Re: [PATCH] 2.5 ide 48-bit usage

[Linus Torvalds]

On Wed, 7 May 2003, Jens Axboe wrote:
> 
> I dunno what the purpose of that would be exactly, I guess to cater to
> some hardware odditites?

And testing. In particular, you might want to test whether a device 
properly supports 48-bit addressing, either from the kernel or from user 
programs.

Also, if you want to re-create some particular IO pattern for debugging, 
you may want to explicitly use 48-bit addressing.

		Linus