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Re: embedding filesystems in core image (Re: moving ata initialisation t


From: Yoshinori K. Okuji
Subject: Re: embedding filesystems in core image (Re: moving ata initialisation to a command)
Date: Sat, 22 Dec 2007 13:27:03 +0100
User-agent: KMail/1.9.4

On Saturday 22 December 2007 12:24, Robert Millan wrote:
> On Sat, Dec 22, 2007 at 12:28:26PM +0800, Bean wrote:
> > Yes, i think this concept is great, and i just think of an improvement
> > for the module.
>
> I don't like the idea of making memdisk filesystem-dependant.  But adding
> a more size-oriented filesystem to GRUB would be nice of course.
>
> > we can add support for a raw file system which store
> > files compactly,  so that very little space is wasted on file system
> > structure, for example, this is a possible implementation:
> >
> > OFFSET_TO_NEXT_ITEM
> > FILE1_NAME_LEN
> > FILE1_NAME
> > FILE1_DATA
> > OFFSET_TO_NEXT_ITEM
> > FILE2_NAME_LEN
> > FILE2_NAME
> > FILE2_DATA
>
> How about tar?  If we use an existing fs, we get the user tools for free.

How about using cpio, just like initrd? IIRC, cpio is easier to modify later, 
so we have a plenty of room to play with.

Okuji




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