From mboxrd@z Thu Jan 1 00:00:00 1970 From: Christoph Hellwig Subject: Re: [RFC] vhost-blk implementation Date: Mon, 5 Apr 2010 15:59:12 -0400 Message-ID: <20100405195912.GA17589@infradead.org> References: <1269306023.7931.72.camel@badari-desktop> <4BA891E2.9040500@redhat.com> <20100324200502.GB22272@infradead.org> <4BAB7AA8.8030509@shiftmail.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Christoph Hellwig , Avi Kivity , Badari Pulavarty , kvm@vger.kernel.org To: Asdo Return-path: Received: from bombadil.infradead.org ([18.85.46.34]:58004 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756100Ab0DET7V (ORCPT ); Mon, 5 Apr 2010 15:59:21 -0400 Content-Disposition: inline In-Reply-To: <4BAB7AA8.8030509@shiftmail.org> Sender: kvm-owner@vger.kernel.org List-ID: On Thu, Mar 25, 2010 at 04:00:56PM +0100, Asdo wrote: > Would the loop device provide the features of a block device? I recall > barrier support at least has been added recently. It does, but not in a very efficient way. > Is it recommended to run kvm on a loopback mounted file compared to on a > raw file? No.