Re: [BK PATCHES] add ata scsi driver

[Christoph Hellwig (hch@infradead.org)]

On Tue, May 27, 2003 at 12:16:24PM -0400, Jeff Garzik wrote:
> > Well, OK, that's not an in-kernel issue.
> 
> It's definitely an in-kernel issue, because the mapping is in-kernel now:
> 
> 	<major,minor> -> queue

The mapping in the kernel is gendisk -> queue.  On the syscall
boundary we have an addition dev_t -> gendisk mapping.  The
scsi midlayer e.g. doesn't care about dev_t or even major / minor
at all.

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