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=-3.8 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,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 2D438C433EF for ; Mon, 20 Sep 2021 22:58:12 +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 DD8C061184 for ; Mon, 20 Sep 2021 22:58:11 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org DD8C061184 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=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 1mSSEk-0001PB-Jp; Mon, 20 Sep 2021 22:58:10 +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 1mSSEj-0001P5-DP for linux-f2fs-devel@lists.sourceforge.net; Mon, 20 Sep 2021 22:58:09 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sourceforge.net; s=x; h=In-Reply-To:Content-Type:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To:Content-Transfer-Encoding: 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=d0Nemd4hHJgSVfWJNr3qQUJaMHliAtJbCFFPWym3UK8=; b=Hx2mv0SdeIfWgiy9I+bgy2VKOo +csf7mCQtedtsBkbuoaoAvnPg+T+pa+gIsCr7I0GRGubQtojHotNzMi+ZxTLva0vjI2Acc07Gec+c YdWYVZNRrN849n15tz2zwQolDB9RHiDwioBO0JaulYlLah7xzTgTS8hZ2xYF29D3otHM=; DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sf.net; s=x ; h=In-Reply-To:Content-Type:MIME-Version:References:Message-ID:Subject:Cc:To :From:Date:Sender:Reply-To:Content-Transfer-Encoding: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=d0Nemd4hHJgSVfWJNr3qQUJaMHliAtJbCFFPWym3UK8=; b=Xw0Y/ercu3w8uZLrcri8bBhC8v aj/aAkc3OFDn3njCY4CEVmQvZtiilsDSY+L1oUBudHcFIbhqC7kub+uZzQxVchd5A6D8wyMBIRi8n XyQJ0UnEBlqrGVjhLryRNX+8Ggo7vEZB5euZItVAj2cB2Ps3R+y0SF0Ny0Rgpwx6RBAY=; Received: from mail.kernel.org ([198.145.29.99]) by sfi-mx-2.v28.lw.sourceforge.com with esmtps (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.92.3) id 1mSSEh-00085J-82 for linux-f2fs-devel@lists.sourceforge.net; Mon, 20 Sep 2021 22:58:09 +0000 Received: by mail.kernel.org (Postfix) with ESMTPSA id D02C0610A0; Mon, 20 Sep 2021 22:57:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1632178677; bh=t32r/UNDAKqQ2H+2kaeKxyON17il0qBt5QdF2iYLzZU=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=ZhosC+o0YPt67CpA3fw8kRB1RXniPzCZesIhuvdeBL+wpXNT4Sl12rr1CFkS9nmbI d/EANN9Fmgkf2bjeqEoaQ69Lk0rCKQZ7sBupWl+xvyoBVt5iKUeXYX8MqrTGnpXV0l Nm9MHTFMVrSLlj/twxw+Mm+bfJBRjYa3T1MV6IWH9SspASg2DiupGjmxNgTjQnH6jA skrE0+DL6T4dB3xXfOwTYXnZn03oHmUQeZjsPN/O0FKqhUIxTToRusKwhCLiP73ljK xa3YK3ozMBh78upKlfKDacQOxd2u8gi6mrSjGRvMNUaKyEGrP5Apo51dDt9/duXUEb 0aRaK/ac7MQ2w== Date: Mon, 20 Sep 2021 15:57:55 -0700 From: Jaegeuk Kim To: Chao Yu Message-ID: References: <20210902172404.3517626-1-daeho43@gmail.com> <9f4a2954-e8c9-abc5-5df4-a7cec53433a3@kernel.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <9f4a2954-e8c9-abc5-5df4-a7cec53433a3@kernel.org> X-Headers-End: 1mSSEh-00085J-82 Subject: Re: [f2fs-dev] [PATCH v4] f2fs: introduce fragment allocation mode mount option 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: linux-f2fs-devel@lists.sourceforge.net, kernel-team@android.com, Daeho Jeong , linux-kernel@vger.kernel.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: linux-f2fs-devel-bounces@lists.sourceforge.net On 09/12, Chao Yu wrote: > On 2021/9/11 7:13, Jaegeuk Kim wrote: > > Wait. Why do we need to add so many options here? I was expecting to see > > performance difference when getting random segments or random blocks as > > an extreme case. I don't get the point why we need the middle of those cases. > > I guess we can simply the aging test procedure of filesystem by changing a bit > based on this patch. My question was on "fragment:fixed_block". > > See comments in below thread. > > https://lore.kernel.org/lkml/425daf77-8020-26ce-dc9f-019d9a881b78@kernel.org/ > > Thanks, _______________________________________________ Linux-f2fs-devel mailing list Linux-f2fs-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel