Revision b91a34a5

b/lib/cmdlib.py
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    if not self.op.names:
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      self.needed_locks[locking.LEVEL_NODE] = None
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    else:
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       self.needed_locks[locking.LEVEL_NODE] = \
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         _GetWantedNodes(self, self.op.names)
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      self.needed_locks[locking.LEVEL_NODE] = \
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        _GetWantedNodes(self, self.op.names)
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  def CheckPrereq(self):
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    """Check prerequisites.

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