Messages in this thread |  | | Date | Thu, 20 Sep 2001 14:25:55 +0200 | From | Jens Axboe <> | Subject | Re: encrypted swap on loop in 2.4.10-pre12? |
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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.
-- Jens Axboe
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