Tidy away inode->i_rdev --> dev
--- diff/drivers/md/dm.c	2003-04-17 17:53:51.000000000 +0100
+++ source/drivers/md/dm.c	2003-04-17 17:54:01.000000000 +0100
@@ -463,7 +463,7 @@
 	case BLKELVSET:
 	case BLKBSZGET:
 	case BLKBSZSET:
-		return blk_ioctl(inode->i_rdev, command, a);
+		return blk_ioctl(dev, command, a);
 		break;
 
 	case BLKGETSIZE: