[PATCH 1/2] libnvdimm: add missing macros

[Eric Engestrom]

Signed-off-by: Eric Engestrom <eric.engestrom@xxxxxxxxxx>
---

This can't compile without these macrosâ Is this header really used by anyone?
Should it be removed, to avoid bit-rot?

---
 include/uapi/linux/ndctl.h | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/include/uapi/linux/ndctl.h b/include/uapi/linux/ndctl.h
index 309915f..50ae5e7 100644
--- a/include/uapi/linux/ndctl.h
+++ b/include/uapi/linux/ndctl.h
@@ -15,6 +15,14 @@
 
 #include <linux/types.h>
 
+#ifdef __GNUC__
+#define __packed __attribute__((packed))
+#else
+#define __packed
+#endif
+
+#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof(arr)[0])
+
 struct nd_cmd_smart {
 	__u32 status;
 	__u8 data[128];
-- 
2.9.0