From 05f7a7d6a7d23a877063857cf2df1dffec5a96dc Mon Sep 17 00:00:00 2001
From: Andreas Gruenbacher <agruen@linbit.com>
Date: Mon, 8 Aug 2011 23:36:56 +0200
Subject: idr: Add new function idr_is_empty()

Signed-off-by: Andreas Gruenbacher <agruen@linbit.com>
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
---
 lib/idr.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'lib/idr.c')

diff --git a/lib/idr.c b/lib/idr.c
index bfe4db4e165f..1ba4956bfbff 100644
--- a/lib/idr.c
+++ b/lib/idr.c
@@ -869,6 +869,16 @@ void idr_init(struct idr *idp)
 }
 EXPORT_SYMBOL(idr_init);
 
+static int idr_has_entry(int id, void *p, void *data)
+{
+	return 1;
+}
+
+bool idr_is_empty(struct idr *idp)
+{
+	return !idr_for_each(idp, idr_has_entry, NULL);
+}
+EXPORT_SYMBOL(idr_is_empty);
 
 /**
  * DOC: IDA description
-- 
cgit