Re: 2.5.46-mm2

From: Jens Axboe (
Date: Sun Nov 10 2002 - 09:57:57 EST

On Sun, Nov 10 2002, William Lee Irwin III wrote:
> On Sat, Nov 09 2002, Andrew Morton wrote:
> >> And Jens's rbtree-based insertion code for the request queue. Which
> >> means that the queues can be grown a *lot* if people want to play with
> >> that. The VM should be able to cope with it fine.
> On Sun, Nov 10, 2002 at 03:32:08PM +0100, Jens Axboe wrote:
> > I've attached a small document describing the deadline io scheduler
> > tunables. stream_unit is not in Andrew's version, yet, it uses a hard
> > defined 128KiB. Also, Andrew didn't apply the rbtree patch only the
> > tunable patch. So it uses the same insertion algorithm as the default
> > kernel, two linked lists.
> Okay, then I'll want the rbtree code for benchmarking.

Sure, I want to talk akpm into merging the rbtree code for real. Or I
can just drop you my current version, if you want.

Jens Axboe

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