Re: [Qemu-devel] [PATCH v6 8/8] iotests: Use event_wait in wait_ready

[Paolo Bonzini <pbonzini@redhat.com>]

On 28/05/2015 07:29, Fam Zheng wrote:
> Only poll the specific type of event we are interested in, to avoid
> stealing events that should be consumed by someone else.
> 
> Suggested-by: John Snow <jsnow@redhat.com>
> Signed-off-by: Fam Zheng <famz@redhat.com>
> Reviewed-by: John Snow <jsnow@redhat.com>
> ---
>  tests/qemu-iotests/iotests.py | 9 ++-------
>  1 file changed, 2 insertions(+), 7 deletions(-)
> 
> diff --git a/tests/qemu-iotests/iotests.py b/tests/qemu-iotests/iotests.py
> index 63de726..8615b10 100644
> --- a/tests/qemu-iotests/iotests.py
> +++ b/tests/qemu-iotests/iotests.py
> @@ -328,13 +328,8 @@ class QMPTestCase(unittest.TestCase):
>  
>      def wait_ready(self, drive='drive0'):
>          '''Wait until a block job BLOCK_JOB_READY event'''
> -        ready = False
> -        while not ready:
> -            for event in self.vm.get_qmp_events(wait=True):
> -                if event['event'] == 'BLOCK_JOB_READY':
> -                    self.assert_qmp(event, 'data/type', 'mirror')
> -                    self.assert_qmp(event, 'data/device', drive)
> -                    ready = True
> +        f = {'data': {'type': 'mirror', 'device': drive } }
> +        event = self.vm.event_wait(name='BLOCK_JOB_READY', match=f)
>  
>      def wait_ready_and_cancel(self, drive='drive0'):
>          self.wait_ready(drive=drive)
> 

Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>