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=-2.3 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, 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 5DF0FC433B4 for ; Sat, 24 Apr 2021 22:56:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 309A26115B for ; Sat, 24 Apr 2021 22:56:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229882AbhDXW5G (ORCPT ); Sat, 24 Apr 2021 18:57:06 -0400 Received: from mout.gmx.net ([212.227.17.22]:33241 "EHLO mout.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229687AbhDXW5G (ORCPT ); Sat, 24 Apr 2021 18:57:06 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.net; s=badeba3b8450; t=1619304982; bh=9AJMaeHHMwjwSRqsBtGIdLzx1lrBxO44AMn1R8FdMoM=; h=X-UI-Sender-Class:Subject:To:References:From:Date:In-Reply-To; b=XA/PJB8IosEjIdBL69LooDY69VcgfNELYqj1rmtMd4QdumABX0z1ExMFDC+37a0nl wlse2gueY4gu8eP7Nz0iiNi3JKeBglEvJlyBVC+4b+O+obdPeLZRzv/Es5j9hVBNDJ KlMMjK2vqW9uEQkreK2ngSHpYxGAAoAvrL9ZrIUY= X-UI-Sender-Class: 01bb95c1-4bf8-414a-932a-4f6e2808ef9c Received: from [0.0.0.0] ([149.28.201.231]) by mail.gmx.net (mrgmx105 [212.227.17.174]) with ESMTPSA (Nemesis) id 1MVvLB-1m03EW2ryP-00Rrtc; Sun, 25 Apr 2021 00:56:22 +0200 Subject: Re: Access Beyond End of Device & Input/Output Errors To: chainofflowers , Forza , linux-btrfs@vger.kernel.org, Justin.Brown@fandingo.org, Qu Wenruo References: <5975832.dRgAyDc8OP@luna> <1706720.PQSuIbNzif@luna> From: Qu Wenruo Message-ID: Date: Sun, 25 Apr 2021 06:56:17 +0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.9.1 MIME-Version: 1.0 In-Reply-To: <1706720.PQSuIbNzif@luna> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:TO/kdYgjulr+o36rP4cy8QPkFd7e0h7sKbu0NwgvGOqlRlo2rS9 g+ffYS1Oam9mwZ7sN9eLYZFJn9MJ7YTaMMw5/Af6sR4p7CWQmiLnNm/Nf72SNzUFQKdW4wW iLvRvh3ajvAfPRF1NTbO0Jxp23Ew6WylXcCcH9WzPOsr40SycbIi/nZOlWM8PolekhiOGRJ uOkfZhXllK2Fo8HffnW0g== X-UI-Out-Filterresults: notjunk:1;V03:K0:7qPw90IfmTc=:mz9czEB5Ww2hosrAbfj+DX WG7rSDZTlQKjyLbtfI/VVxxX3cvIuG+zH2ISTyO2doiWbEftWdfhfXNJcZ1uvbYdzrSPc4OAw JuEhXajimk5UlZtQvAzlWzj3Fcev0hncXMAiQUcH5uxBfWE+5Btx8MwOofd5kdsGnRbCdPn4+ JlkFPYv0FG9C+2OmzQe7HetKiFCZXTfi/UYUrA+0R2ny6CWT1AAp+qNU1Kd4iv51w88rx3erw CuiLZ+u09tW+EpBsYOxHY/UFh13wLIfW25/MUH4nlEmQ0jXOExJuFhLX0VcnLyTBXEAVd3aDl ZY2M+Zbs1WeC/p1XozsvvhH+6WC9Apm1PI3F37eH68/VDoVkdmyjPJH5TjLNgolwjAdbb27lE qErDf+CGeX8VBztpnc2KSVintwz3Zz9+RboBnoR0Nc86VQmej3CkmpE/3gUcFEafdhjj6Ypre E2fofOgAslxIYefsg6wjisUeMZFg4ZVRtkN25cPEk7jX9Zlk4M7jCsS/kFvowfQStcfX7JPnB JEVY3I0LtBM1cucqPwkfyufhamQQwOqZvZCoUG2z0OLutiUhqW4bM+uc/HqRGiZYzODdehxtI te81xpV4tVbPyTrfEJzMqdfDIswOs8crK8/wl63kBS/+c2KSe9sKTY30jPvQVL3EV0nqKi8/u YinG9/UBs3iOWcINFgeFvNjmSbpUftessXeiCGdzW8LdpgIAUBxpn6kf+eddDxB4aNk1y+RqA HD6ERgcNuDCHrQSN/mE0sINGdLX/0WFx0Lo9QEMXoYczls2ykGRdvEIZiMZ0nsfpEeebZpxMT iVcUqiYliAXo+akNeHUUctnBACv7jtuatwm8/8ao+j+YylTSb/0ApogStS3PVya+JVfeQPvUk m9aQYDWmZKcFXCH2vfSlcj8LO83h/Ei7o+KKGvOPZ1IZJWNxry9Ih1sNxc/k7DdOwLPjF5kBH L35Tfw1UGA7n5dgRtagGHrenDIBOm7DPjnR/1Da+jI9T5VdMIQ1Y79l/szOGKNvSKroe/pKbv Cyw36p0jhk2c5JRsDYK+YP91MT/lvkt7eywcA9fqSxSUaY3eM2IFvElQHoUbq4bTUVDtAGi0x Z8i4ousEyhzsgHTqREMPzEHexLmrBQhp17XqKXCwp5ZDmIr8spYsEIpYxJ6B0r72fUAAUuHgv +3zpFrvEzOshiHwJCCtd81YvjMumWwzE5ChRZAHavNSqvP6NHGTa1NmJhH9TMsA4r/YEkuYAA x3Z6aKlEvYI8v6xE6 Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org On 2021/4/24 =E4=B8=8B=E5=8D=8810:13, chainofflowers wrote: > On Samstag, 24. April 2021 02:25 Qu Wenruo wrote: >> But if that's the case, btrfs-check should be able to report such >> problem from the very beginning. > > btrfs check was only reporting that "the cache would have been invalidat= ed", I > don't know if that was enough to suggest that a cache clear was needed. That means the cache generation is not matching super block generation. Kernel is good enough to detect such case and ignore the cache. I > assumed it would have done it automatically the next time the volume was > mounted, that's why I didn't clean it... "pro-actively". > > Could "clear-ino-cache" have helped, or not at all? ino-cache is a feature that is mostly deprecated, and no known real-world usage. Thanks, Qu > > > (c) >