diff options
| author |   Shreyas Deodhar <sdeodhar@marvell.com> | 2021-09-08 09:46:19 -0700 |
|---|---|---|
| committer |   Martin K. Petersen <martin.petersen@oracle.com> | 2021-09-14 23:33:20 -0400 |
| commit | 38c61709e66294f33e474eaafd6ae3be381030da (patch) | |
| tree | e28b867016f2b3cebf6f42649c5bffa76271feaa /drivers/scsi/qla2xxx/qla_nvme.c | |
| parent | scsi: qla2xxx: Fix kernel crash when accessing port_speed sysfs file (diff) | |
| download | wireguard-linux-38c61709e66294f33e474eaafd6ae3be381030da.tar.xz wireguard-linux-38c61709e66294f33e474eaafd6ae3be381030da.zip | |
scsi: qla2xxx: Call process_response_queue() in Tx path
Process responses in Tx path if any available for better performance.
Link: https://lore.kernel.org/r/20210908164622.19240-8-njavali@marvell.com
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Shreyas Deodhar <sdeodhar@marvell.com>
Signed-off-by: Nilesh Javali <njavali@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/qla2xxx/qla_nvme.c')
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_nvme.c | 6 |
1 files changed, 6 insertions, 0 deletions
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); |