Mike Christie wrote:
iscsi also needs the unique tag and then it needs the blk_map_queue_find_tag functionality too. iscsi needs the lookup and tag for host/transport level commands that do not have a scsi command/request. The tag value has to be unique accross the host/transport
I mean that the tag needs to be unique for scsi/block commands and transport commands for each host. So a scsi command and a transport command cannot both have tag X.
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