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

From: Arnd Bergmann
Date: Sat Jun 13 2009 - 19:05:03 EST


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 <><
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/