quoted

diff --git a/drivers/scsi/ufs/ufshpb.c b/drivers/scsi/ufs/ufshpb.c
index a8f8d13af21a..6f4fd22eaf2f 100644
--- a/drivers/scsi/ufs/ufshpb.c
+++ b/drivers/scsi/ufs/ufshpb.c

@@ -17,6 +17,7 @@
 #include "../sd.h"

 #define ACTIVATION_THRESHOLD 4 /* 4 IOs */
+#define EVICTION_THRESHOLD (ACTIVATION_THRESHOLD << 6) /* 256 IOs

*/

Same here, can this be added as a sysfs entry?

Yes.  Please see last patch.

Thanks,
Avri

Thanks,
Can Guo.