diff options
| author | Quinn Tran <quinn.tran@qlogic.com> | 2015-12-17 14:57:06 -0500 |
|---|---|---|
| committer | Nicholas Bellinger <nab@linux-iscsi.org> | 2016-01-07 13:57:47 -0800 |
| commit | fb3269baf4ecc2ce6d17d4eb537080035bdf6d5b (patch) | |
| tree | 2212158881f09829ec8d01d989b1d138fda2fbd1 /drivers/scsi/qla2xxx/qla_target.c | |
| parent | cdb898c52d1dfad4b4800b83a58b3fe5d352edde (diff) | |
| download | linux-fb3269baf4ecc2ce6d17d4eb537080035bdf6d5b.tar.bz2 | |
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/qla2xxx/qla_target.c')
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_target.c | 13 |
1 files changed, 12 insertions, 1 deletions
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; } |