[Ocfs2-devel] forget_all_cached_acls()

[Jeff liu]

Hi Tao,

在 2011-2-22，下午9:21， Tao Ma 写道：

> Hi Joel,
> On 02/22/2011 05:32 PM, Joel Becker wrote:
>> Hey everyone,
>> 	I just found out from Steven over in GFS2 that there is a kernel
>> call forget_all_cached_acls().  If a cluster filesystem is using ACL
>> caching (added by Viro a little while back), they use
>> forget_all_cached_acls() at lock drop time to make sure they don't have
>> stale ACL info.
>> 	We're not using cached_acls yet, but if someone adds it, please
>> remember this call ;-)
>>   
> I remembered that Jeff did some work on it when I was at Oracle.
> So Jeff, did you still work on it now?
I have wrote a patch for catched acl about one and half year ago just for fun.
That patch has been tested on OCFS2 single node at that time,  I will try it on cluster environment with this call.


Thanks,
-Jeff


> 
> Regards,
> Tao