From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:47339) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WvRvm-0003L9-Tp for qemu-devel@nongnu.org; Fri, 13 Jun 2014 09:54:18 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1WvRvf-0006H3-FE for qemu-devel@nongnu.org; Fri, 13 Jun 2014 09:54:10 -0400 Received: from mx1.redhat.com ([209.132.183.28]:62236) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WvRvf-0006Gt-79 for qemu-devel@nongnu.org; Fri, 13 Jun 2014 09:54:03 -0400 Date: Fri, 13 Jun 2014 09:53:55 -0400 From: Jeff Cody Message-ID: <20140613135355.GB20898@localhost.localdomain> References: MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline In-Reply-To: Content-Transfer-Encoding: quoted-printable Subject: Re: [Qemu-devel] Block layer meeting notes from June 10/11 List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Stefan Hajnoczi Cc: Kevin Wolf , =?iso-8859-1?Q?Beno=EEt?= Canet , Fam Zheng , qemu-devel , Markus Armbruster , Max Reitz On Fri, Jun 13, 2014 at 09:28:28PM +0800, Stefan Hajnoczi wrote: > > * Mutual exclusion of operations/background jobs (bs->in_use / BlockOp= Type) > * Streaming in two different parts of the backing chain - allowed? > (Beno=EEt though that not, but does anything break?) > * Does streaming only require that streamed images stay read-only > (i.e. backing chain segment on which the operation is performed) > * Live commit in the opposite direction at the same time? >=20 > Action: > * Draw up matrix of operations (mirror, stream, resize, etc) > * Make op blocker mechanism use matrix as data instead of code > (define an array) > * Enforce that new QMP/QAPI commands and block jobs add themselves to > the matrix > * Recursively add blockers to child nodes (driver method?) [Benoit] >=20 Benoit, you have quite a few items on your list - would it be useful if I worked on this? It would dovetail nicely with the node-name commit/stream patches. Thanks, Jeff