On 10/17/2016 12:24 PM, Sumit Saxena wrote:
> Do not set MPI2_TYPE_CUDA for JBOD fastpath IOs for firmware which does
> not support JBOD sequence map.
>
> CC: stable@xxxxxxxxxxxxxxx
> Signed-off-by: Sumit Saxena <sumit.saxena@xxxxxxxxxxxx>
> Signed-off-by: Kashyap Desai <kashyap.desai@xxxxxxxxxxxx>
> ---
> drivers/scsi/megaraid/megaraid_sas_fusion.c | 8 ++++----
> 1 file changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/scsi/megaraid/megaraid_sas_fusion.c b/drivers/scsi/megaraid/megaraid_sas_fusion.c
> index 8237580..25b7720 100644
> --- a/drivers/scsi/megaraid/megaraid_sas_fusion.c
> +++ b/drivers/scsi/megaraid/megaraid_sas_fusion.c
> @@ -2003,6 +2003,8 @@ megasas_build_syspd_fusion(struct megasas_instance *instance,
> io_request->DevHandle = pd_sync->seq[pd_index].devHandle;
> pRAID_Context->regLockFlags |=
> (MR_RL_FLAGS_SEQ_NUM_ENABLE|MR_RL_FLAGS_GRANT_DESTINATION_CUDA);
> + pRAID_Context->Type = MPI2_TYPE_CUDA;
> + pRAID_Context->nseg = 0x1;
> } else if (fusion->fast_path_io) {
> pRAID_Context->VirtualDiskTgtId = cpu_to_le16(device_id);
> pRAID_Context->configSeqNum = 0;
> @@ -2038,12 +2040,10 @@ megasas_build_syspd_fusion(struct megasas_instance *instance,
> pRAID_Context->timeoutValue =
> cpu_to_le16((os_timeout_value > timeout_limit) ?
> timeout_limit : os_timeout_value);
> - if (fusion->adapter_type == INVADER_SERIES) {
> - pRAID_Context->Type = MPI2_TYPE_CUDA;
> - pRAID_Context->nseg = 0x1;
> + if (fusion->adapter_type == INVADER_SERIES)
> io_request->IoFlags |=
> cpu_to_le16(MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH);
> - }
> +
> cmd->request_desc->SCSIIO.RequestFlags =
> (MPI2_REQ_DESCRIPT_FLAGS_FP_IO <<
> MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
>
Reviewed-by: Hannes Reinecke <hare@xxxxxxxx>
Cheers,
Hannes
--
Dr. Hannes Reinecke Teamlead Storage & Networking
hare@xxxxxxx +49 911 74053 688
SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg
GF: F. Imendörffer, J. Smithard, J. Guild, D. Upmanyu, G. Norton
HRB 21284 (AG Nürnberg)
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