Re: [PATCH] frontswap: enable call to invalidate area on swapoff

[Krzysztof Kozlowski]

On Fri, 2013-10-11 at 10:23 +0800, Weijie Yang wrote:
> I am sorry to interrupt this topic, but I found an tiny issue near that:
> 
> we can not "set_blocksize(bdev, p->old_block_size);" at the end of swapoff()
> because swap_info p may be reused by concurrent swapon called
> I think we need to  save the p->old_block_size in a local var and use it instead
I confirm the race here (I was able to trigger it on the same swap type).


> to Krzysztof : would you please add this in your patch?
> Thanks
I think it should be another patch as this is not related with
frontswap. I'll send new one and add you as Reported-by. Is it OK with
you?


Best regards,
Krzysztof

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