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Max Reitz authored
Add a common function for opening images to be used for block drivers specified through BlockdevRefs in an option QDict. The difference from bdrv_file_open() is that this function may invoke bdrv_open() instead, allowing auto-detection of the driver to be used; and second, it automatically extracts the BlockdevRef from the option QDict. Signed-off-by: Max Reitz <mreitz@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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