crimson/os/seastore/lba_manager: consider mutation pending extents when

asserting the validity of their parents

Signed-off-by: Xuehan Xu <[email protected]>

Author: xxhdx1985126

src/crimson/os/seastore/lba/btree_lba_manager.cc

@@ -288,7 +288,15 @@ BtreeLBAManager::get_mapping(
 {
   LOG_PREFIX(BtreeLBAManager::get_mapping);
   TRACET("{}", t, extent);
-  assert(extent.peek_parent_node()->is_valid());
+#ifndef NDEBUG
+  if (extent.is_mutation_pending()) {
+    auto &prior = static_cast<LogicalChildNode&>(
+      *extent.get_prior_instance());
+    assert(prior.peek_parent_node()->is_valid());
+  } else {
+    assert(extent.peek_parent_node()->is_valid());
+  }
+#endif
   auto c = get_context(t);
   return with_btree<LBABtree>(
     cache,