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From: Forest Bond <forest@alittletooquiet.net>
To: "Przemysław 'Przemoc' Pawełczyk" <przemoc@gmail.com>
Cc: util-linux@vger.kernel.org
Subject: Re: sfdisk enhancement proposal - offset/shift support
Date: Fri, 14 Jan 2011 09:20:12 -0500	[thread overview]
Message-ID: <20110114142012.GA26786@alittletooquiet.net> (raw)
In-Reply-To: <AANLkTimJJDm-9vu_xcMjh0uQSghZE44Miz1XaHcx=p7j@mail.gmail.com>

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Hi,

On Fri, Jan 14, 2011 at 02:31:55PM +0100, Przemysław 'Przemoc' Pawełczyk wrote:
> I have following suggestion for sfdisk:
> - adding offset/shift support for cumbersome raw disk images (like
> fixed-size VDI), that don't start at the beginning of the file.
> 
> Required changes?
> IMO straightforward way is just adding another option (below is an
> example), global variable (e.g. shift) and fixing sseek() code and
> R.total_size in get_geometry() to take it into account.
> 
>     -t# [or --offset #]  ignore the number of bytes at the beginning

Isn't this something you can just use a loopback device for?

  losetup -f -o $offset $image

Thanks,
Forest
-- 
Forest Bond
http://www.alittletooquiet.net
http://www.pytagsfs.org

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  reply	other threads:[~2011-01-14 14:28 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-01-14 13:31 sfdisk enhancement proposal - offset/shift support Przemysław 'Przemoc' Pawełczyk
2011-01-14 14:20 ` Forest Bond [this message]
2011-01-14 15:45   ` Przemysław 'Przemoc' Pawełczyk

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