From: Evgeniy Ivanov Subject: Re: Using parts of ext2_fs.h in BSD licensed code Date: Mon, 15 Mar 2010 20:26:16 +0300 Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 To: linux-ext4@vger.kernel.org Return-path: Received: from mail-ew0-f216.google.com ([209.85.219.216]:59816 "EHLO mail-ew0-f216.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S965510Ab0COR0T (ORCPT ); Mon, 15 Mar 2010 13:26:19 -0400 Received: by ewy8 with SMTP id 8so1195062ewy.28 for ; Mon, 15 Mar 2010 10:26:17 -0700 (PDT) In-Reply-To: Sender: linux-ext4-owner@vger.kernel.org List-ID: Just found, that recently FreeBSD got this: http://www.freebsd.org/cgi/cvsweb.cgi/src/sys/fs/ext2fs/ext2fs.h It looks like I can easily include it to the BSD-licensed project and no GPL violation. But I dunno how did they wrote ext2fs.h, since it still must be based on ext2_fs.h On Mon, Mar 15, 2010 at 7:42 PM, Evgeniy Ivanov wrote: > 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 > -- Evgeniy Ivanov