* [PATCH v3 8/10] megaraid_sas : Fix validHandles check in io path
@ 2015-08-31 11:54 sumit.saxena
2015-09-04 3:34 ` Martin K. Petersen
0 siblings, 1 reply; 2+ messages in thread
From: sumit.saxena @ 2015-08-31 11:54 UTC (permalink / raw)
To: linux-scsi, thenzl, martin.petersen, hch, jbottomley,
kashyap.desai, sumit.saxena, kiran-kumar.kasturi
Cc: uday.lingala
Syncro firmware supports round robin IO switch on dual path. For this driver
use validHandles as a check for dual path. This check suppose to be > 1 (not > 2)
Without this patch, earlier driver code does not use dual path functionality.
Signed-off-by: Sumit Saxena <sumit.saxena@avagotech.com>
Signed-off-by: Kashyap Desai <kashyap.desai@avagotech.com>
---
drivers/scsi/megaraid/megaraid_sas_fusion.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/drivers/scsi/megaraid/megaraid_sas_fusion.c b/drivers/scsi/megaraid/megaraid_sas_fusion.c
index 1d73d30..1398950 100644
--- a/drivers/scsi/megaraid/megaraid_sas_fusion.c
+++ b/drivers/scsi/megaraid/megaraid_sas_fusion.c
@@ -1684,7 +1684,7 @@ megasas_build_ldio_fusion(struct megasas_instance *instance,
scp->SCp.Status &= ~MEGASAS_LOAD_BALANCE_FLAG;
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);
io_info.devHandle =
local_map_ptr->raidMap.devHndlInfo[io_info.pd_after_lb].devHandle[instance->dev_handle];
--
1.7.1
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH v3 8/10] megaraid_sas : Fix validHandles check in io path
2015-08-31 11:54 [PATCH v3 8/10] megaraid_sas : Fix validHandles check in io path sumit.saxena
@ 2015-09-04 3:34 ` Martin K. Petersen
0 siblings, 0 replies; 2+ messages in thread
From: Martin K. Petersen @ 2015-09-04 3:34 UTC (permalink / raw)
To: sumit.saxena
Cc: linux-scsi, thenzl, martin.petersen, hch, jbottomley,
kashyap.desai, kiran-kumar.kasturi, uday.lingala
>>>>> "Sumit" == sumit saxena <sumit.saxena@avagotech.com> writes:
Sumit> Syncro firmware supports round robin IO switch on dual path. For
Sumit> this driver use validHandles as a check for dual path. This check
Sumit> suppose to be > 1 (not > 2)
Sumit> Without this patch, earlier driver code does not use dual path
Sumit> functionality.
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
--
Martin K. Petersen Oracle Linux Engineering
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