Once you have called aio_complete(), you no longer own the IOCB or the user buffer, and should not touch them again.
一旦调用aio_complete()，驱动程序就不再拥有IOCB或者用户缓冲区了，不应该再触碰它们。
Once you have called aio_complete(), you no longer own the IOCB or the user buffer, and should not touch them again.
一旦调用aio_complete()，驱动程序就不再拥有IOCB或者用户缓冲区了，不应该再触碰它们。
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