Re: CSCAN I/O scheduler for 2.6.10 kernel

[Jens Axboe]

On Tue, Apr 11 2006, Jan Engelhardt wrote:
> >> >I am attaching the CSCAN scheduler patch for 2.6.16.2 kernel.
> >> 
> >> Thanks, I will try this.
> >> 
> >> I have a question, why does not it use the kernel's rbtree implementation?
> >
> >It does, I dunno why you think it doesn't?
> 
> My bad. I thought because a function is named
>   static struct cscan_request *__rb_insert_request
> led me to believe this is the main insert function (when in fact it 
> rb_link_node is). Maybe it should be just 
> called "insert_request".

It's an rb helper, it actually follows how the other io schedulers are
written as well.

-- 
Jens Axboe

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