write event

["Francis Qu" <francis@xxxxxxxxxxxx>]

Hi,

I am testing sample_hsm/migin. After it catches a write event, it tries to 
clear managed regions by calling dm_set_region with DM_REGION_NOEVENT. It never 
returns from this call while the user write operation is suspended. It has the 
DM_RIGHT_EXCL before making the call, so there could be no access right 
problem. What's wrong?

Thanks a lot.

Francis


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