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Re: [Qemu-block] [Qemu-devel] [PATCH 1/1] HMP: Add equivalent to x-block
From: |
Dr. David Alan Gilbert |
Subject: |
Re: [Qemu-block] [Qemu-devel] [PATCH 1/1] HMP: Add equivalent to x-blockdev-change |
Date: |
Thu, 17 Dec 2015 16:48:28 +0000 |
User-agent: |
Mutt/1.5.24 (2015-08-30) |
* Eric Blake (address@hidden) wrote:
> On 12/17/2015 03:47 AM, Dr. David Alan Gilbert (git) wrote:
> > From: "Dr. David Alan Gilbert" <address@hidden>
> >
> > x-blockdev-change has no HMP equivalent, so add x_block_change.
> >
> > Example useages are:
>
> s/useages/usages/
Yep.
> > x_block_change foo -a bah
> > to add the node bah to the parent foo
> >
> > x_block_change foo -d bah
> > to delete the node bah from the parent foo
> >
> > Signed-off-by: Dr. David Alan Gilbert <address@hidden>
> > ---
>
> > +void hmp_block_change(Monitor *mon, const QDict *qdict)
> > +{
> > + const char *parent = qdict_get_str(qdict, "parent");
> > + const char *child = qdict_get_str(qdict, "child");
> > + bool add = qdict_get_try_bool(qdict, "add", false);
> > + bool del = qdict_get_try_bool(qdict, "del", false);
> > + Error *err = NULL;
> > +
> > + if (add == del) {
> > + error_setg(&err, "One of -a or -d must be set");
>
> Maybe s/One/Exactly one/ ?
Yep, can do.
> Limited in that we may eventually want to allow both add and delete at
> the same time; but HMP does not have hard-and-fast back-compat rules.
Oh I was assuming if we wanted to make a 'change' we'd add a -c.
> So I'm fine with fixing the minor issues mentioned above, and adding:
>
> Reviewed-by: Eric Blake <address@hidden>
Thanks.
Dave
>
> --
> Eric Blake eblake redhat com +1-919-301-3266
> Libvirt virtualization library http://libvirt.org
>
--
Dr. David Alan Gilbert / address@hidden / Manchester, UK