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=-4.1 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS 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 9AEB9C433DF for ; Wed, 5 Aug 2020 20:00:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 743822076E for ; Wed, 5 Aug 2020 20:00:30 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=kroah.com header.i=@kroah.com header.b="qCAPACnq"; dkim=pass (2048-bit key) header.d=messagingengine.com header.i=@messagingengine.com header.b="Wv4ZOY50" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728877AbgHEUA3 (ORCPT ); Wed, 5 Aug 2020 16:00:29 -0400 Received: from out4-smtp.messagingengine.com ([66.111.4.28]:58675 "EHLO out4-smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727037AbgHEQlR (ORCPT ); Wed, 5 Aug 2020 12:41:17 -0400 Received: from compute1.internal (compute1.nyi.internal [10.202.2.41]) by mailout.nyi.internal (Postfix) with ESMTP id 2B1675C0113; Wed, 5 Aug 2020 10:29:32 -0400 (EDT) Received: from mailfrontend2 ([10.202.2.163]) by compute1.internal (MEProxy); Wed, 05 Aug 2020 10:29:32 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kroah.com; h= date:from:to:cc:subject:message-id:references:mime-version :content-type:in-reply-to; s=fm1; bh=WMH703/icl+g+SDICao7QykLwpJ Pkv9C/m00aprnqTU=; b=qCAPACnqHleCkcqeQUN/NDzABpKK1PLK/ErTMdVz2l1 NKJWt6Hbgvz33ckRbbE1GfsrxlXCjUUV+ehDFZdWxAAqg87OBZTjUmf3j5PMtR0G bzaioVR36j5CVGvsPZYrvc/MRLgdA+wOpevkFrM9yDmeuPoh1nibXC9Sj+2tByxo uH5aS6rhFcZMUYY/j4G3tHmI+bjkdmKtgoFGi22HAUnyPZrKmIg5bVSirKcoWR6g e54WJdM+A03CW0ODcrW0BAgzmpsd3zDddFLKT/1MjkMLlvr+hWBzdAf6GHUgL4oi NTK24lTaL6LE/v1SpV/al7iaW5DCQXFdXCRGeKYEHIQ== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to:x-me-proxy :x-me-proxy:x-me-sender:x-me-sender:x-sasl-enc; s=fm3; bh=WMH703 /icl+g+SDICao7QykLwpJPkv9C/m00aprnqTU=; b=Wv4ZOY50oBBsV8leAreoOK tBylc08xH9Wb6L7/hMoseXOwlTpFMTZkqiY+nCsBHK6Fq9CqWxGZh4cmKNkmx/dU 0LFXe0OOXXZI9Ez07tH1ZhsVoS21cvkqafm/uLzltammTjWJJX+LpVX+az1z6xlK SluZk5FXlg359pxQtaW5jSEh8t+RRKFh7NuG+3wCL4AyjSk/EGTjL4BdLZiAMIcV /mNQeQPNYH3Fn09MqGEXmcQwDnv1BEUq3LYSINcjBeSIAzKwF+g/ktcESXWudC+l HjKDqBRDBRLznz87sLPuNc+dynjcp6384GQzOo3MrQVl9eY4OOl2R9KDr5uXJDEg == X-ME-Sender: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgeduiedrjeekgdejlecutefuodetggdotefrodftvf curfhrohhfihhlvgemucfhrghsthforghilhdpqfgfvfdpuffrtefokffrpgfnqfghnecu uegrihhlohhuthemuceftddtnecusecvtfgvtghiphhivghnthhsucdlqddutddtmdenuc fjughrpeffhffvuffkfhggtggujgesthdtredttddtvdenucfhrhhomhepifhrvghgucfm jfcuoehgrhgvgheskhhrohgrhhdrtghomheqnecuggftrfgrthhtvghrnhepveeuheejgf ffgfeivddukedvkedtleelleeghfeljeeiueeggeevueduudekvdetnecukfhppeekfedr keeirdekledruddtjeenucevlhhushhtvghrufhiiigvpedtnecurfgrrhgrmhepmhgrih hlfhhrohhmpehgrhgvgheskhhrohgrhhdrtghomh X-ME-Proxy: Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) by mail.messagingengine.com (Postfix) with ESMTPA id 471B0306005F; Wed, 5 Aug 2020 10:29:30 -0400 (EDT) Date: Wed, 5 Aug 2020 16:29:46 +0200 From: Greg KH To: Jan Kara Cc: stable@vger.kernel.org, tytso@mit.edu, adilger.kernel@dilger.ca, linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org, wanglong19@meituan.com, heguanjun@meituan.com, Jiang Ying Subject: Re: [PATCH v4] ext4: fix direct I/O read error Message-ID: <20200805142946.GA2154236@kroah.com> References: <1596614241-178185-1-git-send-email-jiangying8582@126.com> <20200805085107.GC4117@quack2.suse.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200805085107.GC4117@quack2.suse.cz> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Aug 05, 2020 at 10:51:07AM +0200, Jan Kara wrote: > Note to stable tree maintainers (summary from the rather long changelog): > This is a non-upstream patch. It will not go upstream because the problem > there has been fixed by converting ext4 to use iomap infrastructure. > However that change is out of scope for stable kernels and this is a > minimal fix for the problem that has hit real-world applications so I think > it would be worth it to include the fix in stable trees. Thanks. Thanks for the note, I wouldn't have noticed it otherwise :) greg k-h