Am 12.03.2013 um 06:01 hat Wenchao Xia geschrieben:
> 于 2013-3-12 1:49, Eric Blake 写道:
> >On 03/11/2013 05:23 AM, Wenchao Xia wrote:
> >>   This patch adds block/snapshot.c and then moves the function
> >>there. It also fixes small code style errors reported by check script.
> >>
> >>Signed-off-by: Wenchao Xia <xiaw...@linux.vnet.ibm.com>
> >>---
> >>  block/Makefile.objs      |    1 +
> >>  block/snapshot.c         |   37 +++++++++++++++++++++++++++++++++++++
> >>  include/block/snapshot.h |   26 ++++++++++++++++++++++++++
> >>  savevm.c                 |   23 +----------------------
> >>  4 files changed, 65 insertions(+), 22 deletions(-)
> >>  create mode 100644 block/snapshot.c
> >>  create mode 100644 include/block/snapshot.h
> >
> >>+++ b/block/snapshot.c
> >>@@ -0,0 +1,37 @@
> >>+/*
> >>+ * Snapshot related functions.
> >>+ *
> >>+ * Copyright IBM, Corp. 2013
> >
> >Technically, since you are moving code from savevm.c, you should also
> >preserve the copyright on that moved code:
> >
> >  * Copyright (c) 2003-2008 Fabrice Bellard
> >
> >>+ *
> >>+ * Authors:
> >>+ *  Wenchao Xia   <xiaw...@linux.vnet.ibm.com>
> >>+ *
> >>+ * This work is licensed under the terms of the GNU LGPL, version 2 or 
> >>later.
> >
> >Furthermore, the code you are moving was under BSD license, so by moving
> >the code, you have changed its license to something more restrictive.
> >Personally, I like LGPL better than BSD, but as I'm not the copyright
> >holder of the original code, and neither are you, I'm not sure that
> >either of us is qualified to make that change.  Therefore, I'm unwilling
> >to add my Reviewed-by, even though the code motion itself is correct,
> >without a maintainer chiming in on whether your licensing is appropriate
> >or needs an adjustment.
> >
>   Oops, Since it belongs to block layer I hope it can be LGPL2. Do you
> know how to contact Fabrice Bellard to ask for a change?

Fabrice is not the only copyright owner of this file.

Just copy the license as it is, changing licenses is always a nasty
thing and as I'm not a lawyer I prefer to stay on the safe side. The MIT
license works well enough, there's no real reason to change it.

Kevin

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