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/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h
index de5d0ae..b643991 100644
--- a/drivers/scsi/qla2xxx/qla_def.h
+++ b/drivers/scsi/qla2xxx/qla_def.h
@@ -320,8 +320,8 @@
 			 * defined in tsk_mgmt_entry struct
 			 * for control_flags field in qla_fw.h.
 			 */
+			uint64_t lun;
 			uint32_t flags;
-			uint32_t lun;
 			uint32_t data;
 			struct completion comp;
 			__le16 comp_status;
@@ -2529,8 +2529,8 @@
 	void (*disable_intrs) (struct qla_hw_data *);
 
 	int (*abort_command) (srb_t *);
-	int (*target_reset) (struct fc_port *, unsigned int, int);
-	int (*lun_reset) (struct fc_port *, unsigned int, int);
+	int (*target_reset) (struct fc_port *, uint64_t, int);
+	int (*lun_reset) (struct fc_port *, uint64_t, int);
 	int (*fabric_login) (struct scsi_qla_host *, uint16_t, uint8_t,
 		uint8_t, uint8_t, uint16_t *, uint8_t);
 	int (*fabric_logout) (struct scsi_qla_host *, uint16_t, uint8_t,