On Thu, Mar 09, 2000 at 07:29:39PM -0000, Daniel J Blueman wrote:
> Hi Alex,
>
> > I'm looking for opinions about how direct I/O can be implemented on
> > Linux. I am interested in a design that does not touch the
> > page-tables of the process, and where the data is DMAed directly to
> > user-space visible pages.
> [ahem, big snip]
>
> Do the Stephen C Tweedie and SGI raw I/O patches do what you need?
> If not, they may help a bit by the sounds of it.
>
> http://oss.sgi.com/projects/rawio/
>
I guess they can be used, but they require that you build your own
user space file system and utilities - which is a major pain to deal
with for normal users.
astor
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