Note that the command used takes as an argument the altered disk descriptor files from the mmcrnsd command above.

注意所使用的命令使用上面的 mmcrnsd 命令中的不同磁盘描述符文件作为参数。

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The iocb argument can usually be treated as an opaque cookie used by the AIO subsystem; if you need the struct file pointer for this file descriptor, however, you can find it as iocb->ki_filp.

通常可以把iocb看作AIO子系统使用的不透明数据结构。 然而，如果需要文件描述符的struct file指针，可以通过iocb->ki_flip获取。

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