linux-kernel - [S390] cio: add timeout handler for internal operations.

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Message-ID: <20061004180033.GJ26756@skybase>
Date:	Wed, 4 Oct 2006 20:00:33 +0200
From:	Martin Schwidefsky <schwidefsky@...ibm.com>
To:	linux-kernel@...r.kernel.org, peter.oberparleiter@...ibm.com
Subject: [S390] cio: add timeout handler for internal operations.

From: Peter Oberparleiter <peter.oberparleiter@...ibm.com>

[S390] cio: add timeout handler for internal operations.

Add timeout handler for common-I/O-layer-internal I/O operations.

Signed-off-by: Peter Oberparleiter <peter.oberparleiter@...ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@...ibm.com>
---

 drivers/s390/cio/device_ops.c |    3 +++
 1 files changed, 3 insertions(+)

diff -urpN linux-2.6/drivers/s390/cio/device_ops.c linux-2.6-patched/drivers/s390/cio/device_ops.c
--- linux-2.6/drivers/s390/cio/device_ops.c	2006-10-04 19:53:47.000000000 +0200
+++ linux-2.6-patched/drivers/s390/cio/device_ops.c	2006-10-04 19:53:53.000000000 +0200
@@ -312,7 +312,10 @@ __ccw_device_retry_loop(struct ccw_devic
 
 	sch = to_subchannel(cdev->dev.parent);
 	do {
+		ccw_device_set_timeout(cdev, 60 * HZ);
 		ret = cio_start (sch, ccw, lpm);
+		if (ret != 0)
+			ccw_device_set_timeout(cdev, 0);
 		if (ret == -EBUSY) {
 			/* Try again later. */
 			spin_unlock_irq(&sch->lock);
-
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