Re: [6/8] Rich ACLs (continued, drive through this time)

[Venkateswararao Jujjuri <jvrao@linux.vnet.ibm.com>]

On 04/08/2013 03:42 AM, Boaz Harrosh wrote:
>  From the top of my head please correct me where I'm wrong.
>
> Anish Kumar from IBM has posted a patchset to support rich ACLs at Filesystems of interest
> Specially also by the NFS client FS, and through the KNFSD by the exported FSs of interest.
>
> His approach was to have both the POSIX-ACLs and the RICH-ACLs, co exist at the VFS and FS
> layer, and to interact nicely together. But a supporting FS needs to support two APIs and
> do its own code refactoring at the bottom.
>
> What the VFS community wanted to see is that all FS APIs change to the bigger RICH-ACLs
> API, and the translation from rich to POSIX is done at the generic VFS layer, thoughts
> doing the refactoring once at the VFS.
>
> Anish pressed between his IBM obligations and the huge amount of coding it will take
> to convert all FSs, has put the project on a back burner, and we have not seen any
> farther changes from him.
>
> JV Please find and post a git tree with the latest code. And if there are some
> documentation post them here. Please also try to find the original ML thread that
> is captured above.
>
> [Proposition]
>
> There are more interested parties then Anish in this matter. I know for a fact that IBM,
> Panasas RedHat, and any NFS and CIFS community member would like to see this work done.
> I propose that we get a status update, on what's there now. Talk about a strategy for
> an incremental but complete Kernel transformation, and finally submission. And I think
> All parties above should invest in time and resources together to drive this through. I would
> like to see all this done under Anish's guide if possible.
>
> [JV what is Anish's email ?]
Included Aneesh in the discussion.
>
> [user-mode API]
> And we will need a good local API for get/set of rich ACLs, currently they are interfaced
> through either a Windows CIFS client or through some NFS4 test applications. There should
> be an API that can be used both at the local FS as well as via the NFS-client.
> (And the new readdir-plus should give us a flag if there are ACLs present at an entry)
>
> Thanks
> Boaz
>