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SubjectRe: [PATCH 1/2] Avoid bio_endio recursion
On Fri, 4 Jul 2008, Alan Cox wrote:

>> SCSI. Even the NCQ commands are done via IDE registers, not SCSI command
>> block. It seems like someone wanted to save few weeks of coding by reusing
> Thats really a trivial question of encoding, in all but actual
> byte encoding it is SCSI. Once you look at SAS and ATAPI it's all the
> more clear.

For SAS and ATAPI you're right - that's SCSI.

But not for SATA disks. The only thing SCSI and SATA disk have common is
that they may process concurrently more requests. There's nothing else.


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