Re: Implementing Meta File information in Linux

Etienne Lorrain (lorrain@fb.sony.de)
Wed, 2 Sep 1998 12:18:21 +0001


Hi,

Lots of propositions have been done, how about
this one:

A file with meta-data is a simple 'tar' file,
i.e. uncompressed.
It works for cp, mv, backups.

A file with meta-data like ACL is protected
to everybody (chmod 700), a suid daemon will
take care of the ACL before giving the file
content to an authorised user.

An executable file with meta-data is just
wrapped (binfmt or something like that) to
execute 'tar -x filename.tar ~/tmp/filename;
~/tmp/filename' using tar magic number.

A data file with icon-type has just one
soft link included in the .tar, pointing
to ~/.icon/myicontype .

And the only kernel related thing, mounting
a meta-data enabled filesystem is managing
tar file creation on the fly when you do a
'ls' or a 'cp'.

Is that more than $0.02 ?
Etienne.

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