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From: "Luiz Fernando N. Capitulino" <lcapitulino@prefeitura.sp.gov.br>
To: Lei Yang <leiyang@nec-labs.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Compression filter for Loopback device
Date: Thu, 22 Jul 2004 16:44:20 -0300	[thread overview]
Message-ID: <20040722194420.GG1311@lorien.prodam> (raw)
In-Reply-To: <951A499AA688EF47A898B45F25BD8EE80126D4D6@mailer.nec-labs.com>


 Hi Lei,

Em Thu, Jul 22, 2004 at 03:27:17PM -0400, Lei Yang escreveu:

| Is there anything like 'losetup' that allows choosing encryption
| algorithm for a loopback device that can be used on compression
| algorithms? Or in other words, when the data passes through loopback
| device to a real storage device, it can be filtered and the filter is
| compression instead of encryption; when kernel ask for data in a storage
| device that is mounted to a loopback device with compression, it will be
| filtered again -- decompressed.
| 
| If there is not a ready-to-use method for this, is there any way I can
| implement the idea?
| 
| TIA! Really appreciate any comments.

 maybe you can a try a mix: cloop + cryptloop (or something like
that), but it will be kludge.

-- 
Luiz Fernando N. Capitulino
<http://www.telecentros.sp.gov.br>

  reply	other threads:[~2004-07-22 19:55 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-07-22 19:27 Compression filter for Loopback device Lei Yang
2004-07-22 19:44 ` Luiz Fernando N. Capitulino [this message]
2004-07-23 11:16 ` Paulo Marques
  -- strict thread matches above, loose matches on Subject: below --
2004-07-23 18:20 Phillip Lougher
2004-07-26 12:38 ` Paulo Marques
2004-07-26 12:48 Lei Yang
2004-08-27 10:34 ` BAIN
2004-08-27 10:38   ` BAIN
     [not found]     ` <412F3210.3030506@nec-labs.com>
2004-08-28  7:57       ` BAIN

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