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# T2 SDE: package/*/thin-provisioning-tools/hotfix-no-atomic64.diff
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--- thin-provisioning-tools-1.0.4/src/cache/writeback.rs.vanilla	2023-04-26 15:33:18.155369662 +0200
+++ thin-provisioning-tools-1.0.4/src/cache/writeback.rs	2023-04-26 15:33:33.940369670 +0200
@@ -3,7 +3,7 @@
 use std::fs::File;
 use std::io::Cursor;
 use std::path::Path;
-use std::sync::atomic::{AtomicU64, Ordering};
+use std::sync::atomic::{AtomicU32, Ordering};
 use std::sync::mpsc::{self, SyncSender};
 use std::sync::{Arc, Mutex};
 use std::thread;
@@ -169,14 +169,14 @@
 //---------------
 
 struct MappingCounter<F: Fn(&Mapping) -> bool> {
-    count: AtomicU64,
+    count: AtomicU32,
     predicate: F,
 }
 
 impl<F: Fn(&Mapping) -> bool> MappingCounter<F> {
     fn new(predicate: F) -> Self {
         Self {
-            count: AtomicU64::default(),
+            count: AtomicU32::default(),
             predicate,
         }
     }