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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

  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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