Re: QUEUE_FLAG_CLUSTER: not working in 2.6.24 ?

[Mark Lord]

Matthew Wilcox wrote:
> On Thu, Dec 13, 2007 at 01:48:18PM -0500, Mark Lord wrote:
> > Problem confirmed.  2.6.23.8 regularly generates segments up to 64KB for 
> > libata,
> > but 2.6.24 uses only 4KB segments and a *few* 8KB segments.
>
> Just a suspicion ... could this be slab vs slub?  ie check your configs
> are the same / similar between the two kernels.
..

Mmmm.. a good thought, that one.
But I just rechecked, and both have CONFIG_SLAB=y

My guess is that something got changed around when Jens
reworked the block layer for 2.6.24.
I'm going to dig around in there now.

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