linux-ext4 - Using parts of ext2_fs.h in BSD licensed code

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Message-ID: <e1e08eb01003150942s6350c04fn6b3d696fed8b7fc1@mail.gmail.com>
Date:	Mon, 15 Mar 2010 19:42:06 +0300
From:	Evgeniy Ivanov <lolkaantimat@...il.com>
To:	linux-ext4@...r.kernel.org
Subject: Using parts of ext2_fs.h in BSD licensed code

Hello,

I'm working on ext2 implementation for Minix3, where BSD license is
desirable (AFAIK folks from *BSD are interested too). Most things are
already implemented, while working I looked through linux and hurd
implementations, but didn't use anything from there (I just learned
some internals of ext2) and read http://nongnu.org/ext2-doc/ (thus my
implementation mostly based on ext2-doc).
Flags, constants, data structures are available in ext2-doc and
ext2_fs.h. As I understand GPL license I can't just take it from
ext2_fs.h and use in BSD licensed code, since it violates GPL (it was
confirmed on #gnu). Is it correct? From another hand code based on
ext2-doc can't be called derivative work. Is there any other header
similar to ext2_fs.h (or any documentation except
nongnu.org/ext2-doc/)?

Do you think I can ask copyright owners for permission to use
constants(data structures) from ext2_fs.h? Can somebody please send me
Remy Card's email (in sources it's incorrect)?

-- 
Evgeniy Ivanov
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