Re: [PATCH] make buffer head argument of buffer_##name "const"

[Andrew Morton]

Werner Almesberger <werner@xxxxxxxxxxxxxxx> wrote:
>
> --- linux-2.6.9/include/linux/buffer_head.h.orig	Tue Oct 26 02:57:54 2004
>  +++ linux-2.6.9/include/linux/buffer_head.h	Tue Oct 26 02:21:04 2004
>  @@ -76,7 +76,7 @@
>   {									\
>   	clear_bit(BH_##bit, &(bh)->b_state);				\
>   }									\
>  -static inline int buffer_##name(struct buffer_head *bh)			\
>  +static inline int buffer_##name(const struct buffer_head *bh)		\
>   {									\
>   	return test_bit(BH_##bit, &(bh)->b_state);			\
>   }

OK, but why?  Does it generate better code or something?
-
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