The NFSv4 pseudo-tree feature allows the NFSv4 client to perform only one mount operation for all exported entries in the pseudo-tree.

NFSv4 伪树特性允许 NFSv4 客户机在伪树中对所有导出的项仅执行一个 mount 操作。

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For example, a service may require you to log on before calling another operation, which is termed a pseudo-conversational service.

例如，服务也许要求您在调用另一个操作之前先登录，这称为伪对话服务。

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If a wrapper function needs to record or take note of an action, or needs to query the pseudo database, it USES the pseudo_client_op function to perform an operation.

如果包装器函数需要记录一个动作，或者需要查询pseudo数据库，它将使用pseudo_client _ op函数来执行操作。

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