From 8567270d8de6192eb2632b45421b1fde9bcda2f2 Mon Sep 17 00:00:00 2001 From: Varun Prakash Date: Wed, 20 Apr 2016 00:00:13 +0530 Subject: iscsi-target: add void (*iscsit_get_r2t_ttt)() Add void (*iscsit_get_r2t_ttt)() to struct iscsit_transport, iscsi-target uses this callback to get r2t->targ_xfer_tag. cxgbit.ko needs this callback for Direct Data Placement of Data Out pdus, adapter uses ttt in Data Out pdus for placing data directly in to the host buffers. Signed-off-by: Varun Prakash Signed-off-by: Nicholas Bellinger --- drivers/target/iscsi/iscsi_target.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) (limited to 'drivers/target') diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c index a827b7afe42c..a28eb87d6efc 100644 --- a/drivers/target/iscsi/iscsi_target.c +++ b/drivers/target/iscsi/iscsi_target.c @@ -3039,7 +3039,10 @@ static int iscsit_send_r2t( int_to_scsilun(cmd->se_cmd.orig_fe_lun, (struct scsi_lun *)&hdr->lun); hdr->itt = cmd->init_task_tag; - r2t->targ_xfer_tag = session_get_next_ttt(conn->sess); + if (conn->conn_transport->iscsit_get_r2t_ttt) + conn->conn_transport->iscsit_get_r2t_ttt(conn, cmd, r2t); + else + r2t->targ_xfer_tag = session_get_next_ttt(conn->sess); hdr->ttt = cpu_to_be32(r2t->targ_xfer_tag); hdr->statsn = cpu_to_be32(conn->stat_sn); hdr->exp_cmdsn = cpu_to_be32(conn->sess->exp_cmd_sn); -- cgit v1.2.3