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=-5.3 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 86892C433F5 for ; Sat, 11 Sep 2021 23:45:38 +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 43CC26101D; Sat, 11 Sep 2021 23:45:38 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 43CC26101D 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-2.v29.lw.sourceforge.com) by sfs-ml-2.v29.lw.sourceforge.com with esmtp (Exim 4.92.3) (envelope-from ) id 1mPCgi-0004b7-Lw; Sat, 11 Sep 2021 23:45:36 +0000 Received: from [172.30.20.202] (helo=mx.sourceforge.net) by sfs-ml-2.v29.lw.sourceforge.com with esmtps (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.92.3) (envelope-from ) id 1mPCgh-0004aw-EP for linux-f2fs-devel@lists.sourceforge.net; Sat, 11 Sep 2021 23:45:35 +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=R9YlOcuzzuAyv3ThEs6dM+K+vfoxM4pDPOUXDaUkkuQ=; b=lo33XyJPik7V10t0jVCPCujusE Yp0nBOfRhxzaPceRDV1bogsDAt3ev7bSRvrR3gmOHYvFQLpMFTG6euZ7WYR/nfiH/KPYS7aBrrKie ckiOVDlTu/SCthPY0FWonAnBUCHrMJMfrrPb+s9FUXf6Ov+Rv+3J8YmW8CvFZ12Zlokw=; 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=R9YlOcuzzuAyv3ThEs6dM+K+vfoxM4pDPOUXDaUkkuQ=; b=gBA23uI4k+VivNy4jS56xORp5i NjSmJ/k3bb1hwuLfPz0ur6WvP2x7c9BYvXJuc6VUJMPqbGYGLF7Wrs4bvEVEJay6Vi/pey3t42mgW Yh0dXl/SskLoVAs+8d5MLTLpbGlBzITt/2Awn7OikWj46trHhfdWKXd3dWgQjnV3P8EM=; 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 1mPCgg-007XWa-TA for linux-f2fs-devel@lists.sourceforge.net; Sat, 11 Sep 2021 23:45:35 +0000 Received: by mail.kernel.org (Postfix) with ESMTPSA id 4348861212; Sat, 11 Sep 2021 23:45:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1631403929; bh=R9YlOcuzzuAyv3ThEs6dM+K+vfoxM4pDPOUXDaUkkuQ=; h=Subject:To:Cc:References:From:Date:In-Reply-To:From; b=Q8IxT5dr2TeAtl0aZu9vsQu7yyYT+lIYc6bLY1U+f3wz/r1Rf2Mt4O74l47U5vtZR y8BfcUouXX6BQpCQSdVufrX63szUir719LYmXvW/zZ6Jj7Z0NLYjf/SrxFGcTfbntV WJXJWOKqHcD0MMoYdjc1bF8M68/JqKouFI4akm3TF9U2TkptrGsT6iGLnMUOQiW9hN X12pdJdUSbvmbNUUjhT+FseO5CT58kGVdH1oVCqR9iq/GVHWz7//ilTXP1gdaz175t EEvv9HIKSunif+MmTkIbO+S3JDRC/2KxdgQnZK7f5YoUPLIElMRv1VPHWLVsjZM4E9 On3YM8O4bqFAg== To: Jaegeuk Kim , Daeho Jeong References: <20210902172404.3517626-1-daeho43@gmail.com> From: Chao Yu Message-ID: <9f4a2954-e8c9-abc5-5df4-a7cec53433a3@kernel.org> Date: Sun, 12 Sep 2021 07:45:26 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.13.0 MIME-Version: 1.0 In-Reply-To: Content-Language: en-US X-Headers-End: 1mPCgg-007XWa-TA 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-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Errors-To: linux-f2fs-devel-bounces@lists.sourceforge.net 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. 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