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=-5.7 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS, 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 48433C07E95 for ; Tue, 13 Jul 2021 09:45:56 +0000 (UTC) Received: from lists.sourceforge.net (lists.sourceforge.net [216.105.38.7]) (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 0A08061152; Tue, 13 Jul 2021 09:45:56 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0A08061152 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linux-f2fs-devel-bounces@lists.sourceforge.net Received: from [127.0.0.1] (helo=sfs-ml-4.v29.lw.sourceforge.com) by sfs-ml-4.v29.lw.sourceforge.com with esmtp (Exim 4.90_1) (envelope-from ) id 1m3EzD-0001Uo-J9; Tue, 13 Jul 2021 09:45:55 +0000 Received: from [172.30.20.202] (helo=mx.sourceforge.net) by sfs-ml-4.v29.lw.sourceforge.com with esmtps (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.90_1) (envelope-from ) id 1m3EzC-0001Ua-Ey for linux-f2fs-devel@lists.sourceforge.net; Tue, 13 Jul 2021 09:45:54 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sourceforge.net; s=x; h=Content-Transfer-Encoding:Content-Type:In-Reply-To: MIME-Version:Date:Message-ID:From:References:Cc:To:Subject:Sender:Reply-To: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=2L6698rm8Cp7n1ZoMFC5kLXdhF5RNU9V88jDD0QOQh4=; b=Y5DRBLjGu2jCSXB+r3XhsbdeFn rqKnWaO2oLZ5erBpOO3pJD48l6bH6crmqDtPpBlXb75enmSntu7gUJlTb22Tfkqfm0eCbfF3rihv7 avk3kl1WP8Hp5hNvcisGCZlCB9B2iycpJp9KUdjzO6M47bkg9gqGfwPJB+I/w3JjJT2A=; DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sf.net; s=x ; h=Content-Transfer-Encoding:Content-Type:In-Reply-To:MIME-Version:Date: Message-ID:From:References:Cc:To:Subject:Sender:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=2L6698rm8Cp7n1ZoMFC5kLXdhF5RNU9V88jDD0QOQh4=; b=bYsh8AVKbdSvHNLXanHrgqOGHM yCw+06J+ajo3QHp9vDesmbmHxMxDDq99zrBElWOkp8BB4nxakb8dT0NcC9TKSTYBhxF+OPuF2YiIt azDw5IfPOsY31/SRJSWrmP3Hr53mCmS9OKKLb5gbm7sWONKMGTjTo/jeiLvJiFd6hTMI=; Received: from mail.kernel.org ([198.145.29.99]) by sfi-mx-1.v28.lw.sourceforge.com with esmtps (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.92.3) id 1m3Ez5-006nFP-D8 for linux-f2fs-devel@lists.sourceforge.net; Tue, 13 Jul 2021 09:45:54 +0000 Received: by mail.kernel.org (Postfix) with ESMTPSA id 36D6D610D1; Tue, 13 Jul 2021 09:45:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1626169541; bh=MHQ1hi9DJCsnIHnR5dYbmLFq91e4rfwqt+lKqramo5c=; h=Subject:To:Cc:References:From:Date:In-Reply-To:From; b=SEhAkeQKLoRENbnWEaKMB+PevkfQGmbGzzSgWsBlRLwysZSA+jPll7J3dBOZEtsIu 5Yt9oM7r7zI6/Z3at27zmg5vbIRi924WkfGprzznw6Y1o/lOKCfIZDMUQVEn5gtVXW /DD/QngVkmlJ2qmoVN3+w8jN3QQeRr5zlB1ga7PL7C5WLcfb7ec0U3n9xWjAK+tHuD +IqbunAqJls8cV+yGt3EUYbFtC3QiGBodPdgTt/Q9rl7+aazOJtEwGhs2e9HB9cq51 VSzvmiF3hWdgA9qXHl/029xKPVr0tYUEpbP4nUl7pFK2Phe8+kWt0qzkCd0OL5MWvx M0Qf6y9jkXXPA== To: jaegeuk@kernel.org References: <20210622115059.24860-1-changfengnan@vivo.com> <7e7d1dec-d245-8451-7a08-20c0c937c21b@vivo.com> From: Chao Yu Message-ID: <73528afe-8331-85af-48c1-f9d733ed8e39@kernel.org> Date: Tue, 13 Jul 2021 17:45:40 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.11.0 MIME-Version: 1.0 In-Reply-To: <7e7d1dec-d245-8451-7a08-20c0c937c21b@vivo.com> Content-Language: en-US X-Headers-End: 1m3Ez5-006nFP-D8 Subject: Re: [f2fs-dev] [PATCH v2] f2fs: compress: remove unneeded read when rewrite whole cluster X-BeenThere: linux-f2fs-devel@lists.sourceforge.net X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Fengnan Chang , linux-f2fs-devel@lists.sourceforge.net Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Errors-To: linux-f2fs-devel-bounces@lists.sourceforge.net On 2021/7/13 10:35, Fengnan Chang wrote: > Hi Jaegeuk: > Any comments about this version? > > On 2021/6/22 19:50, Fengnan Chang wrote: >> when we overwrite the whole page in cluster, we don't need read original >> data before write, because after write_end(), writepages() can help to >> load left data in that cluster. Jaegeuk, Let's queue this in dev-test for testing? Thanks, _______________________________________________ Linux-f2fs-devel mailing list Linux-f2fs-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel