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=-5.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,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 AE86BC433E1 for ; Tue, 30 Jun 2020 13:54:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7DD8420722 for ; Tue, 30 Jun 2020 13:54:53 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=kernel-dk.20150623.gappssmtp.com header.i=@kernel-dk.20150623.gappssmtp.com header.b="DTpxaxoB" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732826AbgF3Nyv (ORCPT ); Tue, 30 Jun 2020 09:54:51 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48246 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729071AbgF3Nyt (ORCPT ); Tue, 30 Jun 2020 09:54:49 -0400 Received: from mail-pl1-x642.google.com (mail-pl1-x642.google.com [IPv6:2607:f8b0:4864:20::642]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A6A77C061755 for ; Tue, 30 Jun 2020 06:54:49 -0700 (PDT) Received: by mail-pl1-x642.google.com with SMTP id x11so8501834plo.7 for ; Tue, 30 Jun 2020 06:54:49 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel-dk.20150623.gappssmtp.com; s=20150623; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=hKI90P9PUUShWQ5+4wQBc7xPIwXEAfQYKEsGh1MpJZs=; b=DTpxaxoBrlqgFtIm8yAQMb341OyK/ndjEYjXK9tGbhGBwisW4MOxBHZ4AF4FDA/02m FE1IEvNVNRcPVI4EfkzNjyzKc28vzwvcAXCPa48q88z6AfYJyEqtZavoB08GtaqwIFmZ 5msOaC6bHwT4f6NJcL2N48MYAird2/Xlj5iei4yfkZKl2Jgrru0q2OyYJkjRAMbDQ2kB VDXDrxP8KF6sFSMpn3AGotfAimtzX2YLcVXjs0JutM1wEqD7nRFwq0bLMjlwHPYp5odZ e+66w2vtmERdrhz2mTHMd0mWQ0ZRTEcZzcd3acmnQYyNunRekXJ4MMVmPw5lJJ2ybCJv oP4Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=hKI90P9PUUShWQ5+4wQBc7xPIwXEAfQYKEsGh1MpJZs=; b=Af/LB6JKr3Alikm3pmKHiz7iDLyxDbhr4kbGKXNEmbnz274otxdDmGiQdlOVMA2smB TMfSxRVuGsi9dHhFbtNybIxmy/hyUBNQbfeQztI1NzmaooAaXUXJ+DgRKU7jW+4co4NH GSHoTmVIxEm8wJ/lV3Ekx9hQyUpbkFv78ybUaf63MoBf5o2EXH4OnbMu63l81wXcq1td 20W1HOVj0L8VZp6eWi9yf9onklxc9y7wL/CWE9JZafcVhwhZY6jPYgJGyEflpni43rHu YCTW6xgSLrRj/hKeiSU3ldo36ZkrBWmRfjLpej6yKlZt4dbTVUp17lpH1taQlWBX/Njy C5cA== X-Gm-Message-State: AOAM530F3CfNtvibUai32JDuCdiezPxwxo1SKnP21fzG/1MQx/y6RD9S SfccdyZlxGyBpkMTujwLwHMMeNHpc3d87g== X-Google-Smtp-Source: ABdhPJyz40Dk+a8U1c/CjzUO1QAZkxXoTvB1Z5x2Pa5jkubAyLo6SdeOcTzcPuLBVyj9atcxDTr0Bg== X-Received: by 2002:a17:902:ff0c:: with SMTP id f12mr18122209plj.254.1593525289171; Tue, 30 Jun 2020 06:54:49 -0700 (PDT) Received: from ?IPv6:2605:e000:100e:8c61:4113:50ea:3eb3:a39b? ([2605:e000:100e:8c61:4113:50ea:3eb3:a39b]) by smtp.gmail.com with ESMTPSA id l12sm2722675pff.212.2020.06.30.06.54.47 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 30 Jun 2020 06:54:48 -0700 (PDT) Subject: Re: [PATCH 11/20] fs: remove a weird comment in submit_bh_wbc To: Christoph Hellwig Cc: dm-devel@redhat.com, linux-kernel@vger.kernel.org, linux-m68k@lists.linux-m68k.org, linux-xtensa@linux-xtensa.org, drbd-dev@lists.linbit.com, linuxppc-dev@lists.ozlabs.org, linux-bcache@vger.kernel.org, linux-raid@vger.kernel.org, linux-nvdimm@lists.01.org, linux-nvme@lists.infradead.org, linux-s390@vger.kernel.org References: <20200629193947.2705954-1-hch@lst.de> <20200629193947.2705954-12-hch@lst.de> From: Jens Axboe Message-ID: <70e8de25-4e26-9c00-1492-e433ebfdbc90@kernel.dk> Date: Tue, 30 Jun 2020 07:54:46 -0600 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.8.0 MIME-Version: 1.0 In-Reply-To: <20200629193947.2705954-12-hch@lst.de> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-bcache-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-bcache@vger.kernel.org Message-ID: <20200630135446.F3zwMFZp7uGTiyiQgHtbAWOxHZeCim1fxBvvSsWXsso@z> On 6/29/20 1:39 PM, Christoph Hellwig wrote: > All bios can get remapped if submitted to partitions. No need to > comment on that. I'm pretty sure that comment is from me, dating back to when the bio code was introduced in 2001. The point wasn't the remapping, just that from here on down the IO was purely bio based, not buffer_heads. Anyway, totally agree that it should just die, it's not that interesting or useful anymore. -- Jens Axboe