linux-kernel - Re: Checking a USB drive's capacity

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Message-Id: <200812231332.32818.oliver@neukum.org>
Date:	Tue, 23 Dec 2008 13:32:32 +0100
From:	Oliver Neukum <oliver@...kum.org>
To:	Robert Hancock <hancockr@...w.ca>
Cc:	linux-kernel@...r.kernel.org, Jens Axboe <axboe@...nel.dk>
Subject: Re: Checking a USB drive's capacity

Am Dienstag, 23. Dezember 2008 05:51:39 schrieb Robert Hancock:
> It seems to me that the safest solution would be to mark USB storage 
> devices as unsafe for last-sector partition table probing, like some 
> kind of CAPACITY_DUBIOUS flag, causing it to be skipped on these 
> devices, at least by default. After all, it would seem quite unusual to 
> see anything other than a DOS-style partition table on a USB storage 
> device (or else no partition table at all).

That would not help if user space (especially udev helpers) go for the end
of the device.

	Regards
		Oliver

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