From: Luiz Capitulino <lcapitulino@redhat.com>
To: Eric Blake <eblake@redhat.com>
Cc: KVM devel mailing list <kvm@vger.kernel.org>,
qemu-devel qemu-devel <qemu-devel@nongnu.org>,
Osier Yang <jyang@redhat.com>,
quintela@redhat.com
Subject: Re: [Qemu-devel] KVM call minutes for 2013-04-23
Date: Wed, 24 Apr 2013 11:30:14 -0400 [thread overview]
Message-ID: <20130424113014.372059a7@redhat.com> (raw)
In-Reply-To: <5176B191.50406@redhat.com>
On Tue, 23 Apr 2013 10:06:41 -0600
Eric Blake <eblake@redhat.com> wrote:
> > we can change "drive_mirror" to use a new command to see if there
> > are the new features.
>
> drive-mirror changed in 1.4 to add optional buf-size parameter; right
> now, libvirt is forced to limit itself to 1.3 interface (no buf-size or
> granularity) because there is no introspection and no query-* command
> that witnesses that the feature is present. Idea was that we need to
> add a new query-drive-mirror-capabilities (name subject to bikeshedding)
> command into 1.5 that would let libvirt know that buf-size/granularity
> is usable (done right, it would also prevent the situation of buf-size
> being a write-only interface where it is set when starting the mirror
> but can not be queried later to see what size is in use).
>
> Unclear whether anyone was signing up to tackle the addition of a query
> command counterpart for drive-mirror in time for 1.5.
I can do it.
Nice write-up Eric!
next prev parent reply other threads:[~2013-04-24 15:30 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-04-23 14:45 [Qemu-devel] KVM call minutes for 2013-04-23 Juan Quintela
2013-04-23 16:06 ` Eric Blake
2013-04-24 8:03 ` Stefan Hajnoczi
2013-04-24 15:43 ` Luiz Capitulino
2013-04-24 15:21 ` Anthony Liguori
2013-04-24 15:30 ` Luiz Capitulino [this message]
2013-04-24 21:37 ` Eric Blake
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