diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index 874d169..602d5ad 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -139,8 +139,8 @@
 	struct inode		*inode;		/* file being written to */
 	unsigned int		flag;		/* unwritten or not */
 	int			error;		/* I/O error code */
-	ext4_lblk_t		offset;		/* offset in the file */
-	size_t			size;		/* size of the extent */
+	loff_t			offset;		/* offset in the file */
+	ssize_t			size;		/* size of the extent */
 	struct work_struct	work;		/* data work queue */
 } ext4_io_end_t;
 
@@ -1744,7 +1744,7 @@
 extern long ext4_fallocate(struct inode *inode, int mode, loff_t offset,
 			  loff_t len);
 extern int ext4_convert_unwritten_extents(struct inode *inode, loff_t offset,
-			  loff_t len);
+			  ssize_t len);
 extern int ext4_get_blocks(handle_t *handle, struct inode *inode,
 			   sector_t block, unsigned int max_blocks,
 			   struct buffer_head *bh, int flags);
diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index 765a482..c568779 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -3603,7 +3603,7 @@
  * Returns 0 on success.
  */
 int ext4_convert_unwritten_extents(struct inode *inode, loff_t offset,
-				    loff_t len)
+				    ssize_t len)
 {
 	handle_t *handle;
 	ext4_lblk_t block;
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index e119524..2059c34 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -3551,7 +3551,7 @@
 {
 	struct inode *inode = io->inode;
 	loff_t offset = io->offset;
-	size_t size = io->size;
+	ssize_t size = io->size;
 	int ret = 0;
 
 	ext4_debug("end_aio_dio_onlock: io 0x%p from inode %lu,list->next 0x%p,"