Re: [PATCH] cfq-iosched: don't allow aliased requests to starve others

[Jens Axboe]

On 07/23/2010 05:07 PM, Jeff Moyer wrote:
> Vivek Goyal <vgoyal@xxxxxxxxxx> writes:
>> Also for my education purposes I was curious to know that why can't
>> we keep aliased requests in the service tree. 
> 
> You know, I dug back through the logs, and I didn't find any mention of
> that.  The anticipatory scheduler used to allow such aliases, but then
> that support was removed in favor of a simpler approach.  So, the reason
> may just be out of convenience.

There's no technical reason why we can't do that, at least it'll work in
the rbtree.

-- 
Jens Axboe

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