On 07/24/2015 04:43 PM, Christoph Hellwig wrote:
> On Fri, Jul 24, 2015 at 04:40:42PM +0200, Hannes Reinecke wrote:
>> Yeah, possibly. After all, the variable isn't expected to change
>> under rcu_read_lock().
> 
> Actually it can and will change, that's the point.  But if you use
> a local variable you keep a single version of it, which won't be
> freed until after rcu_read_unlock.
> 
Yeah, I figured this as well. Will be updating the patch.

Cheers,

Hannes
-- 
Dr. Hannes Reinecke                   zSeries & Storage
h...@suse.de                          +49 911 74053 688
SUSE LINUX Products GmbH, Maxfeldstr. 5, 90409 Nürnberg
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