From: Xuehan Xu <xuxuehan@qianxin.com>
Date: Wed, 28 Feb 2024 08:00:23 +0000 (+0800)
Subject: crimson/os/seastore/lba_manager: extents pass to LBALeafNode::update()
X-Git-Tag: v20.0.0~1896^2~8
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=4b155f3ee5ab4fbd212e117d2cd40dd78d846d3a;p=ceph.git

crimson/os/seastore/lba_manager: extents pass to LBALeafNode::update()
must either has a null parent tracker or point to the current leaf node

Signed-off-by: Xuehan Xu <xuxuehan@qianxin.com>
---

diff --git a/src/crimson/os/seastore/lba_manager/btree/lba_btree_node.h b/src/crimson/os/seastore/lba_manager/btree/lba_btree_node.h
index 3b760ff06a24e..73aa77ab0a557 100644
--- a/src/crimson/os/seastore/lba_manager/btree/lba_btree_node.h
+++ b/src/crimson/os/seastore/lba_manager/btree/lba_btree_node.h
@@ -194,7 +194,11 @@ struct LBALeafNode
 	iter.get_offset(),
 	*nextent);
       // child-ptr may already be correct, see LBAManager::update_mappings()
-      this->update_child_ptr(iter, nextent);
+      if (!nextent->has_parent_tracker()) {
+	this->update_child_ptr(iter, nextent);
+      }
+      assert(nextent->has_parent_tracker()
+	&& nextent->get_parent_node<LBALeafNode>().get() == this);
     }
     if (val.pladdr.is_paddr()) {
       val.pladdr = maybe_generate_relative(val.pladdr.get_paddr());