Re: [Devel] Re: [patch 05/10] add "permit user mounts in newnamespace" clone flag

[Trond Myklebust]

On Wed, 2007-04-18 at 16:01 +0100, Christoph Hellwig wrote:
> I suspect the right answer here is to make nfs mount handling smarter.
> The way mounting works the filesystem is allowed to choose whether it
> can re-used a superblock or needs a new one.  In the NFS case we probably
> want to allow multiple superblocks for the same export if important
> paramaters like the security model mismatch.

It might also be another application for layering. If I were able to
share enough of the inode and dentry information between superblocks,
then all sorts of interesting possibilities arise...

Cheers
  Trond

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