From: "steve j. kondik" <shade@chemlab.org>
To: Jens Axboe <axboe@suse.de>
Cc: Jari Ruusu <jari.ruusu@pp.inet.fi>, linux-kernel@vger.kernel.org
Subject: Re: encrypted swap on loop in 2.4.10-pre12?
Date: 20 Sep 2001 09:17:28 -0400 [thread overview]
Message-ID: <1000991848.569.1.camel@discord> (raw)
In-Reply-To: <20010920142555.B588@suse.de>
In-Reply-To: <1000912739.17522.2.camel@discord> <3BA907F6.3586811C@pp.inet.fi> <20010920081353.H588@suse.de> <3BA9DC30.DA46A008@pp.inet.fi> <20010920142555.B588@suse.de>
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loop-aes does not work to encrypt swap using 2.4.10-pre12. the same
panic results during mkswap.
On Thu, 2001-09-20 at 08:25, Jens Axboe wrote:
> On Thu, Sep 20 2001, Jari Ruusu wrote:
> > Jens Axboe wrote:
> > > On Thu, Sep 20 2001, Jari Ruusu wrote:
> > > > Cryptoapi can't be used to encrypt swap. It has nasties like sleeping in
> > > > make_request_fn() and potential memory allocation deadlock.
> > >
> > > sleeping in make_request_fn is not a nasty in itself, btw. in fact loop
> > > just needs an emergency page pool for swap to be perfectly safe.
> >
> > loop-AES provides emergency page pool for device backed loop. Take a look.
>
> Then sleeping in make_request_fn is not a nasty at all. In fact the
> kernel does it all the time anyways.
>
--
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next prev parent reply other threads:[~2001-09-20 13:17 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-09-19 15:18 encrypted swap on loop in 2.4.10-pre12? steve j. kondik
2001-09-19 15:37 ` Jens Axboe
2001-09-19 17:38 ` steve j. kondik
2001-09-19 21:02 ` Jari Ruusu
2001-09-20 6:13 ` Jens Axboe
2001-09-20 12:08 ` Jari Ruusu
2001-09-20 12:25 ` Jens Axboe
2001-09-20 13:17 ` steve j. kondik [this message]
2001-09-20 17:04 ` Jari Ruusu
2001-09-20 17:20 ` steve j. kondik
2001-09-20 17:55 ` Jari Ruusu
2001-09-20 18:59 ` Michael H. Warfield
2001-09-21 0:36 ` steve j. kondik
2001-09-21 9:15 ` Jari Ruusu
2001-09-21 14:52 ` steve j. kondik
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