Re: how to avoid copies without O_DIRECT?

["Mulyadi Santosa" <mulyadi.santosa@xxxxxxxxx>]

Hi..

On Wed, Apr 23, 2008 at 12:35 PM, Miles <bulkmail@xxxxxxxxx> wrote:
> http://kerneltrap.org/node/7563
>
>  So Linus really hates O_DIRECT on files and can see no good use for it.  In
> the referenced white paper Andrea suggests the use of O_DIRECT to eliminate
> CPU and memory bandwidth consumption during the process of copying to/from
> user space.

Hmmm:
http://lwn.net/Articles/275185/
(Toward better direct I/O scalability)

Looks like O_DIRECT still has supporters :D

regards,

Mulyadi.

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