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由 Alberto Garcia 提交于
Most callers of bdrv_reopen() only use it to switch a BlockDriverState between read-only and read-write, so this patch adds a new function that does just that. We also want to get rid of the flags parameter in the bdrv_reopen() API, so this function sets the "read-only" option and passes the original flags (which will then be updated in bdrv_reopen_prepare()). Signed-off-by: NAlberto Garcia <berto@igalia.com> Reviewed-by: NMax Reitz <mreitz@redhat.com> Signed-off-by: NKevin Wolf <kwolf@redhat.com>
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