linux-kernel - [PATCH 1/12] scsi: megaraid_sas

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Message-ID: <4B6A08C587958942AA3002690DD4F8C35C6861A5@cosmail02.lsi.com>
Date:	Tue, 6 Oct 2009 14:12:21 -0600
From:	"Yang, Bo" <Bo.Yang@....com>
To:	"Yang, Bo" <Bo.Yang@....com>,
	"James.Bottomley@...senPartnership.com" 
	<James.Bottomley@...senPartnership.com>,
	"James.Bottomley@...e.de" <James.Bottomley@...e.de>
CC:	"linux-scsi@...r.kernel.org" <linux-scsi@...r.kernel.org>,
	"akpm@...l.org" <akpm@...l.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"Austria, Winston" <Winston.Austria@....com>,
	"Mukker, Atul" <Atul.Mukker@....com>
Subject: [PATCH 1/12] scsi: megaraid_sas - tape drive support fix

RESUBMIT:

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@....com>

---
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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