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Subject: Re: BLKBSZSET still not working on 2.4.18 ?
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: John Bradford <john@grabjohn.com>
Cc: ludovic.drolez@freealter.com,
       Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
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On Fri, 2003-01-10 at 17:08, John Bradford wrote:
> Didn't some really obscure IBM drives use it for something internally,
> and shortly after everybody else had to stop using it incase they
> overwrote the custom data at the end of an IBM disk, or am I thinking
> of something else?

Something else - EFI uses the last sector for partitioning as one example.
Drives do have protected private areas but they are shielded from normal
use for obvious reasons
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