Add the Tape drive fix to the megaraid_sas driver: If the command is for the tape device, set the FW pthru timeout to the os layer timeout value.
Signed-off-by Bo Yang<bo.yang@xxxxxxx>
---
drivers/scsi/megaraid/megaraid_sas.c | 11 +++++++++++
1 file changed, 11 insertions(+)
diff -rupN linux-2.6.28_orig/drivers/scsi/megaraid/megaraid_sas.c linux-2.6.28_new/drivers/scsi/megaraid/megaraid_sas.c
--- linux-2.6.28_orig/drivers/scsi/megaraid/megaraid_sas.c 2009-05-04 20:06:29.000000000 -0400
+++ linux-2.6.28_new/drivers/scsi/megaraid/megaraid_sas.c 2009-05-04 20:08:26.000000000 -0400
@@ -687,6 +687,17 @@ megasas_build_dcdb(struct megasas_instan
memcpy(pthru->cdb, scp->cmnd, scp->cmd_len);
/*
+ * If the command is for the tape device, set the
+ * pthru timeout to the os layer timeout value.
+ */
+ if (scp->device->type == TYPE_TAPE) {
+ if ((scp->request->timeout / HZ) > 0xFFFF)
+ pthru->timeout = 0xFFFF;
+ else
+ pthru->timeout = scp->request->timeout / HZ;
+ }
+
+ /*
* Construct SGL
*/
if (IS_DMA64) {
--
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