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=-6.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 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 C32B6C433DF for ; Wed, 29 Jul 2020 23:45:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9DBB62074B for ; Wed, 29 Jul 2020 23:45:53 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=oracle.com header.i=@oracle.com header.b="e7BeT72i" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727115AbgG2Xpx (ORCPT ); Wed, 29 Jul 2020 19:45:53 -0400 Received: from userp2120.oracle.com ([156.151.31.85]:47238 "EHLO userp2120.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726876AbgG2Xpx (ORCPT ); Wed, 29 Jul 2020 19:45:53 -0400 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 06TNcHW0155864; Wed, 29 Jul 2020 23:45:49 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=subject : to : cc : references : from : message-id : date : mime-version : in-reply-to : content-type : content-transfer-encoding; s=corp-2020-01-29; bh=4vcgnr5eAgcF2LE8tun+6DGHCSCSV2Mi6qpXUFIm8C0=; b=e7BeT72iVO1LKsBXMYkADGU6On7OMfkKNWjhqa4Imj1IyHs5IVlMyBvfIvsAoZenolkE gDuw4bXUFWU5l9JnGyBLqSYTyd9cqrL50ILgflJatj/nFIKpfxpyXLIBEisfgi3AC7Ih cY4+gPitOH/C3Vyb5FWU+dzBZCLYZRSL0isNBx+3SO8uJ6WNpcnu7gUbm2zvvegfKRQG RY87UCXXpbJLOIY4ME/5MZzHLQFXMil68G3TNF+Q62C+9IVELgWPfm0/net+0Jl+Jqj1 Dah6LlMaVJgKh8h2EsgIHTm0BezFyIDK9WHVRpeTN3P9a8qymFqpUMfjdhjSTXuIztVL xg== Received: from userp3020.oracle.com (userp3020.oracle.com [156.151.31.79]) by userp2120.oracle.com with ESMTP id 32hu1jrpqc-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Wed, 29 Jul 2020 23:45:49 +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 06TNcdEG133121; Wed, 29 Jul 2020 23:45:48 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by userp3020.oracle.com with ESMTP id 32hu5vsdmc-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 29 Jul 2020 23:45:48 +0000 Received: from abhmp0004.oracle.com (abhmp0004.oracle.com [141.146.116.10]) by aserv0122.oracle.com (8.14.4/8.14.4) with ESMTP id 06TNjlNj019183; Wed, 29 Jul 2020 23:45:47 GMT Received: from [192.168.1.106] (/47.220.71.223) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Wed, 29 Jul 2020 16:45:47 -0700 Subject: Re: (resend) [PATCH [linux-4.14.y]] dm cache: submit writethrough writes in parallel to origin and cache To: Mike Snitzer , Greg KH Cc: stable@vger.kernel.org, Linux Kernel Mailing List References: <37c5a615-655d-c106-afd0-54e03f3c0eef@oracle.com> <20200727150014.GA27472@redhat.com> <20200729115119.GB2674635@kroah.com> <20200729115557.GA2799681@kroah.com> <20200729141607.GA7215@redhat.com> From: John Donnelly Message-ID: <851f749a-5c92-dcb1-f8e4-95b4434a1ec4@oracle.com> Date: Wed, 29 Jul 2020 18:45:46 -0500 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <20200729141607.GA7215@redhat.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9697 signatures=668679 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 adultscore=0 phishscore=0 bulkscore=0 malwarescore=0 suspectscore=0 spamscore=0 mlxlogscore=999 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2006250000 definitions=main-2007290161 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9697 signatures=668679 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 clxscore=1011 mlxlogscore=999 malwarescore=0 impostorscore=0 priorityscore=1501 spamscore=0 phishscore=0 suspectscore=0 bulkscore=0 mlxscore=0 lowpriorityscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2006250000 definitions=main-2007290161 Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org On 7/29/20 9:16 AM, Mike Snitzer wrote: > On Wed, Jul 29 2020 at 7:55am -0400, > Greg KH wrote: > >> On Wed, Jul 29, 2020 at 01:51:19PM +0200, Greg KH wrote: >>> On Mon, Jul 27, 2020 at 11:00:14AM -0400, Mike Snitzer wrote: >>>> This mail needs to be saent to stable@vger.kernel.org (now cc'd). >>>> >>>> Greg et al: please backport 2df3bae9a6543e90042291707b8db0cbfbae9ee9 >>> >>> Now backported, thanks. >> >> Nope, it broke the build, I need something that actually works :) >> > > OK, I'll defer to John Donnelly to get back with you (and rest of > stable@). He is more invested due to SUSE also having this issue. I > can put focus to it if John cannot sort this out. > > Mike > Hi. Thank you for reaching out. What specifically is broken? . If it that applying 2df3bae9a6543e90042291707b8db0cbfbae9ee9 to 4.14.y is failing? JD.