Re: [garloff@suse.de: Re: [linux-usb-devel] Re: /proc/scsi/map]

James Bottomley (James.Bottomley@SteelEye.com)
Mon, 17 Jun 2002 09:29:11 -0500


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

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