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authorAndreas Gruenbacher <agruen@linbit.com>2011-08-08 21:36:56 (GMT)
committerPhilipp Reisner <philipp.reisner@linbit.com>2014-02-17 15:27:47 (GMT)
commit05f7a7d6a7d23a877063857cf2df1dffec5a96dc (patch)
tree680e8b69e8ca9c6e8e793b226eb5392241bbec8d /lib/idr.c
parent8e2294343017d6b9a3026538e58ffe0d8bda3843 (diff)
idr: Add new function idr_is_empty()
Signed-off-by: Andreas Gruenbacher <agruen@linbit.com> Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Diffstat (limited to 'lib/idr.c')
-rw-r--r--lib/idr.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/lib/idr.c b/lib/idr.c
index bfe4db4..1ba4956 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

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