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Date:   Wed, 20 Jul 2022 19:40:42 -0700
From:   Eric Biggers <ebiggers@kernel.org>
To:     Theodore Ts'o <tytso@mit.edu>
Cc:     fstests@vger.kernel.org
Subject: Re: [PATCH 2/4] generic/556: add a check to make sure ext4 supports
 encrypted casefolding
Message-ID: <Yti8qpzy5MRKTShk@sol.localdomain>
References: <20220720164356.4078789-1-tytso@mit.edu>
 <20220720164356.4078789-3-tytso@mit.edu>
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Hi Ted,

On Wed, Jul 20, 2022 at 12:43:54PM -0400, Theodore Ts'o wrote:
> Some older kernels support ext4 file systems with encryption enabled,
> and with casefold enabled, but not file systems have both encryption
> *and* casefolding enabled.  On those kernels, generic/556 will fail.
> Fortunately, we can test if ext4 supports encrypted casefold via the
> presence of /sys/fs/ext4/features/encrypted_casefold.
> 
> Signed-off-by: Theodore Ts'o <tytso@mit.edu>

Please see my previous comments on this same patch:

    * https://lore.kernel.org/fstests/YNDOdrW0cEOhC9rZ@gmail.com
    * https://lore.kernel.org/fstests/YmGcDdLRlfSwUxmZ@sol.localdomain

- Eric