From: Luben Tuikov <luben_tuikov@adaptec.com>
To: Stefan Richter <stefanr@s5r6.in-berlin.de>
Cc: linux-scsi@vger.kernel.org, Jeff Garzik <jgarzik@pobox.com>
Subject: Re: [PATCH RFC] more struct scsi_lun
Date: Mon, 24 Oct 2005 16:10:07 -0400 [thread overview]
Message-ID: <435D3F9F.5010709@adaptec.com> (raw)
In-Reply-To: <435D3E07.5050709@s5r6.in-berlin.de>
On 10/24/05 16:03, Stefan Richter wrote:
> What about an 64bit integer as carrier of LUN in the first place? The
> most frequent occurrence of LUN data is when it is passed through in
> function calls but it seems rarely to be manipulated.
Nah, we don't want to do that. A LUN is like a CDB, there is no
MSB or LSB, just a sequence of bytes, 1st, 2nd, etc. Only when
being printed, is when you want to impose MSB, so that you can
print it humanly readable -- i.e. so that when the customer looks
at their manual/storage app, they can see the LUN and recognize it.
Luben
--
http://linux.adaptec.com/sas/
http://www.adaptec.com/sas/
next prev parent reply other threads:[~2005-10-24 20:10 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-10-23 4:33 [PATCH RFC] use struct scsi_lun in generic code Jeff Garzik
2005-10-23 4:49 ` [PATCH RFC] more struct scsi_lun Jeff Garzik
2005-10-23 9:47 ` Stefan Richter
2005-10-23 13:14 ` Stefan Richter
2005-10-23 16:49 ` Jeff Garzik
2005-10-24 16:27 ` Luben Tuikov
2005-10-24 20:03 ` Stefan Richter
2005-10-24 20:10 ` Luben Tuikov [this message]
2005-10-24 20:28 ` Mark Rustad
2005-10-24 22:27 ` Douglas Gilbert
2005-10-23 5:20 ` [PATCH RFC] use struct scsi_lun in generic code Jeff Garzik
2005-10-23 5:22 ` Douglas Gilbert
2005-10-23 7:01 ` Jeff Garzik
2005-10-24 14:55 ` Luben Tuikov
2005-10-23 7:00 ` [PATCH RFC] yet more struct scsi_lun Jeff Garzik
2005-10-23 10:48 ` Douglas Gilbert
2005-10-23 11:53 ` Arjan van de Ven
2005-10-23 14:27 ` max_sectors [was Re: [PATCH RFC] yet more struct scsi_lun] Douglas Gilbert
2005-10-23 14:42 ` Arjan van de Ven
2005-10-23 16:44 ` [PATCH RFC] yet more struct scsi_lun Jeff Garzik
2005-10-23 16:43 ` Jeff Garzik
2005-10-23 18:53 ` Kai Makisara
2005-10-24 7:59 ` Jens Axboe
2005-10-28 17:24 ` Mike Christie
2005-10-31 10:24 ` Jens Axboe
2005-11-04 2:23 ` Mike Christie
2005-11-04 2:25 ` Mike Christie
2005-11-04 7:37 ` Jens Axboe
2005-11-04 17:27 ` Mike Christie
2005-10-23 7:16 ` [PATCH RFC] even " Jeff Garzik
2005-10-24 15:27 ` [PATCH RFC] use struct scsi_lun in generic code Patrick Mansfield
2005-10-24 22:40 ` Douglas Gilbert
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