Re: [PATCH] unified device list allocator

[Andrew Morton <akpm@osdl.org>]

Christoph Hellwig <hch@infradead.org> wrote:
>
> On Mon, Mar 07, 2005 at 09:33:02PM -0800, Andrew Morton wrote:
> > Matt Mackall <mpm@selenic.com> wrote:
> > >
> > > +	/* search for insertion point in reverse for dynamic allocation */
> > >  +	list_for_each_prev(l, list) {
> > 
> > hrmph.  Any time we do anything in O(n) time, some smarty comes along with
> > a workload which blows us out of the water.  Although it's hard to think of
> > any register_blkdev()-intensive workloads.
> > 
> > It's not possible to do this with prio-trees?
> 
> Andrew, I think in this particular case you suffer of a sporadic severe
> condition of overengineeritis.

heh.  I like to see our fancy data structures getting used.

> register_blkdev only happens at module_init time (and in fact should go
> away completely, so I'm not happy wit hthe surgey to keep it barely alive
> at all)

Is anyone working on that?