From: James Bottomley <James.Bottomley@steeleye.com>
To: Kurt Garloff <kurt@garloff.de>,
Oliver Neukum <oliver@neukum.name>,
dougg@torque.net, Linux SCSI list <linux-scsi@vger.kernel.org>,
Linux kernel list <linux-kernel@vger.kernel.org>,
James Bottomley <James.Bottomley@SteelEye.com>,
David Brownell <david-b@pacbell.net>,
Andries.Brouwer@cwi.nl, sancho@dauskardt.de,
linux-usb-devel@lists.sourceforge.net,
linux1394-devel@lists.sourceforge.net
Subject: Re: [garloff@suse.de: Re: [linux-usb-devel] Re: /proc/scsi/map]
Date: Mon, 17 Jun 2002 09:29:11 -0500 [thread overview]
Message-ID: <200206171429.g5HETBV02481@localhost.localdomain> (raw)
In-Reply-To: Message from Kurt Garloff <kurt@garloff.de> of "Mon, 17 Jun 2002 03:24:00 +0200." <20020617012400.GH21461@gum01m.etpnet.phys.tue.nl>
kurt@garloff.de said:
> This may work for your disks. You just can't open the device node for
> a tape, if there is no medium inserted. If you know the mapping
> between to a sg device you can use it.
Actually, you have to use sg for a disc as well since you send a scsi CDB
directly to the device for inquiry page 0x83.
> That's the second piece of information that /proc/scsi/map provides.
Oh no question. The way the current code doing this works is that it opens
all scsi devices and issues a GET_IDLUN to compile a database of the nodes and
then matches them up to sg nodes.
James
prev parent reply other threads:[~2002-06-17 14:29 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-06-17 1:24 Kurt Garloff
2002-06-17 14:29 ` James Bottomley [this message]
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