On Sat, 2007-06-23 at 13:28 +0200, Miklos Szeredi wrote:
> 
> I'd suggest something along these lines in final mntput:
> 
>         lock_and_coalesce_cpu_mnt_writer_counts();
>         mnt_unlock_cpus();
>         BUG_ON(atomic_read(&mnt->__mnt_writers));
> 
> since there's basically no other we'll notice if there _is_ an
> imbalance.

That's a very good idea.  I've added that check, but a WARN_ON() instead
of a BUG_ON().

Does __mntput() seem like the right place to you?

-- Dave

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