scsi: provide a generic change_queue_type method
Most drivers use exactly the same implementation, so provide it as a
library function.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
diff --git a/drivers/scsi/pmcraid.c b/drivers/scsi/pmcraid.c
index bcb64eb..2233ed6 100644
--- a/drivers/scsi/pmcraid.c
+++ b/drivers/scsi/pmcraid.c
@@ -321,16 +321,10 @@
struct pmcraid_resource_entry *res;
res = (struct pmcraid_resource_entry *)scsi_dev->hostdata;
-
- if ((res) && scsi_dev->tagged_supported &&
- (RES_IS_GSCSI(res->cfg_entry) || RES_IS_VSET(res->cfg_entry))) {
- scsi_set_tag_type(scsi_dev, tag);
-
- if (tag)
- scsi_activate_tcq(scsi_dev, scsi_dev->queue_depth);
- else
- scsi_deactivate_tcq(scsi_dev, scsi_dev->queue_depth);
- } else
+ if (res && scsi_dev->tagged_supported &&
+ (RES_IS_GSCSI(res->cfg_entry) || RES_IS_VSET(res->cfg_entry)))
+ tag = scsi_change_queue_type(scsi_dev, tag);
+ else
tag = 0;
return tag;