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megaraid_sas: Fix validHandles check in I/O path 

Syncro firmware supports round robin I/O switching on dual path. Driver
uses validHandles to check for dual path. However, it is supposed to
check for values > 1 (not > 2).

Signed-off-by: Sumit Saxena <sumit.saxena@avagotech.com>
Signed-off-by: Kashyap Desai <kashyap.desai@avagotech.com>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
sumit.saxena@avagotech.com 2015-08-31 17:24:01 +05:30 committed by Martin K. Petersen
parent 714f517745
commit 75b96061eb
1 changed files with 1 additions and 1 deletions
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2
drivers/scsi/megaraid/megaraid_sas_fusion.c
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@ -1684,7 +1684,7 @@ megasas_build_ldio_fusion(struct megasas_instance *instance,
scp->SCp.Status &= ~MEGASAS_LOAD_BALANCE_FLAG; scp->SCp.Status &= ~MEGASAS_LOAD_BALANCE_FLAG;
if ((raidLUN[0] == 1) && if ((raidLUN[0] == 1) &&
(local_map_ptr->raidMap.devHndlInfo[io_info.pd_after_lb].validHandles > 2)) { (local_map_ptr->raidMap.devHndlInfo[io_info.pd_after_lb].validHandles > 1)) {
instance->dev_handle = !(instance->dev_handle); instance->dev_handle = !(instance->dev_handle);
io_info.devHandle = io_info.devHandle =
local_map_ptr->raidMap.devHndlInfo[io_info.pd_after_lb].devHandle[instance->dev_handle]; local_map_ptr->raidMap.devHndlInfo[io_info.pd_after_lb].devHandle[instance->dev_handle];