linux-kernel - Re: [Patch] SCSI: Retrieve Cache Mode Using SG_ATA

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Message-ID: <4E9447C2.20707@garzik.org>
Date:	Tue, 11 Oct 2011 09:42:26 -0400
From:	Jeff Garzik <jeff@...zik.org>
To:	Hannes Reinecke <hare@...e.de>
CC:	Amit Sahrawat <amit.sahrawat83@...il.com>,
	James Bottomley <James.Bottomley@...senpartnership.com>,
	Alan Stern <stern@...land.harvard.edu>,
	Douglas Gilbert <dgilbert@...erlog.com>,
	linux-usb@...r.kernel.org, linux-scsi@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
	Christoph Hellwig <hch@...radead.org>,
	NamJae Jeon <linkinjeon@...il.com>
Subject: Re: [Patch] SCSI: Retrieve Cache Mode Using SG_ATA_16 if normal routine
 fails

On 10/11/2011 06:41 AM, Hannes Reinecke wrote:
> ATA_16 is a rather recent command, and most older drives simply can't
> cope with this. Instead they just kick the error handler and go offline
> eventually.

I tend to agree...  there are a great many USB drives out there, and 
this has not really been tested with a large test selection, has it?

	Jeff


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