| From | Greg Kroah-Hartman <> | Subject | [PATCH 3.4 009/134] idr: idr_for_each_entry() macro | Date | Wed, 9 Apr 2014 20:22:05 -0700 |
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3.4-stable review patch. If anyone has any objections, please let me know.
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From: Philipp Reisner <philipp.reisner@linbit.com>
commit 9749f30f1a387070e6e8351f35aeb829eacc3ab6 upstream.
Inspired by the list_for_each_entry() macro
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Ben Hutchings <ben@decadent.org.uk> Cc: Qiang Huang <h.huangqiang@huawei.com> Cc: Li Zefan <lizefan@huawei.com> Cc: Jianguo Wu <wujianguo@huawei.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- include/linux/idr.h | 11 +++++++++++ 1 file changed, 11 insertions(+)
--- a/include/linux/idr.h +++ b/include/linux/idr.h @@ -152,4 +152,15 @@ void ida_simple_remove(struct ida *ida, 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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