linux-kernel - [PATCH] selftests/mount_setattr: fix redefine struct mount

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Date:   Mon, 13 Feb 2023 11:31:49 -0700
From:   Shuah Khan <skhan@...uxfoundation.org>
To:     shuah@...nel.org, brauner@...nel.org, sforshee@...nel.org
Cc:     Shuah Khan <skhan@...uxfoundation.org>,
        linux-fsdevel@...r.kernel.org, linux-kselftest@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH] selftests/mount_setattr: fix redefine struct mount_attr build error

Fix the following build error due to redefining struct mount_attr by
removing duplicate define from mount_setattr_test.c

gcc -g -isystem .../tools/testing/selftests/../../../usr/include -Wall -O2 -pthread     mount_setattr_test.c  -o .../tools/testing/selftests/mount_setattr/mount_setattr_test
mount_setattr_test.c:107:8: error: redefinition of ‘struct mount_attr’
  107 | struct mount_attr {
      |        ^~~~~~~~~~
In file included from /usr/include/x86_64-linux-gnu/sys/mount.h:32,
                 from mount_setattr_test.c:10:
.../usr/include/linux/mount.h:129:8: note: originally defined here
  129 | struct mount_attr {
      |        ^~~~~~~~~~
make: *** [../lib.mk:145: .../tools/testing/selftests/mount_setattr/mount_setattr_test] Error 1

Signed-off-by: Shuah Khan <skhan@...uxfoundation.org>
---
 tools/testing/selftests/mount_setattr/mount_setattr_test.c | 7 -------
 1 file changed, 7 deletions(-)

diff --git a/tools/testing/selftests/mount_setattr/mount_setattr_test.c b/tools/testing/selftests/mount_setattr/mount_setattr_test.c
index 8c5fea68ae67..582669ca38e9 100644
--- a/tools/testing/selftests/mount_setattr/mount_setattr_test.c
+++ b/tools/testing/selftests/mount_setattr/mount_setattr_test.c
@@ -103,13 +103,6 @@
 	#else
 		#define __NR_mount_setattr 442
 	#endif
-
-struct mount_attr {
-	__u64 attr_set;
-	__u64 attr_clr;
-	__u64 propagation;
-	__u64 userns_fd;
-};
 #endif
 
 #ifndef __NR_open_tree
-- 
2.37.2