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authorShivasharan S <shivasharan.srikanteshwara@broadcom.com>2017-02-10 03:59:38 -0500
committerMartin K. Petersen <martin.petersen@oracle.com>2017-02-13 07:26:23 -0500
commita73b0a4b5d17ee39b2cbac7638a97077189b80cc (patch)
tree9fda20506b5e540c996353026de6e4c4765b359d
parent41064f1bf8886bc43afbd9aa23a698f97bc65664 (diff)
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 <kashyap.desai@broadcom.com> Signed-off-by: Shivasharan S <shivasharan.srikanteshwara@broadcom.com> Reviewed-by: Hannes Reinecke <hare@suse.com> Reviewed-by: Tomas Henzl <thenzl@redhat.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
-rw-r--r--drivers/scsi/megaraid/megaraid_sas_fusion.c2
-rw-r--r--drivers/scsi/megaraid/megaraid_sas_fusion.h2
2 files changed, 2 insertions, 2 deletions
diff --git a/drivers/scsi/megaraid/megaraid_sas_fusion.c b/drivers/scsi/megaraid/megaraid_sas_fusion.c
index 9928766445d6..750090119f81 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
293 293
294 if (instance->is_ventura) 294 if (instance->is_ventura)
295 instance->max_mpt_cmds = 295 instance->max_mpt_cmds =
296 instance->max_fw_cmds * RAID_1_10_RMW_CMDS; 296 instance->max_fw_cmds * RAID_1_PEER_CMDS;
297 else 297 else
298 instance->max_mpt_cmds = instance->max_fw_cmds; 298 instance->max_mpt_cmds = instance->max_fw_cmds;
299} 299}
diff --git a/drivers/scsi/megaraid/megaraid_sas_fusion.h b/drivers/scsi/megaraid/megaraid_sas_fusion.h
index 8e8c35f6b872..d78d76112501 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 {
101#define MEGASAS_FP_CMD_LEN 16 101#define MEGASAS_FP_CMD_LEN 16
102#define MEGASAS_FUSION_IN_RESET 0 102#define MEGASAS_FUSION_IN_RESET 0
103#define THRESHOLD_REPLY_COUNT 50 103#define THRESHOLD_REPLY_COUNT 50
104#define RAID_1_10_RMW_CMDS 3 104#define RAID_1_PEER_CMDS 2
105#define JBOD_MAPS_COUNT 2 105#define JBOD_MAPS_COUNT 2
106 106
107enum MR_FUSION_ADAPTER_TYPE { 107enum MR_FUSION_ADAPTER_TYPE {