NAK: [PATCH 1/2] blktrace: Protect q->blk_trace with RCU

[benjamin.romer at canonical.com]

On Tue, 2020-03-31 at 15:21 +0200, Andrea Righi wrote:
> 
> I think there's an error here. This "if" line should be removed,
> otherwise we're just checking random data in the stack.
> 

Thanks for catching this!! Upon double-checking the patch I found a
second merge error just like that one. I'll fix, retest and then
resubmit. :)

-- Ben