On Wed, Mar 26, 2025 at 10:53:20 +0100, Markus wrote:
> zoudongjie via <qemu-de...@nongnu.org> writes:
>
> > From: Zhu Yangyang <zhuyangyan...@huawei.com>
> >
> > Calling qmp_block_set_io_throttle() will be blocked for a long time
> > when a network disk is configured and the network failure is just about
> > to occur.
> >
> > Therefore, we add a timeout parameter for qmp_block_set_io_throttle to
> > control
> > its execution duration.
>
> What's the QMP reply when a block_set_io_throttle command times out?
The reply is:
{"id":"libvirt-484","error":{"class":"GenericError","desc":"Blk io limits
disable timeout"}}
>
> >
> > The default value of timeout is 0, that is infinite wait, consistent with
> > previous behavior.
> >
> > Signed-off-by: Zhu Yangyang <zhuyangyan...@huawei.com>
>
> [...]
>
> > diff --git a/qapi/block-core.json b/qapi/block-core.json
> > index b1937780e1..88ef593efd 100644
> > --- a/qapi/block-core.json
> > +++ b/qapi/block-core.json
> > @@ -2626,6 +2626,9 @@
> > #
> > # @group: throttle group name (Since 2.4)
> > #
> > +# @timeout: In seconds. Timeout for block_set_io_throttle,
> > +# 0 means no limit. Defaults to 0. (Since 10.0)
>
> Make that 10.1, since it won't make 10.0.
Ok, I'll correct it in the next version.
>
> > +#
> > # Features:
> > #
> > # @deprecated: Member @device is deprecated. Use @id instead.
> > @@ -2642,7 +2645,7 @@
> > '*bps_max_length': 'int', '*bps_rd_max_length': 'int',
> > '*bps_wr_max_length': 'int', '*iops_max_length': 'int',
> > '*iops_rd_max_length': 'int', '*iops_wr_max_length': 'int',
> > - '*iops_size': 'int', '*group': 'str' } }
> > + '*iops_size': 'int', '*group': 'str', '*timeout': 'uint32'} }
> >
> > ##
> > # @ThrottleLimits:
