[pve-devel] switch to deadline scheduler by default

[Dietmar Maurer]

> I found an interesting article here :
> http://publib.boulder.ibm.com/infocenter/lnxinfo/v3r0m0/index.jsp?topic=%2Fli
> aat%2Fliaatbpcfq.htm

Oh, those benchmarks looks promising.

> recommandations for kvm and cfq for best performance are
> 
> /sys/block/device/queue/iosched/quantum = 32
> /sys/block/device/queue/iosched/slice_idle = 0
> 
> Maybe can add them somewhere ?

Well, Is there a way to set that in the kernel by default? I guess in block/cfq-ioshed.c?

- Dietmar