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Linux kernel 2.4.0 was the first production kernel in which the SG_IO ioctl appeared in the SCSI generic (sg) driver. The sg driver itself has been in linux since around 1993. An instance of the sg_io_hdr structure in the sg driver can …

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The Linux SG_IO ioctl in the 2.6 series第一部分_widebright的个人 …

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