Hi Eric,
On Wed, Dec 14, 2016 at 10:37:43AM -0600, Eric Blake wrote:
> On 12/14/2016 02:22 AM, Wouter Verhelst wrote:
> > Hi Eric,
> >
> > On Tue, Dec 13, 2016 at 04:36:08PM -0600, Eric Blake wrote:
> >> On 12/13/2016 06:18 AM, Wouter Verhelst wrote:
> >>> On Tue, Dec 13, 2016 at 08:38:12AM +0100
> ... But your argument that 16 bits is at a premium may be worth
> considering an alternative representation for the same information.
>
> Possibility 1: when we run out of our current 16 transmission flags,
> we'll need a way to extend the protocol to support more than that. To
> do that, we'
On 12/14/2016 02:22 AM, Wouter Verhelst wrote:
> Hi Eric,
>
> On Tue, Dec 13, 2016 at 04:36:08PM -0600, Eric Blake wrote:
>> On 12/13/2016 06:18 AM, Wouter Verhelst wrote:
>>> On Tue, Dec 13, 2016 at 08:38:12AM +0100, Kevin Wolf wrote:
Am 12.12.2016 um 19:12 hat Wouter Verhelst geschrieben:
>
Hi Eric,
On Tue, Dec 13, 2016 at 04:36:08PM -0600, Eric Blake wrote:
> On 12/13/2016 06:18 AM, Wouter Verhelst wrote:
> > On Tue, Dec 13, 2016 at 08:38:12AM +0100, Kevin Wolf wrote:
> >> Am 12.12.2016 um 19:12 hat Wouter Verhelst geschrieben:
> >>> I'm not opposed to this proposal, per se, but the
On 12/13/2016 06:18 AM, Wouter Verhelst wrote:
> On Tue, Dec 13, 2016 at 08:38:12AM +0100, Kevin Wolf wrote:
>> Am 12.12.2016 um 19:12 hat Wouter Verhelst geschrieben:
>>> I'm not opposed to this proposal, per se, but there seems to be some
>>> disagreement (by Kevin, for instance) on whether this
> On 13 Dec 2016, at 12:18, Wouter Verhelst wrote:
>
> I'm not opposed either, but I do agree with you that we shouldn't add
> such a feature if it doesn't end up getting used. Especially so if it
> burns a flag in the (16-bit) "transmission flags" field, where space is
> at a premium.
I did su
On Tue, Dec 13, 2016 at 08:38:12AM +0100, Kevin Wolf wrote:
> Am 12.12.2016 um 19:12 hat Wouter Verhelst geschrieben:
> > I'm not opposed to this proposal, per se, but there seems to be some
> > disagreement (by Kevin, for instance) on whether this extension is at
> > all useful.
>
> FWIW, I'm not
> On 6 Dec 2016, at 09:25, Kevin Wolf wrote:
>
> Am 06.12.2016 um 00:42 hat Eric Blake geschrieben:
>> While not directly related to NBD_CMD_WRITE_ZEROES, the qemu
>> team discovered that it is useful if a server can advertise
>> whether an export is in a known-all-zeroes state at the time
>> th
