ZFS support for Access Based Enumeration [PSARC/2009/246 FastTrack timeout 04/27/2009]

[Alan.M.Wright]

Darren J Moffat <Darren.Moffat at Sun.COM> wrote:
> I'm happy with the case as specified.  Initially I missed how this would 
> actually be requested but on second reading I saw that the caller passes 
> the V_RDDIR_ACCFILTER flag.
> 
> Is this case intended to modify the CIFS server to pass this flag or is 
> there another case for that ?

That will be a different case, which will follow after approval of this
case.  I felt it would simplify the dependencies and test matrix for each
case to keep them separate.

> I think there is a possibly interesting (to some people anyway) RFE in 
> here for local ZFS filesystems.  A per dataset property that enables 
> this behaviour.  Not this case though.

Enabling this property on local file systems may have undesirable side
effects.  For example, backup/archiving applications may inadvertently
miss files (because the directory content visible to applications is not
dependent solely on having directory read permission with ABE
enabled).  I don't think Windows allows ABE to be enabled on local
file systems, it is only available on shares.

Alan

> Regardless of the answers to the above I'm happy with it as specified.
> 
> --
> Darren J Moffat
>