Received: by 2002:a05:6a10:f347:0:0:0:0 with SMTP id d7csp6457199pxu; Thu, 24 Dec 2020 02:57:14 -0800 (PST) X-Google-Smtp-Source: ABdhPJxfroO/16xHRJSDOGG+sM4buZJ8jlgBNaP6KPvO/cvlgy1astfGUUw9sybOqKtfuPB98/M4 X-Received: by 2002:a05:6402:1714:: with SMTP id y20mr27892228edu.2.1608807433819; Thu, 24 Dec 2020 02:57:13 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1608807433; cv=none; d=google.com; s=arc-20160816; b=TC0po5FEAeHtUXodylAtEoOpRW4uap+koAn0BTKtRO3an99Epi9FSO/zCsoZKuHDAM 0YkoHWrFbYEnM9YtSnLiDTlOYc6ZKIEc+zQOuEOhzYSBh5tVkabzXyWchs2tbbQeZB21 /01q7utEvkLreEO1jwE9mkHj9XbxNjtRnbq4JRqDsD3ypJZQEo/Lip8CkF3IrRjq0xJV DJG3eFalgJxcz9o9KuDtYF5raNHElHduwZz17HnPQyRqTA1rut0udGiovIDOGQ9Lt0Yb vNGRxZZTv9Py4j6y8fuQHk7l3nB+LXJj6GBXNG2a8Pn+uwzp8ugCPWGvG6Hneun7oCYe esFw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:cc:to:subject:message-id:date:from:in-reply-to :references:mime-version:dkim-signature:dkim-filter; bh=CvF15J5NeJnEF+2DGWEr8d6csci3mlIOMg1/dMqOafg=; b=ARA21xcC3k9GOhAocWZ87AH6k8/vNI57h2SS1TjKoK/ox5Ev+igwo+o9rHIqmnC1L/ A/1aQ9QsR1uIPWPWlo/CZ5QxvOROlqP3N/5YyOQ7BX5rw1aio5ad4Sj7SYoxmESZuXOd BcmSMpGn837Nmk6rEYjUzpc3hPXfnEPQjs4ykbN+qTh6cm+rS/zy8fVakTqWSWwSbmlK S+FPPitD4U1Y4Uus5w0zQwubJaXpEjR9wRvQJi38sot8Ds2Q8Zx4c3iV5aNjbnvaMbn0 EY1mJXbNAxiBhycIso3kItzal13nLg2JS5bvy6gjN0pfAceANS7l7SLGzcFL5X3kNmaZ hQJw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linux.microsoft.com header.s=default header.b=eyZtlxJQ; spf=pass (google.com: domain of linux-ext4-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-ext4-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linux.microsoft.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id z27si15765985edl.135.2020.12.24.02.56.44; Thu, 24 Dec 2020 02:57:13 -0800 (PST) Received-SPF: pass (google.com: domain of linux-ext4-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@linux.microsoft.com header.s=default header.b=eyZtlxJQ; spf=pass (google.com: domain of linux-ext4-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-ext4-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linux.microsoft.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727780AbgLXKy1 (ORCPT + 99 others); Thu, 24 Dec 2020 05:54:27 -0500 Received: from linux.microsoft.com ([13.77.154.182]:55612 "EHLO linux.microsoft.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727641AbgLXKy0 (ORCPT ); Thu, 24 Dec 2020 05:54:26 -0500 Received: from mail-pg1-f175.google.com (mail-pg1-f175.google.com [209.85.215.175]) by linux.microsoft.com (Postfix) with ESMTPSA id 173FC20B6C40 for ; Thu, 24 Dec 2020 02:53:45 -0800 (PST) DKIM-Filter: OpenDKIM Filter v2.11.0 linux.microsoft.com 173FC20B6C40 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.microsoft.com; s=default; t=1608807226; bh=CvF15J5NeJnEF+2DGWEr8d6csci3mlIOMg1/dMqOafg=; h=References:In-Reply-To:From:Date:Subject:To:Cc:From; b=eyZtlxJQyRzdeWm4UQalEtUMgMjBW4QyBHimAG3yBT+3QxdXzbBPuAO0QEMNgzYVo 1arw2nkR7+aHPsjzCAtjr44/cWu/CeiulVKcpxPjDp+HC1yN7PUbCHFycwpCzSn0UQ qe9eQG/PieQdXPrmQ5DENK95szX6yuV+Zsp2Iit4= Received: by mail-pg1-f175.google.com with SMTP id n25so1389184pgb.0 for ; Thu, 24 Dec 2020 02:53:45 -0800 (PST) X-Gm-Message-State: AOAM531UCS+gZGGeI14TgOR11b4VOVDyiVjzmZpZfXLVrKp/9idLrtjN 9mI8ErgNYIGbpYHej6O8naWlUzkdA6Hbev84VZk= X-Received: by 2002:a62:17d0:0:b029:19e:5cf9:a7f6 with SMTP id 199-20020a6217d00000b029019e5cf9a7f6mr27601591pfx.0.1608807225553; Thu, 24 Dec 2020 02:53:45 -0800 (PST) MIME-Version: 1.0 References: In-Reply-To: From: Matteo Croce Date: Thu, 24 Dec 2020 11:53:09 +0100 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: discard and data=writeback To: "Theodore Y. Ts'o" Cc: Ext4 Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-ext4@vger.kernel.org On Thu, Dec 24, 2020 at 4:16 AM Theodore Y. Ts'o wrote: > > On Wed, Dec 23, 2020 at 07:59:13PM +0100, Matteo Croce wrote: > > > > Hi, > > > > these are the blktrace outputs for both journaling modes: > > Can you send me full trace files (or the outputs of blkparse) so we > can see what's going on at a somewhat more granular detail? > > They'll be huge, so you may need to make them available for download > from a web server; certainly the vger.kernel.org list server isn't > going to let an attachment that large through. > Hi, I've created a GDrive link, it should work for everyone: https://drive.google.com/file/d/1b35hzgUMSnNBZeMNhooFk4rACpNvCZuQ/view?usp=sharing Cheers, -- per aspera ad upstream