linux-kernel - [PATCH AUTOSEL 6.9 27/44] selftests/overlayfs: Fix build error on ppc64

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Date: Mon, 17 Jun 2024 09:19:40 -0400
From: Sasha Levin <sashal@...nel.org>
To: linux-kernel@...r.kernel.org,
	stable@...r.kernel.org
Cc: Michael Ellerman <mpe@...erman.id.au>,
	Shuah Khan <skhan@...uxfoundation.org>,
	Sasha Levin <sashal@...nel.org>,
	shuah@...nel.org,
	avagin@...gle.com,
	brauner@...nel.org,
	hu.yadi@....com,
	linux-kselftest@...r.kernel.org
Subject: [PATCH AUTOSEL 6.9 27/44] selftests/overlayfs: Fix build error on ppc64

From: Michael Ellerman <mpe@...erman.id.au>

[ Upstream commit e8b8c5264d4ebd248f60a5cef077fe615806e7a0 ]

Fix build error on ppc64:
  dev_in_maps.c: In function ‘get_file_dev_and_inode’:
  dev_in_maps.c:60:59: error: format ‘%llu’ expects argument of type
  ‘long long unsigned int *’, but argument 7 has type ‘__u64 *’ {aka ‘long
  unsigned int *’} [-Werror=format=]

By switching to unsigned long long for u64 for ppc64 builds.

Signed-off-by: Michael Ellerman <mpe@...erman.id.au>
Signed-off-by: Shuah Khan <skhan@...uxfoundation.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 tools/testing/selftests/filesystems/overlayfs/dev_in_maps.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tools/testing/selftests/filesystems/overlayfs/dev_in_maps.c b/tools/testing/selftests/filesystems/overlayfs/dev_in_maps.c
index 759f86e7d263e..2862aae58b79a 100644
--- a/tools/testing/selftests/filesystems/overlayfs/dev_in_maps.c
+++ b/tools/testing/selftests/filesystems/overlayfs/dev_in_maps.c
@@ -1,5 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0
 #define _GNU_SOURCE
+#define __SANE_USERSPACE_TYPES__ // Use ll64
 
 #include <inttypes.h>
 #include <unistd.h>
-- 
2.43.0