Received: by 2002:a05:7412:da14:b0:e2:908c:2ebd with SMTP id fe20csp753502rdb; Fri, 6 Oct 2023 19:53:18 -0700 (PDT) X-Google-Smtp-Source: AGHT+IE9VeU5X0rogW8HpGyzymKh7LL9osd3oQpQs72bz4hx4IcYaG1LNnelMxB7VJSD2Gt2xPNf X-Received: by 2002:a17:902:6946:b0:1bf:27a2:b52b with SMTP id k6-20020a170902694600b001bf27a2b52bmr9523951plt.58.1696647197803; Fri, 06 Oct 2023 19:53:17 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1696647197; cv=none; d=google.com; s=arc-20160816; b=hKcnpCSzAOsETCkYwAGEHhQe3NHCJ14rkTanjGTFscTv8SirDbAE0NbeWjlFJD4SpP j/V6pyRw77cwgGySh0s9FOgc/xxtl4jTzNojGxqQFKd66dO/y05lvDiJaPWgYGaldOhF W1SfyXBNUY0vNCijEreVSgxRdjdTKGdwafSNcdlYJzBAlmv7OZvNZX5ROteVgdA8jxHE g4ScqWoYWE/Aa/sl+B6L2zp9nE1IYPoraoXIqgftElAoqDHPrtJE7gIDuxXYkjeF763x f3BGn12Ml4RPEy1aHoHJ9YW7G/g3NeWvSQvYZNvy+w46YBlrOhbs11K6soJaHLlby1Uo CWRQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:in-reply-to:from :references:cc:to:content-language:subject:user-agent:mime-version :date:message-id:dkim-signature; bh=K5kheW7h/5pealJDR/SvljKd/NfrGgPtrJ6jnsTs4co=; fh=G4Pxduviz9cgWyQEq1k2zqRNcx1tgxoAEtGH9VlDFJM=; b=Cev1p90Pb97hRHDlCuc23cW5PT4oNEoZDMY/jVpZT1W5c5o0Vdug0chaG4W++FhohU Cl5eS0QH1/qK/EL01835yRO3qtpJ1+YGd/yif0RVF2Uc2KeRy9814+xb7tp5+7APipKJ J6xIsXpuy3IR+yMs+l/v0Z63Gxg5MI3UH7PWoxcidJDnlA9Hu7bISV4A7L4UFnomI9S9 O33Q4DTLQULQbpFVKBYluHr85pqqaxgX/r5cvgB+LS9QWpDltTquIbquL6z1D//I6xsJ pbpcUI3T0hT3jNQQFaLhLEl1SV97xAT6gFWqfUPyajUF1WFTULhwBKuBdot0XOIhSiTK VEuw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b="Rvo704i/"; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:7 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Return-Path: Received: from snail.vger.email (snail.vger.email. [2620:137:e000::3:7]) by mx.google.com with ESMTPS id j10-20020a170902da8a00b001b8ba81d04dsi5375601plx.395.2023.10.06.19.53.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 06 Oct 2023 19:53:17 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:7 as permitted sender) client-ip=2620:137:e000::3:7; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b="Rvo704i/"; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:7 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: from out1.vger.email (depot.vger.email [IPv6:2620:137:e000::3:0]) by snail.vger.email (Postfix) with ESMTP id DF70F802AF05; Fri, 6 Oct 2023 19:53:16 -0700 (PDT) X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.103.10 at snail.vger.email Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234096AbjJGCxJ (ORCPT + 99 others); Fri, 6 Oct 2023 22:53:09 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33640 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229930AbjJGCxI (ORCPT ); Fri, 6 Oct 2023 22:53:08 -0400 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2B1FBBD for ; Fri, 6 Oct 2023 19:53:08 -0700 (PDT) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 869E4C433C8; Sat, 7 Oct 2023 02:53:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1696647187; bh=givokbT2OdwtFmBNzjJjWzXCgdXE/WSNCW7e+2KIMQU=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=Rvo704i/b/RrDeKrLlLDA+scaLJqCAubGm+KPKDWfEbOFEhxuNtKNlXag/R0uS/0q Neaw8cU571O9XUJAuDgtObxKPDT7DEBETSYQifFRnDu9O1UEBRzTaa2IYOXmEiwnjx qEZfm4m0YwgcKtOSvKvR5Ix/GuHhiIq4zhhvcPtXzeAVIhVN/mTrlFpNyX726/dEho PVLg+fSAxssew9kaQL8LM2yMY+a1BxNq3lKa+ClTro4XzpJzbWahV2cM/EishRP5Zn EoRl8uzmHFpKz8RtNIukVyeWQg2ySvVUHww4PJ27FJtXpG63dLX5Bev2T+ksbp7bFg bfGNSO5JtGE9A== Message-ID: Date: Sat, 7 Oct 2023 10:53:04 +0800 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:102.0) Gecko/20100101 Thunderbird/102.15.0 Subject: Re: [f2fs-dev] [PATCH] f2fs-tools: do not support user-space cache Content-Language: en-US To: Daeho Jeong , linux-kernel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, kernel-team@android.com Cc: Daeho Jeong References: <20230928175113.3840888-1-daeho43@gmail.com> From: Chao Yu In-Reply-To: <20230928175113.3840888-1-daeho43@gmail.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-4.9 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,NICE_REPLY_A, RCVD_IN_DNSWL_BLOCKED,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (snail.vger.email [0.0.0.0]); Fri, 06 Oct 2023 19:53:17 -0700 (PDT) On 2023/9/29 1:51, Daeho Jeong wrote: > From: Daeho Jeong > > We don't have lots of benefits from this, since block devices already > have page caches in the kernel. Moreover, this feature has some > stability issues corrupting metadata. So, we better make this deprecated. > > Signed-off-by: Daeho Jeong Reviewed-by: Chao Yu Thanks,