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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id CD150C61D97 for ; Sun, 29 Jan 2023 18:12:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235243AbjA2SM2 (ORCPT ); Sun, 29 Jan 2023 13:12:28 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37668 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229605AbjA2SM0 (ORCPT ); Sun, 29 Jan 2023 13:12:26 -0500 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5593A18B2F for ; Sun, 29 Jan 2023 10:12:26 -0800 (PST) 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 ams.source.kernel.org (Postfix) with ESMTPS id 04749B80D1C for ; Sun, 29 Jan 2023 18:12:25 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 88EF6C433D2; Sun, 29 Jan 2023 18:12:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1675015943; bh=lsoELTbFCmklBSWaL0mK24RW1Go+2MZtjWOyil9mCl4=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=mW3FZyu5ZH+cxC7WR6UuMMMAN3q1AbaQsSx9+l+gmffmuquuvjwGBpbQbMjCQbMnG bBqVljJBriCJWAzg+VTsXo/kAm182A9LbGsoj3Do4rOzxxeZaXishWjfmzTcYJkW+1 l68VMJ9BML7ydFtm8c/2CmsCGpqnKUkyCo5Zr65yxjy2FCIbygyQjBF6c617viNNHT X25fqJkTBZtfHuAiRN1KglOXfg4Fo1n6M2/r0TqgWga7U25wNHwJLchnsp53JkfluP zP/l3WcpXkYNRjak1Aq7bYbg0B4XXpq35xFa1OfAhZop4J/MvBwRr/RT+ZIdVL8bCT 7tltXjP+Aaw1g== Date: Sun, 29 Jan 2023 10:12:21 -0800 From: Eric Biggers To: Chao Yu Cc: Yangtao Li , jaegeuk@kernel.org, linux-kernel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net Subject: Re: [PATCH 1/4] f2fs: fix to check lz4hc compression when CONFIG_F2FS_FS_LZ4HC is not enabled Message-ID: References: <20230124153346.74881-1-frank.li@vivo.com> <99e4e218-d9a4-93d1-c0d3-9ba01da21093@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <99e4e218-d9a4-93d1-c0d3-9ba01da21093@kernel.org> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sun, Jan 29, 2023 at 06:21:17PM +0800, Chao Yu wrote: > On 2023/1/24 23:33, Yangtao Li wrote: > > f2fs supports lz4 compression algorithm and lz4hc compression algorithm, > > which the level parameter needs to be passed in. When CONFIG_F2FS_FS_LZ4HC > > is not enabled, even if there is no problem with the level parameter, add lz4hc is not a different compression algorithm, but rather just a higher compression level for lz4. - Eric