From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jens Axboe Subject: Re: avoid the ->make_request_fn indirect for blk-mq drivers Date: Sat, 25 Apr 2020 09:45:34 -0600 Message-ID: <98cd7aac-e4ee-8de0-e7aa-0d3e1a2b20e0@kernel.dk> References: <20200425075336.721021-1-hch@lst.de> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Return-path: Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52558 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1726076AbgDYPpg (ORCPT ); Sat, 25 Apr 2020 11:45:36 -0400 Received: from mail-pj1-x102e.google.com (mail-pj1-x102e.google.com [IPv6:2607:f8b0:4864:20::102e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 46355C09B04B for ; Sat, 25 Apr 2020 08:45:36 -0700 (PDT) Received: by mail-pj1-x102e.google.com with SMTP id t9so5187047pjw.0 for ; Sat, 25 Apr 2020 08:45:36 -0700 (PDT) In-Reply-To: <20200425075336.721021-1-hch@lst.de> Content-Language: en-US Sender: linux-bcache-owner@vger.kernel.org List-Id: linux-bcache@vger.kernel.org To: Christoph Hellwig Cc: dm-devel@redhat.com, linux-bcache@vger.kernel.org, linux-block@vger.kernel.org On 4/25/20 1:53 AM, Christoph Hellwig wrote: > Hi Jens, > > this small series avoids an indirect call for every submitted bio that > eventually ends up being handled by blk-mq drivers. Let me know what > you think. I like it, I've been pondering something like this for a bit, but I like the simplicity of this one and changing it so that only non-regular make_request_fn is set. I'll apply this. -- Jens Axboe