From mboxrd@z Thu Jan 1 00:00:00 1970 From: Boaz Harrosh Subject: [PATCH] iscsi tcp: bidi capable Date: Tue, 20 Jan 2009 16:02:18 +0200 Message-ID: <4975D96A.6020407@panasas.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Return-path: Received: from gw-ca.panasas.com ([66.104.249.162]:3144 "EHLO laguna.int.panasas.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751902AbZATOCW (ORCPT ); Tue, 20 Jan 2009 09:02:22 -0500 Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: Pete Wyckoff , Mike Christie Cc: FUJITA Tomonori , linux-scsi , open-osd mailing-list , open-iscsi@googlegroups.com From: Pete Wyckoff Mark iscsi_tcp as being capable of bidirectional transfers. The bsg interface checks this bit before attempting any bidirectional commands. Signed-off-by: Pete Wyckoff Signed-off-by: Boaz Harrosh --- drivers/scsi/iscsi_tcp.c | 7 +++++++ 1 files changed, 7 insertions(+), 0 deletions(-) diff --git a/drivers/scsi/iscsi_tcp.c b/drivers/scsi/iscsi_tcp.c index af092a8..9e2d4fb 100644 --- a/drivers/scsi/iscsi_tcp.c +++ b/drivers/scsi/iscsi_tcp.c @@ -806,6 +806,12 @@ static void iscsi_sw_tcp_session_destroy(struct iscsi_cls_session *cls_session) iscsi_host_free(shost); } +static int iscsi_tcp_slave_alloc(struct scsi_device *sdev) +{ + set_bit(QUEUE_FLAG_BIDI, &sdev->request_queue->queue_flags); + return 0; +} + static int iscsi_sw_tcp_slave_configure(struct scsi_device *sdev) { blk_queue_bounce_limit(sdev->request_queue, BLK_BOUNCE_ANY); @@ -826,6 +832,7 @@ static struct scsi_host_template iscsi_sw_tcp_sht = { .eh_device_reset_handler= iscsi_eh_device_reset, .eh_target_reset_handler= iscsi_eh_target_reset, .use_clustering = DISABLE_CLUSTERING, + .slave_alloc = iscsi_tcp_slave_alloc, .slave_configure = iscsi_sw_tcp_slave_configure, .proc_name = "iscsi_tcp", .this_id = -1, -- 1.6.0.1