Re: [PROPOSED] ata: Report 16/32bit PIO as best we can

[Jeff Garzik]

Alan Cox wrote:
> > But.. these do look rather suspiciously like sysfs attrs to me.
>
> I'd rather any future sysfs interface actually exposed something more
> meaningful. This is a legacy fixup 8)
>
> > We didn't have a sysfs in the IDE days (so Gadi added the klunky
> > procfs "settings" thing for there), but we do now.
> >
> > I'm happy to update hdparm to check sysfs if that's where this
> > ends up, or to do almost nothing for it if we stick with the ioctls.
>
> I'm not sure sysfs helps much anyway - you have to open the device file
> and keep it open while accessing the sysfs nodes anyway (something huge
> numbers of apps hopelessly fail to do so)

FWIW...  here is the sysfs work I referred to (in a message sent several 
days ago in this thread)...

http://lwn.net/Articles/294608/

	Jeff



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