From: Don Brace <don.brace@microsemi.com>
Date: Mon, 20 Jul 2020 21:52:57 +0000 (-0500)
Subject: scsi: hpsa: Increase queue depth for external LUNs
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=9bb872a725f6ff34e83a6d3e7ada118f2a1da684;p=linux.git

scsi: hpsa: Increase queue depth for external LUNs

Increase queue_depth for PTRAID devices to improve performance.

Link: https://lore.kernel.org/r/159528197765.24772.15623281371636788406.stgit@brunhilda
Reviewed-by: Scott Teel <scott.teel@microsemi.com>
Reviewed-by: Scott Benesh <scott.benesh@microsemi.com>
Reviewed-by: Kevin Barnett <kevin.barnett@microsemi.com>
Signed-off-by: Don Brace <don.brace@microsemi.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
---

diff --git a/drivers/scsi/hpsa.h b/drivers/scsi/hpsa.h
index f8c88fc7b80a0..6b87d9815b358 100644
--- a/drivers/scsi/hpsa.h
+++ b/drivers/scsi/hpsa.h
@@ -57,7 +57,7 @@ struct hpsa_sas_phy {
 	bool added_to_port;
 };
 
-#define EXTERNAL_QD 7
+#define EXTERNAL_QD 128
 struct hpsa_scsi_dev_t {
 	unsigned int devtype;
 	int bus, target, lun;		/* as presented to the OS */