diff --git a/drivers/md/bcache/bcache.h b/drivers/md/bcache/bcache.h
index 031a75a25d3e..66e6d5639b38 100644
--- a/drivers/md/bcache/bcache.h
+++ b/drivers/md/bcache/bcache.h
@@ -881,11 +881,11 @@ static inline uint8_t bucket_gc_gen(struct bucket *b)
 #define BUCKET_GC_GEN_MAX	96U
 
 #define kobj_attribute_write(n, fn)					\
-	static struct kobj_attribute ksysfs_##n = __ATTR(n, S_IWUSR, NULL, fn)
+	static struct kobj_attribute ksysfs_##n = __ATTR(n, 0200, NULL, fn)
 
 #define kobj_attribute_rw(n, show, store)				\
 	static struct kobj_attribute ksysfs_##n =			\
-		__ATTR(n, S_IWUSR|S_IRUSR, show, store)
+		__ATTR(n, 0600, show, store)
 
 static inline void wake_up_allocators(struct cache_set *c)
 {
diff --git a/drivers/md/bcache/sysfs.h b/drivers/md/bcache/sysfs.h
index b54fe9602529..3fe82425859c 100644
--- a/drivers/md/bcache/sysfs.h
+++ b/drivers/md/bcache/sysfs.h
@@ -44,9 +44,9 @@ STORE(fn)								\
 	static struct attribute sysfs_##_name =				\
 		{ .name = #_name, .mode = _mode }
 
-#define write_attribute(n)	__sysfs_attribute(n, S_IWUSR)
-#define read_attribute(n)	__sysfs_attribute(n, S_IRUGO)
-#define rw_attribute(n)		__sysfs_attribute(n, S_IRUGO|S_IWUSR)
+#define write_attribute(n)	__sysfs_attribute(n, 0200)
+#define read_attribute(n)	__sysfs_attribute(n, 0444)
+#define rw_attribute(n)		__sysfs_attribute(n, 0644)
 
 #define sysfs_printf(file, fmt, ...)					\
 do {									\