Received: by 2002:a05:6a10:206:0:0:0:0 with SMTP id 6csp2423081pxj; Mon, 10 May 2021 02:34:15 -0700 (PDT) X-Google-Smtp-Source: ABdhPJxcViU9NkFrZ6Zw+96UmnqvXVFkprxR4Xv2uP31wfcaZjRFMAw84BdTSq1sOpQRvCeeJDJC X-Received: by 2002:a05:6402:26d6:: with SMTP id x22mr2872247edd.88.1620639255542; Mon, 10 May 2021 02:34:15 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1620639255; cv=none; d=google.com; s=arc-20160816; b=kr1VoLK+oIr40bo4hxaoWPMOzgtYIzz3NT3EIEd+4so00HWClVVUHd5NTz2ty5whBj tODhG87TS4uHDW5WhhHZGjIURamuWAiokiBaDywmeoB5Ph3h0HDJyz4hsx3JjpTB6Fmh xvHPLwYLPpKYVB7koKlN8usaSVhtmkydQrY373XeTG3L9UKKID+NTiKo252y3Yswu3/y fRIpFYBvZoxlKQetfVRV1X100P58xSbCPl9gmdmzPT8EwOZ7bEgf/ytXTuB8IHIx5EaQ fLNrAB6MHMs+OaL+jMMsM+XUf5YFiLHwTauLn2I2kzBaJ65qV0uOZsGo0Ah9Xc1F6e9e XQOA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from; bh=PifZ1I00dhgN1XKRg9/6hVSl/yNrdKAMoEaPBURIzuQ=; b=bKwPvrLveI6WZpOHKQoJi1OnvuP5/EBBkYT1UKAYE5LM/3SLxm+PtPaGPJkHTpCw6F m38Wd2XCJ0HBbJm2ap7dh+gfWbWXQden5uilWYBfPZKFxd9AX1jsQR3FjvyN4YtzY2ku m6cAXtQzDkAHSCTZ0EBQuubgMq5LRdDp75vg2GWRS6W79NFtUMe6Mf37tVS+W25z70xK Zc6B1AwkB1+UwC1F7wGKP0Cm/ZUxbdtLkXxw7wMs/34sOEDNORvbHT3i8xOrrJcBdn/y 8TknbhYZlf3ypt1M8eZW4+SJJg1oBQpWQIMlb746ihfz0W+uleaY6NZETOYgWnxks+tz wUsw== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=huawei.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id t15si16145146ejx.9.2021.05.10.02.33.52; Mon, 10 May 2021 02:34:15 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=huawei.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230320AbhEJJbv (ORCPT + 99 others); Mon, 10 May 2021 05:31:51 -0400 Received: from szxga07-in.huawei.com ([45.249.212.35]:2428 "EHLO szxga07-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230319AbhEJJbv (ORCPT ); Mon, 10 May 2021 05:31:51 -0400 Received: from DGGEMS411-HUB.china.huawei.com (unknown [172.30.72.59]) by szxga07-in.huawei.com (SkyGuard) with ESMTP id 4FdwhQ6XLkzCr8s; Mon, 10 May 2021 17:28:06 +0800 (CST) Received: from szvp000203569.huawei.com (10.120.216.130) by DGGEMS411-HUB.china.huawei.com (10.3.19.211) with Microsoft SMTP Server id 14.3.498.0; Mon, 10 May 2021 17:30:35 +0800 From: Chao Yu To: CC: , , , Chao Yu Subject: [PATCH 3/3] f2fs: compress: fix to assign cc.cluster_idx correctly Date: Mon, 10 May 2021 17:30:32 +0800 Message-ID: <20210510093032.35466-3-yuchao0@huawei.com> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20210510093032.35466-1-yuchao0@huawei.com> References: <20210510093032.35466-1-yuchao0@huawei.com> MIME-Version: 1.0 Content-Transfer-Encoding: 7BIT Content-Type: text/plain; charset=US-ASCII X-Originating-IP: [10.120.216.130] X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org In f2fs_destroy_compress_ctx(), after f2fs_destroy_compress_ctx(), cc.cluster_idx will be cleared w/ NULL_CLUSTER, f2fs_cluster_blocks() may check wrong cluster metadata, fix it. Fixes: 4c8ff7095bef ("f2fs: support data compression") Signed-off-by: Chao Yu --- fs/f2fs/compress.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/fs/f2fs/compress.c b/fs/f2fs/compress.c index 340815cd0887..30b003447510 100644 --- a/fs/f2fs/compress.c +++ b/fs/f2fs/compress.c @@ -1066,6 +1066,8 @@ static int prepare_compress_overwrite(struct compress_ctx *cc, f2fs_put_rpages(cc); f2fs_unlock_rpages(cc, i + 1); f2fs_destroy_compress_ctx(cc); + cc->cluster_idx = index >> + F2FS_I(cc->inode)->i_log_cluster_size; goto retry; } } -- 2.29.2