Re: [2.6 patch] remove the obsolete raw driver]

Jesse Barnes
2005-05-21T01:08:17Z

On Friday, May 20, 2005 5:43 pm, Anton Blanchard wrote:
> > Since kernel 2.6.3 the Kconfig text explicitely stated this driver
> > was obsolete.
> >
> > It seems to be time to remove it.
>
> Disagree. We need someone to benchmark and prove O_DIRECT on the raw
> device isnt a performance regression first.

I don't have data on hand, but I recall seeing O_DIRECT on block devices
(at least SCSI ones), attaining something very close to line rate, and
scaling quite well as I/O was added.

Jesse