From: Shivasharan S <shivasharan.srikanteshwara@broadcom.com>
Date: Fri, 10 Mar 2017 11:22:14 +0000 (-0800)
Subject: scsi: megaraid_sas: raid6 also require cpuSel check same as raid5
X-Git-Tag: v4.11-rc4~30^2^2~6
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=874d025da667d19b728141437ccbefe9dbaf9e7b;p=karo-tx-linux.git

scsi: megaraid_sas: raid6 also require cpuSel check same as raid5

Without this fix, raid6 performance will not be optimal.

Signed-off-by: Kashyap Desai <kashyap.desai@broadcom.com>
Signed-off-by: Shivasharan S <shivasharan.srikanteshwara@broadcom.com>
Reviewed-by: Tomas Henzl <thenzl@redhat.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
---

diff --git a/drivers/scsi/megaraid/megaraid_sas_fusion.c b/drivers/scsi/megaraid/megaraid_sas_fusion.c
index ebd746e2d97c..f990ab4d45e1 100644
--- a/drivers/scsi/megaraid/megaraid_sas_fusion.c
+++ b/drivers/scsi/megaraid/megaraid_sas_fusion.c
@@ -2159,7 +2159,7 @@ megasas_set_raidflag_cpu_affinity(union RAID_CONTEXT_UNION *praid_context,
 				cpu_sel = MR_RAID_CTX_CPUSEL_1;
 
 			if (is_stream_detected(rctx_g35) &&
-			    (raid->level == 5) &&
+			    ((raid->level == 5) || (raid->level == 6)) &&
 			    (raid->writeMode == MR_RL_WRITE_THROUGH_MODE) &&
 			    (cpu_sel == MR_RAID_CTX_CPUSEL_FCFS))
 				cpu_sel = MR_RAID_CTX_CPUSEL_0;