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[Xen-devel] Re: EXPORT SYMBOL for alloc_vm_area

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.

Muli Ben-Yehuda
http://www.mulix.org | http://mulix.livejournal.com/

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