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>

1 files changed, 0 insertions, 20 deletions

diff --git a/drivers/scsi/libfc/fc_fcp.c b/drivers/scsi/libfc/fc_fcp.c
index 1d7e76e8b447..f3043ad1f35d 100644
--- a/drivers/scsi/libfc/fc_fcp.c
+++ b/drivers/scsi/libfc/fc_fcp.c
@@ -2196,26 +2196,6 @@ int fc_change_queue_depth(struct scsi_device *sdev, int qdepth, int reason)
 EXPORT_SYMBOL(fc_change_queue_depth);
 
 /**
- * fc_change_queue_type() - Change a device's queue type
- * @sdev:     The SCSI device whose queue depth is to change
- * @tag_type: Identifier for queue type
- */
-int fc_change_queue_type(struct scsi_device *sdev, int tag_type)
-{
-        if (sdev->tagged_supported) {
-                scsi_set_tag_type(sdev, tag_type);
-                if (tag_type)
-                        scsi_activate_tcq(sdev, sdev->queue_depth);
-                else
-                        scsi_deactivate_tcq(sdev, sdev->queue_depth);
-        } else
-                tag_type = 0;
-
-        return tag_type;
-}
-EXPORT_SYMBOL(fc_change_queue_type);
-
-/**
  * fc_fcp_destory() - Tear down the FCP layer for a given local port
  * @lport: The local port that no longer needs the FCP layer
  */