Re: [PATCH] 2.4.x write barriers (updated for ext3)

Daniel Phillips
2002-03-05T22:35:05Z

On March 5, 2002 08:40 am, Jens Axboe 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.

> > (Side note: how nice it would be if t10.org 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.

--
Daniel