Re: [PATCH] Use extents for recording what swap is allocated.

From: Jens Axboe
Date: Wed Oct 25 2006 - 06:20:00 EST


On Wed, Oct 25 2006, Nigel Cunningham wrote:
> On Wed, 2006-10-25 at 11:17 +0200, Jens Axboe wrote:
> > On Wed, Oct 25 2006, Nigel Cunningham wrote:
> > > IIRC, I avoided list.h because I only wanted a singly linked list (it
> > > never gets traversed backwards). List.h looks to me like all doubly
> > > linked lists. Do you know if there are any other singly linked list
> > > implementations I could piggy-back?
> >
> > Look closer in list.h, more specifically at the hlist_ entries.
>
> Thanks for the pointer. I did look at it, but unless I'm misreading,
> it's still doubly linked. No matter. I'll use the doubly linked list.

It is, the head just takes up a pointer less. As hch mentioned, I doubt
it matters in this case at all.

--
Jens Axboe

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