From: Chanyoung Park <chaney.p@kakaoenterprise.com>
Date: Tue, 29 Jul 2025 08:30:48 +0000 (+0000)
Subject: crimson/.../lba_btree_node: add assertion for pivot_idx validity
X-Git-Tag: v21.0.0~256^2~28^2~1
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=271cf4f24c1dfbc301fba60e9f466b6cbfd212bd;p=ceph.git

crimson/.../lba_btree_node: add assertion for pivot_idx validity

Signed-off-by: Chanyoung Park <chaney.p@kakaoenterprise.com>
---

diff --git a/src/crimson/os/seastore/lba/lba_btree_node.h b/src/crimson/os/seastore/lba/lba_btree_node.h
index 05f26b6b2927..8a113c7ec4c3 100644
--- a/src/crimson/os/seastore/lba/lba_btree_node.h
+++ b/src/crimson/os/seastore/lba/lba_btree_node.h
@@ -259,6 +259,8 @@ struct LBALeafNode
     uint32_t pivot_idx,
     LBALeafNode &replacement_left,
     LBALeafNode &replacement_right) final {
+    // We should do full merge if pivot_idx == right.get_size().
+    ceph_assert(pivot_idx != right.get_size());
     this->balance_child_ptrs(
       t, left, right, pivot_idx, replacement_left, replacement_right);
   }