[SCSI] iscsi class, libiscsi and qla4xxx: convert to new transport host byte values

This patch converts the iscsi drivers to the new host byte values.

v2
Drop some conversions. Want to avoid conflicts with other patches.
v1
initial patch.

Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c
index 521dbf7..0e8f26b 100644
--- a/drivers/scsi/libiscsi.c
+++ b/drivers/scsi/libiscsi.c
@@ -1200,7 +1200,7 @@
 			goto reject;
 		case ISCSI_STATE_RECOVERY_FAILED:
 			reason = FAILURE_SESSION_RECOVERY_TIMEOUT;
-			sc->result = DID_NO_CONNECT << 16;
+			sc->result = DID_TRANSPORT_FAILFAST << 16;
 			break;
 		case ISCSI_STATE_TERMINATE:
 			reason = FAILURE_SESSION_TERMINATE;
@@ -2333,8 +2333,10 @@
 	 * flush queues.
 	 */
 	spin_lock_bh(&session->lock);
-	fail_all_commands(conn, -1,
-			STOP_CONN_RECOVER ? DID_BUS_BUSY : DID_ERROR);
+	if (STOP_CONN_RECOVER)
+		fail_all_commands(conn, -1, DID_TRANSPORT_DISRUPTED);
+	else
+		fail_all_commands(conn, -1, DID_ERROR);
 	flush_control_queues(session, conn);
 	spin_unlock_bh(&session->lock);
 	mutex_unlock(&session->eh_mutex);