From 32d8745c88a08edaef1c35fcbf2ce3b6804b92d8 Mon Sep 17 00:00:00 2001
From: "Sumit.Saxena@lsi.com" <Sumit.Saxena@lsi.com>
Date: Wed, 22 May 2013 12:31:18 +0530
Subject: [PATCH] [SCSI] megaraid_sas: Set IO request timeout value provided by
OS timeout for Tape devices
Signed-off-by: Sumit Saxena <sumit.saxena@lsi.com>
Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
---
drivers/scsi/megaraid/megaraid_sas_fusion.c | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/drivers/scsi/megaraid/megaraid_sas_fusion.c b/drivers/scsi/megaraid/megaraid_sas_fusion.c
index a7d56687bfcabd..750cbdfedd666f 100644
--- a/drivers/scsi/megaraid/megaraid_sas_fusion.c
+++ b/drivers/scsi/megaraid/megaraid_sas_fusion.c
@@ -1527,6 +1527,18 @@ megasas_build_dcdb_fusion(struct megasas_instance *instance,
MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
cmd->request_desc->SCSIIO.DevHandle =
local_map_ptr->raidMap.devHndlInfo[device_id].curDevHdl;
+ /*
+ * If the command is for the tape device, set the
+ * FP timeout to the os layer timeout value.
+ */
+ if (scmd->device->type == TYPE_TAPE) {
+ if ((scmd->request->timeout / HZ) > 0xFFFF)
+ io_request->RaidContext.timeoutValue =
+ 0xFFFF;
+ else
+ io_request->RaidContext.timeoutValue =
+ scmd->request->timeout / HZ;
+ }
} else {
io_request->Function = MEGASAS_MPI2_FUNCTION_LD_IO_REQUEST;
io_request->DevHandle = device_id;
--
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