linux-kernel - [PATCH] cdrom: longer timeout for "Read Track Info" command

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Date:	Mon, 1 Jan 2007 18:36:24 -0800
From:	Jeremy Higdon <jeremy@....com>
To:	linux-kernel@...r.kernel.org
Cc:	linux-ide@...r.kernel.org, akpm@...l.org
Subject: [PATCH] cdrom: longer timeout for "Read Track Info" command

I have a DVD combo drive and a CD in which the
"READ TRACK INFORMATION" command (implemented in the
cdrom_get_track_info() function) takes about 7 seconds to run.
The current implementation of cdrom_get_track_info() uses the
default timeout of 5 seconds.  So here's a patch that increases
the timeout from 5 to 15 seconds.

The drive in question is a TSSTcorpCD/DVDW SN-S082D, and I have
a Silicon Image 680A adapter, in case that's of interest.

signed-off-by: <jeremy@....com>

diff -ur linux-2.6.20-rc3_ORIG/drivers/cdrom/cdrom.c linux-2.6.20-rc3/drivers/cdrom/cdrom.c
--- linux-2.6.20-rc3_ORIG/drivers/cdrom/cdrom.c	2006-12-31 16:53:20.000000000 -0800
+++ linux-2.6.20-rc3/drivers/cdrom/cdrom.c	2007-01-01 18:13:50.135173456 -0800
@@ -3094,6 +3094,7 @@
 	cgc.cmd[5] = track & 0xff;
 	cgc.cmd[8] = 8;
 	cgc.quiet = 1;
+	cgc.timeout = 15*HZ;

 	if ((ret = cdo->generic_packet(cdi, &cgc)))
 		return ret;
-
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