Coda File System

Re: the protection model

From: Jan Harkes <jaharkes_at_cs.cmu.edu>
Date: Fri, 23 Mar 2007 15:22:00 -0400
On Fri, Mar 23, 2007 at 02:26:45PM +0100, u+codalist-p4pg_at_chalmers.se wrote:
> The "lack of cache isolation" is a problem which Coda apparently inherited
> from AFS. We should get rid of it.

No it is inherited from the fact that the UNIX VFS layer expects UNIX
semantics, which means that applications share the same pagecache/memory
mappings when they open the same file.

This is how the kernel's filesystem and memory management model is
designed.

Jan
Received on 2007-03-23 15:23:31