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From:   Daniel Rosenberg <drosen@google.com>
Date:   Tue, 7 Jul 2020 03:44:06 -0700
Message-ID: <CA+PiJmQN6Mkqq3aA+v6032QZehHs2sTqthzM-NqZN6k3jGBJvg@mail.gmail.com>
Subject: Re: [PATCH v9 4/4] ext4: Use generic casefolding support
To:     Gabriel Krisman Bertazi <krisman@collabora.com>
Cc:     "Theodore Ts'o" <tytso@mit.edu>, linux-ext4@vger.kernel.org,
        Jaegeuk Kim <jaegeuk@kernel.org>, Chao Yu <chao@kernel.org>,
        linux-f2fs-devel@lists.sourceforge.net,
        Eric Biggers <ebiggers@kernel.org>,
        linux-fscrypt@vger.kernel.org,
        Alexander Viro <viro@zeniv.linux.org.uk>,
        Richard Weinberger <richard@nod.at>,
        linux-mtd@lists.infradead.org,
        Andreas Dilger <adilger.kernel@dilger.ca>,
        Jonathan Corbet <corbet@lwn.net>, linux-doc@vger.kernel.org,
        linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org,
        kernel-team@android.com
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On Tue, Jun 23, 2020 at 10:43 PM Gabriel Krisman Bertazi
<krisman@collabora.com> wrote:
>
> Daniel Rosenberg <drosen@google.com> writes:
>
> > -
> >  const struct dentry_operations ext4_dentry_ops = {
> > -     .d_hash = ext4_d_hash,
> > -     .d_compare = ext4_d_compare,
> > +     .d_hash = generic_ci_d_hash,
> > +     .d_compare = generic_ci_d_compare,
> >  };
> >  #endif
>
> Can you make the structure generic since it is the same for f2fs and
> ext4, which let you drop the code guards?  Unless that becomes a problem for
> d_revalidate with fscrypt, it is fine like this.
>
> --
> Gabriel Krisman Bertazi

I unify them in a later patch, since I end up having to deal with
fscrypt's d_revalidate. With that patch I'd end up undoing the export
I'd add for this, so I'll skip that for the moment.

-Daniel