[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/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c
index 0ce5f7c..cbaae48 100644
--- a/drivers/scsi/scsi_transport_iscsi.c
+++ b/drivers/scsi/scsi_transport_iscsi.c
@@ -374,10 +374,10 @@
 		err = 0;
 		break;
 	case ISCSI_SESSION_FAILED:
-		err = DID_IMM_RETRY << 16;
+		err = DID_TRANSPORT_DISRUPTED << 16;
 		break;
 	case ISCSI_SESSION_FREE:
-		err = DID_NO_CONNECT << 16;
+		err = DID_TRANSPORT_FAILFAST << 16;
 		break;
 	default:
 		err = DID_NO_CONNECT << 16;