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From: Paul E. McKenney on 17 Apr 2010 21:10
On Sat, Apr 17, 2010 at 07:13:53PM +0800, Lai Jiangshan wrote:
>
> When I was writing a module, I hit this compile error.
> include/linux/srcu.h:39: error: field 'mutex' has incomplete type
> include/linux/srcu.h:41: error: field 'dep_map' has incomplete type
>
> mutex.h is missed in srcu.h, but srcu.h uses struct mutex,
> so this patch adds this missing header file.
>
> __percpu is defined in compiler.h which is included in mutex.h already.
> But I also include percpu.h because it names "__percpu".

Good catch!!! Queued for 2.6.35.

Thanx, Paul

> Signed-off-by: Lai Jiangshan <laijs(a)cn.fujitsu.com>
> ---
> diff --git a/include/linux/srcu.h b/include/linux/srcu.h
> index 4d5ecb2..675a16f 100644
> --- a/include/linux/srcu.h
> +++ b/include/linux/srcu.h
> @@ -27,6 +27,9 @@
> #ifndef _LINUX_SRCU_H
> #define _LINUX_SRCU_H
>
> +#include <linux/percpu.h>
> +#include <linux/mutex.h>
> +
> struct srcu_struct_array {
> int c[2];
> };
>
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Prev: fs/partitions: use ADDPART_FLAG_RAID instead of magic number
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