From: Eric Biggers <ebiggers3@gmail.com>
To: Dai Xiang <xiangx.dai@intel.com>
Cc: Theodore Ts'o <tytso@mit.edu>, linux-ext4@vger.kernel.org
Subject: Re: How to enable CONFIG_EXT4_ENCRYPTION
Date: Mon, 7 Aug 2017 22:50:13 -0700 [thread overview]
Message-ID: <20170808055013.GA593@zzz.localdomain> (raw)
In-Reply-To: <20170808012738.6rlknzovmyhjn4rg@linux>
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?
Eric
next prev parent reply other threads:[~2017-08-08 5:50 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-08-07 3:25 How to enable CONFIG_EXT4_ENCRYPTION Dai Xiang
2017-08-07 9:51 ` Dai Xiang
2017-08-07 13:49 ` Theodore Ts'o
2017-08-07 19:31 ` Eric Biggers
2017-08-08 1:27 ` Dai Xiang
2017-08-08 5:50 ` Eric Biggers [this message]
2017-08-08 6:03 ` Dai Xiang
2017-08-08 13:19 ` Theodore Ts'o
2017-08-08 3:22 ` Dai Xiang
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