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,DKIMWL_WL_HIGH, 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 DA735C433ED for ; Mon, 12 Apr 2021 12:00:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B103361289 for ; Mon, 12 Apr 2021 12:00:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240641AbhDLMAw (ORCPT ); Mon, 12 Apr 2021 08:00:52 -0400 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:29454 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239950AbhDLMAw (ORCPT ); Mon, 12 Apr 2021 08:00:52 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1618228833; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=fqhV33RkbsMbtO9g46LNef0TvFJ+Oo49emjwqgVWPXY=; b=fQtv9lnKyq/t27ZtOVHJAzKQP0wWAIytvQqlLb4cDbk+8mv8SQsEgOIQTpgiBS5oo6WWhu ktgJECZS/EO5WhDt/EZn2Y8z7AexwTxcYUmMhlZk7yaU0DT97rzaXkXwAUMlRZTE0O0kxQ /CfYVwJ3pBi7HNSidb1MdULeRg3at80= Received: from mail-wm1-f71.google.com (mail-wm1-f71.google.com [209.85.128.71]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-341-zCgtvGJiPamAsJwAR4j_5g-1; Mon, 12 Apr 2021 08:00:30 -0400 X-MC-Unique: zCgtvGJiPamAsJwAR4j_5g-1 Received: by mail-wm1-f71.google.com with SMTP id j187-20020a1c23c40000b0290127873d3384so1573574wmj.6 for ; Mon, 12 Apr 2021 05:00:29 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=fqhV33RkbsMbtO9g46LNef0TvFJ+Oo49emjwqgVWPXY=; b=H4Q29NSPkEl8Y3idvi2zDz/kxDox91l4F7EZ7JkMfQ71SdKHTvyXkhuoLf6kKWLOrE trLrSgBMJCo0jivUO4LiDdQmmraBWIeRlYwS9fcGapATTJlCONv/BA93SHR9jTcN9+dQ Oo2o58uk6kL9267GlaX0NlnklTXbZOmlbXkjsdqVWeMkIXdfawxSdv62zLrzhIb8Nw+0 2Laq6d7Drq9I8455OZrpnPmtx026Sb7zTBCU/CbEXjG/sCuDVOIwQmZxuBN4siFtQIlA byJi/UfwXBlX5QBaED0BYC19zi4Bnh0o0NibyK915sOmhAjiBC0Eg2kgs6kuKz3wCOuC 3whA== X-Gm-Message-State: AOAM531Kym+4Cqw5raL25C/YkE6A8E3nPkEOA2eNcm99hSqMT95Y/fLX sTmkOYRb74ulieYDacsOp4k8+59Hi2E8v+fraUmlYIorTC3eNiDtYB76xsZK+J9iCg53wJfMYSY c4AKYP0NznLmgarI4UyMu0EA= X-Received: by 2002:a1c:2985:: with SMTP id p127mr21710530wmp.165.1618228829093; Mon, 12 Apr 2021 05:00:29 -0700 (PDT) X-Google-Smtp-Source: ABdhPJx2SCE8sMznZG6rxO4GSbL4qQt0Uw6bMoyj3GCEYG1byM8BieOAw3WLYqRj7PoobgERMieckw== X-Received: by 2002:a1c:2985:: with SMTP id p127mr21710521wmp.165.1618228828984; Mon, 12 Apr 2021 05:00:28 -0700 (PDT) Received: from redhat.com ([2a10:8006:2281:0:1994:c627:9eac:1825]) by smtp.gmail.com with ESMTPSA id j14sm16118383wrw.69.2021.04.12.05.00.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 12 Apr 2021 05:00:28 -0700 (PDT) Date: Mon, 12 Apr 2021 08:00:24 -0400 From: "Michael S. Tsirkin" To: Christoph Hellwig Cc: Stefan Hajnoczi , Enrico Granata , 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: <20210412074309-mutt-send-email-mst@kernel.org> References: <20210330231602.1223216-1-egranata@google.com> <20210412094217.GA981912@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210412094217.GA981912@infradead.org> Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org On Mon, Apr 12, 2021 at 10:42:17AM +0100, Christoph Hellwig wrote: > 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. Are we talking about the lifetime feature here? UFS has it too right? It's not too late to change things if necessary... it would be great if you could provide more of the feedback on this on the TC mailing list. > 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. Noted. It would be great if we had more representation from the storage community ... meanwhile what would a good forum for this be? linux-block@vger.kernel.org ? Thanks, -- MST