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=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham 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 601EAC10F27 for ; Tue, 10 Mar 2020 13:30:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 443A824649 for ; Tue, 10 Mar 2020 13:30:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728881AbgCJNaw (ORCPT ); Tue, 10 Mar 2020 09:30:52 -0400 Received: from szxga04-in.huawei.com ([45.249.212.190]:11617 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1728589AbgCJMuZ (ORCPT ); Tue, 10 Mar 2020 08:50:25 -0400 Received: from DGGEMS402-HUB.china.huawei.com (unknown [172.30.72.60]) by Forcepoint Email with ESMTP id 81232A850F29D316DF7A; Tue, 10 Mar 2020 20:50:21 +0800 (CST) Received: from szvp000203569.huawei.com (10.120.216.130) by DGGEMS402-HUB.china.huawei.com (10.3.19.202) with Microsoft SMTP Server id 14.3.487.0; Tue, 10 Mar 2020 20:50:11 +0800 From: Chao Yu To: CC: , , , Chao Yu Subject: [PATCH 1/5] f2fs: change default compression algorithm Date: Tue, 10 Mar 2020 20:50:05 +0800 Message-ID: <20200310125009.12966-1-yuchao0@huawei.com> X-Mailer: git-send-email 2.18.0.rc1 MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.120.216.130] X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Use LZ4 as default compression algorithm, as compared to LZO, it shows almost the same compression ratio and much better decompression speed. Signed-off-by: Chao Yu --- fs/f2fs/super.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c index db3a63f7c769..ebffe7aa08ee 100644 --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -1577,7 +1577,7 @@ static void default_options(struct f2fs_sb_info *sbi) F2FS_OPTION(sbi).test_dummy_encryption = false; F2FS_OPTION(sbi).s_resuid = make_kuid(&init_user_ns, F2FS_DEF_RESUID); F2FS_OPTION(sbi).s_resgid = make_kgid(&init_user_ns, F2FS_DEF_RESGID); - F2FS_OPTION(sbi).compress_algorithm = COMPRESS_LZO; + F2FS_OPTION(sbi).compress_algorithm = COMPRESS_LZ4; F2FS_OPTION(sbi).compress_log_size = MIN_COMPRESS_LOG_SIZE; F2FS_OPTION(sbi).compress_ext_cnt = 0; F2FS_OPTION(sbi).bggc_mode = BGGC_MODE_ON; -- 2.18.0.rc1