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authorChristoph Hellwig <hch@lst.de>2014-10-02 14:39:55 +0200
committerChristoph Hellwig <hch@lst.de>2014-11-12 11:19:39 +0100
commita62182f338b39a22035531c6afc0a8d2928b1df2 (patch)
tree57ca6cea82a09d2655daf5c161024c5015373646 /drivers/infiniband
parentscsi: handle more device handler setup/teardown in common code (diff)
downloadlinux-a62182f338b39a22035531c6afc0a8d2928b1df2.tar.xz
linux-a62182f338b39a22035531c6afc0a8d2928b1df2.zip
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>
Diffstat (limited to 'drivers/infiniband')
-rw-r--r--drivers/infiniband/ulp/srp/ib_srp.c24
1 files changed, 1 insertions, 23 deletions
diff --git a/drivers/infiniband/ulp/srp/ib_srp.c b/drivers/infiniband/ulp/srp/ib_srp.c
index 62d2a18e1b41..51670d75ab78 100644
--- a/drivers/infiniband/ulp/srp/ib_srp.c
+++ b/drivers/infiniband/ulp/srp/ib_srp.c
@@ -2259,28 +2259,6 @@ static int srp_cm_handler(struct ib_cm_id *cm_id, struct ib_cm_event *event)
}
/**
- * srp_change_queue_type - changing device queue tag type
- * @sdev: scsi device struct
- * @tag_type: requested tag type
- *
- * Returns queue tag type.
- */
-static int
-srp_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;
-}
-
-/**
* srp_change_queue_depth - setting device queue depth
* @sdev: scsi device struct
* @qdepth: requested queue depth
@@ -2600,7 +2578,7 @@ static struct scsi_host_template srp_template = {
.info = srp_target_info,
.queuecommand = srp_queuecommand,
.change_queue_depth = srp_change_queue_depth,
- .change_queue_type = srp_change_queue_type,
+ .change_queue_type = scsi_change_queue_type,
.eh_abort_handler = srp_abort,
.eh_device_reset_handler = srp_reset_device,
.eh_host_reset_handler = srp_reset_host,