linux-kernel - Re: [PATCH] libata and starting/stopping ATAPI floppy devices

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Date:	Thu, 10 Jan 2008 17:21:49 -0500
From:	Jeff Garzik <jgarzik@...ox.com>
To:	Tejun Heo <htejun@...il.com>
CC:	Ondrej Zary <linux@...nbow-software.org>,
	linux-ide@...r.kernel.org,
	Linux Kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] libata and starting/stopping ATAPI floppy devices

Tejun Heo wrote:
> From: Ondrej Zary <linux@...nbow-software.org>
> 
> Prevent libata from starting/stopping non-ATA devices (like ATAPI floppy 
> drives) as they don't seem to like it:
> 
> sd 1:0:1:0: [sdb] Starting disk
> ata2.01: configured for PIO2
> sd 1:0:1:0: [sdb] Result: hostbyte=0x00 driverbyte=0x08
> sd 1:0:1:0: [sdb] Sense Key : 0x2 [current]
> sd 1:0:1:0: [sdb] ASC=0x3a ASCQ=0x0
> 
> Signed-off-by: Ondrej Zary <linux@...nbow-software.org>
> Signed-off-by: Tejun Heo <htejun@...il.com>
> ---
> Trimmed message body and reformatted such that it's script friendly.
> 
>  drivers/ata/libata-scsi.c |    3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> --- linux-2.6.23-orig/drivers/ata/libata-scsi.c	2007-10-09 22:31:38.000000000 +0200
> +++ linux-2.6.23-pentium/drivers/ata/libata-scsi.c	2008-01-05 15:50:16.000000000 +0100
> @@ -802,7 +802,8 @@
>  
>  	blk_queue_max_phys_segments(sdev->request_queue, LIBATA_MAX_PRD);
>  
> -	sdev->manage_start_stop = 1;
> +	if (dev->class == ATA_DEV_ATA)
> +		sdev->manage_start_stop = 1;
>  
>  	if (dev)

applied #upstream-fixes manually.  not sure why git-am didn't like it, 
but patch(1) did.


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