DiskIdx: new items are not dirty by default (#23123)

runtime/src/accounts_index.rs

@@ -203,6 +203,12 @@ impl AccountMapEntryMeta {
             age: AtomicU8::new(storage.future_age_to_flush()),
         }
     }
+    pub fn new_clean<T: IndexValue>(storage: &Arc<BucketMapHolder<T>>) -> Self {
+        AccountMapEntryMeta {
+            dirty: AtomicBool::new(false),
+            age: AtomicU8::new(storage.future_age_to_flush()),
+        }
+    }
 }
 
 #[derive(Debug, Default)]

runtime/src/in_mem_accounts_index.rs

@@ -506,7 +506,7 @@ impl<T: IndexValue> InMemAccountsIndex<T> {
         Arc::new(AccountMapEntryInner::new(
             slot_list,
             ref_count,
-            AccountMapEntryMeta::new_dirty(&self.storage),
+            AccountMapEntryMeta::new_clean(&self.storage),
         ))
     }