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[2620:137:e000::1:20]) by mx.google.com with ESMTP id he40-20020a1709073da800b006fa16afa43fsi2725073ejc.62.2022.07.07.06.48.40; Thu, 07 Jul 2022 06:49:09 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=hukO+DZS; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235926AbiGGNct (ORCPT + 99 others); Thu, 7 Jul 2022 09:32:49 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55026 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235639AbiGGNcs (ORCPT ); Thu, 7 Jul 2022 09:32:48 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 32E2A31912 for ; Thu, 7 Jul 2022 06:32:48 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id C4C5662019 for ; Thu, 7 Jul 2022 13:32:47 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5937AC3411E; Thu, 7 Jul 2022 13:32:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1657200767; bh=oRBMaGVn1cl239Cco0RUv0lBgGDfW5Ex3mNFdLKR7zo=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=hukO+DZS4phyRv+SQJDyrDwFokujShVXN4rDkd9bc/QuhjMbAwVAskiLPTE+/yNvN MyPe5oflLGCoMRZEihDt26qse/vl+X7w5czsnHUKwAguDbzNt/8JEmSs/iBA//KDQQ KRXIt6rN0aSV/VXbtu7V5iGqR8KU1p0CdA6zvsIhMHOr9qdRqNwFJcBZKQRF5/SR3S iD6vpAd4HpUKAnJeS3R1oZu8V4axoiOf5gcs/4xzdYYfNnKrDi8RdZ8fQRignQJrWB REL1E4GfsuSunKLzRhbcokxtiZfxxKlsL+R2eFWhPMkrbc4abCext1DTmLh5tRyZMM q20REdzUQ/OkA== Message-ID: Date: Thu, 7 Jul 2022 21:32:43 +0800 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:91.0) Gecko/20100101 Thunderbird/91.11.0 Subject: Re: [PATCH v2] f2fs: allow compression of files without blocks Content-Language: en-US To: Chao Liu , Jaegeuk Kim Cc: linux-f2fs-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org, Yue Hu , Wayne Zhang , Chao Liu References: <20220707090924.4183376-1-chaoliu719@gmail.com> From: Chao Yu In-Reply-To: <20220707090924.4183376-1-chaoliu719@gmail.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-7.8 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_HI,SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE 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 On 2022/7/7 17:09, Chao Liu wrote: > From: Chao Liu > > Files created by truncate(1) have a size but no blocks, so > they can be allowed to enable compression. > > Signed-off-by: Chao Liu Reviewed-by: Chao Yu Thanks,