为了实现这一目标，文件系统就应该满足其使用者对性能和功能方面的需要。

To do this, a filesystem should meet the performance and feature needs of its users.

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请注意，提供者更加关注底层功能层，然而，服务使用者则更多地关注于顶层功能层。

Note that the bottom functional layers are more of concern to service providers, whereas, the top ones are more for service consumers to focus on.

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另外还提供了将这些事件分发到使用者的功能。

It also provides the ability to distribute these events to consumers.

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