[PATCH 1 of 1 STABLE V2] merge: increase safety of parallel updating/removing on icasefs

[Mads Kiilerich]

On 04/30/2013 08:10 AM, Noel Grandin wrote:
> Maybe create a debug flag to force it on? Then the same set of tests 
> could be rerun with the flag set.

The tricky part is to do it in a way where we are sure to exercise all 
the worst possible partitioning and scheduling ... and in a reliable way 
and without doubling the time it takes to run the test suite.

/Mads