udf: remove some ugly macros

remove macros:
- UDF_SB_PARTMAPS
- UDF_SB_PARTTYPE
- UDF_SB_PARTROOT
- UDF_SB_PARTLEN
- UDF_SB_PARTVSN
- UDF_SB_PARTNUM
- UDF_SB_TYPESPAR
- UDF_SB_TYPEVIRT
- UDF_SB_PARTFUNC
- UDF_SB_PARTFLAGS
- UDF_SB_VOLIDENT
- UDF_SB_NUMPARTS
- UDF_SB_PARTITION
- UDF_SB_SESSION
- UDF_SB_ANCHOR
- UDF_SB_LASTBLOCK
- UDF_SB_LVIDBH
- UDF_SB_LVID
- UDF_SB_UMASK
- UDF_SB_GID
- UDF_SB_UID
- UDF_SB_RECORDTIME
- UDF_SB_SERIALNUM
- UDF_SB_UDFREV
- UDF_SB_FLAGS
- UDF_SB_VAT
- UDF_UPDATE_UDFREV
- UDF_SB_FREE
and open code them

convert UDF_SB_LVIDIU macro to udf_sb_lvidiu function

rename some struct udf_sb_info fields:
- s_volident to s_volume_ident
- s_lastblock to s_last_block
- s_lvidbh to s_lvid_bh
- s_recordtime to s_record_time
- s_serialnum to s_serial_number;
- s_vat to s_vat_inode;

Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Cc: Ben Fennema <bfennema@falcon.csc.calpoly.edu>
Cc: Jan Kara <jack@suse.cz>
Acked-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

10 files changed, 503 insertions, 436 deletions

diff --git a/fs/udf/balloc.c b/fs/udf/balloc.c
index ab26176f6b91..8c0c27912278 100644
--- a/fs/udf/balloc.c
+++ b/fs/udf/balloc.c
@@ -88,7 +88,7 @@ static int read_block_bitmap(struct super_block *sb,
 	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) {
@@ -155,10 +155,10 @@ static void udf_bitmap_free_blocks(struct super_block *sb,
 
 	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;
 	}
 
@@ -188,9 +188,10 @@ do_more:
 		} 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);
 			}
 		}
 	}
@@ -202,8 +203,8 @@ do_more:
 	}
 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;
 }
@@ -219,16 +220,18 @@ static int udf_bitmap_prealloc_blocks(struct super_block *sb,
 	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);
@@ -261,10 +264,11 @@ repeat:
 	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);
@@ -287,7 +291,7 @@ static int udf_bitmap_new_block(struct super_block *sb,
 	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;
@@ -389,10 +393,11 @@ got_block:
 
 	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);
@@ -421,10 +426,10 @@ static void udf_table_free_blocks(struct super_block *sb,
 
 	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;
 	}
 
@@ -432,10 +437,11 @@ static void udf_table_free_blocks(struct super_block *sb,
 	   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;
@@ -559,7 +565,7 @@ static void udf_table_free_blocks(struct super_block *sb,
 				}
 				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
@@ -627,7 +633,7 @@ static int udf_table_prealloc_blocks(struct super_block *sb,
 	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)
@@ -670,10 +676,11 @@ static int udf_table_prealloc_blocks(struct super_block *sb,
 
 	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);
@@ -703,7 +710,7 @@ static int udf_table_new_block(struct super_block *sb,
 		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,
@@ -771,10 +778,11 @@ static int udf_table_new_block(struct super_block *sb,
 		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;
@@ -789,22 +797,23 @@ inline void udf_free_blocks(struct super_block *sb,
 			    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;
@@ -816,21 +825,23 @@ inline int udf_prealloc_blocks(struct super_block *sb,
 			       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;
@@ -842,23 +853,24 @@ inline int udf_new_block(struct super_block *sb,
 			 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;
diff --git a/fs/udf/file.c b/fs/udf/file.c
index 7c7a1b39d56c..3bd5068877fa 100644
--- a/fs/udf/file.c
+++ b/fs/udf/file.c
@@ -192,7 +192,7 @@ int udf_ioctl(struct inode *inode, struct file *filp, unsigned int cmd,
 	switch (cmd) {
 	case UDF_GETVOLIDENT:
 		return copy_to_user((char __user *)arg,
-				    UDF_SB_VOLIDENT(inode->i_sb), 32) ? -EFAULT : 0;
+				    UDF_SB(inode->i_sb)->s_volume_ident, 32) ? -EFAULT : 0;
 	case UDF_RELOCATE_BLOCKS:
 		if (!capable(CAP_SYS_ADMIN))
 			return -EACCES;
diff --git a/fs/udf/ialloc.c b/fs/udf/ialloc.c
index 636d8f613929..8145e943be61 100644
--- a/fs/udf/ialloc.c
+++ b/fs/udf/ialloc.c
@@ -43,15 +43,17 @@ void udf_free_inode(struct inode *inode)
 	clear_inode(inode);
 
 	mutex_lock(&sbi->s_alloc_mutex);
-	if (sbi->s_lvidbh) {
+	if (sbi->s_lvid_bh) {
+		struct logicalVolIntegrityDescImpUse *lvidiu =
+							udf_sb_lvidiu(sbi);
 		if (S_ISDIR(inode->i_mode))
-			UDF_SB_LVIDIU(sb)->numDirs =
-				cpu_to_le32(le32_to_cpu(UDF_SB_LVIDIU(sb)->numDirs) - 1);
+			lvidiu->numDirs =
+				cpu_to_le32(le32_to_cpu(lvidiu->numDirs) - 1);
 		else
-			UDF_SB_LVIDIU(sb)->numFiles =
-				cpu_to_le32(le32_to_cpu(UDF_SB_LVIDIU(sb)->numFiles) - 1);
+			lvidiu->numFiles =
+				cpu_to_le32(le32_to_cpu(lvidiu->numFiles) - 1);
 
-		mark_buffer_dirty(sbi->s_lvidbh);
+		mark_buffer_dirty(sbi->s_lvid_bh);
 	}
 	mutex_unlock(&sbi->s_alloc_mutex);
 
@@ -88,21 +90,23 @@ struct inode *udf_new_inode(struct inode *dir, int mode, int *err)
 	}
 
 	mutex_lock(&sbi->s_alloc_mutex);
-	if (UDF_SB_LVIDBH(sb)) {
+	if (sbi->s_lvid_bh) {
+		struct logicalVolIntegrityDesc *lvid = (struct logicalVolIntegrityDesc *)sbi->s_lvid_bh->b_data;
+		struct logicalVolIntegrityDescImpUse *lvidiu = udf_sb_lvidiu(sbi);
 		struct logicalVolHeaderDesc *lvhd;
 		uint64_t uniqueID;
-		lvhd = (struct logicalVolHeaderDesc *)(UDF_SB_LVID(sb)->logicalVolContentsUse);
+		lvhd = (struct logicalVolHeaderDesc *)(lvid->logicalVolContentsUse);
 		if (S_ISDIR(mode))
-			UDF_SB_LVIDIU(sb)->numDirs =
-				cpu_to_le32(le32_to_cpu(UDF_SB_LVIDIU(sb)->numDirs) + 1);
+			lvidiu->numDirs =
+				cpu_to_le32(le32_to_cpu(lvidiu->numDirs) + 1);
 		else
-			UDF_SB_LVIDIU(sb)->numFiles =
-				cpu_to_le32(le32_to_cpu(UDF_SB_LVIDIU(sb)->numFiles) + 1);
+			lvidiu->numFiles =
+				cpu_to_le32(le32_to_cpu(lvidiu->numFiles) + 1);
 		UDF_I_UNIQUE(inode) = uniqueID = le64_to_cpu(lvhd->uniqueID);
 		if (!(++uniqueID & 0x00000000FFFFFFFFUL))
 			uniqueID += 16;
 		lvhd->uniqueID = cpu_to_le64(uniqueID);
-		mark_buffer_dirty(UDF_SB_LVIDBH(sb));
+		mark_buffer_dirty(sbi->s_lvid_bh);
 	}
 	inode->i_mode = mode;
 	inode->i_uid = current->fsuid;
@@ -123,7 +127,8 @@ struct inode *udf_new_inode(struct inode *dir, int mode, int *err)
 	UDF_I_USE(inode) = 0;
 	if (UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_USE_EXTENDED_FE)) {
 		UDF_I_EFE(inode) = 1;
-		UDF_UPDATE_UDFREV(inode->i_sb, UDF_VERS_USE_EXTENDED_FE);
+		if (UDF_VERS_USE_EXTENDED_FE > sbi->s_udfrev)
+			sbi->s_udfrev = UDF_VERS_USE_EXTENDED_FE;
 		UDF_I_DATA(inode) = kzalloc(inode->i_sb->s_blocksize - sizeof(struct extendedFileEntry), GFP_KERNEL);
 	} else {
 		UDF_I_EFE(inode) = 0;
diff --git a/fs/udf/inode.c b/fs/udf/inode.c
index 6ff8151984cf..2eb1220e4236 100644
--- a/fs/udf/inode.c
+++ b/fs/udf/inode.c
@@ -1081,6 +1081,7 @@ static void udf_fill_inode(struct inode *inode, struct buffer_head *bh)
 	time_t convtime;
 	long convtime_usec;
 	int offset;
+	struct udf_sb_info *sbi = UDF_SB(inode->i_sb);
 
 	fe = (struct fileEntry *)bh->b_data;
 	efe = (struct extendedFileEntry *)bh->b_data;
@@ -1160,7 +1161,7 @@ static void udf_fill_inode(struct inode *inode, struct buffer_head *bh)
 			inode->i_atime.tv_sec = convtime;
 			inode->i_atime.tv_nsec = convtime_usec * 1000;
 		} else {
-			inode->i_atime = UDF_SB_RECORDTIME(inode->i_sb);
+			inode->i_atime = sbi->s_record_time;
 		}
 
 		if (udf_stamp_to_time(&convtime, &convtime_usec,
@@ -1168,7 +1169,7 @@ static void udf_fill_inode(struct inode *inode, struct buffer_head *bh)
 			inode->i_mtime.tv_sec = convtime;
 			inode->i_mtime.tv_nsec = convtime_usec * 1000;
 		} else {
-			inode->i_mtime = UDF_SB_RECORDTIME(inode->i_sb);
+			inode->i_mtime = sbi->s_record_time;
 		}
 
 		if (udf_stamp_to_time(&convtime, &convtime_usec,
@@ -1176,7 +1177,7 @@ static void udf_fill_inode(struct inode *inode, struct buffer_head *bh)
 			inode->i_ctime.tv_sec = convtime;
 			inode->i_ctime.tv_nsec = convtime_usec * 1000;
 		} else {
-			inode->i_ctime = UDF_SB_RECORDTIME(inode->i_sb);
+			inode->i_ctime = sbi->s_record_time;
 		}
 
 		UDF_I_UNIQUE(inode) = le64_to_cpu(fe->uniqueID);
@@ -1192,7 +1193,7 @@ static void udf_fill_inode(struct inode *inode, struct buffer_head *bh)
 			inode->i_atime.tv_sec = convtime;
 			inode->i_atime.tv_nsec = convtime_usec * 1000;
 		} else {
-			inode->i_atime = UDF_SB_RECORDTIME(inode->i_sb);
+			inode->i_atime = sbi->s_record_time;
 		}
 
 		if (udf_stamp_to_time(&convtime, &convtime_usec,
@@ -1200,7 +1201,7 @@ static void udf_fill_inode(struct inode *inode, struct buffer_head *bh)
 			inode->i_mtime.tv_sec = convtime;
 			inode->i_mtime.tv_nsec = convtime_usec * 1000;
 		} else {
-			inode->i_mtime = UDF_SB_RECORDTIME(inode->i_sb);
+			inode->i_mtime = sbi->s_record_time;
 		}
 
 		if (udf_stamp_to_time(&convtime, &convtime_usec,
@@ -1208,7 +1209,7 @@ static void udf_fill_inode(struct inode *inode, struct buffer_head *bh)
 			UDF_I_CRTIME(inode).tv_sec = convtime;
 			UDF_I_CRTIME(inode).tv_nsec = convtime_usec * 1000;
 		} else {
-			UDF_I_CRTIME(inode) = UDF_SB_RECORDTIME(inode->i_sb);
+			UDF_I_CRTIME(inode) = sbi->s_record_time;
 		}
 
 		if (udf_stamp_to_time(&convtime, &convtime_usec,
@@ -1216,7 +1217,7 @@ static void udf_fill_inode(struct inode *inode, struct buffer_head *bh)
 			inode->i_ctime.tv_sec = convtime;
 			inode->i_ctime.tv_nsec = convtime_usec * 1000;
 		} else {
-			inode->i_ctime = UDF_SB_RECORDTIME(inode->i_sb);
+			inode->i_ctime = sbi->s_record_time;
 		}
 
 		UDF_I_UNIQUE(inode) = le64_to_cpu(efe->uniqueID);
@@ -1353,6 +1354,7 @@ static int udf_update_inode(struct inode *inode, int do_sync)
 	int i;
 	kernel_timestamp cpu_time;
 	int err = 0;
+	struct udf_sb_info *sbi = UDF_SB(inode->i_sb);
 
 	bh = udf_tread(inode->i_sb, udf_get_lb_pblock(inode->i_sb, UDF_I_LOCATION(inode), 0));
 	if (!bh) {
@@ -1537,11 +1539,11 @@ static int udf_update_inode(struct inode *inode, int do_sync)
 				ICBTAG_FLAG_SETGID | ICBTAG_FLAG_STICKY));
 
 	fe->icbTag.flags = cpu_to_le16(icbflags);
-	if (UDF_SB_UDFREV(inode->i_sb) >= 0x0200)
+	if (sbi->s_udfrev >= 0x0200)
 		fe->descTag.descVersion = cpu_to_le16(3);
 	else
 		fe->descTag.descVersion = cpu_to_le16(2);
-	fe->descTag.tagSerialNum = cpu_to_le16(UDF_SB_SERIALNUM(inode->i_sb));
+	fe->descTag.tagSerialNum = cpu_to_le16(sbi->s_serial_number);
 	fe->descTag.tagLocation = cpu_to_le32(UDF_I_LOCATION(inode).logicalBlockNum);
 	crclen += UDF_I_LENEATTR(inode) + UDF_I_LENALLOC(inode) - sizeof(tag);
 	fe->descTag.descCRCLength = cpu_to_le16(crclen);
@@ -1585,7 +1587,7 @@ struct inode *udf_iget(struct super_block *sb, kernel_lb_addr ino)
 	if (is_bad_inode(inode))
 		goto out_iput;
 
-	if (ino.logicalBlockNum >= UDF_SB_PARTLEN(sb, ino.partitionReferenceNum)) {
+	if (ino.logicalBlockNum >= UDF_SB(sb)->s_partmaps[ino.partitionReferenceNum].s_partition_len) {
 		udf_debug("block=%d, partition=%d out of range\n",
 			  ino.logicalBlockNum, ino.partitionReferenceNum);
 		make_bad_inode(inode);
@@ -1667,7 +1669,7 @@ int8_t udf_add_aext(struct inode * inode, struct extent_position * epos,
 				mark_inode_dirty(inode);
 			}
 		}
-		if (UDF_SB_UDFREV(inode->i_sb) >= 0x0200)
+		if (UDF_SB(inode->i_sb)->s_udfrev >= 0x0200)
 			udf_new_tag(nbh->b_data, TAG_IDENT_AED, 3, 1,
 				    epos->block.logicalBlockNum, sizeof(tag));
 		else
@@ -1690,7 +1692,7 @@ int8_t udf_add_aext(struct inode * inode, struct extent_position * epos,
 		}
 		if (epos->bh) {
 			if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT) ||
-			    UDF_SB_UDFREV(inode->i_sb) >= 0x0201)
+			    UDF_SB(inode->i_sb)->s_udfrev >= 0x0201)
 				udf_update_tag(epos->bh->b_data, loffset);
 			else
 				udf_update_tag(epos->bh->b_data, sizeof(struct allocExtDesc));
@@ -1711,7 +1713,7 @@ int8_t udf_add_aext(struct inode * inode, struct extent_position * epos,
 		aed = (struct allocExtDesc *)epos->bh->b_data;
 		aed->lengthAllocDescs =
 			cpu_to_le32(le32_to_cpu(aed->lengthAllocDescs) + adsize);
-		if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT) || UDF_SB_UDFREV(inode->i_sb) >= 0x0201)
+		if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT) || UDF_SB(inode->i_sb)->s_udfrev >= 0x0201)
 			udf_update_tag(epos->bh->b_data, epos->offset + (inc ? 0 : adsize));
 		else
 			udf_update_tag(epos->bh->b_data, sizeof(struct allocExtDesc));
@@ -1754,7 +1756,7 @@ int8_t udf_write_aext(struct inode * inode, struct extent_position * epos,
 
 	if (epos->bh) {
 		if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT) ||
-		    UDF_SB_UDFREV(inode->i_sb) >= 0x0201) {
+		    UDF_SB(inode->i_sb)->s_udfrev >= 0x0201) {
 			struct allocExtDesc *aed = (struct allocExtDesc *)epos->bh->b_data;
 			udf_update_tag(epos->bh->b_data,
 				       le32_to_cpu(aed->lengthAllocDescs) + sizeof(struct allocExtDesc));
@@ -1907,7 +1909,7 @@ int8_t udf_delete_aext(struct inode * inode, struct extent_position epos,
 			aed->lengthAllocDescs =
 				cpu_to_le32(le32_to_cpu(aed->lengthAllocDescs) - (2 * adsize));
 			if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT) ||
-			    UDF_SB_UDFREV(inode->i_sb) >= 0x0201)
+			    UDF_SB(inode->i_sb)->s_udfrev >= 0x0201)
 				udf_update_tag(oepos.bh->b_data, oepos.offset - (2 * adsize));
 			else
 				udf_update_tag(oepos.bh->b_data, sizeof(struct allocExtDesc));
@@ -1923,7 +1925,7 @@ int8_t udf_delete_aext(struct inode * inode, struct extent_position epos,
 			aed->lengthAllocDescs =
 				cpu_to_le32(le32_to_cpu(aed->lengthAllocDescs) - adsize);
 			if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT) ||
-			    UDF_SB_UDFREV(inode->i_sb) >= 0x0201)
+			    UDF_SB(inode->i_sb)->s_udfrev >= 0x0201)
 				udf_update_tag(oepos.bh->b_data, epos.offset - adsize);
 			else
 				udf_update_tag(oepos.bh->b_data, sizeof(struct allocExtDesc));
diff --git a/fs/udf/misc.c b/fs/udf/misc.c
index 15297deb5051..7cecb3098061 100644
--- a/fs/udf/misc.c
+++ b/fs/udf/misc.c
@@ -81,14 +81,16 @@ struct genericFormat *udf_add_extendedattr(struct inode *inode, uint32_t size,
 				return NULL;
 			}
 		} else {
+			struct udf_sb_info *sbi = UDF_SB(inode->i_sb);
+
 			size -= sizeof(struct extendedAttrHeaderDesc);
 			UDF_I_LENEATTR(inode) += sizeof(struct extendedAttrHeaderDesc);
 			eahd->descTag.tagIdent = cpu_to_le16(TAG_IDENT_EAHD);
-			if (UDF_SB_UDFREV(inode->i_sb) >= 0x0200)
+			if (sbi->s_udfrev >= 0x0200)
 				eahd->descTag.descVersion = cpu_to_le16(3);
 			else
 				eahd->descTag.descVersion = cpu_to_le16(2);
-			eahd->descTag.tagSerialNum = cpu_to_le16(UDF_SB_SERIALNUM(inode->i_sb));
+			eahd->descTag.tagSerialNum = cpu_to_le16(sbi->s_serial_number);
 			eahd->descTag.tagLocation = cpu_to_le32(UDF_I_LOCATION(inode).logicalBlockNum);
 			eahd->impAttrLocation = cpu_to_le32(0xFFFFFFFF);
 			eahd->appAttrLocation = cpu_to_le32(0xFFFFFFFF);
@@ -192,15 +194,16 @@ struct buffer_head *udf_read_tagged(struct super_block *sb, uint32_t block,
 	struct buffer_head *bh = NULL;
 	register uint8_t checksum;
 	register int i;
+	struct udf_sb_info *sbi = UDF_SB(sb);
 
 	/* Read the block */
 	if (block == 0xFFFFFFFF)
 		return NULL;
 
-	bh = udf_tread(sb, block + UDF_SB_SESSION(sb));
+	bh = udf_tread(sb, block + sbi->s_session);
 	if (!bh) {
 		udf_debug("block=%d, location=%d: read failed\n",
-			  block + UDF_SB_SESSION(sb), location);
+			  block + sbi->s_session, location);
 		return NULL;
 	}
 
@@ -210,7 +213,7 @@ struct buffer_head *udf_read_tagged(struct super_block *sb, uint32_t block,
 
 	if (location != le32_to_cpu(tag_p->tagLocation)) {
 		udf_debug("location mismatch block %u, tag %u != %u\n",
-			  block + UDF_SB_SESSION(sb), le32_to_cpu(tag_p->tagLocation), location);
+			  block + sbi->s_session, le32_to_cpu(tag_p->tagLocation), location);
 		goto error_out;
 	}
 
@@ -240,7 +243,7 @@ struct buffer_head *udf_read_tagged(struct super_block *sb, uint32_t block,
 		return bh;
 	}
 	udf_debug("Crc failure block %d: crc = %d, crclen = %d\n",
-		  block + UDF_SB_SESSION(sb), le16_to_cpu(tag_p->descCRC),
+		  block + sbi->s_session, le16_to_cpu(tag_p->descCRC),
 		  le16_to_cpu(tag_p->descCRCLength));
 
 error_out:
diff --git a/fs/udf/namei.c b/fs/udf/namei.c
index bec96a6b3343..86033d92824c 100644
--- a/fs/udf/namei.c
+++ b/fs/udf/namei.c
@@ -325,7 +325,7 @@ static struct fileIdentDesc *udf_add_entry(struct inode *dir,
 					   struct udf_fileident_bh *fibh,
 					   struct fileIdentDesc *cfi, int *err)
 {
-	struct super_block *sb;
+	struct super_block *sb = dir->i_sb;
 	struct fileIdentDesc *fi = NULL;
 	char name[UDF_NAME_LEN], fname[UDF_NAME_LEN];
 	int namelen;
@@ -342,8 +342,6 @@ static struct fileIdentDesc *udf_add_entry(struct inode *dir,
 	sector_t offset;
 	struct extent_position epos = {};
 
-	sb = dir->i_sb;
-
 	if (dentry) {
 		if (!dentry->d_name.len) {
 			*err = -EINVAL;
@@ -535,7 +533,7 @@ add:
 	}
 
 	memset(cfi, 0, sizeof(struct fileIdentDesc));
-	if (UDF_SB_UDFREV(sb) >= 0x0200)
+	if (UDF_SB(sb)->s_udfrev >= 0x0200)
 		udf_new_tag((char *)cfi, TAG_IDENT_FID, 3, 1, block, sizeof(tag));
 	else
 		udf_new_tag((char *)cfi, TAG_IDENT_FID, 2, 1, block, sizeof(tag));
@@ -901,6 +899,7 @@ static int udf_symlink(struct inode *dir, struct dentry *dentry,
 	int block;
 	char name[UDF_NAME_LEN];
 	int namelen;
+	struct buffer_head *bh;
 
 	lock_kernel();
 	if (!(inode = udf_new_inode(dir, S_IFLNK, &err)))
@@ -1014,17 +1013,19 @@ static int udf_symlink(struct inode *dir, struct dentry *dentry,
 		goto out_no_entry;
 	cfi.icb.extLength = cpu_to_le32(inode->i_sb->s_blocksize);
 	cfi.icb.extLocation = cpu_to_lelb(UDF_I_LOCATION(inode));
-	if (UDF_SB_LVIDBH(inode->i_sb)) {
+	bh = UDF_SB(inode->i_sb)->s_lvid_bh;
+	if (bh) {
+		struct logicalVolIntegrityDesc *lvid = (struct logicalVolIntegrityDesc *)bh->b_data;
 		struct logicalVolHeaderDesc *lvhd;
 		uint64_t uniqueID;
-		lvhd = (struct logicalVolHeaderDesc *)(UDF_SB_LVID(inode->i_sb)->logicalVolContentsUse);
+		lvhd = (struct logicalVolHeaderDesc *)(lvid->logicalVolContentsUse);
 		uniqueID = le64_to_cpu(lvhd->uniqueID);
 		*(__le32 *)((struct allocDescImpUse *)cfi.icb.impUse)->impUse =
 			cpu_to_le32(uniqueID & 0x00000000FFFFFFFFUL);
 		if (!(++uniqueID & 0x00000000FFFFFFFFUL))
 			uniqueID += 16;
 		lvhd->uniqueID = cpu_to_le64(uniqueID);
-		mark_buffer_dirty(UDF_SB_LVIDBH(inode->i_sb));
+		mark_buffer_dirty(bh);
 	}
 	udf_write_fi(dir, &cfi, fi, &fibh, NULL, NULL);
 	if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB) {
@@ -1053,6 +1054,7 @@ static int udf_link(struct dentry *old_dentry, struct inode *dir,
 	struct udf_fileident_bh fibh;
 	struct fileIdentDesc cfi, *fi;
 	int err;
+	struct buffer_head *bh;
 
 	lock_kernel();
 	if (inode->i_nlink >= (256 << sizeof(inode->i_nlink)) - 1) {
@@ -1066,17 +1068,19 @@ static int udf_link(struct dentry *old_dentry, struct inode *dir,
 	}
 	cfi.icb.extLength = cpu_to_le32(inode->i_sb->s_blocksize);
 	cfi.icb.extLocation = cpu_to_lelb(UDF_I_LOCATION(inode));
-	if (UDF_SB_LVIDBH(inode->i_sb)) {
+	bh = UDF_SB(inode->i_sb)->s_lvid_bh;
+	if (bh) {
+		struct logicalVolIntegrityDesc *lvid = (struct logicalVolIntegrityDesc *)bh->b_data;
 		struct logicalVolHeaderDesc *lvhd;
 		uint64_t uniqueID;
-		lvhd = (struct logicalVolHeaderDesc *)(UDF_SB_LVID(inode->i_sb)->logicalVolContentsUse);
+		lvhd = (struct logicalVolHeaderDesc *)(lvid->logicalVolContentsUse);
 		uniqueID = le64_to_cpu(lvhd->uniqueID);
 		*(__le32 *)((struct allocDescImpUse *)cfi.icb.impUse)->impUse =
 			cpu_to_le32(uniqueID & 0x00000000FFFFFFFFUL);
 		if (!(++uniqueID & 0x00000000FFFFFFFFUL))
 			uniqueID += 16;
 		lvhd->uniqueID = cpu_to_le64(uniqueID);
-		mark_buffer_dirty(UDF_SB_LVIDBH(inode->i_sb));
+		mark_buffer_dirty(bh);
 	}
 	udf_write_fi(dir, &cfi, fi, &fibh, NULL, NULL);
 	if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB) {
diff --git a/fs/udf/partition.c b/fs/udf/partition.c
index aaab24c8c498..eeb4714b3641 100644
--- a/fs/udf/partition.c
+++ b/fs/udf/partition.c
@@ -31,15 +31,18 @@
 inline uint32_t udf_get_pblock(struct super_block *sb, uint32_t block,
 			       uint16_t partition, uint32_t offset)
 {
-	if (partition >= UDF_SB_NUMPARTS(sb)) {
+	struct udf_sb_info *sbi = UDF_SB(sb);
+	struct udf_part_map *map;
+	if (partition >= sbi->s_partitions) {
 		udf_debug("block=%d, partition=%d, offset=%d: invalid partition\n",
 			  block, partition, offset);
 		return 0xFFFFFFFF;
 	}
-	if (UDF_SB_PARTFUNC(sb, partition))
-		return UDF_SB_PARTFUNC(sb, partition)(sb, block, partition, offset);
+	map = &sbi->s_partmaps[partition];
+	if (map->s_partition_func)
+		return map->s_partition_func(sb, block, partition, offset);
 	else
-		return UDF_SB_PARTROOT(sb, partition) + block + offset;
+		return map->s_partition_root + block + offset;
 }
 
 uint32_t udf_get_pblock_virt15(struct super_block *sb, uint32_t block,
@@ -49,12 +52,15 @@ uint32_t udf_get_pblock_virt15(struct super_block *sb, uint32_t block,
 	uint32_t newblock;
 	uint32_t index;
 	uint32_t loc;
+	struct udf_sb_info *sbi = UDF_SB(sb);
+	struct udf_part_map *map;
 
-	index = (sb->s_blocksize - UDF_SB_TYPEVIRT(sb,partition).s_start_offset) / sizeof(uint32_t);
+	map = &sbi->s_partmaps[partition];
+	index = (sb->s_blocksize - map->s_type_specific.s_virtual.s_start_offset) / sizeof(uint32_t);
 
-	if (block > UDF_SB_TYPEVIRT(sb,partition).s_num_entries) {
+	if (block > map->s_type_specific.s_virtual.s_num_entries) {
 		udf_debug("Trying to access block beyond end of VAT (%d max %d)\n",
-			  block, UDF_SB_TYPEVIRT(sb,partition).s_num_entries);
+			  block, map->s_type_specific.s_virtual.s_num_entries);
 		return 0xFFFFFFFF;
 	}
 
@@ -64,10 +70,10 @@ uint32_t udf_get_pblock_virt15(struct super_block *sb, uint32_t block,
 		index = block % (sb->s_blocksize / sizeof(uint32_t));
 	} else {
 		newblock = 0;
-		index = UDF_SB_TYPEVIRT(sb,partition).s_start_offset / sizeof(uint32_t) + block;
+		index = map->s_type_specific.s_virtual.s_start_offset / sizeof(uint32_t) + block;
 	}
 
-	loc = udf_block_map(UDF_SB_VAT(sb), newblock);
+	loc = udf_block_map(sbi->s_vat_inode, newblock);
 
 	if (!(bh = sb_bread(sb, loc))) {
 		udf_debug("get_pblock(UDF_VIRTUAL_MAP:%p,%d,%d) VAT: %d[%d]\n",
@@ -79,13 +85,13 @@ uint32_t udf_get_pblock_virt15(struct super_block *sb, uint32_t block,
 
 	brelse(bh);
 
-	if (UDF_I_LOCATION(UDF_SB_VAT(sb)).partitionReferenceNum == partition) {
+	if (UDF_I_LOCATION(sbi->s_vat_inode).partitionReferenceNum == partition) {
 		udf_debug("recursive call to udf_get_pblock!\n");
 		return 0xFFFFFFFF;
 	}
 
 	return udf_get_pblock(sb, loc,
-			      UDF_I_LOCATION(UDF_SB_VAT(sb)).partitionReferenceNum,
+			      UDF_I_LOCATION(sbi->s_vat_inode).partitionReferenceNum,
 			      offset);
 }
 
@@ -95,16 +101,21 @@ inline uint32_t udf_get_pblock_virt20(struct super_block * sb, uint32_t block,
 	return udf_get_pblock_virt15(sb, block, partition, offset);
 }
 
-uint32_t udf_get_pblock_spar15(struct super_block * sb, uint32_t block,
+uint32_t udf_get_pblock_spar15(struct super_block *sb, uint32_t block,
 			       uint16_t partition, uint32_t offset)
 {
 	int i;
 	struct sparingTable *st = NULL;
-	uint32_t packet = (block + offset) & ~(UDF_SB_TYPESPAR(sb,partition).s_packet_len - 1);
+	struct udf_sb_info *sbi = UDF_SB(sb);
+	struct udf_part_map *map;
+	uint32_t packet;
+
+	map = &sbi->s_partmaps[partition];
+	packet = (block + offset) & ~(map->s_type_specific.s_sparing.s_packet_len - 1);
 
 	for (i = 0; i < 4; i++) {
-		if (UDF_SB_TYPESPAR(sb,partition).s_spar_map[i] != NULL) {
-			st = (struct sparingTable *)UDF_SB_TYPESPAR(sb,partition).s_spar_map[i]->b_data;
+		if (map->s_type_specific.s_sparing.s_spar_map[i] != NULL) {
+			st = (struct sparingTable *)map->s_type_specific.s_sparing.s_spar_map[i]->b_data;
 			break;
 		}
 	}
@@ -115,14 +126,14 @@ uint32_t udf_get_pblock_spar15(struct super_block * sb, uint32_t block,
 				break;
 			} else if (le32_to_cpu(st->mapEntry[i].origLocation) == packet) {
 				return le32_to_cpu(st->mapEntry[i].mappedLocation) +
-					((block + offset) & (UDF_SB_TYPESPAR(sb,partition).s_packet_len - 1));
+					((block + offset) & (map->s_type_specific.s_sparing.s_packet_len - 1));
 			} else if (le32_to_cpu(st->mapEntry[i].origLocation) > packet) {
 				break;
 			}
 		}
 	}
 
-	return UDF_SB_PARTROOT(sb,partition) + block + offset;
+	return map->s_partition_root + block + offset;
 }
 
 int udf_relocate_blocks(struct super_block *sb, long old_block, long *new_block)
@@ -132,15 +143,17 @@ int udf_relocate_blocks(struct super_block *sb, long old_block, long *new_block)
 	struct sparingEntry mapEntry;
 	uint32_t packet;
 	int i, j, k, l;
+	struct udf_sb_info *sbi = UDF_SB(sb);
 
-	for (i = 0; i < UDF_SB_NUMPARTS(sb); i++) {
-		if (old_block > UDF_SB_PARTROOT(sb,i) &&
-		    old_block < UDF_SB_PARTROOT(sb,i) + UDF_SB_PARTLEN(sb,i)) {
-			sdata = &UDF_SB_TYPESPAR(sb,i);
-			packet = (old_block - UDF_SB_PARTROOT(sb,i)) & ~(sdata->s_packet_len - 1);
+	for (i = 0; i < sbi->s_partitions; i++) {
+		struct udf_part_map *map = &sbi->s_partmaps[i];
+		if (old_block > map->s_partition_root &&
+		    old_block < map->s_partition_root + map->s_partition_len) {
+			sdata = &map->s_type_specific.s_sparing;
+			packet = (old_block - map->s_partition_root) & ~(sdata->s_packet_len - 1);
 
 			for (j = 0; j < 4; j++) {
-				if (UDF_SB_TYPESPAR(sb,i).s_spar_map[j] != NULL) {