| Message ID | 20231023203643.3209592-4-bvanassche@acm.org |
|---|---|
| State | Superseded |
| Headers | show |
| Series | Support disabling fair tag sharing | expand |
diff --git a/drivers/ufs/core/ufshcd.c b/drivers/ufs/core/ufshcd.c index c2df07545f96..ed04d1263e02 100644 --- a/drivers/ufs/core/ufshcd.c +++ b/drivers/ufs/core/ufshcd.c @@ -8866,6 +8866,7 @@ static const struct scsi_host_template ufshcd_driver_template = { .max_host_blocked = 1, .track_queue_depth = 1, .skip_settle_delay = 1, + .disable_fair_tag_sharing = 1, .sdev_groups = ufshcd_driver_groups, .rpm_autosuspend_delay = RPM_AUTOSUSPEND_DELAY_MS, };
Disable the block layer fair tag sharing algorithm because it significantly reduces performance of UFS devices with a maximum queue depth of 32. Cc: Christoph Hellwig <hch@lst.de> Cc: Martin K. Petersen <martin.petersen@oracle.com> Cc: Ming Lei <ming.lei@redhat.com> Cc: Keith Busch <kbusch@kernel.org> Cc: Damien Le Moal <damien.lemoal@opensource.wdc.com> Cc: Yu Kuai <yukuai1@huaweicloud.com> Cc: Ed Tsai <ed.tsai@mediatek.com> Signed-off-by: Bart Van Assche <bvanassche@acm.org> --- drivers/ufs/core/ufshcd.c | 1 + 1 file changed, 1 insertion(+)