devmapper: modify metafile write method

Signed-off-by: Ngaohuatao <gaohuatao@huawei.com>

src/daemon/modules/image/oci/storage/layer_store/graphdriver/devmapper/deviceset.c

@@ -1140,7 +1140,7 @@ static int save_metadata(struct device_set *devset, image_devmapper_device_info
         goto out;
     }
 
-    if (util_write_file(fname, metadata_json, strlen(metadata_json), DEFAULT_SECURE_FILE_MODE) != 0) {
+    if (util_atomic_write_file(fname, metadata_json, strlen(metadata_json), DEFAULT_SECURE_FILE_MODE) != 0) {
         ret = -1;
         ERROR("failed write process.json");
         goto out;
@@ -1177,7 +1177,7 @@ static int save_transaction_metadata(struct device_set *devset)
         goto out;
     }
 
-    if (util_write_file(fname, trans_json, strlen(trans_json), DEFAULT_SECURE_FILE_MODE) != 0) {
+    if (util_atomic_write_file(fname, trans_json, strlen(trans_json), DEFAULT_SECURE_FILE_MODE) != 0) {
         ret = -1;
         ERROR("failed write process.json");
         goto out;
@@ -1222,7 +1222,7 @@ static int save_deviceset_matadata(struct device_set *devset)
         goto free_out;
     }
 
-    if (util_write_file(fname, metadata_json, strlen(metadata_json), DEFAULT_SECURE_FILE_MODE) != 0) {
+    if (util_atomic_write_file(fname, metadata_json, strlen(metadata_json), DEFAULT_SECURE_FILE_MODE) != 0) {
         ret = -1;
         ERROR("failed write process.json");
         goto free_out;