diff --git a/core/storage/pager.rs b/core/storage/pager.rs
index fb39932a9..f38a6008e 100644
--- a/core/storage/pager.rs
+++ b/core/storage/pager.rs
@@ -1464,7 +1464,7 @@ impl Pager {
                     (default_header.get_page_size() - default_header.reserved_space as u32) as u16,
                 );
                 let write_counter = Rc::new(RefCell::new(0));
-                begin_write_btree_page(self, &page1.get(), write_counter.clone())?;
+                let c= begin_write_btree_page(self, &page1.get(), write_counter.clone())?;
 
                 self.allocate_page1_state
                     .replace(AllocatePage1State::Writing {
diff --git a/core/storage/sqlite3_ondisk.rs b/core/storage/sqlite3_ondisk.rs
index fbea32e24..efe417eb0 100644
--- a/core/storage/sqlite3_ondisk.rs
+++ b/core/storage/sqlite3_ondisk.rs
@@ -814,7 +814,7 @@ pub fn begin_write_btree_page(
     pager: &Pager,
     page: &PageRef,
     write_counter: Rc<RefCell<usize>>,
-) -> Result<()> {
+) -> Result<Arc<Completion>> {
     tracing::trace!("begin_write_btree_page(page={})", page.get().id);
     let page_source = &pager.db_file;
     let page_finish = page.clone();
diff --git a/core/storage/wal.rs b/core/storage/wal.rs
index c02af788d..747bd631c 100644
--- a/core/storage/wal.rs
+++ b/core/storage/wal.rs
@@ -914,7 +914,7 @@ impl Wal for WalFile {
                 }
                 CheckpointState::WritePage => {
                     self.ongoing_checkpoint.page.set_dirty();
-                    begin_write_btree_page(
+                    let c = begin_write_btree_page(
                         pager,
                         &self.ongoing_checkpoint.page,
                         write_counter.clone(),