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=-5.3 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,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 477E6C433B4 for ; Mon, 26 Apr 2021 17:05:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0DCC0613AF for ; Mon, 26 Apr 2021 17:05:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235271AbhDZRGL (ORCPT ); Mon, 26 Apr 2021 13:06:11 -0400 Received: from verein.lst.de ([213.95.11.211]:42164 "EHLO verein.lst.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235548AbhDZRGB (ORCPT ); Mon, 26 Apr 2021 13:06:01 -0400 Received: by verein.lst.de (Postfix, from userid 2407) id 1FF8868C4E; Mon, 26 Apr 2021 19:05:17 +0200 (CEST) Date: Mon, 26 Apr 2021 19:05:16 +0200 From: Christoph Hellwig To: Jens Axboe Cc: Christoph Hellwig , Jeffle Xu , Ming Lei , Damien Le Moal , linux-block@vger.kernel.org, linux-fsdevel@vger.kernel.org Subject: Re: switch block layer polling to a bio based model Message-ID: <20210426170516.GA1443@lst.de> References: <20210426134821.2191160-1-hch@lst.de> <2d229167-f56d-583b-569c-166c97ce2e71@kernel.dk> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <2d229167-f56d-583b-569c-166c97ce2e71@kernel.dk> User-Agent: Mutt/1.5.17 (2007-11-01) Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org Can you test the force pushed update? This now avoids the RCU free for each bio and just uses SLAB_TYPESAFE_BY_RCU instead.