[RFC PATCH 9/9] libfc: adds queue_depth ramp up to libfc

[Vasu Dev <vasu.dev@intel.com>]

Increases queue_depth by one on fc_change_queue_depth call back
with reason SCSI_QDEPTH_RAMP_UP.

Signed-off-by: Vasu Dev <vasu.dev@intel.com>
---

 drivers/scsi/libfc/fc_fcp.c |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/drivers/scsi/libfc/fc_fcp.c b/drivers/scsi/libfc/fc_fcp.c
index dda4162..92e8a1b 100644
--- a/drivers/scsi/libfc/fc_fcp.c
+++ b/drivers/scsi/libfc/fc_fcp.c
@@ -2054,6 +2054,11 @@ int fc_change_queue_depth(struct scsi_device *sdev, int qdepth, int reason)
 	case SCSI_QDEPTH_QFULL:
 		scsi_track_queue_full(sdev, qdepth);
 		break;
+	case SCSI_QDEPTH_RAMP_UP:
+		if (qdepth + 1 <= FC_FCP_DFLT_QUEUE_DEPTH)
+			scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev),
+						qdepth + 1);
+		break;
 	default:
 		return -EOPNOTSUPP;
 	}