From: Quinn Tran <quinn.tran@xxxxxxxxxx>
This patch initializes port speed so that firmware does not
set lower operating speed. Setting lower speed in firmware
impacts WRITE perfomance.
Fixes: 726b85487067 ("qla2xxx: Add framework for async fabric discovery")
Cc: <stable@xxxxxxxxxxxxxxx>
Singed-off-by: Quinn Tran <quinn.tran@xxxxxxxxxx>
Signed-off-by: Himanshu Madhani <himanshu.madhani@xxxxxxxxxx>
Tested-by: Laurence Oberman <loberman@xxxxxxxxxx>
---
Hi Martin,
This patch fixes initialization issue for the driver which results into setting lower
speed for WRITE transfer. In our latest experiments we have seen improvments of 47%
for WRITE data
Please apply this patch to 4.20/scsi-fixes for 4.20-rcX inclusion at your earliest convenience.
Thanks,
Himanshu
---
drivers/scsi/qla2xxx/qla_init.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
index 36d67230c3b1..92d2c6866e35 100644
--- a/drivers/scsi/qla2xxx/qla_init.c
+++ b/drivers/scsi/qla2xxx/qla_init.c
@@ -4791,6 +4791,7 @@ qla2x00_alloc_fcport(scsi_qla_host_t *vha, gfp_t flags)
fcport->loop_id = FC_NO_LOOP_ID;
qla2x00_set_fcport_state(fcport, FCS_UNCONFIGURED);
fcport->supported_classes = FC_COS_UNSPECIFIED;
+ fcport->fp_speed = PORT_SPEED_UNKNOWN;
fcport->ct_desc.ct_sns = dma_alloc_coherent(&vha->hw->pdev->dev,
sizeof(struct ct_sns_pkt), &fcport->ct_desc.ct_sns_dma,
--
2.12.0
