diff --git a/fs/nfs/blocklayout/blocklayout.h b/fs/nfs/blocklayout/blocklayout.h
index efc007f00742..716bc75e9ed2 100644
--- a/fs/nfs/blocklayout/blocklayout.h
+++ b/fs/nfs/blocklayout/blocklayout.h
@@ -92,10 +92,9 @@ struct pnfs_block_volume {
 };
 
 struct pnfs_block_dev_map {
-	sector_t			start;
-	sector_t			len;
-
-	sector_t			disk_offset;
+	u64			start;
+	u64			len;
+	u64			disk_offset;
 	struct block_device		*bdev;
 };