Received: by 2002:a05:6a10:8c0a:0:0:0:0 with SMTP id go10csp1440448pxb; Thu, 28 Jan 2021 17:15:46 -0800 (PST) X-Google-Smtp-Source: ABdhPJxcJ06kf3FXhqg8YR2R4XOe8TlO1ziSKBk7dCZEV9Ih1vApn5Gm/F38K9P8L9c7zrC1CHcc X-Received: by 2002:a17:906:803:: with SMTP id e3mr2163414ejd.346.1611882945828; Thu, 28 Jan 2021 17:15:45 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1611882945; cv=none; d=google.com; s=arc-20160816; b=S1WmhoYafUfcxjTvYgLD0oL16pkF/otHJk0b1c3yhsnp8rS/K1DudLZ2pnhVuiTzZM 16LDhV6brvGFOedltdWFA6XegUE5Csar/EloR5wVwMZm9F8b8t6CqziNzjBJI/9iSn3t ZsOZo51CGPCGcU2C76IepfeVfmL5xUbZxr5dwZccMW4P/Ojq4dHBxqYC3ev6PfVgsBFE CMjaJQttaKAO+FMtN4lnhhtsAWCxPfcid6T6j/XE0+TNM7rEaZilU5B3KHLnD/rRHzT3 vVs707ihNuvhSH+O5+o5LV9dszEyuqhvDxjibdya7x0UcLm6wODWw77NF41cYlj/nqn4 p17w== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:content-language :in-reply-to:mime-version:user-agent:date:message-id:from:references :cc:to:subject; bh=C5MlhdJkNshgbGy7o3VSaMgAPVNg8Nf6Uo6FA2CQsds=; b=Rf8FCQAKoK76BFPZNqPNquPM8xdU7a2tDE7N9S2ctJfwqoHfe0C5+ROvkhQ1cABFev 1dAtnu0F1C7qNvgVY+ug7XWGJd/As+aQcmtOkykaPhYYGLur7qElc4MTWcN/vscMSi4B AOMAtnSOEGgzWWpC6w2CKZtlqpS9sujLBBzSl/H4cNLgpYEEXIJjVhQoe7LRu405dTHc CN0q3vx1iHddN184ljUBybINQItcoU+dBH1fCUe8rTu5FQPETelOx5A1BK5i6FZfdAD8 jH8DMwCtm0UIApu/+qwrg8lFy/luQi1tUUk5mvfRV9DBOi63E/rbDj/OE34MJ0jZtqeW vgyg== 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 Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id g1si4085775edv.264.2021.01.28.17.15.18; Thu, 28 Jan 2021 17:15:45 -0800 (PST) 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 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231287AbhA2BOQ (ORCPT + 99 others); Thu, 28 Jan 2021 20:14:16 -0500 Received: from szxga06-in.huawei.com ([45.249.212.32]:11470 "EHLO szxga06-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229596AbhA2BOL (ORCPT ); Thu, 28 Jan 2021 20:14:11 -0500 Received: from DGGEMS412-HUB.china.huawei.com (unknown [172.30.72.58]) by szxga06-in.huawei.com (SkyGuard) with ESMTP id 4DRfT64SfszjCt2; Fri, 29 Jan 2021 09:12:26 +0800 (CST) Received: from [10.136.110.154] (10.136.110.154) by smtp.huawei.com (10.3.19.212) with Microsoft SMTP Server (TLS) id 14.3.498.0; Fri, 29 Jan 2021 09:13:25 +0800 Subject: Re: [f2fs-dev] [PATCH v3 1/5] f2fs: compress: add compress_inode to cache compressed blocks To: Jaegeuk Kim CC: Chao Yu , , References: <37ba41db-2589-e155-c416-d0c8832026cb@huawei.com> <8e88b1e2-0176-9487-b925-9c7a31a7e5cd@huawei.com> <20a1dbd3-808e-e62a-53f3-7f1e2a316b3c@kernel.org> <068da0d3-18c9-53f7-0f24-63b07e1af272@huawei.com> <9b982458-57e1-a04d-c5d4-f5ca775af1e7@huawei.com> From: Chao Yu Message-ID: Date: Fri, 29 Jan 2021 09:13:24 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset="windows-1252"; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-Originating-IP: [10.136.110.154] X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2021/1/29 0:12, Jaegeuk Kim wrote: > On 01/28, Chao Yu wrote: >> On 2021/1/22 10:17, Chao Yu wrote: >>>> No, it seems this is not the case. >>> Oops, could you please help to remove all below codes and do the test again >>> to check whether they are the buggy codes? as I doubt there is use-after-free >>> bug. >> >> Any test result? :) > > It seems I don't see the errors anymore. Will you post another version? No, your test result only indicate that bug was caused by race condition of that line with high possibility, however I've no idea how that happen after several round code review. Still struggling in troubleshooting this issue. Thanks, > >> >> Thanks, > . >