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=-10.2 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,MAILING_LIST_MULTI, NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 C63D0C64E8A for ; Wed, 2 Dec 2020 01:48:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5D68720709 for ; Wed, 2 Dec 2020 01:48:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727905AbgLBBsQ (ORCPT ); Tue, 1 Dec 2020 20:48:16 -0500 Received: from szxga05-in.huawei.com ([45.249.212.191]:8550 "EHLO szxga05-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726023AbgLBBsQ (ORCPT ); Tue, 1 Dec 2020 20:48:16 -0500 Received: from DGGEMS406-HUB.china.huawei.com (unknown [172.30.72.58]) by szxga05-in.huawei.com (SkyGuard) with ESMTP id 4Cm1zq6NYNzhl3K; Wed, 2 Dec 2020 09:47:03 +0800 (CST) Received: from [10.136.114.67] (10.136.114.67) by smtp.huawei.com (10.3.19.206) with Microsoft SMTP Server (TLS) id 14.3.487.0; Wed, 2 Dec 2020 09:47:25 +0800 Subject: Re: [f2fs-dev] [PATCH 4/4] f2fs: remove buffer_head which has 32bits limit To: Jaegeuk Kim , , CC: Light Hsieh , Linux F2FS Dev Mailing List References: <20201126022416.3068426-1-jaegeuk@kernel.org> <20201126022416.3068426-4-jaegeuk@kernel.org> <20201201040924.GB3858797@google.com> From: Chao Yu Message-ID: <7ce64222-cda4-6ad5-9246-c176998b79bb@huawei.com> Date: Wed, 2 Dec 2020 09:47:24 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 MIME-Version: 1.0 In-Reply-To: <20201201040924.GB3858797@google.com> Content-Type: text/plain; charset="windows-1252"; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-Originating-IP: [10.136.114.67] X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2020/12/1 12:09, Jaegeuk Kim wrote: > On 11/25, Jaegeuk Kim wrote: >> This patch removes buffer_head dependency when getting block addresses. >> Light reported there's a 32bit issue in f2fs_fiemap where map_bh.b_size is >> 32bits while len is 64bits given by user. This will give wrong length to >> f2fs_map_block. >> >> Reported-by: Light Hsieh >> Signed-off-by: Jaegeuk Kim Reviewed-by: Chao Yu Thanks,