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Date: Sun, 15 Apr 2012 17:55:08 +0100 (BST)
From: alban bernard <alban.bernard@yahoo.fr>
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Subject: Re: [dm-crypt] simple ideas addressing ssd TRIM security concern
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--- On Sun, 4/15/12, Sven Eschenberg <sven@whgl.uni-frankfurt.de> wrote:
> That would render TRIMing completely
> useless anyway and you could as well
> turn it off.

Not really if there are enough TRIMed blocks before block writes occur. There lies the purpose of a "smart" layer that will be responsible of TRIMing blocks in a certain amount of the total space: a kind of TRIMed block buffer that smooths writing zeroes and spreads them among the device the "crypto" way.