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Re: [PATCH] Save/Load environment variable support


From: Robert Millan
Subject: Re: [PATCH] Save/Load environment variable support
Date: Sat, 14 Jun 2008 21:20:11 +0200
User-agent: Mutt/1.5.13 (2006-08-11)

On Sun, Jun 15, 2008 at 03:03:43AM +0800, Bean wrote:
> 
> Hi,
> 
> Yes, this is a standalone command, it's used to support persistent
> variable. For example, we can archive the result of savedefault using
> the following command:
> 
> load_env
> 
> menuentry aa {
>   save_env default
> }
> 
> load_env loads the environment variable from $prefix/grubenv, and
> save_env save selected variable to it. grubenv contain a environment
> block, so that we can manage it using grub-editenv, just like the
> environment block in the kernel.

Sounds interesting.. does the 8 kiB size assure us that we won't have any
trouble with filesystems when writing to it?

Also, which parts of this would be reused by findroot?

-- 
Robert Millan

<GPLv2> I know my rights; I want my phone call!
<DRM> What good is a phone call… if you are unable to speak?
(as seen on /.)




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