diff -ruP linux/include/linux/fs.h linux-ioctl/include/linux/fs.h
--- linux/include/linux/fs.h	Tue Jan 30 01:24:56 2001
+++ linux-ioctl/include/linux/fs.h	Tue Feb 13 11:08:43 2001
@@ -180,6 +180,8 @@
 /* This was here just to show that the number is taken -
    probably all these _IO(0x12,*) ioctls should be moved to blkpg.h. */
 #endif
+#define BLKGETLASTSECT  _IO(0x12,108) /* get last sector of block device */
+#define BLKSETLASTSECT  _IO(0x12,109) /* get last sector of block device */
 
 
 #define BMAP_IOCTL 1		/* obsolete - kept for compatibility */