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authorQuinn Tran <quinn.tran@qlogic.com>2015-12-17 14:57:06 -0500
committerNicholas Bellinger <nab@linux-iscsi.org>2016-01-07 13:57:47 -0800
commitfb3269baf4ecc2ce6d17d4eb537080035bdf6d5b (patch)
tree2212158881f09829ec8d01d989b1d138fda2fbd1 /drivers/scsi
parentqla2xxx: Add irq affinity notification (diff)
downloadlinux-dev-fb3269baf4ecc2ce6d17d4eb537080035bdf6d5b.tar.xz
linux-dev-fb3269baf4ecc2ce6d17d4eb537080035bdf6d5b.zip
qla2xxx: Add selective command queuing
queue work element to specific process lessen cache miss Signed-off-by: Quinn Tran <quinn.tran@qlogic.com> Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Diffstat (limited to 'drivers/scsi')
-rw-r--r--drivers/scsi/qla2xxx/qla_isr.c2
-rw-r--r--drivers/scsi/qla2xxx/qla_target.c13
-rw-r--r--drivers/scsi/qla2xxx/tcm_qla2xxx.c4
3 files changed, 15 insertions, 4 deletions
diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c
index cf0fe8ec12c7..3e89122e6db0 100644
--- a/drivers/scsi/qla2xxx/qla_isr.c
+++ b/drivers/scsi/qla2xxx/qla_isr.c
@@ -3302,7 +3302,7 @@ static void qla_irq_affinity_notify(struct irq_affinity_notify *notify,
}
}
-void qla_irq_affinity_release(struct kref *ref)
+static void qla_irq_affinity_release(struct kref *ref)
{
struct irq_affinity_notify *notify =
container_of(ref, struct irq_affinity_notify, kref);
diff --git a/drivers/scsi/qla2xxx/qla_target.c b/drivers/scsi/qla2xxx/qla_target.c
index 9a4aed0e8241..d3cd271eb127 100644
--- a/drivers/scsi/qla2xxx/qla_target.c
+++ b/drivers/scsi/qla2xxx/qla_target.c
@@ -3982,13 +3982,24 @@ static int qlt_handle_cmd_for_atio(struct scsi_qla_host *vha,
cmd->cmd_in_wq = 1;
cmd->cmd_flags |= BIT_0;
+ cmd->se_cmd.cpuid = -1;
spin_lock(&vha->cmd_list_lock);
list_add_tail(&cmd->cmd_list, &vha->qla_cmd_list);
spin_unlock(&vha->cmd_list_lock);
INIT_WORK(&cmd->work, qlt_do_work);
- queue_work(qla_tgt_wq, &cmd->work);
+ if (ha->msix_count) {
+ cmd->se_cmd.cpuid = ha->tgt.rspq_vector_cpuid;
+ if (cmd->atio.u.isp24.fcp_cmnd.rddata)
+ queue_work_on(smp_processor_id(), qla_tgt_wq,
+ &cmd->work);
+ else
+ queue_work_on(cmd->se_cmd.cpuid, qla_tgt_wq,
+ &cmd->work);
+ } else {
+ queue_work(qla_tgt_wq, &cmd->work);
+ }
return 0;
}
diff --git a/drivers/scsi/qla2xxx/tcm_qla2xxx.c b/drivers/scsi/qla2xxx/tcm_qla2xxx.c
index 2881509072d9..b44f397821ef 100644
--- a/drivers/scsi/qla2xxx/tcm_qla2xxx.c
+++ b/drivers/scsi/qla2xxx/tcm_qla2xxx.c
@@ -299,7 +299,7 @@ static void tcm_qla2xxx_free_cmd(struct qla_tgt_cmd *cmd)
cmd->vha->tgt_counters.core_qla_free_cmd++;
cmd->cmd_in_wq = 1;
INIT_WORK(&cmd->work, tcm_qla2xxx_complete_free);
- queue_work(tcm_qla2xxx_free_wq, &cmd->work);
+ queue_work_on(smp_processor_id(), tcm_qla2xxx_free_wq, &cmd->work);
}
/*
@@ -504,7 +504,7 @@ static void tcm_qla2xxx_handle_data(struct qla_tgt_cmd *cmd)
cmd->cmd_flags |= BIT_10;
cmd->cmd_in_wq = 1;
INIT_WORK(&cmd->work, tcm_qla2xxx_handle_data_work);
- queue_work(tcm_qla2xxx_free_wq, &cmd->work);
+ queue_work_on(smp_processor_id(), tcm_qla2xxx_free_wq, &cmd->work);
}
static void tcm_qla2xxx_handle_dif_work(struct work_struct *work)