Re: config EXT4DEV_FS question

[Dave Kleikamp]

On Tue, 2006-10-17 at 01:08 +0200, Jan Engelhardt wrote:
> Hi,
> 
> 
> 
> something I have seen during `make oldconfig`, in fs/Kconfig we find:
> 
> config EXT4DEV_FS
>    ...
> 
>   To compile this file system support as a module, choose M here. The
>   module will be called ext4dev.  Be aware, however, that the
>   filesystem of your root partition (the one containing the directory
>   /) cannot be compiled as a module, and so this could be dangerous.
> 
> 
> Why can't this be compiled as a module when / is ext4? There are a lot
> of people out there having no filesystem code included in the kernel at
> all (includes at least SUSE users using the default vendor kernel), but
> instead have them as modules in their initramfss (what's the proper
> plural of initramfs?). What is it that makes ext4 different?

That same paragraph is in the help text of both ext2 and ext3.  It is a
bit outdated and should probably be cleaned up in all three.

Shaggy
-- 
David Kleikamp
IBM Linux Technology Center

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