From mboxrd@z Thu Jan 1 00:00:00 1970 From: Christoph Hellwig Subject: Re: KVM call agenda for Mar 16 Date: Tue, 16 Mar 2010 06:45:17 -0400 Message-ID: <20100316104517.GA31038@infradead.org> References: <20100316070155.GK3732@x200.localdomain> <20100316092944.GB23617@redhat.com> <4B9F52D4.2030208@redhat.com> <20100316103146.GF23617@redhat.com> <4B9F5F8A.4080105@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: "Daniel P. Berrange" , Juan Quintela , Chris Wright , kvm@vger.kernel.org, qemu-devel@nongnu.org To: Avi Kivity Return-path: Received: from bombadil.infradead.org ([18.85.46.34]:56263 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933397Ab0CPKpS (ORCPT ); Tue, 16 Mar 2010 06:45:18 -0400 Content-Disposition: inline In-Reply-To: <4B9F5F8A.4080105@redhat.com> Sender: kvm-owner@vger.kernel.org List-ID: On Tue, Mar 16, 2010 at 12:38:02PM +0200, Avi Kivity wrote: > On 03/16/2010 12:31 PM, Daniel P. Berrange wrote: >>> Polling loops are an indication that something is wrong. >>> >> Except when people suggest they are the right answer, qcow high >> watermark ;-P >> > > I liked Anthony's suggestion of an lvm2 block format driver. No polling. I have done some work on linking the new lvm library to qemu to control snapshotting. But introducing a whole new block format seems like a lot of duplication to me.