So what are the semantics for writing to the file. If I modify a setuid
(or setpartlysetuid) type file then I wan't the setuidness revoked as
happens now. That is done for very good reason. Your system appears to
need a scan of the entire file system to find directory references to
this object, done atomically.
> The reason I like directory entries as opposed to inodes is that if you
> work this way, you can actually give different people _different_
> capabilities for the same program. You don't need to have two different
> installs, you can have one install and two different links to it.
I'll trade 500K of disk space for a working security model especially as
the case in question is not that common.
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