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authorPhilipp Reisner <philipp.reisner@linbit.com>2012-11-09 14:18:43 +0100
committerPhilipp Reisner <philipp.reisner@linbit.com>2012-11-09 14:20:23 +0100
commit986836503e49ccf7e84b813715d344964ec93566 (patch)
treeb3bea7428efde5b77096cef80e5b6bfee494cc12 /include/linux/idr.h
parentccae7868b0c5697508a541c531cf96b361d62c1c (diff)
parent328e0f125bf41f4f33f684db22015f92cb44fe56 (diff)
Merge branch 'drbd-8.4_ed6' into for-3.8-drivers-drbd-8.4_ed6
Diffstat (limited to 'include/linux/idr.h')
-rw-r--r--include/linux/idr.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/include/linux/idr.h b/include/linux/idr.h
index 87259a44c251..de7e190f1af4 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__ */