE;
+                                       map->s_partition_flags |= UDF_PART_FLAG_UNALLOC_TABLE;
                                        udf_debug("unallocSpaceTable (part %d) @ %ld\n",
-                                                 i, UDF_SB_PARTMAPS(sb)[i].s_uspace.s_table->i_ino);
+                                                 i, map->s_uspace.s_table->i_ino);
                                }
                                if (phd->unallocSpaceBitmap.extLength) {
                                        UDF_SB_ALLOC_BITMAP(sb, i, s_uspace);
-                                       if (UDF_SB_PARTMAPS(sb)[i].s_uspace.s_bitmap != NULL) {
-                                               UDF_SB_PARTMAPS(sb)[i].s_uspace.s_bitmap->s_extLength =
+                                       if (map->s_uspace.s_bitmap != NULL) {
+                                               map->s_uspace.s_bitmap->s_extLength =
                                                        le32_to_cpu(phd->unallocSpaceBitmap.extLength);
-                                               UDF_SB_PARTMAPS(sb)[i].s_uspace.s_bitmap->s_extPosition =
+                                               map->s_uspace.s_bitmap->s_extPosition =
                                                        le32_to_cpu(phd->unallocSpaceBitmap.extPosition);
-                                               UDF_SB_PARTFLAGS(sb, i) |= UDF_PART_FLAG_UNALLOC_BITMAP;
+                                               map->s_partition_flags |= UDF_PART_FLAG_UNALLOC_BITMAP;
                                                udf_debug("unallocSpaceBitmap (part %d) @ %d\n",
-                                                         i, UDF_SB_PARTMAPS(sb)[i].s_uspace.s_bitmap->s_extPosition);
+                                                         i, map->s_uspace.s_bitmap->s_extPosition);
                                        }
                                }
                                if (phd->partitionIntegrityTable.extLength)
                                                .partitionReferenceNum = i,
                                        };
 
-                                       UDF_SB_PARTMAPS(sb)[i].s_fspace.s_table =
+                                       map->s_fspace.s_table =
                                                udf_iget(sb, loc);
-                                       if (!UDF_SB_PARTMAPS(sb)[i].s_fspace.s_table) {
+                                       if (!map->s_fspace.s_table) {
                                                udf_debug("cannot load freedSpaceTable (part %d)\n", i);
                                                return 1;
                                        }
-                                       UDF_SB_PARTFLAGS(sb, i) |= UDF_PART_FLAG_FREED_TABLE;
+                                       map->s_partition_flags |= UDF_PART_FLAG_FREED_TABLE;
                                        udf_debug("freedSpaceTable (part %d) @ %ld\n",
-                                                 i, UDF_SB_PARTMAPS(sb)[i].s_fspace.s_table->i_ino);
+                                                 i, map->s_fspace.s_table->i_ino);
                                }
                                if (phd->freedSpaceBitmap.extLength) {
                                        UDF_SB_ALLOC_BITMAP(sb, i, s_fspace);
-                                       if (UDF_SB_PARTMAPS(sb)[i].s_fspace.s_bitmap != NULL) {
-                                               UDF_SB_PARTMAPS(sb)[i].s_fspace.s_bitmap->s_extLength =
+                                       if (map->s_fspace.s_bitmap != NULL) {
+                                               map->s_fspace.s_bitmap->s_extLength =
                                                        le32_to_cpu(phd->freedSpaceBitmap.extLength);
-                                               UDF_SB_PARTMAPS(sb)[i].s_fspace.s_bitmap->s_extPosition =
+                                               map->s_fspace.s_bitmap->s_extPosition =
                                                        le32_to_cpu(phd->freedSpaceBitmap.extPosition);
-                                               UDF_SB_PARTFLAGS(sb, i) |= UDF_PART_FLAG_FREED_BITMAP;
+                                               map->s_partition_flags |= UDF_PART_FLAG_FREED_BITMAP;
                                                udf_debug("freedSpaceBitmap (part %d) @ %d\n",
-                                                         i, UDF_SB_PARTMAPS(sb)[i].s_fspace.s_bitmap->s_extPosition);
+                                                         i, map->s_fspace.s_bitmap->s_extPosition);
                                        }
                                }
                        }
                        break;
                }
        }
-       if (i == UDF_SB_NUMPARTS(sb)) {
+       if (i == sbi->s_partitions) {
                udf_debug("Partition (%d) not found in partition map\n",
                          le16_to_cpu(p->partitionNumber));
        } else {
                udf_debug("Partition (%d:%d type %x) starts at physical %d, "
                          "block length %d\n",
                          le16_to_cpu(p->partitionNumber), i,
-                         UDF_SB_PARTTYPE(sb, i), UDF_SB_PARTROOT(sb, i),
-                         UDF_SB_PARTLEN(sb, i));
+                         map->s_partition_type,
+                         map->s_partition_root,
+                         map->s_partition_len);
        }
        return 0;
 }
        struct logicalVolDesc *lvd;
        int i, j, offset;
        uint8_t type;
+       struct udf_sb_info *sbi = UDF_SB(sb);
 
        lvd = (struct logicalVolDesc *)bh->b_data;
 
        UDF_SB_ALLOC_PARTMAPS(sb, le32_to_cpu(lvd->numPartitionMaps));
 
        for (i = 0, offset = 0;
-            i < UDF_SB_NUMPARTS(sb) && offset < le32_to_cpu(lvd->mapTableLength);
+            i < sbi->s_partitions && offset < le32_to_cpu(lvd->mapTableLength);
             i++, offset += ((struct genericPartitionMap *)&(lvd->partitionMaps[offset]))->partitionMapLength) {
+               struct udf_part_map *map = &sbi->s_partmaps[i];
                type = ((struct genericPartitionMap *)&(lvd->partitionMaps[offset]))->partitionMapType;
                if (type == 1) {
                        struct genericPartitionMap1 *gpm1 = (struct genericPartitionMap1 *)&(lvd->partitionMaps[offset]);
-                       UDF_SB_PARTTYPE(sb, i) = UDF_TYPE1_MAP15;
-                       UDF_SB_PARTVSN(sb, i) = le16_to_cpu(gpm1->volSeqNum);
-                       UDF_SB_PARTNUM(sb, i) = le16_to_cpu(gpm1->partitionNum);
-                       UDF_SB_PARTFUNC(sb, i) = NULL;
+                       map->s_partition_type = UDF_TYPE1_MAP15;
+                       map->s_volumeseqnum = le16_to_cpu(gpm1->volSeqNum);
+                       map->s_partition_num = le16_to_cpu(gpm1->partitionNum);
+                       map->s_partition_func = NULL;
                } else if (type == 2) {
                        struct udfPartitionMap2 *upm2 = (struct udfPartitionMap2 *)&(lvd->partitionMaps[offset]);
                        if (!strncmp(upm2->partIdent.ident, UDF_ID_VIRTUAL, strlen(UDF_ID_VIRTUAL))) {
                                if (le16_to_cpu(((__le16 *)upm2->partIdent.identSuffix)[0]) == 0x0150) {
-                                       UDF_SB_PARTTYPE(sb, i) = UDF_VIRTUAL_MAP15;
-                                       UDF_SB_PARTFUNC(sb, i) = udf_get_pblock_virt15;
+                                       map->s_partition_type = UDF_VIRTUAL_MAP15;
+                                       map->s_partition_func = udf_get_pblock_virt15;
                                } else if (le16_to_cpu(((__le16 *)upm2->partIdent.identSuffix)[0]) == 0x0200) {
-                                       UDF_SB_PARTTYPE(sb, i) = UDF_VIRTUAL_MAP20;
-                                       UDF_SB_PARTFUNC(sb, i) = udf_get_pblock_virt20;
+                                       map->s_partition_type = UDF_VIRTUAL_MAP20;
+                                       map->s_partition_func = udf_get_pblock_virt20;
                                }
                        } else if (!strncmp(upm2->partIdent.ident, UDF_ID_SPARABLE, strlen(UDF_ID_SPARABLE))) {
                                uint32_t loc;
                                struct sparingTable *st;
                                struct sparablePartitionMap *spm = (struct sparablePartitionMap *)&(lvd->partitionMaps[offset]);
 
-                               UDF_SB_PARTTYPE(sb, i) = UDF_SPARABLE_MAP15;
-                               UDF_SB_TYPESPAR(sb, i).s_packet_len = le16_to_cpu(spm->packetLength);
+                               map->s_partition_type = UDF_SPARABLE_MAP15;
+                               map->s_type_specific.s_sparing.s_packet_len = le16_to_cpu(spm->packetLength);
                                for (j = 0; j < spm->numSparingTables; j++) {
                                        loc = le32_to_cpu(spm->locSparingTable[j]);
-                                       UDF_SB_TYPESPAR(sb, i).s_spar_map[j] =
+                                       map->s_type_specific.s_sparing.s_spar_map[j] =
                                                udf_read_tagged(sb, loc, loc, &ident);
-                                       if (UDF_SB_TYPESPAR(sb, i).s_spar_map[j] != NULL) {
-                                               st = (struct sparingTable *)UDF_SB_TYPESPAR(sb, i).s_spar_map[j]->b_data;
+                                       if (map->s_type_specific.s_sparing.s_spar_map[j] != NULL) {
+                                               st = (struct sparingTable *)map->s_type_specific.s_sparing.s_spar_map[j]->b_data;
                                                if (ident != 0 ||
                                                    strncmp(st->sparingIdent.ident, UDF_ID_SPARING, strlen(UDF_ID_SPARING))) {
-                                                       brelse(UDF_SB_TYPESPAR(sb, i).s_spar_map[j]);
-                                                       UDF_SB_TYPESPAR(sb, i).s_spar_map[j] = NULL;
+                                                       brelse(map->s_type_specific.s_sparing.s_spar_map[j]);
+                                                       map->s_type_specific.s_sparing.s_spar_map[j] = NULL;
                                                }
                                        }
                                }
-                               UDF_SB_PARTFUNC(sb, i) = udf_get_pblock_spar15;
+                               map->s_partition_func = udf_get_pblock_spar15;
                        } else {
                                udf_debug("Unknown ident: %s\n",
                                          upm2->partIdent.ident);
                                continue;
                        }
-                       UDF_SB_PARTVSN(sb, i) = le16_to_cpu(upm2->volSeqNum);
-                       UDF_SB_PARTNUM(sb, i) = le16_to_cpu(upm2->partitionNum);
+                       map->s_volumeseqnum = le16_to_cpu(upm2->volSeqNum);
+                       map->s_partition_num = le16_to_cpu(upm2->partitionNum);
                }
                udf_debug("Partition (%d:%d) type %d on volume %d\n",
-                         i, UDF_SB_PARTNUM(sb, i), type,
-                         UDF_SB_PARTVSN(sb, i));
+                         i, map->s_partition_num, type,
+                         map->s_volumeseqnum);
        }
 
        if (fileset) {
 {
        struct buffer_head *bh = NULL;
        uint16_t ident;
+       struct udf_sb_info *sbi = UDF_SB(sb);
+       struct logicalVolIntegrityDesc *lvid;
 
        while (loc.extLength > 0 &&
               (bh = udf_read_tagged(sb, loc.extLocation,
                                     loc.extLocation, &ident)) &&
               ident == TAG_IDENT_LVID) {
-               UDF_SB_LVIDBH(sb) = bh;
+               sbi->s_lvid_bh = bh;
+               lvid = (struct logicalVolIntegrityDesc *)bh->b_data;
 
-               if (UDF_SB_LVID(sb)->nextIntegrityExt.extLength)
+               if (lvid->nextIntegrityExt.extLength)
                        udf_load_logicalvolint(sb,
-                               leea_to_cpu(UDF_SB_LVID(sb)->nextIntegrityExt));
+                               leea_to_cpu(lvid->nextIntegrityExt));
 
-               if (UDF_SB_LVIDBH(sb) != bh)
+               if (sbi->s_lvid_bh != bh)
                        brelse(bh);
                loc.extLength -= sb->s_blocksize;
                loc.extLocation++;
        }
-       if (UDF_SB_LVIDBH(sb) != bh)
+       if (sbi->s_lvid_bh != bh)
                brelse(bh);
 }
 
        else {
                block = udf_vrs(sb, silent);
                if (block == -1) {
+                       struct udf_sb_info *sbi = UDF_SB(sb);
                        udf_debug("Failed to read byte 32768. Assuming open "
                                  "disc. Skipping validity check\n");
-                       if (!UDF_SB_LASTBLOCK(sb))
-                               UDF_SB_LASTBLOCK(sb) = udf_get_last_block(sb);
+                       if (!sbi->s_last_block)
+                               sbi->s_last_block = udf_get_last_block(sb);
                        return 0;
                } else
                        return !block;
        struct buffer_head *bh;
        long main_s, main_e, reserve_s, reserve_e;
        int i, j;
+       struct udf_sb_info *sbi;
 
        if (!sb)
                return 1;
+       sbi = UDF_SB(sb);
 
-       for (i = 0; i < ARRAY_SIZE(UDF_SB_ANCHOR(sb)); i++) {
-               if (UDF_SB_ANCHOR(sb)[i] &&
-                   (bh = udf_read_tagged(sb, UDF_SB_ANCHOR(sb)[i],
-                                         UDF_SB_ANCHOR(sb)[i], &ident))) {
+       for (i = 0; i < ARRAY_SIZE(sbi->s_anchor); i++) {
+               if (sbi->s_anchor[i] &&
+                   (bh = udf_read_tagged(sb, sbi->s_anchor[i],
+                                         sbi->s_anchor[i], &ident))) {
                        anchor = (struct anchorVolDescPtr *)bh->b_data;
 
                        /* Locate the main sequence */
                }
        }
 
-       if (i == ARRAY_SIZE(UDF_SB_ANCHOR(sb))) {
+       if (i == ARRAY_SIZE(sbi->s_anchor)) {
                udf_debug("No Anchor block found\n");
                return 1;
        } else
-               udf_debug("Using anchor in block %d\n", UDF_SB_ANCHOR(sb)[i]);
+               udf_debug("Using anchor in block %d\n", sbi->s_anchor[i]);
 
-       for (i = 0; i < UDF_SB_NUMPARTS(sb); i++) {
+       for (i = 0; i < sbi->s_partitions; i++) {
                kernel_lb_addr uninitialized_var(ino);
-               switch (UDF_SB_PARTTYPE(sb, i)) {
+               struct udf_part_map *map = &sbi->s_partmaps[i];
+               switch (map->s_partition_type) {
                case UDF_VIRTUAL_MAP15:
                case UDF_VIRTUAL_MAP20:
-                       if (!UDF_SB_LASTBLOCK(sb)) {
-                               UDF_SB_LASTBLOCK(sb) = udf_get_last_block(sb);
+                       if (!sbi->s_last_block) {
+                               sbi->s_last_block = udf_get_last_block(sb);
                                udf_find_anchor(sb);
                        }
 
-                       if (!UDF_SB_LASTBLOCK(sb)) {
+                       if (!sbi->s_last_block) {
                                udf_debug("Unable to determine Lastblock (For "
                                          "Virtual Partition)\n");
                                return 1;
                        }
 
-                       for (j = 0; j < UDF_SB_NUMPARTS(sb); j++) {
+                       for (j = 0; j < sbi->s_partitions; j++) {
+                               struct udf_part_map *map2 = &sbi->s_partmaps[j];
                                if (j != i &&
-                                   UDF_SB_PARTVSN(sb, i) == UDF_SB_PARTVSN(sb, j) &&
-                                   UDF_SB_PARTNUM(sb, i) == UDF_SB_PARTNUM(sb, j)) {
+                                   map->s_volumeseqnum == map2->s_volumeseqnum &&
+                                   map->s_partition_num == map2->s_partition_num) {
                                        ino.partitionReferenceNum = j;
-                                       ino.logicalBlockNum = UDF_SB_LASTBLOCK(sb) - UDF_SB_PARTROOT(sb, j);
+                                       ino.logicalBlockNum = sbi->s_last_block - map2->s_partition_root;
                                        break;
                                }
                        }
 
-                       if (j == UDF_SB_NUMPARTS(sb))
+                       if (j == sbi->s_partitions)
                                return 1;
 
-                       UDF_SB_VAT(sb) = udf_iget(sb, ino);
-                       if (!UDF_SB_VAT(sb))
+                       sbi->s_vat_inode = udf_iget(sb, ino);
+                       if (!sbi->s_vat_inode)
                                return 1;
 
-                       if (UDF_SB_PARTTYPE(sb, i) == UDF_VIRTUAL_MAP15) {
-                               UDF_SB_TYPEVIRT(sb, i).s_start_offset =
-                                       udf_ext0_offset(UDF_SB_VAT(sb));
-                               UDF_SB_TYPEVIRT(sb, i).s_num_entries =
-                                       (UDF_SB_VAT(sb)->i_size - 36) >> 2;
-                       } else if (UDF_SB_PARTTYPE(sb, i) == UDF_VIRTUAL_MAP20) {
+                       if (map->s_partition_type == UDF_VIRTUAL_MAP15) {
+                               map->s_type_specific.s_virtual.s_start_offset =
+                                       udf_ext0_offset(sbi->s_vat_inode);
+                               map->s_type_specific.s_virtual.s_num_entries =
+                                       (sbi->s_vat_inode->i_size - 36) >> 2;
+                       } else if (map->s_partition_type == UDF_VIRTUAL_MAP20) {
                                struct buffer_head *bh = NULL;
                                uint32_t pos;
 
-                               pos = udf_block_map(UDF_SB_VAT(sb), 0);
+                               pos = udf_block_map(sbi->s_vat_inode, 0);
                                bh = sb_bread(sb, pos);
                                if (!bh)
                                        return 1;
-                               UDF_SB_TYPEVIRT(sb, i).s_start_offset =
+                               map->s_type_specific.s_virtual.s_start_offset =
                                        le16_to_cpu(((struct virtualAllocationTable20 *)bh->b_data +
-                                                    udf_ext0_offset(UDF_SB_VAT(sb)))->lengthHeader) +
-                                       udf_ext0_offset(UDF_SB_VAT(sb));
-                               UDF_SB_TYPEVIRT(sb, i).s_num_entries = (UDF_SB_VAT(sb)->i_size -
-                                                                       UDF_SB_TYPEVIRT(sb, i).s_start_offset) >> 2;
+                                                    udf_ext0_offset(sbi->s_vat_inode))->lengthHeader) +
+                                       udf_ext0_offset(sbi->s_vat_inode);
+                               map->s_type_specific.s_virtual.s_num_entries = (sbi->s_vat_inode->i_size -
+                                                                       map->s_type_specific.s_virtual.s_start_offset) >> 2;
                                brelse(bh);
                        }
-                       UDF_SB_PARTROOT(sb, i) = udf_get_pblock(sb, 0, i, 0);
-                       UDF_SB_PARTLEN(sb, i) = UDF_SB_PARTLEN(sb, ino.partitionReferenceNum);
+                       map->s_partition_root = udf_get_pblock(sb, 0, i, 0);
+                       map->s_partition_len =
+                               sbi->s_partmaps[ino.partitionReferenceNum].
+                                                               s_partition_len;
                }
        }
        return 0;
 
 static void udf_open_lvid(struct super_block *sb)
 {
-       if (UDF_SB_LVIDBH(sb)) {
+       struct udf_sb_info *sbi = UDF_SB(sb);
+       struct buffer_head *bh = sbi->s_lvid_bh;
+       if (bh) {
                int i;
                kernel_timestamp cpu_time;
+               struct logicalVolIntegrityDesc *lvid = (struct logicalVolIntegrityDesc *)bh->b_data;
+               struct logicalVolIntegrityDescImpUse *lvidiu = udf_sb_lvidiu(sbi);
 
-               UDF_SB_LVIDIU(sb)->impIdent.identSuffix[0] = UDF_OS_CLASS_UNIX;
-               UDF_SB_LVIDIU(sb)->impIdent.identSuffix[1] = UDF_OS_ID_LINUX;
+               lvidiu->impIdent.identSuffix[0] = UDF_OS_CLASS_UNIX;
+               lvidiu->impIdent.identSuffix[1] = UDF_OS_ID_LINUX;
                if (udf_time_to_stamp(&cpu_time, CURRENT_TIME))
-                       UDF_SB_LVID(sb)->recordingDateAndTime = cpu_to_lets(cpu_time);
-               UDF_SB_LVID(sb)->integrityType = LVID_INTEGRITY_TYPE_OPEN;
+                       lvid->recordingDateAndTime = cpu_to_lets(cpu_time);
+               lvid->integrityType = LVID_INTEGRITY_TYPE_OPEN;
 
-               UDF_SB_LVID(sb)->descTag.descCRC = cpu_to_le16(udf_crc((char *)UDF_SB_LVID(sb) + sizeof(tag),
-                                                                      le16_to_cpu(UDF_SB_LVID(sb)->descTag.descCRCLength), 0));
+               lvid->descTag.descCRC = cpu_to_le16(udf_crc((char *)lvid + sizeof(tag),
+                                                                      le16_to_cpu(lvid->descTag.descCRCLength), 0));
 
-               UDF_SB_LVID(sb)->descTag.tagChecksum = 0;
+               lvid->descTag.tagChecksum = 0;
                for (i = 0; i < 16; i++)
                        if (i != 4)
-                               UDF_SB_LVID(sb)->descTag.tagChecksum +=
-                                       ((uint8_t *) &(UDF_SB_LVID(sb)->descTag))[i];
+                               lvid->descTag.tagChecksum +=
+                                       ((uint8_t *) &(lvid->descTag))[i];
 
-               mark_buffer_dirty(UDF_SB_LVIDBH(sb));
+               mark_buffer_dirty(bh);
        }
 }
 
 {
        kernel_timestamp cpu_time;
        int i;
+       struct udf_sb_info *sbi = UDF_SB(sb);
+       struct buffer_head *bh = sbi->s_lvid_bh;
+       struct logicalVolIntegrityDesc *lvid;
 
-       if (UDF_SB_LVIDBH(sb) &&
-           UDF_SB_LVID(sb)->integrityType == LVID_INTEGRITY_TYPE_OPEN) {
-               UDF_SB_LVIDIU(sb)->impIdent.identSuffix[0] = UDF_OS_CLASS_UNIX;
-               UDF_SB_LVIDIU(sb)->impIdent.identSuffix[1] = UDF_OS_ID_LINUX;
+       if (!bh)
+               return;
+
+       lvid = (struct logicalVolIntegrityDesc *)bh->b_data;
+
+       if (lvid->integrityType == LVID_INTEGRITY_TYPE_OPEN) {
+               struct logicalVolIntegrityDescImpUse *lvidiu = udf_sb_lvidiu(sbi);
+               lvidiu->impIdent.identSuffix[0] = UDF_OS_CLASS_UNIX;
+               lvidiu->impIdent.identSuffix[1] = UDF_OS_ID_LINUX;
                if (udf_time_to_stamp(&cpu_time, CURRENT_TIME))
-                       UDF_SB_LVID(sb)->recordingDateAndTime = cpu_to_lets(cpu_time);
-               if (UDF_MAX_WRITE_VERSION > le16_to_cpu(UDF_SB_LVIDIU(sb)->maxUDFWriteRev))
-                       UDF_SB_LVIDIU(sb)->maxUDFWriteRev = cpu_to_le16(UDF_MAX_WRITE_VERSION);
-               if (UDF_SB_UDFREV(sb) > le16_to_cpu(UDF_SB_LVIDIU(sb)->minUDFReadRev))
-                       UDF_SB_LVIDIU(sb)->minUDFReadRev = cpu_to_le16(UDF_SB_UDFREV(sb));
-               if (UDF_SB_UDFREV(sb) > le16_to_cpu(UDF_SB_LVIDIU(sb)->minUDFWriteRev))
-                       UDF_SB_LVIDIU(sb)->minUDFWriteRev = cpu_to_le16(UDF_SB_UDFREV(sb));
-               UDF_SB_LVID(sb)->integrityType = cpu_to_le32(LVID_INTEGRITY_TYPE_CLOSE);
-
-               UDF_SB_LVID(sb)->descTag.descCRC =
-                       cpu_to_le16(udf_crc((char *)UDF_SB_LVID(sb) + sizeof(tag),
-                                           le16_to_cpu(UDF_SB_LVID(sb)->descTag.descCRCLength), 0));
-
-               UDF_SB_LVID(sb)->descTag.tagChecksum = 0;
+                       lvid->recordingDateAndTime = cpu_to_lets(cpu_time);
+               if (UDF_MAX_WRITE_VERSION > le16_to_cpu(lvidiu->maxUDFWriteRev))
+                       lvidiu->maxUDFWriteRev = cpu_to_le16(UDF_MAX_WRITE_VERSION);
+               if (sbi->s_udfrev > le16_to_cpu(lvidiu->minUDFReadRev))
+                       lvidiu->minUDFReadRev = cpu_to_le16(sbi->s_udfrev);
+               if (sbi->s_udfrev > le16_to_cpu(lvidiu->minUDFWriteRev))
+                       lvidiu->minUDFWriteRev = cpu_to_le16(sbi->s_udfrev);
+               lvid->integrityType = cpu_to_le32(LVID_INTEGRITY_TYPE_CLOSE);
+
+               lvid->descTag.descCRC =
+                       cpu_to_le16(udf_crc((char *)lvid + sizeof(tag),
+                                           le16_to_cpu(lvid->descTag.descCRCLength), 0));
+
+               lvid->descTag.tagChecksum = 0;
                for (i = 0; i < 16; i++)
                        if (i != 4)
-                               UDF_SB_LVID(sb)->descTag.tagChecksum +=
-                                       ((uint8_t *)&(UDF_SB_LVID(sb)->descTag))[i];
+                               lvid->descTag.tagChecksum +=
+                                       ((uint8_t *)&(lvid->descTag))[i];
 
-               mark_buffer_dirty(UDF_SB_LVIDBH(sb));
+               mark_buffer_dirty(bh);
        }
 }
 
        uopt.gid = -1;
        uopt.umask = 0;
 
-       sbi = kmalloc(sizeof(struct udf_sb_info), GFP_KERNEL);
+       sbi = kzalloc(sizeof(struct udf_sb_info), GFP_KERNEL);
        if (!sbi)
                return -ENOMEM;
 
        sb->s_fs_info = sbi;
-       memset(UDF_SB(sb), 0x00, sizeof(struct udf_sb_info));
 
        mutex_init(&sbi->s_alloc_mutex);
 
        fileset.logicalBlockNum = 0xFFFFFFFF;
        fileset.partitionReferenceNum = 0xFFFF;
 
-       UDF_SB(sb)->s_flags = uopt.flags;
-       UDF_SB(sb)->s_uid = uopt.uid;
-       UDF_SB(sb)->s_gid = uopt.gid;
-       UDF_SB(sb)->s_umask = uopt.umask;
-       UDF_SB(sb)->s_nls_map = uopt.nls_map;
+       sbi->s_flags = uopt.flags;
+       sbi->s_uid = uopt.uid;
+       sbi->s_gid = uopt.gid;
+       sbi->s_umask = uopt.umask;
+       sbi->s_nls_map = uopt.nls_map;
 
        /* Set the block size for all transfers */
        if (!udf_set_blocksize(sb, uopt.blocksize))
                goto error_out;
 
        if (uopt.session == 0xFFFFFFFF)
-               UDF_SB_SESSION(sb) = udf_get_last_session(sb);
+               sbi->s_session = udf_get_last_session(sb);
        else
-               UDF_SB_SESSION(sb) = uopt.session;
+               sbi->s_session = uopt.session;
 
-       udf_debug("Multi-session=%d\n", UDF_SB_SESSION(sb));
+       udf_debug("Multi-session=%d\n", sbi->s_session);
 
-       UDF_SB_LASTBLOCK(sb) = uopt.lastblock;
-       UDF_SB_ANCHOR(sb)[0] = UDF_SB_ANCHOR(sb)[1] = 0;
-       UDF_SB_ANCHOR(sb)[2] = uopt.anchor;
-       UDF_SB_ANCHOR(sb)[3] = 256;
+       sbi->s_last_block = uopt.lastblock;
+       sbi->s_anchor[0] = sbi->s_anchor[1] = 0;
+       sbi->s_anchor[2] = uopt.anchor;
+       sbi->s_anchor[3] = 256;
 
        if (udf_check_valid(sb, uopt.novrs, silent)) {
                /* read volume recognition sequences */
                goto error_out;
        }
 
-       udf_debug("Lastblock=%d\n", UDF_SB_LASTBLOCK(sb));
+       udf_debug("Lastblock=%d\n", sbi->s_last_block);
 
-       if (UDF_SB_LVIDBH(sb)) {
-               uint16_t minUDFReadRev = le16_to_cpu(UDF_SB_LVIDIU(sb)->minUDFReadRev);
-               uint16_t minUDFWriteRev = le16_to_cpu(UDF_SB_LVIDIU(sb)->minUDFWriteRev);
-               /* uint16_t maxUDFWriteRev = le16_to_cpu(UDF_SB_LVIDIU(sb)->maxUDFWriteRev); */
+       if (sbi->s_lvid_bh) {
+               struct logicalVolIntegrityDescImpUse *lvidiu = udf_sb_lvidiu(sbi);
+               uint16_t minUDFReadRev = le16_to_cpu(lvidiu->minUDFReadRev);
+               uint16_t minUDFWriteRev = le16_to_cpu(lvidiu->minUDFWriteRev);
+               /* uint16_t maxUDFWriteRev = le16_to_cpu(lvidiu->maxUDFWriteRev); */
 
                if (minUDFReadRev > UDF_MAX_READ_VERSION) {
                        printk(KERN_ERR "UDF-fs: minUDFReadRev=%x (max is %x)\n",
-                              le16_to_cpu(UDF_SB_LVIDIU(sb)->minUDFReadRev),
+                              le16_to_cpu(lvidiu->minUDFReadRev),
                               UDF_MAX_READ_VERSION);
                        goto error_out;
                } else if (minUDFWriteRev > UDF_MAX_WRITE_VERSION) {
                        sb->s_flags |= MS_RDONLY;
                }
 
-               UDF_SB_UDFREV(sb) = minUDFWriteRev;
+               sbi->s_udfrev = minUDFWriteRev;
 
                if (minUDFReadRev >= UDF_VERS_USE_EXTENDED_FE)
                        UDF_SET_FLAG(sb, UDF_FLAG_USE_EXTENDED_FE);
                        UDF_SET_FLAG(sb, UDF_FLAG_USE_STREAMS);
        }
 
-       if (!UDF_SB_NUMPARTS(sb)) {
+       if (!sbi->s_partitions) {
                printk(KERN_WARNING "UDF-fs: No partition found (2)\n");
                goto error_out;
        }
 
-       if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) & UDF_PART_FLAG_READ_ONLY) {
+       if (sbi->s_partmaps[sbi->s_partition].s_partition_flags & UDF_PART_FLAG_READ_ONLY) {
                printk(KERN_NOTICE "UDF-fs: Partition marked readonly; forcing readonly mount\n");
                sb->s_flags |= MS_RDONLY;
        }
 
        if (!silent) {
                kernel_timestamp ts;
-               udf_time_to_stamp(&ts, UDF_SB_RECORDTIME(sb));
+               udf_time_to_stamp(&ts, sbi->s_record_time);
                udf_info("UDF %s (%s) Mounting volume '%s', "
                         "timestamp %04u/%02u/%02u %02u:%02u (%x)\n",
                         UDFFS_VERSION, UDFFS_DATE,
-                        UDF_SB_VOLIDENT(sb), ts.year, ts.month, ts.day, ts.hour, ts.minute,
-                        ts.typeAndTimezone);
+                        sbi->s_volume_ident, ts.year, ts.month, ts.day,
+                        ts.hour, ts.minute, ts.typeAndTimezone);
        }
        if (!(sb->s_flags & MS_RDONLY))
                udf_open_lvid(sb);
        return 0;
 
 error_out:
-       if (UDF_SB_VAT(sb))
-               iput(UDF_SB_VAT(sb));
-       if (UDF_SB_NUMPARTS(sb)) {
-               if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) & UDF_PART_FLAG_UNALLOC_TABLE)
-                       iput(UDF_SB_PARTMAPS(sb)[UDF_SB_PARTITION(sb)].s_uspace.s_table);
-               if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) & UDF_PART_FLAG_FREED_TABLE)
-                       iput(UDF_SB_PARTMAPS(sb)[UDF_SB_PARTITION(sb)].s_fspace.s_table);
-               if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) & UDF_PART_FLAG_UNALLOC_BITMAP)
-                       UDF_SB_FREE_BITMAP(sb, UDF_SB_PARTITION(sb), s_uspace);
-               if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) & UDF_PART_FLAG_FREED_BITMAP)
-                       UDF_SB_FREE_BITMAP(sb, UDF_SB_PARTITION(sb), s_fspace);
-               if (UDF_SB_PARTTYPE(sb, UDF_SB_PARTITION(sb)) == UDF_SPARABLE_MAP15) {
+       if (sbi->s_vat_inode)
+               iput(sbi->s_vat_inode);
+       if (sbi->s_partitions) {
+               struct udf_part_map *map = &sbi->s_partmaps[sbi->s_partition];
+               if (map->s_partition_flags & UDF_PART_FLAG_UNALLOC_TABLE)
+                       iput(map->s_uspace.s_table);
+               if (map->s_partition_flags & UDF_PART_FLAG_FREED_TABLE)
+                       iput(map->s_fspace.s_table);
+               if (map->s_partition_flags & UDF_PART_FLAG_UNALLOC_BITMAP)
+                       UDF_SB_FREE_BITMAP(sb, sbi->s_partition, s_uspace);
+               if (map->s_partition_flags & UDF_PART_FLAG_FREED_BITMAP)
+                       UDF_SB_FREE_BITMAP(sb, sbi->s_partition, s_fspace);
+               if (map->s_partition_type == UDF_SPARABLE_MAP15)
                        for (i = 0; i < 4; i++)
-                               brelse(UDF_SB_TYPESPAR(sb, UDF_SB_PARTITION(sb)).s_spar_map[i]);
-               }
+                               brelse(map->s_type_specific.s_sparing.s_spar_map[i]);
        }
 #ifdef CONFIG_UDF_NLS
        if (UDF_QUERY_FLAG(sb, UDF_FLAG_NLS_MAP))
-               unload_nls(UDF_SB(sb)->s_nls_map);
+               unload_nls(sbi->s_nls_map);
 #endif
        if (!(sb->s_flags & MS_RDONLY))
                udf_close_lvid(sb);
-       brelse(UDF_SB_LVIDBH(sb));
-       UDF_SB_FREE(sb);
+       brelse(sbi->s_lvid_bh);
+
+       kfree(sbi->s_partmaps);
        kfree(sbi);
        sb->s_fs_info = NULL;
 
 static void udf_put_super(struct super_block *sb)
 {
        int i;
+       struct udf_sb_info *sbi;
 
-       if (UDF_SB_VAT(sb))
-               iput(UDF_SB_VAT(sb));
-       if (UDF_SB_NUMPARTS(sb)) {
-               if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) & UDF_PART_FLAG_UNALLOC_TABLE)
-                       iput(UDF_SB_PARTMAPS(sb)[UDF_SB_PARTITION(sb)].s_uspace.s_table);
-               if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) & UDF_PART_FLAG_FREED_TABLE)
-                       iput(UDF_SB_PARTMAPS(sb)[UDF_SB_PARTITION(sb)].s_fspace.s_table);
-               if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) & UDF_PART_FLAG_UNALLOC_BITMAP)
-                       UDF_SB_FREE_BITMAP(sb, UDF_SB_PARTITION(sb), s_uspace);
-               if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) & UDF_PART_FLAG_FREED_BITMAP)
-                       UDF_SB_FREE_BITMAP(sb, UDF_SB_PARTITION(sb), s_fspace);
-               if (UDF_SB_PARTTYPE(sb, UDF_SB_PARTITION(sb)) == UDF_SPARABLE_MAP15) {
+       sbi = UDF_SB(sb);
+       if (sbi->s_vat_inode)
+               iput(sbi->s_vat_inode);
+       if (sbi->s_partitions) {
+               struct udf_part_map *map = &sbi->s_partmaps[sbi->s_partition];
+               if (map->s_partition_flags & UDF_PART_FLAG_UNALLOC_TABLE)
+                       iput(map->s_uspace.s_table);
+               if (map->s_partition_flags & UDF_PART_FLAG_FREED_TABLE)
+                       iput(map->s_fspace.s_table);
+               if (map->s_partition_flags & UDF_PART_FLAG_UNALLOC_BITMAP)
+                       UDF_SB_FREE_BITMAP(sb, sbi->s_partition, s_uspace);
+               if (map->s_partition_flags & UDF_PART_FLAG_FREED_BITMAP)
+                       UDF_SB_FREE_BITMAP(sb, sbi->s_partition, s_fspace);
+               if (map->s_partition_type == UDF_SPARABLE_MAP15)
                        for (i = 0; i < 4; i++)
-                               brelse(UDF_SB_TYPESPAR(sb, UDF_SB_PARTITION(sb)).s_spar_map[i]);
-               }
+                               brelse(map->s_type_specific.s_sparing.s_spar_map[i]);
        }
 #ifdef CONFIG_UDF_NLS
        if (UDF_QUERY_FLAG(sb, UDF_FLAG_NLS_MAP))
-               unload_nls(UDF_SB(sb)->s_nls_map);
+               unload_nls(sbi->s_nls_map);
 #endif
        if (!(sb->s_flags & MS_RDONLY))
                udf_close_lvid(sb);
-       brelse(UDF_SB_LVIDBH(sb));
-       UDF_SB_FREE(sb);
+       brelse(sbi->s_lvid_bh);
+       kfree(sbi->s_partmaps);
        kfree(sb->s_fs_info);
        sb->s_fs_info = NULL;
 }
 static int udf_statfs(struct dentry *dentry, struct kstatfs *buf)
 {
        struct super_block *sb = dentry->d_sb;
+       struct udf_sb_info *sbi = UDF_SB(sb);
+       struct logicalVolIntegrityDescImpUse *lvidiu;
+
+       if (sbi->s_lvid_bh != NULL)
+               lvidiu = udf_sb_lvidiu(sbi);
+       else
+               lvidiu = NULL;
 
        buf->f_type = UDF_SUPER_MAGIC;
        buf->f_bsize = sb->s_blocksize;
-       buf->f_blocks = UDF_SB_PARTLEN(sb, UDF_SB_PARTITION(sb));
+       buf->f_blocks = sbi->s_partmaps[sbi->s_partition].s_partition_len;
        buf->f_bfree = udf_count_free(sb);
        buf->f_bavail = buf->f_bfree;
-       buf->f_files = (UDF_SB_LVIDBH(sb) ?
-                       (le32_to_cpu(UDF_SB_LVIDIU(sb)->numFiles) +
-                        le32_to_cpu(UDF_SB_LVIDIU(sb)->numDirs)) : 0) + buf->f_bfree;
+       buf->f_files = (lvidiu != NULL ? (le32_to_cpu(lvidiu->numFiles) +
+                                         le32_to_cpu(lvidiu->numDirs)) : 0)
+                       + buf->f_bfree;
        buf->f_ffree = buf->f_bfree;
        /* __kernel_fsid_t f_fsid */
        buf->f_namelen = UDF_NAME_LEN - 2;
        lock_kernel();
 
        loc.logicalBlockNum = bitmap->s_extPosition;
-       loc.partitionReferenceNum = UDF_SB_PARTITION(sb);
+       loc.partitionReferenceNum = UDF_SB(sb)->s_partition;
        bh = udf_read_ptagged(sb, loc, 0, &ident);
 
        if (!bh) {
 static unsigned int udf_count_free(struct super_block *sb)
 {
        unsigned int accum = 0;
+       struct udf_sb_info *sbi;
+       struct udf_part_map *map;
 
-       if (UDF_SB_LVIDBH(sb)) {
-               if (le32_to_cpu(UDF_SB_LVID(sb)->numOfPartitions) > UDF_SB_PARTITION(sb)) {
-                       accum = le32_to_cpu(UDF_SB_LVID(sb)->freeSpaceTable[UDF_SB_PARTITION(sb)]);
+       sbi = UDF_SB(sb);
+       if (sbi->s_lvid_bh) {
+               struct logicalVolIntegrityDesc *lvid = (struct logicalVolIntegrityDesc *)sbi->s_lvid_bh->b_data;
+               if (le32_to_cpu(lvid->numOfPartitions) > sbi->s_partition) {
+                       accum = le32_to_cpu(lvid->freeSpaceTable[sbi->s_partition]);
                        if (accum == 0xFFFFFFFF)
                                accum = 0;
                }
        if (accum)
                return accum;
 
-       if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) & UDF_PART_FLAG_UNALLOC_BITMAP) {
+       map = &sbi->s_partmaps[sbi->s_partition];
+       if (map->s_partition_flags & UDF_PART_FLAG_UNALLOC_BITMAP) {
                accum += udf_count_free_bitmap(sb,
-                                              UDF_SB_PARTMAPS(sb)[UDF_SB_PARTITION(sb)].s_uspace.s_bitmap);
+                                              map->s_uspace.s_bitmap);
        }
-       if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) & UDF_PART_FLAG_FREED_BITMAP) {
+       if (map->s_partition_flags & UDF_PART_FLAG_FREED_BITMAP) {
                accum += udf_count_free_bitmap(sb,
-                                              UDF_SB_PARTMAPS(sb)[UDF_SB_PARTITION(sb)].s_fspace.s_bitmap);
+                                              map->s_fspace.s_bitmap);
        }
        if (accum)
                return accum;
 
-       if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) & UDF_PART_FLAG_UNALLOC_TABLE) {
+       if (map->s_partition_flags & UDF_PART_FLAG_UNALLOC_TABLE) {
                accum += udf_count_free_table(sb,
-                                             UDF_SB_PARTMAPS(sb)[UDF_SB_PARTITION(sb)].s_uspace.s_table);
+                                             map->s_uspace.s_table);
        }
-       if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) & UDF_PART_FLAG_FREED_TABLE) {
+       if (map->s_partition_flags & UDF_PART_FLAG_FREED_TABLE) {
                accum += udf_count_free_table(sb,
-                                             UDF_SB_PARTMAPS(sb)[UDF_SB_PARTITION(sb)].s_fspace.s_table);
+                                             map->s_fspace.s_table);
        }
 
        return accum;