From patchwork Sat Apr 9 13:11:18 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Varun Prakash X-Patchwork-Id: 8788281 Return-Path: X-Original-To: patchwork-linux-scsi@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 72E1DC0553 for ; Sat, 9 Apr 2016 13:13:19 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 5ED6620256 for ; Sat, 9 Apr 2016 13:13:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 79F3420222 for ; Sat, 9 Apr 2016 13:13:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754633AbcDINNQ (ORCPT ); Sat, 9 Apr 2016 09:13:16 -0400 Received: from stargate.chelsio.com ([12.32.117.8]:10285 "EHLO stargate3.asicdesigners.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1754479AbcDINNO (ORCPT ); Sat, 9 Apr 2016 09:13:14 -0400 Received: from fcoe-test11.asicdesigners.com (fcoe-test11.blr.asicdesigners.com [10.193.185.180]) by stargate3.asicdesigners.com (8.13.8/8.13.8) with ESMTP id u39DBpuP014866; Sat, 9 Apr 2016 06:13:09 -0700 From: Varun Prakash To: target-devel@vger.kernel.org, linux-scsi@vger.kernel.org Cc: nab@linux-iscsi.org, swise@opengridcomputing.com, kxie@chelsio.com, indranil@chelsio.com, varun@chelsio.com Subject: [PATCH v2 08/16] iscsi-target: add void (*iscsit_get_r2t_ttt)() Date: Sat, 9 Apr 2016 18:41:18 +0530 Message-Id: <2f71b7720d07231faa12ffba830681f1d7ac07da.1460204441.git.varun@chelsio.com> X-Mailer: git-send-email 2.0.2 In-Reply-To: References: In-Reply-To: References: Sender: linux-scsi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org X-Spam-Status: No, score=-7.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Add void (*iscsit_get_r2t_ttt)() to struct iscsit_transport, iscsi-target uses this callback to get r2t->targ_xfer_tag. Signed-off-by: Varun Prakash --- drivers/target/iscsi/iscsi_target.c | 5 ++++- include/target/iscsi/iscsi_transport.h | 2 ++ 2 files changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c index 98d96d4..ec785c8 100644 --- a/drivers/target/iscsi/iscsi_target.c +++ b/drivers/target/iscsi/iscsi_target.c @@ -3060,7 +3060,10 @@ 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); diff --git a/include/target/iscsi/iscsi_transport.h b/include/target/iscsi/iscsi_transport.h index dbef892..f949e70 100644 --- a/include/target/iscsi/iscsi_transport.h +++ b/include/target/iscsi/iscsi_transport.h @@ -32,6 +32,8 @@ struct iscsit_transport { void (*iscsit_release_cmd)(struct iscsi_conn *, struct iscsi_cmd *); void (*iscsit_get_rx_pdu)(struct iscsi_conn *); int (*iscsit_validate_params)(struct iscsi_conn *); + void (*iscsit_get_r2t_ttt)(struct iscsi_conn *, struct iscsi_cmd *, + struct iscsi_r2t *); enum target_prot_op (*iscsit_get_sup_prot_ops)(struct iscsi_conn *); };