From: Luben Tuikov <luben_tuikov@adaptec.com>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Arjan van de Ven <arjan@infradead.org>,
"Salyzyn, Mark" <mark_salyzyn@adaptec.com>,
andrew.patterson@hp.com, dougg@torque.net,
Linus Torvalds <torvalds@osdl.org>,
Luben Tuikov <ltuikov@yahoo.com>,
SCSI Mailing List <linux-scsi@vger.kernel.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: I request inclusion of SAS Transport Layer and AIC-94xx into the kernel
Date: Mon, 03 Oct 2005 12:17:33 -0400 [thread overview]
Message-ID: <4341599D.70904@adaptec.com> (raw)
In-Reply-To: <1128210952.17099.73.camel@localhost.localdomain>
On 10/01/05 19:55, Alan Cox wrote:
> On Gwe, 2005-09-30 at 19:53 +0200, Arjan van de Ven wrote:
>
>>that makes me wonder... why and how does T10 control linux abi's ??
>
>
> Indirectly the standards do define APIs at the very least. A good
> example is taskfile. ACPI methods (which we don't yet use) allow get/set
> mode, get features on the motherboard ATA controller if you don't know
> how to drive it. The objects they work in are taskfiles. No taskfiles,
> no ACPI.
Yes, that's true.
Even more is true. Standards and specs define the
_layering infrastructure_ which if implemented,
allows for layer intersection.
For example, if one needs to insert a SATL later just because
the underlaying transport was found able to transport it,
since the layering is well defined and _so_ implemented, it wouldn't
be hard to interface antother well defined layer in.
If, OTOH, things are conglomerated into a blob, just because
the kernel engineers (not (storage) engineers per se) found _no_ current
use of the layering infrastructure and separating the layers
was found do add "more maintenance", then this will turn around
sooner or later to bite back.
After all, things are what they are.
Luben
next prev parent reply other threads:[~2005-10-03 16:17 UTC|newest]
Thread overview: 162+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-09-30 17:07 I request inclusion of SAS Transport Layer and AIC-94xx into the kernel Salyzyn, Mark
2005-09-30 17:53 ` Arjan van de Ven
2005-10-01 23:55 ` Alan Cox
2005-10-03 16:17 ` Luben Tuikov [this message]
2005-10-04 6:51 ` Andre Hedrick
2005-10-04 15:01 ` Luben Tuikov
2005-09-30 18:39 ` Andrew Patterson
2005-09-30 19:21 ` Luben Tuikov
2005-09-30 20:14 ` Andrew Patterson
2005-09-30 20:22 ` Matthew Wilcox
2005-09-30 21:44 ` Linus Torvalds
2005-10-01 17:46 ` Greg KH
2005-09-30 20:32 ` Luben Tuikov
2005-09-30 21:15 ` Andrew Patterson
2005-09-30 21:40 ` Joel Becker
2005-09-30 22:01 ` Luben Tuikov
2005-09-30 23:42 ` Marcin Dalecki
2005-10-03 13:54 ` Luben Tuikov
2005-10-03 16:29 ` Marcin Dalecki
2005-10-03 16:35 ` Andrew Patterson
2005-10-03 16:39 ` Luben Tuikov
2005-10-03 19:16 ` Marcin Dalecki
2005-10-03 21:26 ` Tomasz Kłoczko
2005-10-03 22:04 ` Ryan Anderson
2005-10-03 22:56 ` Linus Torvalds
2005-10-03 23:22 ` Al Viro
2005-10-04 13:55 ` Tomasz Kłoczko
2005-10-04 15:09 ` Linus Torvalds
2005-10-04 14:38 ` Luben Tuikov
2005-10-04 14:54 ` Jeff Garzik
2005-10-04 15:19 ` Luben Tuikov
2005-10-04 15:26 ` Jeff Garzik
2005-10-04 15:40 ` Luben Tuikov
2005-10-04 15:46 ` Matthew Wilcox
2005-10-04 6:30 ` Andre Hedrick
2005-10-01 0:02 ` Jeff Garzik
2005-10-01 0:01 ` Jeff Garzik
-- strict thread matches above, loose matches on Subject: below --
2005-09-30 1:28 Martin Fouts
2005-09-29 15:45 Moore, Eric Dean
2005-09-28 22:17 Moore, Eric Dean
2005-09-29 12:46 ` Luben Tuikov
2005-09-28 15:15 Moore, Eric Dean
2005-09-28 16:59 ` Luben Tuikov
2005-09-28 0:28 Moore, Eric Dean
2005-09-28 1:34 ` Andre Hedrick
2005-09-28 11:42 ` Luben Tuikov
[not found] <43384E28.8030207@adaptec.com>
2005-09-27 21:55 ` Jeff Garzik
2005-09-27 22:51 ` Luben Tuikov
2005-09-27 23:14 ` Andre Hedrick
2005-09-28 11:37 ` Luben Tuikov
2005-09-28 12:32 ` Matthew Wilcox
2005-09-28 14:50 ` Linus Torvalds
2005-09-28 16:27 ` Patrick Mansfield
2005-09-28 16:34 ` Luben Tuikov
2005-09-28 19:45 ` Andre Hedrick
2005-09-28 20:56 ` Luben Tuikov
2005-09-28 22:35 ` Willy Tarreau
2005-09-28 23:22 ` Jeff Garzik
2005-09-28 23:29 ` David S. Miller
2005-09-29 5:30 ` Andre Hedrick
2005-09-29 7:24 ` David S. Miller
2005-09-30 7:36 ` Andre Hedrick
2005-09-30 18:34 ` Luben Tuikov
2005-09-30 18:50 ` Kyle Moffett
2005-09-30 19:08 ` Luben Tuikov
2005-09-30 21:31 ` Kyle Moffett
2005-09-30 22:10 ` Greg Freemyer
2005-09-30 22:19 ` Luben Tuikov
2005-09-30 23:54 ` Jeff Garzik
2005-10-01 4:58 ` Willy Tarreau
2005-10-03 15:08 ` Luben Tuikov
2005-10-03 14:04 ` Luben Tuikov
2005-09-30 22:14 ` Luben Tuikov
2005-10-01 0:33 ` Jeff Garzik
2005-10-03 14:18 ` Luben Tuikov
2005-10-03 16:01 ` Jeff Garzik
2005-09-30 20:45 ` James Bottomley
2005-09-30 22:05 ` Luben Tuikov
2005-10-01 0:38 ` Jeff Garzik
2005-10-03 15:27 ` Luben Tuikov
2005-10-03 16:28 ` Jeff Garzik
2005-09-30 22:04 ` Andre Hedrick
2005-09-30 22:32 ` Luben Tuikov
2005-09-30 23:57 ` Jeff Garzik
2005-10-03 14:15 ` Luben Tuikov
2005-10-03 15:57 ` Jeff Garzik
2005-10-03 16:23 ` Luben Tuikov
2005-10-03 16:48 ` Jeff Garzik
2005-10-03 19:03 ` Luben Tuikov
2005-10-03 19:32 ` Mike Christie
2005-10-03 20:15 ` Jeff Garzik
2005-10-03 19:10 ` Mike Christie
2005-09-30 18:51 ` Luben Tuikov
2005-09-29 14:33 ` Luben Tuikov
2005-09-29 14:48 ` Jeff Garzik
2005-09-29 15:50 ` Luben Tuikov
2005-09-29 16:54 ` Jeff Garzik
2005-09-29 18:25 ` Luben Tuikov
2005-09-29 15:15 ` grundig
2005-09-29 15:17 ` Bernd Petrovitsch
2005-09-29 16:33 ` Luben Tuikov
2005-09-29 16:56 ` Jeff Garzik
2005-09-29 16:58 ` Luben Tuikov
2005-09-29 17:03 ` Jeff Garzik
2005-09-29 18:09 ` Gerrit Huizenga
2005-09-29 17:13 ` Bernd Petrovitsch
2005-09-29 18:39 ` Luben Tuikov
2005-09-29 22:43 ` Joel Becker
2005-09-29 17:52 ` John Stoffel
2005-09-29 19:20 ` Bruce Ferrell
2005-09-28 22:43 ` Andre Hedrick
2005-09-29 15:04 ` Luben Tuikov
2005-09-29 15:08 ` Jeff Garzik
2005-09-29 16:22 ` Luben Tuikov
2005-09-29 19:09 ` Stefan Richter
2005-09-29 22:06 ` Luben Tuikov
2005-09-28 16:30 ` Valdis.Kletnieks
2005-09-28 16:35 ` Luben Tuikov
2005-09-28 2:02 ` Jeff Garzik
2005-09-28 20:36 ` Luben Tuikov
2005-09-28 21:00 ` Jeff Garzik
2005-09-28 22:10 ` Luben Tuikov
2005-09-28 23:04 ` Jeff Garzik
2005-09-29 4:04 ` Willy Tarreau
2005-09-29 7:44 ` Arjan van de Ven
2005-09-29 15:09 ` Luben Tuikov
2005-09-29 15:20 ` Jeff Garzik
2005-09-29 16:56 ` Luben Tuikov
2005-09-29 17:11 ` Jeff Garzik
2005-09-30 18:16 ` Joe Bob Spamtest
2005-09-29 17:15 ` Stefan Richter
2005-09-29 17:29 ` Jeff Garzik
2005-09-29 19:32 ` Willy Tarreau
2005-09-29 19:57 ` Linus Torvalds
2005-09-29 23:20 ` Luben Tuikov
2005-09-29 23:57 ` Prasenjit Sarkar
2005-09-30 6:35 ` Andre Hedrick
2005-09-30 0:35 ` Linus Torvalds
2005-09-30 1:25 ` Hua Zhong
2005-09-30 2:42 ` Marcin Dalecki
2005-09-30 19:12 ` Joe Bob Spamtest
2005-09-30 7:29 ` Douglas Gilbert
2005-09-30 14:23 ` Luben Tuikov
2005-09-30 16:26 ` Andrew Patterson
2005-09-30 16:47 ` Luben Tuikov
2005-09-30 14:07 ` Luben Tuikov
2005-09-30 5:31 ` Theodore Ts'o
2005-09-30 6:52 ` Andre Hedrick
2005-09-29 19:59 ` Stefan Richter
2005-09-29 19:37 ` Stefan Richter
2005-09-29 19:22 ` Stefan Richter
2005-09-27 13:07 Luben Tuikov
2005-09-27 13:19 ` Christoph Hellwig
2005-09-27 15:01 ` Luben Tuikov
2005-09-27 15:53 ` James Bottomley
2005-09-27 19:35 ` Luben Tuikov
2005-09-27 20:34 ` Jeff Garzik
2005-09-27 21:44 ` Luben Tuikov
2005-09-27 22:01 ` Jeff Garzik
2005-09-27 23:03 ` Luben Tuikov
2005-09-27 23:32 ` Andrew Patterson
2005-09-28 2:07 ` Jeff Garzik
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