From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A515CC2BA19 for ; Thu, 16 Apr 2020 02:26:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7B82D2076A for ; Thu, 16 Apr 2020 02:26:09 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=oracle.com header.i=@oracle.com header.b="GrYDJ9nz" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732712AbgDPCZ4 (ORCPT ); Wed, 15 Apr 2020 22:25:56 -0400 Received: from aserp2120.oracle.com ([141.146.126.78]:41004 "EHLO aserp2120.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731406AbgDPCZx (ORCPT ); Wed, 15 Apr 2020 22:25:53 -0400 Received: from pps.filterd (aserp2120.oracle.com [127.0.0.1]) by aserp2120.oracle.com (8.16.0.42/8.16.0.42) with SMTP id 03G2OJ89195854 for ; Thu, 16 Apr 2020 02:25:50 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=from : to : cc : subject : date : message-id; s=corp-2020-01-29; bh=hEQhncM1KM0DM7lGK8kRU3rQ9NjJO+Q5ht1S6rjIAmQ=; b=GrYDJ9nzwMLWvEuiyQHuj0qZAvUDSRC/d0sfYCi2zOSX/KR96tKruolZ0F7C8jurtPG9 zAyg9TIxJj5WcAi2fdoS94obb27SeEnMAYvPVK7C5dUpFebLZbs1Co3N34yzMm9DFu3p MWJGbUI1nqFa0iP1yCcWyneE/YrZ1VUJhj9YuMRiLuxWSBfAFjEMWkVpfi03kNW7HknV cwmeoEIDqQgj0qCkn8jA20zqfRYZFsl+WBeLVRfgvdOrmCIBYB+B5Dwb2VqI29gxBZCN rJ44FdSsGOMMhsVzrxP0Oueb/y3sP2LmGYaGLXXEV5HwilIN2MlokxsJAb8QwwojGJxf +A== Received: from userp3020.oracle.com (userp3020.oracle.com [156.151.31.79]) by aserp2120.oracle.com with ESMTP id 30dn95psf5-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Thu, 16 Apr 2020 02:25:50 +0000 Received: from pps.filterd (userp3020.oracle.com [127.0.0.1]) by userp3020.oracle.com (8.16.0.42/8.16.0.42) with SMTP id 03G2N4pH042858 for ; Thu, 16 Apr 2020 02:25:49 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by userp3020.oracle.com with ESMTP id 30dyvg9y53-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Thu, 16 Apr 2020 02:25:49 +0000 Received: from abhmp0013.oracle.com (abhmp0013.oracle.com [141.146.116.19]) by userv0121.oracle.com (8.14.4/8.13.8) with ESMTP id 03G2PmZu027966 for ; Thu, 16 Apr 2020 02:25:48 GMT Received: from localhost.localdomain (/114.88.246.185) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Wed, 15 Apr 2020 19:25:48 -0700 From: Bob Liu To: linux-scsi@vger.kernel.org Cc: martin.petersen@oracle.com, Bob Liu Subject: [PATCH] scsi: iscsi: register sysfs for iscsi workqueue Date: Thu, 16 Apr 2020 10:25:26 +0800 Message-Id: <20200416022526.21781-1-bob.liu@oracle.com> X-Mailer: git-send-email 2.9.5 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9592 signatures=668686 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 spamscore=0 phishscore=0 bulkscore=0 mlxscore=0 adultscore=0 malwarescore=0 mlxlogscore=999 suspectscore=3 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2003020000 definitions=main-2004160011 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9592 signatures=668686 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 adultscore=0 clxscore=1011 malwarescore=0 bulkscore=0 priorityscore=1501 lowpriorityscore=0 mlxscore=0 phishscore=0 spamscore=0 impostorscore=0 suspectscore=3 mlxlogscore=999 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2003020000 definitions=main-2004160011 Sender: linux-scsi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org Then users can set cpu affinity through "cpumask" for iscsi workqueues, so as to get performance isolation. Signed-off-by: Bob Liu --- drivers/scsi/libiscsi.c | 4 +++- drivers/scsi/scsi_transport_iscsi.c | 3 ++- 2 files changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c index 70b99c0..588c68a 100644 --- a/drivers/scsi/libiscsi.c +++ b/drivers/scsi/libiscsi.c @@ -2627,7 +2627,9 @@ struct Scsi_Host *iscsi_host_alloc(struct scsi_host_template *sht, if (xmit_can_sleep) { snprintf(ihost->workq_name, sizeof(ihost->workq_name), "iscsi_q_%d", shost->host_no); - ihost->workq = create_singlethread_workqueue(ihost->workq_name); + ihost->workq = alloc_ordered_workqueue("%s", + WQ_SYSFS | __WQ_LEGACY | WQ_MEM_RECLAIM, + ihost->workq_name); if (!ihost->workq) goto free_host; } diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c index dfc726f..1370dd7 100644 --- a/drivers/scsi/scsi_transport_iscsi.c +++ b/drivers/scsi/scsi_transport_iscsi.c @@ -4602,7 +4602,8 @@ static __init int iscsi_transport_init(void) goto unregister_flashnode_bus; } - iscsi_eh_timer_workq = create_singlethread_workqueue("iscsi_eh"); + iscsi_eh_timer_workq = alloc_ordered_workqueue("%s", + WQ_SYSFS | __WQ_LEGACY | WQ_MEM_RECLAIM, "iscsi_eh"); if (!iscsi_eh_timer_workq) { err = -ENOMEM; goto release_nls; -- 2.9.5