Since VOP_LOCK can be used to up and downgrade locks, it is not possible to say anything about the lockstate before and after it.  Thus, change the lockspec from U L U to ? ? ?.
Since VOP_LOCK can be used to up and downgrade locks, it is not possible
to say anything about the lockstate before and after it.  Thus, change the
lockspec from U L U to ? ? ?.

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