Re: [PATCH -V1 00/22] New ACL format for better NFSv4 acl interoperability

J. Bruce Fields
2014-05-06T20:15:34Z

On Sun, Apr 27, 2014 at 09:44:31PM +0530, Aneesh Kumar K.V wrote:
> As per LSF/MM summit discussion I am reposting the richacl patchset for
> upstream inclusion. The patchset includes minimal changes required to implement
> a new acl model similar to NFSv4 ACL. The acl model selection is based on
> file system feature flag.

It'd also be nice to see the nfsd bits, as that (along with samba) is
one of the main users.

(And the richacl->NFSv4 acl mapping is tricky thanks to the mask bits.)

--b.

>
> The following set of patches implements VFS and ext4 changes needed to implement
> a new acl model for linux. Rich ACLs are an implementation of NFSv4 ACLs,
> extended by file masks to fit into the standard POSIX file permission model.
> They are designed to work seamlessly locally as well as across the NFSv4 and
> CIFS/SMB2 network file system protocols.
>
> A user-space utility for displaying and changing richacls is available at [1]
> (a number of examples can be found at http://acl.bestbits.at/richacl/examples.html).
>
> [1] git://github.com/kvaneesh/richacl-tools.git master
>
> To test richacl on ext4, create the file sytem with richacl feature flag
> (mkfs.ext4 -O richacl or tune2fs -O richacl). With richacl feature enabled
> using mount option "acl" will switch to using richacl instead of posixacl.
>
> More details regarding richacl can be found at
> http://acl.bestbits.at/richacl/
>
> Previous posting of the patchset can be found at:
> http://mid.gmane.org/1319391835-5829-1-git-send-email-aneesh.kumar@linux.vnet.ibm.com
> "[PATCH -V8 00/26] New ACL format for better NFSv4 acl interoperability"
>
> The complete patchset can also be found at:
> https://github.com/kvaneesh/linux/commits/richacl-for-upstream
>
> Since we are trying to get the changes merged upstream after a long time, I am
> posting this as V1 again. I Also dropped the Acked-by tag from
> David Howells <dhowells@redhat.com> and J. Bruce Fields <bfields@redhat.com>.
> Please let me know if I can add them back again.
>
> -aneesh
>