Re: Ext3 filesystem info?

Helge Hafting (helge.hafting@idb.hist.no)
Tue, 21 Sep 1999 12:13:28 +0200


>The problem is that different, already established filesystems: AFS,
>Coda, NTFS, etc., all have different ACL semantics. For example, AFS
>only has an ACL on a per-directory basis.

Seems to me that some of this can be solved with a good generic
ACL interface in the VFS. Various filesystems may then implement
more or less of the VFS interface depending on what they support.
Just as some filesystems implement links and some don't.

So setting an ACL on something will work if the operation is supported
there. I.e. AFS will reject ACL on a file and NTFS will not. A fs
with extremely ill-fitting semantics may not use all abilities
when used from linux.

Helge Hafting

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