From a62182f338b39a22035531c6afc0a8d2928b1df2 Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@lst.de>
Date: Thu, 2 Oct 2014 14:39:55 +0200
Subject: 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>
---
 include/scsi/scsi_tcq.h | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'include/scsi/scsi_tcq.h')

diff --git a/include/scsi/scsi_tcq.h b/include/scsi/scsi_tcq.h
index 7529c6acc231..1712dab6e00e 100644
--- a/include/scsi/scsi_tcq.h
+++ b/include/scsi/scsi_tcq.h
@@ -16,6 +16,8 @@
 
 #ifdef CONFIG_BLOCK
 
+int scsi_change_queue_type(struct scsi_device *sdev, int tag_type);
+
 /**
  * scsi_get_tag_type - get the type of tag the device supports
  * @sdev:	the scsi device
-- 
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