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/a100u2w.c b/drivers/scsi/a100u2w.c
index 0163457..522570d 100644
--- a/drivers/scsi/a100u2w.c
+++ b/drivers/scsi/a100u2w.c
@@ -891,7 +891,7 @@
printk("max cdb length= %x\b", cmd->cmd_len);
scb->cdb_len = IMAX_CDB;
}
- scb->ident = cmd->device->lun | DISC_ALLOW;
+ scb->ident = (u8)(cmd->device->lun & 0xff) | DISC_ALLOW;
if (cmd->device->tagged_supported) { /* Tag Support */
scb->tag_msg = SIMPLE_QUEUE_TAG; /* Do simple tag only */
} else {