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Date:   Fri, 17 Jan 2020 00:12:46 -0800
From:   Christoph Hellwig <>
To:     Eric Biggers <>
        Barani Muthukumaran <>,
        Gaurav Kashyap <>,
        Theodore Ts'o <>,
        Jaegeuk Kim <>,
Subject: Re: [PATCH] fscrypt: reserve flags for hardware-wrapped keys feature

On Thu, Jan 16, 2020 at 11:20:08AM -0800, Eric Biggers wrote:
> From: Eric Biggers <>
> Reserve flags for the hardware-wrapped keys feature which is being
> worked on [1].  FSCRYPT_POLICY_FLAG_HW_WRAPPED_KEY will denote that the
> encryption policy needs a hardware-wrapped key to be unlocked.
> FSCRYPT_ADD_KEY_FLAG_HW_WRAPPED will denote that the key being added is
> a hardware-wrapped key.
> This reservation is tentative, and these codepoints may be reused if the
> feature is not upstreamed.

NAK.  While the feature itself sounds really useful we don't just
reserve format bits for code not upstream.

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