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Date:	Sat, 2 May 2015 09:40:29 -0400
From:	Theodore Ts'o <>
To:	Herbert Xu <>
Cc:	Andreas Dilger <>,, Michael Halcrow <>
Subject: Re: ext4 crypto: Do not select from EXT4_FS_ENCRYPTION

On Fri, May 01, 2015 at 08:18:55AM +0800, Herbert Xu wrote:
> This patch adds a tristate EXT4_ENCRYPTION to do the selections
> for EXT4_FS_ENCRYPTION because selecting from a bool causes all
> the selected options to be built-in, even if EXT4 itself is a
> module.

Thanks for pointing out the problem!

This certainly fixes the problem, but it's a bit confusing; if you
answer "y" instead of "m" to the question, it will force the crypto
mechanisms to be built-in, and that's not necessarily obvious.  That
being said, I suspect the people who will care the most about this
will be people building the distro kernels, and it will hopefully be
obvious to them.

In any case, I can't find a better way of doing this, so thanks,
applied.  I'll get this  pushed to Linus ASAP.

	       	   	 	   - Ted
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