2009/387 [Pathname Reparse Points]

[Joerg Schilling]

"Alan.M.Wright" <amw at sun.com> wrote:

> Joerg Schilling wrote:
> > "Garrett D'Amore" <gdamore at sun.com> wrote:
> >
> >   
> >>> Archivers that slurp and spit the symlink contents will work
> >>> without mods as long as they get all of the bytes, but would
> >>> need more extensive modifications if our storage was in a
> >>> system attribute.  Also, we can get the single bit we need
> >>> in ZFS now, and a 16K sysattr will not be supportable for a
> >>> few more months.
> >>>       
> >> I'm confused.  Brian says that archivers Just Work with the current 
> >> form, because the attributes are retained.  Yet, you're saying that the 
> >> attributes are not necessarily retained.  Which is it?  Right now, 
> >> either way, you have an attribute... which I *think* means that the you 
> >> need support (which may or may not be present) in the archivers.
> >>     
> >
> > If these objects will be seen as symlink file type and in case they cannot 
> > be copied using symlink(), I expect problems.
> >   
>
> You're trying to draw a distinction between this proposal and current
> symlink behavior but there is no distinction.  To existing applications,
> these will appear like symlinks that don't resolve to an existing target.

You did not answer my question: is it possible to "correctly" copy such an
object by using lstat(), readlink() and symlink()?

Jörg

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