From 2ecb204d07ac8debe3893c362415919bc78bebd6 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Mon, 3 Nov 2014 14:09:02 +0100 Subject: scsi: always assign block layer tags if enabled Allow a driver to ask for block layer tags by setting .use_blk_tags in the host template, in which case it will always see a valid value in request->tag, similar to the behavior when using blk-mq. This means even SCSI "untagged" commands will now have a tag, which is especially useful when using a host-wide tag map. Signed-off-by: Christoph Hellwig Reviewed-by: Mike Christie Reviewed-by: Martin K. Petersen Reviewed-by: Hannes Reinecke --- drivers/scsi/pmcraid.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers/scsi/pmcraid.c') diff --git a/drivers/scsi/pmcraid.c b/drivers/scsi/pmcraid.c index d5fb31fa..71f9f59 100644 --- a/drivers/scsi/pmcraid.c +++ b/drivers/scsi/pmcraid.c @@ -251,7 +251,6 @@ static int pmcraid_slave_configure(struct scsi_device *scsi_dev) if (scsi_dev->tagged_supported && (RES_IS_GSCSI(res->cfg_entry) || RES_IS_VSET(res->cfg_entry))) { - scsi_activate_tcq(scsi_dev, scsi_dev->queue_depth); scsi_adjust_queue_depth(scsi_dev, MSG_SIMPLE_TAG, scsi_dev->host->cmd_per_lun); } else { @@ -4295,7 +4294,8 @@ static struct scsi_host_template pmcraid_host_template = { .cmd_per_lun = PMCRAID_MAX_CMD_PER_LUN, .use_clustering = ENABLE_CLUSTERING, .shost_attrs = pmcraid_host_attrs, - .proc_name = PMCRAID_DRIVER_NAME + .proc_name = PMCRAID_DRIVER_NAME, + .use_blk_tags = 1, }; /* -- cgit v1.1