linux-kernel - Re: oopsably broken case-insensitive support in ext4 and f2fs (Re: vfat: Broken case-insensitive support for UTF-8)

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Message-ID: <CAHk-=wgwFMW09uz0HLUuQFMpi_UYtKAUvcCJ-oxyVqybry1=Ng@mail.gmail.com>
Date:   Fri, 24 Jan 2020 09:47:53 -0800
From:   Linus Torvalds <torvalds@...ux-foundation.org>
To:     Eric Biggers <ebiggers@...nel.org>
Cc:     Al Viro <viro@...iv.linux.org.uk>,
        OGAWA Hirofumi <hirofumi@...l.parknet.co.jp>,
        Pali Rohár <pali.rohar@...il.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-fsdevel <linux-fsdevel@...r.kernel.org>,
        "Theodore Y. Ts'o" <tytso@....edu>,
        Namjae Jeon <linkinjeon@...il.com>,
        Gabriel Krisman Bertazi <krisman@...labora.com>
Subject: Re: oopsably broken case-insensitive support in ext4 and f2fs (Re:
 vfat: Broken case-insensitive support for UTF-8)

On Thu, Jan 23, 2020 at 8:29 PM Eric Biggers <ebiggers@...nel.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.

              Linus