auto-loading of commands

auto-loading of commands

[Yoshinori K. Okuji]

I have added support for automatic loading of commands right now. Next, I'm 
going to add automatic loading of filesystems.

Okuji

Re: auto-loading of commands

[Marco Gerards]

"Yoshinori K. Okuji" <okuji@enbug.org> writes:

> I have added support for automatic loading of commands right
> now. Next, I'm going to add automatic loading of filesystems.

Great!

Would it be possible to give filesystems priorities for loader and
detecting?

For example some filesystems like UFS2 probe a lot of blocks to see if
it has the superblock.  This should have a lower priority than
filesystems that only load block 0, 1 or 2 because those blocks are
cached anyway.

Thanks,
Marco

Re: auto-loading of commands

[Yoshinori K. Okuji]

On Saturday 12 March 2005 03:43 pm, Marco Gerards wrote:
> Would it be possible to give filesystems priorities for loader and
> detecting?
>
> For example some filesystems like UFS2 probe a lot of blocks to see if
> it has the superblock.  This should have a lower priority than
> filesystems that only load block 0, 1 or 2 because those blocks are
> cached anyway.

Possible, but I suspect that it has no good effect. When you load filesystem 
modules, GRUB will access several blocks even if caching is efficient. The 
overhead of trying to mount UFS2 is only 4 accesses. So my feeling is that 
this would be negligible.

Anyway, I will implement a simple one first. If it looks too slow, we can 
improve it later.

Okuji

Re: auto-loading of commands

[Yoshinori K. Okuji]

On Tuesday 15 March 2005 04:13, Yoshinori K. Okuji wrote:
> Anyway, I will implement a simple one first. If it looks too slow, we can
> improve it later.

I'm sorry that it took so long, but I have implemented the auto-loading of 
filesystem modules. Now GRUB 2 creates a file named fs.lst at compile time. 
You must copy this file to /boot/grub to enable this feature.

BTW, the ext2 module is completely broken for me. When I execute 'ls (fd1)' 
where fd1 is a floppy image with ext2, I simply gets unaligned pointer blah 
blah. Marco, is this module working for you? I will take a look at this 
problem.

Okuji

Re: auto-loading of commands

[Yoshinori K. Okuji]

On Sunday 03 July 2005 20:21, Yoshinori K. Okuji wrote:
> BTW, the ext2 module is completely broken for me. When I execute 'ls (fd1)'
> where fd1 is a floppy image with ext2, I simply gets unaligned pointer blah
> blah. Marco, is this module working for you? I will take a look at this
> problem.

Found the reason. The check for the regparm bug in aclocal.m4 was reverse. I 
corrected this, and all went fine.

Okuji