crimson/os/seastore/scanner: fix budget_used ref in scan_valid_records

Fixes: https://tracker.ceph.com/issues/52582
Signed-off-by: Samuel Just <sjust@redhat.com>

diff --git a/src/crimson/os/seastore/scanner.cc b/src/crimson/os/seastore/scanner.cc
index df3394cc60f4c7d73a9b47301f6d360a8d88b331..9970ee3456c9731c250cb771a05c6fa97875493e 100644 (file)
--- a/src/crimson/os/seastore/scanner.cc
+++ b/src/crimson/os/seastore/scanner.cc
@@ -116,7 +116,7 @@ Scanner::scan_valid_records_ret Scanner::scan_valid_records(
     cursor.offset.offset = segment_manager.get_block_size();
   }
   auto retref = std::make_unique<size_t>(0);
-  auto budget_used = *retref;
+  auto &budget_used = *retref;
   return crimson::repeat(
     [=, &cursor, &budget_used, &handler]() mutable
     -> scan_valid_records_ertr::future<seastar::stop_iteration> {