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=-2.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 C3F7CC3A59E for ; Mon, 2 Sep 2019 10:36:14 +0000 (UTC) Received: from whitealder.osuosl.org (smtp1.osuosl.org [140.211.166.138]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id A3D8820820 for ; Mon, 2 Sep 2019 10:36:14 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A3D8820820 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=huawei.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=driverdev-devel-bounces@linuxdriverproject.org Received: from localhost (localhost [127.0.0.1]) by whitealder.osuosl.org (Postfix) with ESMTP id 7CC9A86489; Mon, 2 Sep 2019 10:36:14 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from whitealder.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id wUQqHrPQqpkL; Mon, 2 Sep 2019 10:36:13 +0000 (UTC) Received: from ash.osuosl.org (ash.osuosl.org [140.211.166.34]) by whitealder.osuosl.org (Postfix) with ESMTP id 8509886456; Mon, 2 Sep 2019 10:36:13 +0000 (UTC) Received: from silver.osuosl.org (smtp3.osuosl.org [140.211.166.136]) by ash.osuosl.org (Postfix) with ESMTP id 24CEA1BF47A for ; Mon, 2 Sep 2019 10:36:12 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by silver.osuosl.org (Postfix) with ESMTP id 176E320010 for ; Mon, 2 Sep 2019 10:36:12 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from silver.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id TQtcvId9cz4p for ; Mon, 2 Sep 2019 10:36:09 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.7.6 Received: from huawei.com (szxga01-in.huawei.com [45.249.212.187]) by silver.osuosl.org (Postfix) with ESMTPS id F23A82000F for ; Mon, 2 Sep 2019 10:36:08 +0000 (UTC) Received: from DGGEMM404-HUB.china.huawei.com (unknown [172.30.72.53]) by Forcepoint Email with ESMTP id 32EA73D857F82B433D68; Mon, 2 Sep 2019 18:36:05 +0800 (CST) Received: from dggeme762-chm.china.huawei.com (10.3.19.108) by DGGEMM404-HUB.china.huawei.com (10.3.20.212) with Microsoft SMTP Server (TLS) id 14.3.439.0; Mon, 2 Sep 2019 18:36:04 +0800 Received: from architecture4 (10.140.130.215) by dggeme762-chm.china.huawei.com (10.3.19.108) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1591.10; Mon, 2 Sep 2019 18:36:03 +0800 Date: Mon, 2 Sep 2019 18:35:12 +0800 From: Gao Xiang To: Pavel Machek Subject: Re: [PATCH v6 01/24] erofs: add on-disk layout Message-ID: <20190902103509.GA42552@architecture4> References: <20190802125347.166018-1-gaoxiang25@huawei.com> <20190802125347.166018-2-gaoxiang25@huawei.com> <20190829095954.GB20598@infradead.org> <20190902084020.GB19557@amd> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20190902084020.GB19557@amd> User-Agent: Mutt/1.9.4 (2018-02-28) X-Originating-IP: [10.140.130.215] X-ClientProxiedBy: dggeme715-chm.china.huawei.com (10.1.199.111) To dggeme762-chm.china.huawei.com (10.3.19.108) X-CFilter-Loop: Reflected X-BeenThere: driverdev-devel@linuxdriverproject.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux Driver Project Developer List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devel@driverdev.osuosl.org, Stephen Rothwell , linux-erofs@lists.ozlabs.org, Chao Yu , Theodore Ts'o , "Darrick J . Wong" , Greg Kroah-Hartman , Jan Kara , Amir Goldstein , Dave Chinner , David Sterba , Li Guifu , LKML , Christoph Hellwig , Miao Xie , Alexander Viro , linux-fsdevel@vger.kernel.org, Jaegeuk Kim , Andrew Morton , Linus Torvalds , Fang Wei Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: driverdev-devel-bounces@linuxdriverproject.org Sender: "devel" Hi Pavel, (Thanks...) On Mon, Sep 02, 2019 at 10:40:20AM +0200, Pavel Machek wrote: > > So __packed is right thing to do. If architecture accesses that > slowly, that's ungood, but different structures between architectures > would be really bad. (...a little word, it seems that Christoph was trying to say that it's unnecessary to __packed for this case since we designed most erofs on-disk format in natural alignment... Anyway, I updated, that seems okay...) Thanks, Gao Xiang > > Best regards, > Pavel > -- > DENX Software Engineering GmbH, Managing Director: Wolfgang Denk > HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany _______________________________________________ devel mailing list devel@linuxdriverproject.org http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel