real-root-dev patch for vger

[Geert Uytterhoeven]

On Fri, 1 Jan 1999, Brad Midgley wrote:
> a type problem has rendered /proc/sys/kernel/real-root-dev useless in the
> vger tree. this problem has been around for quite a while. also attached. 
> 
> --- init/main.c.orig	Fri Jan  1 13:35:28 1999
> +++ init/main.c	Mon Nov 30 16:01:56 1998
> @@ -349,7 +349,7 @@
>  extern int rd_size;		/* Size of the ramdisk(s) */
>  extern int rd_image_start;	/* starting block # of image */
>  #ifdef CONFIG_BLK_DEV_INITRD
> -kdev_t real_root_dev;
> +int real_root_dev;
>  #endif
>  #endif
>  
> --- include/linux/fs.h.orig	Fri Jan  1 13:35:12 1999
> +++ include/linux/fs.h	Mon Nov 30 20:03:00 1998
> @@ -850,7 +850,7 @@
>  extern void mount_root(void);
>  
>  #ifdef CONFIG_BLK_DEV_INITRD
> -extern kdev_t real_root_dev;
> +extern int real_root_dev;
>  extern int change_root(kdev_t new_root_dev,const char *put_old);
>  #endif
>  
> 
> 

This is a known problem on big endian machines. Was fixed in the m68k tree a
few years ago :-) I don't know why Linus doesn't take the patch Andreas Schwab
sent him, also many years ago.

Greetings,

						Geert

--
Geert Uytterhoeven                     Geert.Uytterhoeven at cs.kuleuven.ac.be
Wavelets, Linux/{m68k~Amiga,PPC~CHRP}  http://www.cs.kuleuven.ac.be/~geert/
Department of Computer Science -- Katholieke Universiteit Leuven -- Belgium


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