Allows you to augment the callers keyset with your own.

允许您使用自己的键集来扩充调用者的键集。

However, a Level 1 driver can support dynasets if it supports extended fetch and keyset-driven cursors.

但是只要1级驱动程序支持扩展的获取和键集驱动游标，它就可以支持动态集。

The kernel's use of keys is likely to evolve over time, which could make your keyset insufficient in the future.

键在内核中的使用很可能会随着时间的推移而发生变化，这可能使得您的键集无法满足将来的需求。

A kernel keyset is a representation of a collection of kernel keys and the desired read or write access to them.

内核键集是内核键集合，以及对它们进行读写所需的权限的表示形式。