[Xen-devel] Re: EXPORT SYMBOL for alloc_vm_area

[Nick Logan <nick_logan@xxxxxxxxxxxx>]

Muli Ben-Yehuda wrote:

> On Thu, Jan 26, 2006 at 09:51:56AM +0000, Nick Logan wrote:
>
>  
>
> > Some background to my questions. I am currently investigating the port 
> > on the Veritas volume manager and filesystem to the xen architecture. 
> > The logical approach is to use the volume manager in Dom0 and the 
> > filesystem in DomU and this can currently be done using the vbd driver. 
> > However the filesystem in DomU then just sees the volume as a disk 
> > partition and is unable to make use of  a number of private functions 
> > supplied by the volume manager to provide the filesystem with additional 
> > functionality and performance. Therefore I am  investigating the 
> > implementation of a virtual volume driver that would provide those 
> > private functions in DomU. There is no need for this driver to be 
> > included in the xen source, hence the need for a loadable driver.
> >    
> Considering that Xen drivers will end up in the Linux tree in the
> (hopefully) not too distant future, and the Linux community's well
> known aversion for out of tree modules, please consider submitting
> it. It will make your life a whole lot easier in the long run.
>
> Cheers,
> Muli
>  
Thanks for the suggestion. I'll certainly consider submitting it as it 
clearly will have to be a GPL module, but as the associated filesystem 
and volume manager are not in the tree I'd like to have the option of 
having it out of the tree.
Nick

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