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/esas2r/esas2r_main.c b/drivers/scsi/esas2r/esas2r_main.c
index 45aa684..be09c62 100644
--- a/drivers/scsi/esas2r/esas2r_main.c
+++ b/drivers/scsi/esas2r/esas2r_main.c
@@ -258,7 +258,7 @@
.slave_alloc = esas2r_slave_alloc,
.slave_destroy = esas2r_slave_destroy,
.change_queue_depth = esas2r_change_queue_depth,
- .change_queue_type = esas2r_change_queue_type,
+ .change_queue_type = scsi_change_queue_type,
.max_sectors = 0xFFFF,
};
@@ -1268,24 +1268,6 @@
return dev->queue_depth;
}
-int esas2r_change_queue_type(struct scsi_device *dev, int type)
-{
- esas2r_log(ESAS2R_LOG_INFO, "change_queue_type %p, %d", dev, type);
-
- if (dev->tagged_supported) {
- scsi_set_tag_type(dev, type);
-
- if (type)
- scsi_activate_tcq(dev, dev->queue_depth);
- else
- scsi_deactivate_tcq(dev, dev->queue_depth);
- } else {
- type = 0;
- }
-
- return type;
-}
-
int esas2r_slave_alloc(struct scsi_device *dev)
{
return 0;