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=-6.7 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,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 8F346C4338F for ; Mon, 23 Aug 2021 00:54:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 728F161262 for ; Mon, 23 Aug 2021 00:54:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230174AbhHWAzQ (ORCPT ); Sun, 22 Aug 2021 20:55:16 -0400 Received: from mail.kernel.org ([198.145.29.99]:40136 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234471AbhHWAzP (ORCPT ); Sun, 22 Aug 2021 20:55:15 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 56BF56115A; Mon, 23 Aug 2021 00:54:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1629680073; bh=vHoZptWC/8lGOS7N6F8lwLU19b+z8uaFjApu94S9n6I=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=oj+7eIBO4csEEEwzCEHM1lQnDrsFkjzEZ7M0rOwjZRN8vBv+AQ+VH9iYJBuwnBnyL N7bpHTSe0wJsyZvdZvdM5STxZQhFLelngow+S27C9GCfEDWKenXhkoS3NKyD+yjJos lhRnEvmhwDhSzdCZcTnh8QvxaVaqTvb92te51kuBW2oMD6e9y0m40V7RLWALrg7t4t eEzAnhwYnqQy1/AcVmhw8xfzhg5HroYeg84bfpEKdV9zW8V0zLrFDISOOg49LddUo+ 99Jxf24r8UBlFDmqCsacleea08znts9E2CQ330Vjg9lLi+Zkrfm3gQbVyD1igQGwuw yWbiL+JbBuP9A== Date: Sun, 22 Aug 2021 20:54:32 -0400 From: Sasha Levin To: Leah Rumancik Cc: stable@vger.kernel.org, miklos@szeredi.hu, Murphy Zhou , Miklos Szeredi Subject: Re: [PATCH] ovl: add splice file read write helper Message-ID: References: <20210820195929.1926705-1-leah.rumancik@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Disposition: inline In-Reply-To: <20210820195929.1926705-1-leah.rumancik@gmail.com> Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org On Fri, Aug 20, 2021 at 07:59:29PM +0000, Leah Rumancik wrote: >From: Murphy Zhou > >Now overlayfs falls back to use default file splice read >and write, which is not compatiple with overlayfs, returning >EFAULT. xfstests generic/591 can reproduce part of this. > >Tested this patch with xfstests auto group tests. > >[ Needed in 5.4 to fix a deadlock triggered via > xfstests overlay/019 -- Leah Rumancik ] I've queued this up for 5.4, thanks Leah. -- Thanks, Sasha