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DateTue, 4 Jul 2006 08:17:54 +0200
FromHeiko Carstens <>
SubjectRe: [Patch] statistics infrastructure - update 9
> +#else /* !CONFIG_STATISTICS */
> +/* These NOP functions unburden clients from handling !CONFIG_STATISTICS. */
> +
> +static inline int statistic_create(struct statistic_interface *interface,
> +				   const char *name)
> +{
> +	return 0;
> +}
> +
> +static inline int statistic_remove(struct statistic_interface *interface)
> +{
> +	return 0;
> +}
> +
> +static inline void statistic_set(struct statistic *stat, int i,
> +				 s64 value, u64 total)
> +{
> +}
> +
> +static inline void _statistic_add(struct statistic *stat, int i,
> +				  s64 value, u64 incr)
> +{
> +}
> +
> +static inline void statistic_add(struct statistic *stat, int i,
> +				 s64 value, u64 incr)
> +{
> +}
> +
> +static inline void _statistic_add_as(int type, struct statistic *stat, int i,
> +				     s64 value, u64 incr)
> +{
> +}
> +
> +static inline void statistic_add_as(int type, struct statistic *stat, int i,
> +				    s64 value, u64 incr)
> +{
> +}
> +
> +#endif /* CONFIG_STATISTICS */

Why not have something like:

#define statistic_create(interface, name) 	({ 0; })
#define statistic_remove(interface)		({ 0; })
#define statistic_set(stat, i, value, total)	do { } while (0)
...
That would be much shorter and easier to read. But maybe it's just me :)
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