On Thu, Aug 30, 2018 at 01:11:18PM -0600, Jens Axboe wrote:
I think this belongs in the caller - both the validity check, and
passing in NOMERGE for this type of request. I don't want to impose
this overhead on everything, for a pretty niche case.
It is just a single branch, which will be predicted as not taken
for non-P2P users. The benefit is that we get proper error checking
by doing it in the block code.