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由 Jeff Cody 提交于
This adds in read-only support to the VHDX image format. This supports reads for fixed-size, and dynamic sized VHDX images. Differencing files are still unsupported. The image must be opened without BDRV_O_RDWR set, because we do not yet update the headers. I.e., pass 'readonly=on' in the drive image options from the QEMU commandline. Signed-off-by: NJeff Cody <jcody@redhat.com> Signed-off-by: NStefan Hajnoczi <stefanha@redhat.com>
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