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scsi: qla2xxx: move fields from qla_hw_data to qla_qpair

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- Move chip_reset, enable_class_2 fields from qla_hw_data to qla_qpair
  to reduce cache thrash for target MQ.
- Optimizations to reduce unnecessary memory load for good path io.

Signed-off-by: Quinn Tran <quinn.tran@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Quinn Tran
2017-06-13 20:47:22 -07:00
committed by Martin K. Petersen
parent 4b60c82736
commit 7c3f8fd10b
6 changed files with 73 additions and 48 deletions
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3
drivers/scsi/qla2xxx/qla_target.h
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@@ -881,6 +881,7 @@ struct qla_tgt_cmd {
struct se_cmd se_cmd;
struct fc_port *sess;
struct qla_qpair *qpair;
uint32_t reset_count;
int state;
struct work_struct work;
/* Sense buffer that will be mapped into outgoing status */
@@ -906,7 +907,6 @@ struct qla_tgt_cmd {
int offset;
u64 unpacked_lun;
enum dma_data_direction dma_data_direction;
uint32_t reset_count;
uint16_t loop_id; /* to save extra sess dereferences */
struct qla_tgt *tgt; /* to save extra sess dereferences */
@@ -980,7 +980,6 @@ struct qla_tgt_prm {
int seg_cnt;
int req_cnt;
uint16_t rq_result;
uint16_t scsi_status;
int sense_buffer_len;
int residual;
int add_status_pkt;