diff options
author | Philipp Reisner <philipp.reisner@linbit.com> | 2011-07-20 14:59:37 +0200 |
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committer | Ben Hutchings <ben@decadent.org.uk> | 2013-03-06 03:23:57 +0000 |
commit | 72df9eccdc41633b6eab5ef2489ff8acb8391c6c (patch) | |
tree | b5487301b280daab4a43e8bc76bba8f1ee0ea2e1 /include | |
parent | 36614259f65555c6194d8d5dcd554a1ded0458a5 (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>
Diffstat (limited to 'include')
-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__ */ |