From: Andrew Morton <akpm@osdl.org>
To: Werner Almesberger <werner@almesberger.net>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH] make buffer head argument of buffer_##name "const"
Date: Tue, 26 Oct 2004 00:23:42 -0700 [thread overview]
Message-ID: <20041026002342.5fb15ab3.akpm@osdl.org> (raw)
In-Reply-To: <20041026033241.B7983@almesberger.net>
Werner Almesberger <werner@almesberger.net> 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?
next prev parent reply other threads:[~2004-10-26 7:25 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-10-26 6:32 [PATCH] make buffer head argument of buffer_##name "const" Werner Almesberger
2004-10-26 7:23 ` Andrew Morton [this message]
2004-10-26 7:38 ` Werner Almesberger
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