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authorMichael Hernandez <michael.hernandez@cavium.com>2017-08-23 15:05:20 -0700
committerMartin K. Petersen <martin.petersen@oracle.com>2017-08-24 22:29:31 -0400
commitd213a4b7a57175b5025392b2c2e29a2f14f06bc5 (patch)
tree340fc26616443f91c3f360cad2faa162a7492cd7 /drivers/scsi/qla2xxx
parent043dc1d7e8501e292a29f7be2c3843e8da8e6448 (diff)
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>
Diffstat (limited to 'drivers/scsi/qla2xxx')
-rw-r--r--drivers/scsi/qla2xxx/qla_os.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index 0814ff4fa2c0..715427f8e732 100644
--- 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;