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Date:   Tue, 4 Feb 2020 19:05:02 -0800
From:   Daniel Rosenberg <drosen@...gle.com>
To:     Gabriel Krisman Bertazi <krisman@...labora.com>
Cc:     "Theodore Ts'o" <tytso@....edu>, linux-ext4@...r.kernel.org,
        Jaegeuk Kim <jaegeuk@...nel.org>, Chao Yu <chao@...nel.org>,
        linux-f2fs-devel@...ts.sourceforge.net,
        Eric Biggers <ebiggers@...nel.org>,
        linux-fscrypt@...r.kernel.org,
        Alexander Viro <viro@...iv.linux.org.uk>,
        Richard Weinberger <richard@....at>,
        linux-mtd@...ts.infradead.org,
        Andreas Dilger <adilger.kernel@...ger.ca>,
        Jonathan Corbet <corbet@....net>, linux-doc@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
        kernel-team@...roid.com
Subject: Re: [PATCH v6 1/5] unicode: Add standard casefolded d_ops

On Sun, Feb 2, 2020 at 5:46 PM Gabriel Krisman Bertazi
<krisman@...labora.com> wrote:
>
>
> I don't think fs/unicode is the right place for these very specific
> filesystem functions, just because they happen to use unicode.  It is an
> encoding library, it doesn't care about dentries, nor should know how to
> handle them.  It exposes a simple api to manipulate and convert utf8 strings.
>
> I saw change was after the desire to not have these functions polluting
> the VFS hot path, but that has nothing to do with placing them here.
>
> Would libfs be better?  or a casefolding library in fs/casefold.c?
>
>
> --
> Gabriel Krisman Bertazi

The hash function needs access to utf8ncursor, but apart from that,
libfs would make sense. utf8ncursor is the only reason I have them
here. How do you feel about exposing utf8cursor or something similar?

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