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=-2.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 AAB90C54FC9 for ; Tue, 21 Apr 2020 15:26:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 943D1206D9 for ; Tue, 21 Apr 2020 15:26:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726403AbgDUP00 (ORCPT ); Tue, 21 Apr 2020 11:26:26 -0400 Received: from mail-pg1-f195.google.com ([209.85.215.195]:38433 "EHLO mail-pg1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725613AbgDUP00 (ORCPT ); Tue, 21 Apr 2020 11:26:26 -0400 Received: by mail-pg1-f195.google.com with SMTP id p8so6898645pgi.5; Tue, 21 Apr 2020 08:26:25 -0700 (PDT) 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=ZoAlc7VTUrpcd1kNRj5A6zpWc6WzY7omp1v+WZzPafQ=; b=hSiYE7XczJOQgiXTJ2saiTfIArhvg9pVRSWSojfu4bgpo4MRpHRU+k0tF4MBUescPV q4v1Oe5p6poH8Lb1ROcjjZKnVtfr3/K5TwG3I+RAwqGH6MIObioUsDCFUHQBriRklk+Q AdhOhW0L0JniBvo/za7a3QMz1ky5m+5nrahMqChaUdHwv5zLmOmkZ7P6BfXavF8D1fR6 5MeotPsLaNGWfKu7g9O83QAuUufoyLPD5lkBr+bAplEWryPth4WSe0alt835D/dOzY3T 6YZ9wmTJBp93Ha3Q11bTUQC6bdH+0TKAbJczfWvLSNeCKJZT/lmIgGXQcgzp/Vlx4tT7 9e4A== X-Gm-Message-State: AGi0Pubza+LXXWF1pKeF3SDxVeM4I8q7jBLxf4iMuUgQc2R/JV0V5nuR IpIzh7ocsdQATivqVAfhLxk= X-Google-Smtp-Source: APiQypL5ML0n0kEj+B/B+d1l8zNw3oKHsp8jcJEG7P50+2EB0m6PFrXSZF/3mUr25jP9R7X1nVFgOA== X-Received: by 2002:a63:610a:: with SMTP id v10mr1533278pgb.49.1587482785367; Tue, 21 Apr 2020 08:26:25 -0700 (PDT) Received: from [100.124.9.192] ([104.129.199.3]) by smtp.gmail.com with ESMTPSA id y10sm2719929pfb.53.2020.04.21.08.26.23 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 21 Apr 2020 08:26:24 -0700 (PDT) Subject: Re: [PATCH 1/4] loop: Refactor size calculation. To: Martijn Coenen Cc: Jens Axboe , Christoph Hellwig , Ming Lei , Narayan Kamath , Zimuzo Ezeozue , kernel-team@android.com, linux-block , LKML , Martijn Coenen , Chaitanya Kulkarni , Jaegeuk Kim References: <20200420080409.111693-1-maco@android.com> <20200420080409.111693-2-maco@android.com> From: Bart Van Assche Message-ID: <398b9d9e-bb7c-6b95-4766-3e9bf2769a61@acm.org> Date: Tue, 21 Apr 2020 08:26:22 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.6.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 4/21/20 4:48 AM, Martijn Coenen wrote: > On Mon, Apr 20, 2020 at 3:22 PM Bart Van Assche wrote: >> Please also change the "kill_bdev should have truncated all the pages" >> comment into something like "return -EAGAIN if any pages have been >> dirtied after kill_bdev() returned". > > Sure - would you prefer this to be in a separate change? Since the comment "kill_bdev should have truncated all the pages" has to be moved, I think that it's fine to integrate the fix for that comment in this patch. Thanks, Bart.