Re: [PATCH] Delete obsolete RAW driver feature.

[Andrew Morton]

On Wed, 21 Mar 2007 19:42:36 -0400
Dave Jones <davej@xxxxxxxxxx> wrote:

> On Wed, Mar 21, 2007 at 04:27:17PM -0700, Andrew Morton wrote:
>  > > [1] Though admittedly the one in RHEL deviates from upstream
>  > > as it contains performance enhancements that were vetoed from
>  > > upstream acceptance due to it being "deprecated".
>  > 
>  > What enhancements are they?
> 
> Hmm, actually it seems I was mistaken, we didn't merge those after all,
> we seem to be shipping what was upstream in 2.6.9/2.6.18.
> 
> The patches I was thinking of were a bunch of optimisations for higher
> throughput from someone at Intel iirc. Ken Chen maybe?

Ah, OK.

Ken had an initial set of patches which weren't very popular.  Months
later, he had a second set which did get merged into mainline, but they
broke, so that code is presently mucking up fs/block_dev.c, inside #if 0,
awaiting possible repair.


-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/