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=-10.1 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 5DE0CC433DF for ; Fri, 3 Jul 2020 05:17:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 35D05208FE for ; Fri, 3 Jul 2020 05:17:01 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=oracle.com header.i=@oracle.com header.b="JjjTKpLp" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726285AbgGCFRA (ORCPT ); Fri, 3 Jul 2020 01:17:00 -0400 Received: from aserp2120.oracle.com ([141.146.126.78]:53766 "EHLO aserp2120.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725779AbgGCFRA (ORCPT ); Fri, 3 Jul 2020 01:17:00 -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 0635D0nS190615; Fri, 3 Jul 2020 05:16:54 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=arddawxe/NarPsuArRlIV1nbKL4dlA3Ya1GT5IfE0IQ=; b=JjjTKpLpwZEvubDiFa5UmbuNbu0UEJ9tP3bP+8Lyw0FkUAwiPSeIIiaOZjoOeg9xTAyA iJp6M5NwafJtdK8b6zN0VMHPSWA66BKdpNGsf2AvkwYN9pJ00F7T5Q2a0BJqXevwW//P CRThfLAAgx0PZFBoycti3XxNubcIo+/DOu9fmqUOp8hfyLBvQAVQAt6sUhsPHecgZ7+Q X/o/ubCn9dfsHQeVG+7BLhu1Zdk1q3kBMDuNF6sddlEQVYQ8jVA9/NAAVi4o6NP5PFvS NAzkqE/iXsWzLi5+xNwfNsPv3NElbvKANHvjxdGMRc/izhMmTC8E3Dk8T4mV8ffY17KT Rg== Received: from aserp3030.oracle.com (aserp3030.oracle.com [141.146.126.71]) by aserp2120.oracle.com with ESMTP id 31xx1e8ppc-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Fri, 03 Jul 2020 05:16:54 +0000 Received: from pps.filterd (aserp3030.oracle.com [127.0.0.1]) by aserp3030.oracle.com (8.16.0.42/8.16.0.42) with SMTP id 0635CtQM017097; Fri, 3 Jul 2020 05:16:53 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by aserp3030.oracle.com with ESMTP id 31y52ns3ju-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 03 Jul 2020 05:16:53 +0000 Received: from abhmp0010.oracle.com (abhmp0010.oracle.com [141.146.116.16]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id 0635GqAG003089; Fri, 3 Jul 2020 05:16:52 GMT Received: from localhost.localdomain (/183.246.145.16) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Fri, 03 Jul 2020 05:16:51 +0000 From: Bob Liu To: linux-scsi@vger.kernel.org Cc: open-iscsi@googlegroups.com, martin.petersen@oracle.com, lduncan@suse.com, cleech@redhat.com, michael.christie@oracle.com, Bob Liu Subject: [PATCH] scsi: iscsi: register sysfs for workqueue iscsi_destroy Date: Fri, 3 Jul 2020 13:16:03 +0800 Message-Id: <20200703051603.1473-1-bob.liu@oracle.com> X-Mailer: git-send-email 2.9.5 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9670 signatures=668680 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 spamscore=0 phishscore=0 mlxscore=0 adultscore=0 suspectscore=1 bulkscore=0 malwarescore=0 mlxlogscore=999 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2004280000 definitions=main-2007030037 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9670 signatures=668680 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 bulkscore=0 clxscore=1015 adultscore=0 suspectscore=1 mlxlogscore=999 cotscore=-2147483648 lowpriorityscore=0 malwarescore=0 phishscore=0 impostorscore=0 mlxscore=0 spamscore=0 priorityscore=1501 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2004280000 definitions=main-2007030037 Sender: linux-scsi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org Register sysfs for workqueue iscsi_destroy, so that users can set cpu affinity through "cpumask" for this workqueue to get better isolation in cloud multi-tenant scenario. This patch unfolded create_singlethread_workqueue(), added WQ_SYSFS and drop __WQ_ORDERED_EXPLICIT since __WQ_ORDERED_EXPLICIT workqueue isn't allowed to change "cpumask". Suggested-by: Mike Christie Signed-off-by: Bob Liu --- drivers/scsi/scsi_transport_iscsi.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c index 7ae5024..aa8d4a3 100644 --- a/drivers/scsi/scsi_transport_iscsi.c +++ b/drivers/scsi/scsi_transport_iscsi.c @@ -4766,7 +4766,9 @@ static __init int iscsi_transport_init(void) goto release_nls; } - iscsi_destroy_workq = create_singlethread_workqueue("iscsi_destroy"); + iscsi_destroy_workq = alloc_workqueue("%s", + WQ_SYSFS | __WQ_LEGACY | WQ_MEM_RECLAIM | WQ_UNBOUND, + 1, "iscsi_destroy"); if (!iscsi_destroy_workq) { err = -ENOMEM; goto destroy_wq; -- 2.9.5