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# Date Author Comment
0dbe8a1b 06/28/2013 10:20 am Stefan Hajnoczi

qemu-iotests: extract wait_until_completed() into iotests.py

The 'drive-mirror' tests often issue 'block-job-complete' and wait for
the QMP completion event. Other types of block jobs also want to wait
for completion but they may not need to issue 'block-job-complete'....
ecc1c88e 06/04/2013 01:11 pm Stefan Hajnoczi

qemu-iotests: make assert_no_active_block_jobs() common

Tests 030 and 041 both use query-block-jobs to check whether any block
jobs are active. Make this code common so that 'drive-backup' and other
new feature tests will be able to reuse it.

Suggested-by: Kevin Wolf <>...
2575fe16 06/04/2013 01:11 pm Stefan Hajnoczi

qemu-iotests: make cancel_and_wait() common

The cancel_and_wait() function has been duplicated in 030 and 041. Move
it into iotests.py and let it return the event so tests can perform
additional asserts.

Note that 041's cancel_and_wait(wait_ready=True) is replaced by...
3a3918c3 06/04/2013 01:11 pm Stefan Hajnoczi

qemu-iotests: make compare_images() common

The iotests.compare_images() function returns True if two image files
have the identical data. Previously this was implemented by converting
images to raw and then comparing their contents using Python. Since
"qemu-img compare" is now available and is more efficient, switch to it....
2499a096 06/04/2013 01:11 pm Stefan Hajnoczi

qemu-iotests: make create_image() common

Both 030 and 041 use create_image(). Move it to iotests.py.

Also drop ImageStreamingTestCase since the class now has no methods.

Suggested-by: Kevin Wolf <>
Signed-off-by: Stefan Hajnoczi <>...
a04eca10 02/01/2013 03:58 pm Vishvananda Ishaya

block: Adds mirroring tests for resized images

This test verifies two mirroring issues are fixed with resized images:

  • sync='top' creates an image that is the proper size
  • sync='full' doesn't cause an assertion failure and crash qemu
    Reviewed-by: Paolo Bonzini <>...
08e4ed6c 01/25/2013 07:18 pm Paolo Bonzini

mirror: add buf-size argument to drive-mirror

This makes sense when the next commit starts using the extra buffer space
to perform many I/O operations asynchronously.

Signed-off-by: Paolo Bonzini <>
Signed-off-by: Kevin Wolf <>
b812f671 01/25/2013 07:18 pm Paolo Bonzini

mirror: perform COW if the cluster size is bigger than the granularity

When mirroring runs, the backing files for the target may not yet be
ready. However, this means that a copy-on-write operation on the target
would fill the missing sectors with zeros. Copy-on-write only happens...
44c7ca5e 10/24/2012 11:26 am Paolo Bonzini

qemu-iotests: add mirroring test case

Signed-off-by: Paolo Bonzini <>
Signed-off-by: Kevin Wolf <>
9dfa9f59 10/24/2012 11:26 am Paolo Bonzini

qemu-iotests: add testcases for mirroring on-source-error/on-target-error

The new options are tested with blkdebug on both the source and the
target.

Signed-off-by: Paolo Bonzini <>
Signed-off-by: Kevin Wolf <>