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Re: [Qemu-devel] [Qemu-block] [PATCH v5 3/4] qmp: add monitor command to


From: Alberto Garcia
Subject: Re: [Qemu-devel] [Qemu-block] [PATCH v5 3/4] qmp: add monitor command to add/remove a child
Date: Thu, 08 Oct 2015 12:13:56 +0200
User-agent: Notmuch/0.13.2 (http://notmuchmail.org) Emacs/23.2.1 (i486-pc-linux-gnu)

On Thu 08 Oct 2015 12:03:45 PM CEST, Kevin Wolf wrote:
>> Note that if we want to make this interface stable there's one use
>> case missing: there's currently no way to change the vote threshold.
>> 
> The right way to change the voting threshold is bdrv_reopen(). Adding
> support to quorum for changing the threshold this way should be
> trivial.

Ah, and that would mean implementing quorum_reopen_*. Works for me.

> The hard part is how to expose it in QMP, which is why I've only added
> it to qemu-io so far (which happens to be accessible from HMP).
>
> If you need this functionality, let's start a new email thread and
> discuss the right QMP interface for blockdev-reopen (or blockdev-
> set-options or whatever you would call it).

Ok, sounds good. Thanks!

Berto



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