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=-3.9 required=3.0 tests=BAYES_00,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 1B2FEC55ABD for ; Wed, 11 Nov 2020 16:53:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id AB919206FB for ; Wed, 11 Nov 2020 16:53:40 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=oracle.com header.i=@oracle.com header.b="exGX3C0q" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727480AbgKKQxj (ORCPT ); Wed, 11 Nov 2020 11:53:39 -0500 Received: from userp2120.oracle.com ([156.151.31.85]:55940 "EHLO userp2120.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725979AbgKKQxi (ORCPT ); Wed, 11 Nov 2020 11:53:38 -0500 Received: from pps.filterd (userp2120.oracle.com [127.0.0.1]) by userp2120.oracle.com (8.16.0.42/8.16.0.42) with SMTP id 0ABGjcP7055598; Wed, 11 Nov 2020 16:53:12 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=to : cc : subject : from : message-id : references : date : in-reply-to : mime-version : content-type; s=corp-2020-01-29; bh=rtr9ZwfifFQUB6Xm7rE6zrQB75duW4A6ZUujJWOIcy0=; b=exGX3C0qT4hc/xlWa/AIm9ktJgo3Z//a0o4mVgKdeKGmGA/eaFYoQbi800neiStHpB4e tFsrnOWmxAuossvNG8Pw+BxUWop8xMBSCqnr7z/BRW8uJVoZbgurNkL3ZGrwGHzwfuA4 Gs7RSMJIhJKB1v4bnboh+uSU+6W4DiMcXMh1h5xVZ0dpa9hpH3Rl5ykPpFR0of3rZSoX +jIlTtURtYo1Dq5KH+0vEOfFvvvdWfCnug14v78NOiYUPi1u0vBpnSjlcACdYBGweMr2 1yEDh9l2TA2MZkJqrSGrANe41/rwZrW/lu4+bGwkBt467AYodHuM5qVxksGh9ZXr0qZt /A== Received: from aserp3020.oracle.com (aserp3020.oracle.com [141.146.126.70]) by userp2120.oracle.com with ESMTP id 34p72er0e1-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Wed, 11 Nov 2020 16:53:11 +0000 Received: from pps.filterd (aserp3020.oracle.com [127.0.0.1]) by aserp3020.oracle.com (8.16.0.42/8.16.0.42) with SMTP id 0ABGitBl102834; Wed, 11 Nov 2020 16:53:11 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by aserp3020.oracle.com with ESMTP id 34p5g1x6bh-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 11 Nov 2020 16:53:11 +0000 Received: from abhmp0002.oracle.com (abhmp0002.oracle.com [141.146.116.8]) by userv0121.oracle.com (8.14.4/8.13.8) with ESMTP id 0ABGr6tR015124; Wed, 11 Nov 2020 16:53:07 GMT Received: from ca-mkp.ca.oracle.com (/10.159.214.123) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Wed, 11 Nov 2020 08:53:05 -0800 To: Christoph Hellwig Cc: "Martin K. Petersen" , Jens Axboe , Ilya Dryomov , Song Liu , Miquel Raynal , Richard Weinberger , Vignesh Raghavendra , Stefan Haberland , Jan Hoeppner , linux-block@vger.kernel.org, ceph-devel@vger.kernel.org, linux-bcache@vger.kernel.org, linux-raid@vger.kernel.org, linux-mtd@lists.infradead.org, linux-s390@vger.kernel.org Subject: Re: [PATCH, RFC 11/10] block: propagate BLKROSET to all partitions From: "Martin K. Petersen" Organization: Oracle Corporation Message-ID: References: <20201106140817.GA23557@lst.de> <20201111080334.GA23062@lst.de> Date: Wed, 11 Nov 2020 11:53:02 -0500 In-Reply-To: <20201111080334.GA23062@lst.de> (Christoph Hellwig's message of "Wed, 11 Nov 2020 09:03:34 +0100") MIME-Version: 1.0 Content-Type: text/plain X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9802 signatures=668682 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 mlxscore=0 spamscore=0 malwarescore=0 adultscore=0 phishscore=0 bulkscore=0 mlxlogscore=999 suspectscore=1 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2011110099 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9802 signatures=668682 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 bulkscore=0 mlxlogscore=999 mlxscore=0 malwarescore=0 suspectscore=1 lowpriorityscore=0 adultscore=0 phishscore=0 priorityscore=1501 spamscore=0 impostorscore=0 clxscore=1015 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2011110099 Precedence: bulk List-ID: X-Mailing-List: linux-bcache@vger.kernel.org Christoph, > I actually think your patch that goes further is the right thing to > do, and I was going to look into something similar for a problem with > hardware read-only namespaces in NVMe. I think I'll take your patch > as a starting point and will work from there. Sounds good! I still have the blktests in a branch. Will adjust and resubmit once you post your rework. -- Martin K. Petersen Oracle Linux Engineering