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 1A901C4363D for ; Wed, 23 Sep 2020 06:39:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E4A5A221E8 for ; Wed, 23 Sep 2020 06:39:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726620AbgIWGjt (ORCPT ); Wed, 23 Sep 2020 02:39:49 -0400 Received: from mx2.suse.de ([195.135.220.15]:46348 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726608AbgIWGjt (ORCPT ); Wed, 23 Sep 2020 02:39:49 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.221.27]) by mx2.suse.de (Postfix) with ESMTP id ADF43AB0E; Wed, 23 Sep 2020 06:40:24 +0000 (UTC) Subject: Re: [PATCH V3 for 5.11 07/12] blk-mq: add callbacks for storing & retrieving budget token To: Ming Lei , Jens Axboe , linux-block@vger.kernel.org, "Martin K . Petersen" , linux-scsi@vger.kernel.org Cc: Omar Sandoval , Kashyap Desai , Sumanesh Samanta , "Ewan D . Milne" References: <20200923013339.1621784-1-ming.lei@redhat.com> <20200923013339.1621784-8-ming.lei@redhat.com> From: Hannes Reinecke Message-ID: <73d40c92-ef53-7918-aed7-5b0e56a9d0b2@suse.de> Date: Wed, 23 Sep 2020 08:39:45 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.11.0 MIME-Version: 1.0 In-Reply-To: <20200923013339.1621784-8-ming.lei@redhat.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org On 9/23/20 3:33 AM, Ming Lei wrote: > SCSI is the only driver which requires dispatch budget, and it isn't > fair to add one field into 'struct request' for storing budget token > which will be used in the following patches for improving scsi's device > busy scalability. > > Cc: Omar Sandoval > Cc: Kashyap Desai > Cc: Sumanesh Samanta > Cc: Ewan D. Milne > Cc: Hannes Reinecke > Signed-off-by: Ming Lei > --- > drivers/scsi/scsi_lib.c | 18 ++++++++++++++++++ > include/linux/blk-mq.h | 9 +++++++++ > include/scsi/scsi_cmnd.h | 2 ++ > 3 files changed, 29 insertions(+) >Reviewed-by: Hannes Reinecke Cheers, Hannes -- Dr. Hannes Reinecke Kernel Storage Architect hare@suse.de +49 911 74053 688 SUSE Software Solutions GmbH, Maxfeldstr. 5, 90409 Nürnberg HRB 36809 (AG Nürnberg), Geschäftsführer: Felix Imendörffer