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/mesh.c b/drivers/scsi/mesh.c
index e8a04ae..7a6160f 100644
--- a/drivers/scsi/mesh.c
+++ b/drivers/scsi/mesh.c
@@ -1230,7 +1230,7 @@
 				ms->msgphase = msg_out;
 			} else if (code != cmd->device->lun + IDENTIFY_BASE) {
 				printk(KERN_WARNING "mesh: lun mismatch "
-				       "(%d != %d) on reselection from "
+				       "(%d != %llu) on reselection from "
 				       "target %d\n", code - IDENTIFY_BASE,
 				       cmd->device->lun, ms->conn_tgt);
 			}