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Re: [Qemu-devel] [PATCH v2] xen_disk: support "direct-io-safe" backend o
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From: |
Ian Jackson |
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Subject: |
Re: [Qemu-devel] [PATCH v2] xen_disk: support "direct-io-safe" backend option |
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Date: |
Fri, 28 Jun 2013 11:54:59 +0100 |
Paolo Bonzini writes ("Re: [PATCH v2] xen_disk: support "direct-io-safe"
backend option"):
> Il 27/06/2013 20:16, Stefano Stabellini ha scritto:
> > The original proposal for a "cache" backend option has been dropped
> > because it was believed too wide, especially considering that at the
> > moment the backend doesn't have a way to tell the toolstack that it is
> > capable of supporting it.
>
> Given how rusty my xenstore-fu is, I'll ask the obvious: the frontend
> cannot write to it, can it?
No, the backend directory is writeable only by the toolstack and
driver domains.
Ian.