diff options
| author | Philipp Reisner <philipp.reisner@linbit.com> | 2011-07-20 14:59:37 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-04-14 06:44:16 -0700 |
| commit | ee164499c5f538f1cd8e5cf31e157aff32ea0546 (patch) | |
| tree | 0f3275763350c841a0cc65cf284acd671fb06ae5 | |
| parent | 5a27d6987454a169a4f3362e1a14c77ad1aca193 (diff) | |
idr: idr_for_each_entry() macro
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>
| -rw-r--r-- | include/linux/idr.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/include/linux/idr.h b/include/linux/idr.h index 255491cf522..52a9da29529 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__ */ |