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| author | Philipp Reisner <philipp.reisner@linbit.com> | 2011-07-20 14:59:37 +0200 |
|---|---|---|
| committer | Philipp Reisner <philipp.reisner@linbit.com> | 2011-08-29 11:27:01 +0200 |
| commit | 9749f30f1a387070e6e8351f35aeb829eacc3ab6 (patch) | |
| tree | 3bd95dd1e5eade6eb59ec84ee7ca79d3a4da12ed /include/linux/idr.h | |
| parent | 6618bf16384463c0b97a5f5f1f0ce5276f5865fd (diff) | |
| download | lwn-9749f30f1a387070e6e8351f35aeb829eacc3ab6.tar.gz lwn-9749f30f1a387070e6e8351f35aeb829eacc3ab6.zip | |
idr: idr_for_each_entry() macro
Inspired by the list_for_each_entry() macro
Diffstat (limited to 'include/linux/idr.h')
| -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__ */ |