From: Bill Davidsen <davidsen@tmr.com>
To: jassi_singh_brar@yahoo.com
Cc: linux-kernel@vger.kernel.org
Subject: Re: An idea .... with code
Date: Mon, 25 Aug 2008 22:47:13 -0400 [thread overview]
Message-ID: <48B36EB1.4040201@tmr.com> (raw)
In-Reply-To: <801995.65435.qm@web33201.mail.mud.yahoo.com>
jassi brar wrote:
> Hi,
>
> Lately a question has been bugging me: Why do we keep complicated(specific ioctls to set up and set free) LOOP driver to emulate a data file as block-device, for it to be mounted/formated.
>
> Wouldn't it be nice if we didnt have to specify '-o loop' or use losetup -d etc?
>
> With inspiration from UMS-Gadget and LOOP driver itself, I implemented a proof of concept: A kernel module which creats a node in /sys/devices/ and un/loads files to be emulated as block devices. The interface doesn't implement any new ioctls or a syscall.
>
This seems like a really interesting idea, but will it interface with
crypto applications like LUKS? Crypto seems to be a vital feature for
anything related to devices and/or filesystems if an approach is going
to be more than a niche slution.
--
Bill Davidsen <davidsen@tmr.com>
"We have more to fear from the bungling of the incompetent than from
the machinations of the wicked." - from Slashdot
next prev parent reply other threads:[~2008-08-26 2:34 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-08-24 8:53 An idea .... with code jassi brar
2008-08-25 12:22 ` Jochen Voß
2008-08-25 20:53 ` Marcin Slusarz
2008-08-26 2:47 ` Bill Davidsen [this message]
2008-08-26 8:24 ` Andi Kleen
2008-08-26 10:44 ` Alexey Dobriyan
2008-08-26 11:08 ` Andi Kleen
2008-08-27 7:24 ` jassi brar
2008-08-27 7:47 ` Andi Kleen
2008-08-27 9:57 ` David Newall
2008-08-27 10:01 ` Andi Kleen
2008-08-27 12:38 ` jassi brar
2008-08-27 12:47 ` Andi Kleen
2008-08-27 14:49 ` Kasper Sandberg
2008-08-27 15:02 ` Andi Kleen
2008-08-28 1:24 ` jassi brar
2008-08-28 9:41 ` Kasper Sandberg
2008-08-30 2:57 ` Bill Davidsen
-- strict thread matches above, loose matches on Subject: below --
2008-08-27 0:44 jassi brar
2008-08-27 2:27 jassi brar
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