[PATCH v3 18/68] selftests/filesystems: Drop define _GNU_SOURCE

[Edward Liaw]

_GNU_SOURCE is provided by lib.mk, so it should be dropped to prevent
redefinition warnings.

Fixes: 809216233555 ("selftests/harness: remove use of LINE_MAX")
Reviewed-by: John Hubbard <jhubbard at nvidia.com>
Reviewed-by: Muhammad Usama Anjum <usama.anjum at collabora.com>
Signed-off-by: Edward Liaw <edliaw at google.com>
---
 tools/testing/selftests/filesystems/binderfs/binderfs_test.c   | 2 --
 tools/testing/selftests/filesystems/devpts_pts.c               | 1 -
 tools/testing/selftests/filesystems/dnotify_test.c             | 1 -
 tools/testing/selftests/filesystems/epoll/epoll_wakeup_test.c  | 2 --
 tools/testing/selftests/filesystems/eventfd/eventfd_test.c     | 2 --
 tools/testing/selftests/filesystems/fat/rename_exchange.c      | 2 --
 tools/testing/selftests/filesystems/overlayfs/dev_in_maps.c    | 2 --
 tools/testing/selftests/filesystems/statmount/statmount_test.c | 3 ---
 8 files changed, 15 deletions(-)

diff --git a/tools/testing/selftests/filesystems/binderfs/binderfs_test.c b/tools/testing/selftests/filesystems/binderfs/binderfs_test.c
index 5f362c0fd890..fca693db1b09 100644
--- a/tools/testing/selftests/filesystems/binderfs/binderfs_test.c
+++ b/tools/testing/selftests/filesystems/binderfs/binderfs_test.c
@@ -1,6 +1,4 @@
 // SPDX-License-Identifier: GPL-2.0
-
-#define _GNU_SOURCE
 #include <errno.h>
 #include <fcntl.h>
 #include <pthread.h>
diff --git a/tools/testing/selftests/filesystems/devpts_pts.c b/tools/testing/selftests/filesystems/devpts_pts.c
index b1fc9b916ace..73766447eeb0 100644
--- a/tools/testing/selftests/filesystems/devpts_pts.c
+++ b/tools/testing/selftests/filesystems/devpts_pts.c
@@ -1,5 +1,4 @@
 // SPDX-License-Identifier: GPL-2.0
-#define _GNU_SOURCE
 #include <errno.h>
 #include <fcntl.h>
 #include <sched.h>
diff --git a/tools/testing/selftests/filesystems/dnotify_test.c b/tools/testing/selftests/filesystems/dnotify_test.c
index c0a9b2d3302d..05367a70b963 100644
--- a/tools/testing/selftests/filesystems/dnotify_test.c
+++ b/tools/testing/selftests/filesystems/dnotify_test.c
@@ -1,5 +1,4 @@
 // SPDX-License-Identifier: GPL-2.0
-#define _GNU_SOURCE	/* needed to get the defines */
 #include <fcntl.h>	/* in glibc 2.2 this has the needed
 				   values defined */
 #include <signal.h>
diff --git a/tools/testing/selftests/filesystems/epoll/epoll_wakeup_test.c b/tools/testing/selftests/filesystems/epoll/epoll_wakeup_test.c
index 65ede506305c..9bc2ddad7e92 100644
--- a/tools/testing/selftests/filesystems/epoll/epoll_wakeup_test.c
+++ b/tools/testing/selftests/filesystems/epoll/epoll_wakeup_test.c
@@ -1,6 +1,4 @@
 // SPDX-License-Identifier: GPL-2.0
-
-#define _GNU_SOURCE
 #include <asm/unistd.h>
 #include <linux/time_types.h>
 #include <poll.h>
diff --git a/tools/testing/selftests/filesystems/eventfd/eventfd_test.c b/tools/testing/selftests/filesystems/eventfd/eventfd_test.c
index f142a137526c..17935f42fbc9 100644
--- a/tools/testing/selftests/filesystems/eventfd/eventfd_test.c
+++ b/tools/testing/selftests/filesystems/eventfd/eventfd_test.c
@@ -1,6 +1,4 @@
 // SPDX-License-Identifier: GPL-2.0
-
-#define _GNU_SOURCE
 #include <errno.h>
 #include <fcntl.h>
 #include <asm/unistd.h>
diff --git a/tools/testing/selftests/filesystems/fat/rename_exchange.c b/tools/testing/selftests/filesystems/fat/rename_exchange.c
index e488ad354fce..56cf3ad8640d 100644
--- a/tools/testing/selftests/filesystems/fat/rename_exchange.c
+++ b/tools/testing/selftests/filesystems/fat/rename_exchange.c
@@ -6,8 +6,6 @@
  * Copyright 2022 Red Hat Inc.
  * Author: Javier Martinez Canillas <javierm at redhat.com>
  */
-
-#define _GNU_SOURCE
 #include <fcntl.h>
 #include <stdio.h>
 #include <stdlib.h>
diff --git a/tools/testing/selftests/filesystems/overlayfs/dev_in_maps.c b/tools/testing/selftests/filesystems/overlayfs/dev_in_maps.c
index 759f86e7d263..b58a80bde95a 100644
--- a/tools/testing/selftests/filesystems/overlayfs/dev_in_maps.c
+++ b/tools/testing/selftests/filesystems/overlayfs/dev_in_maps.c
@@ -1,6 +1,4 @@
 // SPDX-License-Identifier: GPL-2.0
-#define _GNU_SOURCE
-
 #include <inttypes.h>
 #include <unistd.h>
 #include <stdio.h>
diff --git a/tools/testing/selftests/filesystems/statmount/statmount_test.c b/tools/testing/selftests/filesystems/statmount/statmount_test.c
index 3eafd7da58e2..d1cefd1b7d16 100644
--- a/tools/testing/selftests/filesystems/statmount/statmount_test.c
+++ b/tools/testing/selftests/filesystems/statmount/statmount_test.c
@@ -1,7 +1,4 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
-
-#define _GNU_SOURCE
-
 #include <assert.h>
 #include <stdint.h>
 #include <sched.h>
-- 
2.45.0.118.g7fe29c98d7-goog