On Tue, May 22, 2018 at 09:46:32AM +0800, Ming Lei wrote: > It isn't a good practice to rely on timing for avoiding race, IMO.
Sure thing, and it's easy enough to avoid this one. > OK, please fix other issues mentioned in the following comment together, > then I will review further and see if it can work well. > > https://marc.info/?l=linux-block&m=152668465710591&w=2 Will do, v2 coming up by end of today.
