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=-8.3 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 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 15AEBC43464 for ; Sat, 19 Sep 2020 06:20:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BFF1A22208 for ; Sat, 19 Sep 2020 06:20:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726202AbgISGUS (ORCPT ); Sat, 19 Sep 2020 02:20:18 -0400 Received: from szxga06-in.huawei.com ([45.249.212.32]:45622 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726112AbgISGUS (ORCPT ); Sat, 19 Sep 2020 02:20:18 -0400 Received: from DGGEMS403-HUB.china.huawei.com (unknown [172.30.72.58]) by Forcepoint Email with ESMTP id 379CF27431EFBF991AD9; Sat, 19 Sep 2020 14:20:15 +0800 (CST) Received: from [10.136.114.67] (10.136.114.67) by smtp.huawei.com (10.3.19.203) with Microsoft SMTP Server (TLS) id 14.3.487.0; Sat, 19 Sep 2020 14:20:13 +0800 Subject: Re: [PATCH 4/4] erofs: add REQ_RAHEAD flag to readahead requests To: Gao Xiang , CC: LKML , Chao Yu References: <20200918135436.17689-1-hsiangkao@redhat.com> <20200918135436.17689-4-hsiangkao@redhat.com> From: Chao Yu Message-ID: <006c92b6-d10a-088a-9a3d-4736de5e17c6@huawei.com> Date: Sat, 19 Sep 2020 14:20:13 +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: <20200918135436.17689-4-hsiangkao@redhat.com> Content-Type: text/plain; charset="windows-1252"; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-Originating-IP: [10.136.114.67] X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2020/9/18 21:54, Gao Xiang wrote: > Let's add REQ_RAHEAD flag so it'd be easier to identify > readahead I/O requests in blktrace. > > Signed-off-by: Gao Xiang Reviewed-by: Chao Yu Thanks,