From 72df9eccdc41633b6eab5ef2489ff8acb8391c6c Mon Sep 17 00:00:00 2001 From: Philipp Reisner Date: Wed, 20 Jul 2011 14:59:37 +0200 Subject: idr: idr_for_each_entry() macro commit 9749f30f1a387070e6e8351f35aeb829eacc3ab6 upstream. Inspired by the list_for_each_entry() macro Signed-off-by: Philipp Reisner Signed-off-by: Ben Hutchings --- include/linux/idr.h | 11 +++++++++++ 1 file changed, 11 insertions(+) (limited to 'include') diff --git a/include/linux/idr.h b/include/linux/idr.h index 255491cf522e..52a9da295296 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__ */ -- cgit v1.2.3