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Date: Tue, 8 Aug 2017 14:03:20 +0800
From: Dai Xiang <xiangx.dai@...el.com>
To: Eric Biggers <ebiggers3@...il.com>
Cc: Theodore Ts'o <tytso@....edu>, linux-ext4@...r.kernel.org
Subject: Re: How to enable CONFIG_EXT4_ENCRYPTION
On Mon, Aug 07, 2017 at 10:50:13PM -0700, Eric Biggers wrote:
> On Tue, Aug 08, 2017 at 09:27:38AM +0800, Dai Xiang wrote:
> > >
> > > Actually, this is one of the tests in the "encrypt" group, which format the
> > > scratch device with "-O encrypt". So I believe the printed message is correct.
> > > Are you 100% sure that CONFIG_EXT4_ENCRYPTION is enabled in your kernel config
> > > and that you are running the correct kernel?
> >
> > I use v4.13-rc3 kernerl, and i find this info refer to https://wiki.archlinux.org/index.php/ext4#Using_file-based_encryption:
> >
> > Ext4 forbids encrypting the root (/) directory and will produce an error on kernel 4.13 and later
> >
> > Does it impact?
> >
>
> No, the tests do not try to encrypt the root directory. Can you please double
> check that the kernel you're testing actually has CONFIG_EXT4_ENCRYPTION
> enabled?
oh, I see, i miss them, but i have a new question:
I have set CONFIG_FS_ENCRYPTION and CONFIG_EXT4_ENCRYPTION both y, but
after build the config do not include them, and what make me confused
is that there is no failure log about them.
Did i miss some dependence kconfigs or conflict kconfigs?
>
> Eric
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