From: Liam R. Howlett <Liam.Howlett@Oracle.com>
Date: Tue, 29 Sep 2020 13:35:46 +0000 (-0400)
Subject: maple_tree: Add missing mas_walk() which is part of the interface
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=a3f93f45e2b15d247a19459f97ce94bd10b3716d;p=users%2Fjedix%2Flinux-maple.git

maple_tree: Add missing mas_walk() which is part of the interface

Signed-off-by: Liam R. Howlett <Liam.Howlett@Oracle.com>
---

diff --git a/lib/maple_tree.c b/lib/maple_tree.c
index f31c7399dd25..88a783be04d7 100644
--- a/lib/maple_tree.c
+++ b/lib/maple_tree.c
@@ -3720,6 +3720,7 @@ static inline bool _mas_walk(struct ma_state *mas, unsigned long *range_min,
 	return __mas_walk(mas, range_min, range_max);
 }
 
+
 static inline int mas_dead_node(struct ma_state *mas, unsigned long index)
 {
 	unsigned long range_max, range_min;
@@ -3736,6 +3737,19 @@ static inline int mas_dead_node(struct ma_state *mas, unsigned long index)
 	return 1;
 }
 
+void *mas_walk(struct ma_state *mas)
+{
+	unsigned long range_min, range_max;
+	unsigned long index = mas->index;
+
+	_mas_walk(mas, &range_min, &range_max);
+retry:
+	if (mas_dead_node(mas, index))
+		goto retry;
+
+	return mas_get_slot(mas, mas_offset(mas));
+}
+
 static inline bool mas_search_cont(struct ma_state *mas, unsigned long index,
 		unsigned long max, void *entry)
 {