Re: [PATCH] hpsa: SCSI driver for HP Smart Array controllers
From: Mike Christie
Date: Mon Mar 02 2009 - 15:38:25 EST
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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