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=-13.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=ham 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 D2A83C4338F for ; Wed, 11 Aug 2021 03:03:19 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id AFF3D60462 for ; Wed, 11 Aug 2021 03:03:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232761AbhHKDDl (ORCPT ); Tue, 10 Aug 2021 23:03:41 -0400 Received: from mail.kernel.org ([198.145.29.99]:41734 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231967AbhHKDDf (ORCPT ); Tue, 10 Aug 2021 23:03:35 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 88BAB60E78; Wed, 11 Aug 2021 03:03:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1628650992; bh=ettOy+VFNs6f4ibXirUSZ/2TBEWAHyC8CfuGfsHZ0JE=; h=Subject:To:References:From:Date:In-Reply-To:From; b=kVIb7Q/+GLt6j+D+RdrReT22ZqppIsA6cr3kUYRR6ze5swSQ4yTitdTEu+yALrzHM Jr70+QKMTFvI/ZbOGh30Wam9boPndW0x2L20+l8fb04D7xXz0zMezNKFyafLAGcK/r 8DTfqNR/DyLVAlGh7KrKhueKuxNkmEwxEbEfOk6aG8Ht3Axdh6McBDQN9MPpCtQKQJ 8RDrcss6f7cCo0LvjpaNubeJDdsmry1yp/mw2k7qNR1amRLz/V2x2IHNau8sqwXot+ 56f3hPgeQJ/4oyHlKZTobhgqe/HGK5XWwNu7kSm0YsBxEHxJJ5NP7Hy5HMKmhMDRPF SyuaHIMk6LmmQ== Subject: Re: [f2fs-dev] f2fs do DIO write make file corruption To: Wu Bo , linux-kernel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net References: <5b68208b-fd94-bf4e-fc4b-d79d13abf1c6@vivo.com> From: Chao Yu Message-ID: <6519b8b7-1eb0-f286-7593-5c5ebbfb5554@kernel.org> Date: Wed, 11 Aug 2021 11:03:11 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.12.0 MIME-Version: 1.0 In-Reply-To: <5b68208b-fd94-bf4e-fc4b-d79d13abf1c6@vivo.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2021/8/11 10:48, Wu Bo wrote: > I use the following command to create a file, the file may got corruption: > f2fs_io write 2 0 512 inc_num dio $path > > And when I use bio or to set the chunk size to 1 block, the file is > normal. The commands as following: > f2fs_io write 2 0 512 inc_num buffered $path > f2fs_io write 1 0 512 inc_num dio $path > > I find this bug on old kernel version 4.14.117, and not find on version > 4.19.152. So this bug is fixed. Can anyone can tell me which patch fixed > this bug? Not sure, https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=linux-4.19.y&id=7bae8b6b73e46c307fa355ce086800b7ad6610f8 Thanks, > > > _______________________________________________ > Linux-f2fs-devel mailing list > Linux-f2fs-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel >