diff options
| author | Quinn Tran <qutran@marvell.com> | 2020-09-03 21:51:22 -0700 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2020-09-22 18:42:45 -0400 |
| commit | 49db4d4e02aabcd4fa2f60142ef42e50fb2dd526 (patch) | |
| tree | 886dac8cb11bf055764fb96c66080d800d040cdf /drivers/scsi/qla2xxx/qla_os.c | |
| parent | d38cb849e17a34637b97ce57c550ec70d63dd39a (diff) | |
scsi: qla2xxx: Performance tweak
Move statistics fields from vha struct to qpair to reduce memory thrashing.
Link: https://lore.kernel.org/r/20200904045128.23631-8-njavali@marvell.com
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Quinn Tran <qutran@marvell.com>
Signed-off-by: Nilesh Javali <njavali@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/qla2xxx/qla_os.c')
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_os.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c index 31bfc0c088b7..78936b5265d4 100644 --- a/drivers/scsi/qla2xxx/qla_os.c +++ b/drivers/scsi/qla2xxx/qla_os.c @@ -7198,8 +7198,10 @@ qla2x00_timer(struct timer_list *t) * FC-NVME * see if the active AEN count has changed from what was last reported. */ + index = atomic_read(&ha->nvme_active_aen_cnt); if (!vha->vp_idx && - (atomic_read(&ha->nvme_active_aen_cnt) != ha->nvme_last_rptd_aen) && + (index != ha->nvme_last_rptd_aen) && + (index >= DEFAULT_ZIO_THRESHOLD) && ha->zio_mode == QLA_ZIO_MODE_6 && !ha->flags.host_shutting_down) { ql_log(ql_log_info, vha, 0x3002, @@ -7211,9 +7213,8 @@ qla2x00_timer(struct timer_list *t) } if (!vha->vp_idx && - (atomic_read(&ha->zio_threshold) != ha->last_zio_threshold) && - (ha->zio_mode == QLA_ZIO_MODE_6) && - (IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha))) { + atomic_read(&ha->zio_threshold) != ha->last_zio_threshold && + IS_ZIO_THRESHOLD_CAPABLE(ha)) { ql_log(ql_log_info, vha, 0x3002, "Sched: Set ZIO exchange threshold to %d.\n", ha->last_zio_threshold); |