[openib-general] Re: [PATCH 8 of 20] ipath - sysfs support for core driver

[Bryan O'Sullivan]

On Thu, 2006-03-09 at 15:46 -0800, Greg KH wrote:
> On Thu, Mar 09, 2006 at 03:18:49PM -0800, Roland Dreier wrote:
> 
> Thanks for CC:ing me, but where were the originals of these posted?

My patch posting script screwed up.  Only Roland got them, even though
the envelopes were all correct.

> >  > +static ssize_t show_atomic_stats(struct device_driver *dev, char *buf)
> >  > +{
> >  > +	memcpy(buf, &ipath_stats, sizeof(ipath_stats));
> >  > +
> >  > +	return sizeof(ipath_stats);
> >  > +}
> > 
> > I think putting a whole binary struct in a sysfs attribute is
> > considered a no-no.
> 
> That's an understatement, where is the large stick to thwap the author
> of this code...

I'd like to understand why, though.  As I already explained, it's a
smallish structure (< 1KB), and I can use the special binary sysfs
attribute goo for it if you insist, but ... why?

	<b