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Re: Making forced unmounts work

Looks like this thread is dead.  No one beside David Holland is
interested and David objects.  I take back my proposal.

David wants to track information about threads running a vnode
operation from vnode_if.c. I have no idea how this could be done
without knowing file system implementation.

David wants forced unmounts to work even if a thread gets stuck
permanently in a vnode operation.  I don't see a way to safely
reclaim a vnode from a file system when this vnode is in use by
another thread.

J. Hannken-Illjes - - TU Braunschweig 

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