diff --git a/fs/cachefiles/interface.c b/fs/cachefiles/interface.c
index 861d611b8c05870063984b9736c4bdb177dc3f3f..ce5f345d70f507a315d76c3d2b4be4aba295124d 100644
--- a/fs/cachefiles/interface.c
+++ b/fs/cachefiles/interface.c
@@ -380,7 +380,7 @@ static void cachefiles_sync_cache(struct fscache_cache *_cache)
  * check if the backing cache is updated to FS-Cache
  * - called by FS-Cache when evaluates if need to invalidate the cache
  */
-static bool cachefiles_check_consistency(struct fscache_operation *op)
+static int cachefiles_check_consistency(struct fscache_operation *op)
 {
 	struct cachefiles_object *object;
 	struct cachefiles_cache *cache;
diff --git a/include/linux/fscache-cache.h b/include/linux/fscache-cache.h
index 604e1526cd00a23e27d6a426c8baa6a71bc309c2..13ba552e6c094e82ee8b952b26d9f0bf5eeebc39 100644
--- a/include/linux/fscache-cache.h
+++ b/include/linux/fscache-cache.h
@@ -241,7 +241,7 @@ struct fscache_cache_ops {
 
 	/* check the consistency between the backing cache and the FS-Cache
 	 * cookie */
-	bool (*check_consistency)(struct fscache_operation *op);
+	int (*check_consistency)(struct fscache_operation *op);
 
 	/* store the updated auxiliary data on an object */
 	void (*update_object)(struct fscache_object *object);