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    SubjectRe: [PATCH 1/5] Add POSIX Access Control Lists to ext2/3
    On Wednesday 16 October 2002 17:50, Theodore Ts'o wrote:
    > On Wed, Oct 16, 2002 at 02:11:04PM +0100, Christoph Hellwig wrote:
    > > Ted, please either go _always_ through the {get,set}_posix_acl methods
    > > or never. Currently XFS doesn't know and doesn't want to know
    > > about the so called "egenric ACL representation" used by ext2/ext3. With
    > > theses methods we'd have to add it to XFS which is fine for me as long as
    > > it the representation generally used for working with ACLs. That would
    > > mean we'd have to add new syscall or at least VFS-level hooks to the
    > > xattr code.
    > Fine. I'll just yank the {get,set}_posix_acl methods for now. The
    > inode methods were only needed for the NFS code (see Andreas' comments
    > about the xattr interfaces being problematical for VFS support).
    > However, the reality is that at this point, we probably won't have
    > time to get support in for the NFS server ACL before feature freeze,
    > and changing the interface to ACL's (never mind the headaches of
    > trying to agree to a new syscall interface at this late date), given
    > the deployed userspace tools, just doesn't seem to be realistic.

    The pain of not having the NFS ACL hack is only moderate; it only affects
    interoperability of older systems with a feature that wasn't there before,
    and even then the effects aren't dramatic. We could live without it for a
    while, but I'll see if I code that up in time too.

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