From: Liam R. Howlett <Liam.Howlett@Oracle.com>
Date: Wed, 24 Jun 2020 00:10:56 +0000 (-0400)
Subject: wip: Add height reset to destroy and debug output.
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=b7a5ee091e63377dea4d0429bd3b1ab42acde770;p=users%2Fjedix%2Flinux-maple.git

wip: Add height reset to destroy and debug output.

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

diff --git a/lib/maple_tree.c b/lib/maple_tree.c
index 7e79a6aa395e..0081213c1a4f 100644
--- a/lib/maple_tree.c
+++ b/lib/maple_tree.c
@@ -4610,6 +4610,7 @@ void mtree_destroy(struct maple_tree *mt)
 		mte_destroy_walk(destroyed, mt);
 
 	mt->ma_flags = 0;
+	mt->ma_height = 0;
 	rcu_assign_pointer(mt->ma_root, NULL);
 	mtree_unlock(mt);
 }
@@ -4798,8 +4799,8 @@ void mt_dump(const struct maple_tree *mt)
 {
 	void *entry = mt->ma_root;
 
-	pr_info("maple_tree("MA_PTR") flags %X, root "MA_PTR"\n",
-		 mt, mt->ma_flags, entry);
+	pr_info("maple_tree("MA_PTR") flags %X, height %u root "MA_PTR"\n",
+		 mt, mt->ma_flags, mt->ma_height, entry);
 	if (!xa_is_node(entry))
 		mt_dump_entry(entry, 0, 0, 0);
 	else if (entry)