[PATCH] [16/23] XFS: Fix gcc 4.6 set but not read and unused statement warnings

[Christoph Hellwig]

On Tue, Jun 15, 2010 at 09:02:45AM +0200, Andi Kleen wrote:
> I suspect you miss quite a lot of valuable information from
> your user base by not supporting kerneloops.org. On the other
> hand it would likely also save you from spending time on 
> flakes.
> 
> That said you don't need BUG_ON to support it (WARN etc. work
> too), it's just the easiest way.

Note that a XFS filesystem shutdown already gives a stack trace.
But picking up every filesystem shutdown on kerneloops.org seems
to be quite a bit too much.  It's usually due to IO errors from
the underlying device.