[LTP] [PATCH 1/1] tst_device: use raw syscall in the tst_device.h

[Petr Vorel <pvorel@suse.cz>]

From: Li Wang <liwang@redhat.com>

To follow up commit 447c223db ("tst_device: include unistd.h").

Reported-by: Petr Vorel <pvorel@suse.cz>
Suggested-by: Cyril Hrubis <chrubis@suse.cz>
Signed-off-by: Li Wang <liwang@redhat.com>
Reviewed-by: Cyril Hrubis <chrubis@suse.cz>
[pvorel: Removed _XOPEN_SOURCE from affected tests to really fix
the issue and aren't needed]
Reviewed-by: Petr Vorel <pvorel@suse.cz>
Tested-by: Petr Vorel <pvorel@suse.cz>

Fixes: eca0fa3c3 ("tst_device: add new tst_dev_sync")
Signed-off-by: Petr Vorel <pvorel@suse.cz>
---
Hi,

tested on
https://travis-ci.org/pevik/ltp/builds/635305638

Please anybody ack and merge, so we can move on with merging other
things before git freeze.

NOTE: Debian failures are caused by bug in libtirpc 1.2.5,
will be fixed by https://patchwork.ozlabs.org/patch/1216506/

Kind regards,
Petr

 include/tst_device.h                                | 5 +++--
 testcases/kernel/syscalls/fadvise/posix_fadvise01.c | 1 -
 testcases/kernel/syscalls/fadvise/posix_fadvise02.c | 1 -
 testcases/kernel/syscalls/fadvise/posix_fadvise03.c | 1 -
 testcases/kernel/syscalls/fadvise/posix_fadvise04.c | 1 -
 testcases/kernel/syscalls/pwrite/pwrite02.c         | 2 --
 6 files changed, 3 insertions(+), 8 deletions(-)

diff --git a/include/tst_device.h b/include/tst_device.h
index f277afd77..3db5275c9 100644
--- a/include/tst_device.h
+++ b/include/tst_device.h
@@ -19,6 +19,7 @@
 #define TST_DEVICE_H__
 
 #include <unistd.h>
+#include <sys/syscall.h>
 
 struct tst_device {
 	const char *dev;
@@ -75,9 +76,9 @@ int tst_detach_device(const char *dev_path);
  * simply before the tst_dev_bytes_written invocation. For easy to use,
  * we create this inline function tst_dev_sync.
  */
-static inline void tst_dev_sync(int fd)
+static inline int tst_dev_sync(int fd)
 {
-	syncfs(fd);
+	return syscall(__NR_syncfs, fd);
 }
 
 /*
diff --git a/testcases/kernel/syscalls/fadvise/posix_fadvise01.c b/testcases/kernel/syscalls/fadvise/posix_fadvise01.c
index 2af040840..71e6454d8 100644
--- a/testcases/kernel/syscalls/fadvise/posix_fadvise01.c
+++ b/testcases/kernel/syscalls/fadvise/posix_fadvise01.c
@@ -20,7 +20,6 @@
  *	None
  */
 
-#define _XOPEN_SOURCE 600
 #include <fcntl.h>
 
 #include <unistd.h>
diff --git a/testcases/kernel/syscalls/fadvise/posix_fadvise02.c b/testcases/kernel/syscalls/fadvise/posix_fadvise02.c
index d533a7953..303f776e4 100644
--- a/testcases/kernel/syscalls/fadvise/posix_fadvise02.c
+++ b/testcases/kernel/syscalls/fadvise/posix_fadvise02.c
@@ -20,7 +20,6 @@
  *	None
  */
 
-#define _XOPEN_SOURCE 600
 #include <fcntl.h>
 #include <unistd.h>
 #include <signal.h>
diff --git a/testcases/kernel/syscalls/fadvise/posix_fadvise03.c b/testcases/kernel/syscalls/fadvise/posix_fadvise03.c
index 5bada5f3d..98d8d2930 100644
--- a/testcases/kernel/syscalls/fadvise/posix_fadvise03.c
+++ b/testcases/kernel/syscalls/fadvise/posix_fadvise03.c
@@ -20,7 +20,6 @@
  *	None
  */
 
-#define _XOPEN_SOURCE 600
 #include <fcntl.h>
 #include <unistd.h>
 #include <signal.h>
diff --git a/testcases/kernel/syscalls/fadvise/posix_fadvise04.c b/testcases/kernel/syscalls/fadvise/posix_fadvise04.c
index d8d8fb601..f389a219b 100644
--- a/testcases/kernel/syscalls/fadvise/posix_fadvise04.c
+++ b/testcases/kernel/syscalls/fadvise/posix_fadvise04.c
@@ -20,7 +20,6 @@
  *	None
  */
 
-#define _XOPEN_SOURCE 600
 #include <fcntl.h>
 #include <unistd.h>
 #include <signal.h>
diff --git a/testcases/kernel/syscalls/pwrite/pwrite02.c b/testcases/kernel/syscalls/pwrite/pwrite02.c
index 056d44da2..221904cd7 100644
--- a/testcases/kernel/syscalls/pwrite/pwrite02.c
+++ b/testcases/kernel/syscalls/pwrite/pwrite02.c
@@ -18,8 +18,6 @@
  *      accessible address space, returns EFAULT.
  */
 
-#define _XOPEN_SOURCE 500
-
 #include <errno.h>
 #include <unistd.h>
 #include <string.h>
-- 
2.24.0