Re: EXPORT SYMBOL for alloc_vm_area

[Nick Logan <nick_logan@symantec.com>]

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