linux-kernel - Re: [PATCH] md: dm-crypt: Add Inline Encryption support for dmcrypt

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Date:   Wed, 6 Jun 2018 06:15:15 -0700
From:   Christoph Hellwig <hch@...radead.org>
To:     Ladvine D Almeida <Ladvine.DAlmeida@...opsys.com>
Cc:     Christoph Hellwig <hch@...radead.org>,
        Milan Broz <gmazyland@...il.com>,
        Alasdair Kergon <agk@...hat.com>,
        Mike Snitzer <snitzer@...hat.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Manjunath M Bettegowda <Manjunath.MB@...opsys.com>,
        Prabu Thangamuthu <Prabu.T@...opsys.com>,
        Tejas Joglekar <Tejas.Joglekar@...opsys.com>,
        device-mapper development <dm-devel@...hat.com>,
        Joao Pinto <Joao.Pinto@...opsys.com>,
        "tytso@....edu" <tytso@....edu>,
        "jaegeuk@...nel.org" <jaegeuk@...nel.org>,
        "linux-crypto@...r.kernel.org" <linux-crypto@...r.kernel.org>,
        "linux-block@...r.kernel.org" <linux-block@...r.kernel.org>
Subject: Re: [PATCH] md: dm-crypt: Add Inline Encryption support for dmcrypt

On Wed, Jun 06, 2018 at 10:04:14AM +0000, Ladvine D Almeida wrote:
> The idea is to make use of the existing utilities like dmsetup to configure the keys, mapping etc.

So fix the utilities to support your encryption instead of implementing
kernel-level shim code.

> TCG Opal/Opalite is FDE solution. right?

Doesn't have to the full disk, although that is the typical use case.