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由 Kevin Wolf 提交于
In the case of snapshot=on, don't rely on the backing file path in the temporary image any more, but override the backing file with the given set of options. This way, block drivers that don't use a file name can be accessed with snapshot=on, for example: -drive file.driver=nbd,file.host=localhost,snapshot=on Which becomes internally something like: file.filename=/tmp/vl.AWQZCu,backing.file.driver=nbd,backing.file.host=localhost Signed-off-by: NKevin Wolf <kwolf@redhat.com>
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