From b1f359f9805c2a1ec0f57e08b74baf383eb4b6a9 Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@lst.de>
Date: Fri, 5 May 2017 09:53:09 +0200
Subject: [PATCH] xfs: use uuid_be to implement the uuid_t type

Use the generic Linux definition to implement our UUID type, this will
allow using more generic infrastructure in the future.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Amir Goldstein <amir73il@gmail.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
---
 fs/xfs/uuid.h      | 4 ----
 fs/xfs/xfs_linux.h | 3 +++
 2 files changed, 3 insertions(+), 4 deletions(-)

diff --git a/fs/xfs/uuid.h b/fs/xfs/uuid.h
index 104db0f3bed6..4f1441ba4fa5 100644
--- a/fs/xfs/uuid.h
+++ b/fs/xfs/uuid.h
@@ -18,10 +18,6 @@
 #ifndef __XFS_SUPPORT_UUID_H__
 #define __XFS_SUPPORT_UUID_H__
 
-typedef struct {
-	unsigned char	__u_bits[16];
-} uuid_t;
-
 extern int uuid_is_nil(uuid_t *uuid);
 extern int uuid_equal(uuid_t *uuid1, uuid_t *uuid2);
 extern void uuid_getnodeuniq(uuid_t *uuid, int fsid [2]);
diff --git a/fs/xfs/xfs_linux.h b/fs/xfs/xfs_linux.h
index 044fb0e15390..89ee5ec66837 100644
--- a/fs/xfs/xfs_linux.h
+++ b/fs/xfs/xfs_linux.h
@@ -19,6 +19,7 @@
 #define __XFS_LINUX__
 
 #include <linux/types.h>
+#include <linux/uuid.h>
 
 /*
  * Kernel specific type declarations for XFS
@@ -38,6 +39,8 @@ typedef __s64			xfs_daddr_t;	/* <disk address> type */
 typedef __u32			xfs_dev_t;
 typedef __u32			xfs_nlink_t;
 
+typedef uuid_be			uuid_t;
+
 #include "xfs_types.h"
 
 #include "kmem.h"
-- 
2.20.1