On Fri, Jun 15, 2018 at 11:20:40AM +0800, Ming Lei wrote: > > but blk_mq_check_expired doesn't do that. > > do I miss anything ? > > Right, that is the difference between blk-mq and legacy now, then if scsi-mq > drivers can work well, they should work well with the following change in the > non-mq mode: We'll still need referene counting against reuse and/or premature freeing of requests.
