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=-5.6 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,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 7C806C433E1 for ; Mon, 27 Jul 2020 20:30:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 595922075D for ; Mon, 27 Jul 2020 20:30:36 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="MJGDbb2F" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728654AbgG0Uag (ORCPT ); Mon, 27 Jul 2020 16:30:36 -0400 Received: from us-smtp-1.mimecast.com ([205.139.110.61]:52604 "EHLO us-smtp-delivery-1.mimecast.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726196AbgG0Uad (ORCPT ); Mon, 27 Jul 2020 16:30:33 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1595881832; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=hw5a11evQWNoZLcSM3PhrQFxwvQ8zctZnXM4jg3v0qk=; b=MJGDbb2FRAmIuqES8FHkphpqaUW/rdwNOAreMHv5tWqS2XJBtXtbpkKgL8ZgI0R5ozoRRl f1USM9zh4eFs1oSohcWX/ARYpktEAxjiKVxWzE3pKvDbQvIFhH8GKQosxye2eSvwjIicVQ qH7scPvX/oiklxTXyXlHVGeOtSrn74A= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-498-LgqPGVQYPI6kbodr6iBHuw-1; Mon, 27 Jul 2020 16:30:28 -0400 X-MC-Unique: LgqPGVQYPI6kbodr6iBHuw-1 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 2F1C11932480; Mon, 27 Jul 2020 20:30:27 +0000 (UTC) Received: from localhost (unknown [10.18.25.174]) by smtp.corp.redhat.com (Postfix) with ESMTPS id F31F410013D7; Mon, 27 Jul 2020 20:30:26 +0000 (UTC) Date: Mon, 27 Jul 2020 16:30:26 -0400 From: Mike Snitzer To: Sasha Levin Cc: John Donnelly , stable@vger.kernel.org, Linux Kernel Mailing List Subject: Re: (resend) [PATCH [linux-4.14.y]] dm cache: submit writethrough writes in parallel to origin and cache Message-ID: <20200727203025.GA28830@redhat.com> References: <37c5a615-655d-c106-afd0-54e03f3c0eef@oracle.com> <20200727150014.GA27472@redhat.com> <20200727191809.GI406581@sasha-vm> <20200727201700.GJ406581@sasha-vm> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200727201700.GJ406581@sasha-vm> User-Agent: Mutt/1.5.21 (2010-09-15) X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org On Mon, Jul 27 2020 at 4:17pm -0400, Sasha Levin wrote: > On Mon, Jul 27, 2020 at 02:38:52PM -0500, John Donnelly wrote: > > > > > >>On Jul 27, 2020, at 2:18 PM, Sasha Levin 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 > >> > >>Hm, what's the issue that this patch addresses? It's not clear from the > >>commit message. > >> > >>-- > >>Thanks, > >>Sasha > > > >HI Sasha , > > > >In an off-line conversation I had with Mike , he indicated that : > > > > > >commit 1b17159e52bb31f982f82a6278acd7fab1d3f67b > >Author: Mike Snitzer > >Date: Fri Feb 28 18:00:53 2020 -0500 > > > > dm bio record: save/restore bi_end_io and bi_integrity > > > > > >commit 248aa2645aa7fc9175d1107c2593cc90d4af5a4e > >Author: Mike Snitzer > >Date: Fri Feb 28 18:11:53 2020 -0500 > > > > dm integrity: use dm_bio_record and dm_bio_restore > > > > > >Were picked up in "stable" kernels picked up even though > >neither was marked for stable@vger.kernel.org > > > >Adding this missing commit : > > > >2df3bae9a6543e90042291707b8db0cbfbae9ee9 > > > > > >Completes the series > > Should we just revert those two commits instead if they're not needed? I'd be fine with that, exceept I haven't looked to see whether any other stable commits conflict with reverting them. But you have my blessing to give it a shot ;) Mike