From: Samuel Just <sjust@redhat.com>
Date: Tue, 9 Mar 2021 04:42:54 +0000 (+0000)
Subject: crimson/os/seastore/.../lba_btree_node_impl: fix lookup
X-Git-Tag: v17.1.0~2658^2
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=3da2384b6faddf6e3da8a1e2dccad18dddc0f0d4;p=ceph.git

crimson/os/seastore/.../lba_btree_node_impl: fix lookup

lower_bound() here is wrong, use bound instead.

Signed-off-by: Samuel Just <sjust@redhat.com>
---

diff --git a/src/crimson/os/seastore/lba_manager/btree/lba_btree_node_impl.cc b/src/crimson/os/seastore/lba_manager/btree/lba_btree_node_impl.cc
index b29554dac884..8cc6189ed345 100644
--- a/src/crimson/os/seastore/lba_manager/btree/lba_btree_node_impl.cc
+++ b/src/crimson/os/seastore/lba_manager/btree/lba_btree_node_impl.cc
@@ -39,7 +39,10 @@ LBAInternalNode::lookup_ret LBAInternalNode::lookup(
   }
   assert(meta.begin <= addr);
   assert(meta.end > addr);
-  auto iter = lower_bound(addr);
+
+  [[maybe_unused]] auto [iter, biter] = bound(addr, addr + 1);
+  assert(iter != biter);
+  assert(iter + 1 == biter);
   return get_lba_btree_extent(
     c,
     this,