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authorSumit.Saxena@lsi.com <Sumit.Saxena@lsi.com>2013-05-22 12:31:18 +0530
committerJames Bottomley <JBottomley@Parallels.com>2013-06-24 17:34:38 -0700
commit32d8745c88a08edaef1c35fcbf2ce3b6804b92d8 (patch)
tree6406e6abcd5cf599bc0726849463cfd6f022cdac
parent105900d56e6f8a4dd47bb88fa387ab22ea787884 (diff)
[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>
-rw-r--r--drivers/scsi/megaraid/megaraid_sas_fusion.c12
1 files changed, 12 insertions, 0 deletions
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;