From: Jens Axboe <axboe@suse.de>
To: Bill Davidsen <davidsen@tmr.com>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: CD writing - related question
Date: Thu, 2 Feb 2006 21:35:04 +0100 [thread overview]
Message-ID: <20060202203503.GH4215@suse.de> (raw)
In-Reply-To: <43DEA195.1080609@tmr.com>
On Mon, Jan 30 2006, Bill Davidsen wrote:
> Please take this as a question to elicit information, not an invitation
> for argument.
>
> In Linux currently:
> SCSI - liiks like SCSI
> USB - looks like SCSI
> Firewaire - looks like SCSI
> SATA - looks like SCSI
SATA will _not_ look like SCSI in the future.
> Compact flash and similar - looks like SCSI
? CF adapters are usually IDE, so looks like ATA.
> ATAPI - looks different unless ide-scsi used
But it's all besides the point, it doesn't matter what the device
special file looks like (if it's SCSI or not). What matters is that you
talk to the device the same way - and that way is currently SG_IO.
That a device hangs off the SCSI stack because that is the way the
author wrote eg usb-storage is irrelevant. What matters is that you open
the device in question and use SG_IO to talk to it.
Talking about the SCSI stack and ide-scsi completely misses the point.
--
Jens Axboe
next prev parent reply other threads:[~2006-02-02 20:32 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-01-30 23:30 CD writing - related question Bill Davidsen
2006-02-01 21:04 ` Pavel Machek
2006-02-02 16:49 ` Jan Engelhardt
2006-02-02 19:40 ` Bill Davidsen
2006-02-02 20:19 ` Pavel Machek
2006-02-03 2:36 ` Bill Davidsen
2006-02-02 20:39 ` Jens Axboe
2006-02-02 21:05 ` Krzysztof Halasa
2006-02-02 20:35 ` Jens Axboe [this message]
2006-02-07 9:22 ` Matt Keenan
2006-02-07 11:04 ` Xavier Bestel
2006-02-07 13:47 ` Bill Davidsen
2006-02-07 13:40 ` Jens Axboe
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