[LTP] [PATCH v2 1/2] Add open_tree_attr fallback

[Andrea Cervesato <andrea.cervesato@suse.de>]

From: Andrea Cervesato <andrea.cervesato@suse.com>

open_tree_attr syscall has been introduced in kernel 6.15 and it's
now defined in lapi/fsmount.h.

Signed-off-by: Andrea Cervesato <andrea.cervesato@suse.com>
---
 configure.ac           | 1 +
 include/lapi/fsmount.h | 8 ++++++++
 2 files changed, 9 insertions(+)

diff --git a/configure.ac b/configure.ac
index 62ae27d494474fe342b1cceeac7f4c21c0b1028c..2d4d527bcaa675dae5d712a96d266d17184b8a0d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -137,6 +137,7 @@ AC_CHECK_FUNCS_ONCE([ \
     move_mount \
     name_to_handle_at \
     open_tree \
+    open_tree_attr \
     openat \
     openat2 \
     pidfd_getfd \
diff --git a/include/lapi/fsmount.h b/include/lapi/fsmount.h
index 1783272a00a1a049031cacbb417239123450a0e4..451987ae637d040e08970b7ffcf015bae07a6f11 100644
--- a/include/lapi/fsmount.h
+++ b/include/lapi/fsmount.h
@@ -105,6 +105,14 @@ static inline int open_tree(int dirfd, const char *pathname, unsigned int flags)
 }
 #endif /* HAVE_OPEN_TREE */
 
+#ifndef HAVE_OPEN_TREE_ATTR
+static inline int open_tree_attr(int dirfd, const char *pathname, unsigned int flags,
+				 struct mount_attr *attr, size_t size)
+{
+	return tst_syscall(__NR_open_tree_attr, dirfd, pathname, flags, attr, size);
+}
+#endif /* HAVE_OPEN_TREE_ATTR */
+
 #ifndef HAVE_MOUNT_SETATTR
 static inline int mount_setattr(int dirfd, const char *from_pathname, unsigned int flags,
 				struct mount_attr *attr, size_t size)

-- 
2.51.0


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