scsi: qla2xxx: Increase ql2xmaxqdepth to 64

ql2xmaxqdepth is the module parameter that seeds the per target
queue depth in the Scsi midlayer (sdev->queue_depth). Performance
testing revealed that increasing this value would improve IOPS
numbers under certain workloads.

Signed-off-by: Michael Hernandez <michael.hernandez@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index 0814ff4..715427f 100644 (file)
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -113,12 +113,12 @@ MODULE_PARM_DESC(ql2xfdmienable,
                "Enables FDMI registrations. "
                "0 - no FDMI. Default is 1 - perform FDMI.");
 
-#define MAX_Q_DEPTH    32
+#define MAX_Q_DEPTH    64
 static int ql2xmaxqdepth = MAX_Q_DEPTH;
 module_param(ql2xmaxqdepth, int, S_IRUGO|S_IWUSR);
 MODULE_PARM_DESC(ql2xmaxqdepth,
                "Maximum queue depth to set for each LUN. "
-               "Default is 32.");
+               "Default is 64.");
 
 #if (IS_ENABLED(CONFIG_NVME_FC))
 int ql2xenabledif;