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由 Max Reitz 提交于
The null block driver ignores any filename used for creating its BDSs, which allows creating such BDSs even without any filename at all. In that case, we currently construct a JSON filename when queried instead of a plain "null-co://" or "null-aio://". This patch implements bdrv_refresh_filename() to remedy this behavior. Signed-off-by: NMax Reitz <mreitz@redhat.com> Message-id: 20160610185750.30956-4-mreitz@redhat.com [mreitz@redhat.com: Added commit message] Signed-off-by: NMax Reitz <mreitz@redhat.com>
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