linux-kernel - exfat filesystem

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Date:   Tue, 9 Jul 2019 08:48:34 -0700
From:   Matthew Wilcox <willy@...radead.org>
To:     Theodore Ts'o <tytso@....edu>,
        Valdis Klētnieks <valdis.kletnieks@...edu>,
        Alexander Viro <viro@...iv.linux.org.uk>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
        devel@...verdev.osuosl.org, kys@...rosoft.com
Cc:     Sasha Levin <sashal@...nel.org>
Subject: exfat filesystem

On Tue, Jul 09, 2019 at 11:30:39AM -0400, Theodore Ts'o wrote:
> On Tue, Jul 09, 2019 at 04:21:36AM -0700, Matthew Wilcox wrote:
> > How does
> > https://www.zdnet.com/article/microsoft-open-sources-its-entire-patent-portfolio/
> > change your personal opinion?
> 
> According to SFC's legal analysis, Microsoft joining the OIN doesn't
> mean that the eXFAT patents are covered, unless *Microsoft*
> contributes the code to the Linux usptream kernel.  That's because the
> OIN is governed by the Linux System Definition, and until MS
> contributes code which covered by the exFAT patents, it doesn't count.
> 
> For more details:
> 
> https://sfconservancy.org/blog/2018/oct/10/microsoft-oin-exfat/
> 
> (This is not legal advice, and I am not a lawyer.)

Interesting analysis.  It seems to me that the correct forms would be
observed if someone suitably senior at Microsoft accepted the work from
Valdis and submitted it with their sign-off.  KY, how about it?