linux-kernel - Re: [PATCH v2 2/7] sysfs.h: add ATTRIBUTE

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Date:	Thu, 11 Jul 2013 14:03:34 +0200
From:	Oliver Schinagl <oliver+list@...inagl.nl>
To:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
CC:	linux-kernel@...r.kernel.org, linux@...ck-us.net,
	khali@...ux-fr.org
Subject: Re: [PATCH v2 2/7] sysfs.h: add ATTRIBUTE_GROUPS() macro

On 11-07-13 02:36, Greg Kroah-Hartman wrote:
> To make it easier for driver subsystems to work with attribute groups,
> create the ATTRIBUTE_GROUPS macro to remove some of the repetitive
> typing for the most common use for attribute groups.
Forgot to add this trivial little cleanup patch with my previous mail, I 
know you don't like patch dependancies, but this one depends on the 
previous one as that included stat.h, if you decide my previous patch 
isn't good, i can redo this one with stat.h included (and move atomic.h 
to the top to keep includes alphabetically ordered).

Oliver
>
> Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
> ---
>   include/linux/sysfs.h | 9 +++++++++
>   1 file changed, 9 insertions(+)
>
> diff --git a/include/linux/sysfs.h b/include/linux/sysfs.h
> index 9cd20c8..f62ff01 100644
> --- a/include/linux/sysfs.h
> +++ b/include/linux/sysfs.h
> @@ -94,6 +94,15 @@ struct attribute_group {
>   #define __ATTR_IGNORE_LOCKDEP	__ATTR
>   #endif
>
> +#define ATTRIBUTE_GROUPS(name)					\
> +static const struct attribute_group name##_group = {		\
> +	.attrs = name##_attrs,					\
> +};								\
> +static const struct attribute_group *name##_groups[] = {	\
> +	&name##_group,						\
> +	NULL,							\
> +}
> +
>   #define attr_name(_attr) (_attr).attr.name
>
>   struct file;
>


View attachment "0001-sysfs-use-file-mode-defines-from-stat.h.patch" of type "text/x-patch" (1495 bytes)