scsi: megaraid_sas: raid6 also require cpuSel check same as raid5
authorShivasharan S <shivasharan.srikanteshwara@broadcom.com>
Fri, 10 Mar 2017 11:22:14 +0000 (03:22 -0800)
committerMartin K. Petersen <martin.petersen@oracle.com>
Tue, 14 Mar 2017 02:59:53 +0000 (22:59 -0400)
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>
drivers/scsi/megaraid/megaraid_sas_fusion.c

index ebd746e..f990ab4 100644 (file)
@@ -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;