diff mbox series

[07/10] qla2xxx: Call process_response_queue() in Tx path

Message ID 20210908072846.10011-8-njavali@marvell.com
State New
Headers show
Series qla2xxx driver bug fixes | expand

Commit Message

Nilesh Javali Sept. 8, 2021, 7:28 a.m. UTC 
From: Shreyas Deodhar <sdeodhar@marvell.com>

Process responses in Tx path if any available for better performance.

Signed-off-by: Shreyas Deodhar<sdeodhar@marvell.com>
Signed-off-by: Nilesh Javali <njavali@marvell.com>
---
 drivers/scsi/qla2xxx/qla_nvme.c | 6 ++++++
 1 file changed, 6 insertions(+)
diff mbox series

Patch

diff --git a/drivers/scsi/qla2xxx/qla_nvme.c b/drivers/scsi/qla2xxx/qla_nvme.c
index 877b2b625020..0ae1e081cb03 100644
--- a/drivers/scsi/qla2xxx/qla_nvme.c
+++ b/drivers/scsi/qla2xxx/qla_nvme.c
@@ -399,6 +399,7 @@  static inline int qla2x00_start_nvme_mq(srb_t *sp)
 	uint16_t	avail_dsds;
 	struct dsd64	*cur_dsd;
 	struct req_que *req = NULL;
+	struct rsp_que *rsp = NULL;
 	struct scsi_qla_host *vha = sp->fcport->vha;
 	struct qla_hw_data *ha = vha->hw;
 	struct qla_qpair *qpair = sp->qpair;
@@ -410,6 +411,7 @@  static inline int qla2x00_start_nvme_mq(srb_t *sp)
 
 	/* Setup qpair pointers */
 	req = qpair->req;
+	rsp = qpair->rsp;
 	tot_dsds = fd->sg_cnt;
 
 	/* Acquire qpair specific lock */
@@ -571,6 +573,10 @@  static inline int qla2x00_start_nvme_mq(srb_t *sp)
 	/* Set chip new ring index. */
 	wrt_reg_dword(req->req_q_in, req->ring_index);
 
+	if (vha->flags.process_response_queue &&
+	    rsp->ring_ptr->signature != RESPONSE_PROCESSED)
+		qla24xx_process_response_queue(vha, rsp);
+
 queuing_error:
 	spin_unlock_irqrestore(&qpair->qp_lock, flags);