Re: [PATCH 04/14] Pramfs: Mounting as root filesystem

[Arnd Bergmann]

On Saturday 13 June 2009, Marco wrote:
>  void __init mount_root(void)
>  {
> +#ifdef CONFIG_ROOT_PRAMFS
> +       if (MAJOR(ROOT_DEV) == MEM_MAJOR) {
> +               if (mount_pramfs_root())
> +                       return;
> +
> +               printk(KERN_ERR "VFS: Unable to mount root fs via PRAMFS, trying floppy.\n");
> +               ROOT_DEV = Root_FD0;
> +       }
> +#endif

AFAICT, this will prevent booting from /dev/ram0 with a regular file system,
because that also uses MAJOR(ROOT_DEV) == 1.

	Arnd <><
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