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=-6.7 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 7D3E6C433F5 for ; Sat, 18 Sep 2021 03:08:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5654E60FED for ; Sat, 18 Sep 2021 03:08:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240958AbhIRDKM (ORCPT ); Fri, 17 Sep 2021 23:10:12 -0400 Received: from mail-pj1-f52.google.com ([209.85.216.52]:42723 "EHLO mail-pj1-f52.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236021AbhIRDKL (ORCPT ); Fri, 17 Sep 2021 23:10:11 -0400 Received: by mail-pj1-f52.google.com with SMTP id p12-20020a17090adf8c00b0019c959bc795so3125398pjv.1 for ; Fri, 17 Sep 2021 20:08:49 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:message-id:date:mime-version:user-agent:subject :content-language:to:cc:references:from:in-reply-to :content-transfer-encoding; bh=OVAPmJq/QKLFpO7jIJExDhsLqi/sMtM/QdQdGrccb5I=; b=nJbw8KreEFvVuwhQja1kD8WNJAGhT+rh0RR/4w9o3VXzWYl45WSs+2JiCjJ+wbhLI4 yEIcmi47Lfl9f+T3mEriqdvSvsukL0gRB4nvLKUa9Son7zDpe8Nxn7YXULf7d+7gs/f2 5S2cy3whSNQptD6B4VPWyVjhmGE3fnUtYj/Q3NypOyIUCM19Av2/KGKKkOxx4uX8YpPX ZlydVkA1WesrakeISsOfnODxIkr/FIDS/YxNQU3xVaS1x4vWONalCYsgRGeuvWhtyJIK AuY8ziMz9kck04oVKhSjzJgCpjDYlZjfSTDxIRFdiuGxL1SY2lLT+dC5pnNkiZ6CCkn6 IvWg== X-Gm-Message-State: AOAM532sGm2tWH4B/vF4RXKyD7KpBQ0NXe/QLFMbyzTNUSD8/HrEQm+k gcEnURh2YV+naljkLlQnquc= X-Google-Smtp-Source: ABdhPJy+MVuDqubbZvpb9dxt49K40FLJ2VwAN2Az8KS92Y7jQF66xUpVIQG7Z985F9l/9LYjDF45+g== X-Received: by 2002:a17:90a:fd85:: with SMTP id cx5mr24948234pjb.168.1631934528712; Fri, 17 Sep 2021 20:08:48 -0700 (PDT) Received: from ?IPV6:2601:647:4000:d7:eb4a:447e:487f:caa3? ([2601:647:4000:d7:eb4a:447e:487f:caa3]) by smtp.gmail.com with ESMTPSA id e13sm3245912pfn.212.2021.09.17.20.08.47 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 17 Sep 2021 20:08:48 -0700 (PDT) Message-ID: Date: Fri, 17 Sep 2021 20:08:46 -0700 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.0.3 Subject: Re: [PATCH 57/84] nsp32: Call scsi_done() directly Content-Language: en-US To: Masanori Goto Cc: "Martin K . Petersen" , linux-scsi@vger.kernel.org, YOKOTA Hiroshi , "James E.J. Bottomley" References: <20210918000607.450448-1-bvanassche@acm.org> <20210918000607.450448-58-bvanassche@acm.org> From: Bart Van Assche In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org On 9/17/21 18:10, Masanori Goto wrote: > I'm not sure this is a safe approach in general, but any background of > this change? This patch series realizes two improvements: - It improves performance for SCSI drivers that can provide high performance (millions of IOPS). - It reduces the size of struct scsi_cmnd. Thanks, Bart.