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=-0.9 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY autolearn=no 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 E61B8C34031 for ; Tue, 18 Feb 2020 05:24:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A175F20836 for ; Tue, 18 Feb 2020 05:24:09 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=oracle.com header.i=@oracle.com header.b="FWiDFcCP" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726109AbgBRFYG (ORCPT ); Tue, 18 Feb 2020 00:24:06 -0500 Received: from userp2130.oracle.com ([156.151.31.86]:44994 "EHLO userp2130.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725832AbgBRFYG (ORCPT ); Tue, 18 Feb 2020 00:24:06 -0500 Received: from pps.filterd (userp2130.oracle.com [127.0.0.1]) by userp2130.oracle.com (8.16.0.42/8.16.0.42) with SMTP id 01I5MnrX029163; Tue, 18 Feb 2020 05:24:00 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=to : cc : subject : from : references : date : in-reply-to : message-id : mime-version : content-type; s=corp-2020-01-29; bh=TddR7qB30mPYR7p5Yi3+qWtRT79PIQvMIX0zxYZaw2A=; b=FWiDFcCP0uC+10I/42eOgBotrrpg/F7VfQhY/euSSjGK2hqh8l3k+977zT9PdqEVXgKC NmeeS3zlb7s7+lf0DTnkx+I2XHr1HlhT09r66EKUetomnFpWNEEDF50qGS52zaoL3Akq 6tM43TdrRyqVJLIRwSt6RCt0kZB4KLhITjsj0h+uhLF/ovayMLzhmgbO0vXNdwV6OdMJ UIfZeg8MphqJXQZhCWaUqB36Ro3cVBenOB8iSpS5yaWBp4gdWzBghUOjDiT7AD00EfAj Bi/7P04JD9PYj/sqHHZjAKidSfIOfOZrONKCMd8XZqQAXtj5qNGWr6xHaw8YZbFn9iXn 0w== Received: from aserp3030.oracle.com (aserp3030.oracle.com [141.146.126.71]) by userp2130.oracle.com with ESMTP id 2y7aq5pb67-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 18 Feb 2020 05:24:00 +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 01I5MoWk013801; Tue, 18 Feb 2020 05:23:59 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by aserp3030.oracle.com with ESMTP id 2y82c0rf38-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 18 Feb 2020 05:23:59 +0000 Received: from abhmp0010.oracle.com (abhmp0010.oracle.com [141.146.116.16]) by userv0121.oracle.com (8.14.4/8.13.8) with ESMTP id 01I5NlU0002615; Tue, 18 Feb 2020 05:23:47 GMT Received: from ca-mkp.ca.oracle.com (/10.159.214.123) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Mon, 17 Feb 2020 21:23:47 -0800 To: Merlijn Wajer Cc: linux-scsi@vger.kernel.org, Merlijn Wajer , Jens Axboe , "James E.J. Bottomley" , "Martin K. Petersen" , Arnd Bergmann , linux-kernel@vger.kernel.org Subject: Re: [PATCH] scsi: sr: get rid of sr global mutex From: "Martin K. Petersen" Organization: Oracle Corporation References: <20200214135433.29448-1-merlijn@wizzup.org> Date: Tue, 18 Feb 2020 00:23:44 -0500 In-Reply-To: <20200214135433.29448-1-merlijn@wizzup.org> (Merlijn Wajer's message of "Fri, 14 Feb 2020 14:54:32 +0100") Message-ID: User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.1.92 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9534 signatures=668685 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 malwarescore=0 adultscore=0 phishscore=0 spamscore=0 suspectscore=0 mlxscore=0 mlxlogscore=890 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2001150001 definitions=main-2002180043 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9534 signatures=668685 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 mlxscore=0 impostorscore=0 adultscore=0 spamscore=0 priorityscore=1501 suspectscore=0 clxscore=1011 bulkscore=0 phishscore=0 mlxlogscore=960 lowpriorityscore=0 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2001150001 definitions=main-2002180043 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Merlijn, > When replacing the Big Kernel Lock in commit > 2a48fc0ab24241755dc93bfd4f01d68efab47f5a ("block: autoconvert trivial > BKL users to private mutex"), the lock was replaced with a sr-wide > lock. Applied to 5.7/scsi-queue, thanks! -- Martin K. Petersen Oracle Linux Engineering