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>

2 files changed, 2 insertions, 2 deletions

diff --git a/drivers/scsi/sym53c8xx_2/sym_glue.c b/drivers/scsi/sym53c8xx_2/sym_glue.c
index 6d3ee1ab6362..e59e6f96b725 100644
--- a/drivers/scsi/sym53c8xx_2/sym_glue.c
+++ b/drivers/scsi/sym53c8xx_2/sym_glue.c
@@ -851,7 +851,7 @@ static void sym53c8xx_slave_destroy(struct scsi_device *sdev)
                  * 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);
         }
 
diff --git a/drivers/scsi/sym53c8xx_2/sym_hipd.h b/drivers/scsi/sym53c8xx_2/sym_hipd.h
index 5a80cbac3f92..a141b1758033 100644
--- a/drivers/scsi/sym53c8xx_2/sym_hipd.h
+++ b/drivers/scsi/sym53c8xx_2/sym_hipd.h
@@ -581,7 +581,7 @@ struct sym_pmc {
 #define sym_lp(tp, lun) (!lun) ? (tp)->lun0p : NULL
 #else
 #define sym_lp(tp, lun) \
-        (!lun) ? (tp)->lun0p : (tp)->lunmp ? (tp)->lunmp[(lun)] : NULL
+        (!lun) ? (tp)->lun0p : (tp)->lunmp ? (tp)->lunmp[((u8)lun)] : NULL
 #endif
 
 /*