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Date: Thu, 7 Jun 2018 09:59:01 -0700
From: Matthew Wilcox <willy@infradead.org>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Jan Kara <jack@suse.cz>,
        linux-fsdevel <linux-fsdevel@vger.kernel.org>
Subject: Re: [GIT PULL] UDF support for UTF-16
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On Thu, Jun 07, 2018 at 09:50:00AM -0700, Linus Torvalds wrote:
> On Thu, Jun 7, 2018 at 8:31 AM Jan Kara <jack@suse.cz> wrote:
> >
> > to get UDF support for UTF-16 characters in file names.
> 
> Who uses UTF-16 in this day and age?
> 
> It's a broken format.
> 
> It's not mentioned in the commit logs *why* this is done.

Here's some background:

https://www.spinics.net/lists/linux-fsdevel/msg124310.html

Yeah, it's a totally broken format, but we shouldn't be thinking that
filenames which come to us in UTF16 are actually in UCS2.