From 20eaf85dd4c2528ede2b6c01a9a780ce686a9bb5 Mon Sep 17 00:00:00 2001
From: Ronnie Sahlberg <ronniesahlberg@gmail.com>
Date: Sun, 2 Jan 2011 19:31:49 +1100
Subject: [PATCH] Handle InitialR2T=Yes correctly when sendign data to a target
 and wait for a R2T before sending the first block of data.

We should now honour, and handle the case of
ImmediateData=No
InitialR2T=Yes
correctly for targets that are limited on receiveing data too fast.
---
 lib/scsi-command.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/lib/scsi-command.c b/lib/scsi-command.c
index 8a2a98e..b324264 100644
--- a/lib/scsi-command.c
+++ b/lib/scsi-command.c
@@ -263,8 +263,10 @@ iscsi_scsi_command_async(struct iscsi_context *iscsi, int lun,
 			}
 		}
 
-		if (pdu->nidata.size > 0) {
-			/* We have more data to send, so dont flag this PDU as final */
+		if (pdu->nidata.size > 0 && iscsi->use_initial_r2t == ISCSI_INITIAL_R2T_NO) {
+			/* We have more data to send, and we are allowed to send
+			 * unsolicited data, so dont flag this PDU as final.
+			 */
 			flags &= ~ISCSI_PDU_SCSI_FINAL;
 		}
 		break;