Dave Hansen <hansendc@us.ibm.com> writes:

> We use proc_mnt as a shortcut to find a superblock on which
> to go killing /proc inodes.  This will break if we ever have
> more than one /proc superblock.  So, use the superblock list
> to go find each of the /proc sb's and kill inodes on each
> superblock.
>
> This does introduce an extra lock grab from what was there
> before, but the list should be only 1 long 99% of the time,
> and we don't exactly remove proc entries in hot paths.  Note
> that this *isn't* the path that we use to get rid of the
> actual /proc pid entries.  Those are a different beast.

Looks good. 

The only other thing we could do is turn proc/generic.c into
it's own filesystem that we mount with magic mounts like
nfs does when crossing mount points.

I think that would give us similar problems with killing inodes
when a proc entry is removed.

Eric
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