From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:53247) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WvSIa-00015a-O5 for qemu-devel@nongnu.org; Fri, 13 Jun 2014 10:17:52 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1WvSIT-0006ix-2V for qemu-devel@nongnu.org; Fri, 13 Jun 2014 10:17:44 -0400 Received: from lputeaux-656-01-25-125.w80-12.abo.wanadoo.fr ([80.12.84.125]:46726 helo=paradis.irqsave.net) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WvSIS-0006ig-Rv for qemu-devel@nongnu.org; Fri, 13 Jun 2014 10:17:36 -0400 Date: Fri, 13 Jun 2014 16:17:34 +0200 From: =?iso-8859-1?Q?Beno=EEt?= Canet Message-ID: <20140613141734.GA10779@irqsave.net> References: <20140613135355.GB20898@localhost.localdomain> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline In-Reply-To: <20140613135355.GB20898@localhost.localdomain> 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: Jeff Cody Cc: Kevin Wolf , =?iso-8859-1?Q?Beno=EEt?= Canet , Fam Zheng , Stefan Hajnoczi , qemu-devel , Markus Armbruster , Max Reitz The Friday 13 Jun 2014 =E0 09:53:55 (-0400), Jeff Cody wrote : > On Fri, Jun 13, 2014 at 09:28:28PM +0800, Stefan Hajnoczi wrote: > > >=20 > >=20 > > * Mutual exclusion of operations/background jobs (bs->in_use / Block= OpType) > > * 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 t= o > > the matrix > > * Recursively add blockers to child nodes (driver method?) [Benoit] > >=20 >=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. Ok as you want tell me want you want to take I'll do the rest. Best regards Beno=EEt >=20 > Thanks, > Jeff >=20