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 39FA6C43461 for ; Mon, 12 Apr 2021 09:46:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1299D611AD for ; Mon, 12 Apr 2021 09:46:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240384AbhDLJql (ORCPT ); Mon, 12 Apr 2021 05:46:41 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47974 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S243737AbhDLJmz (ORCPT ); Mon, 12 Apr 2021 05:42:55 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 103E6C061574; Mon, 12 Apr 2021 02:42:37 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=YS9rUfAaFraTST+vXue/0eDUYwela3jJ0Z8xBNf5UYk=; b=n7QXyakpl2KmOmEFeCivlGPDqb GVgsGtspChp4+CIRmPbUgA56GjXJ6t/hTQgt7VJIeu2WM/lIeU9+aBeLbWPz/PaoTdyBLORyevrp4 MLFkLtmMQNLiFBTxB2EoYTvvd6WhDzDBDq9qxWKd0EK1fwRJkVurKRcJ2c/vz3YLz4SoWVzEKDuW0 G/fjXsxhUUGxjXgfGF/xR//L/T2QYXqA9MX60tKreWQ3+7h7JMznbYNHAss/+jhWhulbn6f6Afkuy D2fwN6kgZD9MFuwwfWKL9WWms+949ZxtlqMcpy5IckEJjZuqgNw8BZIuYEanb1iocy3q/H6O+JL9F GwBS48nw==; Received: from hch by casper.infradead.org with local (Exim 4.94 #2 (Red Hat Linux)) id 1lVt5F-0047XO-Jf; Mon, 12 Apr 2021 09:42:22 +0000 Date: Mon, 12 Apr 2021 10:42:17 +0100 From: Christoph Hellwig To: Stefan Hajnoczi Cc: Enrico Granata , mst@redhat.com, jasowang@redhat.com, pbonzini@redhat.com, axboe@kernel.dk, virtualization@lists.linux-foundation.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] virtio_blk: Add support for lifetime feature Message-ID: <20210412094217.GA981912@infradead.org> References: <20210330231602.1223216-1-egranata@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org. See http://www.infradead.org/rpr.html Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org A note to the virtio committee: eMMC is the worst of all the currently active storage standards by a large margin. It defines very strange ad-hoc interfaces that expose very specific internals and often provides very poor abstractions. It would be great it you could reach out to the wider storage community before taking bad ideas from the eMMC standard and putting it into virtio.