Re: Status of write barrier support for 2.4?

From: Jens Axboe (axboe@suse.de)
Date: Fri Jun 28 2002 - 13:21:55 EST

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On Fri, Jun 28 2002, Jens Axboe wrote:
> 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.

Oh, and of course options for the tagged commands are needed as well!

-- Jens Axboe

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