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由 Eric Blake 提交于
Commit 7a9877a0 made the 'device' parameter to BlockIOThrottle optional, favoring 'id' instead. But it forgot to update the HMP usage to set has_device, which makes all attempts to change throttling via HMP fail with "Need exactly one of 'device' and 'id'" CC: qemu-stable@nongnu.org Signed-off-by: NEric Blake <eblake@redhat.com> Message-Id: <20170120230359.4244-1-eblake@redhat.com> Reviewed-by: NStefan Hajnoczi <stefanha@redhat.com> Signed-off-by: NDr. David Alan Gilbert <dgilbert@redhat.com>
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