From: Luben Tuikov <luben_tuikov@adaptec.com>
To: Jeff Garzik <jgarzik@pobox.com>
Cc: dougg@torque.net, linux-scsi@vger.kernel.org,
Tejun Heo <htejun@gmail.com>
Subject: Re: [PATCH] libata: write cache and read ahead
Date: Wed, 24 Aug 2005 12:28:33 -0400 [thread overview]
Message-ID: <430CA031.5000307@adaptec.com> (raw)
In-Reply-To: <430C4610.3080205@pobox.com>
On 08/24/05 06:04, Jeff Garzik wrote:
>
> SAT is the useful piece of libata that makes everything work. You can't
> rip out it and still expect to do anything useful ;-)
>
> libata relies on SCSI's device class drivers -- sd, sr, st, sg -- to
> manage devices and generate commands to service. And in turn, we rely
> on SAT (libata-scsi.c) to translate device class commands into ATA commands.
>
> If the SAT layer went away, then nothing would exist to generate
> commands for libata to service.
Ok, makes sense and requires minimal effort. I like it.
Luben
next prev parent reply other threads:[~2005-08-24 16:28 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-08-21 10:06 [PATCH] libata: write cache and read ahead Douglas Gilbert
2005-08-21 23:56 ` Jeff Garzik
2005-08-22 5:12 ` Douglas Gilbert
2005-08-22 5:34 ` Jeff Garzik
2005-08-23 23:22 ` Luben Tuikov
2005-08-24 9:16 ` Christoph Hellwig
2005-08-24 10:06 ` Jeff Garzik
2005-08-24 10:04 ` Jeff Garzik
2005-08-24 16:28 ` Luben Tuikov [this message]
2005-08-24 11:03 ` Douglas Gilbert
2005-08-24 16:41 ` Luben Tuikov
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