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=-5.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 autolearn=no 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 D1C93C43214 for ; Fri, 27 Aug 2021 14:51:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B712460ED3 for ; Fri, 27 Aug 2021 14:51:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S245352AbhH0OwJ (ORCPT ); Fri, 27 Aug 2021 10:52:09 -0400 Received: from frasgout.his.huawei.com ([185.176.79.56]:3709 "EHLO frasgout.his.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231327AbhH0OwI (ORCPT ); Fri, 27 Aug 2021 10:52:08 -0400 Received: from fraeml739-chm.china.huawei.com (unknown [172.18.147.201]) by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4Gx2gM2QN2z67NxW; Fri, 27 Aug 2021 22:49:51 +0800 (CST) Received: from lhreml724-chm.china.huawei.com (10.201.108.75) by fraeml739-chm.china.huawei.com (10.206.15.220) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.8; Fri, 27 Aug 2021 16:51:17 +0200 Received: from [10.47.92.37] (10.47.92.37) by lhreml724-chm.china.huawei.com (10.201.108.75) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256) id 15.1.2308.8; Fri, 27 Aug 2021 15:51:16 +0100 From: John Garry Subject: Re: arm scsi drivers To: CC: "Martin K . Petersen" , "James E.J. Bottomley" , "linux-scsi@vger.kernel.org" , "linux-kernel@vger.kernel.org" , Hannes Reinecke , "Christoph Hellwig" , Bart Van Assche , Arnd Bergmann , "linux-arm-kernel@lists.infradead.org" References: <5a72842f-99db-8787-120b-6d85e7884e2d@huawei.com> Message-ID: <9552a506-e53a-3fd3-b38e-3cec81e713a6@huawei.com> Date: Fri, 27 Aug 2021 15:55:05 +0100 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.12.1 MIME-Version: 1.0 In-Reply-To: <5a72842f-99db-8787-120b-6d85e7884e2d@huawei.com> Content-Type: text/plain; charset="utf-8"; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-Originating-IP: [10.47.92.37] X-ClientProxiedBy: lhreml706-chm.china.huawei.com (10.201.108.55) To lhreml724-chm.china.huawei.com (10.201.108.75) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Russell, Have you had a chance to consider the below? Thanks > > Recently we tried to remove scsi_cmnd.tags struct member [0]. > > However it now shows that some of the arm SCSI drivers continue to use > this [1]. I think any other driver usage of this member had been found > and removed. > > The impression is that the usage of scsi_cmnd.tag in those drivers is > quite dubious. > > Now checking [2], it appears that you may have had some patches for > these drivers locally. > > So is that the case? Is this HW still used with bleeding edge kernels? > If so, can we fix up this tag management? > > [0] > https://lore.kernel.org/linux-scsi/6c83bd7f-9fd2-1b43-627f-615467fa55d4@huawei.com/T/#mb47909f38f35837686734369600051b278d124af > > > [1] > https://lore.kernel.org/linux-scsi/6c83bd7f-9fd2-1b43-627f-615467fa55d4@huawei.com/T/#md5d786e5753083b2f3e8e761b1c69809f82c7485 > > > [2] > https://lore.kernel.org/lkml/20210109174357.GB1551@shell.armlinux.org.uk/ > > Thanks, > John