On Wed, 22 Aug 2007, Kirill Korotaev wrote:
> > WARNING: "cfq_pool" [block/cfq-iosched.ko] undefined!
> > WARNING: "ub0" [block/cfq-iosched.ko] undefined!

> compilation fail - not normal, you can fill in the bug with .config file you used.
 It looks like your patches brake CFQ io scheduler, without it it compiles
just fine.
 I'm using CFQ on multiple servers and it usually shows better characteristics
then adaptive/deadline, I could only get deadline to behave consistently nicer when I
removed raid cards and tested on serial ata hardware, so it would be nice to have
the option to use CFQ... 

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