Re: I request inclusion of SAS Transport Layer and AIC-94xx into the kernel

[Jeff Garzik <jgarzik@pobox.com>]

Luben Tuikov wrote:
> I'm sure you'll do whatever humanly possible to show
> that _your_ idea can be applied: you can do this now:
> just use a big if () { ... } else { ... } statement and
> you're done.

This is not how we do things in Linux.  You're doubling the maintenance 
burden.

If you really want to do this, at least don't fill up drivers/scsi/ with 
an additional, completely unrelated codepath.


> Furthermore I do not see the reasons to umbrella both
> "aic94xx and LSI cards" when they are _completely different_
> in architecture: MPT and open transport (ala USB Storage and SBP).

There is commonality between aic94xx and MPT/LSI stuff.  aic94xx SAS 
transport layer is a superset of MPT/LSI SAS transport:  it clearly 
needs far more management code.

We understand this.  The part you don't understand is that we want to 
emphasize the commonality, rather than let aic94xx and MPT/LSI go in 
completely different directions.

Read it again:  aic94xx/BCMxxx is a superset of functionality, not 
completely different.

	Jeff


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