From: Liam R. Howlett <Liam.Howlett@oracle.com>
Date: Tue, 26 Aug 2025 17:02:53 +0000 (-0400)
Subject: debug and warn on
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=659bb57a84803b7f7fec9c61c373954d4f17accf;p=users%2Fjedix%2Flinux-maple.git

debug and warn on

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

diff --git a/lib/maple_tree.c b/lib/maple_tree.c
index 855276838015..a32ed19b0978 100644
--- a/lib/maple_tree.c
+++ b/lib/maple_tree.c
@@ -1740,6 +1740,8 @@ static inline void mas_adopt_children(struct ma_state *mas,
 	unsigned char offset;
 
 	offset = ma_data_end(node, type, pivots, mas->max);
+	WARN_ON_ONCE(offset == 0);
+	printk("Adopt %p 0 - %u\n", node, offset);
 	do {
 		child = mas_slot_locked(mas, slots, offset);
 		mas_set_parent(mas, child, parent, offset);
@@ -1761,13 +1763,10 @@ static inline void mas_put_in_tree(struct ma_state *mas,
 	void __rcu **slots;
 
 	if (mte_is_root(mas->node)) {
-		printk("new root in tree\n");
 		mas_mn(mas)->parent = ma_parent_ptr(mas_tree_parent(mas));
 		rcu_assign_pointer(mas->tree->ma_root, mte_mk_root(mas->node));
 		mt_set_height(mas->tree, new_height);
 	} else {
-
-		printk("Replace node in tree\n");
 		offset = mte_parent_slot(mas->node);
 		slots = ma_slots(mte_parent(mas->node),
 				 mas_parent_type(mas, mas->node));
@@ -3331,7 +3330,6 @@ static bool spanning_ascend(struct maple_copy *cp, struct ma_state *mas,
 		return false;
 	}
 
-	printk("\t\t\t\td_count %u\n", cp->d_count);
 	printk("more nodes.. %u\n", cp->end);
 	wr_mas_ascend(l_wr_mas);
 	wr_mas_ascend(r_wr_mas);