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authorQuinn Tran <quinn.tran@cavium.com>2017-06-14 06:47:27 +0300
committerMartin K. Petersen <martin.petersen@oracle.com>2017-06-28 04:21:41 +0300
commitb5399f7d80a249fafa870d8da9fcd0d077d943b9 (patch)
tree1856e93c36b8e1e6427473f66b035cd4fe32f5a9 /drivers/scsi/qla2xxx
parent32d29b4ce82785a78d059d89f40fc1cad163e0ad (diff)
downloadlinux-b5399f7d80a249fafa870d8da9fcd0d077d943b9.tar.xz
scsi: qla2xxx: Remove datasegs_per_cmd and datasegs_per_cont field
These fields only hold one set of value. Replace it with macros to reduce cache thrash. 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>
Diffstat (limited to 'drivers/scsi/qla2xxx')
-rw-r--r--drivers/scsi/qla2xxx/qla_target.c12
-rw-r--r--drivers/scsi/qla2xxx/qla_target.h2
2 files changed, 6 insertions, 8 deletions
diff --git a/drivers/scsi/qla2xxx/qla_target.c b/drivers/scsi/qla2xxx/qla_target.c
index e8aa58dfa93c..84e813002982 100644
--- a/drivers/scsi/qla2xxx/qla_target.c
+++ b/drivers/scsi/qla2xxx/qla_target.c
@@ -2228,10 +2228,10 @@ static int qlt_pci_map_calc_cnt(struct qla_tgt_prm *prm)
* If greater than four sg entries then we need to allocate
* the continuation entries
*/
- if (prm->seg_cnt > prm->tgt->datasegs_per_cmd)
+ if (prm->seg_cnt > QLA_TGT_DATASEGS_PER_CMD_24XX)
prm->req_cnt += DIV_ROUND_UP(prm->seg_cnt -
- prm->tgt->datasegs_per_cmd,
- prm->tgt->datasegs_per_cont);
+ QLA_TGT_DATASEGS_PER_CMD_24XX,
+ QLA_TGT_DATASEGS_PER_CONT_24XX);
} else {
/* DIF */
if ((cmd->se_cmd.prot_op == TARGET_PROT_DIN_INSERT) ||
@@ -2448,7 +2448,7 @@ static void qlt_load_cont_data_segments(struct qla_tgt_prm *prm)
/* Load continuation entry data segments */
for (cnt = 0;
- cnt < prm->tgt->datasegs_per_cont && prm->seg_cnt;
+ cnt < QLA_TGT_DATASEGS_PER_CONT_24XX && prm->seg_cnt;
cnt++, prm->seg_cnt--) {
*dword_ptr++ =
cpu_to_le32(pci_dma_lo32
@@ -2492,7 +2492,7 @@ static void qlt_load_data_segments(struct qla_tgt_prm *prm)
/* Load command entry data segments */
for (cnt = 0;
- (cnt < prm->tgt->datasegs_per_cmd) && prm->seg_cnt;
+ (cnt < QLA_TGT_DATASEGS_PER_CMD_24XX) && prm->seg_cnt;
cnt++, prm->seg_cnt--) {
*dword_ptr++ =
cpu_to_le32(pci_dma_lo32(sg_dma_address(prm->sg)));
@@ -6164,8 +6164,6 @@ int qlt_add_target(struct qla_hw_data *ha, struct scsi_qla_host *base_vha)
base_vha->vp_idx);
/* 3 is reserved */
tgt->sg_tablesize = QLA_TGT_MAX_SG_24XX(base_vha->req->length - 3);
- tgt->datasegs_per_cmd = QLA_TGT_DATASEGS_PER_CMD_24XX;
- tgt->datasegs_per_cont = QLA_TGT_DATASEGS_PER_CONT_24XX;
mutex_lock(&qla_tgt_mutex);
list_add_tail(&tgt->tgt_list_entry, &qla_tgt_glist);
diff --git a/drivers/scsi/qla2xxx/qla_target.h b/drivers/scsi/qla2xxx/qla_target.h
index 902685f85506..7fe02d036bdf 100644
--- a/drivers/scsi/qla2xxx/qla_target.h
+++ b/drivers/scsi/qla2xxx/qla_target.h
@@ -806,7 +806,7 @@ struct qla_tgt {
*/
int atio_irq_cmd_count;
- int datasegs_per_cmd, datasegs_per_cont, sg_tablesize;
+ int sg_tablesize;
/* Target's flags, serialized by pha->hardware_lock */
unsigned int link_reinit_iocb_pending:1;