scsi: use 64-bit LUNs

The SCSI standard defines 64-bit values for LUNs, and large arrays
employing large or hierarchical LUN numbers become more and more
common.

So update the linux SCSI stack to use 64-bit LUN numbers.

Signed-off-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Christoph Hellwig <hch@infradead.org>
Reviewed-by: Ewan Milne <emilne@redhat.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
diff --git a/drivers/scsi/sym53c8xx_2/sym_glue.c b/drivers/scsi/sym53c8xx_2/sym_glue.c
index 6d3ee1a..e59e6f9 100644
--- a/drivers/scsi/sym53c8xx_2/sym_glue.c
+++ b/drivers/scsi/sym53c8xx_2/sym_glue.c
@@ -851,7 +851,7 @@
 		 * so let's try to stop all on-going I/O.
 		 */
 		starget_printk(KERN_WARNING, tp->starget,
-			       "Removing busy LCB (%d)\n", sdev->lun);
+			       "Removing busy LCB (%d)\n", (u8)sdev->lun);
 		sym_reset_scsi_bus(np, 1);
 	}