[Gluster-devel] [NFS-Ganesha-Devel] Re: Problems about cache virtual glusterfs ACLs for ganesha in md-cache

Soumya Koduri skoduri at redhat.com
Fri Oct 12 06:39:20 UTC 2018

On 10/12/18 12:04 PM, Soumya Koduri wrote:
>>> 1. Cache it separately as posix ACLs (a new option maybe 
>>> "cache-glusterfs-acl" is added);
>>>      And make sure _posix_xattr_get_set fills them when lookup requests.
>> I am not sure if posix layer can handle it. Virtual xattrs are 
>> in-memory and not stored on disk. They are converted to/from posix-acl 
>> in posix-acl xlator. So FWIU, posix-acl xlator should handle setting 
>> these attributes as part of LOOKUP response if needed. Same shall 
>> apply for any virtual xattr cached in md-cache. Request Poornima to 
>> comment.
> Posix-acl can hand it correctly now.


>> At a time, any gfapi consumer would use either posix-acl or virtual 
>> glusterfs ACLs. So having two options to selectively choose which one 
>> of them to cache sounds better to me instead of unnecessarily storing 
>> two different representations of the same ACL.
> Make sense.
> I will add another option for virtual glusterfs ACLs in md-cache.

Cool. thanks!


> thanks,
> Kinglong Mee

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