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Date:   Wed, 8 Feb 2023 07:38:25 -0800
From:   Linus Torvalds <>
To:     Eric Biggers <>
Subject: Re: [PATCH 0/5] Add the test_dummy_encryption key on-demand

On Tue, Feb 7, 2023 at 10:21 PM Eric Biggers <> wrote:
> I was going back and forth between this solution and instead having ext4
> and f2fs call fscrypt_destroy_keyring() on ->fill_super failure.  (Or
> using Linus's suggestion of adding the test dummy key as the very last
> step of ->fill_super.)  It does seem ideal to add the key at mount time,
> but I ended up going with this solution instead because it reduces the
> number of things the individual filesystems have to handle.

Well, the diffstat certainly looks nice:

>  8 files changed, 34 insertions(+), 51 deletions(-)

with that

>  fs/super.c                  |  1 -

removing the offending line that made Dan's static detection tool so
unhappy, so this all looks lovely to me.


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