Extended attributes over NFSv3

[Greg Banks]

Trond Myklebust wrote:
> On Thu, 2008-07-24 at 08:07 +1000, Greg Banks wrote:
>   
>> Christoph Hellwig wrote:
>>     
>>> On Wed, Jul 23, 2008 at 10:46:40AM -0400, Jean-Francois Bouchard wrote:
>>>  
>>>     
>>>       
>>> SGI has a side band protocol for extended attributes over NFSv3 and even
>>> released sample code a few years ago. 
>>>       
>> [...]
>>   So you have to
>> make some policy decisions like
>>
>> a) do we aim for POSIX ACL interop between Linux and Irix machines?
>>
>> b) when sending POSIX ACLs between Linux machines do we use the Sun ACL
>> protocol or the SGI xattr protocol in preference?
>>     
>
> Frankly, I don't think we should be allowing the export of anything
> other than the 'user.' prefix.
>   
Backup applications will care about security.* and system.* xattrs, if
only to backup and restore files without trashing their SELinux or ACL
state.

-- 
Greg Banks, P.Engineer, SGI Australian Software Group.
The cake is *not* a lie.
I don't speak for SGI.