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

[Anthony Liguori <aliguori@xxxxxxxxxx>]

Mark Williamson wrote:

> > Maybe reuse the loopback code?  Maybe it has an abstract device->file
> > conversion group of functions/structures.
> >    
> Arguably the ideal in-kernel solution is to fix the loopback driver itself.
>  
I agree.  There's no reason to special case files over other block devices.

> I'm not sure it would, the blocktap library is designed for this sort of 
> thing.  From what Andy says there is actually already a tool to do it, which 
> might be worth investigating further.
>  
All the read/writes for a block device go to userspace when using 
blocktap right?  Has any performance testing been done?
> Cheers,
> Mark
>
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>  
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