diff options
| author | Shreyas Deodhar <sdeodhar@marvell.com> | 2022-12-21 20:39:32 -0800 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2023-01-11 23:48:26 -0500 |
| commit | 1d201c81d4cc6840735bbcc99e6031503e5cf3b8 (patch) | |
| tree | 4a9075fef4c76657b9f7d902ad1042f47e3c18f3 /drivers/scsi/qla2xxx/qla_nvme.c | |
| parent | 2f5fab1b6c3a8efc93ba52c28539c45a8d0142ad (diff) | |
scsi: qla2xxx: Select qpair depending on which CPU post_cmd() gets called
In current I/O path, Tx and Rx may not be processed on same CPU. This may
lead to thrashing and optimum performance may not be achieved.
Pick qpair such that Tx and Rx are processed on same CPU.
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 | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/scsi/qla2xxx/qla_nvme.c b/drivers/scsi/qla2xxx/qla_nvme.c index c57e02a35521..648e8f798606 100644 --- a/drivers/scsi/qla2xxx/qla_nvme.c +++ b/drivers/scsi/qla2xxx/qla_nvme.c @@ -609,6 +609,7 @@ static int qla_nvme_post_cmd(struct nvme_fc_local_port *lport, fc_port_t *fcport; struct srb_iocb *nvme; struct scsi_qla_host *vha; + struct qla_hw_data *ha; int rval; srb_t *sp; struct qla_qpair *qpair = hw_queue_handle; @@ -629,6 +630,7 @@ static int qla_nvme_post_cmd(struct nvme_fc_local_port *lport, return -ENODEV; vha = fcport->vha; + ha = vha->hw; if (test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) return -EBUSY; @@ -643,6 +645,8 @@ static int qla_nvme_post_cmd(struct nvme_fc_local_port *lport, if (fcport->nvme_flag & NVME_FLAG_RESETTING) return -EBUSY; + qpair = qla_mapq_nvme_select_qpair(ha, qpair); + /* Alloc SRB structure */ sp = qla2xxx_get_qpair_sp(vha, qpair, fcport, GFP_ATOMIC); if (!sp) |