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authorQuinn Tran <quinn.tran@qlogic.com>2016-02-11 00:59:14 +0100
committerNicholas Bellinger <nab@linux-iscsi.org>2016-02-11 08:09:00 +0100
commit5327c7dbd1a7fd980608f44789076a636e5ee5fc (patch)
treef764afcbf73971e97ac09deaa42ddd751eabe555 /drivers/scsi/qla2xxx
parenttarget/transport: add flag to indicate CPU Affinity is observed (diff)
downloadlinux-5327c7dbd1a7fd980608f44789076a636e5ee5fc.tar.xz
linux-5327c7dbd1a7fd980608f44789076a636e5ee5fc.zip
qla2xxx: use TARGET_SCF_USE_CPUID flag to indiate CPU Affinity
Signed-off-by: Quinn Tran <quinn.tran@qlogic.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Bart Van Assche <bart.vanassche@sandisk.com> Fixes: fb3269b ("qla2xxx: Add selective command queuing") Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Diffstat (limited to 'drivers/scsi/qla2xxx')
-rw-r--r--drivers/scsi/qla2xxx/qla_target.c4
-rw-r--r--drivers/scsi/qla2xxx/tcm_qla2xxx.c3
2 files changed, 5 insertions, 2 deletions
diff --git a/drivers/scsi/qla2xxx/qla_target.c b/drivers/scsi/qla2xxx/qla_target.c
index 46c667979411..ee967becd257 100644
--- a/drivers/scsi/qla2xxx/qla_target.c
+++ b/drivers/scsi/qla2xxx/qla_target.c
@@ -4004,7 +4004,8 @@ 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;
+ cmd->se_cmd.cpuid = ha->msix_count ?
+ ha->tgt.rspq_vector_cpuid : WORK_CPU_UNBOUND;
spin_lock(&vha->cmd_list_lock);
list_add_tail(&cmd->cmd_list, &vha->qla_cmd_list);
@@ -4012,7 +4013,6 @@ static int qlt_handle_cmd_for_atio(struct scsi_qla_host *vha,
INIT_WORK(&cmd->work, qlt_do_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);
diff --git a/drivers/scsi/qla2xxx/tcm_qla2xxx.c b/drivers/scsi/qla2xxx/tcm_qla2xxx.c
index 3eecdd1bc6fb..1808a01cfb7e 100644
--- a/drivers/scsi/qla2xxx/tcm_qla2xxx.c
+++ b/drivers/scsi/qla2xxx/tcm_qla2xxx.c
@@ -462,6 +462,9 @@ static int tcm_qla2xxx_handle_cmd(scsi_qla_host_t *vha, struct qla_tgt_cmd *cmd,
if (bidi)
flags |= TARGET_SCF_BIDI_OP;
+ if (se_cmd->cpuid != WORK_CPU_UNBOUND)
+ flags |= TARGET_SCF_USE_CPUID;
+
sess = cmd->sess;
if (!sess) {
pr_err("Unable to locate struct qla_tgt_sess from qla_tgt_cmd\n");