diff options
| author | Philipp Reisner <philipp.reisner@linbit.com> | 2011-07-20 14:59:37 +0200 |
|---|---|---|
| committer | Luis Henriques <luis.henriques@canonical.com> | 2013-02-28 20:43:14 +0000 |
| commit | 6bc9f04041d16596c3b14144dabe33be4631985e (patch) | |
| tree | cefc08140a7f121ec11273decd460fa42396d394 /include/linux | |
| parent | 9a5e82e276fcb679c3c3dbce6ce385fd27bf59af (diff) | |
idr: idr_for_each_entry() macro
commit 9749f30f1a387070e6e8351f35aeb829eacc3ab6 upstream.
Inspired by the list_for_each_entry() macro
Signed-off-by: Luis Henriques <luis.henriques@canonical.com>
Diffstat (limited to 'include/linux')
| -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 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__ */ |