[Lustre-devel] Re-direction inodes
Nikita.Danilov at Sun.COM
Mon Jun 2 04:11:36 PDT 2008
Peter Braam writes:
> Hi Nikita -
> I have a need in doing an architecture for a customer of a Lustre client
> feature to have different data/page caches associated with an inode,
> depending on the user that accesses it. So when a file is read, user A
> will read different data from user B (assume the same for writes, but I
> think this is a read-only feature).
> I remember that in the Coda file system we could easily re-direct I/O to
> another inode using almost standard features in the VFS/page caches. Is
> this still the case? Would this work for the purpose I describe above?
I am not sure how this can be done with the VFS mechanisms. Alex pointed
out that some kind of stacked file system similar to smfs can be used
for this purpose.
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