Re: dm: fix AB-BA deadlock in __dm_destroy()

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On 10/02/15 05:45, Mike Snitzer wrote:
>> The problem could be reproduced with this script but it might take long.
>> (In my environment, it took more than 10 minutes)
> 
> Hi,
> 
> Thanks for fixing this.  What prompted you to chase this down?  Was it
> the work you were doing to reproduce Bart's blk-mq mpath failure that
> exposed this issue?

Yes. 

> FYI, interestingly, your fix looks to be applicable to this issue too:
> https://bugzilla.redhat.com/show_bug.cgi?id=1267650

Oh, good coincidence.

-- 
Jun'ichi Nomura, NEC Corporation

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