NFSv4 ACLs (was: ...ACL's and reiser...)

From: Albert D. Cahalan (acahalan@cs.uml.edu)
Date: Thu Jul 27 2000 - 13:20:46 EST


Michael Gerdts writes:

> When implementing ACL's please read over section 5.9 of the NFSv4 draft.
> http://www.ietf.org/internet-drafts/draft-ietf-nfsv4-07.txt
>
> By designing ACL's (and other things) to work well with NFSv4 from the
> start, reiserfs will likely have a leg up on the competition inside and
> outside of the Linux arena for being able to support NFSv4.

Wow, that is almost pure NT 4.0, with 4 of 7 authors being from Sun!
The only difference is that the 17 access mask bits are all specific;
there is no concept of mapping generic bits to object-specific bits.
The inheritance, types, and scanning algorithm are all from NT.

This is a good system; it can handle Coda and Netware fairly well.

Well, there you go. Windows NT features are required for UNIX now.
Fortunately it isn't too late for Reiserfs and ext2. JFS seems to
have a few interesting bits already, due to the OS/2 port. XFS will
need to be dragged out of the dark ages of withdrawn POSIX drafts.
UFS has several incompatible ACL flavors already, from Sun, Digital...

Windows 2000 added some extra stuff BTW, which is not in NFSv4.

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