Christoph Hellwig <[email protected]> wrote:
> On Mon, Jan 30, 2006 at 01:04:08PM +0100, Matthias Andree wrote:
> > Why is it a *kernel* task to invent SCSI identifier for a non-SCSI
> > transport that does not have such identifiers, in addition to the device
> > name? libscg is already doing it for /dev/hd* and /dev/pg*.
> > How about USB or Firewire or SATA? Do they have ID or LUN?
>
> Nothing but SPI (parallel scsi) has a target id. Everything that broadly
> falls under SAM has luns. Because SPI is dying transport the scsi
> midlayer will get rid of having a mandatory target id mid-term. Relying
> on the target id to have any useful meaning is dangerous, it doesn't
> have a really useful meaning on anything but SPI.
And now please tell me how you believe this will be inplemented.....
Every kernel implementation I am aware of uses device instance numbers
and BTW: I am open for any non-dogmatic discussion.
Jörg
--
EMail:[email protected] (home) Jörg Schilling D-13353 Berlin
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