Re: [LSF/MM TOPIC][ATTEND] protection information and userspace

[Joel Becker <jlbec@evilplan.org>]

Dear LSF committee,
	I'd like to explicitly request attendance for this discussion
:-)

Joel

On Thu, Feb 07, 2013 at 09:27:35AM -0800, Zach Brown wrote:
> On Thu, Feb 07, 2013 at 11:19:59AM -0500, Jeff Moyer wrote:
> > Boaz Harrosh <bharrosh@panasas.com> writes:
> > >> 
> > >> For aio we just need to add additional fields to an existing structure.
> > >> 
> > >> So yeah, I'd be interested in that discussion as well.
> > 
> > Sure, it's easy to start there, but then you eventually end up having to
> > add a non-aio interface as well.  Let's not take the latter off the
> > table.
> 
> I agree that a sync variant should't be ignored, but needing a sync
> interface with PI arguments also shouldn't get in the way of adding
> support to the aio+dio path.  Simply because it's what people use :/.
> 
> > I'm not sure how that's directly related to aio, but ok.  If we're going
> > to rewrite the aio code, I think Zach's acall would be a good start, at
> > least on the API front:
> >   http://lwn.net/Articles/316806/
> 
> Yeah, I'm happy to chat about this stuff if people are interested.  I
> think I'd do things differently today than what was done in that aged
> acall prototype.
> 
> - z
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			jlbec@evilplan.org