diff --git a/fs/udf/balloc.c b/fs/udf/balloc.c
index e0fd65f..cbfd604 100644
--- a/fs/udf/balloc.c
+++ b/fs/udf/balloc.c
@@ -218,16 +218,18 @@
 	return alloc_count;
 }
 
-static int udf_bitmap_new_block(struct super_block *sb,
+static udf_pblk_t udf_bitmap_new_block(struct super_block *sb,
 				struct udf_bitmap *bitmap, uint16_t partition,
 				uint32_t goal, int *err)
 {
 	struct udf_sb_info *sbi = UDF_SB(sb);
-	int newbit, bit = 0, block, block_group, group_start;
+	int newbit, bit = 0;
+	udf_pblk_t block;
+	int block_group, group_start;
 	int end_goal, nr_groups, bitmap_nr, i;
 	struct buffer_head *bh = NULL;
 	char *ptr;
-	int newblock = 0;
+	udf_pblk_t newblock = 0;
 
 	*err = -ENOSPC;
 	mutex_lock(&sbi->s_alloc_mutex);
@@ -545,13 +547,14 @@
 	return alloc_count;
 }
 
-static int udf_table_new_block(struct super_block *sb,
+static udf_pblk_t udf_table_new_block(struct super_block *sb,
 			       struct inode *table, uint16_t partition,
 			       uint32_t goal, int *err)
 {
 	struct udf_sb_info *sbi = UDF_SB(sb);
 	uint32_t spread = 0xFFFFFFFF, nspread = 0xFFFFFFFF;
-	uint32_t newblock = 0, adsize;
+	udf_pblk_t newblock = 0;
+	uint32_t adsize;
 	uint32_t elen, goal_elen = 0;
 	struct kernel_lb_addr eloc, uninitialized_var(goal_eloc);
 	struct extent_position epos, goal_epos;
@@ -700,12 +703,12 @@
 	return allocated;
 }
 
-inline int udf_new_block(struct super_block *sb,
+inline udf_pblk_t udf_new_block(struct super_block *sb,
 			 struct inode *inode,
 			 uint16_t partition, uint32_t goal, int *err)
 {
 	struct udf_part_map *map = &UDF_SB(sb)->s_partmaps[partition];
-	int block;
+	udf_pblk_t block;
 
 	if (map->s_partition_flags & UDF_PART_FLAG_UNALLOC_BITMAP)
 		block = udf_bitmap_new_block(sb,
diff --git a/fs/udf/dir.c b/fs/udf/dir.c
index 2d0e028..c19dba4 100644
--- a/fs/udf/dir.c
+++ b/fs/udf/dir.c
@@ -43,7 +43,7 @@
 	struct udf_fileident_bh fibh = { .sbh = NULL, .ebh = NULL};
 	struct fileIdentDesc *fi = NULL;
 	struct fileIdentDesc cfi;
-	int block, iblock;
+	udf_pblk_t block, iblock;
 	loff_t nf_pos;
 	int flen;
 	unsigned char *fname = NULL, *copy_name = NULL;
diff --git a/fs/udf/directory.c b/fs/udf/directory.c
index 7aa48bd..c41c3cc 100644
--- a/fs/udf/directory.c
+++ b/fs/udf/directory.c
@@ -26,7 +26,8 @@
 					 sector_t *offset)
 {
 	struct fileIdentDesc *fi;
-	int i, num, block;
+	int i, num;
+	udf_pblk_t block;
 	struct buffer_head *tmp, *bha[16];
 	struct udf_inode_info *iinfo = UDF_I(dir);
 
diff --git a/fs/udf/ialloc.c b/fs/udf/ialloc.c
index c1ed18a..b6e420c 100644
--- a/fs/udf/ialloc.c
+++ b/fs/udf/ialloc.c
@@ -50,7 +50,7 @@
 	struct super_block *sb = dir->i_sb;
 	struct udf_sb_info *sbi = UDF_SB(sb);
 	struct inode *inode;
-	int block;
+	udf_pblk_t block;
 	uint32_t start = UDF_I(dir)->i_location.logicalBlockNum;
 	struct udf_inode_info *iinfo;
 	struct udf_inode_info *dinfo = UDF_I(dir);
diff --git a/fs/udf/inode.c b/fs/udf/inode.c
index 8dacf4f..1d8324a 100644
--- a/fs/udf/inode.c
+++ b/fs/udf/inode.c
@@ -52,7 +52,7 @@
 static sector_t inode_getblk(struct inode *, sector_t, int *, int *);
 static int8_t udf_insert_aext(struct inode *, struct extent_position,
 			      struct kernel_lb_addr, uint32_t);
-static void udf_split_extents(struct inode *, int *, int, int,
+static void udf_split_extents(struct inode *, int *, int, udf_pblk_t,
 			      struct kernel_long_ad *, int *);
 static void udf_prealloc_extents(struct inode *, int, int,
 				 struct kernel_long_ad *, int *);
@@ -316,10 +316,10 @@
 	return err;
 }
 
-struct buffer_head *udf_expand_dir_adinicb(struct inode *inode, int *block,
-					   int *err)
+struct buffer_head *udf_expand_dir_adinicb(struct inode *inode,
+					    udf_pblk_t *block, int *err)
 {
-	int newblock;
+	udf_pblk_t newblock;
 	struct buffer_head *dbh = NULL;
 	struct kernel_lb_addr eloc;
 	uint8_t alloctype;
@@ -446,7 +446,7 @@
 	return err;
 }
 
-static struct buffer_head *udf_getblk(struct inode *inode, long block,
+static struct buffer_head *udf_getblk(struct inode *inode, udf_pblk_t block,
 				      int create, int *err)
 {
 	struct buffer_head *bh;
@@ -663,11 +663,11 @@
 	struct kernel_lb_addr eloc, tmpeloc;
 	int c = 1;
 	loff_t lbcount = 0, b_off = 0;
-	uint32_t newblocknum, newblock;
+	udf_pblk_t newblocknum, newblock;
 	sector_t offset = 0;
 	int8_t etype;
 	struct udf_inode_info *iinfo = UDF_I(inode);
-	int goal = 0, pgoal = iinfo->i_location.logicalBlockNum;
+	udf_pblk_t goal = 0, pgoal = iinfo->i_location.logicalBlockNum;
 	int lastblock = 0;
 	bool isBeyondEOF;
 
@@ -879,8 +879,8 @@
 }
 
 static void udf_split_extents(struct inode *inode, int *c, int offset,
-			      int newblocknum, struct kernel_long_ad *laarr,
-			      int *endnum)
+			       udf_pblk_t newblocknum,
+			       struct kernel_long_ad *laarr, int *endnum)
 {
 	unsigned long blocksize = inode->i_sb->s_blocksize;
 	unsigned char blocksize_bits = inode->i_sb->s_blocksize_bits;
@@ -1166,7 +1166,7 @@
 	}
 }
 
-struct buffer_head *udf_bread(struct inode *inode, int block,
+struct buffer_head *udf_bread(struct inode *inode, udf_pblk_t block,
 			      int create, int *err)
 {
 	struct buffer_head *bh = NULL;
@@ -1852,7 +1852,7 @@
 	return inode;
 }
 
-int udf_setup_indirect_aext(struct inode *inode, int block,
+int udf_setup_indirect_aext(struct inode *inode, udf_pblk_t block,
 			    struct extent_position *epos)
 {
 	struct super_block *sb = inode->i_sb;
@@ -1994,7 +1994,7 @@
 
 	if (epos->offset + (2 * adsize) > sb->s_blocksize) {
 		int err;
-		int new_block;
+		udf_pblk_t new_block;
 
 		new_block = udf_new_block(sb, NULL,
 					  epos->block.partitionReferenceNum,
@@ -2076,7 +2076,7 @@
 
 	while ((etype = udf_current_aext(inode, epos, eloc, elen, inc)) ==
 	       (EXT_NEXT_EXTENT_ALLOCDECS >> 30)) {
-		int block;
+		udf_pblk_t block;
 
 		if (++indirections > UDF_MAX_INDIR_EXTS) {
 			udf_err(inode->i_sb,
@@ -2289,13 +2289,13 @@
 	return etype;
 }
 
-long udf_block_map(struct inode *inode, sector_t block)
+udf_pblk_t udf_block_map(struct inode *inode, sector_t block)
 {
 	struct kernel_lb_addr eloc;
 	uint32_t elen;
 	sector_t offset;
 	struct extent_position epos = {};
-	int ret;
+	udf_pblk_t ret;
 
 	down_read(&UDF_I(inode)->i_data_sem);
 
diff --git a/fs/udf/misc.c b/fs/udf/misc.c
index 3949c4b..97f3258 100644
--- a/fs/udf/misc.c
+++ b/fs/udf/misc.c
@@ -28,7 +28,7 @@
 #include "udf_i.h"
 #include "udf_sb.h"
 
-struct buffer_head *udf_tgetblk(struct super_block *sb, int block)
+struct buffer_head *udf_tgetblk(struct super_block *sb, udf_pblk_t block)
 {
 	if (UDF_QUERY_FLAG(sb, UDF_FLAG_VARCONV))
 		return sb_getblk(sb, udf_fixed_to_variable(block));
@@ -36,7 +36,7 @@
 		return sb_getblk(sb, block);
 }
 
-struct buffer_head *udf_tread(struct super_block *sb, int block)
+struct buffer_head *udf_tread(struct super_block *sb, udf_pblk_t block)
 {
 	if (UDF_QUERY_FLAG(sb, UDF_FLAG_VARCONV))
 		return sb_bread(sb, udf_fixed_to_variable(block));
diff --git a/fs/udf/namei.c b/fs/udf/namei.c
index 885198d..d3f18a6 100644
--- a/fs/udf/namei.c
+++ b/fs/udf/namei.c
@@ -164,7 +164,8 @@
 {
 	struct fileIdentDesc *fi = NULL;
 	loff_t f_pos;
-	int block, flen;
+	udf_pblk_t block;
+	int flen;
 	unsigned char *fname = NULL, *copy_name = NULL;
 	unsigned char *nameptr;
 	uint8_t lfi;
@@ -352,7 +353,7 @@
 	int nfidlen;
 	uint8_t lfi;
 	uint16_t liu;
-	int block;
+	udf_pblk_t block;
 	struct kernel_lb_addr eloc;
 	uint32_t elen = 0;
 	sector_t offset;
@@ -749,7 +750,7 @@
 	struct udf_fileident_bh fibh;
 	loff_t f_pos;
 	loff_t size = udf_ext0_offset(dir) + dir->i_size;
-	int block;
+	udf_pblk_t block;
 	struct kernel_lb_addr eloc;
 	uint32_t elen;
 	sector_t offset;
@@ -913,7 +914,7 @@
 	int eoffset, elen = 0;
 	uint8_t *ea;
 	int err;
-	int block;
+	udf_pblk_t block;
 	unsigned char *name = NULL;
 	int namelen;
 	struct udf_inode_info *iinfo;
diff --git a/fs/udf/super.c b/fs/udf/super.c
index 08bf097..7ea0592 100644
--- a/fs/udf/super.c
+++ b/fs/udf/super.c
@@ -2389,7 +2389,7 @@
 	struct buffer_head *bh = NULL;
 	unsigned int accum = 0;
 	int index;
-	int block = 0, newblock;
+	udf_pblk_t block = 0, newblock;
 	struct kernel_lb_addr loc;
 	uint32_t bytes;
 	uint8_t *ptr;
diff --git a/fs/udf/truncate.c b/fs/udf/truncate.c
index 42b8c57..b647f0b 100644
--- a/fs/udf/truncate.c
+++ b/fs/udf/truncate.c
@@ -48,7 +48,7 @@
 
 	if (elen != nelen) {
 		udf_write_aext(inode, epos, &neloc, nelen, 0);
-		if (last_block - first_block > 0) {
+		if (last_block > first_block) {
 			if (etype == (EXT_RECORDED_ALLOCATED >> 30))
 				mark_inode_dirty(inode);
 
diff --git a/fs/udf/udfdecl.h b/fs/udf/udfdecl.h
index 63b0349..8e51704 100644
--- a/fs/udf/udfdecl.h
+++ b/fs/udf/udfdecl.h
@@ -73,6 +73,8 @@
 /* computes tag checksum */
 u8 udf_tag_checksum(const struct tag *t);
 
+typedef uint32_t udf_pblk_t;
+
 struct dentry;
 struct inode;
 struct task_struct;
@@ -144,15 +146,17 @@
 	return __udf_iget(sb, ino, false);
 }
 extern int udf_expand_file_adinicb(struct inode *);
-extern struct buffer_head *udf_expand_dir_adinicb(struct inode *, int *, int *);
-extern struct buffer_head *udf_bread(struct inode *, int, int, int *);
+extern struct buffer_head *udf_expand_dir_adinicb(struct inode *inode,
+						  udf_pblk_t *block, int *err);
+extern struct buffer_head *udf_bread(struct inode *inode, udf_pblk_t block,
+				      int create, int *err);
 extern int udf_setsize(struct inode *, loff_t);
 extern void udf_evict_inode(struct inode *);
 extern int udf_write_inode(struct inode *, struct writeback_control *wbc);
-extern long udf_block_map(struct inode *, sector_t);
+extern udf_pblk_t udf_block_map(struct inode *inode, sector_t block);
 extern int8_t inode_bmap(struct inode *, sector_t, struct extent_position *,
 			 struct kernel_lb_addr *, uint32_t *, sector_t *);
-extern int udf_setup_indirect_aext(struct inode *inode, int block,
+extern int udf_setup_indirect_aext(struct inode *inode, udf_pblk_t block,
 				   struct extent_position *epos);
 extern int __udf_add_aext(struct inode *inode, struct extent_position *epos,
 			  struct kernel_lb_addr *eloc, uint32_t elen, int inc);
@@ -168,8 +172,9 @@
 			       struct kernel_lb_addr *, uint32_t *, int);
 
 /* misc.c */
-extern struct buffer_head *udf_tgetblk(struct super_block *, int);
-extern struct buffer_head *udf_tread(struct super_block *, int);
+extern struct buffer_head *udf_tgetblk(struct super_block *sb,
+					udf_pblk_t block);
+extern struct buffer_head *udf_tread(struct super_block *sb, udf_pblk_t block);
 extern struct genericFormat *udf_add_extendedattr(struct inode *, uint32_t,
 						  uint32_t, uint8_t);
 extern struct genericFormat *udf_get_extendedattr(struct inode *, uint32_t,
@@ -228,8 +233,8 @@
 			    struct kernel_lb_addr *, uint32_t, uint32_t);
 extern int udf_prealloc_blocks(struct super_block *, struct inode *, uint16_t,
 			       uint32_t, uint32_t);
-extern int udf_new_block(struct super_block *, struct inode *, uint16_t,
-			 uint32_t, int *);
+extern udf_pblk_t udf_new_block(struct super_block *sb, struct inode *inode,
+				 uint16_t partition, uint32_t goal, int *err);
 
 /* directory.c */
 extern struct fileIdentDesc *udf_fileident_read(struct inode *, loff_t *,