On Thu, 2017-03-16 at 08:07 +0800, Ming Lei wrote: > > * Check whether REQ_ATOM_STARTED has been set. > > * Check whether REQ_ATOM_COMPLETE has not yet been set. > > * If both conditions have been met, set REQ_ATOM_COMPLETE. > > > > I don't think there is another solution than using a single state variable to > > represent the REQ_ATOM_STARTED and REQ_ATOM_COMPLETE states instead of two > > independent bits. How about the patch below? > > I would review it if you can confirm me that it is a real issue, :-) Hello Ming, I was chasing a v4.11 regression in the SCSI stack. Since my tests of today revealed that it's probably not a block layer issue, let's proceed with your patch. Bart.