James/Linux-scsi, The following patch for megaraid_sas fixes the max_sectors setting for IEEE SGL's. Signed-off-by: Adam Radford <aradford@xxxxxxxxx> diff -Naur scsi-misc-2.6/drivers/scsi/megaraid/megaraid_sas_base.c scsi-misc-2.6.new/drivers/scsi/megaraid/megaraid_sas_base.c --- scsi-misc-2.6/drivers/scsi/megaraid/megaraid_sas_base.c 2011-02-24 18:59:19.098275734 -0800 +++ scsi-misc-2.6.new/drivers/scsi/megaraid/megaraid_sas_base.c 2011-02-24 19:00:18.258276274 -0800 @@ -3825,6 +3825,10 @@ instance->max_fw_cmds - MEGASAS_INT_CMDS; host->this_id = instance->init_id; host->sg_tablesize = instance->max_num_sge; + + if (instance->fw_support_ieee) + instance->max_sectors_per_req = MEGASAS_MAX_SECTORS_IEEE; + /* * Check if the module parameter value for max_sectors can be used */ diff -Naur scsi-misc-2.6/drivers/scsi/megaraid/megaraid_sas.h scsi-misc-2.6.new/drivers/scsi/megaraid/megaraid_sas.h --- scsi-misc-2.6/drivers/scsi/megaraid/megaraid_sas.h 2011-02-24 18:49:07.532369325 -0800 +++ scsi-misc-2.6.new/drivers/scsi/megaraid/megaraid_sas.h 2011-02-24 19:00:51.227276173 -0800 @@ -723,6 +723,7 @@ MEGASAS_MAX_DEV_PER_CHANNEL) #define MEGASAS_MAX_SECTORS (2*1024) +#define MEGASAS_MAX_SECTORS_IEEE (2*128) #define MEGASAS_DBG_LVL 1 #define MEGASAS_FW_BUSY 1
Attachment:
megaraid_sas.patch12
Description: Binary data
