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Re: [Xen-devel] [PATCH] make blkfront/blktagp2 respect the elevator=xyz

To: Daniel Stodden <Daniel.Stodden@xxxxxxxxxx>
Subject: Re: [Xen-devel] [PATCH] make blkfront/blktagp2 respect the elevator=xyz command line option
From: Keir Fraser <keir.fraser@xxxxxxxxxxxxx>
Date: Fri, 09 Oct 2009 20:22:48 +0100
Cc: Paolo Bonzini <pbonzini@xxxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>
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On 09/10/2009 19:33, "Daniel Stodden" <Daniel.Stodden@xxxxxxxxxx> wrote:

> In blktap2, I'm not convinced that going with the system default
> scheduler should be the common choice. Let's go for "noop" vs a module
> option, if people indeed want to experiment with it.

I think the patch should touch only blkfront. I suspect blktap2 has been
misunderstood and oncorrectly included in the patch.

> For blkfront, I agree. Is there a use case for defaulting to something
> different than a system default?

Noone else does it, except maybe some old s390 drivers. We'll kill it then.

 -- Keir



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