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SubjectRE: [PATCH 4/4] dm: convert table_device.count from atomic_t to refcount_t
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> On Fri, Nov 24, 2017 at 08:29:42AM +0000, Reshetova, Elena wrote:
> > By looking at the code, I don't see where the change in the reference counting
> > could have caused this.
>
> The cause was the bug I identified in patch 3, not this patch.

Oh, ok, because I could not figure an issue with this patch.
I will send the fixing patch shortly.

Best Regards,
Elena.

>
> The regression is easily hit - tables that reference the same underlying device
> more than once are very common.
>
> Alasdair

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