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=-10.3 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,MAILING_LIST_MULTI, NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=unavailable 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 ABF62C433E0 for ; Tue, 16 Mar 2021 07:39:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6E96D64FBC for ; Tue, 16 Mar 2021 07:39:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231974AbhCPHjV (ORCPT ); Tue, 16 Mar 2021 03:39:21 -0400 Received: from szxga04-in.huawei.com ([45.249.212.190]:13624 "EHLO szxga04-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232103AbhCPHjG (ORCPT ); Tue, 16 Mar 2021 03:39:06 -0400 Received: from DGGEMS406-HUB.china.huawei.com (unknown [172.30.72.59]) by szxga04-in.huawei.com (SkyGuard) with ESMTP id 4F04qq5C2vz16D9L; Tue, 16 Mar 2021 15:37:11 +0800 (CST) Received: from [10.136.110.154] (10.136.110.154) by smtp.huawei.com (10.3.19.206) with Microsoft SMTP Server (TLS) id 14.3.498.0; Tue, 16 Mar 2021 15:38:59 +0800 Subject: Re: [PATCH v6 1/2] erofs: avoid memory allocation failure during rolling decompression To: Huang Jianan , CC: , , References: <20210316031515.90954-1-huangjianan@oppo.com> From: Chao Yu Message-ID: <3c54be1f-7807-9398-7e75-0c521403d2e0@huawei.com> Date: Tue, 16 Mar 2021 15:38:59 +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: <20210316031515.90954-1-huangjianan@oppo.com> 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 2021/3/16 11:15, Huang Jianan via Linux-erofs wrote: > Currently, err would be treated as io error. Therefore, it'd be > better to ensure memory allocation during rolling decompression > to avoid such io error. > > In the long term, we might consider adding another !Uptodate case > for such case. > > Signed-off-by: Huang Jianan > Signed-off-by: Guo Weichao > Reviewed-by: Gao Xiang Reviewed-by: Chao Yu Thanks,