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=-0.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, 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 C90BFC2D0BF for ; Thu, 5 Dec 2019 14:44:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9BB4621835 for ; Thu, 5 Dec 2019 14:44:23 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=blockbridge-com.20150623.gappssmtp.com header.i=@blockbridge-com.20150623.gappssmtp.com header.b="CuuoiKed" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729430AbfLEOoW (ORCPT ); Thu, 5 Dec 2019 09:44:22 -0500 Received: from mail-ot1-f41.google.com ([209.85.210.41]:39553 "EHLO mail-ot1-f41.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729240AbfLEOoW (ORCPT ); Thu, 5 Dec 2019 09:44:22 -0500 Received: by mail-ot1-f41.google.com with SMTP id 77so2776074oty.6 for ; Thu, 05 Dec 2019 06:44:21 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=blockbridge-com.20150623.gappssmtp.com; s=20150623; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=7s4JQTEdjPmFNYaI5B29BFTXVQs+UKOANRkCHolsJ14=; b=CuuoiKed4MEPD9+MqamEqAcFzgwxZsWo1rNXQ9lYrvqTdTUxiPXH9onz9z60JDj4V+ 8YRnpfO/Y1pCWtVlb/qbbcnZE0JDLqgONNLG3voHqdPbX8Nnl41ZM6Aq47rU2+0HKlN4 JNXobe63xWFMHcW4e3sLN2LMqjAkMx//9WlADwmOWEXr2cvbEZQFQsCYxtKQ/OoKKxXo Mjkd/e1h33kSt8R8OLHm//0hyO/a1fiO4nV2t6r5Ug0dY7DS/6Z5tVL/5633HHVDNKjt BEl7U3afeGnk9NDWvlFcud+uNr3cth2Bo9dgBqsAq5dDYRP4eXO4gnAVvKfmS6eNgjGK 8Sag== 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=7s4JQTEdjPmFNYaI5B29BFTXVQs+UKOANRkCHolsJ14=; b=M1kdiSCEIrZhnx1+pv48dt5UdgHhs1q057f8ruB0cWbYESyD9eBrL1qbtgQLxyLgmq KfcMjJbbyKtyK/zJWbg5T6cGFNGnNg3hM2CSJfjzLu7xrntVViDgPri9tGK8dJRoBHGF n5e8MNyRaFBzQBJT4noctAQuOQWYCjrJE7QMNp2wlwJppqrVgrXIjYdpxuGu+MX+r/X1 TOMXfeiTGv2QRXTUnKs2iL0410a4nvnQoVJi/g75q4jDxcJeSXKx64cb/41UCTDeVz7n IdpTe1xd7AEDyjhcICo/xagnUqK/A4xj4xIHerhqwZ1dsPBOzEiTLmfibypj9IzE1M/0 VqqA== X-Gm-Message-State: APjAAAU3LH+sNu4tGcJvLO4dFj10Z6GW4Ro5NkiozzJeAdVYPBMhYWaG Jzvn1lttDzzTn7lWI/Ke6rzsttJuddj8NfqJyB2+/eHGuCnVrw== X-Google-Smtp-Source: APXvYqxexfBfOd8xUtRQNR5HIQ6mQugnieMgIjTub1FS+7nvU8GGRglLUM4azifsJW1OZMvCMRt2xHV4PhCOe1O+yOc= X-Received: by 2002:a05:6830:1248:: with SMTP id s8mr6774044otp.202.1575557060619; Thu, 05 Dec 2019 06:44:20 -0800 (PST) MIME-Version: 1.0 References: <20191203005849.GB25002@ming.t460p> <20191203031444.GB6245@ming.t460p> <20191203124558.GA22805@ming.t460p> <20191204010529.GA3910@ming.t460p> <20191204230225.GA26189@ming.t460p> <683a4567-6b34-ac3b-93ff-74d788ac4242@acm.org> In-Reply-To: <683a4567-6b34-ac3b-93ff-74d788ac4242@acm.org> From: Stephen Rust Date: Thu, 5 Dec 2019 09:44:09 -0500 Message-ID: Subject: Re: Data corruption in kernel 5.1+ with iSER attached ramdisk To: Bart Van Assche Cc: Ming Lei , Rob Townley , Christoph Hellwig , Jens Axboe , linux-block@vger.kernel.org, linux-rdma@vger.kernel.org, linux-scsi@vger.kernel.org, martin.petersen@oracle.com, target-devel@vger.kernel.org, Doug Ledford , Jason Gunthorpe , Sagi Grimberg , Max Gurtovoy Content-Type: text/plain; charset="UTF-8" Sender: linux-block-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org On Wed, Dec 4, 2019 at 7:16 PM Bart Van Assche wrote: > > Do you need the iSER protocol? I think that the NVMeOF and SRP drivers > also support RoCE and that these align data buffers on a 512 byte boundary. Hi Bart, In this case we do. But thank you for the other references. Those might be options for us for other use cases. Thanks, Steve