@@ -114,6 +114,62 @@ class TestActiveMirror(iotests.QMPTestCase):
def testActiveIOFlushed(self):
self.doActiveIO(True)
+ def testCOR(self):
+ # Fill the source image
+ self.vm.hmp_qemu_io('source',
+ 'write -P 1 0 %i' % self.image_len);
+
+ # Start some background requests
+ for offset in range(0, self.image_len / 2, 1024 * 1024):
+ self.vm.hmp_qemu_io('source', 'aio_write -P 2 %i 1M' % offset)
+
+ # Start the block job
+ 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')
+ self.assert_qmp(result, 'return', {})
+
+ # Stop background request processing
+ result = self.vm.qmp('job-pause', id='mirror')
+
+ result = self.vm.qmp('blockdev-add',
+ node_name='cor-node',
+ driver='copy-on-read',
+ file='mirror-node')
+ self.assert_qmp(result, 'return', {})
+
+ # Now read everything, thus synchronously copying it to the
+ # target
+ for offset in range(0, self.image_len, 1024 * 1024):
+ self.vm.hmp_qemu_io('cor-node', 'read %i 1M' % offset)
+
+ # Resuming the job should make it READY immediately, because
+ # the read requests from cor-node above should have copied
+ # everything to target already.
+ # Set the job speed to 1 before resuming it, so that we can
+ # see that the READY event really comes immediately.
+
+ result = self.vm.qmp('block-job-set-speed',
+ device='mirror',
+ speed=1)
+ self.assert_qmp(result, 'return', {})
+
+ result = self.vm.qmp('job-resume', id='mirror')
+ self.assert_qmp(result, 'return', {})
+
+ # Wait for the READY event; if we get a timeout here, reading
+ # from cor-node has failed to copy something to target
+ self.vm.event_wait(name='BLOCK_JOB_READY', timeout=5.0)
+
+ self.vm.hmp_qemu_io('source', 'aio_flush')
+ self.potential_writes_in_flight = False
+
+ self.complete_and_wait(drive='mirror', wait_ready=False)
+
if __name__ == '__main__':
@@ -1,5 +1,5 @@
-..
+...
----------------------------------------------------------------------
-Ran 2 tests
+Ran 3 tests
OK
Signed-off-by: Max Reitz <mreitz@redhat.com> --- tests/qemu-iotests/151 | 56 ++++++++++++++++++++++++++++++++++++++ tests/qemu-iotests/151.out | 4 +-- 2 files changed, 58 insertions(+), 2 deletions(-)