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=-1.0 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 EFE65C28CC3 for ; Fri, 7 Jun 2019 05:52:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C4EC720825 for ; Fri, 7 Jun 2019 05:52:44 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=kernel-dk.20150623.gappssmtp.com header.i=@kernel-dk.20150623.gappssmtp.com header.b="pDdAAUOp" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726996AbfFGFwm (ORCPT ); Fri, 7 Jun 2019 01:52:42 -0400 Received: from mail-wm1-f67.google.com ([209.85.128.67]:34626 "EHLO mail-wm1-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726961AbfFGFwk (ORCPT ); Fri, 7 Jun 2019 01:52:40 -0400 Received: by mail-wm1-f67.google.com with SMTP id w9so3266576wmd.1 for ; Thu, 06 Jun 2019 22:52:39 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel-dk.20150623.gappssmtp.com; s=20150623; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=36gEkNDx0uUeJoUQsXVk3mt2cfXOtD54F9aZsyl2w8M=; b=pDdAAUOpVsFzxNwV4O/e7ssQLNLp50XAh3glMTxl5eSnaHqtKF1ESH20wwt4BLQ/kh BH7Od/RfACcOXYVEIHend3957AwdYma2TIl9/LqXUz4RFZcrNMzz27LkuDXjVjWNKTih ByCP8NoFt4Peya0Fp9Z21FaEJu/O+2bb8GCVNqttwksWr2+ZPc0cmapZ1Anup+ViBNTZ vjBIujh54ocCaeRN2S4DXdXQ718laVtBtLQxjNMDeXv9pj9WBm/YV9GRPDwOtdsA5mWJ krketIS//R+rWMkC2qjWZnfTvl0ZR5/Jjz7KOThnoVy/qaKx6I0jpjjmoalU/zkPP0pe +kUA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=36gEkNDx0uUeJoUQsXVk3mt2cfXOtD54F9aZsyl2w8M=; b=ZNnv7haW1nYI01QHC9xrAfs0oaMdtvJFdOti25SHqmZWgFAA6gsH8GabDqYI1hS9zj 5v7OHP0GVP+gat+pqS8EJFbS+ZgIYGSoIuoyra72XcPamFoUK04u81mghD5BYDlyf1r+ dyy2YFGFCvpx0qXc+TAZ9BS2ny3kNiz3MOd4yUgevUafIrI8Tef9O2MEGGMOLjm7hEJD WE9wNVS2pUVUhVqocO6Tqq1cI9tuuMS7/UTZYLzFZPOPVZypwyd2sUqImrTDWVQ3KrPi C8uVUNiTEmCC+0TVed8L4HXCqh4v8EumDn1007fVWnsp8YdIh/x8TTuhpn1b0n75qGyr 5bTQ== X-Gm-Message-State: APjAAAW/86Za/lVkSOLWn8XbsA5Vj/8rs/Wwx9xWLGHe+4Tl9FWhScHd ibBSkBMshDntKFzeI2DSyCjPtmkks+/GDGtW X-Google-Smtp-Source: APXvYqxWfaiEDyUcmFI97Rqe1RFTEHA2+tg12ZBqTXrA/m0sqmbdeuwPeKLwpO4B0drdqMT3H41KnQ== X-Received: by 2002:a05:600c:204c:: with SMTP id p12mr2244021wmg.121.1559886757922; Thu, 06 Jun 2019 22:52:37 -0700 (PDT) Received: from [10.97.4.179] (aputeaux-682-1-82-78.w90-86.abo.wanadoo.fr. [90.86.61.78]) by smtp.gmail.com with ESMTPSA id j15sm819336wrn.50.2019.06.06.22.52.36 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 06 Jun 2019 22:52:37 -0700 (PDT) Subject: Re: properly communicate queue limits to the DMA layer To: Christoph Hellwig Cc: Sebastian Ott , Sagi Grimberg , Max Gurtovoy , Bart Van Assche , Ulf Hansson , Alan Stern , Oliver Neukum , linux-block@vger.kernel.org, linux-rdma@vger.kernel.org, linux-mmc@vger.kernel.org, linux-nvme@lists.infradead.org, linux-scsi@vger.kernel.org, megaraidlinux.pdl@broadcom.com, MPT-FusionLinux.pdl@broadcom.com, linux-hyperv@vger.kernel.org, linux-usb@vger.kernel.org, usb-storage@lists.one-eyed-alien.net, linux-kernel@vger.kernel.org References: <20190605190836.32354-1-hch@lst.de> <591cfa1e-fecb-7d00-c855-3b9eb8eb8a2a@kernel.dk> <20190605192405.GA18243@lst.de> From: Jens Axboe Message-ID: Date: Thu, 6 Jun 2019 23:52:35 -0600 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.7.0 MIME-Version: 1.0 In-Reply-To: <20190605192405.GA18243@lst.de> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 6/5/19 1:24 PM, Christoph Hellwig wrote: > On Wed, Jun 05, 2019 at 01:17:15PM -0600, Jens Axboe wrote: >> Since I'm heading out shortly and since I think this should make >> the next -rc, I'll tentatively queue this up. > > The SCSI bits will need a bit more review, and possibly tweaking > fo megaraid and mpt3sas. But they are really independent of the > other patches, so maybe skip them for now and leave them for Martin > to deal with. I dropped the SCSI bits. -- Jens Axboe