"Maury Markowitz" <[EMAIL PROTECTED]> wrote:
> I believe xattrs were added to store things just like what we're talking
> about here. Specifically, if I'm not mistaken, many originally used them for
> ALC storage. Now that zfs promotes ACL's to first-class citizens, it seems
> that a reevaluation of what people ACTUALLY DO with xattrs and whether or
> not the current mechanism is "correct" for this role certainly seems in
> order. If some large percentage of use-cases turns out to be "storing
> ACL's", and some smaller percentage is "other OS metadata", then certainly
> it seems that a dedicated "expanding" (as in the zfs ACL system) key/value
> pair storage system seems to make sense. But that implies more API, which I
> don't think anyone would want.
XATTRs have been implemented recently while ACLs exist for a long time.
Solaris-2.4 has them already inside UFS....
The fact that Linux and FreeBSD did put them into XATTRs is a hack and the
way they implement ACLs make them slow.
Jörg
--
EMail:[EMAIL PROTECTED] (home) Jörg Schilling D-13353 Berlin
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