Commit 19ba4651 authored by Max Reitz's avatar Max Reitz
Browse files

iotests: Test unaligned blocking mirror write 



Signed-off-by: default avatarMax Reitz <mreitz@redhat.com>
Message-id: 20190805113526.20319-1-mreitz@redhat.com
Reviewed-by: default avatarVladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Signed-off-by: default avatarMax Reitz <mreitz@redhat.com>
parent 9adc1cb4

tests/qemu-iotests/151

+25 −0
Original line number Diff line number Diff line
@@ -114,6 +114,31 @@ class TestActiveMirror(iotests.QMPTestCase): 
    def testActiveIOFlushed(self):

        self.doActiveIO(True)



    def testUnalignedActiveIO(self):

        # Fill the source image

        result = self.vm.hmp_qemu_io('source', 'write -P 1 0 2M')



        # Start the block job (very slowly)

        result = self.vm.qmp('blockdev-mirror',

                             job_id='mirror',

                             filter_node_name='mirror-node',

                             device='source-node',

                             target='target-node',

                             sync='full',

                             copy_mode='write-blocking',

                             buf_size=(1048576 // 4),

                             speed=1)

        self.assert_qmp(result, 'return', {})



        # Start an unaligned request to a dirty area

        result = self.vm.hmp_qemu_io('source', 'write -P 2 %i 1' % (1048576 + 42))



        # Let the job finish

        result = self.vm.qmp('block-job-set-speed', device='mirror', speed=0)

        self.assert_qmp(result, 'return', {})

        self.complete_and_wait(drive='mirror')



        self.potential_writes_in_flight = False





if __name__ == '__main__':

tests/qemu-iotests/151.out

+2 −2
Original line number Diff line number Diff line 
..

...

----------------------------------------------------------------------

Ran 2 tests

Ran 3 tests



OK