>I'm either being unclear or dense.  What I was getting at was the idea of 
>having mount simply look for the mount process for any particular mount and 
>send that process the signal.  This may mean storing the PID o fthe mount 
>process in the kernel structure but that's all.

>Now, this is based on the (perhaps erroneous) assumption that each mount 
>command causes a unique process to run and manage the mount point.  Is this 
>an incorrect assumption?

Yes, this is an incorrect assumption.  From the file systems I have used only
MFS uses a process to "manage" the mount point.  And the mount_mfs process
doesn't really manage anything, because it is just a hack to get some swap-
backed VM space.

--chris