block: Add options QDict to bdrv_open() prototype
It doesn't do anything yet except storing the options QDict in the BlockDriverState. Signed-off-by:Kevin Wolf <kwolf@redhat.com> Reviewed-by:
Eric Blake <eblake@redhat.com> Reviewed-by:
Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by:
Stefan Hajnoczi <stefanha@redhat.com>
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