Re: Disk naming (Was Re: [Xen-devel] [PATCH] Guest boot loadersupport [1/2])

[Adam Heath <doogie@xxxxxxxxxxxxx>]

On Fri, 15 Apr 2005, Mark Williamson wrote:

> > Would it not be better to just echo /my/file?
>
> When you write the script you echo whatever you want Xend to pass you back
> when it asks you to unbind the device.
>
> Echoing the device makes the "unbind" case of the block-file script nice and
> simple, since it can just call "losetup -d " with the argument passed by
> Xend.

Yes, I understand that part.

But what does xend read(or pass to the kernel) to enable the domU to access
the data?  If xend(or the kernel) doesn't care, wouldn't it be more efficient
to pass the raw file(or device, in the case of iscsi/etc)?

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