linux-kernel - Re: [Devel] [RFC][PATCH 1/4] checkpoint-restart: general infrastructure

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Message-ID: <48A94061.8040206@openvz.org>
Date:	Mon, 18 Aug 2008 13:26:57 +0400
From:	Pavel Emelyanov <xemul@...nvz.org>
To:	Dave Hansen <dave@...ux.vnet.ibm.com>,
	Oren Laadan <orenl@...columbia.edu>
CC:	containers@...ts.linux-foundation.org,
	Theodore Tso <tytso@....edu>, linux-kernel@...r.kernel.org,
	Arnd Bergmann <arnd@...db.de>
Subject: Re: [Devel] [RFC][PATCH 1/4] checkpoint-restart: general infrastructure

> diff -puN /dev/null ckpt/ckpt_hdr.h
> --- /dev/null	2007-04-11 11:48:27.000000000 -0700
> +++ linux-2.6.git-dave/ckpt/ckpt_hdr.h	2008-08-07 15:37:22.000000000 -0700
> @@ -0,0 +1,69 @@
> +/*
> + *  Generic container checkpoint-restart
> + *
> + *  Copyright (C) 2008 Oren Laadan
> + *
> + *  This file is subject to the terms and conditions of the GNU General Public
> + *  License.  See the file COPYING in the main directory of the Linux
> + *  distribution for more details.
> + */
> +
> +#include <linux/types.h>
> +
> +struct cr_hdr {
> +	__s16 type;
> +	__s16 len;
> +	__u32 id;
> +};

Sorry for probably being out-of-date again, but isn't it better to
put these headers in the include/linux and export them to the user
space?

Why? Because we'll need some image-dumping tool (let alone the
image converting one for compatibility purposes) and these tools
would require to know how the image looks like.

Thanks,
Pavel
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