On Thu, Dec 06, 2018 at 11:15:13AM +0530, Kashyap Desai wrote: > > > > If the 'tag' passed to scsi_host_find_tag() is valid, I think there > > shouldn't have such issue. > > > > If you want to find outstanding IOs, maybe you can try > > blk_mq_queue_tag_busy_iter() > > or blk_mq_tagset_busy_iter(), because you may not know if the passed > 'tag' > > to > > scsi_host_find_tag() is valid or not. > > We tried quick change in mpt3sas driver using blk_mq_tagset_busy_iter and > it returns/callback for valid requests (no stale entries are returned). > Expected. > Above two APIs are only for blk-mq. What about non-mq case ? Driver > should use scsi_host_find_tag for non-mq and blk_mq_tagset_busy_iter for > blk-mq case ? But your patch is only for blk-mq, is there same issue on non-mq case? Thanks, Ming
