On Fri, Mar 17, 2017 at 5:35 AM, Bart Van Assche <Bart.VanAssche@xxxxxxxxxxx> wrote: > 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. Yeah, it shouldn't have been related with blk-mq timeout handler which isn't changed much recently, and thanks for your review! Thanks, Ming Lei