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SubjectRe: [ 052/153] idr: idr_for_each_entry() macro
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On Mon, 2013-03-04 at 03:37 +0000, Ben Hutchings wrote:
> 3.2-stable review patch. If anyone has any objections, please let me know.
>
> ------------------
>
> From: Philipp Reisner <philipp.reisner@linbit.com>
>
> commit 9749f30f1a387070e6e8351f35aeb829eacc3ab6 upstream.
>
> Inspired by the list_for_each_entry() macro
>
> Signed-off-by: Ben Hutchings <ben@decadent.org.uk>

Philipp, please can I have an explicit Signed-off-by from you? It was
missing in mainline though this change appeared in a long series of drbd
changes with proper Signed-off-by lines.

Ben.

> ---
> include/linux/idr.h | 11 +++++++++++
> 1 file changed, 11 insertions(+)
>
> diff --git a/include/linux/idr.h b/include/linux/idr.h
> index 255491c..52a9da2 100644
> --- a/include/linux/idr.h
> +++ b/include/linux/idr.h
> @@ -152,4 +152,15 @@ void ida_simple_remove(struct ida *ida, unsigned int id);
>
> void __init idr_init_cache(void);
>
> +/**
> + * idr_for_each_entry - iterate over an idr's elements of a given type
> + * @idp: idr handle
> + * @entry: the type * to use as cursor
> + * @id: id entry's key
> + */
> +#define idr_for_each_entry(idp, entry, id) \
> + for (id = 0, entry = (typeof(entry))idr_get_next((idp), &(id)); \
> + entry != NULL; \
> + ++id, entry = (typeof(entry))idr_get_next((idp), &(id)))
> +
> #endif /* __IDR_H__ */
>
>
> --
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--
Ben Hutchings
Always try to do things in chronological order;
it's less confusing that way.
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