From: Sumit.Saxena@lsi.com <Sumit.Saxena@lsi.com>
Date: Wed, 22 May 2013 07:01:18 +0000 (+0530)
Subject: [SCSI] megaraid_sas: Set IO request timeout value provided by OS timeout for Tape... 
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=32d8745c88a08edaef1c35fcbf2ce3b6804b92d8;p=GitHub%2Fexynos8895%2Fandroid_kernel_samsung_universal8895.git

[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>
---

diff --git a/drivers/scsi/megaraid/megaraid_sas_fusion.c b/drivers/scsi/megaraid/megaraid_sas_fusion.c
index a7d56687bfca..750cbdfedd66 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;