Re: Status of write barrier support for 2.4?

Jens Axboe (axboe@suse.de)
Fri, 28 Jun 2002 20:20:53 +0200


On Fri, Jun 28 2002, Andre Hedrick wrote:
>
> Jens,
>
> I just got crapped all over trying to get us "write barrier" opcodes :-/.
> However I do have the start of a draft to submit soon. I could not piggy
> back of FUA by MicroSoft last week.

Basic FUA bit for WRITE command would be good, as long as it also
prevents reordering of the writes currently in write cache. I don't
think mmc makes any such guarentee, although I would have to check to be
sure.

> So how did the talk go at OLS for the IDE roadmap to destruction go?
> I could not attend, as I was doing other stuff associated with the
> industry.

I don't think there was such a talk?! If so, I didn't attend.

-- 
Jens Axboe

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