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=-5.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS 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 41BAEC49361 for ; Mon, 21 Jun 2021 05:55:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 282BF60720 for ; Mon, 21 Jun 2021 05:55:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229618AbhFUF5m (ORCPT ); Mon, 21 Jun 2021 01:57:42 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54820 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229487AbhFUF5m (ORCPT ); Mon, 21 Jun 2021 01:57:42 -0400 Received: from mail-ed1-x536.google.com (mail-ed1-x536.google.com [IPv6:2a00:1450:4864:20::536]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7E6C8C061574 for ; Sun, 20 Jun 2021 22:55:28 -0700 (PDT) Received: by mail-ed1-x536.google.com with SMTP id t3so17220093edc.7 for ; Sun, 20 Jun 2021 22:55:28 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ionos.com; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=wVxW82TZajJoWvfYgmj56Y4NKLditxEUh2I4hEVgGI4=; b=Er2Kc/Yu5zRDtTv8WUToOEJPTJiodIBa0lujUJNY+JKKyX1Q+IlrhMMU6VkyOB9cHB 4+h8SYXsEAcumRgcpI3ZfXdDoU0M/+CH9fjsUbiGNrfV3k3k9z83DgajBGG5hA1Zsi2f bE905ywnkr60nclZkDpYIqXT8XKsJuiu/bv2E2N51PZLXW9bwAM/iq6+SdIDYVVJLaZ6 DRkVK8DIY9t37auKPjP0+l1SHVlLp431dQsqtnhC6MEiXMX0Z6F8HmyTviJE6Q5tQ68X J02Y3kM2MP1YVVq9ya/yWj++zSvGD2zxqWDQEx4COuBei8PH7j+f9jIgcUNpfSndRLU/ HmWg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=wVxW82TZajJoWvfYgmj56Y4NKLditxEUh2I4hEVgGI4=; b=kfbE6ReOKirBJHE6hbY6+o3wWrDiKS3P4X89lNWmpHpt0kIfbw6im8v5qj29NUPJtD d3VfEAaeSh8hfn7mygzHISzvPI49xblIzqL2cSd9Hr+rULSka6rLkNnBHzNqjyuBn0mk eU1Vn/GVvZsCSDls3nzCifRohbne9h9J82Db0CD4JKGIbXbBVki63tX5QUnU3Zv1ToI3 SblXaSrMWkVbsUVVrBcKNKURh1ChdainSK4eMksLlBBftjkr30v1Ilu2aUg2kfexSyZc xjhxMMRpNml/0Ct/1zB2PTDIk9o4r4669OyyUykcSHd7NLF4zYXDQG2mxVFCe+0EbueA DZZg== X-Gm-Message-State: AOAM530Mu0oNQuuytwG6Czezr3dxsTwBGtYIYb2ziAMg4LR0ZIORXlQe uKEviUFnTlWLa83D+iBSlqZTkzkIuX1FIHGzYCCYUw== X-Google-Smtp-Source: ABdhPJysWpjDV6IRfun4wf0RgXqcRoFxtC0vQX4615sJ2k3rWyWOVTVozw0Gd80qHWTv5Xk5kj7z2ltqt3PsSfBlq78= X-Received: by 2002:aa7:d955:: with SMTP id l21mr241145eds.35.1624254927032; Sun, 20 Jun 2021 22:55:27 -0700 (PDT) MIME-Version: 1.0 References: <20210608113536.42965-1-jinpu.wang@ionos.com> <20210618165400.GA2052769@nvidia.com> In-Reply-To: <20210618165400.GA2052769@nvidia.com> From: Jinpu Wang Date: Mon, 21 Jun 2021 07:55:16 +0200 Message-ID: Subject: Re: [PATCH for-next 0/5] RTRS enable write path fast memory regitration To: Jason Gunthorpe Cc: RDMA mailing list , Bart Van Assche , Leon Romanovsky , Doug Ledford , Haris Iqbal , Jens Axboe Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org On Fri, Jun 18, 2021 at 6:54 PM Jason Gunthorpe wrote: > > On Tue, Jun 08, 2021 at 01:35:31PM +0200, Jack Wang wrote: > > Hi Jason, hi Doug, hi Jens > > > > Please consider to include following changes to the next merge window. > > > > This enables fast memory registration for write IO patch, so rtrs can > > support bigger IO than 116k without splitting. With this in place, both > > read/write request are more symmetric, and we can also reduce the memory > > usage. > > > > The patchset is orgnized as: > > - patch1 preparation. > > - patch2 implement fast memory registration for write patch. > > - patch3 reduce memory usage. > > - patch4 raise MAX_SGEMENTs > > - patch5 rnbd-clt to query and use the max_sgements setting. > > > > As the main change is in RTRS, so it's easier to go through RDMA tree, hence > > send this patchset to linux-rdma. > > > > This patchset depends on: https://lore.kernel.org/linux-rdma/20210608103039.39080-1-jinpu.wang@ionos.com/T/#t > > It doesn't apply - please rebase and resend it > > Jason Sorry for the inconvenience, just rebased and resent. https://lore.kernel.org/linux-rdma/20210621055340.11789-1-jinpu.wang@ionos.com/T/#t Thanks!