From: Shivasharan S Date: Fri, 10 Feb 2017 08:59:38 +0000 (-0800) Subject: scsi: megaraid_sas: Change RAID_1_10_RMW_CMDS to RAID_1_PEER_CMDS and set value to 2 X-Git-Tag: v4.11-rc1~141^2~4 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=a73b0a4b5d17ee39b2cbac7638a97077189b80cc;p=platform%2Fkernel%2Flinux-exynos.git scsi: megaraid_sas: Change RAID_1_10_RMW_CMDS to RAID_1_PEER_CMDS and set value to 2 For RAID1 FastPath writes, driver needs to allocate extra commands internally to accommodate for the extra peer command being sent. Currently driver is allocating 2 extra commands for each but only one extra command is necessary. Set RAID_1_10_RMW_CMDS to 2 and also change macro name to RAID_1_PEER_CMDS. Signed-off-by: Kashyap Desai Signed-off-by: Shivasharan S Reviewed-by: Hannes Reinecke Reviewed-by: Tomas Henzl Signed-off-by: Martin K. Petersen --- diff --git a/drivers/scsi/megaraid/megaraid_sas_fusion.c b/drivers/scsi/megaraid/megaraid_sas_fusion.c index 9928766..7500901 100644 --- a/drivers/scsi/megaraid/megaraid_sas_fusion.c +++ b/drivers/scsi/megaraid/megaraid_sas_fusion.c @@ -293,7 +293,7 @@ megasas_fusion_update_can_queue(struct megasas_instance *instance, int fw_boot_c if (instance->is_ventura) instance->max_mpt_cmds = - instance->max_fw_cmds * RAID_1_10_RMW_CMDS; + instance->max_fw_cmds * RAID_1_PEER_CMDS; else instance->max_mpt_cmds = instance->max_fw_cmds; } diff --git a/drivers/scsi/megaraid/megaraid_sas_fusion.h b/drivers/scsi/megaraid/megaraid_sas_fusion.h index 8e8c35f..d78d7611 100644 --- a/drivers/scsi/megaraid/megaraid_sas_fusion.h +++ b/drivers/scsi/megaraid/megaraid_sas_fusion.h @@ -101,7 +101,7 @@ enum MR_RAID_FLAGS_IO_SUB_TYPE { #define MEGASAS_FP_CMD_LEN 16 #define MEGASAS_FUSION_IN_RESET 0 #define THRESHOLD_REPLY_COUNT 50 -#define RAID_1_10_RMW_CMDS 3 +#define RAID_1_PEER_CMDS 2 #define JBOD_MAPS_COUNT 2 enum MR_FUSION_ADAPTER_TYPE {