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SubjectRe: [PATCH] 2.4.x write barriers (updated for ext3)
On Tue, Mar 05 2002, Daniel Phillips wrote:
> > On Mon, Mar 04 2002, Daniel Phillips wrote:
> > > > FUA is not available on WRITE6, only WRITE10 or WRITE12 commands.
> > >
> > > I'm having a little trouble seeing the difference between WRITE10, WRITE12
> > > and WRITE16. WRITE6 seems to be different only in not garaunteeing to
> > > support the FUA (and one other) bit. I'm reading the Scsi Block Commands
> >
> > WRITE6 was deprecated because there is only one byte available to set
> > transfer size. Enter WRITE10. WRITE12 allows the use of the streaming
> > performance settings, that's the only functional difference wrt WRITE10
> > iirc.
> Thanks. This is poorly documented, to say the least.

Maybe in the t10 spec, it's quite nicely explained elsewhere. Try the
Mtfuji spec, it really is better organized and easier to browse through.

> > > (Side note: how nice it would be if got a clue and posted their
> > > docs in html, in addition to the inconvenient, unhyperlinked, proprietary
> > > format pdfs.)
> >
> > See the mtfuji docs as an example for how nicely pdf's can be setup too.
> Do you have a url?

> > The thought of substituting that for a html version makes me want to
> > barf.
> Who said substitute? Provide beside, as is reasonable. For my part,
> pdf's tend to cause severe indigestion, if not actually cause
> regurgitation.

Matter of taste I guess, I find html slow cumbersome to use.

Jens Axboe

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