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Date:   Fri, 24 Jan 2020 10:03:23 -0800
From:   Jaegeuk Kim <jaegeuk@kernel.org>
To:     Linus Torvalds <torvalds@linux-foundation.org>
Cc:     Eric Biggers <ebiggers@kernel.org>,
        Al Viro <viro@zeniv.linux.org.uk>,
        OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>,
        Pali =?iso-8859-1?Q?Roh=E1r?= <pali.rohar@gmail.com>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        linux-fsdevel <linux-fsdevel@vger.kernel.org>,
        "Theodore Y. Ts'o" <tytso@mit.edu>,
        Namjae Jeon <linkinjeon@gmail.com>,
        Gabriel Krisman Bertazi <krisman@collabora.com>
Subject: Re: oopsably broken case-insensitive support in ext4 and f2fs (Re:
 vfat: Broken case-insensitive support for UTF-8)
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On 01/24, Linus Torvalds wrote:
> On Thu, Jan 23, 2020 at 8:29 PM Eric Biggers <ebiggers@kernel.org> wrote:
> >
> > Thanks Al.  I sent out fixes for this:
> 
> How did that f2fs_d_compare() function ever work? It was doing the
> memcmp on completely the wrong thing.

Urg.. my bad. I didn't do enough stress test on casefolding case which
is only activated given "mkfs -C utf8:strict". And Android hasn't enabled
it yet.

> 
>               Linus