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, 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 6B349C35671 for ; Mon, 24 Feb 2020 11:20:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 47C6D2082F for ; Mon, 24 Feb 2020 11:20:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727463AbgBXLUj (ORCPT ); Mon, 24 Feb 2020 06:20:39 -0500 Received: from szxga07-in.huawei.com ([45.249.212.35]:35948 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1727429AbgBXLUi (ORCPT ); Mon, 24 Feb 2020 06:20:38 -0500 Received: from DGGEMS413-HUB.china.huawei.com (unknown [172.30.72.60]) by Forcepoint Email with ESMTP id 7472383E962AEED00A5C; Mon, 24 Feb 2020 19:20:36 +0800 (CST) Received: from szvp000203569.huawei.com (10.120.216.130) by DGGEMS413-HUB.china.huawei.com (10.3.19.213) with Microsoft SMTP Server id 14.3.439.0; Mon, 24 Feb 2020 19:20:28 +0800 From: Chao Yu To: CC: , , , Chao Yu Subject: [PATCH 4/5] f2fs: recycle unused compress_data.chksum feild Date: Mon, 24 Feb 2020 19:20:18 +0800 Message-ID: <20200224112019.93829-4-yuchao0@huawei.com> X-Mailer: git-send-email 2.18.0.rc1 In-Reply-To: <20200224112019.93829-1-yuchao0@huawei.com> References: <20200224112019.93829-1-yuchao0@huawei.com> 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 In Struct compress_data, chksum field was never used, remove it. Signed-off-by: Chao Yu --- fs/f2fs/compress.c | 1 - fs/f2fs/f2fs.h | 3 +-- 2 files changed, 1 insertion(+), 3 deletions(-) diff --git a/fs/f2fs/compress.c b/fs/f2fs/compress.c index 864035549329..e8b88f7bb7a5 100644 --- a/fs/f2fs/compress.c +++ b/fs/f2fs/compress.c @@ -380,7 +380,6 @@ static int f2fs_compress_pages(struct compress_ctx *cc) } cc->cbuf->clen = cpu_to_le32(cc->clen); - cc->cbuf->chksum = cpu_to_le32(0); for (i = 0; i < COMPRESS_DATA_RESERVED_SIZE; i++) cc->cbuf->reserved[i] = cpu_to_le32(0); diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index 468f807fd917..bd264d8cddaf 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -1233,10 +1233,9 @@ enum compress_algorithm_type { COMPRESS_MAX, }; -#define COMPRESS_DATA_RESERVED_SIZE 4 +#define COMPRESS_DATA_RESERVED_SIZE 5 struct compress_data { __le32 clen; /* compressed data size */ - __le32 chksum; /* checksum of compressed data */ __le32 reserved[COMPRESS_DATA_RESERVED_SIZE]; /* reserved */ u8 cdata[]; /* compressed data */ }; -- 2.18.0.rc1